A multi-layer composite low-frequency noise isolation support

By using the sliding connection and plug design of the multi-layer composite low-frequency noise isolation bracket, efficient noise reduction and simplified maintenance are achieved, solving the problem of difficult maintenance of traditional brackets and improving maintenance efficiency.

CN224501482UActive Publication Date: 2026-07-14HENAN XIANGRUI AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN XIANGRUI AUTO PARTS CO LTD
Filing Date
2025-06-30
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing low-frequency noise isolation brackets require a lot of time to remove bolts during maintenance, and if a sound insulation panel has a problem, the entire structure needs to be disassembled, making maintenance difficult and inefficient.

Method used

It adopts a multi-layer composite structure, with noise reduction components and sound insulation panels working together through sliding connections. The noise reduction components and sound insulation cotton panels reduce noise in multiple layers, and the sound insulation panels can be disassembled individually through the design of plugs and fixing nuts, simplifying the maintenance process.

Benefits of technology

It improves noise reduction efficiency, simplifies maintenance operations, reduces maintenance difficulty and time, and improves maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224501482U_ABST
    Figure CN224501482U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of multilayer composite low-frequency noise isolation support, it is related to noise reduction technical field, to solve not only need to spend a lot of time to remove many bolts, and if one of sound insulation board appears problem, often need to disassemble entire structure, maintenance difficulty is big, the problem of low efficiency;Including bottom plate, bracket is equipped on bottom plate, two groups of bracket are connected through a group of sound insulation board, in sound insulation board is connected with bracket through connecting assembly, and detachably installed with noise reduction assembly on the outer wall of sound insulation board;The multilayer composite low-frequency noise isolation support of the present application is cooperated with sound insulation board by noise reduction assembly, realizes multilayer noise reduction;Noise is initially collected through the hole on noise reduction piece first, then is secondly blocked by sound-absorbing cotton board, finally is thirdly reduced by sound insulation board, reduces noise volume layer by layer, effectively improves noise reduction efficiency, compared with traditional single-layer noise reduction structure, can better meet the noise control scene of high requirement.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of noise reduction technology, and in particular to a multi-layer composite low-frequency noise isolation bracket. Background Technology

[0002] Currently, in the field of low-frequency noise isolation, most commonly used noise isolation brackets employ traditional structures and noise reduction components. The noise reduction components and sound insulation panels of some isolation brackets are often fixed with bolts or stacked. During maintenance, this not only requires a significant amount of time to remove numerous bolts, but also often necessitates disassembling the entire structure if one sound insulation panel malfunctions, resulting in high maintenance difficulty and low efficiency.

[0003] Therefore, this application provides a multi-layer composite low-frequency noise isolation bracket to meet the requirements. Utility Model Content

[0004] The purpose of this application is to provide a multi-layer composite low-frequency noise isolation bracket, which aims to solve the problems of not only requiring a lot of time to remove numerous bolts, but also often requiring the entire structure to be disassembled if one of the sound insulation panels malfunctions, resulting in high maintenance difficulty and low efficiency.

[0005] To achieve the above objectives, this application provides the following technical solution: a multi-layer composite low-frequency noise isolation bracket, including a base plate, a bracket on the base plate, two sets of brackets connected by a set of sound insulation panels, the sound insulation panels connected to the brackets by connecting components, and a noise reduction component detachably installed on the outer wall of the sound insulation panels;

[0006] The noise reduction assembly also includes a noise reduction plate and noise reduction components. The noise reduction plate is slidably connected to the outer wall of the sound insulation board, and multiple noise reduction components are provided on the noise reduction plate. The noise reduction components have a triangular cross-section and a hollow structure, and holes communicating with the interior are provided on the inclined surface of the noise reduction components.

[0007] Preferably, the noise reduction plate is provided with a placement groove, and a sound-reducing cotton board is installed in the placement groove, and the noise reduction component is installed on the placement groove.

[0008] Preferably, the outer wall of the sound insulation panel is provided with symmetrical upper and lower sliding strips, the sliding strips have a T-shaped cross section, and the end face of the noise reduction panel is provided with a sliding groove that matches the sliding strip. The sliding groove and the sliding strip are matched, and a sealing head is installed at the end of the sliding strip by bolts.

[0009] Preferably, a connector is provided on the outer wall of the sound insulation panel. The connector is a hollow rectangular part and has interconnected connecting holes on the connector. A reinforcing member with a strengthening structure is provided inside the connector. The reinforcing member has through holes and the through holes are aligned with the connecting holes.

[0010] The connector is bolted to the sound insulation panel, and the connecting holes and through holes are slidably connected to the connecting assembly.

[0011] Preferably, the connecting assembly includes a plug and a fixing nut, the bracket is provided with a through hole, the plug is slidably connected to the through hole, and the fixing nut is threadedly connected to the end of the plug;

[0012] The plug passes through the connecting hole and has a fixing seat on the outer wall of the bracket. The plug has a hole and the hole is connected to the fixing seat by bolts.

[0013] In summary, the technical effects and advantages of this utility model are as follows:

[0014] This utility model discloses a multi-layer composite low-frequency noise isolation bracket that achieves multi-layer noise reduction through the cooperation of noise reduction components and sound insulation panels. Noise is first initially collected through holes in the noise reduction components, then blocked a second time by the sound-reducing cotton board, and finally reduced a third time by the sound insulation panel. This process reduces the noise volume layer by layer, effectively improving noise reduction efficiency. Compared with traditional single-layer noise reduction structures, it can better meet the requirements of high-noise control scenarios.

[0015] This invention features a noise reduction component that uses a sliding connection. The noise reduction panel engages with the sliding strip on the outer wall of the sound insulation panel via a sliding groove, making installation and removal convenient and quick. Subsequent maintenance requires no complex operations for disassembly, significantly reducing maintenance difficulty. The connection component between the sound insulation panel and the bracket uses a bolt and fixing nut design. When a sound insulation panel malfunctions, it can be disassembled and maintained directly from the side, without needing to disassemble the entire structure from the front, improving maintenance efficiency. The design of the connectors and reinforcements ensures connection strength without affecting the individual disassembly and maintenance of the sound insulation panel, further optimizing the maintenance experience. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the support structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the noise reduction component structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the exploded structure of this utility model.

[0022] In the diagram: 1. Base plate; 2. Bracket; 200. Perforation; 201. Fixing seat; 3. Bolt; 4. Fixing nut; 5. Sound insulation board; 500. Sliding strip; 6. Connector; 600. Connecting hole; 7. Reinforcing part; 700. Through hole; 8. Noise reduction board; 800. Sliding groove; 801. Placement groove; 9. Noise reduction component; 10. Sound reduction cotton board; 11. End cap. Detailed Implementation

[0023] 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.

[0024] Example: Reference Figure 1-5 The multi-layer composite low-frequency noise isolation bracket shown includes a base plate 1, a bracket 2 on the base plate 1, two sets of brackets 2 are connected by a set of sound insulation panels 5, the sound insulation panels 5 are connected to the brackets 2 by a connecting component, and a noise reduction component is detachably installed on the outer wall of the sound insulation panels 5.

[0025] Noise Reduction Components: The noise reduction plate 8 is slidably connected to the outer wall of the sound insulation plate 5, and multiple noise reduction components 9 are provided on the noise reduction plate 8. The noise reduction component 9 has a triangular cross-section and a hollow structure. The inclined surface of the noise reduction component 9 is provided with a hole that connects to the interior. With the above structure, compared with the existing connection method of noise reduction components, the installation method of the noise reduction component in this embodiment is convenient for disassembly and installation in subsequent maintenance, reducing maintenance difficulty and improving maintenance efficiency.

[0026] As one embodiment of this example, the noise reduction plate 8 is provided with a placement groove 801, and a sound reduction cotton plate 10 is installed in the placement groove 801, and the noise reduction component 9 is installed on the placement groove 801; the design of the sound reduction cotton plate 10 achieves the purpose of multi-layer noise reduction, and the noise is reduced in multiple layers to improve the noise reduction efficiency.

[0027] As one embodiment of this invention, the outer wall of the sound insulation panel 5 is provided with vertically symmetrical sliding strips 500. The sliding strips 500 have a T-shaped cross-section. The end face of the noise reduction panel 8 is provided with a sliding groove 800 that is adapted to the sliding strips 500. The sliding groove 800 and the sliding strips 500 are adapted to each other. A head member 11 is installed at the end of the sliding strips 500 by bolts. Through the above structural design, it is convenient to assemble and maintain the sound insulation panel 5. Compared with the existing bolt fixing, it reduces the maintenance difficulty and improves the maintenance efficiency.

[0028] As one embodiment of this example, a connector 6 is provided on the outer wall of the sound insulation panel 5. The connector 6 is a hollow rectangular part, and a connecting hole 600 that is interconnected front and back is provided on the connector 6. A reinforcing member 7 with a reinforcing structure is provided inside the connector 6. The reinforcing member 7 has a through hole 700, and the through hole 700 is aligned with the connecting hole 600.

[0029] The connector 6 is bolted to the sound insulation plate 5, and the connecting hole 600 and the through hole 700 are slidably connected to the connecting assembly.

[0030] As one embodiment of this example, the connecting component: the bracket 2 is provided with a through hole 200, the plug 3 is slidably connected to the through hole 200, and a fixing nut 4 is threadedly connected to the end of the plug 3;

[0031] The plug 3 passes through the connecting hole 600 and is provided with a fixing seat 201 on the outer wall of the bracket 2. The plug 3 has a hole, and the hole and the fixing seat 201 are connected by bolts. The above structure is different from the existing stacked installation method. During the inspection, if one of the sound insulation panels 5 is abnormal, it can be quickly responded to and maintained separately without the need for frontal removal.

[0032] The working principle of this device is as follows: When using this device, the generated sound is initially collected through the holes on the noise reduction component 9, and then blocked again when passing through the sound reduction cotton board 10. Subsequently, it undergoes a third noise reduction when passing through the sound insulation cotton board 5, thus achieving multiple noise reductions and gradually reducing the volume of the noise.

[0033] When it is necessary to replace it, unscrew the connecting plug 3 and the fixing seat 201 bolts, and then pull the sound insulation plate 5 of the corresponding height outward. The connecting piece 6 and the reinforcing piece 7 slide on the plug 3 to complete the removal of the sound insulation plate 5 at the corresponding position. When it is necessary to maintain and replace the noise reduction component, first remove the end caps 11 at both ends, and then push the noise reduction plate 8 in one direction to make the slide groove 800 slide on the slide bar 500 to disassemble it. Then, remove and replace the corresponding sound reduction cotton plate 10 as needed, and put the new sound reduction cotton plate 10 back into the placement groove 801.

[0034] The electromechanical connections involved in this utility model are common practices used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments; they are common knowledge.

[0035] Components not described in detail in this article are existing technologies.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is 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 equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., 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 multi-layer composite low-frequency noise isolation bracket, comprising a base plate (1), on which brackets (2) are provided, and two sets of brackets (2) are connected by a set of sound insulation panels (5), characterized in that: The sound insulation panel (5) is connected to the bracket (2) by a connecting assembly, and a noise reduction assembly is detachably installed on the outer wall of the sound insulation panel (5); The noise reduction assembly also includes a noise reduction plate (8) and a noise reduction component (9). The noise reduction plate (8) is slidably connected to the outer wall of the sound insulation plate (5), and multiple noise reduction components (9) are provided on the noise reduction plate (8). The noise reduction component (9) has a triangular cross section and a hollow structure. A hole communicating with the interior is provided on the inclined surface of the noise reduction component (9).

2. The multi-layer composite low-frequency noise isolation bracket according to claim 1, characterized in that: The noise reduction plate (8) is provided with a placement groove (801), and a sound reduction cotton plate (10) is installed in the placement groove (801), and the noise reduction component (9) is installed on the placement groove (801).

3. The multi-layer composite low-frequency noise isolation bracket according to claim 1, characterized in that: The outer wall of the sound insulation plate (5) is provided with symmetrical upper and lower sliding strips (500). The sliding strip (500) has a T-shaped cross section. The end face of the noise reduction plate (8) is provided with a sliding groove (800) that is adapted to the sliding strip (500). The sliding groove (800) is adapted to the sliding strip (500). A head (11) is installed at the end of the sliding strip (500) by bolts.

4. The multi-layer composite low-frequency noise isolation bracket according to claim 1, characterized in that: A connector (6) is provided on the outer wall of the sound insulation board (5). The connector (6) is a hollow rectangular piece, and a connecting hole (600) is provided on the connector (6) that is interconnected from front to back. A reinforcing member (7) with a reinforcing structure is provided inside the connector (6). A through hole (700) is provided on the reinforcing member (7), and the through hole (700) is aligned with the connecting hole (600). The connector (6) is bolted to the sound insulation plate (5), and the connecting hole (600) and the through hole (700) are slidably connected to the connecting assembly.

5. A multi-layer composite low-frequency noise isolation bracket according to claim 4, characterized in that: The connecting assembly includes a plug (3) and a fixing nut (4). The bracket (2) has a through hole (200). The plug (3) is slidably connected to the through hole (200), and the fixing nut (4) is threaded to the end of the plug (3). The plug (3) passes through the connecting hole (600) and a fixing seat (201) is provided on the outer wall of the bracket (2). The plug (3) has a hole and the hole is connected to the fixing seat (201) by bolts.