CN214367835U - Wafer type high-temperature butterfly valve - Google Patents
Wafer type high-temperature butterfly valve Download PDFInfo
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- CN214367835U CN214367835U CN202120539946.0U CN202120539946U CN214367835U CN 214367835 U CN214367835 U CN 214367835U CN 202120539946 U CN202120539946 U CN 202120539946U CN 214367835 U CN214367835 U CN 214367835U
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- main shaft
- butterfly
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Abstract
A butt-clamping type high-temperature butterfly valve comprises a valve body, wherein a sealing plate is arranged in an inner cavity of the valve body, an upper main shaft is fixedly connected above the side surface of the sealing plate through a gear hole, the upper main shaft is fixedly connected with a butterfly handle through a gear shaft, a handle is matched with the butterfly handle, a limiting groove is formed in the butterfly handle, a handle positioning pin is movably arranged in the limiting groove, the upper end of the handle positioning pin is connected with an open ring, a positioning block is fixedly arranged at the lower end of the handle positioning pin, a handle spring is arranged on the outer surface of the handle positioning pin, a positioning filler plate is fixedly arranged on the upper surface of the valve body, and a plurality of positioning holes are formed in the surface of the positioning filler plate; the lower part of the side surface of the sealing plate is movably connected with the valve body through a lower main shaft. The utility model overcomes prior art's is not enough, can realize the sealed effect between shrouding outer lane and the valve body through lip type sealing washer to through sealing spring's elastic action, thereby give the elastic force of lip type sealing washer contact shrouding part one to the shrouding direction, thereby improved the sealed effect between shrouding outer lane and the valve body greatly.
Description
Technical Field
The utility model relates to a butterfly valve technical field, concretely relates to wafer formula high temperature butterfly valve.
Background
The butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and simultaneously has good flow regulation function and sealing closing characteristic, thereby being one of the fastest valve varieties developed in the last ten years. Butterfly valves are widely used. The variety and number of uses thereof are still continuously expanding and are developing toward high temperature, high pressure, large caliber, high sealing property, long life, excellent regulation property, and one-valve multi-function. The reliability and other performance indexes of the composite material reach higher levels.
However, the existing butterfly valve has poor sealing performance, easily causes the damage of the existing butterfly valve due to overlarge water flow, and brings inconvenience to people.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a wafer formula high temperature butterfly valve has overcome the not enough of prior art, and reasonable in design can realize the sealed effect between shrouding outer lane and the valve body through lip type sealing washer to through set up sealing spring in the V type inslot of lip type sealing washer, through sealing spring's elastic action, thereby give the elastic force of lip type sealing washer contact shrouding part one to the shrouding direction, thereby improved the sealed effect between shrouding outer lane and the valve body greatly.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a butt-clamping type high-temperature butterfly valve comprises a valve body, wherein a sealing plate is arranged in an inner cavity of the valve body, one end of an upper main shaft is fixedly connected to the upper side surface of the sealing plate through a gear hole, the other end of the upper main shaft penetrates through the valve body and is fixedly connected with a butterfly handle through a gear shaft, the upper side of the gear shaft is connected with one end of a handle through a fixing bolt, the other end of the handle is positioned below the butterfly handle and is matched with the butterfly handle, a positioning pin opening is formed in the upper surface of the handle, a limiting groove is formed in the butterfly handle, a handle positioning pin is movably arranged in the limiting groove, the upper end of the handle positioning pin penetrates through the positioning pin opening and is fixedly connected with a split ring, a positioning block is fixedly installed at the lower end of the handle positioning pin, a handle spring is arranged on the outer surface of the handle positioning pin and is positioned between the positioning block and the limiting groove, and a positioning filler plate is fixedly installed on the upper surface of the valve body, the surface of the positioning filler plate is provided with a plurality of positioning holes, and the positioning blocks are matched with the positioning holes; the lower end of the lower main shaft is movably connected with the valve body through a bottom lining.
Preferably, the shrouding is provided with lip type sealing washer along the circumference, the fixed joint of outer lane of lip type sealing washer is on the valve body, the shrouding surface is provided with sealed splint, sealed splint pass through O type circle and valve body sealing connection, just sealed splint internal surface is inconsistent with lip type sealing washer.
Preferably, a sealing spring is arranged in a V-shaped groove of the lip-shaped sealing ring.
Preferably, the upper main shaft is movably connected with the inner cavity of the valve body through a bearing, a packing jacket is fixedly mounted on the outer surface of the upper main shaft close to an opening above the valve body, and the packing jacket is abutted between the inner cavity of the valve body and the outer surface of the upper main shaft through a positioning packing plate.
The utility model provides a wafer formula high temperature butterfly valve. The method has the following beneficial effects: through the elastic action of handle locating pin surface to drive handle locating pin downstream, make the locating piece joint in suitable locating hole then, thereby realize the location effect to last main shaft and shrouding. Can realize the sealed effect between shrouding outer lane and the valve body through the lip type sealing washer to through set up sealing spring in the V type groove at the lip type sealing washer, through sealing spring's elastic action, thereby give the elastic force of lip type sealing washer contact shrouding to the shrouding direction partly, thereby improved the sealed effect between shrouding outer lane and the valve body greatly.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view taken at D-D of FIG. 2;
the reference numbers in the figures illustrate:
1. a valve body; 2. closing the plate; 3. an upper main shaft; 4. a gear shaft; 5. a butterfly handle; 6. fixing the bolt; 7. a handle; 8. a handle positioning pin; 9. a split ring; 10. positioning blocks; 11. a handle spring; 12. positioning a packing plate; 13. positioning holes; 14. a lower main shaft; 15. a bottom liner; 16. a lip-shaped seal ring; 17. sealing the clamping plate; 18. a seal spring; 19. a packing jacket; 20. a limiting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.
Embodiment one, as shown in fig. 1-3, a wafer-type high-temperature butterfly valve comprises a valve body 1, a sealing plate 2 is disposed in an inner cavity of the valve body 1, one end of an upper main shaft 3 is fixedly connected to the upper side of the side surface of the sealing plate 2 through a gear hole, the other end of the upper main shaft 3 passes through the valve body 1 and is fixedly connected to a butterfly handle 5 through a gear shaft 4, the upper side of the gear shaft 4 is connected to one end of a handle 7 through a fixing bolt 6, the other end of the handle 7 is located below the butterfly handle 5 and is matched with the butterfly handle 5, a positioning pin opening is formed in the upper surface of the handle 7, a limiting groove 20 is formed in the butterfly handle 5, a handle positioning pin 8 is movably mounted in the limiting groove 20, the upper end of the handle positioning pin 8 passes through the positioning pin opening and is fixedly connected to a split ring 9, a positioning block 10 is fixedly mounted at the lower end of the handle positioning pin 8, a handle spring 11 is disposed on the outer surface of the handle positioning pin 8, the handle spring 11 is located between the positioning block 10 and the limiting groove 20, a positioning filler plate 12 is fixedly arranged on the upper surface of the valve body 1, a plurality of positioning holes 13 are formed in the surface of the positioning filler plate 12, and a positioning block 10 is matched with the positioning holes 13; the lower part of the side surface of the closing plate 2 is fixedly connected with one end of a lower main shaft 14, and the other end of the lower main shaft 14 is movably connected with the valve body 1 through a bottom lining 15.
The working principle is as follows:
when using, cooperate earlier through butterfly handle 5 and handle 7 and carry out the butt clamp, in order to mention handle locating pin 8 in the spacing groove 20, make locating piece 10 and the locating hole 13 separation of handle locating pin 8 lower extreme, rotate butterfly handle 5 again, through butterfly handle 5 and gear shaft 4 and last main shaft 3 fixed connection effect, thereby it rotates to drive main shaft 3, then it rotates to drive shrouding 2 of main shaft 3 lower extreme, thereby realize opening or closing of butterfly valve, rotate the assigned position back again, loosen handle 7, through the elastic action of handle locating pin 8 surface, in order to drive handle locating pin 8 downstream, then make locating piece 10 joint in suitable locating hole 13, thereby realize the location effect to last main shaft 3 and shrouding 2.
In the second embodiment, as a further scheme of the first embodiment, the sealing plate 2 is circumferentially provided with a lip-shaped sealing ring 16, an outer ring of the lip-shaped sealing ring 16 is fixedly clamped on the valve body 1, the outer surface of the sealing plate 2 is provided with a sealing clamping plate 17, the sealing clamping plate 17 is connected with the valve body 1 in a sealing manner through an O-shaped ring, and the inner surface of the sealing clamping plate 17 is abutted to the lip-shaped sealing ring 16. A sealing spring 18 is arranged in the V-shaped groove of the lip type sealing ring 16.
Can realize the sealed effect between 2 outer lanes of shrouding and the valve body 1 through lip type sealing washer 16 to through setting up sealing spring 18 in the V type groove at lip type sealing washer 16, through sealing spring 18's elastic reaction, thereby give lip type sealing washer 16 contact shrouding 2 partial one to the elastic force of 2 directions of shrouding, thereby improved the sealed effect between 2 outer lanes of shrouding and the valve body 1 greatly.
In the third embodiment, as a further scheme of the first embodiment, the upper main shaft 3 is movably connected with the inner cavity of the valve body 1 through a bearing, a packing jacket 19 is fixedly installed on the outer surface of the upper main shaft 3 near an opening above the valve body 1, and the packing jacket 19 abuts against the inner cavity of the valve body 1 and the outer surface of the upper main shaft 3 through a positioning packing plate 12. The dynamic sealing effect of the upper main shaft 3 and the inner surface of the valve body 1 is ensured by the internal packing of the packing jacket 19.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. The utility model provides a wafer formula high temperature butterfly valve which characterized in that: comprises a valve body (1), a sealing plate (2) is arranged in an inner cavity of the valve body (1), one end of an upper main shaft (3) is fixedly connected to the upper side surface of the sealing plate (2) through a gear hole, the other end of the upper main shaft (3) penetrates through the valve body (1) and is fixedly connected with a butterfly handle (5) through a gear shaft (4), the upper side of the gear shaft (4) is connected with one end of a handle (7) through a fixing bolt (6), the other end of the handle (7) is positioned below the butterfly handle (5) and is matched with the butterfly handle (5), a positioning pin opening is formed in the upper surface of the handle (7), a limiting groove (20) is formed in the butterfly handle (5), a handle positioning pin (8) is movably arranged in the limiting groove (20), the upper end of the handle positioning pin (8) penetrates through the positioning pin opening and is fixedly connected with a split ring (9), a positioning block (10) is fixedly arranged at the lower end of the handle positioning pin (8), a handle spring (11) is arranged on the outer surface of the handle positioning pin (8), the handle spring (11) is positioned between a positioning block (10) and a limiting groove (20), a positioning filler plate (12) is fixedly arranged on the upper surface of the valve body (1), a plurality of positioning holes (13) are formed in the surface of the positioning filler plate (12), and the positioning block (10) is matched with the positioning holes (13); the lower end of the side surface of the sealing plate (2) is fixedly connected with one end of a lower main shaft (14), and the other end of the lower main shaft (14) is movably connected with the valve body (1) through a bottom lining (15).
2. The wafer-type high-temperature butterfly valve according to claim 1, characterized in that: shrouding (2) are provided with lip type sealing washer (16) along the circumference, the fixed joint in outer lane of lip type sealing washer (16) is on valve body (1), shrouding (2) surface is provided with sealed splint (17), sealed splint (17) are through O type circle and valve body (1) sealing connection, just sealed splint (17) internal surface is inconsistent with lip type sealing washer (16).
3. The wafer-type high-temperature butterfly valve according to claim 2, characterized in that: and a sealing spring (18) is arranged in a V-shaped groove of the lip-shaped sealing ring (16).
4. The wafer-type high-temperature butterfly valve according to claim 1, characterized in that: the upper main shaft (3) is movably connected with the inner cavity of the valve body (1) through a bearing, a packing jacket (19) is fixedly mounted on the outer surface of the upper main shaft (3) close to an opening above the valve body (1), and the packing jacket (19) is abutted between the inner cavity of the valve body (1) and the outer surface of the upper main shaft (3) through a positioning packing plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120539946.0U CN214367835U (en) | 2021-03-16 | 2021-03-16 | Wafer type high-temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120539946.0U CN214367835U (en) | 2021-03-16 | 2021-03-16 | Wafer type high-temperature butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214367835U true CN214367835U (en) | 2021-10-08 |
Family
ID=77972509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120539946.0U Active CN214367835U (en) | 2021-03-16 | 2021-03-16 | Wafer type high-temperature butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214367835U (en) |
-
2021
- 2021-03-16 CN CN202120539946.0U patent/CN214367835U/en active Active
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