CN205786724U - Self-adapting type inner bag test fixture and circuit board testing shielded box - Google Patents
Self-adapting type inner bag test fixture and circuit board testing shielded box Download PDFInfo
- Publication number
- CN205786724U CN205786724U CN201620703052.XU CN201620703052U CN205786724U CN 205786724 U CN205786724 U CN 205786724U CN 201620703052 U CN201620703052 U CN 201620703052U CN 205786724 U CN205786724 U CN 205786724U
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- China
- Prior art keywords
- needle plate
- seat
- fixed
- inner bag
- self
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- Measuring Leads Or Probes (AREA)
Abstract
The utility model discloses a kind of self-adapting type inner bag test fixture, fix seat including the upper needle plate being oppositely arranged up and down and lower needle plate is fixed seat, at least two guide rods, is fixed on upper needle plate and fixes the upper needle plate in seat bottom face and be fixed on lower needle plate and fix the lower needle plate of seat upper surface, upper needle plate lower surface and lower needle plate upper surface are convexly equipped with multiple spaced upper guide part and lower guide part respectively, guide rod is fixed on lower needle plate and fixes on seat, and upper needle plate fixed seating is located at the other end along guide rod slidably of guide rod；Upper needle plate/lower needle plate is fixed by the way of magnetic suck.The invention also discloses a kind of circuit board testing shielded box.Owing at least one in upper needle plate and lower needle plate is to fix by the way of magnetic suck, after making circuit board under test and support plate be admitted to casing, in upper and lower needle plate and support plate bonding processes, needle plate can carry out adaptive directed adjustment on the basis of the pilot hole on support plate, it is achieved upper and lower needle plate and the precise positioning of test point on pcb board.
Description
Technical field
This utility model relates to circuit board testing technical field, particularly relates to a kind of self-adapting type inner bag test fixture and electricity
Road board test shielded box.
Background technology
For reducing the damage plate rate of PCB (Printed Circuit Board, printed circuit board (PCB)) the pneumatic test of plate, improve and survey
Stability and the first-pass yield of examination and develop a kind of drawer type pneumatic test shielded box, mainly utilize drawer-type structure will be used for pressing from both sides
The fixture extraction holding and testing pcb board pushes.But the mode of old fixture designs still the upper needle plate for electrically connecting with pcb board
All pass through screw with lower needle plate to be directly locked on corresponding support, it is impossible to according to the test needs of pcb board (such as test
Pin position, different test functions require) do necessary self-adaptative adjustment, poor compatibility.And in order to improve measuring stability and
First-pass yield, upper and lower needle plate must well be ensured again with the precision that coordinates of detected PCB, for realizing this target, upper,
Lower needle plate must realize automatic guide para-position on the basis of pcb board and adjust, and old mechanism obviously can not realize, so must develop
A inner bag test fixture being capable of this function.
Utility model content
The deficiency existed in view of prior art, this utility model provides a kind of self-adapting type inner bag test fixture and circuit
Board test shielded box, can realize the clamping of circuit board easily and accurately be directed at, compatible good, can meet different tests
Demand.
In order to realize above-mentioned purpose, this utility model have employed following technical scheme:
A kind of self-adapting type inner bag test fixture, fixes seat including the upper needle plate being oppositely arranged up and down and lower needle plate is fixed
Seat, at least two guide rods, it is removably attached to described upper needle plate and fixes the upper needle plate in seat bottom face and be removably attached to institute
State lower needle plate to fix the lower needle plate of seat upper surface, described upper needle plate lower surface and described lower needle plate upper surface and be convexly equipped with multiple respectively
Spaced upper guide part and lower guide part, described guide rod is fixed on described lower needle plate and fixes on seat, described upper needle plate
Fixed seating is located at the other end along described guide rod slidably of described guide rod；Described upper needle plate is fixed by the way of magnetic suck
On described, the lower surface of seat fixed by needle plate, and/or described lower needle plate is fixed on described lower needle plate admittedly by the way of magnetic suck
The upper surface of reservation.
As one of which embodiment, described self-adapting type inner bag test fixture also includes linear bearing, described directly
Bobbin holds in being located in described guide rod and is fixed on described upper needle plate and fixes on seat.
As one of which embodiment, described self-adapting type inner bag test fixture also includes spring, described spring housing
It is located on described guide rod and seat fixed by needle plate and described lower needle plate is fixed between seat on described.
As one of which embodiment, described lower needle plate is fixed seat upper surface and is offered and described lower needle plate form fit
Placing trough.
As one of which embodiment, described upper needle plate is fixed on described upper needle plate by the way of magnetic suck and fixes seat
Lower surface, and/or described lower needle plate is fixed on described lower needle plate by the way of magnetic suck and fixes the upper surface of seat.
As one of which embodiment, it is solid that described self-adapting type inner bag test fixture also includes being located at described upper needle plate
The upper needle plate protective cover of reservation upper surface.
As one of which embodiment, described upper needle plate protective cover includes fixing what seat was oppositely arranged with described upper needle plate
Support plate mounting table and connect that described upper needle plate fixes seat and described support plate mounting table raise block.
As one of which embodiment, described upper needle plate protective cover upper surface is convexly equipped with multiple for support plate pre-determined bit
Projection.
As one of which embodiment, described upper needle plate protective cover upper surface is embedded with multiple magnetic for adsorbing support plate
Ferrum.
As one of which embodiment, described upper needle plate protective cover upper surface is provided with the embeded slot of corresponding support plate profile.
Another object of the present utility model is to provide a kind of circuit board testing shielded box, including any of the above self adaptation
Formula inner bag test fixture and electrically connecting with described upper needle plate and described lower needle plate with the detection components of circuit board on detection support plate.
This utility model utilizes the upper needle plate being oppositely arranged to fix seat and lower needle plate is fixed seat and fixed respectively with detection pin
Upper needle plate and lower needle plate, upper needle plate and lower needle plate at least one be to fix by the way of magnetic suck so that be loaded with and treat
After the support plate of slowdown monitoring circuit plate is admitted to casing, upper and lower needle plate and support plate are in bonding processes, and needle plate can be with the pilot hole on support plate
On the basis of carry out adaptive directed adjustment, it is achieved the precise positioning of test point on upper and lower needle plate and pcb board.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inner bag test fixture of this utility model embodiment.
Fig. 2 is the alignment principles schematic diagram of the inner bag test fixture of this utility model embodiment.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, further describes this utility model.Should be appreciated that specific embodiment described herein is only in order to explain this reality
With novel, it is not used to limit this utility model.
Refering to Fig. 1, the self-adapting type inner bag test fixture that this utility model provides includes the upper needle plate being oppositely arranged up and down
Fixing seat 10 and lower needle plate are fixed 20, at least two guide rods 30 of seat, are removably attached to needle plate and fix the upper of seat 10 bottom surface
Needle plate 11 and be removably attached to lower needle plate and fix the lower needle plate 21 of seat 20 upper surface, upper needle plate 11 lower surface and lower needle plate 21
Upper surface is convexly equipped with multiple spaced upper guide parts 110 and lower guide part 210 respectively, and guide rod 30 one end is fixed on lower needle plate
On fixing seat 20, upper needle plate is fixed seat 10 and is set in the other end of guide rod 30 and can slide along guide rod 30.Upper needle plate 11 passes through magnetic
The mode of absorption is fixed on needle plate and fixes the lower surface of seat 10, and/or lower needle plate 21 is fixed on down by the way of magnetic suck
The upper surface of seat 20 fixed by needle plate, and the fixed form preferably going up needle plate 11 and lower needle plate 21 is magnetic suck.
Such as Fig. 2, pcb board to be measured is loaded on support plate, then with support plate be placed into upper needle plate 11, lower needle plate 21 it
Between.Upper guide part 110 and lower guide part 210 can be convex cylinders, it is also possible to be separately fabricated bearing pin, are respectively used to and carry
Pre-determined bit hole on plate P coordinates.
As one of which embodiment, inner bag test fixture also includes linear bearing 12 and spring 40, linear bearing 12
In being located in guide rod 30 and be fixed on needle plate and fix on seat 10, spring 40 is sheathed on guide rod 30 and is positioned at needle plate fixes seat
10 and lower needle plate fix between seat 20.
For ease of spacing lower needle plate 21, lower needle plate is fixed seat 20 upper surface and is offered and the placement of lower needle plate 21 form fit
Groove, lower needle plate 21 is placed into after lower needle plate is fixed on seat 20 and the most automatically slides in this placing trough, and by the way of magnetic suck
Complete location.The present embodiment specifically upper needle plate 11, lower needle plate 21, on seat 10 fixed by needle plate, lower needle plate is fixed in seat 20 all
It is embedded with Magnet accordingly.
Further, upper needle plate is fixed seat 10 upper surface and is further fixed on needle plate protective cover 50, and upper needle plate protective cover 50 wraps
Include to fix support plate mounting table 51 that seat 10 is oppositely arranged with upper needle plate and be connected needle plate and fix seat 10 and support plate mounting table 51
Raise block 52.Upper needle plate protective cover 50 upper surface is convexly equipped with multiple for the projection 60 to support plate pre-determined bit, specifically by projection
60 are arranged on support plate mounting table 51.As Fig. 2, idle unused another support plate P1 can be placed on support plate by the way of magnetic suck
On mounting table 51, specifically can be embedded with multiple Magnet T for adsorbing support plate at upper needle plate protective cover 50 upper surface.Upper needle plate is protected
Guard shield 50 upper surface also can be provided with the embeded slot of corresponding support plate P1 profile, in order to improves reliability of positioning.
When inner bag test fixture is installed to circuit board testing shielded box, only need to be by this self-adapting type inner bag test fixture
After installing, it is electrically connected to detect the detection components of the circuit board on support plate with upper needle plate 11 and lower needle plate 21.
Pcb board is refined after being fixed on support plate P, and the support plate P being loaded with pcb board is admitted to the upper needle plate 11 of casing and lower pin
Maintain static between plate 21, now go up and be the most tentatively positioned at predetermined test point between needle plate 11, lower needle plate 21 and support plate P three
Reference position, and upper needle plate 11 and lower needle plate 21 are because being that the captivation using Magnet is fixed with respective fixing seat, more than institute
Lower needle plate 11 and support plate P are in bonding processes, and upper and lower needle plate can carry out adaptive directed tune on the basis of the pilot hole on support plate P
Whole, reach upper and lower needle plate and the precise positioning of test point on pcb board.
The above is only the detailed description of the invention of the application, it is noted that for the ordinary skill people of the art
For Yuan, on the premise of without departing from the application principle, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a self-adapting type inner bag test fixture, it is characterised in that include that seat (10) fixed by the upper needle plate being oppositely arranged up and down
Fix seat (20), at least two guide rods (30) with lower needle plate, be removably attached to described upper needle plate and fix seat (10) bottom surface
Upper needle plate (11) and be removably attached to described lower needle plate and fix the lower needle plate (21) of seat (20) upper surface, described upper needle plate
(11) lower surface and described lower needle plate (21) upper surface are convexly equipped with multiple spaced upper guide parts (110) and lower guiding respectively
Portion (210), described guide rod (30) one end is fixed on described lower needle plate and fixes on seat (20), and it is sheathed that seat (10) fixed by described upper needle plate
The other end along described guide rod (30) slidably at described guide rod (30)；Described upper needle plate (11) is solid by the way of magnetic suck
It is scheduled on described upper needle plate and fixes the lower surface of seat (10), and/or described lower needle plate (21) is fixed on institute by the way of magnetic suck
State lower needle plate and fix the upper surface of seat (20).
Self-adapting type inner bag test fixture the most according to claim 1, it is characterised in that also include linear bearing (12),
Described linear bearing (12) is located in described guide rod (30) and is fixed on described upper needle plate and fixes on seat (10).
Self-adapting type inner bag test fixture the most according to claim 1, it is characterised in that also include spring (40), described
It is upper and be positioned at described upper needle plate and fix seat (10) and seat (20) fixed by described lower needle plate that spring (40) is sheathed on described guide rod (30)
Between.
Self-adapting type inner bag test fixture the most according to claim 1, it is characterised in that seat (20) fixed by described lower needle plate
Upper surface offers and the placing trough of described lower needle plate (21) form fit.
5. according to the arbitrary described self-adapting type inner bag test fixture of claim 1-4, it is characterised in that also include being located at described
The upper needle plate protective cover (50) of seat (10) upper surface fixed by upper needle plate.
Self-adapting type inner bag test fixture the most according to claim 5, it is characterised in that described upper needle plate protective cover (50)
Including fixing support plate mounting table (51) that seat (10) is oppositely arranged with described upper needle plate and being connected described upper needle plate and fix seat (10)
With described support plate mounting table (51) raise block (52).
Self-adapting type inner bag test fixture the most according to claim 5, it is characterised in that described upper needle plate protective cover (50)
Upper surface is convexly equipped with multiple for the projection (60) to support plate pre-determined bit.
Self-adapting type inner bag test fixture the most according to claim 5, it is characterised in that described upper needle plate protective cover (50)
Upper surface is embedded with multiple Magnet (T) for adsorbing support plate.
Self-adapting type inner bag test fixture the most according to claim 5, it is characterised in that described upper needle plate protective cover (50)
Upper surface is provided with the embeded slot of corresponding support plate profile.
10. a circuit board testing shielded box, it is characterised in that include the arbitrary described self-adapting type inner bag of claim 1-9
Test fixture and electrically connecting with described upper needle plate (11) and described lower needle plate (21) with the detection group of circuit board on detection support plate
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703052.XU CN205786724U (en) | 2016-07-04 | 2016-07-04 | Self-adapting type inner bag test fixture and circuit board testing shielded box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703052.XU CN205786724U (en) | 2016-07-04 | 2016-07-04 | Self-adapting type inner bag test fixture and circuit board testing shielded box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786724U true CN205786724U (en) | 2016-12-07 |
Family
ID=58123886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703052.XU Expired - Fee Related CN205786724U (en) | 2016-07-04 | 2016-07-04 | Self-adapting type inner bag test fixture and circuit board testing shielded box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205786724U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597258A (en) * | 2016-12-22 | 2017-04-26 | 珠海市精实测控技术有限公司 | Drawer type PCB test clamp |
| CN108427019A (en) * | 2018-03-09 | 2018-08-21 | 昆山翰辉电子科技有限公司 | Jig for board failure detection |
| CN111856252A (en) * | 2020-08-24 | 2020-10-30 | 珠海市精实测控技术有限公司 | Single-datum positioning full-floating PCB function test structure |
-
2016
- 2016-07-04 CN CN201620703052.XU patent/CN205786724U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106597258A (en) * | 2016-12-22 | 2017-04-26 | 珠海市精实测控技术有限公司 | Drawer type PCB test clamp |
| CN106597258B (en) * | 2016-12-22 | 2023-03-21 | 珠海精实测控技术股份有限公司 | Drawer type PCB test fixture |
| CN108427019A (en) * | 2018-03-09 | 2018-08-21 | 昆山翰辉电子科技有限公司 | Jig for board failure detection |
| CN108427019B (en) * | 2018-03-09 | 2020-06-09 | 梅州市展至电子科技有限公司 | A tool for circuit board fault detection |
| CN111856252A (en) * | 2020-08-24 | 2020-10-30 | 珠海市精实测控技术有限公司 | Single-datum positioning full-floating PCB function test structure |
| CN111856252B (en) * | 2020-08-24 | 2022-05-27 | 珠海市精实测控技术有限公司 | Single-datum positioning full-floating PCB function test structure |
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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: 20161207 Termination date: 20170704 |