Overground fire hydrant with anti-freezing function

By setting up a fire water valve, control handle and electric heating ring on the adjustment pipe of the fire hydrant, combined with the water outlet pipe and the pumping pump, the problem of water accumulation and freezing of the fire hydrant under low temperature conditions is solved, ensuring the normal operation of the fire water supply.

CN222632403UActive Publication Date: 2025-03-18WUXI LIYUAN WATER SAVING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420727646.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-03-18
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

In severe cold areas in the north, the accumulated water from the fire hydrant is prone to freeze and blockage under low temperature conditions, resulting in paralysis of fire water supply and serious damage to life and property.

Method used

设计了一种具有防冻功能的地上消防栓,通过在调节管上设置消防水阀和控制手柄,在低温时关闭水阀并打开电加热环,使水保持在20~30℃,同时通过出水管和抽水泵机抽取消防栓管内的水,防止冻结。

Benefits of technology

It effectively avoids the problem of water freezing in the fire hydrant pipe, ensures the normal use of fire water supply, and reduces the loss of life and property caused by freezing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222632403U_ABST
    Figure CN222632403U_ABST
Patent Text Reader

Abstract

The ground fire hydrant with the anti-freezing function comprises a fire hydrant head, a fire hydrant pipe and an adjusting pipe which are sequentially connected, the adjusting pipe is buried in a soil layer, and a fire control water valve is connected to the adjusting pipe. The fire water valve is connected with a control handle I; the adjusting pipe is connected with two electric heating rings; the heat output ends of the two electric heating rings are attached to the outer wall of the adjusting pipe. The fire-fighting water valve and the control handle are arranged on the adjusting pipe, the fire-fighting water valve is closed in cold weather, water on the adjusting pipe is blocked, the electric heating ring is connected to the adjusting pipe, the fire-fighting water valve is closed and the electric heating ring is opened at the same time when the temperature is low, and the temperature of the water at the blocked position of the fire-fighting water valve is kept at 20-30 DEG C; and the influence on subsequent use caused by water freezing is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a ground fire hydrant with an antifreeze function. Background Art

[0002] Fire hydrants are an indispensable component for ensuring urban fire safety. However, in most of the severely cold areas in northern my country, due to the low temperature in winter, the accumulated water in the fire hydrants will freeze and block them after use or testing, making them unusable, resulting in paralysis of the fire water supply and causing serious loss of life and property. Therefore, antifreeze work for fire hydrants is particularly important. Utility Model Content

[0003] The utility model aims to solve the problem of fire hydrant antifreeze in the prior art and proposes a ground fire hydrant with antifreeze function.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A ground fire hydrant with an anti-freeze function comprises a fire hydrant head, a fire hydrant pipe and a regulating pipe which are connected in sequence, and the regulating pipe is buried in a soil layer, and the regulating pipe is connected to a fire water valve; the fire water valve is connected to a control handle; the regulating pipe is connected to two electric heating rings; the heat output ends of the two electric heating rings are in contact with the outer wall of the regulating pipe; and the two electric heating rings are respectively arranged on both sides of the fire water valve; the two electric heating rings are externally connected to a power source through electric wires; the regulating pipe is also connected to a water outlet pipe; the water outlet pipe is arranged at one end of the water stop valve close to the water outlet.

[0006] Preferably, the water outlet pipe is connected to a water stop valve; the water stop valve is connected to a second control handle; and the water outlet pipe is also connected to a water pump.

[0007] Preferably, the control handle 1 and the control handle 2 both extend to the upper end of the soil layer.

[0008] Preferably, the two electric heating rings are externally connected to a power source via electric wires, and the output temperature of the electric heating rings is 20-30°C.

[0009] Preferably, a thermal insulation layer is connected to the outer sides of the fire hydrant pipe and the regulating pipe; and the electric heating ring is arranged in the thermal insulation layer.

[0010] Preferably, a protective outer shell layer is connected to the outer side of the thermal insulation layer.

[0011] Compared with the prior art, the utility model provides a ground fire hydrant with antifreeze function, which has the following beneficial effects:

[0012] The above-ground fire hydrant with anti-freezing function is provided with a fire water valve and a control handle on the regulating pipe. When the weather is cold, the fire water valve is closed to block the water on the regulating pipe. A water outlet pipe is provided on the regulating pipe. The water remaining in the fire hydrant pipe is pumped out by a water pump to prevent the water in the fire hydrant pipe from freezing after staying in the fire hydrant pipe. An electric heating ring is connected to the regulating pipe. When the temperature is low, the fire water valve is closed and the electric heating ring is opened at the same time to keep the water at the blocking part of the fire water valve at 20-30°C to prevent the water from freezing and affecting the subsequent use.

[0013] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial structural schematic diagram of the utility model.

[0016] In the figure: 10 soil layer, 11 fire hydrant head, 12 fire hydrant pipe, 13 regulating pipe, 2 fire water valve, 21 control handle 1, 3 electric heating ring, 4 water outlet pipe, 41 water stop valve, 42 water pump, 43 control handle 2, 5 insulation layer, 6 protective shell layer. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0019] Reference Figure 1-2, a ground fire hydrant with anti-freeze function, comprising a fire hydrant head 11, a fire hydrant pipe 12 and a regulating pipe 13 connected in sequence, and the regulating pipe 13 is buried in a soil layer 10, and a fire water valve 2 is connected to the regulating pipe 13; the fire water valve 2 is connected to a control handle 21; the regulating pipe 13 is connected to two electric heating rings 3; the heat output ends of the two electric heating rings 3 are in contact with the outer wall of the regulating pipe 13; and the two electric heating rings 3 are respectively arranged on both sides of the fire water valve 2; the two electric heating rings 3 are externally connected to a power source through electric wires; the two electric heating rings 3 are externally connected to a power source through electric wires, and the output temperature of the electric heating rings 3 is 20-30°C; the regulating pipe 13 is also connected to a water outlet pipe 4; the water outlet pipe 4 is arranged at the end of the water stop valve 2 close to the water outlet and is communicated with the regulating pipe 13.

[0020] The water outlet pipe 4 is connected to a water stop valve 41 ; the water stop valve 41 is connected to a control handle 2 43 ; the water outlet pipe 4 is also connected to a water pump 42 ; the control handle 1 21 and the control handle 2 43 both extend to the upper end of the soil layer 10 .

[0021] The outer sides of the fire hydrant pipe 12 and the regulating pipe 13 are connected with a heat-insulating layer 5 ; the electric heating ring 3 is arranged in the heat-insulating layer 5 ; the outer side of the heat-insulating layer 5 is connected with a protective outer shell layer 6 .

[0022] When the temperature is low, a fire water valve and a control handle are installed on the regulating pipe, the fire water valve is closed, and the electric heating ring is opened at the same time to keep the water at the fire water valve barrier at 20-30°C to prevent the water from freezing and affecting subsequent use; and a water outlet pipe is installed on the regulating pipe to extract the water remaining in the fire hydrant pipe through a water pump to prevent the water in the fire hydrant pipe from freezing after staying in the fire hydrant pipe, and an electric heating ring is connected to the regulating pipe. When the temperature is low.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An above-ground fire hydrant with an antifreeze function, comprising a fire hydrant head (11), a fire hydrant pipe (12) and a regulating pipe (13) connected in sequence, wherein the regulating pipe (13) is buried in a soil layer (10), characterized in that: The regulating tube (13) is connected to a fire water valve (2); the fire water valve (2) is connected to a control handle (21); the regulating tube (13) is connected to two electric heating rings (3); the heat output ends of the two electric heating rings (3) are in contact with the outer wall of the regulating tube (13); and the two electric heating rings (3) are respectively arranged on both sides of the fire water valve (2); the two electric heating rings (3) are externally connected to a power source through electric wires; the regulating tube (13) is also connected to a water outlet pipe (4); the water outlet pipe (4) is arranged at an end of the water stop valve (2) close to the water outlet.

2. The above-ground fire hydrant with antifreeze function according to claim 1, characterized in that: The water outlet pipe (4) is connected to a water stop valve (41); the water stop valve (41) is connected to a second control handle (43); and the water outlet pipe (4) is also connected to a water pump (42).

3. The above-ground fire hydrant with antifreeze function according to claim 1, characterized in that: The control handle 1 (21) and the control handle 2 (43) both extend to the upper end of the soil layer (10).

4. The above-ground fire hydrant with antifreeze function according to claim 1, characterized in that: The two electric heating rings (3) are externally connected to a power source via electric wires, and the output temperature of the electric heating rings (3) is 20-30°C.

5. The above-ground fire hydrant with antifreeze function according to claim 1, characterized in that: The outsides of the fire hydrant pipe (12) and the regulating pipe (13) are connected to a thermal insulation layer (5); the electric heating ring (3) is arranged inside the thermal insulation layer (5).

6. The above-ground fire hydrant with antifreeze function according to claim 1, characterized in that: The outer side of the thermal insulation layer (5) is connected to a protective outer shell layer (6).