Double-piston pressure relief prevention water hammer absorbing device with noise reduction function

Abstract

The utility model belongs to the field of water hammer absorbers, and particularly relates to a double-piston pressure relief prevention water hammer absorber with a noise reduction function, which comprises a mounting plate. Through the structural design of the fixing assembly, the connecting plate and the mounting plate can be fixed through cooperation of a fixing rod, a first nut and a second nut, then the function of stably fixing the water hammer absorber body and the connecting pipeline is achieved, meanwhile, the water hammer absorber is suitable for pipelines of different sizes, a damping spring is arranged between a limiting plate and a guide plate, and the damping effect is good. According to the water hammer absorbing device, the problem of shock absorption during fixing is solved, the stability and practicability of the water hammer absorbing device body are improved, through the structural design of the protection assembly, a protection shell is located on the outer surfaces of the water hammer absorbing device body and the connecting pipeline, the protection function is further achieved, and a sound insulation pad is arranged in the protection shell, so that the sound insulation effect is improved. Therefore, the problem that noise is generated when the water hammer absorber body and the connecting pipeline work is solved, the safety is improved, and the surrounding environment is improved.

Description

Technical Field

[0001] The utility model relates to the field of water hammer absorbers, in particular to a double-piston pressure-relief water hammer absorber with a noise reduction function. Background Art

[0002] Water hammer absorber generally refers to building water supply water hammer absorber, which is a hydraulic protection device that buffers water hammer through a sealed air pressure chamber and can ensure that the building water supply pipes and facilities are protected from water hammer damage. The hydraulic control valve is a valve controlled by water pressure. The hydraulic control valve consists of a main valve and its attached conduit, pilot valve, needle valve, ball valve and pressure gauge. At present, the double-piston anti-pressure relief water hammer absorber with noise reduction function has been widely used in the market.

[0003] Prior art, such as: CN216715387U a new type of water hammer absorber, by turning the knob to rotate the bidirectional screw, so that the two threaded sleeves drive the arc clamping plate to move, so that the arc clamping plate fits with the pipeline, completing the work of limiting the position of the water hammer absorber, avoiding the shaking of the water hammer absorber due to the large water hammer effect, thereby loosening the flange connection and causing it to be damaged.

[0004] However, the device still has certain shortcomings when in use. Since the two arc-shaped clamps have a certain curvature, the size of the clamped pipe is limited. The device cannot reduce shock when clamping. When the large size of the pipe is larger than the curvature of the arc-shaped clamp, clamping cannot be achieved. When the size of the pipe is smaller than the curvature of the arc-shaped clamp, the pipe is unstable during the clamping process, which reduces its practicality. Since the water hammer absorber will generate noise when working or in the pipe, it is necessary to reduce the noise to improve the surrounding environment.

[0005] Therefore, in order to solve the above problems, a double-piston anti-pressure water hammer absorber with noise reduction function is proposed. Utility Model Content

[0006] In order to make up for the shortcomings of the prior art, since the two arc-shaped clamping plates have a certain curvature and the size of the clamped pipe is limited, the device cannot perform shock absorption when clamping. When the large size of the pipe is larger than the curvature of the arc-shaped clamping plate, clamping cannot be achieved. When the size of the pipe is smaller than the curvature of the arc-shaped clamping plate, the pipe is unstable during the clamping process, thereby reducing its practicality. Since the water hammer absorber will generate noise when working or in the pipe, it is necessary to reduce the noise to improve the surrounding environment. The utility model proposes a double-piston anti-pressure relief water hammer absorber with noise reduction function.

[0007] The technical solution adopted by the utility model to solve the technical problem is: a double-piston anti-pressure relief water hammer absorber with noise reduction function, comprising a mounting plate, a fixing component and a protective component are respectively arranged on the top of the mounting plate, and the fixing component is located inside the protective component;

[0008] The fixing assembly comprises a connecting pipe at the top of the mounting plate, a connecting plate is arranged on the top of the connecting pipe, the connecting plate is opposite to the mounting plate, the bottom of the connecting plate and the top of the mounting plate are respectively fixedly connected with guide plates, the top and bottom of the two guide plates are respectively fixedly connected with shock absorbing springs, damping rods are respectively arranged in the two shock absorbing springs, the ends of the two shock absorbing springs are respectively fixedly connected with limit plates, the two limit plates are respectively opposite to the connecting pipe, a fixing rod is arranged on the top of the connecting plate, the bottom of the fixing rod passes through the connecting plate and extends to the bottom of the mounting plate, and the fixing rod is respectively slidably connected with the connecting plate and the mounting plate;

[0009] The protective assembly includes a protective shell on the top of the mounting plate, the connecting pipe is located in the protective shell, a sound insulation pad is fixedly connected to the inner surface wall of the protective shell, a connecting slot is opened on the top of the mounting plate, and the bottom of the protective shell extends into the connecting slot and is connected to the connecting slot.

[0010] Preferably, a water hammer absorber body is fixedly connected to the top of the connecting pipe, and the water hammer absorber body passes through the connecting plate and is slidably connected to the connecting plate.

[0011] Preferably, two ends of the fixing rod are respectively threadedly connected with a first nut and a second nut, the first nut abuts against the mounting plate, and the second nut abuts against the connecting plate.

[0012] Preferably, the outer surfaces of the two limiting plates are respectively fixedly connected with anti-skid pads, and the material of the two anti-skid pads is rubber.

[0013] Preferably, an observation hole is opened on the side of the protective shell, and a transparent glass is fixedly connected in the observation hole.

[0014] Preferably, a connection hole is opened on the side of the protective shell, and the connection hole is opposite to the position of the connecting pipe.

[0015] Preferably, four fixing rods are provided, and the four fixing rods are respectively located at the top corners of the connecting plate.

[0016] Preferably, the outer surface of the protective shell is coated with anti-corrosion paint, and the mounting plate is made of stainless steel.

[0017] The utility model is beneficial in that:

[0018] 1. The utility model provides a structural design of a fixing assembly. Due to the cooperation of the fixing rod, the first nut and the second nut, the connecting plate and the mounting plate can be fixed, thereby realizing the function of stably fixing the water hammer absorber body and the connecting pipe. At the same time, it is suitable for pipes of different sizes. A shock-absorbing spring is provided between the limit plate and the guide plate, which solves the problem of being able to absorb shock while fixing, and improves the stability and practicality of the water hammer absorber body.

[0019] 2. The utility model has a structural design of a protective component. Since the protective shell is located on the outer surface of the water hammer absorber body and the connecting pipe, the protective function is achieved. A sound insulation pad is arranged in the protective shell, which solves the problem of noise generated by the water hammer absorber body and the connecting pipe during operation, improves safety and improves the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the top structure of the mounting plate of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the fixing assembly of the utility model;

[0024] Figure 4 This is a schematic diagram of the explosion structure of the protection component of the utility model;

[0025] Figure 5 It is a schematic diagram of the top structure of the guide plate of the utility model.

[0026] In the figure: 1. mounting plate; 2. fixing assembly; 201. connecting pipe; 202. connecting plate; 203. fixing rod; 204. water hammer absorber body; 205. guide plate; 206. shock-absorbing spring; 207. limit plate; 208. anti-slip pad; 209. second nut; 3. protection assembly; 301. protection shell; 302. connecting hole; 303. connecting slot; 304. sound insulation pad; 305. observation hole; 4. transparent glass; 5. first nut. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] The following is combined with Figure 1-Figure 5 To further explain this application in detail,

[0029] The present application discloses a double piston anti-pressure water hammer absorber with noise reduction function. Figure 1 and Figure 5 A double piston anti-pressure water hammer absorber with noise reduction function, comprising a mounting plate 1, a fixing component 2 and a protection component 3 are respectively arranged on the top of the mounting plate 1, and the fixing component 2 is located in the protection component 3;

[0030] Reference Figure 1 , Figure 2 , Figure 3 and Figure 5 The fixing assembly 2 includes a connecting pipe 201 at the top of the mounting plate 1, a connecting plate 202 is arranged on the top of the connecting pipe 201, the connecting plate 202 is opposite to the mounting plate 1, the bottom of the connecting plate 202 and the top of the mounting plate 1 are respectively fixedly connected with guide plates 205, the top and bottom of the two guide plates 205 are respectively fixedly connected with shock absorbing springs 206, the two shock absorbing springs 206 are respectively provided with damping rods, the ends of the two shock absorbing springs 206 are respectively fixedly connected with limit plates 207, and the two limit plates 207 are respectively connected to the connecting pipe The connection plate 201 is relatively located, a fixing rod 203 is arranged on the top of the connection plate 202, the bottom of the fixing rod 203 penetrates the connection plate 202 and extends to the bottom of the mounting plate 1, the fixing rod 203 is slidably connected with the connection plate 202 and the mounting plate 1 respectively, and the connection plate 202 and the mounting plate 1 are fixed by the cooperation of the fixing rod 203, the first nut 5 and the second nut 209, so that the water hammer absorber body 204 and the connecting pipe 201 can be more stable during operation, and at the same time, when they are limited and fixed, they also have a shock absorbing function;

[0031] The top of the connecting pipe 201 is fixedly connected with a water hammer absorber body 204, which penetrates the connecting plate 202 and is slidably connected to the connecting plate 202. The connecting plate 202 limits the water hammer absorber body 204, making it more stable during operation.

[0032] The two ends of the fixing rod 203 are respectively threadedly connected with a first nut 5 and a second nut 209, the first nut 5 abuts against the mounting plate 1, and the second nut 209 abuts against the connecting plate 202. The cooperation between the fixing rod 203 and the first nut 5 and the second nut 209 makes the connection between the connecting plate 202 and the mounting plate 1 more stable;

[0033] The outer surfaces of the two limiting plates 207 are respectively fixedly connected with anti-skid pads 208, and the material of the two anti-skid pads 208 is rubber. When the limiting plates 207 are limited by the anti-skid pads 208, the position should not be offset;

[0034] There are four fixing rods 203, which are respectively located at the top corners of the connecting plate 202, and the four fixing rods 203 are respectively located at the corners, which improves the stability of the device;

[0035] Reference Figure 1 , Figure 2 and Figure 4 The protection component 3 includes a protection shell 301 on the top of the mounting plate 1, the connecting pipe 201 is located in the protection shell 301, and a sound insulation pad 304 is fixedly connected to the inner surface wall of the protection shell 301. A connecting card slot 303 is opened on the top of the mounting plate 1, and the bottom of the protection shell 301 extends into the connecting card slot 303 and is connected to the connecting card slot 303. A sound insulation pad 304 is arranged in the protection shell 301, thereby solving the problem of noise generated by the water hammer absorber body 204 and the connecting pipe 201 during operation, improving safety and improving the surrounding environment;

[0036] An observation hole 305 is provided on the side of the protective shell 301, and a transparent glass 4 is fixedly connected in the observation hole 305, so that the staff can observe through the transparent glass 4;

[0037] A connection hole 302 is provided on the side of the protective shell 301. The connection hole 302 is opposite to the connection pipe 201, and other pipes can be connected through the connection hole 302.

[0038] The outer surface of the protective shell 301 is coated with anti-corrosion paint, and the material of the mounting plate 1 is stainless steel. The anti-corrosion paint increases the service life of the protective shell 301;

[0039] Working principle: When using the device, first check whether the device is used normally, connect the required pipe to the connecting pipe 201 through the connecting hole 302, and fix the connecting plate 202 and the mounting plate 1 through the cooperation of the fixing rod 203, the first nut 5 and the second nut 209. At the same time, the first nut 5 abuts against the mounting plate 1, and the second nut 209 abuts against the connecting plate 202, so that the water hammer absorber body 204 and the connecting pipe 201 can be more stable during operation. Since a shock-absorbing spring 206 is provided between the guide plate 205 and the limiting plate 207, it has a shock-absorbing function when it is limited and fixed. At the same time, an anti-slip pad 208 is arranged on the outer surface of the limiting plate 207, which improves the stability of the limiting plate 207 when limiting. Since a protective shell 301 is arranged on the outer surface of the water hammer absorber body 204 and the connecting pipe 201, the protection function is realized. A sound insulation pad 304 is arranged in the protective shell 301, which solves the problem of noise generated by the water hammer absorber body 204 and the connecting pipe 201 during operation, improves safety and improves the surrounding environment. At the same time, the protective shell 301 is clamped with the mounting plate 1, which is convenient for the staff to disassemble, and the staff can observe the inside of the protective shell 301 through the transparent glass 4.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A double-piston anti-pressure water hammer absorber with noise reduction function, comprising a mounting plate (1); characterized in that: A fixing component (2) and a protection component (3) are respectively arranged on the top of the mounting plate (1), and the fixing component (2) is located inside the protection component (3); The fixing assembly (2) comprises a connecting pipe (201) at the top of the mounting plate (1); a connecting plate (202) is arranged at the top of the connecting pipe (201); the connecting plate (202) is positioned opposite to the mounting plate (1); the bottom of the connecting plate (202) and the top of the mounting plate (1) are respectively fixedly connected with guide plates (205); the top and bottom of the two guide plates (205) are respectively fixedly connected with shock absorbing springs (206); damping rods are respectively arranged inside the two shock absorbing springs (206); the ends of the two shock absorbing springs (206) are respectively fixedly connected with limit plates (207); the two limit plates (207) are respectively positioned opposite to the connecting pipe (201); a fixing rod (203) is arranged at the top of the connecting plate (202); the bottom of the fixing rod (203) passes through the connecting plate (202) and extends to the bottom of the mounting plate (1); the fixing rod (203) is respectively slidably connected to the connecting plate (202) and the mounting plate (1); The protective assembly (3) comprises a protective shell (301) on the top of the mounting plate (1), the connecting pipe (201) is located in the protective shell (301), a sound insulation pad (304) is fixedly connected to the inner surface wall of the protective shell (301), a connecting slot (303) is provided on the top of the mounting plate (1), and the bottom of the protective shell (301) extends into the connecting slot (303) and is connected to the connecting slot (303).

2. A double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: A water hammer absorber body (204) is fixedly connected to the top of the connecting pipe (201); the water hammer absorber body (204) penetrates the connecting plate (202) and is slidably connected to the connecting plate (202).

3. The double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: The two ends of the fixing rod (203) are respectively threadedly connected with a first nut (5) and a second nut (209); the first nut (5) abuts against the mounting plate (1), and the second nut (209) abuts against the connecting plate (202).

4. The double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: The outer surfaces of the two limiting plates (207) are respectively fixedly connected with anti-skid pads (208), and the material of the two anti-skid pads (208) is rubber.

5. The double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: An observation hole (305) is provided on the side of the protective shell (301), and a transparent glass (4) is fixedly connected inside the observation hole (305).

6. The double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: A connection hole (302) is provided on the side of the protective shell (301), and the connection hole (302) is located opposite to the connection pipe (201).

7. The double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: Four fixing rods (203) are provided, and the four fixing rods (203) are respectively located at the top corners of the connecting plate (202).

8. The double-piston anti-pressure water hammer absorber with noise reduction function according to claim 1, characterized in that: The outer surface of the protective shell (301) is coated with anti-corrosion paint, and the mounting plate (1) is made of stainless steel.

Images