Gate valve capable of preventing leakage
By designing sealing structure and cleaning structure in the gate valve, the liquid leakage and service life shortening caused by gasket damage is solved, and the liquid sealing and valve cleaning is achieved, extending the service life of the gate valve and preventing blockage.
Patent Information
- Application Number
- CN202421583363.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2034-07-05
AI Technical Summary
The sealing gasket of existing gate valves is easily damaged after a long time of use, resulting in large gaps at the connection, causing liquid leakage and shortening of service life, and making it difficult to clean the overflowing liquid.
A gate valve consisting of a sealing structure and a cleaning structure is designed. The sealing structure ensures liquid sealing through a combination of cylinder, sealing sleeve, sealing gasket and limiting block; the cleaning structure passes through a filter rack, filter mesh and cleaning brush to prevent debris Stacking blockage.
Effectively prevent liquid leakage, extend the service life of the gate valve, and prevent debris from accumulating through the cleaning structure to avoid valve blockage.
Smart Images
Figure CN222185840U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gate valves, in particular to a gate valve capable of preventing leakage. Background Art
[0002] Gate valve is a commonly used industrial valve used to control the flow of fluid in a pipeline. Its main feature is to control the flow of fluid by raising or lowering the gate. Gate valve is usually used in pipeline systems that require rapid fluid cut-off, such as water supply systems, sewage treatment, chemical industry and other fields.
[0003] When the gate valve in the prior art is used by staff, the sealing gasket at the connection of the stop valve is easily damaged after a long time of use. Once the sealing gasket is damaged, there will be a larger gap at the connection of the stop valve, which will cause liquid to leak out easily during filling, causing corrosion to the gate valve and reducing the service life of the gate valve, and the overflowed liquid will be difficult to clean.
[0004] Therefore, the utility model provides a leakage-proof gate valve. Utility Model Content
[0005] The utility model aims to solve the problems in the prior art that, when the gate valve in the prior art is used by staff, the sealing gasket at the connection of the stop valve is easily damaged after a long time of use, and the sealing gasket is damaged, so that a larger gap will be formed at the connection of the stop valve, which will easily cause liquid to leak out during filling, causing corrosion to the gate valve and reducing the service life of the gate valve, and the overflowed liquid will be difficult to clean, and a leakage-proof gate valve is proposed.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a leakage-proof gate valve, comprising a gate valve body, a handwheel is threadedly connected to the surface of the gate valve body, two valve interfaces are fixedly connected to the surface of the gate valve body, and a sealing structure is provided on the surfaces of the two valve interfaces, and the sealing structure comprises two cylinders, the inner walls of the two cylinders are fixedly connected to the gate valve body, the arc surfaces of the two cylinders are threadedly connected to sealing sleeves, the interiors of the two sealing sleeves are slidably connected to sealing gaskets, the inner walls of the two sealing sleeves are fixedly connected to sleeves, the arc surfaces of the two sleeves are abutted against the sealing gaskets, the inner walls of the two sleeves are abutted against the valve interfaces, and the inner walls of the sealing sleeves are inclined.
[0007] The effect achieved by the above components is: by setting up a sealing structure, when the staff uses the gate valve, the liquid in the gate valve will not flow out through the gap of the valve interface, preventing the outflowing liquid from causing harm to the staff, thereby achieving the effect of sealing the valve interface.
[0008] Preferably, a round rod is fixedly inserted inside the gate valve body, a rope is fixedly connected to the surface of the gate valve body, and a wedge is fixedly connected to the surface of the rope.
[0009] The effect achieved by the above components is that when the sealing gasket on the sealing sleeve needs to be removed, a wedge can be used to clamp the inner wall of the sealing sleeve to remove it, thereby achieving the effect of facilitating the removal of the sealing gasket.
[0010] Preferably, a plurality of limit blocks are fixedly connected to the surface of the sealing sleeve, and the surfaces of the plurality of limit blocks are in contact with the sealing gasket.
[0011] The effect achieved by the above components is that the sealing gasket can be fixed on the surface of the limiting block through the limiting of the limiting block, thereby achieving the effect of preventing the sealing gasket from being deformed.
[0012] Preferably, the inner walls of the two valve interfaces are provided with a cleaning structure, and the cleaning structure includes two filter frames, the arc surfaces of the two filter frames are fixedly connected to the valve interface, the inside of the filter frame is fixedly connected with a filter screen, the surface of the filter frame is rotatably connected with a cleaning brush, and the inside of the two cleaning brushes are threaded with screws.
[0013] The effect achieved by the above components is: by setting up a cleaning structure, the debris on the valve interface surface can be filtered when the staff uses the stop valve, thereby preventing the stop valve from being blocked due to a large amount of debris accumulating inside the stop valve.
[0014] Preferably, the surfaces of the two filter frames are fixedly connected with sliding frames, the interiors of the two sliding frames are slidably connected with sliding blocks, and the size of the sliding blocks is adapted to the size of the cleaning brush.
[0015] The effect achieved by the above components is that the slider on the sliding frame can be used to fix the slider and the cleaning brush, thereby preventing the cleaning brush from shaking.
[0016] Preferably, the surfaces of the two filter frames are fixedly connected to the limiting frames, and the surfaces of the two limiting frames are slidably connected to the clamping blocks.
[0017] The effect achieved by the above components is that the slider can be fixed on the limit frame by sliding one end of the clamping block to the surface of the slider, thereby achieving the effect of preventing the slider from sliding when the slider is not in use.
[0018] In summary:
[0019] 1. In the utility model, when using the gate valve, first twist the hand wheel to the closed state, then the sealing gasket is fixed on the inner wall of the sealing sleeve by extrusion of the sleeve and the sealing sleeve, then the valve interface is connected, then the sealing sleeve is rotated, and the sealing sleeve rotates on the cylinder. After the sealing sleeve rotates a certain angle, the rotation of the sealing sleeve is stopped. At this time, the sealing sleeve is fixed on the cylinder by threaded extrusion, and the limit block on the sealing sleeve fixes the sealing gasket to prevent the sealing gasket from deforming. At this time, the sealing gasket is installed on the valve interface to play a sealing effect. When the gate valve is used, first rotate the sealing sleeve, and the sealing sleeve rotates on the cylinder to seal. After the sleeve rotates a certain angle, the rotation of the sealing sleeve stops, at this time, the sealing sleeve loses its fixation through the thread, the sealing gasket is disassembled by the wedge, and then the end connected to the valve interface is taken out, the rope on the wedge is wrapped around the round rod to retract and fix the wedge, the sealing gasket and the sealing sleeve lose their extrusion, and the sealing gasket is taken out. At this time, the sealing gasket is removed and the gate valve is no longer used. By setting up the sealing structure, the staff can prevent the liquid in the gate valve from flowing out through the gap of the valve interface when using the gate valve, thereby preventing the outflowing liquid from causing harm to the staff, thereby achieving the effect of sealing the valve interface.
[0020] 2. In the utility model, when the gate valve is used, the slider is first slid. After the slider slides a certain distance on the slide frame, the slider is stopped. At this time, the slider is abutted against the limit frame, and then one end of the clamping block is connected to the surface of the slider. The clamping block is then slid and connected to the limit frame. At this time, the slider is fixed by the clamping block, and the cleaning brush is rotated at this time. After the cleaning brush rotates a certain angle on the filter frame, the cleaning brush is stopped. At this time, the cleaning brush cleans up the debris on the surface of the filter screen. The cleaning brush is no longer used. After cleaning the debris on the surface of the filter screen, the cleaning brush is rotated. The cleaning brush rotates a certain angle After that, stop rotating the cleaning brush, and then slide the card block. After the card block slides a certain distance on the limit frame, stop sliding the slider. At this time, the card block and the limit frame are lost, and the card block can be taken out. Then slide the slider, and the slider slides on the slider in the direction close to the brush. After the slider slides a certain distance, stop sliding the slider. At this time, the slider fixes the cleaning brush, and the cleaning brush is no longer used. By setting the cleaning structure, the debris on the surface of the valve interface can be filtered when the staff uses the stop valve, thereby preventing the stop valve from being blocked due to a large amount of debris accumulating inside the stop valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0022] Figure 2 For this utility model Figure 1 Schematic diagram of the disassembly structure;
[0023] Figure 3 For this utility model Figure 1 A side view structural schematic diagram of;
[0024] Figure 4 For this utility model Figure 1 Enlarged view of point A.
[0025] Legend: 1. Gate valve body; 2. Hand wheel; 3. Valve interface; 4. Sealing structure; 41. Cylinder; 42. Sealing sleeve; 43. Limit block; 44. Sealing gasket; 45. Wedge; 46. Round rod; 47. Sleeve; 48. Rope; 5. Cleaning structure; 51. Filter frame; 52. Cleaning brush; 53. Screw; 54. Sliding frame; 55. Block; 56. Sliding block; 57. Limit frame; 58. Filter screen. DETAILED DESCRIPTION
[0026] Reference Figure 1 As shown, the utility model provides a technical solution: a leakage-proof gate valve, comprising a gate valve body 1, a hand wheel 2 being threadedly connected to the surface of the gate valve body 1, two valve interfaces 3 being fixedly connected to the surface of the gate valve body 1, and sealing structures 4 being provided on the surfaces of the two valve interfaces 3. By providing the sealing structure 4, when the staff uses the gate valve, the liquid in the gate valve will not flow out through the gap of the valve interface 3, thereby preventing the outflowing liquid from causing harm to the staff, thereby achieving the effect of sealing the valve interface 3. The inner walls of the two valve interfaces 3 are provided with a cleaning structure 5. By providing the cleaning structure 5, when the staff uses the stop valve, the debris on the surface of the valve interface 3 can be filtered, thereby achieving the effect of preventing the stop valve from being blocked due to a large amount of debris accumulating inside the stop valve.
[0027] The specific configuration and function of the sealing structure 4 and the cleaning structure 5 will be described in detail below.
[0028] Reference Figure 1 and Figure 2 As shown, in this embodiment: the sealing structure 4 includes two cylinders 41, the inner walls of the two cylinders 41 are fixedly connected to the gate valve body 1, the arc surfaces of the two cylinders 41 are threadedly connected with sealing sleeves 42, the insides of the two sealing sleeves 42 are slidably connected with sealing gaskets 44, the inner walls of the two sealing sleeves 42 are fixedly connected with sleeves 47, the arc surfaces of the two sleeves 47 are abutted with the sealing gaskets 44, the inner walls of the two sleeves 47 are abutted with the valve interface 3, the inner wall of the sealing sleeve 42 is an inclined surface, and a round rod 46 is fixedly inserted inside the gate valve body 1. A rope 48 is fixedly connected to the surface of the body 1, and a wedge 45 is fixedly connected to the surface of the rope 48. When the sealing gasket 44 on the sealing sleeve 42 needs to be removed, the wedge 45 can be used to clamp the inner wall of the sealing sleeve 42 to remove it, thereby achieving the effect of facilitating the removal of the sealing gasket 44. A plurality of limit blocks 43 are fixedly connected to the surface of the sealing sleeve 42, and the surfaces of the plurality of limit blocks 43 are all in contact with the sealing gasket 44. Through the limiting of the limit blocks 43, the sealing gasket 44 can be fixed to the surface of the limit blocks 43, thereby achieving the effect of preventing the sealing gasket 44 from deforming.
[0029] Reference Figure 3 and Figure 4 As shown, specifically, the cleaning structure 5 includes two filter frames 51, the arc surfaces of the two filter frames 51 are fixedly connected to the valve interface 3, the filter frames 51 are fixedly connected with a filter screen 58 inside, the surface of the filter frames 51 is rotatably connected with a cleaning brush 52, the insides of the two cleaning brushes 52 are threadedly connected with screws 53, the surfaces of the two filter frames 51 are fixedly connected with a sliding frame 54, the insides of the two sliding frames 54 are slidably connected with a slider 56, the size of the slider 56 is adapted to the size of the cleaning brush 52, and the slider 56 can be fixed to the cleaning brush 52 by sliding the slider 56 on the sliding frame 54, thereby preventing the cleaning brush 52 from shaking, and the surfaces of the two filter frames 51 are fixedly connected with a limiting frame 57, and the surfaces of the two limiting frames 57 are slidably connected with a clamping block 55, and the slider 56 can be fixed on the limiting frame 57 by sliding one end of the clamping block 55 to the surface of the slider 56, thereby preventing the slider 56 from sliding when not in use.
[0030] Working principle: when using the gate valve, first twist the hand wheel 2 to the closed state, then the sealing gasket 44 is fixed on the inner wall of the sealing sleeve 42 through the extrusion of the sleeve 47 and the sealing sleeve 42, then the valve interface 3 is connected, and then the sealing sleeve 42 is rotated, and the sealing sleeve 42 rotates on the cylinder 41. After the sealing sleeve 42 rotates a certain angle, the rotation of the sealing sleeve 42 is stopped. At this time, the sealing sleeve 42 is fixed on the cylinder 41 through threaded extrusion, and the limit block 43 on the sealing sleeve 42 fixes the sealing gasket 44 to prevent the sealing gasket 44 from deforming. At this time, the sealing gasket 44 is installed on the valve interface 3 to play a sealing effect. When the gate valve is used, first rotate the sealing sleeve 42, and the sealing sleeve 42 rotates on the cylinder 41. After the sealing sleeve 42 rotates a certain angle, the rotation of the sealing sleeve 42 is stopped. At this time, the sealing sleeve 42 loses its fixation through the thread, and the sealing gasket 44 is disassembled by the wedge 45. Then, one end connected to the valve interface 3 is taken out, and the rope 48 on the wedge 45 is wound around the round rod 46 to retract and fix the wedge 45. The sealing gasket 44 and the sealing sleeve 42 lose their extrusion and the sealing gasket 44 is taken out. At this time, the sealing gasket 44 is removed and the gate valve is no longer used. By setting the sealing structure 4, when the staff uses the gate valve, the liquid in the gate valve will not flow out through the gap of the valve interface 3, thereby preventing the outflowing liquid from causing harm to the staff, thereby achieving the effect of sealing the valve interface 3.
[0031] When the gate valve is used, first slide the slider 56. After the slider 56 slides a certain distance on the slide, stop sliding the slider 56. At this time, the slider 56 abuts against the limit frame 57. Then, use one end of the clamping block 55 to connect to the surface of the slider 56. Then, slide the clamping block 55 to connect to the limit frame 57. At this time, the slider 56 is fixed by the clamping block 55. At this time, rotate the cleaning brush 52. After the cleaning brush 52 rotates a certain angle on the filter frame 51, stop rotating the cleaning brush 52. At this time, the cleaning brush 52 cleans the debris on the surface of the filter screen 58. The cleaning brush 52 is no longer used. After cleaning the debris on the surface of the filter screen 58, rotate the cleaning brush 52. The cleaning brush 52 rotates a certain angle After that, the rotation of the cleaning brush 52 is stopped, and then the card block 55 is slid. After the card block 55 slides a certain distance on the limit frame 57, the sliding block 56 is stopped. At this time, the card block 55 and the limit frame 57 are no longer fixed, and the card block 55 can be taken out. Then the sliding block 56 is slid. The sliding block 56 slides on the slide toward the direction close to the brush. After the sliding block 56 slides a certain distance, the sliding block 56 is stopped. At this time, the sliding block 56 fixes the cleaning brush 52, and the cleaning brush 52 is no longer used. By setting the cleaning structure 5, when the staff uses the stop valve, the debris on the surface of the valve interface 3 can be filtered, thereby preventing the stop valve from being blocked due to a large amount of debris accumulated inside the stop valve.
[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.
Claims
1. A leak-proof gate valve, comprising a gate valve body (1), characterized in that: The surface of the gate valve body (1) is threadedly connected to a hand wheel (2), and the surface of the gate valve body (1) is fixedly connected to two valve interfaces (3), and the surfaces of the two valve interfaces (3) are provided with a sealing structure (4), and the sealing structure (4) comprises two cylinders (41), the inner walls of the two cylinders (41) are fixedly connected to the gate valve body (1), the arc surfaces of the two cylinders (41) are threadedly connected to sealing sleeves (42), the interiors of the two sealing sleeves (42) are slidably connected to sealing gaskets (44), the inner walls of the two sealing sleeves (42) are fixedly connected to sleeves (47), the arc surfaces of the two sleeves (47) are in contact with the sealing gaskets (44), the inner walls of the two sleeves (47) are in contact with the valve interfaces (3), and the inner wall of the sealing sleeve (42) is an inclined surface.
2. A leak-proof gate valve according to claim 1, characterized in that: A round rod (46) is fixedly inserted inside the gate valve body (1), a rope (48) is fixedly connected to the surface of the gate valve body (1), and a wedge (45) is fixedly connected to the surface of the rope (48).
3. The anti-leakage gate valve according to claim 1, characterized in that: A plurality of limit blocks (43) are fixedly connected to the surface of the sealing sleeve (42), and the surfaces of the plurality of limit blocks (43) are in contact with the sealing pad (44).
4. The anti-leakage gate valve according to claim 1, characterized in that: The inner walls of the two valve interfaces (3) are provided with a cleaning structure (5), the cleaning structure (5) comprising two filter frames (51), the arc surfaces of the two filter frames (51) are fixedly connected to the valve interface (3), the interior of the filter frames (51) is fixedly connected with a filter screen (58), the surface of the filter frames (51) is rotatably connected with a cleaning brush (52), and the interior of the two cleaning brushes (52) are threadedly connected with screws (53).
5. The anti-leakage gate valve according to claim 4, characterized in that: The surfaces of the two filter frames (51) are fixedly connected with sliding frames (54), and the interiors of the two sliding frames (54) are slidably connected with sliding blocks (56), and the size of the sliding blocks (56) is compatible with the size of the cleaning brush (52).
6. The anti-leakage gate valve according to claim 4, characterized in that: The surfaces of the two filter frames (51) are both fixedly connected to the limiting frames (57), and the surfaces of the two limiting frames (57) are both slidably connected to the clamping blocks (55).