CN222848722U - A flat gate valve with diversion holes - Google Patents
A flat gate valve with diversion holes Download PDFInfo
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- CN222848722U CN222848722U CN202421994065.8U CN202421994065U CN222848722U CN 222848722 U CN222848722 U CN 222848722U CN 202421994065 U CN202421994065 U CN 202421994065U CN 222848722 U CN222848722 U CN 222848722U
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Abstract
本实用新型涉及平板闸阀领域，具体的说是一种带导流孔平板闸阀，包括阀体，所述阀体的两侧分别固定连通有第一通管和第二通管，所述第一通管和第二通管的内部均设置有密封机构，本实用新型通过转动手轮，阀杆在螺套的内部进行移动，阀杆的移动带动阀板进行移动，阀板与密封圈接触，密封圈受到挤压导致弹簧发生形变，弹簧由于恢复形变能力，反向挤压密封圈，进而可增加密封圈和阀板的密闭性，解决了现有的带导流孔平板闸阀在使用时当流体压力较低时，平板闸阀的金属密封面可能因密封力不足而难以达到满意的密封效果，在流体压力较高时，经常启闭闸板可能会导致金属密封面磨损过大，进而影响阀门的密封性能和使用寿命的问题。
The utility model relates to the field of flat gate valves, specifically a flat gate valve with a guide hole, comprising a valve body, wherein a first through pipe and a second through pipe are fixedly connected at both sides of the valve body, and a sealing mechanism is arranged inside the first through pipe and the second through pipe. The utility model rotates a hand wheel so that a valve stem moves inside a screw sleeve, and the movement of the valve stem drives a valve plate to move, and the valve plate contacts a sealing ring, and the sealing ring is squeezed to cause a spring to deform. Due to the ability to restore deformation, the spring reversely squeezes the sealing ring, thereby increasing the airtightness of the sealing ring and the valve plate, and solves the problem that when the existing flat gate valve with a guide hole is in use and the fluid pressure is low, the metal sealing surface of the flat gate valve may be difficult to achieve a satisfactory sealing effect due to insufficient sealing force, and when the fluid pressure is high, frequent opening and closing of the gate plate may cause excessive wear of the metal sealing surface, thereby affecting the sealing performance and service life of the valve.
Description
Technical Field
The utility model relates to the field of flat gate valves, in particular to a flat gate valve with a diversion hole.
Background
The flat gate valve with the diversion holes is a special gate valve and is characterized in that the diversion holes are designed on the valve plate, so that the valve can adjust the flow passing through in the closing process, and the flat gate valve is widely applied to multiple fields of petroleum, chemical industry, metallurgy, electric power and the like.
The existing flat gate valve with the diversion holes has some defects when in use, when the fluid pressure is low, the metal sealing surface of the flat gate valve is difficult to achieve a satisfactory sealing effect due to insufficient sealing force, fluid leakage can be caused, normal operation of a system is affected, and when the fluid pressure is high, the gate plate is frequently opened and closed, the metal sealing surface can be worn too much, and sealing performance and service life of the valve are further affected.
Disclosure of utility model
In order to make up for the defects of the prior art, the utility model provides a flat gate valve with a diversion hole.
The flat gate valve with the diversion holes comprises a valve body, wherein a first through pipe and a second through pipe are fixedly communicated with two sides of the valve body respectively, the first through pipe and the second through pipe penetrate through the valve body respectively, a valve cover is movably connected to the top of the valve body, connecting plates are fixedly connected to the bottom of the valve cover and the top of the valve body respectively, the two connecting plates are fixedly connected through bolts, a butt joint rod is fixedly connected to the top of the valve cover, a screw sleeve is fixedly connected to the inside of the butt joint rod, a valve rod is connected to the inside of the screw sleeve through threads, one end of the valve rod penetrates through the inside of the valve cover, a valve plate is rotationally connected to the bottom of the valve rod, a diversion hole body is arranged in the valve plate, a first cavity and a second cavity are respectively arranged in the valve body, and sealing mechanisms are arranged in the first through pipe and the second through pipe;
Sealing mechanism includes the sealing washer, the sealing washer is fixed connection in one side of first siphunculus and second siphunculus inner chamber respectively, the seal groove has all been seted up to the inner chamber of first siphunculus and second siphunculus, one side fixedly connected with spring of seal groove inner wall, the other end fixedly connected with of spring in one side of sealing washer, the inside of spring is provided with dead lever and movable rod, the one end fixedly connected with of dead lever in one side of seal groove inner wall, the other end sliding connection of dead lever has the movable rod, the other end fixedly connected with of movable rod in one side of sealing washer.
Preferably, the top of the valve rod is fixedly connected with a hand wheel, the top of the inner cavity of the butt joint rod is fixedly connected with a sealing bearing, and the valve rod is rotationally connected to the inside of the sealing bearing.
Preferably, one end of the movable rod is fixedly connected with a limiting block, the diameter of the limiting block is larger than that of the movable rod, and the limiting block is slidably connected to the inside of the fixed rod.
Preferably, the two sides of the valve cover inner cavity are fixedly connected with fixing blocks, one side of each fixing block is fixedly connected with a connecting rod, the bottom of each connecting rod is fixedly connected with a scraping plate, and the surface of each scraping plate is attached to the upper surface of the valve plate.
Preferably, the cleaning mechanism comprises a water outlet pipe, the water outlet pipe is fixedly communicated with the bottom of the inner cavity of the valve body, a water inlet pipe is fixedly communicated with one side of the bottom of the surface of the valve body, a control valve is fixedly connected with one sides of the water outlet pipe and the water inlet pipe, cleaning brushes are fixedly connected with two sides of the top of the second cavity, and the surfaces of the cleaning brushes are attached to the lower surface of the valve plate.
Preferably, a filter screen is fixedly connected to the inside of the diversion hole body, and the filter screen is made of stainless steel.
Preferably, the two sides of the second cavity are fixedly connected with fixing seats, the inside of the fixing seats is fixedly connected with a rotating shaft, the surface of the rotating shaft is rotationally connected with a pulley, and the surface of the pulley is attached to the surface of the valve plate.
The utility model has the advantages that:
According to the utility model, the hand wheel is rotated, the hand wheel rotates to drive the valve rod to rotate, meanwhile, the valve rod moves in the screw sleeve, the valve rod moves to drive the valve plate to move, when the valve is in a completely closed state, the valve plate is in contact with the sealing ring, the sealing ring is extruded to cause deformation of the spring, the spring reversely extrudes the sealing ring due to the resilience deformation capability, so that the tightness of the sealing ring and the valve plate can be increased, and the problems that when the existing flat gate valve with the diversion hole is in use, the metal sealing surface of the flat gate valve is difficult to achieve a satisfactory sealing effect due to insufficient sealing force, and when the fluid pressure is high, the metal sealing surface is excessively worn due to frequent opening and closing of the gate plate, so that the sealing performance and the service life of the valve are affected are solved.
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 structure of the present utility model;
FIG. 2 is a cross-sectional view of the valve body and valve stem of the present utility model;
FIG. 3 is an enlarged view of a portion of the utility model at B in FIG. 2;
FIG. 4 is an enlarged view of a portion of the utility model at A in FIG. 2;
FIG. 5 is a schematic view of the structure of the valve plate of the present utility model;
Fig. 6 is a cross-sectional view of a valve body of the present utility model.
In the figure, 1, a valve body; 2, a sealing mechanism, 201, a sealing ring, 202, a sealing groove, 203, a fixed rod, 204, a movable rod, 205, a spring, 206, a limiting block, 207, a sealing bearing, 208, a fixed block, 209, a connecting rod, 210, a scraping plate, 3, a cleaning mechanism, 301, a water outlet pipe, 302, a water inlet pipe, 303, a control valve, 304, a cleaning brush, 4, a first through pipe, 5, a second through pipe, 6, a valve cover, 7, a connecting plate, 8, a bolt, 9, a hand wheel, 10, a butt joint rod, 11, a valve rod, 12, a valve plate, 13, a first cavity, 14, a second cavity, 15, a filter screen, 16, a screw sleeve, 17, a diversion hole body, 18, a fixed seat, 19, a pulley, 20 and a rotating shaft.
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.
The application will be described in further detail with reference to figures 1-6,
The embodiment of the application discloses a flat gate valve with a diversion hole, referring to fig. 1 and 6, which comprises a valve body 1, wherein a first through pipe 4 and a second through pipe 5 are fixedly communicated with two sides of the valve body 1 respectively, the first through pipe 4 and the second through pipe 5 penetrate into the valve body 1 respectively, the top of the valve body 1 is movably connected with a valve cover 6, the bottom of the valve cover 6 and the top of the valve body 1 are fixedly connected with connecting plates 7, the two connecting plates 7 are fixedly connected through bolts 8, the top of the valve cover 6 is fixedly connected with a butt joint rod 10, the inside of the butt joint rod 10 is fixedly connected with a screw sleeve 16, a valve rod 11 is connected with internal threads of the screw sleeve 16, one end of the valve rod 11 penetrates into the valve cover 6, the bottom of the valve rod 11 is rotationally connected with a valve plate 12, the inside of the valve plate 12 is provided with a diversion hole body 17, the inside of the valve body 1 is respectively provided with a first cavity 13 and a second cavity 14, and the inside of the first through pipe 4 and the second through pipe 5 are respectively provided with a sealing mechanism 2;
Sealing mechanism 2 includes sealing washer 201, sealing washer 201 is fixed connection in one side of the inner chamber of first siphunculus 4 and second siphunculus 5 respectively, sealing groove 202 has all been seted up to the inner chamber of first siphunculus 4 and second siphunculus 5, one side fixedly connected with spring 205 of sealing groove 202 inner wall, the other end fixed connection of spring 205 is in one side of sealing washer 201, the inside of spring 205 is provided with dead lever 203 and movable rod 204, one end fixed connection of dead lever 203 is in one side of sealing groove 202 inner wall, the other end sliding connection of dead lever 203 has movable rod 204, the other end fixed connection of movable rod 204 is in one side of sealing washer 201.
Referring to fig. 1 and 2, the top of the valve rod 11 is fixedly connected with a hand wheel 9, the top of the inner cavity of the butt joint rod 10 is fixedly connected with a sealing bearing 207, the valve rod 11 is rotationally connected to the inside of the sealing bearing 207, a user can conveniently rotate the valve rod 11 by arranging the hand wheel 9, time and labor are saved, the valve rod 11 can be rotated more smoothly by arranging the sealing bearing 207, the phenomenon that the valve rod 11 is blocked in the rotating process is prevented, and the sealing performance between the butt joint rod 10 and the valve rod 11 can be improved;
Referring to fig. 3, a stopper 206 is fixedly connected to one end of the movable rod 204, the diameter of the stopper 206 is larger than that of the movable rod 204, the stopper 206 is slidably connected to the inside of the fixed rod 203, and by providing the stopper 206, the movement of the movable rod 204 can be limited, so that the movable rod 204 is prevented from being separated from the inside of the fixed rod 203;
Referring to fig. 4, both sides of the inner cavity of the valve cover 6 are fixedly connected with a fixed block 208, one side of the fixed block 208 is fixedly connected with a connecting rod 209, the bottom of the connecting rod 209 is fixedly connected with a scraping plate 210, the surface of the scraping plate 210 is attached to the upper surface of the valve plate 12, and the scraping plate 210 can enable the valve plate 12 to be in contact with the surface of the valve plate 12 in the up-and-down moving process, so that impurities on the upper surface of the valve plate 12 can be scraped off, and the cleanliness and smoothness of the surface of the valve plate 12 are improved, so that the sealing performance and the running efficiency of the valve plate 12 are improved;
Referring to fig. 1 and 2, a cleaning mechanism 3 is arranged in the second cavity 14, the cleaning mechanism 3 comprises a water outlet pipe 301, the water outlet pipe 301 is fixedly communicated with the bottom of an inner cavity of the valve body 1, one side of the bottom of the surface of the valve body 1 is fixedly communicated with a water inlet pipe 302, one sides of the water outlet pipe 301 and one side of the water inlet pipe 302 are fixedly connected with a control valve 303, two sides of the top of the second cavity 14 are fixedly connected with cleaning brushes 304, the surfaces of the cleaning brushes 304 are attached to the lower surface of the valve plate 12, water is infused into the valve body 1 from the water inlet pipe 302 by arranging the cleaning mechanism 3, impurities on the lower surface of the valve plate 12 can be scraped through the cleaning brushes 304 when the valve plate 12 moves, the cleanliness of the valve plate 12 is guaranteed, and sewage can be discharged from the water outlet pipe 301 by arranging the water outlet pipe 301;
Referring to fig. 2 and 5, the filter screen 15 is fixedly connected to the inside of the diversion hole body 17, the filter screen 15 is made of stainless steel, and through arranging the filter screen 15, the circulated fluid can be filtered, so that the cleanliness of the inside of the first through pipe 4 is ensured, and the influence of impurity circulation on the overall tightness is prevented;
Referring to fig. 6, both sides of the second cavity 14 are fixedly connected with a fixing seat 18, an inside of the fixing seat 18 is fixedly connected with a rotating shaft 20, a surface of the rotating shaft 20 is rotationally connected with a pulley 19, the surface of the pulley 19 is attached to the surface of the valve plate 12, and by arranging the pulley 19, friction force in the moving process of the valve plate 12 can be reduced, so that the valve plate 12 moves more stably, and the valve plate 12 is prevented from being blocked in the moving process.
The working principle is that when fluid is required to pass through, the hand wheel 9 is rotated anticlockwise, the hand wheel 9 rotates to drive the valve rod 11 to rotate, meanwhile, the valve rod 11 moves upwards in the screw sleeve 16, the valve rod 11 moves upwards to drive the valve plate 12 to move, the valve plate 12 moves to drive the diversion hole body 17 to be gradually communicated with the first through pipe 4 and the second through pipe 5 until the diversion hole body 17, the first through pipe 4 and the second through pipe 5 are completely overlapped, at the moment, fluid can smoothly pass through the diversion hole body 17, the first through pipe 4 and the second through pipe 5, the valve is in a fully opened state, when fluid is not required to pass through, the hand wheel 9 is rotated clockwise, the hand wheel 9 rotates to drive the valve plate 12 to move downwards through the valve rod 11, the diversion hole body 17 gradually staggers with the first through pipe 4 and the second through pipe 5 along with the descending of the valve plate 12, when the valve plate 12 is in a fully closed state, the valve plate 12 is in a fixed position, the valve plate 12 contacts with the sealing ring 201, the sealing ring 201 is extruded to cause the spring 205 to deform, the spring 205 is reversely extruded by the deformability, the sealing ring 201 and the sealing ring 12 can be increased, in the sealing tightness of the valve plate 12, the valve plate 210 is in a fully opened state, when the valve plate 12 moves, the surface of the valve plate 12 is in a fully opened state, the surface of the sealing ring 12 is in contact with the surface of the valve plate 12, the sealing ring 12 is cleaned, the surface of the sealing ring 12 is cleaned, and the surface of the water is cleaned by the water, and the surface of the water is discharged from the surface of the valve plate 12 through the water pipe 301, and the surface of the valve pipe 12, and the water pipe 301.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. The flat gate valve with the diversion holes is characterized by comprising a valve body (1), wherein a first through pipe (4) and a second through pipe (5) are fixedly communicated with two sides of the valve body (1) respectively, the first through pipe (4) and the second through pipe (5) penetrate into the valve body (1) respectively, a valve cover (6) is movably connected to the top of the valve body (1), connecting plates (7) are fixedly connected to the bottom of the valve cover (6) and the top of the valve body (1), two connecting plates (7) are fixedly connected through bolts (8), a butt joint rod (10) is fixedly connected to the top of the valve cover (6), a screw sleeve (16) is fixedly connected to the inside of the butt joint rod (10), a valve rod (11) is connected to the inside of the screw sleeve (16) in a threaded manner, one end of the valve rod (11) penetrates into the valve cover (6), a valve plate (12) is rotatably connected to the bottom of the valve rod (11), a diversion hole body (17) is formed in the valve plate (12), a first cavity (13) and a second through pipe (14) are formed in the valve body (1), and a second through pipe (2) are respectively provided with a first cavity (4) and a second cavity (2).
Sealing mechanism (2) are including sealing washer (201), one side of sealing washer (201) fixed connection in first siphunculus (4) and second siphunculus (5) inner chamber respectively, seal groove (202) have all been seted up to the inner chamber of first siphunculus (4) and second siphunculus (5), one side fixedly connected with spring (205) of seal groove (202) inner wall, the other end fixedly connected with of spring (205) is in one side of sealing washer (201), the inside of spring (205) is provided with dead lever (203) and movable rod (204), one end fixedly connected with of dead lever (203) is in one side of seal groove (202) inner wall, the other end sliding connection of dead lever (203) has movable rod (204), the other end fixedly connected with of movable rod (204) is in one side of sealing washer (201).
2. The flat gate valve with the diversion holes according to claim 1, wherein the top of the valve rod (11) is fixedly connected with a hand wheel (9), the top of the inner cavity of the docking rod (10) is fixedly connected with a sealing bearing (207), and the valve rod (11) is rotatably connected to the inside of the sealing bearing (207).
3. The flat gate valve with the diversion holes of claim 1, wherein one end of the movable rod (204) is fixedly connected with a limiting block (206), the diameter of the limiting block (206) is larger than that of the movable rod (204), and the limiting block (206) is slidably connected to the inside of the fixed rod (203).
4. The flat gate valve with the diversion holes of claim 1, wherein the two sides of the inner cavity of the valve cover (6) are fixedly connected with fixed blocks (208), one side of each fixed block (208) is fixedly connected with a connecting rod (209), the bottom of each connecting rod (209) is fixedly connected with a scraper blade (210), and the surface of each scraper blade (210) is attached to the upper surface of the valve plate (12).
5. The flat gate valve with the diversion holes according to claim 1, wherein the cleaning mechanism (3) is arranged in the second cavity (14), the cleaning mechanism (3) comprises a water outlet pipe (301), the water outlet pipe (301) is fixedly communicated with the bottom of the inner cavity of the valve body (1), a water inlet pipe (302) is fixedly communicated with one side of the bottom of the surface of the valve body (1), a control valve (303) is fixedly connected with one side of each of the water outlet pipe (301) and the water inlet pipe (302), cleaning brushes (304) are fixedly connected with two sides of the top of the second cavity (14), and the surface of each cleaning brush (304) is attached to the lower surface of the valve plate (12).
6. The flat gate valve with the diversion holes according to claim 1, wherein a filter screen (15) is fixedly connected to the inside of the diversion hole body (17), and the filter screen (15) is made of stainless steel.
7. The flat gate valve with the diversion holes according to claim 1, wherein the two sides of the second cavity (14) are fixedly connected with a fixed seat (18), a rotating shaft (20) is fixedly connected to the inside of the fixed seat (18), a pulley (19) is rotatably connected to the surface of the rotating shaft (20), and the surface of the pulley (19) is attached to the surface of the valve plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421994065.8U CN222848722U (en) | 2024-08-16 | 2024-08-16 | A flat gate valve with diversion holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421994065.8U CN222848722U (en) | 2024-08-16 | 2024-08-16 | A flat gate valve with diversion holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222848722U true CN222848722U (en) | 2025-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421994065.8U Active CN222848722U (en) | 2024-08-16 | 2024-08-16 | A flat gate valve with diversion holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222848722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120720425A (en) * | 2025-08-21 | 2025-09-30 | 福建辰消科技有限公司 | A multi-sealed valve plate structure and soft-sealed gate valve |
-
2024
- 2024-08-16 CN CN202421994065.8U patent/CN222848722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120720425A (en) * | 2025-08-21 | 2025-09-30 | 福建辰消科技有限公司 | A multi-sealed valve plate structure and soft-sealed gate valve |
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