CN214367827U - High-adaptability bidirectional sealing butterfly valve - Google Patents
High-adaptability bidirectional sealing butterfly valve Download PDFInfo
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- CN214367827U CN214367827U CN202120578988.5U CN202120578988U CN214367827U CN 214367827 U CN214367827 U CN 214367827U CN 202120578988 U CN202120578988 U CN 202120578988U CN 214367827 U CN214367827 U CN 214367827U
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Abstract
The utility model discloses a high-adaptability bidirectional sealing butterfly valve, which comprises a valve body, wherein a butterfly plate is installed in the valve body in a rotating way, a valve rod is fixedly installed on the butterfly plate, and the valve rod extends out of the valve body in a rotating way along the extension direction; a stuffing box is sleeved outside the upper section of the valve rod, and a manual device is fixedly installed at the top of the stuffing box; one side of the butterfly plate is in friction connection with a valve seat, the valve seat is fixedly clamped on the fixing portion, the fixing portion is coaxially and fixedly installed in the valve body, one side of the fixing portion is fixedly provided with a screw in a fastening mode, a pressing portion is installed in the screw in a friction mode, and the butterfly plate is matched with the valve seat, so that the overall sealing performance of the valve can be guaranteed; the valve seat is clamped in the fixing part and then is fastened and installed through a screw, so that the valve seat is convenient to replace and maintain after the valve seat is abraded in the later period; meanwhile, the sealing ring at the screw connection position can ensure the sealing performance of the screw hole, the matching compression part can seal the connection position of the valve seat and the fixing part, and the supporting part can support the edge of the valve seat.
Description
Technical Field
The utility model relates to a butterfly valve technical field specifically is a high adaptability both way seal butterfly valve.
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.
When the traditional butterfly valve is in a normally open state, flowing media form front scouring to an inner sealing surface, and after soft sealing materials in a metal sheet interlayer are scoured, the sealing performance is directly influenced. The authorized Chinese utility model with publication number CN206655966U discloses a high-adaptability bidirectional sealing butterfly valve, which comprises a valve body, valve rod and butterfly plate, be provided with the runner in the valve body, the cutting off and the circulation of valve rod drive butterfly plate rotary control runner, the valve body respectively with be provided with two-way seal subassembly between the butterfly plate, two-way seal subassembly includes sealed piece and seal receptacle, the seal receptacle is installed in the inner wall of runner, the rotation axis of butterfly plate is eccentric settings with the central line of butterfly plate, the seal receptacle is provided with sealed face, sealed face relative runner direction is slope setting and towards the valve rod, the runner inner wall is provided with the regulation track that supplies the seal receptacle to slide along the runner direction, it is provided with the reset spring that resets the seal receptacle to the butterfly plate along adjusting the track direction to adjust the track, be provided with movable seal spare between regulation track and the seal receptacle, sealed piece all supports to join in marriage with sealed face and constitute sealed cooperation when butterfly plate corotation and reversal.
The utility model discloses this authorize utility model sealing stability is strong, but this utility model structure is more complicated, and the installation is comparatively troublesome, and the medium in the butterfly valve erodees for a long time simultaneously can influence the leakproofness, and we propose a high adaptability both way seal butterfly valve for this and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high adaptability both way seal butterfly valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-adaptability bidirectional sealing butterfly valve comprises a valve body, wherein a butterfly plate is rotatably mounted in the valve body, a valve rod is fixedly mounted on the butterfly plate, and the valve rod rotatably extends out of the valve body in the extension direction;
a stuffing box is sleeved outside the upper section of the valve rod, and a manual device is fixedly installed at the top of the stuffing box;
one side friction of butterfly plate is connected with the disk seat, the fixed joint of disk seat is on the fixed part, the coaxial fixed mounting of fixed part is in the valve body, one side fastening mounting of fixed part has the screw, friction mounting has the clamping part in the screw.
Preferably, the fixing part is of a circular ring-shaped structure, a linear clamping groove is concavely arranged at the end part of one side of the fixing part, and a fastening screw hole penetrates through one side in the clamping groove.
Preferably, the clamping groove is internally and tightly clamped with a valve seat, a screw is rotatably installed in the fastening screw hole, and the end part of one side of the screw penetrates through the valve seat and is clamped on the valve seat.
Preferably, a plurality of O-shaped sealing rings are fixedly mounted on two sides of the end portion of the clamping groove, and the end portion of one side of each O-shaped sealing ring is in friction connection with the valve seat.
Preferably, one side of the screw close to the fixing part is in friction connection with a sealing ring, and one side of the sealing ring far away from the screw cap is in friction connection with a pressing part.
Preferably, the compressing portion is of a circular ring-shaped structure, a plurality of screw holes penetrate through the compressing portion, screws are rotatably mounted in the screw holes, a plurality of supporting portions are fixedly mounted on the outer wall of the compressing portion in a protruding mode, and the supporting portions are in friction connection with the valve seat.
Compared with the prior art, the beneficial effects of the utility model are that: the butterfly plate is matched with the valve seat, so that the overall sealing performance of the valve can be ensured; the valve seat is clamped in the fixing part and then is fastened and installed through a screw, so that the valve seat is convenient to replace and maintain after the valve seat is abraded in the later period; meanwhile, the sealing ring at the screw connection part can ensure the sealing performance of the screw hole, the matched compression part can seal the connection part of the valve seat and the fixed part, and the supporting part can support the edge of the valve seat, so that the sealing performance between the butterfly plate and the valve seat is ensured, and the valve seat can be always attached to the butterfly plate when media flowing in the valve body flow in different directions.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the structure of the compressing portion of the present invention.
In the figure: the valve comprises a valve body 1, a valve rod 2, a butterfly plate 3, a stuffing box 4, a manual device 5, a fixing part 6, a clamping groove 61, a fastening screw hole 62, a screw 7, a sealing ring 71, a valve seat 8, a pressing part 9, a screw hole 91, a supporting part 92 and an O-shaped sealing ring 10.
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. 1-4, the present invention provides a technical solution: a high-adaptability bidirectional sealing butterfly valve comprises a valve body 1, wherein a butterfly plate 3 is rotatably mounted in the valve body 1, a valve rod 2 is fixedly mounted on the butterfly plate 3, and the valve rod 2 rotatably extends out of the valve body 1 in the direction of extension;
as shown in fig. 1, a stuffing box 4 is sleeved outside the upper section of the valve rod 2, a sealing material is filled in the stuffing box 4, and a manual device 5 is fixedly installed at the top of the stuffing box 4; the manual device 5 can operate the valve rod 2, thereby realizing the opening and closing of the valve,
as shown in fig. 2 and 3, a valve seat 8 is frictionally connected to one side of the butterfly plate 3, the valve seat 8 is fixedly clamped to the fixing portion 6, the fixing portion 6 is coaxially and fixedly installed in the valve body 1, a screw 7 is tightly installed to one side of the fixing portion 6, a pressing portion 9 is frictionally installed in the screw 7, a sealing ring 71 is frictionally connected to one side of the screw 7 close to the fixing portion 6, and the pressing portion 9 is frictionally connected to one side of the sealing ring 71 away from a nut of the screw 7. The upper valve seat 8 is tightly installed through the screw 7, so that the valve seat 8 is convenient to assemble, disassemble and maintain;
as shown in fig. 3 and 4, the compressing portion 9 is a circular structure, a plurality of screw holes 91 are arranged on the compressing portion 9 in a penetrating manner, the screws 7 are rotatably mounted in the screw holes 91, a plurality of supporting portions 92 are fixedly mounted on the inner wall of the compressing portion 9 in a protruding manner, the supporting portions 92 are in frictional connection with the valve seat 8, the sealing performance between the valve seat 8 and the fixing portion 6 is ensured at the connecting position of the compressing portion 9, the substances flowing in the pipeline are prevented from seeping out through the gap between the valve seat 8 and the fixing portion 6, the supporting portions 92 can support the edge of the valve seat 8, the edge of the valve seat 8 is ensured to be flushed when the substances flowing in the pipeline flow through the valve seat 8, and the valve seat 8 plays a role of supporting the valve seat 8 when the butterfly plate 3 is closed, so that the sealing performance is ensured;
as shown in fig. 2, the fixing portion 6 is a circular ring structure, a linear slot 61 is concavely disposed at one side end of the fixing portion 6, and a fastening screw hole 62 is disposed through one side in the slot 61. The clamping groove 61 is internally fastened and clamped with a valve seat 8, the fastening screw hole 62 is internally and rotatably provided with a screw 7, and the end part of one side of the screw 7 penetrates through and is clamped on the valve seat 8. A plurality of O-shaped sealing rings 10 are fixedly mounted on two sides of the end portion of the clamping groove 61, the end portion of one side of each O-shaped sealing ring 10 is in friction connection with the valve seat 8, and the valve seat 8 is matched with the O-shaped sealing rings 10 to ensure the sealing performance between the valve seat 8 and the fixing portion 6.
The working principle is as follows: when the utility model is used, an operator installs the valve body 1 on the pipeline passage, when the pipeline is required to be operated to open and close, the valve body 1 is operated to open and close by operating the manual device 5, and when the pipelines are connected into the passage, the butterfly plate 3 is far away from the valve seat 8, so that the pipelines are communicated; when the pipeline is closed, the butterfly plate 3 is tightly attached to the valve seat 8, so that the pipeline is closed, the flowing medium in the pipeline is cut off, the valve seat 8 is clamped in the fixing part 6 and then is fastened and installed through the screw 7, and the valve seat 8 is convenient to replace and maintain after the valve seat 8 is abraded in the later period; meanwhile, the sealing ring 71 at the joint of the screw 7 can ensure the sealing performance of the screw hole 91, the matching pressing part 9 can seal the joint of the valve seat 8 and the fixing part 6, and the supporting part 92 can support the edge of the valve seat 8, so that the sealing performance between the butterfly plate 3 and the valve seat 8 is ensured, and the valve seat 8 can be always tightly attached to the butterfly plate 3 when media flowing in the valve body 1 flow in different directions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high adaptability two way seal butterfly valve, includes valve body (1), its characterized in that: a butterfly plate (3) is rotatably mounted in the valve body (1), a valve rod (2) is fixedly mounted on the butterfly plate (3), and the valve rod (2) rotatably extends out of the valve body (1) in the direction of extension;
a stuffing box (4) is sleeved outside the upper section of the valve rod (2), and a manual device (5) is fixedly installed at the top of the stuffing box (4);
one side friction connection of butterfly plate (3) has disk seat (8), disk seat (8) fixed joint is on fixed part (6), the coaxial fixed mounting of fixed part (6) is in valve body (1), one side fastening mounting of fixed part (6) has screw (7), clamping part (9) is installed to screw (7) internal friction.
2. The high-adaptability bidirectional sealing butterfly valve according to claim 1, characterized in that: the fixing part (6) is of a circular ring structure, a linear clamping groove (61) is concavely arranged at one side end part of the fixing part (6), and a fastening screw hole (62) penetrates through one side in the clamping groove (61).
3. The high-adaptability bidirectional sealing butterfly valve according to claim 2, characterized in that: fastening joint has disk seat (8) in draw-in groove (61), screw (7) are installed to fastening screw hole (62) internal rotation, the joint is run through on disk seat (8) to one side tip of screw (7).
4. The high-adaptability bidirectional sealing butterfly valve according to claim 2, characterized in that: a plurality of O-shaped sealing rings (10) are fixedly mounted on two sides of the end portion of the clamping groove (61), and the end portion of one side of each O-shaped sealing ring (10) is in friction connection with the valve seat (8).
5. The high-adaptability bidirectional sealing butterfly valve according to claim 1, characterized in that: one side of the screw (7) close to the fixing part (6) is connected with a sealing ring (71) in a friction mode, and one side of the sealing ring (71) far away from a screw cap of the screw (7) is connected with a pressing part (9) in a friction mode.
6. The high-adaptability bidirectional sealing butterfly valve according to claim 1, characterized in that: compress tightly portion (9) and be the ring circular structure, it is equipped with a plurality of screw holes (91) to run through on compressing tightly portion (9), screw hole (91) internal rotation installation screw (7), the inner wall evagination fixed mounting who compresses tightly portion (9) has a plurality of supporting parts (92), supporting part (92) frictional connection disk seat (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578988.5U CN214367827U (en) | 2021-03-22 | 2021-03-22 | High-adaptability bidirectional sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578988.5U CN214367827U (en) | 2021-03-22 | 2021-03-22 | High-adaptability bidirectional sealing butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214367827U true CN214367827U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120578988.5U Active CN214367827U (en) | 2021-03-22 | 2021-03-22 | High-adaptability bidirectional sealing butterfly valve |
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| CN (1) | CN214367827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717606A (en) * | 2023-08-04 | 2023-09-08 | 科达阀门科技有限公司 | Soft seal butterfly valve |
-
2021
- 2021-03-22 CN CN202120578988.5U patent/CN214367827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717606A (en) * | 2023-08-04 | 2023-09-08 | 科达阀门科技有限公司 | Soft seal butterfly valve |
| CN116717606B (en) * | 2023-08-04 | 2023-10-24 | 科达阀门科技有限公司 | Soft seal butterfly valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 325000 Dongou Industrial Zone, Oubei street, Yongjia County, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Chengda special valve Co.,Ltd. Address before: 325000 Dongfang Industrial Zone, Oubei Town, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Chengda Special Valve Factory |