Underground fire hydrant with leakage alarm function

Abstract

The utility model discloses an underground fire hydrant with a leakage alarm function. The underground fire hydrant comprises a body, a bent pipe and a connecting pipe, a connecting flange is connected between the bent pipe and the connecting pipe, and the outer side of the connecting flange is sleeved with a mounting frame. A first abutting plate and a second abutting plate are connected to the inner side of the mounting frame. The first abutting plate and the second abutting plate are arranged at the upper end and the lower end of the connecting flange correspondingly. A guide rod is connected between the first abutting plate and the second abutting plate. Alarm mechanisms are connected to the upper and lower ends of the mounting frame; the alarm mechanism comprises a button communicated with the inner side of the mounting frame and an alarm device electrically connected with the button; the alarm device located at the upper end is connected with a first alarm through an electric wire. The alarm device located at the lower end is connected with an alarm II through an electric wire. The abutting plate and the alarm device are arranged at the upper end and the lower end of the connecting flange, so that the water leakage condition at the connecting position of the underground fire hydrant can be conveniently and visually known.

Description

Technical Field

[0001] The utility model relates to the technical field of fire hydrants, in particular to an underground fire hydrant with a leakage alarm function. Background Art

[0002] During the use of existing underground fire hydrants, they are buried underground and are not easy to be discovered by people, which brings inconvenience to maintenance and inspection. In case of emergencies, their locations cannot be found quickly. In particular, the connection parts of underground fire hydrants are located underground, and it is difficult to accurately see whether the connection parts are loose and cause water leakage, thus posing a hidden danger to subsequent use. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes an underground fire hydrant with a leakage alarm function.

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

[0005] An underground fire hydrant with a leakage alarm function comprises a main body, a bent pipe and a connecting pipe; a connecting flange is connected between the bent pipe and the connecting pipe, and a mounting frame is sleeved on the outer side of the connecting flange; abutment plate 1 and abutment plate 2 are connected to the inner side of the mounting frame; and abutment plate 1 and abutment plate 2 are respectively arranged at the upper and lower ends of the connecting flange; a guide rod is connected between abutment plate 1 and abutment plate 2; an alarm mechanism is connected to the upper and lower ends of the mounting frame; the alarm mechanism comprises a button communicated with the inner side of the mounting frame and an alarm device electrically connected to the button; and the alarm device at the upper end is connected to alarm device 1 through electric wires; the alarm device at the lower end is connected to alarm device 2 through electric wires.

[0006] Preferably, the upper end of the guide rod passes through the first support plate and is fixedly connected to the upper end of the mounting frame; the lower end of the guide rod passes through the second support plate and is fixedly connected to the lower end of the mounting frame; and the upper and lower ends of the guide rod are respectively connected to spring one and spring two; the upper and lower ends of spring one are respectively abutted against the upper end of the mounting frame and the upper end of the first support plate; the upper and lower ends of spring two are respectively abutted against the lower end of the second support plate and the lower end of the mounting frame.

[0007] Preferably, the outer walls of the abutment plates 1 and 2 are fitted with the inner walls of the mounting frame; and the lower end of the abutment plate 1 is fitted with the upper end of the connecting flange via spring 1; and the upper end of the abutment plate 2 is fitted with the lower end of the connecting flange via spring 2.

[0008] Preferably, the upper end of the first abutment plate and the lower end of the second abutment plate are both connected with a fixing block; and the fixing block and the button are arranged on the same axis.

[0009] Preferably, both upper and lower ends of the mounting frame are fixedly connected to fixing frames; the alarm device is arranged in the fixing frame; and a drying layer is also connected in the fixing frame.

[0010] Preferably, a threaded hole and a connecting hole are provided on the connecting flange; a sealing groove is also provided at one end of the connecting flange; and a sealing strip is connected in the sealing groove.

[0011] Preferably, a closed groove is provided on the outer side of the lower end of the connecting flange.

[0012] Preferably, the outer ends of the bent pipe and the connecting pipe are connected with a thermal insulation layer; and the outer side of the mounting frame is connected with a waterproof layer.

[0013] Compared with the prior art, the utility model provides an underground fire hydrant with a leakage alarm function, which has the following beneficial effects:

[0014] The underground fire hydrant with leakage alarm function is provided with a mounting frame at the outer side of the connection end of the elbow and the connecting pipe, and abutment plates and alarm equipment are provided at the upper and lower ends of the connecting flange, so that when the connection between the elbow and the connecting pipe leaks, water accumulates on the second abutment plate, and after the second abutment plate is pressed down, the second abutment plate presses a button to cause the second alarm to alarm, which can remind a small amount of leakage at the elbow and the connecting pipe. When the damage is large, the water flow continues to accumulate and pushes the first abutment plate upward, thereby squeezing the button at the upper end to cause the first alarm to alarm. The leakage is large and needs to be handled in time, which facilitates intuitive understanding of the leakage situation at the connection of the underground fire hydrant; and a sealing structure is formed in the mounting frame, which can further prevent leakage of the elbow and the connecting pipe.

[0015] 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

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the utility model;

[0018] Figure 3 It is a partial structural schematic diagram of the utility model;

[0019] Figure 4 It is a cross-sectional view of the connecting flange in the utility model;

[0020] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at A in the middle.

[0021] In the figure: 10 body, 11 elbow, 12 connecting pipe, 13 connecting flange, 131 threaded hole, 132 connecting hole, 14 insulation layer, 15 fixing frame, 21 mounting frame, 22 abutment plate 1, 23 abutment plate 2, 24 guide rod, 25 spring 1, 26 spring 2, 27 fixing block, 28 waterproof layer, 31 button, 32 alarm device, 33 alarm 1, 34 alarm 2, 35 drying layer, 41 sealing groove, 42 sealing strip, 43 closing groove. DETAILED DESCRIPTION

[0022] The following will refer to Figure 1-4 , the specific implementation of the underground fire hydrant with leakage alarm function in the utility model is introduced, including a body 10, a bend pipe 11 and a connecting pipe 12; the outer ends of the bend pipe 11 and the connecting pipe 12 are connected with an insulation layer 14; a connecting flange 13 is connected between the bend pipe 11 and the connecting pipe 12, and a mounting frame 21 is sleeved on the outer side of the connecting flange 13; a stop plate 1 22 and a stop plate 23 are connected to the inner side of the mounting frame 21; and the stop plate 1 22 and the stop plate 23 are respectively arranged at the upper and lower ends of the connecting flange 13; a guide rod 24 is connected between the stop plate 1 22 and the stop plate 23; the upper and lower ends of the mounting frame 21 are connected with an alarm mechanism; the alarm The mechanism includes a button 31 connected to the inner side of the mounting frame 21 and an alarm device 32 electrically connected to the button 31; and the alarm device 32 at the upper end is connected to an alarm device 1 33 through an electric wire; and the alarm device 32 at the lower end is connected to an alarm device 2 34 through an electric wire. When the connection between the elbow 11 and the connecting pipe 12 leaks, water accumulates on the second plate 23. After the second plate 23 is pressed down, the second plate 23 presses the button 31 to cause the second alarm device 34 to alarm, which can remind the elbow 11 and the connecting pipe 12 to leak. When the damage is large, the water flow continues to accumulate and pushes the first plate 22 upward, thereby squeezing the button 31 at the upper end to cause the alarm device 1 33 to alarm, and the amount of water leakage is large. In order to facilitate the squeezing of the button 31 by the plate, the upper end of the first plate 22 and the lower end of the second plate 23 are both connected to a fixed block 27; and the fixed block 27 and the button 31 are arranged on the same axis.

[0023] To facilitate the arrangement of the abutment plate 1 22 and the abutment plate 23, the upper end of the guide rod 24 passes through the abutment plate 1 22 and is fixedly connected to the upper end of the mounting frame 21; the lower end of the guide rod 24 passes through the abutment plate 23 and is fixedly connected to the lower end of the mounting frame 21; and the upper and lower ends of the guide rod 24 are respectively connected to a spring 1 25 and a spring 26; the upper and lower ends of the spring 1 25 are respectively abutted against the upper end of the mounting frame 21 and the upper end of the abutment plate 1 22; the upper and lower ends of the spring 26 are respectively abutted against the lower end of the abutment plate 23 and the lower end of the mounting frame 21.

[0024] To ensure the outer sealing of the abutment plate 1 22 and the abutment plate 23, the outer side walls of the abutment plate 1 22 and the abutment plate 23 are in contact with the inner side wall of the mounting frame 21; and the lower end of the abutment plate 1 22 is in contact with the upper end of the connecting flange 13 via a spring 1 25; and the upper end of the abutment plate 23 is in contact with the lower end of the connecting flange 13 via a spring 26.

[0025] The outer side of the mounting frame 21 is connected to a waterproof layer 28 ; the upper and lower ends of the mounting frame 21 are fixedly connected to a fixing frame 15 ; the alarm device 32 is disposed in the fixing frame 15 ; and the fixing frame 15 is also connected to a drying layer 35 .

[0026] In order to reduce water leakage at the connection between the elbow 11 and the connecting pipe 12, a threaded hole 131 and a connecting hole 132 are provided on the connecting flange 13; a sealing groove 41 is also provided at one end of the connecting flange 13; a sealing strip 42 is connected in the sealing groove 41, and a closed groove 43 is provided on the outer side of the lower end of the connecting flange 13, and an external sealing strip or waterproof strip can be connected through the closed groove 43.

[0027] 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 underground fire hydrant with a leakage alarm function, comprising a body (10), a bend pipe (11) and a connecting pipe (12); a connecting flange (13) is connected between the bend pipe (11) and the connecting pipe (12), characterized in that: The outer side of the connecting flange (13) is sleeved with a mounting frame (21); the inner side of the mounting frame (21) is connected with a first abutment plate (22) and a second abutment plate (23); and the first abutment plate (22) and the second abutment plate (23) are respectively arranged at the upper and lower ends of the connecting flange (13); a guide rod (24) is connected between the first abutment plate (22) and the second abutment plate (23); the upper and lower ends of the mounting frame (21) are connected with an alarm mechanism; the alarm mechanism comprises a button (31) connected to the inner side of the mounting frame (21) and an alarm device (32) electrically connected to the button (31); and the alarm device (32) at the upper end is connected with an alarm device (33) through an electric wire; and the alarm device (32) at the lower end is connected with an alarm device (34) through an electric wire.

2. The underground fire hydrant with leakage alarm function according to claim 1, characterized in that: The upper end of the guide rod (24) passes through the first abutment plate (22) and is fixedly connected to the upper end of the mounting frame (21); the lower end of the guide rod (24) passes through the second abutment plate (23) and is fixedly connected to the lower end of the mounting frame (21); and the upper and lower ends of the guide rod (24) are respectively connected to a spring one (25) and a spring two (26); the upper and lower ends of the spring one (25) are respectively abutted against the upper end of the mounting frame (21) and the upper end of the first abutment plate (22); the upper and lower ends of the spring two (26) are respectively abutted against the lower end of the second abutment plate (23) and the lower end of the mounting frame (21).

3. The underground fire hydrant with leakage alarm function according to claim 2, characterized in that: The outer side walls of the first abutment plate (22) and the second abutment plate (23) are in contact with the inner side wall of the mounting frame (21); and the lower end of the first abutment plate (22) is in contact with the upper end of the connecting flange (13) via a first spring (25); and the upper end of the second abutment plate (23) is in contact with the lower end of the connecting flange (13) via a second spring (26).

4. The underground fire hydrant with leakage alarm function according to claim 1, characterized in that: The upper end of the first abutment plate (22) and the lower end of the second abutment plate (23) are both connected to a fixing block (27); and the fixing block (27) and the button (31) are arranged on the same axis.

5. The underground fire hydrant with leakage alarm function according to claim 1, characterized in that: The upper and lower ends of the mounting frame (21) are fixedly connected to a fixing frame (15); the alarm device (32) is arranged in the fixing frame (15); and a drying layer (35) is also connected in the fixing frame (15).

6. The underground fire hydrant with leakage alarm function according to claim 1, characterized in that: The connection flange (13) is provided with a threaded hole (131) and a connection hole (132); one end of the connection flange (13) is also provided with a sealing groove (41); and a sealing strip (42) is connected in the sealing groove (41).

7. The underground fire hydrant with leakage alarm function according to claim 1, characterized in that: A closed groove (43) is provided on the outer side of the lower end of the connecting flange (13).

8. The underground fire hydrant with leakage alarm function according to claim 1, characterized in that: The outer ends of the bent pipe (11) and the connecting pipe (12) are connected to a thermal insulation layer (14); and the outer side of the mounting frame (21) is connected to a waterproof layer (28).

Images