CN112402869A - Fire extinguishing device convenient to move - Google Patents
Fire extinguishing device convenient to move Download PDFInfo
- Publication number
- CN112402869A CN112402869A CN202011286428.9A CN202011286428A CN112402869A CN 112402869 A CN112402869 A CN 112402869A CN 202011286428 A CN202011286428 A CN 202011286428A CN 112402869 A CN112402869 A CN 112402869A
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- Prior art keywords
- fixed
- fire extinguishing
- supporting
- water
- fire
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories 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 discloses a fire extinguishing device convenient to move, and relates to the field of fire extinguishing equipment; this convenient extinguishing device who removes, including the supporting box, the top of supporting box is equipped with the mount subassembly, and the mount subassembly includes backup pad and mount, is fixed with spacing case in the backup pad, is fixed with first fixed plate between spacing case and the mount, has placed the water tank on the first fixed plate, the top of mount is rotated and is equipped with the subassembly of putting out a fire, still is fixed with the second fixed plate on the mount, has the subassembly of putting out a fire in the swing joint on the second fixed plate, be equipped with the subassembly of putting out a fire at the bottom in the backup pad, put out a fire the subassembly through setting up the subassembly of putting out a fire, well subassembly and the subassembly of putting out a fire at the bottom of putting out a fire in, can put out a fire to different heights, can select according to actual need, have very good practicality, go up the subassembly of putting out a fire simultaneously.
Description
Technical Field
The invention relates to the field of fire extinguishing equipment, in particular to a fire extinguishing device convenient to move.
Background
With the development of the times, the attention on fire extinguishing devices is increased along with the understanding of the human society on safety and fire hazard, and therefore, the fire extinguishing devices are additionally arranged on many occasions of work and life for safety. The safety is effectively improved through the fire extinguishing device.
The authorization notice number CN210145362U discloses a fire extinguishing device, which comprises a main water inlet reel unit, a multifunctional fire-fighting lance unit, an extinguishing gun unit and a water diversion unit which are arranged on a moving trolley, the inlet end of the main water inlet pipe of the main water inlet reel unit is communicated with the pressure water of the high-pressure water mist fire extinguishing system, the water outlet end of the main water inlet pipe is connected with the inlet end of the water distribution unit, the water distribution unit is provided with a plurality of water outlet ends, a plurality of water outlet ports of the water distribution unit are respectively connected with the multifunctional fire-fighting lance unit and the fire extinguishing gun unit, the multifunctional fire-fighting lance unit and the fire extinguishing gun unit are matched with each other to extinguish fire, the position of fire extinguishing can not be adjusted according to actual conditions when the device is used, the shock absorption device has the advantages that the limitation is realized in the using process, the shock absorption effect is poor, the whole functionality and the operation are complex, and the use is inconvenient.
Disclosure of Invention
The object of the present invention is to solve the above problems by providing a fire extinguishing apparatus that is easy to move.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a convenient fire extinguishing apparatus who removes, includes the supporting box, and the supporting box bottom is equipped with the supporting leg, is equipped with the removal wheel on the supporting leg, the top of supporting box is equipped with the mount subassembly, and the mount subassembly includes backup pad and mount, is fixed with spacing box in the backup pad, is fixed with first fixed plate between spacing box and the mount, has placed the water tank on the first fixed plate, and spacing box one end and auxiliary tank fixed connection are kept away from to the mount, are fixed with the arm-tie on the auxiliary tank, the top of mount is rotated and is equipped with the subassembly of putting out a fire, still is fixed with the second fixed plate on the mount, and the subassembly of putting out a fire in swing joint has on the second fixed plate, the subassembly of putting out a fire at the bottom is equipped.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the auxiliary box is connected with the opening door through a hinge; a fire extinguisher is placed in the auxiliary box.
In one alternative: go up the subassembly of putting out a fire including fixing the first support column at the mount top, first support column rotates with the pivot of fixing on first shower nozzle to be connected, and first shower nozzle passes through first aqueduct and water tank intercommunication.
In one alternative: go up the subassembly of putting out a fire still including setting up the slide rail on first shower nozzle, sliding connection has the slider on the slide rail, slider and telescopic cylinder's output fixed connection, and telescopic cylinder fixes on the diaphragm, and the diaphragm is fixed between first support column.
In one alternative: well subassembly of putting out a fire includes the second shower nozzle, and the second shower nozzle passes through second aqueduct and water tank intercommunication, and the second shower nozzle is fixed on the limiting plate, limiting plate and second support column fixed connection, second support column sliding connection is on the guide bar.
In one alternative: one end of the second spray head is fixedly connected with the connecting plate, the connecting plate is rotatably connected with a first threaded rod, the first threaded rod is in threaded connection with a threaded sleeve fixed on the fixing frame, and one end, far away from the second spray head, of the first threaded rod is fixedly connected with a rotating handle.
In one alternative: the bottom fire extinguishing assembly comprises a first water pipe and a second water pipe which are arranged on a supporting plate, a plurality of third spray heads and a plurality of fourth spray heads are respectively arranged on the first water pipe and the second water pipe in a rotating mode, the third spray heads are communicated with the output end of the water pump through a third water guide pipe, the input end of the water pump is communicated with the water tank through a water inlet pipe, a shunt is arranged on the third water guide pipe, and the shunt is communicated with the first water pipe through a fourth water guide pipe.
In one alternative: the bottom fire extinguishing assembly further comprises a second threaded rod rotatably connected to the supporting plate, one end of the second threaded rod is fixedly connected with the adjusting block, a moving block is connected to the second threaded rod in a threaded mode, a first connecting seat is fixed to the moving block, and the first connecting seat is hinged to second connecting seats on the third spray head and the fourth spray head through a first connecting rod.
In one alternative: the buffer assembly comprises an auxiliary block arranged in the support box, the auxiliary block is connected with the support leg through a first spring, a fixed block is further fixed in the support box, a fixed shaft is fixed on the fixed block, a sliding sleeve is connected to the fixed shaft in a sliding mode, fourth connecting seats are fixed at two ends of the sliding sleeve, the fourth connecting seats are hinged to third connecting seats arranged on the support leg and the auxiliary block through third connecting rods, and the sliding sleeve is connected with a fixed sleeve fixed on the fixed block through a second spring.
Compared with the prior art, the invention has the following beneficial effects:
the upper fire extinguishing assembly, the middle fire extinguishing assembly and the bottom fire extinguishing assembly are arranged, so that fire can be extinguished at different heights, the selection can be performed according to actual needs, the practicability is very good, meanwhile, the upper fire extinguishing assembly, the middle fire extinguishing assembly and the bottom fire extinguishing assembly can be adjusted, meanwhile, the adjusting mode is simple, the use by workers is convenient, and the adjusting capacity is very good; the buffer assembly arranged on the support box has a good buffer effect, and the shock absorption capacity in the moving process is improved; and through setting up the fire extinguisher, improved holistic functionality.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a bottom fire extinguishing unit according to the present invention.
FIG. 3 is a schematic structural diagram of a cushion assembly according to the present invention.
FIG. 4 is a schematic view of the connection between the support box and the mounting bracket assembly of the present invention.
Notations for reference numerals: 01-supporting box, 02-fixed frame component, 03-water tank, 04-upper fire extinguishing component, 05-middle fire extinguishing component, 06-bottom fire extinguishing component, 07-buffering component, 11-supporting leg, 12-moving wheel, 21-supporting plate, 22-fixed frame, 23-first fixed plate, 24-auxiliary box, 25-pulling plate, 26-second fixed plate, 27-limiting box, 41-first supporting column, 42-transverse plate, 43-first spray head, 44-rotating shaft, 45-first water guide pipe, 46-sliding rail, 47-sliding block, 48-telescopic cylinder, 51-second spray head, 52-limiting plate, 53-second supporting column, 54-guide rod, 55-second water guide pipe, 56-connecting plate, 57-first threaded rod, 58-threaded sleeve, 59-rotating handle, 61-first water through pipe, 62-third spray head, 63-second water through pipe, 64-fourth spray head, 65-third water guide pipe, 66-flow divider, 67-fourth water guide pipe, 68-water pump, 69-water inlet pipe, 610-second threaded rod, 611-adjusting block, 612-moving block, 613-first connecting seat, 614-first connecting rod, 615-second connecting seat, 616-second connecting rod, 71-auxiliary block, 72-first spring, 73-third connecting seat, 74-third connecting rod, 75-fourth connecting seat, 76-sliding sleeve, 77-fixed shaft, 78-second spring, 79-fixed sleeve, 710-fixed block, 81-fire extinguisher, 82-open door.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 4, in the embodiment of the invention, a fire extinguishing apparatus convenient to move comprises a supporting box 01, wherein a supporting leg 11 is arranged at the bottom of the supporting box 01, and a moving wheel 12 is arranged on the supporting leg 11, so that the overall movement is convenient; the top of the supporting box 01 is provided with a fixing frame component 02, the fixing frame component 02 comprises a supporting plate 21 and a fixing frame 22, a limiting box 27 is fixed on the supporting plate 21, a first fixing plate 23 is fixed between the limiting box 27 and the fixing frame 22, a water tank 03 is placed on the first fixing plate 23 to provide water for fire extinguishing conveniently, one end, far away from the limiting box 27, of the fixing frame 22 is fixedly connected with an auxiliary box 24, a pulling plate 25 is fixed on the auxiliary box 24, and the whole body is pushed to move conveniently through the pulling plate 25; the top of the fixing frame 22 is rotatably provided with an upper fire extinguishing assembly 04, a high place is conveniently extinguished through the upper fire extinguishing assembly 04, the fixing frame 22 is also fixedly provided with a second fixing plate 26, the second fixing plate 26 is movably connected with a middle fire extinguishing assembly 05, so that the middle position is conveniently extinguished, the supporting plate 21 is provided with a bottom fire extinguishing assembly 06, the bottom can be extinguished through the bottom fire extinguishing assembly 06, the practicability is good, and the fire extinguishing range is effectively improved; the supporting legs 11 are movably connected with the buffer assembly 07 in the supporting box 01, so that the buffer capacity is very good in the using process.
Furthermore, the upper fire extinguishing assembly 04 comprises a first support column 41 fixed at the top of the fixed frame 22, the first support column 41 is rotatably connected with a rotating shaft 44 fixed on a first spray head 43, that is, the first spray head 43 can rotate on the first support column 41, so that the angle of the first spray head 43 can be conveniently adjusted, and sprinkling fire extinguishing can be conveniently carried out at different height positions; the first nozzle 43 is communicated with the water tank 03 through the first water guide pipe 45, and water can be supplied to the first nozzle 43 through the water tank 03, so that the water supply device is very simple.
Further, go up subassembly 04 of putting out a fire still including setting up the slide rail 46 on first shower nozzle 43, sliding connection has slider 47 on slide rail 46, slider 47 can remove on slide rail 46 length direction promptly, and then make things convenient for adjusting slider 47's position, slider 47 and telescopic cylinder 48's output fixed connection, telescopic cylinder 48 is fixed on diaphragm 42, and diaphragm 42 is fixed between first support column 41, can drive slider 47 when telescopic cylinder 48 during operation and slide on slide rail 46, and then conveniently adjust first shower nozzle 43's angle, regulating power is very good.
Further, the middle fire extinguishing assembly 05 comprises a second spray head 51, the second spray head 51 is communicated with the water tank 03 through a second water guide pipe 55, and water can be supplied to the second spray head 51 through the water tank 03; the second nozzle 51 is fixed on the limiting plate 52, the limiting plate 52 is fixedly connected with the second supporting column 53, the second supporting column 53 is slidably connected to the guide rod 54, and when the second supporting column 53 moves, the second nozzle 51 can be driven to move in the horizontal direction, so that the horizontal position of the second nozzle 51 can be adjusted.
Furthermore, second shower nozzle 51 one end and connecting plate 56 fixed connection, the last rotation of connecting plate 56 is connected with first threaded rod 57, first threaded rod 57 with fix the threaded sleeve 58 threaded connection on mount 22, and first threaded rod 57 keep away from second shower nozzle 51 one end and change 59 fixed connection, can drive first threaded rod 57 when rotatory change 59 and rotate, and then drive first threaded rod 57 and move on the horizontal direction, can drive second shower nozzle 51 and move on the horizontal direction when first threaded rod 57 moves, have very good regulating power, it is very simple and practical.
Further, the bottom fire extinguishing assembly 06 comprises a first water pipe 61 and a second water pipe 63 arranged on the support plate 21, the first water pipe 61 and the second water pipe 63 are respectively provided with a plurality of third spray heads 62 and fourth spray heads 64 in a rotating manner, namely, the third spray heads 62 and the fourth spray heads 64 can both rotate, so that the spraying angle can be conveniently adjusted; the third spray head 62 is communicated with the output end of a water pump 68 through a third water guide pipe 65, the input end of the water pump 68 is communicated with the water tank 03 through a water inlet pipe 69, and then the water in the water tank 03 is transferred into a second water through pipe 63 through the water pump 68; in addition, a flow divider 66 is arranged on the third water conduit 65, the flow divider 66 is communicated with the first water conduit 61 through a fourth water conduit 67, and then the water pump 68 can transfer water to the first water conduit 61 and the second water conduit 63 during operation, and then spray and sprinkle water through the third spray head 62 and the fourth spray head 64, so that the practicality is very good.
Furthermore, the bottom fire extinguishing assembly 06 further includes a second threaded rod 610 rotatably connected to the support plate 21, one end of the second threaded rod 610 is fixedly connected to the adjusting block 611, the second threaded rod 610 can be driven to rotate when the adjusting block 611 is rotated, a moving block 612 is connected to the second threaded rod 610 in a threaded manner, the moving block 612 can be driven to move in the horizontal direction when the second threaded rod 610 rotates, so as to conveniently adjust the position of the moving block 612, a first connecting seat 613 is fixed on the moving block 612, the first connecting seat 613 is hinged to the third spray head 62 and a second connecting seat 615 on the fourth spray head 64 through a first connecting rod 614, so that the moving block 612 can drive the second connecting seat 615 to rotate when moving, adjacent third spray heads 62 are hinged to each other through a second connecting rod 616, and adjacent fourth spray heads 64 are hinged to each other through a second connecting rod 616, so as to conveniently drive the remaining third spray heads 62 and fourth spray heads 64 to also rotate, making the adjustment capability better.
Further, the buffer assembly 07 comprises an auxiliary block 71 arranged in the support box 01, the auxiliary block 71 is connected with the support leg 11 through a first spring 72, and therefore the buffer assembly has a buffer capacity of movement; in addition, a fixed block 710 is further fixed in the support box 01, a fixed shaft 77 is fixed on the fixed block 710, a sliding sleeve 76 is connected to the fixed shaft 77 in a sliding manner, namely the sliding sleeve 76 can move in the length direction of the fixed shaft 77, fourth connecting seats 75 are fixed at two ends of the sliding sleeve 76, the fourth connecting seats 75 are hinged to third connecting seats 73 arranged on the support legs 11 and the auxiliary block 71 through third connecting rods 74, the support legs 11 can drive the sliding sleeve 76 to slide on the fixed shaft 77 through the third connecting rods 74 in the moving process, the sliding sleeve 76 is connected to a fixed sleeve 79 fixed on the fixed block 710 through second springs 78, and therefore the buffer effect is very good, and the buffer box is very simple and practical.
The upper fire extinguishing assembly 04, the middle fire extinguishing assembly 05 and the bottom fire extinguishing assembly 06 are arranged, so that fire can be extinguished at different heights, the selection can be performed according to actual needs, the practicability is very good, meanwhile, the upper fire extinguishing assembly 04, the middle fire extinguishing assembly 05 and the bottom fire extinguishing assembly 06 can be adjusted, meanwhile, the adjusting mode is simple, the use by workers is convenient, and the adjusting capacity is very good; and the buffer component 07 arranged on the support box 01 has a good buffer effect, and the shock absorption capacity in the moving process is improved.
Example 2
The auxiliary box 24 is connected with the opening door 82 through a hinge, so that the effect of limiting the inner space of the auxiliary box 24 is achieved; meanwhile, the fire extinguisher 81 is placed in the auxiliary box 24, the fire extinguisher 81 is convenient to assist in extinguishing fire, the overall functionality is improved, and the fire extinguisher 81 is protected by opening the door 82, so that the fire extinguisher is very simple.
The working principle of the invention is as follows: with the position that whole removal needs put out a fire, then put out a fire subassembly 04, well subassembly 05 and end put out a fire the position of subassembly 06 of putting out a fire according to actual conditions regulation, put out a fire through last subassembly 04, well subassembly 05 and end put out a fire the subassembly 06 of putting out a fire, and when putting out a fire, the staff carries out the auxiliary fire extinguishing through taking out fire extinguisher 81 in the auxiliary tank 24.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (9)
1. A fire extinguishing device convenient to move comprises a supporting box (01), supporting legs (11) are arranged at the bottom of the supporting box (01), moving wheels (12) are arranged on the supporting legs (11), and the fire extinguishing device is characterized in that a fixing frame assembly (02) is arranged at the top of the supporting box (01), the fixing frame assembly (02) comprises a supporting plate (21) and a fixing frame (22), a limiting box (27) is fixed on the supporting plate (21), a first fixing plate (23) is fixed between the limiting box (27) and the fixing frame (22), a water tank (03) is placed on the first fixing plate (23), one end, far away from the limiting box (27), of the fixing frame (22) is fixedly connected with an auxiliary box (24), a pulling plate (25) is fixed on the auxiliary box (24), an upper fire extinguishing assembly (04) is rotatably arranged at the top of the fixing frame (22), and a second fixing plate (26) is further fixed on the fixing, a middle fire extinguishing assembly (05) is movably connected to the second fixing plate (26), and a bottom fire extinguishing assembly (06) is arranged on the supporting plate (21); the supporting legs (11) are movably connected with the buffer components (07) in the supporting box (01).
2. A portable fire suppression apparatus according to claim 1, wherein the auxiliary tank (24) is connected to an opening door (82) by a hinge; a fire extinguisher (81) is placed in the auxiliary box (24).
3. A portable fire extinguishing apparatus according to claim 1, wherein the upper fire extinguishing unit (04) comprises a first supporting pillar (41) fixed on the top of the fixed frame (22), the first supporting pillar (41) is rotatably connected with a rotating shaft (44) fixed on a first spray head (43), and the first spray head (43) is communicated with the water tank (03) through a first water guiding pipe (45).
4. A fire extinguishing apparatus convenient to move according to claim 3, characterized in that the upper fire extinguishing assembly (04) further comprises a slide rail (46) arranged on the first spray head (43), a slide block (47) is connected on the slide rail (46) in a sliding manner, the slide block (47) is fixedly connected with the output end of a telescopic cylinder (48), the telescopic cylinder (48) is fixed on the transverse plate (42), and the transverse plate (42) is fixed between the first supporting columns (41).
5. A conveniently movable fire extinguishing apparatus according to claim 1, wherein the fire extinguishing assembly (05) comprises a second spray head (51), the second spray head (51) is communicated with the water tank (03) through a second water conduit (55), the second spray head (51) is fixed on a limiting plate (52), the limiting plate (52) is fixedly connected with a second supporting column (53), and the second supporting column (53) is slidably connected on a guide rod (54).
6. A portable fire extinguishing apparatus according to claim 5, wherein the second nozzle (51) is fixedly connected at one end to the connecting plate (56), the connecting plate (56) is rotatably connected with a first threaded rod (57), the first threaded rod (57) is in threaded connection with a threaded sleeve (58) fixed to the fixing frame (22), and the end of the first threaded rod (57) away from the second nozzle (51) is fixedly connected with a rotating handle (59).
7. The fire extinguishing apparatus convenient to move as claimed in claim 1, wherein the bottom fire extinguishing assembly (06) comprises a first water through pipe (61) and a second water through pipe (63) arranged on the supporting plate (21), the first water through pipe (61) and the second water through pipe (63) are respectively provided with a plurality of third spray heads (62) and fourth spray heads (64) in a rotating manner, the third spray heads (62) are communicated with the output end of the water pump (68) through a third water guide pipe (65), the input end of the water pump (68) is communicated with the water tank (03) through a water inlet pipe (69), a flow divider (66) is arranged on the third water guide pipe (65), and the flow divider (66) is communicated with the first water through pipe (61) through a fourth water guide pipe (67).
8. The fire extinguishing apparatus convenient to move according to claim 7, wherein the bottom fire extinguishing assembly (06) further comprises a second threaded rod (610) rotatably connected to the supporting plate (21), one end of the second threaded rod (610) is fixedly connected with the adjusting block (611), a moving block (612) is connected to the second threaded rod (610) in a threaded manner, a first connecting seat (613) is fixed to the moving block (612), and the first connecting seat (613) is hinged to a second connecting seat (615) on the third spray head (62) and the fourth spray head (64) through a first connecting rod (614).
9. The fire extinguishing apparatus convenient to move according to claim 1, wherein the buffer assembly (07) comprises an auxiliary block (71) arranged in the supporting box (01), the auxiliary block (71) is connected with the supporting leg (11) through a first spring (72), a fixed block (710) is further fixed in the supporting box (01), a fixed shaft (77) is fixed on the fixed block (710), a sliding sleeve (76) is slidably connected on the fixed shaft (77), fourth connecting seats (75) are fixed at both ends of the sliding sleeve (76), the fourth connecting seats (75) are hinged to third connecting seats (73) arranged on the supporting leg (11) and the auxiliary block (71) through third connecting rods (74), and the sliding sleeve (76) is connected with a fixed sleeve (79) fixed on the fixed block (710) through a second spring (78).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286428.9A CN112402869A (en) | 2020-11-17 | 2020-11-17 | Fire extinguishing device convenient to move |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011286428.9A CN112402869A (en) | 2020-11-17 | 2020-11-17 | Fire extinguishing device convenient to move |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112402869A true CN112402869A (en) | 2021-02-26 |
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ID=74830919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011286428.9A Withdrawn CN112402869A (en) | 2020-11-17 | 2020-11-17 | Fire extinguishing device convenient to move |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112402869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113616966A (en) * | 2021-08-10 | 2021-11-09 | 王中成 | Atomizing spraying fire-fighting device for fire emergency channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113616966A (en) * | 2021-08-10 | 2021-11-09 | 王中成 | Atomizing spraying fire-fighting device for fire emergency channel |
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Application publication date: 20210226 |