CN213145412U - Manual switch valve structure for powder material gas conveying - Google Patents
Manual switch valve structure for powder material gas conveying Download PDFInfo
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- CN213145412U CN213145412U CN202021720089.6U CN202021720089U CN213145412U CN 213145412 U CN213145412 U CN 213145412U CN 202021720089 U CN202021720089 U CN 202021720089U CN 213145412 U CN213145412 U CN 213145412U
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Abstract
The utility model provides a gaseous manual switch valve structure of carrying of powdery material, includes the valve body, has the dabber through support swing joint on the valve body, and self axial displacement can be followed in the dabber rotation, and the valve plate is connected to dabber one end, and the hand wheel is connected to the other end, rotates the hand wheel and drives the dabber and rotate valve plate horizontal migration, opens or seals the passageway in the valve body, still is provided with sealing device and aerifys the subassembly on the valve body. The manual switch valve structure for powder material gas conveying is additionally provided with a sealing device on the basis of a traditional plate valve switch valve, and the sealing performance of a valve plate is improved.
Description
Technical Field
The utility model relates to a valve field especially relates to a gaseous manual switch valve structure of carrying of powdery material.
Background
In the powder material conveying pipeline, the switch valve is an indispensable valve structure, and the plate valve switch valve is the most commonly used valve structure. The plate valve switch valve uses the valve plate as a valve core, the valve plate drives the valve plate to move through an actuator or a manual device to realize opening and closing of a channel in the valve body, the manual device comprises a mandrel and the like with a hand wheel, the mandrel is connected with a support on the valve body through a lead screw or a thread structure and the like, and the plate valve switch valve is simple in structure, low in cost and poor in sealing effect.
Disclosure of Invention
In order to solve the problem, the utility model provides a powdery material gas transportation hand switch valve structure increases sealing device on the basis of traditional plate valve ooff valve, improves valve plate sealing performance.
For reaching this purpose, the utility model provides a gaseous manual switch valve structure of carrying of powdery material, which comprises a valve body, there is the dabber through support swing joint on the valve body, self axial displacement can be followed in the dabber rotation, the valve plate is connected to dabber one end, and the hand wheel is connected to the other end, rotates the hand wheel and drives dabber rotation valve plate horizontal migration, opens or seals the passageway in the valve body, still be provided with on the valve body:
the sealing device comprises a pressing plate, the pressing plate is of two L-shaped plate-shaped structures which are symmetrically arranged, a mounting groove is formed in the valve body, a strip-shaped groove is formed in the middle of the mounting groove, the valve plate moves in the strip-shaped groove, sealing frames are arranged on two sides of the strip-shaped groove and are of a plate-shaped structure perpendicular to the bottom of the mounting groove, connecting studs are further arranged on two sides of the strip-shaped groove and are arranged on the outer side of the sealing frame, the horizontal part of the pressing plate is sleeved on the connecting studs and pressed through nuts, the end part of the pressing plate is located on the inner side of the sealing frame, a sealing element is arranged in the sealing frame, one end of the pressing plate located on the inner side of the sealing frame is pressed against the sealing element, sealing elements are arranged on two sides of;
the inflation assembly is arranged on one side, adjacent to the sealing device, of the valve plate and comprises a mounting frame, the mounting frame is of an internal hollow shell structure, an opening in one side of the mounting frame is connected with the valve body through a connecting bolt, a sealed inflation cavity is formed in the mounting frame after the mounting frame is connected with the valve body, the valve body and a mounting frame support are provided with breathable cloth, the side face, connected with the mounting frame, of the valve body is an air vent plate, and an inflation inlet is formed in the mounting frame.
The utility model discloses a further improvement, ventilative cloth hole diameter is less than the particle diameter of the powdery material of carrying in the ooff valve.
The utility model discloses a further improvement, the sealing member is the rubber strip.
The utility model discloses a further improvement, the inside metal framework that is provided with of sealing member.
The utility model discloses a further improvement, the connecting stud of every side in bar groove is provided with 2 at least.
The application provides a gaseous manual switch valve structure of carrying of powdery material, the technological effect that its realized as follows:
(1) the valve body is provided with a sealing device, the sealing device is in contact with the valve plate to realize sealing, the sealing performance of the valve plate is guaranteed, the sealing element in the sealing device can be replaced, the sealing element can be replaced after being used for a long time, and the sealing performance of the switch valve during long-time use is guaranteed.
(2) The side part of the valve body is provided with an inflation assembly, an inflation cavity is arranged in the mounting frame of the inflation assembly, an air source is connected with an inflation inlet when the inflation assembly is used, air is inflated into the inflation cavity and enters the valve body through the air permeable cloth and the air permeable plate on the side part of the valve body, powder materials are prevented from being accumulated on the side part of the valve plate, and the phenomenon that the gap between the valve plate and the valve body is increased and the valve plate is loosened due to the fact that the materials are.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the valve plate;
FIG. 3 is a cross-sectional view taken at I;
FIG. 4 is an enlarged schematic view at II;
description of reference numerals:
1. a valve body; 2. a support; 3. a mandrel; 4. a valve plate; 5. a hand wheel; 6. a sealing device; 7. a plenum chamber; 8. an inflation inlet; 9. pressing a plate; 10. a nut; 11. a seal holder; 12. a seal member; 13. a mounting frame; 14. a breathable cloth; 15. a connecting bolt; 101. mounting grooves; 102. connecting a stud; 103. a gas permeable pore plate.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 2, the manual switch valve structure for powder material gas delivery comprises a valve body 1, wherein a mandrel 3 is movably connected to the valve body 1 through a support 2, the mandrel 3 can move along the axial direction of the mandrel 3, one end of the mandrel 3 is connected with a valve plate 4, the other end of the mandrel is connected with a hand wheel 5, the hand wheel 5 is rotated to drive the mandrel 3 to rotate the valve plate 4 to move horizontally, a passage in the valve body 1 is opened or closed, and a sealing device 6 and an inflation assembly are further arranged on the valve body 1.
As shown in fig. 3, the sealing device 6 is fixedly connected to the valve body 1, and movably connected to the valve plate 4, so as to realize sealing between the valve plate 4 and the valve body 1, the sealing device 6 includes a pressing plate 9, the pressing plate 9 is an L-shaped plate structure symmetrically arranged, the valve body 1 is provided with a mounting groove 101, a strip-shaped groove is arranged in the middle of the mounting groove 101, the valve plate 4 moves in the strip-shaped groove, two sides of the strip-shaped groove are provided with a sealing frame 11, the sealing frame 11 is a plate structure perpendicular to the bottom of the mounting groove 101, two sides of the strip-shaped groove are further provided with a connecting stud 102, the connecting stud 102 is arranged outside the sealing frame 11, a horizontal portion of the pressing plate 9 is sleeved on the connecting stud 102 and is pressed by a nut 10, an end of the pressing plate 9 is located inside the sealing frame 11, a sealing element 12, the sealing element 12 is tightly attached to two side surfaces of the valve plate 4. The seal 12 is a rubber strip with a metal skeleton inside.
The inflation assembly shown in fig. 4 is arranged on one side, adjacent to the sealing device 6, of the valve plate 4, and comprises a mounting frame 13, the mounting frame 13 is of an internal hollow shell structure, one side of the mounting frame 13 is open and connected with the valve body 1 through a connecting bolt 15, after the mounting frame 13 is connected with the valve body 1, a sealed inflation cavity 7 is arranged in the mounting frame 13, the valve body 1 and a support 2 of the mounting frame 13 are provided with breathable cloth 14, the side face, connected with the mounting frame 13, of the valve body 1 is an air vent plate 103, and an inflation inlet 8 is formed in the mounting frame 13. The diameter of the pore of the air permeable cloth 14 is smaller than the grain diameter of the powder material conveyed in the switch valve.
In order to ensure that the sealing element 12 is stably fixed, at least 2 connecting studs 102 are arranged on each side of the strip-shaped groove.
The switch valve is sealed through the contact realization of sealing device 6 with valve plate 4, guarantees valve plate 4 sealing performance, and sealing member 12 can be with trading among the sealing device 6, can change after using sealing member 12 loss for a long time, guarantees the sealing performance of switch valve when using for a long time. The side part of the valve body 1 is provided with an inflation assembly, an inflation cavity 7 is arranged inside a mounting frame 13 in the inflation assembly, an air source is connected with an inflation inlet 8 when the inflation assembly is used, air is inflated into the inflation cavity 7 and enters the valve body 1 through the breathable cloth 14 and the breathable hole plate 103 on the side part of the valve body 1, powder materials are prevented from being accumulated on the side part of the valve plate 4, and the phenomenon that the gap between the valve plate 4 and the valve body 1 is increased and the valve plate 4 is loosened due to the fact that the materials are embedded and clamped.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, but also to cover any modifications or equivalent changes made in the technical spirit of the present invention, which fall within the scope of the present invention.
Claims (5)
1. The utility model provides a gaseous manual switch valve structure of carrying of powdery material, includes the valve body, there is the dabber through support swing joint on the valve body, self axial displacement can be followed in the dabber rotation, the valve plate is connected to dabber one end, and the hand wheel is connected to the other end, rotates the hand wheel and drives the dabber and rotate valve plate horizontal migration, opens or seals the passageway in the valve body, its characterized in that, still be provided with on the valve body:
the sealing device comprises a pressing plate, the pressing plate is of two L-shaped plate-shaped structures which are symmetrically arranged, a mounting groove is formed in the valve body, a strip-shaped groove is formed in the middle of the mounting groove, the valve plate moves in the strip-shaped groove, sealing frames are arranged on two sides of the strip-shaped groove and are of a plate-shaped structure perpendicular to the bottom of the mounting groove, connecting studs are further arranged on two sides of the strip-shaped groove and are arranged on the outer side of the sealing frame, the horizontal part of the pressing plate is sleeved on the connecting studs and pressed through nuts, the end part of the pressing plate is located on the inner side of the sealing frame, a sealing element is arranged in the sealing frame, one end of the pressing plate located on the inner side of the sealing frame is pressed against the sealing element, sealing elements are arranged on two sides of;
the inflation assembly is arranged on one side, adjacent to the sealing device, of the valve plate and comprises a mounting frame, the mounting frame is of an internal hollow shell structure, an opening in one side of the mounting frame is connected with the valve body through a connecting bolt, a sealed inflation cavity is formed in the mounting frame after the mounting frame is connected with the valve body, the valve body and a mounting frame support are provided with breathable cloth, the side face, connected with the mounting frame, of the valve body is an air vent plate, and an inflation inlet is formed in the mounting frame.
2. The manual switch valve structure for conveying the powdery material gas as claimed in claim 1, wherein: the diameter of the pore of the breathable cloth is smaller than the particle size of the powdery material conveyed in the valve body.
3. A powdery material gas conveying manual switch valve structure according to claim 1 or 2, characterized in that: the sealing element is a rubber strip.
4. A powdery material gas conveying manual switch valve structure according to claim 3, characterized in that: and a metal framework is arranged inside the sealing element.
5. The structure of the manual switch valve for the gas transportation of the powdery material according to claim 4, wherein: the connecting studs on each side of the strip-shaped groove are at least provided with 2 connecting studs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021720089.6U CN213145412U (en) | 2020-08-17 | 2020-08-17 | Manual switch valve structure for powder material gas conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021720089.6U CN213145412U (en) | 2020-08-17 | 2020-08-17 | Manual switch valve structure for powder material gas conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213145412U true CN213145412U (en) | 2021-05-07 |
Family
ID=75738787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021720089.6U Active CN213145412U (en) | 2020-08-17 | 2020-08-17 | Manual switch valve structure for powder material gas conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213145412U (en) |
-
2020
- 2020-08-17 CN CN202021720089.6U patent/CN213145412U/en active Active
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