CN219388666U

CN219388666U - Novel cast steel stainless steel soft sealing gate valve

Info

Publication number: CN219388666U
Application number: CN202320265633.XU
Authority: CN
Inventors: 何春焕; 李超; 赵盛兴; 胡建朋
Original assignee: Yuanda Vavle Group Co ltd
Current assignee: Yuanda Vavle Group Co ltd
Priority date: 2023-02-21
Filing date: 2023-02-21
Publication date: 2023-07-21
Anticipated expiration: 2033-02-21

Abstract

The utility model discloses a novel cast steel stainless steel soft sealing gate valve, which comprises: the valve body is internally provided with a rubber flashboard, the upper end of the rubber flashboard is connected with a connecting ring, the inside of the connecting ring is connected with a valve rod in a penetrating way, and the upper end of the valve rod is fixedly connected with a hand wheel; the valve cover is connected to the upper end of the valve body, the outer end surfaces of the valve body and the valve cover are connected with a middle opening gasket, and the outer side of the middle opening gasket is provided with a countersunk head screw; the gland is connected between the valve body and the valve cover, O-shaped grooves are formed in the inner surfaces of the gland and the valve cover, and balls are arranged on the inner sides of the O-shaped grooves; and the mounting holes are respectively formed in the left end face and the right end face of the valve body. This novel cast steel stainless steel's soft sealing gate valve has reduced frictional resistance, can effectively avoid the valve rod wearing and tearing, and is convenient for tear open the valve rod open and trade, has solved the general problem of current soft sealing gate valve junction seal leak protection effect simultaneously.

Description

Novel cast steel stainless steel soft sealing gate valve

Technical Field

The utility model relates to the technical field of soft sealing gate valves, in particular to a novel cast steel stainless steel soft sealing gate valve.

Background

The soft sealing gate valve is an industrial valve, an opening and closing piece of the soft sealing gate valve is a gate plate, the moving direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed, the soft sealing gate valve has no adjusting and throttling effects, the gate plate is provided with two sealing surfaces, and the most common mode is that the two sealing surfaces of the gate plate form a wedge shape;

the utility model provides a one-way soft sealing gate valve of chinese patent grant publication No. CN214305545U, its include soft sealing gate valve body, set up in buffer in the soft sealing gate valve body water inlet, buffer including set up in baffle in the soft sealing gate valve body water inlet, set up in baffle on the baffle stop the speed reduction cover that slows down in the twinkling of an eye of fluid circulation, set up in be used for reducing fluid impact force's filler in the speed reduction cover, set up in the outside overflow plate of baffle, set up in overflow hole on the overflow plate, set up in be used for on the overflow plate with the mounting panel that soft sealing gate valve body water inlet is connected.

However, the above prior art solutions have certain drawbacks, such as: the valve rod and the valve body of the valve are large in rotation resistance, easy to wear after long-time use, inconvenient to detach and change, and meanwhile, the sealing and leakage-preventing effects of the connecting part are general, and certain use defects exist, so that a novel cast steel stainless steel soft sealing gate valve is provided, and the problems in the above are solved.

Disclosure of Invention

The utility model aims to provide a novel cast steel stainless steel soft sealing gate valve, which solves the problems that the existing soft sealing gate valve provided in the background art is large in rotation resistance between a valve rod and a valve body, easy to wear after long-time use, inconvenient to detach and replace and general in sealing and leakage-preventing effects of connecting parts.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel cast steel stainless steel soft sealing gate valve, comprising:

the valve body is internally provided with a rubber flashboard, the upper end of the rubber flashboard is connected with a connecting ring, the inside of the connecting ring is connected with a valve rod in a penetrating way, and the upper end of the valve rod is fixedly connected with a hand wheel;

the valve cover is connected to the upper end of the valve body, the outer end surfaces of the valve body and the valve cover are connected with a middle opening gasket, and the outer side of the middle opening gasket is provided with a countersunk head screw;

the gland is connected between the valve body and the valve cover, O-shaped grooves are formed in the inner surfaces of the gland and the valve cover, and balls are arranged on the inner sides of the O-shaped grooves;

and the mounting holes are respectively formed in the left end face and the right end face of the valve body.

Preferably, the left end face and the right end face of the valve body are fixedly connected with rubber gaskets.

Preferably, the rubber flashboard and the valve body are arranged on the same vertical center line, and the rubber flashboard is connected to the outer side of the valve rod in a sliding manner.

Preferably, the adapter ring and the valve rod form threaded connection.

Preferably, the vertical section of the adapter ring is L-shaped, and the adapter ring is fixedly connected with the rubber flashboard.

Preferably, the countersunk head screw is connected between the valve body and the valve cover and plays a role in sealing.

Preferably, the lower end of the gland is connected with a limiting ring, and the limiting ring is arranged between the valve rod and the valve cover.

Preferably, the gland and the valve cover are rotationally connected with the valve rod through balls, and the gland and the valve cover are connected in a threaded mode.

Compared with the prior art, the utility model has the beneficial effects that: the novel cast steel stainless steel soft sealing gate valve reduces friction resistance, can effectively avoid abrasion of the valve rod, is convenient to detach and replace the valve rod, and solves the problem that the sealing and leakage preventing effects of the connecting part of the existing soft sealing gate valve are common;

1. the valve cover, the balls and the gland are arranged, the O-shaped grooves are formed in the inner surfaces of the gland and the valve cover, the balls are arranged on the inner sides of the O-shaped grooves, sliding friction between the valve rod and the gland and sliding friction between the valve rod and the valve cover are converted into rolling friction by the balls, friction resistance is reduced, abrasion to the valve rod can be reduced, and practicability is better;

2. the gland, the valve cover and the limiting ring are arranged, the gland and the valve cover are separated by rotating the gland anticlockwise, and the limiting ring and the valve rod can be taken out by moving the gland upwards, so that the effect of disassembling the valve cover and the valve rod is achieved, and the valve rod is convenient to disassemble and replace;

3. the valve cover, the valve body and the middle opening gasket are arranged, the valve body and the valve cover are fixedly connected through the middle opening gasket, and due to the fact that the countersunk screw is arranged on the outer side of the middle opening gasket, the middle opening gasket is tightly pressed between the valve body and the valve cover, the effect of increasing the tightness of the connecting part of the valve body and the valve cover is achieved, and the problem that the sealing and leakage-preventing effects of the connecting part of the traditional soft sealing gate valve are general is solved.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic elevational view of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 5 is a schematic side sectional view of the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5C according to the present utility model;

fig. 7 is a schematic side view of the present utility model.

In the figure: 1. a valve body; 2. a rubber flashboard; 3. a linking ring; 4. a valve stem; 5. countersunk head screws; 6. a middle opening gasket; 7. a valve cover; 8. a gland; 9. a hand wheel; 10. an O-shaped groove; 11. a ball; 12. a limiting ring; 13. a mounting hole; 14. and a rubber gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.

Referring to fig. 1-7, the present utility model provides a technical solution: a novel cast steel stainless steel soft sealing gate valve comprises a valve body 1, a rubber flashboard 2, a connecting ring 3, a valve rod 4, countersunk screws 5, a middle opening gasket 6, a valve cover 7, a gland 8, a hand wheel 9, an O-shaped groove 10, balls 11, a limiting ring 12, a mounting hole 13 and a rubber gasket 14;

the inside of the valve body 1 is provided with a rubber flashboard 2, the upper end of the rubber flashboard 2 is connected with a connecting ring 3, the rubber flashboard 2 and the valve body 1 are arranged on the same vertical central line, the inside of the connecting ring 3 is connected with a valve rod 4 in a penetrating way, the upper end of the valve rod 4 is fixedly connected with a hand wheel 9, the upper end of the valve body 1 is connected with a valve cover 7, the outer end surfaces of the valve body 1 and the valve cover 7 are connected with a middle opening gasket 6, the outer side of the middle opening gasket 6 is provided with a countersunk screw 5, and the valve body 1 and the valve cover 7 are fixedly connected through the middle opening gasket 6, and the valve body 1 and the valve cover 7 are connected between the valve body 1 and the valve cover 7 through the countersunk screw 5, so that the sealing performance of the connecting part of the valve body 1 and the valve cover 7 is increased;

be connected with gland 8 between valve body 1 and the valve gap 7, as shown in fig. 1 and 2, the lower extreme of gland 8 is connected with spacing ring 12, and spacing ring 12 sets up between valve rod 4 and valve gap 7, mounting hole 13 has all been seted up to the left and right sides terminal surface of valve body 1, and the left and right sides terminal surface of valve body 1 is fixedly connected with rubber packing 14, because gland 8 and valve gap 7 all constitute through ball 11 and valve rod 4 and rotate and be connected, and the connected mode between gland 8 and the valve gap 7 is threaded connection, because spacing ring 12 plays spacing effect to valve rod 4, anticlockwise rotatory gland 8 makes gland 8 and valve gap 7 separation, upwards move gland 8, can take out spacing ring 12 and valve rod 4, and then reach split valve gap 7 and valve rod 4's effect.

When the novel cast steel stainless steel soft sealing gate valve is used, as shown in figures 1, 5 and 7, the rubber flashboard 2 is slidably connected to the outer side of the valve rod 4, the adapter ring 3 is fixedly connected with the rubber flashboard 2, the vertical section of the adapter ring 3 is L-shaped, the adapter ring 3 and the valve rod 4 form threaded connection, the valve rod 4 is controlled to rotate on the inner side of the gland 8 and the valve cover 7 by rotating the hand wheel 9 clockwise, so that the rubber flashboard 2 and the adapter ring 3 move upwards on the outer side of the valve rod 4, and the internal flow passage of the valve body 1 is opened;

as shown in fig. 1, 5 and 6, the O-shaped grooves 10 are formed on the inner surfaces of the gland 8 and the valve cover 7, and the balls 11 are arranged on the inner sides of the O-shaped grooves 10, so that sliding friction between the valve rod 4 and the gland 8 and sliding friction between the valve rod 4 and the valve cover 7 are converted into rolling friction by the balls 11, and abrasion to the valve rod 4 is reduced, and the novel cast steel stainless steel soft sealing gate valve is a use method.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A novel cast steel stainless steel soft sealing gate valve is characterized in that: comprising the following steps:

2. The soft sealing gate valve made of novel cast steel stainless steel according to claim 1, wherein: rubber washers are fixedly connected to the left end face and the right end face of the valve body.

3. The soft sealing gate valve made of novel cast steel stainless steel according to claim 1, wherein: the rubber flashboard and the valve body are arranged on the same vertical center line, and the rubber flashboard is connected to the outer side of the valve rod in a sliding manner.

4. The soft sealing gate valve made of novel cast steel stainless steel according to claim 1, wherein: the adapter ring is in threaded connection with the valve rod.

5. The soft sealing gate valve made of novel cast steel stainless steel according to claim 4, wherein: the vertical section of the linking ring is L-shaped, and the linking ring is fixedly connected with the rubber flashboard.

6. The soft sealing gate valve made of novel cast steel stainless steel according to claim 1, wherein: the countersunk head screw is connected between the valve body and the valve cover and plays a role in sealing.

7. The soft sealing gate valve made of novel cast steel stainless steel according to claim 1, wherein: the lower extreme of gland is connected with the spacing ring, and the spacing ring sets up between valve rod and valve gap.

8. The soft sealing gate valve made of novel cast steel stainless steel according to claim 7, wherein: the gland and the valve cover are rotationally connected with the valve rod through balls, and the gland and the valve cover are connected in a threaded mode.