CN207924084U - A kind of test fixture of the pcb board with stamp hole - Google Patents
A kind of test fixture of the pcb board with stamp hole Download PDFInfo
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- CN207924084U CN207924084U CN201820136900.2U CN201820136900U CN207924084U CN 207924084 U CN207924084 U CN 207924084U CN 201820136900 U CN201820136900 U CN 201820136900U CN 207924084 U CN207924084 U CN 207924084U
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Abstract
The utility model is related to test devices, more particularly to a kind of test fixture of the pcb board with stamp hole, test fixture include test substrate and be arranged test substrate on deformed spring needle, test substrate be equipped with through test substrate notch, multiple deformed spring needles along notch edge distribution；Deformed spring needle is bent by strip conductive material, deformed spring needle includes fixed part and deformations, fixed part includes restriction section and inserting section, deformations include deformation section and the free segment that links with deformation section, for deformation section between restriction section and free segment, inserting section and deformation section are located at the both sides of restriction section；By inserting section and test substrate connection, deformations are abutted with the stamp hole on pcb board by deformation section to limit position of the pcb board relative to test substrate fixed part.The utility model increases the contact area of deformed spring needle and stamp hole on pcb board, can improve the fixed effect of pcb board, improve the reliability of contact.
Description
Technical field
The utility model is related to test device, more particularly to a kind of test fixture of the pcb board with stamp hole.
Background technology
PCB (Printed Circuit Board), Chinese is printed circuit board, also known as printed wiring board, is important
Electronic unit, be the supporter of electronic component, be electronic component electrical connection carrier.
With the development of electronics technology, the function of chip is stronger and stronger, and peripheral circuit is important these with also increasing
Function be placed on one piece of core board, can solve asking for miniaturization and connection reliability using the welding manner of stamp hole
Topic；But since stamp hole is distributed in the edges of boards of pcb board, the spacing between stamp hole is overstocked, and pad is smaller, to veneer PCBA
(PCBA is the abbreviation of English Printed Circuit Board+Assembly, that is to say, that PCB hollow plates pass through SMT piece uploadings, then
By the entire processing procedure of DIP plug-in units, abbreviation PCBA) test of function is relatively difficult, the testing jig provided currently on the market
All be using thimble by the way of pcb board is positioned, when positioning, the stamp hole of the end abutment pcb board of thimble, thimble with
The upper surface substrate-parallel of pcb board, there are following defects for this mode：Thimble tooling is expensive, complex manufacturing technology, it is desirable that
Precision is high；Thimble and stamp hole contact area are small, and reliability is low, bad maintenance, are unfavorable for batch production test.
Utility model content
For the above problem of the prior art, the purpose of this utility model is to provide a kind of pcb boards with stamp hole
Test fixture, which is coordinated using the stamp hole of deformed spring needle and pcb board, increases connecing for deformed spring needle and stamp hole
Contacting surface is accumulated, and pcb board can be conveniently and efficiently positioned.
The utility model provides a kind of test fixture of the pcb board with stamp hole, including test substrate, the test base
Plate is equipped with the notch through the test substrate, which is characterized in that multiple deformed spring needles are additionally provided on the test substrate,
Multiple deformed spring needles along the notch edge distribution；
The deformed spring needle is bent by strip conductive material, and deformed spring needle includes fixed part and deformations,
The fixed part includes restriction section and inserting section, and the deformations include deformation section and the free segment that links with the deformation section,
For the deformation section between the restriction section and the free segment, the inserting section and the deformation section are located at the limit
The both sides of section processed；
The fixed part by the inserting section and the test substrate connection, the deformations by the deformation section with
Stamp hole on pcb board is abutted to limit position of the pcb board relative to test substrate.
Further, the test substrate is equipped with multigroup mounting hole, and the mounting hole divides along the edge of the notch
Cloth, the deformed spring needle pass through the mounting hole and the test substrate connection.
Preferably, every group of mounting hole includes the first mounting hole and the second mounting hole；
The inserting section is fixed in first mounting hole, and the restriction section and deformation section are located at the test substrate
Top, the free segment are located in second mounting hole and can be moved in second mounting hole, and the deformation section is used for
It abuts, and can be deformed upon when being squeezed by the stamp hole with the stamp hole on pcb board, to drive the free segment
It is moved in second mounting hole.
Preferably, the restriction section and inserting section constitute city wall pile shape.
Preferably, the inserting section passes through first mounting hole and is fixed by connecting material, second peace
Dress hole is long stripes through hole.
Preferably, the deformation section includes supporting section and connecting section, and the supporting section connects with restriction section, the connecting section
Connect with free segment, the connecting section tilts to the notch and forms acute angle between the test substrate, described to support
Section is connect for being abutted with the stamp hole on pcb board, the supporting section is used to provide and extruding force side when connecting section is squeezed
To opposite support force.
Preferably, the angle between the connecting section and the test substrate is less than 80 °.
Further, the test fixture further includes ejecting mechanism, and the ejecting mechanism is arranged in the test substrate
Lower section tests the notch of substrate described in the knock-pin face of ejecting mechanism.
Preferably, the notch is that rectangle, the mounting hole and deformed spring needle are right along at least one set of the notch
Side is arranged.
Preferably, the cross section of the deformed spring needle is circle, a diameter of 0.2mm-2mm of the cross section.
Due to above-mentioned technical proposal, the utility model has the advantages that：
(1) test fixture provided by the utility model includes the deformed spring tested substrate and be arranged on test substrate
Needle, the deformed spring needle are bent by deformable strip conductive material, fixed part and the test substrate of deformed spring needle
Be connected and fixed, the deformations of deformed spring needle can when being squeezed flexible deformation.Pcb board is placed on test substrate
Side, makes the deformations of deformed spring needle enter in the stamp hole at pcb board edge, by making pcb board to test pcb board force
Substrate is close, and PCB plates squeeze the deformations of deformed spring needle during being moved to test substrate, make deformations
Connecting section and stamp hole between angle taper into or even can reach what connecting section was bonded completely with the inner wall of stamp hole
State, to which pcb board be clamped using deformed spring needle, compared with using the method that thimble fixes pcb board in the prior art, this reality
With the novel contact area for increasing deformed spring needle and stamp hole on pcb board, the fixed effect of pcb board can be improved, is improved
The reliability of contact.
(2) it is distributed along the notch edges of test substrate due to deformed spring needle, deformed spring needle can be determined automatically when test
In stamp hole, upward ejecting force is applied to pcb board by ejecting mechanism after being completed, you can make pcb board and abnormity
Spring needle detaches, and is dismounted easily, easy to maintain.
(3) compared to thimble, the deformed spring needle construction novel and unique of the utility model but wants manufacture craft and precision
It asks not high, is easy to make, and production cost is low, be conducive to batch production test.
Description of the drawings
It, below will be to institute in embodiment or description of the prior art in order to illustrate more clearly of the technical solution of the utility model
Attached drawing to be used is needed to be briefly described.It should be evident that the accompanying drawings in the following description is only some of the utility model
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of structural representation of the test fixture for pcb board with stamp hole that the utility model embodiment provides
Figure；
Fig. 2 is the structural schematic diagram for the deformed spring needle that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram for the test substrate upper installing hole that the utility model embodiment provides；
Fig. 4 is the partial schematic diagram of the test fixture for the pcb board with stamp hole that the utility model embodiment provides；
Fig. 5 is a kind of use state of the test fixture for pcb board with stamp hole that the utility model embodiment provides
Figure；
Fig. 6 is a kind of use state of the test fixture for pcb board with stamp hole that the utility model embodiment provides
Figure.
In figure：1- test substrates, 2- notches, 3- deformed spring needles, 4- mounting holes, 5-PCB plates, 6- stamp holes, 31- are solid
Determine portion, 32- deformations, the first restriction sections of 311-, the second restriction sections of 312-, the first inserting sections of 313-, the second inserting sections of 314-,
321- supporting sections, 322- connecting sections, 323- free segments, the first mounting holes of 41-, the second mounting holes of 42-, the second mounting holes of 43-,
44- third mounting holes, 7- knock-pins.
Specific implementation mode
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so that the embodiments of the present invention described herein can be in addition to scheming herein
Sequence other than those of showing or describe is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Non-exclusive include in covering.
Embodiment
The present embodiment provides a kind of test fixtures of the pcb board with stamp hole, refer to Fig. 1-6, the test fixture packet
Test substrate 1 is included, the test substrate 1 is equipped with the notch 2 through the test substrate, is additionally provided on the test substrate 1
Multiple deformed spring needles 3, multiple deformed spring needles 3 along the notch 2 edge distribution；The deformed spring needle 3 by
Strip conductive material is bent, and deformed spring needle 3 includes fixed part 31 and deformations 32, the fixed part 31 and the survey
Trial base 1 connects, and the deformations 32 with the stamp hole 6 on pcb board 5 for abutting to limit pcb board 5 relative to test base
The position of plate 1.Preferably, the notch 2 is rectangle, the mounting hole 4 and deformed spring needle 3 along the notch 2 at least
One group of opposite side setting.
Further, the test substrate 1 be equipped with multigroup mounting hole 4, the mounting hole 4 along the notch 2 side
Fate cloth, the deformed spring needle 3 are connect by the mounting hole 4 with the test substrate 1.The mounting hole 4 includes first
Mounting hole and the second mounting hole 43.The fixed part 31 includes restriction section and inserting section, and the restriction section and inserting section constitute city
Pier shape.The deformations 32 include deformation section and the free segment 323 with deformation section linkage, and the deformation section is located at institute
It states between restriction section and the free segment 323, the inserting section and the deformation section are located at the both sides of the restriction section.Institute
It states inserting section to be fixed in first mounting hole, the restriction section and deformation section are located at the top for testing substrate 1, described
Free segment 323 is located in second mounting hole 43 and can be moved in second mounting hole 43, the deformation section for
Stamp hole 6 on pcb board 5 abuts, and can be deformed upon when being squeezed by the stamp hole 6, to drive the freedom
Section 323 moves in second mounting hole 43.
It being preferably carried out mode as one kind, the inserting section passes through first mounting hole and carried out by connecting material
Fixed, second mounting hole 43 is long stripes through hole.The deformation section includes supporting section 321 and connecting section 322, the support
Section 321 connects with restriction section, and the connecting section 322 connects with free segment 323, and the connecting section 322 tilts simultaneously to the notch 2
Acute angle is formed between the test substrate 1, the connecting section 322 is described for being abutted with the stamp hole 6 on pcb board 5
Supporting section 321 is for providing the support force opposite with force direction is squeezed when connecting section 322 is squeezed.
It being preferably carried out mode as one kind, the angle between the connecting section 322 and the test substrate 1 is less than 80 °.
Further, the test fixture further includes ejecting mechanism, and the ejecting mechanism is arranged in the test substrate 1
Lower section tests the notch 2 of substrate 1 described in 7 face of knock-pin of ejecting mechanism.
Be preferably carried out mode as one kind, the cross section of the deformed spring needle 3 is circle, the cross section it is a diameter of
0.2mm-2mm。
Test fixture provided in this embodiment includes the deformed spring needle tested substrate and be arranged on test substrate, this is different
Shape spring needle is bent by deformable strip conductive material, and the fixed part and test substrate connection of deformed spring needle are solid
It is fixed, the deformations of deformed spring needle can when being squeezed flexible deformation.Pcb board is placed on above test substrate, is made different
The deformations of shape spring needle enter in the stamp hole at pcb board edge, by keeping pcb board close to test substrate pcb board force,
Pcb board squeezes the deformations of deformed spring needle during being moved to test substrate, makes the connecting section 322 of deformations
Angle between stamp hole tapers into or even can reach the state that connecting section 322 is bonded completely with the inner wall of stamp hole,
To which pcb board be clamped using deformed spring needle.
Compared with using the method that thimble fixes pcb board in the prior art, the test fixture of the present embodiment increases abnormity
The contact area of spring needle and stamp hole on pcb board, can improve the fixed effect of pcb board, improve the reliability of contact.Due to
Deformed spring needle is distributed along the notch edges of test substrate, and deformed spring needle can be automatically positioned in stamp hole when test, is surveyed
Upward ejecting force is applied to PCB plates by ejecting mechanism after examination, you can so that pcb board is detached with deformed spring needle, tear open
Dress is easy, easy to maintain.Compared to thimble, the deformed spring needle construction novel and unique of the utility model, but to manufacture craft and
Required precision is not high, is easy to make, and production cost is low, is conducive to batch production test.
Embodiment
The present embodiment provides a kind of test fixture of the pcb board with stamp hole, which is used to fix pcb board,
Wherein, pcb board is rectangular slab, and the edge of pcb board is evenly distributed with stamp hole, and the shape of stamp hole can be tooth form half bore.Fig. 1
It is a kind of structural schematic diagram of the test fixture for pcb board with stamp hole that the utility model embodiment provides, refers to figure
1, the test fixture of the present embodiment includes testing substrate 1, the deformed spring needle 3 being arranged on test substrate and being set to test base
Ejecting mechanism below plate.
Wherein, test substrate can be made up of PCB technology, can also be made up of insulation board.Test substrate is rectangle
Plate, 1 middle part of test substrate offer rectangular notch 2, and notch 2 is tested corresponding on substrate 1 through the upper and lower surface of test substrate 1
The position at four angles is equipped with mounting hole, tests on substrate 1 and is additionally provided with multigroup mounting hole, and multigroup mounting hole is along four of notch 2
While being uniformly distributed.Fig. 2 shows one group of mounting holes, refer to Fig. 2, and every group of mounting hole includes the third mounting hole set gradually
44, the first mounting hole and the second mounting hole 43, the first mounting hole are divided into as the first mounting hole 41 and the second mounting hole 42, third peace
Hole 44 and 41 preferably circular hole of the first mounting hole are filled, the second mounting hole 42 and the second mounting hole 43 are preferably strip-shaped hole.Third
Mounting hole 44 is for welding p-wire.
Deformed spring needle 3 is connect by mounting hole 4 with the test substrate 1.Specifically, deformed spring needle 3 is using elasticity
Preferable strip conductive material is made, and the cross section of conductive material is circle, a diameter of 0.2mm-2mm of the cross section.Fig. 2
It is the structural schematic diagram of deformed spring needle, which is formed by bending by conductive material, is divided into fixed part 31 and deformations
32, wherein fixed part 31 is used to be used to abut with the stamp hole 6 on pcb board with test substrate connection, deformations 32.As one
Kind be preferably carried out mode, the shape of fixed part 31 can be city wall pile shape, the shapes of deformations 32 be similar to " Λ " or
" ︹ ".It being preferably carried out mode as one kind, the conductive material can be brass wire or plating nickel wire.
Wherein, the fixed part 31 of deformed spring needle 3 include be sequentially connected the first inserting section 313, the first restriction section 311,
The deformations 32 of second inserting section 314 and the second restriction section 312, deformed spring needle 3 include deformation section and free segment 323, deformation
The both ends of section connect with the second restriction section 312 and free segment 323 respectively.Wherein, the strip conductive material is divided into
One end, the first middle part, the second middle part and the second end, the first inserting section 313 is from the first end of conductive material to a lateral bending
Curved to be formed from the first middle part of conductive material to curving at, the second inserting section 314, deformation section is by the second of conductive material
Middle part is formed to curving, and free segment 323 is bent to form by the second end of conductive material, the first inserting section 313 and second
Conductive material part between inserting section 314 is divided into the first restriction section 311, the conduction material between the second inserting section 314 and deformation section
Material part is the second restriction section 312, and the first inserting section 313, the second inserting section 314 and free segment 323 are respectively positioned on the first inserting section
313 side, deformation section are located at the other side of the first inserting section 313.Preferably, first restriction section and the second restriction section
It can be coaxial.
First inserting section 313 is inserted into the first mounting hole 41, and the second inserting section 314 is inserted into the second mounting hole 42, and first
It is fixed by the method for soldering or gluing between inserting section 313 and the first mounting hole 41, the second inserting section 314 and second
Be fixed by the method for soldering or gluing between mounting hole 42, the first restriction section 311 and the second restriction section 312 with survey
The upper surface of trial base 1 is bonded.It is further fixed by connecting material on the basis of mating, grafting can be improved
Cooperation tight ness rating between section and mounting hole, keeps the cooperation between deformed spring needle and the first mounting hole more firm, improves connection
Reliability.The free segment 323 enters in the second mounting hole, and can be moved along the long axis direction of the second mounting hole.
The deformation section includes supporting section 321 and connecting section 322, and the supporting section 321 connects with restriction section, the abutting
Section 322 connects with free segment 323, and the connecting section 322 is tilted to the notch 2 and formed between the test substrate 1 small
In 80 ° of acute angle, the connecting section 322 for being abutted with the stamp hole 6 on pcb board, the supporting section 321 for
It connects and the support force opposite with force direction is squeezed is provided when section 322 is squeezed.
The ejecting mechanism includes knock-pin 7 and driving mechanism, which is located at the lower section of test substrate 1, and just
To the notch 2 of the test substrate 1, driving mechanism is for driving knock-pin 7 to move up and down.
When being tested pcb board using the test fixture of the present embodiment, first pcb board is placed on above test substrate,
The connecting section 322 of deformed spring needle is set to enter in the stamp hole 6 at pcb board edge, at this time the inner wall of connecting section 322 and stamp hole 6
Between form angle, power from the top down then is applied to pcb board, keeps pcb board close to test substrate, pcb board is to test
Substrate squeezes the connecting section 322 of deformed spring needle during, makes connecting section 322 to the direction far from notch 2
Mobile, the angle between connecting section 322 and stamp hole 6, which tapers into, (or even can reach connecting section and the inner wall of stamp hole is complete
The state being bonded entirely), since the supporting section 321 being connected with connecting section 322 and the position of test substrate 1 are relatively fixed, supporting section
321 can be that connecting section 322 provides support force, and connecting section 322 is made of elastic material in addition, thus connecting section 322 can be right
Pcb board forms clamping to fixed pcb board.
Thimble is used to fix in the method for pcb board in the prior art, the end of thimble is contacted with the stamp hole of pcb board, top
The contact area in needle and cooking oil coupon hole is no more than the area of thimble end, be easy to cause contact built on the sand, contact reliability it is low, and
The installation accuracy of which is with high requirements and high cost.Compared with using the method that thimble fixes pcb board in the prior art, this practicality
New Scheme increases the contact area of deformed spring needle and stamp hole on pcb board, can improve deformed spring needle and be connect with pcb board
Tactile reliability.
Since deformed spring needle is distributed along the notch edges of test substrate, the notch position of deformed spring needle and test substrate
Deformed spring needle can be automatically positioned in stamp hole when setting lucky correspondence, thus testing, and be not easy to skid off from stamp hole,
Contact is reliable for it, maintains easily.After being completed, driving mechanism driving knock-pin moves up to apply pcb board upward
Ejecting force, you can so that pcb board is detached with deformed spring needle, it is easy to operate, efficient and easy to maintain.
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Above example only expresses the several embodiments of the utility model, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of test fixture of the pcb board with stamp hole, including test substrate (1), the test substrate (1) are equipped with and pass through
Wear the notch (2) of the test substrate, which is characterized in that multiple spring needles (3) are additionally provided on the test substrate (1), it is multiple
The spring needle (3) along the notch (2) edge distribution；
The spring needle (3) is bent by strip conductive material, and spring needle (3) includes fixed part (31) and deformations
(32), the fixed part (31) includes restriction section and inserting section, the deformations (32) include deformation section and with the deformation section
The free segment (323) of linkage, the deformation section between the restriction section and the free segment (323), the inserting section and
The deformation section is located at the both sides of the restriction section；
The fixed part (31) is connect by the inserting section with the test substrate (1), and the deformations (32) pass through described
Deformation section is abutted with the stamp hole (6) on pcb board to limit position of the pcb board (5) relative to test substrate (1).
2. a kind of test fixture of pcb board with stamp hole according to claim 1, which is characterized in that the test
Substrate (1) is equipped with multigroup mounting hole (4), and the mounting hole (4) is along the edge distribution of the notch (2), the spring needle
(3) it is connect with the test substrate (1) by the mounting hole (4).
3. a kind of test fixture of pcb board with stamp hole according to claim 2, which is characterized in that every group of installation
Hole (4) includes the first mounting hole and the second mounting hole (43)；
The inserting section is fixed in first mounting hole, and the restriction section and deformation section are located at the test substrate (1)
Top, the free segment (323) are located in second mounting hole (43) and can be moved in second mounting hole (43), institute
Deformation section is stated for being abutted with the stamp hole (6) on pcb board, and can be deformed upon when being squeezed by the stamp hole (6),
To drive the free segment (323) to be moved in second mounting hole (43).
4. a kind of test fixture of pcb board with stamp hole according to claim 3, which is characterized in that the limitation
Section and inserting section constitute city wall pile shape.
5. a kind of test fixture of pcb board with stamp hole according to claim 3, which is characterized in that the grafting
Section passes through first mounting hole and is fixed by connecting material, and second mounting hole (43) is long stripes through hole.
6. a kind of test fixture of pcb board with stamp hole according to claim 3, which is characterized in that the deformation
Section includes supporting section (321) and connecting section (322), and the supporting section (321) connects with restriction section, the connecting section (322) and
Free segment (323) connects, and the connecting section (322) tilts to the notch (2) and formed between the test substrate (1) sharp
Angle angle, the connecting section (322) with the stamp hole (6) on pcb board for abutting, and the supporting section (321) is for abutting
The support force opposite with force direction is squeezed is provided when section (322) is squeezed.
7. a kind of test fixture of pcb board with stamp hole according to claim 6, which is characterized in that the abutting
Angle between section (322) and the test substrate (1) is less than 80 °.
8. a kind of test fixture of pcb board with stamp hole according to claim 1, which is characterized in that the test
Fixture further includes ejecting mechanism, and the ejecting mechanism setting is in the lower section of the test substrate (1), the knock-pin of ejecting mechanism
(7) notch (2) of substrate (1) is tested described in face.
9. a kind of test fixture of pcb board with stamp hole according to claim 2, which is characterized in that the notch
(2) it is that rectangle, the mounting hole (4) and spring needle (3) are arranged along at least one set of opposite side of the notch (2).
10. a kind of test fixture of pcb board with stamp hole according to claim 1, which is characterized in that the spring
The cross section of needle (3) is circle, a diameter of 0.2mm-2mm of the cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136900.2U CN207924084U (en) | 2018-01-26 | 2018-01-26 | A kind of test fixture of the pcb board with stamp hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820136900.2U CN207924084U (en) | 2018-01-26 | 2018-01-26 | A kind of test fixture of the pcb board with stamp hole |
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| CN207924084U true CN207924084U (en) | 2018-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072832A (en) * | 2018-01-26 | 2018-05-25 | 深圳市布谷鸟科技有限公司 | A kind of test fixture of the pcb board with stamp hole |
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2018
- 2018-01-26 CN CN201820136900.2U patent/CN207924084U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072832A (en) * | 2018-01-26 | 2018-05-25 | 深圳市布谷鸟科技有限公司 | A kind of test fixture of the pcb board with stamp hole |
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