CN216343979U - Elastic sealing valve seat for butterfly valve - Google Patents
Elastic sealing valve seat for butterfly valve Download PDFInfo
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- CN216343979U CN216343979U CN202122515841.4U CN202122515841U CN216343979U CN 216343979 U CN216343979 U CN 216343979U CN 202122515841 U CN202122515841 U CN 202122515841U CN 216343979 U CN216343979 U CN 216343979U
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Abstract
The utility model discloses an elastic sealing valve seat for a butterfly valve, which comprises a valve seat body, wherein annular bulges are fixedly connected to the front side and the rear side of the outer diameter of the valve seat body, a second bevel gear is meshed and connected to the bottom end of the outer diameter of a first bevel gear, a valve plate is fixedly connected to the middle part of a valve rod, elastic pads are fixedly connected to the front end and the rear end of the valve seat body, anti-corrosion layers are arranged on the surfaces of the valve seat body and the valve plate, and wear-resistant layers are arranged on the surfaces of the anti-corrosion layers. According to the utility model, the elastic pad is arranged on the valve seat body to play a certain role in buffering and sealing, the valve plate and the fixing ring are mutually matched to improve the sealing property of the valve seat body, the reinforcing rib is arranged to improve the strength of the valve seat body, the anti-corrosion layer, the wear-resistant layer and the unloading groove are arranged to improve the anti-corrosion and wear-resistant properties of the valve seat body, reduce the damage of stress to the valve seat body and prolong the service life of the valve seat body.
Description
Technical Field
The utility model relates to the technical field of butterfly valve corollary equipment, in particular to an elastic sealing valve seat for a butterfly valve.
Background
The butterfly valve is widely used in various pipelines, fluid in the pipelines is adjusted or cut off, a rubber valve seat is one of main parts of the butterfly valve, the butterfly valve is arranged on a valve body and is in contact with the rubber valve seat when a rotating shaft drives a valve plate to rotate, so that the valve is closed to achieve the sealing effect.
Chinese patent document CN208442292U discloses an elastic sealing valve seat for butterfly valve, comprising: the valve seat body is a first bending part, the annular structure is formed by an annular connecting part and a second bending part, the end face, deviating from the second bending part, of the first bending part is provided with a plurality of layers of annular bulges to form a sawtooth surface, the inside of the annular connecting part is provided with a containing space, the cross section of the containing space is circular, the second bending part and the first bending part are parallel to each other and are arranged at a certain interval, the sealing energizer is arranged inside the containing space of the annular connecting part, and the diameter of the sealing energizer is larger than the distance between the second bending part and the first bending part. The elastic sealing valve seat for the butterfly valve can keep good sealing performance for a long time, is long in service life, but has the problems of poor sealing performance of the valve seat, low strength of the valve seat, short service life, complex structure and the like, and therefore the existing valve seat is improved to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an elastic sealing valve seat for a butterfly valve.
In order to achieve the purpose, the utility model adopts the following technical scheme: an elastic sealing valve seat for a butterfly valve comprises a valve seat body, wherein the front side and the rear side of the outer diameter of the valve seat body are fixedly connected with annular bulges, the upper end and the lower end of the outer diameter of the valve seat body are respectively provided with a through hole, the inner diameter of the through hole is fixedly connected with a bearing, the inner diameter of the through hole is slidably connected with a shaft seat, the middle part of the top end of the outer diameter of the valve seat body is fixedly connected with a mounting seat, the top part of the left end of the mounting seat is rotatably connected with a rotating shaft, the middle part of the outer diameter of the rotating shaft is fixedly connected with a first bevel gear, the outer diameter bottom end of the first bevel gear is engaged with a second bevel gear, the middle part of the bottom end of the second bevel gear is fixedly connected with a valve rod, the bottom end of the valve rod penetrates through the middle part of the bottom end of the mounting seat and is rotatably connected with the middle part of the top end of the shaft seat, the middle part of the valve rod is fixedly connected with a valve plate, the front end and the rear end of the valve seat body are fixedly connected with elastic pads, the surfaces of the valve plate are respectively provided with anti-corrosion layers, and the surfaces of the anti-corrosion layers are provided with wear-resistant layers.
As a further description of the above technical solution:
the middle part of the inner diameter of the valve seat body is fixedly connected with a fixing ring.
As a further description of the above technical solution:
a plurality of reinforcing ribs are fixedly connected to one end of the inner side of the annular protrusion.
As a further description of the above technical solution:
the right end of the rotating shaft is rotatably connected to the top of the inner wall of the right end of the mounting seat.
As a further description of the above technical solution:
the bearing inner diameter is fixedly connected to the top of the valve rod outer diameter.
As a further description of the above technical solution:
a plurality of unloading grooves are formed in the front side and the rear side of the inner diameter of the valve seat body.
As a further description of the above technical solution:
and a sealing gasket is arranged in the middle of the outer diameter of the shaft seat.
As a further description of the above technical solution:
and a hand wheel is fixedly connected to the left end of the rotating shaft.
The utility model has the following beneficial effects:
1. according to the butterfly valve, the valve seat body is firstly installed at a proper position, the rotating shaft is driven to rotate through the hand wheel, so that the valve plate is driven to rotate, the structure is simple, the normal operation of the butterfly valve is guaranteed, the elastic cushion is arranged on the valve seat body to play a certain buffering and sealing role, and the sealing performance of the valve seat body is improved through the mutual matching of the valve plate and the fixing ring.
2. According to the utility model, the reinforcing ribs are arranged on the annular bulges, so that the strength of the valve seat body is improved, the anti-corrosion and wear-resistant properties of the valve seat body are improved by arranging the anti-corrosion layer, the wear-resistant layer and the unloading groove, and the damage of stress to the valve seat body is reduced, so that the service life of the valve seat body is prolonged.
Drawings
FIG. 1 is a schematic perspective view of an elastic sealing valve seat for a butterfly valve according to the present invention;
FIG. 2 is a front cross-sectional view of an elastomeric seal seat for a butterfly valve in accordance with the present invention;
FIG. 3 is a left side sectional view of an elastic sealing valve seat for a butterfly valve according to the present invention;
fig. 4 is a schematic surface structure diagram of an elastic sealing valve seat for a butterfly valve according to the present invention.
Illustration of the drawings:
1. a valve seat body; 2. an annular projection; 3. an elastic pad; 4. a hand wheel; 5. a rotating shaft; 6. a mounting seat; 7. a valve stem; 8. a valve plate; 9. a fixing ring; 10. an unloading slot; 11. reinforcing ribs; 12. a first bevel gear; 13. a second bevel gear; 14. a bearing; 15. a through hole; 16. a gasket; 17. a shaft seat; 18. an anti-corrosion layer; 19. and a wear-resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, one embodiment of the present invention is provided: an elastic sealing valve seat for a butterfly valve comprises a valve seat body 1, wherein the front side and the rear side of the outer diameter of the valve seat body 1 are fixedly connected with annular bulges 2, the upper end and the lower end of the outer diameter of the valve seat body 1 are respectively provided with a through hole 15, a valve rod 7 is installed, the inner diameter of the upper through hole 15 is fixedly connected with a bearing 14, the inner diameter of the lower through hole 15 is slidably connected with a shaft seat 17, the middle part of the top end of the outer diameter of the valve seat body 1 is fixedly connected with an installation seat 6, the top part of the left end of the installation seat 6 is rotatably connected with a rotating shaft 5, the normal operation of the butterfly valve is ensured, the middle part of the outer diameter of the rotating shaft 5 is fixedly connected with a first bevel gear 12, the outer diameter bottom end of the first bevel gear 12 is meshed with a second bevel gear 13, the middle part of the bottom end of the second bevel gear 13 is fixedly connected with the valve rod 7, the bottom end of the valve rod 7 penetrates through the middle part of the bottom end of the installation seat 6 and is rotatably connected with the middle part of the top end of the shaft seat 17, the middle part of the valve plate 8 is fixedly connected with the valve plate 8, the front end and the rear end of the valve seat body 1 are fixedly connected with the elastic pads 3 to play a certain role in buffering and sealing, the surfaces of the valve seat body 1 and the valve plate 8 are respectively provided with the anti-corrosion layer 18, the surface of the anti-corrosion layer 18 is respectively provided with the wear-resistant layer 19 to improve the anti-corrosion and wear-resistant performances of the valve seat body 1, the valve seat body 1 is arranged at a proper position, the hand wheel 4 drives the rotating shaft 5 to rotate, so as to drive the valve plate 8 to rotate, the structure is simple, the normal operation of the butterfly valve is ensured, the elastic pads 3 are arranged on the valve seat body 1 to play a certain role in buffering and sealing, the sealing performance of the valve seat body 1 is improved through the mutual matching of the valve plate 8 and the fixing ring 9, the reinforcing ribs 11 are arranged on the annular bulges 2 to improve the strength of the valve seat body 1, and the anti-corrosion and wear-resistant performances of the valve seat body 1 are improved through the arrangement of the anti-corrosion layer 18, the wear-resistant layer 19 and the unloading groove 10, the damage of stress to the valve seat body 1 is reduced, and the service life of the valve seat body 1 is prolonged.
Fixed ring 9 of 1 internal diameter middle part fixedly connected with of disk seat body, cooperation valve plate 8 uses, guarantee the leakproofness, the equal a plurality of strengthening ribs 11 of fixedly connected with of 2 inboard one ends of annular arch, improve disk seat body 1's intensity, 5 right-hand members of axis of rotation rotate the top of connecting at 6 right-hand members inner walls of mount pad, 14 internal diameter fixed connections of bearing are at 7 external diameter tops of valve rod, opening and shutting of control valve plate 8, both sides all are provided with a plurality of off-load grooves 10 around the 1 internal diameter of disk seat body, reduce the harm of stress to disk seat body 1, 17 external diameter middle parts of axle bed are provided with sealed 16, guarantee disk seat body 1's leakproofness, 5 left end fixedly connected with hand wheel 4 of axis of rotation, opening and shutting of control valve plate 8.
The working principle is as follows: install disk seat body 1 in suitable position, drive axis of rotation 5 through hand wheel 4 and rotate, thereby drive valve plate 8 and rotate, moreover, the steam generator is simple in structure, the normal operation of butterfly valve has been guaranteed, through be provided with cushion 3 on disk seat body 1, play certain buffering and sealed effect, rethread valve plate 8 and solid fixed ring 9 mutually support, the leakproofness of disk seat body 1 has been improved, through be provided with strengthening rib 11 on annular arch 2, the intensity of disk seat body 1 has been improved, through being provided with anti-corrosion coating 18, wearing layer 19 and off-load groove 10, the anticorrosion and the wear resistance of disk seat body 1 have been improved, reduce the harm of stress to disk seat body 1, thereby the life of disk seat body 1 has been improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a butterfly valve is with elasticity sealed disk seat, includes disk seat body (1), its characterized in that: the front side and the rear side of the outer diameter of the valve seat body (1) are fixedly connected with annular bulges (2), the upper end and the lower end of the outer diameter of the valve seat body (1) are respectively provided with a through hole (15), the inner diameter of the through hole (15) at the upper side is fixedly connected with a bearing (14), the inner diameter of the through hole (15) at the lower side is slidably connected with a shaft seat (17), the middle part of the top end of the outer diameter of the valve seat body (1) is fixedly connected with an installation seat (6), the top part of the left end of the installation seat (6) is rotatably connected with a rotating shaft (5), the middle part of the outer diameter of the rotating shaft (5) is fixedly connected with a first bevel gear (12), the bottom end of the outer diameter of the first bevel gear (12) is engaged with a second bevel gear (13), the middle part of the bottom end of the second bevel gear (13) is fixedly connected with a valve rod (7), the bottom end of the valve rod (7) penetrates through the middle part of the bottom end of the installation seat (6) and is rotatably connected with the middle part of the top end of the shaft seat (17), valve rod (7) middle part fixedly connected with valve plate (8), equal fixedly connected with cushion (3) in both ends around disk seat body (1), disk seat body (1) and valve plate (8) surface all are provided with anti-corrosion coating (18), anti-corrosion coating (18) surface all is provided with wearing layer (19).
2. The resilient seal seat according to claim 1, wherein: the valve seat body (1) is fixedly connected with a fixing ring (9) in the middle of the inner diameter.
3. The resilient seal seat according to claim 1, wherein: a plurality of reinforcing ribs (11) are fixedly connected to one end of the inner side of the annular protrusion (2).
4. The resilient seal seat according to claim 1, wherein: the right end of the rotating shaft (5) is rotatably connected to the top of the inner wall of the right end of the mounting seat (6).
5. The resilient seal seat according to claim 1, wherein: the inner diameter of the bearing (14) is fixedly connected to the top of the outer diameter of the valve rod (7).
6. The resilient seal seat according to claim 1, wherein: a plurality of unloading grooves (10) are formed in the front side and the rear side of the inner diameter of the valve seat body (1).
7. The resilient seal seat according to claim 1, wherein: and a sealing gasket (16) is arranged in the middle of the outer diameter of the shaft seat (17).
8. The resilient seal seat according to claim 1, wherein: and a hand wheel (4) is fixedly connected to the left end of the rotating shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122515841.4U CN216343979U (en) | 2021-10-19 | 2021-10-19 | Elastic sealing valve seat for butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122515841.4U CN216343979U (en) | 2021-10-19 | 2021-10-19 | Elastic sealing valve seat for butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216343979U true CN216343979U (en) | 2022-04-19 |
Family
ID=81178028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122515841.4U Active CN216343979U (en) | 2021-10-19 | 2021-10-19 | Elastic sealing valve seat for butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216343979U (en) |
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2021
- 2021-10-19 CN CN202122515841.4U patent/CN216343979U/en active Active
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