Bidirectional sealing gapless mud gate valve

By introducing a barrier structure and a limit structure into the gate valve, the problem of mud gathering in the grooves on the lower side of the gate plate is solved, and the two-way sealing and service life of the gate valve are achieved.

CN223215792UActive Publication Date: 2025-08-12JIANGSU HUAZHAN PETROLEUM MASCH CO LTD
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Patent Information

Application Number
CN202422462849.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-12
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

After the existing gate valve is lifted, mud gathers in the grooves on the lower side of the gate, resulting in the gate not being closed tightly and reducing sealing.

Method used

A two-way sealed gapless mud gate valve is designed, adopting a barrier structure and a limiting structure. The barrier structure includes grooves and springs, arc-shaped blocks, and the limiting structure includes square grooves and rotating rods to prevent mud from accumulating in the grooves and increase the sealing of the gate plates and pipes.

Benefits of technology

Effectively prevent mud from accumulating in the grooves, improve the sealing of the gate valve, extend the service life, and prevent mud flow caused by misoperation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223215792U_ABST
Patent Text Reader

Abstract

The utility model discloses a two-way sealing gapless slurry gate valve which comprises a pipeline, a gate plate and a blocking structure are arranged in the pipeline, a hollow block is arranged on the outer side of the pipeline, a supporting structure is arranged on the upper side of the hollow block, a limiting structure is arranged on the outer side of the supporting structure, and the limiting structure is arranged on the outer side of the hollow block. A threaded rod is fixedly connected to the outer side of the gate plate, a handle is fixedly connected to the upper end of the threaded rod, five protruding blocks are arranged on the outer side of the handle, and the blocking structure comprises a groove and a square groove. And through the arrangement of the blocking structure, when the gate plate is opened, the phenomenon that slurry is accumulated in the groove is avoided through protection of the spring and the arc-shaped block, the sealing performance of the gate plate and the pipeline is improved, and the service life of the gate valve is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of gate valves, in particular to a two-way sealed gapless mud gate valve. Background Art

[0002] The bidirectional, gapless slurry gate valve, with its unique design and construction, offers excellent sealing performance and high operational reliability. Suitable for handling media containing solid particles, such as slurry and pulp, it is widely used in pipeline systems in industries such as petroleum, chemical, and metallurgy.

[0003] In existing gate valves, after the gate is lifted, mud in the pipeline will accumulate in the groove on the lower side of the gate. When the gate is closed again, the mud accumulated in the groove will cause the gate to close loosely, reducing the sealing inside the gate valve. Utility Model Content

[0004] In order to overcome the disadvantage in the prior art that mud accumulates in the groove inside the gate valve, one of the objectives of the present utility model is to provide a two-way sealed gapless mud gate valve.

[0005] One of the objectives of the utility model is achieved by the following technical solution: a bidirectional sealed gapless mud gate valve, comprising a pipeline: a gate and a blocking structure are provided inside the pipeline, a hollow block is provided on the outside of the pipeline, a support structure is provided on the upper side of the hollow block, a limiting structure is provided on the outer side of the support structure, a threaded rod is fixedly connected to the outer side of the gate, a handle is fixedly connected to the upper end of the threaded rod, and five raised blocks are provided on the outer side of the handle;

[0006] The blocking structure includes a groove and a square groove, which are provided inside the pipe. A plurality of springs are provided inside the groove, one end of each spring is fixedly connected to the pipe, and the other end of each spring is fixedly connected to an arc block. A square block is provided inside the square groove, and the outer side of the square block is fixedly connected to the arc block. The square block, the arc block, and the pipe are slidably connected. This helps prevent the accumulation of mud in the slurry inside the groove.

[0007] According to the bidirectional sealing gapless mud gate valve, flanges are fixedly connected to the front and rear sides of the pipeline, and bolt holes are opened on the outer side of the flange, and the bolt holes are provided in a plurality to facilitate the connection of other pipelines.

[0008] According to the bidirectional sealed gapless mud gate valve, the gate plate, the hollow block and the pipeline are slidably connected, which is conducive to the sliding of the gate plate.

[0009] According to the bidirectional sealed gapless mud gate valve, the support structure includes a support block fixedly connected to the upper side of the hollow block. Two support blocks are provided, and a bracket block is fixedly connected to the outer side of each support block. The outer side of each bracket block is fixedly connected to the annular block. This is conducive to stabilizing the gate plate.

[0010] According to the bidirectional sealing gapless mud gate valve, the annular block and the threaded rod are threadedly connected, which facilitates the rotation of the threaded rod.

[0011] According to the bidirectional sealed gapless mud gate valve, the outer side of the threaded rod is rotatably connected to a rectangular block, and the rectangular block and the hollow block are slidably connected to facilitate the sliding of the rectangular block.

[0012] According to the bidirectional sealed gapless mud gate valve, the limiting structure includes a square groove, which is formed on the outside of the support block, a rotating rod is provided inside the square groove, and a rotating block is fixedly connected to the outside of the rotating rod, which is conducive to preventing the gate from opening and closing.

[0013] According to the bidirectional sealed gapless mud gate valve, the rotating block is configured to be L-shaped, and the rotating block and the supporting block are slidably connected, so as to facilitate the control of the movement of the rectangular block.

[0014] The above scheme has the following beneficial effects:

[0015] 1. Through the setting of the blocking structure, when the gate is opened, it is protected by the spring and the arc block to avoid the accumulation of mud in the groove, increase the sealing of the gate and the pipeline, and extend the service life of the gate valve.

[0016] 2. The setting of the limit structure can prevent someone from accidentally touching the handle to open the gate and let the mud flow.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0019] Figure 1 This is a schematic diagram of the overall main view of a bidirectional sealed gapless mud gate valve of the utility model;

[0020] Figure 2 This is a structural diagram of a partial structure of a bidirectional sealed gapless mud gate valve of the utility model;

[0021] Figure 3 This is a structural diagram of a bidirectional sealed gapless mud gate valve, a gate plate, a threaded rod, and other structures of the utility model;

[0022] Figure 4 The utility model is a schematic cross-sectional structural diagram of a bidirectional sealed gapless mud gate valve.

[0023] Legend:

[0024] 1. Pipeline; 2. Gate; 3. Hollow block; 4. Support structure; 401. Support block; 402. Bracket block; 403. Circular ring block; 404. Rectangular block; 5. Limiting structure; 501. Square groove; 502. Turning rod; 503. Rotating block; 6. Threaded rod; 7. Handle; 8. Blocking structure; 801. Groove; 802. Spring; 803. Arc block; 804. Square groove; 805. Square block; 9. Flange; 10. Bolt hole. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0026] Reference Figure 1-4, a two-way sealed gapless mud gate valve, comprising a pipeline 1: a gate 2 and a blocking structure 8 are provided inside the pipeline 1, a hollow block 3 is provided on the outside of the pipeline 1, a supporting structure 4 is provided on the upper side of the hollow block 3, a limiting structure 5 is provided on the outside of the supporting structure 4, a threaded rod 6 is fixedly connected to the outside of the gate 2, a handle 7 is fixedly connected to the upper end of the threaded rod 6, five raised blocks are provided on the outside of the handle 7, flanges 9 are fixedly connected to the front and rear sides of the pipeline 1, bolt holes 10 are provided on the outside of the flange 9, several bolt holes 10 are provided, the gate 2 and the hollow block 3 and the pipeline 1 are slidably connected, the supporting structure 4 comprises a supporting block 401, the supporting block 401 is fixedly connected to the upper side of the hollow block 3, two supporting blocks 401 are provided, a bracket block 402 is fixedly connected to the outside of the support block 401, a circular ring block 403 is fixedly connected to the outside of the bracket block 402, The block 403 is threadedly connected to the threaded rod 6, and the outer side of the threaded rod 6 is rotatably connected to the rectangular block 404, and the rectangular block 404 is slidably connected to the hollow block 3. The limiting structure 5 includes a square groove 501, and the square groove 501 is opened on the outer side of the support block 401. A rotating rod 502 is provided inside the square groove 501, and the outer side of the rotating rod 502 is fixedly connected to the rotating block 503. The rotating block 503 is set to be L-shaped, and the rotating block 503 is slidably connected to the support block 401. The gate valve composed of a pipeline 1, a gate plate 2, a hollow block 3, a supporting structure 4, a threaded rod 6, and a handle 7. Before opening the gate plate 2, the staff first rotates the rotating block 503, turns the rotating block 503 to one side, and then holds the handle 7 to rotate the threaded rod 6, driving the rectangular block 404 and the gate plate 2 to move. The limiting structure 5 can prevent someone from accidentally touching the handle 7 to open the gate plate 2 to allow mud to flow.

[0027] The blocking structure 8 includes a groove 801 and a square groove 804. The groove 801 and the square groove 804 are opened inside the pipe 1. A spring 802 is provided inside the groove 801. The spring 802 is provided with a plurality of springs. One end of the spring 802 is fixedly connected to the pipe 1. The other end of the spring 802 is fixedly connected to the arc block 803. A square block 805 is provided inside the square groove 804. The outer side of the square block 805 is fixedly connected to the arc block 803. The square block 805, the arc block 803 and the pipe 1 are slidably connected. When the gate 2 is opened and closed, the gate 2 moves. Due to the expansion and contraction of spring 802, spring 802 moves the arc block 803 upward to block the groove 801, preventing the mud in the mud from accumulating inside the groove 801. When the gate 2 is closed, the gate 2 squeezes the arc block 803 and the rectangular block 404, and then slides the gate 2 into the groove 801 to block the setting of the structure 8. When the gate 2 is opened again, it is protected by the spring 802 and the arc block 803 to avoid the accumulation of mud in the groove 801, thereby increasing the sealing performance of the gate 2 and the pipeline 1 and extending the service life of the gate valve.

[0028] Working principle: Before the staff works on the gate valve composed of pipe 1, gate plate 2, hollow block 3, supporting structure 4, threaded rod 6 and handle 7, they first use flanges 9 on both sides to fix the mud water pipe with bolts, and then use handle 7 to open and close the gate plate 2 to control the flow of mud. There is a limiting structure 5 to prevent someone from accidentally touching the handle 7 to open the gate plate 2. At the same time, the blocking structure 8 can prevent the mud in the mud from accumulating in the groove 801, which is beneficial to improve the sealing of the gate valve.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A two-way sealed gapless mud gate valve, characterized in that: The invention comprises a pipe (1), wherein a gate plate (2) and a blocking structure (8) are provided inside the pipe (1), a hollow block (3) is provided outside the pipe (1), a supporting structure (4) is provided on the upper side of the hollow block (3), a limiting structure (5) is provided on the outer side of the supporting structure (4), a threaded rod (6) is fixedly connected to the outer side of the gate plate (2), a handle (7) is fixedly connected to the upper end of the threaded rod (6), and five protruding blocks are provided on the outer side of the handle (7); The blocking structure (8) comprises a groove (801) and a square groove (804), wherein the groove (801) and the square groove (804) are provided inside the pipe (1), a spring (802) is provided inside the groove (801), and a plurality of springs (802) are provided, one end of the spring (802) is fixedly connected to the pipe (1), and the other end of the spring (802) is fixedly connected to an arc block (803), a square block (805) is provided inside the square groove (804), the outer side of the square block (805) is fixedly connected to the arc block (803), and the square block (805), the arc block (803) and the pipe (1) are slidably connected.

2. A bidirectional sealed gapless slurry gate valve according to claim 1, characterized in that: The front and rear sides of the pipeline (1) are fixedly connected with flanges (9), and the outer side of the flange (9) is provided with bolt holes (10), and a plurality of bolt holes (10) are provided.

3. A bidirectional sealed gapless mud gate valve according to claim 1, characterized in that: The gate plate (2), the hollow block (3) and the pipeline (1) are connected in a sliding manner.

4. A bidirectional sealed gapless slurry gate valve according to claim 1, characterized in that: The support structure (4) comprises a support block (401), wherein the support block (401) is fixedly connected to the upper side of the hollow block (3), and two support blocks (401) are provided. The outer side of the support block (401) is fixedly connected to a bracket block (402), and the outer side of the bracket block (402) is fixedly connected to a circular ring block (403).

5. A bidirectional sealed gapless slurry gate valve according to claim 4, characterized in that: The annular block (403) and the threaded rod (6) are threadedly connected.

6. A bidirectional sealed gapless slurry gate valve according to claim 1, characterized in that: The outer side of the threaded rod (6) is rotatably connected to a rectangular block (404), and the rectangular block (404) and the hollow block (3) are slidably connected.

7. A bidirectional sealed gapless slurry gate valve according to claim 1, characterized in that: The limiting structure (5) comprises a square groove (501), the square groove (501) is provided on the outside of the support block (401), a rotating rod (502) is provided inside the square groove (501), and a rotating block (503) is fixedly connected to the outside of the rotating rod (502).

8. A bidirectional sealed gapless slurry gate valve according to claim 7, characterized in that: The rotating block (503) is configured to be L-shaped, and the rotating block (503) and the supporting block (401) are slidably connected.