High-voltage wire harness protection plate capable of preventing and isolating noise and resonance
By designing a high-voltage wire harness guard that prevents noise and resonance, using a guard body and cover structure, combined with rubber parts and metal bushings, the problems of wire harness fixation, noise and resonance in the vehicle space are solved, and the wire harness is stably fixed and wear is reduced.
Patent Information
- Application Number
- CN202422859810.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-22
AI Technical Summary
How to effectively and reasonably arrange a large number of wiring harnesses in the limited space of a car, solve the problems of fixing the wiring harness direction and gathering the wire outlets, and at the same time reduce noise and resonance.
A high-voltage wiring harness guard is designed to prevent noise and resonance. The guard body and cover structure are combined with rubber parts and metal bushings. The guard is fixed by locking spring tongues and baffles. The buffering properties of the rubber parts are used to reduce noise and resonance, ensuring that the wiring harness is fixed and does not fall off.
It achieves stable fixation of the wiring harness, reduces noise and resonance, prevents wiring harness wear, avoids scratches on the vehicle body, and improves the fixation firmness and service life of the wiring harness.
Smart Images

Figure CN223472019U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile wire harness, concretely to a high pressure wire harness protection plate of preventing and separating noise and resonance. BACKGROUND
[0002] The automobile wire harness is the network main body of the automobile circuit, connects the electrical and electronic components of the automobile and makes it play the function, and there is no automobile circuit without the wire harness. At present, whether it is a senior luxury car or an economic ordinary car, the form of the wire harness is basically the same, which is composed of wires, plug-in components, corrugated pipes and tapes. It not only needs to ensure the transmission of electrical signals, but also needs to ensure the reliability of the connected circuit, supply the specified current to the electronic and electrical components, and eliminate the electrical short circuit. With the increase of automobile functions and the widespread application of electronic control technology, the electrical components are more and more, and the wires are more and more, the number and power consumption of the circuits on the automobile increase significantly, and the wire harness becomes thicker and heavier. This is a big problem that needs to be solved. How to arrange a large number of wire harnesses more effectively and reasonably in the limited automobile space and make the automobile wire harness play a greater function has become a problem faced by the automobile manufacturing industry. As a result, the fixation of the wire harness and the gathering of the wire harness outlet become problems that need to be solved. At this time, the wire harness protection plate emerges as the times require, and the demand for this is particularly strong in medium and high-end cars. SUMMARY
[0003] In view of the above problems, the utility model provides a high pressure wire harness protection plate of preventing and separating noise and resonance, which solves the above problems.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a high pressure wire harness protection plate of preventing and separating noise and resonance, which comprises a protection plate main body and a protection cover, the left end and the right end of the protection plate main body and the protection cover are provided with folded edges, the left end and the right end of the protection plate main body are provided with mounting feet, the front end of the protection plate main body is provided with three rows of rolling belt fixing holes, and each row is provided with three rolling belt fixing holes, the folded edges of the protection plate main body are fixed with three locking elastic tongues distributed from top to bottom, the protection cover is provided with baffles corresponding to the locking elastic tongues, and the protection cover is fixed with locking holes corresponding to the baffles.
[0005] The lower end of the mounting foot is fixed with two symmetrical reinforcing ribs, the reinforcing rib is fixedly connected with the protection plate main body, the end of the mounting foot away from the protection plate main body is provided with a clamping notch, the clamping notch is clamped with a gasket, and the length of the protection plate main body is greater than the length of the protection cover.
[0006] The gasket comprises a rubber part and a metal bushing, the rubber part is sleeved on the outside of the metal bushing, the rubber part is a cylindrical I-shaped, cross-shaped grooves are formed in the upper end and the lower end of the rubber part, and the upper end of the metal bushing is funnel-shaped.
[0007] Preferably, the height of the rubber piece is 15mm, the material is EPDM, and the hardness is 55-65HA, and the material of the metal bushing is DC01.
[0008] Preferably, the lower end of the metal bushing is provided with an outwardly bent flange along the circumference thereof.
[0009] Preferably, the guard plate body, the rolling strip fixing hole, the mounting leg, the reinforcing rib, the clamping notch and the locking elastic tongue are integrally formed by an injection molding process, and the cover, the guard plate and the locking hole are integrally formed by an injection molding process.
[0010] Compared with the prior art, the utility model has the advantages that:
[0011] 1. The cable is clamped by the guard plate body and the cover, and the device is fixed on the vehicle body by the bolt and the gasket, the high-voltage wire harness is protected in the guard plate body and the cover, the whole structure can not only be fixed and not fall off, but also can block noise and resonance, the high-voltage wire harness is fixed on the guard plate body by the rolling strip fixed hole passing through the rolling strip, so that the high-voltage wire harness is prevented from shaking between the guard plate body and the cover during the driving of the vehicle wheel, and wear is caused.
[0012] 2. The force generated during the driving of the vehicle wheel is buffered by the rubber piece, the mutual impact between the guard plate body and the vehicle wheel is reduced, the cross-shaped groove is formed in the rubber piece, the vehicle body is pressed by the rubber piece when the device is fixed on the vehicle body by the bolt, the metal bushing is prevented from directly contacting the vehicle body to cause scratches on the vehicle body, the groove in the rubber piece increases the friction between the rubber piece and the vehicle body, the fastening firmness is further increased, the device is prevented from sliding, the rubber piece made of rubber is beneficial to reducing vibration, noise and resonance. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the utility model;
[0014] Figure 2 It is a separate schematic view of the utility model;
[0015] Figure 3 It is a guard plate body schematic view of the utility model;
[0016] Figure 4 It is a cover schematic view of the utility model;
[0017] Figure 5 It is a gasket schematic view of the utility model.
[0018] The figure annotation description: 1, the guard board main part; 2, the cover; 3, the gasket; 11, the fixed hole of rolling strip; 12, the mounting leg; 13, the reinforcing rib; 14, the clamping gap; 15, the locking elastic tongue; 21, the baffle; 22, the locking hole; 31, the rubber part; 32, the metal bush; 311, the groove. DETAILED DESCRIPTION
[0019] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0020] Please refer to Figure 1 , Figure 2 and Figure 3 , a kind of high-voltage wire harness guard board of preventing and isolating noise and resonance, including guard board main part 1 and cover 2, the left end and right end of the guard board main part 1 and cover 2 are all equipped with folding edge, the folding edge of the guard board main part 1 and cover 2 are mutually matched, so that interval is formed between the guard board main part 1 and cover 2, for folding high-voltage wire harness, the left end and right end of the guard board main part 1 are all equipped with mounting leg 12, the front end of the guard board main part 1 is equipped with three rows of fixed holes 11 of rolling strip and is equipped with three fixed holes 11 of rolling strip per row, the folding edge of the guard board main part 1 is all fixed with three locking elastic tongues 15 distributed from top to bottom, the cable is clamped by the guard board main part 1 and cover 2, and the device height is fixed on the body of automobile by bolt and gasket 3, high-voltage wire harness is protected in the guard board main part 1 and cover 2, and the whole structure can guarantee fixed not to fall off, and also can play the role of blocking noise and resonance, high-voltage wire harness is fixed on the guard board main part 1 by the fixed hole 11 of rolling strip passing through rolling strip, prevent high-voltage wire harness from appearing in the guard board main part 1 and cover 2 when wheel is running, and then cause abrasion, the cover 2 is opened with the baffle 21 corresponding to the locking elastic tongue 15, the cover 2 is fixed with the locking hole 22 corresponding to the baffle 21, the locking elastic tongue 15 is inserted in the baffle 21, and is clamped and fixed, realize the fixation between the guard board main part 1 and cover 2, while setting the locking hole 22 on the cover 2, the locking hole 22 is abutted to the locking elastic tongue 15, prevents the locking elastic tongue 15 from easily separating from the baffle 21, realizes the firmness of the connection between the guard board main part 1 and cover 2, the lower end of the mounting leg 12 is all fixed with two symmetrical reinforcing ribs 13, the reinforcing rib 13 is fixedly connected with the guard board main part 1, the end of the mounting leg 12 away from the guard board main part 1 is all equipped with clamping gap 14, the gasket 3 is all clamped in the clamping gap 14, the length of the guard board main part 1 is greater than the length of the cover 2, the reinforcing rib 13 is used to reinforce the mounting leg 12, when the component is fixed by bolt, prevent the mounting leg 12 from breaking due to too tight fastening.
[0021] Please refer to Figure 2 , Figure 3 andFigure 5 The gasket 3 comprises a rubber piece 31 and a metal bushing 32, the rubber piece 31 is sleeved outside the metal bushing 32, the rubber piece 31 is a cylindrical I-shaped, the height of the rubber piece 31 is 15mm, the material is EPDM, the hardness is 55-65HA, the material of the metal bushing 32 is DC01, the upper end and the lower end of the rubber piece 31 are provided with cross-shaped grooves 311, the upper end of the metal bushing 32 is funnel-shaped, the lower end of the metal bushing 32 is provided with an outwardly bent flange along the circumference, the force generated in the process of wheel driving is buffered by the rubber piece 31, the mutual impact between the guard plate body 1 and the wheel is reduced, meanwhile, the cross-shaped grooves 311 are formed in the rubber piece 31, when the device is fixed on the vehicle body through bolts, the vehicle body is compressed through the rubber piece 31, the direct contact between the metal bushing 32 and the vehicle body is prevented, the vehicle body is prevented from being scratched, meanwhile, the grooves 311 on the rubber piece 31 increase the friction force between the rubber piece 31 and the vehicle body, the fixing firmness is further increased, the device is prevented from sliding, meanwhile, the rubber piece 31 made of rubber is beneficial to reducing vibration, noise and resonance.
[0022] Please refer to Figure 1 、 Figure 2 and Figure 3 The guard plate body 1, the rolling strip fixing hole 11, the mounting leg 12, the reinforcing rib 13, the clamping notch 14 and the locking elastic tongue 15 are integrally formed by an injection molding process, the guard cover 2, the baffle 21 and the locking hole 22 are integrally formed by an injection molding process, the process of injection molding is adopted for manufacturing, the firmness of the connection between parts is ensured, meanwhile, when the guard plate body 1 and the guard cover 2 are damaged, the guard plate body 1 and the guard cover 2 can be recovered and reused, resource waste is prevented.
[0023] When the utility model is used:
[0024] The high-voltage wire harness is placed between the folded edges of the guard plate body 1 and the guard cover 2, after completion, the guard plate body 1 and the guard cover 2 are buckled together, the guard plate body 1 and the guard cover 2 are fixedly connected together through the locking elastic tongue 15 and the baffle 21, after completion, the rubber piece 31 is clamped in the mounting leg 12, the metal bushing 32 is inserted into the rubber piece 31, M6 bolts are used to pass through the metal bushing 32 from the upper end surface and are fixed on the vehicle body, the high-voltage wire harness is protected between the guard plate body 1 and the guard cover 2, the whole structure can ensure that it is not detached and can also play a role in blocking noise and resonance.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A high-voltage wire harness shield plate for preventing noise and resonance, characterized by: It includes the guard body (1) and the guard cover (2), the left end and the right end of the guard body (1) and the guard cover (2) are provided with the folded edge, the left end and the right end of the guard body (1) are provided with the mounting foot (12), the front end of the guard body (1) is provided with three rows of rolling strip fixing holes (11) and is provided with three rolling strip fixing holes (11) in each row, the folded edge of the guard body (1) is fixed with three locking elastic tongues (15) distributed from top to bottom, the guard cover (2) is provided with a baffle (21) corresponding to the locking elastic tongue (15), the guard cover (2) is fixed with a locking hole (22) corresponding to the baffle (21); The lower end of the mounting foot (12) is fixed with two symmetrical reinforcing ribs (13), the reinforcing rib (13) is fixedly connected with the guard body (1), the end of the mounting foot (12) away from the guard body (1) is provided with a clamping notch (14), the clamping notch (14) is clamped with a gasket (3), the length of the guard body (1) is greater than the length of the guard cover (2); The gasket (3) includes a rubber part (31) and a metal bushing (32), the rubber part (31) is sleeved on the outside of the metal bushing (32), the rubber part (31) is a cylindrical I-shaped, the upper end and the lower end of the rubber part (31) are provided with cross-shaped grooves (311), the upper end of the metal bushing (32) is funnel-shaped.
2. The noise and resonance isolation high-voltage wire harness cover plate of claim 1, wherein: The height of the rubber part (31) is 15mm, the material is EPDM, and the hardness is 55-65HA, the material of the metal bushing (32) is DC01.
3. The noise and resonance shielding high-voltage wire harness cover plate according to claim 1, characterized in that: The lower end of the metal bushing (32) is provided with an outwardly bent flange along its circumference.
4. The noise and resonance shielding high-voltage wire harness cover plate according to claim 1, characterized in that: The guard body (1), the rolling strip fixing hole (11), the mounting foot (12), the reinforcing rib (13), the clamping notch (14) and the locking elastic tongue (15) are integrally formed by injection molding process, the guard cover (2), the baffle (21) and the locking hole (22) are integrally formed by injection molding process.