CN216812871U

CN216812871U - Stainless steel stop valve

Info

Publication number: CN216812871U
Application number: CN202220011241.6U
Authority: CN
Inventors: 郑锦
Original assignee: Shandong Jinyuan Valve Technology Co ltd
Current assignee: Shandong Jinyuan Valve Technology Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-06-24
Anticipated expiration: 2032-01-04

Abstract

The utility model relates to the technical field of stop valves, in particular to a stainless steel stop valve. The technical scheme comprises the following steps: the valve body and the fixing base, the fixing base is installed at the valve body top, the upper cover is installed through the connecting screw at the fixing base top, the pivot has been cup jointed in the middle of the upper cover is inside, the displacement seat is installed through the bearing in the pivot bottom, the spacer is installed to the inside intermediate position department of valve body, spacer one side position department is equipped with feed liquor hole A, the spacer deviates from feed liquor hole A one side and is equipped with feed liquor hole B. The utility model solves the problems that the sealing mechanism of the existing device is easy to wear after long-time use, needs to be integrally replaced, has high use cost and poor use economy, adopts a single sealing plug and a liquid inlet hole, is easy to leak after the sealing plug is worn and has poor stopping effect, reduces the probability of liquid leakage and further improves the stopping effect of the stop valve.

Description

Stainless steel stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a stainless steel stop valve.

Background

The stop valve is also called a gate valve and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod bending can occur. The connection mode is divided into three types: flange connection, screw thread connection and welding connection. After the self-sealing valve appears, the medium flow direction of the stop valve is changed to enter the valve cavity from the upper part of the valve clack, at this time, under the action of medium pressure, the force for closing the valve is small, the force for opening the valve is large, and the diameter of the valve rod can be correspondingly reduced.

Through the massive search, the stainless steel stop valve disclosed as the publication number CN213628896U of the stainless steel stop valve in the prior art is found to have a simple structure, can effectively eliminate the hidden danger of breakage of the valve rod caused by external force collision, and can not leak water when in use.

The existing stop valve is easy to wear after a sealing mechanism is used for a long time, needs to be integrally replaced, is high in use cost and poor in economical efficiency, and is mostly arranged by adopting a single sealing plug and a liquid inlet hole, leakage is easy to occur after the sealing plug is worn, and the stop effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stainless steel stop valve which has the advantage of double stopping and solves the problems that a sealing mechanism of the existing device is easy to wear after being used for a long time, needs to be integrally replaced, is high in use cost and poor in economical use, and due to the fact that a single sealing plug and a liquid inlet hole are arranged more, leakage is easy to occur after the sealing plug is worn, and the stopping effect is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stainless steel stop valve, includes valve body and fixing base, wherein the fixing base is installed at the valve body top, the upper cover is installed through the connecting screw in the fixing base top, the pivot has been cup jointed in the middle of the upper cover is inside, the displacement seat is installed through the bearing in the pivot bottom, the inside intermediate position department of valve body installs the spacer, spacer one side position department is equipped with feed liquor hole A, the spacer deviates from feed liquor hole A one side and is equipped with feed liquor hole B, displacement seat bottom is located feed liquor hole A internal surface and installs through the bracing piece and block up B, displacement seat bottom is located feed liquor hole B internal surface and installs through the bracing piece and block up A.

Preferably, the connecting seats are installed at positions on two sides of the valve body, the sealing strips are installed at positions on two sides of the inner surface of the valve body, and the connecting positions of the valve body and the pipeline are sealed by the sealing strips.

Preferably, a sealing gasket is installed at the gap position between the fixed seat and the upper cover, and the joint of the upper cover is sealed by the sealing gasket.

Preferably, the sealing ring is arranged on the outer surface of the rotating shaft inside the upper cover, and the connecting position of the rotating shaft is sealed by the sealing ring.

Preferably, the rotating shaft is connected with the upper cover in a screwing mode through threads, and the rotating shaft in the screwing mode is convenient for driving the displacement seat to move upwards and descend.

Preferably, the top of the rotating shaft is provided with a wheel disc, and the rotating shaft is convenient to rotate by arranging the wheel disc.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model achieves the effect of double stopping of liquid transmission by arranging the liquid inlet hole A, the liquid inlet hole B, the plug A and the plug B, the spacer is arranged at the middle position inside the valve body, the liquid inlet hole A is arranged at the position of one side of the spacer, the liquid inlet hole B is arranged at the side of the spacer, which is far away from the liquid inlet hole A, the plug B is arranged at the bottom of the displacement seat, which is positioned at the inner surface of the liquid inlet hole A, through the supporting rod, and the plug A is arranged at the bottom of the displacement seat, which is positioned at the inner surface of the liquid inlet hole B, through the supporting rod.

2. The utility model achieves the effect of convenient maintenance and replacement of the stop valve by arranging the connecting screw, the fixed seat and the upper cover, the upper cover is arranged at the top of the fixed seat by the connecting screw, the rotating shaft is sleeved in the middle inside the upper cover, and the displacement seat is arranged at the bottom of the rotating shaft by the bearing, so that the problems that the sealing mechanism is easy to wear after being used for a long time, the sealing mechanism needs to be integrally replaced, the use cost of the stop valve is high, the use economy is poor are solved, the maintenance convenience of the stop valve is improved, and the use economy of the stop valve is improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

fig. 3 is an enlarged structural diagram of a in fig. 2.

Reference numerals: 1. a valve body; 2. a fixed seat; 3. a connecting seat; 4. a sealing strip; 5. a connecting screw; 6. a rotating shaft; 7. an upper cover; 8. a wheel disc; 9. a liquid inlet hole A; 10. a displacement seat; 11. a liquid inlet hole B; 12. plugging A; 13. a seal ring; 14. a gasket; 15. a spacer seat; 16. and (5) plugging the plug B.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 3, in order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a stainless steel stop valve, including valve body 1 and fixing base 2, fixing base 2 is installed at 1 top of valve body, upper cover 7 is installed through connecting screw 5 at 2 tops of fixing base, 7 inside middle cup joints of upper cover have a

pivot

6, 6 bottoms of pivot are installed displacement seat 10 through the bearing, 1 inside intermediate position department of valve

body installs spacer

15, 15 one side position departments of spacer are equipped with feed liquor hole A9, spacer 15 deviates from feed liquor hole A9 one side and is equipped with feed liquor hole B11, 10 bottoms of displacement seat are located feed liquor hole A9 internal surface and install stifled B16 of stopper through the bracing piece, 10 bottoms of displacement seat are located feed liquor hole B11 internal surface and install stifled A12 of stopper through the bracing piece, 7 inside 6 outer surface mounting in pivot of upper cover has sealing washer 13, pivot 6 closes through the screw with upper cover 7 soon to be connected, 6 top mounting rim plates 8 at the pivot.

The working principle of the stainless steel stop valve based on the embodiment 1 is as follows: after the device is installed, when fluid needs to be stopped, the wheel disc 8 is rotated, the rotating shaft 6 is driven to rotate through the wheel disc 8, the displacement seat 10 is driven to move downwards through the rotating shaft 6, the plug A12 and the plug B16 are driven to move downwards through the displacement seat 10, the liquid inlet hole A9 and the liquid inlet hole B11 are blocked through the plug A12 and the plug B16, when the valve body 1 needs to be maintained, the connecting screw 5 is detached, the upper cover 7 is taken down, and the plug A12 and the plug B16 are replaced, so that the working flow of the device is completed.

Example two

As shown in fig. 1-3, compared to the first embodiment, the stainless steel stop valve of the present invention further includes: the connecting seat 3 is installed at the position of the two sides of the valve body 1, the sealing strip 4 is installed at the position of the two sides of the inner surface of the valve body 1, and the sealing gasket 14 is installed at the gap position between the fixing seat 2 and the upper cover 7.

In the embodiment, when the valve is used and installed, the valve is connected with a pipeline through the connecting seats 3 on two sides, the joint of the valve body 1 and the pipeline is sealed through the sealing strip 4, liquid leakage at the joint of the pipeline is prevented, and meanwhile, the joint of the upper cover 7 is sealed through the arranged sealing gasket 14.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides a stainless steel stop valve, includes valve body (1) and fixing base (2), its characterized in that: fixing base (2) are installed at valve body (1) top, upper cover (7) are installed through connecting screw (5) at fixing base (2) top, upper cover (7) have cup jointed pivot (6) in the middle of inside, displacement seat (10) are installed through the bearing in pivot (6) bottom, valve body (1) inside intermediate position department installs and separates seat (15), it is equipped with feed liquor hole A (9) to separate seat (15) one side position department, it is equipped with feed liquor hole B (11) to separate seat (15) to deviate from feed liquor hole A (9) one side, displacement seat (10) bottom is located feed liquor hole A (9) internal surface and installs through the bracing piece and blocks up B (16), displacement seat (10) bottom is located feed liquor hole B (11) internal surface and installs through the bracing piece and blocks up A (12).

2. A stainless steel shut-off valve according to claim 1, characterized in that: the connecting seat (3) is installed at the positions of the two sides of the valve body (1), and the sealing strips (4) are installed at the positions of the two sides of the inner surface of the valve body (1).

3. A stainless steel shut-off valve according to claim 1, characterized in that: and a sealing gasket (14) is arranged at the gap position between the fixed seat (2) and the upper cover (7).

4. A stainless steel shut-off valve according to claim 1, characterized in that: and a sealing ring (13) is arranged on the outer surface of the rotating shaft (6) in the upper cover (7).

5. A stainless steel shut-off valve according to claim 1, characterized in that: the rotating shaft (6) is connected with the upper cover (7) in a screwing mode through threads.

6. A stainless steel shut-off valve according to claim 1, characterized in that: and a wheel disc (8) is arranged at the top of the rotating shaft (6).