A high performance anti-stuck power station gate valve

Abstract

This utility model discloses a high-performance anti-jamming power station gate valve, relating to the field of gate valves. The high-performance anti-jamming power station gate valve includes a gate valve body with a drain trough at its bottom. A drain base plate for anti-jamming draining is movably engaged at the bottom of the drain trough. A sealing block and a positioning block are fixedly connected to the drain base plate, with the sealing block sealing the drain trough. During use, this high-performance anti-jamming power station gate valve allows for convenient and periodic disassembly and assembly using the drain base plate at the bottom of the gate valve body for draining, preventing blockage of the internal channels of the gate valve body. The limiting mechanism design facilitates easy installation and positioning of the drain base plate, sealing block, and positioning block within the gate valve body and positioning seat, eliminating the need for external tools and simplifying subsequent disassembly and maintenance. Furthermore, the structural design of the drain base plate and sealing block provides a large drain opening, ensuring the high-performance anti-jamming performance of the gate valve body and meeting the requirements of special power station environments.

Description

Technical Field

[0001] The utility model relates to the technical field of gate valves, in particular to a high-performance anti-stuck power station gate valve. Background Art

[0002] The main function of the gate valve is to control the flow and pressure of the liquid in the pipeline. However, in actual use, due to the presence of various impurities and dirt in the pipeline, if these impurities and dirt are not discharged in time, they will affect the flow and use of the fluid, thereby affecting the normal use of the pipeline.

[0003] Therefore, the gate valve is installed with a drain outlet in order to discharge these impurities and dirt in the pipeline, so as to ensure the normal use of the pipeline. The gate valve drain outlet is usually located at the lower part of the valve. During the use of the power station gate valve, there are more foreign matter in the transport medium, and the situation of foreign matter in the gate valve is more complicated. The cleaning of the drain outlet is more frequent. The traditional drain outlet uses bolts, which is not convenient during the maintenance process and requires special external tools. In addition, the bolt drain outlet has a small diameter, which is not convenient for sewage discharge operations. In view of the shortcomings of the prior art, the utility model provides a high-performance anti-stuck power station gate valve to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a high-performance anti-stuck power station gate valve. During use, the sewage discharge bottom plate arranged at the bottom of the gate valve body can be conveniently and regularly utilized for rapid disassembly and assembly to discharge sewage and avoid clogging of the internal channel of the gate valve body. Through the design of the limiting mechanism, the sewage discharge bottom plate, the sealing block and the positioning block are conveniently installed and positioned inside the gate valve body and the positioning seat without the need for external tools, and subsequent disassembly and maintenance are convenient. In addition, the structural design of the sewage discharge bottom plate and the sealing block makes the sewage discharge opening large, thereby ensuring the high-performance anti-stuckness of the gate valve body and meeting the use requirements of special environments of power stations.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a high-performance anti-stuck power station gate valve, comprising a gate valve body, a sewage discharge groove is provided at the bottom of the gate valve body, and a sewage discharge bottom plate for anti-stuck sewage discharge is movably connected to the bottom of the sewage discharge groove;

[0006] A sealing block and a positioning block are fixedly connected to the sewage discharge bottom plate, and the sealing block is used to seal the sewage discharge slot position;

[0007] A clamping seat is arranged on both sides of the gate valve body, the positioning clamping block is movably clamped in the interior of the clamping seat, and a limiting mechanism for quickly clamping the positioning clamping block is arranged on the clamping seat.

[0008] Preferably, the limiting mechanism comprises a guide rail rod fixedly connected to the clamping seat, the guide rail rod is fixedly connected to a nut seat, the nut seat is threadedly connected to a screw rod, the screw rod is rotatably connected to a wedge block, and the wedge block is slidably connected to the guide rail rod;

[0009] A clamping slot is provided on the positioning clamping block, and the wedge-shaped block passes through the clamping seat and is movably clamped in the clamping slot.

[0010] Preferably, a rotating handle is fixedly connected to the screw rod.

[0011] Preferably, the positioning seat is provided with a slot corresponding to the positioning block.

[0012] Preferably, a sealing gasket is fixedly connected to the sealing block.

[0013] Preferably, flanges for pipeline installation are provided on both sides of the gate valve body.

[0014] The utility model discloses a high-performance anti-stuck power station gate valve, which has the following beneficial effects:

[0015] The high-performance anti-stuck power station gate valve can be conveniently and regularly disassembled and assembled quickly to discharge sewage by utilizing the sewage discharge bottom plate provided at the bottom of the gate valve body during use, thereby avoiding blockage of the internal channel of the gate valve body. The limit mechanism design makes it easy to install and position the sewage discharge bottom plate, sealing block and positioning block inside the gate valve body and the positioning seat without the need for external tools, and facilitates subsequent disassembly and maintenance. In addition, the structural design of the sewage discharge bottom plate and the sealing block makes the sewage discharge opening large, thereby ensuring the high-performance anti-stuck performance of the gate valve body and meeting the use requirements of special power station environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a disassembly diagram of the sewage discharge bottom plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the sealing block of the utility model;

[0020] Figure 4 It is a cross-sectional view of the clamping seat of the utility model.

[0021] In the figure: 1. gate valve body; 2. drain groove; 3. drain bottom plate; 4. sealing block; 401. sealing gasket; 5. positioning block; 501. slot; 6. slot seat; 601. slot; 7. guide rod; 701. nut seat; 702. screw rod; 703. wedge block; 704. turning handle. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The embodiment of the present application provides a high-performance anti-stuck power station gate valve, which solves the problem that during the use of the power station gate valve, there are more foreign objects in the transport medium, the situation of foreign objects in the gate valve is more complicated, the cleaning of the sewage outlet is more frequent, and the traditional sewage outlet uses bolts, which is not convenient during maintenance and requires special external tools. In addition, the bolt sewage outlet has a small diameter, which is not convenient for sewage discharge operations.

[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] The utility model embodiment discloses a high-performance anti-stuck power station gate valve. Figure 1-4 As shown, it comprises a gate valve body 1, a sewage discharge groove 2 is provided at the bottom of the gate valve body 1, and a sewage discharge bottom plate 3 for preventing sewage from being stuck and discharged is movably connected at the bottom of the sewage discharge groove 2;

[0026] A sealing block 4 and a positioning block 5 are fixedly connected to the sewage discharge bottom plate 3, and the sealing block 4 is used to seal the position of the sewage discharge tank 2;

[0027] A clamping seat 6 is provided on both sides of the gate valve body 1 , and the positioning clamping block 5 is movably clamped inside the clamping seat 6 . A limiting mechanism for quickly clamping the positioning clamping block 5 is provided on the clamping seat 6 .

[0028] The limiting mechanism includes a guide rail rod 7 fixedly connected to the clamping seat 6, a nut seat 701 fixedly connected to the guide rail rod 7, a screw rod 702 threadedly connected to the nut seat 701, a wedge block 703 rotatably connected to the screw rod 702, and the wedge block 703 slidably connected to the guide rail rod 7;

[0029] A slot 501 is provided on the positioning block 5, and the wedge block 703 passes through the positioning seat 6 and is movably engaged in the slot 501. The overall structure of the limiting mechanism is simple. The wedge block 703 in the limiting mechanism is engaged in the slot 501 to clamp and limit the positioning block 5 and the sewage discharge bottom plate 3. When the wedge block 703 is inserted into the slot 501, an upward thrust is applied to the inside of the slot 501 through the inclined surface of the wedge block 703, thereby ensuring that the positioning block 5 and the sewage discharge bottom plate 3 have a good clamping effect and are not easy to loosen or come off.

[0030] A rotating handle 704 is fixedly connected to the screw rod 702 , and the rotating handle 704 makes it easy to rotate the screw rod 702 .

[0031] The positioning seat 6 is provided with a slot 601 corresponding to the positioning block 5 , and the slot 601 is provided to facilitate the clamping and limiting of the positioning block 5 .

[0032] Furthermore, a sealing gasket 401 is fixedly connected to the sealing block 4 , and the sealing gasket 401 is arranged so that when the sealing block 4 is clamped against the inner wall of the sewage tank 2 , the sealing effect is good.

[0033] Flanges for pipeline installation are arranged on both sides of the gate valve body 1, so the gate valve body 1 is easy to install on the pipeline.

[0034] The high-performance anti-stuck power station gate valve can be conveniently and regularly disassembled and assembled quickly to discharge sewage by utilizing the sewage discharge bottom plate 3 provided at the bottom of the gate valve body 1 during use, thereby avoiding the internal channel of the gate valve body 1 from being stuck. The limiting mechanism is designed to facilitate the installation and positioning of the sewage discharge bottom plate 3, the sealing block 4 and the positioning block 5 inside the gate valve body 1 and the positioning seat 6, without the need for external tools, and is convenient for subsequent disassembly and maintenance. In addition, the structural design of the sewage discharge bottom plate 3 and the sealing block 4 allows for a large sewage discharge opening, thereby ensuring the high-performance anti-stuck performance of the gate valve body 1 and meeting the use requirements of special power station environments.

[0035] When loading the gate valve body 1 and the sewage bottom plate 3, first align the sealing block 4 and the sewage bottom plate 3 with the inside of the sewage tank 2 and snap them together, and at the same time insert the positioning block 5 into the slot 601 of the positioning seat 6. After they are fully snapped together, rotate the handle 704 to drive the screw rod 702 to rotate, and use the screw rod 702 to push the wedge block 703 to move and snap into the slot 501 of the positioning block 5.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-performance anti-stuck power station gate valve, comprising a gate valve body (1), characterized in that: A sewage discharge groove (2) is provided at the bottom of the gate valve body (1), and a sewage discharge bottom plate (3) for preventing sewage from being stuck and discharged is movably connected to the bottom of the sewage discharge groove (2); A sealing block (4) and a positioning block (5) are fixedly connected to the sewage discharge bottom plate (3), and the sealing block (4) is used to seal the position of the sewage discharge trough (2); A clamping seat (6) is provided on both sides of the gate valve body (1), the positioning clamping block (5) is movably clamped inside the clamping seat (6), and a limiting mechanism for quickly clamping the positioning clamping block (5) is provided on the clamping seat (6).

2. A high performance anti-stuck power station gate valve according to claim 1, characterized in that: The limiting mechanism comprises a guide rail rod (7) fixedly connected to the locking seat (6), a nut seat (701) fixedly connected to the guide rail rod (7), a screw rod (702) threadedly connected to the nut seat (701), a wedge block (703) rotatably connected to the screw rod (702), and the wedge block (703) slidably connected to the guide rail rod (7); The positioning block (5) is provided with a slot (501), and the wedge block (703) passes through the positioning seat (6) and is movably engaged in the slot (501).

3. A high performance anti-stuck power station gate valve according to claim 2, characterized in that: A rotating handle (704) is fixedly connected to the screw rod (702).

4. A high performance anti-stuck power station gate valve according to claim 2, characterized in that: The clamping seat (6) is provided with a slot (601) corresponding to the positioning clamping block (5).

5. A high performance anti-stuck power station gate valve according to claim 1, characterized in that: A sealing gasket (401) is fixedly connected to the sealing block (4).

6. A high performance anti-stuck power station gate valve according to claim 1, characterized in that: Flanges for pipeline installation are provided on both sides of the gate valve body (1).

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