Abstract: An assembly of modularized housing and door cover includes a modularized housing; a door cover having a upper part thereof formed with at least one sleeve for putting around the axial pin, and a main body thereof formed with a plurality of ventilation openings; a film having a surface thereof partially adhered to peripheral areas of the ventilation openings using an adhesive layer to form loose-leaf connection; and spring accommodated in the axial pin, and having one end thereof pushed against the wall surface and the other end thereof pushed against an inner wall of the door cover. The modularized housing is provided with excellent ventilation effects therein when assembled with power supply device. The accommodating chambers are not assembled with power supply devices, external air in large amounts is prevented from entering into the idle accommodating chamber, thereby forming negative pressure at the interior of the modularized housing.

Abstract: A air shroud installed on a circuit board is composed of a circuit board which is installed with an outer housing, an inner surface of which is connected with at least more than one fan, and a side of which is provided with an air exit. The fan is provided with an air entrance and an air exit, wherein the air exit is corresponding to the air exit of outer housing. Air sucked in by the air entrance of fan is expelled out of the air exit of outer housing to be exported, through the air exit of fan, such that the air can be led to another space area or be used to dissipate heat from a specific electronic component.

Abstract: A power supply early warning device for pulling out a power plug is composed of a power supply, which is loosely connected with a handle, with the handle being installed with a locking hole. A long through-hole is installed at a side edge of the power socket, and a locking member is provided with a pushing plate, with an end of which being formed with a projection piece. the locking member is installed with a locking plate which can be locked or loosely connected into the long through-hole, and the pushing plate can be slidingly displaced on an outer wall of a rim of the long through-hole, allowing the projected piece to be locked into or released from the locking hole of the handle, so as to prevent from a deformation or a short-circuiting between the power plug and the socket by a dragging of external force, and to further enable a user to displace the power supply more safely, without damaging the entire power supply system.

Abstract: A cooling fan device for a computer including a fan device having a primary housing and a side housing. A computer casing a side walls having an area with air permeable holes, right positioning slots, and a left positioning slot. Projection parts of the primary housing are latched into the right positioning slots, and a flange part on a press plate is latched into the left positioning slot, such that the fan device can be quickly assembled on or disassembled from the computer casing without using screws.

Abstract: A positioning device for fixing an interface card on a computer casing without using screws, is composed of a vertical wall board of a computer casing, which is provided with long through-holes; fixing seats, which are connected on an interface of the vertical wall board, and are provided with shaft holes and one movable groove; elastic members, which are provided with shaft holes and spring leaves, and are emplaced into the movable grooves; a shaft, which is connected on the fixing seats and the elastic members; and an interface card is provided with a cover, with an end of the cover being provided with an outer board. When the elastic member is subjected to force to rotate, the spring leaf will be abutted on the outer board. When the elastic member rotates reversely, the spring leaf will be escaped from the outer board, and the cover and the interface card can be removed from the vertical wall board simultaneously.

Abstract: A computer casing baffle plate device is composed of a computer casing which contains a left and right side walls provided with protruded members, shaft holes, and screw holes, with transversal concave parts formed below front ends of upper surfaces. A baffle plate whose bottom is provided with shaft holes and whose upper plate surface is provided with spring leaves having protruded slopes and protruded plates which are extended outward. A shaft is flexibly connected to the shaft holes on the casing and the shaft holes on the baffle plate. Spring leaves are deformed and pressed against the transversal concave parts, so as to vertically fix the baffle plate inside the casing. The baffle plate can be rotated by an angle inside the casing by a simple disassembling, thereby facilitating an assembling and disassembling of other components inside the casing.

Abstract: A circuit card locking device (30) at a rear cover of a computer, is composed of a computer casing (10), a rear side of which is connected with a rear cover (20) which is provided with a rectangular hole (22) and a projection piece (24) that is formed with a tab (241); a locking device (30), which tightly lock and fix a straight metallic piece (82) of a circuit card (80) at a periphery of the rectangular hole (22) of the rear cover (20). The locking device (30) has a body (3) that may be rotated from a retracted position in which it is securely held to a position in which an elastic tongue (35) of the body (3) presses on the metallic piece (82) of the circuit card (80) to urge it toward the projection piece (24) and to cause the tab (241) to lock into an indentation (821) in the metallic piece (82). Accordingly, the straight metallic piece (82) at a rear end of the circuit card (80) can be tightly locked on the rear cover (20) without using screws, and can be quickly released from the rear cover (20).

Abstract: A modularized redundant heat sink for dissipating heat generated from chips includes an independent rectangular fin whose sides are provided with at least more than two elastic pins, and which is provided with a bottom surface for conducting temperature; a circuit board on which are welded with at least more than two chips having upper surfaces. A bottom surface of the fin is attached to the upper surfaces of at least more than two chips through a heat conducting glue, so as to provide a temperature conducting and heat dissipating to at least more than two chips by one fin.

Abstract: A air shroud for dissipating heat from an electronic component is composed of a air shroud of a roughly U-shaped cross section, whose left and right sides are formed into a first and a second opening, respectively. A passage is formed between the first and second openings, enabling air to flow along a specific direction. A flexible thin piece is fixed inside the air shroud which covers a specific electronic component on a circuit board, and the flexible thin piece is touched with a surface of the electronic component. The fast-flowing air flows quickly along the passage, so as to effectively cool down a working temperature of the specific electronic component, thereby increasing a lifetime of usage of the specific electronic component.

Abstract: A displacement control device for an extractable power supply is composed of a power supply; a handle which is constituted by an upper arm and a lower arm extended transversally and a grip extended vertically, wherein tail ends of the upper and lower arms are formed with about U-shape grooves respectively; and a casing which is provided with at least more than one rectangular slot, with at least one wall of the slot being provided with a pillar which can be located in or outside of the groove according to a displacement of different angle of the handle subjected to a force, enabling the power supply to be emplaced into or out of the casing. The displacement control device is provided with a two-stage exertion of force and a control of displacement direction, so as to improve a safety of operation process and a robustness of positioning the handle at the outer casing.

Abstract: A removable computer host housing assembly includes a hollow and penetrated host housing having an interior thereof defined as a front accommodating chamber and a rear accommodating chamber; a rear housing having a plurality of rectangular accommodating cells therein and an upper long rectangular accommodating cell at and upper section thereof; wherein each rectangular accommodating cell is assembled with a power supply module, each upper long rectangular accommodating cell is assembled with one interface circuit module, and the rear housing is assembled into the rear accommodating chamber; and one server module appearing as a rectangular housing, and being vertically inserted into the rear accommodating chamber. A plurality of interface circuit modules, power supply modules, server modules can be speedily assembled with or disassembled from an interior of the host housing, thereby accomplishing maintenance or module expansion with speed and convenience.

Abstract: An engaging device of a handle for a modularized casing is composed of a modularized casing; a handle; an outer sleeve; a side of casing being provided with a positioning hole for emplacing the hook; a shaft pin which is loosely connected to the pivoting holes of casing and handle, with the handle being rotated against the shaft pin. The handle can be firmly locked to the modularized casing without being loosened and dislocated, and the engaging device can be rapidly released from the positioning hole, while most of a volume of the handle will not protrude out of the modularized casing.

Abstract: A modular case handle positioning device including: the handles are able to angular rotate about the respective shaft pins as axis, and a force is applied to protruding portions of slots on two sides when the handles are rotated through an angle, thereby enabling the modular case to be withdrawn from the slots using a first stage displacement action. In order to prevent the entire modular case from falling to the ground because of an overexertion of force when the modular case is being inserted into the slots, the present invention includes a second stage displacement action that acts as a force buffer and final directional displacement control, thereby enabling the modular case to be solidly positioned within the slots.

Abstract: A circuit board securing device for a computer case includes a computer case, on a base panel of which are separately disposed vertical protruding beams. An elastic leaf is affixed to a side wall surface of each of the protruding beams. An end portion of each of the elastic leaves forms a vertical top abutting wall, a front portion of which is configured with a raising member. A rear abutting wall is formed on a side of the top abutting wall, and a clamping groove is formed between the top abutting wall and the rear abutting wall. Protruding holding bodies, between which are defined securing grooves, are formed on the base panel, and an opening of each of the securing grooves corresponds to an opening of each of the clamping grooves, thereby securing a circuit board without applying screws, enabling fast clamping and disassembling of the circuit board.