CN219245742U

CN219245742U - Test fixture for loose terminal

Info

Publication number: CN219245742U
Application number: CN202223512941.2U
Authority: CN
Inventors: 林建龙; 赵东磊
Original assignee: Changzhou Youce Electronic Technology Co ltd
Current assignee: Changzhou Youce Electronic Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-23
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to a test fixture for a scattered terminal, which comprises a lower pressing block, a mutual hooking block, a test block and a main body block, wherein the pressing block, the mutual hooking block and the test block are movably arranged on the main body block, the main body block is provided with a lower pressing cavity for installing the lower pressing block, the main body block is also provided with a test cavity for installing the test block, the pressing block can slide up and down in the lower pressing cavity, the test block can slide up and down in the test cavity, the test block is provided with a scattered terminal positioning groove, the test block is also provided with a needle cavity for a test spring needle to pass through, and the scattered terminal positioning groove is communicated with the needle cavity. The utility model has the advantages of compact and reasonable structure, can test through lower briquetting, mutual piece, test block and main part piece, self manufacturing and the low cost of test.

Description

Test fixture for loose terminal

Technical Field

The utility model relates to a test fixture, in particular to a test fixture for loose terminals.

Background

The existing test method is to clamp through clamps, for example, one wire harness has 50 loose terminals, 50 clamps are needed to be connected from the test end, each clamp needs to be clamped on the corresponding loose terminal during test, for example, the method has a series of defects such as poor operation mode regularity and consistency and large occupied space, the largest defect of clamp clamping test is that the test tabletop is messy (one wire harness may have tens or even hundreds of loose terminals), if the test is performed by adopting a custom clamp, the clamp is still defective during use, the custom clamp is non-standard according to the shape of the terminal, the cost is high, the structure is complex, and the clamp is large in volume and poor in universality.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a test fixture for loose terminals, which comprises a lower pressing block, a mutual hooking block, a test block and a main body block, wherein the pressing block, the mutual hooking block and the test block are movably arranged on the main body block, the main body block is provided with a lower pressing cavity for installing the lower pressing block, the main body block is also provided with a test cavity for installing the test block, the pressing block can slide up and down in the lower pressing cavity, the test block can slide up and down in the test cavity, the test block is provided with a loose terminal positioning groove, the test block is also provided with a needle cavity for a test spring needle to pass through, and the loose terminal positioning groove is communicated with the needle cavity.

Preferably, the front end of the lower pressing block is fixedly provided with a pressing column through a pin, the lower pressing block is matched with the test block through the pressing column, a first U-shaped pin groove is formed in the block body of the lower pressing block, the lower pressing block is movably arranged on the main body block through the matching of the pin and the first U-shaped pin groove, a first limiting column is arranged in the lower pressing cavity, a first cavity is formed in the lower end of the block body of the lower pressing block, a reset spring is arranged between the first limiting column and the first cavity, and the lower pressing block is matched with the mutually-hooked block to realize locking of the lower pressing block.

Preferably, the mutual hooking block comprises a handle, an axle center and a first hooking body, the mutual hooking block is rotatably arranged on the main body block through the cooperation of the axle center, the pin and the torsion spring, and a second hooking body matched with the first hooking body is arranged on the side edge of the lower pressing block.

Preferably, the second U-shaped pin groove is formed in the block body of the test block, the test block is movably arranged on the main body block through the matching of the pin and the second U-shaped pin groove, a second limiting column is arranged in the test cavity, a second cavity is formed in the lower end of the block body of the test block, a reset spring is arranged between the second limiting column and the second cavity, and the upper end of the test spring needle penetrates through the second limiting column to enter the second cavity.

Preferably, the body of the main body block is also provided with a fixing hole.

By means of the scheme, the utility model has at least the following advantages:

the jig has the advantages of thin thickness and small volume, and can effectively utilize the installation space;

meanwhile, the device has the characteristics of compact and simple structure, can be used for testing through the pressing block, the mutual hooking block, the testing block and the main body block, and has low manufacturing and testing cost;

furthermore, the requirements of testing different loose terminals can be met only by replacing the test block, and other parts are all universal.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate a certain embodiment of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a test fixture for loose terminals according to the present utility model;

FIG. 2 is a schematic diagram showing a full-section structure of a test fixture for loose terminals according to the present utility model;

fig. 3 is a schematic cross-sectional structure of the body block 4 of the present utility model;

FIG. 4 is a schematic diagram of the structural relationship between the test block 3 and the test spring pins 8 of the present utility model;

fig. 5 is a schematic structural view of the test block 3 of the present utility model.

In the figure: the device comprises a pressing block 1, a mutual hooking block 2, a testing block 3, a main body block 4, a pressing cavity 5, a testing cavity 6, a scattered terminal positioning groove 7, a testing spring needle 8, a needle cavity 9, a pressing column 10, a first U-shaped pin groove 11, a first limiting column 12, a first cavity 13, a handle 14, an axle center 15, a first hooking body 16, a second hooking body 17, a second U-shaped pin groove 18, a second limiting column 19, a second cavity 20 and a fixing hole 21.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, the test fixture for loose terminals according to a preferred embodiment of the present utility model includes a pressing block 1, a cross-hooking block 2, a test block 3 and a main body block 4, wherein the pressing block 1, the cross-hooking block 2 and the test block 3 are movably disposed on the main body block 4, the main body block 4 is provided with a pressing cavity 5 for mounting the pressing block 1, a test cavity 6 for mounting the test block 3 is further provided, the pressing block 1 can slide up and down in the pressing cavity 5, the test block 3 can slide up and down in the test cavity 6, the test block 3 is provided with a loose terminal positioning slot 7, the test block 3 is further provided with a needle cavity 9 for a test spring needle 8 to pass through, and the loose terminal positioning slot 7 is communicated with the needle cavity 9.

Preferably, the front end of the lower pressing block 1 is fixedly provided with a pressing column 10 through a pin, the lower pressing block 1 is matched with the test block 3 through the pressing column 10, a first U-shaped pin groove 11 is formed in the block body of the lower pressing block 1, the lower pressing block 1 is movably arranged on the main body block 4 through the matching of the pin and the first U-shaped pin groove 11, a first limiting column 12 is arranged in the lower pressing cavity 5, a first cavity 13 is formed in the lower end of the block body of the lower pressing block 1, a reset spring is arranged between the first limiting column 12 and the first cavity 13, and the lower pressing block 1 is matched with the inter-hooking block 2 to realize locking of the lower pressing block 1.

Preferably, the inter-hook block 2 comprises a handle 14, an axle center 15 and a hook body I16, the inter-hook block 2 is rotatably arranged on the main body block 4 through the cooperation of the axle center 15, the pin and the torsion spring, and the side edge of the lower pressing block 1 is provided with a hook body II 17 matched with the hook body I16.

Preferably, the second U-shaped pin groove 18 is formed in the block body of the test block 3, the test block 3 is movably arranged on the main body block 4 through the matching of the pin and the second U-shaped pin groove 18, the second limiting column 19 is arranged in the test cavity 6, the second cavity 20 is formed in the lower end of the block body of the test block 3, a reset spring is arranged between the second limiting column 19 and the second cavity 20, and the upper end of the test spring needle 8 penetrates through the second limiting column 19 and enters the second cavity 20.

Preferably, the body of the main body block 4 is also provided with a fixing hole 21.

The working principle of the utility model is as follows:

when the device is used, a tested piece can be placed in the scattered terminal positioning groove 7 of the test block 3, a worker manually presses the pressing block 1, after pressing in place, the pressing block 1 and the mutually-hooked block 2 form mutually-hooked locking through the cooperation of the first hook body 16 and the second hook body 17, the compression column 10 compresses the tested piece in the scattered terminal positioning groove 7, meanwhile, the metal terminal of the tested piece is conducted with the test spring needle 8, the tail end of the test spring needle 8 leads to the test end of the test instrument, when all terminals are completely installed, the conduction test can be completed, after the test is completed, the handle 14 is manually pressed, the mutually-hooked is separated, the pressing block 1 rebounds upwards, and the tested piece can be released.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, other structures can refer to the common design, and the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A test fixture for loose terminals is characterized in that: including briquetting (1), each other collude piece (2), test piece (3) and main part piece (4), briquetting (1), each other collude piece (2), test piece (3) all activity sets up on main part piece (4), main part piece (4) open have install down briquetting (1) push down cavity (5), still open have install test cavity (6) of test piece (3), briquetting (1) can slide from top to bottom in pushing down cavity (5), test piece (3) can slide from top to bottom in test cavity (6), test piece (3) open have scattered terminal constant head tank (7), test piece (3) still open needle body cavity (9) that supply test spring needle (8) to pass, and scattered terminal constant head tank (7) communicate with each other with needle body cavity (9).

2. The test fixture for loose terminals of claim 1, wherein: the front end of lower briquetting (1) is provided with through the pin is fixed compresses tightly post (10), lower briquetting (1) is equipped with reset spring through compressing tightly post (10) and test block (3) cooperation, the piece body of lower briquetting (1) is opened has first U type cotter way (11), lower briquetting (1) is provided with first spacing post (12) through the cooperation activity of pin and first U type cotter way (11) on main part piece (4), it has first cavity (13) to open the piece body lower extreme of lower briquetting (1) in cavity (5) down, be equipped with reset spring between first spacing post (12) and first cavity (13), lower briquetting (1) cooperate with each other collude piece (2), realize the locking of lower briquetting (1).

3. The test fixture for loose terminals according to claim 2, wherein: the mutual hooking block (2) comprises a handle (14), an axle center (15) and a first hooking body (16), the mutual hooking block (2) is rotatably arranged on the main body block (4) through the cooperation of the axle center (15) and a pin and a torsion spring, and a second hooking body (17) matched with the first hooking body (16) is arranged on the side edge of the lower pressing block (1).

4. The test fixture for loose terminals of claim 1, wherein: the body of the test block (3) is provided with a second U-shaped pin groove (18), the test block (3) is movably arranged on the main body block (4) through the matching of a pin and the second U-shaped pin groove (18), the test cavity (6) is internally provided with a second limit column (19), the lower end of the body of the test block (3) is provided with a second cavity (20), a reset spring is arranged between the second limit column (19) and the second cavity (20), and the upper end of the test spring needle (8) penetrates through the second limit column (19) to enter the second cavity (20).

5. The test fixture for loose terminals of claim 1, wherein: the main body (4) is also provided with a fixing hole (21).