CN216428425U - Self-drainage type fire hydrant structure and fire-fighting well comprising same - Google Patents
Self-drainage type fire hydrant structure and fire-fighting well comprising same Download PDFInfo
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- CN216428425U CN216428425U CN202120504562.5U CN202120504562U CN216428425U CN 216428425 U CN216428425 U CN 216428425U CN 202120504562 U CN202120504562 U CN 202120504562U CN 216428425 U CN216428425 U CN 216428425U
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Abstract
The utility model relates to a self-draining type fire hydrant structure which comprises a water outlet vertical pipe and a side water outlet connector arranged on the side part of the water outlet vertical pipe, wherein the top of the water outlet vertical pipe is provided with a one-way air inlet valve, the bottom of the water outlet vertical pipe or a transverse water conveying pipeline connected with the water outlet vertical pipe is provided with a water outlet switch, the bottom of the water outlet vertical pipe is provided with a transverse water drainage pipe, the other end of the transverse water drainage pipe is upwards connected with a vertical water drainage pipe, and the outlet end of the vertical water drainage pipe is connected with a drainage mechanism. When the fire hydrant does not work, the water outlet switch is closed, the drainage mechanism is started, the one-way air inlet valve at the top of the water outlet vertical pipe starts to admit air, accumulated water in the water outlet vertical pipe can be drained in time, and the water outlet vertical pipe is prevented from being frozen. The utility model also provides a fire-fighting well comprising the self-draining fire hydrant structure.
Description
Technical Field
The utility model relates to the technical field of fire fighting, in particular to a self-drainage fire hydrant structure and a fire well comprising the same.
Background
The northern weather is cold, a large number of fire hydrants are equipped in large-scale oil refineries and large-scale industrial and mining enterprises, the water outlet vertical pipe of the fire hydrant has residual water after being used, and the existence of the residual water can cause the water outlet vertical pipe of the fire hydrant to be frozen out.
The normal use of the fire hydrant can be influenced after the water outlet vertical pipe is frozen out.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a drainage mechanism of a fire-fighting well, which can drain residual water in a water outlet vertical pipe in time after a fire hydrant is used, so that the fire hydrant is prevented from being frozen.
The utility model provides a from drainage formula fire hydrant structure, includes the outlet stem and sets up in the side water outlet interface of outlet stem lateral part, and the top of outlet stem is provided with one-way admission valve, is provided with the water outlet switch on the bottom of outlet stem or the horizontal conduit who is connected with the outlet stem, and the bottom of outlet stem is provided with horizontal drain pipe, and the other end of horizontal drain pipe upwards is connected with vertical drain pipe, and drainage mechanism is connected to the exit end of vertical drain pipe.
Preferably, a check valve is provided at the middle of the lateral drain pipe.
Preferably, a dregs filter screen is arranged at the inlet of the transverse drain pipe.
Preferably, the water outlet switch is an electromagnetic switch, and when the drainage mechanism drains water, the electromagnetic switch is controlled by an electromagnetic signal to close the water outlet switch; the drainage mechanism is controlled by an electromagnetic signal, and the water outlet vertical pipe is controlled by an electromagnetic signal; after the water outlet vertical pipe closes the fire-fighting water outlet, the water outlet switch is closed, and the drainage mechanism starts to drain water.
Preferably, the bottom of the water outlet vertical pipe is provided with a pressure sensor, and the pressure sensor and the transverse drain pipe are arranged at the position flush with each other in the horizontal direction.
Preferably, a drainage connecting pipe is arranged on the side part of the water outlet vertical pipe and is used for connecting an air pump, a liquid nitrogen tank or a hot air pipe; the hot air pipe generates hot air when the drainage mechanism drains water, so that water in the water outlet vertical pipe is prevented from freezing.
Preferably, the drainage mechanism comprises a main cavity body, a crank, a gear driving mechanism and fan blades, and the bottom of the main cavity body is provided with a water suction pipe interface; the water suction pipe interface is connected with a vertical water drainage pipe;
the side part or the upper part of the main cavity body is provided with a water outlet pipe interface, and the periphery of the main cavity body is provided with a supporting structure;
the crank drives the fan blades to rotate through the gear driving mechanism, the fan blades form negative pressure on one side of the water suction pipe connector, and the fan blades form positive pressure on one side of the water outlet pipe connector.
Preferably, the gear driving mechanism comprises a first driving shaft, a main driving gearwheel and a driven pinion;
the eccentric wheel comprises a rear supporting rod, a main rotary table and a front supporting rod which are fixedly connected, and the middle part of the main rotary table is provided with a fan blade through groove;
the fan blade comprises two blade plates which are connected in the same direction, and the two blade plates are connected through an elastic structure; the fan blade passes through the fan blade passing groove;
the rear end cover is fixed at the rear part of the main cavity body, the rear supporting rod is rotatably supported on the rear end cover, the front supporting rod is rotatably supported on the front bracket, and the front bracket is arranged at the front part of the main cavity body;
the first driving shaft is arranged on one side of the front support, and the main driving gearwheel is sleeved on the first driving shaft; the driven small gear is sleeved on the front supporting rod, and the main driving large gear is meshed with the driven small gear.
Preferably, the crank is disposed on the first drive shaft;
the crank drives the first driving shaft to rotate, the first driving shaft drives the main driving gearwheel to rotate, and the main driving gearwheel drives the driven pinion to rotate; the driven pinion drives the main turntable to rotate through the front supporting rod; the main turntable drives the fan blades to rotate; during the rotation process of the main turntable;
the main turntable generates eccentric rotation relative to the main cavity by taking the first driving shaft as a shaft, and the distance between the two ends of the two blade plates on the two sides and the inner wall of the main cavity is 1-20 mm;
the fan blades and the main rotating disc form negative pressure on one side of the water suction pipe connector and positive pressure on one side of the water outlet pipe connector under the action of the fan blades and the main rotating disc.
A fire-fighting well comprises the self-drainage fire hydrant structure.
The utility model has the beneficial effects that: the utility model provides a from drainage formula fire hydrant structure, includes the outlet stem and sets up in the side water outlet interface of outlet stem lateral part, and the top of outlet stem is provided with one-way admission valve, is provided with the water outlet switch on the bottom of outlet stem or the horizontal conduit who is connected with the outlet stem, and the bottom of outlet stem is provided with horizontal drain pipe, and the other end of horizontal drain pipe upwards is connected with vertical drain pipe, and drainage mechanism is connected to the exit end of vertical drain pipe. When the fire hydrant does not work, the water outlet switch is closed, the drainage mechanism is started, the one-way air inlet valve at the top of the water outlet vertical pipe starts to admit air, accumulated water in the water outlet vertical pipe can be drained in time, and the water outlet vertical pipe is prevented from being frozen. The utility model also provides a fire-fighting well comprising the self-draining fire hydrant structure.
Drawings
The drainage mechanism of the fire-fighting well of the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of a fire shaft incorporating a self-draining hydrant structure according to the present invention.
Fig. 2 is a schematic view of a fire shaft removal well incorporating a self-draining hydrant structure according to the present invention.
Fig. 3 is an exploded view of a drainage structure of the self-draining hydrant structure according to the present invention.
Fig. 4 is a schematic structural view of the eccentric wheel of the drainage structure of the self-drainage type fire hydrant structure according to the present invention.
Fig. 5 is a structural view illustrating a front bracket of a drainage structure of a self-drainage type hydrant structure according to the present invention.
In the figure:
1-a water outlet vertical pipe; 11-side water outlet interface; 12-one-way inlet valve; 13-a water drainage connecting pipe; 2-water outlet switch; 3-a transverse drain pipe; 4-vertical drain pipes; 5-a drainage mechanism; 51-a main cavity; 511-water suction pipe interface; 512-outlet pipe interface; 513-a support structure; 52-a crank; 53-gear drive mechanism; 531-main drive gearwheel; 532-passive pinion; 533-a first drive shaft; 54-fan blades; 541-a blade plate; 55-eccentric wheel; 551-rear support bar; 552-a main turntable; 5521-passing through slots; 553-a front strut; 56-rear end cap; 57-front support; 6-check valve; 7-filtering dregs through a filter screen; 8-a pressure sensor; 00-automatic water filling valve; 01-well body.
Detailed Description
The drainage mechanism of the fire-fighting well is further described with reference to the attached drawings 1-5.
The utility model provides a from drainage formula fire hydrant structure, include outlet riser 1 and set up in the side interface 11 that goes out of outlet riser 1 lateral part, the top of outlet riser 1 is provided with one-way admission valve 12, be provided with out water switch 2 on the bottom of outlet riser 1 or the horizontal conduit who is connected with outlet riser 1, the bottom of outlet riser 1 is provided with horizontal drain pipe 3, the other end of horizontal drain pipe 3 upwards is connected with vertical drain pipe 4, drainage mechanism 5 is connected to the exit end of vertical drain pipe 4.
In this embodiment, a check valve 6 is provided in the middle of the lateral drain pipe 3.
After the fire hydrant is used up, accumulated water in the water outlet vertical pipe 1 is discharged through the drainage mechanism 5, and residual water in the water outlet vertical pipe 1 is avoided, so that the phenomenon of frost damage of the water outlet vertical pipe 1 is avoided, and the safety of the fire hydrant is ensured.
In this embodiment, a dregs filter 7 is provided at the inlet of the horizontal drain pipe 3. When the fire hydrant has corrosive impurities, the filtering is carried out through a dreg filtering net 7.
In the embodiment, the water outlet switch 2 is an electromagnetic switch, and when the drainage mechanism 5 drains water, the electromagnetic switch is controlled by an electromagnetic signal to close the water outlet switch 2; the drainage mechanism 5 is controlled by an electromagnetic signal, and the water outlet vertical pipe 1 is controlled by an electromagnetic signal; after the water outlet vertical pipe 1 closes the fire-fighting water outlet, the water outlet switch 2 is closed, and the drainage mechanism 5 starts drainage.
The water outlet switch 2 may be set to a normally open mode, and an automatic water filling valve 00 is provided at the upper part thereof, so that pressurized water filling is started when the fire hydrant of the water outlet stand pipe 1 is turned on.
Through electromagnetic signals, active self-drainage is realized, after the fire hydrant stops being used, the water outlet switch 2 is actively closed, the drainage mechanism 5 is started to drain water, and the residual water in the water outlet vertical pipe 1 is prevented from freezing and freezing.
In this embodiment, the bottom of the vertical water outlet pipe 1 is provided with a pressure sensor 8, and the pressure sensor 8 and the horizontal water discharge pipe 3 are arranged at the level position in the horizontal direction. With this design we ensure that the drainage of the drainage mechanism 5 reaches a level with the lateral drainage pipe 3.
In another case, we can also set up pressure sensor 8 in one side of going out before water switch 2 goes out the water to the pressure in the convenient detection pipeline, the fire control remote monitoring of being convenient for.
In the embodiment, a water drainage connecting pipe 13 is arranged at the side part of the water outlet vertical pipe 1, and the water drainage connecting pipe 13 is used for connecting an air pump, a liquid nitrogen tank or a hot air pipe; the hot air pipe generates hot air when the drainage mechanism 5 drains water, so that water in the water outlet vertical pipe 1 is prevented from freezing.
The hot air pipe is of a single-body heating type, can generate steam, and can completely discharge water in the water outlet stand pipe 1.
In this embodiment, the drainage mechanism 5 includes a main cavity 51, a crank 52, a gear driving mechanism 53 and fan blades 54, and a suction pipe interface 511 is disposed at the bottom of the main cavity 51; the water suction pipe interface 511 is connected with the vertical water discharge pipe 4;
the side or upper part of the main cavity 51 is provided with a water outlet pipe interface 512, and the peripheral side of the main cavity 51 is provided with a supporting structure 513;
crank 52 drives fan blade 54 to rotate through gear driving mechanism 53, fan blade 54 forms negative pressure on one side of suction pipe interface 511, and fan blade 54 forms positive pressure on one side of water outlet pipe interface 512.
In this embodiment, the gear driving mechanism 53 further includes an eccentric wheel 55, a rear end cover 56 and a front bracket 57, and includes a first driving shaft 533, a main driving gearwheel 531 and a driven pinion 532;
the eccentric wheel 55 comprises a rear support bar 551, a main rotary disc 552 and a front support bar 553 which are fixedly connected, and a fan blade passing groove 5521 is arranged in the middle of the main rotary disc 552;
the fan blade 54 includes two blade plates 541 connected in the same direction, and the two blade plates 541 are connected through an elastic structure; fan blade 54 passes through fan blade passing slot 5521;
the rear end cover 56 is fixed at the rear part of the main cavity 51, the rear support 551 is rotatably supported on the rear end cover 56, the front support 553 is rotatably supported on the front bracket 57, and the front bracket 57 is arranged at the front part of the main cavity 51;
the first driving shaft 533 is arranged at one side of the front bracket 57, and the main driving gearwheel 531 is sleeved on the first driving shaft 533; the driven pinion 532 is sleeved on the front support 553, and the main driving gearwheel 531 meshes with the driven pinion 532.
In the present embodiment, the crank 52 is provided on the first drive shaft 533;
the crank 52 drives the first driving shaft 533 to rotate, the first driving shaft 533 drives the main driving gearwheel 531 to rotate, and the main driving gearwheel 531 drives the driven pinion 532 to rotate; the driven pinion 532 drives the main turntable 552 to rotate through the front support rod 553; the main turntable 552 drives the fan blades 54 to rotate; during rotation of main turntable 552;
the main turntable 552 generates eccentric rotation relative to the main cavity 51 by taking the first driving shaft 533 as an axis, and the distance between the two ends of the two blade plates 541 at the two sides and the inner wall of the main cavity 51 is 1-20 mm;
the fan blades 54 and the main rotating disc 552 are used for generating negative pressure at one side of the water suction pipe connector 511 and positive pressure at one side of the water outlet pipe connector 512.
In this embodiment, the front bracket 57 includes a gear box 571 and a gear cover 572, and the gear box 571 is fixed on the front side of the main cavity 51; the front side of the gear box 571 extends out of a gear cavity, and the main driving gearwheel 531 and the driven pinion 532 are arranged in the gear cavity;
a gear cover 572 is provided on the front side of the gear chamber;
the gear cover 572 is provided with a shaft hole 5721 and a front support rod support blind hole 5722; the first drive shaft 533 is rotatably supported within the shaft aperture 5721, and the front support strut 553 is rotatably supported within the blind bore 5722.
A fire-fighting well comprises a well body 01 and the self-drainage fire hydrant structure. Through self-draining formula fire hydrant structure, can realize the safe effective operation of fire-fighting well.
The present invention is not limited to the above embodiments, and the technical solutions of the above embodiments of the present invention may be combined with each other in a crossing manner to form a new technical solution, and all technical solutions formed by using equivalent substitutions fall within the scope of the present invention.
Claims (10)
1. The utility model provides a from drainage formula fire hydrant structure, includes outlet vertical pipe (1) and sets up in side outlet connector (11) of outlet vertical pipe (1) lateral part, its characterized in that, the top of outlet vertical pipe (1) is provided with one-way admission valve (12), be provided with on the bottom of outlet vertical pipe (1) or the horizontal conduit of being connected with outlet vertical pipe (1) outlet switch (2), the bottom of outlet vertical pipe (1) is provided with horizontal drain pipe (3), the other end of horizontal drain pipe (3) upwards is connected with vertical drain pipe (4), drainage mechanism (5) are connected to the exit end of vertical drain pipe (4).
2. Self-draining fire hydrant structure according to claim 1 in which the central part of said lateral drain pipe (3) of the outlet riser (1) is provided with a check valve (6).
3. A self-draining fire hydrant structure according to claim 2 in which a chaff filter screen (7) is provided at the inlet of said lateral drainpipe (3).
4. The self-draining fire hydrant structure according to claim 1, wherein said water outlet switch (2) is an electromagnetic switch, and when said water draining mechanism (5) drains water, said electromagnetic switch is controlled by an electromagnetic signal to close said water outlet switch (2); the drainage mechanism (5) is controlled by an electromagnetic signal, and the water outlet vertical pipe (1) is controlled by an electromagnetic signal; after the water outlet vertical pipe (1) is closed to discharge fire water, the water outlet switch (2) is closed, and the drainage mechanism (5) starts to drain water.
5. Self-draining fire hydrant structure according to claim 4 in which said outlet riser (1) is provided at its bottom with a pressure sensor (8), said pressure sensor (8) being arranged horizontally level with said lateral drain pipe (3).
6. The self-draining fire hydrant structure according to claim 1, wherein a drain connection pipe (13) is provided at a side of said water outlet vertical pipe (1), said drain connection pipe (13) being used for connecting an air pump, a liquid nitrogen tank or a hot air pipe; the hot air pipe generates hot air when the drainage mechanism (5) drains water, so that water in the water outlet vertical pipe (1) is prevented from freezing.
7. The self-draining fire hydrant structure according to claim 1, wherein said draining means (5) comprises a main chamber (51), a crank (52), a gear driving means (53) and a fan blade (54), and a water suction pipe interface (511) is provided at the bottom of said main chamber (51); the water suction pipe interface (511) is connected with the vertical water discharge pipe (4);
a water outlet pipe interface (512) is arranged at the side part or the upper part of the main cavity (51), and a supporting structure (513) is arranged at the peripheral side of the main cavity (51);
the crank (52) drives the fan blades (54) to rotate through the gear driving mechanism (53), the fan blades (54) form negative pressure on one side of the water suction pipe interface (511), and the fan blades (54) form positive pressure on one side of the water outlet pipe interface (512).
8. A self-draining fire hydrant structure according to claim 7 further comprising an eccentric wheel (55), a rear end cap (56) and a front bracket (57), said gear driving mechanism (53) comprising a first driving shaft (533), a main driving gearwheel (531) and a passive pinion (532);
the eccentric wheel (55) comprises a rear support rod (551), a main rotary table (552) and a front support rod (553) which are fixedly connected, and a fan blade passing groove (5521) is formed in the middle of the main rotary table (552);
the fan blade (54) comprises two blade plates (541) which are connected in the same direction, and the two blade plates (541) are connected through an elastic structure; the fan blade (54) penetrates through the fan blade passing groove (5521);
the rear end cover (56) is fixed at the rear part of the main cavity (51), the rear support rod (551) is rotatably supported on the rear end cover (56), the front support rod (553) is rotatably supported on the front bracket (57), and the front bracket (57) is arranged at the front part of the main cavity (51);
the first driving shaft (533) is arranged on one side of the front bracket (57), and the main driving gearwheel (531) is sleeved on the first driving shaft (533); the driven small gear (532) is sleeved on the front supporting rod (553), and the main driving large gear (531) is meshed with the driven small gear (532).
9. A self-draining hydrant structure according to claim 8 in which said handle (52) is provided on said first drive shaft (533);
the first driving shaft (533) is driven to rotate by the crank (52), the first driving shaft (533) drives the main driving gearwheel (531) to rotate, and the main driving gearwheel (531) drives the driven pinion (532) to rotate; the driven pinion (532) drives the main rotary disc (552) to rotate through the front support rod (553); the main rotating disc (552) drives the fan blades (54) to rotate; during rotation of the main turntable (552);
the main rotating disc (552) generates eccentric rotation relative to the main cavity (51) by taking the first driving shaft (533) as an axis, and the distance between the two ends of the two blade plates (541) at the two sides and the inner wall of the main cavity (51) is 1-20 mm;
the fan blades (54) and the main rotating disc (552) form negative pressure on one side of the water suction pipe interface (511) and form positive pressure on one side of the water outlet pipe interface (512) through the action.
10. A fire shaft comprising a self-draining hydrant structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504562.5U CN216428425U (en) | 2021-03-09 | 2021-03-09 | Self-drainage type fire hydrant structure and fire-fighting well comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504562.5U CN216428425U (en) | 2021-03-09 | 2021-03-09 | Self-drainage type fire hydrant structure and fire-fighting well comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216428425U true CN216428425U (en) | 2022-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120504562.5U Active CN216428425U (en) | 2021-03-09 | 2021-03-09 | Self-drainage type fire hydrant structure and fire-fighting well comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216428425U (en) |
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2021
- 2021-03-09 CN CN202120504562.5U patent/CN216428425U/en active Active
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