Waterproof wire harness clamping head
By designing the waterproof wire harness clamp, the fixing and moving connection of the clamp is achieved using glued heat shrink tubes and ball structures, the problem of cumbersome processing of the existing wire harness clamps is solved, and the safety and waterproofness of the wires are improved.
Patent Information
- Application Number
- CN202420622616.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-03-28
AI Technical Summary
The existing wire harness jacks are injection molded with thermoplastic vulcanized rubber as an integral molding structure, and are hot-melted to the wire. When there is a poor contact between the wire connectors, it will affect signal transmission. The processing solution can only cut off the wires and re-melt the new jacks. The processing process is too troublesome.
A waterproof wire harness card head is designed, including a wire harness assembly and a head assembly. The wire harness assembly is equipped with a wire harness protective sleeve. The card head assembly is fixedly connected by a glued heat shrink tube, and the ball and casing structure are used to achieve the movable connection and sealing of the card head.
Through this design, the safety and waterproofness of the wiring harness are improved, the maintenance process of the wire connector is simplified, and signal transmission problems caused by poor contact are avoided.
Smart Images

Figure CN222883935U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wire harness clamps, in particular to a waterproof wire harness clamp. Background Art
[0002] At present, multiple wires are usually connected directly. When the wires are long, they are easily tangled together and difficult to distinguish. Bending the wires for a long time can greatly shorten the overall service life. It is difficult to distinguish during maintenance and it takes a long time to straighten them, which greatly increases the difficulty of maintenance. In addition, the waterproofness between the wires and the clamps is poor, and there are some safety hazards during use.
[0003] Chinese patent document CN213936582U discloses a high-pressure injection-molded waterproof clamp wire harness, including a wiring harness assembly, a fixed lock buckle, a heat shrink tube with glue and a clamp assembly, the fixed lock buckle is fixedly sleeved on the upper end of the wiring harness assembly, the heat shrink tube with glue is fixedly bonded between the wiring harness assembly and the fixed lock buckle, the heat shrink tube with glue is fused to the inner end of the clamp assembly by hot melting, the heat shrink tube with glue is fixedly bonded between the wiring harness assembly and the fixed lock buckle, the heat shrink tube with glue is fused to the inner end of the clamp assembly by hot melting, so that the heat shrink tube with glue shrinks between the fixed lock buckle and the wiring harness assembly, the injection-molded glue is melted with the heat shrink material, so that the wiring harness assembly, the fixed lock buckle and the clamp assembly The components are waterproof, and the waterproof effect is excellent; the fixed lock buckle is fixedly sleeved on the upper end of the wiring harness assembly, and the fixed lock buckle is fixed on the upper end of the wiring harness assembly. After the wiring harness assembly and the fixed lock buckle are fixed, the overall pull-off force is excellent, ensuring that the pulling force of the finished product after injection molding and the assembled sensor use end can reach more than 50N, which greatly reduces the possibility of falling off. However, the wiring harness clamp is an integrally molded structure of thermoplastic vulcanized rubber injection molding, and the clamp is also hot-melt connected to the wire. When the wire connector has poor contact, it will affect the signal transmission. The only solution is to cut off the section of wire, and then re-hot-melt a new clamp. The processing process is too troublesome. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that the existing wiring harness clamp is an integrally formed structure of thermoplastic vulcanized rubber injection molding, and the clamp is also hot-melted to the wire. When the wire joint has poor contact, it will affect the transmission of the signal. The only solution is to cut off the section of wire and then re-hot-melt a new clamp. The processing process is too troublesome, and a waterproof wiring harness clamp is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a waterproof wire harness clamp, including a wire harness assembly, and a clamp assembly movably connected to the outer surface of the wire harness assembly, the wire harness assembly includes a wire harness, and a wire harness protective cover is arranged on the inner side of the wire harness, the clamp assembly includes a clamp A, a groove is opened on the clamp A, a heat shrink tube with glue is fixedly connected to the inner surface of the clamp A, one end of the clamp A is fixedly connected to the rubber cover, and the other end of the clamp A is movably connected to a sealing ring, the outer surface of the clamp A is movably connected to the clamp B, the outer surface of the clamp B is movably connected to a spring, a limiting ring is arranged at one end of the spring, a ball is movably embedded in the outer surface of the clamp B, the outer surface of the clamp B is movably connected to a sleeve, and a sealing ring is embedded in the interior of the connecting sleeve, and the sealing ring is arranged to waterproof the wire harness.
[0006] Preferably, the wiring harness is provided in two groups, and a wiring harness protective cover is provided on the inner side of the wiring harness;
[0007] Used to separate two wires while increasing the insulation and tensile strength of the wires.
[0008] Preferably, the harness protective cover is a component made of a mixed material of polypropylene and polyethylene;
[0009] Used to make the wires have good properties such as high and low temperature resistance, oil resistance, UV resistance, anti-static, impact resistance, and tensile resistance.
[0010] Preferably, the diameter of the chuck A is smaller than the inner diameter of the chuck B, and both chucks are integrally formed by injection molding of thermoplastic vulcanized rubber;
[0011] It is used to facilitate the installation of the clamp head A into the clamp head B and make it waterproof to a certain extent.
[0012] Preferably, a mounting groove is provided at one end of the clamp head A, the mounting groove corresponds to the sealing ring, and the sealing ring is a component made of rubber;
[0013] Used to increase the sealing of the connection between clamp A and clamp B.
[0014] Preferably, the rubber sleeve is provided with a plurality of through grooves;
[0015] Used to act as a buffer when the wire is bent or folded.
[0016] Preferably, a ball groove is provided on the clamp head B, and the ball groove corresponds to the ball;
[0017] It is used to conveniently connect the chuck A and the chuck B together through the ball.
[0018] Preferably, an anti-slip groove is provided on the outer surface of the sleeve, and a pressure block is provided on the inner surface of the sleeve;
[0019] Used to increase the friction between the hand and the sleeve, thereby facilitating the movement of the sleeve.
[0020] Compared with the prior art, the utility model has the following beneficial effects:
[0021] 1. The utility model proposes a waterproof wire harness clamp. By setting a clamp assembly, the wire harness is connected to the clamp A and the clamp B respectively, and then the heat shrink tube with adhesive is heated to fix the wire harness to the clamp. Then the sleeve is moved to allow the ball to have enough moving space, and then the two clamps are movably connected together.
[0022] 2. The utility model proposes a waterproof wire harness clamp, which greatly improves the safety of the wire harness by arranging a wire harness assembly and arranging a wire harness protective cover on the outside of two wire harnesses, and the two wire harnesses are also independently arranged. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the overall structure of a waterproof wire harness clamp proposed by the utility model;
[0024] Figure 2 It is an exploded schematic diagram of a clamp assembly of a waterproof wire harness clamp proposed by the utility model;
[0025] Figure 3 This is a schematic diagram of the overall structure of a wiring harness assembly of a waterproof wiring harness clamp proposed by the utility model;
[0026] Figure 4 It is a cross-sectional schematic diagram of a clamp A of a waterproof wire harness clamp proposed by the utility model;
[0027] Figure 5 It is a cross-sectional schematic diagram of a sleeve of a waterproof wire harness clamp proposed by the utility model;
[0028] Legend:
[0029] 1. Wire harness assembly; 11. Wire harness; 12. Wire harness protective cover; 2. Clip assembly; 21. Clip A; 211. Mounting groove; 212. Groove; 22. Heat shrink tube with adhesive; 23. Rubber sleeve; 231. Through groove; 24. Sealing ring; 25. Clip B; 251. Ball groove; 26. Spring; 27. Limiting ring; 28. Ball; 29. Sleeve; 291. Anti-skid groove; 292. Press block. DETAILED DESCRIPTION
[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0032] Reference Figure 1-5 The utility model provides an embodiment: a waterproof wire harness clamp, including a wire harness assembly 1, and a clamp assembly 2 movably connected to the outer surface of the wire harness assembly 1, the wire harness assembly 1 includes a wire harness 11, and a wire harness protective cover 12 is arranged inside the wire harness 11 to increase the insulation and tensile resistance of the wire harness 11 as a whole, the clamp assembly 2 includes a clamp A21, a groove 212 is provided on the clamp A21, and a ball 28 is conveniently clamped, and a heat shrink tube 22 with glue is fixedly connected to the inner surface of the clamp A21, and is fixed to the wire harness protective cover 12 after hot melting, and the clamp A21 is fixed to the inner surface of the clamp A21. The end is fixedly connected to a rubber sleeve 23, which has a buffering effect when the wiring harness 11 is bent. The other end of the clamp A21 is movably connected to a sealing ring 24 to increase the sealing of the clamp assembly 2. The outer surface of the clamp A21 is movably connected to the clamp B25, and the outer surface of the clamp B25 is movably connected to a spring 26. A limiting ring 27 is provided at one end of the spring 26. A ball 28 is movably embedded in the outer surface of the clamp B25. The outer surface of the clamp B25 is movably connected to a sleeve 29, and a sealing ring 24 is embedded in the interior of the connecting sleeve 29. The sealing ring 24 is provided to waterproof the wiring harness.
[0033] The wire harness 11 is provided with two groups, and a wire harness protective cover 12 is provided on the inner side of the wire harness 11 to increase the safety of the wire harness 11. The wire harness protective cover 12 is a component made of a mixed material of polypropylene and polyethylene, which gives the wire good high and low temperature resistance, oil resistance, UV resistance, anti-static, impact resistance, tensile resistance and other properties. The diameter of the clamp A21 is smaller than the inner diameter of the clamp B25, and both clamps are thermoplastic vulcanized rubber injection molded into an integral molding structure to increase the overall waterproofness of the clamp assembly 2. One end of the clamp A21 is opened There is an installation groove 211, which corresponds to the sealing ring 24. The sealing ring 24 is a component made of rubber to increase the sealing between the clamping head connections. The rubber sleeve 23 is provided with multiple groups of through grooves 231, which play a buffering role when the wiring harness 11 is bent. The clamping head B25 is provided with a ball groove 251, which corresponds to the ball 28. The outer surface of the sleeve 29 is provided with an anti-skid groove 291, and the inner surface of the sleeve 29 is provided with a pressure block 292, which fixes the movement range of the ball 28.
[0034] Working principle: First, install the wiring harness 11 into the clamp A21 respectively, then hot-melt the heat shrink tube 22 to fix the wiring harness assembly 1 to the clamp assembly 2, then put the sealing ring 24 into the installation groove 211, pull the sleeve 29, and install the clamp A21 into the clamp B25 movably, then loosen the sleeve 29, reset the sleeve 29 by the spring 26, so that the pressure block 292 presses the ball 28 down to the groove 212, thereby fixing the clamp A21 to the clamp B25.
[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A waterproof wire harness clamp, comprising a wire harness assembly (1), and a clamp assembly (2) movably connected to the outer surface of the wire harness assembly (1), characterized in that: The wiring harness assembly (1) comprises a wiring harness (11), a wiring harness protective sleeve (12) is arranged on the inner side of the wiring harness (11), and a clamp assembly (2) comprises a clamp A (21), a groove (212) is provided on the clamp A (21), a heat shrink tube (22) with adhesive is fixedly connected to the inner surface of the clamp A (21), one end of the clamp A (21) is fixedly connected to a rubber sleeve (23), and the other end of the clamp A (21) is movably connected to a sealing ring (24), and the clamp A (21) The outer surface is movably connected to the clamp head B (25), the outer surface of the clamp head B (25) is movably connected to a spring (26), one end of the spring (26) is provided with a limit ring (27), the outer surface of the clamp head B (25) is movably embedded with a ball (28), the outer surface of the clamp head B (25) is movably connected to a sleeve (29), the interior of the connecting sleeve (29) is embedded with a sealing ring (24), and the setting of the sealing ring (24) is used to waterproof the wiring harness.
2. The waterproof wire harness clamp according to claim 1, characterized in that: The wire harness (11) is provided in two groups, and a wire harness protective cover (12) is provided inside the wire harness (11).
3. The waterproof wire harness clamp according to claim 1, characterized in that: The diameter of the clamp head A (21) is smaller than the inner diameter of the clamp head B (25), and both clamp heads are an integrally formed structure made of thermoplastic vulcanized rubber injection molding.
4. The waterproof wire harness clamp according to claim 1, characterized in that: One end of the clamp head A (21) is provided with a mounting groove (211), the mounting groove (211) corresponds to a sealing ring (24), and the sealing ring (24) is a component made of rubber.
5. The waterproof wire harness clamp according to claim 1, characterized in that: The rubber sleeve (23) is provided with a plurality of through grooves (231).
6. The waterproof wire harness clamp according to claim 1, characterized in that: The clamping head B (25) is provided with a ball groove (251), and the ball groove (251) corresponds to the ball (28).
7. The waterproof wire harness clamp according to claim 1, characterized in that: The outer surface of the sleeve (29) is provided with an anti-slip groove (291), and the inner surface of the sleeve (29) is provided with a pressing block (292).
Citation Information
Patent Citations
High-pressure injection molding waterproof clamping head wire harness
CN213936582U