CN205902280U - Fixed device of PCB - Google Patents
Fixed device of PCB Download PDFInfo
- Publication number
- CN205902280U CN205902280U CN201620824390.9U CN201620824390U CN205902280U CN 205902280 U CN205902280 U CN 205902280U CN 201620824390 U CN201620824390 U CN 201620824390U CN 205902280 U CN205902280 U CN 205902280U
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- China
- Prior art keywords
- pcb plate
- nut
- pcb
- stay bolt
- plate
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Abstract
The utility model discloses a fixed device of PCB, including PCB board and fixed plate, set up the counter sink on the PCB board, counter sink and stay bolt cooperation to the stay bolt pierces through the PCB board, and in the thread end and the nut cooperation of stay bolt, the top of nut is equipped with the stopper, and track groove sliding fit on stopper and the fixed plate is equipped with the spring between nut and PCB board, and the spring is at compression state. The utility model discloses can keep the long -term fixation PCB board, the disappearance is not hard up perhaps to be rocked, improves reliability of an item, and whole device convenient operation can improve the installation effectiveness simultaneously.
Description
Technical field
The utility model is related to pcb board technology field, especially a kind of pcb board fixer.
Background technology
Pcb is the abbreviation of printed wiring board, generally the printed wiring on the insulating material, made by predetermined design, print
Element processed or the conductive pattern that both combine form printed circuit, and provide on insulating substrate and be electrically connected between components and parts
Conductive pattern, referred to as printed wiring.With the continuous development of electronic technology, pcb plate is to small-sized, multilayer, highly dense direction not
Disconnected advance.
At present in power electronics switch board, the fixation of pcb plate is typically by the general frame similar with pcb plate suqare
Formula support, to realize, using screw, pcb plate is fixed on support.If any polylith pcb plate, it need to be stacked placement.This kind
Support not only complex structure, and it is unfavorable for the radiating of pcb plate.It is required on present electronic product using pcb plate, sometimes
Also need to fix some other parts on pcb plate, the installation of these parts is all directly fixed using screw at present, screw
Fixation and dismount all cumbersome, inefficiency, and installation position on pcb plate for the screw is equipped with significant limitation,
Install so suitable position being difficult on pcb plate and being supplied to electronic component.Accordingly, it would be desirable to one kind is fixed conveniently, operates
Simple pcb board fixer.
Through retrieval, number of patent application is to disclose a kind of pcb board fixer in 201420466974.4, this device bag
Include pcb plate, interior counterbore and installing plate, below pcb plate, be provided with pedestal, in pedestal, be provided with screwed hole, be provided with spacing below pedestal
Block, is provided with limiting plate above installing plate, limiting plate is provided with bolt, and bolt lower end is provided with cushion block, and cushion block adopts rubber
Glue manufactures.This pcb board fixer is waited when mounted, and the limited block of pedestal lower end is stuck in limiting plate, realizes positioning,
Whole installation process rapid and convenient, improves installation effectiveness, using effect is good.But this device easily goes out in Long-Time Service
Now loosen, its fixed effect will be affected.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of fixing device of pcb plate, and this device can keep long
Phase fixes pcb plate, occurs without and loosens or rock, and improves the reliability of product, whole device is easy to operate simultaneously, can improve
Installation effectiveness.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of fixing device of pcb plate,
Including pcb plate and fixed plate it is characterised in that arranging counter sink on described pcb plate, described counter sink is coordinated with stay bolt,
And stay bolt penetrates pcb plate, coordinate in the end of thread and the nut of stay bolt, the top of nut is provided with limited block, described limit
Position block is slidably matched with the rail groove in fixed plate, is provided with spring, described spring is in compression shape between nut and pcb plate
State.By the use of stay bolt and nut as connector, bolt series connection pcb plate, nut is constrained in fixed plate to the utility model, and passes through
Spring is realized screw thread cooperation and is not loosened, and realizes being reliably connected.
Said structure is further qualified, described rail groove extends along along fixed plate width, and runs through fixing
Plate, the two ends of in rail groove are provided with the plug with rail groove form fit, and described plug is quality of rubber materials.For the side of processing
Just, rail groove is processed as outer little interior big strip, and in end compound rubber plug, realizes rail groove and limited block are joined
Close, position adjustment can be carried out in the direction of the width, it is to avoid the fixation problem producing because of hole position error simultaneously, in form spirit
Work is changeable.
Said structure is further qualified, described pcb plate is multiple-layer stacked, inter-adhesive between every layer, on pcb plate
Countersunk head in the hole be provided with bushing, the form fit of described bushing and counter sink.Bushing in the utility model is cooperation multilayer
Pcb plate and set up, and the seamless cooperation of countersunk head internal surface of hole on the pcb plate of multilayer form, increase the bonding strength between pcb flaggy,
Ensure to occur without dislocation at counter sink.
Said structure is further qualified, the threaded portion of described stay bolt is provided with the nut screwing therewith, described
Nut and stay bolt step up pcb plate.Increase nut and ensure that between multilayer pcb plate to be not in separate so as to be in use
One entirety.
Said structure is further qualified, described bushing is brass material, and tight with the inner surface of counter sink
Cooperation.Because multilayer pcb plate requires internal heat dissipating, therefore adopt brass material, improve heat between inside contact surface and distribute.
Said structure is further qualified, described counter sink is cylindricality counterbore.
Have the beneficial effects that using produced by technique scheme: the utility model is that pcb plate and fixed plate are passed through
Stay bolt is attached, and by the use of nut as transition piece, makes both form integrative-structure, and increases between nut and pcb plate
If spring, using the tight fit elastically keeping between stay bolt and nut of spring, prevent pcb plate and fixed plate from pine occurring
Dynamic, realize the fixation steady in a long-term of pcb plate, improve the usage cycles of product；It is multiple-layer stacked that the utility model considers pcb plate
Version, using inside counter sink on pcb plate increase bushing mode it is ensured that counter sink will not misplace or sandwich construction
Ftracture, in addition interlayer heat dissipation problem rationally can also be resolved by selecting bushing material.
Brief description
With reference to the accompanying drawings and detailed description the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is a-a cross-sectional view in Fig. 1；
Fig. 3 is the counter sink structural representation of pcb plate multiple-layer stacked in the utility model；
Fig. 4 is another kind of form that pcb plate and fixed plate connect；
Wherein: 1, pcb plate, 2, fixed plate, 3, stay bolt, 4, nut, 5, spring, 6, nut, 7, plug, 8, limited block,
9th, rail groove, 10, bushing.
Specific embodiment
With reference to the accompanying drawings and detailed description the utility model is described in further detail.
Embodiment one
1 understand with reference to the accompanying drawings, the utility model is specifically related to a kind of fixing device of pcb plate, including pcb plate 1 and fixation
Counter sink is arranged on plate 2, wherein pcb plate 1, counter sink is coordinated with the bolt head of stay bolt 3, and stay bolt 3 penetrates pcb plate
1, coordinate in the end of thread and the nut 6 of stay bolt 3, nut 6 is provided with the internal thread hole not led to, internal thread hole and stay bolt 3
External screw thread coordinates, and is provided with the limited block 8 of circle at the top of nut 6, and limited block 8 is integrated with nut 6, the diameter of limited block 8
More than the external diameter of nut 6, limited block 8 is placed in inside fixed plate 2, and is slidably matched with the rail groove 9 in fixed plate 2, in spiral shell
It is provided with spring 5, pcb plate 1 surface and the end face of nut 6 are withstood in the two ends of spring 5, and now spring 5 is between cap 6 and pcb plate 1
Compressive state, under spring force it is ensured that the internal thread of nut 6 is fitted close with the external screw thread of stay bolt 3, should not produce
Loosen.
Form a set of connection devices, this attachment means is distributed in pcb plate 1 between stay bolt 3 in said structure, nut 6
In fixed plate 2, form distributed fixed form.Attached Fig. 1 and 2 can see, four turnings on pcb plate 1 and fixed plate 2
Place is distributed with attachment means, and pcb plate 1 and fixed plate 2 are fixed as one, and forms the pcb board fixer in the utility model,
Convenient and reliable during use.
In the utility model, as shown in Figure 2, in order to easy to process, rail groove 9 is processed as outer little interior big strip
Shape, rail groove 9 extends along along fixed plate 2 width, and runs through fixed plate 2；The two ends of in rail groove 9 are provided with and rail groove 9
The plug 7 of form fit, plug 7 is quality of rubber materials, realizes the cooperation to rail groove and limited block, simultaneously can be in width
On carry out position adjustment, it is to avoid the fixation problem producing because of hole position error, in form flexible and changeable.
Said structure, when using, only need to penetrate stay bolt 3 the countersunk head in the hole of pcb plate 1, be inserted in spring 5 in the other end,
And nut 6 is fixing with stay bolt 3, then the limited block 9 on stay bolt 3 is penetrated in the rail groove 9 in fixed plate 2, two ends
Fixed plate 2 and the connection of pcb plate 1 can be completed using plug 7 closing.
Embodiment two
The present embodiment is on the basis of embodiment one it is contemplated that the version that is formed by stacking for multi-layer sheet of pcb plate 1,
The pcb plate of multi-layer sheet superposition requires to insulate between each layer and adhesion is tight, will consider that interlayer radiates simultaneously.Therefore, this enforcement
On the basis of embodiment one, the countersunk head in the hole on pcb plate 1 sets up bushing 10 to example, the form fit of bushing 10 and counter sink,
Bushing 10 is brass material, and is fitted close with the inner surface of counter sink.Set up in the threaded portion of stay bolt 3 and screw therewith
Nut 4, nut 4 and stay bolt 3 step up pcb plate 1, can avoid the problems referred to above to a certain extent.
Said structure before use, fills in bushing 10 in countersunk head in the hole, during use, also only needs to stay bolt 3 and penetrates pcb plate
After 1 counter sink, selected into nut 4 using instrument.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are all included in the same manner in scope of patent protection of the present utility model.
Claims (6)
1. a kind of fixing device of pcb plate, including pcb plate (1) and fixed plate (2) it is characterised in that on described pcb plate (1)
Setting counter sink, described counter sink is coordinated with stay bolt (3), and stay bolt (3) penetrates pcb plate (1), in stay bolt (3)
The end of thread and nut (6) coordinate, the top of nut (6) is provided with limited block (8), in described limited block (8) and fixed plate (2)
Rail groove (9) be slidably matched, be provided with spring (5) between nut (6) and pcb plate (1), described spring (5) is in compression
State.
2. a kind of fixing device of pcb plate according to claim 1 is it is characterised in that described rail groove (9) edge is fixing
Extend on plate (2) width, and run through fixed plate (2), the two ends of in rail groove (9) are provided with and rail groove (9) form fit
Plug (7), described plug (7) is quality of rubber materials.
3. a kind of fixing device of pcb plate according to claim 1 and 2 is it is characterised in that described pcb plate (1) is many
Stacking adds, and inter-adhesive between every layer, the countersunk head in the hole on pcb plate (1) is provided with bushing (10), described bushing (10) and countersunk head
The form fit in hole.
4. a kind of fixing device of pcb plate according to claim 3 is it is characterised in that the screw thread of described stay bolt (3)
Part is provided with the nut (4) screwing therewith, and described nut (4) and stay bolt (3) step up pcb plate (1).
5. a kind of fixing device of pcb plate according to claim 3 is it is characterised in that described bushing (10) is brass material
Matter, and be fitted close with the inner surface of counter sink.
6. a kind of fixing device of pcb plate according to claim 5 is it is characterised in that described counter sink sinks for cylindricality
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824390.9U CN205902280U (en) | 2016-08-02 | 2016-08-02 | Fixed device of PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620824390.9U CN205902280U (en) | 2016-08-02 | 2016-08-02 | Fixed device of PCB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205902280U true CN205902280U (en) | 2017-01-18 |
Family
ID=57783440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620824390.9U Active CN205902280U (en) | 2016-08-02 | 2016-08-02 | Fixed device of PCB |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205902280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018532A (en) * | 2019-05-30 | 2020-12-01 | 富士康(昆山)电脑接插件有限公司 | Independent crimping device and combination thereof |
| CN112837630A (en) * | 2021-03-04 | 2021-05-25 | 深圳市光祥科技股份有限公司 | LED module and LED display screen |
| CN113225904A (en) * | 2021-06-02 | 2021-08-06 | 苏州荣艺电子科技有限公司 | Spring magnetic high-temperature plate and assembling process thereof |
-
2016
- 2016-08-02 CN CN201620824390.9U patent/CN205902280U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018532A (en) * | 2019-05-30 | 2020-12-01 | 富士康(昆山)电脑接插件有限公司 | Independent crimping device and combination thereof |
| US11177191B2 (en) | 2019-05-30 | 2021-11-16 | Foxconn (Kunshan) Computer Connector Co., Ltd. | Rivet spacer for compromising assembling between two parts secured to each other via screw structure |
| CN112837630A (en) * | 2021-03-04 | 2021-05-25 | 深圳市光祥科技股份有限公司 | LED module and LED display screen |
| CN113225904A (en) * | 2021-06-02 | 2021-08-06 | 苏州荣艺电子科技有限公司 | Spring magnetic high-temperature plate and assembling process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511468, No. 41, Rong Dong Road, Tam Industrial East District, Dagang Town, Guangzhou, Guangdong, Nansha District Patentee after: Guangzhou hi tech Limited by Share Ltd Address before: 511468, No. 41, Rong Dong Road, Tam Industrial East District, Dagang Town, Guangzhou, Guangdong, Nansha District Patentee before: GUANGZHOU PANYU YUNSHENG PCB CO., LTD. |