Lead thread lead head of new energy automobile
By combining a limit rod, a reset spring, and a sealing ring, the loosening and waterproofing issues of lead-threaded wire heads are resolved, achieving stable connection and waterproofing, and improving the safety and usability of wire heads for new energy vehicles.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-27
AI Technical Summary
The existing lead-threaded wire heads lack an effective anti-loosening reinforcement structure during connection and use, which can lead to loosening due to shaking, poor contact, or abnormal heating, affecting the safety of the device.
The connection between the limit rod and the positioning protection plate is threaded, combined with the sliding structure of the reset spring and the support plate, and fixed and sealed with a sealing ring to ensure connection stability and waterproofness.
It effectively prevents loosening and poor contact, avoids abnormal heating, improves connection stability and waterproof sealing effect, and reduces maintenance costs.
Smart Images

Figure CN224053534U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of lead threaded conductor heads, specifically a lead threaded conductor head for new energy vehicles. Background Technology
[0002] Automotive lead-threaded wire terminals typically refer to a type of connector used in automotive wiring harnesses, also known as terminals or plugs. These connectors have a threaded structure, allowing them to be securely attached to the automotive wiring harness via a threaded connection, ensuring stable transmission of electrical signals and current.
[0003] However, existing lead threaded wire heads do not have an effective anti-loosening reinforcement structure during connection and use, which makes the wire heads prone to loosening due to shaking during use, resulting in poor contact or abnormal heating, thus affecting the safety of the device.
[0004] Therefore, in order to address the above problems, there is an urgent need for innovative designs based on the existing lead-threaded conductor heads. Utility Model Content
[0005] The purpose of this utility model is to provide a lead threaded wire head for new energy vehicles, so as to solve the problem mentioned in the background art that the wire head does not have an effective anti-loosening reinforcement structure during the connection and use process, which makes it easy for the wire head to loosen due to shaking during use, resulting in poor contact or abnormal heating, thus affecting the safety of the device.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a lead-threaded wire head for new energy vehicles, comprising: a lead alloy end and a connecting wire connected to the right side of the lead alloy end;
[0007] Also includes:
[0008] A terminal is connected to the left side of the lead alloy end, and a battery body is provided on the left side of the terminal. A connecting tooth is provided on the right side of the battery body. A connecting shell is provided in the middle of the connecting wire, and a reset spring is installed inside the connecting shell. A support plate is connected to the left side of the reset spring, and a guide bar is provided in the middle of the support plate. An operating rod is installed on the upper side of the support plate, and a limit block is connected to the left side of the support plate.
[0009] In one possible implementation, the connecting shell is threadedly connected to the connecting teeth, and the connecting shell is rotatably connected to the connecting line.
[0010] In one possible implementation, the support plate and the guide strip are slidably arranged relative to each other, and the longitudinal section of the guide strip is an "I" shaped structure.
[0011] In a possible implementation, the limiting block is arranged in a clamping manner relative to the battery body, and the limiting block is symmetrically arranged up and down relative to the central axis of the supporting plate.
[0012] In a possible implementation, the outer side of the lead alloy end head is provided with a positioning protection plate, the outer side of the positioning protection plate is connected with a mounting guide block, and the right side of the positioning protection plate penetrates a limiting rod;
[0013] The positioning protection plate is arranged in a clamping manner relative to the lead alloy end head, and the positioning protection plate is arranged in a sliding manner relative to the mounting guide block.
[0014] In a possible implementation, the limiting rod is threadedly connected with the positioning protection plate and the lead alloy end head, and the limiting rod is symmetrically arranged up and down relative to the central axis of the lead alloy end head.
[0015] In a possible implementation, the right side of the connecting shell is provided with a supporting frame in the middle, the left side of the supporting frame is provided with a limiting block, and the inner side of the supporting frame is connected with a first sealing rubber ring.
[0016] The supporting frame is arranged in a clamping manner relative to the limiting block, and the supporting frame and the first sealing rubber ring have a circular ring structure in a longitudinal section.
[0017] Compared with the prior art, the new energy automobile lead threaded wire head has the beneficial effects that: in the process of connection and use, the new energy automobile lead threaded wire head has an effective anti-loosening reinforcing structure, so that the wire head is not prone to loosening due to shaking in the process of use, and conditions such as poor contact or abnormal heating are avoided, the device is not easily affected by water vapor and other foreign matters to cause short circuit and other problems, the use safety of the device is not affected, and the device has better use effect, and the specific contents are shown as follows:
[0018] 1. The limiting rod cooperates with the lead alloy end head to fix the positioning protection plate on the outer side of the lead alloy end head, so that the mounting guide block positions and guides the mounting position of the positioning protection plate and the lead alloy end head, avoids the terminal from being broken due to an incorrect mounting position when the lead alloy end head and the connecting wire enter the inside of the battery body, reduces the maintenance and repair cost of the device, and improves the installation stability of the device.
[0019] 2. The reset spring cooperates with the guide strip to push the supporting plate connected to the left side of the supporting plate to the left side to reset, so that the supporting plate pushes the limiting block connected to the left side of the supporting plate to be clamped relative to the battery body to limit the rotating mode of the connecting shell, avoids the connecting shell from rotating and loosening due to shaking in the process of use, avoids the device from being in poor contact or abnormally heated due to loosening in the process of use, and improves the connection stability of the device.
[0020] 3. The support frame and the first sealing ring are fixed in the middle of the connecting shell by the positioning block and the connecting shell. The first sealing ring on the inside of the support frame seals the connection gap between the connecting shell and the connecting wire. At the same time, the second sealing ring seals the connection gap between the connecting shell and the battery body. This prevents moisture from the outside of the device from entering the device through the connection gap between the connecting shell, the connecting wire and the battery body during use. It also prevents moisture from affecting the safety of the lead alloy end and terminal and improves the performance of the device. Attached Figure Description
[0021] Figure 1 This is a frontal cross-sectional view of the present invention.
[0022] Figure 2 This is a side view sectional structural diagram of the present invention;
[0023] Figure 3 This is a schematic cross-sectional view of the connection between the lead alloy end and the positioning protection plate of this utility model.
[0024] Figure 4 This is a schematic cross-sectional view of the connection between the support frame and the first sealing ring of this utility model.
[0025] Figure 5 This is a schematic cross-sectional view of the connection between the support plate and the limiting block of this utility model.
[0026] In the diagram: 1. Battery body; 2. Terminal; 3. Connecting teeth; 4. Lead alloy end; 5. Connecting wire; 6. Positioning protection plate; 7. Installation guide block; 8. Limiting rod; 9. Connecting shell; 10. Support frame; 11. Positioning block; 12. First sealing ring; 13. Return spring; 14. Support plate; 15. Guide strip; 16. Operating rod; 17. Limiting block; 18. Second sealing ring. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0028] Please see Figures 1-5The utility model provides a technical scheme: a new energy automobile lead thread wire head, including battery body 1, terminal 2, connecting tooth 3, lead alloy end 4, connecting wire 5, positioning protection plate 6, installation guide block 7, limit rod 8, connecting shell 9, support frame 10, positioning block 11, first sealing rubber ring 12, reset spring 13, support plate 14, guide strip 15, operating rod 16, limit block 17 and second sealing rubber ring 18.
[0029] Specifically as Figure 1 、 Figure 2 and Figure 3 shown, before the connecting device, by installing positioning protection plate 6 on the outside of lead alloy end 4, rotating the limit rod 8 connected to the right side of positioning protection plate 6 simultaneously, because of the threaded connection structure of limit rod 8 and lead alloy end 4 and positioning protection plate 6, the limit rod 8 rotating to the downside connects positioning protection plate 6 and lead alloy end 4 and fixes positioning protection plate 6 on the outside of lead alloy end 4, at this moment, lead alloy end 4 and connecting wire 5 are installed on the right side of battery body 1 along positioning protection plate 6 and installation guide block 7, so that installation guide block 7 positions and guides the installation position of positioning protection plate 6 and lead alloy end 4, avoids lead alloy end 4 and connecting wire 5 from being broken when entering the inside of battery body 1 because of the wrong installation position, reduces the maintenance and overhaul cost of the device, improves the installation stability of the device, and after completing the positioning and installation of lead alloy end 4, rotating the connecting shell 9 arranged in the middle of connecting wire 5, because of the threaded connection relationship between connecting shell 9 and connecting tooth 3, the rotating connecting shell 9 displaces to the left side along connecting tooth 3 and limits and fixes lead alloy end 4 and connecting wire 5, so as to complete the positioning and connecting work of lead alloy end 4 and terminal 2.
[0030] Specifically as Figure 1 、 Figure 4 and Figure 5As shown, in the process of rotating the connecting shell 9, by pulling the operating rod 16 arranged on the upper side of the connecting shell 9 to the right side, the operating rod 16 drives the support plate 14 connected to the lower side to displace and extrude the reset spring 13 to the right side, at this time, the sliding connection relationship between the support plate 14 and the guide strip 15 is that the support plate 14 is guided and limited by the guide strip 15 during displacement to the right side, thereby improving the movement stability of the support plate 14, and when the connecting shell 9 rotates to a specified position, the pulling of the operating rod 16 is released, so that the reset spring 13 arranged on the right side of the support plate 14 generates a rebounding reaction force, at this time, the reset spring 13 pushes the support plate 14 and the limiting block 17 connected to the left side to reset along the guide strip 15, and due to the clamping connection relationship between the limiting block 17 and the battery body 1, the limiting block 17 clamped with the battery body 1 limits the rotating mode of the connecting shell 9, avoids the rotating looseness of the connecting shell 9 during use due to vibration, avoids the poor contact or abnormal heating of the device during use due to looseness, and improves the connection stability of the device; meanwhile, the support frame 10 is installed in the middle of the connecting shell 9 along the positioning block 11 arranged on the right side of the connecting shell 9, at this time, due to the material sealing property of the first sealing rubber ring 12, the first sealing rubber ring 12 arranged in the inner side of the support frame 10 seals the connection gap between the connecting shell 9 and the connecting wire 5, and the second sealing rubber ring 18 seals the connection gap between the connecting shell 9 and the battery body 1, thereby avoiding the invasion of water vapor outside the device into the inside of the device along the connection gap between the connecting shell 9, the connecting wire 5 and the battery body 1 during use of the device, avoiding the influence of water vapor on the use safety of the lead alloy end 4 and the terminal 2, and improving the use effect of the device.
[0031] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.
[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A lead threaded wire head for a new energy vehicle, comprising: Lead alloy end head (4), and the connecting line (5) connected on the right side of the lead alloy end head (4); It is characterized in that, further comprising: The terminal (2) is connected on the left side of the lead alloy end head (4), and the left side of the terminal (2) is provided with the battery body (1), the right side of the battery body (1) is provided with the connecting tooth (3), the middle part of the connecting line (5) is provided with the connecting shell (9), the inside of the connecting shell (9) is installed with the reset spring (13), the left side of the reset spring (13) is connected with the support plate (14), the middle part of the support plate (14) is provided with the guide strip (15), the upper side of the support plate (14) is installed with the operating rod (16), and the left side of the support plate (14) is connected with the limiting block (17).
2. The lead thread wire head of a new energy vehicle according to claim 1, characterized in that: The connecting shell (9) is threadedly connected with the connecting tooth (3), and the connecting shell (9) is rotationally connected with the connecting line (5).
3. The lead thread wire head of a new energy vehicle according to claim 1, characterized in that: The support plate (14) is slidably arranged opposite to the guide strip (15), and the longitudinal section of the guide strip (15) is in a "H" type structure.
4. The lead thread wire head of a new energy vehicle according to claim 1, characterized in that: The limiting block (17) is snap-fitted opposite to the battery body (1), and the limiting block (17) is symmetrically arranged on the center axis of the support plate (14).
5. The lead thread wire head of a new energy vehicle according to claim 1, characterized in that: The outer side of the lead alloy end head (4) is provided with the positioning protection plate (6), the outer side of the positioning protection plate (6) is connected with the mounting guide block (7), and the right side of the positioning protection plate (6) penetrates through the limiting rod (8). The positioning protection plate (6) is snap-fitted opposite to the lead alloy end head (4), and the positioning protection plate (6) is slidably arranged opposite to the mounting guide block (7).
6. The lead thread wire head of a new energy vehicle according to claim 5, characterized in that: The limiting rod (8) is threadedly connected with the positioning protection plate (6) and the lead alloy end head (4), and the limiting rod (8) is symmetrically arranged on the center axis of the lead alloy end head (4).
7. The lead thread wire head of a new energy vehicle according to claim 1, characterized in that: The right side of the connecting shell (9) is provided with the support frame (10) in the middle part, the left side of the support frame (10) is installed with the positioning block (11), and the inner side of the support frame (10) is connected with the first sealing rubber ring (12). The support frame (10) is snap-fitted opposite to the positioning block (11), and the longitudinal section of the support frame (10) and the first sealing rubber ring (12) is in a circular ring structure.