Abstract: A housing of an electronic device includes a bottom cover and a front panel detachably secured to the bottom cover. The bottom cover includes at least one first sidewall and a locking portion perpendicularly set on the at least one first sidewall. The front panel includes a fixing portion and a blocking portion adjacent to the fixing portion and spaced from the locking portion. The fixing portion defines a through hole for receiving the locking portion. The fixing portion and the blocking portion abut opposite sides of the at least one first sidewall for preventing the at least one first sidewall from leaving a gap between the at least one first wall and the locking portion.

Abstract: An exemplary electronic device includes a housing, a display unit, a fixing assembly, and a battery. The fixing assembly is arranged in the housing and defines an opening. The fixing assembly further includes a main body and a resisting member. The display unit is arranged on the main body. The resisting member protrudes from a side of the opening and extends toward the opening. The base of the resisting member is flush with the main body. The battery is fixed below the fixing assembly and opposite to the opening. The resisting member and the display unit via the opening resist the battery.

Abstract: A locking structure includes a hook disposed on a first object and engagable with a locking member disposed on a second object. The locking member includes a main body rotatable about an axis thereof and a number of locking portions radially protruding from the main body. When the main body rotates about the axis, the locking portions rotate together with the main body to engage with and disengage from the hook to lock the first object to and unlock the first object from the second object.

Abstract: A measuring device for measuring the torque of a torsion spring, includes a base, an electronic scale secured to the base, a supporting plate fixed to the base, and a holding mechanism slidably secured to the supporting plate. The holding mechanism includes a screw slidably secured to the supporting plate, two nuts engaging with the screw and arranged at opposite sides of the screw, and a holding portion for holding the torsion spring. The nuts are operated to adjust the height of the screw relative to the supporting plate, to drive the torsion spring to depress the electronic scale. The electronic scale displays a weight value for calculating the torque of the torsion spring when depressed by the torsion spring.

Abstract: An exemplary portable electronic device includes a bottom cover, a top cover, an electronic module, and elastic washers. The top cover engages with the bottom cover to define a space therebetween. The electronic module is received in the space. Poles protrude up from the bottom cover. The elastic washers are fixed on the electronic module. A through hole is defined in each of the washers. The poles respectively extend through the through holes of the washers, and opposite ends of each of the washers respectively elastically abut the top cover and the bottom cover.

Abstract: An exemplary display unit includes a rear cover, a bracket disposed on the rear cover, a display mounted on the bracket, and a front cover secured to the rear cover to sandwich the display and the bracket between the front cover and the rear cover. The bracket includes a plate supporting the display, a pair of bulges protruding upwardly from two opposite sides of the plate and a pair of tabs extending upwardly from the bulges, respectively. The pair of tabs press against two opposite lateral faces of the display to dissipate static electricity on the display to ground.

Abstract: A panel assembly includes a first panel having a body and a mating portion formed at an end of the body. The body includes a first surface and an opposite second surface, and the first surface includes several first hooking members and several protruding tabs. A second panel includes a first side and an opposite second side, the first side includes several resilient tabs and several second hooking members. Each resilient tab defines a receiving hole, and the second panel further has a top surface and a bottom surface that includes a protruding portion at the second side. The mating portion of the first panel is snugly received in the chamber, the first hooking members engage the second hooking members, and each of the tabs of the first panel is received in one of the receiving holes of the resilient tabs, thereby coupling the second panel to the first panel.

Abstract: An electronic device includes a motherboard and a heat dissipating plate. The motherboard includes a base. The base includes a number of ports and an electronic element. The heat dissipating plate includes a substrate and a number of fasteners extending out from the substrate for engaging with the number of ports of the motherboard. The substrate defines a bulging cavity for engaging with and dissipating heat from the electronic element.

Abstract: An exemplary electronic device includes a front cover, a display screen and two speakers located on the back surface, and a back plate abutting against the display screen and two speakers. Five fasteners extend backwardly from a back surface of the front cover. Each of the fasteners includes a connecting plate extending backwardly from the back surface and a top plate formed at a free end of the connecting plate. Five latching tabs are formed on the back plate corresponding to the fasteners. Each of the latching tabs includes a latching tip latched between the top plate of the corresponding fastener and the back surface of the front cover. The back plate abuts against the display screen and the two speakers, thus mounting the display screen and the two speakers on the front cover.

Abstract: A fastening structure assembly includes a housing, a to-be-fixed element, and at least one fastening element. The housing defines at least one fastening post. The to-be-fixed element includes at least one supporter each of which is bent to surround one of the at least one fastening post. Each of the at least one fastening element includes a stopper and a fastening pole extending from the stopper. Each of the fastening pole engages with one of the fastening posts to make the corresponding stopper resist an edge of the supporter surrounding the fastening post to fasten the to-be-fixed element to the housing.

Abstract: An electronic device includes a housing defining at least one mounting hole, a key assembly secured to the housing, and a circuit board housed in the housing. A securing mechanism is secured to the housing and is used to hold the key assembly for preventing the key assembly from moving in a first direction. The circuit board abuts the key assembly to prevent the key assembly from moving in a second direction perpendicular to the first direction when fixed to the housing.

Abstract: A cover assembly includes a base including an opening, a first hole and a second hole, an elastic cover including a first pivot and a second pivot coaxially aligned with the first pivot. The first pivot is rotatably received in the first hole and the second pivot is rotatably received in the second hole, thereby rotatably connecting the cover to the base. The cover is rotatable between a closed position where the cover covers the opening, and an open position where the opening is exposed. The operator only needs to bend the cover slightly, and assembles the first pivot and the second pivot into the pair of holes from the opening respectively.

Abstract: A button mechanism is arranged in an electronic device for actuating a switch. The button mechanism includes a support fixed in the electronic device, a button, an elastic connection member, and a resisting member. The button includes a button body that can be pressed, and an actuation portion protruding from the button body, the actuation portion being located above the switch. The elastic connection member connects the button body to the support, and the elastic connection member is elastically deformed when the button body is deformed. The resisting member is arranged between the button body and the switch, for preventing the button body from moving down too far, thereby limiting a traveling range of the button body.

Abstract: A button mechanism is arranged in an electronic device for actuating a switch. The button mechanism includes a support fixed in the electronic device, a button for receiving an external press to move towards and actuate the switch, and an elastic connection member connecting the button to the support, wherein the elastic connection member is elastically deformed when the button is depressed. The button mechanism further includes a resisting member. The resisting member includes a first end fixed in the button, and a second, suspended end for resisting against a stopping member fixed in the electronic device, wherein when the button moves a predetermined distance towards the switch, the second end resists against the stopping member to prevent the button from further moving towards the switch.

Abstract: An electronic device includes a housing, a circuit board received in the housing, a signal receiving unit secured to the circuit board, a sensor window cover secured to the housing and corresponding to the signal receiving unit, and at least one limiting post secured to an inner surface of the housing. The sensor window cover defines at least one limiting hole for receiving the at least one limiting post. The circuit board abuts the sensor detector window to secure the sensor window cover to the housing when the at least one limiting post is received in the at least one limiting hole.

Abstract: An electronic device includes a housing defining an opening, a signal receiving unit received in the housing, a sensor window cover secured to the opening and corresponding to the signal receiving unit, and a stopping mechanism. The stopping mechanism includes a resisting member secured to the sensor window cover, a first stopping member and a second stopping member arranged on opposite sides of the opening. The resisting member defines a receiving portion. The receiving portion receives the first stopping member to allow the sensor window cover to be secured to the opening, and abuts the second stopping member to prevent the sensor window cover from being secured to the opening when the sensor window is installed reversely.

Abstract: A device includes a housing, a support member, and a fastener. The housing defines a recess and includes a protrusion extending from a bottom of the recess. The height of the protrusion is less than a depth of the recess. The protrusion defines a fastening hole extending therethrough. The support member is retained within the housing and defines a through hole. The fastener extends through the through hole of the support member and is screwed into the fastening hole to secure the support member to the housing.

Abstract: An optical disk player includes a main body, a hinge, and a display. The main body includes a cover and an opposite base. The hinge includes a fixing portion coupled with the cover of the main body. The display is pivotably connecting to the main body by the hinge. The fixing portion defines a locating hole thereon. The cover defines a holding portion and a first locking portion. The first locking portion comprises a pole and a hook at an end of the pole. The holding portion of the cover is engaged in the corresponding locating hole of the fixing portion. The hook and the pole of the first locking portion clasp different sides of the fixing portion.

Abstract: A measuring device for measuring the torque of a torsion spring, includes a base, an electronic scale secured to the base, a supporting plate fixed to the base, and a holding mechanism slidably secured to the supporting plate. The holding mechanism includes a screw slidably secured to the supporting plate, two nuts engaging with the screw and arranged at opposite sides of the screw, and a holding portion for holding the torsion spring. The nuts are operated to adjust the height of the screw relative to the supporting plate, to drive the torsion spring to depress the electronic scale. The electronic scale displays a weight value for calculating the torque of the torsion spring when depressed by the torsion spring.

Abstract: A housing of an electronic device includes a bottom cover and a front panel detachably secured to the bottom cover. The bottom cover includes at least one first sidewall and a locking portion perpendicularly set on the at least one first sidewall. The front panel includes a fixing portion and a blocking portion adjacent to the fixing portion and spaced from the locking portion. The fixing portion defines a through hole for receiving the locking portion. The fixing portion and the blocking portion abut opposite sides of the at least one first sidewall for preventing the at least one first sidewall from leaving a gap between the at least one first wall and the locking portion.