CN219673481U

CN219673481U - Novel low-noise weak-impact stop valve

Info

Publication number: CN219673481U
Application number: CN202321150029.9U
Authority: CN
Inventors: 覃玉华
Original assignee: Wuhan Juxinlai Technology Co ltd
Current assignee: Wuhan Juxinlai Technology Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-12
Anticipated expiration: 2033-05-11

Abstract

The utility model provides a novel low-noise weak-impact stop valve, which relates to the technical field of stop valves and comprises a valve body, wherein a mounting tube is arranged on the top surface of the valve body, connecting tubes are arranged on two sides of the valve body, a connecting inner sleeve is arranged on the inner side of each connecting tube, a top connecting plate is arranged on the top surface of each mounting tube, a sealing sleeve ring is arranged at the middle part of the top surface of each top connecting plate, an operating rod is arranged on the inner side of each sealing sleeve ring, an operating rotating wheel is arranged on the top surface of each operating rod, a sealing piston is arranged at the bottom end of each operating rod, a connecting inner sleeve is arranged on the inner side of each connecting tube on two sides of the valve body, and a buffer sheet is arranged on the inner wall of each connecting inner sleeve.

Description

Novel low-noise weak-impact stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a novel low-noise weak-impact stop valve.

Background

The stop valve is also called a stop valve, and belongs to a forced sealing valve, so that when the valve is closed, pressure is applied to a valve clack to force a sealing surface not to leak, when a medium enters the valve from the lower part of the valve clack, the resistance which is needed to be overcome by the operation force is the friction force of a valve rod and a filler and the thrust generated by the pressure of the medium, and the force for closing the valve is larger than the force for opening the valve, so that the diameter of the valve rod is larger, otherwise, the valve rod is in a bending fault.

The prior stop valve has the following problems in use:

1. when the medium flow that current stop valve when using is big when the stop valve both sides pass through, when the stop valve was initially opened, the inside great impact that can receive of stop valve, and then can lead to the condition that the stop valve appears vibrations, and the stop valve can send great noise, uses the stop valve for a long time easily impaired.

2. When the medium flow that the stop valve is inside to pass through is great, the position that the stop valve both sides are connected with the pipeline can receive the impact equally, can lead to taking place vibrations between pipeline and the stop valve, can appear becoming flexible and the noise is great between stop valve and the pipeline after a long time.

Disclosure of Invention

The utility model aims to solve the defect that the noise generated by vibration is large when the conventional stop valve is switched on in the prior art, and provides a novel low-noise weak-impact stop valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel stop valve that low noise is weak to strike, includes the valve body, the top surface of valve body is provided with the installation tube, the both sides of valve body all are provided with the connecting pipe, the inboard of connecting pipe is provided with the connection endotheca, the top surface of installation tube is provided with the top connecting plate, the top surface department of centering on the top connecting plate is provided with sealed lantern ring, the inboard of sealed lantern ring is provided with the action bars, the top surface of action bars is provided with the operation runner, the bottom of action bars is provided with sealed piston, the inner wall of connecting the endotheca is provided with the buffer, the one end that keeps away from the valve body of installation tube and connecting pipe all is provided with the ring flange.

Preferably, the flange plate of the mounting pipe is matched with the top connecting plate, and one end of the outer side of the connecting inner sleeve is matched with the flange plate of the connecting pipe.

Preferably, the side wall of the operating rod is provided with threads near the top surface, and the middle part of the top connecting plate is provided with a connecting lantern ring.

Preferably, a supporting plate is arranged between the connecting lantern ring and the top connecting plate, and the connecting lantern ring is in threaded connection with the operating rod.

Preferably, the sealing lantern ring is in sliding connection with the operating rod, and the top connecting plate is connected with the flange plate through bolts.

Preferably, a separation baffle is arranged in the valve body, and a through hole matched with the sealing piston is formed in the center of the surface of the separation baffle.

Preferably, the buffer sheets are of a circular ring structure, the buffer sheets are arranged on the inner wall of the connecting inner sleeve at equal intervals in a linear array mode, and the connecting inner sleeve is in threaded connection with the connecting pipe.

Advantageous effects

According to the utility model, the inner sides of the connecting pipes at the two sides of the valve body are provided with the connecting inner sleeves, and the inner walls of the connecting inner sleeves are provided with the buffer sheets, so that when the medium flow rate of the connecting pipes at the two sides of the valve body is large, the buffer sheets can slow down the impact on the valve body caused by the medium flowing at a high speed, thereby reducing the working noise of the valve body in a high-flow high-pressure state, reducing the acting force of fluid impact on the stop valve, reducing the damage to the stop valve and prolonging the service life of the stop valve.

According to the utility model, when the outer side end of the connecting inner sleeve is matched with the flange plate of the connecting pipe and the valve body is connected with the pipeline, the connecting inner sleeve can play a role in buffering between the flange plate and the pipeline, and when the interior of the valve body is impacted to generate vibration, the vibration on the pipeline can be reduced, so that the phenomenon of large noise caused by looseness between the pipeline and the valve body can be avoided.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the valve body of the present utility model;

fig. 4 is a schematic view showing the internal structure of the connecting inner sleeve of the present utility model.

Legend description:

1. a valve body; 2. installing a pipe; 3. a connecting pipe; 4. a flange plate; 5. a top connection plate; 6. connecting the inner sleeve; 7. a buffer sheet; 8. an operation lever; 9. a connecting collar; 10. operating the rotating wheel; 11. a sealing collar; 12. a support plate; 13. a separation partition; 14. and sealing the piston.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

First embodiment:

referring to fig. 1-4, a novel low-noise weak impact stop valve comprises a valve body 1, wherein a mounting tube 2 is arranged on the top surface of the valve body 1, connecting tubes 3 are arranged on two sides of the valve body 1, a connecting inner sleeve 6 is arranged on the inner side of each connecting tube 3, a top connecting plate 5 is arranged on the top surface of each mounting tube 2, a sealing sleeve ring 11 is arranged at the middle of the top surface of each top connecting plate 5, an operating rod 8 is arranged on the inner side of each sealing sleeve ring 11, an operating rotating wheel 10 is arranged on the top surface of each operating rod 8, a sealing piston 14 is arranged at the bottom end of each operating rod 8, a buffer sheet 7 is arranged on the inner wall of each connecting inner sleeve 6, flanges 4 are arranged at one ends, far away from the valve body 1, of each mounting tube 2 and each connecting tube 3, each buffer sheet 7 is made of nitrile rubber, each buffer sheet 7 is of a circular structure, the buffer sheets 7 are arranged on the inner wall of each connecting inner sleeve 6 at equal intervals, each connecting inner sleeve 6 is in threaded connection with each connecting tube 3, and threads matched with each connecting inner sleeve 6 are arranged on the inner wall of each connecting tube 3.

The lateral wall of action bars 8 is close to top surface department and sets up the screw thread, top junction plate 5's top department of centering is provided with the connection lantern ring 9, be provided with backup pad 12 between connection lantern ring 9 and the top junction plate 5, and be threaded connection between connection lantern ring 9 and the action bars 8, rotatory operation runner 10 through threaded connection mode can control action bars 8 and rise or descend, be sliding connection between sealing lantern ring 11 and the action bars 8, and be connected through the bolt between top junction plate 5 and the ring flange 4, the inside of valve body 1 is provided with separation baffle 13, and separation baffle 13's surface department of centering has seted up with sealing piston 14 assorted through-hole.

The inner sides of the connecting pipes 3 at the two sides of the valve body 1 are provided with the connecting inner sleeves 6, and the inner walls of the connecting inner sleeves 6 are provided with the buffer sheets 7, when the medium flow rate of the connecting pipes 3 at the two sides of the valve body 1 is large, the buffer sheets 7 can slow down the impact on the valve body 1 caused by the medium flowing at a high speed, so that the working noise of the valve body 1 in a high-flow high-pressure state can be reduced, the acting force of fluid impact on the stop valve can be reduced, the damage to the stop valve is reduced, and the service life of the stop valve is prolonged.

Specific embodiment II:

referring to fig. 1 to 4, the flange 4 of the installation tube 2 is matched with the top connection plate 5, one end of the outer side of the connection inner sleeve 6 is matched with the flange 4 of the connection tube 3, and a through hole matched with the flange 4 is formed in one end of the outer side of the connection inner sleeve 6, so that when the flange 4 of the installation tube 2 is connected with the pipelines on two sides, sealing and buffering effects can be achieved between the pipelines and the flange 4.

When the valve body 1 is connected with the pipeline by matching one end of the outer side of the connecting inner sleeve 6 with the flange 4 of the connecting pipe 3, the connecting inner sleeve 6 can play a role in buffering between the flange 4 and the pipeline, and when the interior of the valve body 1 is impacted to vibrate, the vibration caused by the pipeline can be reduced, and further the phenomenon of large noise caused by looseness between the pipeline and the valve body 1 can be avoided.

To sum up:

1. the inner sides of the connecting pipes 3 at the two sides of the valve body 1 are provided with the connecting inner sleeves 6, the inner walls of the connecting inner sleeves 6 are provided with the buffer sheets 7, when the medium flow rate of the connecting pipes 3 at the two sides of the valve body 1 is large, the buffer sheets 7 can slow down the impact on the valve body 1 caused by the medium flowing at a high speed, so that the working noise of the valve body 1 in a high-flow high-pressure state can be reduced, the acting force of fluid impact on the stop valve can be reduced, the damage to the stop valve is reduced, and the service life of the stop valve is prolonged;

2. when the valve body 1 is connected with the pipeline by matching one end of the outer side of the connecting inner sleeve 6 with the flange 4 of the connecting pipe 3, the connecting inner sleeve 6 can play a role in buffering between the flange 4 and the pipeline, and when the interior of the valve body 1 is impacted to vibrate, the vibration caused by the pipeline can be reduced, and further the phenomenon of large noise caused by looseness between the pipeline and the valve body 1 can be avoided.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel low noise weak impact stop valve, includes valve body (1), its characterized in that: the top surface of valve body (1) is provided with mounting tube (2), the both sides of valve body (1) all are provided with connecting pipe (3), the inboard of connecting pipe (3) is provided with and connects endotheca (6), the top surface of mounting tube (2) is provided with top connecting plate (5), the top surface department of centering of top connecting plate (5) is provided with sealed lantern ring (11), the inboard of sealed lantern ring (11) is provided with action bars (8), the top surface of action bars (8) is provided with operation runner (10), the bottom of action bars (8) is provided with sealed piston (14), the inner wall of connecting endotheca (6) is provided with buffer sheet (7), the one end of keeping away from valve body (1) of mounting tube (2) and connecting pipe (3) all is provided with ring flange (4).

2. The novel low noise and low impact stop valve of claim 1, wherein: the flange plate (4) of the mounting pipe (2) is matched with the top connecting plate (5), and one end of the outer side of the connecting inner sleeve (6) is matched with the flange plate (4) of the connecting pipe (3).

3. The novel low noise and low impact stop valve of claim 1, wherein: the side wall of the operating rod (8) is provided with threads close to the top surface, and the middle part of the top connecting plate (5) is provided with a connecting lantern ring (9).

4. A novel low noise, low impact shut-off valve according to claim 3, wherein: a supporting plate (12) is arranged between the connecting lantern ring (9) and the top connecting plate (5), and the connecting lantern ring (9) is in threaded connection with the operating rod (8).

5. The novel low noise and low impact stop valve of claim 1, wherein: the sealing lantern ring (11) is in sliding connection with the operating rod (8), and the top connecting plate (5) is connected with the flange plate (4) through bolts.

6. The novel low noise and low impact stop valve of claim 1, wherein: the inside of valve body (1) is provided with separation baffle (13), and the surface department of keeping in the middle of separation baffle (13) has offered with sealed piston (14) assorted through-hole.

7. The novel low noise and low impact stop valve of claim 1, wherein: the buffer sheets (7) are of circular ring structures, the buffer sheets (7) are arranged on the inner wall of the connecting inner sleeve (6) at equal intervals, and the connecting inner sleeve (6) is in threaded connection with the connecting pipe (3).