Anti-freezing ground fire hydrant

Abstract

The utility model discloses an anti-freezing overground fire hydrant, and relates to the technical field of fire hydrants. The fire hydrant comprises a fire hydrant body and a valve body, a threaded rod is rotationally installed in the fire hydrant body, a threaded sleeve is arranged at the bottom end of the threaded rod in a threaded sleeving mode, a valve rod is installed at the bottom end of the threaded sleeve, a conical plunger is fixedly arranged at the bottom end of the valve rod, a drainage pipe is arranged on the outer side of the valve body, and a drainage assembly is arranged at one end of the drainage pipe. The driving end of the electric cylinder drives the connecting plate to move through the telescopic rod, the connecting plate drives the top plate to move through the top rod, the valve element and the top plate move synchronously through water pressure, water enters the cavity through the drainage pipe and is drained, and therefore the situation that manual drainage efficiency is low can be avoided, and the purpose of automatic drainage is achieved; the guide rod is driven by the fixing plate to move on the guide plate to keep the threaded sleeve moving stably, and then the valve rod moving stably is kept, so that the adjusting stability can be improved, and the purpose of convenient adjustment is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire hydrant, specifically is a kind of anti-freezing ground fire hydrant. BACKGROUND

[0002] Fire hydrant is also called fire hydrant, a kind of fixed fire-fighting facilities, fire hydrant is divided into indoor fire hydrant and outdoor fire hydrant, outdoor fire hydrant is divided into underground fire hydrant and ground fire hydrant, wherein ground fire hydrant is frozen in winter when using main body water, which leads to fire hydrant cannot be used, which needs to be anti-frozen;

[0003] Ground fire hydrant is mostly drained in winter to prevent freezing the water in the main body of fire hydrant, and the current ground fire hydrant mostly needs to be manually drained, which not only increases the workload, but also has low efficiency. UTILITY MODEL CONTENT

[0004] In order to solve the problem of low efficiency of manually draining the water in the main body of ground fire hydrant; the purpose of the utility model is to provide an anti-freezing ground fire hydrant.

[0005] To solve the above technical problems, the utility model discloses the following technical scheme: a kind of anti-freezing ground fire hydrant, including fire hydrant main part and valve body, the valve body is installed at the bottom of fire hydrant main part, the inside rotation of fire hydrant main part is equipped with threaded rod, the bottom end of threaded rod is threadedly equipped with threaded sleeve, the bottom end of threaded sleeve is equipped with valve stem, the bottom end of valve stem is fixed with conical plunger, the conical plunger is located in valve body, the outside of fire hydrant main part is equipped with the symmetric distribution of fire water suction, the outside of fire hydrant main part is equipped with water hose connecting mouth, the outside of valve body is equipped with drain pipe, one end of drain pipe is equipped with drainage assembly;The drainage assembly includes cavity and shell, the shell is fixedly installed on cavity, the cavity is installed at one end of drain pipe, the inside of cavity is equipped with valve core, the valve core cover is equipped on the water inlet end of cavity, one end of shell is movably penetrated by top rod, the end of top rod close to cavity is fixed with top plate, the convex of top plate is movably inserted in one end of valve core, the outside of top rod is movably equipped with limit plate, the end of top rod away from top plate is fixed with connecting plate, one side of connecting plate is fixedly equipped with the symmetric distribution of telescopic rod, one end of shell is fixedly equipped with the symmetric distribution of electric cylinder, the drive end of electric cylinder is fixedly connected with the telescopic end of telescopic rod, the bottom end of valve body is equipped with elbow pipe, the outside of elbow pipe is fixedly equipped with support seat, by elbow pipe can be conveniently connected with external water inlet pipe, by support seat can support elbow pipe, guiding disc is installed between the cavity and shell, one end of valve core is movably inserted in guiding disc, by guiding disc can keep valve core moving stable, the outside of cavity is equipped with water outlet pipe, the water outlet pipe is communicated with drainage ditch by connecting pipe, by water outlet pipe can conveniently drain, the outside of top rod is movably equipped with spring, the both ends of spring are fixedly connected with the opposite side of top plate and limit plate respectively, by spring elastic force drives top plate reset, the valve cover of fire hydrant main part is rotatably equipped with operating rod, the bottom end of operating rod is fixedly connected with the top end of threaded rod, by operating rod can conveniently rotate threaded rod, the drain pipe is inclined downward, by being inclined downward can conveniently drain.

[0006] Preferably, the outside of the threaded sleeve is fixedly provided with a fixed plate, the upper surface of the fixed plate is fixedly provided with a guide rod, the inner wall of the fire hydrant main body is fixedly provided with a guide plate, one end of the guide rod movably penetrates the guide plate.

[0007] Compared with the prior art, the utility model has the beneficial effects that:

[0008] 1, by the drive end of electric cylinder through telescopic rod drives connecting plate to move, connecting plate moves through top rod, by water pressure makes valve core and top plate synchronous movement, water enters cavity and is discharged through drain pipe, so as to avoid the low efficiency of manual drainage, so as to achieve the purpose of automatic drainage;

[0009] 2, by fixed plate drive guide rod on the guide plate to move to keep the threaded sleeve stable, and then keep the valve stem stable, so you can improve the stability of the adjustment, so as to achieve the purpose of convenient adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of these drawings.

[0011] Fig. 1 The structure of the present application is shown in the figure.

[0012] Fig. 2 The structure of the present application is shown in the figure.

[0013] Fig. 3 The structure of the present application is shown in the figure.

[0014] In the figure: 1, fire hydrant main body; 2, drainage assembly; 21, cavity; 22, shell; 23, valve core; 24, guide disc; 25, top rod; 26, top plate; 27, spring; 28, limit plate; 29, connecting plate; 210, water outlet pipe; 211, electric cylinder; 212, telescopic rod; 3, valve body; 4, water hose connection; 5, fire suction port; 6, drain pipe; 7, threaded rod; 8, threaded sleeve; 9, valve stem; 10, conical plunger; 11, fixed plate; 12, guide rod; 13, guide plate; 14, elbow; 15, support seat; 16, operating rod. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the present application will be described clearly and completely in the following, obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0016] Embodiment: as Figs. 1-3The utility model provides an anti -freezing type ground fire hydrant, including fire hydrant main body 1 and valve body 3, valve body 3 installs at the bottom of fire hydrant main body 1, the inside rotation of fire hydrant main body 1 is equipped with threaded rod 7, and the bottom end threaded sleeve of threaded rod 7 is equipped with threaded sleeve 8, and the bottom end of threaded sleeve 8 is equipped with valve stem 9, and the bottom end fixed of valve stem 9 is equipped with conical plunger 10, and conical plunger 10 is located in valve body 3, and the outside of fire hydrant main body 1 is equipped with the symmetrical distribution of fire water suction mouth 5, and the outside of fire hydrant main body 1 is equipped with water hose connecting mouth 4, and the outside of valve body 3 is equipped with drain pipe 6, and one end of drain pipe 6 is equipped with drainage assembly 2, drainage assembly 2 includes cavity 21 and shell 22, shell 22 is fixedly installed on cavity 21, and cavity 21 is installed at one end of drain pipe 6, and the inside of cavity 21 is equipped with valve core 23, and valve core 23 covers and is equipped on the water inlet end of cavity 21, one end of shell 22 is movably penetrated by top rod 25, one end of top rod 25 close to cavity 21 is fixedly equipped with top plate 26, and the protruding of top plate 26 is movably inserted in one end of valve core 23, and the outside of top rod 25 movably is equipped with limit plate 28, and one end of top rod 25 away from top plate 26 is fixedly equipped with connecting plate 29, and one side of connecting plate 29 is fixedly equipped with the symmetrical distribution of telescopic rod 212, and one end of shell 22 is fixedly equipped with the symmetrical distribution of electric cylinder 211, and the drive end of electric cylinder 211 is fixedly connected with the telescopic end of telescopic rod 212, threaded rod 7, threaded sleeve 8, conical plunger 10 and other structures in fire hydrant main body 1 are made of 304 stainless steel material, and the drive end of electric cylinder 211 drives connecting plate 29 to move through telescopic rod 212, and connecting plate 29 drives top rod 25 to move, and top rod 25 drives top plate 26 to move, and top plate 26 moves out from valve core 23, simultaneously, the pressure of water in drain pipe 6 makes valve core 23 move synchronously with top plate 26 in guide disc 24, and the water in fire hydrant main body 1 enters cavity 21 through drain pipe 6 and is discharged, so that the water in fire hydrant is prevented from freezing in winter and affecting use, the bottom end of valve body 3 is equipped with elbow pipe 14, the outside of elbow pipe 14 is fixedly equipped with support seat 15, and the elbow pipe 14 can be conveniently connected with external water inlet pipe, and the support seat 15 can support elbow pipe 14, guide disc 24 is installed between cavity 21 and shell 22, one end of valve core 23 is movably inserted in guide disc 24, and guide disc 24 can keep valve core 23 moving stably, water outlet pipe 210 is installed on the outside of cavity 21, water outlet pipe 210 communicates with drainage ditch through connecting pipe, and water outlet pipe 210 can conveniently drain water, spring 27 is movably equipped on the outside of top rod 25, and the both ends of spring 27 are fixedly connected with the opposite side of top plate 26 and limit plate 28 respectively, and spring 27 elastic force drives top plate 26 to reset, operating rod 16 is rotatably installed on the valve cover of fire hydrant main body 1, the bottom end of operating rod 16 is fixedly connected with the top end of threaded rod 7, and operating rod 16 can conveniently rotate threaded rod 7, drain pipe 6 is downwardly inclined, and can conveniently drain water through the downwardly inclined setting.

[0017] The outer side of the threaded sleeve 8 is fixedly provided with a fixed plate 11, the upper surface of the fixed plate 11 is fixedly provided with a guide rod 12, the inner wall of the fire hydrant body 1 is fixedly provided with a guide plate 13, one end of the guide rod 12 movably penetrates through the guide plate 13, and the guide rod 12 is driven by the fixed plate 11 to move on the guide plate 13, so that the movement of the threaded sleeve 8 is stable.

[0018] Working principle: when the fire hydrant needs to be operated, the sleeve tool is clamped on the operating rod 16, and the operating rod 16 is rotated, the operating rod 16 drives the threaded rod 7 to rotate, the threaded rod 7 drives the threaded sleeve 8 to move, and the threaded sleeve 8 drives the valve rod 9 to move, the valve rod 9 drives the conical plunger 10 to move, so that the conical plunger 10 moves upwards or downwards to control the opening and closing of the fire hydrant.

[0019] When the temperature decreases in winter, the electric cylinder 211 is started, so that the electric cylinder 211 starts to work, the driving end of the electric cylinder 211 drives the connecting plate 29 to move through the telescopic rod 212, the connecting plate 29 drives the jacking rod 25 to move, the jacking rod 25 drives the top plate 26 to move, at the same time, the top plate 26 compresses the spring 27, the spring 27 generates elastic force, the top plate 26 moves out of the valve core 23, at the same time, the pressure of water in the drain pipe 6 drives the valve core 23 to move in the guide disc 24 synchronously with the top plate 26, water in the fire hydrant body 1 enters the cavity 21 through the drain pipe 6, and is discharged into a drainage ditch through the connecting pipe from the water outlet pipe 210, so that the water in the fire hydrant is prevented from freezing in winter.

[0020] When the pressure of the fire hydrant body 1 is too large, the pressure of water in the drain pipe 6 drives the valve core 23 to move in the guide disc 24, the valve core 23 drives the top plate 26 to move synchronously, at the same time, the top plate 26 compresses the spring 27, the spring 27 generates elastic force, the top plate 26 drives the jacking rod 25 to move, the jacking rod 25 drives the connecting plate 29 to move, the connecting plate 29 drives the telescopic rod 212 to expand, at the same time, the valve core 23 opens the water inlet end in the cavity 21, water in the fire hydrant body 1 enters the cavity 21 through the drain pipe 6, and is discharged into a drainage ditch through the connecting pipe from the water outlet pipe 210, so that pressure relief can be conveniently performed.

[0021] The standard parts used in the application can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection modes of the parts are all conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment are all conventional types in the prior art, and the circuit connection is in a conventional connection mode in the prior art, which will not be described in detail here.

[0022] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A frost-resistant above-ground hydrant comprising a hydrant body (1) and a valve body (3), characterized in that: The valve body (3) is installed at the bottom of the fire hydrant body (1), a threaded rod (7) is rotatably installed in the fire hydrant body (1), a threaded sleeve (8) is threadedly sleeved at the bottom end of the threaded rod (7), a valve rod (9) is installed at the bottom end of the threaded sleeve (8), a conical plunger (10) is fixedly arranged at the bottom end of the valve rod (9), the conical plunger (10) is located in the valve body (3), symmetrical fire water suction ports (5) are arranged on the outer side of the fire hydrant body (1), a water hose connecting port (4) is arranged on the outer side of the fire hydrant body (1), a drain pipe (6) is arranged on the outer side of the valve body (3), and a drainage assembly (2) is arranged at one end of the drain pipe (6). The drainage assembly (2) comprises a cavity (21) and a shell (22), the shell (22) is fixedly installed on the cavity (21), the cavity (21) is installed at one end of the drain pipe (6), a valve core (23) is arranged in the cavity (21), the valve core (23) covers the water inlet end of the cavity (21), a top rod (25) is movably penetrated through one end of the shell (22), a top plate (26) is fixedly arranged at one end of the top rod (25) close to the cavity (21), the top plate (26) is movably inserted into one end of the valve core (23), a limiting plate (28) is movably sleeved on the outer side of the top rod (25), a connecting plate (29) is fixedly arranged at one end of the top rod (25) away from the top plate (26), symmetrical telescopic rods (212) are fixedly arranged on one side of the connecting plate (29), and symmetrical electric cylinders (211) are fixedly arranged at one end of the shell (22). The driving end of the electric cylinder (211) is fixedly connected with the telescopic end of the telescopic rod (212).

2. A freeze-proof above-ground hydrant as defined in claim 1, wherein A fixed plate (11) is fixedly arranged on the outer side of the threaded sleeve (8), a guide rod (12) is fixedly arranged on the upper surface of the fixed plate (11), and a guide plate (13) is fixedly arranged on the inner wall of the fire hydrant body (1). One end of the guide rod (12) is movably penetrated through the guide plate (13).

3. A freeze-proof above-ground hydrant as defined in claim 1, wherein A bend pipe (14) is installed at the bottom end of the valve body (3), and a support seat (15) is fixedly arranged on the outer side of the bend pipe (14).

4. A freeze-proof above-ground hydrant as defined in claim 1, wherein A guide disc (24) is installed between the cavity (21) and the shell (22), and one end of the valve core (23) is movably inserted into the guide disc (24).

5. A freeze-proof above-ground hydrant as defined in claim 1, wherein, A water outlet pipe (210) is installed on the outer side of the cavity (21), and the water outlet pipe (210) communicates with a drainage ditch through a connecting pipe.

6. A freeze-proof above-ground hydrant as defined in claim 1, wherein, A spring (27) is movably sleeved on the outer side of the top rod (25), and the two ends of the spring (27) are fixedly connected with the opposite sides of the top plate (26) and the limiting plate (28) respectively.

7. A freeze-proof above-ground hydrant as defined in claim 1, wherein A control rod (16) is rotatably installed on the valve cover of the fire hydrant body (1), and the bottom end of the control rod (16) is fixedly connected with the top end of the threaded rod (7).

8. A freeze-proof above-ground hydrant as defined in claim 1, wherein, The drain pipe (6) is downwardly inclined.

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