CN217842874U - Low-noise incremental flow control valve - Google Patents

Abstract

The utility model belongs to the technical field of flow control valve, especially low noise incremental flow control valve, including the valve body and the drive actuator step motor of valve body, step motor's surface is provided with the device of making an uproar that falls. This incremental flow control valve of low noise, fall the device of making an uproar through setting up, be convenient for absorb the noise that step motor produced, absorb the vibrations that step motor produced in the work simultaneously, start the silence fan, the rotation of silence fan flabellum drives outside air and passes through the vent entering and fall the casing of making an uproar in, and will fall the heat that produces in the casing of making an uproar and discharge through the cooling tube, the noise that produces when the glass cotton reduces the cooling tube exhaust, the shock pad absorbs the vibrations that step motor motion produced through the elastic deformation of self, the contact of board and the casing of making an uproar of falling of stopping shakes reduces the vibrations of the casing of making an uproar, thereby reach the absorbing effect of making an uproar of falling.

Description

Low-noise incremental flow control valve

Technical Field

The utility model relates to a flow control valve technical field especially relates to low noise incremental flow control valve.

Background

The flow control valve is also called 400X flow control valve, and is a multifunctional valve adopting a high-precision pilot mode to control flow. The valve is suitable for the pipeline of water distribution pipe with controlled flow and pressure, and has constant preset flow rate, limited excessive flow rate to one preset value, and properly reduced upstream high pressure. The connection mode is divided into a flange type, a thread type and a welding type. The control and adjustment modes are automatic and manual.

For example, the flow control valve disclosed in chinese patent document (publication No. CN 106090355B) "includes a stepping motor as a drive actuator for driving a valve member, the stepping motor including a stator coil around a housing and a case, and accommodating a magnetic rotor and a rotor shaft fixed to the magnetic rotor in the housing. In addition, a support member that supports the rotor shaft is housed in the housing. Then, an external thread portion formed on the outer periphery of the rotor shaft is screwed to an internal thread portion formed on the support member, the rotor shaft is linearly moved by the rotation of the magnetic rotor, and the opening degree of the valve port is controlled by a valve member held on the rotor shaft via a valve holder. This controls the flow rate flowing through the valve port with respect to the fluid flowing in from the primary side joint pipe connected to the side surface of the valve housing.

Although this patent reduces the pressure of the fluid stored in the housing and makes the balance of the fluid pressure acting on the valve member good, thereby enabling the valve member to operate reliably, the present invention does not consider the noise generated during the operation of the stepping motor and the noise generated by the flow of the fluid in the valve member during the use, and thus the use of daily life is easily affected, so the present invention has been made to solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Based on current above-mentioned technical problem, the utility model provides a low noise incremental flow control valve.

The utility model provides a low-noise incremental flow control valve, which comprises a valve body and a drive actuator stepping motor of the valve body, wherein a sound-proof cover is fixedly sleeved on the outer surface of the valve body;

the outer surface of the stepping motor is provided with a noise reduction device which comprises a noise reduction shell, the noise reduction shell is made of a sound insulation board, and the lower surface of the noise reduction shell is fixedly installed on the upper surface of the valve body through a fastening bolt.

Preferably, the sound-proof shield is made of rubber-plastic plate heat-preservation cotton, and the inner wall of the sound-proof shield is fixedly connected with sound-absorbing cotton;

through above-mentioned technical scheme, the rubber and plastic board heat preservation cotton is elasticity obturator expanded material, adopts the fine control microfoam technique for the cell is even more fine and close, therefore possess the shock attenuation, inhale excellent properties such as sound, can not only effectively isolated noise, can also reduce the vibrations that the valve body work produced, inhale the sound cotton simultaneously and pass through the aperture transmission of its intercommunication with the noise, make noise and pore wall friction change into heat energy, thereby play the amortization effect.

Preferably, the noise reduction device further comprises a shock pad, the outer surface of the shock pad is fixedly connected with the inner wall of the noise reduction shell, the inner wall of the shock pad is in sliding contact with the outer surface of the stepping motor, and the lower surface of the shock pad is in sliding contact with the upper surface of the valve body;

through above-mentioned technical scheme, the shock pad has elasticity, drives the shock pad when step motor produces vibrations and takes place deformation, and the shock pad absorbs the vibrations that step motor motion produced through the elastic deformation of self to reach the shock attenuation purpose.

Preferably, the inner wall of the noise reduction shell is fixedly connected with a vibration stopping plate, the inner wall of the vibration stopping plate is in sliding contact with the outer surface of the stepping motor, and one end of the vibration stopping plate is fixedly connected with the upper surface of the shock pad;

through the technical scheme, the vibration stopping plate is composed of the butyl rubber and the aluminum plate, and the butyl rubber damping layer and the inner wall of the noise reduction shell are fixed, so that the vibration frequency of the noise reduction shell is reduced.

Preferably, the upper surface of the noise reduction shell is provided with a mesh-shaped vent, and the upper surface of the vent is fixedly provided with a mute fan;

through above-mentioned technical scheme, start the silence fan, the rotation of silence fan flabellum drives outside air and passes through the vent and get into in the casing of making an uproar that falls.

Preferably, a radiating pipe is fixedly communicated with one side of the outer surface of the noise reduction shell, and glass wool is fixedly sleeved on the outer surface of the radiating pipe;

through above-mentioned technical scheme, the air that gets into through the vent will fall the heat that produces in the casing of making an uproar and pass through the cooling tube and discharge, and the glass cotton is porous material, has good adiabatic, sound absorption performance to the noise that produces when reducing the cooling tube and exhausting.

The utility model provides a beneficial effect does:

1. through setting up the sound-proof housing, the material of sound-proof housing is the rubber and plastic board heat preservation cotton to inhale the sound cotton at the inner wall fixed connection of sound-proof housing, the rubber and plastic board heat preservation cotton is elasticity obturator expanded material, and its surface bubble is even thin and close, and inhales to have fine and close intercommunication aperture on the sound cotton, consequently can effectively absorb the noise, reaches the effect of making an uproar.

2. Through setting up the device of making an uproar, be convenient for absorb the noise that step motor produced, absorb the vibrations that step motor produced in the work simultaneously, start the silence fan, the rotation of silence fan flabellum drives the outside air and passes through the vent and get into in the casing of making an uproar that falls, and will fall the heat that produces in the casing of making an uproar and pass through the cooling tube and discharge, the cotton noise that produces when reducing the heat dissipation tube exhaust of glass, the shock pad absorbs the vibrations that step motor motion produced through the elastic deformation of self, the vibrations of the casing of making an uproar are fallen in the contact reduction of the board and the casing of making an uproar that ends, thereby reach the absorbing effect of making an uproar that falls.

Drawings

Fig. 1 is a schematic view of a low noise incremental flow control valve according to the present invention;

fig. 2 is a perspective view of a valve body structure of the incremental flow control valve with low noise according to the present invention;

fig. 3 is a perspective view of a sound-proof housing structure of the incremental flow control valve with low noise according to the present invention;

fig. 4 is a perspective view of a shock pad structure of the low-noise incremental flow control valve of the present invention;

fig. 5 is a perspective view of a vent structure of the low-noise incremental flow control valve according to the present invention;

fig. 6 is a perspective view of the damper plate structure of the incremental flow control valve with low noise according to the present invention.

In the figure: 1. a valve body; 2. a stepping motor; 3. a sound-proof housing; 301. sound-absorbing cotton; 4. a noise reduction housing; 401. a shock pad; 402. a vibration-stopping plate; 403. a vent; 404. a mute fan; 405. a radiating pipe; 406. glass wool.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, the incremental flow control valve with low noise comprises a valve body 1 and a drive actuator step motor 2 of the valve body 1, wherein a sound-proof cover 3 is fixedly sleeved on the outer surface of the valve body 1.

In order to reduce the noise generated when the fluid flows in the flow control valve body 1, the sound absorption cotton 301 is fixedly connected to the inner wall of the sound insulation cover 3, the noise is transmitted by the sound absorption cotton 301 through the communicated small holes, the noise and the hole wall friction are converted into heat energy, and therefore the noise reduction effect is achieved.

In order to protect the valve body 1, the material of sound-proof housing 3 is rubber plastic board heat preservation cotton, and rubber plastic board heat preservation cotton is elasticity obturator expanded material, adopts the fine control microfoaming technique for the cell is even more fine and close, therefore possess the shock attenuation, inhale excellent performance such as sound, can not only effectively isolated noise, can also reduce the vibrations that the valve body work produced.

Through setting up sound-proof housing 3, the material of sound-proof housing 3 is the rubber and plastic board heat preservation cotton to inhale sound cotton 301 at the inner wall fixed connection of sound-proof housing 3, the rubber and plastic board heat preservation cotton is elasticity obturator expanded material, and its surface bubble is even thin and dense, and has thin and dense intercommunication aperture on inhaling sound cotton 301, consequently can effectively absorb the noise, reaches the effect of making an uproar.

The outer surface of the stepping motor 2 is provided with a noise reduction device which comprises a noise reduction shell 4, and the lower surface of the noise reduction shell 4 is fixedly installed on the upper surface of the valve body 1 through a fastening bolt.

In order to reduce the influence of the vibration generated in the work of the stepping motor 2 on the valve body 1, the inner wall of the noise reduction shell 4 is fixedly connected with a damping pad 401, the inner wall of the damping pad 401 is in sliding contact with the outer surface of the stepping motor 2, the damping pad 401 has elasticity, the damping pad 401 is driven to deform when the stepping motor 2 generates vibration, and the damping pad 401 absorbs the vibration generated by the movement of the stepping motor 2 through the elastic deformation of the damping pad 401, so that the damping purpose is achieved.

In order to reduce the vibration of the noise reduction shell 4, a vibration stopping plate 402 is fixedly connected to the inner wall of the noise reduction shell 4, the inner wall of the vibration stopping plate 402 is in sliding contact with the outer surface of the stepping motor 2, one end of the vibration stopping plate 402 is fixedly connected with the upper surface of the shock absorption pad 401, the vibration stopping plate 402 is composed of butyl rubber and an aluminum plate, a butyl rubber damping layer is fixed to the inner wall of the noise reduction shell 4, and therefore the vibration frequency of the noise reduction shell 4 is reduced.

In order to reduce the noise generated by the vibration of the stepping motor 2, the noise reduction casing 4 is made of a sound insulation board, and the sound insulation board blocks the noise emitted by the stepping motor 2 and propagated in the air.

In order to facilitate the dissipation of heat generated during the operation of the stepping motor 2, a mesh-shaped ventilation opening 403 is formed in the upper surface of the noise reduction casing 4, a mute fan 404 is fixedly installed on the upper surface of the ventilation opening 403, a heat dissipation pipe 405 is fixedly communicated with one side of the outer surface of the noise reduction casing 4, the mute fan 404 is started, the rotation of the fan blades of the mute fan 404 drives the outside air to enter the noise reduction casing 4 through the ventilation opening 403, and the heat generated in the noise reduction casing 4 is discharged through the heat dissipation pipe 405.

In order to reduce the noise generated during heat dissipation, the glass wool 406 is fixedly sleeved on the outer surface of the heat dissipation pipe 405, and the glass wool 406 is made of porous material and has good heat insulation and sound absorption performance, so that the noise generated during air exhaust of the heat dissipation pipe 405 is reduced.

Through setting up the noise reduction device, be convenient for absorb the noise that step motor 2 produced, absorb the vibrations that step motor 2 produced at work simultaneously, start silence fan 404, the rotation of silence fan 404 flabellum drives the outside air and passes through vent 403 entering and fall the casing 4 of making an uproar in, and will fall the heat that produces in the casing 4 of making an uproar and discharge through cooling tube 405, the cotton 406 of glass reduces the noise that produces when cooling tube 405 airs exhaust, shock pad 401 absorbs the vibrations that step motor 2 moved and produce through the elastic deformation of self, the contact of board 402 and the casing 4 of making an uproar of stopping a shock reduces the vibrations of the casing 4 of making an uproar, thereby reach the absorbing effect of making an uproar of falling.

The working principle is as follows: before use, the noise reduction shell 4 is installed on the valve body 1 through a fastening bolt, so that the stepping motor 2 is positioned in the noise reduction shell 4;

when the stepping motor 2 is in use, the mute fan 404 is started, the rotation of the fan blades of the mute fan 404 drives the outside air to enter the noise reduction casing 4 through the vent 403, the heat generated in the noise reduction casing 4 is discharged through the heat dissipation pipe 405, and the glass wool 406 reduces the noise generated when the heat dissipation pipe 405 exhausts air;

meanwhile, the shock pad 401 is deformed by the shock generated in the working process of the stepping motor 2, the shock pad 401 absorbs the shock generated by the movement of the stepping motor 2 through the elastic deformation of the shock pad 401, and the shock stop plate 402 is in contact with the inner wall of the noise reduction shell 4 to reduce the shock frequency of the noise reduction shell 4;

noise generated when the fluid passes through the valve body 1 is absorbed by the soundproof cover 3 and the sound absorbing cotton 301.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Low noise incremental flow control valve, including valve body (1) and drive actuator step motor (2) of valve body (1), its characterized in that: a sound-proof cover (3) is fixedly sleeved on the outer surface of the valve body (1);

the outer surface of step motor (2) is provided with the device of making an uproar of falling, the device of making an uproar of falling is including making an uproar casing (4), the material of making an uproar casing (4) of falling is the acoustic celotex board, the lower surface of making an uproar casing (4) of falling passes through fastening bolt fixed mounting in the upper surface of valve body (1).

2. The low noise incremental flow control valve of claim 1, wherein: the material of sound-proof housing (3) is the rubber and plastic board heat preservation cotton, the inner wall fixedly connected with of sound-proof housing (3) inhales sound cotton (301).

3. The low noise incremental flow control valve of claim 1, wherein: the device of making an uproar still includes shock pad (401), the surface of shock pad (401) with the inner wall fixed connection of the casing of making an uproar (4) falls, the inner wall of shock pad (401) with the surface sliding contact of step motor (2), the lower surface of shock pad (401) with the upper surface sliding contact of valve body (1).

4. The low noise incremental flow control valve of claim 3, wherein: the inner wall of the noise reduction shell (4) is fixedly connected with a vibration stopping plate (402), the inner wall of the vibration stopping plate (402) is in sliding contact with the outer surface of the stepping motor (2), and one end of the vibration stopping plate (402) is fixedly connected with the upper surface of the shock pad (401).

5. The low noise incremental flow control valve of claim 1, wherein: netted vent (403) have been seted up to the upper surface of making an uproar casing (4) of falling, the upper surface fixed mounting of vent (403) has silence fan (404).

6. The low noise incremental flow control valve of claim 1, wherein: the fixed intercommunication of the surface one side of making an uproar casing (4) falls has cooling tube (405), the fixed glass cotton (406) that has cup jointed of surface of cooling tube (405).

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