CN217207888U - Backflow-preventing fire valve - Google Patents
Backflow-preventing fire valve Download PDFInfo
- Publication number
- CN217207888U CN217207888U CN202123203245.9U CN202123203245U CN217207888U CN 217207888 U CN217207888 U CN 217207888U CN 202123203245 U CN202123203245 U CN 202123203245U CN 217207888 U CN217207888 U CN 217207888U
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- valve
- water
- installation
- baffle
- butterfly plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000009434 installation Methods 0.000 claims abstract description 37
- 230000002265 prevention Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000010992 reflux Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 6
- 230000003405 preventing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a fire control valve technical field especially relates to a fire control valve of anti-return flow. The technical scheme comprises the following steps: valve casing, play water valve port and check valve, the inside movable mounting of valve casing has the ball valve, and two sets of water valve ports are installed in the outside of valve casing, and the check valve includes the installation baffle, and the installation pole is installed through the installed part in the top of installation baffle, and the butterfly plate is installed through the shaft member in the outside of installation pole, and the spring is installed in the outside of installation pole. The utility model discloses an elastic force of spring and the reflux force at water source can drive the butterfly plate and carry out pitch arc rotation and reset to advance to block spacingly through the installation baffle to the butterfly plate, utilize the multiplicable butterfly plate of elastic force of spring and installation baffle to be connected the compactness, effectively prevent the problem of water source seepage, form an inclosed isolation subassembly through two sets of butterfly plates and installation baffle, block the inside water source of valve casing effectively, realize the water source non return, increased the function of device anti-return.
Description
Technical Field
The utility model relates to a fire control valve technical field specifically is a fire control valve of anti-return.
Background
The fire valve is an important accessory for controlling the fire industry and the building pipelines, and the fire valve for preventing backflow is provided for preventing backflow and reducing water seepage rate.
Through the retrieval, patent publication number is CN208793719U discloses a fire control valve of anti-return, including valve body and second ring flange, the outer surface bottom position welding of valve body has the fixed disk, and the lower skin weld of valve body has first takeover, one side outer wall welding of valve body has the second to take over, and the upper surface welding of valve body has the hollow tube, the upper surface of hollow tube is provided with first ring flange, the upper surface intermediate position of second ring flange is provided with the rod cover, and just first ring flange and second ring flange have same screw rod through rod cover movable mounting, rotatory chamber has been seted up to the inside intermediate position of hollow tube, and all is provided with between the both sides inner wall of rotatory chamber and hollow tube and pours the chamber, the lower extreme fixed mounting of screw rod has the case, the internal fixed surface of first takeover installs the card frame, and the inside of card frame is provided with the separation blade.
The existing fire valve has the defects that:
1. the existing fire valve flow stopping structure is reset under the action of backflow water pressure, a reset structure is not provided, the flow stopping structure cannot be limited effectively, and when the backflow water pressure is too small, the flow stopping structure cannot be reset completely, so that the problem of water source leakage is caused, backflow cannot be prevented effectively, and the backflow preventing effect is influenced;
2. current fire valve does not have two mouthful water delivery functions for two sets of fire hydrant pipes can't install additional to the device, has limited the fire control water source scope of putting out a fire, makes do not have the controllability of device, thereby can't carry out the regulation of single mouthful of water or two mouthful of water of going out to use according to the fire control needs, we provide the fire valve of backflow prevention for this and solve current problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire control valve of anti-return to solve the problem that proposes in the above-mentioned background 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 valve casing, play water valve port and check valve, the screw thread end is installed at the top of valve casing, the inside movable mounting of valve casing has the ball valve, the draw-in groove end is installed at the top of ball valve, the valve gap is installed through the screw thread end at the top of valve casing, the inside through installation of valve gap has the axostylus axostyle, two sets of water valve ports are installed in the outside of valve casing, the inlet tube is installed to the bottom of valve casing, the inside of inlet tube is provided with the non return chamber, the internally mounted in non return chamber has the check valve, the check valve is including the installation baffle, the installation pole is installed through the installed to the installed part in the top of installation baffle, the butterfly plate is installed through the shaft in the outside of installation pole, the spring is installed in the outside of installation pole, and the spring is contradicted with one side of butterfly plate and is connected.
When the backflow-preventing fire valve in the technical scheme is used, a water source enters the check cavity through the water inlet pipe, the pressure of the water source can drive the two sets of butterfly plates to overturn in an arc manner, the water source can be conveyed to the valve shell through the overturn of the two sets of butterfly plates, the ball valve can be driven to rotate through the shaft rod, when a set of water outlet in the ball valve is in butt joint with a set of water outlet valve port, only one water outlet valve port is used for discharging water, when the two sets of water outlets in the ball valve are in butt joint with the two sets of water outlet valve ports, the two sets of water outlet valve ports discharge water simultaneously, the water outlet end of the device is increased, a fire pipe is convenient to be additionally installed according to fire fighting needs, when the ball valve rotates to be dislocated with the water outlet valve ports, the water outlet valve ports stop discharging water, the butterfly plates can be driven to reset through the elastic force of the spring, the butterfly plates are blocked and limited through the installation baffle plates, and the backflow of the water source is prevented by the two sets of butterfly plates.
Preferably, the top end of the shaft lever is provided with a turntable, and the bottom end of the shaft lever is clamped with the clamping groove end. Can drive the axostylus axostyle through rotatory carousel and rotate, utilize axostylus axostyle and draw-in groove end joint for rotatory axostylus axostyle passes through draw-in groove end ball valve rotation.
Preferably, two groups of water outlets are arranged on the outer side of the ball valve, and a water inlet is formed in the bottom of the ball valve. The water source enters the ball valve through the water inlet, the water source in the ball valve is discharged through the two water outlets, the two water outlets can correspond to the two water outlet valve ports, the two water outlet valve ports can conveniently discharge water at the same time, the water outlet end of the device is added, and the two groups of fire fighting pipes can conveniently convey water at the same time.
Preferably, a flowmeter is installed on one side of the water inlet pipe, and a threaded pipe is installed at the bottom end of the water inlet pipe. But through the inside water source flow of real-time supervision inlet pipe, the fire fighter of being convenient for looks over the fire control water consumption.
Preferably, one end of the water outlet valve port is provided with a clamping disc, and the front surface of the clamping disc is provided with a clamping plate. The clamping disc can be rapidly clamped with the fire hydrant pipe through the clamping plate, so that the installation efficiency of the fire hydrant pipe is improved.
Preferably, the installation piece is installed to the top both sides of installation baffle, and the bottom of butterfly plate is contradicted with the top of installation baffle and is connected. The installation rod can be firmly fixed on the two sides of the top of the installation baffle through the installation part, the installation firmness of the installation rod is guaranteed, the rotation position of the butterfly plate can be limited through the installation baffle, the butterfly plate can only rotate in one direction, and therefore one-way conveying of water flow is achieved, and the backflow preventing structure is increased.
Compared with the prior art, the beneficial effects of the utility model are that:
1. elastic force through the spring and the reflux force at water source can drive the butterfly plate and carry out pitch arc rotation and reset to advance to block spacingly through the installation baffle to the butterfly plate, the elasticity that utilizes the spring can multiplicable butterfly plate and the installation baffle be connected closely nature, effectively prevent the problem of water source seepage, form an inclosed isolation subassembly through two sets of butterfly plates and installation baffle, block the inside water source of valve casing effectively, realize the non return to the water source, increased the function that the device prevented the backward flow.
2. Can drive the axostylus axostyle through rotatory carousel and rotate, utilize axostylus axostyle and draw-in groove end joint, make rotatory axostylus axostyle rotatory through draw-in groove end ball valve, when the ball valve is rotatory to a set of delivery port and a set of water outlet valve port butt joint, then only one water outlet valve port goes out water, realize device list mouthful of water, when the ball valve is rotatory to two sets of delivery ports and two sets of water outlet valve port butt joints, then two sets of water outlet valve ports go out water simultaneously, realize device two port water, make its device can install the fire control pipe additional according to the fire control needs, thereby can improve fire control water source fire extinguishing range, and the setting up of two sets of delivery ports and water outlet valve port increases the controllability of device, be convenient for carry out the regulation use of list mouthful of water or two port water outlets according to the use needs.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
FIG. 3 is a schematic view of a partial structure of the ball valve of the present invention;
fig. 4 is a schematic view of a partial structure of the check valve of the present invention.
In the figure: 1. a valve cover; 101. a turntable; 102. a shaft lever; 2. a ball valve; 201. a slot end; 202. a water outlet; 203. a water inlet; 3. a valve housing; 301. a threaded end; 4. a water inlet pipe; 401. a flow meter; 402. a check cavity; 403. a threaded pipe; 5. a water outlet valve port; 501. a clamping disc; 6. a check valve; 601. installing a baffle; 602. a mounting member; 603. mounting a rod; 604. a spring; 605. a butterfly plate.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example one
As shown in fig. 1-4, the utility model provides an anti-backflow fire valve, including valve housing 3, water outlet valve port 5 and check valve 6, threaded end 301 is installed at the top of valve housing 3, the inside movable mounting of valve housing 3 has ball valve 2, draw-in groove end 201 is installed at the top of ball valve 2, the outside of ball valve 2 is provided with two sets of delivery ports 202, and the bottom of ball valve 2 is equipped with water inlet 203, valve cover 1 is installed through threaded end 301 at the top of valve housing 3, shaft lever 102 is installed through the inside of valve cover 1, carousel 101 is installed at the top of shaft lever 102, two sets of water outlet valve ports 5 are installed at the outside of valve housing 3, inlet tube 4 is installed at the bottom of valve housing 3, non-return cavity 402 is provided inside of inlet tube 4, non-return cavity 402 internally mounted has check valve 6, check valve 6 includes installing baffle 601, installing rod 603 is installed through installing piece 602 at the top of installing baffle 601, a butterfly plate 605 is mounted on the outer side of the mounting rod 603 through a shaft, a spring 604 is mounted on the outer side of the mounting rod 603, and the spring 604 is connected with one side of the butterfly plate 605 in an abutting mode.
The working principle of the backflow-preventing fire valve based on the first embodiment is as follows: the water source enters the check cavity 402 through the water inlet pipe 4, the potential energy of the water source can drive the two sets of butterfly plates 605 to perform arc line turnover, the water source can be conveyed to the valve casing 3 through the installation baffle 601 by utilizing the turnover of the two sets of butterfly plates 605, the water source in the valve casing 3 enters the interior of the ball valve 2 through the water inlet 203, the shaft lever 102 can be driven to rotate through the rotating turntable 101, the rotating shaft lever 102 is clamped with the clamping groove end 201, the ball valve 2 rotates through the clamping groove end 201, when the ball valve 2 rotates until a set of water outlet 202 is in butt joint with a set of water outlet valve port 5, only one water outlet valve port 5 is used for water outlet, the single-port water outlet of the device is realized, when the ball valve 2 rotates until two sets of water outlet 202 are in butt joint with the two sets of water outlet valve ports 5, the two-port water outlet of the device is realized, the device can be additionally provided with a fire fighting pipe according to the fire fighting requirement, thereby improving the fire fighting range of the water source, the two sets of water outlets 202 and the water outlet valve port 5 are arranged to increase the adjustability of the device, so that the adjustment and use of single-port water outlet or double-port water outlet can be conveniently performed according to use requirements, when the ball valve 2 rotates to the state that the water outlet 202 and the water outlet valve port 5 are staggered, the water outlet valve port 5 stops water outlet, at this time, the butterfly plate 605 can be driven to perform arc rotation reset through the elastic force of the spring 604 and the backflow force of a water source, the butterfly plate 605 is blocked and limited by the mounting baffle 601, the tightness between the butterfly plate 605 and the mounting baffle 601 can be increased by utilizing the elastic force of the spring 604, the problem of water source leakage is effectively prevented, a closed isolation assembly is formed by the two sets of butterfly plates 605 and the mounting baffle 601, the water source inside the valve housing 3 is effectively blocked, the water source backflow prevention is realized, and the function of the device is increased.
Example two
As shown in fig. 2-4, the utility model provides an anti-backflow fire valve, compare in embodiment one, this embodiment still includes: the bottom end of the shaft lever 102 is clamped with the clamping groove end 201, the flowmeter 401 is installed on one side of the water inlet pipe 4, the threaded pipe 403 is installed at the bottom end of the water inlet pipe 4, the clamping disc 501 is installed at one end of the water outlet valve port 5, the clamping disc 501 is arranged on the front face, the mounting pieces 602 are installed on two sides of the top of the mounting baffle 601, and the bottom of the butterfly plate 605 is in contact connection with the top of the mounting baffle 601.
In this embodiment, can drive axostylus axostyle 102 through rotatory carousel 101 and rotate, utilize axostylus axostyle 102 and draw-in groove end 201 joint, it is rotatory that rotatory axostylus axostyle 102 passes through draw-in groove end 201 ball valve 2, but the inside water source flow of real-time supervision inlet tube 4 through flowmeter 401, the fire fighter of being convenient for looks over the fire-fighting water consumption, joint dish 501 can carry out quick joint with the fire hydrant pipe through the cardboard, thereby fire hydrant pipe installation effectiveness has been improved, installation pole 603 can firmly be fixed in the top both sides of installing baffle 601 through installed part 602, the fastness of installing pole 603 installation has been guaranteed, and can carry on spacingly to the rotational position of butterfly board 605 through installing baffle 601, make its butterfly board 605 unidirectional rotation only, thereby realize the unidirectional transport to rivers, the backflow prevention structure has been increased.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (6)
1. The utility model provides a fire control valve of anti-return, includes valve casing (3), goes out water valve port (5) and check valve (6), its characterized in that: the improved water-saving valve is characterized in that a threaded end (301) is installed at the top of the valve casing (3), the ball valve (2) is movably installed inside the valve casing (3), a clamping groove end (201) is installed at the top of the ball valve (2), the valve cover (1) is installed at the top of the valve casing (3) through the threaded end (301), a shaft lever (102) is installed inside the valve cover (1) in a penetrating mode, two water outlet valve ports (5) are installed on the outer side of the valve casing (3), a water inlet pipe (4) is installed at the bottom of the valve casing (3), a check cavity (402) is formed inside the water inlet pipe (4), a check valve (6) is installed inside the check cavity (402), the check valve (6) comprises an installation baffle (601), an installation rod (603) is installed at the top of the installation baffle (601) through an installation piece (602), and a butterfly plate (605) is installed on the outer side of the installation rod (603), and a spring (604) is arranged on the outer side of the mounting rod (603), and the spring (604) is connected with one side of the butterfly plate (605) in an abutting mode.
2. A backflow prevention fire valve as claimed in claim 1, wherein: the top end of the shaft lever (102) is provided with a turntable (101), and the bottom end of the shaft lever (102) is clamped with the clamping groove end (201).
3. A backflow prevention fire valve as claimed in claim 1, wherein: two groups of water outlets (202) are arranged on the outer side of the ball valve (2), and a water inlet (203) is arranged at the bottom of the ball valve (2).
4. A backflow prevention fire valve as claimed in claim 1, wherein: flowmeter (401) is installed to one side of inlet tube (4), and screwed pipe (403) is installed to the bottom of inlet tube (4).
5. A backflow prevention fire valve as claimed in claim 1, wherein: clamping disc (501) is installed to the one end of play water valve port (5), and clamping disc (501) openly is provided with the cardboard.
6. A backflow prevention fire valve as claimed in claim 1, wherein: the mounting pieces (602) are mounted on two sides of the top of the mounting baffle (601), and the bottom of the butterfly plate (605) is connected with the top of the mounting baffle (601) in an abutting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203245.9U CN217207888U (en) | 2021-12-20 | 2021-12-20 | Backflow-preventing fire valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123203245.9U CN217207888U (en) | 2021-12-20 | 2021-12-20 | Backflow-preventing fire valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217207888U true CN217207888U (en) | 2022-08-16 |
Family
ID=82784900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123203245.9U Active CN217207888U (en) | 2021-12-20 | 2021-12-20 | Backflow-preventing fire valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217207888U (en) |
-
2021
- 2021-12-20 CN CN202123203245.9U patent/CN217207888U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231025 Address after: 201500, Zone A, Building 5, 1st Floor, No. 278 Linsheng Road, Tinglin Town, Jinshan District, Shanghai Patentee after: Pulian power fluid control (Shanghai) Co.,Ltd. Address before: 253000 Zhenghao Road, Shizhuang Development Zone, Luquantun Town, Wucheng County, Dezhou City, Shandong Province Patentee before: Shandong Renxing ventilation equipment Co.,Ltd. |
|
| TR01 | Transfer of patent right |