CN114198516A - Pneumatic valve suitable for high temperature environment - Google Patents
Pneumatic valve suitable for high temperature environment Download PDFInfo
- Publication number
- CN114198516A CN114198516A CN202010989356.8A CN202010989356A CN114198516A CN 114198516 A CN114198516 A CN 114198516A CN 202010989356 A CN202010989356 A CN 202010989356A CN 114198516 A CN114198516 A CN 114198516A
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- CN
- China
- Prior art keywords
- lifting mechanism
- gate
- high temperature
- valve
- elevating system
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a pneumatic valve suitable for a high-temperature environment, which comprises a valve main body and a gate, wherein the valve main body is provided with a channel cover plate, a lifting mechanism and a driving piece for driving the lifting mechanism to move up and down, the gate is positioned between the lifting mechanism and the channel cover plate, one side of the gate, which is close to the channel cover plate, is provided with a sealing piece, one side of the gate, which is close to the lifting mechanism, is provided with a pressing wheel, the lifting mechanism is provided with an avoidance hole and a pressing seat, the pressing seat is provided with a pressing chute, and the pressing wheel penetrates through the avoidance hole and is positioned in the pressing chute. The invention has the advantages of simple and reliable structure, good air tightness in high-temperature environment and the like.
Description
Technical Field
The invention relates to a valve, in particular to a pneumatic valve suitable for a high-temperature environment.
Background
The pneumatic valves are pushed by gas, a plurality of groups of combined pneumatic pistons in the actuator are pushed to move by utilizing compressed air, so that the middle shaft is controlled to rotate, and the pneumatic valves are opened or closed by adjusting the number of the cylinders. With the continuous development of automation technology, good air tightness must be ensured under a high-temperature environment, so that the normal operation of feeding and discharging is ensured.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the pneumatic valve which is simple and reliable in structure and good in air tightness in a high-temperature environment.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a pneumatic valve suitable for high temperature environment, includes valve body and gate, be equipped with passageway apron, elevating system in the valve body and be used for driving elevating system elevating movement's driving piece, the gate is located elevating system with between the passageway apron, one side that the gate is close to the passageway apron is equipped with the sealing member and is equipped with the pinch roller near one side of elevating system, last being equipped with of elevating system dodges the hole and compresses tightly the seat, it compresses tightly the chute to be equipped with on the seat, the pinch roller passes dodge the hole and be located compress tightly in the chute.
As a further improvement of the above technical solution: the valve comprises a valve body and is characterized in that guide rails are arranged on two sides of the valve body, guide wheels and anti-deviation wheels are arranged on two sides of a lifting mechanism, the guide wheels are positioned on the guide rails on the same side, and the anti-deviation wheels are abutted to the guide rails.
As a further improvement of the above technical solution: the valve body is provided with a buffer device at the limit stroke position of the lifting mechanism.
As a further improvement of the above technical solution: the driving piece is a driving cylinder, and a piston rod of the driving cylinder is fixedly connected with the lifting mechanism.
As a further improvement of the above technical solution: the sealing element is a sealing ring.
Compared with the prior art, the invention has the advantages that: the pneumatic valve suitable for the high-temperature environment disclosed by the invention realizes the movable connection between the gate and the lifting mechanism by matching the compaction chute on the lifting mechanism with the compaction wheel on the gate, the driving piece drives the lifting mechanism to do lifting motion, and the lifting mechanism can drive the gate to do lifting motion so as to realize opening and closing; in the lifting motion process of the lifting mechanism, the pressing chute is matched with the pressing wheel to press the gate to one side of the channel cover plate, so that the good air tightness between the gate and the channel cover plate in a high-temperature environment is still achieved, and the normal operation of the pneumatic valve in the high-temperature environment can be realized.
Drawings
Fig. 1 is a schematic perspective view of a pneumatic valve of the present invention adapted for use in high temperature environments.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a front view schematic of a pneumatically actuated valve of the present invention adapted for use in high temperature environments.
Fig. 4 is a view a-a of fig. 3.
FIG. 5 is a schematic rear view of a pneumatically actuated valve suitable for use in high temperature environments in accordance with the present invention
The reference numerals in the figures denote: 1. a valve body; 2. a channel cover plate; 3. a lifting mechanism; 4. a drive member; 5. a gate; 6. a seal member; 7. a pinch roller; 8. avoiding holes; 9. a pressing seat; 10. compacting the chute; 11. a guide rail; 12. a guide wheel; 13. an anti-deviation wheel; 14. a buffer device.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples of the specification.
Fig. 1 to 4 show an embodiment of a pneumatic valve suitable for a high temperature environment according to the present invention, the pneumatic valve suitable for a high temperature environment of the present embodiment includes a valve body 1 and a gate 5, the valve body 1 is provided with a channel cover plate 2, a lifting mechanism 3 and a driving member 4 for driving the lifting mechanism 3 to perform a lifting motion, the gate 5 is located between the lifting mechanism 3 and the channel cover plate 2, one side of the gate 5 close to the channel cover plate 2 is provided with a sealing member 6 and one side close to the lifting mechanism 3 is provided with a pressing wheel 7, the lifting mechanism 3 is provided with an avoiding hole 8 and a pressing seat 9, the pressing seat 9 is provided with a pressing chute 10, and the pressing wheel 7 passes through the avoiding hole 8 and is positioned in the pressing chute 10.
According to the pneumatic valve suitable for the high-temperature environment, the movable connection between the gate 5 and the lifting mechanism 3 is realized through the matching of the pressing chute 10 on the lifting mechanism 3 and the pressing wheel 7 on the gate 5, the driving piece 4 drives the lifting mechanism 3 to move up and down, and the lifting mechanism 3 can drive the gate 5 to move up and down to realize opening and closing; in the lifting motion process of the lifting mechanism 3, the pressing chute 10 is matched with the pressing wheel 7 to press the gate 5 to one side of the channel cover plate 2, so that the sealing element 6 between the gate and the channel cover plate is pressed, the good air tightness is still provided between the gate 5 and the channel cover plate 2 in the high-temperature environment, and the normal operation of the pneumatic valve in the high-temperature environment can be realized.
Further, in this embodiment, guide rails 11 are disposed on two sides of the valve body 1, guide wheels 12 and deviation-preventing wheels 13 are disposed on two sides of the lifting mechanism 3, the guide wheels 12 are positioned on the guide rails 11 on the same side, and the deviation-preventing wheels 13 abut against the guide rails 11.
The guide wheel 12 is matched with the guide rail 11, so that the lifting mechanism 3 is ensured to stably and smoothly move and has higher movement precision; the anti-deviation wheel 13 is abutted against the guide rail 11, so that the left and right parts are prevented from being generated in the movement process of the lifting mechanism 3, the structure is simple, and the reliability is high. As the preferred technical scheme, the guide rail 11 adopts a groove-shaped structure, the guide wheel 12 is positioned in the groove, and the deviation prevention wheel 13 is abutted against the side wall of the groove.
Further, in the present embodiment, the valve body 1 is provided with the buffer device 14 at the limit stroke of the lifting mechanism 3 (in the drawing, the buffer device 14 is disposed at the bottom of the valve body 1, and the driving member 4 is disposed at the top of the valve body 1), so that the impact and damage caused by rigid contact can be avoided by providing the buffer device 14.
In the preferred embodiment, the driving member 4 is a driving cylinder, a piston rod of the driving cylinder is fixedly connected to the lifting mechanism 3, and the sealing member 6 is a sealing ring.
Certainly in other embodiments, the driving member 4 may also adopt other forms, and only the lifting mechanism 3 may be driven to move up and down, and the sealing member 6 may also be a sealing rubber strip, a sealing filler, or the like, and only the sealing between the gate 5 and the channel cover plate 2 may be achieved.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (5)
1. A pneumatic valve suitable for high temperature environment, its characterized in that: including valve main part (1) and gate (5), be equipped with passageway apron (2), elevating system (3) on valve main part (1) and be used for driving elevating system (3) elevating movement's driving piece (4), gate (5) are located elevating system (3) with between passageway apron (2), one side that gate (5) are close to passageway apron (2) is equipped with sealing member (6) and is close to one side of elevating system (3) and is equipped with pinch roller (7), be equipped with on elevating system (3) and dodge hole (8) and compress tightly seat (9), it compresses tightly chute (10) to be equipped with on compressing tightly seat (9), pinch roller (7) pass dodge hole (8) and be located compress tightly in chute (10).
2. A pneumatically actuated valve adapted for use in high temperature environments as set forth in claim 1, wherein: the valve is characterized in that guide rails (11) are arranged on two sides of the valve body (1), guide wheels (12) and deviation prevention wheels (13) are arranged on two sides of the lifting mechanism (3), the guide wheels (12) are positioned on the same side of the guide rails (11), and the deviation prevention wheels (13) are abutted to the guide rails (11).
3. A pneumatically actuated valve adapted for use in high temperature environments as set forth in claim 1, wherein: and a buffer device (14) is arranged at the limit stroke position of the lifting mechanism (3) of the valve main body (1).
4. A pneumatic valve suitable for use in high temperature environments as claimed in any one of claims 1 to 3, wherein: the driving piece (4) is a driving cylinder, and a piston rod of the driving cylinder is fixedly connected with the lifting mechanism (3).
5. A pneumatic valve suitable for use in high temperature environments as claimed in any one of claims 1 to 3, wherein: the sealing element (6) is a sealing ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010989356.8A CN114198516A (en) | 2020-09-18 | 2020-09-18 | Pneumatic valve suitable for high temperature environment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010989356.8A CN114198516A (en) | 2020-09-18 | 2020-09-18 | Pneumatic valve suitable for high temperature environment |
Publications (1)
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CN114198516A true CN114198516A (en) | 2022-03-18 |
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CN202010989356.8A Pending CN114198516A (en) | 2020-09-18 | 2020-09-18 | Pneumatic valve suitable for high temperature environment |
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CN (1) | CN114198516A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10159999A (en) * | 1996-11-22 | 1998-06-16 | Kishikawa Tokushu Valve Seisakusho:Kk | Frictionless motive power transmitting device |
CN103899762A (en) * | 2012-12-27 | 2014-07-02 | Vat控股公司 | Vacuum slide valve |
CN206738618U (en) * | 2017-04-27 | 2017-12-12 | 沈阳真空技术研究所 | Wedge-type vacuum gate valve |
CN107923554A (en) * | 2015-08-28 | 2018-04-17 | Vat控股公司 | Vacuum valve |
CN109027280A (en) * | 2018-09-27 | 2018-12-18 | 北票真空设备有限公司 | A kind of vacuum gate valve |
-
2020
- 2020-09-18 CN CN202010989356.8A patent/CN114198516A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10159999A (en) * | 1996-11-22 | 1998-06-16 | Kishikawa Tokushu Valve Seisakusho:Kk | Frictionless motive power transmitting device |
CN103899762A (en) * | 2012-12-27 | 2014-07-02 | Vat控股公司 | Vacuum slide valve |
CN107923554A (en) * | 2015-08-28 | 2018-04-17 | Vat控股公司 | Vacuum valve |
CN206738618U (en) * | 2017-04-27 | 2017-12-12 | 沈阳真空技术研究所 | Wedge-type vacuum gate valve |
CN109027280A (en) * | 2018-09-27 | 2018-12-18 | 北票真空设备有限公司 | A kind of vacuum gate valve |
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