Abstract: An electrical junction assembly for implementation in a wall that is reconfigurable to accept various types of electrical connectors. Flanges and clips in the electrical junction assembly help self-mount it in a wall. The electrical junction assembly is created from modular receptacles, with each customizable for the type of electrical connection it will accommodate. Keystones are selectively implemented or removed from preconfigured sockets in the receptacles. The receptacles are modular as they may be customized, and then reconfigured as desired, for the number of receptacles and electrical connections they may accommodate.

Abstract: An electronic device connection system includes a main electronic device and a peripheral electronic device. The main electronic device includes a first housing, a first fixing member, and a first interface. The peripheral electronic device includes a second housing, a second fixing member, and a second interface. The first fixing member is coupled to the first housing. The first fixing member defines a first through hole passing through opposite ends of the first fixing member. The first interface is received through the first through hole. The second fixing member is coupled to the second housing. The second fixing member and the first fixing member are configured to plug into each other. The second fixing member defines a second through hole passing through opposite ends of the second fixing member. The second interface is received through the second through hole to plug with and electrically couple to the first interface.

Abstract: A connection device for high currents for detachably connecting an electrified apparatus, e-apparatus, with a terminal current conductor, to a respective terminal device and to a respective line terminal device. A terminal part is fastenable to a housing part of the e-apparatus and a connection current conductor extends through the terminal part into the interior of the housing and at an end there is connectable with the current terminal and at a different end has a first contact area; through the line terminal part there is led the terminal current conductor and the line terminal part is form-fittingly inserted at least partly in a receiving mechanism at the terminal part such that the first contact area contacts a second contact area of the terminal current conductor.

Abstract: A waterproof connector (10) includes an annular rubber ring (30) and a housing (20) on which the rubber ring (30) is to be mounted. A trapezoidal rotation stopping rib (34 having two engaging surfaces is provided on a side edge of the rubber ring (30), whereas an accommodation groove (26) into which the rotation stopping rib is to be accommodated is provided in the housing (20). The accommodation groove (26) has a bottom surface (21A). Two facing engaged surfaces (42) are on both sides of the bottom surface (21A) and are configured to press the rotation stopping rib to the bottom surface (21A) by being engaged with the engaging surfaces of the rotation stopping rib.

Abstract: A waterproof and interference proof receptacle connector has an upper insulative housing, a lower insulative housing, a first terminal set, a second terminal set, a shell, a watertight casing and an interference proof rear guard. The first and second terminal sets are mounted respectively on the upper and lower insulative housings. The shell is mounted on the upper and lower insulative housings. The watertight casing is mounted around the shell. The interference proof guard is mounted on the watertight casing. The watertight casing provides a waterproof function to allow the waterproof and interference proof receptacle connector to operate in humid or underwater environment.

Abstract: A device connector includes a housing (20) with terminal supporting portions (30) projecting through a mounting hole (2) in a case (1) of a device. A flange (25) protrudes on the outer periphery of the housing (20) and faces a surface (2A) of the case (1) outward of the mounting hole (2). A surface packing (15) is mounted on the front surface of the flange (25) and is compressed between the front surface of the flange (25) and the case (1). A reinforcing portion (28) includes circumferentially spaced ribs (27) on the rear surface of the flange (25) and aligned in a front-back direction. A metal bracket (60) is fit externally fit on the housing (20). The bracket (60) presses the rear surface of the reinforcing portion (28) over the entire circumference and is bolt-fastened to an outer surface of the case (1).

Abstract: A power transmission structure of a power supply unit includes a base plate. The base plate is provided with a plurality of spaced metallic plates. One end of each metallic plate is provided with a first connecting portion and the other end is provided with a second connecting portion to connect the components of the power supply unit respectively for power transmission. Thus, the present invention can take the place of conventional power cords, and the power transmission structure can be flattened to decrease the space occupied by the power transmission device, such that the required interior accommodation space of the power supply unit can be decreased effectively and the volume of the power supply unit can be reduced.

Abstract: A shell of a female connector includes two members including a shell body integrated with a female housing and a braided wire fixing member to which a braided wire of a shield cable is crimped and fixed. The braided wire fixing member to which the braided wire is crimped and fixed is mated with a cylindrical portion of the shell body integrated with the female housing.

Abstract: A connector assembly includes a housing (1) in which a wire-side terminal (2) is held, and which is fitted to a mounting hole formed in a casing 5 of a mating device to be connected, and a sealing member (3) which is attached to a groove part (16) formed in an outer peripheral part (11) of the housing thereby to keep an interior of the casing liquid tight. The sealing member (3) includes a convex part (33) formed in a curved part thereof, by protruding in a width direction from its peripheral edge part in a shape of an 10 annularly continued band. The groove part (16) includes a concave part (18) formed by denting a groove wall (16b), corresponding to the convex part (33). The convex part (33) and the concave part (18) are engaged with each other.

Abstract: A shielded connector includes device-side connector which is fixed to a shield case and a cable-side connector which is attached to an end of an external cable and is fitted to the device-side connector. The device-side connector includes a device-side connection terminal, a device-side resin housing, and a device-side shield shell. The device-side shield shell includes a mating shell fixing part which electrically connects the device-side shield shell and a cable-side shield shell.

Abstract: In an inner peripheral surface of metal collar fixed to a flange part of a power receiving side connector, a female screw is formed. When the flange part is attached to a connector attaching part from the outer surface side of a vehicle body, the flange part is fastened to the connector attaching part by a first male screw member inserted into the metal collar and a nut screwed to the first male screw member. When the flange part is attached to the connector attaching part from the inner surface side of the vehicle body, the flange part is fastened to the connector attaching part by a second male screw member screwed to the metal collar.

Abstract: A fixing structure of a connector includes a housing and a rear holder fixing the housing to a casing by screws. The rear holder has a base plate opposing the casing. First through holes are formed on the base plate so as to correspond to second openings for leading out conductive parts of the female terminals respectively. Terminal holding members are respectively provided at the first through holes for contacting the female terminals respectively. The screws are inserted respectively through second through holes which are arranged so as to deviate to one side with respect to a center of gravity of a region in which the first through holes are formed. Elasticity of one of the terminal holding members which is disposed at a first position facing at least one of the second through holes in a peripheral part of the region are smaller than elasticity of another one of the terminal holding members which is disposed at a position except for the first position.

Abstract: An electric terminal for leading a conductor through a wall (1), comprising a first terminal piece (2) to be mounted on a first side (3) of the wall (1), and a second terminal piece (4) to be mounted on the second side (5) of the wall (1) is provided. The second terminal piece (4) or the first terminal piece (2) can be fastened to the wall (1) using a fastening means (6) that can be inserted through the wall (1) into the first terminal piece (2) or the second terminal piece (4) from the first side (3) or the second side (5) of the wall (1), and/or the fastening means (6) can be interlocked with the second terminal piece (4) or the first terminal piece (2) in such a way that the second terminal piece (4) or the first terminal piece (2) can be fastened to the wall (1) from the second side (5) or the first side (3) of the wall (1). According to the invention, such an electric terminal for leading a conductor through a wall (1) can be fastened to the wall (1) in a particularly simple fashion.

Abstract: A male connector (10) is mounted to a case (C) of a device and includes a bolt (B) with a tightening portion (B1) to be engaged by a tool for screwing the bolt into a bolt hole (C2). A shield (20) includes an insertion hole (22) for receiving the bolt (B) and a bolt cap (40) covers the tightening portion (B1). A seat (21) is provided adjacent the insertion hole (22) and is sandwiched by an edge of the bolt hole (C2) and the tightening portion (B1) in the axial direction. A flange (B12) projects out from the tightening portion (B1). A mounting recess (D) is formed between the flange (B12) and the seat (21). A mounting portion (42) is mounted in the mounting recess (D) and engages the bolt cap (40) to hold the bolt cap (40) on the tightening portion (B1).

Abstract: In an embodiment, an apparatus includes a housing and a cover. The housing can include a surface to receive a terminal block to transmit power to an electrical component. A shroud to be inserted within the electrical component can extend away from the housing surface. The cover can have an end for hingedly attaching to the housing. The cover is pivotable relative to the housing between a closed position and an open position. In the closed position, the cover and the housing together form an enclosure for the terminal block.

Abstract: An apparatus includes a housing and a cover. The housing can include a surface to receive a terminal block to transmit power to an electrical component. A shroud to be inserted within the electrical component can extend away from the housing surface. The cover can have an end for hingedly attaching to the housing. Another cover end can be configured to releasably lock to the housing. The housing and the cover can have notches. The cover is pivotable relative to the housing between a closed position and an open position. In the closed position, the cover and the housing together form an enclosure for the terminal block, and the notches of the housing and the cover cooperatively define passageways configured to receive external wires to connect to the terminal block.

Abstract: In one embodiment, a retaining mechanism for a high definition multimedia interface connection that can aid in preventing inadvertent separation of a high definition multimedia interface cable with a device to which it is connected.

Abstract: A data cable includes a first connector, two bolts, a number of wires extending from the first connector, and at least one connector electrically connected to the wires. The first connector includes an insulated main body. The main body includes an elongated installing portion and a short connection portion extending from a rear side of the installing portion. Opposite ends of the installing portion each define a through hole, and opposite ends of the connection portion each define a receiving hole. The bolts are configured to be detachably received in the receiving holes, and operable to mount the first connector to an object via the through holes.

Abstract: A connector assembly includes a connector and two screws. The connector includes a main body, a cable connected to a rear side of the main body, and a connection portion protruding from a front side of the main body. Two threaded holes are defined in opposite ends of the main body, respectively. Two resilient fixing portions protrude from the rear side of the main body. A through hole is defined in each of the fixing portions. The screws are detachably received into the corresponding through holes of the fixing portions, and operable to mount the connector to an object by extending through the threaded holes to engage with the object.

Abstract: An electromagnetic shield structure of an electronics housing includes a terminal having a protrusion for external connection; a substrate having the terminal disposed thereon and electrically connected to the terminal; a housing made of resin, enclosing the substrate and having an opening at a position corresponding to the protrusion of the terminal on a front surface side where the protrusion of the terminal is located; and an electromagnetic shield disposed so as to surround the substrate inside the housing, having an opening at the position corresponding to the protrusion of the terminal, and electromagnetically shielding the substrate. The electromagnetic shield has a bent portion formed on the front surface side for filling a gap between the terminal and the housing.

Abstract: An electrical connector includes an insulative housing, a plurality of contacts mounted in the insulative housing and a pair of fastening modules assembled to the insulative housing. The insulative housing forms a main base with a mating portion and a holder portion defined on the main base. Each fastening module includes a securing base assembled to the holder portion of the main base and a fastening member assembled with the securing base.

Abstract: A current connection apparatus for a pressure tank is provided. The current connection apparatus includes a tank flange mounted on a tank and an opening that leads into the tank. Electrical connection cables are installed in this opening for connecting with an external electrical apparatus. An electrical lead having one or more conductors, which are electrically insulated relative to a metal flange, and a protective casing. The electrical lead is disposed between the tank flange and the protective casing and is tightly fastened to the tank flange. A plug body, which has plug elements corresponding to conductors of electrical lead, is inserted into the tank opening in the tank flange. The protective casing also has a plug body inserted therein, where the plug body has plug elements.

Abstract: An optical communications system and method are provided in which multiple parallel optical communications modules are mid-plane mounted on a PCB motherboard. Each module is connected to an optical fiber ribbon cable. The modules are configured to have very low profiles and/or to provide an angular coupling of the ribbon cable to the module. In both cases, the module configurations obviate the need to leave a significant amount of space between a module and the one behind it for the purpose of providing room for the ribbon cable to exit the module without the cable being bent beyond its minimum bend radius. This feature allows the module mounting density on the motherboard PCB to be very high and allows the modules to be mounted closer to their respective hub ICs, which increases mounting density and allows the modules to be mounted closer to their respective hub ICs.

Abstract: Implementations of the invention relate generally to an electrical feed, in particular a CEE feed, for the external supply of electrical power to the power supply system of a mobile load, in particular a mobile home or a recreational vehicle or a boat. This feed can include a) a flange for attaching the feed to and/or in a wall of the mobile load, and b) at least one feed connector for making electrical contact with a coupling, in particular a CEE coupling. Implementations of the invention can make provision for the feed connector to be arranged in the flange in a rotatable manner.

Abstract: The present invention relates to a fixture capable of fixing a USB connector on a housing. The fixture comprises a housing connection surface, a top surface, a first lateral surface, and a second lateral surface, wherein the housing connection surface is capable of being fixed on the housing; the top surface is connected to the housing connection surface where both surfaces are substantially perpendicular to each other, and the top surface comprises a first constraining unit capable of contacting a protection part of the USB connector to constrain movement of the USB connector along a first direction; the first lateral surface is connected to the top surface to constrain movement of the USB connector; and the second lateral surface is connected to the top surface to constrain movement of the USB connector.

Abstract: An interface module includes a housing configured to hold at least one modular jack. The housing is configured to be mounted on a panel. The housing includes an electrically conductive portion. An electrically conductive fastener has a housing interface configured to engage the electrically conductive portion of the housing and a panel interface configured to engage an electrically conductive surface of the panel. The electrically conductive fastener creates an electrical connection between the housing and the panel.

Abstract: A cable connector assembly (100) comprises an insulative housing (1), a plurality of contacts (2) received in the housing (1), a plurality of wires (3) electrically connecting to the contacts (2) and a fastening device (7). The housing (1) defines at least a through hole (107) in a lateral side thereof. The fastening device (7) comprises a bolt (71) matching with a nut (72) received in the through hole (107), the nut (72) has an engaging portion (723) split into at least two deformable pieces (7230), and the bolt (71) is slidably received in the nut (72) to urge the deformable pieces (7230) splaying when the bolt is pushed in; a stopper is arranged between the bolt and the nut to prevent the bolt from sliding out of the nut.

Abstract: An electrical connector (1), which is adapted for mounting to a circuit board (5), has a mounting foot (21) with a top mounting surface (211), an elongated base portion (23) protruded outwardly from said top mounting surface (211) and fitting members (4) set on the top mounting surface (211). In assembly, the top mounting surface (211) is face to the back of the circuit board (5), and the whole mounting foot (21) is left below the circuit board (5), which can minimize the mounting profile of the connector (1) effectively.

Abstract: In one exemplary embodiment, an electrical connector including a D-subminiature connector assembly that includes a base; a D-subminiature connector mounted to the base; and a header mounted to the base. The header has a plurality of internal contacts and an open rear end for receiving a receptacle that includes conductive contacts that are electrically connected to the internal contacts when the receptacle is fully inserted into and engaged with the header.

Abstract: A panel connector assembly includes a panel, a panel connector and a mounting bracket. The panel has opposing front and rear sides and includes a connector opening and a securing hole extending through the panel. The panel connector is disposed proximate to the panel and has a mating face aligned with the connector opening in the panel. The panel connector is positioned to couple with a peripheral connector that mates with the mating face through the front side of the panel. The mounting bracket is disposed proximate to the rear side of the panel. The mounting bracket receives a securing feature of the peripheral connector that extends through the securing hole in the panel to the mounting bracket when the peripheral connector and panel connector mate with one another. The mounting bracket receives the securing feature to secure the peripheral connector to the front, side of the panel.

Abstract: A connector, comprising a connector body (11) having a flange (19), a shell (17) forming a contour part, and a reinforcement member (53). The reinforcement member (53) further comprises a reinforcement part (67) in contact with the flange (19) in which screw holes (57) are formed and an engagement part (65) engaged with the shell (17). The reinforcement member (53) is detachably fitted to the connector body (11).

Abstract: A connector fastening arrangement locks a connector housing to a printed circuit board, thereby to effect engagement between a resilient contact on the housing and a corresponding electrical element on the adjacent top surface of the printed circuit board. A rotary locking member carried by the connector housing extends within a locking bore contained in the adjacent surface of the printed circuit board, the locking member being rotatable between locked and unlocked positions relative to the connector housing. In a preferred embodiment, the locking bore is a through bore, and the locking member extends completely through the locking bore. When the locking member is rotated toward the locked position, an eccentric locking device carried by the extremity of the locking member extends in locking engagement beneath the bottom surface of the printed circuit board. In a second embodiment, the locking device comprises a bayonet fitting arrangement.

Abstract: A shaft lock socket system comprises: a housing defining a receiving chamber; at least a socket received in the receiving chamber, installed with a gap between the back of the socket and the inward portion of the receiving chamber; and at least an adjusting member arranged in the gap between the socket and the receiving chamber and abutting against the back of the socket. The system allows for adjustment of the tightness between the socket and the housing to a proper level, reducing resonance vibration in response to tiny vibrations caused by current passing through the plug and socket, thus improving the stability of power transmission and the sound quality of an audio device.

Abstract: Aspects of a distribution connecting module for teleconununications and data systems technology include a housing inside of which input and output contacts are arranged to be accessible from the exterior of the housing. The housing is provided with a cavity inside of which at least one printed circuit board is arranged. The input and output contacts are situated on the opposing faces of the housing. The input contacts are provided in the form of at least one connector strip with insulation displacement contacts. The input and output contacts can be detachably connected to the printed circuit board. The connector strip supporting the input contacts is detachably connected to the housing via a front part. When the connection between the front part and the housing is released, the connector strip, which is connected to the front part, is, together with the fork contacts, moved away from the printed circuit board.

Abstract: A case (12) for a computer monitor (10) having a tub (16) with a case aperture (38) therein adapted for receiving a subpanel (26). The subpanel (26) has a plurality of electrical connectors 28 which are user accessible thereby. A beveled flange (40) on the subpanel (26) is received within a receiving flange (44) on the case aperture (38). A structural grid (32) within the case (12) has a flexible portion (34) which includes an electronics enclosure (33) having a screw receiving aperture (42) therein such that a screw (30) is passed through a subpanel screw aperture (48) in the subpanel (26) and secured within the screw receiving aperture (42), thereby flexing the flexible portion (34) to hold the subpanel (26) firmly within the case aperture (38).

Abstract: The present invention is directed to a utility receptacle apparatus for use with a work surface. The utility receptacle apparatus has a mounting member that has a frame which has a central opening and a peripheral portion that extends about the central opening. At least one fastening device is attached to the mounting member for attaching the mounting member to a work surface. The utility receptacle apparatus also has a base positioned within the central opening of the frame and attached to the frame. The base has a body portion and a utility receptacle member that is attached to the body portion. The utility receptacle member has a raised face that is above the top surface of the peripheral portion of the frame. At least one utility receptacle is connected to the raised face of the utility receptacle member. The utility receptacle apparatus further includes a hinge device that has first section attached to the base and a second section that pivots with respect to the first section.

Abstract: A power supply of an image forming device with a heatsink fixed on a circuit board using an iron rivet is described. The rivet is fastened using a riveter. A crimped portion at a tip of the rivet, a bottom face of the heatsink, an end portion of a flange of the rivet and a land portion of the circuit board are firmly connected to each other to stabilize their electrical connection. The rivet is electrically connected to the land portion by the binding strength of the rivet and the dipped solder. Thus, the heatsink is securely connected to a grounding line of the circuit board in a simple process.

Abstract: A cable connector assembly (100) adapted for mounting to a panel (9) includes an insulated housing (1) having a base portion (11), a tongue portion (12) extending forwardly from the base portion and at least a mounting portion (13) integrated with the base portion; a plurality of contacts (2) assembled to the insulated housing, with mating portions thereof disposed on the tongue portion; at least a cable (5) electrically connecting to the contacts, at least a nut (6) permanently assembled to a mounting portion, and a bolt (7) combining with the nut (6) to fasten the cable connector assembly with the panel together.

Abstract: A plug connector (100) includes an insulative housing (1) including a base portion (10) and a mating portion (12) extending from the base portion in a first direction, a number of contacts (2) received in the insulative housing; and a number of wires (3) comprising a number of signal wires (31) and a number of power wires (32) respectively electrically connecting with the contacts. The signal wires and the power wires are both arranged to extend along second opposite directions perpendicular to the first direction of the mating portion to locate at opposite sides of the mating portion.

Abstract: A receptacle connector includes an insulating body, a plurality of terminals and a housing. The insulating body defines a plurality of cavities for receiving the terminals. The housing defines a receiving space for receiving the insulating body and a locking space for fixing a plug connector. Two opposite sides of a top wall of the housing respectively extend sideward to form a pair of wings. The wing defines a locking aperture passing through a top and a bottom thereof. The middle of the top wall protrudes upward to form a locking lump. The middle of the rear of the top wall protrudes upward to form a connecting section adjacent to the rear of the locking lump. The locking aperture, the locking lump and the connecting section respectively buckle with corresponding structures of a fixing device.

Abstract: A shield terminal engageable with a shield of an electrical cable includes a first member having a first contact surface inclined at an acute angle relative to a longitudinal axis of the terminal and a second member having a second contact surface inclined at an acute angle relative to the longitudinal axis of the terminal. When the shield terminal is attached to the shield the first and second contact surfaces engage the shield. The second contact surface of the second member is disposed adjacent the first contact surface of the first member. A distance between the second contact surface and the first contact surface is less than a thickness of the shield.

Abstract: A power terminal and a method for making a power terminal having an electrically insulated connector body. A terminal insert is incorporated into the connector body and has at least one threaded electrically conductive member engaged with the terminal insert. The conductive member also includes a cap portion. The terminal insert is formed from a substantially rigid material and is configured to resist torque and pull out forces provided to the conductive member.

Abstract: A secure transceiver system for use with a connector system comprising a set of plugs, each plug having a housing having a front and back orientation and having a front face defining an opening, said ferrule being disposed within said opening, said housing defining a first keying element on said front face around said opening, said keying element for each plug of said set of plugs being different; said secure transceiver system comprising: a set of transceivers, each transceiver having a different receptacle, each receptacle having an opening to receive said plug and a ferrule-receiving portion to receive said ferrule, said ferrule-receiving portion defining a second keying element to cooperate with said first keying element, said second keying element for each receptacle being different and being adapted to cooperate with one and only one of said first keying elements, wherein plugs and receptacles having keying elements that cooperate are mating pairs.

Abstract: A housing is provided for use in an electrical connector. The housing includes an electrically conductive body having a mating end and a conductor exiting end, the mating end configured for coupling a mating connector. An electrically conductive flange is disposed between the mating end and the conductor exiting end in electrical communication with the body. The flange extends through an opening formed in an electrically conductive member and is detachably securable to the electrically conductive member for maintaining electrical communication between the member and the body.

Abstract: An idle air control valve includes a sleeve that defines an internal space and an electrical connector including terminals attached to the sleeve. The connector is joined to the sleeve to enclose the actuator.

Abstract: An improved single-pole electrical connector is disclosed. The connector has a base electrical connection at one end and a pin-and-collet type electrical connection at the other end. A nonconductive mounting base is used to attach the connector to an electrical distribution panel. An electrical cable (e.g., an electrical supply line) is connected to the base electrical connection. Another electrical cable (e.g., from an electrical load) is connected to a pin, which is inserted into the collet. A collet nut is tightened to provide a secure electrical and mechanical connection between the pin and collet. The nonconductive mounting base provides a secure attachment to the distribution panel and insulates the electrically conductive parts of the connector from the panel. An insulating boot may be used to cover the pin and collet side of the connector in use.

Abstract: A bonding block includes a first flat portion, a second flat portion orthogonal to and connected to the first flat portion, and a third flat portion orthogonal to and connected to the first flat portion. The third flat portion is substantially parallel to the second flat portion. A cable connector body is press-fitted into a hole in the first flat portion, staked to the flat portion, and covered by a dress ring. A ground connecting portion for retaining a ground wire is in the form of a box, with the bottom of the box including a retaining groove and the top of the box including a seizure screw. The front and rear of the box contain holes to permit alternate entry locations for the ground wire. The bonding block is preferably formed from a single piece of stainless steel.

Abstract: An insert panel assembly for the IDU cards at the hub of a point-to-multipoint millimeter wave wireless communication system. Generic cards with terminations for the selective connection of remote transceivers are provided with an apertured faceplate over which an insert panel may be placed to selectively block access to the card terminations. In one embodiment, the insert carries adaptors and another embodiment the connector on the conductor from the transceiver is configured to attach to the faceplate. In both embodiments the weight of the connector and conductor is supported by the chassis and not by the card. The connector is angled downwardly to avoid stress on the conductor and reduce the likelihood of kinking.

Abstract: A fixing structure for a circuit board includes at least one board mounting hole in the circuit board, the board mounting hole having a guide hole and an insertion hole, and at least one board mounting member inserted through the board mounting hole, the board mounting member having a main body, a cover, and an insertion portion therebetween, wherein the insertion portion has a cross-sectional area smaller than either of the main body or the cover and is capable of fitting in the insertion hole of the board mounting hole.

Abstract: A fixing structure for a circuit board includes at least one board mounting hole in the circuit board, the board mounting hole having a guide hole and an insertion hole, and at least one board mounting member inserted through the board mounting hole, the board mounting member having a main body, a cover, and an insertion portion therebetween, wherein the insertion portion has a cross-sectional area smaller than either of the main body or the cover and is capable of fitting in the insertion hole of the board mounting hole.