CN211117691U - Stop valve convenient to adjust flow - Google Patents

Abstract

The utility model discloses a shut-off valve which is convenient for flow regulation, belonging to the technical field of valves. The shut-off valve comprises a valve body and a valve cover, a valve cover is installed on the top of the valve body, and an inner thread sleeve is welded on the top of the valve cover. The top of the inner cavity of the valve cover is welded with a guide rod, the outer wall of the guide rod is sleeved with a spring, the valve body is movably connected with a valve plate, and the top of the valve plate is fixedly connected with a cushion block, the cushion block A groove is formed on the surface, a through hole is formed on both sides of the cushion block, and a sliding block is integrally formed on a surface of one side of the valve plate. The utility model controls the lifting and lowering of the valve plate, and the inside of the regulating pipe is provided with a water-passing cavity, and a partition plate is welded inside the water-passing cavity. When the valve plate moves upward, the more diaphragms leak out, the greater the flow rate of the medium. On the contrary, when the valve plate moves downward, the more diaphragms are blocked, the smaller the medium flow rate is, which is convenient to control the medium flow rate.

Description

A shut-off valve for easy flow adjustment

technical field

The utility model relates to the technical field of valves, in particular to a shut-off valve which is convenient for regulating flow.

Background technique

As one of the most important shut-off valves, the globe valve plays an important role in the aerospace field. As an important component of aerospace equipment, the globe valve realizes the functions of medium transportation, cutoff and adjustment, and its sealing performance directly affects the safe and reliable operation of aerospace equipment. The study of the influencing factors and influence rules of the sealing characteristics of typical globe valves has guiding significance for the structural design of the valve sealing pair, thereby improving the sealing performance and reliability of the valve.

When the valve plate of the existing globe valve is adjusted, it can only play the function of blocking the flow of the medium, but cannot adjust the flow of the medium. In order to facilitate the adjustment of the flow of the medium by the globe valve, we propose a A shut-off valve for easy flow regulation.

Utility model content

The utility model provides a shut-off valve which is convenient for adjusting the flow, which aims to facilitate the shut-off valve to regulate the flow of the medium.

The concrete technical scheme that the utility model provides is as follows:

The utility model provides a shut-off valve which is convenient for adjusting the flow rate, comprising a valve body and a valve cover, a valve cover is installed on the top of the valve body, an inner threaded sleeve is welded on the top of the valve cover, and the top of the inner cavity of the valve cover is welded There is a guide rod, the outer wall of the guide rod is sleeved with a spring, the inside of the valve body is movably connected with a valve plate, the top of the valve plate is fixedly connected with a cushion block, the surface of the cushion block is provided with a groove, the cushion block There are through holes on both sides, a slider is integrally formed on one side of the valve plate, a regulating pipe is fixedly connected on one side of the valve plate, and a water passage is opened inside the regulating pipe, and the inside of the water passage is Welded baffles.

Optionally, a valve stem is rotatably connected inside the inner threaded sleeve, one end of the valve stem is welded with a handwheel, and the valve stem extends to the inside of the valve cover.

Optionally, the groove is connected with the valve rod, the length of the guide rod is longer than the length of the through hole, the guide rod is connected to the through hole by inserting, and one end of the spring is connected to the valve plate by welding.

Optionally, there are several partitions, and each partition is arranged in parallel.

Optionally, one end of the adjusting pipe is provided with a chute, and the chute is connected with the slider.

The beneficial effects of the present utility model are as follows:

1. The utility model can effectively make the valve plate move up and down along the guide rod through the length of the guide rod is longer than the length of the through hole opened on the valve plate and the guide rod is connected with the through hole, and extends to the valve cover through the valve rod. Inside, at the same time, one end of the valve stem is connected with the groove on the surface of the cushion block, and one end of the spring is connected to the valve plate by welding. With the help of the spring force of the spring, the valve stem is always attached to the bottom of the groove, which is convenient to control the lifting of the valve plate.

2. The utility model is provided with a water-passing cavity inside the regulating pipe, and a partition plate is welded inside the water-passing cavity. At the same time, there are several partition plates and each partition plate is arranged in parallel. Under the same pressure, when the valve plate upwards Movement, the more baffles leak out, the greater the flow of the medium, on the contrary, the valve plate moves downwards, the more baffles are blocked, the smaller the flow of the medium is, which is convenient to control the flow of the medium.

3. The utility model is connected with the sliding block through the chute, which can effectively improve the stability of the valve plate when moving.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present invention. For example, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic diagram of the overall structure of a shut-off valve that is convenient for regulating flow according to an embodiment of the present utility model;

Fig. 2 is a top view structural schematic diagram of a valve plate top of a shut-off valve that is convenient for adjusting flow according to an embodiment of the present utility model;

3 is a schematic diagram of the front structure of a regulating pipe of a shut-off valve that is convenient for regulating flow according to an embodiment of the present invention.

In the figure: 1, valve body; 101, valve cover; 2, internal thread sleeve; 201, valve stem; 202, hand wheel; 3, guide rod; 301, spring; 4, valve plate; 401, spacer; 402 , groove; 403, through hole; 404, slider; 5, regulating pipe; 501, water passage; 502, baffle; 503, chute.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The following will describe in detail a shut-off valve that facilitates flow regulation according to an embodiment of the present invention with reference to FIGS. 1 to 3 .

Referring to FIG. 1 , FIG. 2 and FIG. 3 , a shut-off valve convenient for flow regulation provided by an embodiment of the present invention includes a valve body 1 and a valve cover 101 , and a valve cover 101 is installed on the top of the valve body 1 . The top of the valve cover 101 is welded with an internal thread sleeve 2, the top of the inner cavity of the valve cover 101 is welded with a guide rod 3, the outer wall of the guide rod 3 is sleeved with a spring 301, and the valve body 1 is movably connected with a valve plate 4 inside. A spacer 401 is fixedly connected to the top of the valve plate 4, a groove 402 is formed on the surface of the spacer 401, through holes 403 are formed on both sides of the spacer 401, and one side surface of the valve plate 4 is integrally formed There is a slider 404 , a regulating tube 5 is fixedly connected to one side of the valve plate 4 , a water passage cavity 501 is opened inside the regulating tube 5 , and a partition plate 502 is welded inside the water passage chamber 501 .

The embodiment of the present utility model provides a shut-off valve that is convenient for adjusting the flow rate by controlling the lifting and lowering of the valve plate 4, and a water passage chamber 501 is opened inside the regulating pipe 5, and a partition plate 502 is welded inside the water passage chamber 501. At the same time, the partition plate 502 is provided with several and each partition 502 is arranged in parallel. Under the same pressure, when the valve plate 4 moves upward, the more partitions 502 leak out, the greater the flow rate of the medium, on the contrary, the valve plate 4 moves downward, blocking the The more partitions 502 there are, the smaller the medium flow, which is convenient to control the medium flow.

Referring to FIG. 1 , an embodiment of the present invention provides a shut-off valve that is convenient for flow regulation. A valve stem 201 is rotatably connected inside the inner threaded sleeve 2 , and a handwheel 202 is welded on one end of the valve stem 201 . The valve stem 201 extends to the inside of the valve cover 101 to facilitate the control of the valve plate 4 .

Referring to FIG. 1 and FIG. 2 , an embodiment of the present invention provides a shut-off valve that facilitates flow adjustment, the groove 402 is connected with the valve stem 201 , the length of the guide rod 3 is longer than that of the through hole 403 and The guide rod 3 is connected to the through hole 403 by inserting, and one end of the spring 301 is connected to the valve plate 4 by welding, so as to facilitate the lifting and lowering of the valve plate 4 .

Referring to FIG. 3 , an embodiment of the present invention provides a shut-off valve that facilitates flow regulation. There are several partitions 502 and each partition 502 is arranged in parallel, which is beneficial to the flow of the medium.

Referring to FIG. 2 and FIG. 3 , the embodiment of the present invention provides a shut-off valve that is convenient for adjusting the flow rate. One end of the regulating pipe 5 is provided with a chute 503, and the chute 503 is connected with the slider 404, which can effectively The stability of the poppet plate 4 when moving.

The embodiment of the present utility model provides a shut-off valve which is convenient for adjusting the flow rate. During operation, a guide rod 3 is welded through the top of the inner cavity of the valve cover 101, and a spring 301 is sleeved on the outer wall of the guide rod 3, and the length of the guide rod 3 is longer than that of the valve. The length of the through hole 403 opened on the plate 4 and the guide rod 3 is connected with the through hole 403, which can effectively make the valve plate 4 move up and down along the guide rod 3, and extend to the inside of the valve cover 101 through the valve rod 201. One end of the rod 201 is connected with the groove 402 opened on the surface of the cushion block 401, and one end of the spring 301 is connected to the valve plate 4 by welding. With the help of the elastic force of the spring 301, the valve rod 201 is always in contact with the bottom of the groove 402, and when rotated clockwise When the handwheel 202 is turned on, the valve stem 201 moves upward, the spring 301 contracts, a water passage 501 is opened inside the adjusting tube 5, and a partition plate 502 is welded inside the water passage chamber 501. The diaphragms 502 are arranged in parallel. Under the same pressure, when the valve plate 4 moves upward, the more diaphragms 502 leak out, the greater the flow rate of the medium. On the contrary, when the valve plate 4 moves downward, the more diaphragms 502 are blocked, and the medium The smaller the flow rate, the better the stability of the valve plate 4 when moving, through the connection between the chute 503 and the slider 404 .

It should be noted that the present utility model is a shut-off valve that is easy to adjust the flow rate, including a valve body 1, a valve cover 101, an inner threaded sleeve 2, a valve stem 201, a hand wheel 202, a guide rod 3, a spring 301, a valve plate 4. The cushion block 401, the groove 402, the through hole 403, the slider 404, the adjustment pipe 5, the water passage 501, the partition plate 502, and the chute 503 are all common standard parts or parts known to those skilled in the art, Its structure and principle are known to those skilled in the art through technical manuals or through routine experimental methods.

Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present utility model fall within the scope of the claims of the present utility model and their equivalents, the present utility model is also intended to include these modifications and variations.

Claims (5)

1. A shut-off valve that facilitates flow regulation, characterized in that the shut-off valve comprises a valve body and a valve cover, a valve cover is installed on the top of the valve body, and an inner threaded sleeve is welded on the top of the valve cover, and the A guide rod is welded on the top of the inner cavity of the valve cover, a spring is sleeved on the outer wall of the guide rod, a valve plate is movably connected inside the valve body, a cushion block is fixedly connected to the top of the valve plate, and a recess is formed on the surface of the cushion block. There are through holes on both sides of the cushion block, a slider is integrally formed on one side of the valve plate, a regulating pipe is fixedly connected to one side of the valve plate, and a water passage cavity is opened inside the regulating pipe. A partition plate is welded inside the water passage chamber. 2 . The shut-off valve according to claim 1 , wherein a valve stem is rotatably connected inside the inner threaded sleeve, a handwheel is welded on one end of the valve stem, and the valve stem extends 2 . to the inside of the valve cover. 3 . The shut-off valve according to claim 1 , wherein the groove is connected with the valve stem, the length of the guide rod is longer than that of the through hole, and the guide rod is inserted into the through hole. 4 . One end of the spring is connected to the valve plate by welding. 4 . The shut-off valve according to claim 1 , wherein there are several partitions and each partition is arranged in parallel. 5 . 5 . The shut-off valve according to claim 1 , wherein a chute is provided at one end of the regulating pipe, and the chute is connected with the slider. 6 .

Images