CN218761629U - Backflow-preventing fire valve - Google Patents
Backflow-preventing fire valve Download PDFInfo
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- CN218761629U CN218761629U CN202222570165.5U CN202222570165U CN218761629U CN 218761629 U CN218761629 U CN 218761629U CN 202222570165 U CN202222570165 U CN 202222570165U CN 218761629 U CN218761629 U CN 218761629U
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Abstract
The utility model discloses a fire control valve of anti-return relates to fire-fighting apparatus technical field, which comprises a valve body, the bottom surface fixedly connected with oral siphon of valve body, the inner wall of oral siphon is provided with canceling release mechanical system, the surface mounting of valve body has the outlet pipe, the one end fixedly connected with joint dish of valve body surface is kept away from to the outlet pipe, the spout has been seted up to the surface of valve body, the inner wall of spout rotates and is connected with the pivot, the outer fixed surface of pivot is connected with the carousel, the last fixed surface of valve body is connected with spacing fixture block, the inner wall of spacing fixture block rotates and connects in the surface of pivot, the first solid fixed ring of inner wall fixedly connected with of valve body, the one end fixedly connected with bearing closing plate of carousel surface is kept away from in the pivot. The utility model discloses a set up canceling release mechanical system's effect, can cut off the oral siphon automatically when the water valve is closed and prevent the backward flow, avoid producing the problem of water source seepage, realize the practicality to the fire control valve of anti-return flow.
Description
Technical Field
The utility model relates to a fire-fighting apparatus technical field specifically is a fire control valve of anti-return.
Background
The fire-fighting valve is an important accessory for controlling fire-fighting industry and building pipelines, and is composed of three parts of valve body, opening and closing mechanism and valve cover, and the valve is a control component in fluid conveying system, and has the functions of stopping, regulating and guiding, preventing counter-flow, stabilizing pressure, shunting or overflowing and relieving pressure.
The water port of the flow stopping structure in the existing fire valve is closed by backflow water pressure, but the mode has the premise that the backflow water pressure is strong enough to reset the flow stopping drill structure, if the backflow water pressure is too small, and if the backflow water pressure is too small, the flow stopping structure cannot be completely reset, so that the problem of water source leakage is caused, and backflow cannot be effectively prevented; therefore, the backflow-preventing fire valve solves the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire valve of anti-return flow in order to make up the not enough of prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a fire control valve of anti-return, includes the valve body, the bottom surface fixedly connected with oral siphon of valve body, the inner wall of oral siphon is provided with canceling release mechanical system, the surface mounting of valve body has the outlet pipe, the one end fixedly connected with joint dish of valve body surface is kept away from to the outlet pipe, the spout has been seted up to the surface of valve body, the inner wall of spout rotates and is connected with the pivot, the outer fixed surface of pivot is connected with the carousel.
Further, the last fixed surface of valve body is connected with spacing fixture block, the inner wall of spacing fixture block rotates to be connected in the surface of pivot, the first solid fixed ring of inner wall fixedly connected with of valve body.
Further, the one end fixedly connected with bearing closing plate of carousel surface is kept away from to the pivot, bearing closing plate's surface sliding connection is in first solid fixed ring's inner wall, a side fixedly connected with cylindricality valve that the pivot one end was kept away from to the bearing closing plate, the inner wall fixedly connected with cross fixed plate of cylindricality valve.
Further, the inner wall fixedly connected with second of valve body is solid fixed ring, the solid fixed ring's of second inner wall sliding connection has sealed fender board, the inner wall fixed connection of sealed fender board is in the surface of cylindricality valve.
Furthermore, the reset mechanism comprises a water passing plate, the outer surface of the water passing plate is fixedly connected to the inner wall of the water inlet pipe, four water outlet holes in circumferential arrays are formed in the outer surface of the water passing plate, and fixing blocks are fixedly connected to the upper surfaces of the water outlet holes.
Further, the upper surface fixed connection of fixed block has the slide bar, the one end fixedly connected with column plate of fixed block upper surface is kept away from to the slide bar, the upper surface of column plate rotates and connects in the bottom surface of cross fixed plate, the surface sliding connection of slide bar has the slider.
Furthermore, the bottom surface fixedly connected with elastic component of column plate, the one end fixed connection in the upper surface of slider that elastic component kept away from the column plate bottom surface, the surface of slider articulates there is the articulated slab of four circumference arrays, four the one end that the slider surface was kept away from to the articulated slab all articulates there is the apron, four the surface of apron all articulates in the upper surface that leads to the water board.
Has the advantages that:
1. the utility model discloses a set up canceling release mechanical system's effect, can cut off the oral siphon automatically when the water valve is closed and prevent the backward flow, avoid producing the problem of water source seepage, realize the practicality to the fire control valve of anti-return flow.
2. The utility model discloses a set up the apopore, the slider, elastic component, the mating reaction between articulated slab and the apron, utilize the slider, mating reaction between articulated slab and the apron, when the valve is opened, the impact of rivers can promote the apron and promote the articulated slab to remove, move to the top through articulated and promotion slider, extrude elastic component, when the valve is closed, the internal pressure of valve body reduces this moment, utilize elastic component's reaction force and through the pressure when backward flowing, can promote the apron and remove to the apopore, when the apron seals the apopore, accomplish the only current and make the unable backward flow of water this moment.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the valve body of the present invention;
fig. 3 is a schematic perspective view of the resetting mechanism of the present invention;
fig. 4 is a schematic structural view of another view angle of the reset mechanism of the present invention.
In the figure: the water inlet valve comprises a valve body 1, a water inlet pipe 2, a reset mechanism 3, a water passing plate 301, a water outlet hole 302, a fixing block 303, a sliding rod 304, a cylindrical plate 305, a sliding block 306, an elastic component 307, a hinged plate 308, a cover plate 309, a water outlet pipe 4, a clamping disc 5, a sliding groove 6, a rotating shaft 7, a rotating disc 8, a limiting clamping block 9, a first fixing ring 10, a bearing sealing plate 11, a cylindrical valve 12, a sealing cushion plate 13, a cross fixing plate 14 and a second fixing ring 15.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Referring to fig. 1 to 4, the utility model discloses a fire valve of backflow prevention, including valve body 1, the bottom surface fixedly connected with oral siphon 2 of valve body 1, the inner wall of oral siphon 2 is provided with canceling release mechanical system 3.
Referring to fig. 1, 2, 3 and 4, the resetting mechanism 3 includes a water passing plate 301, an outer surface of the water passing plate 301 is fixedly connected to an inner wall of the inlet pipe 2, four circumferentially arrayed outlet holes 302 are formed in the outer surface of the water passing plate 301, and a fixing block 303 is fixedly connected to an upper surface of each outlet hole 302.
A sliding rod 304 is fixedly connected to the upper surface of the fixed block 303, and a cylindrical plate 305 is fixedly connected to one end of the sliding rod 304, which is far away from the upper surface of the fixed block 303.
In this embodiment, the cylindrical plate 305 is rotatably connected to the cross fixing plate 14 such that the rotary disk 8 rotates the cylindrical valve 12 without rotating the sliding rod 304 and the cylindrical plate 305.
The upper surface of the cylindrical plate 305 is rotatably connected to the bottom surface of the cross fixing plate 14, and the outer surface of the sliding rod 304 is slidably connected with a sliding block 306.
The bottom surface of the cylindrical plate 305 is fixedly connected with a resilient member 307.
In this embodiment, the state of the elastic component 307 is always in the pushing state, and the pushing slide 306 moves to the position of the fixed block 303.
The end of the elastic component 307 far away from the bottom surface of the cylindrical plate 305 is fixedly connected to the upper surface of the sliding block 306, the outer surface of the sliding block 306 is hinged with four hinge plates 308 in a circumferential array, the ends of the four hinge plates 308 far away from the outer surface of the sliding block 306 are hinged with cover plates 309, and the outer surfaces of the four cover plates 309 are hinged to the upper surface of the water passing plate 301.
Through the cooperation between the slider 306, the hinge plate 308 and the cover plate 309, when the valve is opened, the impact of the water flow pushes the cover plate 309 and the hinge plate 308 to move, and through the hinge and the slider 306 to move upwards, the water flow can flow out through the water outlet hole 302.
When the valve is closed, the internal pressure of the valve body 1 is reduced, the cover plate 309 can be pushed to move towards the water outlet hole 302 by using the reaction force of the elastic component 307 and the pressure during backflow, and when the cover plate 309 seals the water outlet hole 302, water stopping is completed at this time, so that water cannot flow back.
The surface mounting of valve body 1 has outlet pipe 4, and the one end fixedly connected with joint dish 5 of valve body 1 surface is kept away from to outlet pipe 4, and joint dish 5 is equipped with the leak protection pad in this embodiment, when carrying out the joint with the water pipe, can prevent that rivers from leaking.
The outer surface of the valve body 1 is provided with a chute 6, the inner wall of the chute 6 is rotatably connected with a rotating shaft 7, and the outer surface of the rotating shaft 7 is fixedly connected with a turntable 8.
The upper surface of the valve body 1 is fixedly connected with a limiting clamping block 9, and the rotating shaft 7 can be limited under the action of the limiting clamping block 9, so that the valve is prevented from falling off in the rotating process and cannot normally operate.
The inner wall of the limiting clamping block 9 is rotatably connected to the outer surface of the rotating shaft 7, and the inner wall of the valve body 1 is fixedly connected with a first fixing ring 10.
One end of the rotating shaft 7, which is far away from the outer surface of the rotating disc 8, is fixedly connected with a bearing sealing plate 11, and the outer surface of the bearing sealing plate 11 is slidably connected with the inner wall of the first fixing ring 10.
In this embodiment, the portion of the bearing sealing plate 11 contacting the first fixing ring 10 is sealed, so as to avoid water leakage and waste of water source.
A cylindrical valve 12 is fixedly connected to one side surface of the bearing sealing plate 11 far away from one end of the rotating shaft 7, and a cross fixing plate 14 is fixedly connected to the inner wall of the cylindrical valve 12.
The inner wall of the valve body 1 is fixedly connected with a second fixing ring 15, the inner wall of the second fixing ring 15 is connected with a sealing backing plate 13 in a sliding mode, and the inner wall of the sealing backing plate 13 is fixedly connected to the outer surface of the cylindrical valve 12.
In this embodiment, the portion of the sealing pad plate 13 contacting with the second fixing ring 15 is sealed, so as to avoid water leakage and waste of water source.
When the valve is closed and needs to be stopped, firstly, the rotary disc 8 is manually rotated to drive the cylindrical valve 12 to rotate, when the outlet of the cylindrical valve 12 is communicated with the water outlet pipe 4, at the moment, the water flow can release pressure to be discharged, then, by utilizing the cooperation effect among the sliding block 306, the hinged plate 308 and the cover plate 309, when the valve is opened, the impact of the water flow can push the cover plate 309 and push the hinged plate 308 to move, and the sliding block 306 is hinged and pushed to move upwards to extrude the elastic component 307;
finally, when the valve is closed, the internal pressure of the valve body 1 is reduced, the cover plate 309 can be pushed to move towards the water outlet hole 302 by using the reaction force of the elastic component 307 and the pressure during backflow, when the cover plate 309 seals the water outlet hole 302, the water is stopped at the moment, so that water cannot flow back, the released part of the cylindrical valve 12 is sealed by using the action of the bearing sealing plate 11, and the part of the cylindrical valve which is in contact with the first fixing ring 10 is sealed, so that the water source leakage is avoided.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a fire control valve of anti-return, includes valve body (1), its characterized in that: the bottom surface fixedly connected with oral siphon (2) of valve body (1), the inner wall of oral siphon (2) is provided with canceling release mechanical system (3), the surface mounting of valve body (1) has outlet pipe (4), one end fixedly connected with clamping disc (5) of valve body (1) surface are kept away from in outlet pipe (4), spout (6) have been seted up to the surface of valve body (1), the inner wall of spout (6) rotates and is connected with pivot (7), the fixed surface of pivot (7) is connected with carousel (8).
2. A backflow prevention fire valve as claimed in claim 1, wherein: the upper surface fixed connection of valve body (1) has spacing fixture block (9), the inner wall of spacing fixture block (9) rotates and connects in the surface of pivot (7), the first solid fixed ring (10) of inner wall fixed connection of valve body (1).
3. A backflow prevention fire valve as claimed in claim 1, wherein: the one end fixedly connected with bearing seal plate (11) of carousel (8) surface is kept away from in pivot (7), the surface sliding connection of bearing seal plate (11) is in the inner wall of first solid fixed ring (10), a side fixedly connected with cylindricality valve (12) of pivot (7) one end is kept away from in bearing seal plate (11), the inner wall fixedly connected with cross fixed plate (14) of cylindricality valve (12).
4. A backflow prevention fire valve as claimed in claim 1, wherein: the inner wall fixedly connected with second of valve body (1) is fixed ring (15), the inner wall sliding connection of the fixed ring of second (15) has sealed fender board (13), the inner wall fixed connection of sealed fender board (13) is in the surface of cylindricality valve (12).
5. A backflow prevention fire valve as claimed in claim 1, wherein: the resetting mechanism (3) comprises a water passing plate (301), the outer surface of the water passing plate (301) is fixedly connected to the inner wall of the water inlet pipe (2), the outer surface of the water passing plate (301) is provided with four water outlet holes (302) in a circumferential array, and the upper surface of each water outlet hole (302) is fixedly connected with a fixing block (303).
6. A backflow prevention fire valve as claimed in claim 5, wherein: the last fixed surface of fixed block (303) is connected with slide bar (304), the one end fixedly connected with cylindricality board (305) of fixed block (303) upper surface is kept away from in slide bar (304), the upper surface of cylindricality board (305) rotates the bottom surface of connecting in cross fixed plate (14), the surface sliding connection of slide bar (304) has slider (306).
7. A backflow prevention fire valve as claimed in claim 6, wherein: the bottom surface of the cylindrical plate (305) is fixedly connected with an elastic component (307), one end, away from the bottom surface of the cylindrical plate (305), of the elastic component (307) is fixedly connected to the upper surface of the sliding block (306), the outer surface of the sliding block (306) is hinged with four hinge plates (308) in a circumferential array, one ends, away from the outer surface of the sliding block (306), of the hinge plates (308) are hinged with cover plates (309), and the outer surfaces of the cover plates (309) are hinged to the upper surface of the water passing plate (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570165.5U CN218761629U (en) | 2022-09-27 | 2022-09-27 | Backflow-preventing fire valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570165.5U CN218761629U (en) | 2022-09-27 | 2022-09-27 | Backflow-preventing fire valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218761629U true CN218761629U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222570165.5U Active CN218761629U (en) | 2022-09-27 | 2022-09-27 | Backflow-preventing fire valve |
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| CN (1) | CN218761629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489836A (en) * | 2024-01-02 | 2024-02-02 | 四川优机实业股份有限公司 | Adjustable quick-start pressure release valve |
-
2022
- 2022-09-27 CN CN202222570165.5U patent/CN218761629U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117489836A (en) * | 2024-01-02 | 2024-02-02 | 四川优机实业股份有限公司 | Adjustable quick-start pressure release valve |
| CN117489836B (en) * | 2024-01-02 | 2024-03-08 | 四川优机实业股份有限公司 | Adjustable quick-start pressure release valve |
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