CN112796372A - Anti-collision ground fire hydrant - Google Patents
Anti-collision ground fire hydrant Download PDFInfo
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- CN112796372A CN112796372A CN202110146469.6A CN202110146469A CN112796372A CN 112796372 A CN112796372 A CN 112796372A CN 202110146469 A CN202110146469 A CN 202110146469A CN 112796372 A CN112796372 A CN 112796372A
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- valve
- valve clack
- bolt
- transmission shaft
- clack
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- 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
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- 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 anti-collision overground fire hydrant mainly comprises a hydrant body, a valve body and a valve cover, wherein the valve body and the hydrant body are connected through an anti-collision bolt arranged on the outer side wall, and a reverse lifting type reverse sealing structure assembly is arranged in a cavity of the valve body; the reverse lifting type reverse sealing structure assembly comprises a valve clack transmission shaft, a fully encapsulated valve clack, a valve seat, a spring fixing sleeve and a stainless steel spring; the upper end of the valve clack transmission shaft is provided with a spring fixing sleeve, the lower end of the valve clack transmission shaft is connected with a valve clack support frame through a copper sleeve, a valve seat is arranged on the valve clack support frame, and a fully encapsulated valve clack is arranged in the valve seat; a stainless steel spring is arranged on the valve clack transmission shaft; when the bolt body is impacted by external force, the anti-collision bolt or the bolt body connected with the valve body can absorb impact energy and break rapidly, so that the bolt body and the valve body are protected from being damaged; the valve clack is closed with the valve seat under the action of water pressure in the pipe network and stainless steel spring yellow, so that water source in the pipe network is prevented from leaking, waste of water source is reduced, peripheral facilities of the bolt body are effectively protected, normal domestic water of nearby residents is guaranteed, and urban traffic disorder is avoided; and the maintenance is very convenient after being hit, only need change crashproof bolt can, the maintenance duration is short.
Description
Technical Field
The invention belongs to the technical field of fire hydrants, and particularly relates to an anti-collision type ground fire hydrant which has fewer damaged parts and is very convenient to maintain after being impacted by an external force.
Background
The fire hydrant is mainly used for providing a fire-fighting water source, is a fire-fighting apparatus necessary for dense areas with manholes, such as urban roads, industrial and mining enterprises, institutions, warehouses, markets, schools, hospitals and the like, and particularly needs to be installed in urban areas and areas with few riverways to ensure the requirement of the fire-fighting water source.
Most of fire hydrants are installed outdoors, and the surrounding environment is relatively complex, so in order to make the fire hydrants more striking, the fire hydrants adopt bright-colored bright red enamel paint with hard coating, the periphery of a bolt cover is additionally provided with an engineering group reflective film, and the marks such as night reflection and easy recognition are adopted; however, the fire hydrant is cracked frequently, and once the fire hydrant is cracked, the water flow sprays wine, so that the water resource is greatly wasted.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the anti-collision type ground fire hydrant which is ingenious in structural design, has few parts damaged by the fire hydrant after being impacted by external force and cannot leak water.
The invention discloses an anti-collision overground fire hydrant, which mainly comprises a hydrant body, a valve body and a valve cover, wherein the valve body and the hydrant body are connected through an anti-collision bolt arranged on the outer side wall; the valve body is buried under the ground, and the bolt body is arranged above the ground; the method is characterized in that: the reverse lifting type reverse sealing structure assembly is arranged in the valve body cavity; the reverse-lifting type reverse sealing structure assembly comprises a valve clack transmission shaft, a fully encapsulated valve clack, a valve seat, a spring fixing sleeve and a stainless steel spring; the upper end of the valve clack transmission shaft is provided with a spring fixing sleeve, the lower end of the valve clack transmission shaft is connected with a valve clack support frame through a copper sleeve, a valve seat is arranged on the valve clack support frame, a fully encapsulated valve clack is arranged in the valve seat, and the outer wall of the valve clack support frame is just placed on the inner side of the wall of the inner cavity of the valve body; the fully rubber-coated valve clack is tightly held and mounted with the tail part of the lower end of the valve clack transmission shaft through a stainless steel bolt I; and a stainless steel spring is arranged on the valve clack transmission shaft, one end of the stainless steel spring is fixed in the lower end cavity of the spring fixing sleeve, and the other end of the stainless steel spring is abutted against the copper sleeve.
The spring fixing sleeve is installed at the upper end of the valve clack transmission shaft through a stainless steel bolt II.
The valve rod is arranged in the bolt body cavity, the upper end of the valve rod is connected with the driving screw rod, and the driving screw rod is connected with the special handle for the ground bolt; the lower end of the valve rod is arranged in the upper end cavity of the spring fixing sleeve.
The valve rod is made of 304 stainless steel materials with the wall thickness of 3 mm.
And an automatic drain valve is arranged on the outer side wall of the valve body.
The technical effects of the invention are as follows: compared with the prior art, the bolt body is exposed on the ground, the valve body is buried below the ground, when the bolt body is impacted by external force, the anti-collision bolt or the bolt body connected with the valve body can absorb impact energy and break rapidly at first, and the bolt body and the valve body are protected from being damaged; the valve clack is closed with the valve seat under the action of water pressure in the pipe network and stainless steel spring yellow, so that water source in the pipe network is prevented from leaking, waste of water source is reduced, peripheral facilities of the bolt body are effectively protected, normal domestic water of nearby residents is guaranteed, and urban traffic disorder is avoided; and the maintenance is very convenient after being hit, only need change crashproof bolt can, the maintenance duration is short.
Drawings
The following detailed description is further detailed in conjunction with the accompanying drawings and the detailed description.
FIG. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic view of the valve body and the reverse seal assembly of the present invention.
Fig. 4 is a side view of fig. 3.
In the figure, 1, a spring fixing sleeve; 2. a second stainless steel bolt; 3. a valve body; 4. a valve clack support frame; 5. fully encapsulating the valve clack; 6. a first stainless steel bolt; 7. a valve seat; 8. a copper sleeve; 9. a valve clack transmission shaft; 10. a stainless steel spring; 11. an anti-collision bolt; 12. a plug body; 13. a special handle for the ground bolt; 14. a valve stem; 15. a drive screw; 16. a plug body gasket; 17. an automatic drain valve; 18. bending a flange; 19. a valve body gasket; 20. a valve cover; 21. a water intake.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the anti-collision type ground fire hydrant mainly comprises a hydrant body 12, a valve body 3 and a valve cover 20, wherein the valve body 3 and the hydrant body 12 are connected by an anti-collision bolt 11 arranged on the outer side wall, and the valve cover 20 is installed at the upper end of the hydrant body 12; the valve body 3 is buried under the ground, and the bolt body 12 is arranged to be exposed above the ground, so when the bolt body 12 is impacted by external force, the anti-collision bolt 11 or the bolt body 12 connected with the bolt body 12 and the valve body 3 can absorb the impact energy and break rapidly and first, and each part installed in the inner cavity of the valve body 3 cannot be damaged; the cavity of the valve body 3 is internally provided with a reverse lifting type reverse sealing structure assembly; the reverse lifting type reverse sealing structure assembly comprises a valve clack transmission shaft 9, a full-rubber-coated valve clack 5, a valve seat 7, a spring fixing sleeve 1 and a stainless steel spring 10; the upper end of the valve clack transmission shaft 9 is provided with a spring fixing sleeve 1, the lower end of the valve clack transmission shaft 9 is connected with a valve clack support frame 4 through a copper sleeve 8, a valve seat 7 is arranged on the valve clack support frame 4, and a fully encapsulated valve clack 5 is arranged in the valve seat 7; the outer wall of the valve clack support frame 4 is just placed on the inner side of the inner cavity wall of the valve body 3, and the fully rubber-coated valve clack 5 is tightly held and installed with the tail part of the lower end of a valve clack transmission shaft 9 through a stainless steel bolt I6; a stainless steel spring 10 is arranged on the valve clack transmission shaft 9, one end of the stainless steel spring 10 is fixed in the lower end cavity of the spring fixing sleeve 1, and the other end of the stainless steel spring 10 is abutted against the copper sleeve 8; when the valve clack transmission shaft 9 moves downwards, the stainless steel spring 10 is compressed to drive the fully encapsulated valve clack 5 to move downwards, so that the fully encapsulated valve clack 5 is forced to be separated from the valve seat 7, namely, the fire hydrant is opened at the moment, and water flows in; the downward power of the valve clack transmission shaft 9 drives the driving screw rod 15 to move downwards by means of the rotation of the special handle 13 for the ground bolt, so that the valve rod 14 is pushed to move downwards, and the valve rod 14 is pushed to drive the valve clack transmission shaft 9 to move downwards to compress the stainless steel spring 10.
The upper part of the outer wall of the bolt body 12 is provided with an external water intake 21 for fire fighting water intake.
And a plug sealing gasket 16 is arranged between the plug 12 and the valve body 3, so that water seepage is prevented.
The other end of the valve body 3 is connected with the flange bent pipe 18 for installation and use, and is used as a water conduit joint, and a valve body sealing gasket 19 is arranged between the connection of the valve body 3 and the flange bent pipe 18 to prevent water seepage.
The spring fixing sleeve 1 is installed at the upper end of the valve clack transmission shaft 9 through a stainless steel bolt II 2, and the valve clack transmission shaft 9 moves up and down in the spring fixing sleeve 1.
As shown in fig. 1 and 2, a valve rod 14 is installed in the cavity of the bolt body 12, the upper end of the valve rod 14 is connected with a driving screw 15, and the driving screw 15 is connected with a special handle 13 for the ground bolt; the lower end of the valve rod 14 is arranged in the upper end cavity of the spring fixing sleeve 1; when the special handle 13 for the upper hydrant is pulled anticlockwise, the driving screw rod 15 is driven to rotate, so that the valve rod 14 is pushed downwards, the valve clack transmission shaft 9 is further pushed downwards to compress the stainless steel spring 10, the fully encapsulated valve clack 5 is forced to be separated from the valve seat 7, and the purpose of opening the fire hydrant is achieved; when the fire hydrant is closed, all actions are opposite, the special handle 13 for the upper hydrant is poked clockwise by the plate, the screw rod 15 is driven to rotate upwards, and the elastic force of the stainless steel spring 10 and the pressure of water are utilized to close the fully-encapsulated valve clack 5 and the valve seat 7, so that the reliable sealing of the valve is realized; an automatic drain valve 17 is arranged on the outer side wall of the valve body 3; at the moment, the automatic drain valve 17 on the valve body 3 can drain the residual water in the valve body 3, and the drain valve can be automatically closed when the water pressure in the valve body 3 is reduced to 0.1MPa, so that the functions of rust prevention and freeze prevention are achieved.
The valve rod 14 is made of 304 stainless steel materials with the wall thickness of 3mm, so that the valve rod is long in service life, durable and never deformed.
After the fire hydrant project is installed, the valve body 3 is buried below the ground, the bolt body 12 is exposed above the ground, when the bolt body 12 is impacted by external force, the anti-collision bolt 11 and the bolt body 12 of the bolt body 12 can absorb impact energy and break rapidly at first, and the valve body 3 buried below the ground and the reverse-lifting type reverse sealing structure assembly arranged in the cavity of the valve body 3 are prevented from being damaged, so that water resources in a pipe network cannot leak; when maintenance is needed, the anti-collision bolt 10 or the bolt body 12 can be directly replaced on the ground, and the maintenance time is extremely short; in addition, when the fire hydrant needs to be maintained daily to remove sundries, the bolt body 12 is opened only after the anti-collision bolt 11 is removed, the valve clack device can be taken out very easily for replacement, the cement ground does not need to be damaged, vegetation and the like can be dug out, and in addition, the corrosion resistance effect of the fully rubber-coated valve clack 5 is good, so that the service life of the fully rubber-coated valve clack 5 is long.
Claims (5)
1. The anti-collision overground fire hydrant mainly comprises a hydrant body, a valve body and a valve cover, wherein the valve body and the hydrant body are connected through an anti-collision bolt arranged on the outer side wall, and the valve cover is arranged at the upper end of the hydrant body; the valve body is buried under the ground, and the bolt body is arranged above the ground;
the method is characterized in that: the reverse lifting type reverse sealing structure assembly is arranged in the valve body cavity; the reverse-lifting type reverse sealing structure assembly comprises a valve clack transmission shaft, a fully encapsulated valve clack, a valve seat, a spring fixing sleeve and a stainless steel spring; the upper end of the valve clack transmission shaft is provided with a spring fixing sleeve, the lower end of the valve clack transmission shaft is connected with a valve clack support frame through a copper sleeve, a valve seat is arranged on the valve clack support frame, a fully encapsulated valve clack is arranged in the valve seat, and the outer wall of the valve clack support frame is just placed on the inner side of the wall of the inner cavity of the valve body; the fully rubber-coated valve clack is tightly held and mounted with the tail part of the lower end of the valve clack transmission shaft through a stainless steel bolt I; and a stainless steel spring is arranged on the valve clack transmission shaft, one end of the stainless steel spring is fixed in the lower end cavity of the spring fixing sleeve, and the other end of the stainless steel spring is abutted against the copper sleeve.
2. The anti-collision type ground fire hydrant according to claim 1, wherein: the spring fixing sleeve is installed at the upper end of the valve clack transmission shaft through a stainless steel bolt II.
3. The anti-collision type ground fire hydrant according to claim 1, wherein: the valve rod is arranged in the bolt body cavity, the upper end of the valve rod is connected with the driving screw rod, and the driving screw rod is connected with the special handle for the ground bolt; the lower end of the valve rod is arranged in the upper end cavity of the spring fixing sleeve; when the valve clack transmission shaft moves downwards, the stainless steel spring is compressed to drive the fully-encapsulated valve clack to move downwards, so that the fully-encapsulated valve clack is forced to be separated from the valve seat, namely, the fire hydrant is opened at the moment, and water flows in; and the valve clack transmission shaft drives the driving screw rod to move downwards by means of the rotation of the special handle for the ground bolt, so that the valve rod is pushed to move downwards, and the valve clack transmission shaft is driven by the valve rod to move downwards to compress the stainless steel spring.
4. The anti-collision type ground fire hydrant according to claim 3, wherein: the valve rod is made of 304 stainless steel with the wall thickness of 3 mm.
5. The anti-collision type ground fire hydrant according to claim 1, wherein: an automatic drain valve is arranged on the outer side wall of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110146469.6A CN112796372A (en) | 2021-02-03 | 2021-02-03 | Anti-collision ground fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110146469.6A CN112796372A (en) | 2021-02-03 | 2021-02-03 | Anti-collision ground fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112796372A true CN112796372A (en) | 2021-05-14 |
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ID=75813831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110146469.6A Pending CN112796372A (en) | 2021-02-03 | 2021-02-03 | Anti-collision ground fire hydrant |
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| Country | Link |
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| CN (1) | CN112796372A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502879A (en) * | 2021-06-28 | 2021-10-15 | 福建省邦消消防科技有限公司 | Anti-collision outdoor ground fire hydrant |
| CN114263243A (en) * | 2022-01-23 | 2022-04-01 | 芜湖市金贸流体科技股份有限公司 | Light fire hydrant with locking function and high stability and use method |
-
2021
- 2021-02-03 CN CN202110146469.6A patent/CN112796372A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502879A (en) * | 2021-06-28 | 2021-10-15 | 福建省邦消消防科技有限公司 | Anti-collision outdoor ground fire hydrant |
| CN114263243A (en) * | 2022-01-23 | 2022-04-01 | 芜湖市金贸流体科技股份有限公司 | Light fire hydrant with locking function and high stability and use method |
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