CN211901639U - Sealing valve - Google Patents
Sealing valve Download PDFInfo
- Publication number
- CN211901639U CN211901639U CN202020463365.9U CN202020463365U CN211901639U CN 211901639 U CN211901639 U CN 211901639U CN 202020463365 U CN202020463365 U CN 202020463365U CN 211901639 U CN211901639 U CN 211901639U
- Authority
- CN
- China
- Prior art keywords
- valve body
- diameter part
- valve
- small
- valve core
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to a sealing valve, which comprises a valve body, a valve core arranged in the valve body and a power device; a support sleeve is arranged in the valve body, two ends of the support sleeve are both opened, and one end of the support sleeve is integrally arranged with the inner wall of the valve body through a connecting plate; the valve core comprises a large diameter part and a small diameter part, one end of the small diameter part is integrally arranged with the large diameter part through a connecting plate, the end part of the valve core, which is positioned on the small diameter part, is closed, and the end part, which is positioned on the large diameter part, is provided with an opening; the small-diameter part of the valve core is in sliding fit with the inner wall of the support sleeve, and the large-diameter part of the valve core is in sliding fit with the inner wall of the valve body; the small diameter part of the valve core is provided with a plurality of vent holes for ventilation. The utility model discloses a set up the valve body of tube-shape, support cover and case, by the switching of the removal control valve of case, make the structure simpler, spare part still less, reduced the damage degree of the granule that mix with in the air current to the device to the life of device has been improved.
Description
Technical Field
The utility model belongs to the technical field of the technique of valve and specifically relates to a seal valve is related to.
Background
The workshop of cement factory needs to use dust pelletizing system in order to guarantee the environmental quality in the workshop, need install the valve that can control the wind path on dust pelletizing system's pipeline.
Most of the existing valve structures are complex, such as a sealing valve disclosed in patent document with the publication number of CN203431199U, which comprises a valve body, a valve core, a valve rod and a hand wheel, wherein the valve core is connected with the valve rod, the valve rod is connected with the hand wheel, the valve core and the valve rod are located inside the valve body, the valve body is provided with an inlet and an outlet, the valve core comprises a pressing block connected with the valve rod, a cover body is arranged on the inlet and the outlet inside the valve body, a rotating shaft is arranged on the top end of the cover body and connected with the valve body, first rotating connecting rods are respectively arranged on two sides of the cover body, a V-shaped lever is arranged on the bottom of the valve body in a rotating manner, one end of the V-shaped lever is rotatably.
In a dust removal system, various fine granular solids are usually mixed in airflow, and the internal structure of the sealing valve is complex, so that if the air flow mixed with the granules passes through the inside for a long time, the internal structure is easily damaged, the control function is easily failed, and the service life of the valve is shortened.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the above-mentioned prior art, the utility model aims at providing a seal valve, its valve body, support cover and case through setting up the tube-shape, by the switching of the removal control valve of case, make the structure simpler, spare part still less, reduced the granule that mix with in the air current to the damage degree of device to the life of device has been improved.
The above object of the present invention is achieved by the following technical solutions:
a sealing valve comprises a valve body, a valve core arranged in the valve body and a power device used for controlling the movement of the valve core; the valve body is of a cylindrical structure with openings at two ends, a support sleeve is arranged in the valve body, two ends of the support sleeve are both open, and one end of the support sleeve is integrally arranged with the inner wall of the valve body through a connecting plate; the valve core comprises a large diameter part and a small diameter part, both the large diameter part and the small diameter part are of a cylindrical structure with two open ends, one end of the small diameter part is integrally arranged with the large diameter part through a connecting plate, the end part of the valve core, which is positioned on the small diameter part, is closed, and the end part, which is positioned on the large diameter part, is provided with an opening; the small-diameter part of the valve core is in sliding fit with the inner wall of the support sleeve, and the large-diameter part of the valve core is in sliding fit with the inner wall of the valve body; the small diameter part of the valve core is provided with a plurality of vent holes for ventilation.
Through adopting above-mentioned technical scheme, when the break-make of needs control wind path, slide in the valve body through power device drive valve core, when the air vent pastes on the inner wall of supporting the cover, the wind path is cut off promptly, stretches to the outside back of supporting the cover when the air vent, and the wind path communicates again, and the cooperation relation between valve body and the case is simple, spare part is less, has reduced the granule that mix with in the air current and to the damage degree of device to the life of device has been improved.
The utility model discloses a further set up to: the power device comprises a first support frame fixedly arranged in the inner cavity of the valve body and a second support frame fixed at the opening of the large-diameter part of the valve core; the power device also comprises a screw shaft which is rotatably supported on the first support frame and is in threaded fit with the second support frame; the power device also comprises a transmission shaft which is rotatably supported on the valve body, and two ends of the transmission shaft are respectively arranged inside and outside the valve body; the end part of the transmission shaft, which is positioned in the valve body, is coaxially fixed with a first bevel gear, and the screw shaft is coaxially fixed with a second bevel gear which is meshed with the first bevel gear.
Through adopting above-mentioned technical scheme, when needs make the case remove, rotate the screw shaft and drive first bevel gear and rotate to drive the screw shaft through the second bevel gear and rotate, because second support frame and screw shaft screw-thread fit, consequently the screw shaft rotates and can drive the case removal, realizes the control to the switching of valve.
The utility model discloses a further set up to: and a hand wheel is coaxially fixed at the end part of the transmission shaft, which is positioned outside the valve body.
Through adopting above-mentioned technical scheme, the hand wheel can make things convenient for the staff to rotate the lead screw axle, comfort level when improving staff control valve.
The utility model discloses a further set up to: the closed end of the small diameter part is provided with a flange, and an annular rubber pad is arranged on the flange close to the inner side of the small diameter part.
Through adopting above-mentioned technical scheme, the rubber pad can improve the gas tightness when path portion seals, reduces the air current and reveals the probability to the outside from the gap department of air vent and support cover.
The utility model discloses a further set up to: the plurality of vent holes are uniformly formed in the small diameter portion around the axis of the small diameter portion in the circumferential direction.
Through adopting above-mentioned technical scheme, the air vent is evenly seted up on the path portion, makes the air current can evenly flow out from the path portion to be favorable to making the valve ventilate evenly for a long time.
The utility model discloses a further set up to: and flanges are arranged at openings at two ends of the valve body.
Through adopting above-mentioned technical scheme, the flange can make things convenient for the staff to be connected the pipeline of valve body and ventilation system, improves the practicality of device.
The utility model discloses a further set up to: the power device also comprises a positioning sleeve fixed outside the valve body, and the transmission shaft is rotatably supported in the positioning sleeve; the locating sleeve and the transmission shaft are all provided with through holes for penetrating pins.
Through adopting above-mentioned technical scheme, when needs make the valve keep at certain motionless state, wear to establish the pin in the through-hole of position sleeve and transmission shaft, can be with the rigidity of transmission shaft promptly.
The utility model discloses a further set up to: and a chain is fixed on the outer wall of the valve body, and the other end of the chain is fixedly connected with the pin.
Through adopting above-mentioned technical scheme, the pin passes through chain fixed connection on the outer wall of valve body, has both made things convenient for the staff to take the pin with the rigidity of transmission shaft, has avoided the pin to take place to lose again.
To sum up, the utility model discloses a beneficial technological effect does:
1. when the on-off of the air path needs to be controlled, the valve core is driven by the power device to slide in the valve body, when the vent hole is attached to the inner wall of the support sleeve, the air path is cut off, when the vent hole extends to the outside of the support sleeve, the air path is communicated again, the matching relation between the valve body and the valve core is simple, parts are fewer, the damage degree of particles mixed in air flow to the device is reduced, and the service life of the device is prolonged;
2. the valve core can be driven to move by rotating the screw shaft; the hand wheel can facilitate the rotation of the screw shaft by workers; the rubber pad on the flange can improve the air tightness when the small-diameter part is sealed; the vent holes are uniformly arranged on the small-diameter part, so that the valve can uniformly ventilate for a long time;
3. the flange can facilitate the connection of the valve body and the pipeline of the ventilation system by workers; the pin penetrates through the positioning sleeve and the through hole of the transmission shaft to fix the position of the transmission shaft; pass through chain fixed connection with the pin at the valve body outer wall, make things convenient for the staff to take, avoid the pin to lose.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a first cross-sectional view of the valve body;
FIG. 3 is a second cross-sectional view of the valve body;
FIG. 4 is a schematic view of the valve cartridge closed;
fig. 5 is a partially enlarged schematic view of a portion a in fig. 2.
In the figure, 1, a valve body; 11. a flange; 12. a support sleeve; 2. a valve core; 21. a large diameter portion; 22. a small diameter part; 221. a vent hole; 222. a flange; 223. a rubber pad; 3. a power plant; 31. a first support frame; 32. a second support frame; 33. a screw shaft; 34. a positioning sleeve; 35. a drive shaft; 351. a first bevel gear; 352. a hand wheel; 36. a second bevel gear; 41. a through hole; 42. a pin; 43. a chain.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, a sealing valve disclosed in the present invention includes a valve body 1 and a valve core 2 installed in the valve body 1, and further includes a power device 3 for controlling the movement of the valve core 2; the valve body 1 is a cylindrical structure with openings at two ends, and the openings at two ends of the valve body 1 are both provided with flanges 11, so that the valve body can be conveniently connected with a pipeline; referring to fig. 3, a cylindrical support sleeve 12 is arranged in the valve body 1, both ends of the support sleeve 12 are open, the outer diameter of the support sleeve 12 is smaller than the inner diameter of the valve body 1, and one end of the support sleeve 12 is integrally arranged with the inner wall of the valve body 1 through a connecting plate; the valve core 2 comprises a large-diameter part 21 and a small-diameter part 22, the large-diameter part 21 and the small-diameter part 22 are both cylindrical structures with two open ends, one end of the small-diameter part 22 is integrally arranged with the large-diameter part 21 through a connecting plate, the end part of the valve core 2, which is positioned on the small-diameter part 22, is closed, and the end part, which is positioned on the large-diameter part 21, is provided with an opening; the small diameter part 22 of the valve core 2 is in sliding fit with the inner wall of the support sleeve 12, and the large diameter part 21 is in sliding fit with the inner wall of the valve body 1; the small diameter part 22 of the valve core 2 is provided with a plurality of vent holes 221 for ventilation, and with reference to fig. 4, when the on-off of the air path needs to be controlled, the valve core 2 is driven by the power device 3 to slide in the valve body 1, when the vent holes 221 are attached to the inner wall of the support sleeve 12, the air path is cut off, and when the vent holes 221 extend to the outside of the support sleeve 12, the air path is communicated again; the structure between the valve body 1 and the valve core 2 is simpler, the number of parts is less, and the damage degree of particles mixed in air flow to the device is reduced, so that the service life of the device is prolonged.
Referring to fig. 2 and 3, the power device 3 includes a first support frame 31 fixedly disposed in the inner cavity of the valve body 1, and further includes a second support frame 32 fixed at the opening of the large-diameter portion 21 of the valve core 2, and the first support frame 31 and the second support frame 32 are circular hollow structures and parallel to each other, so that smooth passage of air flow can be ensured; the first support frame 31 and the second support frame 32 are coaxially arranged, the power device 3 further comprises a screw shaft 33, and the screw shaft 33 is rotatably supported on the first support frame 31 and is in threaded fit with the second support frame 32; the power device 3 further comprises a positioning sleeve 34 fixed outside the valve body 1, a transmission shaft 35 is rotatably supported in the positioning sleeve 34, and two ends of the transmission shaft 35 are respectively arranged inside and outside the valve body 1; a first bevel gear 351 is coaxially fixed at the end part of the transmission shaft 35 positioned in the valve body 1, and a hand wheel 352 is coaxially fixed at the end part positioned outside the valve body 1, so that manual rotation is facilitated; a second bevel gear 36 is coaxially fixed on the screw shaft 33, and the second bevel gear 36 is meshed with the first bevel gear 351; when the valve core 2 needs to be moved, the rotating hand wheel 352 drives the first bevel gear 351 to rotate, so that the second bevel gear 36 drives the screw shaft 33 to rotate, and the second support frame 32 is in threaded fit with the screw shaft 33, so that the screw shaft 33 rotates to drive the valve core 2 to move, and the opening and closing of the valve are controlled.
Referring to fig. 2 and 3, in order to ventilate the vent holes 221 of the valve element 2 uniformly and smoothly, a plurality of vent holes 221 are formed in the small-diameter portion 22 uniformly in the circumferential direction around the axis of the small-diameter portion 22, so that the air flow can uniformly flow out from the small-diameter portion 22, and the valve is ventilated uniformly for a long time; in order to improve the tightness of the vent hole 221 when closed, a flange 222 is provided at the end of the small diameter portion 22 where closed, and an annular rubber pad 223 is provided on the flange 222 near the inner side of the small diameter portion 22, so that the rubber pad 223 can improve the tightness of the small diameter portion 22 when closed.
Referring to fig. 2 and 5, through holes 41 for inserting pins 42 are formed in the positioning sleeve 34 and the transmission shaft 35, and when the valve needs to be kept in a certain stationary state, the pins 42 are inserted into the through holes 41 of the positioning sleeve 34 and the transmission shaft 35, so that the position of the transmission shaft 35 can be fixed; the chain 43 is fixed on the outer wall of the valve body 1, and the other end of the chain 43 is fixedly connected with the pin 42, so that the pin 42 is prevented from being lost.
The utility model discloses an operating principle is, when the break-make of needs control air flue, slide in valve body 1 through power device 3 drive valve element 2, when air vent 221 pastes on the inner wall of supporting cover 12, the air flue is cut off promptly, stretches the outside back of supporting cover 12 when air vent 221, the air flue communicates again, cooperation relation between valve body 1 and the case 2 is simple, spare part is less, the granule that is mingled with in the air current to the damage degree of device has been reduced, thereby the life of device has been improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A sealing valve comprises a valve body (1) and a valve core (2) arranged in the valve body (1), and also comprises a power device (3) used for controlling the movement of the valve core (2); the method is characterized in that: the valve body (1) is of a cylindrical structure with two open ends, a support sleeve (12) is arranged in the valve body (1), two ends of the support sleeve (12) are open, and one end of the support sleeve (12) is integrally arranged with the inner wall of the valve body (1) through a connecting plate; the valve core (2) comprises a large-diameter part (21) and a small-diameter part (22), both the large-diameter part (21) and the small-diameter part (22) are of a cylindrical structure with two open ends, one end of the small-diameter part (22) is integrally arranged with the large-diameter part (21) through a connecting plate, the end part of the valve core (2) located on the small-diameter part (22) is closed, and the end part located on the large-diameter part (21) is provided with an opening; the small-diameter part (22) of the valve core (2) is in sliding fit with the inner wall of the support sleeve (12), and the large-diameter part (21) is in sliding fit with the inner wall of the valve body (1); a small-diameter part (22) of the valve core (2) is provided with a plurality of vent holes (221) for ventilation.
2. A sealing valve according to claim 1, characterized in that: the power device (3) comprises a first support frame (31) fixedly arranged in the inner cavity of the valve body (1) and a second support frame (32) fixedly arranged at an opening of the large-diameter part (21) of the valve core (2); the first support frame (31) and the second support frame (32) are coaxially arranged, the power device (3) further comprises a screw shaft (33), and the screw shaft (33) is rotatably supported on the first support frame (31) and is in threaded fit with the second support frame (32); the power device (3) further comprises a transmission shaft (35) rotatably supported on the valve body (1), and two ends of the transmission shaft (35) are respectively arranged inside and outside the valve body (1); the end part of the transmission shaft (35) positioned in the valve body (1) is coaxially fixed with a first bevel gear (351), the screw shaft (33) is coaxially fixed with a second bevel gear (36), and the second bevel gear (36) is meshed with the first bevel gear (351).
3. A sealing valve according to claim 2, characterized in that: and a hand wheel (352) is coaxially fixed at the end part of the transmission shaft (35) positioned outside the valve body (1).
4. A sealing valve according to any one of claims 1-3, characterized in that: the closed end of the small diameter part (22) is provided with a flange (222), and an annular rubber pad (223) is arranged on the inner side, close to the small diameter part (22), of the flange (222).
5. A sealing valve according to any one of claims 1-3, characterized in that: the plurality of vent holes (221) are uniformly opened in the small diameter portion (22) in the circumferential direction around the axis of the small diameter portion (22).
6. A sealing valve according to any one of claims 1-3, characterized in that: and flanges (11) are arranged at openings at two ends of the valve body (1).
7. A sealing valve according to claim 2 or 3, characterized in that: the power device (3) further comprises a positioning sleeve (34) fixed outside the valve body (1), and the transmission shaft (35) is rotatably supported in the positioning sleeve (34); the positioning sleeve (34) and the transmission shaft (35) are provided with through holes (41) for penetrating pins (42).
8. A sealing valve according to claim 7, characterized in that: a chain (43) is fixed on the outer wall of the valve body (1), and the other end of the chain (43) is fixedly connected with the pin (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020463365.9U CN211901639U (en) | 2020-04-01 | 2020-04-01 | Sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020463365.9U CN211901639U (en) | 2020-04-01 | 2020-04-01 | Sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901639U true CN211901639U (en) | 2020-11-10 |
Family
ID=73273579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020463365.9U Expired - Fee Related CN211901639U (en) | 2020-04-01 | 2020-04-01 | Sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910498A (en) * | 2021-09-18 | 2022-01-11 | 罗浩然 | Horizontal dress lid filling device |
| CN114060559A (en) * | 2021-11-16 | 2022-02-18 | 重庆市金球高压阀门有限公司 | Gas is with preventing leaking valve |
-
2020
- 2020-04-01 CN CN202020463365.9U patent/CN211901639U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910498A (en) * | 2021-09-18 | 2022-01-11 | 罗浩然 | Horizontal dress lid filling device |
| CN114060559A (en) * | 2021-11-16 | 2022-02-18 | 重庆市金球高压阀门有限公司 | Gas is with preventing leaking valve |
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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 |
Granted publication date: 20201110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |