CN217481988U - Butterfly valve with multiple sealing structure - Google Patents
Butterfly valve with multiple sealing structure Download PDFInfo
- Publication number
- CN217481988U CN217481988U CN202220653181.8U CN202220653181U CN217481988U CN 217481988 U CN217481988 U CN 217481988U CN 202220653181 U CN202220653181 U CN 202220653181U CN 217481988 U CN217481988 U CN 217481988U
- Authority
- CN
- China
- Prior art keywords
- valve
- positioning
- sealing
- seat
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a butterfly valve with multiple sealing structure, which comprises a valve seat, wherein a supporting seat is arranged on the upper side of the valve seat, a channel is arranged in the valve seat, a valve rod is arranged in the supporting seat, a valve clack is rotatably arranged in the channel, the valve rod is fixedly connected with the middle part of the upper side of the valve clack, a hand wheel is arranged at one end of the valve rod, a sealing ring is arranged on the outer side of the valve clack, a groove is arranged in the valve seat, a positioning fastener is arranged in the groove in a sliding manner, a sealing layer is arranged on the outer side of the positioning fastener, and a positioning sealing groove is arranged in the middle part of the valve clack, the sealing effect is better.
Description
Technical Field
The utility model relates to a butterfly valve technical field specifically is a butterfly valve with multiple seal structure.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
In the butterfly valve with the multiple sealing structure, which is applied under the application number of CN202121200226.8 in the prior art, the stability of the valve clack and the valve seat is poor when the valve clack is clamped and connected in a closed manner, so that the sealing performance of the valve clack is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a butterfly valve with multiple seal structure to stability when solving among the prior art valve clack and the closed joint of disk seat is relatively poor, thereby influences the sealing performance problem that the valve clack used.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a butterfly valve with multiple seal structure, includes the disk seat, the supporting seat is installed to the disk seat upside, the inside passageway of having seted up of disk seat, supporting seat internally mounted has the valve rod, the inside rotatory valve clack of installing of passageway, and valve rod and valve clack upside middle part fixed connection, the hand wheel is installed to valve rod one end, the sealing ring is installed in the valve clack outside, the inside recess of having seted up of disk seat, the inside slip of recess is provided with the location fastener, the sealing layer is installed in the location fastener outside, the location seal groove has been seted up at the middle part in the valve clack, and location fastener slip card establishes in the location seal groove.
Further, the positioning clamping piece is arranged into a semicircular piece, and the cross section of the positioning clamping piece is triangular.
Furthermore, positioning seats are installed on two sides of the middle of the valve seat, fastening screw rods are installed in the positioning seats in a threaded mode, and a sealing cover is installed at one end of each positioning seat.
Furthermore, a positioning groove is formed in the valve seat, and a spring is arranged between the positioning groove and the positioning clamping piece.
Furthermore, the sealing rings are arranged in parallel and are two sets, and the two sealing rings are respectively arranged on two sides of the positioning sealing groove.
Furthermore, the springs are symmetrically arranged relative to the middle of the positioning clamping piece, and two groups of springs are arranged.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a sealing ring is installed in the valve clack outside, and sealing ring parallel arrangement is two sets of, and two sealing rings set up respectively in the both sides of positioning seal groove, are convenient for improve the leakproofness that disk seat and valve clack slip card were established, and the leakproofness is stronger.
2. The utility model discloses and through inside location fastener and the sealing layer that is equipped with of disk seat, and fix a position fastener sliding card and establish in the positioning seal groove in the valve clack outside for stability and leakproofness when can improve valve clack and the closed joint of disk seat, sealed effect is better.
3. The utility model discloses a constant head tank has still been seted up to the disk seat inside, and installs the spring between constant head tank and the location fastener, and the spring sets up about location fastener middle part symmetry, and the spring is provided with two sets ofly, and when the spring was natural state, the location fastener contracts in the recess completely for through rotation regulation fastening screw, thereby can be with fixing a position the fastener joint in the positioning seal groove in the valve clack outside, convenient operation is swift, and positional stability is high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a left side view of the overall structure of the present invention;
FIG. 2 is a transverse cross-sectional view of the valve seat and flap of the present invention;
fig. 3 is a schematic view of the positioning fastener of the present invention.
In the figure: 1. a valve seat; 2. a supporting base; 3. a valve stem; 4. a hand wheel; 5. a valve clack; 6. a seal ring; 7. positioning seats; 8. fastening a screw rod; 9. a sealing cover; 10. a groove; 11. a sealing layer; 12. positioning the clamping piece; 13. positioning a groove; 14. a spring; 15. a channel; 16. and positioning the sealing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, a butterfly valve with multiple sealing structures includes a valve seat 1, a support seat 2 is installed on an upper side of the valve seat 1, a passage 15 is formed in the valve seat 1, a valve rod 3 is installed in the support seat 2, a valve flap 5 is rotatably installed in the passage 15 for controlling opening and closing of the passage 15, the valve rod 3 is fixedly connected with a middle portion of an upper side of the valve flap 5, a hand wheel 4 is installed at one end of the valve rod 3, a sealing ring 6 is installed on an outer side of the valve flap 5, the sealing ring 6 is a rubber ring for improving sealing performance of sliding clamping of the valve seat 1 and the valve flap 5, the sealing performance is strong, a groove 10 is formed in the valve seat 1, a positioning clamping member 12 is slidably installed in the groove 10, a sealing layer 11 is installed on an outer side of the positioning clamping member 12, a positioning sealing groove 16 is formed in a middle portion of the valve flap 5, and the positioning clamping member 12 is slidably clamped in the positioning sealing groove 16, stability and leakproofness when making can improve valve clack 5 and the closed joint of disk seat 1, sealed effect is better.
Preferably, the positioning clamping piece 12 is arranged into a semicircular piece, and the cross section of the positioning clamping piece 12 is triangular, so that the clamping and positioning treatment can be conveniently carried out on the outer side of the valve clack 5.
Preferably, positioning seats 7 are installed on two sides of the middle of the valve seat 1, fastening screws 8 are installed on the inner threads of the positioning seats 7, and sealing covers 9 are installed at one ends of the positioning seats 7, so that the positioning clamping pieces 12 can be conveniently moved, adjusted and processed by rotationally adjusting the fastening screws 8.
Preferably, a positioning groove 13 is further formed in the valve seat 1, a spring 14 is installed between the positioning groove 13 and the positioning clamping piece 12, the positioning clamping piece 12 is conveniently reset in the groove 10, the spring 14 is symmetrically arranged in the middle of the positioning clamping piece 12, the spring 14 is provided with two groups, when the spring 14 is in a natural state, the positioning clamping piece 12 completely contracts in the groove 10, the fastening screw 8 is adjusted in a rotating mode, the positioning clamping piece 12 can be clamped in a positioning sealing groove 16 in the outer side of the valve clack 5, the operation is convenient and fast, and the positioning stability is high.
Preferably, the sealing rings 6 are arranged in parallel, and the two sealing rings 6 are respectively arranged on two sides of the positioning sealing groove 16, so that the sealing performance of the sliding clamping of the valve seat 1 and the valve clack 5 is improved, and the sealing performance is stronger.
The utility model discloses a theory of operation and use flow: the sealing rings 6 are arranged on the outer side of the valve clack 5, the two groups of sealing rings 6 are arranged in parallel, and the two sealing rings 6 are respectively arranged on the two sides of the positioning sealing groove 16, so that the sealing performance of the sliding clamping of the valve seat 1 and the valve clack 5 is improved, and the sealing performance is strong; and through the inside location fastener 12 and the sealing layer 11 that is equipped with of disk seat 1, and location fastener 12 slides to block and establishes in the location seal groove 16 in the valve clack 5 outside for stability and leakproofness when can improve valve clack 5 and disk seat 1 closed joint, sealed effect is better.
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 described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A butterfly valve with multiple sealing structures, comprising a valve seat (1), characterized in that: supporting seat (2) are installed to disk seat (1) upside, inside passageway (15) of having seted up of disk seat (1), supporting seat (2) internally mounted has valve rod (3), passageway (15) internal rotation is installed valve clack (5), and valve rod (3) and valve clack (5) upside middle part fixed connection, hand wheel (4) are installed to valve rod (3) one end, sealing ring (6) are installed in valve clack (5) outside, disk seat (1) inside seted up recess (10), the inside slip of recess (10) is provided with location fastener (12), sealing layer (11) are installed in location fastener (12) outside, positioning seal groove (16) have been seted up at the middle part in valve clack (5), and location fastener (12) slip card is established in positioning seal groove (16).
2. The butterfly valve with multiple seal structures of claim 1, wherein: the positioning clamping piece (12) is arranged into a semicircular piece, and the cross section of the positioning clamping piece (12) is triangular.
3. The butterfly valve with multiple seal structures of claim 1, wherein: positioning seats (7) are installed on two sides of the middle of the valve seat (1), and fastening screw rods (8) are installed on the inner threads of the positioning seats (7).
4. The butterfly valve with multiple seal structures of claim 1, wherein: a positioning groove (13) is further formed in the valve seat (1), and a spring (14) is installed between the positioning groove (13) and the positioning clamping piece (12).
5. The butterfly valve with multiple seal structures of claim 1, wherein: the sealing rings (6) are arranged in parallel, and the two sealing rings (6) are respectively arranged on two sides of the positioning sealing groove (16).
6. The butterfly valve with multiple sealing structures of claim 4, wherein: the springs (14) are symmetrically arranged relative to the middle of the positioning clamping piece (12), and two groups of springs (14) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220653181.8U CN217481988U (en) | 2022-03-24 | 2022-03-24 | Butterfly valve with multiple sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220653181.8U CN217481988U (en) | 2022-03-24 | 2022-03-24 | Butterfly valve with multiple sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481988U true CN217481988U (en) | 2022-09-23 |
Family
ID=83306821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220653181.8U Active CN217481988U (en) | 2022-03-24 | 2022-03-24 | Butterfly valve with multiple sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108757A (en) * | 2023-10-23 | 2023-11-24 | 华能济南黄台发电有限公司 | Butterfly valve for low-pressure cylinder zero-output heat supply transformation |
-
2022
- 2022-03-24 CN CN202220653181.8U patent/CN217481988U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117108757A (en) * | 2023-10-23 | 2023-11-24 | 华能济南黄台发电有限公司 | Butterfly valve for low-pressure cylinder zero-output heat supply transformation |
| CN117108757B (en) * | 2023-10-23 | 2024-01-26 | 华能济南黄台发电有限公司 | Butterfly valve for low-pressure cylinder zero-output heat supply transformation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217481988U (en) | Butterfly valve with multiple sealing structure | |
| US9506571B1 (en) | Cryogenic cam butterfly valve | |
| CN209654621U (en) | A kind of novel two-way high sealing double eccentric butterfly valve | |
| CN213206588U (en) | Butt clamp butterfly valve body | |
| CN217633913U (en) | Double-seal structure of metal seal butterfly valve | |
| CN211371315U (en) | Butt clamp type soft sealing butterfly valve | |
| CN205780983U (en) | A kind of high-pressure heavy-caliber flat-plate gate | |
| CN210423750U (en) | Butterfly valve that leakproofness is strong | |
| CN205479385U (en) | Butterfly valve | |
| CN211624335U (en) | Flexible seal telescopic butterfly valve | |
| CN217481989U (en) | Pneumatic expansion butterfly valve | |
| CN213776407U (en) | Aluminum alloy opposite-clamping butterfly valve | |
| CN212959902U (en) | High-performance low-resistance portable butterfly valve | |
| CN221075269U (en) | Groove butterfly valve with good sealing performance | |
| CN211624220U (en) | Pneumatic wafer formula rubber two way seal butterfly valve | |
| CN210770315U (en) | Wafer type silencing butterfly valve | |
| CN210890151U (en) | Full lining LUG butterfly valve | |
| CN215806361U (en) | Double semi-axis middle line type soft seal butterfly valve of wafer formula | |
| CN214500073U (en) | Butterfly valve body | |
| CN209839179U (en) | Forced closed stop valve for air compressor | |
| CN214789099U (en) | J-shaped triple eccentric butterfly valve | |
| CN216158350U (en) | Wear-resistant and corrosion-resistant double-channel butterfly valve | |
| CN219975393U (en) | Sealing structure of butterfly valve | |
| CN207864639U (en) | A kind of wafer type hard seal butterfly valve | |
| US20110024660A1 (en) | Angle-seating butterfly vane and method for producing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201900 floor 1, building 1, No. 58, Dijie Road, Baoshan District, Shanghai Patentee after: Shanghai Biruite Valve Group Co.,Ltd. Address before: 200949 floor 1, building 1, No. 58, Dijie Road, Baoshan District, Shanghai Patentee before: Boruite (Shanghai) Fluid Technology Co.,Ltd. |