CN220337497U - Fire hydrant that leakproofness is good - Google Patents
Fire hydrant that leakproofness is good Download PDFInfo
- Publication number
- CN220337497U CN220337497U CN202321761705.6U CN202321761705U CN220337497U CN 220337497 U CN220337497 U CN 220337497U CN 202321761705 U CN202321761705 U CN 202321761705U CN 220337497 U CN220337497 U CN 220337497U
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- Prior art keywords
- sealing
- fire hydrant
- annular
- annular sealing
- performance according
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- 238000007789 sealing Methods 0.000 claims abstract description 104
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of fire hydrants, in particular to a fire hydrant with good sealing performance, which is characterized in that: the valve seat comprises a valve seat and a valve clack for blocking a water inlet of the valve seat, a sealing gasket is fixedly arranged on the bottom surface of a pressure piece of the valve clack, an annular sealing plane is arranged at the water inlet in the valve seat, and an annular sealing protruding portion matched with the annular sealing plane in a sealing mode is fixedly arranged on the bottom surface of the sealing gasket. The utility model has simple integral structure, and when the fire hydrant is opened and is to be plugged again, the annular sealing convex part on the valve clack can well ensure the integral sealing effect of the fire hydrant no matter the annular sealing convex part is pressed at any position of the annular sealing plane on the valve seat, thereby avoiding the problem of water seepage.
Description
Technical Field
The utility model relates to the technical field of fire hydrants, in particular to a fire hydrant with good sealing performance.
Background
The fire hydrant is a fixed fire fighting equipment, when encountering fire or other dangerous situations requiring water, water source support is provided, the fire hydrant is usually matched with the valve seat by utilizing the valve clack, so as to realize opening and closing of the water inlet on the valve seat, however, the sealing structure between the valve clack and the valve seat of some existing fire hydrants is shown in fig. 5, generally, an annular sealing copper ring 5 is fixedly arranged at the water inlet 11 in the valve seat 1 and is formed with an annular sealing convex block, a sealing gasket 3 is arranged at the bottom surface of the valve clack 2, the bottom surface of the sealing gasket 3 is a plane, when the valve clack 2 is tightly pressed for the first time to seal the water inlet 11 on the valve seat 1, correspondingly, the annular sealing copper ring 5 on the valve seat 1 also can press the sealing gasket 3 at the bottom surface of the valve clack 2, and can be provided with deep sealing indentations and realize water stop sealing, however, in actual use, when the fire hydrant is restarted, due to the action of water pressure in the fire hydrant, the valve clack 2 is driven by a hand wheel and a valve rod to downwards move, the annular sealing copper ring is inclined and is formed, vertical pressing can not well, thus the sealing effect of the sealing ring on the sealing ring can not be well guaranteed between the sealing rings of the sealing rings is well, and the sealing rings can not be completely guaranteed when the sealing rings are completely pressed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the fire hydrant with a good sealing performance, which has a simple integral structure, and can ensure the integral sealing effect of the fire hydrant no matter whether the annular sealing convex part on the valve clack is pressed at any position of the annular sealing plane on the valve seat finally when the fire hydrant is opened and is plugged again, so that the problem of water seepage is avoided.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a fire hydrant that leakproofness is good, includes disk seat and the valve clack that is used for shutoff disk seat water inlet, the fixed sealing washer that is equipped with in the pressure spare bottom surface of valve clack is equipped with annular sealing plane in water inlet department in the disk seat, sealing washer bottom surface is fixed to be equipped with annular sealing plane matched with annular sealing protruding portion.
Further, the cross section of the annular sealing convex part is in a semicircular shape, a semi-elliptic shape, a square shape or a trapezoid shape.
Further, the gasket is a rubber gasket.
Further, the annular sealing protrusion has a thickness of 4-6mm.
Further, the difference between the outer diameter and the inner diameter of the annular sealing protrusion is 5-8mm.
Further, the sealing gasket and the annular sealing bulge are integrally formed.
Further, the sealing gasket completely covers the bottom surface of the pressure piece, and the peripheral edges of the sealing gasket extend towards the top surface of the pressure piece and cover the top surface of the pressure piece.
Further, the bottom center of the pressure member is recessed inward and formed with a center groove.
Further, the pressure member is disc-shaped.
Further, an annular gasket is fixedly arranged on the annular sealing plane in the valve seat.
As can be seen from the above description, the fire hydrant with good sealing performance provided by the utility model has the advantages of simple integral structure and following advantages: through being provided with annular seal plane in the disk seat, the annular seal protruding portion that sets up on the sealed pad of valve clack bottom surface of cooperation simultaneously, therefore, firstly, in the in-service use, when this fire hydrant is opened the back again and is to be shutoff, even make the valve clack appear slightly slope and partial falling in the in-process of downwardly moving owing to the effect of this fire hydrant internal water pressure, and make the annular seal protruding portion on the valve clack no matter the annular seal plane's on the disk seat of final pressure optional position, the holistic sealed effect of assurance this fire hydrant that can be fine to avoid appearing the problem of infiltration.
Drawings
Fig. 1 is a schematic structural view of a fire hydrant with good sealing performance according to a first embodiment of the present utility model.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
Fig. 3 is a schematic perspective view of a valve flap coated with a gasket.
Fig. 4 is a schematic view of a part of a fire hydrant with good sealing performance according to a second embodiment of the present utility model.
Fig. 5 is a schematic view of a sealing structure of a prior art hydrant.
In the figure: 1-valve seat; 11-water inlet; 12-an annular sealing plane; 2-a valve clack; 21-a pressure member; 211-a central groove; 3-a gasket; 31-an annular sealing boss; 4-annular gaskets; 5-annular sealing copper rings.
Detailed Description
The utility model is further described below by means of specific embodiments.
Example 1
As shown in fig. 1 to 3, the fire hydrant with good sealing performance comprises a valve seat 1 and a valve clack 2 for sealing a water inlet 11 of the valve seat 1, wherein a sealing gasket 3 is fixedly arranged on the bottom surface of a pressure piece 21 of the valve clack 2, an annular sealing plane 12 is arranged in the valve seat 1 at the water inlet 11, and an annular sealing protruding part 31 in sealing fit with the annular sealing plane 12 is fixedly arranged on the bottom surface of the sealing gasket 3.
By arranging the annular sealing plane 12 in the valve seat 1 and simultaneously matching the annular sealing convex part 31 arranged on the sealing gasket 3 on the bottom surface of the valve clack 2, in actual use, when the fire hydrant is opened and is to be plugged again, even if the valve clack 2 is slightly inclined and deflected in the downward moving process due to the action of the water pressure in the fire hydrant, the annular sealing convex part 31 on the valve clack 2 can well ensure the integral sealing effect of the fire hydrant no matter whether the annular sealing plane 12 is pressed at any position on the valve seat 1, so that the problem of water seepage is avoided; in addition, the annular sealing copper ring 5 does not need to be arranged in the valve seat 1, and the production cost is saved.
Preferably, the cross section of the annular sealing protrusion 31 is in a semicircular shape, a semi-elliptical shape, a square shape or a trapezoid shape.
Preferably, the sealing gasket 3 is a rubber sealing gasket, and the rubber sealing gasket can be made of rubber with high wear resistance and high elastic deformation.
Preferably, the thickness of the annular sealing protrusion 31 is 4-6mm, and the difference between the outer diameter and the inner diameter of the annular sealing protrusion 31 is 5-8mm, thereby better ensuring the overall sealing effect.
Further, the gasket 3 is integrally formed with the annular seal boss 31.
In addition, the sealing gasket 3 completely covers the bottom surface of the pressure member 21, and the peripheral edges of the sealing gasket 3 extend towards the top surface of the pressure member 21 and cover the top surface of the pressure member 21.
Further, the bottom center of the pressure member 21 is recessed inward and formed with a center groove 211.
Preferably, the pressing member 21 has a disk shape.
Example two
As shown in fig. 4, the present embodiment is different from the first embodiment in that: the annular gasket 4 is fixedly arranged on the annular sealing plane 12 in the valve seat 1, and the annular gasket 4 can be made of a copper sheet, so that when the water inlet 11 on the valve seat 1 is plugged, the annular sealing convex part 31 on the sealing gasket 3 can be directly pressed on the annular gasket 4 to form a seal.
Other technical features are the same as those of the first embodiment.
The foregoing is merely a few specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the concept should be construed as infringement of the protection scope of the present utility model.
Claims (10)
1. The utility model provides a fire hydrant that leakproofness is good, includes the disk seat and is used for shutoff the valve clack of the water inlet of disk seat, the fixed sealed pad that is equipped with in pressure spare bottom surface of valve clack, its characterized in that: an annular sealing plane is arranged at the water inlet in the valve seat, and an annular sealing protruding part which is in sealing fit with the annular sealing plane is fixedly arranged on the bottom surface of the sealing gasket.
2. The fire hydrant with good sealing performance according to claim 1, wherein: the cross section of the annular sealing convex part is in a semicircular shape, a semi-elliptic shape, a square shape or a trapezoid shape.
3. The fire hydrant with good sealing performance according to claim 1, wherein: the sealing gasket is a rubber sealing gasket.
4. The fire hydrant with good sealing performance according to claim 1, wherein: the thickness of the annular sealing convex part is 4-6mm.
5. The fire hydrant with good sealing performance according to claim 1, wherein: the difference between the outer diameter and the inner diameter of the annular sealing bulge is 5-8mm.
6. The fire hydrant with good sealing performance according to claim 1, wherein: the sealing gasket and the annular sealing bulge are integrally formed.
7. The fire hydrant with good sealing performance according to claim 1, wherein: the sealing gasket completely covers the bottom surface of the pressure piece, and the peripheral edges of the sealing gasket extend towards the top surface of the pressure piece and cover the top surface of the pressure piece.
8. The fire hydrant with good sealing performance according to claim 1, wherein: the bottom center of the pressure member is recessed inward and formed with a center groove.
9. The fire hydrant with good sealing performance according to claim 1, wherein: the pressure piece is disc-shaped.
10. The fire hydrant with good sealing performance according to claim 1, wherein: and an annular gasket is fixedly arranged on the annular sealing plane in the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321761705.6U CN220337497U (en) | 2023-07-05 | 2023-07-05 | Fire hydrant that leakproofness is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321761705.6U CN220337497U (en) | 2023-07-05 | 2023-07-05 | Fire hydrant that leakproofness is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220337497U true CN220337497U (en) | 2024-01-12 |
Family
ID=89460275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321761705.6U Active CN220337497U (en) | 2023-07-05 | 2023-07-05 | Fire hydrant that leakproofness is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220337497U (en) |
-
2023
- 2023-07-05 CN CN202321761705.6U patent/CN220337497U/en active Active
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| GR01 | Patent grant | ||
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