CN220870109U - Sealing flange of flange butterfly valve - Google Patents
Sealing flange of flange butterfly valve Download PDFInfo
- Publication number
- CN220870109U CN220870109U CN202322724410.8U CN202322724410U CN220870109U CN 220870109 U CN220870109 U CN 220870109U CN 202322724410 U CN202322724410 U CN 202322724410U CN 220870109 U CN220870109 U CN 220870109U
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- CN
- China
- Prior art keywords
- flange
- butterfly valve
- pipeline
- sealing
- adapter sleeve
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- 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.)
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 description 11
- 230000001012 protector Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a sealing flange of a flange butterfly valve, which belongs to the technical field of butterfly valves and comprises a butterfly valve, wherein sealing rubber is arranged at the center of the butterfly valve, one side of the butterfly valve is provided with a flange, the inner side of the flange is provided with a pipeline, the flange is connected with the pipeline through a connecting device, and the outer side of the flange is provided with a protecting device; according to the utility model, by arranging the connecting device, a worker can connect or separate the pipeline and the flange through simple operation when needed, so that the working difficulty of the worker is reduced, and the convenience of sealing the flange is further improved; according to the utility model, the protection device is arranged, so that the sealing flange can protect the joint of the pipeline and the flange to a certain extent through the rubber layer and the protection cylinder when needed, thereby reducing the possibility of leakage phenomenon caused by deformation of the joint, and further improving the practicability of the sealing flange.
Description
Technical Field
The utility model belongs to the technical field of butterfly valves, and particularly relates to a sealing flange of a flange butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media.
The Chinese patent application number 201921100524.2 discloses a flange special for a rubber seal butterfly valve, which comprises a flange, wherein the other side of the flange is connected with the butterfly valve, a large round hole is formed in the upper side of the flange, an inclined chamfer is processed at the top end of the large round hole, a small round hole is formed in the lower side of the flange, a round chamfer is processed at the lower end of the small round hole, the large round hole and the small round hole are smoothly excessive through the round angle, and the diameter of the large round hole is larger than that of the small round hole; the outer edge of the flange is also processed with a chamfer; the inner diameter of the flange is equal to the inner diameter of the pipeline; one end of the pipeline penetrates through the large round hole and stretches into the flange, and the other end of the flange is attached to the sealing rubber connection butterfly valve. The utility model realizes the purpose of preventing leakage by reducing the inner diameter of the flange and increasing the compression contact surface of the flange and rubber.
1. The above-mentioned publication has a problem that it is inconvenient to fixedly connect or separate the flange from the pipe, thereby reducing convenience of the flange; 2. the problem that the joint of the flange and the pipeline is easy to deform due to external impact and the like exists in the above-mentioned published patent, so that the leakage phenomenon is easy to occur, and the practicability of the flange is reduced.
Disclosure of utility model
To solve the problems set forth in the background art. The utility model provides a sealing flange of a flange butterfly valve, which has the characteristics of high convenience and strong practicability.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flange butterfly valve's sealing flange, includes the butterfly valve, sealing rubber is installed to the butterfly valve's the central point position of leaning on, and the flange is installed to one side of butterfly valve, and the inboard of flange is provided with the pipeline, is connected through connecting device between flange and the pipeline, and the outside of flange is provided with protector.
Preferably, the connecting device comprises a connecting sleeve, a connecting rod, a connecting groove, a thread bush, a connecting rod and a connecting plate, wherein the connecting sleeve is arranged at a position, far away from one side of the butterfly valve, of the flange and located outside the pipeline, the connecting groove is formed in the top and the bottom of the connecting sleeve, the connecting rod is arranged on the upper side and the lower side of the connecting sleeve, the connecting plate is connected in a sliding manner on the outer side of the connecting rod, the connecting sleeve is arranged at a position, far away from one side of the connecting sleeve, of the connecting plate through threads, the connecting rod is arranged at a position, close to one side of the connecting sleeve and located on two sides of the connecting groove, of the connecting plate, and the connecting rod is connected with the pipeline in a sliding manner.
Preferably, the connecting device further comprises a compression spring, and the connecting groove is connected with the connecting plate through the compression spring.
Preferably, the protection device comprises an inner ring body and a protection cylinder, the inner ring body is arranged on the outer side of the flange, and the protection cylinder is arranged on the outer side of the inner ring body.
Preferably, the protection device further comprises a threaded ring, wherein the threaded ring is arranged at the position, which is positioned at the inner side of the protection cylinder and is positioned at the outer side of the inner ring body, and the inner ring body is in threaded connection with the threaded ring.
Preferably, the protection device further comprises a rubber layer, and the rubber layer is arranged on the outer side of the protection cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, by arranging the connecting device, a worker can connect or separate the pipeline and the flange through simple operation when the worker needs, so that the working difficulty of the worker is reduced, and the convenience of sealing the flange is further improved.
2. According to the utility model, the protection device is arranged, so that the sealing flange can protect the joint of the pipeline and the flange to a certain extent through the rubber layer and the protection cylinder when needed, thereby reducing the possibility of leakage phenomenon caused by deformation of the joint, and further improving the practicability of the sealing flange.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic view of the structure of the connecting device of the present utility model;
fig. 4 is a schematic structural view of the protection device of the present utility model.
In the figure: 1. butterfly valve; 2. sealing rubber; 3. a connecting device; 31. connecting sleeves; 32. a rod; 33. a connecting groove; 34. a compression spring; 35. a thread sleeve; 36. a connecting rod; 37. a connecting plate; 4. a protective device; 41. an inner ring body; 42. a threaded ring; 43. a rubber layer; 44. a protective cylinder; 5. a pipe; 6. and (3) a flange.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a sealing flange of flange butterfly valve, includes butterfly valve 1, and sealing rubber 2 is installed to butterfly valve 1's the central point position of leaning on, and flange 6 is installed to one side of butterfly valve 1, and flange 6's inboard is provided with pipeline 5, connects through connecting device 3 between flange 6 and the pipeline 5, and flange 6's the outside is provided with protector 4.
Specifically, connecting device 3 includes adapter sleeve 31, inserted bar 32, spread groove 33, thread bush 35, connecting rod 36 and connecting plate 37, adapter sleeve 31 is installed to the position that one side and the pipeline 5 outside are kept away from to flange 6, the spread groove 33 has all been seted up to the top and the bottom of adapter sleeve 31, inserted bar 32 is all installed to the upper and lower both sides of adapter sleeve 31, the outside sliding connection of inserted bar 32 has connecting plate 37, the outside of inserted bar 32 and the position that is located connecting plate 37 and keep away from adapter sleeve 31 one side install adapter sleeve 31 through the screw thread, inserted bar 32 is all installed to the position that connecting plate 37 is close to one side of adapter sleeve 31 and is located the both sides of spread groove 33, sliding connection between inserted bar 32 and pipeline 5 and adapter sleeve 31.
Through adopting above-mentioned technical scheme for the staff can connect or separate work through simple operation pipeline 5 and flange 6 when needs, thereby has reduced the work degree of difficulty of staff.
Specifically, the connection device 3 further includes a compression spring 34, and the connection groove 33 is connected with the connection plate 37 through the compression spring 34.
By adopting the above technical solution, the connection plate 37 can be moved by the compression spring 34 when needed.
When the embodiment is used, when one end of the pipeline 5 is required to be used, the connecting sleeve 31 in the flange 6 and the connecting device 3 is inserted, then the two connecting plates 37 are respectively pushed to move along the connecting rods 36, so that the two connecting rods 32 are inserted into the pipeline 5 against the force of the compression springs 34 in the two connecting grooves 33, the two threaded sleeves 35 are arranged on the two connecting rods 36 through threads, the positions of the structures such as the connecting plates 37 are fixed, and then the butterfly valve 1 is operated to be used, so that the sealing rubber 2 plays a role in sealing.
Example 2
This embodiment differs from embodiment 1 in that: the protector 4 comprises an inner ring body 41 and a protective cylinder 44, the inner ring body 41 is arranged on the outer side of the flange 6, and the protective cylinder 44 is arranged on the outer side of the inner ring body 41.
By adopting the technical scheme, the joint of the pipeline 5 and the flange 6 can be protected to a certain extent.
Specifically, the protection device 4 further includes a threaded ring 42, and the threaded ring 42 is mounted on the inner side of the protection cylinder 44 and located on the outer side of the inner ring body 41, and the inner ring body 41 is in threaded connection with the threaded ring 42.
By adopting the above technical scheme, the worker can assemble and disassemble the protective cylinder 44 when needed.
Specifically, the protection device 4 further includes a rubber layer 43, and the rubber layer 43 is mounted on the outer side of the protection cylinder 44.
By adopting the technical scheme, the protection capability of the protection device 4 is enhanced.
When the flange 6 is required to be separated from the pipeline 5 in use, the two threaded sleeves 35 are unscrewed, and under the action of the two compression springs 34, the two connecting plates 37 move so as to drive the inserting rods 32 to be separated from the pipeline 5, and then the pipeline 5 is pulled out; when the joint of the flange 6 and the pipeline 5 is required to be protected, the threaded ring 42 in the protective cylinder 44 in the protective device 4 is connected with the inner ring 41 outside the flange 6 through threads, and then the joint of the flange 6 and the pipeline 5 is protected through the protective cylinder 44 and the rubber layer 43.
The utility model discloses a special flange for a rubber sealing butterfly valve, which is disclosed in China patent application No. 201921100524.2, and comprises a butterfly valve 1, a sealing rubber 2, a pipeline 5, an upper structure thereof, a flange 6 and a structure and a principle of the upper structure thereof, wherein the working principle is that an inclined chamfer is processed at the top of a large round hole, a round chamfer is processed at the bottom of a small round hole, the round chamfer is smoothly excessive through the round angle between the large round hole and the small round hole, and the outer edge of the flange is further processed with a chamfer, so that a technician can be installed more smoothly and more conveniently, and the technician can be prevented from being injured due to the corner angle during installation; one end of the pipeline penetrates through the large round hole to extend into the flange, so that the flange is more attached to the pipeline, and leakage is avoided; the butterfly valve is connected through the laminating of flange other end sealing rubber, and the diameter of little round hole is less than prior art's flange diameter, and the flange downside frame is longer than prior art with sealing rubber's contact surface, has increased the tight contact surface of flange and butterfly valve sealing rubber, has realized preventing the purpose of leakage.
The working principle and the using flow of the utility model are as follows: when the butterfly valve is required to be used, one end of the pipeline 5 is inserted into the flange 6 and the connecting sleeve 31 in the connecting device 3, then the two connecting plates 37 are respectively pushed to move along the connecting rods 36, so that the two connecting rods 32 are inserted into the pipeline 5 against the force of the compression springs 34 in the two connecting grooves 33, then the two threaded sleeves 35 are arranged on the two connecting rods 36 through threads, the positions of the structures such as the connecting plates 37 are fixed, then the butterfly valve 1 is operated to be used, and the sealing rubber 2 plays a role in sealing; when the flange 6 is required to be separated from the pipeline 5, the two threaded sleeves 35 are unscrewed, and under the action of the two compression springs 34, the two connecting plates 37 move so as to drive the inserting rods 32 to be separated from the pipeline 5, and then the pipeline 5 is pulled out; when the joint of the flange 6 and the pipeline 5 is required to be protected, the threaded ring 42 in the protective cylinder 44 in the protective device 4 is connected with the inner ring 41 outside the flange 6 through threads, and then the joint of the flange 6 and the pipeline 5 is protected through the protective cylinder 44 and the rubber layer 43.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sealing flange of flange butterfly valve, includes butterfly valve, its characterized in that: sealing rubber is installed at the center of the butterfly valve, a flange is installed on one side of the butterfly valve, a pipeline is arranged on the inner side of the flange, the flange is connected with the pipeline through a connecting device, and a protecting device is arranged on the outer side of the flange.
2. The sealing flange of a flange butterfly valve of claim 1, wherein: connecting device includes adapter sleeve, inserted bar, spread groove, thread bush, connecting rod and connecting plate, and the adapter sleeve is installed to the position that one side and the pipeline outside of butterfly valve were kept away from to the flange, and the spread groove has all been seted up to the top and the bottom of adapter sleeve, and the inserted bar is all installed to the upper and lower both sides of adapter sleeve, and the outside sliding connection of inserted bar has the connecting plate, and the outside of inserted bar just is located the connecting plate and keeps away from the position of adapter sleeve one side and install the adapter sleeve through the screw thread, and the inserted bar is all installed to the position that the connecting plate is close to one side of adapter sleeve and is located the spread groove both sides, sliding connection between inserted bar and pipeline and the adapter sleeve.
3. A sealing flange for a flange butterfly valve according to claim 2, wherein: the connecting device further comprises a compression spring, and the connecting groove is connected with the connecting plate through the compression spring.
4. The sealing flange of a flange butterfly valve of claim 1, wherein: the protection device comprises an inner ring body and a protection cylinder, wherein the inner ring body is arranged on the outer side of the flange, and the protection cylinder is arranged on the outer side of the inner ring body.
5. The sealing flange of a flange butterfly valve of claim 4, wherein: the protection device further comprises a threaded ring, wherein the threaded ring is arranged at the position, located on the outer side of the inner ring body, of the inner side of the protection cylinder, and the inner ring body is in threaded connection with the threaded ring.
6. The sealing flange of a flange butterfly valve of claim 4, wherein: the protection device further comprises a rubber layer, and the rubber layer is arranged on the outer side of the protection cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322724410.8U CN220870109U (en) | 2023-10-10 | 2023-10-10 | Sealing flange of flange butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322724410.8U CN220870109U (en) | 2023-10-10 | 2023-10-10 | Sealing flange of flange butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870109U true CN220870109U (en) | 2024-04-30 |
Family
ID=90819720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322724410.8U Active CN220870109U (en) | 2023-10-10 | 2023-10-10 | Sealing flange of flange butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870109U (en) |
-
2023
- 2023-10-10 CN CN202322724410.8U patent/CN220870109U/en active Active
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| GR01 | Patent grant |