Locking mechanism based on new energy automobile connector

By improving the locking mechanism of the connector for new energy vehicles through the use of limiting spheres and threaded columns, the problems of poor locking effect and difficulty in wiring harness arrangement have been solved, and a stable connection and arrangement of the wiring pins have been achieved.

CN223462535UActive Publication Date: 2025-10-21SHANGHAI YONGYI PRECISION HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202422918580.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-21
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The locking mechanism of existing new energy vehicle connectors relies solely on friction for locking, resulting in poor locking performance. Furthermore, the locking mechanism protrudes from the terminal block surface, making wire harness arrangement difficult.

Method used

The device employs a structure consisting of a limiting ball, a sliding block, and a threaded column. The limiting ball engages with the tapered head and the connecting plate to achieve a secure connection of the wiring pins. The threaded column is adjusted via a knob to fix the connecting seat and the terminal block, enhancing the locking effect.

Benefits of technology

It achieves stable fixation of the connector pins, prevents displacement and bending, ensures stable wire connection, and simplifies wire harness layout.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of automobile parts, and discloses a locking mechanism based on a new energy automobile connector, which comprises a terminal seat, a limiting opening is formed in the right side of the terminal seat, a baffle is fixedly connected in the limiting opening, a limiting block is slidably connected in the limiting opening, and a connecting seat is fixedly connected to the right side of the limiting block. The left side of the connecting seat is fixedly connected with a wiring contact pin, the periphery of the wiring contact pin is provided with an annular groove, the interior of the terminal seat is fixedly connected with a fixed sleeve, the interior of the fixed sleeve is slidably connected with a sliding block, and the interior of the sliding block is provided with a limiting ball groove. According to the utility model, through the arrangement of the wiring pin, the limiting ball and the sliding block, when the limiting port is connected with the limiting block, the clamping pin and the limiting ball enable the connecting seat and the terminal seat to be fixed, so that the wiring pin can be stably fixed in the terminal seat without displacement, wires can be stably connected, and power supply or information transmission is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts especially relates to a locking mechanism based on new energy automobile connector. BACKGROUND

[0002] With the continuous progress of technology and policy support, new energy vehicles are now being more widely used. The development of new technologies such as solid-state batteries, wireless charging, and autonomous driving will further promote the popularization of new energy vehicles. At the same time, new energy vehicles will also become an important force to drive the transformation and upgrading of the global automotive industry. The automobile connector is an indispensable part of automobile electronic engineering technology. It plays a communication bridge role between the blocked part in the circuit or the isolated circuit, making the current flow, thereby realizing the predetermined function of the circuit. It ensures the normal operation of the automobile electrical system, so that various electrical equipment can work normally. With the acceleration of the intelligentization, electrification, and networking of new energy vehicles, the demand for automobile connectors will further increase, and the performance requirements for automobile connectors will also continue to improve.

[0003] After searching, the Chinese patent publication No. CN215070703U discloses a new energy automobile connector, which comprises an automobile connector body, a plurality of insertion slots are formed in the front end of the automobile connector body, a wire outlet terminal seat is arranged in the insertion slot, and a receiving groove is formed in the bottom wall of the insertion slot. The position corresponding to the receiving groove is provided with a locking mechanism; the utility model adds a locking mechanism and a baffle, inserts the electrical connector into the insertion slot, rotates the pull handle with the hand, makes the pull handle separate from the horizontal groove and enters the vertical groove, under the elastic force of the spring, the top rod and the top plate move upward, the top plate tightly presses the electrical connector, realizes locking, prevents the electrical connector from separating from the insertion slot due to shaking and external force, and improves the stability during use; moreover, the baffle plays a protective role on the automobile connector body.

[0004] Although this technical solution can tightly press the electrical connector and realize locking to prevent the electrical connector from separating from the insertion slot due to shaking and external force, in actual use, the locking mechanism is only locked by using friction force, the locking effect is half, and the locking mechanism protrudes from the surface of the terminal seat, so that the terminal seat is difficult to arrange stably when wiring in the automobile. Therefore, a locking mechanism based on a new energy automobile connector is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a locking mechanism based on a new energy automobile connector, which aims to improve the problems in the prior art, such as only using friction force for locking, general locking force, and protruding the locking mechanism from the surface of the terminal seat, making it difficult to arrange the wire harness.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: based on the locking mechanism of the new energy vehicle connector, it includes a terminal seat, a limiting opening is provided on the right side of the terminal seat, a baffle is fixedly connected to the inside of the limiting opening, a limiting block is slidably connected to the inside of the limiting opening, a connecting seat is fixedly connected to the right side of the limiting block, a wiring pin is fixedly connected to the left side of the connecting seat, a ring groove is provided on the outer periphery of the wiring pin, a fixed sleeve is fixedly connected to the inside of the terminal seat, a sliding block is slidably connected to the inside of the fixed sleeve, a limiting ball groove is provided inside the sliding block, a limiting ball is slidably connected to the inside of the limiting ball groove, pin grooves are provided inside the sliding block and the fixed sleeve, a limiting spring is fixedly connected to the right inner wall of the fixed sleeve, and a wiring assembly is fixedly connected to the left inner wall of the sliding block.

[0007] As a further description of the above technical solution:

[0008] The terminal seat is fixedly connected to locking plates on the front and rear sides, and a knob is rotatably connected to the left side of the locking plate. A threaded column is threadedly connected inside the knob, and sliding grooves are provided on the front and rear sides of the threaded column. A slider is slidably connected inside the sliding groove. A conical head is provided on the right side of the threaded column, and a deformation groove is provided inside the conical head. The front and rear sides of the connecting seat are fixedly connected to connecting plates, and a fixing hole is provided inside the connecting plate.

[0009] As a further description of the above technical solution:

[0010] The right side of the fixed sleeve is configured as a conical surface, and the shape of the sliding block is adapted to the inner shape of the fixed sleeve.

[0011] As a further description of the above technical solution:

[0012] The limiting ball groove passes through the interior of the sliding block, the outer side of the limiting ball contacts the inner wall of the fixed sleeve, and the right side of the limiting spring is fixedly connected to the left inner wall of the sliding block.

[0013] As a further description of the above technical solution:

[0014] The outer periphery of the connection pin is slidably connected to the inside of the pin slot, and the inner side of the limiting ball is clamped in the inside of the ring groove.

[0015] As a further description of the above technical solution:

[0016] The wiring assembly includes a wiring seat, the right side of the wiring seat is fixedly connected to the left side of the sliding block, the outer periphery of the wiring seat is slidably connected to the left side of the fixed sleeve, and the outer side of the wiring seat is fixedly connected to a shift block.

[0017] As a further description of the above technical solution:

[0018] The threaded column is peripherally and slidingly connected inside the locking plate, and the sliding block is fixedly connected outside the locking plate.

[0019] Further description of the above technical solution is as follows:

[0020] The threaded column is peripherally and slidingly connected inside the fixing hole, and the tapered head left side is in contact with the right side of the connecting plate.

[0021] The utility model has the advantages of:

[0022] 1. In the utility model, when the limiting hole and the limiting block are connected, the clamping pin and the limiting ball fix the connecting seat and the terminal seat, so that the wiring pin can be stably fixed inside the terminal seat and cannot be displaced, the wire can be stably connected, and power supply or information transmission is ensured.

[0023] 2. In the utility model, the tapered head is extruded by rotating the knob, the diameter is reduced, and the tapered head enters the inside of the connecting plate, then the knob is reversely rotated to fix the connecting plate, so that the connecting seat and the terminal seat are fixed and stable and cannot be displaced, and the wiring pin cannot be bent. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides an overall top surface schematic view of the locking mechanism of the new energy automobile connector;

[0025] Figure 2 The utility model provides a terminal seat top surface cross section schematic view of the locking mechanism of the new energy automobile connector;

[0026] Figure 3 The utility model provides a fixing sleeve top surface cross section schematic view of the locking mechanism of the new energy automobile connector;

[0027] Figure 4 The utility model provides a connecting seat left side schematic view of the locking mechanism of the new energy automobile connector;

[0028] Figure 5 The utility model provides a knob top surface cross section schematic view of the locking mechanism of the new energy automobile connector.

[0029] LEGEND:

[0030] 1, terminal seat; 2, limit mouth; 3, baffle; 4, limit block; 5, connecting seat; 6, wiring pin; 7, ring groove; 8, fixed sleeve; 9, sliding block; 10, limit ball groove; 11, limit ball; 12, pin slot; 13, limit spring; 14, wiring seat; 15, dial block; 16, locking plate; 17, knob; 18, threaded column; 19, sliding groove; 20, sliding block; 21, conical head; 22, deformation groove; 23, connecting plate; 24, fixing hole. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Referring to Figures 2-4 An embodiment provided by the utility model: based on new energy automobile connector locking mechanism, including fixed wiring's terminal seat 1, the right side of terminal seat 1 is provided with the limit mouth 2 for positioning, the limit mouth 2 inside is fixedly connected with baffle 3, baffle 3 divides limit mouth 2 into front and back two sides, limit block 4 is slidably connected in the limit mouth 2, limit block 4 is provided with two groups, is symmetrically arranged at the front and back two sides of limit mouth 2, limit block 4 right side is fixedly connected with connecting seat 5, limit block 4 and limit mouth 2 make connecting seat 5 with terminal seat 1 can be aligned, connecting seat 5 left side is fixedly connected with the wiring pin 6 of convenient wiring connection, wiring pin 6 is provided with two groups, is arranged at the center of limit block 4 respectively, ring groove 7 is set up on the outer periphery of wiring pin 6, terminal seat 1 inside is fixedly connected with fixed sleeve 8, fixed sleeve 8 is provided with two groups, is symmetrically arranged at the front and back two sides of terminal seat 1, fixed sleeve 8 inside is slidably connected with sliding block 9, fixed sleeve 8 right side is set as taper surface, the shape of sliding block 9 is compatible with the shape in fixed sleeve 8, when sliding block 9 is along the inner wall of fixed sleeve 8 to left, the right end outer wall of sliding block 9 and the right end inner wall of fixed sleeve 8 will separate mutually, limit ball groove 10 is set up in the inside of sliding block 9, limit ball groove 10 is provided with three groups, is annularly evenly distributed in the inside of sliding block 9, limit ball groove 10 is through in the inside of sliding block 9, limit ball 11 is slidably connected in the inside of limit ball groove 10, the outside of limit ball 11 and the inner wall of fixed sleeve 8 are in contact, when sliding block 9 slides to left, limit ball 11 can move to the outside along limit ball groove 10.

[0033] Referring to Figures 2-3The inside of the limiting ball 11 is clamped in the inside of the ring groove 7, the wire insertion pin 6 is fixed, the inside of the sliding block 9 and the inside of the fixed sleeve 8 are provided with the insertion pin groove 12, the wire insertion pin 6 is slidably connected in the inside of the insertion pin groove 12, the terminal seat 1 and the connecting seat 5 are connected, the fixed sleeve 8 is fixedly connected with the limiting spring 13 on the right side inner wall, the limiting spring 13 is fixedly connected on the left side inner wall of the sliding block 9, when the sliding block 9 is not stressed, the limiting spring 13 pushes the sliding block 9 to move rightwards, the left side inner wall of the sliding block 9 is fixedly connected with the wire assembly connected with the internal wire harness of the automobile, the wire assembly comprises the wire seat 14, the inside of the wire seat 14 is hollow, the wire harness to be connected can be inserted, the wire seat 14 is fixedly connected on the left side of the sliding block 9, the wire seat 14 is slidably connected on the left side of the fixed sleeve 8, the wire seat 14 is fixedly connected with the push block 15 on the outside for conveniently pushing the wire seat 14.

[0034] With reference to Figure 1 、 Figure 4 and Figure 5 , the terminal seat 1 is fixedly connected with a group of locking plates 16 on the front and rear sides, the locking plate 16 is rotatably connected with the knob 17 on the left side for convenient rotation, the knob 17 is screwedly connected with the threaded column 18 in the inside, the threaded column 18 can slide left and right along the inner wall of the knob 17 by rotating the knob 17, the threaded column 18 is slidably connected in the inside of the locking plate 16, a group of sliding grooves 19 are formed on the front and rear sides of the threaded column 18, the sliding block 20 is slidably connected in the inside of the sliding groove 19, the sliding block 20 and the sliding groove 19 make the threaded column 18 only slide left and right along the inner wall of the locking plate 16, but cannot rotate, the sliding block 20 is fixedly connected on the inside of the locking plate 16, the threaded column 18 is provided with the tapered head 21 on the right side, the tapered head 21 is tapered from large left to small right, the tapered head 21 is provided with the deformation groove 22 in the inside, the tapered head 21 is elastic and deforms into the deformation groove 22 when being extruded, the connecting plate 23 is fixedly connected on the front and rear sides of the connecting seat 5, the fixed hole 24 is formed in the inside of the connecting plate 23, the diameter of the fixed hole 24 is equivalent to that of the threaded column 18, but smaller than the maximum diameter of the tapered head 21, the threaded column 18 is slidably connected in the inside of the fixed hole 24, the tapered head 21 is in contact with the right side of the connecting plate 23 on the left side, and the connecting plate 23 is fixed.

[0035] Working principle: when you want to make the connection stable connection, the limit block 4 of the connecting seat 5 is opposite to the limit port 2 of the terminal seat 1, the terminal seat 1 is connected with the connecting seat 5, the wiring pin 6 is inserted into the inside of the pin slot 12, the wiring pin 6 moves left to resist the limit ball 11, the limit ball 11 moves left to push, the sliding block 9 moves left and compresses the limit spring 13, the right end side wall of the sliding block 9 is separated from the right inner wall of the fixed sleeve 8, at this time the limit ball 11 will move outward along the limit ball groove 10, the internal gap is enlarged, until the wiring pin 6 can pass smoothly, when the ring groove 7 of the wiring pin 6 moves to the limit ball 11, the sliding block 9 is no longer stressed, at this time the limit spring 13 releases the compression, pushes the sliding block 9 to the right, the sliding block 9 drives the limit ball 11 to the right and makes the side inner wall of the fixed sleeve 8 extrude the limit ball 11 to move inward, so that the limit ball 11 is clamped into the inside of the ring groove 7, thereby fixing the wiring pin 6, so that the wiring pin 6 is locked and cannot fall off. When you want to make the terminal seat 1 and the connecting seat 5 connect stably, insert the connecting seat 5 into the inside of the terminal seat 1, at this time rotate the knob 17, the knob 17 makes the threaded column 18 move right, the threaded column 18 slides right to the inside of the fixed hole 24, the fixed hole 24 extrudes the conical head 21, so that the conical head 21 is deformed, the deformation groove 22 is reduced, the diameter of the conical head 21 is reduced, through the connecting plate 23, when the conical head 21 passes through the fixed hole 24, rotate the knob 17 in the opposite direction, so that the threaded column 18 moves left, at this time the left side of the conical head 21 is not extruded and abuts against the connecting plate 23, so that the terminal seat 1 and the connecting seat 5 are connected more stably, preventing external force from dislocating the connecting seat 5 and the terminal seat 1.

[0036] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A locking mechanism for a new energy vehicle connector, comprising a terminal seat (1), characterized in that: The terminal seat (1) is provided with a limiting opening (2) on the right side, a baffle (3) is fixedly connected inside the limiting opening (2), a limiting block (4) is slidably connected inside the limiting opening (2), a connecting seat (5) is fixedly connected to the right side of the limiting block (4), a wiring pin (6) is fixedly connected to the left side of the connecting seat (5), a ring groove (7) is formed in the outer periphery of the wiring pin (6), a fixed sleeve (8) is fixedly connected inside the terminal seat (1), a sliding block (9) is slidably connected inside the fixed sleeve (8), a limiting ball groove (10) is formed in the inside of the sliding block (9), a limiting ball (11) is slidably connected inside the limiting ball groove (10), pin grooves (12) are formed in the inside of the sliding block (9) and the fixed sleeve (8), a limiting spring (13) is fixedly connected to the right inner wall of the fixed sleeve (8), and a wiring assembly is fixedly connected to the left inner wall of the sliding block (9).

2. The new energy vehicle connector locking mechanism according to claim 1, characterized in that: The terminal seat (1) is provided with a locking plate (16) fixedly connected to the front and rear sides, a knob (17) is rotatably connected to the left side of the locking plate (16), a threaded column (18) is threadedly connected inside the knob (17), sliding grooves (19) are formed in the front and rear sides of the threaded column (18), a sliding block (20) is slidably connected inside the sliding groove (19), a tapered head (21) is arranged on the right side of the threaded column (18), a deformation groove (22) is formed in the inside of the tapered head (21), and a connecting plate (23) is fixedly connected to the front and rear sides of the connecting seat (5), and a fixing hole (24) is formed in the inside of the connecting plate (23).

3. The new energy vehicle connector locking mechanism according to claim 1, characterized in that: The right side of the fixed sleeve (8) is provided with a tapered surface, and the shape of the sliding block (9) is matched with the shape of the inside of the fixed sleeve (8).

4. The new energy vehicle connector locking mechanism according to claim 1, characterized in that: The limiting ball groove (10) penetrates into the inside of the sliding block (9), the outer side of the limiting ball (11) is in contact with the inner wall of the fixed sleeve (8), and the right side of the limiting spring (13) is fixedly connected to the left inner wall of the sliding block (9).

5. The new energy vehicle connector locking mechanism according to claim 1, characterized in that: The outer periphery of the wiring pin (6) is slidably connected inside the pin groove (12), and the inner side of the limiting ball (11) is clamped inside the ring groove (7).

6. The new energy vehicle connector locking mechanism according to claim 1, characterized in that: The wiring assembly comprises a wiring seat (14), the right side of the wiring seat (14) is fixedly connected to the left side of the sliding block (9), the outer periphery of the wiring seat (14) is slidably connected to the left side of the fixed sleeve (8), and the outer side of the wiring seat (14) is fixedly connected with a pushing block (15).

7. The new energy vehicle connector locking mechanism according to claim 2, characterized in that: The outer periphery of the threaded column (18) is slidably connected inside the locking plate (16), and the outer side of the sliding block (20) is fixedly connected to the inner side of the locking plate (16).

8. The new energy vehicle connector locking mechanism according to claim 2, characterized in that: The outer periphery of the threaded column (18) is slidably connected inside the fixing hole (24), and the left side of the tapered head (21) is in contact with the right side of the connecting plate (23).

Citation Information

Patent Citations

  • New energy automobile connector

    CN215070703U