CN201007014Y - Telescopic underground fire hydrant - Google Patents

Telescopic underground fire hydrant Download PDF

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Publication number
CN201007014Y
CN201007014Y CNU2006201479673U CN200620147967U CN201007014Y CN 201007014 Y CN201007014 Y CN 201007014Y CN U2006201479673 U CNU2006201479673 U CN U2006201479673U CN 200620147967 U CN200620147967 U CN 200620147967U CN 201007014 Y CN201007014 Y CN 201007014Y
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CN
China
Prior art keywords
telescoping
telescoping cylinder
cylinder
seal
piston
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Expired - Fee Related
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CNU2006201479673U
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Chinese (zh)
Inventor
黄云龙
郑红
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Individual
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Abstract

The utility model relates to a fire hydrant for urban fire-fighting equipment, in particular to a telescopic underground fire hydrant which can stretch out of the ground when in use under the ground at ordinary times. In the past, urban fire protection was typically located on the ground. Thus, the urban traffic and the urban beautification are influenced. The fire hydrant arranged underground can well solve the defects. The utility model discloses by inlet tube, telescoping cylinder piston, semi-circular telescoping cylinder piston briquetting, telescoping cylinder apron, telescoping cylinder on sliding sleeve, telescoping cylinder sliding sleeve, flexible pipe, semi-circular flexible pipe briquetting, water sealing plate, rubber slab, outlet pipe, piston rod, the valve cylinder liner that drains, the valve piston that drains, the last cylinder cap of the valve that drains, connecting pipe, flexible union flange, two-position five-way valve control valve etc. constitute. When the fire hydrant is operated, the telescopic cylinder piston drives the telescopic pipe and all parts on the telescopic pipe to move upwards or downwards only by pulling up or pressing down the handle of the two-position five-way control valve, namely the fire hydrant extends out of the ground or retracts into the ground.

Description

Telescopic underground hydrant
Technical field
The utility model relates to a kind of telescopic underground hydrant that is used for urban fire-fighting equipment, relate in particular to a kind of at ordinary times underground, the telescopic underground hydrant that can elevate above the soil during use.
Background technology
In the past, the fire fighting device in city generally is located at ground.Like this, influence urban traffic, also influence urban beautification.Just can well solve above-mentioned deficiency and be located at underground fire plug.The purpose of this utility model is to provide a kind of telescopic underground hydrant that is used for urban fire-fighting equipment.
Summary of the invention
The utility model is made up of water inlet pipe, telescoping cylinder piston, semicircle telescoping cylinder piston briquetting, telescoping cylinder, telescoping cylinder cover plate, telescoping cylinder upper sliding sleeve, telescoping cylinder low sleeve, telescoping tube, semicircle telescoping tube briquetting, water shutoff plate, rubber tile, outlet pipe, piston rod, discharging valve cylinder sleeve, discharging valve piston, discharging valve upper cylinder cover, tube connector, telescoping tube adpting flange, two-position five-way valve control valve etc.
Technical solution of the present utility model
The water inlet of water inlet pipe is connected with water supply pipe; The water inlet pipe port of export is provided with sealed groove, and seal is installed; The water inlet pipe port of export is connected with telescoping cylinder by bolt; The telescoping cylinder low sleeve is installed in the telescoping cylinder; The telescoping cylinder low sleeve is provided with guiding gutter, and this structure makes telescoping cylinder cavity of resorption hydraulic tube connector to communicate with the telescoping cylinder cavity of resorption; The telescoping cylinder low sleeve is provided with sealed groove, and seal is installed; By screw and semicircle telescoping cylinder piston briquetting the telescoping cylinder piston is installed on the telescoping tube; The telescoping cylinder piston is provided with sealed groove, and seal is installed; Seal, telescoping cylinder piston, screw, semicircle telescoping cylinder piston briquetting, telescoping tube are installed in the telescoping cylinder in the lump; The top of telescoping cylinder is provided with telescoping cylinder epicoele hydraulic tube connector; In the upper end of telescoping cylinder, the telescoping cylinder upper sliding sleeve is installed in the telescoping cylinder by telescoping cylinder cover plate and bolt; The telescoping cylinder upper sliding sleeve is provided with sealed groove, and seal is installed; The telescoping tube upper end is connected with tube connector by semicircle telescoping tube briquetting, bolt, telescoping tube adpting flange; The bottom of tube connector is provided with sealed groove, and seal is installed; Bolt links together telescoping tube adpting flange, semicircle telescoping tube briquetting and telescoping tube, and rubber tile also is installed in the middle of outlet pipe and the tube connector simultaneously; The bottom of outlet pipe is provided with sealed groove, and seal is installed; Outlet pipe is provided with press water intake and delivery port; Delivery port is provided with the connecting filament mouth; The effect of press water intake is with the pressure source of tap water as hydraulic system; The top of outlet pipe is provided with discharging valve cylinder sleeve cavity of resorption hydraulic tube connector; Be provided with sealed groove in the top endoporus of outlet pipe, and seal is installed; The top cylindrical of outlet pipe is provided with sealed groove, and seal is installed; Outlet pipe, discharging valve cylinder sleeve, discharging valve upper cylinder cover link together by bolt; The discharging valve upper cylinder cover is provided with discharging valve cylinder sleeve epicoele hydraulic tube connector, the discharging valve upper cylinder cover is provided with sealed groove, and seal is installed; The discharging valve piston is installed in the discharging valve cylinder sleeve; The discharging valve piston is provided with sealed groove, and seal is installed; Piston rod is installed on the discharging valve piston by nut; The lower end of piston rod is equipped with the water shutoff plate by nut; The water shutoff plate is provided with sealed groove, and seal is installed.
Aspect hydraulic pressure, the tap water pressure source is connected with two two-position five-way control valves respectively; The following control mouth of a two-position five-way control valve is connected with telescoping cylinder cavity of resorption hydraulic tube connector, and last control mouth is connected with telescoping cylinder epicoele hydraulic tube connector; The following control mouth of another two-position five-way control valve is connected with discharging valve cylinder sleeve epicoele hydraulic tube connector, and last control mouth is connected with discharging valve cylinder sleeve cavity of resorption hydraulic tube connector.
When needs stretched out fire plug, as long as pull up the handle of a two-position five-way control valve, the import of two-position five-way control valve at this moment communicated with the following control mouth of two-position five-way control valve; The control mouth of going up of two-position five-way control valve then communicates with atmosphere; The route of hydraulic pressure is in proper order: the following control mouth of the import of tap water pressure source, two-position five-way control valve, two-position five-way control valve, telescoping cylinder cavity of resorption hydraulic tube connector; Then press water enters the telescoping cylinder cavity of resorption, promotes the telescoping cylinder piston and moves upward; The telescoping cylinder piston will drive telescoping tube, and be connected all parts on the telescoping tube, and whole among Fig. 3 move upward together, and promptly fire plug elevates above the soil.The loop of hydraulic pressure is in proper order: the going up control mouthful, drain into outside the hydraulic system of the water in the telescoping cylinder epicoele, telescoping cylinder epicoele hydraulic tube connector, two-position five-way control valve.
In the time will opening discharging valve, as long as pull up the handle of another two-position five-way control valve, the import of two-position five-way control valve at this moment communicates with the following control mouth of two-position five-way control valve; The control mouth of going up of two-position five-way control valve then communicates with atmosphere; The route of hydraulic pressure is in proper order: the following control mouth of the import of tap water pressure source, two-position five-way control valve, two-position five-way control valve, discharging valve cylinder sleeve epicoele hydraulic tube connector; Then press water enters discharging valve cylinder sleeve epicoele, promotes the discharging valve piston and moves downward, and drive piston rod and the water shutoff plate moves downward together, has promptly opened discharging valve; At this moment the water in the water supply pipe flows out from delivery port through water inlet pipe, telescoping tube, tube connector, outlet pipe; The loop of hydraulic pressure is in proper order: the water in the discharging valve cylinder sleeve cavity of resorption is controlled mouth through going up of discharging valve cylinder sleeve cavity of resorption hydraulic tube connector, two-position five-way control valve, drains into outside the hydraulic system.
In the time will closing discharging valve, as long as press the handle of this two-position five-way control valve, the import of two-position five-way control valve at this moment communicates with the control mouth of going up of two-position five-way control valve; The following control mouth of two-position five-way control valve then communicates with atmosphere; The route of hydraulic pressure is in proper order: a mouthful phase, discharging valve cylinder sleeve cavity of resorption hydraulic tube connector are controlled in going up of tap water pressure source, two-position five-way control valve; Then press water enters discharging valve cylinder sleeve cavity of resorption; Promote the discharging valve piston and move upward, and drive piston rod and the water shutoff plate moves upward together, promptly closed discharging valve; At this moment the water in the water supply pipe through water inlet pipe, telescoping tube to tube connector; Because the water shutoff plate is in uppermost position in fig-ure, i.e. closed condition, tap water can not enter outlet pipe, and delivery port does not just have tap water to flow out yet; The loop of hydraulic pressure is in proper order: the water in the discharging valve cylinder sleeve epicoele drains into outside the hydraulic system through the following control mouth of discharging valve cylinder sleeve epicoele hydraulic tube connector, two-position five-way control valve.
When needs withdrawals fire plug causes when underground, as long as press the handle of two-position five-way control valve in addition, the import of two-position five-way control valve at this moment communicates with the control mouth of going up of two-position five-way control valve; The following control mouth of two-position five-way control valve then communicates with atmosphere; The route of hydraulic pressure is in proper order: the import of tap water pressure source, two-position five-way control valve, two-position five-way control valve go up control mouthful, telescoping cylinder epicoele hydraulic tube connector, then press water enters the telescoping cylinder epicoele and promotes the telescoping cylinder piston and move downward; The telescoping cylinder piston will drive telescoping tube, and be connected all parts on the telescoping tube, and whole among Fig. 3 move downward together, i.e. fire plug withdrawal is underground; The loop of hydraulic pressure is in proper order: the water in the telescoping cylinder cavity of resorption drains into outside the hydraulic system through the following control mouth of telescoping cylinder cavity of resorption hydraulic tube connector, two-position five-way control valve.
So just finished whole course of action.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
Fig. 2 is the utility model lower junction composition.
Fig. 3 is the utility model upper junction composition.
Fig. 4 is the utility model hydraulic circuit diagram
Specific embodiments
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4.
The utility model is by water inlet pipe (21), telescoping cylinder piston (05), semicircle telescoping cylinder piston briquetting (08), telescoping cylinder (09), telescoping cylinder cover plate (10), telescoping cylinder upper sliding sleeve (12), telescoping cylinder low sleeve (17), telescoping tube (22), semicircle telescoping tube briquetting (23), water shutoff plate (27), rubber tile (28), outlet pipe (29), piston rod (30), discharging valve cylinder sleeve (33), discharging valve piston (34), discharging valve upper cylinder cover (37), tube connector (48), telescoping tube adpting flange (50), two-position five-way control valve (52), two-position five-way control valve compositions such as (53).
The water inlet (01) of water inlet pipe (21) is connected with water supply pipe; Water inlet pipe (21) port of export is provided with sealed groove, and seal (03) is installed; Water inlet pipe (21) port of export is connected with telescoping cylinder (09) by bolt (02); Telescoping cylinder low sleeve (17) is installed in the telescoping cylinder (09); Telescoping cylinder low sleeve (17) is provided with guiding gutter (20), and this structure makes telescoping cylinder cavity of resorption hydraulic tube connector (19) to communicate with the telescoping cylinder cavity of resorption; Telescoping cylinder low sleeve (17) is provided with sealed groove, and seal (16) and seal (18) are installed; By screw (07) and semicircle telescoping cylinder piston briquetting (08) telescoping cylinder piston (05) is installed on the telescoping tube (22); Telescoping cylinder piston (05) is provided with sealed groove, and seal (04) and seal (06) are installed; Seal (04), telescoping cylinder piston (05), seal (06), screw (07), semicircle telescoping cylinder piston briquetting (08), telescoping tube (22) are installed in the telescoping cylinder (09) in the lump; The top of telescoping cylinder (09) is provided with telescoping cylinder epicoele hydraulic tube connector (15); The upper end of telescoping cylinder (09), telescoping cylinder upper sliding sleeve (12) is installed in the telescoping cylinder (09) by telescoping cylinder cover plate (10) and bolt (11); Telescoping cylinder upper sliding sleeve (12) is provided with sealed groove, and seal (13) and seal (14) are installed; Telescoping tube (22) upper end is connected with tube connector (48) by semicircle telescoping tube briquetting (23), bolt (24), telescoping tube adpting flange (50); The bottom of tube connector (48) is provided with sealed groove, and seal (49) is installed; Bolt (46) links together telescoping tube adpting flange (50), semicircle telescoping tube briquetting (23) and telescoping tube (22), and rubber tile (28) also is installed in the middle of outlet pipe (29) and the tube connector (48) simultaneously; The bottom of outlet pipe (29) is provided with sealed groove, and seal (47) is installed; Outlet pipe (29) is provided with press water intake (45) and delivery port (32); Delivery port (32) is provided with connecting filament mouth (31); The effect of press water intake (45) is with the pressure source of tap water as hydraulic system; The top of outlet pipe (29) is provided with discharging valve cylinder sleeve cavity of resorption hydraulic tube connector (43); Be provided with sealed groove in the top endoporus of outlet pipe (29), and seal (44) is installed; The top cylindrical of outlet pipe (29) is provided with sealed groove, and seal (42) is installed; Outlet pipe (29), discharging valve cylinder sleeve (33), discharging valve upper cylinder cover (37) link together by bolt (35); Discharging valve upper cylinder cover (37) is provided with discharging valve cylinder sleeve epicoele hydraulic tube connector (38), discharging valve upper cylinder cover (37) is provided with sealed groove, and seal (36) is installed; Discharging valve piston (34) is installed in the discharging valve cylinder sleeve (33); Discharging valve piston (34) is provided with sealed groove, and seal (40) and seal (41) are installed; Piston rod (30) is installed on the discharging valve piston (34) by nut (39); The lower end of piston rod (30) is equipped with water shutoff plate (27) by nut (25); Water shutoff plate (27) is provided with sealed groove, and seal (26) is installed.
Aspect hydraulic pressure, pressure source is provided with press water intake (45) from outlet pipe (29); Tap water pressure source (51) is connected with the import (54) of two-position five-way control valve (52) and the import (55) of two-position five-way control valve (53) respectively; The following control mouthful (56) of two-position five-way control valve (52) is connected with telescoping cylinder cavity of resorption hydraulic tube connector (19); The control mouthful (57) of going up of two-position five-way control valve (52) is connected with telescoping cylinder epicoele hydraulic tube connector (15); The following control mouthful (58) of two-position five-way control valve (53) is connected with discharging valve cylinder sleeve epicoele hydraulic tube connector (38); The control mouthful (59) of going up of two-position five-way control valve (53) is connected with discharging valve cylinder sleeve cavity of resorption hydraulic tube connector (43).
When needs stretched out fire plug, as long as pull up the handle of two-position five-way control valve (52), the import (54) of two-position five-way control valve (52) at this moment communicated with the following control mouthful (56) of two-position five-way control valve (52); The control mouthful (57) of going up of two-position five-way control valve (52) then communicates with atmosphere; The route of hydraulic pressure is in proper order: following control mouthful (56), the telescoping cylinder cavity of resorption hydraulic tube connector (19) of the import (54) of tap water pressure source (51), two-position five-way control valve (52), two-position five-way control valve (52); Then press water enters telescoping cylinder cavity of resorption (60), promotes telescoping cylinder piston (05) and moves upward; Telescoping cylinder piston (05) will drive telescoping tube (22), and be connected all parts on the telescoping tube (22), and whole among Fig. 3 move upward together, and promptly fire plug elevates above the soil.The loop of hydraulic pressure is in proper order: the going up control mouthful (57), drain into outside the hydraulic system of the water in the telescoping cylinder epicoele (61), telescoping cylinder epicoele hydraulic tube connector (15), two-position five-way control valve (52).
In the time will opening discharging valve (64), as long as pull up the handle of two-position five-way control valve (53), the import (55) of two-position five-way control valve (53) at this moment communicates with the following control mouthful (58) of two-position five-way control valve (53); The control mouthful (59) of going up of two-position five-way control valve (53) then communicates with atmosphere; The route of hydraulic pressure is in proper order: following control mouthful (58), the discharging valve cylinder sleeve epicoele hydraulic tube connector (38) of the import (55) of tap water pressure source (51), two-position five-way control valve (53), two-position five-way control valve (53); Then press water enters discharging valve cylinder sleeve epicoele (63), promotes discharging valve piston (34) and moves downward, and drive piston rod (30) and water shutoff plate (27) moves downward together, has promptly opened discharging valve (64); At this moment the water in the water supply pipe flows out from delivery port (32) through water inlet pipe (21), telescoping tube (22), tube connector (48), outlet pipe (29); The loop of hydraulic pressure is in proper order: the water in the discharging valve cylinder sleeve cavity of resorption (62) is controlled mouthful (59) through going up of discharging valve cylinder sleeve cavity of resorption hydraulic tube connector (43), two-position five-way control valve (53), drains into outside the hydraulic system.
In the time will closing discharging valve (64), as long as press the handle of two-position five-way control valve (53), the import (55) of two-position five-way control valve (53) at this moment communicates with the control mouthful (59) of going up of two-position five-way control valve (53); The following control mouthful (58) of two-position five-way control valve (53) then communicates with atmosphere; The route of hydraulic pressure is in proper order: mouthful (59), a discharging valve cylinder sleeve cavity of resorption hydraulic tube connector (43) are controlled in going up of tap water pressure source (51), two-position five-way control valve (53); Then press water enters discharging valve cylinder sleeve cavity of resorption (62); Promote discharging valve piston (34) and move upward, and drive piston rod (30) and water shutoff plate (27) moves upward together, promptly closed discharging valve (64); At this moment the water in the water supply pipe through water inlet pipe (21), telescoping tube (22) to tube connector (48); Because water shutoff plate (27) is in uppermost position in fig-ure, i.e. closed condition, tap water can not enter outlet pipe (29), and delivery port (32) does not just have tap water to flow out yet; The loop of hydraulic pressure is in proper order: the water in the discharging valve cylinder sleeve epicoele (63) drains into outside the hydraulic system through the following control mouthful (58) of discharging valve cylinder sleeve epicoele hydraulic tube connector (38), two-position five-way control valve (53).
When needs withdrawals fire plug causes when underground, as long as press the handle of two-position five-way control valve (52), the import (54) of two-position five-way control valve (52) at this moment communicates with the control mouth (57) of going up of two-position five-way control valve (52); The following control mouthful (56) of two-position five-way control valve (52) then communicates with atmosphere; The route of hydraulic pressure is in proper order: the import (54) of tap water pressure source (51), two-position five-way control valve (52), two-position five-way control valve (52) go up control mouthful (57), a telescoping cylinder epicoele hydraulic tube connector (15), then press water enters telescoping cylinder epicoele (61) and promotes telescoping cylinder piston (05) and move downward; Telescoping cylinder piston (05) will drive telescoping tube (22), and be connected all parts on the telescoping tube (22), and whole among Fig. 3 move downward together, i.e. fire plug withdrawal is underground; The loop of hydraulic pressure is in proper order: the water in the telescoping cylinder cavity of resorption (60) through the following control mouthful (56) of telescoping cylinder cavity of resorption hydraulic tube connector (19), two-position five-way control valve (52), drain into outside the hydraulic system.
So just finished whole course of action.

Claims (2)

1. telescopic underground hydrant that is used for urban fire-fighting equipment, the utility model is by water inlet pipe (21), telescoping cylinder piston (05), semicircle telescoping cylinder piston briquetting (08), telescoping cylinder (09), telescoping cylinder cover plate (10), telescoping cylinder upper sliding sleeve (12) telescoping cylinder low sleeve (17), telescoping tube (22), semicircle telescoping tube briquetting (23), water shutoff plate (27), rubber tile (28), outlet pipe (29), piston rod (30), discharging valve cylinder sleeve (33), discharging valve piston (34), discharging valve upper cylinder cover (37), tube connector (48), telescoping tube adpting flange (50), two-position five-way control valve (52), two-position five-way control valve compositions such as (53); It is characterized in that: the water inlet (01) of water inlet pipe (21) is connected with water supply pipe; Water inlet pipe (21) port of export is provided with sealed groove, and seal (03) is installed; Water inlet pipe (21) port of export is connected with telescoping cylinder (09) by bolt (02); Telescoping cylinder low sleeve (17) is installed in the telescoping cylinder (09); Telescoping cylinder low sleeve (17) is provided with guiding gutter (20), and this structure makes telescoping cylinder cavity of resorption import (19) to communicate with the telescoping cylinder cavity of resorption; Telescoping cylinder low sleeve (17) is provided with sealed groove, and seal (16) and seal (18) are installed; By screw (07) and semicircle telescoping cylinder piston briquetting (08) telescoping cylinder piston (05) is installed on the telescoping tube (22); Telescoping cylinder piston (05) is provided with sealed groove, and seal (04) and seal (06) are installed; Seal (04), telescoping cylinder piston (05), seal (06), screw (07), semicircle telescoping cylinder piston briquetting (08), telescoping tube (22) are installed in the telescoping cylinder (09) in the lump; The top of telescoping cylinder (09) is provided with telescoping cylinder epicoele import (15); The upper end of telescoping cylinder (09), telescoping cylinder upper sliding sleeve (12) is installed in the telescoping cylinder (09) by telescoping cylinder cover plate (10) and bolt (11); Telescoping cylinder upper sliding sleeve (12) is provided with sealed groove, and seal (13) and seal (14) are installed; Telescoping tube (22) upper end is connected with tube connector (48) by semicircle telescoping tube briquetting (23), bolt (24), telescoping tube adpting flange (50); The bottom of tube connector (48) is provided with sealed groove, and seal (49) is installed; Bolt (46) links together telescoping tube adpting flange (50), semicircle telescoping tube briquetting (23) and telescoping tube (22), and rubber tile (28) also is installed in the middle of outlet pipe (29) and the tube connector (48) simultaneously; The bottom of outlet pipe (29) is provided with sealed groove, and seal (47) is installed; Outlet pipe (29) is provided with press water intake (45) and delivery port (32); Delivery port (32) is provided with connecting filament mouth (31); The effect of press water intake (45) is with the pressure source of tap water as hydraulic system; The top of outlet pipe (29) is provided with discharging valve cylinder sleeve cavity of resorption import (43); Be provided with sealed groove in the top endoporus of outlet pipe (29), and seal (44) is installed; The top cylindrical of outlet pipe (29) is provided with sealed groove, and seal (42) is installed; Outlet pipe (29), discharging valve cylinder sleeve (33), discharging valve upper cylinder cover (37) link together by bolt (35); Discharging valve upper cylinder cover (37) is provided with discharging valve cylinder sleeve epicoele import (38), discharging valve upper cylinder cover (37) is provided with sealed groove, and seal (36) is installed; Discharging valve piston (34) is installed in the discharging valve cylinder sleeve (33); Discharging valve piston (34) is provided with sealed groove, and seal (40) and seal (41) are installed; Piston rod (30) is installed on the discharging valve piston (34) by nut (39); The lower end of piston rod (30) is equipped with water shutoff plate (27) by nut (25); Water shutoff plate (27) is provided with sealed groove, and seal (26) is installed.
2. telescopic underground hydrant according to claim 1 is characterized in that: tap water pressure source (51) are connected with the import (54) of two-position five-way control valve (52) and the import (55) of two-position five-way control valve (53) respectively; The following control mouthful (56) of two-position five-way control valve (52) is connected with telescoping cylinder cavity of resorption import (19); The control mouthful (57) of going up of two-position five-way control valve (52) is connected with telescoping cylinder epicoele import (15); The following control mouthful (58) of two-position five-way control valve (53) is connected with the cylinder epicoele import (38) that discharges water; The control mouthful (59) of going up of two-position five-way control valve (53) is connected with discharging valve cylinder sleeve cavity of resorption import (43).
CNU2006201479673U 2006-10-31 2006-10-31 Telescopic underground fire hydrant Expired - Fee Related CN201007014Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201479673U CN201007014Y (en) 2006-10-31 2006-10-31 Telescopic underground fire hydrant

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Application Number Priority Date Filing Date Title
CNU2006201479673U CN201007014Y (en) 2006-10-31 2006-10-31 Telescopic underground fire hydrant

Publications (1)

Publication Number Publication Date
CN201007014Y true CN201007014Y (en) 2008-01-16

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CNU2006201479673U Expired - Fee Related CN201007014Y (en) 2006-10-31 2006-10-31 Telescopic underground fire hydrant

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102029037A (en) * 2010-12-28 2011-04-27 徐州重型机械有限公司 Water tower fire truck as well as roof fire water monitor lifting device and telescoping cylinder thereof
CN102400481A (en) * 2010-09-16 2012-04-04 陈志坚 Underground fire hydrant by using hydraulic pressure ascending
CN108031047A (en) * 2017-12-16 2018-05-15 费先艳 It is installed on the self extending Concealed fire bolt of town road or architecture storey
CN111167770A (en) * 2020-02-02 2020-05-19 老肯医疗科技股份有限公司 Telescopic rotary spraying device and endoscope cleaning equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102400481A (en) * 2010-09-16 2012-04-04 陈志坚 Underground fire hydrant by using hydraulic pressure ascending
CN102029037A (en) * 2010-12-28 2011-04-27 徐州重型机械有限公司 Water tower fire truck as well as roof fire water monitor lifting device and telescoping cylinder thereof
CN102029037B (en) * 2010-12-28 2012-11-21 徐州重型机械有限公司 Water tower fire truck as well as roof fire water monitor lifting device and telescoping cylinder thereof
CN108031047A (en) * 2017-12-16 2018-05-15 费先艳 It is installed on the self extending Concealed fire bolt of town road or architecture storey
CN111167770A (en) * 2020-02-02 2020-05-19 老肯医疗科技股份有限公司 Telescopic rotary spraying device and endoscope cleaning equipment
CN111167770B (en) * 2020-02-02 2021-12-31 老肯医疗科技股份有限公司 Telescopic rotary spraying device and endoscope cleaning equipment

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