CN211288917U - Groove type elastic seat sealing gate valve - Google Patents

Abstract

The utility model discloses a slot type elasticity seat sealing gate valve, which comprises a valve body, the valve body is fixed to be cylindric, the both sides surface of valve body is the fixed sealing washer that is provided with respectively, and the sealing washer is fixed in the surface of valve body one side and is provided with two, the pipe shaft middle part top fixedly connected with valve pipe of valve body, the valve pipe sets up to flat pipe, the upper end position fixedly connected with of valve pipe changes the piece, the inside of changeing rotates and is connected with the threaded rod, the upper end fixedly connected with of threaded rod rotates the round handle, the lower surface that the lower extreme of threaded rod runs through the piece rotates the inside of connecting at the valve plate, the lower surface of valve plate is laminated with the inside basal surface of. The utility model discloses in, connecting groove establishes two sets of four, and the inside sealing washer that is equipped with of slot realizes the double-deck sealed operation of connecting, and the valve plate surface is equipped with the butadiene acrylonitrile rubber layer, and the valve body basal surface is established to smooth, guarantees that inside can not produce the mud and pile up stifled while, guarantees the closure between the valve plate opens and shuts.

Description

Groove type elastic seat sealing gate valve

Technical Field

The utility model relates to a gate valve field especially relates to a slot type elastic seat sealing gate valve.

Background

The gate valve is an opening and closing piece gate plate, the movement direction of the gate plate is perpendicular to the fluid direction, the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled, the gate valve is sealed through contact of a valve seat and the gate plate, usually, a sealing surface can be subjected to surfacing welding of metal materials to increase abrasion resistance, such as surfacing welding of 1Cr13, STL6, stainless steel and the like, the gate plate is provided with a rigid gate plate and an elastic gate plate, and the gate valve is divided into the rigid gate valve and the elastic gate valve according to different gate plates.

General rigidity gate valve because the comparatively slabby reason of structure, the absolute closure that opens and shuts of can not necessarily guaranteeing, the inside sealed operation of valve plate for the cooperation of gate valve is provided with the valve plate groove that corresponds in that the valve body is inside, although can guarantee the seal effect under the connected state, but the phenomenon of sediment can appear in the inside in groove, general groove type connection is provided with one slot, the closure that can certainly guarantee the butt joint position.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a groove type elastic seat sealing gate valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a slot type elasticity seat sealing gate valve, includes the valve body, the valve body is fixed to be cylindric, the both sides surface difference fixed sealing washer of valve body is provided with, and the sealing washer is fixed in the surface of valve body one side and is provided with two, pipe shaft middle part position top fixedly connected with valve pipe of valve body, the valve pipe sets up to flat pipe, the upper end position fixedly connected with of valve pipe changes the piece, the inside of changeing is rotated and is connected with the threaded rod, the upper end fixedly connected with of threaded rod rotates the round handle, the lower extreme of threaded rod runs through the lower surface rotation who changes the piece and connects the inside at the valve plate, the lower surface of valve plate laminates mutually with the inside.

As a further description of the above technical solution:

the fixed connecting groove that is provided with of surface one side of valve body, connecting groove is fixed to be provided with two in surface one side of valve body, and the sealing washer corresponds the cover and puts the inside of connecting at connecting groove, the both ends structure of valve body sets up to the same.

As a further description of the above technical solution:

the valve comprises a valve plate, a valve pipe and a valve body, wherein the valve pipe is fixedly provided with a butt joint part in the valve pipe, the lower part of the butt joint part penetrates through the inside of the valve body, cushion blocks are fixedly arranged on two sides of the joint part and the two sides of the joint position of the valve body respectively, and the cushion blocks are attached to the surfaces of the two sides of the valve plate.

As a further description of the above technical solution:

the fixed screw thread post that is provided with in inside top middle part position of valve plate, the screw thread post correspond with the threaded rod and rotate and be connected, the degree of depth setting of screw thread post is less than the pole length of threaded rod in the valve pipe is inside.

As a further description of the above technical solution:

the rotating piece is fixedly connected to the upper end surface of the valve pipe, the inner center of the rotating piece is connected with the threaded rod in a rotating mode, the height of the rotating piece for fixing the threaded rod is large, and the threaded rod is arranged to be a smooth round rod from the bottom surface of the rotating piece to the end portion of the rotating piece.

As a further description of the above technical solution:

the lower surface of valve plate sets up to the arc, and the arc radius sets up the internal diameter the same with the valve body, the fixed surface laminating of valve plate is connected with the butadiene acrylonitrile rubber layer.

The utility model discloses following beneficial effect has:

1. the utility model discloses structure surface one side connecting groove is fixed to be provided with two, and two inside all fixed sealing washers that are provided with of slot to realize the double-deck sealed operation that both sides are connected, thereby guarantee the leakproofness of connection.

2. The utility model discloses structure valve plate fixed surface is provided with the butadiene acrylonitrile rubber layer, and the inside basal surface of valve body sets up to smooth to when guaranteeing that inside can not produce the mud dirt and pile stifled, guarantee the closure between the valve plate opens and shuts.

3. The utility model discloses the structure rotates the lift part and sets up to the dock, when the rotation control valve plate opened and shut, rotates the round handle height unchangeable to guarantee that the holistic shared space of valve can not the grow, can not appear the phenomenon of contradiction in narrow and small space.

Drawings

FIG. 1 is a side view of a grooved elastomeric seat sealing gate valve;

FIG. 2 is a side sectional view of a grooved elastomeric seat sealing gate valve;

fig. 3 is a schematic view of a valve plate structure of a groove type elastic seat sealing gate valve.

Illustration of the drawings:

1. a valve body; 2. a valve tube; 3. rotating the workpiece; 4. a threaded rod; 5. rotating the round handle; 6. a seal ring; 7. a connecting groove; 8. a valve plate; 9. a threaded barrel; 10. a docking portion; 11. a layer of nitrile rubber; 12. and a cushion block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a groove type elastic seat sealing gate valve comprises a valve body 1, wherein the valve body 1 is fixedly arranged into a cylindrical shape, sealing rings 6 are fixedly arranged on the outer surfaces of two sides of the valve body 1 respectively, the sealing performance of a connecting position is improved, two sealing rings 6 are fixedly arranged on one side of the outer surface of the valve body 1, double-layer sealing operation is guaranteed, a valve pipe 2 is fixedly connected above the middle position of a pipe body of the valve body 1, the valve pipe 2 is arranged into a flat pipe, a premise is provided for the valve plate 8 to move up and down, a rotating piece 3 is fixedly connected to the upper end position of the valve pipe 2, a threaded rod 4 is rotatably connected inside the rotating piece 3, the up and down movement operation of the valve plate 8 is realized, a rotating round handle 5 is fixedly connected to the upper end of the threaded rod 4, the manual rotating position is realized, the lower end of the threaded rod, the bottom tightness when closing is guaranteed.

One side of the outer surface of the valve body 1 is fixedly provided with two connecting grooves 7, the two connecting grooves 7 are fixedly arranged on one side of the outer surface of the valve body 1, the sealing rings 6 are correspondingly sleeved and connected inside the connecting grooves 7 to provide groove butt joint positions of the pipe body, the two end structures of the valve body 1 are the same, the valve pipe 2 is fixedly provided with a butt joint part 10, the lower part of the butt joint part 10 penetrates into the valve body 1, the two sides of the joint part 10 and the valve body 1 are respectively and fixedly provided with cushion blocks 12 to increase the sealing performance of relative movement between the valve plate 8 and the valve body 1, the cushion blocks 12 are attached to the surfaces of the two sides of the valve plate 8, the middle part of the upper part inside of the valve plate 8 is fixedly provided with a threaded cylinder 9, the threaded cylinder 9 is rotatably connected with the threaded rod 4 correspondingly, the depth of the threaded cylinder 9 is smaller than the rod length of the, change 3 fixed connection at the upper end surface of valve pipe 2, the inside central point that changes 3 puts and rotates with threaded rod 4 and be connected, and change 3 fixed threaded rod 4 of piece high, threaded rod 4 sets up to smooth round bar to the tip of itself at the basal surface that changes 3, avoid the screw thread to cause the damage to commentaries on classics 3, the lower surface of valve plate 8 sets up to the arc, and the radius of arc sets up the internal diameter the same with valve body 1, guarantee the sealed butt joint of lower part, the fixed surface laminating of valve plate 8 is connected with nitrile rubber layer 11, it is sealed to increase elasticity, sealing performance is guaranteed.

The working principle is as follows: when carrying out slot type gate valve installation operation, can put the both sides tip position at valve body 1 through the body cover of both sides, carry out the butt joint operation with connecting groove 7 on the valve body 1, connecting groove 7 is inside to be fixed and is provided with sealing washer 6, thereby through the compression of body with connecting groove 7, realize hookup location's leakproofness, valve body 1 is inside to be fixed to set up to level and smooth, can guarantee inside can not long-pending dirt, the surface correspondence of valve plate 8 is provided with high strength butadiene acrylonitrile rubber layer 11, thereby ensure the closure that opens and shuts of valve plate 8, upper portion bull stick part divide into two parts of threaded rod 4 and screwed pipe 9, thereby it can not produce the altitude variation to ensure to rotate the circle 5 when rotating, increase the simplicity that opens and shuts.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a slot type elastic seat sealing gate valve, includes valve body (1), its characterized in that: the fixed setting of valve body (1) is cylindric, the both sides surface of valve body (1) is the fixed sealing washer (6) that is provided with respectively, and sealing washer (6) is fixed in surface one side of valve body (1) and is provided with two, pipe shaft middle part top fixedly connected with valve pipe (2) of valve body (1), valve pipe (2) set up to flat pipe, the upper end position fixedly connected with of valve pipe (2) changes piece (3), the inside of changing piece (3) rotates and is connected with threaded rod (4), the upper end fixedly connected with of threaded rod (4) rotates circle (5), the lower extreme of threaded rod (4) runs through the lower surface rotation who changes piece (3) and connects in the inside of valve plate (8), the lower surface of valve plate (8) is laminated with the inside basal surface of valve body (1) mutually.

2. The gate valve of claim 1, wherein: the fixed connecting groove (7) that is provided with in surface one side of valve body (1), connecting groove (7) are fixed in surface one side of valve body (1) and are provided with two, and sealing washer (6) correspond the cover and put the inside of connecting at connecting groove (7), the both ends structure of valve body (1) sets up to the same.

3. The gate valve of claim 1, wherein: the fixed butt joint portion (10) that is provided with in inside of valve pipe (2), the below of butt joint portion (10) runs through to the inside of valve body (1), butt joint portion (10) and valve body (1) hookup location both sides are fixed respectively and are provided with cushion (12), and the both sides surface of cushion (12) and valve plate (8) is laminated mutually.

4. The gate valve of claim 1, wherein: the valve plate is characterized in that a threaded cylinder (9) is fixedly arranged in the middle of the upper portion of the valve plate (8), the threaded cylinder (9) is connected with a threaded rod (4) in a rotating mode, and the depth of the threaded cylinder (9) is smaller than the rod length of the threaded rod (4) in the valve pipe (2).

5. The gate valve of claim 1, wherein: change an (3) fixed connection and be connected at the upper end surface of valve pipe (2), the inside central point that changes a (3) puts and rotates with threaded rod (4) and is connected, and changes the place height of a (3) fixed threaded rod (4), threaded rod (4) are changing the basal surface of a (3) and are setting up to smooth round bar to self tip.

6. The gate valve of claim 1, wherein: the lower surface of valve plate (8) sets up to the arc, and the arc radius sets up the internal diameter the same with valve body (1), the fixed surface laminating of valve plate (8) is connected with butadiene acrylonitrile rubber layer (11).

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