CN213419934U - Floating metal seal pneumatic center line butterfly valve - Google Patents
Floating metal seal pneumatic center line butterfly valve Download PDFInfo
- Publication number
- CN213419934U CN213419934U CN202022015029.0U CN202022015029U CN213419934U CN 213419934 U CN213419934 U CN 213419934U CN 202022015029 U CN202022015029 U CN 202022015029U CN 213419934 U CN213419934 U CN 213419934U
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- shell
- butterfly valve
- pneumatic
- sealing
- rotating shaft
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Abstract
The utility model discloses a floating metal sealing pneumatic center line butterfly valve, which comprises a butterfly valve mechanism and a sealing mechanism; a butterfly valve mechanism: the pneumatic actuator is fixedly arranged at the top end of the supporting sleeve through a fixing mechanism, a rotating shaft is sleeved in the supporting sleeve, the top end of the rotating shaft is clamped with an output shaft of the pneumatic actuator through a clamping mechanism, a valve plate is connected to the side surface of the rotating shaft in the shell through a connecting pin, a supporting mechanism is arranged on the side surface of the interior of the shell, and the bottom end of the rotating shaft is located in the supporting mechanism; a sealing mechanism: it includes sealed housing, sealed housing's side symmetry is equipped with two holding rings, and this pneumatic central line butterfly valve of metal seal floats adopts the extrusion of metal inclined plane to seal, has reduced the wearing and tearing that sealed emergence, has improved life, prevents to cause the emergence of leakage phenomenon, convenient to use person's use.
Description
Technical Field
The utility model relates to a pneumatic central line butterfly valve technical field specifically is a pneumatic central line butterfly valve of metal seal floats.
Background
The pneumatic center line butterfly valve means that the center of gyration of butterfly valve butterfly plate forms a straight line with the center of valve body, adopts the mode of directly connecting to be connected with pneumatic actuating mechanism, can divide into pneumatic double-layered center line butterfly valve and pneumatic flange center line butterfly valve, and its common sealing material is rubber and polytetrafluoroethylene, but current pneumatic center line butterfly valve easily makes sealed emergence wearing and tearing in long-time use, has reduced life, causes the emergence of leakage phenomenon, the not convenient to use person's use.
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 metal seal floats, adopt the extrusion of metal inclined plane to seal, reduced the sealed wearing and tearing that take place, improved life, prevent to cause the emergence of leakage phenomenon, convenient to use person's use 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 floating metal sealing pneumatic center line butterfly valve comprises a butterfly valve mechanism and a sealing mechanism;
a butterfly valve mechanism: the pneumatic actuator is fixedly arranged at the top end of the supporting sleeve through a fixing mechanism, a rotating shaft is sleeved in the supporting sleeve, the top end of the rotating shaft is clamped with an output shaft of the pneumatic actuator through a clamping mechanism, a valve plate is connected to the side surface of the rotating shaft in the shell through a connecting pin, a supporting mechanism is arranged on the side surface of the interior of the shell, and the bottom end of the rotating shaft is located in the supporting mechanism;
a sealing mechanism: the sealing structure comprises a sealing shell, wherein two positioning rings are symmetrically arranged on the side surface of the sealing shell, two arc-shaped sealing metal blocks are arranged on the inner side surface of the sealing shell, arc top grooves are respectively formed in the corners, close to each other, of the two arc-shaped sealing metal blocks, and an inclined surface is arranged on one side, close to each other, of the two arc-shaped sealing metal blocks;
the sealing shell is sleeved inside the shell, the two positioning rings are clamped on the inner side face of the shell, the left end and the right end of the shell are respectively provided with a connecting mechanism, and the input end of the pneumatic actuator is electrically connected with the output end of the external control switch group.
Furthermore, the fixing mechanism comprises a fixing plate and a fixing wire, the fixing plate is arranged at the top end of the supporting sleeve, the fixing plate is fixed to the bottom side of the pneumatic actuator through the fixing wire, and the fixing plate and the fixing wire enable the supporting sleeve to fixedly support the pneumatic actuator, so that the pneumatic actuator can be conveniently installed.
Furthermore, the clamping mechanism comprises a clamping block and a clamping groove, the clamping groove is formed in the top end of the rotating shaft, the clamping block is arranged on the output shaft of the pneumatic actuator, the clamping block and the clamping groove are correspondingly clamped, the pneumatic actuator can be separated from the rotating shaft through the clamping block and the clamping groove, and then the pneumatic actuator is replaced.
Further, supporting mechanism includes circular recess and backup pad, circular recess has been seted up to the inside of casing, the inside side of circular recess is connected with the backup pad through the bearing, the bottom top of pivot is at the upper surface of backup pad, and the pivot is rotatory can drive the backup pad and rotate along the bearing inside circular recess, has reduced the loss of pivot.
Furthermore, coupling mechanism includes connecting wire and ring flange, the both ends of casing all are equipped with the ring flange, array distribution has six connecting wires on the ring flange, can be connected with outside pipeline through connecting wire and ring flange are quick.
Compared with the prior art, the beneficial effects of the utility model are that: this pneumatic central line butterfly valve of metal seal floats has following benefit:
1. the pneumatic actuator works to drive the rotating shaft to rotate through the clamping mechanism, the rotating shaft rotates to drive the valve plate to rotate on the shell through the connecting pin, and then the pneumatic center line butterfly valve is opened or closed.
2. When the pneumatic central line butterfly valve is closed, the side face of the valve plate is butted with the inclined face, close to one side, of the two arc-shaped sealing metal blocks, the metal inclined face is extruded to be sealed, the abrasion caused by sealing is reduced, the service life is prolonged, the leakage phenomenon is prevented, and the use is convenient for a user.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the structure of the present invention;
fig. 3 is a schematic sectional view of the structural sealing mechanism of the present invention.
In the figure: the device comprises a butterfly valve mechanism 1, a connecting pin 11, a valve plate 12, a shell 13, a supporting sleeve 14, a pneumatic actuator 15, a rotating shaft 16, a clamping mechanism 2, a clamping block 21, a clamping groove 22, a fixing mechanism 3, a fixing plate 31, a fixing wire 32, a connecting mechanism 4, a connecting wire 41, a flange 42, a sealing mechanism 5, a positioning ring 51, an arc-shaped sealing metal block 52, an arc top groove 53, a sealing shell 54, a supporting mechanism 6, a circular groove 61 and a supporting plate 62.
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 floating metal sealing pneumatic center line butterfly valve comprises a butterfly valve mechanism 1 and a sealing mechanism 5; butterfly valve mechanism 1: the pneumatic actuator support device comprises a shell 13, a support sleeve 14 is arranged on the side face of the shell 13, a pneumatic actuator 15 is fixedly arranged at the top end of the support sleeve 14 through a fixing mechanism 3, the fixing mechanism 3 comprises a fixing plate 31 and a fixing wire 32, the top end of the support sleeve 14 is provided with the fixing plate 31, the fixing plate 31 is fixed at the bottom side of the pneumatic actuator 15 through the fixing wire 32, the fixing plate 31 and the fixing wire 32 can enable the support sleeve 14 to fixedly support the pneumatic actuator 15 so as to facilitate installation of the pneumatic actuator 15, a rotating shaft 16 is sleeved inside the support sleeve 14, the top end of the rotating shaft 16 is clamped with an output shaft of the pneumatic actuator 15 through a clamping mechanism 2, the clamping mechanism 2 comprises a clamping block 21 and a clamping groove 22, the top end of the rotating shaft 16 is provided with the clamping groove 22, the clamping block 21 is arranged on the output shaft of the pneumatic actuator 15, the clamping block 21 is, the pneumatic actuator 15 is replaced, a valve plate 12 is connected to the side face, located inside the shell 13, of the rotating shaft 16 through a connecting pin 11, a supporting mechanism 6 is arranged on the side face inside the shell 13, the bottom end of the rotating shaft 16 is located inside the supporting mechanism 6, the pneumatic actuator 15 drives the rotating shaft 16 to rotate through the clamping mechanism 2 when working, the rotating shaft 16 drives the valve plate 12 to rotate on the shell 13 through the connecting pin 11 when rotating, and then the pneumatic center line butterfly valve is opened or closed; supporting mechanism 6 includes circular recess 61 and backup pad 62, and circular recess 61 has been seted up to the inside of casing 13, and the inside side of circular recess 61 is connected with backup pad 62 through the bearing, and the bottom top of pivot 16 is at the upper surface of backup pad 62, and the pivot 16 is rotatory can drive backup pad 62 and rotate in circular recess 61 is inside along the bearing, has reduced the loss of pivot 16, sealing mechanism 5: the pneumatic center line butterfly valve comprises a sealing shell 54, wherein two positioning rings 51 are symmetrically arranged on the side surface of the sealing shell 54, the two positioning rings 51 are convenient for positioning the sealing shell 54 in the shell 13, two arc-shaped sealing metal blocks 52 are arranged on the side surface of the sealing shell 54, arc top grooves 53 are respectively arranged at one corners of the two arc-shaped sealing metal blocks 52 close to each other, inclined surfaces are arranged at one sides of the two arc-shaped sealing metal blocks 52 close to each other, when the pneumatic center line butterfly valve is closed, the side surface of the valve plate 12 is butted with the inclined surfaces of the two arc-shaped sealing metal blocks 52 close to each other, the metal inclined surfaces are extruded to be sealed, the abrasion caused by sealing is reduced, the service life is prolonged, the leakage phenomenon is prevented, and the use; wherein, seal housing 54 cup joints the inside at casing 13, two holding rings 51 joint are in the inside side of casing 13, both ends all are equipped with coupling mechanism 4 about casing 13, the output of external control switch group is connected to pneumatic actuator 15's input electricity, coupling mechanism 4 includes connecting wire 41 and flange 42, the both ends of casing 13 all are equipped with flange 42, array distribution has six connecting wire 41 on the flange 42, can be connected with outside pipeline through connecting wire 41 and flange 42 fast.
When in use: pneumatic actuator 15 work drives pivot 16 through latch mechanism 2 and rotates, pivot 16 is rotatory to drive valve plate 12 through connecting pin 11 and rotates at casing 13, and then open or close this pneumatic central line butterfly valve, when pneumatic central line butterfly valve closed, the inclined plane that makes valve plate 12's side and two sealed metal blocks of arc 52 be close to one side docks, it seals to realize the extrusion of metal inclined plane, the sealed wearing and tearing that take place have been reduced, service life is prolonged, prevent to cause the emergence of leakage phenomenon, convenient to use person's use.
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 metal seal floats which characterized in that: comprises a butterfly valve mechanism (1) and a sealing mechanism (5);
butterfly valve mechanism (1): the pneumatic actuator comprises a shell (13), wherein a supporting sleeve (14) is arranged on the side face of the shell (13), a pneumatic actuator (15) is fixedly arranged at the top end of the supporting sleeve (14) through a fixing mechanism (3), a rotating shaft (16) is sleeved inside the supporting sleeve (14), the top end of the rotating shaft (16) is clamped with an output shaft of the pneumatic actuator (15) through a clamping mechanism (2), a valve plate (12) is connected to the side face, located inside the shell (13), of the rotating shaft (16) through a connecting pin (11), a supporting mechanism (6) is arranged on the side face inside the shell (13), and the bottom end of the rotating shaft (16) is located inside the supporting mechanism (6);
sealing mechanism (5): the sealing structure comprises a sealing shell (54), wherein two positioning rings (51) are symmetrically arranged on the side surface of the sealing shell (54), two arc-shaped sealing metal blocks (52) are arranged on the inner side surface of the sealing shell (54), arc top grooves (53) are respectively arranged at the corners, close to each other, of the two arc-shaped sealing metal blocks (52), and one sides, close to each other, of the two arc-shaped sealing metal blocks (52) are inclined planes;
the sealing shell (54) is sleeved inside the shell (13), the two positioning rings (51) are clamped on the inner side face of the shell (13), the left end and the right end of the shell (13) are respectively provided with a connecting mechanism (4), and the input end of the pneumatic actuator (15) is electrically connected with the output end of the external control switch group.
2. The floating metal seal pneumatic centerline butterfly valve of claim 1, wherein: the fixing mechanism (3) comprises a fixing plate (31) and a fixing wire (32), the fixing plate (31) is arranged at the top end of the supporting sleeve (14), and the fixing plate (31) is fixed on the bottom side of the pneumatic actuator (15) through the fixing wire (32).
3. The floating metal seal pneumatic centerline butterfly valve of claim 1, wherein: clamping mechanism (2) include fixture block (21) and draw-in groove (22), the top of pivot (16) is equipped with draw-in groove (22), be equipped with fixture block (21) on the output shaft of pneumatic actuator (15), fixture block (21) and draw-in groove (22) correspond the joint.
4. The floating metal seal pneumatic centerline butterfly valve of claim 1, wherein: the supporting mechanism (6) comprises a circular groove (61) and a supporting plate (62), the circular groove (61) is formed in the shell (13), the supporting plate (62) is connected to the side face of the inside of the circular groove (61) through a bearing, and the bottom end of the rotating shaft (16) is pressed against the upper surface of the supporting plate (62).
5. The floating metal seal pneumatic centerline butterfly valve of claim 1, wherein: the connecting mechanism (4) comprises connecting wires (41) and a flange plate (42), wherein the flange plates (42) are arranged at two ends of the shell (13), and six connecting wires (41) are distributed on the flange plates (42) in an array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015029.0U CN213419934U (en) | 2020-09-15 | 2020-09-15 | Floating metal seal pneumatic center line butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022015029.0U CN213419934U (en) | 2020-09-15 | 2020-09-15 | Floating metal seal pneumatic center line butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213419934U true CN213419934U (en) | 2021-06-11 |
Family
ID=76261804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022015029.0U Expired - Fee Related CN213419934U (en) | 2020-09-15 | 2020-09-15 | Floating metal seal pneumatic center line butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213419934U (en) |
-
2020
- 2020-09-15 CN CN202022015029.0U patent/CN213419934U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 Termination date: 20210915 |