CN205621635U - Keyboard assembling jig - Google Patents
Keyboard assembling jig Download PDFInfo
- Publication number
- CN205621635U CN205621635U CN201620224466.4U CN201620224466U CN205621635U CN 205621635 U CN205621635 U CN 205621635U CN 201620224466 U CN201620224466 U CN 201620224466U CN 205621635 U CN205621635 U CN 205621635U
- Authority
- CN
- China
- Prior art keywords
- locating dowel
- printed circuit
- pallet
- circuit board
- assembled fixture
- 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 - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 45
- 239000010409 thin film Substances 0.000 claims description 38
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 239000005041 Mylar™ Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a keypad equipment tool. The keyboard assembling jig comprises a tray, the tray is provided with at least one assembling position used for assembling a printed circuit board and a metal dome film, a plurality of positioning columns are arranged at the inner bottom of the tray corresponding to each assembling position, and the plurality of positioning columns are used for penetrating through positioning holes correspondingly formed in the printed circuit board and the metal dome film. Adopt this dome of key dish equipment tool equipment dome film and printed circuit board, compare prior art, can improve the precision of dome film and printed circuit board equipment, and then can improve the sensitivity of electronic equipment button.
Description
Technical field
This utility model relates to technical field of electronic equipment, particularly relates to a kind of keypad assembled fixture.
Background technology
With the electronic equipment of keypad, such as remote controller, inside it, it is usually provided with printed circuit board and pot
Young sheet thin film.Metal dome thin film is one piece is fixed with the mylar of metal dome (also referred to as metal clips), pot
After young sheet thin film assembles with printed circuit board, metal dome is relative with the circuit position on printed circuit board.When with
Family push button certain button in dish time, the central dip of the metal dome below this button, thus with printing
Circuit board contacts, by the circuit turn-on on printed circuit board, now electronic equipment performs the merit that this button is corresponding
Can operation；When user unclamps this button, upspring in the center of the metal dome below this button, thus with printing
Circuit board disengages, and is disconnected by the circuit on printed circuit board, and now electronic equipment stops performing this button
Corresponding feature operation.
In prior art, the mylar of metal dome thin film is provided with viscous layer, can be by by this viscous layer
Metal dome is fixed on the commitment positions of printed circuit board.But, during actual assembled, metal dome is thin
Film is difficult to ensure that with the stickup positioning accurate accuracy of printed circuit board, and metal dome often deviates printed circuit board
Commitment positions, thus cause the susceptiveness of button poor, even there will be the phenomenon of button malfunction.
Utility model content
The purpose of this utility model embodiment is to provide a kind of keypad assembled fixture, to improve metal dome thin film
The precision assembled with printed circuit board, and then improve the susceptiveness of electronic equipment button.
This utility model embodiment provides a kind of keypad assembled fixture, and including pallet, described pallet has
At least one is used for assemble printed circuit boards and the assembling position of metal dome thin film, and the inner bottom of described pallet is corresponding every
Individual assembling position is provided with several locating dowels, and several locating dowels described are for young through printed circuit board and pot
The corresponding hole, location offered on sheet thin film.
Optionally, the corresponding each assembling position of the inner bottom of described pallet is provided with four locating dowels, determines for described four
Position post arrangement arranges in two row two.
Optionally, described locating dowel and described pallet are formed in one structure.
It is also preferred that the left the corresponding each locating dowel of described pallet has installing hole, described locating dowel is fixed on correspondence
In installing hole.
Optionally, described locating dowel and corresponding installing hole elastic conjunction；Or, described locating dowel is with corresponding
Installing hole thread connection；Or, described locating dowel is bonding with corresponding installing hole.
Optionally, described locating dowel includes triangle locating dowel, circular locating dowel, oval locating dowel or many
Limit shape locating dowel.
Preferably, the top of described locating dowel has chamfering, or, the top of described locating dowel has guiding
Frustum.
It is also preferred that the left described printed circuit board has electronic devices and components, described pallet towards the side of pallet inner bottom
Inner bottom there is the recessed groove of accommodating described electronic devices and components.
It is also preferred that the left described assembling position at least two, printed circuit board corresponding to adjacent assembling position is connected,
Metal dome thin film corresponding to adjacent assembling position is separated.
Preferably, the dish of described pallet is along having at least one breach extending to try to get to the heart of a matter.
It is also preferred that the left trying to get to the heart of a matter of described pallet has at least one lightening hole.
Keypad assembled fixture assemble printed circuit boards and the metal dome of the offer of this utility model embodiment are provided
The process of thin film is: what printed circuit board was placed in pallet assembles position accordingly, makes several location of assembling position
Post is through the hole, location offered corresponding on printed circuit board；Metal dome thin film is placed in the corresponding assembling of pallet
Position, makes several locating dowels of assembling position through the hole, location offered corresponding on metal dome thin film, and at this moment pot is young
Sheet thin film and printed circuit board exactitude position；Metal dome thin film is pasted assembling with printed circuit board.Using should
Keypad assembled fixture assembles metal dome thin film and printed circuit board, compared to existing technology, can improve pot young
The precision that sheet thin film assembles with printed circuit board, and then the susceptiveness of electronic equipment button can be improved.
Accompanying drawing explanation
Fig. 1 is an embodiment keypad assembled fixture, printed circuit board and metal dome thin film exploded perspective view；
Fig. 2 is an embodiment keypad assembled fixture schematic perspective view；
Fig. 3 is enlarged diagram at the A of Fig. 2；
Fig. 4 is another embodiment keypad assembled fixture schematic top plan view.
Reference:
1-pallet
2-printed circuit board
3-metal dome thin film
30-metal dome
10-assembles position
11-locating dowel
21,31-positions hole
110-chamfering
12-recessed groove
13-breach
14-lightening hole
Detailed description of the invention
For improving the precision that metal dome thin film assembles with printed circuit board, and then improve electronic equipment button
Susceptiveness, this utility model embodiment provides a kind of keypad assembled fixture.For making mesh of the present utility model
, technical scheme and advantage clearer, by the following examples to this utility model make the most specifically
Bright.
As depicted in figs. 1 and 2, the keypad assembled fixture that this utility model one embodiment provides, including torr
Dish 1, pallet 1 has at least one assembling position 10 for assemble printed circuit boards 2 and metal dome thin film 3,
The corresponding each assembling position 10 of the inner bottom of pallet 1 is provided with several locating dowels 11, and several locating dowels 11 are used
In the hole, location 21,31 offered corresponding on printed circuit board 2 and metal dome thin film 3.
The keypad assembled fixture using this utility model embodiment to provide assembles printed circuit 2 and metal dome is thin
The process of film 3 is:
Step one, printed circuit board 2 is placed in the corresponding of pallet 1 assembles position 10, if making assembling position 10
Dry locating dowel 11 is through the hole, location 21 offered corresponding on printed circuit board 2；
Step 2, metal dome thin film 3 is placed in the corresponding of pallet 1 assembles position 10, if making assembling position 10
Dry locating dowel 11 is through the hole, location 31 offered corresponding on metal dome thin film 3, at this moment metal dome thin film 3
On each metal dome 30 relative with the circuit position of correspondence position on printed circuit board 2, metal dome thin film 3
With printed circuit board 2 exactitude position；
Step 3, metal dome thin film 3 and printed circuit board 2 are pasted assembling；
Step 4, the assembly of metal dome thin film 3 with printed circuit board 2 is taken out from pallet 1.
This keypad assembled fixture is used to assemble metal dome thin film and printed circuit board, compared to existing technology, can
To improve the precision that metal dome thin film assembles with printed circuit board, and then electronic equipment button can be improved
Susceptiveness.
Wherein, the material of pallet 1 does not limits, and can use bakelite material.The particular number assembling position 10 does not limits,
For example, it is possible to be one, two or more.The particular number of the locating dowel 11 of each assembling position 10 is not
Limit, in order to printed circuit board 2 and metal dome thin film 3 exactitude position and be easy to assembly operation, locating dowel
11 are preferably two to four.As depicted in figs. 1 and 2, in this embodiment, pallet 1 has four and assembles position
10, these four assemble position 10 and are arranged side by side, and each assembling position 10 is provided with four locating dowels 11, in two row
Two row arrangements.
As it is shown in figure 1, in a preferred embodiment of the present utility model, assemble position 10 at least two,
The printed circuit board 2 of adjacent assembling position 10 correspondence is connected, the metal dome thin film of adjacent assembling position 10 correspondence
3 are separated.For improving packaging efficiency, the big plate comprising multiple printed circuit board 2 is permissible after completing
Wouldn't cutting, but carry out cutting again after pending complete follow-up assembling procedure.
Printed circuit board 2 is generally of electronic devices and components (not shown) towards the side of pallet 1 inner bottom,
As it is shown in figure 1, the inner bottom of pallet 1 has the recessed groove 12 of holding electronic components and parts.So, printed circuit
Plate 2 can recline smoothly with pallet 1 inner bottom, is more beneficial for improving metal dome thin film 3 and printed circuit board
2 precisions assembled,
In this utility model embodiment, optionally, locating dowel 11 and pallet 1 are formed in one structure；
But it is preferable that for ease of processing and minimizing tool cost, the corresponding each locating dowel 11 of pallet 1 has installation
Hole (not shown), locating dowel 11 is fixed in the installing hole of correspondence.Optionally, locating dowel 11 with
Corresponding installing hole elastic conjunction；Or, locating dowel 11 and corresponding installing hole thread connection；Or,
Locating dowel 11 is bonding with corresponding installing hole.The concrete shape of locating dowel 11 does not limits, such as, can be triangle
Shape locating dowel, circular locating dowel, oval locating dowel or polygon locating dowel, etc..As it is shown on figure 3,
The top of locating dowel 11 has chamfering 110, and the top of locating dowel 11 can also have guiding frustum in addition,
So can reduce printed circuit board 2 and the scratch of metal dome thin film 3, and chamfering 110 or guide cone
Platform has guide effect, it is simple to the location of printed circuit board 2 and metal dome thin film 3 and locating dowel 11 assembles.
As depicted in figs. 1 and 2, the dish of pallet 1 is along having at least one breach 13 extending to try to get to the heart of a matter.Should
Conceptual design is easy to assembly operation, after printed circuit board 2 and metal dome thin film 3 assemble, and can be by
Assembly is taken out in being placed in this breach 13 bottom pallet 1 by hands easily.Additionally, arrange this breach 13
The weight of tool can also be alleviated, consequently facilitating tool picks and places.As shown in Figure 4, in the preferred embodiment,
Trying to get to the heart of a matter of pallet 1 also has at least one lightening hole 14.Design lightening hole 14 can alleviate the weight of tool,
Consequently facilitating tool picks and places.
Obviously, those skilled in the art can carry out various change and modification to this utility model and not take off
From spirit and scope of the present utility model.So, if these amendments of the present utility model and modification belong to this
Utility model right requires and within the scope of equivalent technologies, then this utility model is also intended to comprise these and changes
Move and including modification.
Claims (11)
1. a keypad assembled fixture, it is characterised in that include that pallet, described pallet have at least
The individual assembling position for assemble printed circuit boards and metal dome thin film, the corresponding each assembling of the inner bottom of described pallet
Position is provided with several locating dowels, and several locating dowels described are for through printed circuit board and metal dome thin film
The hole, location that upper correspondence is offered.
2. keypad assembled fixture as claimed in claim 1, it is characterised in that the inner bottom of described pallet
Corresponding each assembling position is provided with four locating dowels, and described four locating dowels arrangement arranges in two row two.
3. keypad assembled fixture as claimed in claim 1, it is characterised in that described locating dowel and institute
State pallet to be formed in one structure.
4. keypad assembled fixture as claimed in claim 1, it is characterised in that described pallet is corresponding every
Individual locating dowel has installing hole, and described locating dowel is fixed in the installing hole of correspondence.
5. keypad assembled fixture as claimed in claim 4, it is characterised in that described locating dowel is with right
The installing hole elastic conjunction answered；Or, described locating dowel and corresponding installing hole thread connection；Or, institute
State locating dowel bonding with corresponding installing hole.
6. keypad assembled fixture as claimed in claim 1, it is characterised in that described locating dowel includes
Triangle locating dowel, circular locating dowel, oval locating dowel or polygon locating dowel.
7. keypad assembled fixture as claimed in claim 1, it is characterised in that the top of described locating dowel
Portion has chamfering, or, the top of described locating dowel has guiding frustum.
8. keypad assembled fixture as claimed in claim 1, it is characterised in that described printed circuit board
Have electronic devices and components towards the side of pallet inner bottom, the inner bottom of described pallet has accommodating described electronics unit device
The recessed groove of part.
9. keypad assembled fixture as claimed in claim 1, it is characterised in that described assembling position is at least
Being two, printed circuit board corresponding to adjacent assembling position is connected, the metal dome thin film that adjacent assembling position is corresponding
It is separated.
10. the keypad assembled fixture as described in any one of claim 1～9, it is characterised in that described torr
The dish of dish is along having at least one breach extending to try to get to the heart of a matter.
11. keypad assembled fixtures as claimed in claim 10, it is characterised in that the dish of described pallet
The end, has at least one lightening hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224466.4U CN205621635U (en) | 2016-03-21 | 2016-03-21 | Keyboard assembling jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620224466.4U CN205621635U (en) | 2016-03-21 | 2016-03-21 | Keyboard assembling jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205621635U true CN205621635U (en) | 2016-10-05 |
Family
ID=57031972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620224466.4U Expired - Fee Related CN205621635U (en) | 2016-03-21 | 2016-03-21 | Keyboard assembling jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205621635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914076A (en) * | 2016-03-21 | 2016-08-31 | 珠海格力电器股份有限公司 | Keyboard assembling jig and keyboard assembling method |
-
2016
- 2016-03-21 CN CN201620224466.4U patent/CN205621635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914076A (en) * | 2016-03-21 | 2016-08-31 | 珠海格力电器股份有限公司 | Keyboard assembling jig and keyboard assembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 |