Fixed groove type wire harness support in engine cylinder
By designing a fixed slot-type engine cylinder wiring harness bracket, the problems of insufficient reliability and expandability of traditional wiring harness fixing methods are solved, achieving stable fixing and convenient installation of the wiring harness, and improving the safety and reliability of the engine interior.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-05
- Publication Date
- 2026-04-14
AI Technical Summary
Traditional wiring harness fixing methods suffer from low fixing reliability, low installation efficiency, and insufficient expandability inside the engine.
A fixed slot type engine cylinder in-cylinder wiring harness bracket was designed. It adopts an integrated bracket body and insert, and is equipped with wire storage slot, locking unit hole and drainage slot. Combined with the lead wire outer edge of the oblique wave structure, it can realize the neat arrangement and firm fixation of the wiring harness.
It improves the safety and ease of maintenance of the wiring harness, enhances the scalability of the system, and improves installation stability and reliability through one-piece molding and copper bushing.
Smart Images

Figure CN224117238U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive engine wiring harness fixing technology, specifically a fixed groove type engine cylinder wiring harness bracket. Background Technology
[0002] In the complex environment inside an engine, the reliable securing and heat dissipation performance of wiring harnesses directly affect vehicle safety and lifespan. Traditional wiring harness securing methods have the following problems:
[0003] Low reliability of fixed installation: Split brackets or cable ties are prone to wire harness displacement, wear or even breakage due to high-frequency vibration of the engine;
[0004] Low installation efficiency: Multi-component splicing brackets need to be assembled one by one, which is cumbersome and prone to assembly errors.
[0005] Insufficient scalability: Existing brackets are difficult to adapt to the needs of new wiring harnesses, requiring complete replacement or modification. Utility Model Content
[0006] (a) Technical problems to be solved
[0007] To address the shortcomings of existing technologies, this utility model provides a fixed groove type engine cylinder in-cylinder wiring harness bracket.
[0008] (II) Technical Solution
[0009] To achieve the above objectives, the present invention provides the following technical solution: A fixed groove type engine cylinder in-cell wiring harness bracket of the present invention includes a bracket body and an insert. The insert is located on one side of the bracket body, and there are several inserts. The insert and the bracket body are an integral structure. The bracket body is provided with a wire storage groove and several drainage slots. Several locking unit holes are distributed in the wire storage groove.
[0010] Preferably, one end of the bracket body is provided with a lead wire outer edge, the lead wire outer edge is provided with a lead wire groove, and locking unit holes are distributed in the lead wire groove.
[0011] More preferably, the drainage channel includes a main channel and a reserved channel, the main channel being located at both ends of the support body, and the reserved channel being located on the side of the support body.
[0012] Preferably, at least two reserved slots are provided, and the reserved slots are located on the opposite side of the outer edge of the lead wire.
[0013] Preferably, the inserts are located on the same side of the reserved slot, and at least three inserts are distributed on the main body of the bracket. Each insert has an insert hole through which a bolt passes.
[0014] More preferably, the main body of the bracket is a long strip structure, and the two sides of the outer edge of the lead wire are oblique wave structures.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, the present invention provides a fixed slot-type engine cylinder wiring harness bracket, which has the following advantages:
[0017] The cable management channel design allows the cable bundles to be neatly arranged along a predetermined path, limiting lateral displacement and avoiding the messy appearance common in traditional wiring methods, thus improving safety and ease of maintenance. Furthermore, the main channel opening facilitates the introduction of cable bundles, while reserved channels provide space for future additions of wiring, enhancing the system's scalability.
[0018] Locking unit holes are evenly distributed within the wire storage slots, used in conjunction with cable ties to ensure the wire harness is securely fixed and prevent loosening due to vibration. The insert is integrally injection molded with the bracket body and features copper bushings to enhance bolt connection strength, greatly improving installation stability and reliability.
[0019] The oblique wave structure design of the lead wire's outer edge not only enhances its aesthetics but also strengthens its physical protection capabilities, while facilitating the smooth connection of the wire harness. Attached Figure Description
[0020] Figure 1 This is a top view of the present invention.
[0021] Figure 2 This is a front view schematic diagram of the present invention;
[0022] Figure 3 This is a three-dimensional structural diagram of the present invention;
[0023] In the diagram: 1. Main body of the bracket; 2. Wire storage groove; 3. Inlay; 4. Outer edge of the lead wire; 5. Lead wire groove; 6. Locking unit hole; 7. Main slot; 8. Reserved slot; 9. Inlay hole. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-3This utility model discloses a fixed groove type engine cylinder in-cylinder wiring harness bracket, including a bracket body 1 and an insert 3. The insert 3 is located on one side of the bracket body 1, and there are several inserts 3. The insert 3 and the bracket body 1 are an integral structure. The bracket body 1 is provided with a wire receiving groove 2 and several drainage slots. Several locking unit holes 6 are distributed in the wire receiving groove 2.
[0026] This fixed-slot type in-cylinder wiring harness bracket is designed to provide a robust, easy-to-install, and easy-to-maintain solution. Its core lies in the design of the bracket body 1 and the insert 3, ensuring the safety and stability of the wiring harness within the engine's internal environment.
[0027] Core Structure
[0028] Support body 1: Long strip-shaped integrated structure, preferably made of high temperature resistant nylon (PA66-GF30) or aluminum alloy, with anodized surface treatment;
[0029] Wire storage groove 2: It is opened longitudinally along the main body of the bracket 1 to accommodate the wire harness and restrict its lateral displacement;
[0030] Drainage slots: including main slots 7 (located at both ends of the bracket) and reserved slots 8 (distributed on the sides), used to lead out the wire harness;
[0031] Locking unit holes 6: evenly distributed in the wire storage groove 2, adapted to cable ties, to fix the wire harness;
[0032] Insert 3: integrally injection molded with the bracket body 1, at least 3 inserts are provided, each insert 3 has an insert hole 9 for bolt fixing the bracket to the cylinder body.
[0033] Preferred technical solution
[0034] Optimization of lead wire outer edge 4:
[0035] One end of the bracket body 1 extends out to the lead wire eaves 4, and the two sides are oblique wave structures;
[0036] The outer edge 4 of the lead wire is provided with a lead wire groove 5, and the groove is provided with locking unit holes 6 for fixing the wire harness outlet end;
[0037] Optimization of drainage channel opening:
[0038] The main slot 7 is 8-10mm wide and 5mm deep, and is used for centralized heat dissipation.
[0039] The reserved slot 8 is 5-6mm wide and is distributed on the opposite side of the outer edge 4 of the lead wire, reserving space for the expansion of the wire harness;
[0040] Inlay 3 optimization:
[0041] The inlay 3 is located on the same side as the reserved slot 8, and three are distributed there. The inlay hole 9 is inlaid with a copper bushing (inner diameter Φ4.5mm) to improve the bolt connection strength.
[0042] Working principle and workflow
[0043] Wire harness fixing and guiding
[0044] Wire harness pre-assembly: Arrange the wire harness along the wire storage groove 2 and fix it through the locking unit hole 6;
[0045] Positioning of lead groove 5: The wire outlet end of the wire harness passes through lead groove 5 and is locked by locking unit hole 6 to prevent the wire harness from swinging;
[0046] Installing insert 3: Secure the bracket to the pre-embedded stud in the engine block using bolts through insert hole 9, with an installation torque of 5-8 N·m.
[0047] Extended functionality
[0048] Extended slot 8: New wiring harnesses can be arranged along the reserved slot 8 without replacing the bracket.
[0049] The oblique wave structure design on both sides of the lead wire outer edge 4 not only enhances the visual effect, but more importantly, increases the physical protection capability, and also helps the wire harness to be smoothly connected and arranged.
[0050] Integrated structure for vibration resistance: The main body of the support frame 1 and the inlay 3 are integrally formed, eliminating the risk of loosening of the separate connection.
[0051] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fixed slot type engine cylinder in-cylinder wiring harness bracket, characterized in that, It includes a support body (1) and an insert (3). The insert (3) is located on one side of the support body (1), and there are several inserts (3). The insert (3) and the support body (1) are an integral structure. The support body (1) is provided with a wire storage groove (2) and several drainage slots. Several locking unit holes (6) are distributed in the wire storage groove (2).
2. The fixed slot type engine cylinder in-cylinder wiring harness bracket according to claim 1, characterized in that, One end of the bracket body (1) is provided with a lead wire outer edge (4), and a lead wire groove (5) is provided inside the lead wire outer edge (4), and locking unit holes (6) are distributed inside the lead wire groove (5).
3. A fixed slot type engine cylinder in-cylinder wiring harness bracket according to claim 2, characterized in that, The drainage channel includes a main channel (7) and a reserved channel (8). The main channel (7) is located at both ends of the support body (1), and the reserved channel (8) is located on the side of the support body (1).
4. A fixed slot type engine cylinder in-cylinder wiring harness bracket according to claim 3, characterized in that, At least two reserved slots (8) are provided, and the reserved slots (8) are located on the opposite side of the outer edge (4) of the lead wire.
5. A fixed slot type engine cylinder in-cylinder wiring harness bracket according to claim 4, characterized in that, The inlay (3) is located on the same side of the reserved slot (8). There are at least three inlays (3) on the support body (1). The inlay (3) is provided with an inlay hole (9) and a bolt passes through the inlay hole (9).
6. A fixed slot type engine cylinder in-cylinder wiring harness bracket according to claim 5, characterized in that, The main body (1) of the bracket is a long strip structure, and the two sides of the outer edge (4) of the lead wire are oblique wave structures.