CN216131473U

CN216131473U - Governing valve with function of making an uproar falls in decompression

Info

Publication number: CN216131473U
Application number: CN202121986241.XU
Authority: CN
Inventors: 陆耀威; 朱峰; 朱安
Original assignee: Shanghai Pin An High Pressure Control Valve Co ltd
Current assignee: Shanghai Pin An High Pressure Control Valve Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-25
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a regulating valve with pressure reduction and noise reduction functions, which relates to the technical field of regulating valves and comprises a valve body, a valve clack, a water inlet cavity and a water drainage cavity, wherein the water inlet cavity and the water drainage cavity are arranged on two sides inside the valve body, a fixed pipe is fixedly arranged on one side, which is positioned inside the water inlet cavity, inside the valve body, and a telescopic pipe positioned inside the valve body is connected to the outer side of the fixed pipe in a sliding manner. According to the utility model, the fixed pipe is arranged on one side of the water inlet cavity, the outer side of the fixed pipe is connected with the telescopic pipe positioned in the valve body in a sliding manner, when external high-pressure water flow enters the telescopic pipe through the water inlet cavity, one part of the high-pressure water flow penetrates through the filter plate, and the other part of the high-pressure water flow can push the filter plate to slide, the filter plate slides and enters to drive the telescopic pipe to extend relative to the fixed pipe, and because the spring is connected between the telescopic pipe and the valve body, when the telescopic pipe extends relative to the fixed pipe, the spring is in a stretching state, and the stretching elastic force of the spring can play a certain role in reducing pressure and reducing noise, so that the integral using effect of the utility model is greatly improved.

Description

Governing valve with function of making an uproar falls in decompression

Technical Field

The utility model relates to the technical field of regulating valves, in particular to a regulating valve with pressure reduction and noise reduction functions.

Background

In the field of industrial automation process control, a final control element for changing process parameters such as medium flow, pressure, temperature, liquid level and the like by receiving a control signal output by an adjusting control unit and by means of power operation generally comprises an actuating mechanism and a valve, wherein if the adjusting valve is in a straight stroke and an angular stroke according to stroke characteristics; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the regulating valve is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics, and is suitable for media such as air, water, steam, various corrosive media, slurry, oil products and the like.

The inside high-pressure rivers of governing valve in the use can produce great noise among the prior art, leads to whole valve body when using, comparatively influences operational environment, and can cause certain injury to the staff for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that noise produces certain influence when using the governing valve among the prior art, provide a governing valve with the function of making an uproar falls in decompression.

In order to achieve the purpose, the utility model provides the following technical scheme:

a regulating valve with the functions of pressure reduction and noise reduction comprises a valve body, a valve clack, a water inlet cavity and a water drainage cavity, wherein the water inlet cavity and the water drainage cavity are arranged on two sides inside the valve body, a fixed pipe is fixedly arranged on one side inside the water inlet cavity inside the valve body, a telescopic pipe inside the telescopic pipe is connected with the outer side of the fixed pipe in a sliding manner, a filter plate is fixedly arranged on one side far away from the fixed pipe, a spring is fixedly connected between the telescopic pipe and the valve body, a water inlet frame inside the water inlet cavity is fixedly arranged on one side far away from the filter plate of the fixed pipe, a plurality of groups of water inlet holes are uniformly formed in the water inlet frame, the fixed pipe is arranged on one side of the water inlet cavity, the telescopic pipe inside the valve body is connected with the outer side of the fixed pipe in a sliding manner, when external high-pressure water flow enters the telescopic pipe through the water inlet cavity, one part of the high-pressure water flow penetrates through the filter plate, and the other part can push the filter plate to slide, the filter plate slides into the telescopic pipe to drive the telescopic pipe to extend out relative to the fixed pipe, and the spring is connected between the telescopic pipe and the valve body and is in a stretching state when the telescopic pipe extends out relative to the fixed pipe, so that the stretching elasticity of the spring can enable high-pressure water flow to play a certain role in reducing pressure and reducing noise, and further the integral using effect of the utility model is greatly improved.

In a preferred embodiment of the present invention, a sliding cavity matching with the fixed tube is formed inside the telescopic tube, a limiting ring is fixedly arranged on one side of the fixed tube, a retaining ring matching with the limiting ring is fixedly arranged on one side inside the telescopic tube, so that the telescopic tube can slide relative to the fixed tube, and the telescopic tube cannot be separated from the fixed tube under the limiting of the limiting ring and the retaining ring.

In a preferred embodiment of the utility model, the four corners of the outer side of the telescopic tube are fixedly provided with limiting blocks extending into the valve body, the valve body is internally provided with a limiting chute matched with the limiting blocks, and the limiting blocks enable the telescopic tube to be more stable in the sliding process.

In a preferred embodiment of the utility model, a gasket is fixedly arranged on one side of the telescopic pipe, which is far away from the fixed pipe, and the gasket is made of rubber and plays a role in protecting the telescopic pipe.

In a preferred embodiment of the utility model, a screw rod is fixedly arranged at the center of the top of the valve clack, a sleeve matched with the screw rod is movably connected to the outer side of the screw rod, a hand wheel positioned above the valve body is fixedly arranged on the outer side of the sleeve, a movable ring extending into the valve body is fixedly arranged on the outer side of the sleeve, and the valve clack can be adjusted to be opened and closed by rotating the hand wheel.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the fixed pipe is arranged on one side of the water inlet cavity, the outer side of the fixed pipe is connected with the telescopic pipe positioned in the valve body in a sliding manner, when external high-pressure water flow enters the telescopic pipe through the water inlet cavity, one part of the high-pressure water flow penetrates through the filter plate, and the other part of the high-pressure water flow can push the filter plate to slide, the filter plate slides and enters to drive the telescopic pipe to extend relative to the fixed pipe, and because the spring is connected between the telescopic pipe and the valve body, when the telescopic pipe extends relative to the fixed pipe, the spring is in a stretching state, and the stretching elastic force of the spring can play a certain role in reducing pressure and reducing noise, so that the integral using effect of the utility model is greatly improved.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a partially enlarged exploded view of the present invention.

Fig. 3 is a schematic structural diagram of the whole of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to fig. 1-3, a regulating valve with pressure reducing and noise reducing functions comprises a valve body 1, a valve clack 2, a water inlet chamber 4 and a water discharging chamber 5 at two sides of the valve body, a fixed pipe 6 is fixedly arranged at one side inside the water inlet chamber 4 inside the valve body 1, a telescopic pipe 7 inside the valve body 1 is connected at the outer side of the fixed pipe 6 in a sliding manner, a filter 12 is fixedly arranged at one side of the telescopic pipe 7 far away from the fixed pipe 6, a spring 11 is fixedly connected between the telescopic pipe 7 and the valve body 1, a water inlet frame 13 inside the water inlet chamber 4 is fixedly arranged at one side of the fixed pipe 6 far away from the filter 12, and a plurality of groups of water inlet holes 14 are uniformly formed inside the water inlet frame 13.

According to the utility model, by arranging the structure, the fixed pipe 6 is arranged on one side of the water inlet cavity 4, the telescopic pipe 7 positioned in the valve body 1 is connected to the outer side of the fixed pipe 6 in a sliding manner, when external high-pressure water flow enters the telescopic pipe 7 through the water inlet cavity 4, one part of the high-pressure water flow penetrates through the filter plate 12, and the other part of the high-pressure water flow can push the filter plate 12 to slide, the filter plate 12 slides to enter and drive the telescopic pipe 7 to extend relative to the fixed pipe 6, and because the spring 11 is connected between the telescopic pipe 7 and the valve body 1, the spring 11 is in a stretching state when the telescopic pipe 7 extends relative to the fixed pipe 6, and the stretching elastic force of the spring 11 can enable the high-pressure water flow to play a certain role in reducing pressure and reducing noise, so that the integral using effect of the utility model is greatly improved.

Please refer to fig. 2, the inside of the telescopic tube 7 is provided with a sliding cavity 9 matching with the fixed tube 6, one side of the fixed tube 6 is fixedly provided with a spacing ring 8, one side of the inside of the telescopic tube 7 is fixedly provided with a retaining ring 10 matching with the spacing ring 8, the telescopic tube 7 can slide relative to the fixed tube 6 conveniently by the arrangement of the above structure, and the telescopic tube 7 can not be separated from the fixed tube 6 under the limiting of the spacing ring 8 and the retaining ring 10.

Please refer to fig. 1 and fig. 2, the four corners of the outer side of the extension tube 7 are all fixedly provided with a limiting block 15 extending to the inside of the valve body 1, the inside of the valve body 1 is provided with a limiting sliding groove matched with the limiting block 15, one side of the extension tube 7 far away from the fixed tube 6 is fixedly provided with a gasket 16, and the gasket 16 is made of rubber.

Please refer to fig. 1 and fig. 3, a screw 3 is fixedly arranged at the top center of the valve flap 2, a sleeve 17 matched with the screw 3 is movably connected to the outer side of the screw 3, a hand wheel 18 positioned above the valve body 1 is fixedly arranged at the outer side of the sleeve 17, and a movable ring 19 extending to the interior of the valve body 1 is fixedly arranged at the outer side of the sleeve 17.

The working principle is as follows: when the high-pressure water flow enters the telescopic pipe 7 through the water inlet cavity 4, one part of the high-pressure water flow penetrates through the filter plate 12, the other part of the high-pressure water flow pushes the filter plate 12 to slide, and the filter plate 12 slides to enter and drive the telescopic pipe 7 to extend out relative to the fixed pipe 6;

because the spring 11 is connected between the extension tube 7 and the valve body 1, the spring 11 is in an extension state when the extension tube 7 extends relative to the fixed tube 6, and the high-pressure water flow can play a certain role in reducing pressure and noise by the extension force of the spring 11, so that the integral using effect of the utility model is greatly improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a governing valve with function of making an uproar falls in decompression, includes intake antrum and the drainage chamber of valve body, valve clack and its inside both sides, its characterized in that: the fixed pipe that is provided with in inside one side of intake antrum of valve body, fixed outside sliding connection of pipe has the flexible pipe that is located the inside of valve body, the fixed filter that is provided with in one side that fixed pipe was kept away from to flexible inside, fixedly connected with spring between flexible pipe and the valve body, fixed pipe is kept away from one side of filter and is fixed the frame of intaking that is located the inside of intake antrum, and intakes the inside multiunit inlet opening of evenly having seted up of frame.

2. The regulator valve with pressure reduction and noise reduction functions according to claim 1, wherein: the telescopic pipe is characterized in that a sliding cavity matched with the fixed pipe is formed in the telescopic pipe, a limiting ring is fixedly arranged on one side of the fixed pipe, and a retaining ring matched with the limiting ring is fixedly arranged on one side of the inner portion of the telescopic pipe.

3. The regulator valve with pressure reduction and noise reduction functions according to claim 1, wherein: the flexible outside four corners department all fixedly is provided with the stopper that extends to the valve body is inside, and the valve body is inside to be seted up with stopper matched with spacing spout.

4. The regulator valve with pressure reduction and noise reduction functions according to claim 1, wherein: the telescopic pipe is fixedly provided with a gasket on one side far away from the fixed pipe, and the gasket is made of rubber.

5. The regulator valve with pressure reduction and noise reduction functions according to claim 1, wherein: the valve clack top central point puts the fixed screw rod that is provided with of department, screw rod outside swing joint has rather than matched with sleeve, the fixed hand wheel that is located the valve body top that is provided with in the sleeve outside, the fixed movable ring that extends to the valve body inside that is provided with in the sleeve outside.