CN215214779U - Butterfly valve convenient to dismouting - Google Patents
Butterfly valve convenient to dismouting Download PDFInfo
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- CN215214779U CN215214779U CN202121167329.9U CN202121167329U CN215214779U CN 215214779 U CN215214779 U CN 215214779U CN 202121167329 U CN202121167329 U CN 202121167329U CN 215214779 U CN215214779 U CN 215214779U
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- valve
- butterfly plate
- butterfly
- detachable
- valve shaft
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Abstract
The utility model provides a butterfly valve convenient to dismouting, includes valve body, valve shaft and base, the valve body sets up on the base, form the valve pocket in the valve body, set up the butterfly plate in the valve pocket, the one end of valve shaft stretches into the valve pocket and is connected with the butterfly plate, set up detachable connections device between valve shaft and the butterfly plate, set up the link on the butterfly plate, detachable connections device sets up on the link, just the part that valve shaft and butterfly plate are connected sets up between butterfly plate and detachable connections device, through setting up detachable connections device for be connected between butterfly plate and the valve shaft and become more simple and convenient, and need not to die both through the welded mode, can make things convenient for regular maintenance and change.
Description
Technical Field
The utility model relates to a butterfly valve technical field, concretely relates to butterfly valve convenient to dismouting.
Background
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.
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 existing butterfly valve with large volume is often required to be connected with a valve shaft and a butterfly plate through hoisting equipment or fixed with the valve shaft and the butterfly plate through a welding mode during installation, so that the butterfly valve is not easy to replace and is troublesome to maintain.
Disclosure of Invention
In view of this, the utility model provides a butterfly valve convenient to dismouting.
In order to achieve the above object, the utility model provides a following technical scheme:
the butterfly valve comprises a valve body, a valve shaft and a base, wherein the valve body is arranged on the base, a valve cavity is formed in the valve body, a butterfly plate is arranged in the valve cavity, one end of the valve shaft extends into the valve cavity to be connected with the butterfly plate, a detachable connecting device is arranged between the valve shaft and the butterfly plate, a connecting end is arranged on the butterfly plate, the detachable connecting device is arranged on the connecting end, and the part, connected with the butterfly plate, of the valve shaft is arranged between the butterfly plate and the detachable device.
Preferably, the detachable device comprises a fastening connecting block, a first arc-shaped groove is formed in the fastening connecting block, a second arc-shaped groove is formed in the connecting end corresponding to the first arc-shaped groove, and the first arc-shaped groove and the second arc-shaped groove are communicated to form a connecting hole for the valve shaft to penetrate through.
Preferably, one side of the fastening connecting block, which is close to the connecting end, is provided with a connecting lug, the connecting end is provided with a connecting groove corresponding to the connecting lug, and the connecting lug extends into the connecting groove to be connected with the connecting end.
Preferably, both sides of the connecting end are provided with set screws, and one end of each set screw penetrates through the groove wall and the connecting convex block of the connecting groove.
Preferably, the number of the detachable connecting devices is set according to the size of the butterfly plate, and the connecting ends of the detachable connecting devices and the butterfly plate are both set to be corresponding.
Preferably, the detachable connecting device is made of stainless steel.
The beneficial effects of the utility model reside in that: the utility model discloses a set up detachable connections device for be connected between butterfly plate and the valve shaft and become more simple and convenient, and need not to die both certainly through the welded mode, can make things convenient for regular maintenance and change.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the butterfly plate being connected to the valve shaft by a detachable connection device.
Reference numerals:
1. the valve comprises a valve body, 2, a valve shaft, 3, a base, 4, a valve cavity, 5, a butterfly plate, 6, a detachable connecting device, 7, a connecting end, 8, a fastening connecting block, 9, a first arc-shaped groove, 10, a second arc-shaped groove, 11, a connecting hole, 12, a connecting lug, 13, a connecting groove, 14 and a set screw.
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.
The invention will be further described with reference to the accompanying drawings.
The utility model provides a following technical scheme:
as shown in the accompanying drawings 1-2, the utility model discloses a butterfly valve convenient to dismouting, including valve body 1, valve shaft 2 and base 3, valve body 1 sets up on base 3, form valve chamber 4 in the valve body 1, set up butterfly plate 5 in the valve chamber 4, the one end of valve shaft 2 stretches into valve chamber 4 and is connected with butterfly plate 5, set up detachable connections device 6 between valve shaft 2 and the butterfly plate 5, set up link 7 on the butterfly plate 5, detachable connections device 6 sets up on link 7, just the part setting that valve shaft 2 and butterfly plate 5 are connected is between butterfly plate 5 and detachable devices. Specifically, by arranging the detachable connecting device 6, the connection between the butterfly plate 5 and the valve shaft 2 is simpler and more convenient, the butterfly plate and the valve shaft do not need to be fixed in a welding mode, and regular maintenance and replacement can be facilitated
Further, the detachable device comprises a fastening connection block 8, a first arc-shaped groove 9 is formed in the fastening connection block 8, a second arc-shaped groove 10 is formed in the connection end 7 corresponding to the first arc-shaped groove 9, and the first arc-shaped groove 9 and the second arc-shaped groove 10 are communicated to form a connection hole 11 through which the valve shaft 2 penetrates. Specifically, the connecting hole 11 that supplies valve shaft 2 to pass comprises the first arc wall 9 of fastening connection piece 8 and the second arc wall 10 on the link 7, can make things convenient for the installation of valve shaft 2, and at the in-process of dismouting, can more convenient a fastening connection piece 8 and link 7 carry out the dismouting.
Further, one side of the fastening connection block 8, which is close to the connection end 7, is provided with a connection projection 12, the connection end 7 is provided with a connection groove 13 corresponding to the connection projection 12, and the connection projection 12 extends into the connection groove 13 to be connected with the connection end 7. Specifically, the number of the connecting projections 12 and the connecting grooves 13 is set to 2-4, in this embodiment, the number of the connecting projections 12 and the connecting grooves 13 is set to 2, and the connecting projections 12 and the fastening connection block 8 are integrally formed, so that the connection strength between the fastening connection block 8 and the connection end 7 can be effectively ensured.
Furthermore, both sides of the connecting end 7 are provided with a set screw 14, and one end of the set screw 14 penetrates through the groove wall of the connecting groove 13 and the connecting convex block 12. By providing the set screw 14, it is possible to prevent corrosion caused by partial penetration of a medium between the coupling projection 12 and the coupling groove 13 during long-term use, thereby preventing the coupling between the coupling projection 12 and the coupling groove 13 from becoming loose. In this embodiment, the number of the set screws 14 is set to 2, in other embodiments, the number of the set screws 14 may also be set to 4, and the set screws 14 are disposed two by two at the top end and the bottom end of the connecting end 7 and are disposed in a staggered manner.
In this embodiment, the number of the removable connection devices 6 is set according to the size of the butterfly plate 5, and the removable connection devices 6 and the connection ends 7 of the butterfly plate 5 are both set in a corresponding number. The larger the size of the butterfly plate 5 is, the larger the size of the whole butterfly valve is, and more detachable connecting devices 6 are needed to connect the valve shaft 2 and the butterfly plate 5, so that the valve shaft fracture caused by insufficient connecting strength is prevented.
In this embodiment, the detachable connection device 6 is made of stainless steel, and the detachable connection device 6 made of stainless steel can adapt to different working conditions, so as to reduce the influence caused by corrosion. In other embodiments, the detachable connection device 6 may be made of aluminum bronze or nodular cast iron.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a butterfly valve convenient to dismouting, includes valve body, valve shaft and base, the valve body sets up on the base, form the valve pocket in the valve body, set up the butterfly plate in the valve pocket, the one end of valve shaft stretches into the valve pocket and is connected its characterized in that with the butterfly plate: the butterfly valve is characterized in that a detachable connecting device is arranged between the valve shaft and the butterfly plate, a connecting end is arranged on the butterfly plate, the detachable connecting device is arranged on the connecting end, and the part of the valve shaft connected with the butterfly plate is arranged between the butterfly plate and the detachable connecting device.
2. The butterfly valve easy to disassemble and assemble of claim 1, wherein: the detachable device comprises a fastening connecting block, a first arc-shaped groove is formed in the fastening connecting block, a second arc-shaped groove is formed in the connecting end corresponding to the first arc-shaped groove, and the first arc-shaped groove and the second arc-shaped groove are communicated to form a connecting hole for the valve shaft to penetrate through.
3. The butterfly valve facilitating disassembly and assembly of claim 2, wherein: one side that fastening connection block is close to the link sets up the connection lug, the link corresponds the connection lug and sets up the spread groove, the connection lug stretches into the spread groove and is connected with the link.
4. The butterfly valve facilitating disassembly and assembly of claim 3, wherein: the both sides of link all are provided with holding screw, holding screw one end runs through the cell wall and the connection lug of spread groove.
5. The butterfly valve easy to disassemble and assemble of claim 1, wherein: the quantity of detachable connections device sets up according to the butterfly plate size, just the link of detachable connections device and butterfly plate all sets up the quantity that corresponds.
6. The butterfly valve easy to disassemble and assemble of claim 1, wherein: the detachable connecting device is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167329.9U CN215214779U (en) | 2021-05-27 | 2021-05-27 | Butterfly valve convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121167329.9U CN215214779U (en) | 2021-05-27 | 2021-05-27 | Butterfly valve convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214779U true CN215214779U (en) | 2021-12-17 |
Family
ID=79421879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121167329.9U Active CN215214779U (en) | 2021-05-27 | 2021-05-27 | Butterfly valve convenient to dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214779U (en) |
-
2021
- 2021-05-27 CN CN202121167329.9U patent/CN215214779U/en active Active
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| GR01 | Patent grant |