CN208044029U - A kind of PCB tact switch measurement jig - Google Patents
A kind of PCB tact switch measurement jig Download PDFInfo
- Publication number
- CN208044029U CN208044029U CN201820508308.0U CN201820508308U CN208044029U CN 208044029 U CN208044029 U CN 208044029U CN 201820508308 U CN201820508308 U CN 201820508308U CN 208044029 U CN208044029 U CN 208044029U
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- China
- Prior art keywords
- switch
- middle plate
- thimble
- pcb
- panel
- 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
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- 238000005259 measurement Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000007689 inspection Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model provides a kind of PCB tact switch measurement jig, including：Rack；Panel on rack；Middle plate right over panel is connected between the middle plate and panel by more first limited posts moving up and down；Top plate right over middle plate is connected between the top plate and middle plate by more parallel arrangement of support columns；Switch thimble on middle plate, face is arranged the switch thimble up and down with the touch-switch on pcb board, and the switch thimble includes signal output section, sleeve, pars contractilis and contact site；Mounted on middle plate lower surface and positioned at the pressure bar of switch thimble side.Compared to traditional hand inspection, this PCB tact switch measurement jig not only substantially increases PCB tact switch detection speed, but also detection quality greatly improved, and can prevent the appearance of the unqualified situation such as missing part in touch-switch, failed part.
Description
Technical field
The utility model is related to PCB detection technique fields, and in particular to a kind of PCB tact switch measurement jig.
Background technology
Printed circuit-board assembly：PrintedCircuitBoardAssembly, referred to as PCB.It is tested in the ICT of PCB
In, the detection of touch-switch is a blind spot, i.e., undetectable component leads to the PCB for constantly having touch-switch missing part, failed part
Plate is delivered to client, causes customer complaint.It is most in industry at present to use Manual Visual Inspection, part missing part can be detected, still
It is difficult to detect failed part；Also there is the method that part of the manufacturer uses functional test and manually combined by touch-switch two ways
Missing part, the failed part on touch-switch are detected, but this mode cost is of high cost, detection efficiency is unstable, is equally easy to make
At there is the case where missing part, failed part in touch-switch.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of PCB tact switch measurement jig, using independently setting
The switch thimble of meter, by the pressing that switch dome is directed to touch-switch so that touch-switch is switched to by original open-circuit condition
Off state, according to ICT industry open-short circuit principles, realizing can in the posies ICT in the case of the missing part of touch-switch, failed part
It surveys.
For realization above-mentioned technical proposal, the utility model provides a kind of PCB tact switch measurement jig, including：Rack；
Panel on rack is provided with pcb board locating slot on the panel；Middle plate right over panel, in described
It is connected by more first limited posts moving up and down between plate and panel；Top plate right over middle plate, the top
It is connected by more parallel arrangement of support columns between plate and middle plate；Switch thimble on middle plate, the switch thimble
It is arranged with face above and below the touch-switch on pcb board, the switch thimble includes signal output section, sleeve, pars contractilis and contact
Portion, the sleeve are fixed on middle plate, and pars contractilis is mounted in sleeve, and signal output section is arranged in the top of pars contractilis, contact
Portion is arranged in the bottom of pars contractilis；Mounted on middle plate lower surface and positioned at the pressure bar of switch thimble side.
Preferably, the signal output section on the switch thimble is connect by conducting wire with test computer.
Preferably, the second limited post is provided between the panel and rack.
Preferably, the contact site bottom is set as the concave arc shape mutually agreed with touch-switch.
In the above-mentioned technical solutions, during actually detected, pcb board only need to be placed on to the pcb board being arranged on panel and determined
In the slot of position so that switch is aligned above and below thimble and the touch-switch position on pcb board, and plate is to moving down in then being pushed by top plate
It is dynamic so that switch thimble is contacted with touch-switch, the contact site in switch thimble is contacted with touch-switch so that touch-switch by
Original open-circuit condition switchs to off state, and signal is connected by signal output section with the computer for being equipped with ICT test softwares
It connects, ICT test softwares are realized in the case of the missing part of touch-switch, failed part on the hilllocks ICT according to ICT industry open-short circuit principles
Position detection.Thus, not only increase the detection speed of touch-switch in PCB, and the leakage to touch-switch can be improved
The precision that part, failed part situation detect, ensures the quality of production of pcb board.
A kind of advantageous effect of PCB tact switch measurement jig provided by the utility model is：This PCB tact switch is surveyed
Try face contact of the jig by the switch thimble and touch-switch of designed, designed so that touch-switch is by original open-circuit condition
Switch to off state, and transmit a signal to the computer connection for being equipped with ICT test softwares, ICT test softwares are according to ICT industries
Open-short circuit principle is realized and is detected in the posies ICT in the case of the missing part of touch-switch, failed part.Compared to traditional hand inspection,
PCB tact switch detection speed is not only substantially increased, but also detection quality greatly improved, can prevent to leak in touch-switch
The appearance of the unqualified situation such as part, failed part.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram that thimble is switched in the utility model.
In figure：1, top plate；2, support column；3, middle plate；4, the first limited post；5, pressure bar；6, thimble is switched；61, signal is defeated
Go out portion；62, sleeve；63, pars contractilis；64, contact site；7, touch-switch；8, rack；9, panel；10, the second limited post；11,
Pcb board.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.The every other embodiment that ordinary people in the field is obtained without making creative work, belongs to
The scope of protection of the utility model.
Embodiment：A kind of PCB tact switch measurement jig.
Shown in referring to Figures 1 and 2, a kind of PCB tact switch measurement jig, including：Rack 8；Face on rack 8
Plate 9 is provided with pcb board locating slot on the panel 9；Middle plate 3 right over panel 9, the middle plate 3 and panel 9 it
Between connected by more first limited posts 4 moving up and down, during middle plate 3 moves down, pass through the first limited post 4
The maximum distance that plate 3 moves down in can limiting prevents switch thimble 6 from damaging；Top plate 1 right over middle plate 3, institute
It states and is connected by more parallel arrangement of support columns 2 between top plate 1 and middle plate 3；Switch thimble 6 on middle plate 3, it is described
It switchs thimble 6 with about 7 face of touch-switch on pcb board 11 to be arranged, the switch thimble 6 includes signal output section 61, set
Cylinder 62, pars contractilis 63 and contact site 64, the sleeve 62 are fixed on middle plate 3, and pars contractilis 63 is mounted in sleeve 62, and signal is defeated
Go out portion 61 to be arranged at the top of pars contractilis 63, the signal output switched in the bottom of pars contractilis 63 on thimble 6 is arranged in contact site 64
Portion 61 is connect by conducting wire with test computer；Mounted on 3 lower surface of middle plate and positioned at the pressure bar 5 of 6 side of switch thimble, pressure bar 5
Effect be during middle plate 3 pushes, prevent pcb board 11 move.
The operation principle of the utility model is：During actually detected, pcb board 11 need to be only placed on panel 9 and be arranged
Pcb board locating slot in so that switch is aligned above and below thimble 6 and 7 position of touch-switch on pcb board 11, then passes through top plate 1
Plate 3, which moves down, in promotion contacts so that switching thimble 6 with touch-switch 7, switchs contact site 64 and touch-switch in thimble 6
7 contacts so that touch-switch 7 switchs to off state by original open-circuit condition, and signal is passed through signal output section 61 and peace
Computer connection equipped with ICT test softwares, ICT test softwares realize touch-switch 7 according to ICT industry open-short circuit principles
Missing part, detect in the posies ICT in the case of failed part.Thus, not only increase the detection speed of touch-switch 7 in pcb board 11
Degree, and the missing part to touch-switch 7 can be improved, the precision that failed part situation detects, ensure the quality of production of pcb board 11.
Shown in referring to Fig.1, the second limited post 10, the effect of the second limited post 10 are provided between the panel 9 and rack 8
It is that panel 9 is moved relative to rack 8 during preventing middle plate 3 from pushing.
With reference to shown in Fig. 2,64 bottom of the contact site is set as the concave arc shape agreed with 7 phase of touch-switch, thus,
When switch thimble 6, which is moved down, to be contacted with touch-switch 7, it can prevent touch-switch 7 from damaging to avoid rigid contact.
The above be the utility model preferred embodiment, but the utility model should not be limited to the embodiment and
Attached drawing disclosure of that is all fallen so every do not depart from the lower equivalent or modification completed of spirit disclosed in the utility model
Enter the range of the utility model protection.
Claims (4)
1. a kind of PCB tact switch measurement jig, it is characterised in that including：
Rack；
Panel on rack is provided with pcb board locating slot on the panel；
Middle plate right over panel is connected between the middle plate and panel by more first limited posts moving up and down
It connects；
Top plate right over middle plate is connected between the top plate and middle plate by more parallel arrangement of support columns；
Switch thimble on middle plate, face is arranged the switch thimble up and down with the touch-switch on pcb board, described to open
It includes signal output section, sleeve, pars contractilis and contact site to close thimble, and the sleeve is fixed on middle plate, and pars contractilis is mounted on set
In cylinder, signal output section is arranged at the top of pars contractilis, and contact site is arranged in the bottom of pars contractilis；
Mounted on middle plate lower surface and positioned at the pressure bar of switch thimble side.
2. PCB tact switch measurement jig as described in claim 1, it is characterised in that：Signal on the switch thimble is defeated
Go out portion to connect with test computer by conducting wire.
3. PCB tact switch measurement jig as described in claim 1, it is characterised in that：It is arranged between the panel and rack
There is the second limited post.
4. PCB tact switch measurement jig as described in claim 1, it is characterised in that：The contact site bottom be set as with
The concave arc shape that touch-switch mutually agrees with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508308.0U CN208044029U (en) | 2018-04-11 | 2018-04-11 | A kind of PCB tact switch measurement jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820508308.0U CN208044029U (en) | 2018-04-11 | 2018-04-11 | A kind of PCB tact switch measurement jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044029U true CN208044029U (en) | 2018-11-02 |
Family
ID=63944795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820508308.0U Expired - Fee Related CN208044029U (en) | 2018-04-11 | 2018-04-11 | A kind of PCB tact switch measurement jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208044029U (en) |
-
2018
- 2018-04-11 CN CN201820508308.0U patent/CN208044029U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20190411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |