CN2396422Y

CN2396422Y - Non-screw fastener for top cover of computer housing

Info

Publication number: CN2396422Y
Application number: CN 99216583
Authority: CN
Inventors: 郑英毅
Original assignee: MINGXIN ELECTRONIC FACTORY QIS
Current assignee: MINGXIN ELECTRONIC FACTORY QIS
Priority date: 1999-07-09
Filing date: 1999-07-09
Publication date: 2000-09-13
Anticipated expiration: 2009-07-09

Abstract

The utility model relates to a top cover for a computer, which can be conveniently covered on a computer casing. The center of the bottom surface of a pulling device is axially connected with an elastic element by a mandrel. Upper and lower supporting legs of the elastic element are propped against the pulling device and the convex part of a concavely arranged casing. A hook joint element is provided with clamping hooks on both sides of an L-shaped butt joint plate, and is axially connected with the mandrel in order to be positioned by a coaxial shaft hole. The bottom surface of the front part of the top cover for a computer is provided with an inserting fastener, and the inserting fastener is arranged in a casing clamping groove which is arranged at a corresponding position. The inserting fastener is used for aslant pressing the top cover for a computer. Both sides of the upper cover for a computer are provided with side connecting plates and positioning lugs on the inner surface of the side connecting plates. The positioning lugs are arranged in the casing clamping groove. The utility model is used on a computer.

Description

The computer chassis loam cake does not have thread group device

The utility model relates to the computer upper cover structure.

Existing computer upper cover is the Jiong type, so that it is corresponding with housing affixed, its Jiong type edge joint portion is formed with the connection wing plate, but the setting of this connection wing plate has brought trouble to processing and manufacturing, and cost height, and adopt screw to connect, again to assembly and disassembly brought take a lot of work, time-consuming trouble, also influential for the overall appearance of computer outward appearance.

The purpose of this utility model provides a kind of computer chassis loam cake of conveniently saving trouble does not have thread group device.

The purpose of this utility model is achieved in that the computer chassis loam cake does not have thread group device, it comprises: recessedly put housing, pull and draw device and clasp joint spare, the recessed housing of putting places the interior fastener of loam cake breach to fix, pull and draw device to pass the pin-jointing piece of its bottom surface with axle, and be coupling and put on housing and the breach in recessed, it is characterized in that: pull and draw device bottom surface centre to be connected with a flexible member with axle, spike stays on to pull and draws device and the recessed protuberance of putting housing about the flexible member; Clasp joint spare has extended grab and has made the axle location that is coupling with concentric axis hole in L shaped board joint two sides; On be placed on its anterior bottom surface and establish the eye-splice part, and insert the casing draw-in groove that opposite position is provided with, press down loam cake with inclination, loam cake two sides are established the location lug of lateral connecting board and inner face thereof, and are placed in the casing draw-in groove.

Above-mentioned design can make to pull and draw the device plate to change, and can make clasp joint spare and casing rear side holder is set is broken away from buckle by clasp joint portion, and the mat loam cake is connected with casing screw of no use and reaches assembling, the demolition effect that conveniently saves trouble.

Be described further again below by accompanying drawing, embodiment.

Fig. 1 the utility model is applied to host computer closure state schematic perspective view;

Fig. 2 the utility model is applied to host computer decomposing state schematic perspective view;

Fig. 3 the utility model structural upright decomposing schematic representation;

Fig. 4 analyses and observe and the arrow points synoptic diagram for A-A among Fig. 1;

Fig. 5,6 the utility model are pulled and are drawn device action diagrammatic cross-section;

Opening synoptic diagram between Fig. 7 the utility model loam cake and casing;

Closure state synoptic diagram between Fig. 8 the utility model loam cake and casing.

Shown in Fig. 1-4: the utility model comprises: recessedly put housing 21, pull and draw device 22 and clasp joint spare 23, the recessed housing 21 of putting places loam cake 1 breach 13 interior fasteners to fix, pull and draw device 22 to pass the pin-jointing piece 221 of its bottom surface with axle 223, and be coupling and put on housing 21 and the breach 13 in recessed, it is characterized in that: pull and draw device 22 bottom surface centre to be connected with a flexible member 222 with axle 223, flexible member about in the of 222 spike 2221 stay on to pull and draw device 22 and the recessed protuberance 212 of putting housing 21; Clasp joint spare 23 has extended grab 231 and has made axle 223 location that is coupling with concentric axis hole in L shaped board joint 234 2 sides; Loam cake 1 is established eye-splice part 12 in its anterior bottom surface, and inserts casing 3 draw-in grooves 32 that opposite position is provided with, and presses down loam cake 1 with inclination, and loam cake 1 two sides are established the location lug 111 of lateral connecting board 11 and inner face thereof, and are placed in casing draw-in groove 32.Wherein, loam cake 1 back side breach 13 places are provided with an electromagnetic wave cover cap 14, and this cover cap 14 coats the recessed housing 21 of putting, and makes outside grab 231 protruding being exposed to of clasp joint spare 23.Wherein, be provided with a parallel positioning pressuring plate that protrudes out 233, be provided with holder 31, be provided with lock 4 in holder 31 belows in casing 3 at L type board joint 234 middle positions; When locking, lock 4 tongue piece 41 protrudes into the place, below of positioning pressuring plate 233 relative positions by the buckling groove 141 of cover cap 14, so that pull when drawing device 22 in that plate is moving, mat tongue piece 41 is buckled pulling of group device 2 with block, reaches the closed purpose of locking.

Wherein, lateral connecting board 11 inner faces are set a lug 111 at interval, and place, loam cake 1 leading edge inner face below is provided with a plurality of equidistant eye-splice parts 12, and casing 3 two sides are established recess 33, are installed with for location lug 111 contrapositions, and make loam cake 1 location; Breach 13 is installed with for button group device 2, and has through hole 131, two sides that interior flap 132 is arranged; The recessed housing 21 of putting is set up in breach 13 tops with outer flanging 215 around its opening 211, but flap 132 in cover cap 14 fasteners, and interior flap 132 is established for clasp joint spare 23 frames; Opening 211 draws device 22 to be provided with for pulling, pull and draw device 22 to be extended with a plurality of pin-jointing pieces 221 downwards, spike 2221 on the pin-jointing piece 221, protuberance 212 through holes 2121 of button group device 2 front portions, the through hole 131 of breach 13 and clasp joint spare 23 grabs 231 all can run through for an axle 223, so that button group device 2 is positioned on the breach 13, wherein, recessed 21 of the housings of putting are fixed on the breach 13, pull when drawing device 22 plates to move, clasp joint spare 23 rotates with axle 223, by axle 223 flexible member 222 is built in and pulls the centre position of drawing device 22 belows, after axle 223 makes button group device 2 location, axle 223 2 sides are fixing with C type spring 224, and protuberance 212 downward projections 213 place in the strip hole 232 of L type board joint 234.

Shown in Fig. 4-6: because recessed trip 214 fasteners of putting housing 21 are in breach 13 on the flap 132, therefore the recessed housing 21 of putting places breach 13 internal fixation, pull when drawing device 22 when upwards pulling to draw as certain angle, the clasp joint spare 23 that closely is coupling with positioning pressuring plate 233 can draw device 22 to be affected simultaneously together with pulling, make the grab 231 of clasp joint spare 23 2 sides and the holder 31 disengaging buckle states of casing 3 rear sides, and draw device 22 belows to be arranged in the flexible member 222 of axle 223 by pulling, make pull draw device 22 flexible members about in the of 222 spike 2221 respectively hold to pull and draw device 22 bottom surfaces and recessed recess 212 end faces of putting housing 21 keeping its elastic reaction, and can after rotation, automatically reset.

Shown in Fig. 2,7,8: the edge joint portion of casing 3 in the front side is provided with a plurality of draw-in grooves 32, this draw-in groove can be kept supplying a plurality of eye-splice parts of setting up with respect to draw-in groove 32 positions 12 that cover 1 preceding bottom surface and plug, with inclined height eye-splice part 12 is inserted in the draw-in groove 32 by loam cake 1, when loam cake 1 presses down with casing 3 closures, the location lug 111 of loam cake 1 two side lateral connecting boards 11 inner faces just can be placed on the recess 33 of casing 3 sidepieces, so that loam cake 1 reaches the locator meams of screwless; Be formed on upwards to pull in the handle mode by button group device 2 and draw just easily mat eye-splice part 12 to open by rotation or with loam cake 1 closure, so there is pair loam cake 1 facility to tear the effect of group open in draw-in groove 32.

Claims

1, the computer chassis loam cake does not have thread group device, it comprises: recessedly put housing, pull and draw device and clasp joint spare, the recessed housing of putting places the interior fastener of loam cake breach to fix, pull and draw device to pass the pin-jointing piece of its bottom surface with axle, and be coupling and put on housing and the breach in recessed, it is characterized in that: pull and draw device bottom surface centre to be connected with a flexible member with axle, spike stays on to pull and draws device and the recessed protuberance of putting housing about the flexible member; Clasp joint spare has extended grab and has made the axle location that is coupling with concentric axis hole in L shaped board joint two sides; On be placed on its anterior bottom surface and establish the eye-splice part, and insert the casing draw-in groove that opposite position is provided with, press down loam cake with inclination, loam cake two sides are established the location lug of lateral connecting board and inner face thereof, and are placed in the casing draw-in groove.

2, button group device as claimed in claim 1 is characterized in that: wherein, loam cake back side indentation, there is provided with an electromagnetic wave cover cap, and this cover cap coats the recessed housing of putting, and makes outside protruding being exposed to of grab of clasp joint spare.

3, button group device as claimed in claim 1 or 2 is characterized in that: wherein, be provided with a parallel positioning pressuring plate that protrudes out at L type board joint middle position, be provided with holder in casing, be provided with lock in the holder below; When locking, the tongue piece of lock is protruded into the place, below of positioning pressuring plate relative position by the buckling groove of cover cap.