A female needle and terminal capable of preventing the needle from falling off after assembly

Abstract

The utility model discloses a female needle and terminal of preventing elastic needle assembly after falling, belong to the technical field of electric connector, including female needle main part, the upper end of female needle main part is provided with the wire pressing end, and the lower end of female needle main part is provided with the elastic spacing component, is equipped with the elastic abutting component on female needle main part, and the elastic abutting component is annular array distribution on female needle main part. Through the setting of the elastic spacing component, can increase the anti -loose effect, the setting of elastic clip can improve the stability after male needle plug -in, when elastic clip occurs elastic deformation, the outward force is added to the elastic sheet, so that the elastic sheet can be more closely abuts the inner wall of assembly hole, further increased the anti -loose effect, adopts the elastic abutting component, and the spring is used to the cooperation of elastic sheet, so that the stability of female needle main part assembly is better, sets up the stabilizing component on the outside of terminal shell, and the stability after the terminal and corresponding port plug -in is increased through the abutting elastic plate.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, and in particular to a female pin and terminal that prevents the spring pin from falling off after assembly. Background Technology

[0002] In a spring-loaded connector, the female pin is an important component of the terminal. The female pin and the terminal housing are assembled together to form the terminal. After the terminal is connected to the corresponding device through a cable, the terminal can be plugged into the port of another device, so that the female pin in the terminal and the male pin in the port can be inserted and mated to realize the electrical connection between different devices.

[0003] In existing systems, when assembling the female pin and terminal housing, the female pin is inserted into the assembly hole inside the terminal housing, and a locking spring is used for limiting and preventing loosening. However, although this structure provides elastic anti-loosening after assembly, when the female pin is subjected to external force, the locking spring, being a suspended structure, undergoes relatively large deformation, affecting the assembly stability of the female pin and terminal housing. This can easily lead to loosening and affect the stability of the electrical connection, and the female pin may even fall off. The overall performance is generally poor. Furthermore, while the female pin has a limiting protrusion for restraint, this protrusion relies solely on its own elasticity for restraint, resulting in limited effectiveness. Additionally, the terminal lacks an anti-wobbling structure, allowing it to loosen and fall off easily due to shaking, further affecting connection stability. Utility Model Content

[0004] The main purpose of this utility model is to provide a female pin and terminal that prevent the spring pin from falling off after assembly, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A master needle for preventing the spring needle from falling off after assembly includes a master needle body, the upper end of the master needle body is provided with a pressure end, and the lower end of the master needle body is provided with an elastic limiting component. The master needle body is provided with an elastic clamping component, and the elastic clamping components are distributed in a ring array on the master needle body.

[0006] Preferably, the female needle body is provided with a male needle insertion hole, and the female needle body is provided with a deformation seam.

[0007] Preferably, the elastic limiting component includes a square hole, an elastic sheet, a limiting sheet, a baffle, and an elastic clip. The square hole is formed on the main body of the female needle. The elastic sheet and the limiting sheet are fixedly connected, and the lower end of the elastic sheet is connected to the square hole on the main body of the female needle. The baffle is fixed on the limiting sheet. The elastic clip is located inside the main body of the female needle and is connected to the elastic sheet.

[0008] Preferably, the elastic clamping assembly includes a through hole, a clamping spring, a connecting post, and a spring. The through hole is formed on the main body of the female needle. The lower end of the clamping spring is fixed in the through hole on the main body of the female needle. The upper end of the clamping spring is provided with a horizontal plate. A cylinder is provided on the horizontal plate. The connecting post is installed on the top of the through hole. The two ends of the spring are respectively connected to the connecting post and the cylinder.

[0009] A terminal for a female needle includes a terminal housing and the aforementioned female needle. The terminal housing has an assembly hole and a connector. The female needle body is disposed in the assembly hole on the terminal housing, and a stabilizing component is provided on the terminal housing.

[0010] Preferably, the stabilizing component includes a connecting sleeve, an abutting elastic plate, and a fixing screw. The connecting sleeve is sleeved on the terminal housing, the abutting elastic plate is symmetrically mounted on the connecting sleeve, and the fixing screw is threaded onto the connecting sleeve.

[0011] Compared with the prior art, this utility model has the following beneficial effects: The female pin and terminal that prevent the spring pin from falling off after assembly are provided with an elastic limiting component. The elastic sheet is provided with a limiting plate and a stop plate, so that when the female pin is pulled by an external force, the deformation of the elastic sheet is small, which can increase the anti-loosening effect. The setting of the elastic clip can improve the stability after the male pin is inserted. At the same time, when the elastic clip undergoes elastic deformation, it applies an outward force to the elastic sheet, so that the elastic sheet can more tightly abut against the inner wall of the assembly hole, further increasing the anti-loosening effect. The use of an elastic clamping component, with the clamping spring sheet used in conjunction with the spring, makes the stability of the female pin body after assembly better and the anti-fall-off effect better. A stabilizing component is set on the outside of the terminal shell, which increases the stability of the terminal after it is inserted with the corresponding port by abutting the elastic plate. The fixing screw is set on the connecting sleeve, which can adjust the position of the connecting sleeve, making it highly flexible in use. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the internal structure of the terminal of this utility model; Figure 2 This is a schematic diagram of the overall structure of this utility model; Figure 3 This is a schematic diagram of the structure of the main body of the mother needle of this utility model; Figure 4 This is a schematic diagram of the structure of the elastic limiting component of this utility model; Figure 5 This is a schematic diagram of the structure of the elastic clamping component of this utility model; Figure 6 This is a schematic diagram of the structure of the stabilizing component of this utility model.

[0013] In the diagram: 1. Terminal housing; 2. Assembly hole; 3. Connector; 4. Female pin body; 5. Crimping end; 6. Elastic limiting component; 601. Square hole; 602. Elastic sheet; 603. Limiting sheet; 604. Baffle; 605. Elastic clamp; 7. Elastic clamping component; 701. Through hole; 702. Clamping spring; 703. Connecting post; 704. Spring; 8. Stabilizing component; 801. Connecting sleeve; 802. Clamping elastic plate; 803. Fixing screw. Detailed Implementation

[0014] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0015] like Figures 1-6 As shown, a female needle for preventing the spring needle from falling off after assembly includes a female needle body 4, with a pressing end 5 at the upper end of the female needle body 4 and an elastic limiting component 6 at the lower end of the female needle body 4. The female needle body 4 is provided with elastic abutting components 7, which are arranged in a circular array on the female needle body 4. The female needle body 4 is provided with a male needle insertion hole and a deformation seam.

[0016] When assembling the female pin and the terminal housing, the female pin body 4 is placed inside the terminal housing for assembly, the wire clamping end 5 is connected to the cable, and the elastic limiting component 6 and the elastic clamping component 7 ensure the stable assembly of the female pin body 4. After assembly, the terminal is connected to the port on the corresponding device to realize the electrical connection between the two devices, and then it can be used.

[0017] According to the above implementation scheme, the elastic limiting component 6 includes a square hole 601, an elastic piece 602, a limiting piece 603, a baffle 604, and an elastic clip 605. The square hole 601 is formed on the main body 4 of the female needle. The elastic piece 602 and the limiting piece 603 are fixedly connected, and the lower end of the elastic piece 602 is connected to the square hole 601 on the main body 4 of the female needle. The baffle 604 is fixed on the limiting piece 603. The elastic clip 605 is located inside the main body 4 of the female needle, and the elastic clip 605 is connected to the elastic piece 602.

[0018] When assembling the female pin, the elastic plate 602, under force, moves within the square hole 601, causing the limiting plate 603, the stop plate 604, and the elastic clip 605 to move and make room. Once inserted, the elastic plate 602 springs outward, and the limiting plate 603 contacts the inner wall of the terminal housing to limit its movement, ensuring the stability of the assembled female pin. When the male pin is connected to the female pin body 4, it contacts the elastic clip 605. The elastic clip 605 applies an elastic force to the male pin, ensuring a stable connection. Simultaneously, the elastic clip 605 also applies an outward expanding force to the elastic plate 602, making it more tightly contact the inner wall of the terminal housing, increasing the anti-loosening effect. When the female pin in the terminal is subjected to external pulling force, the elastic plate 602 experiences minimal deformation due to the action of the limiting plate 603 and the stop plate 604, ensuring connection stability.

[0019] According to the above implementation scheme, the elastic clamping component 7 includes a through hole 701, a clamping spring 702, a connecting post 703, and a spring 704. The through hole 701 is opened on the main body 4 of the female needle. The lower end of the clamping spring 702 is fixed in the through hole 701 on the main body 4 of the female needle. The upper end of the clamping spring 702 is provided with a horizontal plate, and a cylinder is provided on the horizontal plate. The connecting post 703 is installed on the top of the through hole 701. The two ends of the spring 704 are respectively connected to the connecting post 703 and the cylinder.

[0020] During the insertion of the main body 4 of the female pin, the clamping spring 702 is deformed by the inner wall of the terminal housing. The clamping spring 702 extends and compresses the spring 704 on the connecting post 703. After the assembly is completed, the clamping spring 702 returns to its original position. At the same time, the spring 704 returns to its original position and applies an elastic force to the clamping spring 702. When used in conjunction with the clamping spring 702, the elastic clamping effect can be increased, which further improves the anti-loosening effect of the entire female pin assembly and prevents the female pin from becoming loose.

[0021] This utility model also provides a terminal for a female needle, including a terminal housing 1 and the aforementioned female needle. The terminal housing 1 is provided with an assembly hole 2 and a connector 3. The female needle body 4 is disposed in the assembly hole 2 on the terminal housing 1, and a stabilizing component 8 is provided on the terminal housing 1.

[0022] According to the above implementation scheme, the stabilizing component 8 includes a connecting sleeve 801, an abutting elastic plate 802, and a fixing screw 803. The connecting sleeve 801 is sleeved on the terminal housing 1, the abutting elastic plate 802 is symmetrically installed on the connecting sleeve 801, and the fixing screw 803 is threadedly connected to the connecting sleeve 801.

[0023] When assembling the female pin and the terminal housing, the female pin body 4 is inserted into the assembly hole 2 on the terminal housing 1. The elastic limiting component 6 and the elastic abutting component 7 are abutted and fixed to ensure the stability of the female pin after assembly. The connecting sleeve 801 is set on the terminal housing 1 and fixed with the fixing screw 803. Then the terminal is installed and plugged in. The terminal is installed into the port on the corresponding device. The abutting elastic plate 802 plays an auxiliary support role. The elasticity can absorb kinetic energy and prevent the terminal from shaking due to vibration generated during device operation, thus ensuring the stability of the terminal and preventing loosening.

[0024] It should be noted that by setting the elastic limiting component 6, and setting the limiting piece 603 and the stop piece 604 on the elastic piece 602, the deformation of the elastic piece 602 is small when the female needle is pulled by external force, which can increase the anti-loosening effect. The setting of the elastic clip 605 can improve the stability after the male needle is inserted. At the same time, when the elastic clip 605 undergoes elastic deformation, it applies an outward force to the elastic piece 602, so that the elastic piece 602 can abut more tightly against the inner wall of the assembly hole 2, further increasing the anti-loosening effect. The elastic clamping component 7 is used in conjunction with the clamping spring 702 and the spring 704, which makes the stability of the female needle body 4 after assembly better and the anti-drop effect better. The stabilizing component 8 is set on the outside of the terminal housing 1, which increases the stability of the terminal after it is inserted with the corresponding port by abutting the elastic plate 802. The fixing screw 803 is set on the connecting sleeve 801, which can adjust the position of the connecting sleeve 801, and has high flexibility of use.

[0025] The foregoing describes the working principle, features, and beneficial effects of this utility model. Those skilled in the art will understand from the foregoing that it does not limit the utility model. The embodiments and description above illustrate the basic principles and features of this utility model. Various changes and improvements can be made to this utility model while remaining consistent with its concept, and all such improvements should fall within the scope of protection claimed by this utility model.

Claims

1. A mother needle for preventing the spring needle from falling off after assembly, comprising a mother needle body (4), characterized in that: The upper end of the main body (4) of the needle is provided with a pressure end (5), and the lower end of the main body (4) of the needle is provided with an elastic limiting component (6). The main body (4) of the needle is provided with an elastic pressing component (7), and the elastic pressing component (7) is arranged in a ring array on the main body (4). The elastic limiting component (6) includes a square hole (601), an elastic piece (602), a limiting piece (603), a baffle (604), and an elastic clip (605). The square hole (601) is opened on the main body (4). The elastic piece (602) and the limiting piece (603) are fixedly connected, and the lower end of the elastic piece (602) is connected to the square hole (601) on the main body (4). The baffle (604) is fixed on the limiting piece (603). The elastic clip (605) is located inside the main body (4), and the elastic clip (605) is connected to the elastic piece (602).

2. The mother pin for preventing the spring pin from falling off after assembly according to claim 1, characterized in that: The female needle body (4) is provided with a male needle insertion hole, and the female needle body (4) is provided with a deformation seam.

3. The mother pin for preventing the spring pin from falling off after assembly according to claim 2, characterized in that: The elastic clamping assembly (7) includes a through hole (701), a clamping spring (702), a connecting post (703), and a spring (704). The through hole (701) is opened on the main body of the female needle (4). The lower end of the clamping spring (702) is fixed in the through hole (701) on the main body of the female needle (4). The upper end of the clamping spring (702) is provided with a horizontal plate. A cylinder is provided on the horizontal plate. The connecting post (703) is installed on the top of the through hole (701). The two ends of the spring (704) are respectively connected to the connecting post (703) and the cylinder.

4. A terminal for a female needle, comprising a terminal housing (1) and a female needle as described in any one of claims 1-3, characterized in that: The terminal housing (1) is provided with an assembly hole (2) and a connector (3). The main body (4) of the female needle is disposed in the assembly hole (2) on the terminal housing (1) and a stabilizing component (8) is provided on the terminal housing (1).

5. A terminal for a female pin according to claim 4, characterized in that: The stabilizing component (8) includes a connecting sleeve (801), an abutting elastic plate (802), and a fixing screw (803). The connecting sleeve (801) is sleeved on the terminal housing (1), the abutting elastic plate (802) is symmetrically installed on the connecting sleeve (801), and the fixing screw (803) is threaded onto the connecting sleeve (801).

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