Connector fisheye terminal pin retention force anti-feedback test device and test system

Abstract

The utility model relates to the field of connectors, and discloses a connector fisheye terminal pin retention anti-feedback test device and a test system. The testing device can comprise a fixed clamping seat, an ejection piece and a pressure rod, the fixed clamping seat can be used for fixing a connector to be tested, the ejection piece is in contact with a pin of a fisheye terminal of the connector to extrude the fisheye terminal, a protective holding groove is formed in one end, in contact with the pin, of the ejection piece, and is used for allowing a part of the pin to be inserted into the protective holding groove so as to avoid bending of the pin, and the pressure rod can be connected with the ejection piece, so that the pin can be prevented from being damaged. The driving part is used for driving the ejection part to be close to or away from the connector so as to realize a pin retention force anti-feedback test of the fisheye terminal. According to the testing device, the accuracy of measured data is ensured, the production efficiency is improved, the testing cost is reduced, and the production work is ensured.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a connector fisheye terminal pin retention force anti-feedback testing device and a testing system. Background Art

[0002] In the prior art, the pin holding force of the connector fisheye terminal directly affects the service life and usage experience of the connector. Therefore, it is necessary to accurately test the pin holding force of the connector fisheye terminal to ensure that it meets the design specifications and quality standards. However, when the pin holding force of the current connector fisheye terminal is tested by a test device, the test head of the test device is a flat design, which will directly press against the front end of the pin of the fisheye terminal, which may easily cause the pin to bend during the test, resulting in inaccurate test data, and easily misjudge the quality of the product, thereby affecting the production of the product. Utility Model Content

[0003] In order to overcome the above technical problems, the utility model provides a connector fisheye terminal pin needle retention force anti-feedback testing device, the testing device adopts a pressure rod connected to the ejector, the pressure rod drives the ejector to extrude, and the end of the ejector that contacts the pin needle is provided with a retaining groove for allowing a part of the pin needle to be inserted into the retaining groove to avoid the pin needle from bending, thereby ensuring the accuracy of the measurement data, improving the production efficiency, reducing the test cost, and ensuring the production work.

[0004] In order to achieve the above-mentioned object, the utility model provides a connector fisheye terminal pin retention force anti-feedback test device on the one hand, the test device comprising:

[0005] A fixed card holder, used to fix the connector to be tested;

[0006] an ejector, used to contact the pin of the fisheye terminal of the connector to squeeze the fisheye terminal, wherein one end of the ejector in contact with the pin is provided with a retaining groove for allowing a portion of the pin to be inserted into the retaining groove to prevent the pin from bending;

[0007] A pressure rod is connected to the ejector and is used to drive the ejector to move closer to or away from the connector.

[0008] Preferably, the depth of the retaining groove is greater than half the length of the pin needle.

[0009] Preferably, the outer edge of the opening of the retaining groove is provided with a first inner chamfer;

[0010] The outer edge of the ejector is provided with an outer chamfer, and the opening at the top of the connector is provided with a second inner chamfer matching the outer chamfer.

[0011] Preferably, the connector further comprises a limit block, which is arranged on one side of the connector close to the fisheye terminal;

[0012] One end of the top of the fixed clamping seat is provided with a limiting groove matching the limiting block.

[0013] Preferably, the fixed card seat also includes:

[0014] A clearance groove is provided at one end of the fixed base close to the limiting groove, so as to facilitate the placement of the fisheye terminal to be tested and squeezed;

[0015] The fixing grooves are arranged on both sides of the fixing base, and the fixing grooves cooperate with an external dynamometer to fix the fixing base on the dynamometer.

[0016] On the other hand, the utility model provides a testing system, the testing system comprising a testing device and a dynamometer, the testing device comprising:

[0017] A fixed card holder, used to fix the connector to be tested;

[0018] an ejector, used to contact the pin of the fisheye terminal of the connector to squeeze the fisheye terminal, wherein one end of the ejector in contact with the pin is provided with a retaining groove for allowing a portion of the pin to be inserted into the retaining groove to prevent the pin from bending;

[0019] A pressure rod, one end of which is connected to the dynamometer, and the other end of which is connected to the ejector, for driving the ejector to move closer to or away from the connector.

[0020] Preferably, the depth of the retaining groove is greater than half the length of the pin needle.

[0021] Preferably, the outer edge of the opening of the retaining groove is provided with a first inner chamfer;

[0022] The outer edge of the ejector is provided with an outer chamfer, and the opening at the top of the connector is provided with a second inner chamfer matching the outer chamfer.

[0023] Preferably, the connector further comprises a limit block, which is arranged on one side of the connector close to the fisheye terminal;

[0024] One end of the top of the fixed clamping seat is provided with a limiting groove matching the limiting block.

[0025] Preferably, the fixed card seat also includes:

[0026] A clearance groove is provided at one end of the fixed base close to the limiting groove, so as to facilitate the placement of the fisheye terminal to be tested and squeezed;

[0027] The fixing grooves are arranged on both sides of the fixing base, and the fixing grooves cooperate with an external dynamometer to fix the fixing base on the dynamometer.

[0028] Through the above technical scheme, the test device adopts a pressure rod to connect with the ejector, the pressure rod drives the ejector to extrude, and the end of the ejector in contact with the pin needle is provided with a retaining groove for inserting a part of the pin needle into the retaining groove to avoid bending of the pin needle, thereby ensuring the accuracy of the measurement data, improving production efficiency, reducing the test cost, and ensuring the production work; at the same time, the depth of the retaining groove is set to be greater than half the length of the pin needle to improve the protection effect of the pin needle, and a first inner chamfer is set at the outer edge of the opening of the retaining groove to facilitate the fisheye terminal pin needle to enter the retaining groove to avoid bending of the fisheye terminal pin needle during the test process, and the outer edge of the ejector is provided with an outer chamfer, and the opening at the top of the connector is provided with a second inner chamfer matched with the outer chamfer to facilitate the insertion of the ejector; at the same time, a limit block is provided on the connector, and a limit groove matching the limit block is provided at one end of the top of the fixed base to avoid shaking of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a cross-sectional working schematic diagram of a connector fisheye terminal pin retention force anti-feedback testing device according to one embodiment of the utility model;

[0030] Figure 2 It is a working schematic diagram of a connector fisheye terminal pin retention force anti-feedback testing device according to an embodiment of the utility model;

[0031] Figure 3 It is a side schematic diagram of a connector fisheye terminal pin retention force anti-feedback testing device according to one embodiment of the utility model;

[0032] Figure 4 It is a structural schematic diagram of a fixed socket of a connector fisheye terminal pin retention force anti-feedback testing device according to an embodiment of the utility model.

[0033] Description of Reference Numerals

[0034] 1. Fixed card holder 2. Connector

[0035] 3. Ejector 4. Fisheye terminal

[0036] 5. Pin needle 6. Support groove

[0037] 7. Pressure rod 8. First inner chamfer

[0038] 9. External chamfer 10. Second internal chamfer

[0039] 11. Limit block 12. Limit slot

[0040] 13. Make way slot 14. Fixed slot DETAILED DESCRIPTION

[0041] The specific implementation of the embodiment of the utility model is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the utility model, and is not used to limit the embodiment of the utility model.

[0042] like Figure 1 FIG. 1 is a cross-sectional working diagram of a connector fisheye terminal pin retention force anti-feedback testing device according to an embodiment of the utility model, as shown in FIG. Figure 2 The figure is a working schematic diagram of a connector fisheye terminal pin retention force anti-feedback testing device according to an embodiment of the utility model; Figure 1 and Figure 2 In the present invention, the test device may include a fixed card base 1, an ejector 3 and a pressure rod 7; specifically, the fixed card base 1 can be used to fix the connector 2 to be tested, the ejector 3 can contact the pin needle 5 of the fisheye terminal 4 of the connector 2 to squeeze the fisheye terminal 4, wherein the end of the ejector 3 that contacts the pin needle 5 can be provided with a retaining groove 6 for allowing a part of the pin needle 5 to be inserted into the retaining groove 6 to avoid bending of the pin needle 5, and the pressure rod 7 can be connected to the ejector 3 to drive the ejector 3 to move closer to or away from the connector 2, so as to realize the anti-feedback test of the holding force of the pin needle 5 of the fisheye terminal 4.

[0043] Through the above technical solution, the test device adopts a pressure rod connected to the ejector, the pressure rod drives the ejector to extrude, and a protective groove is provided at the end of the ejector that contacts the pin needle, for allowing a part of the pin needle to be inserted into the protective groove to avoid bending of the pin needle, thereby ensuring the accuracy of the measurement data.

[0044] exist Figure 1 In order to ensure the protection effect of the pin needle 5, in one embodiment of the present invention, the relationship between the depth of the protective groove 6 and the length of the pin needle 5 can be a variety known to those skilled in the art, and the depth of the protective groove 6 is greater than half of the length of the pin needle 5.

[0045] exist Figure 1In order to facilitate the ejector 5 to quickly enter the top opening of the connector 2 during testing to avoid direct collision, and to protect the pin needle 5 from quickly entering the supporting groove 6 of the ejector 3, in one embodiment of the utility model, the outer edge of the opening of the supporting groove 6 can be provided with a first inner chamfer 8, and the pin needle 5 can enter the supporting groove 6 along the first inner chamfer 8; the outer edge of the ejector 3 can be provided with an outer chamfer 9, and the opening at the top of the connector 2 can be provided with a second inner chamfer 10 that cooperates with the outer chamfer 9. The second inner chamfer 10 and the outer chamfer 9 can avoid collision when the ejector 3 contacts the opening at the top of the connector 2, so that the ejector 3 slides into the connector.

[0046] like Figure 3 FIG. 1 is a side view of a connector fisheye terminal pin retention force anti-feedback testing device according to an embodiment of the utility model; Figure 4 The figure shows a schematic diagram of the structure of a fixed base of a connector fisheye terminal pin retention force anti-feedback test device according to an embodiment of the present utility model. Figure 3 and Figure 4 In the embodiment, considering that the connector 2 is placed on the top of the fixed base 1, in order to prevent the connector 2 from sliding laterally during testing and detaching from the fixed base 1, in one embodiment of the utility model, the connector 2 may further include a limit block 11, which is arranged on one side of the connector 2 close to the fisheye terminal 4, and one end of the top of the fixed base 1 may be provided with a limit groove 12 matching the limit block 11 to prevent the limit block 11 from detaching.

[0047] exist Figure 1 and Figure 3 as well as Figure 4 In the embodiment, taking into account that the fisheye terminal 4 of the connector 2 will partially detach from the top opening of the connector 2 during testing, and to facilitate the fixation of the fixed base 1, in one embodiment of the utility model, the fixed base 1 may also include a clearance groove 13 and a fixing groove 14. The clearance groove 13 may be arranged at one end of the fixed base 1 close to the limiting groove 12 to facilitate the placement of the fisheye terminal 4 to be tested and squeezed. The fixing groove 14 may be arranged on both sides of the fixed base 1. The fixing groove 14 cooperates with an external dynamometer to fix the fixed base 1 on the dynamometer.

[0048] On the other hand, the utility model provides a testing system, which includes a testing device and a dynamometer, wherein the testing device is arranged on the dynamometer (not shown in the figure); the testing device may include a fixed base 1, an ejector 3 and a pressure rod 7; specifically, the fixed base 1 can be used to fix the connector 2 to be tested, and is fixedly placed on the dynamometer (not shown in the figure), the ejector 3 can contact the pin needle 5 of the fisheye terminal 4 of the connector 2 to squeeze the fisheye terminal 4, wherein the end of the ejector 3 contacting the pin needle 5 can be provided with a retaining groove 6 for inserting a part of the pin needle 5 into the retaining groove 6 to avoid bending of the pin needle 5, one end of the pressure rod 7 can be connected to the ejector 3 to drive the ejector 3 to approach or move away from the connector 2, and the other end of the pressure rod 7 is connected to the dynamometer to realize a feedback prevention test on the holding force of the pin needle 5 of the fisheye terminal 4.

[0049] Through the above technical solution, the test system is provided with a force measuring machine connected to a pressure rod, the pressure rod is connected to an ejector, the pressure rod drives the ejector to extrude, and a retaining groove is provided at one end of the ejector in contact with the pin needle, for inserting a part of the pin needle into the retaining groove, so that the pin needle is prevented from bending when performing a holding force test, thereby ensuring the accuracy of the measurement data, improving production efficiency, reducing the test cost, and ensuring production work.

[0050] exist Figure 1 In order to ensure the protection effect of the pin needle 5, in one embodiment of the present invention, the relationship between the depth of the protective groove 6 and the length of the pin needle 5 can be a variety known to those skilled in the art, and the depth of the protective groove 6 is greater than half of the length of the pin needle 5.

[0051] exist Figure 1 In order to facilitate the ejector 5 to quickly enter the top opening of the connector 2 during testing to avoid direct collision, and to protect the pin needle 5 from quickly entering the supporting groove 6 of the ejector 3, in one embodiment of the utility model, the outer edge of the opening of the supporting groove 6 can be provided with a first inner chamfer 8, and the pin needle 5 can enter the supporting groove 6 along the first inner chamfer 8; the outer edge of the ejector 3 can be provided with an outer chamfer 9, and the opening at the top of the connector 2 can be provided with a second inner chamfer 10 that cooperates with the outer chamfer 9. The second inner chamfer 10 and the outer chamfer 9 can avoid collision when the ejector 3 contacts the opening at the top of the connector 2, so that the ejector 3 slides into the connector.

[0052] exist Figure 3 and Figure 4In the embodiment, considering that the connector 2 is placed on the top of the fixed base 1, in order to prevent the connector 2 from sliding laterally during testing and detaching from the fixed base 1, in one embodiment of the utility model, the connector 2 may further include a limit block 11, which is arranged on one side of the connector 2 close to the fisheye terminal 4, and one end of the top of the fixed base 1 may be provided with a limit groove 12 matching the limit block 11 to prevent the limit block 11 from detaching.

[0053] exist Figure 1 and Figure 3 as well as Figure 4 In the embodiment, taking into account that the fisheye terminal 4 of the connector 2 will partially detach from the top opening of the connector 2 during testing, and to facilitate the fixation of the fixed base 1, in one embodiment of the utility model, the fixed base 1 may also include a clearance groove 13 and a fixing groove 14. The clearance groove 13 may be arranged at one end of the fixed base 1 close to the limiting groove 12 to facilitate the placement of the fisheye terminal 4 to be tested and squeezed. The fixing groove 14 may be arranged on both sides of the fixed base 1. The fixing groove 14 cooperates with an external dynamometer to fix the fixed base 1 on the dynamometer.

[0054] Through the above technical scheme, the test device adopts a pressure rod to connect with the ejector, the pressure rod drives the ejector to extrude, and the end of the ejector in contact with the pin needle is provided with a retaining groove for inserting a part of the pin needle into the retaining groove to avoid bending of the pin needle, thereby ensuring the accuracy of the measurement data, improving production efficiency, reducing the test cost, and ensuring the production work; at the same time, the depth of the retaining groove is set to be greater than half the length of the pin needle to improve the protection effect of the pin needle, and a first inner chamfer is set at the outer edge of the opening of the retaining groove to facilitate the fisheye terminal pin needle to enter the retaining groove to avoid bending of the fisheye terminal pin needle during the test process, and the outer edge of the ejector is provided with an outer chamfer, and the opening at the top of the connector is provided with a second inner chamfer matched with the outer chamfer to facilitate the insertion of the ejector; at the same time, a limit block is provided on the connector, and a limit groove matching the limit block is provided at one end of the top of the fixed base to avoid shaking of the connector.

[0055] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention. It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0056] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A connector fisheye terminal pin retention force anti-feedback test device, characterized in that: The testing device comprises: A fixed card holder, used to fix the connector to be tested; an ejector, used to contact the pin of the fisheye terminal of the connector to squeeze the fisheye terminal, wherein one end of the ejector in contact with the pin is provided with a retaining groove for allowing a portion of the pin to be inserted into the retaining groove to prevent the pin from bending; A pressure rod is connected to the ejector and is used to drive the ejector to move closer to or away from the connector.

2. The testing device according to claim 1, characterized in that: The depth of the retaining groove is greater than half the length of the pin needle.

3. The testing device according to claim 1, characterized in that: The outer edge of the opening of the retaining groove is provided with a first inner chamfer; The outer edge of the ejector is provided with an outer chamfer, and the opening at the top of the connector is provided with a second inner chamfer matching the outer chamfer.

4. The testing device according to claim 1, characterized in that: The connector further comprises a limit block, which is arranged on one side of the connector close to the fisheye terminal; One end of the top of the fixed clamping seat is provided with a limiting groove matching the limiting block.

5. The testing device according to claim 4, characterized in that: The fixed card holder also includes: A clearance groove is provided at one end of the fixed base close to the limiting groove, so as to facilitate the placement of the fisheye terminal to be tested and squeezed; The fixing grooves are arranged on both sides of the fixing base, and the fixing grooves cooperate with an external dynamometer to fix the fixing base on the dynamometer.

6. A testing system, characterized in that: The test system comprises a test device and a dynamometer, wherein the test device comprises: A fixed card holder, used to fix the connector to be tested; an ejector, used to contact the pin of the fisheye terminal of the connector to squeeze the fisheye terminal, wherein one end of the ejector in contact with the pin is provided with a retaining groove for allowing a portion of the pin to be inserted into the retaining groove to prevent the pin from bending; A pressure rod, one end of which is connected to the dynamometer, and the other end of which is connected to the ejector, for driving the ejector to move closer to or away from the connector.

7. The test system according to claim 6, characterized in that: The depth of the retaining groove is greater than half the length of the pin needle.

8. The test system according to claim 6, characterized in that: The outer edge of the opening of the retaining groove is provided with a first inner chamfer; The outer edge of the ejector is provided with an outer chamfer, and the opening at the top of the connector is provided with a second inner chamfer matching the outer chamfer.

9. The test system according to claim 6, characterized in that: The connector further comprises a limit block, which is arranged on one side of the connector close to the fisheye terminal; One end of the top of the fixed clamping seat is provided with a limiting groove matching the limiting block.

10. The test system according to claim 9, characterized in that: The fixed card holder also includes: A clearance groove is provided at one end of the fixed base close to the limiting groove, so as to facilitate the placement of the fisheye terminal to be tested and squeezed; The fixing grooves are arranged on both sides of the fixing base, and the fixing grooves cooperate with an external dynamometer to fix the fixing base on the dynamometer.

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