CN210199143U - Contact testing device - Google Patents

Contact testing device Download PDF

Info

Publication number
CN210199143U
CN210199143U CN201920743847.7U CN201920743847U CN210199143U CN 210199143 U CN210199143 U CN 210199143U CN 201920743847 U CN201920743847 U CN 201920743847U CN 210199143 U CN210199143 U CN 210199143U
Authority
CN
China
Prior art keywords
probe
contact
test
tested
plate
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.)
Active
Application number
CN201920743847.7U
Other languages
Chinese (zh)
Inventor
Zengjian Pan
潘增建
Jiaguang Sun
孙家广
Xiaohui Ma
马晓辉
Chunliang Bai
白春亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iray Technology Co Ltd
Original Assignee
Iray Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Iray Technology Co Ltd filed Critical Iray Technology Co Ltd
Priority to CN201920743847.7U priority Critical patent/CN210199143U/en
Application granted granted Critical
Publication of CN210199143U publication Critical patent/CN210199143U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measuring Leads Or Probes (AREA)

Abstract

The utility model discloses a contact testing arrangement, be equipped with the probe mounting panel that compresses tightly probe and test probe including supporting seat, one side and set firmly in the supporting seat and with the slide driving portion that the probe mounting panel linked firmly mutually, slide driving portion drives the probe mounting panel and slides for the supporting seat so that compress tightly the probe and compress tightly the product that awaits measuring and make test probe compress tightly the contact that awaits measuring. In the test process, the test probe can continuously press the contact to be tested, so that the test probe is stably contacted with the contact to be tested, the test probe can reliably test the contact to be tested, and the test result is more accurate; and the pressing probe can keep pressing the product to be tested in the test process, so that the product to be tested is prevented from tilting due to the pressing of the test probe, the test probe is further effectively ensured to be reliably contacted with the contact to be tested, and the test result is more accurate. Therefore the utility model provides a contact testing arrangement can be used for testing the contact that awaits measuring reliably.

Description

Contact testing device
Technical Field
The utility model relates to an electronic product test field, in particular to contact testing arrangement.
Background
Electronic products, such as mobile phones, computers, washing machines, televisions and the like, are often provided with a built-in circuit board, the circuit board is provided with a plurality of welding contacts for fixing various electronic components, the welding contacts are difficult to avoid the phenomenon of infirm welding in the welding process, and the normal work of the circuit board can be influenced in serious cases, so that a contact testing device is necessary to be used for detecting whether each contact is welded normally before delivery.
The existing contact testing device comprises a copper sheet elastic clamp and a tester, wherein the copper sheet elastic clamp is connected to a contact to be tested in a pressing mode during testing, the copper sheet elastic clamp utilizes current or voltage output by the tester to detect whether the contact to be tested is normal or not, and if the resistance value at the copper sheet elastic clamp is infinite, the circuit board where the contact to be tested is located is in an open circuit state; if the resistance value at the copper sheet elastic frame is zero, the circuit board where the contact to be detected is located is in a short circuit state; therefore, whether the circuit board works normally or not is detected through the contact to be detected.
However, the contact between the copper sheet elastic clamp and the contact to be tested is unstable, and the elastic sheet is easy to deform in the using process, so that the copper sheet elastic clamp is easy to separate from the contact to be tested in the testing process, the accuracy of the testing result is influenced, and the testing result is unreliable; furthermore, the copper sheet elastic clamp cannot fix the circuit board where the contact to be tested is located in the test process, so that the circuit board is very easy to tilt in the test process, the normal contact between the copper sheet elastic clamp and the contact to be tested is influenced, and the accuracy of the test result is influenced.
Therefore, how to reliably test the contact to be tested is an urgent technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a contact testing apparatus, which can be used to reliably test a contact to be tested.
The specific scheme is as follows:
the utility model provides a contact testing arrangement, include:
a supporting seat;
a probe mounting plate with a pressing probe and a testing probe arranged on one side;
and the sliding driving part is fixedly arranged on the supporting seat and fixedly connected with the probe mounting plate and is used for driving the probe mounting plate to slide relative to the supporting seat so as to enable the compression probe to compress a product to be tested and enable the test probe to compress a contact to be tested.
Preferably, the sliding driving part comprises a sliding guide plate fixedly arranged on the supporting seat and a sliding push rod penetrating through the sliding guide plate and fixedly connected with the probe mounting plate, and a locking assembly used for locking the sliding push rod after the probe is pressed to press the product to be tested and the test probe presses the contact to be tested is arranged at one end of the sliding push rod far away from the probe mounting plate.
Preferably, the locking assembly includes a locking handle rotatably mounted to the sliding push rod and having a locking groove, and a locking block fixedly mounted to the sliding guide plate and adapted to be engaged with the locking groove.
Preferably, the test fixture further comprises a bearing plate arranged on the support base and used for bearing a product to be tested, and the bearing plate is provided with a plurality of limiting grooves used for limiting the position of the product to be tested.
Preferably, the test device further comprises a product position adjusting assembly arranged between the bearing plate and the supporting seat and used for adjusting the position of the bearing plate relative to the supporting seat so as to align the test probe with the contact to be tested.
Preferably, the product position adjustment assembly includes:
the movable adjusting rod is fixedly connected with the bearing plate;
the fixed adjusting hole is arranged on the supporting seat and matched with the movable adjusting rod;
and the adjusting nut is matched with the movable adjusting rod and used for locking the movable adjusting rod after the movable adjusting rod is fixed relative to the fixed adjusting hole.
Preferably, a plurality of unit adjusting plates are detachably mounted on the probe mounting plate, each unit adjusting plate is provided with a group of pressing probes and testing probes which are used for acting on any product to be tested, and a probe position adjusting assembly used for adjusting the position of the unit adjusting plate relative to the probe mounting plate is arranged between the probe mounting plate and any unit adjusting plate.
Preferably, the probe position adjustment assembly comprises:
a waist-shaped adjusting hole arranged on the probe mounting plate;
the limiting adjusting rod is fixedly connected with the unit adjusting plate and penetrates through the waist-shaped adjusting hole;
and the limiting locking nut is matched with the limiting adjusting rod and used for limiting the movement of the limiting adjusting rod relative to the waist-shaped adjusting hole.
Preferably, the probe fixing device further comprises a guide assembly arranged between the supporting seat and the probe mounting plate and used for guiding the probe mounting plate to slide relative to the supporting seat.
Preferably, the guide assembly comprises a guide slide rail fixedly arranged on the support base and a guide slide block fixedly connected with the probe mounting plate and matched with the guide slide rail.
Compared with the prior art, the utility model discloses a probe mounting panel, one side of probe mounting panel is equipped with and compresses tightly probe and test probe. And starting the sliding driving part, driving the probe mounting plate to slide relative to the supporting seat by the sliding driving part, driving the compression probe and the test probe to synchronously slide by the probe mounting plate until the compression probe compresses a product to be tested, and pressing the contact to be tested by the test probe, thereby testing the contact to be tested.
Obviously, in the test process, the test probe can continuously press the contact to be tested, so that the test probe is stably contacted with the contact to be tested, the test probe can reliably test the contact to be tested, and the test result is more accurate; in addition, the pressing probe can keep pressing the product to be tested in the testing process, the product to be tested is prevented from tilting due to the pressing of the testing probe, the testing probe is further effectively guaranteed to be reliably contacted with the contact to be tested, and the testing result is more accurate.
Therefore the utility model provides a contact testing arrangement can be used for testing the contact that awaits measuring reliably.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a structural diagram of a contact testing apparatus according to an embodiment of the present invention.
The reference numbers are as follows:
the device comprises a supporting seat 1, a probe mounting plate 2, a sliding driving part 3, a pressing probe 4, a test probe 5, a bearing plate 6 and a guide assembly 7;
a slide guide 31, a slide pusher 32 and a locking assembly 33;
a limit groove 61.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a structural diagram of a contact testing apparatus according to an embodiment of the present invention.
It should be noted that the product to be tested herein may be a common circuit board.
The embodiment of the utility model discloses contact testing arrangement, including supporting seat 1, probe mounting panel 2 and slide driving portion 3.
The supporting seat 1 is used for supporting other parts. In this embodiment, the support base 1 is L-shaped and includes a vertical support plate and a horizontal support plate which are vertically disposed.
One side of the probe mounting plate 2 is provided with a compression probe 4 and a test probe 5, wherein the compression probe 4 is used for compressing a product to be tested, and the test probe 5 is used for testing a contact to be tested. Taking the current view of fig. 1 as an example, the probe mounting plate 2 is a long strip-shaped metal thin plate, and the pressing probe 4 and the testing probe 5 are arranged at the bottom of the probe mounting plate 2. Of course, not limited thereto.
Whereas the product to be tested is generally horizontally disposed on the horizontal support plate, accordingly, the probe mounting plate 2 is disposed parallel to the horizontal support plate. The probe mounting plate 2 is provided with a plurality of groups of probe test components, each group of probe test components corresponds to a functional unit for testing a product to be tested or a product to be tested, and each group of probe test components comprises at least one compression probe 4 and at least one test probe 5. Preferably, in this particular embodiment, each set of probe testing assemblies includes one compression probe 4 and two test probes 5.
In addition, the pressing probe 4 and the test probe 5 in each group of probe test assembly are arranged oppositely, so that the pressing probe 4 and the test probe 5 can be respectively used for pressing two ends of a product to be tested, the product to be tested is prevented from tilting in the test process, the test probe 5 is ensured to be stably contacted with a contact to be tested, and the test result is accurate and reliable. The specific structure and operation of the compression probe 4 and the test probe 5 can be found in the prior art and will not be described in detail herein.
Slide driving portion 3 sets firmly in supporting seat 1, and slide driving portion 3 links firmly with probe mounting panel 2 mutually to make slide driving portion 3 drive probe mounting panel 2 and slide for supporting seat 1, probe mounting panel 2 drives and compresses tightly probe 4 and test probe 5 synchronous slip, compress tightly the product that awaits measuring until compressing tightly probe 4, test probe 5 compresses tightly the contact that awaits measuring, conveniently test the contact that awaits measuring, prevent the product perk that awaits measuring simultaneously, guarantee test probe 5 and stably detect the contact that awaits measuring, further guarantee that the test result is accurate reliable.
In the testing process, the testing probe 5 can continuously press the contact to be tested, so that the testing probe 5 is stably contacted with the contact to be tested, the testing probe 5 is ensured to reliably test the contact to be tested, and the testing result is more accurate; in view of the fact that the compression probe 4 can keep compressing the product to be tested in the testing process, the product to be tested is prevented from tilting due to the pressing of the test probe 5, the reliable contact between the test probe 5 and the contact to be tested is further effectively guaranteed, and the testing result is more accurate. Therefore, the utility model provides a contact testing arrangement can be used for testing the contact that awaits measuring reliably.
Preferably, the sliding driving part 3 is fixedly connected with one side of the probe mounting plate 2 away from the product to be measured. The slide driving portion 3 includes a slide guide 31 and a slide pusher 32. The sliding guide plate 31 is L-shaped, and includes a vertical portion fixedly connected to the vertical support plate and a horizontal portion perpendicular to the vertical portion, and the horizontal portion has a guide slide for the sliding push rod 32 to pass through, so that the sliding push rod 32 slides relative to the sliding guide plate 31. One end of the sliding push rod 32 is fixedly connected with the probe mounting plate 2, so that the sliding push rod 32 drives the probe mounting plate 2 to slide.
In order to ensure the stable sliding of the probe mounting plate 2, in this embodiment, the sliding driving portion 3 includes two sets, and the sliding push rods 32 of the two sets of sliding driving portions 3 are respectively and fixedly connected with the two ends of the probe mounting plate 2, so as to prevent the probe mounting plate 2 from swinging relative to the supporting seat 1 in the sliding process. Of course, the structure and number of the slide driving portions 3 are not limited thereto.
In order to further improve the reliability of the test result, one end of the sliding push rod 32, which is far away from the probe mounting plate 2, is provided with a locking component 33, when the sliding push rod 32 stops sliding, that is, after the pressing probe 4 presses the product to be tested and the test probe 5 presses the contact to be tested, the locking component 33 locks the sliding push rod 32, so that the sliding push rod 32 is prevented from driving the probe mounting plate 2 to move continuously, the pressing probe 4 is reliably pressed on the product to be tested, meanwhile, the test probe 5 is reliably pressed on the contact to be tested, the pressing probe 4 and the test probe 5 are prevented from being bent, the accuracy of the test result is favorably improved, and the service lives of the pressing probe 4 and the test probe 5 are.
Preferably, the locking assembly 33 comprises a locking handle having a locking groove and a locking block, wherein the locking handle is rotatably mounted on the sliding push rod 32, in particular, the locking handle is mounted on a locking swivel pin which is fixed to the sliding push rod 32, such that the locking handle rotates relative to the sliding push rod 32 about the locking swivel pin. The locking block is fixed on the sliding guide plate 31 and matched with the locking groove. When the locking block engages the locking slot, the locking assembly 33 locks and the locking handle is fixed relative to the slide guide 31, preventing further sliding movement of the locking handle. When the locking block is disengaged from the locking groove, the locking assembly 33 is unlocked and the locking handle can slide relative to the slide guide 31. Of course, the arrangement position of the locking groove and the locking block is exchanged without affecting the realization of the utility model.
The utility model discloses still including the loading board 6 that is used for bearing the product that awaits measuring, on supporting seat 1 was located to loading board 6, horizontal support plate was specifically arranged in to loading board 6. For preventing the product that awaits measuring in the test procedure from sliding, loading board 6 has a plurality of spacing grooves 61, and during the test, the product that awaits measuring is arranged in spacing groove 61, prevents that the product that awaits measuring from sliding for supporting seat 1, guarantees test probe 5 and the reliable butt of the contact that awaits measuring, is favorable to promoting the test result. Preferably, the limiting groove 61 is a groove with an inner side surface contour consistent with an outer peripheral surface contour of the product to be measured.
For promoting the adaptability, the utility model discloses still including locating the product position control subassembly between loading board 6 and the supporting seat 1 to adjust loading board 6 for the position of supporting seat 1, guarantee test probe 5 and the contact alignment that awaits measuring, make test probe 5 can be applicable to the test position and at the contact that awaits measuring that the certain limit changed.
Preferably, the product position adjusting assembly comprises a movable adjusting rod, a fixed adjusting hole and an adjusting nut, wherein the movable adjusting rod is fixedly arranged on the bearing plate 6, and the preferable movable adjusting rod is arranged on one side of the bearing plate 6 close to the supporting seat 1. The fixed regulating hole is arranged on the supporting seat 1, and specifically can be a threaded hole penetrating through the thickness direction of the vertical supporting plate. The adjusting nut is matched with the movable adjusting rod, and when the movable adjusting rod is fixed relative to the fixed adjusting hole, the adjusting nut locks the movable adjusting rod, so that the bearing plate 6 is fixed relative to the supporting seat 1. When loosening adjusting nut, pulling adjustable plate, adjustable plate drives loading board 6 and removes for supporting seat 1, can align with the contact that awaits measuring until test probe 5, screws up adjusting nut after that, and adjustable plate is fixed for fixed regulation hole to it is fixed for supporting seat 1 to make loading board 6.
Preferably, the utility model discloses still including locating between supporting seat 1 and the probe mounting panel 2 and being used for guiding the gliding direction subassembly 7 of probe mounting panel 2 for supporting seat 1. Preferably, the guide assembly 7 comprises a guide slide rail fixedly arranged on the support base 1 and a guide slide rail fixedly connected with the probe mounting plate 2, and the guide slide rail is matched with the guide slide block to enable the guide slide block to slide relative to the guide slide rail along with the probe mounting plate 2. For preventing the swing of probe mounting panel 2, the utility model discloses specifically include two sets of direction subassemblies 7, the both sides of probe mounting panel 2 are located respectively to two sets of direction subassemblies 7.
In addition, the utility model discloses still provide another kind of embodiment, in this embodiment, other structures are unchangeable, only change the structure that is used for promoting the adaptability. Preferably, a plurality of unit adjusting plates are detachably mounted on the probe mounting plate 2, each unit adjusting plate is provided with a group of pressing probes 4 and test probes 5 which are used for acting on any product to be tested, a probe position adjusting assembly used for adjusting the position of the unit adjusting plate relative to the probe mounting plate 2 is arranged between the probe mounting plate 2 and any unit adjusting plate, so that the positions of the pressing probes 4 and the test probes 5 are adjusted according to the contact to be tested, and the test probes 5 are aligned with the contact to be tested.
Preferably, the probe position adjusting assembly comprises a kidney-shaped adjusting hole, a limit adjusting rod and a limit locking nut. Wherein, waist type regulation hole is located on the probe mounting panel 2, specifically is the waist type through-hole that runs through along 2 thickness directions of probe mounting panel. One end of the limit adjusting rod is fixedly connected with the unit adjusting plate, and the other end of the limit adjusting rod can penetrate through the waist-shaped adjusting hole. The limiting locking nut is matched with the limiting adjusting rod and used for limiting the movement of the limiting adjusting rod relative to the waist-shaped adjusting hole. Loosening the limit locking nut, adjusting the position of the limit adjusting rod and the waist-shaped adjusting hole, adjusting the unit adjusting plate relative to the probe mounting plate 2, adjusting the positions of the compression probes 4 and the test probes 5 until the test probes 5 are aligned with the contact to be tested, screwing the limit locking nut, and fixing the limit adjusting rod. Of course, the structure for improving the adaptability is not limited to the above two.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A contact testing device, comprising:
a support base (1);
a probe mounting plate (2) with a compression probe (4) and a test probe (5) arranged on one side;
set firmly in supporting seat (1) and with probe mounting panel (2) link firmly mutually, be used for driving probe mounting panel (2) for supporting seat (1) slide so that compress tightly probe (4) and compress tightly the product that awaits measuring and make test probe (5) compress tightly the slide driving portion (3) of the contact that awaits measuring.
2. The contact testing device according to claim 1, wherein the sliding driving portion (3) comprises a sliding guide plate (31) fixedly arranged on the supporting base (1) and a sliding push rod (32) penetrating through the sliding guide plate (31) and fixedly connected with the probe mounting plate (2), and a locking assembly (33) for locking the sliding push rod (32) after the pressing probe (4) presses the product to be tested and the testing probe (5) presses the contact to be tested is arranged at one end of the sliding push rod (32) far away from the probe mounting plate (2).
3. The contact testing device according to claim 2, wherein the locking assembly (33) comprises a locking handle rotatably mounted to the sliding push rod (32) and having a locking slot and a locking block fixedly mounted to the sliding guide plate (31) and adapted to cooperate with the locking slot.
4. The contact test device according to claim 2, further comprising a carrier plate (6) disposed on the supporting base (1) for carrying a product to be tested, wherein the carrier plate (6) has a plurality of position-limiting grooves (61) for limiting the position of the product to be tested.
5. The contact testing apparatus according to claim 4, further comprising a product position adjusting assembly disposed between the carrier plate (6) and the supporting base (1) for adjusting the position of the carrier plate (6) relative to the supporting base (1) to align the test probe (5) with the contact to be tested.
6. The contact testing apparatus of claim 5, wherein the product position adjustment assembly comprises:
the movable adjusting rod is fixedly connected with the bearing plate (6);
the fixed adjusting hole is arranged in the supporting seat (1) and matched with the movable adjusting rod;
and the adjusting nut is matched with the movable adjusting rod and used for locking the movable adjusting rod after the movable adjusting rod is fixed relative to the fixed adjusting hole.
7. The contact testing apparatus according to claim 4, wherein a plurality of unit adjustment plates are detachably mounted on the probe mounting plate (2), each unit adjustment plate has a set of the pressing probe (4) and the test probe (5) for acting on any product to be tested, and a probe position adjustment assembly for adjusting the position of the unit adjustment plate relative to the probe mounting plate (2) is provided between the probe mounting plate (2) and any unit adjustment plate.
8. The contact testing apparatus of claim 7, wherein the probe position adjustment assembly comprises:
the waist-shaped adjusting hole is formed in the probe mounting plate (2);
the limiting adjusting rod is fixedly connected with the unit adjusting plate and penetrates through the waist-shaped adjusting hole;
and the limiting locking nut is matched with the limiting adjusting rod and used for limiting the limiting adjusting rod to move relative to the waist-shaped adjusting hole.
9. The contact testing device according to any one of claims 1 to 8, further comprising a guide assembly (7) disposed between the support base (1) and the probe mounting plate (2) for guiding the probe mounting plate (2) to slide relative to the support base (1).
10. The contact test apparatus according to claim 9, wherein the guide assembly (7) comprises a guide rail fixedly mounted on the support base (1) and a guide slider fixedly connected to the probe mounting plate (2) and cooperating with the guide rail.
CN201920743847.7U 2019-05-21 2019-05-21 Contact testing device Active CN210199143U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920743847.7U CN210199143U (en) 2019-05-21 2019-05-21 Contact testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920743847.7U CN210199143U (en) 2019-05-21 2019-05-21 Contact testing device

Publications (1)

Publication Number Publication Date
CN210199143U true CN210199143U (en) 2020-03-27

Family

ID=69874834

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920743847.7U Active CN210199143U (en) 2019-05-21 2019-05-21 Contact testing device

Country Status (1)

Country Link
CN (1) CN210199143U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113917250A (en) * 2021-09-08 2022-01-11 三维通信股份有限公司 Power amplifier module testing method and jig
CN114217102B (en) * 2021-09-29 2022-08-09 杭州长川科技股份有限公司 Module testing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113917250A (en) * 2021-09-08 2022-01-11 三维通信股份有限公司 Power amplifier module testing method and jig
CN114217102B (en) * 2021-09-29 2022-08-09 杭州长川科技股份有限公司 Module testing device

Similar Documents

Publication Publication Date Title
CN210199143U (en) Contact testing device
CN214750458U (en) Test jig for circuit board
CN210923829U (en) Multi-range capacitance detection clamp
CN104777393B (en) A kind of adjustable detection screw device
CN113358936B (en) Resistance measuring device for conductive adhesive tape in shielding cover
CN216717208U (en) Detection device with corner positioning structure for electronic connector
CN214953792U (en) Resistance-capacitance testing device with grid
CN210720573U (en) Welding type electric contact element contact resistance rapid testing device
CN215415791U (en) Battery detector
CN112781847B (en) Keyboard all-in-one function detection machine
CN211905439U (en) Novel computer mainboard test carrier
CN212207584U (en) Mouse circuit board function test fixture
CN211476989U (en) Tool for detecting warping degree of large-size PCB
CN111398643A (en) Probe hanging type testing mechanism
CN212301812U (en) Lamp piece detection device
JP3803692B2 (en) Horizontal holding mechanism and printed circuit board inspection apparatus or component soldering apparatus using the same
CN214953780U (en) Test fixture for plug-in type resistor
CN218767128U (en) Network transformer test fixture
CN217404363U (en) Spring needle detection device convenient to change spring needle
CN216248288U (en) Ignition switch contact pin detection device
CN218380783U (en) Gasket thickness detection instrument
CN209102832U (en) A kind of jig that the test of four lines can be achieved
CN212301640U (en) Probe hanging type testing mechanism
CN218917459U (en) Network connector test fixture
CN219695188U (en) Pin testing mechanism for electronic element

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant