Test tool with protection

Abstract

The utility model discloses a test tool with protection, comprising a test tool, the top surface of the test tool is provided with a test fixture, the top of the test fixture is provided with a wire harness connector, the inner side surface of the test fixture is provided with a spring in an embedded manner, the top end of the spring is provided with a test terminal, and the test terminal is provided with a protective cover. A clamping handle is correspondingly arranged on the surface of the top of the testing tool on one side of the testing jig. According to the test tool with the protection function, a spring terminal is used when a wire harness female hole terminal is tested, a spring is installed in the tested terminal, the terminal does not need to be inserted into a female hole when making contact with the female hole, the terminal can contract backwards, the terminal makes close contact with the female hole of a wire harness through the spring, and therefore the risk that the female hole of the wire harness is expanded is avoided; therefore, the hole of the female hole terminal is prevented from becoming larger after the test, the contact impedance of the terminal is prevented from becoming larger when the wire harness after the test is used, and abnormal signal transmission packet loss is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial wire harness test technical field, concretely is a kind of testing tool with protection. BACKGROUND

[0002] Wire harness is a group of metal wires and cables are tied together, carry the connection between devices and power signal, it is the wiring component connecting each electrical equipment in automobile circuit, by insulating sheath, wiring terminal, wire and insulating bandaging material etc., industrial wire harness needs to be tested before being put into use.

[0003] Currently in the field of industrial wire harness testing, mainly using male and female fixtures to test by plugging, in the process of male needle insertion into female hole during male and female plugging test, it is easy to cause the risk of hole expansion to female hole, resulting in the hole of female hole terminal becoming larger after testing, resulting in the contact impedance of terminal being larger when using the wire harness after testing, leading to signal transmission packet loss anomaly, at the same time, the assembly accuracy and efficiency are reduced, the overall difficulty of assembly is improved, and the test site is easily disturbed by external interference and long-term use of pollutants, resulting in poor contact during testing. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of testing tool with protection to solve the problem that the above background technology proposes that currently in the field of industrial wire harness testing, mainly using male and female fixtures to test by plugging, in the process of male needle insertion into female hole during male and female plugging test, it is easy to cause the risk of hole expansion to female hole, resulting in the hole of female hole terminal becoming larger after testing, resulting in the contact impedance of terminal being larger when using the wire harness after testing, leading to signal transmission packet loss anomaly, at the same time, the assembly accuracy and efficiency are reduced, the overall difficulty of assembly is improved, and the test site is easily disturbed by external interference and long-term use of pollutants, resulting in poor contact during testing.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of testing tool with protection, including test tool, the top surface of the test tool is provided with test fixture, the top of the test fixture is provided with wire harness connector, the inner side surface of the test fixture is embedded with spring, the top of the spring is provided with test terminal, the top surface of the test fixture on one side of the test fixture is correspondingly provided with clamping handle, the top side of the clamping handle is provided with compression limit block, the top surface of the test fixture on one side of the clamping handle is provided with clamping spring, the top of the test tool is movably installed with sealing cover, the inner side of the sealing cover is provided with anti-interference magnetic ring.

[0006] Preferably, the surface of the sealing cover is embedded with observation window, and the surface of one side of the sealing cover is provided with holding ring.

[0007] Preferably, the sealing cover is provided with a plug-in post near the corner position on both sides, and the test tool is provided with a plug-in hole near the corner position on both sides corresponding to the plug-in post.

[0008] Preferably, the number of the test tool, the clamping handle and the anti-interference magnetic ring is two, and the material of the pressing limiting block is rubber.

[0009] Preferably, the bottom of the test tool is provided with a suction groove, and the inner side of the suction groove is provided with a positioning suction disc.

[0010] Preferably, one side of the sealing cover and one side of the test tool are connected through a hinge, and the anti-interference magnetic ring is arranged symmetrically along the inner wall of the sealing cover.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The test tool with protection can greatly improve the overall efficiency of wire harness assembly, further improve the overall accuracy of wire harness assembly, further improve the overall quality of wire harness assembly, effectively reduce the overall difficulty of wire harness assembly, shield external interference signals through the anti-interference magnetic ring, improve the overall accuracy of test, seal and protect the components through the sealing cover, avoid the entry of external dust particles into the side view port and other parts, and cause poor contact during the test process.

[0013] The test tool with protection can greatly improve the overall efficiency of wire harness assembly, further improve the overall accuracy of wire harness assembly, further improve the overall quality of wire harness assembly, effectively reduce the overall difficulty of wire harness assembly, shield external interference signals through the anti-interference magnetic ring, improve the overall accuracy of test, seal and protect the components through the sealing cover, avoid the entry of external dust particles into the side view port and other parts, and cause poor contact during the test process. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the development drawing of the utility model;

[0015] Figure 2 It is the top structure schematic view of the test tool of the utility model;

[0016] Figure 3 It is the structure schematic view of the side view terminal and the spring of the utility model;

[0017] Figure 4 It is the installation structure schematic view of the test tool and the connector of the utility model;

[0018] Figure 5The utility model discloses a test tool bottom structure schematic view.

[0019] In the drawing: 1, test terminal; 2, spring; 3, test tool; 4, test fixture; 5, compression limit block; 6, clamping handle; 7, clamping spring; 8, wire harness connector; 9, insertion hole; 10, sealing cover; 11, insertion column; 12, anti-interference magnetic ring; 13, observation window; 14, hinge; 15, holding ring; 16, adsorption groove; 17, positioning suction cup. DETAILED DESCRIPTION

[0020] The utility model discloses an embodiment of the utility model will be clearly and completely described below with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of test tool with protection, including test tool 3, the top surface of test tool 3 is provided with test fixture 4, the top of test fixture 4 is provided with wire harness connector 8, the inside surface of test fixture 4 is embedded with spring 2, the top of spring 2 is provided with test terminal 1, compression limit block 5 compresses wire harness connector 8, test terminal 1 in test fixture 4 is in close contact with female hole terminal in wire harness connector 8 under the elastic force of spring 2, and the other end of wire harness is installed in the corresponding position of clamping spring 7 respectively again, so that the test loop of wire harness is formed, the top surface of test tool 3 on the side of test fixture 4 is provided with clamping handle 6, the top side of clamping handle 6 is provided with compression limit block 5, the top surface of test tool 3 on the side of clamping handle 6 is provided with clamping spring 7, sealing cover 10 is movably installed on the top of test tool 3, can be sealed and protected during testing port and part, avoid that test port part is contaminated and leads to contact bad, the inside of sealing cover 10 is provided with anti-interference magnetic ring 12, anti-interference magnetic ring 12 is EMI absorption magnetic ring / magnetic bead, EMI interference suppression on multi-strand cable, including noise and spike interference on power line, it has electrostatic pulse absorption capacity simultaneously, so that electronic equipment reaches corresponding international standard of electromagnetic compatibility (EMI / EMC) and electrostatic discharge, when using, a multi-core cable or a bundle of multi-strand cable can be worn in it. Multi-wearing can strengthen its effect, usually 25MHz and impedance value are used to measure the absorption characteristics of magnetic ring magnetic bead, observation window 13 is embedded on the surface of sealing cover 10, can observe internal device condition daily, when finding abnormality, can be handled in time, the surface of one side of sealing cover 10 is provided with holding ring 15, can be conveniently manually held and carried in real time, improves the overall convenience of carrying.

[0022] The sealing cover 10 is provided with a plug-in column 11 near the corner position on both sides, and the plug-in hole 9 is provided near the corner position on both sides of the test tool 3 corresponding to the plug-in column 11, so that the sealing cover 10 and the test tool 3 can be integrally inserted and fixed, the sealing cover 10 is fixed in position, and the sealing cover 10 is prevented from being automatically opened and falling off during use; the number of the test fixture 4, the clamping handle 6 and the anti-interference magnetic ring 12 is two, so that multiple wire harness connectors can be tested at the same time, the test efficiency is effectively improved, the material of the compression limiting block 5 is rubber, the softness of the compression fixed contact surface is increased, rigid contact is avoided, and damage to the wire harness surface is avoided; the bottom of the test tool 3 is provided with a suction groove 16, and the inner side of the suction groove 16 is provided with a positioning suction disc 17, so that the suction capacity of the whole tool and the placement plane is increased, the test tool is prevented from being pulled or collided and falling or moving, and the stability of the whole test is improved; one side of the sealing cover 10 and one side of the test tool 3 are rotationally connected through the hinge 14, so that the sealing cover 10 can be conveniently opened and closed in real time, and the problem of jamming is avoided; and the anti-interference magnetic ring 12 is symmetrically arranged along the inner walls of both sides of the sealing cover 10, so that the shielding range and area are larger, and the overall shielding effect is better.

[0023] Working principle: when the wire harness connector is tested, the wire harness connector 8 to be tested is first inserted into the corresponding test fixture 4 on the test tool, the clamping handle 6 is compressed, the compression limiting block 5 is compressed to compress the wire harness connector 8, the test terminal 1 in the test fixture 4 is in close contact with the female terminal in the wire harness connector 8 under the elastic force of the spring 2, and the other end of the wire harness is installed in the corresponding position of the clamping spring 7, so that the test loop of the wire harness is formed, the tester is started to complete the test, and when the test is completed, the test port and part can be sealed and protected by the sealing cover 10, dust and pollutants are prevented from entering the test port part due to long-term use, contact failure is avoided in the later use, the external interference source is shielded by the anti-interference magnetic ring 12, and the overall accuracy and reliability of the test are improved.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A guarded test tool comprising a test tool (3), characterized in that: The top surface of the test tool (3) is provided with a test fixture (4), the top of the test fixture (4) is provided with a wire harness connector (8), the inner surface of the test fixture (4) is embedded with a spring (2), the top end of the spring (2) is provided with a test terminal (1), the top surface of the test tool (3) on one side of the test fixture (4) is provided with a clamping handle (6), the top side of the clamping handle (6) is provided with a compression limiting block (5), the top surface of the test tool (3) on one side of the clamping handle (6) is provided with a clamping spring (7), the top of the test tool (3) is movably provided with a sealing cover (10), the inner side of the sealing cover (10) is provided with an anti-interference magnetic ring (12).

2. The guarded test tool of claim 1, wherein: The surface of the sealing cover (10) is embedded with an observation window (13), and the surface of the sealing cover (10) on one side is provided with a holding ring (15).

3. The guarded test fixture of claim 1, wherein: The two sides of the sealing cover (10) are provided with plug-in columns (11) near the corner positions, and the two sides of the test tool (3) are provided with plug-in holes (9) near the corner positions corresponding to the plug-in columns (11).

4. The guarded test fixture of claim 1, wherein: The number of the test fixture (4), the clamping handle (6) and the anti-interference magnetic ring (12) is two, and the material of the compression limiting block (5) is rubber.

5. The guarded test fixture of claim 1, wherein: The bottom of the test tool (3) is provided with a suction groove (16), and the inner side of the suction groove (16) is provided with a positioning suction disc (17).

6. The guarded test fixture of claim 1, wherein: The side of the sealing cover (10) and the side of the test tool (3) are rotatably connected through a hinge (14), and the anti-interference magnetic ring (12) is symmetrically arranged along the inner walls of the two sides of the sealing cover (10).

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