CN103205995A - Filtering anti-collision alarm self-closing fire hydrant - Google Patents
Filtering anti-collision alarm self-closing fire hydrant Download PDFInfo
- Publication number
- CN103205995A CN103205995A CN2012100144668A CN201210014466A CN103205995A CN 103205995 A CN103205995 A CN 103205995A CN 2012100144668 A CN2012100144668 A CN 2012100144668A CN 201210014466 A CN201210014466 A CN 201210014466A CN 103205995 A CN103205995 A CN 103205995A
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- cylinder shell
- key
- self
- collision
- alarm device
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- 238000001914 filtration Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a filtering anti-collision alarm self-closing fire hydrant, which comprises a hydrant body consisting of an upper-barrel shell and a lower-barrel shell, wherein the upper-barrel shell is provided with a fire coupling; an outer shell at the joint of the upper-barrel shell and the lower-barrel shell of the hydrant body is respectively provided with a circle of groove; two side edges of each of two semi-circular anti-collision rings are embedded into one of the grooves; the two anti-collision rings are connected through bolts to form an anti-collision protective device; a sealing valve clack self-closing device is arranged below a valve port in the lower-barrel shell, the top of a sealing valve clack of the device is upwards provided with an opening/closing guide bar in a contact way; a self-control water escape valve is arranged above the valve port; the side wall of the upper part of the lower-barrel shell of the hydrant body is provided with a set of mechanical and electronic alarm device controlled by the anti-collision device; and a stainless steel filter net is arranged at the bottom inlet of the lower-barrel shell of the hydrant body. The filtering anti-collision alarm self-closing fire hydrant is simple and reasonable in structure and convenient to operate, and can fulfill the aims that the hydrant body does not waste water after collision, automatic alarm is timely given out and filth can be filtered.
Description
Technical field
The invention belongs to the fire-fighting equipment technical field, relate to a kind of the realization and can realize the fire plug of warning automatically after automatic sealing, anticollision, filtration foul and round serious collision.
Background technology
Along with country strengthens day by day to constantly improving with whole people's fire-fighting consciousness of fire-fighting safety standard, fire plug has become one of basic facilities of urban construction and industrial and mining enterprises' indispensability.But for a long time, traditional fire plug exists stereotyped at 26S Proteasome Structure and Function, the problem that does not have change and progress, because fire plug generally all is installed in traffic convenience, the tangible place of target, therefore the mistake that is subjected to vehicle etc. is bumped the mistake accident of hitting and is occurred repeatedly, can be leaked in a large number by the fire plug after hitting, the water column that ejects when serious brings destruction can for peripheral facilities and surrounding enviroment, not only cause the precious water resource waste, make troubles for simultaneously the people's life, maintenance or replacing all very bother again, and keep in repair or change the water supply that past contact must stop the whole piece pipe network, brought serious hidden danger to security against fire again.
Also occur some in recent years on the market and had the fire plug of anti-collision structure, but but these technology have been taken some new or even more serious problems out of after having solved crashproof problem, namely because fire plug the water spray state can not occur after being hit, though make the water resource waste phenomenon obtain solution, but but the function of fire plug self disappeared.Reason is very simple, owing to no longer sprayed water after this class fire plug is collided, just be not easy to be realized by the people, the accident that takes place so just easily out in the cold or when not realized the troublemaker flee the scene easily, the situation that causes the unmanned Claims Resolution of property and fire plug in time to be repaired, and in a single day the key that is knocked down part also is easy to be taken away by the people, runs into fire thereafter to take place, fire department but can't normally be fetched water, instead have a strong impact on the normal use of fire fighting device.
In addition, the problem that prior art also exists is: fire protection pipeline is embedded in network of underground for a long time, the cleaning work of pipe-line system is out in the cold easily, pipeline is because long-time the use, can produce iron rust, having the sheet iron rust when serious comes off, destroy the sealing flap of fire plug easily, cause flap can't reach obturation effect, waste water resource if impurity enters into fire fighting truck from fire plug, may cause fire fighting device blocked, may cause when serious that equipment is destroyed in the pipeline, it can't run well in addition.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective that prior art exists, provide a kind of simple and reasonable, easy to operate, can realize meeting collision back key and do not waste water and in time report to the police automatically and the filtration anticollision that can the filter foul self-closing fire plug of reporting to the police.
The technical solution that adopts is so for achieving the above object: the filtration anticollision that the provides self-closing fire plug of reporting to the police comprises one by last, following cylinder shell is in conjunction with the key that constitutes, the upper end of the last cylinder shell of key has gland, the top cylinder housing wall is provided with fire coupling, the bottom entrance of the following cylinder shell of key is connected with the water for fire grid, it is characterized in that, (1), on key, respectively process the recessed formula groove of a circle on the shell of following cylinder shell binding site, the dual-side of two cross sections semicircular crashproof ring that is concavity is embedded respectively, in the recessed formula groove on the following cylinder shell shell, two semicircle crashproof interannulars connect the anti-collision protection device that the back constitutes a complete circle ring type by bolt; (2), in the following cylinder shell of key, be provided with the valve port of a undergauge, have the sealing flap self-closing device of a band sealing flap at valve port, its sealing flap end face upwards contact is provided with the keying guide rod, the last cylinder shell engage sleeves that key is passed in the upper end that opens and closes guide rod is connected on the keying adjustment nut that is connected with gland by the operation axostylus axostyle, is provided with an automatic control drain valve above valve port; (3), the upper portion side wall place of cylinder shell is provided with a cover by machinery and the electronic alarm device of anticollision device, collision-prevention device control under key; (4), the stainless steel screen pack is equipped with in the entrance, bottom of cylinder shell under key.
Technical solution of the present invention also is: said sealing flap self-closing device is made up of sealing flap, baffle, sleeve spring, and an end of sleeve spring is connected under the sealing flap, and the sleeve part of the other end is stretched and is located in the baffle.
Technical solution of the present invention also is: said machinery and electronic alarm device comprise mechanical alarm device and electronic alarm device two parts, wherein, (A), mechanical alarm device has a water outlet that is arranged on key doffing housing sidewall place, water outlet top has the conical sealing seat mouth on the upper wall end edge of cylinder shell under the pass-out key, the packed-piston of a band roof pressure regulating spring is installed on the top of seal receptacle mouth, the top of roof pressure regulating spring is installed on the open-close on-off, on key, after following cylinder shell closes by crashproof loops, open-close on-off is subjected to cylinder shell deadweight effect to make the roof pressure regulating spring compress contraction, the overhead packed-piston seals the seal receptacle mouth, when crashproof ring fracture makes, after following cylinder shell breaks away from combination, the roof pressure regulating spring is upheld, and makes the conducting of seal receptacle mouth; (B) electronic alarm device is formed by being arranged on buzzer, loudspeaker and an electronic switch in the insulative water-proof protection chamber; the control end of electronic switch is located at open-close on-off position in the mechanical alarm device; when the upper and lower cylinder shell of key fashionable by crashproof loops; electronic switch is in off-state; when the fracture of crashproof ring make upper and lower cylinder shell break away from conjunction with the time; electronic switch closes makes buzzer and speaker operation.
Technical solution of the present invention also is: the recessed formula groove at upper and lower cylinder shell is built-in with sealing ring.
When the present invention normally used, crashproof ring combined the upper and lower cylinder shell of key, drove the sealing flap and moved up and down and make valve port close or open by screwing the operation axostylus axostyle, and this moment, machinery and electronic alarm device were not worked.After key is subjected to the external force collision, crashproof ring can play the effect of protection key, a crashproof ring when external force is strong slightly in the two crashproof rings can rupture voluntarily, plays the big effect of house Xiao Gu (only need to change the crashproof ring of corrupted in the case, can allow fire plug come into operation quickly); When because being subjected to external force collision that cylinder shell is fractureed or damage and fire plug inside when hydraulic pressure is arranged, hydraulic pressure is pushed flap to valve port to be made it to seal self-closing, fire plug self hydraulic pressure is more big, the sealing performance of self-closing sealing flap is more good, because the present invention will seal the design of flap self-closing device in the bottom of fire plug, any collision can not influence it to be used, thereby can effectively solve the water resource leakage problem after the fire plug collision, guarantees the safety of water for fire; Meanwhile, its deadweight effect to roof pressure regulating spring in the mechanical alarm device of back disappears because last cylinder shell fractures, headstock gear is not subjected to the external force roof pressure, spring will flick, mechanical alarm device will be in opening, the water of fire plug will eject tiny water column from the seal receptacle mouth by water outlet, the caution fire plug is broken, need in time to repair, electronic alarm device also sends audible alarm thereupon simultaneously, prompting troublemaker and all pedestrians report to the police to relevant department, can realize sealing above only the last cylinder shell of fire plug need being placed on after the staff receives a crime report, and recovery is normally used.Electronic alarm device among the present invention is consistent with the effect of mechanical alarm device, plays the effect of double shield, and when guaranteeing that therein a system breaks down, another system also can play a role.Except above-mentioned anticollision is reported to the police the self-closing function, the effect that set stainless steel screen pack can realize filtering foul under the fire plug, it can remove the impurity in the pipe-line system medium effectively, guarantees the front end of contaminant filter at fire plug, guarantees that fire plug and ducted other equipment normally use.
Compared with prior art, simple and reasonable, easy to operate, good reliability of the present invention, this structure is met collision back key and is not wasted water, can in time report to the police automatically and also can filter foul, under the situation of the usability that does not influence fire plug and safety, simplify the structure, saved resource, reduced cost, reached the purpose of optimizing allocation of resources, strengthen function of use.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the present invention.
Fig. 2 is the structural representation of machinery and electronic alarm device among the present invention.
The title of each label is respectively in the accompanying drawing: the 1-baffle, and the 2-sleeve spring, 3-seals flap; 4-machinery and electronic alarm device, 5-water outlet, 6-packed-piston; 7-seal receptacle mouth, 8-roof pressure regulating spring, 9-open-close on-off; the 10-adjusting nut, 11-water jet, 12-buzzer; the 13-electronic switch, 14-loudspeaker, 15-insulative water-proof protection chamber; the 16-fire coupling, 17-operates axostylus axostyle, and 18-opens and closes and adjusts nut; the 19-airtight and watertight padding, 20-stainless steel screen pack, 21-automatic control drain valve; 22-opens and closes guide rod; 23-opens and closes guide bar support, the crashproof ring of 24-, 25-sealing ring; the 26-key, the 27-gland.
The specific embodiment
Below with reference to accompanying drawing content of the present invention is described further, but practical application form of the present invention is not limited in illustrated embodiment.
Referring to accompanying drawing; filtration anticollision of the present invention report to the police self-closing fire plug comprise one by upper and lower cylinder shell in conjunction with the key 26 that constitutes; the upper end of the last cylinder shell of key 26 has gland 27; the top cylinder housing wall is provided with fire coupling 16; in the following cylinder shell of key 26, be provided with the valve port of a undergauge; the bottom entrance of the following cylinder shell of key 26 is connected with the water for fire grid, is provided with anti-collision protection device, sealing flap self-closing device, machinery and electronic alarm device and filter at fire plug.
1, anti-collision protection device.On the shell of the upper and lower cylinder shell binding site of key 26, respectively process the recessed formula groove of a circle; be that the dual-side of the crashproof ring 24 of semicircular metal system of concavity embeds respectively in the recessed formula groove on the upper and lower cylinder shell shell with two cross sections; be built-in with 24 anti-collision protection devices that connect a formation complete circle ring type in back by bolt of sealing ring 25, two semicircle crashproof rings at the recessed formula groove of recessed formula groove inner bottom part indent formula groove.
2, sealing flap self-closing device.Sealing flap self-closing device is located under the valve port, is made up of sealing flap 3, baffle 1, sleeve spring 2, and an end of sleeve spring 2 is connected the sealing flap 3 times, and the sleeve part of the other end is stretched and is located in the baffle 1.On the project organization, sealing flap 3 adopts nitrile rubber to coat, and guarantees its sealing performance and application life; Sealing flap 3 end faces upwards contact are provided with and open and close guide rod 22, and the last cylinder shell engage sleeves that key 26 is passed in the upper end that opens and closes guide rod 22 is connected on the keying adjustment nut 10 that is connected with gland 27 by operation axostylus axostyle 17.
3, machinery and electronic alarm device.As shown in Figure 2, machinery and electronic alarm device 4 are arranged on the upper portion side wall place of 26 times cylinder shells of key, comprise mechanical alarm device and electronic alarm device two parts, wherein: mechanical alarm device has a water outlet 5 that is arranged on key 26 doffing housing sidewall places, water outlet 5 tops have the conical sealing seat mouth 7 on the upper wall end edge of 26 times cylinder shells of a pass-out key, the packed-piston 6 of a band roof pressure regulating spring 8 is installed on the top of seal receptacle mouth 7, the top of roof pressure regulating spring 8 is installed on the open-close on-off 9, the narrow thin water jet 11 that can eject tiny water column is housed on the open-close on-off 9, on key 26, after following cylinder shell passes through crashproof ring 24 combinations, open-close on-off 9 is subjected to cylinder shell deadweight effect to make roof pressure regulating spring 8 compress contraction, overhead packed-piston 6 seals seal receptacle mouth 7, when crashproof ring 24 fractures make, after following cylinder shell breaks away from combination, roof pressure regulating spring 8 is upheld, and makes 7 conductings of seal receptacle mouth; Electronic alarm device is formed by being arranged on buzzer 12, loudspeaker 14 and an electronic switch 13 in the insulative water-proof protection chamber 15; the control end of electronic switch 13 is located at open-close on-off 9 positions in the mechanical alarm device; when the upper and lower cylinder shell of key 26 by crashproof ring 24 in conjunction with the time; electronic switch 13 is in off-state; when 24 fractures of crashproof ring make upper and lower cylinder shell break away from conjunction with the time; electronic switch 13 closures make buzzer 12 and loudspeaker 14 work.
4, filter.Filter is made of the stainless steel screen pack 20 of the entrance, bottom that is installed in 26 times cylinder shells of key, can realize filtering the effect of foul, guarantee the front end of contaminant filter at fire plug, guarantee that fire plug and ducted other equipment normally use, this filter is compared with traditional private filter can save 90% cost, time saving and energy saving economical again, simple and convenient safety again.
Claims (4)
1. one kind is filtered the anticollision self-closing fire plug of reporting to the police, comprise a key (26) that is constituted by upper and lower cylinder shell combination, the upper end of the last cylinder shell of key (26) has gland (27), the top cylinder housing wall is provided with fire coupling (16), the bottom entrance of the following cylinder shell of key (26) is connected with the water for fire grid, it is characterized in that:
1.1 on the shell of the upper and lower cylinder shell binding site of key (26), respectively process the recessed formula groove of a circle, be that the dual-side of the semicircular crashproof ring (24) of concavity embeds respectively in the recessed formula groove on the upper and lower cylinder shell shell with two cross sections, connect the anti-collision protection device that the back constitutes a complete circle ring type by bolt between two semicircle crashproof rings (24);
1.2 in the following cylinder shell of key (26), be provided with the valve port of a undergauge, have the sealing flap self-closing device of a band sealing flap (3) at valve port, its sealing flap (3) end face upwards contact is provided with keying guide rod (22), the last cylinder shell engage sleeves that key (26) is passed in the upper end that opens and closes guide rod (22) is connected on the keying adjustment nut (10) that is connected with gland (27) by operation axostylus axostyle (17), is provided with an automatic control drain valve (21) above valve port;
1.3 be provided with a cover by machinery and the electronic alarm device (4) of anticollision device, collision-prevention device control in the upper portion side wall place of cylinder shell down at key (26);
1.4 stainless steel screen pack (20) is housed the entrance, bottom of cylinder shell down at key (26).
2. the filtration anticollision according to claim 1 self-closing fire plug of reporting to the police, it is characterized in that said sealing flap self-closing device is made up of sealing flap (3), baffle (1), sleeve spring (2), one end of sleeve spring (2) is connected under the sealing flap (3), and the sleeve part of the other end is stretched and is located in the baffle (1).
3. the filtration anticollision according to claim 1 self-closing fire plug of reporting to the police is characterized in that said machinery and electronic alarm device (4) comprise mechanical alarm device and electronic alarm device two parts, wherein:
3.1 mechanical alarm device has a water outlet (5) that is arranged on key (26) doffing housing sidewall place, water outlet (5) top has the conical sealing seat mouth (7) on the upper wall end edge of cylinder shell under the pass-out key (26), the packed-piston (6) of a band roof pressure regulating spring (8) is installed on the top of seal receptacle mouth (7), the top of roof pressure regulating spring (8) is installed on the open-close on-off (9), on key (26), after following cylinder shell passes through crashproof ring (24) combination, open-close on-off (9) is subjected to cylinder shell deadweight effect to make roof pressure regulating spring (8) compress contraction, overhead packed-piston (6) seals seal receptacle mouth (7), when crashproof ring (24) fracture makes, after following cylinder shell breaks away from combination, roof pressure regulating spring (8) is upheld, and makes seal receptacle mouth (7) conducting;
3.2 electronic alarm device is made up of the buzzer (12), loudspeaker (14) and the electronic switch (13) that are arranged in the insulative water-proof protection chamber (15); the control end of electronic switch (13) is located at open-close on-off in the mechanical alarm device (9) position; when the upper and lower cylinder shell of key (26) by crashproof ring (24) in conjunction with the time; electronic switch (13) is in off-state; when crashproof ring (24) fracture make upper and lower cylinder shell break away from conjunction with the time; electronic switch (13) closure makes the work of buzzer (12) and loudspeaker (14).
4. the filtration anticollision according to claim 1 self-closing fire plug of reporting to the police is characterized in that being built-in with sealing ring (25) at the recessed formula groove of upper and lower cylinder shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014466.8A CN103205995B (en) | 2012-01-17 | 2012-01-17 | Filter the self-closing fire plug of anti-collision alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210014466.8A CN103205995B (en) | 2012-01-17 | 2012-01-17 | Filter the self-closing fire plug of anti-collision alarm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103205995A true CN103205995A (en) | 2013-07-17 |
| CN103205995B CN103205995B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210014466.8A Active CN103205995B (en) | 2012-01-17 | 2012-01-17 | Filter the self-closing fire plug of anti-collision alarm |
Country Status (1)
| Country | Link |
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| CN (1) | CN103205995B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055846A (en) * | 2017-06-22 | 2017-08-18 | 徐州徐工液压件有限公司 | A kind of flexible water pipe inherent filtration structure of fire fighting truck aluminium alloy |
| CN108797710A (en) * | 2018-07-25 | 2018-11-13 | 温州西犇电子科技有限公司 | municipal anti-collision fire hydrant |
| CN112609774A (en) * | 2021-01-18 | 2021-04-06 | 南京实京立贸易有限公司 | Emergent buffer stop of road fire hydrant |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408904Y (en) * | 1999-12-29 | 2000-12-06 | 高延超 | Conical surface top sealed multipurpose indoor hydrant |
| TW493634U (en) * | 2001-12-11 | 2002-07-01 | Cheng Deh Fire Prot Ind Corp | Anti-bumping hydrant bearing piece (seat) device able to adjust position of fire hydrant 360 degree angle |
| WO2007012631A1 (en) * | 2005-07-26 | 2007-02-01 | Vonroll Infratec (Investment) Ag | Monitoring arrangement and method for recording manipulations on hydrants |
| CN201206257Y (en) * | 2008-02-25 | 2009-03-11 | 捷耐特阀门集团有限公司 | Self-closing anti-collision hydrant |
| CN201820341U (en) * | 2010-10-18 | 2011-05-04 | 傅小红 | Wireless fault alarm device of fire hydrant |
| CN202440882U (en) * | 2012-01-17 | 2012-09-19 | 捷耐特阀门集团有限公司 | Anti-collision hydrant capable of filtering, alarming and self-closing |
-
2012
- 2012-01-17 CN CN201210014466.8A patent/CN103205995B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2408904Y (en) * | 1999-12-29 | 2000-12-06 | 高延超 | Conical surface top sealed multipurpose indoor hydrant |
| TW493634U (en) * | 2001-12-11 | 2002-07-01 | Cheng Deh Fire Prot Ind Corp | Anti-bumping hydrant bearing piece (seat) device able to adjust position of fire hydrant 360 degree angle |
| WO2007012631A1 (en) * | 2005-07-26 | 2007-02-01 | Vonroll Infratec (Investment) Ag | Monitoring arrangement and method for recording manipulations on hydrants |
| CN201206257Y (en) * | 2008-02-25 | 2009-03-11 | 捷耐特阀门集团有限公司 | Self-closing anti-collision hydrant |
| CN201820341U (en) * | 2010-10-18 | 2011-05-04 | 傅小红 | Wireless fault alarm device of fire hydrant |
| CN202440882U (en) * | 2012-01-17 | 2012-09-19 | 捷耐特阀门集团有限公司 | Anti-collision hydrant capable of filtering, alarming and self-closing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055846A (en) * | 2017-06-22 | 2017-08-18 | 徐州徐工液压件有限公司 | A kind of flexible water pipe inherent filtration structure of fire fighting truck aluminium alloy |
| CN108797710A (en) * | 2018-07-25 | 2018-11-13 | 温州西犇电子科技有限公司 | municipal anti-collision fire hydrant |
| CN112609774A (en) * | 2021-01-18 | 2021-04-06 | 南京实京立贸易有限公司 | Emergent buffer stop of road fire hydrant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103205995B (en) | 2015-09-23 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Filtering anti-collision alarm self-closing fire hydrant Effective date of registration: 20161129 Granted publication date: 20150923 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: JNT Valve Group Co., Ltd. Registration number: 2016990001036 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171226 Granted publication date: 20150923 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: JNT Valve Group Co., Ltd. Registration number: 2016990001036 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Filtering anti-collision alarm self-closing fire hydrant Effective date of registration: 20171226 Granted publication date: 20150923 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: JNT Valve Group Co., Ltd. Registration number: 2017990001225 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180925 Granted publication date: 20150923 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: JNT Valve Group Co., Ltd. Registration number: 2017990001225 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Filtering anti-collision alarm self-closing fire hydrant Effective date of registration: 20180925 Granted publication date: 20150923 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: JNT Valve Group Co., Ltd. Registration number: 2018990000863 |