CN110820854A - Fire hydrant emergency valve and using method - Google Patents
Fire hydrant emergency valve and using method Download PDFInfo
- Publication number
- CN110820854A CN110820854A CN201911329208.7A CN201911329208A CN110820854A CN 110820854 A CN110820854 A CN 110820854A CN 201911329208 A CN201911329208 A CN 201911329208A CN 110820854 A CN110820854 A CN 110820854A
- Authority
- CN
- China
- Prior art keywords
- water
- safety valve
- fire hydrant
- water outlet
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/14—Draining devices for hydrants
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/025—Taps specially designed for outdoor use, e.g. wall hydrants, sill cocks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/04—Column hydrants
- E03B9/06—Covers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to improvement of a fire hydrant structure, in particular to a fire hydrant emergency valve and a using method, which are applied to emergency use of fire hydrant in fault and water leakage. The method comprises the following steps: the water supply and drainage port is formed in the bottom of the bolt body, the water outlet is formed in the upper end of the bolt body and located on two sides of the bolt body, a push-pull rod is arranged in the center of an inner cavity of the bolt body, and a rotating hand wheel is arranged at the top end of the push-pull rod; a thread structure is arranged on the inner wall of the water outlet and close to the outer edge of the water outlet, and a safety valve is connected in a matched manner through the thread structure; the safety valve is characterized in that a valve clack is arranged inside the central valve body of the safety valve, water outlets are respectively arranged at two ends of the valve body, and an external thread structure matched with a thread structure on the inner wall of the fire hydrant is arranged on the outer surface of the water outlet at one end of the safety valve; the structure is simple, and the operation is convenient; the fire hydrant leakage point on site is processed timely, the water leakage amount is reduced, the operation of the fire-fighting water pipe network is not influenced, and the stability of the fire-fighting water pipe network is ensured.
Description
Technical Field
The invention relates to improvement of a fire hydrant structure, in particular to a fire hydrant emergency valve and a using method, which are applied to emergency use of fire hydrant in fault and water leakage.
Background
The fire hydrant is used in a plurality of large occasions, for example, the water leakage of the fire hydrant of DN100 or DN150 used in a factory is more, and the water leakage point occurs at a bottom water outlet, a water outlet and the like under the long-time use condition; in some cases, the fire hydrant is completely closed but not closed, and the fire hydrant does not need to be replaced temporarily, and the fire hydrant is completely opened and is sealed by a blank cap;
if the normal water leakage problem of the blank cap occurs, the blank cap is fastened again and a rubber cushion is added or a teflon tape is wound.
However, the stifle leaks water, and all parts of the fire hydrant are seriously aged, so the stifle cannot block water flow due to large leakage of the fire hydrant, and the rubber pad in the stifle cannot be replaced when the leakage is large, and the fire fighting water can be treated after the pressure of the fire fighting water is reduced; at this time, the water leakage point cannot be repaired in time.
Disclosure of Invention
In view of the technical problems, the invention provides a fire hydrant emergency valve and a using method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that: fire hydrant emergency valve includes: the water supply and drainage port is formed in the bottom of the bolt body, the water outlet is formed in the upper end of the bolt body and located on two sides of the bolt body, a push-pull rod is arranged in the center of an inner cavity of the bolt body, and a rotating hand wheel is arranged at the top end of the push-pull rod; a thread structure is arranged on the inner wall of the water outlet and close to the outer edge of the water outlet, and a safety valve is connected in a matched manner through the thread structure; the safety valve is characterized in that a valve clack is arranged inside the central valve body of the safety valve, water outlets are respectively arranged at two ends of the valve body, and an external thread structure matched with a thread structure on the inner wall of the fire hydrant is arranged on the outer surface of the water outlet at one end of the safety valve;
a water supply joint communicated with the inner cavity of the bolt body and an underground water supply system is arranged in the water supply and drainage port;
the rotating hand wheel is connected to a push-pull rod arranged in the inner cavity of the bolt body, and the push-pull rod is driven to rotate by rotating the rotating hand wheel;
the lower end of the push-pull rod is provided with a valve core, and the valve core is driven to move up and down through the rotation of the push-pull rod;
in the technical scheme, when the fire hydrant blank cap leaks water and the water leakage amount is large, the blank cap is detached; under the condition that the pressure of water leakage in the fire hydrant is not weakened, the external thread structure of the water outlet at one end of the safety valve is screwed into the water outlet close to the safety valve on the fire hydrant, the flow direction of water flow in the water outlet of the fire hydrant is guided in a direction by screwing the safety valve, the water flow is introduced into the safety valve and the safety valve is controlled to be closed by a wrench arranged on the safety valve to cut off the water flow, so that the water leakage point of the fire hydrant is subjected to emergency treatment in time;
furthermore, the inner surface of the water outlet at the other end of the safety valve is provided with internal threads close to the edge of the outlet, and a connecting water pipe is arranged at the water outlet of the safety valve with an internal thread structure; the water flow can be guided to the outside after flowing through the safety valve through the connecting water pipe;
and the outer surface of the end part of the connecting water pipe is provided with an external thread matched with the internal thread on the safety valve.
The use method of the fire hydrant emergency valve comprises the following steps:
(1) when water leakage occurs at the water outlet of the fire hydrant, the blank cap is arranged on the water outlet, and a rubber cushion is arranged between the blank cap and the water outlet to ensure sealing;
(2) when the water leakage quantity of the water outlet of the fire hydrant is increased, the blank cap is detached;
(3) the safety valve is opened and screwed into the water outlet of the fire hydrant through the external thread structure of the water outlet at one end of the safety valve;
(4) after the safety valve is screwed, the safety valve is closed, and the repair of the water leakage point is completed;
after the step (4) is completed, if water leakage is needed to cause the outside, the connecting water pipe with the external thread structure matched with the internal thread structure of the safety valve is adopted, the connecting water pipe is screwed into the water outlet of the safety valve, the safety valve is opened, and therefore water flows through the safety valve and then flows to the outside through the connecting water pipe.
The invention has the beneficial effects that: the structure is simple, and the operation is convenient; the fire hydrant leakage point on site is processed timely, the water leakage amount is reduced, the operation of the fire-fighting water pipe network is not influenced, and the stability of the fire-fighting water pipe network is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a bolt body, 2, a fire hydrant water outlet, 3, a safety valve, 4, a safety valve water outlet, 5, safety valve water outlet external threads, 6, a fire hydrant blank cap, 7, safety valve water outlet internal threads, 8, an anti-theft chain, 9, a connecting water pipe, 10 and connecting water pipe external threads are adopted.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a hydrant emergency valve includes: the water supply and drainage port is formed in the bottom of the bolt body 1, the water outlet 2 is formed in the upper end of the bolt body 1, the water outlet 2 is located on two sides of the bolt body 1, a push-pull rod is arranged in the center of the inner cavity of the bolt body 1, and a rotating hand wheel is arranged at the top end of the push-pull rod; a thread structure is arranged on the inner wall of the water outlet 2 and close to the outer edge of the water outlet 2, and a safety valve 3 is connected in a matching way through the thread structure; the safety valve 3 is characterized in that a valve clack is arranged in the central valve body, water outlets 4 are respectively arranged at two ends of the valve body, and an external thread 5 structure matched with a thread structure on the inner wall of the fire hydrant is arranged on the outer surface of the water outlet 4 at one end of the safety valve 3;
in the technical scheme, when the fire hydrant blank cap 6 leaks water and the water leakage amount is large, the blank cap 6 is detached; under the condition that the water leakage pressure in the fire hydrant is not weakened, the external thread 5 structure of the water outlet 4 at one end of the safety valve 3 is screwed into the water outlet 2, close to the safety valve 3, of the fire hydrant, the safety valve 3 is screwed in to provide direction guidance for the flow direction of water flow in the water outlet 2 of the fire hydrant, the water flow is introduced into the safety valve 3, the safety valve 3 is controlled to be closed through a wrench arranged on the safety valve, the water flow is cut off, and therefore the water leakage point of the fire hydrant is subjected to emergency treatment in time;
furthermore, the inner surface of the water outlet 4 at the other end of the safety valve 3 is provided with an internal thread 7 close to the edge of the water outlet, and the water outlet 4 of the safety valve with the internal thread 7 structure is provided with a connecting water pipe 9; the water flow can be guided to the outside after flowing through the safety valve 3 through the connecting water pipe 9;
and the outer surface of the end part of the connecting water pipe 9 is provided with an external thread 10 matched with the internal thread 7 on the safety valve.
The use method of the fire hydrant emergency valve comprises the following steps:
(1) when water leakage occurs at the water outlet 2 of the fire hydrant, the blank cap 6 is arranged on the water outlet 2, and a rubber cushion is arranged between the blank cap 6 and the water outlet 2 to ensure sealing;
(2) when the water leakage of the fire hydrant water outlet 2 is increased, the blank cap 6 is detached;
(3) the safety valve 3 is opened and screwed into the water outlet 2 of the fire hydrant through the external thread 5 structure at the water outlet at one end of the safety valve 3;
(4) after the safety valve 3 is screwed, the safety valve 3 is closed, and the repair of the water leakage point is completed;
after the step (4) is completed, if water leakage is needed to cause the outside, the connecting water pipe 9 with the external thread structure matched with the safety valve internal thread structure 7 is adopted, the connecting water pipe 9 is screwed into the safety valve water outlet 4, the safety valve 3 is opened, and therefore water flows to the outside through the connecting water pipe 9 after flowing through the safety valve 3.
Claims (8)
1. Fire hydrant emergency valve, its characterized in that includes: the water supply and drainage port is formed in the bottom of the bolt body, the water outlet is formed in the upper end of the bolt body and located on two sides of the bolt body, a push-pull rod is arranged in the center of an inner cavity of the bolt body, and a rotating hand wheel is arranged at the top end of the push-pull rod; a thread structure is arranged on the inner wall of the water outlet and close to the outer edge of the water outlet, and a safety valve is connected in a matched manner through the thread structure; the fire hydrant is characterized in that a valve clack is arranged inside the central valve body of the safety valve, water outlets are formed in two ends of the valve body respectively, and an external thread structure matched with a thread structure of the inner wall of the fire hydrant is arranged on the outer surface of the water outlet at one end of the safety valve.
2. A fire hydrant emergency valve according to claim 1, wherein: and a water supply joint communicated with the inner cavity of the bolt body and an underground water supply system is arranged in the water supply outlet.
3. A fire hydrant emergency valve according to claim 1, wherein: the rotating hand wheel is connected to a push-pull rod arranged in the inner cavity of the bolt body, and the push-pull rod is driven to rotate by rotating the rotating hand wheel.
4. A fire hydrant emergency valve according to claim 1, wherein: the lower end of the push-pull rod is provided with a valve core, and the valve core is driven to move up and down through the rotation of the push-pull rod.
5. A fire hydrant emergency valve according to any one of claims 1 to 4, wherein: the inner surface of the water outlet at the other end of the safety valve is provided with internal threads close to the edge of the outlet, and the water outlet of the safety valve with an internal thread structure is provided with a connecting water pipe; the water flow can be guided to the outside after flowing through the safety valve through the connecting water pipe.
6. A fire hydrant emergency valve according to claim 5, wherein: and the outer surface of the end part of the connecting water pipe is provided with an external thread matched with the internal thread on the safety valve.
7. A method of using the hydrant emergency valve of claim 1, comprising:
(1) when water leakage occurs at the water outlet of the fire hydrant, the blank cap is arranged on the water outlet, and a rubber cushion is arranged between the blank cap and the water outlet to ensure sealing;
(2) when the water leakage quantity of the water outlet of the fire hydrant is increased, the blank cap is detached;
(3) the safety valve is opened and screwed into the water outlet of the fire hydrant through the external thread structure of the water outlet at one end of the safety valve;
(4) and after the safety valve is screwed, closing the safety valve to finish the repair of the water leakage point.
8. The method of using a hydrant emergency valve according to claim 7, wherein: after the step (4) is completed, if water leakage is needed to cause the outside, the connecting water pipe with the external thread structure matched with the internal thread structure of the safety valve is adopted, the connecting water pipe is screwed into the water outlet of the safety valve, the safety valve is opened, and therefore water flows through the safety valve and then flows to the outside through the connecting water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329208.7A CN110820854A (en) | 2019-12-20 | 2019-12-20 | Fire hydrant emergency valve and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911329208.7A CN110820854A (en) | 2019-12-20 | 2019-12-20 | Fire hydrant emergency valve and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110820854A true CN110820854A (en) | 2020-02-21 |
Family
ID=69546064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911329208.7A Pending CN110820854A (en) | 2019-12-20 | 2019-12-20 | Fire hydrant emergency valve and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110820854A (en) |
-
2019
- 2019-12-20 CN CN201911329208.7A patent/CN110820854A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104329485B (en) | A kind of Multifunctional combined valve | |
| CN205100930U (en) | Multistage preventer pressure testing system of well head and pressure testing device thereof | |
| CN212203579U (en) | Pressure relief type air bag device for pipeline maintenance | |
| CN201326869Y (en) | Inflatable closure plug | |
| CN211571852U (en) | Fire hydrant emergency valve | |
| CN110820854A (en) | Fire hydrant emergency valve and using method | |
| CN104776254A (en) | Differential type exhaust valve | |
| CN209115709U (en) | A kind of valve convenient to overhaul | |
| CN209270706U (en) | A kind of indoor fire hydrant with fast connection function | |
| CN201166229Y (en) | Double-safety seal chucking appliance | |
| CN212839464U (en) | Gate valve | |
| CN204573221U (en) | Differential type outlet valve | |
| CN208966733U (en) | A kind of siphon pumping equipment | |
| CN206093022U (en) | Gate valve is opened and close to concealed in one end flange telescopic | |
| CN207213266U (en) | A kind of automatic drip water valve | |
| CN115183049B (en) | Valve head safety alarm | |
| CN212407644U (en) | Valve core assembly of ball valve | |
| CN216479617U (en) | Water purification pipe breaks emergent transformation device | |
| CN204784678U (en) | Overhead tank | |
| CN213088795U (en) | PPR latus rectum gate valve | |
| CN203499616U (en) | Simple wellhead | |
| CN202280446U (en) | Three-way flow guider of wellhead | |
| CN214305480U (en) | Self-sealing valve cover | |
| CN220118665U (en) | Tubular valve with small valve plate fully encapsulated | |
| CN219263239U (en) | All-metal hard-seal ball valve with five eccentric structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |