CN114278803B - Self-discharging antifreezing fire hose reel device - Google Patents
Self-discharging antifreezing fire hose reel device Download PDFInfo
- Publication number
- CN114278803B CN114278803B CN202210001356.1A CN202210001356A CN114278803B CN 114278803 B CN114278803 B CN 114278803B CN 202210001356 A CN202210001356 A CN 202210001356A CN 114278803 B CN114278803 B CN 114278803B
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- shell
- fire hose
- ports
- self
- rotating disc
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- 238000007599 discharging Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000002265 prevention Effects 0.000 claims description 16
- 238000013022 venting Methods 0.000 claims description 7
- 208000027418 Wounds and injury Diseases 0.000 claims description 4
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 208000001034 Frostbite Diseases 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000151 anti-reflux effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a self-discharging antifreezing fire hose reel device, which belongs to the technical field of fire control, and comprises a reel, a fire hose, a self-discharging mechanism, a stop valve and a piston, wherein the fire hose, the self-discharging mechanism, the stop valve and the piston are wound on the reel, during fire extinguishment, a fire hose is connected with the fire hose through the self-discharging mechanism and the stop valve, and the water is supplied to the fire hose during fire extinguishment through channel conversion in the self-discharging mechanism and the matching of the piston and a switch of each channel of the self-discharging mechanism, so that water in the fire hose is drained after the fire extinguishment is completed, and frost cracking of the fire hose is effectively prevented.
Description
Technical Field
The invention relates to a self-discharging antifreezing fire hose reel device, and belongs to the technical field of fire protection.
Background
In winter in north, the water which can not be discharged and remains in the fire-fighting equipment can freeze into ice, the fire-fighting equipment can lose effect due to frequent frostbite, and in order to solve the problems, a water draining system is conventionally additionally arranged for the fire-fighting equipment, and a valve well, a stop valve, a water draining valve, a bent pipe, a pipeline and the like are required to be arranged for the system, so that the cost of enterprises is increased, the system pipe network is conventionally kept in an anhydrous and pressureless state at ordinary times, and thus, once a fire condition occurs, water supply boosting can take a long time, fire fighters are wasted, and the unexplained potential safety hazard exists.
Disclosure of Invention
The invention aims to provide a self-discharging antifreezing fire hose reel device which is used for evacuating residual water in a fire hose and avoiding the frost cracking of the hose.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The self-discharging antifreezing fire hose reel device comprises a reel, a fire hose wound on the reel, a self-discharging mechanism, a stop valve and a piston;
The self-discharging mechanism comprises a shell and a rotating disc rotatably arranged in the shell, the cylindrical surface of the rotating disc is sealed with the inner wall of the shell, four ports are formed in the same section of the shell at the same interval and at the same angle theta, a water inlet, a first water outlet, a suction port and a second water outlet are sequentially formed in the same section of the rotating disc according to the clockwise direction, a tee joint is arranged on the rotating disc, the three ports of the tee joint and the four ports of the shell are formed in the same section and at the same interval and at the same angle theta, the ports A, the ports B and the ports C are sequentially formed in the clockwise direction, backflow prevention mechanisms are respectively arranged in channels of the ports A, the ports B and the ports B, and the ports C, the backflow prevention mechanisms comprise backflow prevention plates, arc ejector rods and pressure springs, the pressure springs are arranged in arc holes in the rotating disc, the arc radius of the arc ejector rods is the same as that of the arc holes, and the arc ejector rods are provided with a section of arc holes, and the pressure springs are pressed on the backflow prevention plates to enable the backflow prevention plates to close the channels;
The piston comprises a piston sleeve and a piston rod, the piston sleeve is arranged on the shell, and the bottom of the piston sleeve is communicated with the suction port on the shell;
the water inlet is connected with the fire water pipe;
the first water outlet is connected with the inlet of the stop valve, and the fire hose is connected with the outlet of the stop valve.
Further, the angle θ is preferably 90 °.
Further, a pointer is arranged on the end face of the rotating disc, two mark lines of water inlet and water outlet are arranged on the end face of the shell, when the pointer points to the water inlet mark line, the port B on the rotating disc is opposite to the water inlet on the shell, and when the pointer points to the water outlet mark line, the port B on the rotating disc is opposite to the suction port on the shell.
When fire is extinguished, the fire hose is taken down from the reel, the rotary disk rotates, the port B on the rotary disk is opposite to the water inlet on the shell, the port C on the rotary disk is opposite to the first water outlet of the shell due to the same angle theta at intervals, the stop valve is opened, the port B is opened to the backflow prevention plate in the port C channel under the action of water pressure, fire water flows through the water inlet pipe, the port B and the port C, the first water outlet and the stop valve enter the fire hose for extinguishing fire, and water flow at the port B cannot enter the port A due to the existence of the backflow prevention plate in the port A to the port B; after fire extinguishing, the fire hose is wound back onto the reel, the rotating disc is rotated clockwise, the opening B on the rotating disc is opposite to the suction opening on the shell, the opening A on the rotating disc is opposite to the first water outlet on the shell, the opening C on the rotating disc is opposite to the second water outlet on the shell, the water inlet on the shell is closed by the rotating disc, the piston rod is pushed and pulled, negative pressure is generated when the piston rod is pulled outwards, the opening A is opened to the backflow preventing plate in the opening B, the opening B is closed to the backflow preventing plate in the opening C, water in the piston sleeve is opened to the backflow preventing plate in the opening C when the piston rod is pushed and pulled, and the water in the piston sleeve is discharged through the opening C and the second water outlet of the shell, and is circulated to push and pull the piston rod until the water in the fire hose is completely discharged, so that the fire hose is prevented from being frozen and cracked.
Compared with the prior art, the self-discharging antifreezing fire hose reel device comprises a reel, a fire hose wound on the reel, a self-discharging mechanism, a stop valve and a piston, wherein during fire extinguishment, the fire hose is connected with the fire hose through the self-discharging mechanism and the stop valve, and water is supplied to the fire hose during fire extinguishment through channel conversion in the self-discharging mechanism and the cooperation of the piston and a switch of each channel of the self-discharging mechanism, so that water in the fire hose is drained after fire extinguishment is completed, and frost cracking of the fire hose is effectively prevented.
Drawings
FIG. 1 is a block diagram of a self-venting antifreeze fire hose reel apparatus of the present invention.
Fig. 2 is a view of the self-venting mechanism of fig. 1 assembled with a piston.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a cross-sectional view taken along line A-A of fig. 2.
Fig. 5 is a cross-sectional view taken along line B-B of fig. 3.
Fig. 6 is a view of the rotatable disk rotated 180 degrees clockwise in the drawing.
In the figure: 1. a reel; 2. a fire hose; 3. a stop valve; 4. a self-discharging mechanism; 5. a fire hose; 6. a piston; 11. a housing; 12. a baffle ring; 13. a rotating disc; 14. a piston sleeve; 15. a piston rod; 16. a handle; 21. a water inlet; 22. a first water outlet; 23. a suction port; 24. a second water outlet; 31. a port A; 32. a backflow prevention plate I; 33. a port B; 34. arc ejector rod I; 35. a pressure spring I; 36. a C port; 37. a backflow prevention plate II; 38. arc ejector rod II; 39. and a compression spring II.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Fig. 1 to 6 show a self-venting antifreezing fire hose reel device according to the invention, comprising a reel 1 and a fire hose 2 wound on the reel 1, and further comprising a self-venting mechanism 4, a shut-off valve 3 and a piston 6.
The self-discharging mechanism 4 comprises a shell 11 and a rotating disc 13 rotatably arranged in the shell 11, a cylindrical surface of the rotating disc 13 is sealed with the inner wall of the shell 11, a baffle ring 12 is arranged on the end surface of the shell 11 to prevent the rotating disc 13 from falling out of the shell 11, four ports are formed in the same section of the shell 11 at intervals of 90 degrees, a water inlet 21, a first water outlet 22, a suction port 23 and a second water outlet 24 are sequentially formed in the same section of the rotating disc 13 in a clockwise direction, three ports of the three ports are arranged on the same section of the rotating disc 13 and the four ports of the shell 11 at intervals of 90 degrees, a port 31, a port 33, a port 36 are sequentially formed in channels of the opening of the A port 31, the opening of the B port 33 and the opening of the B port 33, and the opening of the C port 36 are respectively provided with a backflow preventing mechanism, the backflow preventing mechanism in the passage of the opening A31 to the opening B33 comprises a backflow preventing plate I32, an arc ejector rod I34, a pressure spring I35, and the backflow preventing mechanism in the passage of the opening B33 to the opening C36 comprises a backflow preventing plate II 37, an arc ejector rod II 38 and a pressure spring II 39, wherein the pressure spring I35 and the pressure spring II 39 are arranged in respective arc holes on a rotating disc, the arc radius of the arc ejector rod I34 is the same as that of the arc hole in which the pressure spring I35 is positioned, the arc radius of the arc ejector rod II 38 is the same as that of the arc hole in which the pressure spring II 39 is positioned, and the arc ejector rod I34 is provided with a section of arc hole inserted into the pressure spring I35 and is propped against the backflow preventing plate I32 by the pressure spring I35 so that the backflow preventing plate I32 closes the passage of the opening A31 to the opening B33; the arc ejector rod II 38 is provided with an arc hole which is inserted into the compression spring II 39 and is pressed against the backflow prevention plate II 37 by the compression spring II 39, so that the backflow prevention plate II 37 closes the passage from the B port 33 to the C port 36.
The piston 6 comprises a piston sleeve 14 and a piston rod 15, the piston sleeve 14 being mounted on the housing 11 and communicating at the bottom with a suction opening 23 in the housing 11.
The water inlet 21 is connected with the fire-fighting water pipe 5, and the fire-fighting water pipe 5 is wrapped with heat insulation materials to avoid freezing.
A handle 16 is mounted to the outer end of the rotary disk 13 for rotation of the rotary disk 13.
The first water outlet 22 is connected with the inlet of the stop valve 3, and the fire hose 2 is connected with the outlet of the stop valve 3.
The end face of the rotating disc 13 is provided with a pointer, the end face of the baffle ring 12 is provided with two mark lines of water inflow and water drainage, when the pointer points to the mark line of water inflow, the port B33 on the rotating disc 13 is opposite to the water inlet 21 on the shell 11, the stop valve 3 is opened at the moment, under the action of water pressure, the port B33 is led to the anti-reflux plate II 37 in the port C36 channel to overcome the action of the pressure spring II 39, the water in the fire hose 5 enters the fire hose 2 for fire extinguishment, and the water flow at the port B33 cannot enter the port A31 due to the existence of the anti-reflux plate I32 in the channel of the port A31 leading to the port B33; after the fire extinguishing is completed, the rotating disc 13 is rotated through the handle 16 until the pointer points to the drainage marking line, at this time, the port B33 on the rotating disc 13 is opposite to the suction port 23 on the shell 11, the port A31 on the rotating disc 13 is opposite to the first water outlet 22 on the shell 11, the port C36 on the rotating disc 13 is opposite to the second water outlet 24 on the shell 11, the water inlet 21 on the shell 11 is closed by the rotating disc 13, at this time, negative pressure is generated in the channels of the piston sleeve 14 and the port B33 leading to the port C36 when the piston rod 15 is pulled outwards, the backflow preventing plate I32 in the channel of the port A31 leading to the port B33 is opened due to external negative pressure, the backflow preventing plate in the channel of the port B33 is closed, water in the fire hose 2 is sucked into the piston sleeve, then positive pressure is generated when the piston rod 15 is pushed, the port A31 leading to the backflow preventing plate I32 in the channel of the port B33 is closed, the backflow preventing plate II 37 in the channel of the port C36 is opened under the pressure, and the water in the piston sleeve 14 is discharged through the second water outlet 24 of the piston sleeve 36 and the shell 11 when the piston rod 15 is pulled outwards, and the fire hose 2 can be completely discharged from the fire hose 2.
Claims (4)
1. The utility model provides a from letting out fire hose reel device that prevents frostbite which characterized in that: the fire hose comprises a reel, a fire hose wound on the reel, a self-discharging mechanism, a stop valve and a piston;
The self-discharging mechanism comprises a shell and a rotating disc rotatably arranged in the shell, the cylindrical surface of the rotating disc is sealed with the inner wall of the shell, four ports are formed in the same section of the shell at the same interval and at the same angle theta, a water inlet, a first water outlet, a suction port and a second water outlet are sequentially formed in the same section of the rotating disc according to the clockwise direction, a tee joint is arranged on the rotating disc, the three ports of the tee joint and the four ports of the shell are formed in the same section and at the same interval and at the same angle theta, the ports A, the ports B and the ports C are sequentially formed in the clockwise direction, backflow prevention mechanisms are respectively arranged in channels of the ports A, the ports B and the ports B, and the ports C, the backflow prevention mechanisms comprise backflow prevention plates, arc ejector rods and pressure springs, the pressure springs are arranged in arc holes in the rotating disc, the arc radius of the arc ejector rods is the same as that of the arc holes, and the arc ejector rods are provided with a section of arc holes, and the pressure springs are pressed on the backflow prevention plates to enable the backflow prevention plates to close the channels;
The piston comprises a piston sleeve and a piston rod, the piston sleeve is arranged on the shell, and the bottom of the piston sleeve is communicated with the suction port on the shell;
the water inlet is connected with the fire water pipe;
the first water outlet is connected with the inlet of the stop valve, and the fire hose is connected with the outlet of the stop valve.
2. The self-venting antifreeze fire hose reel apparatus of claim 1, wherein: the angle θ is 90 °.
3. The self-venting antifreeze fire hose reel apparatus of claim 1 or 2, wherein: the end face of the rotating disc is provided with a pointer, the end face of the shell is provided with two water inlet and water outlet marking lines, when the pointer points to the water inlet marking line, the opening B on the rotating disc is opposite to the water inlet on the shell, and when the pointer points to the water outlet marking line, the opening B on the rotating disc is opposite to the suction port on the shell.
4. The self-venting antifreeze fire hose reel apparatus of claim 3, wherein: the handle is installed to the outer end of rolling disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001356.1A CN114278803B (en) | 2022-01-04 | 2022-01-04 | Self-discharging antifreezing fire hose reel device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001356.1A CN114278803B (en) | 2022-01-04 | 2022-01-04 | Self-discharging antifreezing fire hose reel device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114278803A CN114278803A (en) | 2022-04-05 |
| CN114278803B true CN114278803B (en) | 2024-06-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210001356.1A Active CN114278803B (en) | 2022-01-04 | 2022-01-04 | Self-discharging antifreezing fire hose reel device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114278803B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203222847U (en) * | 2013-03-15 | 2013-10-02 | 马久玉 | Anti-freezing valve |
| CN109200352A (en) * | 2018-08-27 | 2019-01-15 | 李健 | Respiratory Medicine phlegm liquit collector |
| CN110559587A (en) * | 2019-09-19 | 2019-12-13 | 江苏泰华消防电气设备有限公司 | From letting out fire control hose reel that prevents frostbite |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045619A (en) * | 1989-03-14 | 1990-09-26 | 徐立 | Automatic backwater valve |
| CN2088183U (en) * | 1991-01-14 | 1991-11-06 | 倪子林 | Frost valve of tap water |
| CN2136909Y (en) * | 1992-03-11 | 1993-06-23 | 康玉珂 | Frost valve |
| CN101566399A (en) * | 2009-04-03 | 2009-10-28 | 李明知 | Water-saving anti-freezing apparatus for solar heater pipe |
| CN201696668U (en) * | 2010-06-02 | 2011-01-05 | 佛山市日丰企业有限公司 | Frost valve for water heater |
| CN208973789U (en) * | 2018-06-01 | 2019-06-14 | 卓栋 | Double set reciprocating anti-return impregnators |
-
2022
- 2022-01-04 CN CN202210001356.1A patent/CN114278803B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203222847U (en) * | 2013-03-15 | 2013-10-02 | 马久玉 | Anti-freezing valve |
| CN109200352A (en) * | 2018-08-27 | 2019-01-15 | 李健 | Respiratory Medicine phlegm liquit collector |
| CN110559587A (en) * | 2019-09-19 | 2019-12-13 | 江苏泰华消防电气设备有限公司 | From letting out fire control hose reel that prevents frostbite |
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| Publication number | Publication date |
|---|---|
| CN114278803A (en) | 2022-04-05 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 650501 China (Yunnan) pilot Free Trade Zone, Kunming City, Yunnan Province Applicant after: China National Inspection and testing Holding Group Yunnan Co.,Ltd. Address before: 650501 China (Yunnan) pilot Free Trade Zone, Kunming City, Yunnan Province Applicant before: China building materials inspection and Certification Group Yunnan Hexin Co.,Ltd. |
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| GR01 | Patent grant | ||
| OL01 | Intention to license declared |