CN221003807U - Butterfly valve structure with good sealing effect - Google Patents
Butterfly valve structure with good sealing effect Download PDFInfo
- Publication number
- CN221003807U CN221003807U CN202321441321.6U CN202321441321U CN221003807U CN 221003807 U CN221003807 U CN 221003807U CN 202321441321 U CN202321441321 U CN 202321441321U CN 221003807 U CN221003807 U CN 221003807U
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- CN
- China
- Prior art keywords
- butterfly valve
- sealing ring
- plastic sealing
- fixedly connected
- plastic
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- 238000007789 sealing Methods 0.000 title claims abstract description 115
- 230000000694 effects Effects 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 75
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 230000001771 impaired effect Effects 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model is applicable to the technical field of butterfly valve structures, and provides a butterfly valve structure with good sealing effect, which comprises a butterfly valve body and a sealing structure, wherein a butterfly valve rod is vertically arranged in an inner cavity of the butterfly valve body in a rotatable manner, and a butterfly valve plate is fixedly connected to the surface of the butterfly valve rod; the sealing structure comprises an accommodating groove, the accommodating groove is formed in the inner wall surface of the butterfly valve body, and the inner cavity of the accommodating groove is fixedly connected with a first plastic sealing ring. This butterfly valve structure that sealed effectual, protect the second plastic seal circle rotation in-process through first plastic seal circle, avoid second plastic seal circle and metal part contact, reduce second plastic seal circle because of the impaired injury of friction, and second plastic seal circle and first plastic seal circle long service life, and then guarantee butterfly valve structure after long-time use, still keep better leakproofness, do benefit to butterfly valve sealed use, extension butterfly valve's life.
Description
Technical Field
The utility model belongs to the technical field of butterfly valve structures, and particularly relates to a butterfly valve structure with a good sealing effect.
Background
The butterfly valve is also called as flap valve, and is a simple-structure regulating valve, and belongs to one of valves for controlling medium flow in a pipeline.
The butterfly valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, the sealing performance of the existing butterfly valve structure is poor, the sealing ring can rub with the outer metal edge of the valve body, the sealing ring is easy to fall off, and after the butterfly valve is used for a long time, the surface of the sealing ring is extremely easy to be severely worn, so that the sealing effect of the butterfly valve is reduced, and the butterfly valve is unfavorable for long-time sealing use.
Disclosure of utility model
The utility model provides a butterfly valve structure with good sealing effect, and aims to solve the problems that the sealing performance of the existing butterfly valve structure is poor, a sealing ring can rub against the outer metal edge of a valve body, the sealing performance of the butterfly valve structure can be further reduced, and long-time sealing use is not facilitated.
The butterfly valve structure with good sealing effect comprises a butterfly valve body and a sealing structure, wherein a butterfly valve rod is vertically arranged in an inner cavity of the butterfly valve body in a rotatable mode, and a butterfly valve plate is fixedly connected to the surface of the butterfly valve rod;
the sealing structure comprises an accommodating groove, the accommodating groove is formed in the inner wall surface of the butterfly valve body, a first plastic sealing ring is fixedly connected to the inner cavity of the accommodating groove, the inner wall surface of the first plastic sealing ring extends to the inner cavity of the butterfly valve body, elastic rings are fixedly connected to the front side and the rear side of the outer surface of the first plastic sealing ring, and a fixing ring groove matched with the elastic rings is formed in the inner wall surface of the accommodating groove;
and a rotating handle structure for driving the valve rod of the butterfly valve to rotate is arranged above the valve body of the butterfly valve.
Preferably, a sealing element is fixedly connected to the top of the butterfly valve body, and the top end of the butterfly valve rod rotatably penetrates through the sealing element and extends to the outside of the butterfly valve body.
Preferably, the rotating handle structure comprises a fixed block, the fixed block is fixedly connected to the top end of the butterfly valve rod, a connecting disc is detachably arranged on the upper surface of the fixed block through a bolt, and a rotating block is fixedly connected to the upper surface of the connecting disc.
Preferably, the surface of the rotating block is transversely and fixedly connected with a connecting handle, and the other end of the surface of the connecting handle is provided with anti-skid patterns.
Preferably, the butterfly valve butterfly plate is provided with an accommodating ring groove on the outer surface, and a second plastic sealing ring which is in contact with the inner wall surface of the first plastic sealing ring is arranged in the accommodating ring groove.
Preferably, the second plastic sealing ring and the first plastic sealing ring are made of polytetrafluoroethylene.
Preferably, the outer surface of the second plastic sealing ring extends to the outside of the containing ring groove, and when the second plastic sealing ring is abutted against the inner wall surface of the first plastic sealing ring, the second plastic sealing ring is located between the two elastic rings.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: according to the butterfly valve structure with good sealing effect, after the connecting handle is twisted, the fixed block can be driven to rotate by utilizing the connection of the rotating block and the connecting disc, the butterfly valve rod of the butterfly valve is driven to rotate, the butterfly valve plate of the butterfly valve is driven to turn, after the butterfly valve plate turns and contacts with the inner wall surface of the first plastic sealing ring, the second plastic sealing ring is in interference fit with the inner wall surface of the first plastic sealing ring, the second plastic sealing ring is tightly contacted, sealing is better used, the first plastic sealing ring is embedded into the accommodating groove, the elastic ring is inserted into the corresponding fixed ring groove, labyrinth sealing can be formed, liquid can be prevented from penetrating through a gap between the first plastic sealing ring and the butterfly valve body, sealing stability of the butterfly valve structure is improved, the first plastic sealing ring protects the second plastic sealing ring in the rotation process, the second plastic sealing ring is prevented from contacting with a metal part, damage of the second plastic sealing ring due to friction is reduced, the second plastic sealing ring and the first plastic sealing ring is long in service life, and good sealing performance is still maintained after the butterfly valve structure is used for a long time, and the butterfly valve is beneficial to sealing and the service life is prolonged.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic view of the structure of a butterfly valve body and a fixed ring groove according to the present utility model;
FIG. 3 is a schematic view of the first plastic seal ring and the elastic ring according to the present utility model;
FIG. 4 is a schematic view of the butterfly valve butterfly plate and the second plastic seal ring of the utility model.
In the figure: 1. a butterfly valve body; 2. an accommodating groove; 3. a first plastic seal ring; 4. a butterfly valve stem; 5. butterfly valve butterfly plate; 6. a seal; 7. a fixed block; 8. a bolt; 9. a connecting disc; 10. a rotating block; 11. a connecting handle; 12. a fixed ring groove; 13. an elastic ring; 14. a receiving ring groove; 15. and a second plastic sealing ring.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a butterfly valve structure that sealed effectual, includes butterfly valve body 1 and seal structure, and the inner chamber of butterfly valve body 1 rotationally is vertical to be provided with butterfly valve rod 4, and the fixed surface of butterfly valve rod 4 is connected with butterfly valve butterfly plate 5.
The sealing structure comprises an accommodating groove 2, the accommodating groove 2 is formed in the inner wall surface of the butterfly valve body 1, the inner cavity of the accommodating groove 2 is fixedly connected with a first plastic sealing ring 3, the inner wall surface of the first plastic sealing ring 3 extends to the inner cavity of the butterfly valve body 1, and a rotating handle structure for driving the butterfly valve rod 4 to rotate is arranged above the butterfly valve body 1.
The front side and the rear side of the outer surface of the first plastic sealing ring 3 are fixedly connected with elastic rings 13, a fixing ring groove 12 matched with the elastic rings 13 is formed in the inner wall surface of the accommodating groove 2, an accommodating ring groove 14 is formed in the outer surface of the butterfly valve butterfly plate 5, and a second plastic sealing ring 15 which is in contact with the inner wall surface of the first plastic sealing ring 3 is arranged in the accommodating ring groove 14.
The rotating handle structure drives the butterfly valve rod 4 to rotate, and then drives the butterfly valve butterfly plate 5 to overturn, and after the butterfly valve butterfly plate 5 overturns and contacts with the inner wall surface of the first plastic sealing ring 3, the second plastic sealing ring 15 collides with the inner wall surface of the first plastic sealing ring 3 to form interference fit, and the contact is tight, and better sealing use is carried out.
The first plastic sealing ring 3 is embedded into the accommodating groove 2, the elastic ring 13 is inserted into the corresponding fixed ring groove 12, so that labyrinth seal can be formed, liquid can be prevented from penetrating through a gap between the first plastic sealing ring 3 and the butterfly valve body 1, and the sealing stability of the butterfly valve structure is improved.
The first plastic sealing ring 3 protects the second plastic sealing ring 15 in the rotation process, avoids the contact of the second plastic sealing ring 15 and a metal part, reduces the damage of the second plastic sealing ring 15 caused by friction, and has long service life with the first plastic sealing ring 3, so that the butterfly valve structure is ensured to keep good sealing performance after long-time use, the butterfly valve is beneficial to sealing use, and the service life of the butterfly valve is prolonged.
Further, the top of the butterfly valve body 1 is fixedly connected with a sealing member 6, and the top end of the butterfly valve stem 4 rotatably penetrates through the inside of the sealing member 6 and extends to the outside of the butterfly valve body 1.
In this embodiment, the sealing member 6 is a prior art, and will not be described in detail herein.
Further, the rotating handle structure comprises a fixed block 7, the fixed block 7 is fixedly connected to the top end of the butterfly valve rod 4, a connecting disc 9 is detachably arranged on the upper surface of the fixed block 7 through a bolt 8, and a rotating block 10 is fixedly connected to the upper surface of the connecting disc 9.
In the embodiment, the rotating block 10 can drive the butterfly valve rod 4 to rotate through the connection of the connecting disc 9 and the fixed block 7.
Further, the surface of the rotating block 10 is transversely and fixedly connected with a connecting handle 11, and the other end of the surface of the connecting handle 11 is provided with anti-skid patterns.
In this embodiment, the connecting handle 11 is broken off, so that the rotating block 10 can be driven to rotate, and the butterfly valve rod 4 can be driven to rotate.
Further, the second plastic sealing ring 15 and the first plastic sealing ring 3 are made of polytetrafluoroethylene.
In this embodiment, polytetrafluoroethylene is a polymer obtained by polymerizing tetrafluoroethylene as a monomer, and has excellent heat resistance and cold resistance, and is resistant to acids, alkalis and various organic solvents.
It is almost insoluble in all solvents, and at the same time, polytetrafluoroethylene has the characteristic of high temperature resistance, and its friction coefficient is very low.
Further, the outer surface of the second plastic sealing ring 15 extends to the outside of the containing ring groove 14, and when the second plastic sealing ring 15 abuts against the inner wall surface of the first plastic sealing ring 3, the second plastic sealing ring 15 is located between the two elastic rings 13.
The working principle and the using flow of the utility model are as follows: after the butterfly valve is installed, the connecting handle 11 is twisted, the fixed block 7 can be driven to rotate by utilizing the connection of the rotating block 10 and the connecting disc 9, the butterfly valve rod 4 is driven to rotate, the butterfly valve butterfly plate 5 is driven to turn, after the butterfly valve butterfly plate 5 turns and contacts with the inner wall surface of the first plastic sealing ring 3, the second plastic sealing ring 15 is in interference fit with the inner wall surface of the first plastic sealing ring 3, the sealing operation is carried out well, the elastic ring 13 is inserted into the corresponding fixed ring groove 12 through the first plastic sealing ring 3, labyrinth sealing can be formed, liquid can be prevented from penetrating through a gap between the first plastic sealing ring 3 and the butterfly valve body 1, sealing stability of a butterfly valve structure is improved, the elastic ring 13 protects the second plastic sealing ring 15 from contacting with a metal part in the rotation process, damage of the second plastic sealing ring 15 due to friction is reduced, the second plastic sealing ring 15 and the first plastic sealing ring 3 are in interference fit, and the butterfly valve structure is guaranteed to maintain good sealing performance after long-time use.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a butterfly valve structure that sealed effectual, includes butterfly valve body (1) and seal structure, its characterized in that: the inner cavity of the butterfly valve body (1) is vertically provided with a butterfly valve rod (4) in a rotatable mode, and the surface of the butterfly valve rod (4) is fixedly connected with a butterfly valve plate (5);
the sealing structure comprises an accommodating groove (2), the accommodating groove (2) is formed in the inner wall surface of the butterfly valve body (1), a first plastic sealing ring (3) is fixedly connected to the inner cavity of the accommodating groove (2), the inner wall surface of the first plastic sealing ring (3) extends to the inner cavity of the butterfly valve body (1), elastic rings (13) are fixedly connected to the front side and the rear side of the outer surface of the first plastic sealing ring (3), and a fixing ring groove (12) matched with the elastic rings (13) is formed in the inner wall surface of the accommodating groove (2);
the upper part of the butterfly valve body (1) is provided with a rotating handle structure for driving the butterfly valve rod (4) to rotate.
2. The butterfly valve structure with good sealing effect as claimed in claim 1, wherein: the top fixedly connected with sealing member (6) of butterfly valve body (1), the top of butterfly valve rod (4) rotationally runs through the inside of sealing member (6) extends to the outside of butterfly valve body (1).
3. The butterfly valve structure with good sealing effect as claimed in claim 1, wherein: the rotary handle structure comprises a fixed block (7), the fixed block (7) is fixedly connected to the top end of the butterfly valve rod (4), a connecting disc (9) is detachably arranged on the upper surface of the fixed block (7) through a bolt (8), and a rotary block (10) is fixedly connected to the upper surface of the connecting disc (9).
4. A butterfly valve structure with good sealing effect as claimed in claim 3, wherein: the surface of the rotating block (10) is transversely and fixedly connected with a connecting handle (11), and the other end of the surface of the connecting handle (11) is provided with anti-skid patterns.
5. The butterfly valve structure with good sealing effect as claimed in claim 1, wherein: the butterfly valve butterfly plate is characterized in that an accommodating ring groove (14) is formed in the outer surface of the butterfly valve butterfly plate (5), and a second plastic sealing ring (15) which is in contact with the inner wall surface of the first plastic sealing ring (3) is arranged in the accommodating ring groove (14).
6. The butterfly valve structure with good sealing effect as claimed in claim 5, wherein: the second plastic sealing ring (15) and the first plastic sealing ring (3) are made of polytetrafluoroethylene.
7. The butterfly valve structure with good sealing effect as claimed in claim 5, wherein: the outer surface of the second plastic sealing ring (15) extends to the outside of the containing ring groove (14), and when the second plastic sealing ring (15) is abutted against the inner wall surface of the first plastic sealing ring (3), the second plastic sealing ring (15) is positioned between the two elastic rings (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441321.6U CN221003807U (en) | 2023-06-07 | 2023-06-07 | Butterfly valve structure with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321441321.6U CN221003807U (en) | 2023-06-07 | 2023-06-07 | Butterfly valve structure with good sealing effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003807U true CN221003807U (en) | 2024-05-24 |
Family
ID=91127208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321441321.6U Active CN221003807U (en) | 2023-06-07 | 2023-06-07 | Butterfly valve structure with good sealing effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003807U (en) |
-
2023
- 2023-06-07 CN CN202321441321.6U patent/CN221003807U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |