Low-voltage wire harness

Through the innovative design of the positioning mechanism and the clamping mechanism, the heat dissipation and stability of the low-voltage wiring harness at the connection are solved, and stable connection and reliable power-on in vibration and impact environments are achieved, which extends the service life and reduces the risk of poor contact.

CN223246009UActive Publication Date: 2025-08-19XIAMEN FUQUANRUN ELECTRIC CO LTD
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Patent Information

Application Number
CN202422434007.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-19
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The existing low-voltage wire harnesses have poor heat dissipation at the connection, resulting in failure or poor contact at the connection, and are prone to loosening or displacement in vibration and impact environments, lacking buffer space.

Method used

The design of the positioning mechanism and the clamping mechanism is adopted. Through the combination of screws, nuts, arc blocks and arc grooves, the stability of the line body under vibration and impact is ensured. Combined with the clamping grooves and clamping structures, rapid connection and disassembly are achieved, and short circuits or leakage are prevented through the insulating layer.

Benefits of technology

Effective heat dissipation, improve the stability of the wiring harness in vibration and impact environments, extend the service life, ensure reliable power-on, reduce the risk of poor contact, and save installation time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-voltage wire harness, which comprises a wire body, one end of the wire body is sleeved with a connecting end, the surface of the connecting end is provided with four groups of positioning sleeves, and the surfaces of the positioning sleeves are connected with positioning mechanisms in a penetrating manner. According to the utility model, through the arrangement of the positioning mechanism and the clamping mechanism, when wire harness connection is carried out, a wire body is inserted into the positioning sleeve of the connecting end, the nut is rotated by a tool, the screw rod drives the arc block to press the wire body downwards, and the bottom of the wire body abuts against the arc groove in the inner bottom wall of the positioning sleeve; one end of the clamping strip is pressed, one end of the clamping strip for fixing the clamping buckle is tilted, after the connecting end is inserted into the fixing end, the pressing is released, the clamping buckle is clamped with the fixing block, and the clamping buckle is clamped with the fixing block, so that the wire body is prevented from being loosened, and the service life of the wire body is prolonged. And the clamping design is convenient for quick mounting and dismounting, so that the mounting time is saved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric wires, in particular to a low-voltage wire harness. Background Art

[0002] In many existing mechanical operation processes, various devices are used to convert high voltage into low voltage to control the circuit board more accurately. Low-voltage wiring harnesses are an indispensable part of low-voltage circuits, so the existing low-voltage wiring harnesses have been continuously innovated and developed. When using low-voltage wiring harnesses, two sections of low-voltage wiring harnesses need to be connected together. In actual use, connectors are usually used for connection.

[0003] Patent document: CN221669101U proposes a quick connection structure for a low-voltage wiring harness, including a junction box, a power box fixedly connected to the bottom of the junction box, a first wire tube and a second wire tube provided on the side of the power box, a first wire harness provided inside the first wire tube, a second wire harness provided inside the second wire tube, a first wire pressing assembly provided at the bottom of the junction box corresponding to the first wire tube, the first wire pressing assembly including a first support frame, the first support frame fixedly connected to the bottom of the junction box, a first threaded rod provided at the top of the first support frame, and a first wire pressing plate provided at the bottom of the first threaded rod. The utility model utilizes the first and second wire pressing assemblies to perform wire pressing and fixing. Taking the first wire pressing assembly as an example, rotating the first threaded rod drives the first fixing plate to move downward, thereby driving the first wire pressing plate to move downward, so that the first wire pressing plate cooperates with the first wire tube to fix the first wiring harness.

[0004] However, the wiring harness connection will emit heat during use, and a completely sealed connection will block the heat dissipation, which will cause failure or poor contact of the connection over time, reducing its lifespan. At the same time, it is not convenient to reserve buffer space during quick connection to ensure that it is not easy to loosen or shift under vibration and impact environments. Utility Model Content

[0005] The main purpose of the utility model is to provide a low-voltage wiring harness, which can effectively solve the problems in the background art of improving heat dissipation and reserving buffer space to reduce vibration during quick connection.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A low-voltage wiring harness includes a wire body, one end of which is sleeved with a connecting end, the surface of the connecting end is provided with four groups of positioning sleeves, the surface of the positioning sleeve is penetrated by a positioning mechanism, the positioning mechanism includes a screw, a nut, an arc block and an arc groove, a clamping mechanism is fixedly connected above the connecting end, the clamping mechanism includes a fixed block, a clamping groove, a clamping buckle and a clamping strip, the surface of the connecting end is sleeved with a fixed end, the inner side wall of the fixed end is provided with a connecting mechanism, the connecting mechanism includes a slide groove, a slider, a connecting core and a connecting column.

[0008] Preferably, the screw is connected to the surface of the positioning sleeve, a nut is fixedly connected to the top of the screw, and an arc block is rotatably connected to the bottom of the screw. The inner bottom wall of the positioning sleeve is provided with three groups of arc grooves, which are used to disperse pressure, enhance the stability of the wire body under vibration or impact, and reduce the risk of poor contact.

[0009] Preferably, the fixing block is fixedly connected to the top of the connecting end, a snap-in groove is provided on one side of the fixing block, a snap-in buckle is snapped on one side of the snap-in groove, a snap-in strip is fixedly connected to the top of the snap-in buckle, and the snap-in groove is used in conjunction with the snap-in buckle to achieve the function of a fixed end and a connecting end.

[0010] Preferably, the slide groove is opened on the inner side wall of the fixed end, and a slider is slidably connected inside the slide groove. One side of the two groups of sliders is fixedly connected to the connecting end. A connecting core is provided inside the connecting end, and a connecting column is inserted into the surface of the connecting core. The slide groove is used to slide the slider.

[0011] Preferably, one side of the connecting core is fixedly connected to the positioning sleeve, the connecting core and the connecting column are both made of copper, and the positioning sleeve is used to fix the wire body.

[0012] Preferably, the surfaces of the connecting end and the fixed end are fixedly connected with an insulating layer, one side of the fixed end is threadedly connected to an external wiring body, and the insulating layer is used to effectively isolate the conductor to prevent short circuit or leakage.

[0013] Preferably, two groups of pressing blocks are fixedly connected to the outer side of the connecting end, and the material of the two groups of pressing blocks is insulating material, and the pressing blocks are used to facilitate the operation of the connecting end.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The utility model is provided with a positioning mechanism and a clamping mechanism. When connecting the wiring harness, the wire body is first inserted into the positioning sleeve of the connecting end, and the nut is rotated with a tool. The screw drives the arc block to press the wire body downward, and the bottom of the wire body is against the arc groove of the bottom wall of the positioning sleeve, thereby ensuring that the wire body is not easy to loosen or shift under vibration and impact environment and has enough space for heat dissipation, extending its service life and improving the overall reliability of the system. Press one end of the clamping strip, and the end of the clamping buckle fixed by the clamping strip is raised. After the connecting end is inserted into the fixed end, release the pressure, the clamping buckle clamps the fixed block, and the connection of the wiring harnesses on both sides is completed. The clamping design facilitates quick installation and disassembly, saving installation time.

[0016] 2. The utility model sets a connecting mechanism. When connecting the wiring harness, the connecting end is inserted into the fixed end, the side slider of the connecting end is inserted into the fixed end along the slide groove, and the connecting column of the fixed end is inserted into the connecting core of the connecting end. The cross contact between the connecting end and the fixed end ensures that both ends of the wiring harness are reliably energized, thereby effectively ensuring that both ends of the wiring harness are reliably energized, maintaining the normal operation of the system, and avoiding short circuit or leakage caused by poor contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall diagram of the utility model;

[0018] Figure 2 This is a diagram of the positioning mechanism of the utility model;

[0019] Figure 3 This is a diagram of the clamping mechanism of the present utility model;

[0020] Figure 4 This is a diagram of the connection mechanism of the present utility model.

[0021] In the figure: 1. Wire body; 2. Connecting end; 3. Positioning sleeve; 4. Positioning mechanism; 401. Screw; 402. Nut; 403. Arc block; 404. Arc groove; 5. Snap-fit mechanism; 501. Fixed block; 502. Snap-fit groove; 503. Snap-fit buckle; 504. Snap-fit strip; 6. Fixed end; 7. Connecting mechanism; 701. Slide groove; 702. Slider; 703. Connecting core; 704. Connecting column; 8. Insulating layer; 9. Pressing block. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: a low-voltage wire harness, including a wire body 1, one end of the wire body 1 is sleeved with a connecting end 2, the surface of the connecting end 2 is provided with four sets of positioning sleeves 3, the surface of the positioning sleeve 3 is penetrated and connected with a positioning mechanism 4, through the setting of the positioning mechanism 4, the wire body 1 is fixed in the positioning sleeve 3, ensuring that the wire body 1 is not easy to loosen or shift under vibration and impact environment and has enough space for heat dissipation, extending its service life and improving the overall reliability of the system, the positioning mechanism 4 includes a screw 401, a nut 402, an arc block 403 and an arc groove 404, connecting A snap-in mechanism 5 is fixedly connected above the end 2. Through the setting of the snap-in mechanism 5, the connection of the wiring harnesses on both sides is completed to ensure the stability of the connection of the wiring harnesses at both ends. The snap-in mechanism 5 includes a fixed block 501, a snap-in groove 502, a snap-in buckle 503 and a snap-in strip 504. The surface of the connecting end 2 is sleeved with a fixed end 6. The inner side wall of the fixed end 6 is provided with a connecting mechanism 7. Through the setting of the connecting mechanism 7, the connecting end 2 and the fixed end 6 are cross-contacted to ensure that both ends of the wiring harness are reliably energized. The connecting mechanism 7 includes a slide groove 701, a slider 702, a connecting core 703 and a connecting column 704.

[0024] See also Figure 2 The screw rod 401 is connected to the surface of the positioning sleeve 3, the upper part of the screw rod 401 is fixedly connected with a nut 402, the bottom of the screw rod 401 is rotatably connected with an arc block 403, and the inner bottom wall of the positioning sleeve 3 is provided with three sets of arc grooves 404.

[0025] When connecting the wiring harness, the nut 402 is used to rotate and drive the screw 401 to rotate up or down, and the screw 401 is used to drive the arc block 403 to press the wire body 1 downward. The arc groove 404 is used to disperse the pressure, enhance the stability of the wire body 1 under vibration or impact, and reduce the risk of poor contact. There is enough space under the arc groove 404 for heat dissipation to avoid heat accumulation and reduce the service life.

[0026] See also Figure 3 、 Figure 4 The fixed block 501 is fixedly connected to the top of the connecting end 2, and a snap-in groove 502 is provided on one side of the fixed block 501. A snap-in buckle 503 is snapped on one side of the snap-in groove 502, and a snap-in strip 504 is fixedly connected to the top of the snap-in buckle 503. The slide groove 701 is provided on the inner wall of the fixed end 6, and a slider 702 is slidably connected inside the slide groove 701. One side of the two sets of sliders 702 is fixedly connected to the connecting end 2, and a connecting core 703 is provided inside the connecting end 2, and a connecting column 704 is inserted into the surface of the connecting core 703.

[0027] When the connecting end 2 is inserted into the fixed end 6, the slide groove 701 is used to slide the slider 702, and the snap-fit groove 502 on the side of the fixed block 501 is used in conjunction with the snap-fit buckle 503 to achieve the function of the fixed end 6 and the connecting end 2. The snap-fit connection method can be disassembled and reassembled multiple times, which is suitable for occasions that require frequent replacement and reduces maintenance costs.

[0028] See also Figure 1 、 Figure 4 One side of the connecting core 703 is fixedly connected to the positioning sleeve 3. The connecting core 703 and the connecting column 704 are both made of copper. The positioning sleeve 3 is used to fix the wire body 1. The surfaces of the connecting end 2 and the fixed end 6 are fixedly connected with an insulating layer 8. One side of the fixed end 6 is threadedly connected to an external wire body. Two groups of pressing blocks 9 are fixedly connected to the outside of the connecting end 2. The material of the two groups of pressing blocks 9 is insulating material.

[0029] The insulating layer 8 is used to protect the user from electric shock and ensure safety during operation. The pressing block 9 is used to facilitate operation of the connecting terminal 2.

[0030] Working principle: When connecting the wire harness, first insert the wire body 1 into the positioning sleeve 3 of the connecting end 2, use a tool to rotate the nut 402, the screw 401 drives the arc block 403 to press the wire body 1 downward, and the bottom of the wire body 1 is against the arc groove 404 on the inner bottom wall of the positioning sleeve 3, which can ensure that the wire body 1 is not easy to loosen or shift under vibration and impact environment and has enough space for heat dissipation, thereby extending its service life. Press one end of the snap-fit strip 504, and the snap-fit strip 504 fixes one end of the snap-fit buckle 503 to tilt up. After the connecting end 2 is inserted into the fixed end 6, release the pressure, and the snap-fit buckle 503 snaps into the fixed block 501 to complete the connection of the wire harnesses on both sides. The snap-fit design facilitates quick installation and disassembly, saving installation time.

[0031] When connecting the wiring harness, insert the connecting end 2 into the fixed end 6, the side slider 702 of the connecting end 2 is inserted into the fixed end 6 along the slide groove 701, and the connecting column 704 of the fixed end 6 is inserted into the connecting core 703 of the connecting end 2. The cross-contact between the connecting end 2 and the fixed end 6 ensures that both ends of the wiring harness are reliably energized to avoid short circuit or leakage caused by poor contact. The above is the working process of the entire device, and the contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage wire harness, comprising a wire body (1), characterized in that: One end of the wire body (1) is sleeved with a connecting end (2), and four groups of positioning sleeves (3) are provided on the surface of the connecting end (2). A positioning mechanism (4) is connected through the surface of the positioning sleeve (3), and the positioning mechanism (4) comprises a screw (401), a nut (402), an arc block (403) and an arc groove (404). A clamping mechanism (5) is fixedly connected above the connecting end (2), and the clamping mechanism (5) comprises a fixed block (501), a clamping groove (502), a clamping buckle (503) and a clamping strip (504). A fixed end (6) is sleeved on the surface of the connecting end (2), and a connecting mechanism (7) is provided on the inner side wall of the fixed end (6). The connecting mechanism (7) comprises a sliding groove (701), a slider (702), a connecting core (703) and a connecting column (704).

2. A low-voltage wiring harness according to claim 1, characterized in that: The screw rod (401) is connected to the surface of the positioning sleeve (3), a nut (402) is fixedly connected to the top of the screw rod (401), an arc block (403) is rotatably connected to the bottom of the screw rod (401), and three groups of arc grooves (404) are provided on the inner bottom wall of the positioning sleeve (3).

3. A low-voltage wiring harness according to claim 1, characterized in that: The fixing block (501) is fixedly connected above the connection end (2); a snap-fitting groove (502) is provided on one side of the fixing block (501); a snap-fitting buckle (503) is snap-fitted on one side of the snap-fitting groove (502); and a snap-fitting strip (504) is fixedly connected above the snap-fitting buckle (503).

4. A low-voltage wiring harness according to claim 1, characterized in that: The slide groove (701) is opened on the inner side wall of the fixed end (6), and the interior of the slide groove (701) is slidably connected to a slider (702), one side of two groups of sliders (702) is fixedly connected to the connecting end (2), and a connecting core (703) is provided inside the connecting end (2), and a connecting column (704) is inserted into the surface of the connecting core (703).

5. A low-voltage wiring harness according to claim 4, characterized in that: One side of the connecting core (703) is fixedly connected to the positioning sleeve (3), and the connecting core (703) and the connecting column (704) are both made of copper.

6. The low-voltage wiring harness according to claim 1, characterized in that: The surfaces of the connecting end (2) and the fixed end (6) are both fixedly connected with an insulating layer (8), and one side of the fixed end (6) is threadedly connected with an external wiring body.

7. The low-voltage wiring harness according to claim 1, characterized in that: Two groups of pressing blocks (9) are fixedly connected to the outer side of the connecting end (2), and the material of the two groups of pressing blocks (9) is insulating material.

Citation Information

Patent Citations

  • Quick connection structure of low-voltage wire harness

    CN221669101U