CN213541328U - Pneumatic center line butterfly valve for preventing silt - Google Patents
Pneumatic center line butterfly valve for preventing silt Download PDFInfo
- Publication number
- CN213541328U CN213541328U CN202021990639.6U CN202021990639U CN213541328U CN 213541328 U CN213541328 U CN 213541328U CN 202021990639 U CN202021990639 U CN 202021990639U CN 213541328 U CN213541328 U CN 213541328U
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- valve
- valve body
- silt
- butterfly valve
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Abstract
The utility model discloses a pneumatic center line butterfly valve for preventing silt, which comprises a valve body, a mounting groove and a butterfly valve silt preventing unit; a valve body: the upper end of the valve body is provided with a pneumatic device, the rear end of the inner side of the valve pipe of the valve body is fixedly sleeved with a threaded ring, and the inner side of the threaded ring is in threaded connection with a threaded pipe; mounting grooves: the valve body is characterized in that the valve body is arranged at the rear part of the inner side of a valve pipe of the valve body, supporting rods are fixedly connected in the mounting groove, the supporting rods are distributed at six equal angles, a supporting ring is slidably connected to the side surface of the mounting groove, round holes are formed in the supporting ring, the round holes in the supporting ring are distributed at six equal angles, and the round rings in the supporting ring are movably sleeved with the supporting rods; butterfly valve prevents silt unit: is arranged at the front end of the valve pipe of the valve body. This prevent pneumatic central line butterfly valve of silt has the function of preventing silt, can guarantee the leakproofness and the pivoted flexibility of valve shaft of pneumatic central line butterfly valve to improve the life-span of pneumatic central line butterfly valve.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a pneumatic central line butterfly valve of mud and sand prevention.
Background
At present, a center line butterfly valve is used as a component for realizing the on-off and flow control of a pipeline system, and is widely applied to various fields such as petroleum, chemical engineering, metallurgy, water and electricity. In the known butterfly valve technology, a sealing structure is often adopted as a sealing form, and the sealing material is rubber, polytetrafluoroethylene or the like. The existing pneumatic center line butterfly valve is structurally characterized in that a valve rod axis, a butterfly plate center and a body center are located at the same position. Simple structure, manufacturing convenience, but current start central line butterfly valve does not have the function of preventing silt, and when using, silt leads to the leakproofness and the valve shaft rotation of pneumatic central line butterfly valve impaired easily, reduces the life-span of pneumatic central line butterfly valve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a pneumatic central line butterfly valve of preventing silt has the function of preventing silt, can guarantee the leakproofness and the valve shaft pivoted flexibility of pneumatic central line butterfly valve to improve the life-span of pneumatic central line butterfly valve, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic center line butterfly valve for preventing silt comprises a valve body, a mounting groove and a butterfly valve silt preventing unit;
a valve body: the upper end of the valve body is provided with a pneumatic device, the rear end of the inner side of the valve pipe of the valve body is fixedly sleeved with a threaded ring, and the inner side of the threaded ring is in threaded connection with a threaded pipe;
mounting grooves: the valve body is characterized in that the valve body is arranged at the rear part of the inner side of a valve pipe of the valve body, supporting rods are fixedly connected in the mounting groove, the supporting rods are distributed at six equal angles, a supporting ring is slidably connected to the side surface of the mounting groove, round holes are formed in the supporting ring, the round holes in the supporting ring are distributed at six equal angles, and the round rings in the supporting ring are movably sleeved with the supporting rods;
butterfly valve prevents silt unit: the valve pipe is arranged at the front end of the valve body;
wherein: the sand filter is arranged on the inner side of the rear side surface of the support ring.
Furthermore, the butterfly valve prevents that silt unit contains a filter screen section of thick bamboo, retainer plate and filter screen board, a filter screen section of thick bamboo fixed connection is at the front end of screwed pipe, retainer plate fixed connection is at the front end of a filter screen section of thick bamboo, filter screen board fixed connection is at the inboard middle part of a filter screen section of thick bamboo. When opening the butterfly valve and using, silt comes to the filter screen board, and the filter screen board can block silt to when silt wants to pass through the filter screen section of thick bamboo of side, the filter screen section of thick bamboo also can filter silt.
Further, the support ring further comprises two compression springs, the two compression springs are movably sleeved on the side faces of the support rods on the upper side and the lower side respectively, one end of each compression spring is fixedly connected with the rear end of the corresponding mounting groove, and the other end of each compression spring is fixedly connected with the rear side surface of the support ring. When the sand filter is flushed to the rear side by water flow or the valve, the sand filter can be pushed back to the original position again when the valve is closed by compressing the spring.
Furthermore, the valve also comprises a fillet, and the fillet is arranged at the front end of the inner side of the valve pipe of the valve body. When the sand filter is brought to the rear side, the valve pipe of the valve body can be prevented from damaging the sand filter through the arranged round angle.
Furthermore, the sand filter is a hemispherical sand filter, and the sand filter adopts an easy-to-detach installation mode. When the valve is opened, the sand filter is hemispherical, so that the sand filter can be prevented from being damaged due to the fact that the valve frequently jacks the sand filter, the sand filter is very convenient to disassemble, and the sand filter replacing speed is increased.
Compared with the prior art, the beneficial effects of the utility model are that: this pneumatic central line butterfly valve of preventing silt has following benefit:
1. the butterfly valve silt-preventing pneumatic center line butterfly valve is provided with the butterfly valve silt-preventing unit, when the butterfly valve is opened for use, silt enters the filter screen plate, the filter screen plate can block the silt, and when the silt wants to pass through the filter screen cylinder on the side face, the filter screen cylinder can filter the silt;
2. the pneumatic center line butterfly valve for preventing sediment is provided with the compression spring, and when the sand filter is flushed to the rear side by water flow or a valve, the sand filter can be jacked back to the original position again by the compression spring when the valve is closed;
3. this prevent pneumatic central line butterfly valve of silt has the function of preventing silt, can guarantee the leakproofness and the pivoted flexibility of valve shaft of pneumatic central line butterfly valve to improve the life-span of pneumatic central line butterfly valve, can effectively solve the problem among the background art.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the rear side structure of the present invention;
fig. 3 is an enlarged schematic view of the a position of the present invention.
In the figure: the pneumatic valve comprises a valve body 1, a pneumatic device 2, a threaded ring 3, a threaded pipe 4, a mounting groove 5, a support rod 6, a support ring 7, a sand filter 8, a butterfly valve silt prevention unit 9, a filter screen cylinder 91, a fixing ring 92, a filter screen plate 93, a compression spring 10 and a fillet 11.
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. 1-3, the present invention provides a technical solution: a pneumatic center line butterfly valve for preventing silt comprises a valve body 1, a mounting groove 5 and a butterfly valve silt preventing unit 9;
valve body 1: the upper end of the valve body 1 is provided with a pneumatic device 2, the rear end of the inner side of the valve pipe of the valve body 1 is fixedly sleeved with a threaded ring 3, and the inner side of the threaded ring 3 is in threaded connection with a threaded pipe 4; still include fillet 11, fillet 11 sets up at the valve pipe inboard front end of valve body 1. When the sand filter 8 is brought to the rear side, the valve tube of the valve body 1 can be prevented from damaging the sand filter 8 by the provision of the rounded corner 11;
mounting groove 5: the valve body is arranged at the rear part of the inner side of a valve pipe of the valve body 1, the mounting groove 5 is internally and fixedly connected with supporting rods 6, the supporting rods 6 are distributed at six equal angles, the side surface of the mounting groove 5 is in sliding connection with a supporting ring 7, the supporting ring 7 is provided with a circular hole, the circular holes on the supporting ring 7 are distributed at six equal angles, and the circular ring on the supporting ring 7 is movably sleeved with the supporting rods 7; still include compression spring 10, compression spring 10 has two, and two compression spring 10 are movable cup joint respectively on the side of upside and the bracing piece 6 of downside, and compression spring 10's one end and the rear end fixed connection of mounting groove 5, compression spring 10's the other end and the rear side surface fixed connection of support ring 7. When the sand filter 8 is flushed to the rear side by water flow or the valve, the sand filter 8 can be pushed back to the original position again when the valve is closed by compressing the spring 10;
butterfly valve silt prevention unit 9: the front end of a valve pipe arranged on the valve body 1; the butterfly valve silt prevention unit 9 comprises a filter screen cylinder 91, a fixing ring 92 and a filter screen plate 93, the filter screen cylinder 91 is fixedly connected to the front end of the threaded pipe 4, the fixing ring 92 is fixedly connected to the front end of the filter screen cylinder 91, and the filter screen plate 93 is fixedly connected to the middle of the inner side of the filter screen cylinder 91. When the butterfly valve is opened for use, silt enters the filter screen plate 93, the filter screen plate 93 can block the silt, and the filter screen cylinder 91 can filter the silt when the silt wants to pass through the filter screen cylinder 91 on the side surface;
wherein: a sand filter 8 is also included, the sand filter 8 being mounted inside the rear side surface of the support ring 7. The sand filter 8 is a hemispherical sand filter, and the sand filter 8 is mounted in a manner of easy disassembly. When the valve is opened, the sand filter 8 is hemispherical, so that the sand filter 8 can be prevented from being damaged due to the fact that the valve frequently jacks the sand filter 8, in addition, the sand filter 8 is very convenient to disassemble, and the speed of replacing the sand filter 8 is accelerated.
When in use:
firstly, when the butterfly valve is opened for use, silt comes to the filter screen plate 93, the filter screen plate 93 can block the silt, and when the silt wants to pass through the filter screen cylinder 91 on the side, the filter screen cylinder 91 can also filter the silt, when the filter screen cylinder 91 works, the fixing ring 92 can ensure the stability of the filter screen cylinder 91, when the valve is opened, the sand filter 8 is of a hemispherical shape, so that the sand filter 8 can be prevented from being frequently pushed to the sand filter 8 to damage the sand filter 8, in addition, the sand filter 8 is very convenient to disassemble, the speed of replacing the sand filter 8 is accelerated, when the sand filter 8 is flushed to the rear side by water flow or the valve, the sand filter 8 can be pushed back to the original position again when the valve is closed, after a period of time, the butterfly valve can be disassembled, the silt between the front side of the filter screen plate 93 and the filter screen cylinder 91 can be prevented from being poured away when the butterfly valve is closed, the silt at the outlet enters the butterfly valve.
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 (5)
1. The utility model provides a pneumatic central line butterfly valve of sand prevention which characterized in that: comprises a valve body (1), a mounting groove (5) and a butterfly valve silt prevention unit (9);
valve body (1): the upper end of the valve body (1) is provided with a pneumatic device (2), the rear end of the inner side of the valve pipe of the valve body (1) is fixedly sleeved with a threaded ring (3), and the inner side of the threaded ring (3) is in threaded connection with a threaded pipe (4);
mounting groove (5): the valve body is arranged at the rear part of the inner side of a valve pipe of the valve body (1), supporting rods (6) are fixedly connected in the mounting groove (5), the six supporting rods (6) are distributed at equal angles, a supporting ring (7) is connected to the side surface of the mounting groove (5) in a sliding manner, a round hole is formed in the supporting ring (7), the six round holes in the supporting ring (7) are distributed at equal angles, and the round ring in the supporting ring (7) is movably sleeved with the supporting rods (6);
butterfly valve silt prevention unit (9): the front end of a valve pipe arranged on the valve body (1);
wherein: the sand filter (8) is further included, and the sand filter (8) is installed on the inner side of the rear side surface of the support ring (7).
2. The pneumatic center line butterfly valve for silt prevention of claim 1, wherein: the butterfly valve prevents silt unit (9) and contains a filter screen section of thick bamboo (91), retainer plate (92) and filter screen board (93), filter screen section of thick bamboo (91) fixed connection is at the front end of screwed pipe (4), retainer plate (92) fixed connection is at the front end of filter screen section of thick bamboo (91), filter screen board (93) fixed connection is in the inboard middle part of filter screen section of thick bamboo (91).
3. The pneumatic center line butterfly valve for silt prevention of claim 1, wherein: still include compression spring (10), compression spring (10) have two, and two compression spring (10) activity cup joint respectively on the side of upside and bracing piece (6) of downside, the one end of compression spring (10) and the rear end fixed connection of mounting groove (5), the other end of compression spring (10) and the rear side surface fixed connection of support ring (7).
4. The pneumatic center line butterfly valve for silt prevention of claim 1, wherein: still include fillet (11), fillet (11) are seted up at the valve pipe inboard front end of valve body (1).
5. The pneumatic center line butterfly valve for silt prevention of claim 1, wherein: the sand filter (8) is a hemispherical sand filter, and the sand filter (8) adopts an easy-to-detach installation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021990639.6U CN213541328U (en) | 2020-09-12 | 2020-09-12 | Pneumatic center line butterfly valve for preventing silt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021990639.6U CN213541328U (en) | 2020-09-12 | 2020-09-12 | Pneumatic center line butterfly valve for preventing silt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213541328U true CN213541328U (en) | 2021-06-25 |
Family
ID=76491890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021990639.6U Expired - Fee Related CN213541328U (en) | 2020-09-12 | 2020-09-12 | Pneumatic center line butterfly valve for preventing silt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213541328U (en) |
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2020
- 2020-09-12 CN CN202021990639.6U patent/CN213541328U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 Termination date: 20210912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |