CN211472714U

CN211472714U - Outdoor fire hydrant

Info

Publication number: CN211472714U
Application number: CN201921057482.9U
Authority: CN
Inventors: 黄志鹏; 王日升; 傅成珠; 陈瑞金; 陈德兴
Original assignee: Fujian Tianguang Fire Fighting Co ltd
Current assignee: Fujian Tianguang Fire Fighting Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-09-11
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses an outdoor fire hydrant, including the bolt lid, the bolt body, the valve rod, a reset spring, the drainage subassembly, the disk seat, valve clack subassembly and valve body, be equipped with valve clack subassembly and disk seat in the valve body, the drainage subassembly is established on the disk seat, the guide bar cooperates with the guide through-hole of disk seat, the valve clack subassembly is driven to move from top to bottom when the valve rod moves, when the valve clack subassembly moves upwards, the fire hydrant closes on the valve cooperation chamber in valve clack subassembly butt, the valve clack subassembly pushes up the guide bar, the seal block leaves the first end of first apopore, remaining water in the bolt body flows out through first apopore and drainage through-hole, the valve clack subassembly moves downwards, the valve clack subassembly leaves valve cooperation chamber, the fire hydrant is opened the guide bar and is fallen down, the seal block keeps off the first end at first apopore, first apopore and drainage through-hole are sealed, the drainage subassembly is opened and is not directly relied on the spring, need not use the spring of, the production and the maintenance are both convenient.

Description

Outdoor fire hydrant

Technical Field

The utility model relates to a fire-fighting equipment field especially relates to an outdoor fire hydrant.

Background

In the existing outdoor fire hydrant, a double-flange bent pipe is arranged below a valve body and is used for being connected with a water supply pipeline, a drain valve of the existing outdoor fire hydrant is arranged on the valve body, the function of the drain valve for draining water is realized mainly by the elasticity of a spring, when the water pressure in the outdoor fire hydrant is less than 0.1MPa, the spring in the drain valve pushes a valve clack open, and the drain valve is opened for draining water; when the outdoor fire hydrant is opened, the water pressure in the hydrant body is more than or equal to 0.1MPa, the water pressure pushes the valve clack of the drain valve and overcomes the spring elasticity of the drain valve, the drain valve is closed, the opening of the drain valve is directly controlled by the elasticity of the spring, when the outdoor fire hydrant with different heights is closed, the hydrostatic pressure of the drain valves of the fire hydrants with different specifications is different, the drainage opening needs different spring elasticity, different spring elasticity needs to be realized by using springs with different specifications, and the production and maintenance are troublesome because the spring specifications are different.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a production and maintenance is comparatively convenient novel outdoor fire hydrant.

In order to achieve the above purpose, the solution of the present invention is:

an outdoor fire hydrant, its characterized in that: the water draining valve comprises a bolt cover, a bolt body, a valve rod, a first reset spring, a water draining component, a valve seat, a valve clack component and a valve body, wherein the bolt cover is arranged at the upper end of the bolt body, the lower end of the bolt body is fixedly connected with the upper end of the valve body, the bolt body is communicated with the valve body, the valve body is provided with a water inlet and a water draining through hole, the valve seat is fixedly arranged in the valve body, a valve rod hole, a water outlet through hole and a water draining cavity are arranged on the valve seat, the valve rod hole penetrates through the valve seat, the water outlet through hole and the water draining cavity are respectively arranged on different areas of the valve seat, a first water outlet hole and a guiding through hole are arranged on the lower bottom surface of the water draining cavity, the first end of the first water outlet hole is positioned on the lower bottom surface of the water draining cavity, the second end of the first water outlet hole, a valve matching cavity is formed in the lower side of the valve seat;

the valve rod is sleeved with the first return spring, the lower end of the first return spring abuts against the valve seat, the upper end of the first return spring abuts against the bolt cover, the valve rod penetrates through the valve rod hole in an up-and-down sliding mode, the valve clack assembly is fixed to the lower end of the valve rod, and the shape of the valve clack assembly is matched with that of the valve matching cavity;

the drainage assembly is arranged on the valve seat and comprises a guide rod, a sealing block, a drainage valve clack and a second reset spring, the drainage valve clack is arranged at one end of the guide rod, the guide rod is provided with a limiting block, the limiting block is positioned at the other end of the guide rod, the sealing block is fixed on one side, facing the guide rod, of the drainage valve clack, and the second reset spring is sleeved outside the guide rod; one end of the second return spring is abutted to the lower surface of the valve seat, and the other end of the second return spring is abutted to the limiting block.

The drainage valve clack set up in the drainage intracavity, the guide bar slides and wears to locate the direction through-hole, sealed piece with first apopore corresponds arranges, the stopper is located valve cooperation is extraventricular.

Further, a third sealing ring is arranged between the bolt body and the valve body.

Furthermore, a first sealing ring and a second sealing ring are arranged between the valve seat and the valve body.

Furthermore, a sealing rubber sleeve is sleeved on the outward peripheral edge of the valve clack assembly.

Furthermore, the number of the guide rods is two, and the number of the guide through holes is two.

Further, the valve seat is in threaded connection with the valve body.

Furthermore, an annular groove is formed in the inner side wall of the valve body, and the water drainage through hole is formed in the annular groove. After the structure is adopted, the utility model has the advantages of as follows: the valve body is internally provided with a valve clack component and a valve seat, the drainage component is arranged on the valve seat, a guide rod is matched with a guide through hole of the valve seat, the valve clack component is driven to move up and down when the valve rod moves, the valve clack component is abutted against a valve matching cavity, the fire hydrant is closed, the guide rod is pushed upwards by the valve clack component at the moment, the sealing block is separated from the first end of the first water outlet hole, residual water in the hydrant body flows out through the first water outlet hole and the drainage through hole, when the valve clack component moves downwards, the valve clack component is separated from the valve matching cavity, the fire hydrant is opened, the guide rod falls at the moment, the sealing block is blocked at the first end of the first water outlet hole, the first water outlet hole and the drainage through hole are closed, the valve clack component is driven by the valve rod in the process, the drainage in the fire hydrant can be realized, the drainage component is opened without directly finished according to different heights of the fire, therefore, the production and the maintenance are convenient.

Drawings

FIG. 1 is a schematic view of a partial cross-sectional structure of an outdoor fire hydrant according to the present invention;

FIG. 2 is a schematic cross-sectional structural view of the valve seat of the present invention;

fig. 3 is a schematic top view of the valve seat of the present invention;

FIG. 4 is a schematic cross-sectional structural view of the sealing block and the drainage valve flap of the valve seat of the present invention;

fig. 5 is a schematic top view of the drainage valve flap of the present invention;

fig. 6 is a schematic structural view of the drainage assembly of the present invention;

fig. 7 is a schematic view of a partial cross-sectional structure of a valve rod, a first return spring, a drainage assembly, a valve seat and a valve flap assembly when the outdoor fire hydrant of the present invention is closed;

fig. 8 is a schematic view of a partial cross-sectional structure of a valve rod, a first return spring, a drainage assembly, a valve seat and a valve flap assembly when the outdoor fire hydrant of the present invention is opened;

in the figure: the water draining valve comprises a bolt cover 1, a bolt body 2, a valve rod 3, a first return spring 4, a water draining assembly 5, a valve seat 6, a valve clack assembly 7, a valve body 8, a nut 9, a bolt 10, a water inlet 11, a water draining through hole 12, a valve rod hole 13, a water outlet through hole 14, a water draining cavity 15, a first water outlet hole 16, a guide through hole 17, a guide rod 18, a second return spring 19, a sealing block 20, a water draining valve clack 21, a limiting block 22, an O-shaped sealing ring 23, a sealing rubber sleeve 24 and an annular groove 25.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1-8, an outdoor fire hydrant includes a hydrant cover 1, a hydrant body 2, a valve rod 3, a first return spring 4, a water drainage assembly 5, a valve seat 6, a valve flap assembly 7 and a valve body 8, wherein the hydrant body 2 is vertically arranged, the hydrant cover 1 is arranged at the upper end of the hydrant body 2, the lower end of the hydrant body 2 and the upper end of the valve body 8 are integrally connected with a flange, the two flanges are fixedly connected through a nut 9 and a bolt 10, the inner cavity of the hydrant body 2 is communicated with the inner cavity of the valve body 8, the valve body 8 is provided with a water inlet 11, a water drainage through hole 12 and an annular groove 25, the annular groove 25 is arranged on the inner side wall of the valve body 2, the annular groove 25 is positioned above the water inlet 11, the water drainage through hole 12 is positioned at the bottom of the annular groove 25, the valve seat 6 is fixedly arranged in the valve body 8, the outer side surface of the periphery of the valve seat, be provided with interior screw thread section on valve body 8's the inside wall, above-mentioned interior screw thread section,

disk seat

6 and 8 threaded connection of valve body, be provided with valve rod hole 13 on the disk seat 6, outlet port 14 and drainage chamber 15, valve rod hole 13 is located disk seat 6's axis position, outlet port 14 and drainage chamber 15 are vertical respectively to be seted up on disk seat 6's different regions, drainage chamber 15's opening sets up, first apopore 16 and direction through-hole 17 have been seted up to drainage chamber 15's lower bottom surface, direction through-hole 17 is the vertical straight hole of seting up, the first end of first apopore 16 is located drainage chamber 15's lower bottom surface, the second end of first apopore 16 is located disk seat 6's side, first apopore 16 switches on with ring channel 25 mutually, disk seat 6's side is.

Drainage subassembly 5 sets up on disk seat 6, drainage subassembly 5 includes guide bar 18, second reset spring 19, sealed piece 20, drainage valve clack 21 and stopper 22, guide bar 18 is the round bar, drainage valve clack 21 is rectangular form, the quantity of guide bar 18 is two, the quantity of second reset spring 19 is two, drainage valve clack 21 sets up the one end at two guide bar 18, the other end of two guide bar 18 all sets up a stopper 22, every guide bar 18 corresponds the cover respectively outward and establishes a second reset spring 19, sealed piece 20 is fixed to be set up in drainage valve clack 21 towards one side of guide bar 18.

Drainage valve clack 21 sets up in drainage chamber 15, and the quantity of guiding through hole 17 is two, and two guide bar 18 slide respectively and wear to locate two guiding through hole 17 in, the one end butt of second reset spring 19 in the lower surface of disk seat 6, the other end butt of second reset spring 19 stopper 22 on the corresponding guide bar 18, stopper 22 are located valve cooperation is extraventricular, and sealed piece 20 is corresponding with first apopore 16, drives sealing 20 when guide bar 18 downstream and blocks up on the first end of first apopore 16.

Valve rod 3 is located to first reset spring 4 cover, and first reset spring 4 is the reset spring who uses in the fire hydrant of current, and its setting mode is unanimous with the reset spring's that uses in the fire hydrant of current setting mode: the upper end butt of first reset spring 4 is in the bonnet 1, and the lower extreme butt of first reset spring 4 is in disk seat 6, and valve rod 3 slides from top to bottom and wears to locate valve rod hole 13, and valve clack subassembly 7 is fixed in the lower extreme of valve rod 3, the shape of valve clack subassembly 7 with the shape phase-match in valve cooperation chamber, further, the outward week of valve clack subassembly 7 is overlapped and is equipped with sealing rubber sleeve 24.

Further, a third sealing ring is arranged between the bolt body 2 and the valve body 8, a first sealing ring and a second sealing ring are arranged between the valve seat 6 and the valve body 8, the first sealing ring and the second sealing ring are respectively located on the upper side and the lower side of the first water outlet hole, and the first sealing ring, the second sealing ring and the third sealing ring are O-shaped sealing rings 23.

The utility model discloses when using, valve rod 3 drives valve clack subassembly 7 and is the up-and-down motion during the motion, and when valve clack subassembly 7 upward movement was to extreme position, valve clack subassembly 7 butt was in valve cooperation was in the chamber, the fire hydrant was closed, and valve clack subassembly 7 pushes up guide bar 18 upwards this moment, and the first end of first apopore 16 is kept away from to sealed piece, and remaining water passes through drainage through hole 12, ring channel 25 and first apopore 16 and flows out in the bolt body 2, and when valve clack subassembly 7 downstream, valve clack subassembly 7 left valve cooperation chamber, the fire hydrant was opened, and guide bar 18 fell this moment, and sealed piece 20 keeps off the first end at first apopore 16, and first apopore 16 and drainage through hole seal.

The above embodiments and drawings do not limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be considered as departing from the scope of the present invention.

Claims

1. An outdoor fire hydrant, its characterized in that: the water draining valve comprises a bolt cover, a bolt body, a valve rod, a first reset spring, a water draining component, a valve seat, a valve clack component and a valve body, wherein the bolt cover is arranged at the upper end of the bolt body, the lower end of the bolt body is fixedly connected with the upper end of the valve body, the bolt body is communicated with the valve body, the valve body is provided with a water inlet and a water draining through hole, the valve seat is fixedly arranged in the valve body, a valve rod hole, a water outlet through hole and a water draining cavity are arranged on the valve seat, the valve rod hole penetrates through the valve seat, the water outlet through hole and the water draining cavity are respectively arranged on different areas of the valve seat, a first water outlet hole and a guiding through hole are arranged on the lower bottom surface of the water draining cavity, the first end of the first water outlet hole is positioned on the lower bottom surface of the water draining cavity, the second end of the first water outlet hole, a valve matching cavity is formed in the lower side of the valve seat;

the drainage assembly is arranged on the valve seat and comprises a guide rod, a sealing block, a drainage valve clack and a second reset spring, the drainage valve clack is arranged at one end of the guide rod, the guide rod is provided with a limiting block, the limiting block is positioned at the other end of the guide rod, the sealing block is fixed on one side, facing the guide rod, of the drainage valve clack, and the second reset spring is sleeved outside the guide rod; one end of the second return spring abuts against the lower surface of the valve seat, and the other end of the second return spring abuts against the limiting block;

2. An outdoor fire hydrant according to claim 1 in which: and a third sealing ring is arranged between the bolt body and the valve body.

3. An outdoor fire hydrant according to claim 1 in which: a first sealing ring and a second sealing ring are arranged between the valve seat and the valve body.

4. An outdoor fire hydrant according to claim 1 in which: the outward periphery of the valve clack component is sleeved with a sealing rubber sleeve.

5. An outdoor fire hydrant according to claim 1 in which: the number of the guide rods is two, and the number of the guide through holes is two.

6. An outdoor fire hydrant according to claim 1 in which: the valve seat is in threaded connection with the valve body.

7. An outdoor fire hydrant according to claim 1 in which: an annular groove is formed in the inner side wall of the valve body, and the water drainage through hole is formed in the annular groove.