CN111765262A - Fire control air pipe valve ventilating board - Google Patents
Fire control air pipe valve ventilating board Download PDFInfo
- Publication number
- CN111765262A CN111765262A CN202010655559.3A CN202010655559A CN111765262A CN 111765262 A CN111765262 A CN 111765262A CN 202010655559 A CN202010655559 A CN 202010655559A CN 111765262 A CN111765262 A CN 111765262A
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- wall
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- fixedly connected
- sliding
- sealing
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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
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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
- F16K3/0254—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 being operated by particular means
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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
- 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
- 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
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a valve ventilation plate of a fire-fighting ventilation pipeline, which relates to the technical field of ventilation and comprises a ventilation pipeline, wherein the upper end of the ventilation pipeline is provided with a first sliding groove in a penetrating manner, the inner wall of the first sliding groove is connected with a baffle in a sliding manner, the upper surface of the baffle is fixedly connected with a sealing plate, the outer side surface of the sealing plate slides along the inner wall of the first sliding groove, the inner wall of the sealing plate is fixedly connected with a sealing ring, the outer side surface of the baffle is connected with a valve plate in a sliding manner, the outer side surface of the valve plate slides along the inner wall of the ventilation pipeline. The valve plate is convenient to use, and the valve plate is prevented from being bent greatly by the elastic force generated by the spring when the valve plate is used at high temperature, so that the sealing performance is better, and the problems in the background art are solved.
Description
Technical Field
The invention relates to the technical field of ventilation, in particular to a valve ventilation plate of a fire-fighting ventilation pipeline.
Background
In fire control air pipe field, need dispose the fire control valve in the pipeline, when the conflagration appears in the building unit, if the condition of a fire stretches to the fire control pipeline in, then must close the fire control valve, in order to prevent that the high temperature air current from being taken out by the fan, influence the external environment, and the sealing performance of traditional fire control valve and pipeline is not good, great when the intensity of a fire, when causing the inside and outside pressure differential increase of pipeline, it produces deformation and leads to producing the clearance and leading to gas leakage between valve and the sealed pad very easily to make the fire control valve, and then cause the influence to the leakproofness of fire control valve, and the thickness of traditional solution mode for thickening the fire control valve by a wide margin, this has leaded to the increase of manufacturing cost again, it is very inconvenient in the in.
Disclosure of Invention
The invention aims to provide a fire-fighting ventilation pipeline valve ventilation plate which has the advantages that the device is convenient to use, and the valve plate is prevented from being greatly bent by the elastic force generated by a spring when the device is used at a high temperature, so that the sealing performance is better, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire control air pipe valve ventilating board, includes air pipe, air pipe's upper end is run through and is provided with spout one, the inner wall sliding connection of spout one has the baffle.
The upper surface of baffle fixedly connected with closing plate, the lateral surface of closing plate slides along the inner wall of spout one, the inner wall fixedly connected with sealing ring of closing plate, the lateral surface sliding connection of baffle has the valve plate, the lateral surface of valve plate slides along air pipe's inner wall, the outer wall of valve plate runs through and is provided with the through-hole, the lateral surface of valve plate is provided with sealing mechanism.
Preferably, the sealing mechanism comprises a second sliding groove, the inner wall of the second sliding groove is connected with a sliding plate in a sliding manner, the outer side surface of the sliding plate is fixedly connected with a connecting block, the end part of the connecting block is fixedly connected with the outer side surface of the valve plate, the outer side surface of the sliding plate is provided with a chute I, the inner wall of the chute I is connected with a sliding column I in a sliding way, the outer side surface of the first sliding column is fixedly connected with a pulling plate, the bottom surface of the pulling plate slides along the inner wall of the ventilating duct, the end part of the pulling plate is fixedly connected with a vertical rod, the outer side surface of the vertical rod is sleeved with a cross rod, the end part of the cross rod is fixedly connected with a sleeve box, the inner wall of the sleeve box is connected with a pull rod in a sliding way, the outer side surface of the pull rod is sleeved with a first spring, the side surface of the first spring is fixedly connected with the inner wall of the sleeve box, the shaft arm of the pull rod slides along the inner wall of the valve plate, and the inner wall of the sliding plate is provided with an auxiliary sealing mechanism.
Preferably, the auxiliary sealing mechanism comprises a second chute, the inner wall of the second chute is connected with a second sliding column, the outer side face fixedly connected with moving rod of the second sliding column is connected with a moving rod, the outer side face of the moving rod slides along the inner wall of the ventilation pipeline, the end part of the moving rod is hinged with a hinged column, a hinged cylinder is sleeved on a shaft arm of the hinged column, a second spring is fixedly connected with the inner wall of the hinged cylinder, the side face of the second spring is fixedly connected with the end part of the hinged column, the end part of the hinged cylinder is hinged with a hinged sheet, and the hinged sheet is fixedly connected with the outer side face of the valve plate.
Preferably, the number of the sealing mechanisms is two, and the sealing mechanisms are arranged in a left-right symmetrical mode by taking the baffle as the center.
Preferably, the upper surface of the sealing plate is fixedly connected with a connecting rod.
Preferably, the upper surface of the connecting rod is fixedly connected with a handle.
Preferably, the material of the sealing ring is silicon rubber.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the ventilating duct, the first sliding groove, the baffle plate, the sealing ring, the valve plate and the through hole are arranged, when a fire disaster happens, an operator firstly holds the handle, and the sealing plate is simultaneously inserted into the first sliding groove and the valve plate, so that the through hole on the outer wall of the valve plate is plugged, thereby realizing sealing, and the first sliding groove is sealed by the sealing plate, so that the airflow is prevented from overflowing.
According to the invention, by arranging the sliding groove II, the sliding plate II, the chute I, the sliding column I, the pulling plate, the vertical rod, the cross rod, the sleeve box, the connecting block, the pulling rod and the spring I, when the sliding plate slides along the inner wall of the sliding groove II, the pulling plate, the vertical rod, the cross rod and the sleeve box are all pulled to move horizontally in the direction away from the sealing plate, so that the spring I is extruded by the inner wall of the sleeve box, and then the spring I is pressed against the pulling rod, and the pulling rod is subjected to the elastic force in the direction away from the sealing plate.
According to the invention, through the arrangement, the sliding plate slides along the inner wall of the sliding groove II, the sliding column II pushes the moving rod to translate towards the direction close to the sealing plate under the common limit of the sliding groove II and the inner wall of the ventilation pipeline, so that the moving rod pushes the hinge column to slide along the inner wall of the hinge cylinder, the extrusion spring II deforms, the two hinge pieces simultaneously act on the valve plate with elastic force in the direction opposite to the high-temperature airflow, the left side and the right side of the valve plate are ensured to be in a butting state with the outer side surface of the sealing ring, and air leakage caused by the fact that a gap is generated between the valve plate and the sealing ring due to backward deformation of the valve plate is further avoided, and the air tightness of.
According to the invention, by arranging the connecting rod and the handle, an operator can more conveniently draw out and insert the baffle plate, so that the device is more convenient to use.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a sectional view of the structure of the present invention taken along line A-A in FIG. 1;
FIG. 3 is an enlarged view of the structure B in FIG. 2 according to the present invention;
fig. 4 is a left side view of the structure of the present invention.
In the figure: 1. a ventilation duct; 2. a first sliding chute; 3. a baffle plate; 4. a sealing plate; 5. a seal ring; 6. a valve plate; 7. a through hole; 8. a second chute; 9. a slide plate; 10. a chute I; 11. a sliding column I; 12. pulling a plate; 13. a vertical rod; 14. a cross bar; 15. a kit; 16. a pull rod; 17. a first spring; 18. a second chute; 19. a sliding column II; 20. a travel bar; 21. a hinged column; 22. a hinge barrel; 23. a second spring; 24. a hinged sheet; 25. a connecting rod; 26. a handle; 27. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a fire control air pipe valve ventilating board, includes air pipe 1, and air pipe 1's upper end is run through and is provided with spout one 2, and the inner wall sliding connection of spout one 2 has baffle 3.
The upper surface of the baffle 3 is fixedly connected with a sealing plate 4, the outer side surface of the sealing plate 4 slides along the inner wall of the first sliding groove 2, the inner wall of the sealing plate 4 is fixedly connected with a sealing ring 5, the outer side surface of the baffle 3 is connected with a valve plate 6 in a sliding manner, the outer side surface of the valve plate 6 slides along the inner wall of the ventilation pipeline 1, the outer wall of the valve plate 6 is provided with a through hole 7 in a penetrating manner, when a fire disaster happens, an operator firstly holds the handle 26, and can observe the position of the valve plate 6 through the first sliding groove 2, so that the operator can insert the sealing plate 4 into the valve plate 6 and further insert the sealing plate 4 into the first sliding groove 2 and the valve plate 6 simultaneously, thereby realizing sealing, and sealing the first sliding groove 2 through the sealing plate 4 to prevent the air flow from overflowing, and the high-temperature air flow, make valve plate 6 and sealing ring 5 carry out the contact seal, under the normal use condition, operating personnel only need take out closing plate 4 to make air current accessible through-hole 7 normally circulate, the lateral surface of valve plate 6 is provided with sealing mechanism.
In the above scheme, specifically, the sealing mechanism includes a second sliding chute 8, a sliding plate 9 is slidably connected to an inner wall of the second sliding chute 8, a connecting block 27 is fixedly connected to an outer side surface of the sliding plate 9, an end portion of the connecting block 27 is fixedly connected to an outer side surface of the valve plate 6, a first chute 10 is formed in an outer side surface of the sliding plate 9, a first sliding column 11 is slidably connected to an inner wall of the first chute 10, a pull plate 12 is fixedly connected to an outer side surface of the first sliding column 11, a bottom surface of the pull plate 12 slides along an inner wall of the ventilation duct 1, a vertical rod 13 is fixedly connected to an end portion of the pull plate 12, a horizontal rod 14 is sleeved on an outer side surface of the vertical rod 13, a sleeve box 15 is fixedly connected to an end portion of the horizontal rod 14, a pull rod 16 is slidably connected to an inner wall of the sleeve box 15, a first spring 17 is sleeved on an, through the sliding process of the sliding plate 9 along the inner wall of the sliding groove II 8 and under the common limiting action of the sliding groove I2 and the inner wall of the ventilating duct 1, so that the pull plate 12, the vertical rod 13, the cross rod 14 and the sleeve box 15 are pulled by the first sliding column 11 to move horizontally in the direction away from the baffle 3, the inner wall of the sleeve box 15 extrudes the first spring 17, and the first spring 17 presses the pull rod 16, so that the pull rod 16 is subjected to the elastic force in the direction away from the sealing plate 4, and through the movement process, when the valve plate 6 slides along the inner wall of the ventilation duct 1 towards the direction close to the sealing ring 5, the two pull rods 16 are respectively subjected to the elastic thrusts of the two springs one 17, thereby to the tensile valve plate 6 of both sides, avoided valve plate 6 because of receiving high temperature air current the effect down produce backward deformation and produce the space and lead to high temperature air current excessive between 5 with the sealing ring, cause the influence to the external environment.
In the above scheme, specifically, the auxiliary sealing mechanism includes a second chute 18, the inner wall of the second chute 18 is slidably connected with a second sliding column 19, the outer side surface of the second sliding column 19 is fixedly connected with a moving rod 20, the outer side surface of the moving rod 20 slides along the inner wall of the ventilation duct 1, the end portion of the moving rod 20 is hinged with a hinge column 21, a hinge cylinder 22 is sleeved on a shaft arm of the hinge column 21, a second spring 23 is fixedly connected to the inner wall of the hinge cylinder 22, the side surface of the second spring 23 is fixedly connected to the end portion of the hinge column 21, the end portion of the hinge cylinder 22 is hinged with a hinge sheet 24, the hinge sheet 24 is fixedly connected to the outer side surface of the valve plate 6, and meanwhile, through the sliding process of the sliding plate 9 along the inner wall of the second chute 8, the second sliding column 19 pushes the moving rod 20 to translate in the direction close to the sealing plate 4 under the common limit of the second chute 18 and the inner wall, and two 23 production deformations of extrusion spring, and then make two articulated pieces 24 act on the valve plate 6 simultaneously with the high temperature air current opposite direction's elastic force, guaranteed that the left and right sides of valve plate 6 all keeps the butt state with the lateral surface of sealing ring 5 to further avoided 6 deformations of valve plate backward and sealing ring 5 between produce the space and lead to leaking gas, and then made the gas tightness of valve plate 6 better.
In the above-mentioned scheme, furtherly, sealing mechanism's quantity is two, and uses baffle 3 to be bilateral symmetry setting as the center, and quantity through setting up sealing mechanism is two for the left and right sides homoenergetic of valve plate 6 keeps good sealed effect, makes sealed more effective.
In the above scheme, further, the last fixed surface of closing plate 4 is connected with connecting rod 25, and the last fixed surface of connecting rod 25 is connected with handle 26, through setting up connecting rod 25 and handle 26 for operating personnel is more convenient take out and insert baffle 3, makes the device use more convenient.
In the above scheme, further, the material of the sealing ring 5 is silicon rubber, and the sealing ring 5 can still keep good sealing performance at high temperature through the high-temperature-resistant performance of the silicon rubber material.
The working principle is as follows: when a fire occurs, an operator firstly holds the handle 26, can observe the position of the valve plate 6 through the first sliding groove 2, can insert the sealing plate 4 into the valve plate 6, further insert the sealing plate 4 into the first sliding groove 2 and the valve plate 6 simultaneously, and plug the through hole 7 on the outer wall of the valve plate 6, thereby realizing the sealing effect, and seal the first sliding groove 2 through the sealing plate 4 to prevent the air flow from overflowing, the valve plate 6 is pushed to slide along the inner wall of the ventilation pipeline 1 from the arrow direction shown in fig. 2 by the high-temperature air flow generated during the fire, so that the valve plate 6 is in contact sealing with the sealing ring 5, the sliding plate 9 is pushed to slide along the inner wall of the second sliding groove 8, and further, under the common limiting action of the first sliding groove 2 and the inner wall of the ventilation pipeline 1, the sliding column 11 pulls the pulling pull plate 12, the vertical rod 13, the cross rod 14 and the sleeve box 15 to move horizontally towards, when the sleeve box 15 moves away from the baffle 3, the longitudinal position of the pull rod 16 is not changed under the limit of the valve plate 6, so the spring I17 is extruded, the inner wall of the sleeve box 15 extrudes the spring I17, and the spring I17 is pressed against the pull rod 16, so that the pull rod 16 is subjected to the elastic force in the direction away from the sealing plate 4, through the movement process, when the valve plate 6 slides along the inner wall of the ventilation pipeline 1 in the direction close to the sealing ring 5, through the process that the sleeve box 15 extrudes the spring I17, the elastic thrust is generated, so that the pull rod 16 generates the trend of moving away from the baffle 3, the two pull rods 16 are respectively subjected to the elastic thrust of the two springs I17, so as to stretch the valve plate 6 towards two sides, and avoid the influence on the external environment caused by the high-temperature airflow overflow due to the backward deformation of the valve plate 6 under the action of the high-temperature, and simultaneously, the sliding plate 9 slides along the inner wall of the second sliding chute 8, so that the second sliding column 19 pushes the moving rod 20 to move horizontally in the direction close to the sealing plate 4 under the common limit of the second sliding chute 18 and the inner wall of the ventilation pipeline 1, so that the moving rod 20 pushes the hinge post 21 to slide along the inner wall of the hinge cylinder 22, and the second pressing spring 23 is deformed, so that the two hinged sheets 24 simultaneously act on the valve plate 6 with elastic force in the direction opposite to the high-temperature airflow, the left side and the right side of the valve plate 6 are ensured to be in a state of being abutted against the outer side surface of the sealing ring 5, thereby further avoiding air leakage caused by the clearance between the backward deformation of the valve plate 6 and the sealing ring 5, and then make the gas tightness of valve plate 6 better, under the normal use condition, operating personnel only need take out closing plate 4 to make air current accessible through-hole 7 normally circulate.
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 (8)
1. The utility model provides a fire control air pipe valve air board, includes air pipe (1), its characterized in that: the upper end of the ventilation pipeline (1) is provided with a first sliding chute (2) in a penetrating mode, and the inner wall of the first sliding chute (2) is connected with a baffle (3) in a sliding mode;
the air duct sealing structure is characterized in that a sealing plate (4) is fixedly connected to the upper surface of the baffle (3), the outer side surface of the sealing plate (4) slides along the inner wall of the first sliding groove (2), a sealing ring (5) is fixedly connected to the inner wall of the sealing plate (4), a valve plate (6) is slidably connected to the outer side surface of the baffle (3), the outer side surface of the valve plate (6) slides along the inner wall of the air duct (1), a through hole (7) is formed in the outer wall of the valve plate (6) in a penetrating mode, and a sealing mechanism is arranged on the outer.
2. A fire fighting ventilation duct valve ventilation board as defined in claim 1, characterized in that: sealing mechanism includes spout two (8), the inner wall sliding connection of spout two (8) has slide (9), the lateral surface fixedly connected with connecting block (27) of slide (9), the tip of connecting block (27) and the lateral surface fixed connection of valve plate (6).
3. A fire fighting ventilation duct valve ventilation board as defined in claim 2, characterized in that: the sealing mechanism also comprises a chute I (10) arranged on the outer side surface of the sliding plate (9), the inner wall of the chute I (10) is connected with a sliding column I (11) in a sliding way, the outer side surface of the sliding column I (11) is fixedly connected with a pulling plate (12), the bottom surface of the pulling plate (12) slides along the inner wall of the ventilation pipeline (1), the end part of the pulling plate (12) is fixedly connected with a vertical rod (13), a cross bar (14) is sleeved on the outer side surface of the vertical bar (13), a sleeve box (15) is fixedly connected with the end part of the cross bar (14), the inner wall of the sleeve box (15) is connected with a pull rod (16) in a sliding way, the outer side surface of the pull rod (16) is sleeved with a first spring (17), the side surface of the first spring (17) is fixedly connected with the inner wall of the sleeve box (15), the shaft arm of the pull rod (16) slides along the inner wall of the valve plate (6), and the inner wall of the sliding plate (9) is provided with an auxiliary sealing mechanism;
supplementary sealing mechanism includes chute two (18), the inner wall sliding connection of chute two (18) has traveller two (19), lateral surface fixedly connected with carriage release lever (20) of traveller two (19), the lateral surface of carriage release lever (20) slides along the inner wall of air pipe (1), the tip of carriage release lever (20) articulates there is articulated post (21), the armshaft of articulated post (21) has cup jointed a section of thick bamboo (22), the inner wall fixedly connected with spring two (23) of an articulated section of thick bamboo (22), the side of spring two (23) and the tip fixed connection of articulated post (21).
4. A fire fighting ventilation duct valve ventilation board as defined in claim 3, characterized in that: the end part of the hinge cylinder (22) is hinged with a hinge sheet (24), and the hinge sheet (24) is fixedly connected with the outer side surface of the valve plate (6).
5. A fire fighting ventilation duct valve ventilation board as defined in claim 1, characterized in that: the number of the sealing mechanisms is two, and the sealing mechanisms are arranged in a bilateral symmetry mode by taking the baffle (3) as the center.
6. A fire fighting ventilation duct valve ventilation board as defined in claim 1, characterized in that: the upper surface of the sealing plate (4) is fixedly connected with a connecting rod (25).
7. A fire fighting ventilation duct valve ventilation board as defined in claim 6, characterized in that: the upper surface of the connecting rod (25) is fixedly connected with a handle (26).
8. A fire fighting ventilation duct valve ventilation board as defined in claim 1, characterized in that: the sealing ring (5) is made of silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655559.3A CN111765262B (en) | 2020-07-09 | 2020-07-09 | Fire control air pipe valve ventilating board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010655559.3A CN111765262B (en) | 2020-07-09 | 2020-07-09 | Fire control air pipe valve ventilating board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111765262A true CN111765262A (en) | 2020-10-13 |
| CN111765262B CN111765262B (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010655559.3A Expired - Fee Related CN111765262B (en) | 2020-07-09 | 2020-07-09 | Fire control air pipe valve ventilating board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111765262B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719617A (en) * | 2021-08-13 | 2021-11-30 | 王宇超 | But automatic detection clearance sealing state's butterfly valve |
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| CN210859858U (en) * | 2019-10-16 | 2020-06-26 | 合肥星源新能源材料有限公司 | Plug-in simple air valve device |
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| CA2245987A1 (en) * | 1998-09-25 | 2000-03-25 | Henri Fontaine | Double action locking valve |
| CN2545435Y (en) * | 2002-04-28 | 2003-04-16 | 上海欧特莱阀门机械有限公司 | Short stroke hard seal gate valve |
| CN101377240A (en) * | 2007-08-31 | 2009-03-04 | 中国核动力研究设计院 | Flow regulation apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719617A (en) * | 2021-08-13 | 2021-11-30 | 王宇超 | But automatic detection clearance sealing state's butterfly valve |
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| CN111765262B (en) | 2022-06-10 |
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