CN217207806U - Special blind plate valve for conveying combustible gas - Google Patents
Special blind plate valve for conveying combustible gas Download PDFInfo
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- CN217207806U CN217207806U CN202220941773.XU CN202220941773U CN217207806U CN 217207806 U CN217207806 U CN 217207806U CN 202220941773 U CN202220941773 U CN 202220941773U CN 217207806 U CN217207806 U CN 217207806U
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Abstract
The utility model discloses a blind plate valve special for conveying combustible gas, which comprises a valve body, a valve plate and a sealing component; the valve body comprises a flow channel for the circulation of fluid medium and a valve plate bin for the two-position one-way arrangement of the valve plate; the valve plate comprises a through hole area and a blind plate intercepting area, wherein the through hole area can enable the flow channels on the two sides to be communicated; the sealing assembly is arranged in the flow channels on the two sides of the valve plate in a sliding mode along the axis, and when the valve plate moves to the complete circulation or stop position, the sealing assembly can be in contact with the edge position of the through hole area or the blind plate cutoff area to form a sealing surface, so that the flow channels are not communicated with the valve plate bin; the valve plate is the resin plate, and this special blind plate valve of combustible gas transport adopts self compensating formula seal assembly, effectively separates runner and valve plate storehouse, reduces the sealed requirement of the sealed face in valve plate storehouse, reduce cost, and adopts the valve plate of resin material, effectively reduces the temperature rise, avoids taking place the gas explosion.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a special blind plate valve is carried to combustible gas.
Background
The blind plate valve is widely used in low-pressure pipeline transmission, but when the blind plate valve is used in combustible gas pipeline transmission, firstly, the sealing performance in the switching process of the valve plate position of the blind plate valve is required to be solved, and secondly, the problem of gas explosion caused by friction heat generation of components inside the valve is avoided; the existing blind plate valve mostly adopts a metal hard sealing mode for ensuring the air tightness, so that the valve plate has large friction with a sealing piece, large temperature rise and high potential safety hazard of gas explosion in the switching process of the valve plate, meanwhile, the sealing property between a valve plate bin and a gas flow channel in the valve body is low, the valve plate bin is always subjected to large internal pressure, the sealing piece at the sealing position has high requirement, the processing difficulty is increased, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a special blind plate valve of combustible gas transport, adopt self-compensating formula seal assembly, effectively separate runner and valve plate storehouse, reduce the sealed requirement of the sealed face in valve plate storehouse, reduce cost, and adopt the valve plate of resin material, effectively reduce the temperature rise, avoid gas explosion, 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 blind plate valve special for conveying combustible gas comprises a valve body, a valve plate and a sealing assembly;
the valve body comprises a flow channel for the circulation of fluid medium and a valve plate bin for the two-position one-way arrangement of the valve plate;
the valve plate comprises a through hole area and a blind plate intercepting area, wherein the through hole area can enable the flow channels on the two sides to be communicated;
the sealing assembly is arranged in the flow channels on the two sides of the valve plate in a sliding mode along the axis, and when the valve plate moves to the complete circulation or stop position, the sealing assembly can be in contact with the edge position of the through hole area or the blind plate cutoff area to form a sealing surface, so that the flow channels are not communicated with the valve plate bin;
the valve plate is a resin plate.
As a preferred technical scheme of the utility model, the contact position of the through hole area and the sealing component is provided with a conical sealing surface, the interception area of the blind plate is provided with a recess, and the edge of the recess is provided with a sealing surface with the same taper;
through the sealed face design of tapered, effectively promote sealed effect of face, and when sealed face wearing and tearing appear, can effectively promote the leakproofness between runner and the valve plate storehouse through seal assembly's axial motion automatic compensation sealing performance.
As a preferred technical solution of the present invention, an elastic member is disposed between the sealing assembly and the valve body along the axis direction, an adjusting plate capable of moving relatively perpendicular to the axis direction is disposed between the sealing assembly and the valve plate, and a contact surface between the adjusting plate and the sealing assembly is a wedge surface;
before the valve plate acts, the adjusting plate moves relative to the sealing assembly in the direction perpendicular to the axis of the adjusting plate, so that the sealing assembly retreats along the axis under the action of the wedge-shaped surface and is separated from the valve plate, the friction between the valve plate and the sealing assembly is reduced, the abrasion between sealing surfaces is reduced, and the sealing performance is ensured.
As a preferred technical solution of the present invention, the sealing component is a sleeve made of resin, and the inner wall is fixedly provided with a metal lining for supporting;
adopt the seal assembly of resin material, effectively reduce the friction between seal assembly and the runner inner wall, adopt the inside lining of metal material simultaneously, support seal assembly, place its sealing performance that takes place the deformation and cause and descend.
As the utility model discloses a preferred technical scheme, the valve rod has been arranged with the direction of motion to the valve plate upper end, the outside rotation of valve body is provided with first hand wheel, first hand wheel passes through the thread engagement installation with the valve rod.
As a preferred technical scheme of the utility model, two sides of the valve rod are axially provided with first chutes, the first chutes are internally provided with connecting rods in a sliding manner, the lower ends of the connecting rods are connected with the adjusting plate, the valve body is externally provided with a second hand wheel in a rotating manner, and the second hand wheel is simultaneously installed with the two connecting rods through thread meshing;
through the design of first hand wheel and second hand wheel, drive the action of valve plate and adjusting plate respectively, and the action of two mutually noninterfere.
Compared with the prior art, the beneficial effects of the utility model are that: this special blind plate valve of combustible gas carries adopts the seal assembly that can follow runner axial motion installation, realize the sealed between runner and the valve plate storehouse, the valve is in under the state of opening completely or closing completely promptly, be in the state of totally enclosed between runner and the valve plate storehouse, valve plate storehouse internal pressure is less than the runner internal pressure this moment, the processing requirement of the sealed face in valve plate storehouse has been reduced promptly, the production cost is reduced, adopt the valve plate of resin material simultaneously, the resin has the ability of self-lubricating, at the slip in-process, can effectively reduce the heat production of friction, thereby avoid gas explosion, the security of combustible gas transmission has been guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention;
FIG. 3 is an enlarged view of the point A of the present invention;
fig. 4 is an exploded view of the valve plate and seal assembly of the present invention.
In the figure: 1. a valve body; 101. a flow channel; 102. a valve plate compartment; 2. a valve plate; 201. a through hole region; 202. a blind plate cutoff zone; 203. a first hand wheel; 204. a valve stem; 205. a first chute; 206. a second chute; 3. a seal assembly; 301. lining; 302. an elastic member; 4. an adjustment plate; 401. a second hand wheel; 5. an external support.
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 efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a blind plate valve special for conveying combustible gas comprises a valve body 1, a valve plate 2 and a sealing assembly 3; the valve body 1 comprises a flow channel 101 for flowing fluid medium and a valve plate bin 102 for arranging the valve plate 2 in a two-position one-way mode;
referring to fig. 4, the valve plate 2 includes a through hole area 201 capable of communicating the flow channels 101 at both sides and a blind plate cutoff area 202 capable of separating the flow channels 101 at both sides;
the sealing assembly 3 is arranged in the flow channel 101 on two sides of the valve plate 2 in a sliding mode along the axis, and when the valve plate 2 moves to a complete flowing or stopping position, the sealing assembly 3 can be in contact with the edge position of the through hole area 201 or the blind plate intercepting area 202 to form a sealing surface, so that the flow channel 101 is not communicated with the valve plate bin 102; the valve plate 2 is a resin plate.
Referring to fig. 4, a tapered sealing surface is disposed at the contact position of the through hole area 201 and the sealing assembly 3, a recess is disposed at the blind plate cutoff area 202, and a sealing surface with the same taper is disposed at the edge of the recess;
through the sealed face design of tapered, effectively promote sealed effect of face, and when sealed face appears wearing and tearing, can effectively promote the leakproofness between runner 101 and valve plate storehouse 102 through the axial motion automatic compensation sealing performance of seal assembly 3.
Referring to fig. 3, an elastic member 302 is disposed between the sealing assembly 3 and the valve body 1 along the axial direction, an adjusting plate 4 capable of moving relatively perpendicular to the axial direction is disposed between the sealing assembly 3 and the valve plate 2, and a contact surface between the adjusting plate 4 and the sealing assembly 3 is a wedge-shaped surface;
before the valve plate 2 acts, the adjusting plate 4 moves perpendicular to the axis direction of the sealing assembly 3, so that the sealing assembly 3 retreats along the axis under the action of the wedge-shaped surface and is separated from the valve plate 2, the friction between the valve plate 2 and the sealing assembly 3 is reduced, the abrasion between sealing surfaces is reduced, and the sealing performance is ensured.
Referring to fig. 3 and 4, the sealing assembly 3 is a sleeve made of resin, and a metal liner 301 for supporting is fixedly arranged on the inner wall;
adopt the seal assembly 3 of resin material, effectively reduce the friction between seal assembly 3 and the runner 101 inner wall, adopt the inside lining 301 of metal material simultaneously, support seal assembly 3, place its sealing performance that takes place the deformation and cause and descend.
Referring to fig. 1 and 2, a valve rod 204 is arranged at the upper end and the moving direction of the valve plate 2, a first hand wheel 203 is rotatably arranged outside the valve body 1, and the first hand wheel 203 and the valve rod 204 are installed in a threaded engagement manner.
Referring to fig. 1 and 2, two sides of the valve rod 204 are axially provided with first sliding grooves 205, connecting rods are arranged in the first sliding grooves 205 in a sliding manner, the lower ends of the connecting rods are connected with the adjusting plate 4, a second hand wheel 401 is rotatably arranged outside the valve body 1, and the second hand wheel 401 is simultaneously installed with the two connecting rods in a threaded engagement manner;
the first hand wheel 203 and the second hand wheel 401 are designed to drive the valve plate 2 and the adjusting plate 4 to move respectively, and the movements of the two do not interfere with each other.
The valve body 1 adopts a two-piece structure and is connected by welding or bolts, a sealing gasket or other sealing facilities are additionally arranged at a sealing surface, the second hand wheel 401 is directly and rotatably arranged with the valve body 1, and when the second hand wheel rotates, the connecting rod is driven to move up and down, namely the adjusting plate 4 is driven to move up and down, and at the moment, the sealing component 3 and the valve plate 2 are driven to separate under the action of the wedge-shaped surface; the first hand wheel 203 and the second hand wheel 401 are coaxially arranged, the outer support 5 is fixedly arranged outside the valve body 1, the first hand wheel 203 and the outer support 5 are rotatably installed, the valve rod 204 and the valve plate 2 are driven to move up and down to adjust the circulation and stop states of the valve when the first hand wheel 203 and the outer support 5 rotate, and the second hand wheel 401 is reversely rotated to reset the adjusting plate 4 and the sealing component 3 when the valve is adjusted to be in a fully-open state or a fully-closed state.
Referring to fig. 4, the second sliding grooves 206 are formed in two sides of the valve plate 2 along the moving direction, and the sliding rails slidably mounted with the second sliding grooves 206 are arranged inside the valve body 1, so that the accurate track of the valve plate 2 in the sliding process is ensured.
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 (6)
1. The utility model provides a special blind plate valve is carried to combustible gas, includes valve body (1), valve plate (2) and seal assembly (3), its characterized in that:
the valve body (1) comprises a flow channel (101) for flowing fluid medium and a valve plate bin (102) for arranging the valve plate (2) in a two-position one-way mode;
the valve plate (2) comprises a through hole area (201) which can enable the flow channels (101) on the two sides to be communicated and a blind plate intercepting area (202) which can enable the flow channels (101) on the two sides to be separated;
the sealing assembly (3) is arranged in the flow channel (101) on two sides of the valve plate (2) in a sliding mode along the axis, when the valve plate (2) moves to a complete flowing or cut-off position, the sealing assembly (3) can be in contact with the edge position of the through hole area (201) or the blind plate cut-off area (202) to form a sealing surface, and the flow channel (101) is not communicated with the valve plate bin (102);
the valve plate (2) is a resin plate.
2. The special blind plate valve for conveying combustible gas according to claim 1, wherein: a conical sealing surface is arranged at the contact position of the through hole area (201) and the sealing assembly (3), a recess is arranged at the blind plate intercepting area (202), and the edge of the recess is provided with a sealing surface with the same taper.
3. The special blind plate valve for conveying combustible gas according to claim 1, wherein: be provided with elastic component (302) along the axis direction between seal assembly (3) and valve body (1), be provided with adjusting plate (4) that can perpendicular to axis direction relative motion between seal assembly (3) and valve plate (2), the contact surface between adjusting plate (4) and seal assembly (3) is the wedge.
4. The special blind plate valve for conveying combustible gas according to claim 1, wherein: the sealing component (3) is a sleeve made of resin, and a metal lining (301) for supporting is fixedly arranged on the inner wall of the sleeve.
5. The combustible gas delivery dedicated blind plate valve according to claim 1, wherein: valve rod (204) have been arranged with the direction of motion to valve plate (2) upper end, valve body (1) outside is rotated and is provided with first hand wheel (203), first hand wheel (203) passes through the thread engagement installation with valve rod (204).
6. The blind plate valve special for conveying combustible gas according to claim 5, wherein: valve rod (204) both sides are provided with first spout (205) along the axial, it is provided with the connecting rod to slide in first spout (205), the connecting rod lower extreme is connected with adjusting plate (4), valve body (1) outside is rotated and is provided with second hand wheel (401), second hand wheel (401) pass through the thread engagement installation with two connecting rods simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220941773.XU CN217207806U (en) | 2022-04-22 | 2022-04-22 | Special blind plate valve for conveying combustible gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220941773.XU CN217207806U (en) | 2022-04-22 | 2022-04-22 | Special blind plate valve for conveying combustible gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217207806U true CN217207806U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220941773.XU Active CN217207806U (en) | 2022-04-22 | 2022-04-22 | Special blind plate valve for conveying combustible gas |
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| CN (1) | CN217207806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219206A (en) * | 2022-08-31 | 2022-10-21 | 中国航发四川燃气涡轮研究院 | Engine cold and hot dipping system for high and low temperature starting test of aircraft engine |
-
2022
- 2022-04-22 CN CN202220941773.XU patent/CN217207806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219206A (en) * | 2022-08-31 | 2022-10-21 | 中国航发四川燃气涡轮研究院 | Engine cold and hot dipping system for high and low temperature starting test of aircraft engine |
| CN115219206B (en) * | 2022-08-31 | 2023-02-17 | 中国航发四川燃气涡轮研究院 | Engine cold and hot dipping system for high and low temperature starting test of aircraft engine |
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