CN215691279U - Indoor fire hydrant of decompression steady voltage - Google Patents
Indoor fire hydrant of decompression steady voltage Download PDFInfo
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- CN215691279U CN215691279U CN202120455907.2U CN202120455907U CN215691279U CN 215691279 U CN215691279 U CN 215691279U CN 202120455907 U CN202120455907 U CN 202120455907U CN 215691279 U CN215691279 U CN 215691279U
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- valve
- orifice plate
- water
- valve body
- outlet pipe
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Abstract
The utility model discloses a pressure-reducing and pressure-stabilizing indoor fire hydrant, which comprises a valve body, a valve rod, a valve cover and a water outlet pipe, wherein the bottom of the valve body is provided with a water inlet pipe, the top of the water inlet pipe is provided with a valve seat in the valve body, one side of the valve body is provided with the water outlet pipe, the periphery of the middle part of the valve body is provided with a water outlet cavity, water used in the valve body enters the water outlet pipe through the water outlet cavity, a movable orifice plate is arranged in the water outlet pipe and propped against the valve body, the other end in the water outlet pipe is fixedly provided with a fixed orifice plate, a spring is sleeved on the periphery between the movable orifice plate and the fixed orifice plate and used for pressing the movable orifice plate to compress the spring towards one end of the fixed orifice plate under the action of water pressure, the middle parts of the movable orifice plate and the fixed orifice plate are both provided with water passing holes, and the end part of the water outlet pipe is provided with an inner buckling type interface used for connecting a fire hose; according to the utility model, when the water pressure reaches the movable orifice plate by adopting the movable orifice plate to match with the spring, the water pressure is relieved through the spring, and the spring is slowly reset to realize pressure reduction and pressure stabilization on water, so that the fire hose is easier and more stable to operate, and a better rescue effect is achieved.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to a pressure-reducing and pressure-stabilizing indoor fire hydrant.
Background
At present, an indoor fire hydrant is fire-fighting equipment which needs to be configured, and the indoor fire hydrant is matched with a fire hose to supply water for fire extinguishing, so that the rescue efficiency and the rescue effect are directly influenced by the quality of the indoor fire hydrant. The existing indoor fire hydrant is designed in a fixed mode, a common straight-through valve is modified into a right-angle valve, an interface of a fire hose is added, and hydraulic pressure reduction and pressure stabilization operation cannot be carried out. Generally, most idle time of the existing fire fighting pipelines is far more than the service time, air exists in the fire fighting pipelines when the pipeline is idle, water pressure at a water outlet is unstable when the pipeline is used, a fire fighting hose swings, the use and operation are troublesome, and rescue is influenced. Therefore, it is necessary to design an indoor fire hydrant capable of reducing and stabilizing pressure to solve the problem that rescue is affected by the fact that the existing indoor fire hydrant cannot reduce and stabilize pressure.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide an indoor fire hydrant capable of reducing and stabilizing pressure.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a pressure-reducing and pressure-stabilizing indoor fire hydrant comprises a valve body, a valve rod, a valve cover and a water outlet pipe, wherein a water inlet pipe is arranged at the bottom of the valve body, a valve seat is arranged at the top of the water inlet pipe and in the valve body, a valve clack is in contact connection with the upper portion of the valve seat when the valve is closed and is used for controlling water inlet in the valve body in a matching mode of the valve clack and the valve seat, the valve clack is arranged at the bottom of the valve rod through a clamping ring, a valve rod nut is connected to the middle portion of the valve rod through a screw, the valve rod nut is fixed on the valve cover, the valve cover is fixed on the valve body through a locking screw, and the top of the valve rod penetrates out of the valve cover;
the outlet pipe is installed to valve body one side, valve body middle part periphery is equipped with out the water cavity, a water for in the valve body gets into the outlet pipe through going out the water cavity, go out in the water pipe and push up and establish on the valve body and be equipped with movable orifice plate, go out intraductal other end fixed mounting of water and have a fixed orifice plate, the periphery cover is equipped with the spring between movable orifice plate and the fixed orifice plate, a movable orifice plate is moved to fixed orifice plate one end compression spring in being used for water pressure top, movable orifice plate and fixed orifice plate middle part all are equipped with the water hole, and the outlet pipe tip installs interior knot formula interface, be used for connecting the fire hose.
Specifically, a hand wheel is installed on the top of the valve rod through a bolt, and a nameplate is arranged between the bolt and the hand wheel.
Specifically, a valve cover sealing gasket is arranged between the valve cover and the valve body.
Specifically, a valve rod sealing element is arranged between the upper part of the valve rod and the valve cover.
Specifically, the valve rod sealing element adopts two O-shaped sealing rings which are arranged in parallel from top to bottom.
The utility model has the following beneficial effects:
the indoor fire hydrant for pressure reduction and stabilization designed by the utility model adopts the movable orifice plate to match with the spring, so that when the water pressure reaches the movable orifice plate, the water pressure is relieved through the spring, the spring is slowly reset to realize the pressure reduction and stabilization of water, no matter the inlet pressure is different, the pressure in a pipe network fluctuates and changes, the outlet pressure can be reduced and stabilized on the use pressure value, the fire hose can be operated more easily and stably, and a better rescue effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of an indoor fire hydrant for pressure reduction and pressure stabilization.
Fig. 2 is a cross-sectional view of a removable orifice plate.
Fig. 3 is a front view of a removable orifice plate.
FIG. 4 is a cross-sectional view of a fixed orifice plate.
Fig. 5 is a front view of a fixed orifice plate.
In the figure: 1-a valve body; 2-valve seat; 3-valve clack; 4-a snap ring; 5-valve stem; 6-locking screw; 7-valve stem nut; 8-valve cover sealing gasket; 9-valve cover; 10-valve stem seal; 11-a hand wheel; 12-a nameplate; 13-a bolt; 14-a movable orifice plate; 15-a spring; 16-fixed orifice plate; 17-inner snap type interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. 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.
As shown in fig. 1-5, an indoor fire hydrant of decompression steady voltage, including valve body 1, valve rod 5, valve gap 9 and outlet pipe, valve body 1 bottom is equipped with the inlet tube, the inlet tube top just installs disk seat 2 in valve body 1, contact connection has valve clack 3 when closing the valve above the disk seat 3, be used for valve clack 3 and disk seat 2 cooperation control valve body 1 in advance, the circulation and the cutout of water are realized with the closure of separation and the realization of valve clack 3 and disk seat 2, realize opening the valve promptly and close the valve, valve clack 3 installs the bottom at valve rod 5 through snap ring 4, the silk has valve rod nut 7 in the middle part of the valve rod 5, valve rod nut 7 fixes on valve gap 9, valve gap 9 passes through locking screw 6 to be fixed on valve body 1, install valve gap sealed pad 8 between valve gap 9 and the valve body 1.
The top of the valve rod 5 penetrates through the valve cover 9, the top of the valve rod 5 is provided with a hand wheel 11 through a bolt 13, and a nameplate 12 is arranged between the bolt 13 and the hand wheel 11. Install valve rod sealing member 10 between valve rod 5 upper portion and the valve gap 9, two upper and lower parallel arrangement's two O type sealing washers are adopted to valve rod sealing member 10 for between sealed valve rod 5 and the valve gap 9, prevent that water from flowing out along valve rod 5.
The outlet pipe is installed to 1 one side of valve body, 1 middle part periphery of valve body is equipped with out the water cavity, a water that is arranged in the valve body 1 gets into the outlet pipe through going out the water cavity, go out in the water pipe and push up and establish and be equipped with movable orifice plate 14 on valve body 1, another end fixed mounting has fixed orifice plate 16 in the outlet pipe, the periphery cover is equipped with spring 15 between movable orifice plate 14 and the fixed orifice plate 16, a water pressure pushes up movable orifice plate 14 and to fixed orifice plate 16 one end compression spring 15, movable orifice plate 14 and fixed orifice plate 16 middle part all are equipped with the water hole, a water gets into the fire hose through crossing the water hole, and go out the water pipe tip and install interior knot formula interface, a fire hose is connected.
The working principle of the utility model is as follows: when the fire hydrant pressure reducing and stabilizing device is started, the hand wheel 11 is rotated anticlockwise, the valve clack 3 is opened, and pressure water flows out of the water outlet after passing through a flow-stopping opening of the pressure reducing and stabilizing device from the fire hydrant inlet; when the pressure exceeds 0.5MPa, the axial acting force of the water pressure of the outflow outlet on the end surface of the spring seat pushes the fire hydrant to move, and the spring 15 is compressed to generate elastic force until the water pressure is reduced to generate the effects of pressure reduction and pressure stabilization.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (2)
1. The indoor fire hydrant is characterized by comprising a valve body, a valve rod, a valve cover and a water outlet pipe, wherein the bottom of the valve body is provided with a water inlet pipe, the top of the water inlet pipe is provided with a valve seat in the valve body, a valve clack is in contact connection with the upper part of the valve seat when the valve is closed, the valve clack is used for controlling water inlet in the valve body in a matching way with the valve seat, the valve clack is arranged at the bottom of the valve rod through a clamping ring, the middle part of the valve rod is connected with a valve rod nut, the valve rod nut is fixed on the valve cover, the valve cover is fixed on the valve body through a locking screw, the top of the valve rod penetrates out of the valve cover, a valve cover sealing gasket is arranged between the valve cover and the valve body, a valve rod sealing element is arranged between the upper part of the valve rod and the valve cover, and the valve rod sealing element adopts two O-shaped sealing rings which are arranged in parallel from top to bottom;
the outlet pipe is installed to valve body one side, valve body middle part periphery is equipped with out the water cavity, a water for in the valve body gets into the outlet pipe through going out the water cavity, go out in the water pipe and push up and establish on the valve body and be equipped with movable orifice plate, go out intraductal other end fixed mounting of water and have a fixed orifice plate, the periphery cover is equipped with the spring between movable orifice plate and the fixed orifice plate, a movable orifice plate is moved to fixed orifice plate one end compression spring in being used for water pressure top, movable orifice plate and fixed orifice plate middle part all are equipped with the water hole, and the outlet pipe tip installs interior knot formula interface, be used for connecting the fire hose.
2. The indoor fire hydrant according to claim 1, wherein a hand wheel is installed on the top of the valve rod through a bolt, and a nameplate is arranged between the bolt and the hand wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120455907.2U CN215691279U (en) | 2021-03-03 | 2021-03-03 | Indoor fire hydrant of decompression steady voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120455907.2U CN215691279U (en) | 2021-03-03 | 2021-03-03 | Indoor fire hydrant of decompression steady voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215691279U true CN215691279U (en) | 2022-02-01 |
Family
ID=80012724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120455907.2U Active CN215691279U (en) | 2021-03-03 | 2021-03-03 | Indoor fire hydrant of decompression steady voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215691279U (en) |
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2021
- 2021-03-03 CN CN202120455907.2U patent/CN215691279U/en active Active
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