CN220302776U - Through shaft pin-free butterfly valve - Google Patents
Through shaft pin-free butterfly valve Download PDFInfo
- Publication number
- CN220302776U CN220302776U CN202321918992.7U CN202321918992U CN220302776U CN 220302776 U CN220302776 U CN 220302776U CN 202321918992 U CN202321918992 U CN 202321918992U CN 220302776 U CN220302776 U CN 220302776U
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- valve plate
- pipeline
- shaft
- wall
- groove
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- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 53
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Abstract
The utility model relates to a through shaft pin-free butterfly valve which comprises a pipeline and a valve plate, wherein a first driving mechanism and a second driving mechanism are arranged on the outer wall of the pipeline, a sealing assembly is arranged on the valve plate, the valve plate is arranged as a butterfly valve body, and a first positioning shaft and a second positioning shaft are respectively arranged at two ends of the valve plate. The utility model is based on the integrated valve plate without pin shaft fixation, and is matched with manual and automatic valve plate driving modes, so that the valve plate driving under the multipurpose of normal use, maintenance and overhaul can be realized, the use is convenient, and the sealing gasket mounting mode with structure clamping is adopted, so that the valve plate is different from the existing pin shaft, pin or bolt mounting mode, the corrosion to the valve plate and the sealing gasket is reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to the field of pin-free butterfly valves, in particular to a through shaft pin-free butterfly valve.
Background
The valve is widely used in the field of engineering pipeline transportation, the valve is basically structured by coaxially sealing and embedding a valve seat in a valve body, radially installing a valve rod on the valve body, fixedly installing a disc plate on the valve rod in the valve body, sealing and matching the disc plate with the valve seat, and driving the disc plate to swing or move under the drive of the valve rod so as to open and close a flow passage in the valve seat. The valve body is provided with a plurality of flange plates which are used for being connected with the pipeline in the radial direction, and bolt mounting holes are formed in the flange plates.
At present, the dish board is screw fixation with the valve rod, but the tip of screw can expose outside the valve plate, need make the mounting hole on the valve plate, destroy the inoxidizing coating on valve plate surface, the screw position is easy to damage, and the screw takes place to shake in long-term use moreover and takes off, is difficult to maintain, causes the whole life-span of valve shorter.
Moreover, the conventional butterfly valve generally has only a single driving mode and cannot be applied to various applicable environments.
Disclosure of Invention
Technical problem to be solved by the utility model
At present, the disc plate and the valve rod are fixed by a screw, the end part of the screw is exposed outside the valve plate, a mounting hole is required to be formed in the valve plate, a protective layer on the surface of the valve plate is damaged, maintenance is difficult, and the whole service life of the valve is short;
moreover, the conventional butterfly valve generally has only a single driving mode and cannot be applied to various applicable environments.
Technical scheme for solving technical problems
Further advantageous and partly inventive embodiments and developments of the utility model are explained in the following description.
The through shaft pin-free butterfly valve comprises a pipeline and a valve plate, wherein a first driving mechanism and a second driving mechanism are arranged on the outer wall of the pipeline, and a sealing assembly is arranged on the valve plate;
the valve plate is arranged to be a butterfly valve body, and a first positioning shaft and a second positioning shaft are respectively installed at two ends of the valve plate.
Preferably, the seal assembly comprises:
the mounting groove is embedded into the valve plate and comprises a first groove and a second groove, and the first groove is communicated with the second groove;
and the sealing gasket is arranged at the inner side of the mounting groove and is clamped with the mounting groove.
Preferably, the first grooves penetrate through the valve plate and are distributed in a uniform circumferential array, and the second grooves are embedded in the outer edge of the valve plate.
Preferably, the first driving mechanism includes:
the first positioning groove is embedded into the top end face of the first positioning shaft;
the transmission rod is arranged in the first positioning groove, a second positioning groove is formed in the top end surface of the transmission rod, and external teeth are formed in the outer wall of the top end of the transmission rod;
the stepping motor is arranged on the outer wall of the pipeline;
the rack is slidably arranged on the outer wall of the pipeline and positioned on one side of the transmission rod, and the rack is tangent to the circumcircle of the transmission rod;
and the transmission gear is rotatably arranged on the outer wall of the pipeline and is used for realizing the transmission between the output end of the stepping motor and the rack.
Preferably, the outer wall structure of the transmission rod is matched with the inner wall structure of the first positioning groove;
the free end of the transmission rod extends to the outer wall of the pipeline;
the outer wall of the pipeline is provided with a limiting plate for sliding the rack;
the transmission gear is in chain transmission or gear transmission with the output end of the stepping motor.
Preferably, the second driving mechanism includes:
the outer wall structure of the transmission column is matched with the inner wall structure of the second positioning groove;
the hand wheel is arranged on one side of the transmission column and is fixedly connected with the transmission column.
Preferably, the inner wall of the pipeline is provided with grooves matched with the first positioning shaft and the second positioning shaft.
Preferably, the two ends of the pipeline are provided with mounting threads.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the utility model, by adopting the integrated valve plate without pin shaft fixation and combining with manual and automatic valve plate driving modes, the valve plate driving under the multi-purpose of normal use, maintenance and overhaul can be realized, the use is convenient, and the sealing gasket mounting mode with structure clamping is adopted, so that the valve plate and sealing gasket is different from the existing pin shaft, pin or bolt mounting mode, the corrosion to the valve plate and the sealing gasket is reduced, and the service life is prolonged.
Drawings
Embodiments of the present utility model are described in detail below with reference to the accompanying drawings. In the drawings:
FIG. 1 is a view of the assembled construction of the present utility model;
FIG. 2 is an internal structural view of the present utility model;
FIG. 3 is a view of the structure of a valve plate encompassed by the present utility model;
FIG. 4 is a view of the gasket construction encompassed by the present utility model;
fig. 5 is a partial enlarged view of "a" in fig. 1.
Description of the reference numerals
1. A pipe; 1-1, mounting threads; 2. a valve plate; 2-1, a mounting groove; 2-2, a first positioning groove; 2-3, sealing gasket; 3. a transmission rod; 3-1, external teeth; 3-2, a second positioning groove; 4. a stepping motor; 401. a transmission gear; 402. a rack; 403. a limiting plate; 5. a hand wheel; 5-1, a transmission column; 6. a second positioning shaft; 601. a first positioning shaft.
Detailed Description
A through-shaft pin-less butterfly valve, which is an embodiment of the present utility model, will be described below with reference to the drawings.
Referring to fig. 1-5, a through-shaft pin-free butterfly valve comprises a pipeline 1 and a valve plate 2, wherein a first driving mechanism and a second driving mechanism are arranged on the outer wall of the pipeline 1, and a sealing assembly is arranged on the valve plate 2;
specifically, the first driving mechanism is used for realizing remote control displacement of the valve plate 2, the second driving mechanism is used for realizing manual accurate control displacement of the valve plate 2, and the sealing assembly is used for improving the sealing performance of the valve plate 2 and the pipeline 1;
mounting threads 1-1 are respectively arranged at two ends of the pipeline 1;
specifically, the mounting thread 1-1 is used for realizing connection of the pipeline 1 to the pipeline;
the valve plate 2 is arranged as a butterfly valve body, and a first positioning shaft 601 and a second positioning shaft 6 are respectively arranged at the two vertical ends of the valve plate 2;
specifically, the inner wall of the pipeline 1 is provided with grooves matched with the first positioning shaft 601 and the second positioning shaft 6;
a mounting groove 2-1 is formed through the valve plate 2, and the mounting groove 2-1 is used for mounting a sealing gasket 2-3;
specifically, the mounting groove 2-1 comprises a first groove and a second groove, wherein the first groove penetrates through the valve plate 2 and is uniformly distributed in a circumferential array, and the second groove is embedded in the outer edge of the valve plate 2;
more specifically, the first slot communicates with the second slot;
the sealing gasket 2-3 is matched with the structures of the first groove and the second groove;
with respect to the first drive mechanism, it includes:
the first positioning groove 2-2 is embedded and arranged on the top end surface of the first positioning shaft 601;
the outer wall structure of the transmission rod 3 is matched with the inner wall structure of the first positioning groove 2-2, and the transmission rod 3 extends to the outer wall of the pipeline 1 and is rotatably arranged with the pipeline 1;
specifically, a through hole is arranged on the outer wall of the pipeline 1 and communicated with the groove, and the through hole penetrates through the outer wall of the pipeline 1;
the second positioning groove 3-2 is embedded and arranged on the top end surface of the transmission rod 3;
the external teeth 3-1 are arranged on the outer wall of the top end of the transmission rod 3;
the stepping motor 4 is embedded and installed on the outer wall of the pipeline 1;
the rack 402 is slidably arranged on the outer wall of the pipeline 1 and positioned on one side of the transmission rod 3, and the rack 402 is tangent to the circumcircle of the transmission rod 3;
specifically, the outer wall of the pipeline 1 is provided with a limiting plate for sliding the rack 402;
the transmission gear 401 is rotatably arranged on the outer wall of the pipeline 1 and is positioned between the rack 402 and the stepping motor 4;
specifically, the transmission gear 401 is used for realizing transmission between the stepper motor 4 and the rack 402;
more specifically, the transmission gear 401 is matched with the rack 402, and the transmission gear 401 and the output end of the stepping motor 4 are driven by a chain or a gear;
in a use state, the output end of the stepping motor 4 drives the transmission gear 401 to rotate so as to drive the rack 402 to slide, the rack 402 drives the transmission rod 3 to rotate through the external teeth 3-1 on the outer wall of the top end of the transmission rod 3, and the transmission rod 3 drives the valve plate 2 to rotate through the first positioning groove 2-2 positioned on the top end of the first positioning shaft 601, so that the rotation of the valve plate 2 is realized through remote control (the operation of the stepping motor 4 is controlled through a terminal and a remote transmission module, and the control principle and the electric connection relation of the stepping motor are not elaborated in the prior art), and further the opening and closing of a flow passage in the pipeline 1 are realized;
the second driving mechanism comprises a hand wheel 5, a transmission column 5-1 is arranged at the center of one side end surface of the hand wheel 5, and the transmission column 5-1 is matched with a second positioning groove 3-2 at the top end of a transmission rod 3;
in the use state, a worker inserts the transmission column 5-1 at one side of the hand wheel 5 into the second positioning groove 3-2, so that the manual displacement of the valve plate 2 is realized, and the overhaul, the maintenance and the maintenance are convenient.
General usage status
The staff installs the through shaft pin-free butterfly valve (installed by the installation screw threads 1-1 at the two ends of the pipeline 1) into the pipeline, realizes the opening and closing of the valve plate 2 in the normal use state by a first driving mechanism positioned on the outer wall of the pipeline 1, and realizes the opening and closing of the valve plate 2 in the maintenance, overhaul and maintenance states by a second driving mechanism;
moreover, as the sealing gasket 2-3 and the valve plate 2 adopt a riveting structure, namely, the structure locking can be realized without fixing bolts and glue, and the corrosion of corrosive fluid to the valve plate 2 and the sealing gasket 2-3 is reduced.
Compared with the prior art, the integrated valve plate 2 without pin shaft fixation is adopted, and is matched with manual and automatic valve plate 2 driving modes, so that the valve plate 2 driving under the multipurpose of normal use, maintenance and overhaul can be realized, the use is convenient, the installation mode of the sealing gasket 2-3 with structure clamping is adopted, the integrated valve plate is different from the installation mode of the existing pin shaft, pin or bolt, the corrosion to the valve plate 2 and the sealing gasket 2-3 is reduced, and the service life is prolonged.
The present utility model is not limited to the embodiments, and various modifications can be made without departing from the spirit thereof.
Claims (8)
1. The utility model provides a logical axle does not have round pin butterfly valve, includes pipeline (1) and valve plate (2), its characterized in that: the outer wall of the pipeline (1) is provided with a first driving mechanism and a second driving mechanism, and the valve plate (2) is provided with a sealing assembly;
the valve plate (2) is arranged to be a butterfly valve body, and a first positioning shaft (601) and a second positioning shaft (6) are respectively arranged at two ends of the valve plate (2).
2. The through-shaft pinless butterfly valve of claim 1, wherein: the seal assembly includes:
a mounting groove (2-1) embedded in the valve plate (2) and comprising a first groove and a second groove, wherein the first groove is communicated with the second groove;
and the sealing gasket (2-3) is arranged on the inner side of the mounting groove (2-1) and is clamped with the mounting groove (2-1).
3. A through-shaft pinless butterfly valve according to claim 2, wherein: the first grooves penetrate through the valve plate (2) and are distributed in a circumferentially uniform array, and the second grooves are embedded in the outer edge of the valve plate (2).
4. The through-shaft pinless butterfly valve of claim 1, wherein: the first driving mechanism includes:
the first positioning groove (2-2) is embedded into the top end face of the first positioning shaft (601);
the transmission rod (3) is arranged in the first positioning groove (2-2), a second positioning groove (3-2) is formed in the top end surface of the transmission rod, and external teeth (3-1) are formed in the outer wall of the top end of the transmission rod (3);
the stepping motor (4) is arranged on the outer wall of the pipeline (1);
the rack (402) is slidably arranged on the outer wall of the pipeline (1) and positioned on one side of the transmission rod (3), and the rack (402) is tangent to the circumcircle of the transmission rod (3);
the transmission gear (401) is rotatably arranged on the outer wall of the pipeline (1) and is used for realizing transmission between the output end of the stepping motor (4) and the rack (402).
5. The through-shaft pinless butterfly valve of claim 4, wherein: the outer wall structure of the transmission rod (3) is matched with the inner wall structure of the first positioning groove (2-2);
the free end of the transmission rod (3) extends to the outer wall of the pipeline (1);
a limiting plate for sliding the rack (402) is arranged on the outer wall of the pipeline (1);
the transmission gear (401) is in chain transmission or gear transmission with the output end of the stepping motor (4).
6. The through-shaft pinless butterfly valve of claim 4, wherein: the second driving mechanism includes:
the outer wall structure of the transmission column (5-1) is matched with the inner wall structure of the second positioning groove (3-2);
the hand wheel (5) is arranged on one side of the transmission column (5-1) and is fixedly connected with the transmission column (5-1).
7. The through-shaft pinless butterfly valve of claim 1, wherein: the inner wall of the pipeline (1) is provided with grooves matched with the first positioning shaft (601) and the second positioning shaft (6).
8. The through-shaft pinless butterfly valve of claim 1, wherein: mounting threads (1-1) are arranged at two ends of the pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321918992.7U CN220302776U (en) | 2023-07-20 | 2023-07-20 | Through shaft pin-free butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321918992.7U CN220302776U (en) | 2023-07-20 | 2023-07-20 | Through shaft pin-free butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302776U true CN220302776U (en) | 2024-01-05 |
Family
ID=89346294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321918992.7U Active CN220302776U (en) | 2023-07-20 | 2023-07-20 | Through shaft pin-free butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302776U (en) |
-
2023
- 2023-07-20 CN CN202321918992.7U patent/CN220302776U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |