CN219796157U

CN219796157U - Gate valve

Info

Publication number: CN219796157U
Application number: CN202321215103.0U
Authority: CN
Inventors: 孟宪亭
Original assignee: Tianjin Liangvalve Technology Co ltd
Current assignee: Tianjin Liangvalve Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-10-03
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a gate valve, and relates to the technical field of gate valve devices; the gate valve comprises a gate valve body, a receiving cavity is fixedly formed in the surface of the gate valve body, a sleeve is fixedly arranged at the top end of the receiving cavity, a threaded rod is inserted into the sleeve through internal threads, a turntable is fixedly arranged at the top end of the threaded rod, the surface of the threaded rod is positioned in the sleeve and is rotationally connected with a fixed ring, a positioning block is movably arranged in the fixed ring, the positioning block is movably inserted into the sleeve, the threaded rod can be rotated in the sleeve through rotating the turntable, so that a valve plate can be driven to ascend, the gate valve can be opened, when the threaded rod ascends, the fixed ring can be driven to ascend, the positioning block can be moved into the fixed ring under the action force of a first spring, and after the gate valve is closed, the positioning block can descend into a positioning groove below the top, so that a sliding wire can be loosened after the gate valve is worn and worn for a long time, and no water seepage phenomenon can occur.

Description

Gate valve

Technical Field

The utility model relates to the technical field of gate valve devices, in particular to a gate valve.

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 has a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.

Because the gate valve needs to be manually rotated when being opened or closed, most of the existing gate valves possibly have the condition that threads are worn and loose and slide wires after being used for a long time, so that when the gate valve is closed, water seepage phenomenon still occurs to influence the normal use of the gate valve, and aiming at the problems, the inventor proposes the gate valve for solving the problems.

Disclosure of Invention

In order to solve the problem that most gate valves are worn and loosened by threads after long-time use, so that water seepage phenomenon still occurs when the gate valves are closed; the utility model aims to provide a gate valve.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a gate valve, includes the gate valve body, gate valve body fixed surface is equipped with the receiving cavity, receiving cavity top is fixed and is equipped with the sleeve, sleeve internal thread is inserted and is equipped with the threaded rod, the threaded rod top is fixed and is equipped with the carousel, the threaded rod surface is located sleeve internal rotation and is connected with solid fixed ring, gu the fixed ring internal movement is equipped with the locating piece, the locating piece activity is inserted and is established in the sleeve, gate valve body internal movement is equipped with the valve plate, valve plate fixed surface is equipped with the bearing, the threaded rod rotates and is inserted in the bearing at first, thereby makes the threaded rod can rotate in the sleeve through rotating the carousel to can drive the valve plate and rise, thereby can make the gate valve can open, can drive solid fixed ring and rise when the threaded rod rises, thereby make the locating piece can move about in solid fixed ring under the effort of first spring, the fixed box can make the locating piece descend to the constant head tank below after the gate valve is closed, thereby can use the screw wear not become flexible smooth silk to appear phenomenon at a long time, when gu fixed ring rises, can make the slip under the extrusion of locating piece, then can make the slip in the recess, can make the slip can make the second through the plug-in the fixed box through the first jack, thereby can make the sliding box through the dynamic joint rod, thereby can make the sliding box can be fixed box through the fixed box, thereby can be moved down through the fixed box.

Preferably, the opening is set up in the gate valve body, the valve plate activity is established in the opening, set up flutedly in the retainer ring, fixedly connected with first spring between recess and the locating piece, set up the constant head tank in the sleeve, the locating piece activity is inserted and is established in the constant head tank, set up the spout in the sleeve, retainer ring fixed surface is equipped with the slider, the slider slides and establishes in the spout.

Preferably, the box body is inserted in the slip of sleeve upper end, box body one side is fixed to be equipped with the sponge and is wiped, the box body top surface is equipped with the lid, sleeve upper end surface is located the fixed limiting plate that is equipped with of box body bottom surface, the fixed frame that is equipped with of box body side, fixed frame internal activity is inserted and is equipped with the inserted bar, inserted bar fixed surface is equipped with the go-between, fixedly connected with second spring between fixed frame inner wall and the go-between, the limiting hole has been seted up in the limiting plate, the inserted bar activity is inserted and is established in the limiting hole.

Preferably, the sleeve surface fixing is equipped with the connecting rod, the box body both sides are fixed to be equipped with fixed ear, fixed ear slip cap is established on the connecting rod surface, connecting rod one end is fixed to be equipped with the spacing ring.

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

1. the rotary table is rotated to enable the threaded rod to rotate in the sleeve, so that the valve plate can be driven to ascend, the gate valve can be opened, the fixed ring can be driven to ascend when the threaded rod ascends, the positioning block can move in the fixed ring under the acting force of the first spring, the gate valve can be lowered into the positioning groove at the uppermost lower part after being closed, and therefore the phenomenon of water seepage can be avoided even if the screw wear loosening sliding wire is used for a long time;

2. the inserting rod is separated from the limiting hole by pulling, so that the box body can move, the sponge wiper can lubricate the threaded rod, the inserting rod can be fixed in the limiting hole by the second spring, and the box body can be positioned.

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 overall structure of the present utility model.

Fig. 2 is a schematic view of a partial sectional structure of a receiving cavity of the present utility model.

FIG. 3 is a schematic view of a partial cross-sectional structure of a sleeve according to the present utility model.

Fig. 4 is a schematic view of a partial sectional structure of a fixing frame according to the present utility model.

In the figure: 1. a gate valve body; 101. an opening; 11. a valve plate; 12. a storage chamber; 2. a sleeve; 201. a positioning groove; 202. a chute; 21. a threaded rod; 211. a turntable; 22. a fixing ring; 221. a groove; 23. a slide block; 24. a first spring; 25. a positioning block; 26. a bearing; 3. a case body; 31. a sponge wiper; 32. a box cover; 33. a fixed frame; 34. a rod; 35. a connecting ring; 36. a second spring; 37. a limiting plate; 371. a limiting hole; 38. a fixed ear; 39. a connecting rod; 391. and a limiting ring.

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.

As shown in fig. 1-4, the utility model provides a gate valve, which comprises a gate valve body 1, a storage cavity 12 is fixedly arranged on the surface of the gate valve body 1, a sleeve 2 is fixedly arranged at the top end of the storage cavity 12, a threaded rod 21 is inserted into the sleeve 2, a turntable 211 is fixedly arranged at the top end of the threaded rod 21, a fixed ring 22 is connected to the surface of the threaded rod 21 in a rotating manner, a positioning block 25 is movably inserted into the sleeve 2, a valve plate 11 is movably arranged in the gate valve body 1, a bearing 26 is fixedly arranged on the surface of the valve plate 11, the threaded rod 21 is rotatably inserted into the bearing 26, the turntable 211 is rotated to enable the threaded rod 21 to rotate in the sleeve 2, so that the valve plate 11 can be driven to rise, the gate valve can be opened, the threaded rod 21 can be driven to rise when rising, the positioning block 25 can be moved into the fixed ring 22 under the action force of a first spring 24, the gate valve can be lowered into a positioning groove 201 at the uppermost surface after the gate valve is closed, and the phenomenon of loosening due to sliding thread wear can not occur even when the positioning block is used for a long time.

The gate valve comprises a gate valve body 1, a gate valve 11, a fixed ring 22, a first spring 24, a positioning groove 201, a positioning block 25, a chute 202, a sliding block 23, and a sliding block 23, wherein the gate valve body 1 is internally provided with an opening 101, the gate valve 11 is movably arranged in the opening 101, the fixed ring 22 is internally provided with a groove 221, the first spring 24 is fixedly connected between the groove 221 and the positioning block 25, the sleeve 2 is internally provided with the positioning groove 201, the positioning block 25 is movably inserted into the positioning groove 201, the sleeve 2 is internally provided with the chute 202, and the surface of the fixed ring 22 is fixedly provided with the sliding block 23.

By adopting the above technical scheme, when the fixing ring 22 is lifted, the positioning block 25 can slide in the groove 221 under the extrusion of the sleeve 2, and then the positioning block 25 can be clamped in the positioning groove 201 under the acting force of the first spring 24.

The upper end of the sleeve 2 is slidably inserted with a box body 3, one side of the box body 3 is fixedly provided with a sponge wiper 31, the top surface of the box body 3 is provided with a box cover 32, the upper end surface of the sleeve 2 is fixedly provided with a limiting plate 37 positioned on the bottom surface of the box body 3, the side surface of the box body 3 is fixedly provided with a fixed frame 33, the fixed frame 33 is movably inserted with an inserting rod 34, the surface of the inserting rod 34 is fixedly provided with a connecting ring 35, a second spring 36 is fixedly connected between the inner wall of the fixed frame 33 and the connecting ring 35, a limiting hole 371 is formed in the limiting plate 37, and the inserting rod 34 is movably inserted into the limiting hole 371.

Through adopting above-mentioned technical scheme, break away from in spacing hole 371 through pulling inserted bar 34 to make box body 3 can move about, thereby make sponge wipe 31 can lubricate threaded rod 21, can make inserted bar 34 fix in spacing hole 371 through second spring 36, thereby can fix a position box body 3.

The sleeve 2 surface fixing is equipped with connecting rod 39, and the box body 3 both sides are fixed to be equipped with fixed ear 38, and fixed ear 38 slip cap is established on connecting rod 39 surface, and connecting rod 39 one end is fixed to be equipped with spacing ring 391.

Through adopting above-mentioned technical scheme, when box body 3 activity, slide on connecting rod 39 surface through fixed ear 38 to can make box body 3 slide.

Working principle: the rotary table 211 is rotated to enable the threaded rod 21 to rotate in the sleeve 2, so that the valve plate 11 can be driven to ascend, the gate valve can be opened, the fixed ring 22 can be driven to ascend when the threaded rod 21 ascends, the positioning block 25 can move in the fixed ring 22 under the acting force of the first spring 24, the positioning block 25 can be lowered into the positioning groove 201 at the uppermost lower side after the gate valve is closed, the water seepage phenomenon can not occur even when the sliding wire is loosened due to long-time use of thread abrasion, when the fixed ring 22 ascends, the positioning block 25 can slide in the groove 221 under the extrusion of the sleeve 2, then the positioning block 25 can be clamped in the positioning groove 201 under the acting force of the first spring 24, the positioning block 25 can be separated from the limiting hole 371 through pulling the insert rod 34, so that the box body 3 can move, the sponge wiper 31 can lubricate the threaded rod 21, the insert rod 34 can be fixed in the limiting hole 371 through the second spring 36, the box body 3 can be positioned, and the box body 3 can slide on the surface 39 when the box body 3 moves, and the box body 3 can slide on the surface 39.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Gate valve, comprising a gate valve body (1), characterized in that: the gate valve is characterized in that the surface of the gate valve body (1) is fixedly provided with a storage cavity (12), the top end of the storage cavity (12) is fixedly provided with a sleeve (2), a threaded rod (21) is inserted into the internal thread of the sleeve (2), a rotary table (211) is fixedly arranged at the top end of the threaded rod (21), the surface of the threaded rod (21) is positioned on the inner side of the sleeve (2) and is connected with a fixed ring (22), the fixed ring (22) is internally provided with a positioning block (25), the positioning block (25) is movably inserted into the sleeve (2), the inner side of the gate valve body (1) is movably provided with a valve plate (11), the surface of the valve plate (11) is fixedly provided with a bearing (26), and the threaded rod (21) is rotationally inserted into the bearing (26).

2. A gate valve according to claim 1, characterized in that the gate valve body (1) is provided with an opening (101), and the valve plate (11) is movably arranged in the opening (101).

3. A gate valve according to claim 1, characterized in that a groove (221) is formed in the fixing ring (22), and a first spring (24) is fixedly connected between the groove (221) and the positioning block (25).

4. A gate valve according to claim 1, characterized in that the sleeve (2) is provided with a positioning groove (201), and the positioning block (25) is movably inserted into the positioning groove (201).

5. A gate valve according to claim 1, characterized in that a chute (202) is formed in the sleeve (2), a slide block (23) is fixedly arranged on the surface of the fixing ring (22), and the slide block (23) is slidably arranged in the chute (202).

6. A gate valve according to claim 1, characterized in that the upper end of the sleeve (2) is slidably inserted with a box body (3), a sponge wiper (31) is fixedly arranged on one side of the box body (3), a box cover (32) is arranged on the top surface of the box body (3), and a limiting plate (37) is fixedly arranged on the upper end surface of the sleeve (2) and positioned on the bottom surface of the box body (3).

7. The gate valve according to claim 6, wherein a fixed frame (33) is fixedly arranged on the side surface of the box body (3), a plug rod (34) is movably inserted in the fixed frame (33), a connecting ring (35) is fixedly arranged on the surface of the plug rod (34), a second spring (36) is fixedly connected between the inner wall of the fixed frame (33) and the connecting ring (35), a limiting hole (371) is formed in the limiting plate (37), and the plug rod (34) is movably inserted in the limiting hole (371).

8. A gate valve according to claim 6, wherein the surface of the sleeve (2) is fixedly provided with a connecting rod (39), two sides of the box body 3 () are fixedly provided with fixing lugs 3 (8), the fixing lugs (38) are slidably sleeved on the surface of the connecting rod 3 (9), and one end of the connecting rod 3 (9) is fixedly provided with a limiting ring (391).