CN201115140Y - Card holding component - Google Patents
Card holding component Download PDFInfo
- Publication number
- CN201115140Y CN201115140Y CNU2007201391192U CN200720139119U CN201115140Y CN 201115140 Y CN201115140 Y CN 201115140Y CN U2007201391192 U CNU2007201391192 U CN U2007201391192U CN 200720139119 U CN200720139119 U CN 200720139119U CN 201115140 Y CN201115140 Y CN 201115140Y
- Authority
- CN
- China
- Prior art keywords
- retainer
- circuit board
- casing
- clamping
- projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The utility model provides a buckle component for fixing a circuit board on a shell, which comprises a convex column and a buckle part. The convex column is fixedly arranged on the circuit board and faces the shell. The buckle part is pivoted on the shell and the middle part of buckle part is provided with a block opening corresponding to the convex column. The buckle part turns towards the circuit board and moves to a buckle position, so that the convex column of the circuit board is inserted into the block opening thereof. In this way, the circuit board can not move correspondingly to the shell and can be rapidly disassembled and assembled. The buckle component of the utility model can not only lead the disassembly and assembly of the circuit board to be more convenient, easier and rapider, but also overcome the part tolerance during the assembly.
Description
Technical field
The utility model relates to the circuit board fixation structure of electronic installation, particularly a kind of clamping and holding assembly that is used for fast circuit board being positioned casing, and this clamping and holding assembly can make the operation of dismounting circuit board easier and rapid.
Background technology
Usually all have many printed circuit board (PCB)s in the electronic installation, the motherboard in the computer system for example, this class printed circuit board (PCB) must be installed in the casing of electronic installation by fixing means.With regard to the electronic installation of popularizing on the market at present, its printed circuit board (PCB) great majority are to utilize screw locking mode to be fixed on the casing.
Common screw locking mode is to offer fixing hole in advance on printed circuit board (PCB), and also offer the screw corresponding to fixing hole on casing.Screw is passed the fixing hole of printed circuit board (PCB) earlier, and the user re-uses screwdriver screw is screwed in screw corresponding on the casing respectively then.So, just, can utilize screw that printed circuit board (PCB) is locked on the casing.The solid mode of this spiral shell must utilize instrument to screw or screw out screw when user's dismounting printed circuit board (PCB), can assemble or dismantle printed circuit board (PCB).If just there is not corresponding instrument on hand, just can't the dismounting printed circuit board (PCB), very inconvenience in the use.On the other hand, because the screw quantity that must lock is a lot, cause the redundant and complicated operation and the time and effort consuming of dismounting printed circuit board (PCB).
For solve must collocation tool can the dismounting screw problem, occurred on the market the THUMB SCREWS (thumb screw) of screw improvement for can directly rotating with finger, with reduce on hand just can't disassemble printed circuit board as if no instrument puzzlement.As shown in Figure 1, it is fixed in circuit board 20 for general application THUMB SCREWS 60 schematic diagram of casing 10.Have a plurality of reference columns 11 and a screw 61 on the casing 10, wherein the stage casing of each reference column 11 offers a groove 111.Circuit board 20 offers a plurality of location holes 21 corresponding to reference column 11.Each location hole 21 is the cucurbit shape and has one wide section 211 and one narrow section 212, and the front end of reference column 11 passes location hole 21 via wide section 211.So, circuit board 20 just can slide on casing 10 by reference column 11, makes narrow section 212 groove 11 that embeds reference column 11 of location hole 21.Afterwards,, just circuit board 20 can be fixed on the casing 10, to fix by location hole 21 and casing 10 clips as long as THUMB SCREWS 60 is passed circuit board 20 and screws in screw 61.But the user still needs to rotate THUMB SCREWS 60 and locks, and still has the problem of time and effort consuming to exist.In addition, the cost of THUMB SCREWS is also high than general screw with cost.
Summary of the invention
The circuit board of electronic installation is positioned on the casing by screw mostly in the prior art, and not only time and effort consuming also needs collocation tool to use.Though and THUMB SCREWS is without collocation tool, but time and effort consuming and cost are higher.In view of this, main purpose of the present utility model is to provide a kind of movable assembly that fixes, and is fixed in the problem that casing is faced to solve circuit board in the solid mode of spiral shell.
For solving aforesaid problem, the utility model provides a kind of clamping and holding assembly, and in order to a circuit board is positioned on the casing, wherein clamping and holding assembly comprises a projection and a retainer.Projection is fixedly arranged on a side of circuit board, and in the face of casing.Retainer has two axostylus axostyles, and each axostylus axostyle pivot is respectively worn two relative lugs on the casing, thus retainer is hubbed at casing.Retainer can utilize axostylus axostyle on lug with respect to the casing displacement, the tolerance of projection and retainer when overcoming populated circuit board.Be equiped with a flexible member between the axostylus axostyle of retainer one side and its lug that wears, this flexible member is under normal conditions towards another lug pushing and pressing retainer.The stage casing of retainer has a snap openings corresponding to projection, and wherein retainer is held the position in order to rotate and to move to a button towards circuit board, makes the projection of circuit board embed its snap openings, and circuit board can't be moved with respect to casing.
In sum, the utility model provides a kind of clamping and holding assembly, in order to a circuit board is positioned it is characterized in that on the casing that this clamping and holding assembly comprises: a projection, be fixedly arranged on this circuit board, and in the face of this casing; And a retainer, be hubbed at this casing, and have a snap openings corresponding to this projection, wherein this retainer turns to a button towards this circuit board and holds the position, makes this projection embed this snap openings.
Preferably, this clamping and holding assembly also comprises: two lugs extend to this circuit board from this casing respectively, and described two lugs face one another; And two axostylus axostyles, extend to described lug from this retainer respectively, and pivot is through at each described lug respectively.
Preferably, the spacing of described lug is greater than the distance of described axostylus axostyle bottom, makes this retainer can be with respect to this casing displacement on described lug.
Preferably, this clamping and holding assembly also comprises a flexible member, and this flexible member is installed between the lug in this retainer and the described lug, pushes against this retainer with another lug in the described lug under normal conditions.
Preferably, this flexible member be one the compression spring, its be sheathed on described axostylus axostyle one of them.
Preferably, this retainer has a control part, rotates thereby this control part drives this retainer in order to be struck.
Preferably, this retainer has an elastic rib, and this elastic rib is positioned at a side of this snap openings, and holds this projection in order to button when this projection embeds this snap openings.
Preferably, this retainer has a stop tab, and this stop tab extends the edge of this snap openings, and the front end of this projection has a collar flange, and this stop tab is in order to catch on this collar flange when this projection embeds this snap openings.
The beneficial effects of the utility model are, retainer rotation and its snap openings fasten the projection on the circuit board, make circuit board can't break away from casing, and the also rotatable projection that discharges of retainer, wherein retainer can be with respect to the casing displacement, not only can make the operation of dismounting circuit board easier and rapid thus, the part tolerance in the time of also can overcoming assembling.
Below in execution mode, be described in detail detailed features of the present utility model and advantage, its content is enough to make those skilled in the art to understand technology contents of the present utility model and implements according to this, and according to the disclosed content of this specification, claims and accompanying drawing, those skilled in the art can understand aforementioned purpose of the present utility model and advantage easily.
More than about the explanation of the explanation of the utility model content and following execution mode in order to demonstration with explain principle of the present utility model, and provide further explanation to claims of the present utility model.
Description of drawings
Fig. 1 is the three-dimensional exploded view of known technology middle finger screw, circuit board and casing.
Fig. 2 is the three-dimensional exploded view of circuit board and casing among the utility model first embodiment.
Fig. 3 is the three-dimensional exploded view of retainer and casing among the utility model first embodiment.
Fig. 4 is the schematic perspective view of retainer and casing among the utility model first embodiment.
Fig. 5 is positioned at wide section vertical view of location hole for the reference column of casing among the utility model first embodiment.
Fig. 6 is positioned at narrow section vertical view of location hole for the reference column of casing among the utility model first embodiment.
Fig. 7 does not detain the schematic perspective view of holding projection as yet for retainer among the utility model first embodiment.
Fig. 8 holds the schematic perspective view that the position button is held projection for retainer among the utility model first embodiment at button.
Fig. 9 is the three-dimensional exploded view of circuit board and casing among the utility model second embodiment.
Figure 10 is the schematic perspective view of circuit board and projection among the utility model second embodiment.
Figure 11 is the schematic perspective view of retainer and casing among the utility model second embodiment.
Figure 12 does not detain the schematic perspective view of holding projection as yet for retainer among the utility model second embodiment.
Figure 13 holds the schematic perspective view that projection is caught in the position for retainer among the utility model second embodiment at button.
Wherein, description of reference numerals is as follows:
10 casings, 11 reference columns, 111 grooves 12 are worn groove
211 wide sections of 13 lugs, 20 circuit boards, 21 location holes
212 narrow sections 22 projection 221 collar flanges 30 retainers
31 control parts, 32 elastic ribs, 33 snap openings, 34 flexible members
35 axostylus axostyles, 36 stop tab, 60 THUMB SCREWSs, 61 screws
Embodiment
For the purpose of this utility model, structure, feature and function thereof are had further understanding, now cooperate embodiment to be described in detail as follows.
See also Fig. 2, Fig. 3 and shown in Figure 4, a kind of clamping and holding assembly that it provides for the utility model first embodiment, this clamping and holding assembly include a projection 22 and a retainer 30.This clamping and holding assembly is applied to an electronic installation, for example personal computer, server or the like, and wherein electronic installation has a casing 10 and a circuit board 20.Clamping and holding assembly is in order to provide a location mechanism, make circuit board 20 can be on casing 10 slide relative, so that circuit board 20 is fixed on the casing 10, perhaps promptly disassemble from casing 10.
See also Fig. 2, Fig. 5 and shown in Figure 6, have a plurality of reference columns 11, on the casing 10 and wear groove 12 and two lugs 13, wherein the quantity of reference column 11 can increase and decrease according to actual state, but is embodiment with four reference columns 11 only in the utility model.Reference column 11 is arranged at the surface of casing 10, and the stage casing of each reference column 11 offers a groove 111.Each lug 13 extends to circuit board 20 from the surface of casing 10 respectively, and is positioned at two opposed edges of wearing groove 12, and faces one another.Circuit board 20 can be the motherboard of aforementioned electronic, and offers a plurality of location holes 21 and a projection 22 on the circuit board 20.Each location hole 21 position and quantity are set corresponding to reference column 11, projection 22 the position is set then corresponding to wearing groove 12.Projection 22 is fixedly arranged on a side of circuit board 20, and in the face of casing 10.
Each location hole 21 has one wide section 211 and one narrow section 212 respectively, and wide section 211 aperture is greater than the external diameter of reference column 11 front ends, makes each reference column 11 can pass wide section 211 of each location hole 21.Narrow section 212 aperture of location hole 21 is less than the external diameter of reference column 11 front ends, but is slightly larger than the external diameter of groove 111, makes narrow section 212 edge of location hole 21 can embed the groove 111 of reference column 11.Therefore, circuit board 20 can slide at casing 10 upper edges one bonding position by reference column 11, makes location hole 21 embed the groove 111 of reference column 11, thereby fixes by location hole 21 and casing 10 clips.On the contrary, circuit board 20 also can slide in casing 10 upper edges one release direction by reference column 11, makes location hole 21 withdraw from the groove 111 of reference column 11, thereby circuit board 20 can be disassembled from casing 10.
Please consult Fig. 3, Fig. 4 and shown in Figure 7 again, retainer 30 is hubbed on the casing 10, and is provided with corresponding to the groove 12 of wearing of casing 10.Retainer 30 includes a control part 31, an elastic rib 32, a snap openings 33, a flexible member 34 and two axostylus axostyles 35.
Two axostylus axostyles 35 are formed at the stage casing and the front end of retainer 30 respectively, and extend from retainer each lug 13 to casing 10 respectively.Each axostylus axostyle 35 pivot respectively is through at corresponding lug 13, and retainer 30 can be rotated with respect to casing 10 on lug 13.The spacing of two lugs 13 is slightly larger than the distance of two axostylus axostyle 35 bottoms (joints of axostylus axostyle 35 and retainer 30 bodies), makes retainer 30 do small size displacement with respect to casing 10 on lug 13.Flexible member 34 can be but is not limited to a compression spring, and it is installed between the front end of retainer 30 and the lug 13 (being positioned at the lug 13 that 35 pivots of axostylus axostyle of retainer 30 front ends are worn), and is sheathed on the axostylus axostyle 35 of retainer 30 front ends.Flexible member 34 is in order to providing an elastic force, and under normal conditions towards another lug 13 (being positioned at the lug 13 that 35 pivots of axostylus axostyle in retainer 30 stage casings are worn) pushing and pressing retainer 30.Control part 31 is formed at retainer 30 and with respect to flexible member 34 other end of end is set, and is positioned at the outside of circuit board 20, thereby wherein control part 31 drives retainer 30 with respect to casing 10 rotations in order to be struck.Snap openings 33 is formed at the stage casing of retainer 30, and is provided with corresponding to projection 22, and wherein snap openings 33 embeds in order to the projection 22 of power circuit board 20, and circuit board 20 is positioned.Elastic rib 32 is formed at a side of snap openings 33, and wherein elastic rib 32 can be pushed by projection 22 and produce flexural deformation, and holds projection 22 in order to button when projection 22 embeds snap openings 33.
As Fig. 2, Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8, when user's desire is assembled to casing 10 with circuit board 20, must earlier the location hole 21 of circuit board 20 be aimed at the reference column 11 of casing 10, then make each reference column 11 pass circuit board 20 via wide section 211 of each location hole 21, so, circuit board 20 just can move on casing 10 by reference column 11.Then, circuit board 20 is promoted towards aforementioned bonding position, make narrow section 212 edge of each location hole 21 embed the groove 111 of each reference column 11, so, circuit board 20 just can't break away from casing 10 up.
Then, stir the control part 31 of retainer 30, make retainer 30 rotate and move to a button and hold position (Fig. 8) towards circuit board 20.In retainer 30 rotating process, the projection 22 of circuit board 20 pushes elastic ribs 32 and embeds in the snap openings 33, and the front end of retainer 30 while compression elastic element 34, make retainer 30 produce micro displacement, and projection 22 can successfully be embedded in the snap openings 33.So, just finish the operation that circuit board 20 is assembled to casing 10, make circuit board 20 be subject to each reference column 11 and retainer 30, and can't move with respect to casing 10.On the contrary, when user's desire with circuit board 20 when casing 10 disassembles, as long as oppositely stir the control part 31 of retainer 30, make the projection 22 of circuit board 20 withdraw from the snap openings 33 of retainer 30, promote circuit board 20 towards aforementioned release direction then, reference column 11 narrow section 212 from location hole 21 can be withdrawed from, circuit board 20 can be disassembled from casing 10.
Extremely shown in Figure 13 as Fig. 9, the clamping and holding assembly that it provides for the utility model second embodiment, it includes a projection 22 and a retainer 30.The main difference part of the present embodiment and first embodiment is: the front end of projection 22 has a collar flange 221; A side that reaches snap openings 33 has a stop tab 36, and wherein stop tab 36 extends the edge of snap openings 33, and has breach on the stop tab 36.In addition, the embodiment of present embodiment is roughly identical with first embodiment.
When user's desire is assembled to casing 10 with circuit board 20, must earlier the location hole 21 of circuit board 20 be aimed at the reference column 11 of casing 10, make each reference column 11 pass circuit board 20 via wide section 211 of each location hole 21 then, so, circuit board 20 just can move on casing 10 by reference column 11.Then, circuit board 20 is promoted towards aforementioned bonding position, make narrow section 212 edge of each location hole 21 embed the groove 111 of each reference column 11.Next step stirs the control part 31 of retainer 30, makes retainer 30 rotate and move to a button towards circuit board 20 and holds position (Figure 13).In retainer 30 rotating process, the projection 22 of circuit board 20 is pushed the breach of stop tab 36 with embedding stop tab 36, and collar flange 221 is embedded in the snap openings 33.Simultaneously, the front end compression elastic element 34 of retainer 30 makes retainer 30 produce micro displacement, and the collar flange 221 of projection 22 can successfully be embedded in the snap openings 33.So, just finish the operation that circuit board 20 is assembled to casing 10, make circuit board 20 be subject to each reference column 11 and retainer 30, and can't move with respect to casing 10.On the contrary, when user's desire with circuit board 20 when casing 10 disassembles, as long as oppositely stir the control part 31 of retainer 30, make the collar flange 221 of the projection 22 of circuit board 20 withdraw from the snap openings 33 of retainer 30, promote circuit board 20 towards aforementioned release direction then, reference column 11 narrow section 212 from location hole 21 can be withdrawed from, make the circuit board 20 can be by disassembling on the casing 10.
The beneficial effects of the utility model are, retainer 30 rotates and fastens projection 22 on the circuit board 20 with its snap openings 33, make circuit board 20 can't break away from casing 10, and the also rotatable projection 22 that discharges of retainer 30, wherein retainer 30 can be with respect to casing 10 displacements, so not only can make the operation of dismounting circuit board 20 easier and rapid, the part tolerance in the time of also can overcoming assembling.
Though the utility model discloses as above with aforesaid embodiment, it is not in order to limit the utility model.The change of carrying out in not breaking away from design of the present utility model and scope all is included in the scope of patent protection of the present utility model with modification.Please refer to appending claims about the protection range that the utility model defined.
Claims (8)
1. clamping and holding assembly, in order to a circuit board is positioned it is characterized in that on the casing that this clamping and holding assembly comprises:
One projection is fixedly arranged on this circuit board, and in the face of this casing; And
One retainer is hubbed at this casing, and has a snap openings corresponding to this projection, and wherein this retainer can turn to a button that makes this projection embed this snap openings towards this circuit board and hold the position.
2. clamping and holding assembly as claimed in claim 1 is characterized in that, this clamping and holding assembly also comprises:
Two lugs extend to this circuit board from this casing respectively, and described two lugs face one another; And
Two axostylus axostyles extend to described lug from this retainer respectively, and pivot is through at each described lug respectively.
3. clamping and holding assembly as claimed in claim 2 is characterized in that, the spacing of described lug is greater than the distance of described axostylus axostyle bottom, and this retainer can be with respect to this casing displacement on described lug.
4. clamping and holding assembly as claimed in claim 3, it is characterized in that, this clamping and holding assembly also comprises a flexible member, and this flexible member is installed between the lug in this retainer and the described lug, and another lug in the described lug pushes against this retainer under normal conditions.
5. clamping and holding assembly as claimed in claim 4 is characterized in that, this flexible member be one the compression spring, its be sheathed on described axostylus axostyle one of them.
6. clamping and holding assembly as claimed in claim 1 is characterized in that, this retainer has one can drive the control part that this retainer rotates by stirring.
7. clamping and holding assembly as claimed in claim 1 is characterized in that this retainer has an elastic rib, and this elastic rib is positioned at a side of this snap openings, and button is held this projection when this projection embeds this snap openings.
8. clamping and holding assembly as claimed in claim 1, it is characterized in that this retainer has a stop tab, this stop tab extends the edge of this snap openings, and the front end of this projection has a collar flange, and this stop tab can catch on this collar flange when this projection embeds this snap openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201391192U CN201115140Y (en) | 2007-08-21 | 2007-08-21 | Card holding component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201391192U CN201115140Y (en) | 2007-08-21 | 2007-08-21 | Card holding component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201115140Y true CN201115140Y (en) | 2008-09-10 |
Family
ID=39966893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201391192U Expired - Lifetime CN201115140Y (en) | 2007-08-21 | 2007-08-21 | Card holding component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201115140Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778544B (en) * | 2009-01-09 | 2013-06-12 | 华硕电脑股份有限公司 | Electronic device |
-
2007
- 2007-08-21 CN CNU2007201391192U patent/CN201115140Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778544B (en) * | 2009-01-09 | 2013-06-12 | 华硕电脑股份有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |
|
| CX01 | Expiry of patent term |