Pin seat convenient for testing
By designing a pin header that is easy to test, the problems of short circuits and poor contact in controller testing are solved, achieving efficient and accurate testing results, and providing plug foolproof and sealing protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-03-20
AI Technical Summary
In existing technologies, controllers are prone to problems such as short circuits and poor contact during testing, resulting in poor testing accuracy and requiring technicians to be familiar with the terminal layout.
Design a probe holder for easy testing, including a connecting terminal, a test terminal, and a body. The body includes a base and multiple mounting cavities. The mounting cavities are provided with guide grooves and sealing grooves. The connecting terminal and the test terminal are arranged in a specific matrix. An epoxy resin adhesive is used to form a sealing layer to prevent the plug from being inserted in reverse.
It improves testing efficiency and accuracy, reduces human error, enhances the foolproof function of plug insertion, and protects test terminals from damage.
Smart Images

Figure CN224019854U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to connector technology, concretely relates to a needle seat convenient to test. BACKGROUND
[0002] The controller bridges two conductors on a loop, so that current or signal can flow from one conductor to another conductor. It is widely used in various electrical circuits, and plays a role of connecting or disconnecting current or signal. In the prior art, the controller is detected by connecting the needle seat, and then the terminal of the controller is measured manually by the staff through the basic instrument. This testing method requires the technician to be familiar with the terminal layout of the controller, otherwise short circuit, poor contact and other problems may occur during the process, and the detection accuracy is poor. UTILITY MODEL CONTENTS
[0003] The utility model discloses a kind of needle seat convenient to test.
[0004] The technical scheme of the utility model is: a kind of needle seat convenient to test, it is characterized by: including connecting terminal, test terminal, main body, main body includes base, side-by-side arranged first installation cavity, second installation cavity and third installation cavity, first installation cavity, second installation cavity and third installation cavity are integrally formed, the bottom of first installation cavity, second installation cavity and third installation cavity is provided with the first installation insertion hole for the insertion of connecting terminal, second installation cavity is also provided with the second installation insertion hole for the insertion of test terminal, connecting terminal is placed into first installation cavity, second installation cavity and third installation cavity after passing through first installation insertion hole, test terminal is placed into second installation cavity after passing through second installation insertion hole.
[0005] Further technical scheme, the connecting terminal in first installation cavity is arranged in 2x3 matrix;The connecting terminal in second installation cavity is arranged in 2x8 matrix, and the test terminal in second installation cavity is arranged in 1x4 matrix;The connecting terminal in third installation cavity is arranged in 2x4 matrix.
[0006] Further technical scheme, the same side wall of first installation cavity, second installation cavity and third installation cavity is provided with the guide groove that is upwardly convex.
[0007] Further technical scheme, the back of first installation cavity, second installation cavity and third installation cavity is provided with sealing groove, and sealing groove is used to fill and form sealing layer.
[0008] Further technical scheme, epoxy resin glue is filled in sealing layer.
[0009] Further technical scheme, the lower portion of base is fixedly provided with support position.
[0010] The utility model has the advantages of:
[0011] This invention simplifies controller testing and maintenance by adding four test terminals for programming tests within the second mounting cavity. The connection terminals within the second mounting cavity are arranged in a 2×8 matrix. During use, the 16-pin connector is inserted into the second mounting cavity, providing a protective seal for the test terminals. This invention is characterized by its small size and comprehensive functionality, improving testing efficiency and accuracy.
[0012] 2. In this utility model, guide grooves are provided in all three mounting cavities to facilitate plug insertion. At the same time, the guide grooves also serve as a foolproof mechanism to prevent the plug from being inserted backwards. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the structure of this utility model.
[0014] Figure 2 This is a schematic diagram of the structure of this utility model from another angle.
[0015] Figure 3 for Figure 1 A structural decomposition diagram,
[0016] Figure 4 for Figure 1 Top view.
[0017] Among them, 1. connecting terminal, 2. test terminal, 3. main body, 4. base, 5. first mounting cavity, 6. second mounting cavity, 7. third mounting cavity, 8. first mounting hole, 9. second mounting hole, 10. guide groove, 11. sealing layer, 12. support position. Detailed Implementation
[0018] The present invention will be further illustrated and understood below through non-limiting embodiments.
[0019] like Figures 1-3 As shown, this utility model provides a needle holder that is easy to test, including a connecting terminal 1, a test terminal 2, and a main body 3. The main body 3 includes a base 4, a first mounting cavity 5, a second mounting cavity 6, and a third mounting cavity 7 arranged side by side. A support position 12 is fixedly provided below the base 4.
[0020] The first mounting cavity 5, the second mounting cavity 6, and the third mounting cavity 7 are integrally formed. A sealing groove is provided on the back of the first mounting cavity 5, the second mounting cavity 6, and the third mounting cavity 7. The sealing groove is used to form a sealing layer 11 after filling. In this embodiment, the sealing layer 11 is filled with epoxy resin.
[0021] The same side wall of the first installation cavity 5, the second installation cavity 6 and the third installation cavity 7 is provided with an upwardly protruding guide groove 10. The guide groove 10 facilitates the insertion of the plug and also prevents the plug from being inserted in reverse.
[0022] The bottom of the first installation cavity 5, the second installation cavity 6 and the third installation cavity 7 is provided with a first installation hole 8 for the insertion of the connecting terminal 1, and the second installation cavity 6 is further provided with a second installation hole 9 for the insertion of the testing terminal 2. The connecting terminal 1 is inserted into the first installation cavity 5, the second installation cavity 6 and the third installation cavity 7 after penetrating the first installation hole 8, and the testing terminal 2 is inserted into the second installation cavity 6 after penetrating the second installation hole 9. The connecting terminal 1 in the first installation cavity 5 is arranged in a 2x3 matrix; the connecting terminal 1 in the second installation cavity 6 is arranged in a 2x8 matrix, and the testing terminal 2 in the second installation cavity 6 is arranged in a 1x4 matrix; and the connecting terminal 1 in the third installation cavity 7 is arranged in a 2x4 matrix.
[0023] The second installation cavity 6 is provided with four testing terminals for burning test, which facilitates the testing and maintenance of the controller by the customer; the connecting terminals in the second installation cavity are arranged in a 2x8 matrix, and when in use, the 16-pin plug is inserted into the second installation cavity, thereby protecting the testing pin from isolation and sealing.
[0024] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A needle holder for easy testing, characterized in that: The device includes a connection terminal, a test terminal, and a main body. The main body includes a base and three side-by-side mounting cavities: a first mounting cavity, a second mounting cavity, and a third mounting cavity. The first, second, and third mounting cavities are integrally formed. The bottom of the first, second, and third mounting cavities is provided with a first mounting hole for inserting the connection terminal. The second mounting cavity is also provided with a second mounting hole for inserting the test terminal. The connection terminal passes through the first mounting hole and is placed into the first, second, and third mounting cavities. The test terminal passes through the second mounting hole and is placed into the second mounting cavity.
2. The needle holder for easy testing according to claim 1, characterized in that: The connecting terminals in the first mounting cavity are arranged in a 2×3 matrix; the connecting terminals in the second mounting cavity are arranged in a 2×8 matrix; the test terminals in the second mounting cavity are arranged in a 1×4 matrix; and the connecting terminals in the third mounting cavity are arranged in a 2×4 matrix.
3. The needle holder for easy testing according to claim 1, characterized in that: The first mounting cavity, the second mounting cavity, and the third mounting cavity are all provided with upwardly protruding guide grooves on the same side wall.
4. The needle holder for easy testing according to claim 3, characterized in that: The back of the first mounting cavity, the second mounting cavity and the third mounting cavity are provided with sealing grooves, which are used to form a sealing layer after filling.
5. A needle holder for easy testing according to claim 4, characterized in that: The sealing layer is filled with epoxy resin adhesive.
6. A needle holder for easy testing according to claim 1, characterized in that: A support is fixedly installed at the bottom of the base.