Low-noise one-way valve
By introducing sound insulation and sound absorbing layers into the check valve, the noise is reduced and the handle is fixed with the limit slider, the problems of loud noise and mistouch of the check valve are solved, and the silence and safety are improved.
Patent Information
- Application Number
- CN202422222859.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-10
AI Technical Summary
Traditional check valves produce large noise in fluid control and the operating handle is prone to accidentally touching, affecting the safety of the equipment and the use environment.
A low-noise check valve is designed, using a fixing mechanism and a noise reduction mechanism, including a sound insulation layer, a sound absorbing layer and a fixing mechanism, which absorbs noise through a sound insulation plate and a sound absorbing cotton, and fixes the handle through a limit slider and a spring to prevent mistouching.
Effectively reduce the noise of the check valve, improve the quiet effect of the use environment, and prevent the handle from touching by mistake through the fixing mechanism, improving the safety of the equipment.
Smart Images
Figure CN223076417U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of check valves, in particular to a low-noise check valve. Background Technique
[0002] A check valve, also known as a non-return valve or a reflux valve, is a fluid control valve whose main function is to allow fluid to flow freely in a single direction while automatically preventing the reverse flow of the fluid. The design of this valve ensures the directionality of fluid flow, avoiding problems such as system chaos, equipment damage, or efficiency reduction caused by the reverse flow of the fluid.
[0003] At present, traditional check valves play a key role in fluid control, but they often generate relatively large noise when the fluid passes through, which not only affects the operating environment of the equipment but may also pose a health hazard to the operators. At the same time, the operating handle of the check valve has no fixing mechanism, resulting in the operating handle being easily accidentally touched and opened, reducing the safety of the check valve. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the above-mentioned disadvantages in the prior art and propose a low-noise check valve.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] Design a low-noise check valve, including a valve body, characterized in that: a fixing mechanism is installed on the valve body, a handle is installed on the valve body, a noise reduction mechanism is installed on the valve body, the noise reduction mechanism includes a mounting frame, the mounting frame is inserted into the bottom end of the valve body, a sound insulation layer is fixedly installed on the inner wall of the mounting frame, a first sound absorption layer is fixedly installed on the sound insulation layer, and a second sound absorption layer is fixedly installed on the first sound absorption layer.
[0007] Further, the sound insulation layer is made of a sound insulation board.
[0008] Further, the first sound absorption layer is made of sound absorption cotton, and the second sound absorption layer is made of a sound absorption board.
[0009] Further, through holes are opened on the side surface of the mounting frame, the shape of the through holes is a cylindrical hole, the number of the through holes is two, bolts are inserted into the through holes, and the number of the bolts is two.
[0010] Further, threaded holes are opened on the surface of the valve body, and the number of the threaded holes is two.
[0011] Further, the fixing mechanism includes a box body, the box body is fixedly installed on the valve body, the shape of the box body is a square box, a limiting slider is slidably arranged on the inner wall of the box body, and the shape of the limiting slider is a square block.
[0012] Further, a plug rod is fixedly installed on one side of the limit slider. One end of the plug rod penetrates through the box body. A pull rod is fixedly installed on the other side of the limit slider. One end of the pull rod penetrates through the box body. A spring is fixedly installed on the inner wall of the box body. One end of the spring is fixedly connected to the limit slider. A slot is formed on the surface of the handle, and the shape of the slot is a cylindrical groove.
[0013] The beneficial effects of a low-noise one-way valve proposed by the present utility model are as follows: By providing a noise reduction mechanism, the purpose of reducing the noise of the one-way valve is achieved, which is beneficial to the use of the one-way valve. By providing a fixing mechanism, it is convenient to fix the operation handle on the valve body, preventing the handle from being accidentally touched and causing the valve body to open, which is beneficial to improving the safety of the one-way valve. Description of the Drawings
[0014] Figure 1 is the overall structural schematic diagram of the present utility model;
[0015] Figure 2 is the schematic diagram of the valve body of the present utility model;
[0016] Figure 3 is the schematic diagram of the mounting bracket of the present utility model;
[0017] Figure 4 is the sectional view of the box body of the present utility model.
[0018] In the figure: 1, valve body; 21, mounting bracket; 22, bolt; 23, threaded hole; 24, through hole; 25, sound insulation layer; 26, first sound absorption layer; 27, second sound absorption layer; 31, slot; 32, box body; 33, limit slider; 34, spring; 35, pull rod; 36, plug rod; 4, handle. Detailed Embodiments
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0020] Refer to Figures 1-4A low-noise one-way valve comprises a valve body 1, characterized in that: the valve body 1 is the one-way valve body, a fixing mechanism is installed on the valve body 1, and the fixing mechanism is provided to facilitate fixing the operating handle 4 on the valve body 1 to prevent the handle 4 from being accidentally touched, resulting in the valve body 1 being opened, a handle 4 is installed on the valve body 1, and the handle 4 is used to operate the valve body 1, and a noise reduction mechanism is installed on the valve body 1, and the noise reduction mechanism is provided to reduce the noise of the one-way valve, which is beneficial to the use of the one-way valve, and the noise reduction mechanism comprises a mounting frame 21, and the mounting frame 21 is plugged into the bottom end of the valve body 1, and the shape of the mounting frame 21 is The shape is U-shaped, and a mounting frame 21 is provided for receiving the installation of a sound insulation layer 25. The inner wall of the mounting frame 21 is fixedly installed with the sound insulation layer 25. The sound insulation layer 25 is provided to achieve the purpose of sound insulation, which is beneficial to reducing the noise generated by the one-way valve. A first sound absorbing layer 26 is fixedly installed on the sound insulation layer 25. The first sound absorbing layer 26 is provided to absorb the noise generated by the one-way valve, which is beneficial to the use of the one-way valve. A second sound absorbing layer 27 is fixedly installed on the first sound absorbing layer 26. The second sound absorbing layer 27 is provided to absorb noise, which is beneficial to the use of the one-way valve.
[0021] In detail, the sound insulation layer 25 is made of a sound insulation board, which usually has a large average sound insulation value and can significantly reduce the propagation of noise. By providing the sound insulation layer 25, the purpose of sound insulation is achieved, which is beneficial to reduce the noise generated by the one-way valve.
[0022] Furthermore, the first sound-absorbing layer 26 is made of sound-absorbing cotton, and the sound-absorbing cotton adopts a multi-porous or multi-fiber structure design. These structures can effectively absorb and attenuate sound wave energy, reduce indoor echo and noise, and improve sound clarity. Its sound absorption performance is stable, and the sound-absorbing cotton material is durable and not easy to rot. It can resist corrosion from various microorganisms, fungi, acids, salts and hydrocarbons. By providing a first sound-absorbing layer 26, the purpose of absorbing the noise generated by the one-way valve is achieved, which is beneficial to the use of the one-way valve. The second sound-absorbing layer 27 is made of a sound-absorbing board. The interior of the sound-absorbing board is usually designed with tiny interconnected pores. Sound waves can penetrate deep into the material and rub against the material, thereby converting sound energy into heat energy, effectively reducing echoes and reverberations. The sound-absorbing board has the characteristics of anti-aging, waterproof, moisture-proof, mildew-proof, anti-corrosion, anti-insect, anti-termite, and effective flame retardancy. It can be used for a long time in outdoor environments with large climate changes without deterioration, brittleness, or performance degradation. By providing a second sound-absorbing layer 27, the purpose of absorbing noise is achieved, which is beneficial to the use of the one-way valve.
[0023] Furthermore, through holes 24 are formed on the side surface of the mounting bracket 21. The through holes 24 are provided for receiving the insertion of the bolts 22. The through holes 24 are in the shape of cylindrical holes, and the number of the through holes 24 is two. Bolts 22 are inserted into the through holes 24, and the number of the bolts 22 is two. By providing the bolts 22, they are used to be threadedly connected into the threaded holes 23, so as to achieve the purpose of mounting the mounting bracket 21 onto the valve body 1.
[0024] More specifically, threaded holes 23 are formed on the surface of the valve body 1. The threaded holes 23 are provided for receiving the threaded connection of the bolts 22, and the number of the threaded holes 23 is two.
[0025] Generally speaking, the fixing mechanism includes a box body 32 which is fixedly mounted on the valve body 1. The box body 32 is in the shape of a square box. The box body 32 is provided for receiving the sliding of the limiting slider 33. A limiting slider 33 is slidably arranged on the inner wall of the box body 32. The limiting slider 33 is in the shape of a square block. The limiting slider 33 is provided for receiving the insertion of the insertion rod 36.
[0026] Finally, an insertion rod 36 is fixedly mounted on one side of the limiting slider 33. One end of the insertion rod 36 penetrates through the box body 32. The insertion rod 36 is used to be inserted into the slot 31, so as to achieve the purpose of fixing the handle 4 and prevent the handle 4 from being accidentally touched to open the valve body 1. A pull rod 35 is fixedly mounted on the other side of the limiting slider 33. One end of the pull rod 35 penetrates through the box body 32. The cross-sectional shape of the pull rod 35 is T-shaped. The pull rod 35 is provided for pulling the limiting slider 33 to move. A spring 34 is fixedly mounted on the inner wall of the box body 32. One end of the spring 34 is fixedly connected to the limiting slider 33. The spring 34 is provided for applying a force to the limiting slider 33. A slot 31 is formed on the surface of the handle 4. The slot 31 is in the shape of a cylindrical groove. The slot 31 is provided for receiving the insertion of one end of the insertion rod 36.
[0027] Working mode; during operation, when the valve body 1 is working, a sound insulation layer 25 is provided. The sound insulation layer 25 is made of sound insulation boards, which usually have a large average sound insulation amount and can significantly reduce the propagation of noise, facilitating the reduction of the use of check valves. At the same time, a first sound absorption layer 26 is provided. The first sound absorption layer 26 is made of sound absorption cotton, and the sound absorption cotton adopts a multi-porous or multi-fiber structure design. These structures can effectively absorb and attenuate the sound wave energy, reduce indoor echo and noise, and improve the sound quality clarity. Its sound absorption performance is stable, and the sound absorption cotton material is strong and durable, not easily decayed, and can resist the corrosion of various microorganisms, fungi, acids, salts, and hydrocarbons. By providing the first sound absorption layer 26, the purpose of absorbing the noise generated by the check valve is achieved, facilitating the use of the check valve. The second sound absorption layer 27 is made of sound absorption boards, and the interior of the sound absorption boards is usually designed with tiny connected pores. Sound waves can penetrate deep into the material and interact with the material through friction, thereby converting sound energy into heat energy, effectively reducing echo and reverberation. Moreover, the sound absorption boards have characteristics such as anti-aging, waterproof, moisture-proof, mildew-proof, anti-corrosion, insect-proof, termite-proof, and effective flame retardancy, and can be used outdoors with large climate changes for a long time without deterioration, embrittlement, or performance decline. By providing the second sound absorption layer 27, the purpose of absorbing noise is achieved, facilitating the use of the check valve.
[0028] When the valve body 1 is not in use, the insertion rod 36 is inserted into the slot 31 to fix the handle 4 and prevent the handle 4 from being accidentally touched to cause the opening of the valve body 1, which is beneficial to improving the safety of the check valve.
[0029] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.
Claims
1. A low-noise one-way valve, comprising a valve body (1), characterized in that: A fixing mechanism is installed on the valve body (1), a handle (4) is installed on the valve body (1), and a noise reduction mechanism is installed on the valve body (1). The noise reduction mechanism includes a mounting frame (21), and the mounting frame (21) is inserted into the bottom end of the valve body (1). A sound insulation layer (25) is fixedly installed on the inner wall of the mounting frame (21), a first sound absorption layer (26) is fixedly installed on the sound insulation layer (25), and a second sound absorption layer (27) is fixedly installed on the first sound absorption layer (26).
2. The one-way valve with low noise according to claim 1, characterized in that: The sound insulation layer (25) is made of a sound insulation board.
3. The one-way valve with low noise according to claim 1, characterized in that: The first sound absorption layer (26) is made of sound absorption cotton, and the second sound absorption layer (27) is made of a sound absorption board.
4. A low-noise one-way valve according to claim 1, characterized in that: Through holes (24) are formed in the side surface of the mounting frame (21). The through holes (24) are in the shape of cylindrical holes, the number of the through holes (24) is two, bolts (22) are inserted into the through holes (24), and the number of the bolts (22) is two.
5. A low-noise one-way valve according to claim 1, characterized in that: Threaded holes (23) are formed in the surface of the valve body (1), and the number of the threaded holes (23) is two.
6. A low-noise one-way valve according to claim 1, wherein: The fixing mechanism includes a box body (32). The box body (32) is fixedly installed on the valve body (1). The box body (32) is in the shape of a square box. A limiting slider (33) is slidably arranged on the inner wall of the box body (32), and the limiting slider (33) is in the shape of a square block.
7. The one-way valve with low noise according to claim 6, characterized in that: A plug rod (36) is fixedly installed on one side of the limiting slider (33). One end of the plug rod (36) penetrates through the box body (32). A pull rod (35) is fixedly installed on the other side of the limiting slider (33). One end of the pull rod (35) penetrates through the box body (32). A spring (34) is fixedly installed on the inner wall of the box body (32). One end of the spring (34) is fixedly connected to the limiting slider (33). A slot (31) is formed in the surface of the handle (4), and the slot (31) is in the shape of a cylindrical groove.