CN216428423U - Drainage mechanism of fire-fighting well and waterless fire-fighting well - Google Patents
Drainage mechanism of fire-fighting well and waterless fire-fighting well Download PDFInfo
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- CN216428423U CN216428423U CN202120505587.7U CN202120505587U CN216428423U CN 216428423 U CN216428423 U CN 216428423U CN 202120505587 U CN202120505587 U CN 202120505587U CN 216428423 U CN216428423 U CN 216428423U
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Abstract
The utility model relates to a drainage mechanism of a fire-fighting well, which comprises a main cavity body, a crank, a gear driving mechanism and fan blades, wherein the bottom of the main cavity body is provided with a water inlet pipe connector which is connected to the bottom of the fire-fighting well through a water inlet pipe; the side part or the upper part of the main cavity body is provided with a drain 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, negative pressure is formed on one side of the water inlet pipe connector by the fan blades, positive pressure is formed on one side of the water outlet pipe connector by the fan blades, accumulated water in the fire well is pumped away by the water outlet pipe, and therefore the fire well is guaranteed not to accumulate water and can play a warm-keeping effect. The utility model also provides a fire-fighting well comprising the drainage mechanism.
Description
Technical Field
The utility model relates to the technical field of fire fighting, in particular to a drainage mechanism of a fire-fighting well and a waterless fire-fighting well.
Background
In northern cold weather, a fire hydrant equipped in a large oil refinery is usually equipped with an iron drum for heating so as to prevent a water pipe from frost cracking.
The iron barrel or the stainless steel barrel of the fire hydrant in the prior art is called as a fire shaft, and the fire shaft is easy to accumulate water due to condensation, water leakage of the fire hydrant and the like, so that the anti-freezing effect of the fire shaft is failed.
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 ensures that the fire-fighting well does not accumulate water and ensures the anti-freezing effect of the fire-fighting well.
A drainage mechanism of a fire-fighting well comprises a main cavity body, a crank, a gear driving mechanism and fan blades, wherein the bottom of the main cavity body is provided with a water inlet pipe connector, the side part or the upper part of the main cavity body is provided with a drainage pipe connector, 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 inlet 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 inlet 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.
Preferably, the front bracket comprises a gear box and a gear cover, and the gear box is fixed on the front side of the main cavity body; the front side of the gear box extends out of the gear cavity, and the main driving gearwheel and the driven pinion are arranged in the gear cavity;
the gear cover is arranged on the front side of the gear cavity;
the gear cover is provided with a shaft hole and a front support rod support blind hole; the first driving shaft is rotatably supported in the shaft hole, and the front support rod with a rotatable front support rod is supported in the blind hole.
Preferably, the device further comprises a first bearing, a second bearing and a third bearing;
the rear end cover is provided with a rear support rod supporting blind hole, and the rear support rod is rotatably arranged in the rear support rod supporting blind hole through a first bearing;
the first driving shaft is rotatably supported in the shaft hole through a second bearing;
the front support rod is rotatably supported in the front support rod supporting blind hole through a third bearing.
Preferably, the device also comprises a bracket and a locking bolt, wherein the supporting structure is a threaded hole and is positioned at the bottom of the main cavity;
the upper part of the bracket is connected with the threaded hole through a locking bolt.
Preferably, the fire-fighting well further comprises a water inlet pipe, a water collecting pit is arranged at the bottom of the fire-fighting well, the bottom of the water inlet pipe extends into the water collecting pit, and the upper part of the water inlet pipe is connected with a water inlet pipe connector.
The utility model also provides a waterless fire-fighting well.
A waterless fire-fighting well comprises a fire hydrant, a fire-fighting well positioned outside the fire hydrant and a drainage mechanism of the fire-fighting well.
Preferably, the drainage mechanism of the fire-fighting well comprises a main cavity body, a crank, a gear driving mechanism and fan blades, wherein the bottom of the main cavity body is provided with a water inlet pipe connector, the side part or the upper part of the main cavity body is provided with a drainage pipe connector, and the peripheral side 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 inlet 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 inlet 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.
Preferably, the front bracket comprises a gear box and a gear cover, and the gear box is fixed on the front side of the main cavity body; the front side of the gear box extends out of the gear cavity, and the main driving gearwheel and the driven pinion are arranged in the gear cavity;
the gear cover is arranged on the front side of the gear cavity;
the gear cover is provided with a shaft hole and a front support rod support blind hole; the first driving shaft is rotatably supported in the shaft hole, and the front support rod with a rotatable front support rod is supported in the blind hole.
Preferably, the device further comprises a first bearing, a second bearing and a third bearing;
the rear end cover is provided with a rear support rod supporting blind hole, and the rear support rod is rotatably arranged in the rear support rod supporting blind hole through a first bearing;
the first driving shaft is rotatably supported in the shaft hole through a second bearing;
the front support rod is rotatably supported in the front support rod supporting blind hole through a third bearing.
Preferably, the device also comprises a bracket and a locking bolt, wherein the supporting structure is a threaded hole and is positioned at the bottom of the main cavity;
the upper part of the bracket is connected with the threaded hole through a locking bolt.
Preferably, the fire-fighting well further comprises a water inlet pipe, a water collecting pit is arranged at the bottom of the fire-fighting well, the bottom of the water inlet pipe extends into the water collecting pit, and the upper part of the water inlet pipe is connected with a water inlet pipe connector.
Preferably, still include the well lid, the top of fire hydrant stretches out the well lid or is less than the well lid, and drainage mechanism is located one side of fire hydrant.
Preferably, the water pump device further comprises a water pump cover, and the water pump cover is arranged on the outer side of the upper portion of the drainage mechanism.
The utility model has the beneficial effects that: the drainage mechanism of the fire-fighting well comprises a main cavity body, a crank, a gear driving mechanism and fan blades, wherein the bottom of the main cavity body is provided with a water inlet pipe connector which is connected to the bottom of the fire-fighting well through a water inlet pipe; the side part or the upper part of the main cavity body is provided with a drain 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, negative pressure is formed on one side of the water inlet pipe connector by the fan blades, positive pressure is formed on one side of the water outlet pipe connector by the fan blades, accumulated water in the fire well is pumped away by the water outlet pipe, and therefore the fire well is guaranteed not to accumulate water and can play a warm-keeping effect. The utility model also provides a fire-fighting well comprising the drainage mechanism.
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 an exploded view of a drainage mechanism of a fire shaft of the present invention.
Fig. 2 is a schematic structural view of a main chamber of a drainage mechanism of a fire-fighting well according to the present invention.
Fig. 3 is a schematic structural view of an eccentric wheel of a drainage mechanism of a fire-fighting well according to the present invention.
Fig. 4 is a schematic structural view of a first gear cover of a drainage mechanism of a fire shaft according to the present invention.
Fig. 5 is a schematic structural view of a waterless fire-fighting well according to the present invention.
Fig. 6 is a schematic structural view of a waterless fire-fighting well according to the present invention, with a pump cover removed.
In the figure:
1-a main cavity; 11-water inlet pipe interface; 12-a drain pipe interface; 13-a support structure; 2-a crank; 3-a gear drive mechanism; 31-main drive gearwheel; 32-a passive pinion; 4-fan blades; 41-a vane plate; 5-eccentric wheel; 51-a rear strut; 52-a main turntable; 53-anterior struts; 521-passing the fan blades through the slots; 6-rear end cap; 7-front support; 71-gear box; 72-gear cover; 721-shaft hole; 722-front strut support blind holes; 81-a first drive shaft; 91-a first bearing; 92-a second bearing; 93-a third bearing; 94-a fourth bearing; 61-rear support rod supporting blind holes; 01-a scaffold; 02-locking bolts; 03-water inlet pipe; 04-fire hydrant; 05-a fire-fighting well; 06-well cover; 07-water pump cover.
Detailed Description
The drainage mechanism of the fire-fighting well is further described with reference to the attached drawings 1-6.
A drainage mechanism of a fire-fighting well comprises a main cavity 1, a crank 2, a gear driving mechanism 3 and fan blades 4, wherein the bottom of the main cavity 1 is provided with a water inlet pipe connector 11, the side part or the upper part of the main cavity 1 is provided with a water outlet pipe connector 12, and the peripheral side of the main cavity 1 is provided with a supporting structure 13;
crank 2 drives flabellum 4 to rotate through gear drive mechanism 3, and flabellum 4 forms the negative pressure in the one side of inlet tube interface 11, and flabellum 4 forms positive pressure in the one side of drain pipe interface 12.
The bottom of the main cavity 1 is provided with a water inlet pipe connector 11, the water inlet pipe connector 11 is communicated with one end of a water inlet pipe 03, and the other end of the water inlet pipe 03 extends to the bottom of the fire-fighting well 04; the side part or the upper part of the main cavity body is provided with a drain 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, negative pressure is formed on one side of the water inlet pipe connector by the fan blades, positive pressure is formed on one side of the water outlet pipe connector by the fan blades, accumulated water in the fire well is pumped away by the water outlet pipe, and therefore the fire well is guaranteed not to accumulate water and can play a warm-keeping effect. The utility model also provides a fire-fighting well comprising the drainage mechanism.
In the embodiment, the gear driving mechanism 3 further comprises an eccentric wheel 5, a rear end cover 6 and a front support 7, and the gear driving mechanism comprises a first driving shaft 81, a main driving gearwheel 31 and a driven pinion 32;
the eccentric wheel 5 comprises a rear support rod 51, a main turntable 52 and a front support rod 53 which are fixedly connected, and the middle part of the main turntable 52 is provided with a fan blade passing groove 521;
the fan blade 4 comprises two blade plates 41 connected in the same direction, and the two blade plates 41 are connected through an elastic structure; the fan blade 4 passes through the fan blade passing groove 521;
the rear end cover 6 is fixed at the rear part of the main cavity 1, the rear support rod 51 is rotatably supported on the rear end cover 6, the front support rod 53 is rotatably supported on the front bracket 7, and the front bracket 7 is arranged at the front part of the main cavity 1;
the first driving shaft 81 is arranged at one side of the front bracket 7, and the main driving gearwheel 31 is sleeved on the first driving shaft 81; the driven small gear 32 is sleeved on the front support rod 53, and the main driving large gear 31 is meshed with the driven small gear 32.
In the present embodiment, the crank 2 is provided on the first drive shaft 81;
the first driving shaft 81 is driven to rotate by the crank 2, the first driving shaft 81 drives the main driving gearwheel 31 to rotate, and the main driving gearwheel 31 drives the driven pinion 32 to rotate; the driven pinion 32 drives the main rotary disc 52 to rotate through the front supporting rod 53; the main turntable 52 drives the fan blades 4 to rotate; during rotation of the main turntable 52;
the main turntable 52 generates eccentric rotation relative to the main cavity 1 by taking the first driving shaft 81 as an axis, and the distance between the two ends of the two blade plates 41 at the two sides and the inner wall of the main cavity 1 is 1-20 mm;
the fan blades 4 and the main rotating disc 52 form negative pressure on one side of the water inlet pipe joint 11 and positive pressure on one side of the water outlet pipe joint 12 under the action of the air.
In this embodiment, the front bracket 7 includes a gear box 71 and a gear cover 72, and the gear box 71 is fixed on the front side of the main cavity 1; the front side of the gear box 71 extends out of a gear cavity, and the main driving gearwheel 31 and the driven pinion 32 are arranged in the gear cavity;
the gear cover 72 is disposed on the front side of the gear chamber;
the gear cover 72 is provided with a shaft hole 721 and a front support rod support blind hole 722; the first drive shaft 81 is rotatably supported in the shaft hole 721, and the front support shaft 53 is rotatably supported in the front support shaft support blind hole 722.
In this embodiment, the present invention further includes a first bearing 91, a second bearing 92, a third bearing 93, and a fourth bearing 94;
the rear end cover 6 is provided with a rear support rod support blind hole 61, and the rear support rod 51 is rotatably arranged in the rear support rod support blind hole 61 through a first bearing 91;
the front half of the first drive shaft 81 is rotatably supported in the shaft hole 721 via a second bearing 92, and the rear end of the first drive shaft 81 is rotatably supported in the gear box 71 via a fourth bearing 94;
the front support rod 53 is rotatably supported within the front support rod support blind bore 722 by a third bearing 93.
In this embodiment, the device further comprises a bracket 01 and a locking bolt 02, wherein the supporting structure 13 is a threaded hole, and the supporting structure 13 is located at the bottom of the main cavity 1;
the upper part of the bracket 01 is connected with the threaded hole through a locking bolt 02.
In this embodiment, still include inlet tube 03, the bottom of fire-fighting well sets up the sump, and the sump is stretched into to the bottom of inlet tube 03, and inlet tube interface 11 is connected on the upper portion of inlet tube 03.
In this embodiment, the water pump cover 07 is further included, and the water pump cover 07 is disposed outside an upper portion of the drainage mechanism.
The utility model also provides a waterless fire-fighting well.
The waterless fire shaft comprises a fire hydrant 04 and a fire shaft 05 which is positioned outside the fire hydrant 04, and in the embodiment, the waterless fire shaft further comprises a drainage mechanism for the fire shaft.
The drainage mechanism comprises a main cavity 1, a crank 2, a gear driving mechanism 3 and fan blades 4, wherein the bottom of the main cavity 1 is provided with a water inlet pipe connector 11, the side part or the upper part of the main cavity 1 is provided with a drainage pipe connector 12, and the peripheral side of the main cavity 1 is provided with a supporting structure 13;
crank 2 drives flabellum 4 to rotate through gear drive mechanism 3, and flabellum 4 forms the negative pressure in the one side of inlet tube interface 11, and flabellum 4 forms positive pressure in the one side of drain pipe interface 12.
In the embodiment, the gear driving mechanism 3 further comprises an eccentric wheel 5, a rear end cover 6 and a front support 7, and the gear driving mechanism comprises a first driving shaft 81, a main driving gearwheel 31 and a driven pinion 32;
the eccentric wheel 5 comprises a rear support rod 51, a main turntable 52 and a front support rod 53 which are fixedly connected, and the middle part of the main turntable 52 is provided with a fan blade passing groove 521;
the fan blade 4 comprises two blade plates 41 connected in the same direction, and the two blade plates 41 are connected through an elastic structure; the fan blade 4 passes through the fan blade passing groove 521;
the rear end cover 6 is fixed at the rear part of the main cavity 1, the rear support rod 51 is rotatably supported on the rear end cover 6, the front support rod 53 is rotatably supported on the front bracket 7, and the front bracket 7 is arranged at the front part of the main cavity 1;
the first driving shaft 81 is arranged at one side of the front bracket 7, and the main driving gearwheel 31 is sleeved on the first driving shaft 81; the driven small gear 32 is sleeved on the front support rod 53, and the main driving large gear 31 is meshed with the driven small gear 32.
In the present embodiment, the crank 2 is provided on the first drive shaft 81;
the first driving shaft 81 is driven to rotate by the crank 2, the first driving shaft 81 drives the main driving gearwheel 31 to rotate, and the main driving gearwheel 31 drives the driven pinion 32 to rotate; the driven pinion 32 drives the main rotary disc 52 to rotate through the front supporting rod 53; the main turntable 52 drives the fan blades 4 to rotate; during rotation of the main turntable 52;
the main turntable 52 generates eccentric rotation relative to the main cavity 1 by taking the first driving shaft 81 as an axis, and the distance between the two ends of the two blade plates 41 at the two sides and the inner wall of the main cavity 1 is 1-20 mm;
the fan blades 4 and the main rotating disc 52 form negative pressure on one side of the water inlet pipe joint 11 and positive pressure on one side of the water outlet pipe joint 12 under the action of the air.
In this embodiment, the front bracket 7 includes a gear box 71 and a gear cover 72, and the gear box 71 is fixed on the front side of the main cavity 1; the front side of the gear box 71 extends out of a gear cavity, and the main driving gearwheel 31 and the driven pinion 32 are arranged in the gear cavity;
the gear cover 72 is disposed on the front side of the gear chamber;
the gear cover 72 is provided with a shaft hole 721 and a front support rod support blind hole 722; the first drive shaft 81 is rotatably supported in the shaft hole 721, and the front support shaft 53 is rotatably supported in the front support shaft support blind hole 722.
In this embodiment, the present invention further includes a first bearing 91, a second bearing 92, and a third bearing 93;
the rear end cover 6 is provided with a rear support rod support blind hole 61, and the rear support rod 51 is rotatably arranged in the rear support rod support blind hole 61 through a first bearing 91;
the first drive shaft 81 is rotatably supported in the shaft hole 721 via the second bearing 92;
the front support rod 53 is rotatably supported within the front support rod support blind bore 722 by a third bearing 93.
In this embodiment, the device further comprises a bracket 01 and a locking bolt 02, wherein the supporting structure 13 is a threaded hole, and the supporting structure 13 is located at the bottom of the main cavity 1;
the upper part of the bracket 01 is connected with the threaded hole through a locking bolt 02.
In this embodiment, still include inlet tube 03, the bottom of fire-fighting well sets up the sump, and the sump is stretched into to the bottom of inlet tube 03, and inlet tube interface 11 is connected on the upper portion of inlet tube 03.
In the embodiment, the fire hydrant structure further comprises a well cover 06, the top of the fire hydrant 04 extends out of the well cover or is lower than the well cover 06, and the drainage mechanism is located on one side of the fire hydrant 04.
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 drainage mechanism of the fire-fighting well is characterized by comprising a main cavity (1), a crank (2), a gear driving mechanism (3) and fan blades (4), wherein a water inlet pipe connector (11) is arranged at the bottom of the main cavity (1), a drainage pipe connector (12) is arranged at the side part or the upper part of the main cavity (1), and a supporting structure (13) is arranged on the peripheral side of the main cavity (1);
the crank (2) drives the fan blades (4) to rotate through the gear driving mechanism (3), negative pressure is formed on one side of the water inlet pipe connector (11) by the fan blades (4), and positive pressure is formed on one side of the water outlet pipe connector (12) by the fan blades (4).
2. A fire shaft drainage mechanism as defined in claim 1, further comprising an eccentric (5), a rear end cap (6) and a front bracket (7), said gear drive mechanism (3) comprising a first drive shaft (81), a main drive gearwheel (31) and a passive pinion (32);
the eccentric wheel (5) comprises a rear support rod (51), a main turntable (52) and a front support rod (53) which are fixedly connected, and a fan blade passing groove (521) is formed in the middle of the main turntable (52);
the fan blade (4) comprises two blade plates (41) which are connected in the same direction, and the two blade plates (41) are connected through an elastic structure; the fan blade (4) penetrates through the fan blade through groove (521);
the rear end cover (6) is fixed at the rear part of the main cavity (1), the rear support rod (51) is rotatably supported on the rear end cover (6), the front support rod (53) is rotatably supported on the front support (7), and the front support (7) is arranged at the front part of the main cavity (1);
the first driving shaft (81) is arranged on one side of the front support (7), and the main driving gearwheel (31) is sleeved on the first driving shaft (81); the driven small gear (32) is sleeved on the front supporting rod (53), and the main driving large gear (31) is meshed with the driven small gear (32).
3. A drainage mechanism for a fire shaft according to claim 2, wherein the handle (2) is provided on the first drive shaft (81);
the first driving shaft (81) is driven to rotate through the crank (2), the first driving shaft (81) drives the main driving gearwheel (31) to rotate, and the main driving gearwheel (31) drives the driven pinion (32) to rotate; the driven pinion (32) drives the main turntable (52) to rotate through the front supporting rod (53); the main rotating disc (52) drives the fan blades (4) to rotate; during the rotation of the main rotating disc (52);
the main rotating disc (52) generates eccentric rotation relative to the main cavity (1) by taking the first driving shaft (81) as an axis, and the distance between the two ends of the two blade plates (41) at the two sides and the inner wall of the main cavity (1) is 1-20 mm;
the fan blades (4) and the main rotating disc (52) form negative pressure on one side of the water inlet pipe connector (11) and form positive pressure on one side of the water outlet pipe connector (12) under the action of the negative pressure.
4. A fire shaft drain mechanism according to claim 3, characterized in that the front bracket (7) comprises a gear box (71) and a gear cover (72), the gear box (71) being fixed to the front side of the main chamber body (1); the front side of the gear box (71) extends out of a gear cavity, and the main driving gearwheel (31) and the driven pinion (32) are arranged in the gear cavity;
the gear cover (72) is arranged on the front side of the gear cavity;
the gear cover (72) is provided with a shaft hole (721) and a front support rod support blind hole (722); the first driving shaft (81) is rotatably supported in the shaft hole (721), and the front support rod (53) is rotatably supported in the front support rod support blind hole (722).
5. A fire shaft drainage mechanism as claimed in claim 4, further comprising a first bearing (91), a second bearing (92) and a third bearing (93);
the rear end cover (6) is provided with a rear support rod supporting blind hole (61), and the rear support rod (51) is rotatably arranged in the rear support rod supporting blind hole (61) through the first bearing (91);
the first drive shaft (81) is rotatably supported in the shaft hole (721) through the second bearing (92);
the front supporting rod (53) is rotatably supported in the front supporting rod supporting blind hole (722) through the third bearing (93).
6. A drainage mechanism for a fire shaft according to claim 5, further comprising a bracket (01) and a locking bolt (02), wherein the support structure (13) is a threaded hole, and the support structure (13) is located at the bottom of the main chamber (1);
the upper part of the bracket (01) is connected with the threaded hole through the locking bolt (02).
7. A drainage mechanism for a fire shaft as claimed in claim 1, further comprising a water inlet pipe (03), wherein a sump is provided at the bottom of the fire shaft, the bottom of the water inlet pipe (03) extends into the sump, and the upper portion of the water inlet pipe (03) is connected to the water inlet pipe connector (11).
8. A waterless fire shaft comprising a hydrant (04) and a fire shaft (05) located outside the hydrant (04), characterized by further comprising a drainage mechanism of the fire shaft of any one of claims 1 to 7.
9. The waterless fire-fighting well according to claim 8, characterized by further comprising a well lid (06), wherein the top of the fire hydrant (04) extends out of the well lid or is lower than the well lid (06), and the drainage mechanism is located on one side of the fire hydrant (04).
10. The waterless fire well according to claim 8, further comprising a pump cover (07), wherein the pump cover (07) is disposed outside an upper portion of the drainage mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505587.7U CN216428423U (en) | 2021-03-09 | 2021-03-09 | Drainage mechanism of fire-fighting well and waterless fire-fighting well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505587.7U CN216428423U (en) | 2021-03-09 | 2021-03-09 | Drainage mechanism of fire-fighting well and waterless fire-fighting well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216428423U true CN216428423U (en) | 2022-05-03 |
Family
ID=81315821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120505587.7U Active CN216428423U (en) | 2021-03-09 | 2021-03-09 | Drainage mechanism of fire-fighting well and waterless fire-fighting well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216428423U (en) |
-
2021
- 2021-03-09 CN CN202120505587.7U patent/CN216428423U/en active Active
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