CN208105383U - A kind of underground hydrant - Google Patents
A kind of underground hydrant Download PDFInfo
- Publication number
- CN208105383U CN208105383U CN201820268572.1U CN201820268572U CN208105383U CN 208105383 U CN208105383 U CN 208105383U CN 201820268572 U CN201820268572 U CN 201820268572U CN 208105383 U CN208105383 U CN 208105383U
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- groove
- outer sleeve
- storage box
- bottom end
- hole
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Abstract
A kind of underground hydrant of the utility model,Storage box top two sides are respectively articulated with the top plate of door-opening type,Fire hydrant is placed in storage box,Being horizontally disposed in storage box has partition,Partition center offers first through hole,Partition quadrangle offers the second through-hole,Outer sleeve is equipped in first through hole,Outer sleeve bottom end is externally connected to outer land,It is internally connected with interior land,Abutting in outer sleeve has inner sleeve,Fire hydrant lower part is connected in inner sleeve,Water supplying pipe mechanism is provided with below outer sleeve,Water supplying pipe mechanism top is passed through by interior land center and is threadedly coupled with fire hydrant bottom end,Water supplying pipe mechanism bottom end is pierced by by storage box bottom end,Outer sleeve two sides are provided with transmission mechanism,It is hinged on the downside of transmission mechanism and top plate,Transmission mechanism is also connect with outer sleeve two sides groove,Transmission mechanism is driven by driving motor,It is easily installed,Disassembly and the operation is stable.
Description
Technical field
The utility model relates to fire-fighting equipment technical fields, and in particular to a kind of underground hydrant.
Background technique
A kind of fire hydrant, fixed fire fighting device, is divided into indoor fire hydrant and outdoor fire hydrant, fire hydrant is mainly for fire-fighting
Vehicle implements fire extinguishing from municipal water supply pipe network or the water intaking of outdoor fire fighting water supply network, can also be directly connected to water band, hydraulic giant water outlet is gone out
Fire, existing fire hydrant are exposed to external in the presence of easy the shortcomings that being hit, pedestrian is interfered to travel, Publication No.
The patent of CN206081429U discloses a kind of underground collision avoidance protective fire hydrant, when generation fire needs to put out a fire, pins
Pressure sensor, feedback signal control electric motor starting, make fire hydrant by ground by a series of mechanical structures to controller, controller
Discharging valve is opened in lower rising, and fireman can be from water outlet water receiving, after fire extinguishing, and controller controls motor reverse starting again,
So that fire hydrant is dropped to underground, to achieve the effect that be not easily susceptible to hit and pedestrian is not interfered to travel, but have a disadvantage in that,
It drives the mechanical structure of fire hydrant lifting to be only arranged on the left of connecting plate in the structure, may there is connecting plate lifting shakiness
Phenomenon, it is necessary to fire hydrant be fixed on pedestal, fire hydrant also needs to connect with underground extinguishing pipe, and operator needs first disappear
Anti- bolt is fixed on connecting plate, then connecting plate is dropped to underground, and operator needs to resist lid on one side, protrudes into underground on one side
Operation extremely inconvenience is attached to underground extinguishing pipe, in addition also limits the maintenance and replacement to fire hydrant.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and are easily installed and dismantle and work steady
Fixed underground hydrant.
The utility model solves its technical problem and adopts the following technical solutions to achieve:
A kind of underground hydrant, including storage box, storage box top two sides are respectively articulated with the top plate of door-opening type,
Fire hydrant is placed in the storage box, being horizontally disposed in the storage box has partition, and it is logical that the partition center offers first
Hole, the partition quadrangle offer the second through-hole, and outer sleeve is equipped in the first through hole, is connected outside the outer sleeve bottom end
It is connected to outer land, is internally connected with interior land, abutting in the outer sleeve has inner sleeve, and the fire hydrant lower part is connected to described
In inner sleeve, it is provided with water supplying pipe mechanism below the outer sleeve, water supplying pipe mechanism top is worn by the interior land center
It crosses and is threadedly coupled with the fire hydrant bottom end, water supplying pipe mechanism bottom end is pierced by by the storage box bottom end, the housing
Cylinder two sides are provided with transmission mechanism, hinged on the downside of the transmission mechanism and the top plate, the transmission mechanism also with the housing
Cylinder two sides groove connection, the transmission mechanism are driven by driving motor.
In above-mentioned underground hydrant, further, the fire hydrant top is equipped with discharging valve, sets at the top of the fire hydrant
Have a water outlet, the fire hydrant bottom end is connected with outer connecting cylinder, the water supplying pipe mechanism from top to bottom successively include interior connecting cylinder,
Bellows and underground extinguishing pipe, the interior connecting cylinder outside are equipped with screw thread, the interior connecting cylinder and the outer connecting cylinder screw thread
Connection, the interior connecting cylinder bottom end are externally connected to snap ring, and the snap ring sets up and is connected on the upside of the interior land.
In above-mentioned underground hydrant, further, the transmission mechanism includes groove band, the groove band side groove
It is engaged with movable plate, described movable plate one end is threaded engagement on lead screw by movable block, and the movable plate other end passes through shifting
Motion block is sheathed on guide rod, and the lead screw top is rotationally connected on end plate, and the lead screw bottom end is worn by second through-hole
The storage box bottom end is crossed and is rotationally connected with, the end plate horizontal connection passes through in two sides in the storage box, the lead screw
The transmission connection of driving wheel is driven by the driving motor, and the guide rod is arranged in second through-hole, the guide rod
Both ends are fixedly connected on the end plate and the storage box bottom end, and connecting rod, the connecting rod other end are hinged on the movable block
It is articulated on the downside of the top plate, the groove band other side groove is engaged with the first driving wheel, and the first driving wheel groove is nibbled
Conjunction has the second driving wheel, and second driving wheel is engaged with the outer sleeve groove.
In above-mentioned underground hydrant, further, the first through hole is square hole, and second through-hole is circle
Hole.
It include the first groove and the second groove on the groove band further in above-mentioned underground hydrant, described the
The groove spacing of one groove is 2 times of the groove spacing of second groove, is set respectively on the movable plate and the outer sleeve
There is a straight-tooth line engaged with second groove, the groove spacing of the straight-tooth line on first driving wheel can be respectively with described
One groove and second groove engage, and the groove spacing of the straight-tooth line on second driving wheel is nibbled with second groove
It closes.
In above-mentioned underground hydrant, further, the groove band, first driving wheel and second driving wheel
It is rotationally connected on the storage box side wall by shaft respectively.
In above-mentioned underground hydrant, further, the interior land and the outer land are square-shaped frame, described outer
Sleeve section is square frame, and the inner sleeve section is circular rings, and the inner sleeve is inscribed in the outer sleeve, described interior
Sleeve bottom end is set up on the upside of the interior land, and the diameter of the fire hydrant is adapted with the inner sleeve internal diameter, the inner sleeve
The height of cylinder is less than the height of the outer sleeve.
It further include pressure sensor and controller, the end plate downside, institute further in above-mentioned underground hydrant
It states and is respectively equipped with pressure sensor on the upside of outer land, pressure sensor is embedded on the top plate, the controller is set to institute
Storage box bottom is stated, the pressure sensor and the driving motor are connect with the controller.
The advantages of the utility model and good effect are:
1. fire hydrant is placed in inside inner sleeve by the utility model, can be stable deposit in outer sleeve, outer sleeve is worn
In in first through hole, ensure that the verticality of outer sleeve in the process of moving up and down, run-off the straight is avoided, in outer sleeve two sides point
Other groove is engaged with transmission mechanism, is conducive to outer sleeve two sides uniform force, guarantees the stability of fire hydrant lifting;
2. setting on the groove band of the utility model setting, there are two types of the grooves of groove spacing, it can be achieved that speed changing effect, makes to disappear
Fast after the rate of climb of anti-bolt is first slow, decrease speed first quick and back slow, can effectively avoid fire hydrant and cause to hinder to the overturning of top plate,
Guarantee the smooth lifting of fire hydrant;
3. fire hydrant in the utility model can be with the interior connecting cylinder screw thread of water supplying pipe mechanism upper end by outer connecting cylinder
Connection, is set to fire hydrant top for water outlet, is conducive to 360 ° of directions connection of fire extinguisher canvas hose, quick and easy for installation, is convenient for
Maintenance or replacement.
Detailed description of the invention
The technical solution of the utility model is described in further detail below with reference to drawings and examples, still
It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition,
Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale
It draws.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the overlooking structure diagram of the utility model;
Fig. 3 is the overlooking structure diagram of outer sleeve and inner sleeve in the utility model;
Fig. 4 is the schematic diagram of transmission mechanism engaged in the utility model with outer sleeve groove.
In figure:
1, storage box, 2. top plates, 3. partitions, 4. first through hole, 5. second through-holes, 6. lead screws, 7. end plates, 8. movable blocks,
9. guide rod, 10, driving wheel, 11. driving motors, 12. connecting rods, 13. movable plates, 14. groove bands, 15. straight-tooth lines, 16. first
Groove, 17. second groove, 18. shaft, 19. first driving wheels, 20. second driving wheels, 21. outer sleeves, 22. outer land, 23.
Interior land, 24. pressure sensors, 25. controllers, 26. inner sleeves, 27. fire hydrants, 28. discharging valves, 29. water outlets, outside 30.
Connecting cylinder, 31. underground extinguishing pipes, 32. bellows, 33. snap rings, connecting cylinder in 34..
Specific embodiment
Firstly, it is necessary to which explanation, illustrates the underground hydrant of the utility model for by way of example below
Specific structure, features and advantages etc., however what all descriptions were intended merely to be illustrated, and should not be construed as to this reality
With novel formation any restrictions.In addition, any single technology for being described by or implying in each embodiment mentioned by this paper is special
Sign, or shown or implicit any single technical characteristic in the drawings, still can (or it be equivalent in these technical characteristics
Object) between continue any combination or delete, to obtain the utility model that may do not referred to directly herein more
More other embodiments.For the sake of simplifying drawing, same or like technical characteristic in the same figure may be only at one
It is indicated.
In the description of the present invention, it should be noted that term "top", "bottom", "inner", "outside" "upper", "lower",
The orientation or positional relationship of the instructions such as "horizontal", "center" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention, in addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.
The utility model is described in further detail now in conjunction with attached drawing, these attached drawings are simplified schematic diagram, only
Illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As Figure 1-Figure 4, a kind of underground hydrant, including storage box 1,1 top two sides of storage box have been respectively articulated with pair
The top plate 2 of opening door is placed with fire hydrant 27 in storage box 1, and being horizontally disposed in storage box 1 has partition 3, and 3 center of partition opens up
There is first through hole 4,3 four jiaos of partition offer the second through-hole 5, and outer sleeve 21,21 bottom end of outer sleeve are equipped in first through hole 4
It is externally connected to outer land 22, is internally connected with interior land 23, abutting in outer sleeve 21 has inner sleeve 26,27 lower part of fire hydrant
It is connected in inner sleeve 26, water supplying pipe mechanism is provided with below outer sleeve 21, water supplying pipe mechanism top is worn by interior 23 center of land
It crosses and is threadedly coupled with 27 bottom end of fire hydrant, water supplying pipe mechanism bottom end is pierced by by 1 bottom end of storage box, and 21 two sides of outer sleeve are provided with
Transmission mechanism, transmission mechanism and the downside of top plate 2 are hinged, and transmission mechanism is also connect with 21 two sides groove of outer sleeve, transmission mechanism by
Driving motor 11 drives.
27 top of fire hydrant is equipped with discharging valve 28, is equipped with water outlet 29 at the top of fire hydrant 27,27 bottom end of fire hydrant is connected with
Outer connecting cylinder 30, water supplying pipe mechanism from top to bottom successively include interior connecting cylinder 34, bellows 32 and underground extinguishing pipe 31, interior company
Screw thread is equipped with outside connect cylinder 34, interior connecting cylinder 34 is threadedly coupled with outer connecting cylinder 30, and interior 34 bottom end of connecting cylinder is externally connected to card
Ring 33, snap ring 33 set up and are connected to interior 23 upside of land, and transmission mechanism includes groove band 14, the engagement of 14 side groove of groove band
There is movable plate 13,13 one end of movable plate is threaded engagement on lead screw 6 by movable block 8, and 13 other end of movable plate passes through movable block 8
It is sheathed on guide rod 9,6 top of lead screw is rotationally connected on end plate 7, and 6 bottom end of lead screw is passed through by the second through-hole 5 and the company of rotation
It is connected to 1 bottom end of storage box, 7 horizontal connection of end plate is in two sides in storage box 1, and lead screw 6 is by the transmission connection of driving wheel 10 by driving
Dynamic motor 11 drives, and guide rod 9 is arranged in the second through-hole 5, and 9 both ends of guide rod are fixedly connected on 1 bottom of end plate 7 and storage box
It holds, connecting rod 12 is hinged on movable block 8,12 other end of connecting rod is articulated with 2 downside of top plate, and 14 other side groove of groove band is engaged with
First driving wheel 19,19 groove of the first driving wheel are engaged with the second driving wheel 20, and the second driving wheel 20 is nibbled with 21 groove of outer sleeve
It closes, first through hole 4 is square hole, and it includes the first groove 16 and the second groove on groove band 14 that the second through-hole 5, which is round hole,
17, the groove spacing of the first groove 16 is 2 times of the groove spacing of the second groove 17, is set respectively on movable plate 13 and outer sleeve 21
Have a straight-tooth line 15 engaged with the second groove 17, the groove spacing of the straight-tooth line 15 on the first driving wheel 19 can respectively with the first tooth
Line 16 and the second groove 17 engage, and the groove spacing of the straight-tooth line 15 on the second driving wheel 20 is engaged with the second groove 17, groove
Band 14, the first driving wheel 19 and the second driving wheel 20 are rotationally connected on 1 side wall of storage box by shaft 18 respectively, interior land
23 and outer land 22 be square-shaped frame, 21 section of outer sleeve is square frame, and 26 section of inner sleeve is circular rings, inner sleeve 26
It is inscribed in outer sleeve 21,26 bottom end of inner sleeve is set up in interior 23 upside of land, the diameter and 26 internal diameter of inner sleeve of fire hydrant 27
It is adapted, it further includes pressure sensor 24 and controller 25 that the height of inner sleeve 26, which is less than the height of outer sleeve 21, under end plate 7
It is respectively equipped with pressure sensor 24 on the upside of side, outer land 22, pressure sensor 24 is embedded on top plate 2, controller 25 is set to
1 bottom of storage box, pressure sensor 24 and driving motor 11 are connect with controller 25.
Working principle:When underground hydrant is in off position, the stable feedback of the pressure sensor 24 of 7 downside of end plate
Signal is to controller 25, when a fire, the pressure sensor 24 being embedded with by coping 2, the embedded pressure sensing of top plate 2
Feedback signal controls driving motor 11 and opens the pressure sensor 24 of 7 downside of device 24 and end plate to controller 25, controller 25 simultaneously
Dynamic, driving motor 11 drives lead screw 6 to rotate by driving wheel 10, and the movable block 8 engaged with 6 screw thread of lead screw moves down, at this time end plate 7
The embedded pressure sensor 24 of the pressure sensor 24 and top plate 2 of downside no longer feedback signal is to controller 25, under movable block 8
Shipper pole moves the movement of connecting rod 12, and the top plate 2 hinged with connecting rod 12 is downwardly turned over along 1 two sides of storage box, while movable block 8 drives movement
Plate 13 moves down, and the groove band 14 engaged with 13 groove of movable plate rotates, 19 turns of the first driving wheel engaged with 14 groove of groove band
The second driving wheel 20 rotation that is dynamic, being engaged with 19 groove of the first driving wheel, the outer sleeve 21 engaged with 20 groove of the second driving wheel
Moved up along first through hole 4, due to set on groove band 14 there are two types of groove spacing the first groove 16 and the second groove 17, it can be achieved that
Speed changing effect, fast after keeping the rate of climb of fire hydrant 27 first slow, with being gradually increasing for outer sleeve 21, top plate 2 turns over gradually downward
Turn, when the pressure sensor 24 for moving to 22 upside of outer ring platform on outer sleeve 21 is butted on 3 downside of partition, at this time on the upside of outer land 22
24 feedback signal of pressure sensor to controller 25, controller 25, which controls driving motor 11, to be stopped, and top plate 2 is all beaten at this time
Open, outer sleeve 21 rises to appropriate location, open discharging valve 28, the water in underground extinguishing pipe 31 pass sequentially through bellows 32,
Fire hydrant 27 is finally flowed out by water outlet 29, and fireman can carry out fire-fighting work, when fire-fighting work knot from 29 water receiving of water outlet
Shu Hou, closes discharging valve 28, the pressure sensor 24 being embedded with by coping 2, pressure sensor 24 that top plate 2 is embedded with and outer
Feedback signal controls driving motor 11 and reversely opens the pressure sensor 24 of 22 upside of land to controller 25, controller 25 simultaneously
Dynamic, driving motor 11 drives transmission mechanism work, and top plate 2 is driven to be flipped up, and the decline of outer sleeve 21 first quick and back slow is final to push up
Plate 2 completely closes, and for 24 feedback signal of pressure sensor of 7 downside of end plate to controller 25, controller 25 controls driving motor 11
Stop, when needing batch to safeguard or replacement fire hydrant 27, fire hydrant 27 is made to be in fire-fighting work position, will be supplied for fire hydrant 27
The water supplying pipe mechanism of water closes, and hand-held 27 top of fire hydrant simultaneously rotates fire hydrant 27, divides outer connecting cylinder 30 with interior connecting cylinder 34
From fire hydrant 27 is taken out by inner sleeve 26, when installation, fire hydrant 27 is placed in inside inner sleeve 26, and in inner sleeve
26 inner rotations engage outer connecting cylinder 30 and 34 screw thread of interior connecting cylinder.
It should be noted that the electric control circuit of pressure sensor and controller in the utility model is in Publication No.
A kind of underground of the patent disclosure of CN206081429U has been kept detailed accounts in collision avoidance protective fire hydrant, and controller selects tall building
Sea of gates is that the sea of Science and Technology Ltd.'s production is S32S0T type PLC controller, 24VDC power supply outside host, the input of 16 tunnels, 16
Road output, according to electric control theory figure shown in fig. 5 attached in the disclosure patent, person of ordinary skill in the field is not needed
Creative labor can intuitively be write out PLC controller and be controlled respectively by above-mentioned working principle by trapezoidal pattern programming language
The PLC program that component is acted realizes the intelligence of the utility model operation, and the dependent instruction of programming is the prior art,
Details are not described herein, but will not influence the repetition of those skilled in the art due to the above reasons,.
It should be noted that unless otherwise clearly defined and limited, the connection type in the utility model is using existing
The conventional means such as mature bolt, rivet, welding in technology, details are not described herein, but will not influence ability due to the above reasons,
The repetition of field technique personnel.
Fire hydrant is placed in inside inner sleeve by the present embodiment, can be stable deposit in outer sleeve, outer sleeve is arranged in
In one through-hole, it ensure that the verticality of outer sleeve in the process of moving up and down, avoid run-off the straight, distinguish tooth in outer sleeve two sides
Line is engaged with transmission mechanism, is conducive to outer sleeve two sides uniform force, guarantees the stability of fire hydrant lifting.
The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model
Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model
Variation and improvement etc., should still belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of underground hydrant, including storage box, storage box top two sides are respectively articulated with the top plate of door-opening type, institute
It states and is placed with fire hydrant in storage box, it is characterised in that:Being horizontally disposed in the storage box has partition, and the partition center opens up
There is first through hole, the partition quadrangle offers the second through-hole, and outer sleeve, the outer sleeve bottom are equipped in the first through hole
End is externally connected to outer land, is internally connected with interior land, abutting in the outer sleeve has inner sleeve, and the fire hydrant lower part is supported
It is connected in the inner sleeve, is provided with water supplying pipe mechanism below the outer sleeve, water supplying pipe mechanism top is by the inner ring
Platform center passes through and is threadedly coupled with the fire hydrant bottom end, and water supplying pipe mechanism bottom end is pierced by by the storage box bottom end,
The outer sleeve two sides are provided with transmission mechanism, hinged on the downside of the transmission mechanism and the top plate, the transmission mechanism also with
The connection of outer sleeve two sides groove, the transmission mechanism are driven by driving motor.
2. a kind of underground hydrant according to claim 1, it is characterised in that:The fire hydrant top is equipped with discharging valve,
Water outlet is equipped at the top of the fire hydrant, the fire hydrant bottom end is connected with outer connecting cylinder, and the water supplying pipe mechanism is from top to bottom
Successively include interior connecting cylinder, bellows and underground extinguishing pipe, be equipped with screw thread outside the interior connecting cylinder, the interior connecting cylinder with
The outer connecting cylinder is threadedly coupled, and the interior connecting cylinder bottom end is externally connected to snap ring, and the snap ring sets up and is connected to described
On the upside of interior land.
3. a kind of underground hydrant according to claim 1, it is characterised in that:The transmission mechanism includes groove band, institute
It states groove band side groove and is engaged with movable plate, described movable plate one end is threaded engagement on lead screw by movable block, the shifting
The movable plate other end is sheathed on guide rod by movable block, and the lead screw top is rotationally connected on end plate, the lead screw bottom end
The storage box bottom end is passed through by second through-hole and is rotationally connected with, the end plate horizontal connection is in two in the storage box
Side, the lead screw are driven by the transmission connection of driving wheel by the driving motor, and it is logical that the guide rod is arranged in described second
In hole, the guide rod both ends are fixedly connected on the end plate and the storage box bottom end, are hinged with connecting rod on the movable block,
The connecting rod other end is articulated on the downside of the top plate, and the groove band other side groove is engaged with the first driving wheel, and described the
One driving wheel groove is engaged with the second driving wheel, and second driving wheel is engaged with the outer sleeve groove.
4. a kind of underground hydrant according to claim 3, it is characterised in that:The first through hole is square hole, institute
Stating the second through-hole is round hole.
5. a kind of underground hydrant according to claim 3, it is characterised in that:On the groove band include the first groove and
Second groove, the groove spacing of first groove are 2 times of the groove spacing of second groove, the movable plate and described
The straight-tooth line engaged with second groove, the groove spacing of the straight-tooth line on first driving wheel are respectively equipped on outer sleeve
It can be engaged respectively with first groove and second groove, the groove spacing of the straight-tooth line on second driving wheel and institute
State the engagement of the second groove.
6. a kind of underground hydrant according to claim 5, it is characterised in that:The groove band, first driving wheel
Pass through shaft respectively with second driving wheel to be rotationally connected on the storage box side wall.
7. a kind of underground hydrant according to claim 1, it is characterised in that:The interior land and the outer land are
Square-shaped frame, the outer sleeve section are square frame, and the inner sleeve section is circular rings, and the inner sleeve is inscribed within described
In outer sleeve, the inner sleeve bottom end is set up on the upside of the interior land, the diameter of the fire hydrant and the inner sleeve internal diameter
It is adapted, the height of the inner sleeve is less than the height of the outer sleeve.
8. a kind of underground hydrant according to claim 3, it is characterised in that:It further include pressure sensor and controller,
It is respectively equipped with pressure sensor on the downside of the end plate, on the upside of the outer land, pressure sensor is embedded on the top plate, it is described
Controller is set to the storage box bottom, and the pressure sensor and the driving motor are connect with the controller.
Priority Applications (1)
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CN201820268572.1U CN208105383U (en) | 2018-02-25 | 2018-02-25 | A kind of underground hydrant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820268572.1U CN208105383U (en) | 2018-02-25 | 2018-02-25 | A kind of underground hydrant |
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Publication Number | Publication Date |
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CN208105383U true CN208105383U (en) | 2018-11-16 |
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ID=64124684
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CN201820268572.1U Expired - Fee Related CN208105383U (en) | 2018-02-25 | 2018-02-25 | A kind of underground hydrant |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110512692A (en) * | 2019-09-04 | 2019-11-29 | 张文波 | A kind of underground hydrant |
CN111236362A (en) * | 2020-01-16 | 2020-06-05 | 山东佑安消防系统有限公司 | Fire hydrant installation method |
-
2018
- 2018-02-25 CN CN201820268572.1U patent/CN208105383U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110512692A (en) * | 2019-09-04 | 2019-11-29 | 张文波 | A kind of underground hydrant |
CN111236362A (en) * | 2020-01-16 | 2020-06-05 | 山东佑安消防系统有限公司 | Fire hydrant installation method |
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Granted publication date: 20181116 |