Valve sound absorption and insulation device easy to disassemble
By designing an easily detachable valve sound-absorbing and insulating device, and adopting a combined structure and modular production, the problems of inconvenient installation and difficult disassembly of existing devices have been solved, achieving the effects of noise reduction and convenient maintenance.
Patent Information
- Application Number
- CN202520457139.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Existing valve sound absorption and insulation devices are inconvenient to install and disassemble, affecting normal pipeline maintenance, and are difficult to meet the requirements for efficient noise reduction.
An easily detachable valve sound absorption and insulation device was designed. It adopts a combined sound absorption and insulation body and top cover, which are connected by buckles. Combined with sound-absorbing cotton and sound insulation felt, it realizes modular production and rapid installation, and is easy to disassemble.
It effectively reduces valve noise, facilitates disassembly and maintenance, is easy to construct, has a short installation time, and is suitable for various pipeline layouts.
Smart Images

Figure CN223825722U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sound absorption and noise reduction technology, and in particular to an easily detachable valve sound absorption and noise reduction device. Background Technology
[0002] In the process of industrialization, pipelines are one of the most common pieces of equipment, such as oil pipelines, water pipelines, and air supply pipelines. When a medium flows at high speed in a pipeline, it generates considerable noise, causing noise pollution to the external environment. This not only affects people's normal lives but can also endanger their health in severe cases. To reduce the impact of noise, it is necessary not only to soundproof the pipelines but also to soundproof the valves at the pipeline connections.
[0003] The applicant previously filed a patent with publication number "CN201628013U" entitled "Silencing Device for Gas Pipeline Valves," which achieved sound absorption and noise reduction for valves. However, during use, this device mainly relies on on-site assembly by workers, which is inconvenient to install and difficult to disassemble after installation, affecting the normal maintenance of the pipeline. Utility Model Content
[0004] The purpose of this utility model is to provide an easy-to-disassemble valve sound absorption and insulation device, which can not only reduce the noise during valve operation, but also facilitate disassembly and does not affect the normal maintenance of the valve.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A detachable valve sound-absorbing and insulating device includes a sound-absorbing and insulating body covering the outside of the valve, a sound-absorbing and insulating top cover on the upper part of the sound-absorbing and insulating body, a shaft hole for the valve shaft to extend out on the sound-absorbing and insulating top cover, and a pipe hole for the pipe to extend out on at least one side of the sound-absorbing and insulating body.
[0007] Preferably, the sound-absorbing and sound-insulating top cover includes a first cover body and a second cover body arranged symmetrically, and a first clearance hole that can be combined into a shaft hole is provided on the contact surface of the first cover body and the second cover body.
[0008] Preferably, the first cover and the second cover are connected by a first buckle.
[0009] Preferably, the first cover and the second cover have the same structure, and the first cover is provided with a first panel, a first sound insulation felt and a first sound absorption cotton from the outside to the inside.
[0010] Preferably, the sound-absorbing and sound-insulating body includes a first body and a second body arranged symmetrically, and a second clearance hole that can be combined to form a pipe hole is provided on the contact surface of the first body and the second body.
[0011] Preferably, the first body and the second body are connected by a second fastener;
[0012] The first main body and the second main body have the same structure. The first main body is provided with a second panel, a second sound insulation felt and a second sound absorption cotton from the outside to the inside.
[0013] Preferably, the first panel and the second panel can be made of any one of aluminum plate, galvanized steel plate or stainless steel plate, with a thickness between 0.8-2.0 mm.
[0014] Preferably, the thickness of the first sound insulation felt and the second sound insulation felt is between 1 and 5.0 mm.
[0015] Preferably, the first and second sound-absorbing cotton are either Class A fire-resistant fiberglass wool or rock wool, with a density of 30-80 kg / m³. 3 The thickness is between 25-150mm.
[0016] Preferably, both the first and second sound-absorbing cotton are wrapped with fiberglass cloth on their outer sides, the fiberglass cloth having a surface density of 50-200 g / m³. 2 .
[0017] The beneficial effects of this utility model are as follows:
[0018] 1. The combined sound-absorbing and sound-insulating body and sound-absorbing and sound-insulating top cover achieve sound absorption and noise reduction for valves, optimizing the working environment; at the same time, the sound-absorbing and sound-insulating body and sound-absorbing and sound-insulating top cover can be freely disassembled and assembled without affecting the normal maintenance of valves.
[0019] 2. The sound-absorbing and sound-insulating main body and the sound-absorbing and sound-insulating top cover can be modularly produced in the factory. Each part is prefabricated according to the required size and then delivered to the site for assembly. The construction is simple and the installation time is short.
[0020] 3. The sound-absorbing cotton, sound-insulating felt, and panel of the first and second sound-absorbing and sound-insulating parts can be bonded together with adhesive and are not fixed to the valve. When the valve needs maintenance, they can be easily removed. Attached Figure Description
[0021] Figure 1 This is the assembly front view of this utility model;
[0022] Figure 2 This is a top view of the assembly of this utility model;
[0023] Figure 3 This is the left view of the assembly of this utility model;
[0024] Figure 4 This is a front view of the first cover and the second cover in this utility model;
[0025] Figure 5 for Figure 1 Sectional view A-A;
[0026] Figure 6 for Figure 5 A schematic diagram of the first and second main bodies.
[0027] The accompanying drawings are for illustrative purposes only and should not be construed as limiting the scope of this patent. To better illustrate this embodiment, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Detailed Implementation
[0028] The present invention will now be further described with reference to the accompanying drawings. Example
[0029] like Figure 1 As shown, an easily detachable valve sound-absorbing and insulating device is provided. A valve shaft 41 for adjusting its opening and closing is provided on the upper part of the valve 40. Pipes 20 are installed on both sides of the valve 40. The device includes a sound-absorbing and insulating body 60 covering the outside of the valve 40. A sound-absorbing and insulating top cover 50 is provided on the upper part of the sound-absorbing and insulating body 60. A shaft hole 54 for the valve shaft 41 to extend out is provided on the sound-absorbing and insulating top cover 50. Pipe holes 64 for the pipes 30 to extend out are provided on both sides of the sound-absorbing and insulating body 60.
[0030] In some embodiments, if the valve 40 is connected to three or four pipes, multiple pipe holes 64 can be opened at the corresponding positions of the sound-absorbing and insulating body 60 without affecting the normal layout of the pipes.
[0031] like Figure 2 and Figure 4 As shown, the sound-absorbing and sound-insulating top cover 50 includes a first cover body 51 and a second cover body 52 arranged symmetrically. The contact surfaces of the first cover body 51 and the second cover body 52 are each provided with a first clearance hole 51 that can be combined to form a shaft hole 54.
[0032] The first cover 51 and the second cover 52 are connected by the first buckle 53, which can be easily connected or disconnected.
[0033] In this embodiment, the first cover 51 and the second cover 52 are connected left and right. In some embodiments, the first cover 51 and the second cover 52 may also be connected front and back, and both should be included within the protection scope of this application.
[0034] like Figure 4 As shown, the first cover 51 and the second cover 52 have the same structure. The first cover 51 is provided with a first panel 55, a first sound insulation felt 56 and a first sound absorption cotton 57 from the outside to the inside.
[0035] like Figure 3 , Figure 5 and Figure 6 As shown, the sound-absorbing and sound-insulating body 60 includes a first body 61 and a second body 62 arranged symmetrically. The contact surfaces of the first body 61 and the second body 62 are provided with a second clearance hole that can be combined to form a pipe hole 64.
[0036] The first body 61 and the second body 62 are connected by the second buckle 63; they can be easily connected or disconnected.
[0037] The first main body 61 and the second main body 62 have the same structure. The first main body 61 is provided with a second panel 65, a second sound insulation felt 66 and a second sound absorption cotton 67 from the outside to the inside.
[0038] The first panel 55 and the second panel 65 can be made of any of aluminum plate, galvanized steel plate or stainless steel plate, with a thickness between 0.8-2.0mm.
[0039] The thickness of the first sound insulation felt 56 and the second sound insulation felt 66 is between 1 and 5.0 mm, which can increase the sound insulation and at the same time play a role in fire prevention and flame retardancy.
[0040] The first sound-absorbing cotton 57 and the second sound-absorbing cotton 67 are either Class A fire-resistant fiberglass wool or rock wool, with a density of 30-80 kg / m³. 3 The thickness is between 25-150mm.
[0041] Both the first sound-absorbing cotton 57 and the second sound-absorbing cotton 67 are wrapped with fiberglass cloth on their outer sides, with a surface density of 50-200 g / m³. 2 .
[0042] During production, components can be prefabricated in the workshop according to the specific dimensions of the valve. After being transported to the site, the first cover 51 and the second cover 52 can be assembled into a sound-absorbing and insulating top cover 50, and the first body 61 and the second body 62 can be assembled into a sound-absorbing and insulating body 60. Finally, the first panel 55 can be snapped onto the outside of the second panel 65 to complete the installation. When the valve 40 requires maintenance, the first panel 55 can be removed from the second panel 65 first, and then the sound-absorbing and insulating top cover 50 and the sound-absorbing and insulating body 60 can be disassembled separately, making disassembly and assembly convenient.
[0043] In this embodiment, the pipe hole 64 is a square hole. When in use, it can also be used in combination with the applicant's "Easy-to-Disassemble Pipe Sound Absorption and Insulation Device" filed on the same day. The sound absorption and insulation device on the outside of the pipe can be inserted into the pipe hole 64 to achieve all-round sealing of the pipe and valve, and further optimize the sound absorption, insulation and noise reduction effect.
[0044] The above embodiments are not intended to limit the shape, material, structure, etc. of this utility model in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of this utility model.
[0045] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only used to facilitate the description of this utility model and to simplify the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.
[0046] If the terms "first" or "second" are used in this document to define the components, those skilled in the art should know that the use of "first" or "second" is merely for the convenience of describing this utility model and simplifying the description, and unless otherwise stated, the above terms have no special meaning.
[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features. However, these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A detachable valve sound-absorbing and insulating device, characterized in that: The device includes a sound-absorbing and insulating body covering the outside of the valve, a sound-absorbing and insulating top cover on the upper part of the sound-absorbing and insulating body, a shaft hole for the valve shaft to extend from the sound-absorbing and insulating top cover, and a pipe hole for the pipe to extend from at least one side of the sound-absorbing and insulating body.
2. The easily detachable valve sound-absorbing and insulating device according to claim 1, characterized in that, The sound-absorbing and sound-insulating top cover includes a first cover body and a second cover body arranged symmetrically. The contact surfaces of the first cover body and the second cover body are each provided with a first clearance hole that can be combined to form a shaft hole.
3. The easily detachable valve sound-absorbing and insulating device according to claim 2, characterized in that, The first cover and the second cover are connected by a first buckle.
4. The easily detachable valve sound-absorbing and insulating device according to claim 2, characterized in that, The first cover and the second cover have the same structure. The first cover is provided with a first panel, a first sound insulation felt and a first sound absorption cotton from the outside to the inside.
5. The easily detachable valve sound-absorbing and insulating device according to claim 4, characterized in that, The sound-absorbing and sound-insulating body includes a first body and a second body arranged symmetrically. The contact surfaces of the first body and the second body are each provided with a second clearance hole that can be combined to form a pipe hole.
6. The easily detachable valve sound-absorbing and insulating device according to claim 5, characterized in that, The first body and the second body are connected by a second buckle; The first main body and the second main body have the same structure. The first main body is provided with a second panel, a second sound insulation felt and a second sound absorption cotton from the outside to the inside.
7. The easily detachable valve sound-absorbing and insulating device according to claim 6, characterized in that, The first and second panels can be made of any of aluminum, galvanized steel or stainless steel, with a thickness between 0.8 and 2.0 mm.
8. The easily detachable valve sound-absorbing and insulating device according to claim 6, characterized in that, The thickness of the first and second sound insulation felts is between 1 and 5.0 mm.
9. The easily detachable valve sound-absorbing and insulating device according to claim 6, characterized in that, The first and second sound-absorbing cotton are either Class A fire-resistant fiberglass wool or rock wool, with a density of 30-80 kg / m³. 3 The thickness is between 25-150mm.
10. A detachable valve sound-absorbing and insulating device according to claim 6, characterized in that, Both the first and second sound-absorbing cotton are wrapped with fiberglass cloth on their outer sides, and the fiberglass cloth has a surface density of 50-200 g / m³. 2 .
Citation Information
Patent Citations
Valve muffler device of gas pipelines
CN201628013U