CN220749071U - Straight-through type sealing stop valve - Google Patents

Abstract

The utility model discloses a straight-through type sealing stop valve, which comprises a stop valve main body, wherein a sealing seat is arranged on the upper surface of the stop valve main body, a supporting seat is fixedly connected to the outer surface of the sealing seat, a sealing block is arranged in the stop valve main body, an adjusting component is arranged above the sealing block and comprises a connecting seat, a sliding seat is connected onto the inner wall of the connecting seat in a sliding manner, the end part of the sliding seat is fixedly connected with the sealing block, the adjusting component is used for adjusting the extrusion of the sealing block, the air flow is transmitted in the stop valve main body, when the air flow pressure is overlarge, the sealing block is pushed to move, the extrusion of a spring is changed through the adjusting component, the extrusion of the sliding seat and the sealing block is controlled, the extrusion of the sealing block is changed, the movement of the sealing block is controlled, and the stable air pressure value in the stop valve main body is adjusted.

Description

Straight-through type sealing stop valve

Technical Field

The utility model particularly relates to a straight-through type sealing stop valve.

Background

The stop valve is the most widely used valve, and the friction force between sealing surfaces in the opening and closing process is small, so that the stop valve is durable, the opening height is small, the stop valve is easy to manufacture and convenient to maintain, and the stop valve is not only suitable for medium and low pressure, but also suitable for high pressure.

When the stop valve is used at present, the control of the airflow flow rate is completed by opening the stop valve.

At present, when the stop valve is used, the condition that the lateral pressure of the stop valve is large occurs, the service life of the stop valve can be reduced under the condition of long-term high pressure, the air flow speed is regulated by manpower, the air pressure is reduced, the air pressure is required to be monitored at all times, after the air pressure is reduced, the stop valve is regulated again, the process is complex, and meanwhile, the air pressure fluctuation is large.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a straight-through sealing stop valve, which can automatically regulate the airflow velocity when the lateral pressure of the stop valve is larger, so that the air pressure is restored to be in a normal range.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a straight-through sealing stop valve, includes the stop valve main part, the last surface mounting of stop valve main part has the sealing seat, the surface fixedly connected with supporting seat of sealing seat, the inside of stop valve main part is provided with the sealing block, the top of sealing block is provided with adjusting part, and adjusting part includes the connecting seat, sliding connection has the sliding seat on the inner wall of connecting seat, the tip and the sealing block fixed connection of sliding seat, adjusting part is used for adjusting the extrusion degree to the sealing block.

Preferably, the upper surface of the sliding seat is fixedly connected with a spring, and the spring is positioned in the connecting seat.

Preferably, the upper surface of the spring is fixedly connected with a rotating seat, and the rotating seat is slidably connected on the inner wall of the connecting seat.

Preferably, the upper surface of the rotating seat is rotationally connected with a threaded sleeve, and the threaded sleeve is in threaded connection with the inner wall of the connecting seat.

Preferably, an adjusting screw rod is connected to the inner wall of the threaded sleeve in a threaded manner.

Preferably, the adjusting screw rod is in threaded connection with the inner wall of the supporting seat.

Preferably, the adjusting screw rod penetrates through one end of the supporting seat extending upwards and is fixedly connected with a rotating wheel.

Preferably, the lower surface of the sealing block is fixedly connected with a socket, and the socket is inserted on the inner wall of the stop valve main body.

The utility model discloses a straight-through type sealing stop valve, which has the following beneficial effects: the stop valve main body is not fully sealed by adjusting the sealing block, at the moment, the stop valve main body is subjected to air flow transmission, when the air flow pressure is too high, the sealing block is pushed to move, the sliding seat is driven to compress the spring under the movement of the sealing block, the extrusion of the spring is changed through the adjusting component, the extrusion of the sliding seat and the sealing block is controlled, the extrusion of the sealing block is changed, the movement of the sealing block is controlled, and the stable air pressure value in the stop valve main body is adjusted.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the interior of a shut-off valve of the present utility model;

FIG. 3 is a schematic view of the inside of the connecting seat of the present utility model;

fig. 4 is an enlarged view of a portion of the structure of fig. 3 in accordance with the present utility model.

In the figure: 1. a shutoff valve body; 2. a sealing seat; 201. a support base; 3. a sealing block; 301. a socket; 302. a sliding seat; 401. adjusting a screw rod; 402. a threaded sleeve; 403. a rotating seat; 5. a connecting seat; 501. and (3) a spring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

This application embodiment is through providing a straight-through type sealed stop valve, has solved the great condition emergence of stop valve main part 1 lateral pressure, relies on the people to adjust the air current velocity of flow generally, reduces atmospheric pressure, and it needs the people to monitor atmospheric pressure constantly, reduces the back when atmospheric pressure, adjusts stop valve main part 1 again, and its process is comparatively loaded down with trivial details.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

The embodiment of the utility model discloses a straight-through type sealing stop valve.

According to the straight-through type sealing stop valve shown in the attached drawings 1-4, the straight-through type sealing stop valve comprises a stop valve main body 1, wherein a sealing seat 2 is arranged on the upper surface of the stop valve main body 1, the stop valve main body 1 is sealed under the action of a supporting seat 201, the outer surface of the sealing seat 2 is fixedly connected with the supporting seat 201, a sealing block 3 is arranged in the stop valve main body 1, and an air inlet and an air outlet of the stop valve main body 1 are shielded under the action of the sealing block 3, so that the sealing of the stop valve main body 1 is completed, and the effect of controlling air circulation is achieved;

the top of sealing block 3 is provided with adjusting part, adjusting part includes connecting seat 5, sliding connection has sliding seat 302 on the inner wall of connecting seat 5, sliding seat 302's tip and sealing block 3 fixed connection, adjusting part is used for adjusting the extrusion degree to sealing block 3, do not carry out the comprehensive seal to stop valve main part 1 through adjusting sealing block 3, carry out the transmission of air current in the stop valve main part 1 this moment, when air current pressure is too big, can promote sealing block 3 and remove, drive sliding seat 302 under sealing block 3's removal and compress spring 501, through adjusting part, adjust the position of screw sleeve 402, change the extrusion to spring 501, thereby control the extrusion to sliding seat 302 and sealing block 3, change the extrusion to sealing block 3, and then control sealing block 3's removal, adjust the inside steady atmospheric pressure value of stop valve main part 1.

The upper surface fixedly connected with spring 501 of sliding seat 302, spring 501 are in the inside of connecting seat 5, and when air current atmospheric pressure promotes sealing block 3 and sliding seat 302 and removes, sliding seat 302 slides along spring 501, promotes spring 501 compression, under the removal of sealing block 3 this moment for the circulation of air current, avoid the atmospheric pressure too big in the stop valve main part 1.

The upper surface of the spring 501 is fixedly connected with a rotating seat 403, the rotating seat 403 is slidably connected on the inner wall of the connecting seat 5, and when the spring 501 is pressed, the spring 501 is pressed between the sliding seat 302 and the rotating seat 403.

The upper surface rotation of rotating seat 403 is connected with screw sleeve 402, and screw sleeve 402 threaded connection is on the inner wall of connecting seat 5, through rotating screw sleeve 402 for screw sleeve 402 slides along the inner wall of connecting seat 5, promotes to rotate seat 403 and removes, makes spring 501 extrude sliding seat 302, changes the restriction to the inside maximum pressure of stop valve main part 1.

An adjusting screw rod 401 is connected to the inner wall of the threaded sleeve 402 in a threaded manner, and when the threaded sleeve 402 rotates, the threaded sleeve 402 moves along the inner wall of the adjusting screw rod 401.

The adjusting screw 401 is in threaded connection with the inner wall of the supporting seat 201, and the adjusting screw 401 is rotated to enable the adjusting screw 401 to move along the supporting seat 201, drive the threaded sleeve 402 and the connecting seat 5 to move simultaneously, at the moment, the connecting seat 5 slides along the inner wall of the sealing seat 2, and drive the sealing block 3 to move along with the connecting seat, so that the stop valve main body 1 is opened.

One end of the adjusting screw 401 extending upwards through the supporting seat 201 is fixedly connected with a rotating wheel, and the adjusting screw 401 is convenient to rotate under the action of the rotating wheel.

The lower surface of the sealing block 3 is fixedly connected with a plug socket 301, the plug socket 301 is plugged on the inner wall of the stop valve body 1, and the plug socket 301 is plugged in the stop valve body 1, so that the position is relatively stable when the sealing block 3 seals the stop valve body 1.

Working principle: when the plug seat 301 is plugged into the stop valve body 1, the sealing block 3 seals the stop valve body 1 at this time, so that gas transmission through the stop valve body 1 is avoided;

when gas transmission is required, the adjusting screw rod 401 is rotated at the moment, so that the adjusting screw rod 401 moves along the supporting seat 201, the threaded sleeve 402 and the connecting seat 5 are driven to move simultaneously, the connecting seat 5 slides along the inner wall of the sealing seat 2 at the moment, and the sealing block 3 is driven to move along with the connecting seat, so that the stop valve main body 1 is opened;

at this time, the air flow passes through the stop valve main body 1 and is not blocked by the sealing block 3, when the air flow pressure is too high, the sealing block 3 is pushed to move, the sliding seat 302 is driven to move under the movement of the sealing block 3, at this time, the sliding seat 302 slides along the inner wall of the connecting seat 5, and the spring 501 is compressed;

at the moment, under the movement of the sealing block 3, the circulation of air flow is quickened, the excessive air pressure in the stop valve main body 1 is avoided, and when the maximum pressure in the stop valve main body 1 needs to be changed, the air flow can bear;

by rotating the threaded sleeve 402, the threaded sleeve 402 slides along the inner wall of the connecting seat 5, the rotating seat 403 is pushed to move, the spring 501 is made to squeeze the sliding seat 302, when the sliding seat 302 pushes the spring 501, the pressure of air pressure needs to be larger, the limit of the maximum pressure inside the stop valve main body 1 is changed, and the air pressure is limited in the range.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a straight-through type seal stop valve, includes stop valve main part (1), the last surface mounting of stop valve main part (1) has sealing seat (2), the surface fixedly connected with supporting seat (201) of sealing seat (2), the inside of stop valve main part (1) is provided with sealing block (3), its characterized in that: an adjusting component is arranged above the sealing block (3), the adjusting component comprises a connecting seat (5), a sliding seat (302) is connected to the inner wall of the connecting seat (5) in a sliding mode, the end portion of the sliding seat (302) is fixedly connected with the sealing block (3), and the adjusting component is used for adjusting the extrusion degree of the sealing block (3);

the upper surface of the sliding seat (302) is fixedly connected with a spring (501), and the spring (501) is positioned in the connecting seat (5);

the upper surface of the spring (501) is fixedly connected with a rotating seat (403), and the rotating seat (403) is connected to the inner wall of the connecting seat (5) in a sliding way.

2. A straight-through sealing shut-off valve as in claim 1 wherein: the upper surface of the rotating seat (403) is rotationally connected with a threaded sleeve (402), and the threaded sleeve (402) is in threaded connection with the inner wall of the connecting seat (5).

3. A straight-through sealing shut-off valve as in claim 2 wherein: an adjusting screw rod (401) is connected to the inner wall of the threaded sleeve (402) in a threaded mode.

4. A straight-through sealing shut-off valve as in claim 3 wherein: the adjusting screw rod (401) is connected to the inner wall of the supporting seat (201) in a threaded mode.

5. A straight-through sealing shut-off valve as in claim 4 wherein: one end of the adjusting screw rod (401) extending upwards through the supporting seat (201) is fixedly connected with a rotating wheel.

6. A straight-through sealing shut-off valve as in claim 1 wherein: the lower surface of the sealing block (3) is fixedly connected with a socket (301), and the socket (301) is inserted on the inner wall of the stop valve main body (1).