Cable joint for new energy automobile
Through the use of sealing and tightening components and locking tooth design in new energy vehicle joints, the problem of poorly connected tight connection and security of the cable joint sealing folder is solved, and higher connection is tight and security.
Patent Information
- Application Number
- CN202323477041.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-20
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2033-12-20
AI Technical Summary
The existing high-voltage cable joints for new energy vehicles have poor clamping effect on the cables by sealing parts, which have problems of looseness, resulting in safety hazards.
The design of a cable joints including metal connectors, tightening caps and sealing tight compositions. Among them, the sealing tight compatibility is composed of the first seal, the second sealing seat and the locking part. The sealing seat is tightly tightened.
Through the contraction of the lock teeth, the clamping of cables is significantly enhanced, the connection is tight, the risk of loosening, enhanced security, and facilitated the maintenance and replacement of the later period.
Smart Images

Figure CN222423191U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable connectors, in particular to a cable connector for new energy vehicles. Background Art
[0002] The high-voltage cable connector for new energy vehicles is used to lock and fix the cables for internal cable transmission in new energy vehicles. It mainly makes the line unobstructed, keeps the cables sealed, and ensures the insulation level at the cable connector, so that the cables can safely and reliably transmit power. The existing high-voltage cable connector for new energy vehicles includes a metal connector, a tightening cap, and a seal provided between the metal connector and the tightening cap. The cable is clamped by tightening the seal with the tightening cap. In actual use, it is found that the clamping effect of the seal on the cable is not ideal, and there is a problem of looseness, which leads to safety hazards, so further improvement is needed. Utility Model Content
[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide a high-voltage cable connector for new energy vehicles.
[0004] The technical solution adopted by the utility model of the cable connector for new energy vehicles: It is characterized in that it includes a metal connector, a tightening cap and a sealing locking assembly arranged between the metal connector and the tightening cap, the sealing locking assembly includes a first sealing seat, a second sealing seat and a locking piece, the first sealing seat and the second sealing seat both include a sealing seat pressing part and a sealing seat mounting part, a locking piece positioning groove is provided in the sealing seat pressing part, the first sealing seat and the second sealing seat are butted against each other and the locking piece is placed in the locking piece positioning groove, the sealing seat pressing part is a semicircular arc structure, a cable passing hole is provided therein, a cable locking hole is provided in the locking piece, and locking teeth are provided at intervals around the cable locking hole on the locking piece, and the minimum inner diameter of the locking teeth is less than or equal to the diameter of the cable passing hole;
[0005] The metal connector includes an upper threaded portion of the connector threadedly connected to the tightening cap, a connector tightening portion and a lower threaded portion of the connector, the upper end of the upper threaded portion of the connector is provided with an upper receiving surface of the connector for receiving the sealing seat clamping portion, and the upper threaded portion of the connector is provided with a connector limiting groove corresponding to the sealing seat mounting portion.
[0006] The minimum inner diameter of the locking teeth is equal to the diameter of the cable passing hole.
[0007] The sealing seat pressing portion is provided with an extrusion cone surface at the upper end of the locking member positioning groove to facilitate the locking member to be tightened inwardly.
[0008] A first sealing seat docking protrusion is provided on the inner wall of the sealing seat pressing portion of the first sealing seat, and a second sealing member docking recess corresponding to the first sealing seat docking protrusion is provided on the inner wall of the sealing seat pressing portion of the second sealing seat.
[0009] The first sealing seat, the second sealing seat and the locking member are all made of rubber.
[0010] The upper end of the sealing seat pressing portion is provided with a sealing seat pressing conical surface which is lower inside and higher outside.
[0011] The first sealing seat docking protrusion and the second sealing member docking recess are both square structures.
[0012] The advantages of the cable connector for new energy vehicles of the utility model are that the sealing seat is separately arranged and a locking piece is added, so that the contraction of the locking teeth during tightening greatly strengthens the clamping of the cable, the connection is highly tight, not easy to loosen, and is also convenient for later maintenance and replacement. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0014] Figure 1 This is an exploded view of the utility model cable connector for new energy vehicles;
[0015] Figure 2 It is a structural schematic diagram of the first sealing seat of the utility model;
[0016] Figure 3 It is a structural schematic diagram of the second sealing seat of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the locking member of the utility model;
[0018] Figure 5 It is a structural schematic diagram of the metal connector of the utility model. DETAILED DESCRIPTION
[0019] like Figure 1-5As shown, the utility model relates to a cable connector for new energy vehicles, comprising a metal connector 1, a tightening cap 2 and a sealing locking assembly arranged between the metal connector 1 and the tightening cap 2, the sealing locking assembly comprising a first sealing seat 3, a second sealing seat 4 and a locking piece 5, the first sealing seat 3 and the second sealing seat 4 both comprise a sealing seat pressing portion 9 and a sealing seat mounting portion 10, a locking piece positioning groove 11 is arranged in the sealing seat pressing portion 9, the first sealing seat 3 and the second sealing seat 4 are butted against each other and the locking piece 5 is placed in the locking piece positioning groove 11, the sealing seat pressing portion 9 is a semicircular arc structure, a cable threading hole 8 is arranged therein, a cable locking hole 14 is arranged in the locking piece 5, the The locking piece 5 is provided with locking teeth 15 at intervals around the cable locking hole 14, and the minimum inner diameter of the locking teeth 15 is less than or equal to the diameter of the cable insertion hole 8; the metal connector 1 includes a connector upper threaded portion 16, a connector tightening portion 17 and a connector lower threaded portion 18 which are threadedly connected to the tightening cap 2, and the upper end of the connector upper threaded portion 16 is provided with a connector upper receiving surface 19 for the sealing seat clamping portion 9 to receive, and the connector upper threaded portion 16 is provided with a connector limiting groove 20 corresponding to the sealing seat mounting portion 10. The sealing seat is separately arranged and a locking piece is added, so that the contraction of the locking teeth during tightening greatly enhances the clamping of the cable, the connection is highly tight, not easy to loosen, and is also convenient for later maintenance and replacement.
[0020] The minimum inner diameter of the locking tooth 15 is equal to the diameter of the cable insertion hole 8, which will not affect the normal insertion of the cable during installation. When tightened and contracted, it can cooperate with the sealing seat to clamp the cable. The locking tooth 15 is a triangular structure and can penetrate into the cable skin, with a good clamping effect.
[0021] The sealing seat pressing portion 9 is provided with an extrusion cone surface 12 at the upper end of the locking member positioning groove 11 for facilitating the inward tightening of the locking member 5, so as to improve the contraction control of the locking member.
[0022] A first sealing seat docking protrusion 22 is provided on the inner wall of the sealing seat pressing portion 9 of the first sealing seat 3, and a second sealing member docking recess 23 is provided on the inner wall of the sealing seat pressing portion 9 of the second sealing seat 4 to connect with the first sealing seat docking protrusion 22, so as to accurately position and enhance the connection tightness.
[0023] The first sealing seat 3, the second sealing seat 4 and the locking member 5 are all made of rubber material, which has good elasticity and hardness, long service life and high sealing performance.
[0024] The upper end of the sealing seat pressing portion 9 is provided with a sealing seat pressing conical surface 13 which is lower inside and higher outside.
[0025] The first sealing seat docking protrusion 22 and the second sealing member docking recess 23 are both square structures to prevent shaking.
[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.
Claims
1. A cable connector for new energy vehicles, characterized in that: The invention comprises a metal connector (1), a tightening cap (2) and a sealing and locking assembly arranged between the metal connector (1) and the tightening cap (2), the sealing and locking assembly comprising a first sealing seat (3), a second sealing seat (4) and a locking piece (5), the first sealing seat (3) and the second sealing seat (4) both comprising a sealing seat pressing portion (9) and a sealing seat mounting portion (10), a locking piece positioning groove (11) being arranged in the sealing seat pressing portion (9), the first sealing seat (3) and the second sealing seat (4) being butted against each other and the locking piece (5) being arranged in the locking piece positioning groove (11), the sealing seat pressing portion (9) being a semicircular arc structure and having a cable insertion hole (8) arranged therein, the locking piece (5) having a cable locking hole (14), the locking piece (5) having locking teeth (15) arranged at intervals around the cable locking hole (14), the minimum inner diameter of the locking teeth (15) being less than or equal to the diameter of the cable insertion hole (8); The metal connector (1) comprises a connector upper threaded portion (16) threadedly connected to the tightening cap (2), a connector tightening portion (17) and a connector lower threaded portion (18); the upper end of the connector upper threaded portion (16) is provided with a connector upper receiving surface (19) for receiving the sealing seat clamping portion (9); and the connector upper threaded portion (16) is provided with a connector limiting groove (20) corresponding to the sealing seat mounting portion (10).
2. The cable connector for new energy vehicles according to claim 1, characterized in that: The minimum inner diameter of the locking tooth (15) is equal to the diameter of the cable insertion hole (8).
3. The cable connector for new energy vehicles according to claim 1, characterized in that: The sealing seat pressing portion (9) is provided with an extrusion cone surface (12) at the upper end of the locking member positioning groove (11) for facilitating the inward tightening of the locking member (5).
4. The cable connector for new energy vehicles according to claim 1, characterized in that: A first sealing seat docking protrusion (22) is provided on the inner wall of the sealing seat pressing portion (9) of the first sealing seat (3), and a second sealing member docking recess (23) is provided on the inner wall of the sealing seat pressing portion (9) of the second sealing seat (4) and is connected to the first sealing seat docking protrusion (22).
5. The cable connector for new energy vehicles according to claim 1, characterized in that: The first sealing seat (3), the second sealing seat (4) and the locking member (5) are all made of rubber.
6. The cable connector for new energy vehicles according to claim 1, characterized in that: The upper end of the sealing seat pressing portion (9) is provided with a sealing seat pressing conical surface (13) which is lower inside and higher outside.
7. The cable connector for new energy vehicles according to claim 4, characterized in that: The first sealing seat docking protrusion (22) and the second sealing member docking recess (23) are both square structures.