CN220872508U - Special-shaped fixing clamp for PCB test module - Google Patents

Abstract

The utility model discloses a special-shaped fixing clamp for a PCB test module, which belongs to the field of PCB test modules and comprises a mounting frame, wherein a plurality of clamp pipes are arranged at the upper end of the mounting frame in a penetrating manner, a bottom plate positioned at the lower side of the clamp pipes is arranged in the mounting frame, a compression spring is fixedly connected between the clamp pipes and the bottom plate, a positioning plate positioned at the upper side of the bottom plate is arranged in the mounting frame, a plurality of positioning holes matched with the clamp pipes are formed at the upper end of the positioning plate, an inner pipe penetrating the clamp pipes is fixedly connected at the upper end of the bottom plate, the upper end of the inner pipe extends into the clamp pipes and is in sliding connection with the clamp pipes, the compression spring is sleeved outside the inner pipe, and the clamp of a special-shaped printed circuit board is realized by expanding after being stressed by an air bag in the clamp pipes, so that the position deviation of the clamp pipes is avoided, and the accuracy of test results is effectively ensured.

Description

Special-shaped fixing clamp for PCB test module

Technical Field

The utility model relates to the field of PCB test modules, in particular to a special-shaped fixing clamp for a PCB test module.

Background

The name of PCB is printed circuit board, also called printed circuit board, which is an important electronic component, is a support for electronic components, is a carrier for the electronic components to be electrically connected with each other, and is called "printed circuit board" because it is made by adopting electronic printing technology.

In the PCB production finished product process, the performance of the PCB needs to be tested, in order to ensure the stability of the PCB during the test, the PCB is generally fixed by using a clamp, but the PCB is different in shape and size, and the common clamp cannot adapt to the PCB with various types, so that the PCB is offset in the test process, and the accuracy of the test result is influenced.

Therefore, a special-shaped fixing clamp for a PCB test module is provided to solve some problems in the prior art.

Disclosure of utility model

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the special-shaped fixing clamp for the PCB test module, which is characterized in that the clamping of the special-shaped printed circuit board is realized by utilizing the expansion of the air bag in the clamping tube after being stressed, so that the position deviation of the special-shaped printed circuit board is avoided, and the accuracy of a test result is effectively ensured.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a PCB test module is with dysmorphism mounting fixture, includes the mounting bracket, and the mounting bracket upper end runs through and is provided with a plurality of clamp pipes, and mounting bracket internally mounted has the bottom plate that is located a plurality of clamp pipe downside, fixedly connected with compression spring between clamp pipe and the bottom plate, and the inside locating plate that is located the bottom plate upside that is provided with of mounting bracket, a plurality of locating holes with clamp pipe looks adaptation have been seted up to the locating plate upper end.

Further, bottom plate upper end fixedly connected with runs through the inner tube that the clamp pipe set up, and inner tube upper end extends to the clamp intraduct and with clamp pipe sliding connection, compression spring cover is established in the inner tube outside, and the inner tube can be realized the location to compression spring, avoids compression spring to take place abnormal shape deformation after the atress.

Further, the right end of the locating plate is fixedly connected with two multi-groove clamping blocks which are arranged front and back, and the locating plate is clamped with the bottom plate through the multi-groove clamping blocks.

Further, press from both sides the pipe including with mounting bracket sliding connection's outer tube, the constant head tank with locating plate looks adaptation has been seted up to outer tube outer end, outer tube upper end fixedly connected with is located the upper tube of mounting bracket upside, fixedly connected with is located the gasbag of mounting bracket upside between upper tube and the outer tube.

Further, the airbag is filled with sufficient gas, the outer wall of the airbag is uniformly coated with an adhesive layer, and the adhesive layer can effectively improve the stability of the airbag between the upper pipe and the outer pipe.

Further, the upper end of the upper pipe is penetrated and provided with a driving rod in threaded connection with the driving rod, the lower end of the driving rod extends into the upper pipe, the lower end of the driving rod is fixedly connected with a disc matched with the air bag, and a user can squeeze the air bag by screwing the driving rod to move downwards, so that the air bag deforms to clamp the PCB test module.

Further, the mounting bracket lower extreme is provided with four evenly equidistant supporting legs, and the rubber sheet of anti-skidding line has been seted up to supporting leg lower extreme fixedly connected with outer wall, and the rubber sheet of anti-skidding line has been seted up to the outer wall can effectively increase the frictional force between anchor clamps and the ground to effectively improve anchor clamps at the stability of during operation, avoid taking place the position offset.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the air bag in the clamping tube is expanded after being stressed, so that the special-shaped printed circuit board is clamped, the position deviation of the special-shaped printed circuit board is avoided, and the accuracy of a test result is effectively ensured.

(2) The positioning of the compression spring can be realized by arranging the inner tube, abnormal deformation of the compression spring after being stressed is avoided, and the stability of the air bag between the upper tube and the outer tube can be effectively improved by uniformly coating the outer wall of the air bag with the adhesive layer.

(3) The driving rod is twisted to move downwards to extrude the air bag, so that the air bag deforms to clamp the PCB test module, and the disc can enable the air bag to be stressed more uniformly.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the internal structure of the clip tube of the present application;

FIG. 3 is a schematic perspective view of a locating plate according to the present application;

fig. 4 is a schematic perspective view of the present application in operation.

The reference numerals in the figures illustrate:

1. A mounting frame; 2. clamping a pipe; 3. a bottom plate; 4. an inner tube; 5. a compression spring; 6. a positioning plate; 7. positioning holes; 8. a multi-groove clamping block; 9. an outer tube; 10. a positioning groove; 11. an upper pipe; 12. a driving rod; 13. an air bag; 14. a disk.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-4, the special-shaped fixing clamp for a pcb test module comprises a mounting frame 1, and is characterized in that: the mounting bracket 1 upper end runs through and is provided with a plurality of clamp pipes 2, and mounting bracket 1 internally mounted has the bottom plate 3 that is located a plurality of clamp pipes 2 downside, fixedly connected with compression spring 5 between clamp pipe 2 and the bottom plate 3, and compression spring 5's elasticity is less, and the usefulness here is only for realizing clamp pipe 2's reduction, and mounting bracket 1 is inside to be provided with the locating plate 6 that is located the bottom plate 3 upside, and a plurality of locating holes 7 with clamp pipe 2 looks adaptation have been seted up to locating plate 6 upper end.

Referring to fig. 1, an inner tube 4 penetrating through the clamp tube 2 is fixedly connected to the upper end of the bottom plate 3, the upper end of the inner tube 4 extends into the clamp tube 2 and is slidably connected with the clamp tube 2, and a compression spring 5 is sleeved on the outer side of the inner tube 4. The inner tube 4 can realize the positioning of the compression spring 5, and the compression spring 5 is prevented from deformed after being stressed.

Referring to fig. 3, the right end of the positioning plate 6 is fixedly connected with two multi-groove clamping blocks 8 arranged front and back, and the positioning plate 6 is clamped with the bottom plate 3 through the multi-groove clamping blocks 8.

Example 2

The utility model provides a special-shaped fixing clamp for a PCB test module, wherein the same or corresponding parts as those in the embodiment 1 adopt the corresponding reference numerals as those in the embodiment 1, only the difference points with the embodiment 1 are described below for simplicity, referring to fig. 2, the clamping tube 2 comprises an outer tube 9 which is in sliding connection with the mounting frame 1, the outer end of the outer tube 9 is provided with a positioning groove 10 which is matched with a positioning plate 6, the upper end of the outer tube 9 is fixedly connected with an upper tube 11 which is positioned at the upper side of the mounting frame 1, an air bag 13 which is positioned at the upper side of the mounting frame 1 is fixedly connected between the upper tube 11 and the outer tube 9, the air bag 13 is filled with sufficient gas, the outer wall of the air bag 13 is uniformly coated with an adhesive layer, the adhesive layer can effectively improve the stability of the air bag 13 between the upper tube 11 and the outer tube 9, a driving rod 12 which is in threaded connection with the upper end of the upper tube is arranged, the lower end of the driving rod 12 extends into the upper tube 11, the lower end of the driving rod 12 is fixedly connected with a disc 14 which is matched with the air bag 13, and a user can press the air bag 13 by downwards moving the driving rod 12 to form the extrusion of the air bag 13, so that the air bag 13 can clamp the PCB test module to be used for testing the PCB.

Please refer to fig. 1, mounting bracket 1 lower extreme is provided with four even equidistance supporting legs, and the rubber sheet of anti-skidding line has been seted up to supporting leg lower extreme fixedly connected with outer wall, and the rubber sheet of anti-skidding line has been seted up to the outer wall can effectively increase the frictional force between anchor clamps and the ground to effectively improve anchor clamps stability at the during operation, avoid taking place the position offset.

When detecting the special-shaped printed circuit board, a user firstly places the special-shaped printed circuit board at the upper ends of the clamping pipes 2, then presses the special-shaped printed circuit board downwards, the clamping pipes 2 at the lower ends of the special-shaped printed circuit board move downwards at this moment, the compression springs 5 shrink, after the lower ends of the special-shaped printed circuit board are contacted with the mounting frame 1, the user moves the positioning plate 6 to be clamped with the positioning grooves 10 at the outer ends of the clamping pipes 2, positioning of the special-shaped printed circuit board at the lower ends is achieved, then the user presses the air bags 13 at the outer sides of the special-shaped printed circuit board, the air bags expand after being stressed, clamping of the special-shaped printed circuit board is achieved, and therefore position deviation of the special-shaped printed circuit board is avoided, and accuracy of a test result is effectively guaranteed.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. PCB test module is special-shaped mounting fixture for group, including mounting bracket (1), its characterized in that: the utility model discloses a mounting bracket, including mounting bracket (1), mounting bracket (1) upper end is run through and is provided with a plurality of clamp pipes (2), mounting bracket (1) internally mounted has bottom plate (3) that are located a plurality of clamp pipes (2) downside, fixedly connected with compression spring (5) between clamp pipe (2) and bottom plate (3), inside locating plate (6) that are located bottom plate (3) upside that are provided with of mounting bracket (1), a plurality of locating holes (7) with clamp pipe (2) looks adaptation have been seted up to locating plate (6) upper end.
2. 2. The special-shaped fixing clamp for a PCB test module set according to claim 1, wherein: the bottom plate (3) upper end fixedly connected with runs through interior pipe (4) that clamp pipe (2) set up, interior pipe (4) upper end extends to clamp pipe (2) inside and with clamp pipe (2) sliding connection, compression spring (5) cover is established in interior pipe (4) outside.
3. 3. The special-shaped fixing clamp for a PCB test module set according to claim 1, wherein: the positioning plate (6) is fixedly connected with two multi-groove clamping blocks (8) which are arranged front and back, and the positioning plate (6) is clamped with the bottom plate (3) through the multi-groove clamping blocks (8).
4. 4. The special-shaped fixing clamp for a PCB test module set according to claim 1, wherein: the clamp pipe (2) comprises an outer pipe (9) which is slidably connected with the mounting frame (1), a positioning groove (10) which is matched with the positioning plate (6) is formed in the outer end of the outer pipe (9), the upper end of the outer pipe (9) is fixedly connected with an upper pipe (11) which is positioned on the upper side of the mounting frame (1), and an air bag (13) which is positioned on the upper side of the mounting frame (1) is fixedly connected between the upper pipe (11) and the outer pipe (9).
5. 5. The special-shaped fixing clamp for a PCB test module set according to claim 4, wherein: the air bag (13) is filled with sufficient gas, and the outer wall of the air bag (13) is uniformly coated with an adhesive layer.
6. 6. The special-shaped fixing clamp for a PCB test module set according to claim 4, wherein: the upper end of the upper pipe (11) is provided with a driving rod (12) in a penetrating mode, the lower end of the driving rod (12) extends into the upper pipe (11), and the lower end of the driving rod (12) is fixedly connected with a disc (14) matched with the air bag (13).
7. 7. The special-shaped fixing clamp for a PCB test module set according to claim 1, wherein: four supporting feet with uniform equal distance are arranged at the lower end of the mounting frame (1), and the lower end of the supporting foot is fixedly connected with a rubber sheet with anti-skid lines arranged on the outer wall.