CN113546358A - Hydraulic fire extinguisher - Google Patents

Hydraulic fire extinguisher Download PDF

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Publication number
CN113546358A
CN113546358A CN202110866898.0A CN202110866898A CN113546358A CN 113546358 A CN113546358 A CN 113546358A CN 202110866898 A CN202110866898 A CN 202110866898A CN 113546358 A CN113546358 A CN 113546358A
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CN
China
Prior art keywords
hole
piece
water storage
water
communicating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110866898.0A
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Chinese (zh)
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CN113546358B (en
Inventor
陈思宇
钟家兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Guangdong Power Grid Co Ltd, Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202110866898.0A priority Critical patent/CN113546358B/en
Publication of CN113546358A publication Critical patent/CN113546358A/en
Application granted granted Critical
Publication of CN113546358B publication Critical patent/CN113546358B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/28Accessories for delivery devices, e.g. supports

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention belongs to the technical field of fire extinguishers, and discloses a hydraulic fire extinguisher which comprises a box body, a water pipe, a communicating piece, a water storage piece and a sealing assembly, wherein the water pipe is arranged in the box body, the communicating piece is arranged at one end of the water pipe, the water storage piece is arranged in the box body, one end of the water storage piece is connected with an external water source, the other end of the water storage piece is provided with a through hole, the sealing assembly is arranged in the water storage piece and can seal the through hole, when the communicating piece is inserted into the through hole, the communicating piece can abut against the sealing assembly to remove powder sealing of the through hole, and when the communicating piece is drawn out of the through hole, the sealing assembly can return to seal the through hole. This water pressure fire extinguisher, when intercommunication piece and water storage piece intercommunication, the intercommunication piece can lean on seal assembly to open the through-hole so that outside water source flows in the inlet tube and then spout to the fire disaster area, when the back of putting out a fire, only need with intercommunication piece and water storage piece disconnection, sealing device return in the water storage piece is with sealing the through-hole, and then cuts off the water source, and this water pressure fire extinguisher is maintained simply, and convenient to use is lower to the place environment requirement, and puts out a fire in time effectively.

Description

Hydraulic fire extinguisher
Technical Field
The invention relates to the technical field of fire extinguishers, in particular to a hydraulic fire extinguisher.
Background
The fire extinguisher is a portable fire extinguishing tool, is one of common fire extinguishing facilities, has various types, and can be divided into a portable type and a trolley type according to the moving mode; the fire extinguishing agent filled in the fire extinguishing agent can be divided into foam, dry powder, alkyl halide, carbon dioxide, clear water and the like. The fire extinguisher is provided in a plurality of occasions, and plays a vital role in extinguishing fire and protecting the life and property safety of people. However, the conventional fire extinguisher has certain storage requirements, and is required to be placed in a dry and ventilated place to prevent the cylinder from being affected by damp and corrosion, and to avoid sunlight exposure and strong radiation so as to avoid influencing the normal use of the fire extinguisher; in addition, the fire extinguisher needs to be inspected and maintained regularly to ensure the performance of the fire extinguisher, which wastes manpower and material resources.
Disclosure of Invention
The invention aims to provide a hydraulic fire extinguisher which is convenient to use and has lower requirement on the placement environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hydraulic fire extinguisher comprising:
a box body;
a water pipe disposed in the case,
the communicating piece is arranged at one end of the water pipe;
the water storage part is arranged in the box body, one end of the water storage part is connected with an external water source, and the other end of the water storage part is provided with a through hole;
the sealing assembly is arranged in the water storage part and can seal the through hole, when the communicating part is inserted into the through hole, the communicating part can abut against the sealing assembly to remove the sealing of the through hole, and when the communicating part is drawn out of the through hole, the sealing assembly can return to seal the through hole.
Preferably, the water storage part is provided with a pressure bin, the pressure bin is communicated with the through hole, and the sealing assembly is arranged in the pressure bin and can seal the through hole.
Preferably, the sealing assembly comprises a pressing block and an elastic piece, and the elastic piece enables the pressing block to close the through hole.
Preferably, the pressing block is of a truncated cone structure and comprises a first inclined surface, the pressure bin is provided with a second inclined surface, and the first inclined surface can be attached to the second inclined surface to limit the water flow in the pressure bin to flow to the through hole.
Preferably, the second inclined surface is provided with an accommodating groove, one end of the elastic member is fixedly connected in the accommodating groove, and the other end of the elastic member is fixedly connected to the first inclined surface.
Preferably, the pressing block further comprises a first side surface, the pressure bin further comprises a second side surface opposite to the through hole, and the elastic part is fixedly connected between the first side surface and the second side surface.
Preferably, the seal assembly further includes a first seal ring interposed between the first inclined surface and the second inclined surface.
Preferably, the communicating piece is provided with a fixed block, the water storage piece is provided with a clamping groove, and when the communicating piece is connected with the water storage piece, the fixed block can be clamped in the clamping groove.
Preferably, the water pipe is provided with a plurality of sections, one end of each water pipe is provided with one communicating piece, and two adjacent sections of the water pipes can be communicated through one communicating piece.
Preferably, the box body is provided with a plurality of clamping jaws, and the clamping jaws can fix the communicating piece.
The invention has the beneficial effects that:
according to the hydraulic fire extinguisher provided by the invention, the water pipe and the water storage part are arranged in the box body, the communication part is arranged at one end of the water pipe, one end of the water storage part is connected with an external water source, the through hole is formed in the other end of the water pipe and is communicated with the communication part, when the communication part is communicated with the water storage part, the communication part can prop against the sealing component to open the through hole so that the external water source flows into the water pipe and is sprayed to a fire disaster area, after fire is extinguished, the communication part is only required to be disconnected from the water storage part, the sealing device in the water storage part returns to seal the through hole so as to cut off the water source, and the hydraulic fire extinguisher is simple to maintain, convenient to use, lower in requirement on the placement environment and timely and effective in fire extinguishment.
Drawings
FIG. 1 is a schematic view of the overall structure of a hydraulic fire extinguisher according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a communicating member and a water storage member of the hydraulic fire extinguisher according to the embodiment of the present invention;
FIG. 3 is a schematic view of a sealing assembly of a hydraulic fire extinguisher according to an embodiment of the present invention, wherein an elastic member is disposed in a receiving groove;
FIG. 4 is a schematic structural view of a jaw of the hydraulic fire extinguisher according to the embodiment of the present invention;
fig. 5 is a schematic structural view illustrating a sealing assembly of a hydraulic fire extinguisher according to an embodiment of the present invention in which an elastic member is disposed between a first side and a second side.
In the figure:
1-a box body; 11-a jaw; 111-a carriage; 12-an inner embedded groove; 121-a chute; 13-spring
2-a water pipe;
3-a communication member; 31-fixing block; 32-a second seal ring;
4-water storage; 41-through holes; 42-a pressure bin; 43-a receiving groove; 44-a clamping groove;
5-a sealing component; 51-a compression block; 52-an elastic member; 53-first seal ring.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The fire extinguisher is an important tool for emergency fire extinguishing after a fire occurs, but the conventional fire extinguisher is mostly provided in public places and needs regular inspection by professionals, and after the fire occurs in residential areas, effective fire extinguishing measures cannot be provided for fire extinguishing, and only the fire extinguisher can wait for the fire fighter to perform emergency fire extinguishing, so that great loss can be caused.
Example one
As shown in fig. 1-2, the invention provides a hydraulic fire extinguisher, which comprises a box body 1, a water pipe 2, a communicating piece 3, a water storage piece 4 and a sealing assembly 5, wherein optionally, the box body 1 is fixed on a wall in a room, the box body 1 is cuboid and is provided with an opening on one surface, a door body is arranged at the opening, each part is accommodated in the box body 1, and the door body is closed to play a role of protecting the part; the water pipe 2 is arranged in the box body 1, and one end of the water pipe is connected with a communicating piece 3; the water storage part 4 is arranged in the box body 1, one end of the water storage part is connected with an external water source, and it can be understood that the external water source is an indoor water source, and the other end of the water storage part is provided with a through hole 41; sealing assembly 5 sets up in water storage 4, can seal through-hole 41, and when connecting piece 3 pegged graft in through-hole 41, connecting piece 3 can lean on sealing assembly 5 to relieve the closure to through-hole 41, consequently, rivers can get into the connecting piece through-hole 41, and then flow direction water pipe 2 blowout, and when connecting piece 3 was taken out from through-hole 41, sealing assembly 5 can return in order to seal through-hole 41 to cut off the water source.
According to the hydraulic fire extinguisher provided by the invention, the water pipe 2 and the water storage part 4 are arranged in the box body 1, the communicating part 3 is arranged at one end of the water pipe 2, one end of the water storage part 4 is connected with an external water source, the other end of the water storage part 4 is provided with the through hole 41 and is communicated with the communicating part 3, when the communicating part 3 is communicated with the water storage part 4, the communicating part 3 can abut against the sealing component 5 to open the through hole 41 so that the external water source flows into the water pipe 2 and is sprayed to a fire disaster area, after fire extinguishment is carried out, the communicating part 3 and the water storage part 4 are only required to be disconnected, the sealing device in the water storage part 4 is reset to seal the through hole 41, and then the water source is cut off.
Optionally, in order to increase water pressure, a water pump is arranged between the external water source and the water storage part 4, and after the power is switched on, the water pump can generate suction force, so that the water source enters the water storage part 4 through the water pump, is compressed and then flows to the water pipe 2, and then is sprayed to a fire.
Furthermore, the spray gun is arranged at the spray end of the water pipe 2, so that the operation is more convenient.
Specifically, as shown in fig. 2, a pressure chamber 42 is disposed in the water storage member 4, the pressure chamber 42 is communicated with the through hole 41, and the sealing assembly 5 is disposed in the pressure chamber 42, it can be understood that the sealing assembly 5 can move in the pressure chamber 42, and the opening and closing of the through hole 41 is adjusted by the change of the position of the sealing assembly 5, so that the operation is relatively simple and the use is convenient.
More specifically, seal assembly 5 includes compact heap 51 and elastic component 52, and elastic component 52 can make compact heap 51 seal through-hole 41, and after intercommunication piece 3 and water storage 4 disconnection, compact heap 51 can automatic return under the self elasticity effect of elastic component 52, need not other external power, simple structure, and the practicality is strong.
Further, compact heap 51 is the circular cone structure, including first inclined plane, pressure chamber 42 has the second inclined plane, first inclined plane can be laminated with the second inclined plane in order to restrict rivers flow direction through-hole 41 in the pressure chamber 42, first inclined plane is the outer conical surface, the second inclined plane is interior conical surface, elastic component 52 draws compact heap 51 to through-hole 41 direction, first inclined plane is closely laminated with the second inclined plane promptly, because the conical surface has automatic guide's effect, can make the laminating of interior conical surface and exterior conical surface inseparable, and then reach the effect of blocking rivers.
Optionally, the elastic member 52 is made of waterproof elastic ribs, and the elastic ribs have elasticity, do not undergo plastic deformation, and have strong elasticity and toughness. In other embodiments, the elastic member 52 may also be an extension spring, and the extension spring is made of a waterproof and rustproof material.
Furthermore, as shown in fig. 3, the second inclined surface is provided with an accommodating groove 43, the accommodating groove 43 is a circular hole-shaped structure, one end of the elastic element 52 is fixedly connected in the accommodating groove 43, the other end of the elastic element is fixedly connected on the first inclined surface, hooks are arranged on the bottom of the accommodating groove 43 and the first inclined surface, and the elastic element 52 is fixedly connected between the two hooks to provide a return elastic force for the sealing element. It can be understood that the hook on the first inclined surface can enter the receiving groove 43 after the first inclined surface is attached to the second inclined surface, and the sealing performance is not affected.
Furthermore, in order to increase the return elastic force of the pressing block 51, the second inclined surface is uniformly provided with a plurality of accommodating grooves 43, so that the pressing block 51 is stressed more uniformly, and the sealing performance is stronger. In this embodiment, six receiving grooves 43 are uniformly formed on the second inclined surface, so that the processing cost is reduced on the premise of sealing.
Optionally, in order to further improve the sealing performance of the water storage 4, the sealing assembly 5 further includes a first sealing ring 53, the first sealing ring 53 is sandwiched between the first inclined surface and the second inclined surface, it can be understood that the first sealing ring 53 has elasticity and is waterproof, when the first inclined surface is tightly attached to the second inclined surface, both surfaces of the first sealing ring 53 are simultaneously pressed, and due to its elasticity, the first sealing ring 53 is tightly attached to the first inclined surface and the second inclined surface, so that the water flow can be effectively blocked. In this embodiment, the first sealing ring 53 is sleeved on the first inclined surface.
Specifically, as shown in fig. 2, the communication member 3 is provided with a fixing block 31, the water storage member 4 is provided with a clamping groove 44, and when the communication member 3 is connected with the water storage member 4, the fixing block 31 can be clamped in the clamping groove 44, so that the communication member 3 and the water storage member 4 are fixed to each other. In this embodiment, the fixing block 31 is an L-shaped structure, the engaging groove 44 is provided with an entering groove, an annular groove is formed by extending and communicating the entering groove in the circumferential direction, the fixing block 31 is engaged with the entering groove, and then the communicating member 3 is rotated to engage the fixing block 31 with the annular groove. Further, the fixing blocks 31 and the clamping grooves 44 are arranged in a one-to-one correspondence manner, and a plurality of groups are arranged, so that clamping is firmer.
Specifically, be provided with the mounting groove on the side that has fixed block 31 on the connecting piece 3, the mounting groove sets up in fixed block 31 inboard, and install second sealing washer 32, the side setting of second sealing washer 32 protrusion connecting piece 3, when fixed block 31 is fixed with joint groove 44 joint, second sealing washer 32 closely laminates water storage part 4, when using this water pressure fire extinguisher to put out a fire, rivers flow out the back from seal assembly 5, second sealing washer 32 can play and prevent that rivers from flowing out between connecting piece 3 and water storage part 4, guarantee the water pressure of water, it is timely effective to make to put out a fire.
Specifically, as shown in fig. 1, the water pipe 2 is provided with a plurality of sections, one end of each water pipe 2 is provided with a communicating piece 3, two adjacent sections of water pipes 2 can be communicated with each other through one communicating piece 3, and the communicating pieces 3 are connected with the water pipe 2, so that the water pipe 2 can be lengthened as required, the water pipe 2 can extend to all places, and the practicability of the water pressure fire extinguisher is further enhanced.
More specifically, be provided with a plurality of jack catchs 11 on the box 1, jack catch 11 can fix the connecting piece 3 on the inner wall of box 1, makes water pipe 2 put more neatly with connecting piece 3, and it is more convenient to use.
In this embodiment, as shown in fig. 4, an inner embedding groove 12 is further disposed on the inner wall of the box body 1, sliding grooves 121 are disposed on two side end faces of the inner embedding groove 12, a sliding frame 111 is disposed at one end of each jaw 11, each jaw 11 is of an arc-shaped structure, the sliding frame 111 is slidably clamped in the sliding groove 121, a spring 13 is disposed at the bottom of the sliding frame 111, after use, the communicating member 3 is placed on the arc-shaped structure on the jaw 11, and under the action force of the spring 13, the jaw 11 rebounds upwards to clamp the communicating member 3.
Example two
The structure of the hydraulic fire extinguisher provided by the embodiment is basically the same as that of the first embodiment, and for convenience, only the difference from the first embodiment is described.
As shown in fig. 5, compared with the first embodiment, the elastic member 52 in the first embodiment is a compression spring, the pressing block 51 further includes a first side surface, the pressure chamber 42 further includes a second side surface opposite to the through hole 41, and the compression spring is fixedly connected between the first side surface and the second side surface, so that the cost is low and the installation is convenient. Optionally, the compression spring has waterproof, rust-proof properties.
Further, the compression springs are arranged in a plurality of positions and are evenly distributed between the first side face and the second side face, so that the compression blocks 51 are stressed more and more evenly, and the sealing performance of the compression blocks 51 is further improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A hydraulic fire extinguisher, comprising:
a box body (1);
a water pipe (2), the water pipe (2) is arranged in the box body (1),
the communicating piece (3), the communicating piece (3) is arranged at one end of the water pipe (2);
the water storage part (4) is arranged in the box body (1), one end of the water storage part (4) is connected with an external water source, and the other end of the water storage part is provided with a through hole (41);
the sealing assembly (5) is arranged in the water storage part (4) and can seal the through hole (41), when the communicating part (3) is inserted into the through hole (41), the communicating part (3) can abut against the sealing assembly (5) to remove the sealing of the through hole (41), and when the communicating part (3) is pulled out of the through hole (41), the sealing assembly (5) can return to seal the through hole (41).
2. A hydraulic extinguisher according to claim 1, characterized in that said water storage member (4) is provided with a pressure chamber (42), said pressure chamber (42) being in communication with said through hole (41), said sealing assembly (5) being provided in said pressure chamber (42) and being able to close said through hole (41).
3. A hydraulic extinguisher according to claim 2, characterized in that said sealing assembly (5) comprises a hold-down block (51) and an elastic element (52), said elastic element (52) enabling said hold-down block (51) to close said through hole (41).
4. The hydraulic fire extinguisher according to claim 3, characterized in that the pressing block (51) is of a truncated cone structure and comprises a first inclined surface, the pressure chamber (42) is provided with a second inclined surface, and the first inclined surface can be attached to the second inclined surface to limit the water flow in the pressure chamber (42) to flow to the through hole (41).
5. The hydraulic fire extinguisher according to claim 4, wherein the second inclined surface is provided with a receiving groove (43), one end of the elastic member (52) is fixedly connected in the receiving groove (43), and the other end is fixedly connected to the first inclined surface.
6. The hydraulic fire extinguisher according to claim 4, characterized in that the pressing block (51) further comprises a first side surface, the pressure chamber (42) further comprises a second side surface opposite to the through hole (41), and the elastic member (52) is fixedly connected between the first side surface and the second side surface.
7. The hydraulic fire extinguisher according to claim 4, characterized in that the sealing assembly (5) further comprises a first sealing ring (53), and the first sealing ring (53) is clamped between the first inclined surface and the second inclined surface.
8. The hydraulic fire extinguisher according to claim 1, characterized in that the communicating piece (3) is provided with a fixed block (31), the water storage piece (4) is provided with a clamping groove (44), and when the communicating piece (3) is connected with the water storage piece (4), the fixed block (31) can be clamped in the clamping groove (44).
9. The hydraulic fire extinguisher according to claim 1, characterized in that the water pipe (2) is provided with a plurality of sections, one end of each water pipe (2) is provided with one communicating piece (3), and two adjacent sections of the water pipes (2) can be communicated through one communicating piece (3).
10. A hydraulic extinguisher according to claim 9, characterised in that said tank (1) is provided with a plurality of jaws (11), said jaws (11) being able to fix said communicating member (3).
CN202110866898.0A 2021-07-29 2021-07-29 Hydraulic fire extinguisher Active CN113546358B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110866898.0A CN113546358B (en) 2021-07-29 2021-07-29 Hydraulic fire extinguisher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110866898.0A CN113546358B (en) 2021-07-29 2021-07-29 Hydraulic fire extinguisher

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CN113546358A true CN113546358A (en) 2021-10-26
CN113546358B CN113546358B (en) 2022-07-08

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB245906A (en) * 1924-12-10 1926-01-21 Foamite Firefoam Ltd Improvements in or relating to hand extincteurs for putting out fires
CN201322155Y (en) * 2008-11-26 2009-10-07 闻长庆 High-efficient quick connector
CN203972210U (en) * 2014-07-30 2014-12-03 四川威特龙消防设备有限公司 A kind of nozzle mounting seat
CN207999565U (en) * 2018-02-01 2018-10-23 日丰企业(佛山)有限公司 Tap sealing component and washing machine tap attachment device
CN210644913U (en) * 2019-06-12 2020-06-02 河北旭峰机电科技有限公司 Fire extinguisher dust-proof box
CN211188894U (en) * 2019-07-31 2020-08-07 陕西坚瑞消防安全设备有限公司 Nozzle for fire protection of lithium battery box and lithium battery with fire prevention function
CN211835919U (en) * 2019-12-04 2020-11-03 青岛中阳消防科技股份有限公司 Quick plug-in unit for conveying fire extinguishing agent in battery compartment of lithium battery charging cabinet
CN212129024U (en) * 2020-04-09 2020-12-11 福建龙马环卫装备股份有限公司 Quick change nozzle of watering lorry
CN212187552U (en) * 2020-04-14 2020-12-22 广西理工职业技术学院 Fire-fighting water pipe automatic joint of fire-fighting robot

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB245906A (en) * 1924-12-10 1926-01-21 Foamite Firefoam Ltd Improvements in or relating to hand extincteurs for putting out fires
CN201322155Y (en) * 2008-11-26 2009-10-07 闻长庆 High-efficient quick connector
CN203972210U (en) * 2014-07-30 2014-12-03 四川威特龙消防设备有限公司 A kind of nozzle mounting seat
CN207999565U (en) * 2018-02-01 2018-10-23 日丰企业(佛山)有限公司 Tap sealing component and washing machine tap attachment device
CN210644913U (en) * 2019-06-12 2020-06-02 河北旭峰机电科技有限公司 Fire extinguisher dust-proof box
CN211188894U (en) * 2019-07-31 2020-08-07 陕西坚瑞消防安全设备有限公司 Nozzle for fire protection of lithium battery box and lithium battery with fire prevention function
CN211835919U (en) * 2019-12-04 2020-11-03 青岛中阳消防科技股份有限公司 Quick plug-in unit for conveying fire extinguishing agent in battery compartment of lithium battery charging cabinet
CN212129024U (en) * 2020-04-09 2020-12-11 福建龙马环卫装备股份有限公司 Quick change nozzle of watering lorry
CN212187552U (en) * 2020-04-14 2020-12-22 广西理工职业技术学院 Fire-fighting water pipe automatic joint of fire-fighting robot

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