CN203456667U

CN203456667U - Fasteners

Info

Publication number: CN203456667U
Application number: CN201320596113.3U
Authority: CN
Inventors: 邓世璿; 徐雅惠
Original assignee: Kemax Shing Co Ltd
Current assignee: Yinmao Electronic Technology Dongguan Co ltd
Priority date: 2013-09-26
Filing date: 2013-09-26
Publication date: 2014-02-26
Anticipated expiration: 2023-09-26

Abstract

The utility model is integrally formed by plastic material and has a locking part and an assembling part; the locking part is provided with two arm rods which are arranged in an extending mode at a preset interval, and the inner side surfaces of the two arm rods are respectively provided with at least one convex buckle in a protruding mode, wherein the convex buckles correspond to each other; the assembling part is provided with a cap connected with the two arm rods, a channel penetrating between the two arm rods is arranged at the cap, and at least one elastic hook plate is arranged at the bottom of the cap. When the locking device is used, the locking part extends into the fastener jack which is arranged on the side of the notch in advance, and the elastic hook plate at the bottom of the cap is clamped and held with the fastening hole on the inner wall of the fastener jack. Thereby achieving the purposes of easy assembly, relatively stable structure and great reduction of manufacturing cost.

Description

Fastener

Technical field

The utility model, about a kind of fastener, refers to a kind of corresponding board slot use that is installed on especially, to inserting the board of board slot, produces the fastener of locking the effect of pulling.

Background technology

As everyone knows, " computer " is a kind of common name of all kinds of logical operation main frames, according to purposes and kenel, distinguishes, and computer roughly can be divided into server (server) and PC (personal computer is called for short PC).In addition, the kind of PC and kenel be constantly evolution also, from early stage desktop computer (desktop PC), kneetop computer (laptop PC), notebook computer (notebook PC), individual action digital assistants (PDA), and panel computer (tablet PC) etc.

Wherein, desktop computer is because function and stability constantly promote, not only replaced giant brain in the past as server, the host computer that adds desktop computer can be assembled voluntarily or expand more application function, operational paradigm according to user's demand, therefore more generally go deep into general company's line number and family, become the computer type that existing market occupation rate is the highest; Generally speaking, the host computer of desktop computer mainly comprises cabinet, motherboard, CPU (CPU), memory modules, sound card, display card, power supply unit and data memory device (data storage equipment), as Winchester disk drive (hard disk drive), CD-ROM drive (optical disk drive), CD writer etc.

When assembling host computer, CPU, internal memory and sound card, display card etc. are all in all kinds of slots that directly embed on motherboard; Moreover, for more meeting, be available for users to the setting of extended function voluntarily, further develop modular board design, and the two ends corresponding to board are provided with and can, for the buckle bolt of switching, by buckle bolt, strengthen the fixed effect to board at slot.

Space allocation problem due to host computer inside; many operators are when plug board; often can be by component interference such as CD-ROM drive, hard disk, winding displacement or other boards; cause cannot switching slot both sides the button of fastening; and affecting the normal Plug Action of board, therefore existing computer motherboard is fastening buckle and change by not needing the fastener of rotation to be replaced near a side of other assembly by its slot.

Similar existing fastener, how by metal parts and the relative plastic components that protrudes slot top being embedded in slot, to be formed, mainly utilize metal parts to lock to being inserted into the board generation of location the effect of pulling, can utilize if desired plastic components to push away tactile metal parts, use and discharge metal parts to the lock of the board effect of pulling, make board be able to be extracted out smoothly.Yet these structural designs not only increase mould and material cost, and assembling operation is also comparatively complicated loaded down with trivial details; Especially, this plastic components is again through after repeatedly pushing away and touching metal parts, the phenomenon of moving in the time of more can causing two different parts really because producing wearing and tearing.

Utility model content

The technical problem that the utility model solves provide a kind of assembling of board slot easily, structure is comparatively solid and reliable, and the fastener that can significantly reduce manufacturing cost.

The technological means that the utility model adopts is as described below.

For on reaching, take off object, fastener of the present utility model is by plastic material Unitary injection formed, this fastener comprises following structure: a pintle hook lock portion, relatively be positioned at the place, below of whole fastener, there are two and be the armed lever that preset space length extends configuration, and in the medial surface of two armed levers, convex with respectively the protruding button of at least one mutual correspondence; One department of assembly, the top that is relatively positioned at whole fastener is located, and has a cap being connected with two armed levers, in cap place, is provided with one through the passage between two armed levers, separately in cap bottom, is provided with at least one elasticity and hooks plate.

Utilize said structure feature, fastener of the present utility model, can be installed on corresponding board slot uses, the main mode being involutory with the gap of two armed levers and the notch of board slot, the pintle hook lock portion of fastener is stretched into board slot to be located in the fastener jack of notch avris in advance, and the elasticity hook plate by cap bottom is held with the button hole phase buckle of fastener jack inwall, whole fastener can be quick mounting to location; When applied board inserts, the plate of board is along stretching into through the passage of cap in the gap of two armed levers, and be inserted into behind location at board, by the protruding button correspondence of two armed lever medial surfaces, buckle into board in its plate along in the predefined breach of institute, can produce and limit its lock being drawn out of effect of pulling board; If desired, only the cap of fastener need be pressed towards the direction of board slot bottom, be forced two armed levers outwardly-bent, make the protruding button of two armed lever medial surfaces exit the breach of board, can smoothly board be extracted out.Thereby reach, assembling is easy, structure is comparatively firm, and the object that can significantly reduce manufacturing cost.

According to said structure feature, described fastener is formed with the guide ramp of a tool predetermined slant at the top of each protruding button.

According to said structure feature, described fastener is formed with the inclined-plane that compresses that tool predetermined slant and gradient are less than guide ramp in the bottom of each protruding button.

According to said structure feature, described fastener is formed with the guide ramp of a tool predetermined slant at the top of each protruding button, and is formed with in the bottom of each protruding button the inclined-plane that compresses that tool predetermined slant and gradient are less than guide ramp.

Two armed lever tail ends of described pintle hook lock portion connect and are a curved arc shape.

Described department of assembly is provided with a pair of elasticity that is disposed at respectively two armed lever outsides and hooks plate in cap bottom.

Particularly, the disclosed fastener of the utility model can produce following effect.

1. whole fastener can, by plastic material Unitary injection formed, reduce mould and material cost relatively.

2. whole fastener only need can Fast Installation be put to location through an insert action, therefore relatively tool is assembled convenience.

3. whole fastener, when using, does not have the problem that different parts rub mutually, therefore overall structure is comparatively solid and reliable.

4. still can see through the inclined design that compresses with gradient, compensate the cut height drop that may exist between different boards, make with effect that the comparatively firm lock of applied board generation is pulled.

Accompanying drawing explanation

Fig. 1 is that fastener of the present utility model is used configuration reference diagram.

Fig. 2 is fastener stereoscopic figure of the present utility model.

Fig. 3 is fastener assembling mode schematic diagram of the present utility model.

Fig. 4 is that the fastener of the utility model the first embodiment is used state cutaway view.

Fig. 5 is that the fastener of the utility model the first embodiment is used state cutaway view.

Figure number explanation:

10 boards

11 breach

20 board slots

21 notches

22 fastener jacks

221 button holes

30 fasteners

31 pintle hook lock portions

311 armed levers

312 protruding buttons

313 guide ramp

314 compress inclined-plane

32 departments of assembly

321 caps

322 passages

323 elasticity hook plate.

Embodiment

Fastener as of the present utility model in Fig. 1 is used and configures as shown in reference diagram, and the utility model discloses a kind of corresponding board slot 20 uses that are installed on, and mainly uses and produces to inserting the board 10 of board slot 20 fastener 30 of locking the effect of pulling; Please coordinate with reference to shown in Fig. 2 fastener stereoscopic of the present utility model figure, fastener 30 of the present utility model is substantially by plastic material Unitary injection formed simultaneously, and whole fastener 30 further comprises following structure.

One pintle hook lock portion 31, relatively be positioned at the place, below of whole fastener 30, there are two and be the armed lever 311 that preset space length extends configuration, and in the medial surface of two armed levers 311, convex with respectively the protruding button 312 of at least one mutual correspondence, mainly utilize protruding button 312 by board 10 compactings of stretching into therebetween, and then board 10 is produced to the lock effect of pulling; In the present embodiment, two armed levers, 311 tail ends of described pintle hook lock portion 31 connect and are a curved arc shape, except increasing the structural strength of whole fastener 30, also can be when pintle hook lock portion 31 bottom offset, structure by the connected curved arc shape of two armed lever 311 tail ends and its below is inconsistent, and then guides two armed levers 311 outwardly-bent.

One department of assembly 32, the top that is relatively positioned at whole fastener 30 is located, and has a cap 321 being connected with two armed levers 311, in cap 321 places, is provided with one through the passage 322 between two armed levers 311, separately in cap 32 bottoms, is provided with at least one elasticity and hooks plate 323; In the present embodiment, described department of assembly 32 is provided with a pair of elasticity that is disposed at respectively two armed lever 311 outsides and hooks plate 323 in cap 321 bottoms, the main elasticity hook plate 323 that sees through is combined with corresponding board slot 20 phase buckles, and limits the upper and lower displacement relative to board slot 20 in predetermined stroke of whole fastener 30.

Please coordinate with reference to shown in Fig. 3 and Fig. 4 simultaneously, fastener 30 of the present utility model can see through once simple insert action and be installed on corresponding board slot 20 uses, the main mode being involutory with the gap of two armed levers 311 and the notch 21 of board slot 20, the pintle hook lock portion 31 of fastener 30 is stretched into board slot 20 to be located in the fastener jack 22 of notch 21 avris in advance, and the elasticity hook plate 323 by cap 321 bottoms is held with the button hole 221 phase buckles of fastener jack 22 inwalls, whole fastener can be quick mounting to location.

When applied board 10 inserts, the plate of board 10 is along stretching into through the passage 322 of cap 321 in the gap of two armed levers 311, and be inserted into behind location at board 10, by protruding button 312 correspondences of two armed lever 311 medial surfaces, buckle into board 10 in its plate along in the predefined breach 11 of institute, can produce and limit its lock being drawn out of effect of pulling board 10; Further, fastener 30 can be had a rubber elastomer characteristics for plastic material, when board 10 thickness are greater than the gap of two corresponding protruding buttons 312, by board 10 through the passage 322 of cap 321 go deep into protruding button 312 and under push away, and then two armed levers 311 expand outwardly with elasticity, until buckling into 11, two armed levers of board 10 breach, 311 tail end one curved arc shapes, the corresponding contact of protruding button 312 can resilience reset, and make protruding button 312 buckle into board 10 breach 11 location, can produce and limit its lock being drawn out of effect of pulling board 10.

If desired, only the cap of fastener 30 321 need be pressed towards the direction of board slot 20 bottoms, be forced two armed levers 311 of pintle hook lock portion 31 outwardly-bent, make the protruding button 312 of two armed lever 311 medial surfaces exit the breach 11 of board 10, can smoothly board 10 be extracted out.Thereby reach, assembling is easy, structure is comparatively solid and reliable, and the object that can significantly reduce manufacturing cost.Or, board 10 is also extracted out and can towards the reverse direction of board 10, be extrapolated in the cap 321 of fastener 30, make fastener 30 and board 10 be a gradient, make the protruding button 312 of two armed lever 311 medial surfaces exit the breach 11 of board 10, the board 10 of take is again axle center away from the another end of cap 321, board 10 is revolved to put on to draw it is exited.

Moreover, fastener 30 of the present utility model is when implementing, described fastener 30 can be formed with at the top of each protruding button 312 guide ramp 313 of a tool predetermined slant, make with under the gradient effect in guide ramp 313, make board 10 be inserted into smoothly location, use the ease of use that increases whole fastener 30.

It is worth mentioning that, no matter whether whole fastener 30 is formed with the guide ramp 313 of a tool predetermined slant at the top of each protruding button 312, when implementing, whole fastener 30 can be as shown in the 5th figure, what in the bottom of each protruding button 312, be formed with tool predetermined slant compresses inclined-plane 314, and the gradient that this gradient that compresses inclined-plane 314 is less than guide ramp 313 is good.Thereby can design through the inclined-plane 314 that compresses with gradient, compensate breach 11 height falls that may exist between different boards 10, make, with effect that the comparatively firm lock of applied board 10 generation is pulled, increases applicability and the practicality of whole fastener 30 simultaneously.

Compare with traditional existing structure, the disclosed fastener of the utility model can produce following effect.

Claims

1. A fastener, which is integrally injection molded by plastic material, is characterized in that the fastener comprises the following structures:

A locking part, located relatively below the integral fastener, has two arm bars extending at a predetermined distance, and at least one corresponding convex buckle is protruded from the inner surface of the two arm bars;

An assembly part, located relatively above the integral fastener, has a cap connected to the two arms, a passage through the two arms is provided at the cap, and at least An elastic hook board.

2 . The fastener according to claim 1 , wherein a guiding slope with a predetermined slope is formed on the top of each protruding buckle of the fastener. 3 .

3 . The fastener as claimed in claim 1 , wherein a pressing slope with a predetermined slope and smaller than the guiding slope is formed on the bottom of each protruding button of the fastener. 4 .

4. The fastener according to claim 1, wherein the fastener is formed with a guide slope with a predetermined slope on the top of each protruding button, and a guide slope with a predetermined slope is formed on the bottom of each protruding button. A pressing inclined surface whose slope is smaller than that of the guiding inclined surface.

5. The fastener according to any one of claims 1 to 4, characterized in that, the two arm tail ends of the locking portion are connected in a curved arc shape.

6. The fastener according to any one of claims 1 to 4, characterized in that, the fitting part is provided with a pair of elastic hook plates respectively arranged on the outer sides of the two arms at the bottom of the cap.