CN219065531U

CN219065531U - Clamp for circuit board test

Info

Publication number: CN219065531U
Application number: CN202223059566.0U
Authority: CN
Inventors: 薛政超
Original assignee: Shanghai Dajiatian Electronic Manufacturing Co ltd
Current assignee: Shanghai Dajiatian Electronic Manufacturing Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-05-23
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a clamp for testing a circuit board, and belongs to the technical field of clamps; including the mounting panel, four corner positions in bottom of mounting panel all are provided with the supporting legs, four corners in top of mounting panel all are provided with the bracing piece, the bracing piece is L shape setting, the top of bracing piece is provided with the connecting rod, and the outside of connecting rod has cup jointed splint, splint are the same with the orientation of bracing piece. The utility model can clamp the four corner positions of the circuit board, thereby avoiding the contact between the bottom end of the circuit board and the tabletop, and further avoiding the damage caused by the extrusion of the chip capacitor or the diode on the back of the circuit board to the tabletop in the testing process, and ensuring that the circuit board is more convenient to test and use.

Description

Clamp for circuit board test

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp for testing a circuit board.

Background

In modern society, most countries are developing intelligent electronic industry, so that the demand for circuit boards is very large, and after a circuit board is produced, small test points are installed above the circuit board, so that personnel can test whether the functions of the circuit board are complete.

In the process of detection, a detection pen is usually contacted with a test point on a circuit board, so that detection is completed, but in the process of detection, the circuit board is usually directly placed on a tabletop, and the back surface of the circuit board is usually provided with a patch capacitor or a diode, so that the patch capacitor or the diode is contacted with the tabletop in the process of detection, and when the force of contact between a test instrument in a hand and the circuit board is overlarge in the process of detection, a person can squeeze the tabletop by the patch capacitor or the diode on the back surface, so that the patch capacitor or the diode is easy to damage.

Disclosure of Invention

The utility model aims to solve the defects of the prior art in the background art, and provides a clamp for testing a circuit board.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the clamp for testing the circuit board comprises a mounting plate, wherein supporting feet are arranged at four corner positions of the bottom end of the mounting plate, supporting rods are arranged at four corner positions above the mounting plate, the supporting rods are L-shaped, connecting rods are arranged at the top ends of the supporting rods, clamping plates are sleeved outside the connecting rods, and the directions of the clamping plates and the supporting rods are the same;

the four corners of the circuit board can be clamped, so that a certain distance is reserved between the bottom side of the circuit board and the table top, and the condition that the circuit board is damaged by extrusion in the testing process is avoided.

Preferably, the four corners of the top end of the mounting plate are provided with embedded holes, the bottom end of the supporting rod is provided with embedded rods, and the embedded rods are mutually matched with the embedded holes;

the embedded bars can be inserted into different embedded holes, so that the positions of the four embedded bars can be adjusted at will, and the clamping effect of the circuit board is better according to the size and the shape of the circuit board.

Preferably, the outer part of the connecting rod is sleeved with a pressure spring, the pressure spring is positioned above the clamping plate, one end of the pressure spring is fixedly connected with the top end of the supporting rod, and the other end of the pressure spring is fixedly connected with the outer wall of the clamping plate;

can make compression spring promote splint be close to the bracing piece to make splint and bracing piece carry out the centre gripping to the circuit board, thereby make stability after the circuit board centre gripping better, avoid the circuit board to take place to rock and break away from at the in-process of test, make the test of circuit board more convenient.

Preferably, a first limiting rod is arranged at the bottom end of the embedded rod, the first limiting rod is in a T-shaped structure, an installation seat is arranged at the bottom end of the installation plate, a threaded rod is arranged at the middle position of the installation seat, a second limiting rod is sleeved outside the threaded rod, and the second limiting rod is matched with a groove formed between the first limiting rod and the embedded rod;

can be through the second gag lever post of sliding to make the second gag lever post remove to the recess inside that embedded bar and first gag lever post formed, thereby make the second gag lever post carry out spacingly to the embedded bar, avoid the bracing piece to take place the condition that breaks away from, make the stability of bracing piece better.

Preferably, the threads on the threaded rod are arranged in two directions, two groups of second limiting rods are arranged, and the two groups of second limiting rods are respectively positioned at two ends of the threaded rod;

the threaded rod can be rotated to further drive the two groups of second limiting rods to move simultaneously, thereby make the second gag lever post conveniently remove to the recess inside completion spacing between embedded bar and the first gag lever post.

Preferably, sliding wheels are arranged above the two ends of the second limiting rod, and the sliding wheels are mutually attached to the bottom ends of the mounting plates;

can make the stability when the second gag lever post slides better, thereby avoid the second gag lever post to take place to rock and break away from the inside of recess between embedded bar and the first gag lever post to make the stability of bracing piece better.

Preferably, both sides of the bottom end of the mounting plate are provided with limit grooves, and the sliding wheels extend to the inside of the limit grooves;

can make the movable pulley extend to the inside of spacing groove to the removal to the second gag lever post is spacing, avoids the second gag lever post to take place the condition of rocking, and then makes the fixed effect of second gag lever post better.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model can clamp the four corner positions of the circuit board, thereby avoiding the contact between the bottom end of the circuit board and the tabletop, and further avoiding the damage caused by the extrusion of the chip capacitor or the diode on the back of the circuit board to the tabletop in the testing process, and ensuring that the circuit board is more convenient to test and use.

2. According to the utility model, the second limiting rods can be moved into the grooves formed between the embedded rods and the first limiting rods by sliding the two groups of second limiting rods, so that the embedded rods are limited, the situation that the supporting rods are separated can be avoided, the stability of the supporting rods is better, the situation that the supporting rods are separated or shake in the detection process is avoided, and the detection effect of the circuit board is better.

Drawings

Fig. 1 is a schematic perspective view of a fixture for testing a circuit board according to the present utility model;

FIG. 2 is a schematic view of the bottom structure of FIG. 1;

FIG. 3 is a schematic view of the threaded rod and the second stop lever of FIG. 2;

fig. 4 is a schematic view of the structure of the brace and splint of fig. 1.

In the figure: 1. a mounting plate; 2. a support rod; 3. a connecting rod; 4. a clamping plate; 5. a pressure spring; 6. embedding holes; 7. a rod embedding; 8. a first stop lever; 9. a mounting base; 10. a threaded rod; 11. a second limit rod; 12. a sliding wheel; 13. and a limit groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to the fixture for testing the circuit board shown in fig. 1-4, supporting feet are arranged at four corners of the bottom end of the mounting plate 1, the mounting plate 1 can be placed on a desktop, then supporting rods 2 are arranged at four corners of the upper part of the mounting plate 1, the supporting rods 2 are L-shaped, meanwhile, embedded holes 6 are formed at four corners of the top end of the mounting plate 1, embedded rods 7 are arranged at the bottom end of the supporting rods 2, the embedded rods 7 can be inserted into the embedded holes 6 for installation limiting, then connecting rods 3 are arranged at the top ends of the supporting rods 2, clamping plates 4 are sleeved outside the connecting rods 3, the orientations of the clamping plates 4 and the supporting rods 2 are the same, and the four corners of the circuit board can be clamped.

To describe the support rod 2 in this embodiment specifically, please refer to fig. 1 and 4, a pressure spring 5 is sleeved outside the connecting rod 3, the pressure spring 5 is located above the clamping plate 4, one end of the pressure spring 5 is fixedly connected with the top end of the support rod 2, and the other end of the pressure spring 5 is fixedly connected with the outer wall of the clamping plate 4, so that the clamping effect of the circuit board is better.

Specifically, to make up explanation for the embedded rod 7 and the second limiting rod 11 in this embodiment, please refer to fig. 3 and 4, a first limiting rod 8 is disposed at the bottom end of the embedded rod 7, meanwhile, the first limiting rod 8 is disposed in a T shape, then, an installation seat 9 is disposed at the bottom end of the installation plate 1, a threaded rod 10 is disposed at the middle position of the installation seat 9, threads on the threaded rod 10 are disposed in two directions, then, the second limiting rod 11 is sleeved outside the threaded rod 10, and the second limiting rod 11 is disposed in two groups, the two groups of second limiting rods 11 are respectively disposed at two ends of the threaded rod 10, then, the second limiting rod 11 can be embedded into a groove formed between the first limiting rod 8 and the embedded rod 7 for fixing, then, both ends of the second limiting rod 11 are provided with sliding wheels 12, and meanwhile, both sides of the bottom end of the installation plate 1 are provided with limiting grooves 13, so that the sliding wheels 12 extend to the inside the limiting grooves 13 for guiding and limiting.

Working principle: when the circuit board house is used, the circuit board house can be arranged between the clamping plate 4 and the supporting rod 2, so that the clamping plate 4 and the supporting rod 2 can clamp the circuit board, then the embedded rod 7 on the supporting rod 2 is embedded into the embedded hole 6 on the mounting plate 1, the back of the circuit board cannot be attached to the mounting plate 1, further extrusion damage cannot occur in the detection process, the threaded rod 10 is rotated, the threaded rod 10 can drive the second limiting rod 11 to move, and then the second limiting rod 11 moves into the groove formed between the embedded rod 7 and the first limiting rod 8, so that the embedded rod 7 and the first limiting rod 8 are fixed, detachment is avoided, and the detection effect of the circuit board is better.

In the utility model, the installation mode, the connection mode or the setting mode of all the components are common mechanical modes, and the specific structure, the model and the coefficient index of all the components are self-contained technologies, so long as the beneficial effects can be achieved, the implementation can be carried out, and redundant description is omitted.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

In the present utility model, unless otherwise indicated, the terms "about" and "front and back," inner and outer, and vertical levels, "etc., used herein are merely intended to refer to the orientation of the term in conventional use, or are colloquially known to those skilled in the art, and should not be construed as limiting the term, while the terms" first, "second," and "third," etc., do not denote a particular number or order, but are merely intended to be used in distinguishing between the terms, and the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a anchor clamps that circuit board test used, includes mounting panel (1), its characterized in that, four corner positions in bottom of mounting panel (1) all are provided with the supporting legs, four corners in top of mounting panel (1) all are provided with bracing piece (2), bracing piece (2) are L shape setting, the top of bracing piece (2) is provided with connecting rod (3), and splint (4) have been cup jointed to the outside of connecting rod (3), splint (4) are the same with the orientation of bracing piece (2).

2. The clamp for testing the circuit board according to claim 1, wherein the embedded holes (6) are formed in four corners of the top end of the mounting plate (1), the embedded rods (7) are arranged at the bottom ends of the supporting rods (2), and the embedded rods (7) are mutually matched with the embedded holes (6).

3. The clamp for testing the circuit board according to claim 1, wherein a pressure spring (5) is sleeved outside the connecting rod (3), the pressure spring (5) is located above the clamping plate (4), one end of the pressure spring (5) is fixedly connected with the top end of the supporting rod (2), and the other end of the pressure spring (5) is fixedly connected with the outer wall of the clamping plate (4).

4. The clamp for testing the circuit board according to claim 2, wherein a first limiting rod (8) is arranged at the bottom end of the embedded rod (7), the first limiting rod (8) is in a T-shaped structure, a mounting seat (9) is arranged at the bottom end of the mounting plate (1), a threaded rod (10) is arranged at the middle position of the mounting seat (9), a second limiting rod (11) is sleeved outside the threaded rod (10), and the second limiting rod (11) is matched with a groove formed between the first limiting rod (8) and the embedded rod (7).

5. The fixture for testing a circuit board according to claim 4, wherein the threads on the threaded rod (10) are arranged in two directions, the second limiting rods (11) are arranged in two groups, and the two groups of second limiting rods (11) are respectively arranged at two ends of the threaded rod (10).

6. The fixture for testing the circuit board according to claim 4, wherein sliding wheels (12) are arranged above two ends of the second limiting rod (11), and the sliding wheels (12) are mutually attached to the bottom end of the mounting plate (1).

7. The fixture for testing the circuit board according to claim 6, wherein limiting grooves (13) are formed in two sides of the bottom end of the mounting plate (1), and the sliding wheels (12) extend into the limiting grooves (13).