CN219639625U

CN219639625U - Gate valve structure of high pressure resistant

Info

Publication number: CN219639625U
Application number: CN202321274463.8U
Authority: CN
Inventors: 邱爱春; 王跃; 朱晓莉
Original assignee: Taizhou En Great Precision Machinery Co ltd
Current assignee: Taizhou En Great Precision Machinery Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-09-05
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a high-pressure-resistant gate valve structure, which relates to the technical field of gate valves, and aims at the problems that in the use process of the existing gate valve, a valve rod is easy to be influenced by external factors to rotate, the use effect is influenced, and when the gate valve is connected with a pipeline, the gate valve is usually connected and fixed with a plurality of bolts through a flange, and the connection and the fixation are complex, the scheme is now provided as follows: the valve comprises a gate valve body and a connecting pipe, wherein a valve rod is arranged on the gate valve body; the gate valve is characterized in that a fixed disc is fixedly arranged on the gate valve body, a clamping block is fixedly sleeved on the outer side of the valve rod, and a threaded shaft is rotatably arranged on the clamping block. The valve rod positioning device is reasonable in structural design, can conveniently position the valve rod, avoids the valve rod rotating under the action of external force to influence the normal use of the gate valve body, can conveniently realize the butt joint fixation between the gate valve body and the connecting pipe, and is convenient and quick in butt joint operation.

Description

Gate valve structure of high pressure resistant

Technical Field

The utility model relates to the technical field of gate valves, in particular to a high-pressure-resistant gate valve structure.

Background

The gate valve is a shutter, the moving direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate valve is sealed by contact between the valve seat and the gate plate, and typically the sealing surface will be clad with a metal material to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is provided with a rigid gate plate and an elastic gate plate, the gate valve is divided into a rigid gate valve and an elastic gate valve according to different gate plates, most gate valves are made of alloy steel, and the gate valve has good high pressure resistance.

However, in the use process of the existing gate valve, the valve rod is easily influenced by external factors to rotate, so that the use effect is influenced, and when the gate valve is connected with a pipeline, the gate valve is usually connected and fixed with a plurality of bolts through flanges, so that the connection and fixation operation is complicated.

Disclosure of Invention

The utility model aims to solve the defects that in the use process of the existing gate valve, a valve rod is easy to rotate under the influence of external factors, the use effect is influenced, and when the gate valve is connected with a pipeline, the gate valve is usually connected and fixed with a plurality of bolts through a flange, and the connection and the fixation are complex, so that the high-pressure-resistant gate valve structure is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a high pressure resistant gate valve structure comprising:

the valve comprises a gate valve body and a connecting pipe, wherein a valve rod is arranged on the gate valve body;

the gate valve comprises a gate valve body, a valve rod, a clamping rod, a positioning shaft, a clamping rod and a clamping rod, wherein the fixing plate is fixedly arranged on the gate valve body;

the outside of gate valve body rotates the cover and is equipped with the cover dish, the inboard of cover dish is fixed and is provided with a plurality of fixture blocks, a plurality of draw-in grooves have been seted up to the outside of connecting pipe, the fixed card axle that is provided with on the gate valve body, the slip is provided with the sliding tray in the card axle, the fixed reset spring that is provided with on the sliding tray, reset spring is fixed to be set up on the inner wall of card axle, the fixed T type strip that is provided with on the sliding tray, the T type strip stretches to outside the card axle and peg graft in the cover dish.

In a preferred embodiment, a plurality of positioning grooves distributed in an annular array are formed in the outer side of the fixed disc, and the positioning shaft is matched with the positioning grooves.

In a preferred embodiment, a sliding shaft is fixedly arranged on the clamping strip, and the sliding shaft is connected in the clamping block in a sliding manner.

In a preferred embodiment, a plurality of the clamping grooves are all L-shaped.

In a preferred embodiment, a limiting shaft is fixedly arranged in the clamping shaft, and the sliding disc is sleeved on the outer side of the limiting shaft in a sliding mode.

In a preferred embodiment, an opening is formed in the outer side of the clamping shaft, and the T-shaped strip is located in the opening.

According to the high-pressure-resistant gate valve structure, through the joint cooperation of the fixed disc, the clamping block, the threaded shaft, the clamping block, the positioning shaft and the plurality of positioning grooves which are arranged in the annular array and are arranged on the outer side of the fixed disc, the problem that the valve rod rotates under the action of external force to influence the normal use of a gate valve body can be avoided;

according to the high-pressure-resistant gate valve structure, the butt joint fixation between the gate valve body and the connecting pipe can be conveniently realized through the joint coordination of the sleeve disc, the clamping blocks, the clamping grooves, the clamping shafts, the sliding disc, the reset spring and the T-shaped strips, wherein the clamping grooves are formed in the L shape, and the clamping shafts are formed in the outer side of the connecting pipe;

the valve rod positioning device is reasonable in structural design, can conveniently position the valve rod, avoids the valve rod rotating under the action of external force to influence the normal use of the gate valve body, can conveniently realize the butt joint fixation between the gate valve body and the connecting pipe, and is convenient and quick in butt joint operation.

Drawings

Fig. 1 is a schematic perspective view of a high pressure resistant gate valve structure according to the present utility model;

fig. 2 is a schematic perspective view of a high pressure resistant gate valve structure according to the present utility model;

fig. 3 is a schematic structural diagram of a portion a of a gate valve structure with high pressure resistance according to the present utility model;

fig. 4 is a schematic structural diagram of a portion B of a high pressure resistant gate valve structure according to the present utility model.

In the figure: 1. a gate valve body; 2. a connecting pipe; 3. a fixed plate; 4. a clamping block; 5. a threaded shaft; 6. clamping strips; 7. a slide shaft; 8. positioning a shaft; 9. a positioning groove; 10. a sleeve disk; 11. a clamping block; 12. a clamping groove; 13. a clamping shaft; 14. a sliding plate; 15. a limiting shaft; 16. a return spring; 17. t-shaped strip.

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.

Referring to fig. 1-4, one embodiment of the present solution provides: a high pressure resistant gate valve structure comprising:

the gate valve comprises a gate valve body 1 and a connecting pipe 2, wherein a valve rod is arranged on the gate valve body 1;

the gate valve comprises a gate valve body 1, a fixed disc 3, a clamping block 4, a threaded shaft 5, a clamping strip 6, a positioning shaft 8 and a positioning shaft 8, wherein the fixed disc 3 is fixedly arranged on the gate valve body 1;

the outside of gate valve body 1 rotates the cover and is equipped with cover dish 10, and the inboard of cover dish 10 is fixed to be provided with a plurality of fixture blocks 11, and a plurality of draw-in grooves 12 have been seted up in the outside of connecting pipe 2, is fixed to be provided with on gate valve body 1 and blocks axle 13, and the inside sliding of card axle 13 is provided with slide plate 14, is fixed to be provided with reset spring 16 on slide plate 14, and reset spring 16 is fixed to be set up on the inner wall of card axle 13, is fixed to be provided with T type strip 17 on slide plate 14, and T type strip 17 stretches out outside the card axle 13 and peg graft in cover dish 10.

Referring to fig. 3, in this embodiment, a plurality of positioning slots 9 arranged in an annular array are formed on the outer side of the fixing plate 3, and the positioning shaft 8 is adapted to the positioning slots 9, so that the positioning shaft 8 can be conveniently inserted and fixed.

Referring to fig. 3, in this embodiment, a sliding shaft 7 is fixedly disposed on the clamping strip 6, and the sliding shaft 7 is slidably connected in the clamping block 4, so as to play a limiting role on the clamping strip 6.

Referring to fig. 2, in this embodiment, the plurality of clamping grooves 12 are all L-shaped, so that the clamping block 4 can be conveniently clamped into the clamping groove 12.

Referring to fig. 4, in this embodiment, a limiting shaft 15 is fixedly disposed in the clamping shaft 13, and a sliding disc 14 is slidably sleeved on the outer side of the limiting shaft 15, so as to limit the sliding disc 14.

Referring to fig. 4, in this embodiment, an opening is formed on the outer side of the clamping shaft 13, and the T-shaped bar 17 is located in the opening, so that the T-shaped bar 17 can be conveniently extended out of the clamping shaft 13.

The working principle is that when the gate valve body 1 is used, firstly, the threaded shaft 5 can be rotated firstly, the threaded shaft 5 can drive the clamping strips 6 to move, the positioning shaft 8 can slide out of the corresponding positioning groove 9, the positioning of the valve rod can be released, then the valve rod can be rotated, the valve plate in the gate valve body 1 is adjusted, after the adjustment is finished, the threaded shaft 5 can be rotated reversely, the clamping strips 6 can drive the positioning shaft 8 to reset and move and slide into the corresponding positioning groove 9, the positioning of the valve rod can be realized, the normal use of the gate valve body 1 is prevented from being influenced by the rotation of the valve rod due to the action of external force, and when the gate valve body 1 and the connecting pipe 2 are in butt joint, the T-shaped strips 17 can be pulled out of the sleeve disc 10 firstly, the gate valve body 1 and the connecting pipe 2 can be in butt joint with the corresponding clamping grooves 12 through the sliding disc 14, then the sleeve disc 10 can be rotated, the gate valve body 1 and the connecting pipe 2 can be in butt joint, the plurality of clamping blocks 11 can be slid into the corresponding clamping grooves 12, then the sleeve disc 10 can be rotated, then the T-shaped strips 17 can be released, the T-shaped strips 17 can be conveniently inserted into the gate valve body 1 through the elastic reset springs 16, and the T-shaped strips 17 can be conveniently and inserted into the connecting pipe 2 to be in the connecting pipe for fixing the gate valve body to be in a butt joint, and the joint between the gate valve body and the connecting pipe can be conveniently and deformed.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A high pressure resistant gate valve structure comprising:

the gate valve comprises a gate valve body (1) and a connecting pipe (2), wherein a valve rod is arranged on the gate valve body (1);

a fixed disc (3) is fixedly arranged on the gate valve body (1), a clamping block (4) is fixedly sleeved on the outer side of the valve rod, a threaded shaft (5) is rotatably arranged on the clamping block (4), a clamping strip (6) is sleeved on the outer side of the threaded shaft (5) in a threaded manner, a positioning shaft (8) is fixedly arranged on the clamping strip (6), and the positioning shaft (8) is movably inserted on the fixed disc (3);

the outside of gate valve body (1) rotates the cover and is equipped with cover dish (10), the inboard of cover dish (10) is fixed and is provided with a plurality of fixture blocks (11), a plurality of draw-in grooves (12) have been seted up in the outside of connecting pipe (2), fixed being provided with on gate valve body (1) card axle (13), the interior slip of card axle (13) is provided with sliding tray (14), fixed being provided with reset spring (16) on sliding tray (14), reset spring (16) are fixed to be set up on the inner wall of card axle (13), fixed being provided with T type strip (17) on sliding tray (14), T type strip (17) stretch to outside card axle (13) and peg graft in cover dish (10).

2. The high pressure resistant gate valve structure of claim 1, wherein: the outside of fixed disk (3) has seted up a plurality of constant head tanks (9) that are annular array and arrange, location axle (8) with constant head tank (9) looks adaptation.

3. The high pressure resistant gate valve structure of claim 1, wherein: the clamping strip (6) is fixedly provided with a sliding shaft (7), and the sliding shaft (7) is in sliding connection with the clamping block (4).

4. The high pressure resistant gate valve structure of claim 1, wherein: the clamping grooves (12) are all L-shaped.

5. The high pressure resistant gate valve structure of claim 1, wherein: the clamping shaft (13) is internally and fixedly provided with a limiting shaft (15), and the sliding disc (14) is sleeved on the outer side of the limiting shaft (15) in a sliding mode.

6. The high pressure resistant gate valve structure of claim 1, wherein: an opening is formed in the outer side of the clamping shaft (13), and the T-shaped strip (17) is located in the opening.