CN208044021U - A kind of precision measurement jig that shockproof effect is good - Google Patents
A kind of precision measurement jig that shockproof effect is good Download PDFInfo
- Publication number
- CN208044021U CN208044021U CN201820489341.3U CN201820489341U CN208044021U CN 208044021 U CN208044021 U CN 208044021U CN 201820489341 U CN201820489341 U CN 201820489341U CN 208044021 U CN208044021 U CN 208044021U
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- China
- Prior art keywords
- fixed
- shaped block
- spring
- block
- installing frame
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- 230000000694 effects Effects 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 title claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 26
- 230000006978 adaptation Effects 0.000 claims description 8
- 238000012360 testing method Methods 0.000 abstract description 9
- 230000035939 shock Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000000116 mitigating effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of good precision measurement jigs of shockproof effect, including installing frame, one group of rectangular shaft disposed in parallel is welded on the inside of the installing frame, and the top of installing frame is embedded in and is fixed with twin shaft cylinder, the piston rod of the twin shaft cylinder is welded with the lifter plate being slidably socketed on the outside of rectangular shaft, the middle part of the lifter plate is equipped with the first rectangular opening, and sliding sleeve is connected to the first T-shaped block in the first rectangular opening, and the bottom end of first T-shaped block is fixed with probe card.The utility model is by twin shaft cylinder, lifter plate, the first spring, the second T-shaped block, the first T-shaped block and second spring is isostructural is used cooperatively, so that the probe of probe card contacts closely with circuit board measuring point, shock resistance is good, convenient for testing simultaneously, indirectly exerted a force compressions using second spring and the first spring, pressing force mitigation, probe and circuit board will not be damaged, and then prolong the service life, it is easy-to-use, and effect is good.
Description
Technical field
The utility model is related to the good precision measurements of circuit board testing device technical field more particularly to a kind of shockproof effect
Jig.
Background technology
Current ICT measurement jigs are on-line checking jigs.It is to be carried out to the electrical property of online component and electrical connection
Test manufactures defect and a kind of undesirable standard test equipment of component to check.It is mainly used for checking online single
The opening of component and each circuit network, short-circuit conditions.But the placement plate of current mechanism for testing only plays pcb board and puts
The effect of setting does not fix pcb board well, and in this way in test, fixation is bad, and shock resistance is poor, and pcb board may occur
It is mobile, influence detection as a result, and probe be easily damaged when in use, using effect is not good enough.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of shockproof effect proposed is good
Precision measurement jig.
To achieve the goals above, the utility model uses following technical solution：
A kind of precision measurement jig that shockproof effect is good, including installing frame, be welded on the inside of the installing frame one group it is flat
The rectangular shaft of row setting, and the top of installing frame is embedded in and is fixed with twin shaft cylinder, the piston rod of the twin shaft cylinder is welded with cunning
The middle part of the dynamic lifter plate being socketed on the outside of rectangular shaft, the lifter plate is equipped with the first rectangular opening, and sliding in the first rectangular opening
It is socketed with the first T-shaped block, the bottom end of first T-shaped block is fixed with probe card, and is fixed between probe card and lifter plate
One spring is fixed with multiple guide pipes below probe card, and the inside sliding sleeve of guide pipe on the inside of the installing frame
It is connected to the second T-shaped block, the second spring being fixed between second T-shaped block and installing frame on the inside of guide pipe, and the 2nd T
The top of shape block is welded with placement rack, and the top of the placement rack is equipped with the placing groove through placement rack, and fixed in placing groove
There is annular placement plate, the inside sliding sleeve of the annular placement plate is connected to clamping plate, and the bottom end of clamping plate is equipped with the second rectangular opening, the
Sliding sleeve is connected to guide post in two rectangular openings, and one end of the guide post is fixed with fixed block, and fixed block is fixed on placement rack
Bottom, third spring is fixed between fixed block and clamping plate.
Preferably, first spring is socketed in the outside of the first T-shaped block, and third spring is socketed in the outside of guide post,
And first spring length and the first T-shaped block close to one end length adaptation of probe card, and the length and guide post of third spring
Length adaptation.
Preferably, the rectangular shaft is vertical with lifter plate, and rectangular shaft is parallel with the piston rod of twin shaft cylinder, and rectangular shaft
It is vertical with the top of placement rack.
Preferably, the top of the guide pipe is equipped with the mounting hole being adapted to the second T-shaped block size, and the second T-shaped block is leaned on
One end of nearly placement rack is slidably socketed in mounting hole, and the second T-shaped block be located remote from seat one end and guide pipe inside it is big
Small adaptation.
Preferably, the length of the guide post is less than the length of annular placement plate, and the one end of guide post far from fixed block
It is fixed with limited block, and guide post is parallel with the annular bottom of placement plate.
Preferably, the fixed block is parallel with the second T-shaped block, and fixed block is vertical with the bottom of placement rack.
In the utility model, energy is used cooperatively by clamping plate, third spring, fixed block, guide post and annular placement plate
Circuit board is enough clamped, keeps its fixed, anti-pinking is good, while can be positioned to a certain extent to circuit board, in turn
It can avoid the case where circuit board is subjected to displacement, detection is caused to be deteriorated when detecting, using flexible；Pass through twin shaft cylinder, lifting
Plate, the first spring, the second T-shaped block, the first T-shaped block and second spring is isostructural is used cooperatively so that the probe of probe card with
The contact of circuit board measuring point is close, and shock resistance is good, simultaneously convenient for test, is indirectly exerted a force pressure using second spring and the first spring
Tightly, pressing force mitigates, and will not damage probe and circuit board, and then prolong the service life, easy-to-use, and effect is good, in addition, adopting
It is driven to compress with twin shaft cylinder and compares more laborsaving, using flexible than traditional manually driven mode.
Description of the drawings
Fig. 1 be the utility model proposes a kind of good precision measurement jig of shockproof effect structural schematic diagram；
Fig. 2 be the utility model proposes a kind of good precision measurement jig of shockproof effect lifter plate schematic diagram；
Fig. 3 be the utility model proposes a kind of good precision measurement jig of shockproof effect annular placement plate schematic diagram.
In figure：1 installing frame, 2 rectangular shafts, 3 twin shaft cylinders, 4 lifter plates, 5 first T-shaped blocks, 6 probe cards, 7 first springs, 8
Guide pipe, 9 second springs, 10 second T-shaped blocks, 11 placement racks, 12 annular placement plates, 13 clamping plates, 14 fixed blocks, 15 guide posts,
16 third springs.
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
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, the good precision measurement jig of a kind of shockproof effect, including installing frame 1, the inside welding of installing frame 1
There is one group of rectangular shaft 2 disposed in parallel, and the top of installing frame 1 is embedded in and is fixed with twin shaft cylinder 3, the piston rod of twin shaft cylinder 3
It is welded with the lifter plate 4 being slidably socketed in 2 outside of rectangular shaft, the middle part of lifter plate 4 is equipped with the first rectangular opening, and the first rectangular opening
Interior sliding sleeve is connected to the first T-shaped block 5, and the bottom end of the first T-shaped block 5 is fixed with probe card 6, and solid between probe card 6 and lifter plate 4
There are the first spring 7, the inside of installing frame 1 to be fixed with multiple guide pipes 8 positioned at 6 lower section of probe card, and the inside of guide pipe 8 surely
Sliding sleeve is connected to the second T-shaped block 10, and the second spring positioned at 8 inside of guide pipe is fixed between the second T-shaped block 10 and installing frame 1
9, and the top of the second T-shaped block 10 is welded with placement rack 11, the top of placement rack 11 is equipped with the placing groove through placement rack 11, and
Annular placement plate 12 is fixed in placing groove, the inside sliding sleeve of annular placement plate 12 is connected to clamping plate 13, and the bottom end of clamping plate 13
Equipped with the second rectangular opening, sliding sleeve is connected to guide post 15 in the second rectangular opening, and one end of guide post 15 is fixed with fixed block 14, and
Fixed block 14 is fixed on the bottom of placement rack 11, and third spring 16, the first 7 sets of spring are fixed between fixed block 14 and clamping plate 13
It is connected on the outside of the first T-shaped block 5, third spring 16 is socketed in the outside of guide post 15, and the length of the first spring 7 and the first T
Shape block 5 is close to one end length adaptation of probe card 6, and the length adaptation of the length of third spring 16 and guide post 15, rectangular shaft 2
It is vertical with lifter plate 4, and rectangular shaft 2 is parallel with the piston rod of twin shaft cylinder 3, and rectangular shaft 2 is vertical with the top of placement rack 11,
The top of guide pipe 8 is equipped with the mounting hole being adapted to 10 size of the second T-shaped block, and the second T-shaped block 10 is close to the one of placement rack 11
End is slidably socketed in mounting hole, and the second T-shaped block 10 is located remote from one end of seat 11 and is adapted to the inside size of guide pipe 8,
The length of guide post 15 is less than the length of annular placement plate 12, and the one end of guide post 15 far from fixed block 14 is fixed with limit
Block, and guide post 15 is parallel with the bottom of annular placement plate 12, fixed block 14 is parallel with the second T-shaped block 10, and fixed block 14 and
The bottom of placement rack 11 is vertical.
Operation principle：When the utility model is used, by pulling clamping plate 13 that can compress third spring 16, will wait for later
Detection circuit board is placed in placing groove, is now in the third spring 16 of compressive state and clamping plate 13 will be driven to clamp circuit board,
The case where so as to so that circuit board is fixed, avoid being subjected to displacement when detecting, cause to detect test position offset, and press from both sides
Plate 13 is also equipped with certain positioning action, using flexible and facility；When driving lifter plate 4 to decline by twin shaft cylinder 3, work as probe
When the probe and circuit board contacts of plate 6, the first spring 7 can be pressurized contraction, meanwhile, the second T-shaped block 10 is pressurized so that second spring 9
Be pressurized and shrink, in compressive state second spring 9 and under the action of the first spring 7, the probe and circuit of probe card 6
The contact of plate measuring point is close, and shock resistance is good, convenient for test, meanwhile, using second spring 9 and the first spring 7, indirectly force compresses,
Pressing force mitigates, and will not damage probe and circuit board, easy to use, and effect is good, and entire mechanism is pressed using twin shaft cylinder 3
Tight driving, it is more laborsaving compared with traditional manually driven mode.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of good precision measurement jig of shockproof effect, including installing frame (1), one is welded on the inside of the installing frame (1)
Group rectangular shaft (2) disposed in parallel, and the top of installing frame (1) is embedded in and is fixed with twin shaft cylinder (3), the twin shaft cylinder (3)
Piston rod be welded with the lifter plate (4) being slidably socketed on the outside of rectangular shaft (2), which is characterized in that in the lifter plate (4)
Portion is equipped with the first rectangular opening, and sliding sleeve is connected to the first T-shaped block (5), the bottom end of first T-shaped block (5) in the first rectangular opening
Be fixed with probe card (6), and be fixed with the first spring (7) between probe card (6) and lifter plate (4), the installing frame (1) it is interior
Side is fixed with multiple guide pipes (8) below probe card (6), and the inside sliding sleeve of guide pipe (8) is connected to the second T-shaped block
(10), the second spring (9) being fixed between second T-shaped block (10) and installing frame (1) on the inside of guide pipe (8), and
The top of second T-shaped block (10) is welded with placement rack (11), and the top of the placement rack (11) is equipped with through placement rack (11)
Placing groove, and annular placement plate (12) is fixed in placing groove, the inside sliding sleeve of the annular placement plate (12) is connected to clamping plate
(13), and the bottom end of clamping plate (13) is equipped with the second rectangular opening, and sliding sleeve is connected to guide post (15), the guiding in the second rectangular opening
One end of column (15) is fixed with fixed block (14), and fixed block (14) is fixed on the bottom of placement rack (11), fixed block (14) with
Third spring (16) is fixed between clamping plate (13).
2. a kind of good precision measurement jig of shockproof effect according to claim 1, which is characterized in that first spring
(7) it is socketed in the outside of the first T-shaped block (5), third spring (16) is socketed in the outside of guide post (15), and the first spring (7)
Length and the first T-shaped block (5) close to one end length adaptation of probe card (6), and the length and guide post of third spring (16)
(15) length adaptation.
3. a kind of good precision measurement jig of shockproof effect according to claim 1, which is characterized in that the rectangular shaft
(2) vertical with lifter plate (4), and rectangular shaft (2) is parallel with the piston rod of twin shaft cylinder (3), and rectangular shaft (2) and placement rack
(11) top is vertical.
4. a kind of good precision measurement jig of shockproof effect according to claim 1, which is characterized in that the guide pipe
(8) top is equipped with the mounting hole being adapted to the second T-shaped block (10) size, and the second T-shaped block (10) is close to placement rack (11)
One end is slidably socketed in mounting hole, and the second T-shaped block (10) be located remote from seat (11) one end and the inside of guide pipe (8) it is big
Small adaptation.
5. a kind of good precision measurement jig of shockproof effect according to claim 1, which is characterized in that the guide post
(15) length is less than the length of annular placement plate (12), and the one end of guide post (15) far from fixed block (14) is fixed with limit
Block, and guide post (15) is parallel with the annular bottom of placement plate (12).
6. a kind of good precision measurement jig of shockproof effect according to claim 1, which is characterized in that the fixed block
(14) parallel with the second T-shaped block (10), and fixed block (14) is vertical with the bottom of placement rack (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489341.3U CN208044021U (en) | 2018-04-09 | 2018-04-09 | A kind of precision measurement jig that shockproof effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820489341.3U CN208044021U (en) | 2018-04-09 | 2018-04-09 | A kind of precision measurement jig that shockproof effect is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208044021U true CN208044021U (en) | 2018-11-02 |
Family
ID=63944432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820489341.3U Expired - Fee Related CN208044021U (en) | 2018-04-09 | 2018-04-09 | A kind of precision measurement jig that shockproof effect is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208044021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824334A (en) * | 2019-09-30 | 2020-02-21 | 福州昶永禾机械有限公司 | PCB detection jig with positioning function |
| CN117192340A (en) * | 2023-11-07 | 2023-12-08 | 鸿信高科(深圳)科技有限公司 | PCBA main board test fixture for automobile data recorder |
-
2018
- 2018-04-09 CN CN201820489341.3U patent/CN208044021U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824334A (en) * | 2019-09-30 | 2020-02-21 | 福州昶永禾机械有限公司 | PCB detection jig with positioning function |
| CN110824334B (en) * | 2019-09-30 | 2022-02-18 | 福州昶永禾机械有限公司 | PCB detection jig with positioning function |
| CN117192340A (en) * | 2023-11-07 | 2023-12-08 | 鸿信高科(深圳)科技有限公司 | PCBA main board test fixture for automobile data recorder |
| CN117192340B (en) * | 2023-11-07 | 2024-02-06 | 鸿信高科(深圳)科技有限公司 | PCBA main board test fixture for automobile data recorder |
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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 |