CN211774169U - Outdoor anticorrosion fire hydrant - Google Patents
Outdoor anticorrosion fire hydrant Download PDFInfo
- Publication number
- CN211774169U CN211774169U CN201922317361.XU CN201922317361U CN211774169U CN 211774169 U CN211774169 U CN 211774169U CN 201922317361 U CN201922317361 U CN 201922317361U CN 211774169 U CN211774169 U CN 211774169U
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- valve rod
- fire hydrant
- cover
- ring
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Abstract
The utility model discloses an outdoor anticorrosion fire hydrant that anticorrosives, including the fire hydrant body, the top fixedly connected with top cap of fire hydrant body, the inside of fire hydrant body is provided with the valve rod, the top of valve rod is used to wear the top cap to extend to the outside of top cap, the inside fixed mounting of top cap has the sleeve, the outside of valve rod is located to the sleeve cover, the middle part fixed mounting of sleeve inner chamber has the screw ring, the valve rod is close to the outside on top and has seted up the external screw thread, valve rod and screw ring threaded connection, the upper shield is all installed at telescopic both ends. The utility model discloses an at telescopic both ends installation upper shield, can utilize the inside sealing washer of upper shield to closely laminate to the polished rod position of valve rod, avoid outside water source to dip telescopic inside, and through to pouring into lubricating grease into in the sleeve regularly, can lubricate threaded ring and valve rod, improved convenience and security that the device used.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field, concretely relates to outdoor anticorrosion fire hydrant.
Background
The outdoor fire hydrant is an important component for guaranteeing urban fire safety in China, can quickly provide water source for a fire engine, can be used for extinguishing fire when a fire disaster is in a fire hydrant protection radius range, and has the principle that a valve rod inside the fire hydrant is connected with a thread ring at the top of the fire hydrant through a thread, and the valve rod can be rotated to drive a valve core to move so as to control the opening and closing of a valve;
the prior art has the following defects: the threaded connection department to the valve rod does not effectively protect in the fire hydrant of current, because the valve rod can contact with water when first using, and long-time not used of later stage again, the connecting portion of valve rod and screw ring is corroded and the corrosion very easily takes place, and then influences the threaded connection of valve rod, and the removal of difficult control valve rod when leading to reuse to influence rescue efficiency, have certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an outdoor anticorrosion fire hydrant that anticorrosives, through installing the upper shield at telescopic both ends, can utilize the inside sealing washer of upper shield to closely laminate to the polished rod position of valve rod, avoid outside water source to dip telescopic inside, and through the oil filler point to the interior periodic injection lubricating grease of sleeve, thereby make the screw thread section of screw thread ring and valve rod dip in lubricating grease constantly, further avoided with the water contact, also can carry out fully lubricated to the screw-thread fit of screw thread ring and valve rod simultaneously, with the above-mentioned weak point in the solution technique.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an outdoor anticorrosion fire hydrant, includes the fire hydrant body, the top fixedly connected with top cap of fire hydrant body, the inside of fire hydrant body is provided with the valve rod, the top of valve rod is used to wear the top cap to extend to the outside of top cap, the inside fixed mounting of top cap has the sleeve, the outside of valve rod is located to the sleeve cover, the middle part fixed mounting of sleeve inner chamber has the screw thread ring, the valve rod is close to the outside on top and has seted up the external screw thread, valve rod and screw thread ring threaded connection, the upper cover is all installed at telescopic both ends, and two upper covers all with valve rod sliding connection, the annular has been seted up to the inner wall of upper cover, the internally mounted of annular has the sealing washer, the oil filler point has been seted up to one side on sleeve top, telescopic inside is annotated has lubricating grease.
Preferably, the outer side of the middle part of the sleeve is fixedly connected with a convex ring, and the convex ring is fixedly connected with the top end of the top cover through a bolt assembly.
Preferably, the length of the sleeve is set to a value twice the length of the external thread section on the top of the valve stem.
Preferably, the outer wall at both ends of the sleeve is provided with external threads, the inner cavity of the sleeve cover is provided with internal threads close to one end of the sleeve, and the sleeve cover is in threaded connection with the sleeve.
Preferably, the diameter value of the cross section of the sealing ring is larger than the depth value of the annular groove.
Preferably, the number of the annular grooves in the sleeve cover is three, and the annular grooves are equidistantly distributed on the inner wall of the sleeve cover.
Preferably, the outside cover on sleeve top is equipped with the protective cover, the button is carried to the top fixedly connected with of protective cover.
Preferably, the oil filler point sets up to the screw hole, just the inside threaded connection of oil filler point has sealing screw, the rubber packing ring is installed to the outside one end of sealing screw.
In the technical scheme, the utility model provides a technological effect and advantage:
the utility model discloses an internally mounted sleeve at the top cap, and install the upper shield at telescopic both ends, can utilize the inside sealing washer of upper shield to closely laminate the polished rod position of valve rod, avoid outside water source to dip telescopic inside, thereby screw thread section and the screw thread ring to the valve rod effectively protect, avoid it to take place to corrode or the corrosion with water contact, and set up the oil filler point through one side at sleeve top, and regularly pour into lubricating grease into through the oil filler point in to the sleeve, thereby make the screw thread section of screw thread ring and valve rod dip in lubricating grease constantly, further avoid with water contact, also can fully lubricate the screw-thread fit of screw thread ring and valve rod simultaneously, compare with prior art, the convenience and the security of device use have been improved widely, the practicality of device use has been strengthened.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of a partial structure of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.
Fig. 4 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.
Fig. 5 is a schematic view of the overall structure of the cover of the present invention.
Description of reference numerals:
1. a hydrant body; 2. a top cover; 3. a valve stem; 4. a sleeve; 5. a threaded ring; 6. covering; 7. a convex ring; 8. a protective cover; 9. lifting the button; 10. a ring groove; 11. a seal ring; 12. an oil filler hole; 13. a seal screw; 14. a rubber gasket.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides an outdoor anticorrosion fire hydrant as shown in figures 1-5, which comprises a fire hydrant body 1, wherein the top of the fire hydrant body 1 is fixedly connected with a top cover 2, a valve rod 3 is arranged in the fire hydrant body 1, the top of the valve rod 3 is used for penetrating the top cover 2 and extends to the outside of the top cover 2, a sleeve 4 is fixedly arranged in the top cover 2, the sleeve 4 is sleeved on the outside of the valve rod 3, a threaded ring 5 is fixedly arranged in the middle of the inner cavity of the sleeve 4, an external thread is arranged on the outside of the valve rod 3 close to the top end, the valve rod 3 is in threaded connection with the threaded ring 5, two sleeve covers 6 are arranged at the two ends of the sleeve 4, the two sleeve covers 6 are both in sliding connection with the valve rod 3, an annular groove 10 is arranged on the inner wall of the sleeve cover 6, a sealing ring 11 is arranged in the annular groove 10, an oil filling hole 12 is arranged at, the sleeve 4 is filled with grease.
Further, in the above technical scheme, the outside fixedly connected with bulge loop 7 in sleeve 4 middle part, bulge loop 7 passes through bolt assembly and top fixed connection of top cap 2, and then makes sleeve 4's installation more firm.
Further, in the above technical solution, the length of the sleeve 4 is set to be twice as long as the length of the external thread section at the top of the valve rod 3, so as to ensure that the sleeve 4 can fully protect the thread part of the valve rod 3.
Further, in the above technical scheme, the outer walls of the two ends of the sleeve 4 are provided with external threads, one end of the inner cavity of the cover 6, which is close to the sleeve 4, is provided with internal threads, and the cover 6 is in threaded connection with the sleeve 4, so that the cover 6 and the sleeve 4 are conveniently mounted and dismounted, and the convenience in assembling the device is improved.
Further, in the above technical solution, the diameter value of the cross section of the sealing ring 11 is greater than the depth value of the ring groove 10, so that after installation, the sealing ring 11 can be kept in a compressed state at any time to ensure the sealing performance of the inner cavity of the sleeve 4.
Further, in the above technical scheme, the number of the annular grooves 10 in the sleeve cover 6 is set to three, and three the annular grooves 10 are equidistantly distributed on the inner wall of the sleeve cover 6, so that the sealing performance of the valve rod 4 is enhanced, and the protection effect on the thread part of the valve rod 3 is improved.
Further, in above-mentioned technical scheme, the outside cover on sleeve 4 top is equipped with protective cover 8, button 9 is carried to protective cover 8's top fixedly connected with to can strengthen the protection to sleeve 4's top, prevent that outside rainwater from contacting with valve rod 3 and sleeve 4's top.
Further, in the above technical solution, the oil filler hole 12 is provided as a threaded hole, the inner portion of the oil filler hole 12 is threadedly connected with the sealing screw 13, and one end of the outer portion of the sealing screw 13 is provided with the rubber gasket 14, so that the oil filler hole 12 can be effectively sealed, and the oil filler hole 12 can be conveniently opened and filled with oil;
the implementation mode is specifically as follows: the sleeve 4 is arranged in the top cover 2, the threaded ring 5 is arranged in the sleeve 4, the threaded connection between the threaded ring 5 and the valve rod 3 is utilized, the valve rod 3 is screwed by a wrench, the lifting of the valve rod 3 can be driven, the opening and closing of a valve are controlled, the sleeve covers 6 are respectively arranged at two ends of the sleeve 4, the quick installation is realized by the threaded connection between the sleeve covers 6 and the sleeve 4, the threaded section of the valve rod 3 only moves in the sleeve 4, the annular groove 10 arranged in the sleeve cover 6 and the sealing ring 11 arranged in the annular groove 10 can be utilized during actual use, the sealing ring 11 can be constantly kept in a compressed state, the sealing ring 11 is tightly attached to the polished rod part of the valve rod 3 when the valve rod 3 is lifted, the external water source is prevented from being immersed into the sleeve 4, and the threaded section of the valve rod 3 and the threaded ring 5 are effectively protected, avoid it and water contact, and take place corruption or corrosion, and set up oil filler point 12 through the one side at sleeve 4 top, and at the internally mounted sealing screw 13 of oil filler point 12, thereby sealing screw 13 can be unscrewed, pour into lubricating grease into in the sleeve 4 regularly, thereby make the screw thread section of screw ring 5 and valve rod 3 dip in lubricating grease constantly, further avoided contacting with water, also can fully lubricate the screw-thread fit of screw ring 5 and valve rod 3 simultaneously, and then when needing to use fire hydrant body 1, the rotation of valve rod 3 is lighter, the availability factor of device has been improved, and then valve rod 3 and screw ring 5 among the prior art have specifically been solved to this embodiment take place the corrosion easily and the problem that is difficult to open.
This practical theory of operation: through the installation upper shield 6 at the both ends of sleeve 4, can utilize the inside sealing washer 11 of upper shield 6 to carry out closely laminating to the polished rod position of valve rod 3, avoid outside water source to dip the inside of sleeve 4, and inject grease into in the sleeve 4 regularly through oil filler point 12, thereby make the screw thread section of screw ring 5 and valve rod 3 dip in grease constantly, further avoided the screw thread section of screw ring 5 and valve rod 3 and water contact, also can carry out sufficient lubrication to the screw-thread fit of screw ring 5 and valve rod 3 simultaneously.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides an outdoor anticorrosion fire hydrant that prevents corrosion, includes fire hydrant body (1), its characterized in that: the fire hydrant comprises a fire hydrant body (1), a top cover (2) is fixedly connected to the top of the fire hydrant body (1), a valve rod (3) is arranged inside the fire hydrant body (1), the top of the valve rod (3) is used for penetrating the top cover (2) and extends to the outside of the top cover (2), a sleeve (4) is fixedly installed inside the top cover (2), the sleeve (4) is sleeved outside the valve rod (3), a threaded ring (5) is fixedly installed in the middle of an inner cavity of the sleeve (4), an external thread is arranged on the outside, close to the top end, of the valve rod (3), the valve rod (3) is in threaded connection with the threaded ring (5), sleeve covers (6) are installed at two ends of the sleeve (4), the two sleeve covers (6) are in sliding connection with the valve rod (3), an annular groove (10) is formed in the inner wall of the sleeve covers (6), a sealing ring (11) is installed, an oil filling hole (12) is formed in one side of the top end of the sleeve (4), and lubricating grease is filled in the sleeve (4).
2. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the outer side of the middle part of the sleeve (4) is fixedly connected with a convex ring (7), and the convex ring (7) is fixedly connected with the top end of the top cover (2) through a bolt assembly.
3. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the length value of the sleeve (4) is set to be twice of the length value of the external thread section at the top of the valve rod (3).
4. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the outer walls of the two ends of the sleeve (4) are provided with external threads, one end, close to the sleeve (4), of the inner cavity of the sleeve cover (6) is provided with internal threads, and the sleeve cover (6) is in threaded connection with the sleeve (4).
5. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the diameter value of the cross section of the sealing ring (11) is larger than the depth value of the ring groove (10).
6. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the number of the annular grooves (10) in the sleeve cover (6) is three, and the annular grooves (10) are equidistantly distributed on the inner wall of the sleeve cover (6).
7. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the outside cover on sleeve (4) top is equipped with protective cover (8), button (9) are carried to the top fixedly connected with of protective cover (8).
8. An outdoor anticorrosion fire hydrant according to claim 1, wherein: the oil filler point (12) sets up to the screw hole, just the inside threaded connection of oil filler point (12) has sealing screw (13), rubber packing ring (14) are installed to the outside one end of sealing screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922317361.XU CN211774169U (en) | 2019-12-22 | 2019-12-22 | Outdoor anticorrosion fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922317361.XU CN211774169U (en) | 2019-12-22 | 2019-12-22 | Outdoor anticorrosion fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211774169U true CN211774169U (en) | 2020-10-27 |
Family
ID=72976178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922317361.XU Active CN211774169U (en) | 2019-12-22 | 2019-12-22 | Outdoor anticorrosion fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211774169U (en) |
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2019
- 2019-12-22 CN CN201922317361.XU patent/CN211774169U/en active Active
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