A wiring harness terminal boot

The wear problem of the wire harness sheath during bending is solved by using rolling connectors and limiting and fixing structures, thereby achieving stable fixing and heat dissipation of the wire harness, and improving the service life and connection reliability of the wire harness.

CN224328971UActive Publication Date: 2026-06-05WENZHOU HUIDA ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU HUIDA ELECTRIC CO LTD
Filing Date
2025-05-30
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

Existing wire harness sheaths are prone to wear and breakage during adjustment, movement, or bending, and terminals are easily detached, affecting the stability and service life of the wire harness.

Method used

The system uses rolling connectors and wire harness sleeves in conjunction with ball supports and spherical sleeves to drive the wire harness to change angles. Multi-angle limiting and fixing are achieved through pressure blocks, connecting plates, snap-fit ​​plates and fixing mechanisms. Protective rings and heat dissipation pads are used for protection and heat dissipation.

Benefits of technology

It effectively avoids wear and breakage when the wire harness is bent, improves the stability of the connection between the wire harness and the terminal, prevents the terminal from falling off, ensures the stable fixation of the wire harness when the angle changes, and reduces the temperature of the components through heat dissipation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of wire harness terminal sheath, disclose a wire harness terminal sheath, including protection shell, a plurality of through -holes for splicing terminal are seted up on the protection shell, and the protection shell and through -hole form an interface connector, the back surface of protection shell is seted up with the opening of wire harness movement in the position of through -hole, and the opening is equipped with wire harness cover through rolling connecting piece, the protection shell is equipped with the limiting piece for fixing terminal wire harness, the limiting piece includes a plurality of press blocks, the upper surface and the lower surface of protection shell are seted up with the jack in the position of through -hole, the press block is slidingly inserted in the jack inside. Through setting rolling connecting piece and wire harness cover, wire harness cover can play the role of protection to wire harness, play the role of support protection to internal wire harness, avoid wire harness bending and protection shell friction stress, lead to wire harness and the wearing and tearing fracture problem of protection shell contact part.
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Description

Technical Field

[0001] This utility model relates to the field of wire harness terminal sleeve technology, and in particular to a wire harness terminal sleeve. Background Technology

[0002] Wire harness connectors are an indispensable component of electrical systems, and their reliability directly affects the stability of the entire system. As electronic devices become more complex, the number of terminals on wire harness connectors is constantly increasing, and the design of the sheaths is also becoming more complex. Existing sheaths are usually used with retainers, which use a push rod inserted into the through hole of the sheath to limit the terminals and prevent them from coming out.

[0003] A search revealed Chinese patent publication number CN214589290U, which includes a housing, a wire harness, a slot, a protective sleeve, a dustproof block, and a raised locking block. The wire harness is located at the bottom of the housing, the slot is located at the top of the wire harness, the raised locking blocks are located on both sides of the housing, the dustproof blocks are located around the perimeter of the housing, and the protective sleeve is located at the bottom of each dustproof block. This invention incorporates a dustproof block to prevent dust from entering the working terminal block, thus avoiding dust affecting its use. The slot secures the wire harness, preventing loosening of the contact between the wire harness and the terminal block, which could affect its use. The protective sleeve, made of insulating rubber, prevents electrical leakage accidents.

[0004] While the above solution serves to prevent dust during use, and the cable trays are used to secure the cable harness, this also restricts its movement. As a result, when the cable harness is adjusted, moved, or bent, the outer wall of the cable harness is easily worn and broken, affecting its normal use. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides a wire harness terminal sleeve, which aims to improve the problem that the outer wall of the wire harness is easily worn and broken when the wire harness is adjusted, moved or bent.

[0006] To achieve the above objectives, this utility model provides the following technical solution: It includes a protective housing, on which several through holes for inserting terminals are provided, and the protective housing and the through holes form a connector. An opening for the movement of the wire harness is provided on the back of the protective housing opposite the through holes, and a wire harness sleeve is provided at the opening via a rolling connector. A limiting member for fixing the terminal wire harness is provided on the protective housing, and the limiting member includes several pressure blocks. Insertion holes are provided on both the upper and lower surfaces of the protective housing opposite the through holes, and the pressure blocks are slidably inserted into the insertion holes.

[0007] The above technical solution, consisting of a rolling element and a wire harness sleeve, is used to drive the wire harness sleeve and wire harness to change angles, satisfying various angle changes of the wire harness. It protects the wire harness, preventing wear and breakage caused by bending of the wire harness and friction with the protective shell. The pressure block can effectively prevent the terminals from falling off, improving the stability of the connection between the wire harness and the terminals.

[0008] As a further description of the above technical solution:

[0009] The rolling connector includes a ball support fixed at the opening of the protective shell, a spherical sleeve that is rolled inside the ball support, and the wire harness sleeve that is fixedly connected to the spherical sleeve.

[0010] The above technical solution allows the spherical sleeve and the ball support to rotate the wire harness sleeve in all directions, further facilitating the bending and placement of the wire harness at all angles, protecting the bending points of the wire harness, and preventing excessive bending.

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

[0012] The ends of the multiple pressure blocks are fixed with the same connecting plate, the side of the connecting plate is fixed with a snap-fit ​​plate, and the protective shell is provided with a fixing mechanism for fixing the snap-fit ​​plate.

[0013] The above technical solution uses a fixing mechanism to limit and fix the snap-fit ​​plate, further fixing the connecting plate and the pressure block to prevent the snap-fit ​​plate and pressure block from moving up and down and causing the wire harness to fall off, thus ensuring the stability of the wire harness fixing.

[0014] As a further description of the above technical solution:

[0015] The fixing mechanism includes a rotating rod rotatably mounted on the surface of the protective shell, a limiting plate fixed on the surface of the rotating rod, and a strip channel for the limiting plate to pass through on the snap-fit ​​plate.

[0016] The above technical solution utilizes a rotating rod to allow the limiting plate to rotate on the protective shell. Combined with the strip channel, it enables rapid positioning and fixing of the snap-fit ​​plate. The structure is simple and easy to operate.

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

[0018] The bottom of the pressure block is provided with an arc-shaped groove, and an elastic pad is provided at the position of the pressure block in the arc-shaped groove.

[0019] The above technical solution works by pressing down the pressure block and causing the elastic pad to move upward in sync. The elastic pad then applies pressure to fix the wire harness, while the elastic pad reduces wear between the pressure block and the wire harness.

[0020] As a further description of the above technical solution:

[0021] The end of the wire harness sleeve is fixed with a protective ring for protecting the wire harness.

[0022] Through the above technical solution, the protective ring can protect the surface of the wire harness during bending, preventing wear between the wire harness and the ring when the wire harness moves.

[0023] As a further description of the above technical solution:

[0024] The protective ring is configured as a ring-shaped protective ring.

[0025] The above technical solution involves setting the protective ring to a ring shape, which can provide all-around protection for the wire harness.

[0026] As a further description of the above technical solution:

[0027] Multiple heat dissipation pads are fixed to the side of the protective shell.

[0028] Through the above technical solution, the heat sink rapidly absorbs heat from the component surface due to its excellent thermal conductivity, and then dissipates the heat into the surrounding air through its large surface area, thereby reducing the component's temperature and ensuring its stable operation within a suitable temperature range.

[0029] This utility model has the following beneficial effects:

[0030] 1. In this utility model, by setting a rolling connector and a wire harness sleeve, the wire harness sleeve can protect the wire harness and support and protect the internal wire harness, avoiding the wire harness bending and friction with the protective shell, which would cause wear and breakage at the contact point between the wire harness and the protective shell.

[0031] 2. In this utility model, by setting a pressure block, the pressure block is inserted into the socket to press down and fix the wire harness inside, which plays a role in limiting and fixing the wire harness and the terminal, preventing the terminal from falling off, and improving the stability of the connection between the wire harness and the terminal.

[0032] 3. In this utility model, by setting a connecting plate, a snap-fit ​​plate and a fixing mechanism, the connecting plate fixes multiple snap-fit ​​blocks, and the movable connecting plate can realize the movement of multiple pressing blocks at the same time, so as to quickly realize the pressing and fixing work. The fixing mechanism can limit and fix the snap-fit ​​plate, and at the same time, the snap-fit ​​plate fixes the connecting plate synchronously, further avoiding the problem of displacement and shaking of the pressing blocks and the connecting plate, and improving the stability of the fixation. Attached Figure Description

[0033] Figure 1 This is a three-dimensional structural diagram of a wire harness terminal sheath proposed in this utility model;

[0034] Figure 2 This is a schematic diagram of another angle of the wire harness terminal sheath proposed in this utility model;

[0035] Figure 3 This is a schematic diagram of the rotating rod structure of a wire harness terminal sheath proposed in this utility model;

[0036] Figure 4 This is a schematic diagram of the pressure block structure of a wire harness terminal sheath proposed in this utility model.

[0037] Legend:

[0038] 1. Protective outer shell; 2. Wiring harness sleeve; 3. Rolling connector; 301. Ball holder; 302. Spherical sleeve; 4. Protective ring; 5. Limiting component; 501. Connecting plate; 502. Snap-fit ​​plate; 503. Pressure block; 504. Elastic pad; 6. Fixing mechanism; 601. Rotating rod; 602. Limiting plate; 7. Heat dissipation patch. Detailed Implementation

[0039] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0040] Reference Figures 1-3 An embodiment of this utility model includes a protective shell 1, which has several through holes for inserting terminals. The protective shell 1 and the through holes form a connector. An opening for the movement of the wire harness is provided on the back of the protective shell 1 opposite to the through holes. A wire harness sleeve 2 is provided at the opening through a rolling connector 3. A limiting member 5 for fixing the terminal wire harness is provided on the protective shell 1. The limiting member 5 includes several pressure blocks 503. Insertion holes are provided on the upper and lower surfaces of the protective shell 1 opposite to the through holes. The pressure blocks 503 are slidably inserted into the insertion holes.

[0041] Specifically, by setting the rolling connector 3 and the wire harness sleeve 2, the wire harness sleeve 2 can protect the wire harness and support and protect the internal wire harness, preventing the wire harness from bending and rubbing against the protective shell 1, which would cause wear and breakage at the contact point between the wire harness and the protective shell 1. By setting the pressure block 503, the pressure block 503 is inserted into the socket to press down and fix the internal wire harness, which can limit and fix the wire harness and the terminal.

[0042] Reference Figures 2-3The rolling connector 3 includes a ball support 301 fixed at the opening of the protective housing 1, a spherical sleeve 302 rolling inside the ball support 301, and the wire harness sleeve 2 fixedly connected to the spherical sleeve 302.

[0043] Specifically, by setting up a ball support 301 and a spherical sleeve 302, the ball support 301 supports and limits the spherical sleeve 302, allowing the spherical sleeve 302 to roll inside the ball support 301, thereby driving the wire harness sleeve 2 and the wire harness to move synchronously. At the same time, the arc inside the spherical sleeve 302 limits the wire harness, preventing the wire harness from being damaged or broken due to excessive bending angle.

[0044] Reference Figures 2-4 The ends of multiple pressure blocks 503 are fixed with the same connecting plate 501, the side of the connecting plate 501 is fixed with a snap-fit ​​plate 502, and the protective shell 1 is provided with a fixing mechanism 6 for fixing the snap-fit ​​plate 502.

[0045] Specifically, by setting up a connecting plate 501, a snap-fit ​​plate 502, and a fixing mechanism 6, the connecting plate 501 fixes multiple snap-fit ​​blocks. Moving the connecting plate 501 can simultaneously move multiple pressure blocks 503, quickly achieving the pressing and fixing work. The fixing mechanism 6 can limit and fix the snap-fit ​​plate 502, while the snap-fit ​​plate 502 fixes the connecting plate 501 synchronously, further avoiding the problem of displacement and shaking of the pressure blocks 503 and the connecting plate 501, and improving the stability of the fixation.

[0046] Reference Figures 2-3 The fixing mechanism 6 includes a rotating rod 601 rotatably mounted on the surface of the protective housing 1. A limiting plate 602 is fixed on the surface of the rotating rod 601. A strip channel for the limiting plate 602 to pass through is provided on the snap-fit ​​plate 502.

[0047] Specifically, by setting up a rotating rod 601 and a limiting plate 602, rotating the limiting plate 602 to make it horizontal with the strip channel can release the fixation of the snap-fit ​​plate 502. Moving the snap-fit ​​plate 502 upward can drive the connecting plate 501 and the pressure block 503 upward simultaneously, releasing the clamping fixation of the wire harness. Conversely, rotating the limiting plate 602 to make it perpendicular to the strip channel can limit the snap-fit ​​plate 502, effectively preventing the limiting plate 602 from wobbling up and down. The structure is simple and the operation is convenient.

[0048] Reference Figure 4 The bottom of the pressure block 503 is provided with an arc-shaped groove, and the pressure block 503 is provided with an elastic pad 504 at the position of the arc-shaped groove.

[0049] Specifically, by setting an elastic pad 504 and an arc-shaped groove, it is easier to fit better with the surface of the wire harness. The elastic pad 504 can apply its own elasticity to improve the fixing effect of the wire harness, while reducing the rigid force of the pressure block 503 on the wire harness and preventing wear and cracking of the wire harness surface over a long period of time.

[0050] Reference Figures 2-3 The end of the wire harness sleeve 2 is fixed with a protective ring 4 for protecting the wire harness;

[0051] Specifically, by setting up a protective ring 4, the connection between the wire harness and the wire harness sleeve 2 is protected, further reducing the problem of wire harness wear.

[0052] Reference Figures 2-3 The protective ring 4 is set as a ring-shaped protective ring 4;

[0053] Specifically, the protective ring 4 is made of rubber, which can maintain its original shape when subjected to pressure and retain its original elasticity even after long-term use, with stable performance.

[0054] Reference Figures 1-3 Multiple heat dissipation pads 7 are fixed on the side of the protective shell 1;

[0055] Specifically, by setting up heat dissipation pads 7, a certain cooling effect is achieved.

[0056] Working principle: The wire harness is placed inside the protective housing 1 through the wire harness sleeve 2 and the ball sleeve 302, with the terminals located at the through holes. Then, the pressure blocks 503 are inserted into the upper and lower insertion holes through the upper and lower connecting plates 501 respectively, so that the elastic pads 504 are fixed and pressed on the wire harness to fix the wire harness. Then, the limiting plate 602 is rotated so that the limiting plate 602 is perpendicular to the limiting channel on the snap-fit ​​plate 502 to limit the snap-fit ​​plate 502.

[0057] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make substitutions for some of the technical features. Any modifications, substitutions, or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wire harness terminal sheath, characterized in that: The device includes a protective housing (1), which has several through holes for inserting terminals. The protective housing (1) and the through holes form a connector. The back of the protective housing (1) has an opening for the movement of the wire harness at the position opposite to the through holes. The opening is provided with a wire harness sleeve (2) through a rolling connector (3). The protective housing (1) has a limiting member (5) for fixing the terminal wire harness. The limiting member (5) includes several pressure blocks (503). The upper and lower surfaces of the protective housing (1) are provided with insertion holes at the positions opposite to the through holes. The pressure blocks (503) are slidably inserted into the insertion holes.

2. The wire harness terminal sheath according to claim 1, characterized in that: The rolling connector (3) includes a ball support (301) fixed at the opening of the protective shell (1), and a spherical sleeve (302) is rolled inside the ball support (301). The wire harness sleeve (2) is fixedly connected to the spherical sleeve (302).

3. A wire harness terminal sheath according to claim 1, characterized in that: The ends of the multiple pressure blocks (503) are fixed with the same connecting plate (501), the side of the connecting plate (501) is fixed with a snap-fit ​​plate (502), and the protective shell (1) is provided with a fixing mechanism (6) for fixing the snap-fit ​​plate (502).

4. A wire harness terminal sheath according to claim 3, characterized in that: The fixing mechanism (6) includes a rotating rod (601) rotatably mounted on the surface of the protective shell (1), a limiting plate (602) is fixed on the surface of the rotating rod (601), and a strip channel for the limiting plate (602) to pass through is provided on the snap-fit ​​plate (502).

5. A wire harness terminal sheath according to claim 1, characterized in that: The bottom of the pressure block (503) is provided with an arc-shaped groove, and the pressure block (503) is provided with an elastic pad (504) at the position of the arc-shaped groove.

6. A wire harness terminal sheath according to claim 2, characterized in that: The end of the wire harness sleeve (2) is fixed with a protective ring (4) for protecting the wire harness.

7. A wire harness terminal sheath according to claim 6, characterized in that: The protective ring (4) is configured as an annular protective ring (4).

8. A wire harness terminal sheath according to claim 1, characterized in that: Multiple heat dissipation pads (7) are fixed to the side of the protective shell (1).