Connecting structure with built-in spring wire

Abstract

The utility model discloses a connecting structure with a built-in spring wire, which comprises a fixed connecting seat and a first connecting terminal positioned on one side of the fixed connecting seat, the peripheral side of the first connecting terminal is provided with a limiting sleeve extending towards the front end, and the inner diameter of the limiting sleeve is the same as that of the first connecting terminal; a spring wire connecting sleeve is arranged at the end of the spring wire, the spring wire connecting sleeve is correspondingly matched with the fixed connecting base, pull rods are axially arranged on the inner side and the rear end of the spring wire connecting sleeve in a sliding mode, and a second connecting abutting disc is fixed to the inner ends of the pull rods. The first connecting terminal and the second connecting terminal cannot be easily pulled off or bent or damaged under the action of the limiting sleeve, the extension rod, the ball shaft, the elastic reset piece and the magnetic block, elastic buffering and pulling force release of a certain stroke can be formed under the action of the elastic reset piece, and meanwhile the magnetic attraction part and the connecting position can be automatically separated and disconnected when the destructive pulling force is exceeded. And the connecting structure is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric wire equipment, specifically to a connecting structure of built-in spring wire. BACKGROUND

[0002] Spring wire is a kind of device connecting wire that works by using the scalability, usually made of TPU, PVC and other materials, has good flexibility and elasticity, and can quickly rebound in a short time. It is widely used in movable devices such as automobiles, machines and instruments, for controlling the movement and power connection of the devices.

[0003] In the daily use of spring wire, especially some built-in spring wire plug-in connectors, due to the good scalability and flexibility of spring wire, many users do not pay special attention to the pulling and stretching of the wire body during use, which often causes the connection head part to be loose, bent, damaged or even broken. Whether it is a plug-in connector or a buckle connector, it cannot solve the above problems. Therefore, the present application provides a connecting structure of built-in spring wire to overcome the above problems. SUMMARY

[0004] The purpose of this section is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a connecting structure of built-in spring wire to solve the above problems in the background art. Many users do not pay special attention to the pulling and stretching of the wire body during use, which often causes the connection head part to be loose, bent, damaged or even broken. Whether it is a plug-in connector or a buckle connector, it cannot solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a connecting structure of built-in spring wire, comprising a fixed connecting seat and a connecting terminal one located on one side of the fixed connecting seat, the connecting terminal one has a limiting sleeve extending to the front end on the outer circumferential side, and the inner diameter of the limiting sleeve is the same as the inner diameter of the connecting terminal one;

[0007] The spring wire connecting barrel sleeve is matched with the fixed connecting seat, a pull rod is slidably arranged in the spring wire connecting barrel sleeve, a connecting stopper two is fixedly arranged at the inner end of the pull rod, the connecting stopper two and the limiting sleeve are magnetically connected, an elastic reset member is arranged between the inner end of the spring wire connecting barrel sleeve and the connecting stopper two, the opposite side of the connecting stopper two to the pull rod is provided with an extension rod matched with the limiting sleeve and the connecting terminal one, and a connecting terminal two is fixedly arranged at the front end of the extension rod, a ball shaft is arranged at the outer end of the pull rod, and a spring wire body is arranged at the movable end of the ball shaft, the spring wire body is connected with the connecting terminal two through a wire.

[0008] As a preferred scheme of the connecting structure with the built-in spring wire, the limiting sleeve is further provided with a connecting stopper one abutting against the connecting stopper two at the outer end, a first magnetic block is fixedly arranged at the side of the connecting stopper one facing the connecting stopper two, and a second magnetic block magnetically attracted to the first magnetic block is fixedly arranged at the side of the connecting stopper two facing the connecting stopper one.

[0009] As a preferred scheme of the connecting structure with the built-in spring wire, the elastic reset member is a spiral spring, and the spiral spring is sleeved on the outer side of the pull rod.

[0010] As a preferred scheme of the connecting structure with the built-in spring wire, the spring wire connecting barrel sleeve is provided with a limiting ring one at the inner side of the front end.

[0011] The inner diameter of the limiting ring one is larger than the outer diameter of the connecting stopper one, and the inner diameter of the limiting ring one is smaller than the outer diameter of the connecting stopper two.

[0012] As a preferred scheme of the connecting structure with the built-in spring wire, the spring wire connecting barrel sleeve is further provided with a positioning barrel sleeve coaxial with the spring wire connecting barrel sleeve at the rear end, and the inner side of the positioning barrel sleeve is provided with a sealing ring sleeved on the outer side of the pull rod.

[0013] As a preferred scheme of the connecting structure with the built-in spring wire, the spring wire connecting barrel sleeve is further provided with a limiting ring two at the inner side, and the inner diameter of the limiting ring two is smaller than the outer diameter of the connecting stopper two.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: In use, the connection structure with built-in spring wire can be completed by simply inserting the spring wire connecting sleeve at the end of the spring wire into the fixed connecting seat. When the user unintentionally pulls the spring wire excessively, the first and second connecting terminals will not be easily pulled off, bent or damaged under the action of the limiting sleeve, extension rod, ball shaft, elastic reset component and magnetic block. Moreover, under the action of the elastic reset component, a certain stroke of elastic buffer and tension release will be formed. At the same time, under the excessive pulling force, the magnetic part and the connection will automatically disengage and disconnect, thereby protecting the connection structure. It has the characteristics of ingenious structure, reasonable design and good practicality, and is suitable for widespread application. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the connector of this utility model;

[0017] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0018] In the diagram: 100, fixed connecting seat; 110, connecting terminal one; 120, limiting sleeve; 121, connecting abutment one; 130, first magnetic block; 200, spring wire connecting sleeve; 201, limiting ring one; 202, limiting ring two; 210, pull rod; 211, connecting abutment two; 220, elastic reset component; 230, extension rod; 240, connecting terminal two; 250, ball shaft; 260, spring wire body; 270, positioning sleeve; 271, sealing ring; 280, second magnetic block. Detailed Implementation

[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0020] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, in actual manufacturing, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0022] Figures 1-3The diagram shown is a complete structural schematic of a connection structure with an internal spring wire according to this utility model. Please refer to [link / reference]. Figures 1-3 This embodiment of a built-in spring wire connection structure includes a fixed connecting seat 100 and a connecting terminal 110 located on one side of the fixed connecting seat 100. The outer periphery of the connecting terminal 110 has a limiting sleeve 120 extending towards the front end, and the inner diameter of the limiting sleeve 120 is the same as the inner diameter of the connecting terminal 110. A spring wire connecting sleeve 200 is correspondingly matched with the fixed connecting seat 100. A pull rod 210 is axially sliding on the inner side and rear end of the spring wire connecting sleeve 200. A connecting abutment 211 is fixed to the inner end of the pull rod 210, and the connecting abutment 211 and the limiting sleeve 120 are magnetically connected. An elastic reset member 220 is connected between the inner rear end of the spring wire connecting sleeve 200 and the connecting abutment 211. The connecting abutment 211 has an extension rod 230 that is inserted and matched to the limiting sleeve 120 and the connecting terminal 110, and a connecting terminal 240 fixed to the front end of the extension rod 230 on the opposite side of the pull rod 210. The outer end of the pull rod 210 is provided with a ball shaft 250 and a spring wire body 260 located at the movable end of the ball shaft 250. The spring wire body 260 passes through the ball shaft 250, the pull rod 210 and the extension rod 230 in sequence through a wire and is connected to the connecting terminal 240.

[0023] The outer periphery of the limiting sleeve 120 also has a connecting abutment 121 that abuts against the connecting abutment 211. A first magnetic block 130 is fixed to the periphery of the connecting abutment 121 facing the connecting abutment 211, and a second magnetic block 280 that is magnetically attracted to the first magnetic block 130 is fixed to the periphery of the connecting abutment 211 facing the connecting abutment 121. Here, the attraction between the positive and negative magnetic blocks is used to form a tight connection between the connecting terminal 110 and the connecting terminal 240, as well as between the fixed connecting seat 100 and the spring wire connecting sleeve 200, so that the connector will not be easily pulled out, and will automatically detach under excessive pulling force, thus protecting the connection part. The elastic reset member 220 is a helical spring, and the helical spring is sleeved on the outside of the pull rod 210. The inner side of the front end of the spring wire connecting sleeve 200 has a limiting ring 201. The inner diameter of the limiting ring 201 is larger than the outer diameter of the connecting abutment 121, and the inner diameter of the limiting ring 201 is smaller than the outer diameter of the connecting abutment 211. It can be understood that, in order to prevent the connecting abutment 211 from sliding off the outside of the spring wire connecting sleeve 200 under strong drag, the limiting ring 201 can prevent the connecting abutment 211 from slipping and limiting its movement, while also restricting and protecting the elastic reset member 220 from excessive pulling. Specifically, in this embodiment, during use, the connection can be completed by directly inserting the spring wire connecting sleeve 200 at the end of the spring wire into the fixed connecting seat 100. When the user unintentionally pulls the spring wire excessively, the connecting terminal 110 and the connecting terminal 240 will not be easily pulled off, bent or damaged under the action of the limiting sleeve 120, the extension rod 230, the ball shaft 250, the elastic reset member 220 and the magnetic block. Under the action of the elastic reset member 220, a certain stroke of elastic buffer and tension release will be formed. At the same time, under the excessive pulling force, the magnetic part and the connection will automatically disengage and disconnect, thereby protecting the connection structure. It has the characteristics of ingenious structure, reasonable design and good practicality, and is suitable for widespread application.

[0024] Preferably, the rear end of the spring wire connecting sleeve 200 is further fixed with a positioning sleeve 270 coaxial with it, and the inner side of the positioning sleeve 270 has a sealing ring 271 sleeved on the outer periphery of the pull rod 210. It can be understood that, with the cooperation of the positioning sleeve 270, the pull rod 210 that extends and retracts in a straight line can be limited, preventing left and right swinging and loosening at the connection. At the same time, the sealing ring 271 will also provide a certain damping and pulling buffer for the pulled rod 210 under tension.

[0025] As preferred, further, the spring wire connecting barrel sleeve 200 further has a limiting ring two 202 on the inner circumferential side, and the inner diameter of the limiting ring two 202 is smaller than the outer diameter of the connecting abutment two 211. It can be understood that, in order to prevent the elastic return member 220, i.e. the spring, from being damaged due to instantaneous contraction after the fixed connecting seat 100 and the spring wire connecting barrel sleeve 200 are disconnected by the user during connector plugging, the limiting ring two 202 can form a blocking and limiting effect on the connecting abutment two 211 and the pull rod 210 after spring rebounding. It should be noted that the limiting ring two 202 should be located close to the front end of the spring wire connecting barrel sleeve 200, which is beneficial to reduce the rebounding strength.

[0026] In summary, the spring wire connecting structure of the embodiment can be directly connected by plugging the spring wire connecting barrel sleeve 200 at the end of the spring wire into the fixed connecting seat 100. When the spring wire is excessively pulled by the user, the connecting terminal one 110 and the connecting terminal two 240 will not be easily pulled off, bent or damaged under the action of the limiting sleeve 120, the extension rod 230, the ball shaft 250, the elastic return member 220 and the magnetic block. Under the action of the elastic return member 220, a certain elastic buffer and tension release will be formed, and the magnetic attraction part and the connecting part will be automatically disconnected under the excessive destructive pulling force, thereby protecting the connecting structure.

[0027] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the disclosed embodiments of the utility model can be combined in any way. The combinations are not exhaustively described in the specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A connection structure with a built-in spring wire, characterized in that, The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no.

2. The connection structure of the in-built spring wire according to claim 1, characterized in that: The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no.

3. The connection structure of a built-in spring wire according to claim 1, characterized in that: The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no.

4. The connection structure of a built-in spring wire according to claim 1, characterized in that: The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no.

5. The connection structure of a built-in spring wire according to claim 1, characterized in that: The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no.

6. The connection structure of a built-in spring wire according to claim 1, characterized in that: The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no. The utility model relates to a spring wire connecting barrel sleeve (200) is correspondingly matched with fixed connecting seat (100), spring wire connecting barrel sleeve (200) inner side and rear end axial sliding have pull rod (210), pull rod (210) inner end fixedly have connecting resistance dish no.

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