CN111705875B - Municipal administration fire hydrant drainage device - Google Patents
Municipal administration fire hydrant drainage device Download PDFInfo
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- CN111705875B CN111705875B CN202010606951.9A CN202010606951A CN111705875B CN 111705875 B CN111705875 B CN 111705875B CN 202010606951 A CN202010606951 A CN 202010606951A CN 111705875 B CN111705875 B CN 111705875B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000005457 optimization Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 101100234547 Caenorhabditis elegans rod-1 gene Proteins 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000035217 Ring chromosome 1 syndrome Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/04—Column hydrants
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/14—Draining devices for hydrants
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a municipal fire hydrant drainage device which structurally comprises a fire hydrant, an anti-theft sleeve, an emergency closing mechanism, a water inlet pipe and a connecting flange, wherein the fire hydrant consists of a main body, a drainage elbow, a valve power mechanism, a connecting pipe and a drainage mechanism, the fire hydrant can quickly open the drainage mechanism in one drainage elbow or two drainage elbows through the valve power mechanism, so that the water outlet efficiency of the fire hydrant is greatly improved, the spreading speed of fire disasters is avoided as much as possible, valuable time is increased for recourse, when the fire hydrant is damaged, the emergency closing mechanism is used for closing the top end of the water inlet pipe, the waste of water sources is avoided, and the water source closing speed is improved.
Description
Technical Field
The invention relates to the technical field of drainage, in particular to a drainage device for a municipal fire hydrant.
Background
The fire hydrant is a fixed fire-fighting equipment, mainly used for controlling combustibles, isolating combustion-supporting substances and eliminating ignition sources, and is divided into an indoor fire hydrant and an outdoor fire hydrant. Outdoor fire hydrant is also called municipal fire hydrant majority is fixed mounting on both sides of road, and municipal fire hydrant among the prior art generally includes fire hydrant main part, bottom plate and top cap, and the top side intercommunication of fire hydrant main part has the delivery port, and the bottom plate passes through the bolt snap-on subaerial.
However, when a fire disaster occurs, a fireman needs to quickly connect and discharge the fire hydrant, the existing fire hydrant switch needs to be turned and unscrewed for multiple times, the drainage efficiency is delayed, a more serious fire disaster can be caused, and when the fire hydrant switch is driven or backed up, the condition that the vehicle collides against the fire hydrant can be caused frequently due to misoperation of a driver, the fire hydrant is directly collided in serious conditions, water flow is discharged outwards, a water source cannot be closed in time, and a large amount of water source waste can be caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: a municipal fire hydrant drainage device structurally comprises a fire hydrant, an anti-theft sleeve, an emergency closing mechanism, a water inlet pipe and a connecting flange, wherein the anti-theft sleeve is arranged at the top end of the fire hydrant, the fire hydrant is in threaded connection with the anti-theft sleeve, the water inlet pipe is arranged below the bottom end of the fire hydrant, the fire hydrant is connected with the water inlet pipe through the emergency closing mechanism, the connecting flange is arranged below the bottom end of the water inlet pipe, and the water inlet pipe and the connecting flange are of an integrated structure;
the fire hydrant comprises main part, drainage return bend, valve power unit, connecting pipe, drainage mechanism, the main part left and right sides on all be equipped with the drainage return bend, main part and drainage return bend structure as an organic whole, main part top intermediate position on install valve power unit, the main part top on be equipped with two connecting pipes, main part and connecting pipe be connected, the inside drainage mechanism that is equipped with of drainage return bend, drainage mechanism and valve power unit cooperate.
As a further optimization of the technical scheme, the main body further comprises a semicircular water draining plate, a protection plate and a slide rail groove, the semicircular water draining plate is arranged on the top end of the inner side of the main body, and the main body is connected with the semicircular water draining plate.
As a further optimization of the technical scheme, the valve power mechanism comprises a valve rod, a screwing head, a first hexagonal wrench head and a second hexagonal wrench head, the screwing head is arranged on the top end of the valve rod, the valve rod and the screwing head are of an integrated structure, the first hexagonal wrench head and the second hexagonal wrench head are sequentially arranged at the bottom end of the valve rod from top to bottom, and the first hexagonal wrench head and the second hexagonal wrench head are fixedly connected with the valve rod.
As a further optimization of the technical scheme, the surface of the valve rod is provided with a mark strip, and the valve rod and the mark strip are of an integrated structure.
As a further optimization of the technical scheme, a positioning telescopic rod is arranged below the bottom end of the second hexagonal wrench head, the second hexagonal wrench head is connected with the positioning telescopic rod, and a spring is arranged on the surface of the positioning telescopic rod.
As further optimization of this technical scheme, drainage mechanism constitute by hexagon nut, connecting rod, valve plug, one of connecting rod serve and be equipped with hexagon nut, connecting rod and hexagon nut structure as an organic whole, the connecting rod other end on be equipped with the valve plug, connecting rod and valve plug adopt clearance fit.
As a further optimization of the technical scheme, the valve plug is provided with a rubber sealing ring on the surface, and the valve plug is connected with the rubber sealing ring in an adhesive mode.
As a further optimization of the technical scheme, the emergency closing mechanism is composed of a water closing disc, a first semicircular valve block, a convex insertion strip, a concave closing strip, a second semicircular valve block and a thread pushing hole, wherein the first semicircular valve block and the second semicircular valve block are arranged at the left end and the right end inside the water closing disc respectively, the first semicircular valve block and the second semicircular valve block are matched with the water closing disc in a sliding mode, the convex insertion strip is arranged on the surface of the first semicircular valve block, the first semicircular valve block is connected with the convex insertion strip, the concave closing strip is arranged on the surface of the second semicircular valve block, the second semicircular valve block is fixedly connected with the concave closing strip, and the thread pushing hole is formed in the inner sides of the first semicircular valve block and the second semicircular valve block.
As a further optimization of the technical scheme, the first hexagonal wrench head and the second hexagonal wrench head are both movably connected with the hexagonal nut.
As the further optimization of the technical scheme, the valve plug and the anti-theft sleeve are parallel to each other.
As a further optimization of the technical scheme, the fire hydrant is communicated with the water inlet pipe.
Advantageous effects
The invention relates to a municipal fire hydrant drainage device, an anti-theft sleeve is mainly used for protecting a connecting pipe from dust accumulation to influence the connection of a fire water pipe at ordinary times, when the fire hydrant is needed, the anti-theft sleeve is quickly rotated to connect the fire water pipe, a first hexagonal wrench and a second hexagonal wrench are controlled by a valve rod to open a drainage mechanism, the drainage mechanisms in a left drainage elbow and a right drainage elbow can be correspondingly opened through the lifting position of a marking strip on the valve rod, one drainage mechanism can be singly opened or two drainage mechanisms can be simultaneously opened through the lifting positions of the first hexagonal wrench and the second hexagonal wrench, when the second hexagonal wrench is lifted to the topmost end, the second hexagonal wrench is meshed with a hexagonal nut, the valve rod drives the hexagonal nut to rotate through the second hexagonal wrench, the hexagonal nut drives a valve plug to slide towards the inner side of a slide rail groove by the aid of the connecting rod, so that the drainage elbows are communicated with the connecting pipe, the valve plug utilizes the closed drainage return bend of rubber seal, avoid the condition that the drainage return bend appears leaking, rivers are gushed into the fire hydrant by the inlet tube, reduce the impact of rivers to the inside top of fire hydrant through the semicircle sluicing board, rivers get into back in the fire hydrant, rethread drainage return bend gets into the connecting pipe and carries out drainage work, when the fire hydrant appears damaging, it is downthehole to advance through threaded rod insert screw, the rotary threaded rod, promote first semicircle valve block and second semicircle valve block through the threaded rod and move toward the disk intermediate position that closes, when first semicircle valve block and second semicircle valve block paste each other, first semicircle valve block utilizes the gomphosis of concave type closure strip on protruding type cutting and the second semicircle valve block mutually, close the inlet tube top, avoid the waste at water source, the water source speed of closing has been improved.
Compared with the prior art, the invention has the beneficial effects that: the fire hydrant passes through the drainage mechanism in opening a drainage return bend or two drainage return bends that valve power unit can be quick for the fire hydrant goes out the great improvement of water efficiency, avoid the speed of stretching of conflagration as far as, for seeking help has increased the valuable time, when the damage appears in the fire hydrant, utilize urgent closing mechanism to carry out the closure to the inlet tube top, avoid the waste at water source, improved and closed water source speed, this design is the urgent water effect that closes that is used for when the fire hydrant is destroyed.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a municipal fire hydrant drainage device of the invention.
Fig. 2 is a schematic front sectional view of a municipal hydrant drainage device according to the present invention.
Fig. 3 is a schematic structural diagram of the valve actuating mechanism according to the present invention.
Fig. 4 is a schematic top sectional view of the hydrant of the present invention.
Fig. 5 is a schematic structural view of the drainage mechanism of the present invention.
Fig. 6 is a schematic structural view of the emergency closing mechanism of the present invention.
In the figure: the fire hydrant comprises a fire hydrant body-1, an anti-theft sleeve-2, an emergency closing mechanism-3, a water inlet pipe-4, a connecting flange-5, a main body-1 a, a water drainage elbow-1 b, a valve power mechanism-1 c, a connecting pipe-1 d, a water drainage mechanism-1 e, a semicircular water drain plate-1 a1, a protection plate-1 a2, a slide rail groove-1 a3, a valve rod-1 c1, a screwing head-1 c2, a first hexagonal wrench head-1 c3, a second hexagonal wrench head-1 c4, a marking strip-1 c11, a positioning telescopic rod-1 c41, a spring-1 c42, a hexagonal nut-1 e1, a connecting rod-1 e2, a valve plug-1 e3, a rubber sealing ring-1 e31, a water closing disc-3 a, a first semicircular valve sheet-3 b, a convex inserting strip-3 c, a water drain pipe-1 c, a, A concave closing strip-3 d, a second semicircular valve plate-3 e and a thread pushing hole-3 f.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example 1
Referring to fig. 1-5, the invention provides a municipal fire hydrant drainage device, which structurally comprises a fire hydrant 1, an anti-theft sleeve 2, an emergency closing mechanism 3, a water inlet pipe 4 and a connecting flange 5, wherein the anti-theft sleeve 2 is arranged at the top end of the fire hydrant 1, the fire hydrant 1 is in threaded connection with the anti-theft sleeve 2, the water inlet pipe 4 is arranged below the bottom end of the fire hydrant 1, the fire hydrant 1 is connected with the water inlet pipe 4 through the emergency closing mechanism 3, the connecting flange 5 is arranged below the bottom end of the water inlet pipe 4, and the water inlet pipe 4 and the connecting flange 5 are of an integrated structure;
The main body 1a further comprises a semicircular drain board 1a1, a protection board 1a2 and a slide rail groove 1a3, the top end of the inner side of the main body 1a is provided with the semicircular drain board 1a1, and the main body 1a is connected with the semicircular drain board 1a 1.
The valve power mechanism 1c comprises a valve rod 1c1, a screwing head 1c2, a first hexagonal wrench head 1c3 and a second hexagonal wrench head 1c4, wherein the top end of the valve rod 1c1 is provided with a screwing head 1c2, the valve rod 1c1 and the screwing head 1c2 are of an integrated structure, the bottom end of the valve rod 1c1 is sequentially provided with a first hexagonal wrench head 1c3 and a second hexagonal wrench head 1c4 from top to bottom, and the first hexagonal wrench head 1c3 and the second hexagonal wrench head 1c4 are fixedly connected with the valve rod 1c 1.
The surface of the valve rod 1c1 is provided with a marking strip 1c11, and the valve rod 1c1 and the marking strip 1c11 are of an integrated structure.
A positioning telescopic rod 1c41 is arranged below the bottom end of the second hexagonal wrench head 1c4, the second hexagonal wrench head 1c4 is connected with the positioning telescopic rod 1c41, and a spring 1c42 is arranged on the surface of the positioning telescopic rod 1c 41.
The valve plug 1e3 on be equipped with rubber seal 1e31 on the surface, valve plug 1e3 and rubber seal 1e31 glue be connected.
The principle of the embodiment: the anti-theft sleeve 2 is mainly used for protecting the connecting pipe 1d from dust accumulation to affect the connection of a fire water pipe, when the fire hydrant 1 is needed, the anti-theft sleeve 2 is quickly rotated to open the fire water pipe, the valve rod 1c1 is used for controlling the first hexagonal wrench head 1c3 and the second hexagonal wrench head 1c4 to open the drainage mechanism 1e, the lifting position of the identification strip 1c11 on the valve rod 1c1 is used for correspondingly opening the drainage mechanisms 1e in the left and right two drainage elbows 1b, the lifting position of the first hexagonal wrench head 1c3 and the second hexagonal wrench head 1c4 is used for opening one drainage mechanism 1e or simultaneously opening the two drainage mechanisms 1e, when the second hexagonal wrench head 1c4 is lifted to the top end, the second hexagonal wrench head 1c4 is meshed with the hexagonal nut 1e1, the valve rod 1c1 drives the hexagonal wrench head 1c4 to drive the hexagonal nut 1e1 to rotate through the second hexagonal wrench head 1c4, the hexagonal nut 1e 36 1 drives the hexagonal valve plug to slide towards the inner side of the chute 3638, make drainage return bend 1b and connecting pipe 1d be linked together, valve plug 1e3 utilizes closed drainage return bend 1b of rubber seal 1e31, avoids drainage return bend 1b the condition of leaking to appear, and rivers are gushed into fire hydrant 1 by inlet tube 4, reduce the impact of rivers to the inside top of fire hydrant 1 through semicircle sluicing board 1a1, and rivers get into behind the fire hydrant 1, rethread drainage return bend 1b gets into connecting pipe 1d and carries out drainage work.
The method for solving the problems in the embodiment is as follows: fire hydrant 1 can be quick through valve power unit 1c open drainage mechanism 1e in drainage return bend 1b or two drainage return bends 1b for the great improvement of water efficiency of fire hydrant 1 avoids the speed of stretching of conflagration as far as, has increased valuable time for seeking help.
Example 2
Referring to fig. 1-6, the present invention provides a municipal fire hydrant drainage device, the emergency closing mechanism 3 comprises a water closing disk 3a, a first semicircular valve plate 3b, a convex insertion strip 3c, a concave closing strip 3d, a second semicircular valve plate 3e, and a screw pushing hole 3f, the left end and the right end inside the water closing disc 3a are respectively provided with a first semicircular valve plate 3b and a second semicircular valve plate 3e, the first semicircular valve plate 3b and the second semicircular valve plate 3e are in sliding fit with the water closing disc 3a, the surface of the first semicircular valve plate 3b is provided with a convex inserting strip 3c, the first semicircular valve plate 3b is connected with the convex inserting strip 3c, a concave closing strip 3d is arranged on the surface of the second semicircular valve plate 3e, the second semicircular valve plate 3e is fixedly connected with the concave closing strip 3d, and the inner sides of the first semicircular valve plate 3b and the second semicircular valve plate 3e are respectively provided with a thread pushing hole 3 f.
First hexagonal spanner 1c3 and second hexagonal spanner 1c4 all with hexagon nut 1e1 swing joint, valve plug 1e3 and theftproof cover 2 between the two be parallel to each other, fire hydrant 1 and inlet tube 4 be linked together.
The principle of the embodiment: when damage appears in fire hydrant 1, insert in screw propulsion hole 3f through the threaded rod, rotatory threaded rod, promote first semicircle valve block 3b and second semicircle valve block 3e through the threaded rod and move toward closing water tray 3a intermediate position, when first semicircle valve block 3b and second semicircle valve block 3e are laminated each other, first semicircle valve block 3b utilizes the closed strip 3d looks gomphosis of concave type on protruding type cutting 3c and the second semicircle valve block 3e, close 4 tops of inlet tube, avoid the waste at water source, the water source speed of closing has been improved.
The method for solving the problems in the embodiment is as follows: when damage appears in fire hydrant 1, utilize urgent closing mechanism 3 to close 4 tops of inlet tube, avoid the waste at water source, improved and closed water source speed, this design is the urgent water effect that closes that is used for when fire hydrant 1 is destroyed.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides a municipal administration fire hydrant drainage device, its structure includes fire hydrant (1), theftproof cover (2), urgent closing mechanism (3), inlet tube (4), flange (5), fire hydrant (1) top on be equipped with theftproof cover (2), fire hydrant (1) and theftproof cover (2) threaded connection, fire hydrant (1) bottom have inlet tube (4), fire hydrant (1) and inlet tube (4) be connected through urgent closing mechanism (3), inlet tube (4) bottom have flange (5), inlet tube (4) and flange (5) structure as an organic whole, its characterized in that:
the fire hydrant (1) is composed of a main body (1a), a drainage bent pipe (1b), a valve power mechanism (1c), a connecting pipe (1d) and a drainage mechanism (1e), wherein the drainage bent pipe (1b) is arranged on each of the left side and the right side of the main body (1a), the main body (1a) and the drainage bent pipe (1b) are of an integrated structure, the valve power mechanism (1c) is installed at the middle position of the top end of the main body (1a), the two connecting pipes (1d) are arranged at the top end of the main body (1a), the main body (1a) is connected with the connecting pipes (1d), the drainage mechanism (1e) is arranged inside the drainage bent pipe (1b), and the drainage mechanism (1e) is matched with the valve power mechanism (1 c);
the main body (1a) further comprises a semicircular drain board (1a1), a protection board (1a2) and a slide rail groove (1a3), wherein the semicircular drain board (1a1) is arranged at the top end of the inner side of the main body (1a), and the main body (1a) is connected with the semicircular drain board (1a 1);
the valve power mechanism (1c) consists of a valve rod (1c1), a screwing head (1c2), a first hexagonal wrench head (1c3) and a second hexagonal wrench head (1c4), wherein the top end of the valve rod (1c1) is provided with the screwing head (1c2), the valve rod (1c1) and the screwing head (1c2) are of an integrated structure, the bottom end of the valve rod (1c1) is sequentially provided with the first hexagonal wrench head (1c3) and the second hexagonal wrench head (1c4) from top to bottom, and the first hexagonal wrench head (1c3) and the second hexagonal wrench head (1c4) are fixedly connected with the valve rod (1c 1);
the surface of the valve rod (1c1) is provided with a marking strip (1c11), and the valve rod (1c1) and the marking strip (1c11) are of an integrated structure;
a positioning telescopic rod (1c41) is arranged below the bottom end of the second hexagonal wrench head (1c4), the second hexagonal wrench head (1c4) is connected with the positioning telescopic rod (1c41), and a spring (1c42) is arranged on the surface of the positioning telescopic rod (1c 41);
the drainage mechanism (1e) is composed of a hexagonal nut (1e1), a connecting rod (1e2) and a valve plug (1e3), wherein one end of the connecting rod (1e2) is provided with the hexagonal nut (1e1), the connecting rod (1e2) and the hexagonal nut (1e1) are of an integrated structure, the other end of the connecting rod (1e2) is provided with the valve plug (1e3), and the connecting rod (1e2) and the valve plug (1e3) are in clearance fit;
the surface of the valve plug (1e3) is provided with a rubber sealing ring (1e31), and the valve plug (1e3) is connected with the rubber sealing ring (1e31) in a gluing way;
the emergency closing mechanism (3) consists of a water closing disc (3a), a first semicircular valve block (3b), a convex insertion strip (3c), a concave closing strip (3d), a second semicircular valve block (3e) and a thread pushing hole (3f), wherein the left end and the right end inside the water closing disc (3a) are respectively provided with the first semicircular valve block (3b) and the second semicircular valve block (3e), the first semicircular valve block (3b) and the second semicircular valve block (3e) are in sliding fit with the water closing disc (3a), the surface of the first semicircular valve block (3b) is provided with the convex insertion strip (3c), the first semicircular valve block (3b) is connected with the convex insertion strip (3c), the surface of the second semicircular valve block (3e) is provided with the concave closing strip (3d), and the second semicircular valve block (3e) is fixedly connected with the concave closing strip (3d), and the inner sides of the first semicircular valve plate (3b) and the second semicircular valve plate (3e) are provided with thread pushing holes (3 f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010606951.9A CN111705875B (en) | 2020-06-30 | 2020-06-30 | Municipal administration fire hydrant drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010606951.9A CN111705875B (en) | 2020-06-30 | 2020-06-30 | Municipal administration fire hydrant drainage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111705875A CN111705875A (en) | 2020-09-25 |
| CN111705875B true CN111705875B (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010606951.9A Active CN111705875B (en) | 2020-06-30 | 2020-06-30 | Municipal administration fire hydrant drainage device |
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| Country | Link |
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| CN (1) | CN111705875B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321279A (en) * | 2013-07-04 | 2013-09-25 | 章丘市消防器材有限责任公司 | Quick opening hydrant |
| CN106759671A (en) * | 2016-12-09 | 2017-05-31 | 大连福佳·大化石油化工有限公司 | A kind of fire hydrant, big gun with cut-off |
| CN207213210U (en) * | 2017-08-25 | 2018-04-10 | 天津滨海国机阀门有限公司 | A kind of Novel fire fighting valve |
| CN210342091U (en) * | 2019-08-01 | 2020-04-17 | 南安市贵顺消防器材有限公司 | Spring-free ground fire hydrant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10458568B2 (en) * | 2017-12-22 | 2019-10-29 | Mueller International, Llc | Tamper-resistant operating nut for hydrants |
-
2020
- 2020-06-30 CN CN202010606951.9A patent/CN111705875B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321279A (en) * | 2013-07-04 | 2013-09-25 | 章丘市消防器材有限责任公司 | Quick opening hydrant |
| CN106759671A (en) * | 2016-12-09 | 2017-05-31 | 大连福佳·大化石油化工有限公司 | A kind of fire hydrant, big gun with cut-off |
| CN207213210U (en) * | 2017-08-25 | 2018-04-10 | 天津滨海国机阀门有限公司 | A kind of Novel fire fighting valve |
| CN210342091U (en) * | 2019-08-01 | 2020-04-17 | 南安市贵顺消防器材有限公司 | Spring-free ground fire hydrant |
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| Publication number | Publication date |
|---|---|
| CN111705875A (en) | 2020-09-25 |
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