CN220248952U - High-performance self-sealing soft sealing butterfly valve - Google Patents
High-performance self-sealing soft sealing butterfly valve Download PDFInfo
- Publication number
- CN220248952U CN220248952U CN202321756645.9U CN202321756645U CN220248952U CN 220248952 U CN220248952 U CN 220248952U CN 202321756645 U CN202321756645 U CN 202321756645U CN 220248952 U CN220248952 U CN 220248952U
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- valve
- sleeve
- fixedly connected
- sealing
- valve rod
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- 238000007789 sealing Methods 0.000 title claims abstract description 38
- 241000283216 Phocidae Species 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Abstract
The utility model discloses a high-performance self-sealing soft sealing butterfly valve which comprises a valve body, wherein the inner wall of the valve body is fixedly connected with a valve seat in a fitting way, a circular valve plate is arranged in the valve seat, a sleeve is fixedly arranged in the middle of the circular valve plate, the top end of the valve body is fixedly connected with a shaft sleeve, a valve rod is jointly penetrated through the shaft sleeve and the sleeve, the valve rod is fixedly connected with the sleeve, the valve rod is rotationally connected with the shaft sleeve, and the top end of the shaft sleeve is fixedly connected with a driving assembly for driving the valve rod to rotate through a bolt. According to the utility model, the valve body, the valve seat, the valve plate, the sleeve, the shaft sleeve and the valve rod are arranged, the valve seat is made of rubber materials, two convex and symmetrical semicircular rings are arranged in the valve seat, when the valve plate is closed, the side edge of the valve plate is attached to the inner wall of the valve seat, and the valve plate is attached to the two symmetrical semicircular rings at the moment, so that the tightness between the valve plate and the valve seat is improved, and the sealing effect of the closed butterfly valve is improved.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a high-performance self-sealing soft sealing butterfly valve.
Background
The soft sealing butterfly valve is used as a component for realizing the cutting-off and flow control of a pipeline system, and has been widely applied in many fields of petroleum, chemical industry, metallurgy, hydropower and the like. The butterfly plate of the soft sealing butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical passage of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, the rotation angle is 0-90 degrees, and when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state. The novel stainless steel butterfly valve with long service life has the problem in the use process. The soft sealing butterfly valve can be divided into flange type soft sealing butterfly valve, butt clamp type soft sealing butterfly valve and welding type soft sealing butterfly valve according to the connection mode.
However, after the conventional soft sealing butterfly valve is used for a long time, a gap is formed between the side edge of the valve plate and the inner wall of the valve seat, so that the fitting degree of the valve plate and the inner wall of the valve seat is reduced, the tightness of the closed butterfly valve is reduced, and the valve seat made of rubber is required to be replaced frequently. Secondly, when the flow of the pipeline needs to be regulated, the valve plate needs to be rotated to a specified angle, and although the existing butterfly valve transmission is meshed through the worm and the worm wheel, the self-locking performance is achieved, if a hand wheel is touched by mistake, the angle of the valve plate is changed, so that the flow is influenced, and therefore the high-performance self-sealing soft sealing butterfly valve is provided.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a high-performance self-sealing soft sealing butterfly valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high performance self sealss's soft seal butterfly valve, includes the valve body, valve body inner wall laminating fixedly connected with disk seat, the inside circular valve plate that is provided with of disk seat, circular valve plate middle part is fixed with the sleeve, valve body top fixedly connected with axle sleeve, axle sleeve and the inside valve rod that wears to be equipped with jointly of sleeve, valve rod and sleeve fixed connection, the valve rod rotates with the axle sleeve to be connected, the axle sleeve top is used for driving valve rod pivoted drive assembly through bolt fixedly connected with, disk seat inside wall just is located the disk plate both sides and is fixed with two semicircle rings, and semicircle ring and disk seat are overall structure.
Further, the pin holes are formed in the top end of the side wall of the sleeve and the corresponding position of the valve rod, the pin rod is arranged in the pin hole of the sleeve and the pin hole of the valve rod in a penetrating mode, the sleeve and the valve rod are fixedly connected through the pin rod, and the valve rod can drive the valve plate to rotate.
Further, the sealing ring is fixed on the inner wall of the shaft sleeve, the outer side wall of the valve rod is tightly attached to the sealing ring, and the sealing ring can increase the tightness between the valve rod and the shaft sleeve.
Further, the valve seat is made of rubber materials, flanges are arranged at two ends of the valve seat, and the flanges are located outside the valve body and are attached to the surface of the valve body. When the valve body is connected with the pipeline, the flanging of the valve seat can play a role in connection and sealing.
Further, two sides of the valve plate are respectively and tightly attached to the two semicircular rings. When the valve plate is closed, two sides of the valve plate can be in close contact with the two semicircular rings, so that the tightness between the valve plate and the valve seat is better.
Further, the drive assembly is including being fixed in the casing on axle sleeve top, the valve rod top runs through the casing diapire and extends to inside the casing, the valve rod passes through sealed bearing with the casing diapire and rotates to be connected, the one end fixedly connected with worm wheel that the valve rod is located the casing, the casing lateral wall runs through and rotates and be connected with the driving shaft, the one end fixedly connected with worm that the driving shaft is located the casing, worm and worm wheel meshing, the driving shaft is located the one end fixedly connected with hand wheel outside the casing, casing top fixedly connected with top cap. Therefore, the worm can be rotated through the hand wheel, and the worm wheel and the valve rod are driven to rotate by the worm, so that the valve plate is driven to rotate.
Further, the side wall of the shell penetrates through the position close to the driving shaft and is connected with a locking screw in a threaded rotation mode, and a knob is fixedly connected to one end, located outside the shell, of the locking screw. When the valve plate rotates to a specified angle, the locking screw rod can be screwed down, so that the driving shaft is fixed, and the valve plate angle change caused by mistaken touch of the hand wheel is avoided.
The utility model has the beneficial effects that:
1. when the butterfly valve is used, the valve body, the valve seat, the valve plate, the sleeve, the shaft sleeve and the valve rod are arranged, the valve seat is made of rubber, two convex and symmetrical semicircular rings are arranged in the valve seat, when the valve plate is closed, the side edge of the valve plate is attached to the inner wall of the valve seat, and the valve plate is attached to the two symmetrical semicircular rings at the moment, so that the tightness between the valve plate and the valve seat is improved, and the sealing effect of the butterfly valve after being closed is improved.
2. When the valve plate locking device is used, the driving assembly and the hand wheel are arranged, the driving assembly comprises the shell, the worm wheel, the driving shaft, the worm, the locking screw and the top cover, the driving shaft is rotated through the hand wheel, and the worm wheel is driven by the worm to rotate, so that the valve rod and the valve plate are driven to rotate, when the flow is required to be regulated, the valve plate can be rotated to a specified angle, and then the driving shaft is locked and fixed in a mode of tightening the locking bolt, so that the valve plate is prevented from rotating after the hand wheel is mistakenly touched.
Drawings
FIG. 1 is an overall schematic of the present utility model;
FIG. 2 is a side cross-sectional view of the present utility model;
FIG. 3 is a perspective view of a valve plate of the present utility model;
FIG. 4 is a top view of the present utility model;
fig. 5 is a cross-sectional view of a drive assembly of the present utility model.
Legend description:
1. a valve body; 2. a valve seat; 201. a semicircular ring; 202. flanging; 3. a valve plate; 4. a sleeve; 5. a shaft sleeve; 501. a seal ring; 6. a valve stem; 7. a pin hole; 8. a pin rod; 9. a drive assembly; 91. a housing; 92. a worm wheel; 93. a driving shaft; 94. a worm; 95. locking the screw rod; 96. a top cover; 10. and a hand wheel.
Detailed Description
As shown in fig. 1-5, relate to a high performance self-sealing soft seal butterfly valve, including valve body 1, valve body 1 inner wall laminating fixedly connected with disk seat 2, disk seat 2 inside is provided with circular valve plate 3, circular valve plate 3 middle part is fixed with sleeve 4, valve body 1 top fixedly connected with axle sleeve 5, valve rod 6 is worn jointly to be equipped with in axle sleeve 5 and the sleeve 4 inside, valve rod 6 and sleeve 4 fixed connection, valve rod 6 rotates with axle sleeve 5 to be connected, axle sleeve 5 top is used for driving valve rod 6 pivoted drive assembly 9 through bolt fixedly connected with, disk seat 2 inside wall just is located disk plate 3 both sides and is fixed with two semicircle rings 201, and semicircle ring 201 and disk seat 2 are overall structure.
As shown in fig. 2-4, pin holes 7 are formed in the top end of the side wall of the sleeve 4 and in the corresponding position of the valve rod 6, and pin rods 8 are arranged in the pin holes 7 of the sleeve 4 and the pin holes 7 of the valve rod 6 in a penetrating mode. The valve rod 6 and the sleeve 4 can be fixedly connected together by the pin rod 8, so that the valve rod 6 can drive the sleeve 4 and the valve plate 3 to rotate.
As shown in fig. 2, a sealing ring 501 is fixed on the inner wall of the shaft sleeve 5, and the outer side wall of the valve rod 6 is tightly attached to the sealing ring 501. The sealing ring 501 can improve the tightness between the valve rod 6 and the shaft sleeve 5, and avoid the leakage of liquid in the valve body 1.
As shown in fig. 2 and 4, the valve seat 2 is made of rubber, and flanges 202 are disposed at two ends of the valve seat 2, and the flanges 202 are located outside the valve body 1 and are attached to the surface of the valve body 1. Two sides of the valve plate 3 are respectively and tightly attached to the two semicircular rings 201. When the valve plate 3 is closed, the side edge of the valve plate 3 is attached to the inner wall of the valve seat 2, the surface of the valve plate 3 is also contacted with the semicircular ring 201, so that the tightness between the valve plate 3 and the valve seat 2 is improved, and the valve plate 3 can only rotate to the side far away from the semicircular ring 201 when rotating.
As shown in fig. 2 and 5, the driving assembly 9 includes a housing 91 fixed on the top end of the shaft sleeve 5, the top end of the valve rod 6 penetrates through the bottom wall of the housing 91 and extends into the housing 91, the valve rod 6 is rotationally connected with the bottom wall of the housing 91 through a sealing bearing, one end of the valve rod 6 located in the housing 91 is fixedly connected with a worm gear 92, the side wall of the housing 91 penetrates through and rotationally connects with a driving shaft 93, one end of the driving shaft 93 located in the housing 91 is fixedly connected with a worm 94, the worm 94 is meshed with the worm gear 92, one end of the driving shaft 93 located outside the housing 91 is fixedly connected with a hand wheel 10, and the top end of the housing 91 is fixedly connected with a top cover 96. The side wall of the shell 91 is penetrated near the driving shaft 93 and is in threaded rotation connection with a locking screw 95, and one end of the locking screw 95 outside the shell 91 is fixedly connected with a knob. After the driving shaft 93 is rotated by the hand wheel 10, the worm 94 drives the worm wheel 92 to rotate, thereby driving the valve rod 6 to rotate, and the valve rod 6 drives the valve plate 3 to rotate.
Working principle: when the butterfly valve needs to be opened, the hand wheel 10 is rotated to drive the valve plate 3 to rotate 90 degrees in the valve seat 2, so that the butterfly valve is opened. If the angle of the valve plate 3 needs to be controlled to regulate the flow, after the valve plate 3 is rotated to a specified angle, the knob can be screwed to drive the locking screw 95 to abut against the driving shaft 93, so that the driving shaft 93 is fixed, and the valve plate 3 is prevented from rotating after the hand wheel 10 is touched by mistake.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a high performance self sealss's soft seal butterfly valve, includes valve body (1), its characterized in that: valve body (1) inner wall laminating fixedly connected with disk seat (2), disk seat (2) inside is provided with circular valve plate (3), circular valve plate (3) middle part is fixed with sleeve (4), valve body (1) top fixedly connected with axle sleeve (5), valve rod (6) are worn to be equipped with jointly in axle sleeve (5) and sleeve (4) inside, valve rod (6) and sleeve (4) fixed connection, valve rod (6) are connected with axle sleeve (5) rotation, axle sleeve (5) top is used for driving valve rod (6) pivoted drive assembly (9) through bolt fixedly connected with, disk seat (2) inside wall just is located disk plate (3) both sides and is fixed with two semicircle rings (201), and semicircle rings (201) are overall structure with disk seat (2).
2. The high performance self-sealing, soft seal butterfly valve of claim 1, wherein: pin holes (7) are formed in the top end of the side wall of the sleeve (4) and in corresponding positions of the valve rod (6), and pin rods (8) are jointly arranged in the pin holes (7) of the sleeve (4) and the pin holes (7) of the valve rod (6) in a penetrating mode.
3. The high performance self-sealing, soft seal butterfly valve of claim 1, wherein: the inner wall of the shaft sleeve (5) is fixedly provided with a sealing ring (501), and the outer side wall of the valve rod (6) is tightly attached to the sealing ring (501).
4. The high performance self-sealing, soft seal butterfly valve of claim 1, wherein: the valve seat (2) is made of rubber, flanges (202) are arranged at two ends of the valve seat (2), and the flanges (202) are located outside the valve body (1) and are attached to the surface of the valve body (1).
5. The high performance self-sealing, soft seal butterfly valve of claim 1, wherein: two sides of the valve plate (3) are respectively and tightly attached to the two semicircular rings (201).
6. The high performance self-sealing, soft seal butterfly valve of claim 1, wherein: the utility model provides a drive assembly (9) is including being fixed in casing (91) on axle sleeve (5) top, casing (91) diapire is run through on valve rod (6) top and is extended to inside casing (91), valve rod (6) are rotated through sealed bearing with casing (91) diapire and are connected, one end fixedly connected with worm wheel (92) that valve rod (6) are located casing (91), casing (91) lateral wall runs through and rotates and be connected with driving shaft (93), driving shaft (93) are located one end fixedly connected with worm (94) on casing (91), worm (94) and worm wheel (92) meshing, driving shaft (93) are located one end fixedly connected with hand wheel (10) outside casing (91), casing (91) top fixedly connected with top cap (96).
7. The high performance self-sealing, soft seal butterfly valve of claim 6, wherein: the side wall of the shell (91) is penetrated near the driving shaft (93) and is in threaded rotation connection with a locking screw (95), and one end of the locking screw (95) positioned outside the shell (91) is fixedly connected with a knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756645.9U CN220248952U (en) | 2023-07-06 | 2023-07-06 | High-performance self-sealing soft sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321756645.9U CN220248952U (en) | 2023-07-06 | 2023-07-06 | High-performance self-sealing soft sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220248952U true CN220248952U (en) | 2023-12-26 |
Family
ID=89235547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321756645.9U Active CN220248952U (en) | 2023-07-06 | 2023-07-06 | High-performance self-sealing soft sealing butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220248952U (en) |
-
2023
- 2023-07-06 CN CN202321756645.9U patent/CN220248952U/en active Active
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