CN213709725U

CN213709725U - Overflow arrangement is prevented to fire water tank for high-rise building

Info

Publication number: CN213709725U
Application number: CN202022375479.0U
Authority: CN
Inventors: 吴治刚; 顾正友; 王鑫
Original assignee: Shanghai General Construction Engineering Research Institute Co ltd
Current assignee: Shanghai General Construction Engineering Research Institute Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-07-16
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a fire control field, specifically a fire water tank anti-overflow device for high-rise building, including defeated water tank and inlet tube, the one end of inlet tube links to each other with defeated water pump, the other end of inlet tube is linked together with defeated water tank, the end that the inlet tube lies in defeated water tank is connected with the ball-cock assembly, the intercommunication has a bypass pipe on the inlet tube, the other end of bypass pipe is linked together with defeated water tank, the internal diameter of bypass pipe is less than the internal diameter of inlet tube; the utility model relates to a novelty, suitability are strong, and this anti-overflow device can effectively reduce the overflow volume of defeated water tank in the fire control use, avoids the condition that water tank, equipment that the too big water pressure leads to in the fire control defeated water tank damaged, has stronger suitability, suitable further popularization and application.

Description

Overflow arrangement is prevented to fire water tank for high-rise building

Technical Field

The utility model relates to a fire control field specifically is a fire water tank anti-overflow device for high-rise building.

Background

At the super high-rise building that surpasss 250 meters, need adopt two water sources to supply water, roof pond gravity supplies water and underground water pond pressure supplies water promptly, and the defeated water pump of commentaries on classics during the conflagration is in the operation that does not stop of normally open state, and gravity supplies water and pressure supply water can input the fire control simultaneously and transship the water tank in, therefore the inflow is great, can cause great overflow volume, and easily cause the fire control to transship the water tank water-logging and be full of the back, the damage of equipment such as water tanks that the incasement water pressure is great leads to.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a fire water tank anti-overflow device for high-rise building.

The utility model discloses cross following technical scheme and realize:

the utility model provides a fire water tank anti-overflow device for high-rise building, includes defeated water tank and inlet tube of relaying, the one end of inlet tube links to each other with the defeated water pump of relaying, the other end and the defeated water tank of inlet tube are linked together, the end-to-end connection that the inlet tube is located defeated water tank has the ball-cock assembly, the intercommunication has a bypass pipe on the inlet tube, the other end and the defeated water tank of bypass pipe are linked together, the internal diameter of bypass pipe is less than the internal diameter of inlet.

Preferably, a gate valve is installed on the water inlet pipe, and the gate valve is closer to the water inlet side of the water inlet pipe than the joint of the water inlet pipe and the bypass pipe.

Preferably, the water outlet end of the bypass pipe in the transfer water tank is connected with an inner diameter contraction mechanism, and the inner diameter contraction mechanism is fixed in the transfer water tank through a fixing frame;

the inner diameter contraction mechanism comprises a cylinder, a short water inlet pipe, a water outlet pipe, a rubber pipe, a ring-shaped rubber plunger, a ring-shaped column and a buoyancy piece, the middle part of the cylinder is provided with a cylindrical cavity, the outer side of the cylindrical cavity is provided with an annular cavity, the upper end of the annular cavity is communicated with the cylindrical cavity, the upper end and the lower end of the cylinder are respectively provided with a water inlet short pipe and a water outlet pipe in a penetrating way, the water inlet short pipe and the water outlet pipe extend into the cylindrical cavity, the water inlet short pipe is connected with the water outlet pipe through a rubber pipe, the lower end of the cylinder is provided with an annular column, the upper end of the annular column penetrates through the bottom of the cylinder and extends into the annular cavity, the annular column is in clearance fit with the cylinder, the upper end of the annular column is provided with an annular rubber plunger piston, the annular rubber plunger piston is tightly matched with the annular cavity, and the bottom of the annular column is provided with a hollow buoyancy piece.

Furthermore, two ends of the rubber pipe are respectively fixed on the water inlet short pipe and the water outlet pipe through the hoops.

The utility model has the advantages that:

the utility model relates to a novelty, suitability are strong, and this anti-overflow device can effectively reduce the overflow volume of defeated water tank in the fire control use, avoids the condition that water tank, equipment that the too big water pressure leads to in the fire control defeated water tank damaged, has stronger suitability, suitable further popularization and application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an overflow preventing device of a fire-fighting water tank for a high-rise building in example 1;

FIG. 2 is a schematic structural view of an overflow preventing device of a fire-fighting water tank for a high-rise building in embodiment 2;

FIG. 3 is a schematic view of an inner diameter contracting mechanism in embodiment 2;

FIG. 4 is a schematic view showing the internal structure of the ring cavity in example 2.

Description of the main elements

A transfer water tank-1; a water inlet pipe-2; a ball cock-3; a gate valve-4; an inner diameter contraction mechanism-5; a fixed mount-6; a fixed ring-7; a bypass pipe-8; a cylinder-51; a short water inlet pipe-52; a water outlet pipe-53; a rubber tube-54; a ring-shaped rubber plunger-55; an annular column-56; a buoyant member-57; an annular cavity-511; cylindrical cavity-512.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

Referring to fig. 1, the overflow preventing device for the fire water tank for the high-rise building comprises a transfer water tank 1 and a water inlet pipe 2, wherein one end of the water inlet pipe 2 is connected with a transfer water pump, the other end of the water inlet pipe 2 is communicated with the transfer water tank 1, the tail end of the water inlet pipe 2, which is positioned in the transfer water tank 1, is connected with a ball float valve 3, the water inlet pipe 2 is communicated with a bypass pipe 8, the other end of the bypass pipe 8 is communicated with the transfer water tank 1, and the inner diameter of the bypass pipe 8 is smaller than that of the water inlet pipe 2, wherein the inner diameter of the bypass pipe 8 is 1/7-1/6 of the inner diameter of the water inlet pipe, preferably; the bypass pipe 8 can prevent the water pump from being damaged due to overheating caused by the idle running of the transfer water pump after the float valve 3 is completely closed.

The water transfer pump operates to synchronously inject water into the water transfer tank 1 through the water inlet pipe 2 and the bypass pipe 8, when the water level in the water transfer tank 1 reaches the set closing water level of the ball float valve 3, the ball float valve 3 closes the water only entering the bypass pipe 8, the water quantity entering the water tank through the bypass pipe 8 is greatly smaller than the water outlet quantity of the water transfer pump, and the overflow quantity of the water tank can be effectively reduced.

Further, a gate valve 4 is arranged on the water inlet pipe 2, and the gate valve 4 is closer to the water inlet side of the water inlet pipe 2 than the joint of the water inlet pipe 2 and the bypass pipe 8; the gate valve 4 is closed when the float valve 3 is inspected, and the supply of external water is avoided.

Example 2

Referring to fig. 1-3, this embodiment is substantially the same as embodiment 1, except that the outlet end of the bypass pipe 8 in the transport water tank 1 is connected with an inner diameter contraction mechanism 5, and the inner diameter contraction mechanism 5 is fixed in the transport water tank 1 through a fixing frame 6;

the inner diameter contraction mechanism 5 comprises a cylinder 51, a water inlet short pipe 52, a water outlet pipe 53, a rubber pipe 54, a ring-shaped rubber plunger 55, a ring-shaped column 56 and a buoyancy piece 57, wherein the middle part of the cylinder 51 is provided with a cylindrical cavity 512, the outer side of the cylindrical cavity 512 is provided with a ring-shaped cavity 511, the upper end of the ring-shaped cavity 511 is communicated with the cylindrical cavity 512, the upper end and the lower end of the cylinder 51 are respectively fixedly provided with the water inlet short pipe 52 and the water outlet pipe 53 in a penetrating way, the water inlet short pipe 52 and the water outlet pipe 53 extend into the cylindrical cavity 512, the water inlet short pipe 52 is connected with the water outlet pipe 53 through the rubber pipe 54, the pipe wall thickness of the rubber pipe 54 is preferably 5-7; the lower end of the cylinder 51 is provided with an annular column 56, the upper end of the annular column 56 penetrates through the bottom of the cylinder 51 and extends into the annular cavity 511, the annular column 56 is in clearance fit with the cylinder 51, and the single-side fit clearance is 3mm, so that the annular column 56 can conveniently extend into and withdraw from the cylinder 51; the upper end of the annular column 56 is provided with an annular rubber plunger 55, the annular rubber plunger 55 is tightly matched with the annular cavity 511, the interference fit amount of the annular rubber plunger 55 and the annular cavity 511 is 5-8mm from two sides so as to prevent external water from filling above the annular rubber plunger 55, and the bottom of the annular column 56 is provided with a hollow buoyancy member 57; wherein, a fixing ring 7 is fixed on the outer side of the water inlet short pipe 52, and the fixing ring 7 is fixedly arranged on the fixing frame 6 through bolts.

Furthermore, two ends of the rubber tube 54 are fixed on the short water inlet pipe 52 and the short water outlet pipe 53 respectively through clamps.

Along with the rising of the water level in the water transferring tank 1, the buoyancy piece 57 drives the annular rubber plunger 55 to move upwards through the annular column 56, the annular rubber plunger 55 moves upwards to press the gas in the annular cavity 511 into the cylindrical cavity 512, so that the pressure in the cylindrical cavity 512 rises, the rising of the pressure in the cylindrical cavity 512 extrudes the rubber pipe 54, the rubber pipe 54 is compressed inwards, the liquid flow area in the rubber pipe 54 is reduced, and the water outlet quantity of the water outlet pipe 53 is reduced along with the reduction of the liquid flow area of the rubber pipe 54; when the water level in the water transferring tank 1 descends, the air pressure in the annular cavity 511 is larger than the buoyancy provided by the buoyancy member 57, the rubber tube 54 moves downwards, the air pressure in the cylindrical cavity 512 is reduced, the rubber tube 54 is outwards propped open, and the water yield is increased; the arrangement can adjust the water outlet quantity of the bypass pipe 8 according to the water quantity in the transferring water tank 1, and further reduce the overflow of the water in the transferring water tank 1.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fire water tank anti-overflow device for high-rise building, is including defeated water tank (1) and inlet tube (2) of transferring, the one end of inlet tube (2) links to each other with defeated water pump of transferring, the other end and the defeated water tank (1) of transferring of inlet tube (2) are linked together, a serial communication port, end-to-end connection that inlet tube (2) are located defeated water tank (1) of transferring has ball-cock assembly (3), the intercommunication has bypass pipe (8) on inlet tube (2), the other end and the defeated water tank (1) of transferring of bypass pipe (8) are linked together, the internal diameter of bypass pipe (8) is less than the internal diameter of inlet.

2. A fire water tank overflow preventing device for high-rise buildings according to claim 1, characterized in that the inlet pipe (2) is installed with a gate valve (4), and the gate valve (4) is closer to the inlet side of the inlet pipe (2) than the junction of the inlet pipe (2) and the bypass pipe (8).

3. A fire-fighting water tank overflow-preventing device for high-rise buildings according to claim 1 or 2, characterized in that the water outlet end of the bypass pipe (8) in the transfer water tank (1) is connected with an inner diameter contraction mechanism (5), and the inner diameter contraction mechanism (5) is fixed in the transfer water tank (1) through a fixing frame (6);

the inner diameter contraction mechanism (5) comprises a cylinder (51), a water inlet short pipe (52), a water outlet pipe (53), a rubber pipe (54), a ring-shaped rubber plunger (55), a ring-shaped column (56) and a buoyancy piece (57), wherein the middle part of the cylinder (51) is provided with a cylindrical cavity (512), the outer side of the cylindrical cavity (512) is provided with a ring-shaped cavity (511), the upper end of the ring-shaped cavity (511) is communicated with the cylindrical cavity (512), the upper end and the lower end of the cylinder (51) are respectively provided with the water inlet short pipe (52) and the water outlet pipe (53) in a penetrating manner, the water inlet short pipe (52) and the water outlet pipe (53) extend into the cylindrical cavity (512), the water inlet short pipe (52) is connected with the water outlet pipe (53) through the rubber pipe (54), the lower end of the cylinder (51) is provided with the ring-shaped column (56), and the upper end of the ring-shaped column (56) penetrates through the bottom of the, annular post (56) and cylinder (51) are clearance fit, the upper end of annular post (56) is equipped with annular rubber plunger (55), annular rubber plunger (55) and ring type chamber (511) are tight fit, the bottom of annular post (56) is equipped with a hollow buoyancy piece (57).

4. A fire-fighting water tank overflow-preventing device for high-rise buildings according to claim 3, characterized in that the two ends of the rubber tube (54) are fixed to the water inlet short tube (52) and the water outlet tube (53) respectively by clips.