CN107574876A - A kind of municipal administration fire hydrant - Google Patents
A kind of municipal administration fire hydrant Download PDFInfo
- Publication number
- CN107574876A CN107574876A CN201710823849.2A CN201710823849A CN107574876A CN 107574876 A CN107574876 A CN 107574876A CN 201710823849 A CN201710823849 A CN 201710823849A CN 107574876 A CN107574876 A CN 107574876A
- Authority
- CN
- China
- Prior art keywords
- fire hydrant
- hydraulic pressures
- overload
- piston
- piston mechanism
- 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.)
- Granted
Links
Landscapes
- Fluid-Pressure Circuits (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of municipal administration fire hydrant, including fire hydrant shell, it is integral type structure with fire hydrant shell, and positioned at the fixed pedestal of fire hydrant outer casing bottom, it is arranged on the main input duct of solid base bottom and the main carry out hole being arranged on inside main progress pipeline, the bottom at the center of the fire hydrant enclosure is provided with main hollow structure, the inside of the fire hydrant shell is being provided with spacing pore structure at the top of the main hollow structure, the inside of the fire hydrant shell is being provided with secondary hollow structure at the top of the spacing pore structure, side outside fire hydrant is being provided with two main discharging tubes with its integral structure at the top of the spacing pore structure.The present invention is also with one of the main element of helicitic texture as limitation water flow impact pressure, the liquid of high pressure and the impulsive force of current is recycled to form competing effect, so as to effectively reduce the influence that water flow impact pressure is brought to helicitic texture, strengthen the Acceptable life of screw thread dental structure.
Description
Technical field
The present invention relates to urban operating mechanism technical field, specially a kind of municipal administration fire hydrant.
Background technology
China patent CN201220291892.1 announces a kind of fire hydrant key, key cylinder, shrink cylinder, end made of
Head and mounting flange are integrally welded；Weld the straight tube of a mounting seat, mounting seat straight tube and connection water band in the snap finger port of cylinder
Hermaphroditic coupling welding；The water sucting port of cylinder welds a connecting tube, and connecting tube is provided with what is be connected with fire fighting truck suction hose
External screw thread.
It is obvious that it is connected through a screw thread between all parts in said apparatus, because fire hydrant must possess water under high pressure
The factor of stream, so when unused, the hydraulic pressure inside fire hydrant is bigger, and because passes through for the valve for closing current
The counteracted by pressure of helicitic texture and hydraulic pressure, so as to close, and helicitic texture is realized by ridge, be easy to for a long time by
It is excessive in pressure and cause ridge stress deformation, so the device service life is low.
The content of the invention
It is an object of the invention to provide a kind of municipal administration fire hydrant, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of municipal administration fire hydrant, including outside fire hydrant
Shell and fire hydrant shell are integral type structure and are located at the fixed pedestal of fire hydrant outer casing bottom, are arranged on solid base bottom
Main input duct and the main carry out hole being arranged on inside main progress pipeline, the bottom at the center of the fire hydrant enclosure are set
There is main hollow structure, the inside of the fire hydrant shell is being provided with spacing pore structure at the top of the main hollow structure,
The inside of the fire hydrant shell is being provided with secondary hollow structure at the top of the spacing pore structure, outside the fire hydrant
Side is being provided with two main discharging tubes with its integral structure, the main discharging tube at the top of the spacing pore structure
Road is internally provided with the main discharge opeing for connecting secondary hollow structure, and the end set of the main outage has craft port, described to disappear
Anti- bolt is external to be arranged above a hydraulic oil pressure section, the inside of the secondary hollow structure positioned at the secondary hollow structure
One piston machine is installed, a threaded rod is installed at the center of the piston mechanism upper surface, and the body of rod of the shank of bolt runs through the pair
The inside of hollow structure and connected between the two by helicitic texture, the threaded rod is positioned at the hydraulic oil pressure section
Internal one end is fixed on the bottom of a movement plectane, and the side of the mobile plectane is socketed a high-pressure seal ring, the movement
A push rod is installed at the center of plectane upper surface, and the push rod is outer through the fire hydrant and is installing a high densification through position
Seal, the ballhead with its integral structure is provided with the top of the push rod, and the steel pipe that is provided centrally with of the ballhead is inserted
Enter hole, the side of the fire hydrant shell is respectively arranged with hydraulic oil input duct and anti-hydraulic pressures overload mechanism, and described
Side outside fire hydrant is provided with the hydraulic oil inlet opening of connection hydraulic oil input duct and anti-hydraulic pressures overload mechanism, institute
The inside for stating hydraulic oil input duct is installed by one hydraulic valve.
Preferably, the piston machine include piston mechanism cylinder, piston mechanism with the first o-ring groove structure,
Piston mechanism the second o-ring groove structure, the first sealing ring of piston mechanism, piston mechanism the second sealing ring, piston machine
Structure is with bearing installation groove and piston mechanism bearing.
Preferably, the piston mechanism is respectively arranged with the piston mechanism of upper and lower balance with the side of cylinder
The second o-ring groove structure of one o-ring groove structure and piston mechanism, the piston mechanism cylinder is positioned at described
Piston mechanism is respectively sleeved on work with the first o-ring groove structure and piston mechanism with the inside of the second o-ring groove structure
Mechanism the second sealing ring of the first sealing ring and piston mechanism is filled in, the piston mechanism is centrally disposed with cylinder upper surface
There is piston mechanism bearing installation groove, the piston mechanism installs a piston mechanism axle with the inside of bearing installation groove
Hold.
Preferably, the inner ring of the piston mechanism bearing and the end socket connection of threaded rod.
Preferably, the anti-hydraulic pressures overload mechanism includes anti-hydraulic pressures overload mechanism hollow housing, liquid-proof
Pressure overload mechanism connecting board structure, anti-hydraulic pressures overload mechanism hollow structure, anti-hydraulic pressures overload mechanism is pressed to use
Inlet opening, anti-hydraulic pressures overload mechanism outage, anti-hydraulic pressures overload mechanism fluid pressure valve and anti-hydraulic pressures
The mechanism that overloads bolt hole.
Preferably, the anti-hydraulic pressures overload mechanism is provided with and its integral structure with the end face of hollow housing
Anti- hydraulic pressures overload mechanism connecting board structure, the edge of the anti-hydraulic pressures overload mechanism connecting board structure is set
Have and connect for the anti-hydraulic pressures overload mechanism bolt hole with fire hydrant cage connection, the anti-hydraulic pressures overload mechanism
Fishplate bar structure is provided centrally with anti-hydraulic pressures overload mechanism inlet opening, the anti-hydraulic pressures overload mechanism hollow shell
Body is internally provided with the anti-hydraulic pressures overload mechanism hollow structure for connecting anti-hydraulic pressures overload mechanism inlet opening, institute
The anti-hydraulic pressures overload mechanism fluid pressure valve of inside installation one of anti-hydraulic pressures overload mechanism hollow structure is stated, it is described
Anti- hydraulic pressures overload mechanism is provided with the anti-hydraulic pressures overload mechanism hollow structure of connection with the other end of hollow housing
With the anti-hydraulic pressures overload mechanism outage in the external world, the anti-hydraulic pressures overload mechanism inlet opening and hydraulic oil feed liquor
Hole connects.
Preferably, the anti-hydraulic pressures overload mechanism fluid pressure valve is the valve with control fluid pressure size
Door.
Preferably, the helicitic texture includes the external thread structure being arranged on screw thread club shaft and is arranged on described disappear
Anti- bolt shell is being run through the female thread structure at position by threaded rod, and the external thread structure is meshed with female thread structure.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is also with helicitic texture as limitation current
One of main element of impulsive force, the liquid of high pressure and the impulsive force of current is recycled to form competing effect, so as to have
Effect reduces the influence that water flow impact pressure is brought to helicitic texture, strengthens the Acceptable life of screw thread dental structure.
Brief description of the drawings
Fig. 1 is a kind of complete section structural representation of municipal administration fire hydrant of the present invention；
Fig. 2 is the half-sectional structure chart of piston mechanism in a kind of municipal administration fire hydrant of the present invention；
Fig. 3 is the complete section structure chart of anti-hydraulic pressures overload mechanism in a kind of municipal administration fire hydrant of the present invention；
In figure：1, fire hydrant shell, 2, fixed pedestal, 3, main input duct, 4, main progress hole, 5, main hollow structure, 6,
Spacing pore structure, 7, piston mechanism, 71, piston mechanism cylinder, 72, piston mechanism the first o-ring groove structure, 73,
Piston mechanism the second o-ring groove structure, 74, piston mechanism the first sealing ring, 75, piston mechanism with the second sealing ring,
76, piston mechanism bearing installation groove, 77, piston mechanism bearing, 8, main Drainage pipe, 9, main outage, 10, butt end
Mouth, 11, secondary hollow structure, 12, shank of bolt, 13, helicitic texture, 14, hydraulic oil pressure section, 15, mobile plectane, 16, push rod,
17, high-pressure seal ring, 18, ballhead, 19, steel pipe patchhole, 20, hydraulic oil input duct, 21, hydraulic valve, 22, hydraulic oil
Inlet opening, 23, anti-hydraulic pressures overload mechanism, 231, anti-hydraulic pressures overload mechanism hollow housing, 232, anti-hydraulic pressures
The mechanism that overloads connecting board structure, 233, anti-hydraulic pressures overload mechanism hollow structure, 234, anti-hydraulic pressures overload mechanism
With inlet opening, 235, anti-hydraulic pressures overload mechanism outage, 236, anti-hydraulic pressures overload mechanism fluid pressure valve,
237, anti-hydraulic pressures overload mechanism bolt hole.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
A kind of referring to Fig. 1, embodiment provided by the invention：It is integrated including fire hydrant shell 1, with fire hydrant shell 1
Formula structure and positioned at the bottom of fire hydrant shell 1 fixed pedestal 2, be arranged on the main input duct 3 of solid base bottom and be arranged on
The main main carry out hole 4 carried out inside pipeline 3, the bottom at the center inside the fire hydrant shell 1 are provided with main hollow structure 5,
The inside of the fire hydrant shell 1 is being provided with spacing pore structure 6, the fire hydrant positioned at the top of the main hollow structure 5
The inside of shell 1 is being provided with secondary hollow structure 11, the side of the fire hydrant shell 1 positioned at the top of the spacing pore structure 6
Face is being provided with two main Drainage pipes 8 with its integral structure, the main discharge opeing positioned at the top of the spacing pore structure 6
Pipeline 8 is internally provided with the main outage 9 for connecting secondary hollow structure 11, and the end set of the main outage 9 has butt end
Mouth 10, the fire hydrant shell 1 is being arranged above a hydraulic oil pressure section 14, institute positioned at the secondary hollow structure 11
A piston mechanism 7 is installed in the inside for stating secondary hollow structure 11, and a threaded rod 12 is installed at the center of the upper surface of piston mechanism 7,
The body of rod of the shank of bolt 12 is through the inside of the secondary hollow structure 11 and is connected between the two by helicitic texture 13, institute
State threaded rod 12 and be fixed on the bottom of a movement plectane 15, the shifting in one end inside the hydraulic oil pressure section 14
The side of dynamic plectane 15 is socketed a high-pressure seal ring 17, and a push rod 16 is installed at the center of the mobile upper surface of plectane 15, described
Push rod 16 through the fire hydrant shell 1 and is installing a high-pressure seal ring 17 through position, and the top of the push rod 16 is set
Have and be provided centrally with steel pipe patchhole 19 with the ballhead of its integral structure 18, the ballhead 18, outside the fire hydrant
The side of shell 1 is respectively arranged with hydraulic oil input duct 20 and anti-hydraulic pressures overload mechanism 23, and the fire hydrant shell 1
Side is provided with the hydraulic oil inlet opening 22 of connection hydraulic oil input duct 20 and anti-hydraulic pressures overload mechanism 23, the liquid
The inside for pressing oil input duct 20 is installed by one hydraulic valve 21；The helicitic texture 13 includes being arranged on the body of rod of threaded rod 12
External thread structure is being run through the female thread structure at position, and the outer spiral shell by threaded rod 12 with the fire hydrant shell 1 is arranged on
Line structure is meshed with female thread structure.
Referring to Fig. 2, the piston mechanism 7 is recessed with the first sealing ring including piston mechanism cylinder 71, piston mechanism
Slot structure 72, piston mechanism are with the second o-ring groove structure 73, the first sealing ring 74 of piston mechanism, piston mechanism with second
Sealing ring 75, piston mechanism bearing installation groove 76 and piston mechanism bearing 77；Piston mechanism cylinder 71
Side is respectively arranged with piston mechanism the second sealing ring of the first o-ring groove structure 72 and piston mechanism of upper and lower balance
Groove structure 73, the piston mechanism is with cylinder 71 positioned at the first o-ring groove structure 72 of the piston mechanism and work
Plug mechanism is respectively sleeved on piston mechanism the first sealing ring 74 and piston mechanism with the inside of the second o-ring groove structure 73
With the second sealing ring 75, the upper surface of piston mechanism cylinder 71 is provided centrally with piston mechanism bearing installation groove
76, the piston mechanism installs piston mechanism bearing 77 with the inside of bearing installation groove 76；The piston mechanism axle
77 inner ring and the end socket connection of threaded rod 12 are held, its main function is, using double sealing rings put, effectively to prevent liquid
Let out in vitro, while the piston mechanism inner ring of bearing 77 and the end socket connection of threaded rod 12, enable to threaded rod 12
When rotating propulsion, piston mechanism cylinder 71 can realize propulsion, but will not rotate, required when reducing rotation to overcome
Frictional force, play the effect of being effectively protected.
Referring to Fig. 3, the anti-hydraulic pressures overload mechanism 23 includes anti-hydraulic pressures overload mechanism hollow housing
231st, anti-hydraulic pressures overload mechanism connecting board structure 232, anti-hydraulic pressures overload mechanism hollow structure 233, anti-hydraulic pressure
The mechanism that pressure overloads is overloaded mechanism liquid with inlet opening 234, anti-the hydraulic pressures mechanism that overloads with outage 235, anti-hydraulic pressures
Body pressure valve 236 and anti-hydraulic pressures overload mechanism bolt hole 237；The anti-hydraulic pressures overload mechanism hollow housing
231 end face is provided with and the anti-hydraulic pressures of its integral structure overload mechanism connecting board structure 232, the anti-hydraulic pressure
The anti-hydraulic pressures that mechanism is provided with for being connected with fire hydrant shell 1 with the edge of connecting board structure 232 that pressure overload overload
Mechanism bolt hole 237, the anti-hydraulic pressures that are provided centrally with of the anti-hydraulic pressures overload mechanism connecting board structure 232 surpass
Mounted mechanism inlet opening 234, the anti-hydraulic pressures overload mechanism hollow housing 231 are internally provided with the anti-hydraulic pressure pressure of connection
The anti-hydraulic pressures overload mechanism hollow structure 233 of strong overload mechanism inlet opening 234, the anti-hydraulic pressures overload mechanism
With the anti-hydraulic pressures overload mechanism fluid pressure valve 236 of the inside installation one of hollow structure 233, the anti-hydraulic pressures overload
Mechanism is provided with the anti-hydraulic pressures overload mechanism hollow structure 233 of connection and the external world with the other end of hollow housing 231
Anti- hydraulic pressures overload mechanism outage 235, anti-hydraulic pressures overload the mechanism inlet opening 234 and hydraulic oil inlet opening
22 connections；The anti-hydraulic pressures overload mechanism fluid pressure valve 236 is the valve with control fluid pressure size, and it is led
It is the maximum pressure using anti-hydraulic pressures overload mechanism fluid pressure valve 236 to want principle so that the pressure of hydraulic oil can
Control is within the scope of one, it should be noted that the maximum pressure value and spiral shell of anti-hydraulic pressures overload mechanism fluid pressure valve 236
The maximum distortion pressure value that line structure 13 can be born is identical, so as to play the negative function with underground water, reduces screw thread knot
The stress size of structure 13.
Specifically used mode：In present invention work, in use, fixed pedestal 2, which is fixed on, needs the portion for setting the device
Position, then docks underground connecting pipe and main input duct 3, when not in use, by hydraulic oil pump into liquid valve element 21
Liquid is injected, when the pressure of liquid is larger, i.e., when surplus liquid flows out from anti-hydraulic pressures overload mechanism 23, stops note
Enter, then hold a steel pipe, be inserted into steel pipe patchhole 19, rotate the device, in the presence of helicitic texture 13 so that be living
Plug mechanism 7 moves down, and after piston mechanism 7 blocks current, re-injects hydraulic oil, when hydraulic oil flows out again, i.e.,
It can close, now, the pressure direction of hydraulic oil and stamping press from underground water are in opposite direction, so as to offset partial pressure, drop
The stressing conditions of low bolt arrangement 13, when it is desired to be used, flexible pipe is connected into main Drainage pipe 8, then passes through Liquid valve 21
Discharge hydraulic oil, then screw forming head 18.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (8)
1. a kind of municipal administration fire hydrant, including fire hydrant shell (1), disappear for integral type structure and being located at fire hydrant shell (1)
The fixed pedestal (2) of anti-bolt shell (1) bottom, it is arranged on the main input duct (3) of solid base bottom and is arranged on and main carry out pipe
The internal main carry out hole (4) in road (3), it is characterised in that：The bottom at the internal center of the fire hydrant shell (1) is provided with master
Hollow structure (5), the inside of the fire hydrant shell (1) are being provided with spacing hole knot at the top of the main hollow structure (5)
Structure (6), the inside of the fire hydrant shell (1) are being provided with secondary hollow structure at the top of the spacing pore structure (6)
(11), the side of the fire hydrant shell (1) is being provided with two and its integral type at the top of the spacing pore structure (6)
The main Drainage pipe (8) of structure, the main Drainage pipe (8) are internally provided with the main outage for connecting secondary hollow structure (11)
(9), the end set of the main outage (9) has craft port (10), and the fire hydrant shell (1) is hollow positioned at the pair
Structure (11) is arranged above a hydraulic oil pressure section (14), and a piston is installed in the inside of the secondary hollow structure (11)
A threaded rod (12) is installed at mechanism (7), the center of piston mechanism (7) upper surface, and the body of rod of the shank of bolt (12) runs through
The inside of the secondary hollow structure (11) and between the two by helicitic texture (13) connect, the threaded rod (12) positioned at
The internal one end of the hydraulic oil pressure section (14) is fixed on the bottom of a movement plectane (15), the mobile plectane (15)
Side is socketed a high-pressure seal ring (17), and a push rod (16), the push rod are installed in the center of mobile plectane (15) upper surface
(16) through the fire hydrant shell (1) and through position one high-pressure seal ring of installation (17), the top of the push rod (16)
It is provided with and is provided centrally with steel pipe patchhole (19), institute with the ballhead of its integral structure (18), the ballhead (18)
The side for stating fire hydrant shell (1) is respectively arranged with hydraulic oil input duct (20) and anti-hydraulic pressures overload mechanism (23), and
The side of the fire hydrant shell (1) is provided with connection hydraulic oil input duct (20) and anti-hydraulic pressures overload mechanism (23)
Hydraulic oil inlet opening (22), a hydraulic valve (21) is installed in the inside of the hydraulic oil input duct (20).
2. one kind municipal administration fire hydrant according to claim 1, it is characterised in that：The piston mechanism (7) includes piston
Mechanism cylinder (71), piston mechanism the first o-ring groove structure (72), the second o-ring groove knot of piston mechanism
Structure (73), piston mechanism the first sealing ring (74), piston mechanism the second sealing ring (75), the installation of piston mechanism bearing are recessed
Groove (76) and piston mechanism are with bearing (77).
3. one kind municipal administration fire hydrant according to claim 2, it is characterised in that：The piston mechanism is with cylinder (71)
Side be respectively arranged with upper and lower balance piston mechanism it is close with second with the first o-ring groove structure (72) and piston mechanism
Seal groove structure (73), the piston mechanism is with cylinder (71) positioned at the first o-ring groove knot of the piston mechanism
Structure (72) and piston mechanism are respectively sleeved on piston mechanism with the first sealing ring with the inside of the second o-ring groove structure (73)
(74) and piston mechanism is provided centrally with piston with the second sealing ring (75), piston mechanism cylinder (71) upper surface
A piston mechanism axle is installed with bearing installation groove (76), the piston mechanism with the inside of bearing installation groove (76) by mechanism
Hold (77).
4. one kind municipal administration fire hydrant according to claim 3, it is characterised in that：Piston mechanism bearing (77)
Inner ring and the end socket connection of threaded rod (12).
5. one kind municipal administration fire hydrant according to claim 1, it is characterised in that：The anti-hydraulic pressures overload mechanism
(23) anti-hydraulic pressures overload mechanism is included with hollow housing (231), anti-hydraulic pressures overload mechanism connecting board structure
(232), anti-hydraulic pressures overload mechanism hollow structure (233), anti-hydraulic pressures overload mechanism inlet opening (234), liquid-proof
Pressure pressure overload mechanism outage (235), anti-hydraulic pressures overload mechanism fluid pressure valve (236) and anti-hydraulic pressures surpass
Mounted mechanism is with bolt hole (237).
6. one kind municipal administration fire hydrant according to claim 5, it is characterised in that：The anti-hydraulic pressures overload mechanism uses
The end face of hollow housing (231) is provided with and the anti-hydraulic pressures of its integral structure overload mechanism connecting board structure
(232), the anti-hydraulic pressures overload mechanism is provided with the edge of connecting board structure (232) is used for and fire hydrant shell (1)
The anti-hydraulic pressures overload mechanism of connection is with bolt hole (237), and the anti-hydraulic pressures overload mechanism is with connecting board structure (232)
Be provided centrally with anti-hydraulic pressures overload mechanism inlet opening (234), the anti-hydraulic pressures overload mechanism hollow housing
(231) during the anti-hydraulic pressures overload mechanism for being internally provided with the anti-hydraulic pressures overload mechanism inlet opening (234) of connection uses
Hollow structure (233), the anti-hydraulic pressures overload machine of inside installation one of anti-hydraulic pressures overload mechanism hollow structure (233)
Structure is provided with connection with fluid pressure valve (236), the anti-hydraulic pressures overload mechanism with the other end of hollow housing (231)
The anti-hydraulic pressures overload mechanism anti-hydraulic pressures in hollow structure (233) and external world overload mechanism outage (235), it is described
Anti- hydraulic pressures overload mechanism is connected with inlet opening (234) with hydraulic oil inlet opening (22).
7. one kind municipal administration fire hydrant according to claim 6, it is characterised in that：The anti-hydraulic pressures overload mechanism uses
Fluid pressure valve (236) is the valve with control fluid pressure size.
8. one kind municipal administration fire hydrant according to claim 1, it is characterised in that：The helicitic texture (13) includes setting
External thread structure on threaded rod (12) body of rod and it is arranged on the fire hydrant shell (1) position is being run through by threaded rod (12)
Female thread structure, and the external thread structure is meshed with female thread structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823849.2A CN107574876B (en) | 2017-09-13 | 2017-09-13 | A kind of municipal administration fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710823849.2A CN107574876B (en) | 2017-09-13 | 2017-09-13 | A kind of municipal administration fire hydrant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107574876A true CN107574876A (en) | 2018-01-12 |
| CN107574876B CN107574876B (en) | 2019-11-05 |
Family
ID=61033081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710823849.2A Active CN107574876B (en) | 2017-09-13 | 2017-09-13 | A kind of municipal administration fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107574876B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653821A (en) * | 2021-08-25 | 2021-11-16 | 周少云 | Liquid backflow valve is prevented to liquid flow pipeline connection formula |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667473A (en) * | 2015-03-13 | 2015-06-03 | 珠海智城信息技术有限公司 | Fire hydrant monitoring method and device as well as fire hydrant fault prompting method and device |
| CN204959869U (en) * | 2015-07-11 | 2016-01-13 | 宋国丰 | Anti -collision underground fire hydrant |
| CN205577021U (en) * | 2016-03-22 | 2016-09-14 | 杨子豪 | Fire prevention fire hydrant structure |
| CN205742371U (en) * | 2016-05-06 | 2016-11-30 | 绍兴宏润消防器材有限公司 | A kind of intelligent fire bolt by wechat client real-time informing |
-
2017
- 2017-09-13 CN CN201710823849.2A patent/CN107574876B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104667473A (en) * | 2015-03-13 | 2015-06-03 | 珠海智城信息技术有限公司 | Fire hydrant monitoring method and device as well as fire hydrant fault prompting method and device |
| CN204959869U (en) * | 2015-07-11 | 2016-01-13 | 宋国丰 | Anti -collision underground fire hydrant |
| CN205577021U (en) * | 2016-03-22 | 2016-09-14 | 杨子豪 | Fire prevention fire hydrant structure |
| CN205742371U (en) * | 2016-05-06 | 2016-11-30 | 绍兴宏润消防器材有限公司 | A kind of intelligent fire bolt by wechat client real-time informing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653821A (en) * | 2021-08-25 | 2021-11-16 | 周少云 | Liquid backflow valve is prevented to liquid flow pipeline connection formula |
| CN113653821B (en) * | 2021-08-25 | 2023-08-29 | 帕菲诺智能制造(天津)有限公司 | Liquid flow pipeline connection type liquid backflow prevention valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107574876B (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112628607B (en) | Fracturing high-low pressure manifold system with prying at bottom of large-drift-diameter bypass manifold | |
| CN201671559U (en) | Packing type slurry rotating joint | |
| CN107574876A (en) | A kind of municipal administration fire hydrant | |
| CN105937383A (en) | Soluble full-bore ball seat working barrel | |
| CN204299461U (en) | Non-excavation pipe-laying drilling rig unit head floating installation | |
| CN201496027U (en) | compensating self-sealing blowout preventer | |
| CN208793861U (en) | A kind of flexible composite pipe pressure testing connector | |
| CN204387354U (en) | Bidirectional flow is wear-resisting revolves Ball type butlerfly valve | |
| CN204099786U (en) | Flared type pipe connecting device | |
| CN206103173U (en) | Steady voltage fire hydrant | |
| CN101598252B (en) | Elastic pawl connecting and sealing structure for pipeline, valve, valve seat and valve core | |
| CN204372404U (en) | Hydraulic pressure low pressure big orifice swivel joint | |
| CN209053571U (en) | A kind of high-precision drilling rod hydraulic quick coupler | |
| CN202834277U (en) | Control valve quick connector | |
| CN207122607U (en) | A kind of eccentric hard sealed ball valve | |
| CN201902705U (en) | Nonmetallic pipe baseplate-penetrating waterproof casing pipe | |
| CN207879833U (en) | A kind of quartering hammer connecting shaft | |
| CN101363550B (en) | Check valve structure | |
| CN101251202B (en) | One-way horizontal check valve | |
| CN201133229Y (en) | Combination type packing kit | |
| CN205918988U (en) | Energy -conserving flow regulator of water | |
| CN204627443U (en) | Helicoid hydraulic motor testing pressure of well head joint | |
| CN209041808U (en) | A kind of hydraulic engineering pipe connecting structure | |
| CN205207990U (en) | Circulator for water under high pressure | |
| CN216974959U (en) | Safe pressure relief leakage-proof oil pump |
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 | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zeng Xiaoliang Inventor after: Hua Wenhui Inventor after: Huang Chunsheng Inventor after: Zhang Liguo Inventor after: Wang Dapeng Inventor before: Zhang Liguo Inventor before: Wang Dapeng |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191010 Address after: 518040 Yunsong Building, 33 Tairan Eighth Road, Tian'an Community, Shatou Street, Futian District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Guang'an Fire-Fighting & Decoration Engineering Co., Ltd. Address before: 262500 Xiangshan Road 618, Shandong, Qingzhou Applicant before: Zhang Li Guo |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |