CN208552916U - A kind of fire extinguisher mobility-aid apparatus - Google Patents
A kind of fire extinguisher mobility-aid apparatus Download PDFInfo
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- CN208552916U CN208552916U CN201820722404.5U CN201820722404U CN208552916U CN 208552916 U CN208552916 U CN 208552916U CN 201820722404 U CN201820722404 U CN 201820722404U CN 208552916 U CN208552916 U CN 208552916U
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- fire extinguisher
- annulus
- spring
- pedestal
- guide sleeve
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Abstract
The utility model relates to a kind of mobile device more particularly to a kind of fire extinguisher mobility-aid apparatus.The technical issues of the utility model is: providing one kind can move rapidly in small space, save physical strength, time saving fire extinguisher mobility-aid apparatus.Technical solution is as follows: a kind of fire extinguisher mobility-aid apparatus, includes pedestal, universal wheel, connecting plate, sliding block, pull rod, bolt, first guide sleeve etc.；Universal wheel is installed, right part is equipped with connecting plate on the upside of pedestal, and connecting plate right upper portion is embedded with sliding rail, and slidingtype is equipped with sliding block, slider top connecting rod on sliding rail, and slider bottom is equipped with bolt, and sliding rail lower right side is equipped with the first guide sleeve on the right side of base bottom.The utility model, which has reached, overcomes narrow space, reaches scene of fire rapidly, reduces the effect of loss, and the utility model moves fire extinguisher rapidly by pull rod and universal wheel, further through fixed device fixed fire extinguishing, fire extinguisher is made to be not easy to fall in equipment.
Description
Technical field
The utility model relates to a kind of mobile device more particularly to a kind of fire extinguisher mobility-aid apparatus.
Background technique
Fire extinguisher is a kind of portable Fire extinguisher, its inside placed chemical substance, to rescue fire extinguishing calamity.Fire extinguishing
Device is also common one of fireproofing installation, is stored in public place or the place of fire may occur, different types of fire extinguisher
The ingredient of interior filling is different, is to aim at different fire to rise thus set, when use must be noted that in order to avoid generating minus effect and drawing
Play danger.
It, may be due to space mistake when fire fighter, which drives fire fighting truck, to be entered the area of forest or building dense and put out a fire
In narrow, fire fighting truck can not be driven into, it is therefore desirable to and fire fighter mentions the area that fire extinguisher enters forest or building dense, from
And put out a fire, but the preponderance of fire extinguisher, distance farther out, to waste time, cause fire fighter not catch up with rapidly
It puts out a fire to area on fire, leads to more casualties and property loss.
To sum up, needing to research and develop one kind at present can move rapidly in small space, save physical strength, time saving fire extinguishing
Device mobility-aid apparatus, to overcome in the prior art since space is excessively narrow, fire extinguisher can not be moved rapidly, to waste body
The shortcomings that power wastes time, and leads to more casualties and property loss.
Utility model content
In order to overcome in the prior art since space is excessively narrow, fire extinguisher can not be moved rapidly, so that physical strength is wasted, wave
Time-consuming, the technical issues of the shortcomings that leading to more casualties and property loss, the utility model is: providing one kind can be with
It moved rapidly in small space, save physical strength, time saving fire extinguisher mobility-aid apparatus.
Technical solution is as follows: a kind of fire extinguisher mobility-aid apparatus includes pedestal, universal wheel, connecting plate, sliding block, drawing
Bar, bolt, the first guide sleeve, nut and fixed device, base bottom right side are equipped with universal wheel, and right part is equipped with connection on the upside of pedestal
Plate, connecting plate right upper portion are embedded with sliding rail, and slidingtype is equipped with sliding block, slider top connecting rod on sliding rail, and slider bottom is equipped with
Bolt, sliding rail lower right side are equipped with the first guide sleeve, and bolt passes through the first guide sleeve, and there are two nut, two nuts for rotation in the middle part of bolt
The top and the bottom of the first guide sleeve are located at, connecting plate left side central portion is equipped with fixed device.
Fixing device in one of the embodiments, includes snap ring, the first spring, rubber pressing plate, the first annulus, second
Annulus and inserted link, connecting plate left side front and back two are hinged with snap ring, and two snap ring middle insides are symmetrically provided with first
Groove is respectively connected with the first spring in the first groove, and two the first spring rear ends of front side are connected with a rubber pressing plate, rear side
Two the first spring at front end be connected with another rubber pressing plate, the first annulus, the snap ring of rear side are equipped on the left of the snap ring of front side
Left side is equipped with the second annulus, is inserted with inserted link in the first annulus and the second annulus.
It in one of the embodiments, further include having damping device, pedestal is equipped with damping device, and damping device includes
Second spring, notch plate, baffle, the second guide sleeve and guide rod are provided with the second groove among base top, and bottom is left in the second groove
Right two sides are respectively connected with second spring, and second spring top is connected with notch plate, and notch plate top left side is equipped with baffle, notch plate
Guide rod is equipped at left and right sides of bottom, slidingtype is cased with the second guide sleeve on guide rod.
In one of the embodiments, further include having strut and rubber pad, strut, strut bottom end are equipped on the left of base bottom
Equipped with rubber pad.
When fire fighter needs the area for entering forest or building dense to put out a fire, when fire fighting truck can not drive into, disappear
Anti- personnel can first take out fire extinguisher mobility-aid apparatus, and fire extinguisher body is placed on fixed device and carries out by fire fighter
Fixed, fire fighter can also unscrew two nuts outward, to move up or down bolt, and then make bolt band movable slider
It moves up or down on the slide rail, finally makes sliding block that pull rod be driven to move up or down, when fire fighter is by draw rod positions
After regulating, fire fighter is by two nut tightenings, to fix bolt, reaches the height adjusting yoke according to fire fighter
The purpose of height, fire fighter push this equipment to scene of fire, when fire fighter rushes to scene of fire, can start to flame range
It puts out a fire.
Because fixed device includes snap ring, the first spring, rubber pressing plate, the first annulus, the second annulus and inserted link, connection
Front and back two is hinged with snap ring on the left of plate, and two snap ring middle insides are symmetrically provided with the first groove, in the first groove
It is respectively connected with the first spring, two the first spring rear ends of front side are connected with a rubber pressing plate, two the first springs of rear side
Front end is connected with another rubber pressing plate, and the first annulus is equipped on the left of the snap ring of front side, the second circle is equipped on the left of the snap ring of rear side
Inserted link is inserted in ring, the first annulus and the second annulus.When fire fighter puts out a fire, fire fighter is by inserted link to clockwise
90 degree dynamic, fire fighter extracts inserted link out of the second annulus and the first annulus, so that two sides are opened forwards, backwards by two snap rings,
And then fire extinguisher is placed on vertically between two snap rings, and fire extinguisher bottom is then placed on pedestal, fire fighter is again two
A snap ring is closed to centre, and when rubber pressing plate is contacted with fire extinguisher body, the first spring is compressed, and fire fighter is again by inserted link
It turns back in the second annulus and the first annulus, and inserted link to rotating counterclockwise 90 degree, so that two snap rings are by fire extinguisher sheet
Body is fixed.
Because further including having damping device, pedestal is equipped with damping device, and damping device includes second spring, spill
Plate, baffle, the second guide sleeve and guide rod are provided with the second groove among base top, are all connected at left and right sides of bottom in the second groove
There is second spring, second spring top is connected with notch plate, and notch plate top left side is equipped with baffle, the notch plate bottom left and right sides
It is equipped with guide rod, slidingtype is cased with the second guide sleeve on guide rod.So when fire fighter's mobile device is when crankcase ventilaton is walked,
During jolting, second spring is compressed and resetted all the way, drive notch plate moves by a small margin up and down, so as to avoid recessed
There is the case where damage because of the vibration in pushing course in fire extinguisher body on shape plate.
Because further including having strut and rubber pad, strut is equipped on the left of base bottom, strut bottom end is equipped with rubber pad.So
When fire fighter is placed on equipment on level land, by strut and rubber pad this equipment will not be tilted to the left, to fix
This equipment.
The utility model, which has reached, overcomes narrow space, reaches scene of fire rapidly, reduces the effect of loss, this is practical new
Type moves fire extinguisher rapidly by pull rod and universal wheel, further through fixed device fixed fire extinguishing, makes fire extinguisher in equipment
It is not easy to fall, and the setting of damping device avoids fire extinguisher from shaking the case where damaging in pushing course.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the utility model.
Fig. 2 is the overlooking structure diagram of the fixed device of the utility model.
Fig. 3 is the backsight structural representation of the second annulus of the utility model.
Fig. 4 is second of schematic view of the front view of the utility model.
Fig. 5 is the third schematic view of the front view of the utility model.
The meaning of appended drawing reference in figure: 1 pedestal, 2 universal wheels, 3 connecting plates, 4 sliding rails, 5 sliding blocks, 6 pull rods, 7 spiral shells
Bolt, 8 first guide sleeves, 9 nuts, 10 fixed devices, 101 snap rings, 102 first grooves, 103 first springs, 104 rubber
Pressing plate, 105 first annulus, 106 inserted links, 107 second annulus, 11 fire extinguisher bodies, 12 damping devices, 121 second is recessed
Slot, 122 second springs, 123 notch plates, 124 baffles, 125 second guide sleeves, 126 guide rods, 13 struts, 14 rubber pads.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
A kind of fire extinguisher mobility-aid apparatus, as shown in Figs. 1-5, include pedestal 1, universal wheel 2, connecting plate 3, sliding block 5,
Pull rod 6, bolt 7, the first guide sleeve 8, nut 9 and fixed device 10,1 bottom right of pedestal are equipped with universal wheel 2,1 upside of pedestal
Right part is equipped with connecting plate 3, and 3 right upper portion of connecting plate is embedded with sliding rail 4, and slidingtype is equipped with sliding block 5 on sliding rail 4, connects at the top of sliding block 5
Pull rod 6,5 bottom of sliding block are equipped with bolt 7, and 4 lower right side of sliding rail is equipped with the first guide sleeve 8, and bolt 7 passes through the first guide sleeve 8, bolt 7
There are two nut 9, two nuts 9 are located at the top and the bottom of the first guide sleeve 8 for middle part rotation, and 3 left side central portion of connecting plate, which is equipped with, fixes
Device 10.
Embodiment 2
A kind of fire extinguisher mobility-aid apparatus, as shown in Figs. 1-5, include pedestal 1, universal wheel 2, connecting plate 3, sliding block 5,
Pull rod 6, bolt 7, the first guide sleeve 8, nut 9 and fixed device 10,1 bottom right of pedestal are equipped with universal wheel 2,1 upside of pedestal
Right part is equipped with connecting plate 3, and 3 right upper portion of connecting plate is embedded with sliding rail 4, and slidingtype is equipped with sliding block 5 on sliding rail 4, connects at the top of sliding block 5
Pull rod 6,5 bottom of sliding block are equipped with bolt 7, and 4 lower right side of sliding rail is equipped with the first guide sleeve 8, and bolt 7 passes through the first guide sleeve 8, bolt 7
There are two nut 9, two nuts 9 are located at the top and the bottom of the first guide sleeve 8 for middle part rotation, and 3 left side central portion of connecting plate, which is equipped with, fixes
Device 10.
Fixed device 10 includes snap ring 101, the first spring 103, rubber pressing plate 104, the first annulus 105, the second annulus
107 and inserted link 106,3 left side front and back two of connecting plate is hinged with snap ring 101, two 101 middle insides of snap ring bilateral symmetry
It is provided with the first groove 102, the first spring 103 is respectively connected in the first groove 102, two 103 rear ends of the first spring of front side connect
It is connected to a rubber pressing plate 104, two 103 front ends of the first spring of rear side are connected with another rubber pressing plate 104, the card of front side
It is equipped with the first annulus 105 on the left of ring 101, the second annulus 107, the first annulus 105 and the second circle are equipped on the left of the snap ring 101 of rear side
Inserted link 106 is inserted in ring 107.
Embodiment 3
A kind of fire extinguisher mobility-aid apparatus, as shown in Figs. 1-5, include pedestal 1, universal wheel 2, connecting plate 3, sliding block 5,
Pull rod 6, bolt 7, the first guide sleeve 8, nut 9 and fixed device 10,1 bottom right of pedestal are equipped with universal wheel 2,1 upside of pedestal
Right part is equipped with connecting plate 3, and 3 right upper portion of connecting plate is embedded with sliding rail 4, and slidingtype is equipped with sliding block 5 on sliding rail 4, connects at the top of sliding block 5
Pull rod 6,5 bottom of sliding block are equipped with bolt 7, and 4 lower right side of sliding rail is equipped with the first guide sleeve 8, and bolt 7 passes through the first guide sleeve 8, bolt 7
There are two nut 9, two nuts 9 are located at the top and the bottom of the first guide sleeve 8 for middle part rotation, and 3 left side central portion of connecting plate, which is equipped with, fixes
Device 10.
Fixed device 10 includes snap ring 101, the first spring 103, rubber pressing plate 104, the first annulus 105, the second annulus
107 and inserted link 106,3 left side front and back two of connecting plate is hinged with snap ring 101, two 101 middle insides of snap ring bilateral symmetry
It is provided with the first groove 102, the first spring 103 is respectively connected in the first groove 102, two 103 rear ends of the first spring of front side connect
It is connected to a rubber pressing plate 104, two 103 front ends of the first spring of rear side are connected with another rubber pressing plate 104, the card of front side
It is equipped with the first annulus 105 on the left of ring 101, the second annulus 107, the first annulus 105 and the second circle are equipped on the left of the snap ring 101 of rear side
Inserted link 106 is inserted in ring 107.
Further include having damping device 12, pedestal 1 be equipped with damping device 12, damping device 12 include second spring 122,
Notch plate 123, baffle 124, the second guide sleeve 125 and guide rod 126,1 top center of pedestal are provided with the second groove 121, the second groove
It is respectively connected with second spring 122 at left and right sides of bottom in 121,122 top of second spring is connected with notch plate 123, notch plate 123
Top left side is equipped with baffle 124, and guide rod 126 is equipped at left and right sides of 123 bottom of notch plate, and slidingtype is cased on guide rod 126
Second guide sleeve 125.
Embodiment 4
A kind of fire extinguisher mobility-aid apparatus, as shown in Figs. 1-5, include pedestal 1, universal wheel 2, connecting plate 3, sliding block 5,
Pull rod 6, bolt 7, the first guide sleeve 8, nut 9 and fixed device 10,1 bottom right of pedestal are equipped with universal wheel 2,1 upside of pedestal
Right part is equipped with connecting plate 3, and 3 right upper portion of connecting plate is embedded with sliding rail 4, and slidingtype is equipped with sliding block 5 on sliding rail 4, connects at the top of sliding block 5
Pull rod 6,5 bottom of sliding block are equipped with bolt 7, and 4 lower right side of sliding rail is equipped with the first guide sleeve 8, and bolt 7 passes through the first guide sleeve 8, bolt 7
There are two nut 9, two nuts 9 are located at the top and the bottom of the first guide sleeve 8 for middle part rotation, and 3 left side central portion of connecting plate, which is equipped with, fixes
Device 10.
Fixed device 10 includes snap ring 101, the first spring 103, rubber pressing plate 104, the first annulus 105, the second annulus
107 and inserted link 106,3 left side front and back two of connecting plate is hinged with snap ring 101, two 101 middle insides of snap ring bilateral symmetry
It is provided with the first groove 102, the first spring 103 is respectively connected in the first groove 102, two 103 rear ends of the first spring of front side connect
It is connected to a rubber pressing plate 104, two 103 front ends of the first spring of rear side are connected with another rubber pressing plate 104, the card of front side
It is equipped with the first annulus 105 on the left of ring 101, the second annulus 107, the first annulus 105 and the second circle are equipped on the left of the snap ring 101 of rear side
Inserted link 106 is inserted in ring 107.
Further include having damping device 12, pedestal 1 be equipped with damping device 12, damping device 12 include second spring 122,
Notch plate 123, baffle 124, the second guide sleeve 125 and guide rod 126,1 top center of pedestal are provided with the second groove 121, the second groove
It is respectively connected with second spring 122 at left and right sides of bottom in 121,122 top of second spring is connected with notch plate 123, notch plate 123
Top left side is equipped with baffle 124, and guide rod 126 is equipped at left and right sides of 123 bottom of notch plate, and slidingtype is cased on guide rod 126
Second guide sleeve 125.
It further include having strut 13 and rubber pad 14,1 bottom left of pedestal is equipped with strut 13, and 13 bottom end of strut is equipped with rubber pad
14。
When fire fighter needs the area for entering forest or building dense to put out a fire, when fire fighting truck can not drive into, disappear
Anti- personnel can first take out fire extinguisher mobility-aid apparatus, and fire extinguisher body 11 is placed on fixed device 10 by fire fighter
It is fixed, fire fighter can also unscrew two nuts 9 outward, to move up or down bolt 7, and then make bolt 7
Band movable slider 5 moves up or down on sliding rail 4, finally makes sliding block 5 that pull rod 6 be driven to move up or down, as fire-fighting people
After member regulates 6 position of pull rod, fire fighter screws two nuts 9, to fix bolt 7, reaches according to fire-fighting people
The purpose of 6 height of height adjusting yoke of member, fire fighter push this equipment to scene of fire, show when fire fighter rushes to fire
, it can start to put out a fire to flame range.
Because fixed device 10 includes snap ring 101, the first spring 103, rubber pressing plate 104, the first annulus 105, second
Annulus 107 and inserted link 106,3 left side front and back two of connecting plate are hinged with snap ring 101, two 101 middle insides of snap ring left and right
It symmetrically is provided with the first groove 102, is respectively connected with the first spring 103 in the first groove 102, after two the first springs 103 of front side
End is connected with a rubber pressing plate 104, and two 103 front ends of the first spring of rear side are connected with another rubber pressing plate 104, front side
Snap ring 101 on the left of be equipped with the first annulus 105, be equipped with the second annulus 107 on the left of the snap ring 101 of rear side, the first annulus 105 and the
Inserted link 106 is inserted in two annulus 107.When fire fighter puts out a fire, inserted link 106 is moved 90 to clockwise by fire fighter
Degree, fire fighter extracts inserted link 106 out of the second annulus 107 and the first annulus 105, thus forwards, backwards by two snap rings 101
Two sides are opened, and then fire extinguisher is placed on vertically between two snap rings 101, and fire extinguisher bottom is then placed on pedestal 1, is disappeared
Anti- personnel close two snap rings 101 to centre again, when rubber pressing plate 104 is contacted with fire extinguisher body 11, the first spring 103
It is compressed, fire fighter again turns back to inserted link 106 in second annulus 107 and the first annulus 105, and inserted link 106 to counterclockwise
90 degree of rotation, so that two snap rings 101 fix fire extinguisher body 11.
Because further including having damping device 12, pedestal 1 is equipped with damping device 12, and damping device 12 includes second spring
122, notch plate 123, baffle 124, the second guide sleeve 125 and guide rod 126,1 top center of pedestal are provided with the second groove 121, and second
It is respectively connected with second spring 122 at left and right sides of bottom in groove 121,122 top of second spring is connected with notch plate 123, spill
123 top left side of plate is equipped with baffle 124, is equipped with guide rod 126, equal slidingtype on guide rod 126 at left and right sides of 123 bottom of notch plate
It is cased with the second guide sleeve 125.So when fire fighter's mobile device is when crankcase ventilaton is walked, all the way during jolting, the
Two springs 122 are compressed and are resetted, and drive about 123 notch plate to move by a small margin, so as to avoid the fire extinguishing on notch plate 123
There is the case where damage because of the vibration in pushing course in device ontology 11.
Because further including having strut 13 and rubber pad 14,1 bottom left of pedestal is equipped with strut 13, and 13 bottom end of strut is equipped with rubber
Rubber mat 14.So making this equipment will not be to the left by strut 13 and rubber pad 14 when fire fighter is placed on equipment on level land
Inclination, to fix this equipment.
Although the disclosure, art technology has shown and described referring to the certain exemplary embodiments of the disclosure
Personnel it should be understood that in the case where the spirit and scope of the present disclosure limited without departing substantially from the following claims and their equivalents,
A variety of changes in form and details can be carried out to the disclosure.Therefore, the scope of the present disclosure should not necessarily be limited by above-described embodiment,
But should be not only determined by appended claims, also it is defined by the equivalent of appended claims.
Claims (4)
1. a kind of fire extinguisher mobility-aid apparatus, which is characterized in that include pedestal (1), universal wheel (2), connecting plate (3), slide
Block (5), pull rod (6), bolt (7), the first guide sleeve (8), nut (9) and fixation device (10), pedestal (1) bottom right are equipped with
Universal wheel (2), pedestal (1) upside right part are equipped with connecting plate (3), and connecting plate (3) right upper portion is embedded with sliding rail (4), on sliding rail (4)
Slidingtype is equipped with sliding block (5), and connecting rod (6) at the top of sliding block (5), sliding block (5) bottom is equipped with bolt (7), under sliding rail (4) right side
Portion is equipped with the first guide sleeve (8), and bolt (7) passes through the first guide sleeve (8), and there are two nut (9), two nuts for rotation in the middle part of bolt (7)
(9) top and the bottom of the first guide sleeve (8) are located at, connecting plate (3) left side central portion is equipped with fixed device (10).
2. a kind of fire extinguisher mobility-aid apparatus according to claim 1, which is characterized in that fixed device (10) include
Snap ring (101), the first spring (103), rubber pressing plate (104), the first annulus (105), the second annulus (107) and inserted link (106),
Front and back two is hinged with snap ring (101) on the left of connecting plate (3), and two snap ring (101) middle insides are symmetrically provided with the
One groove (102), the first groove (102) is interior to be respectively connected with the first spring (103), two the first spring (103) rear ends of front side
It is connected with a rubber pressing plate (104), two the first spring (103) front ends of rear side are connected with another rubber pressing plate (104),
The first annulus (105) are equipped on the left of the snap ring (101) of front side, are equipped with the second annulus (107) on the left of the snap ring (101) of rear side, the
Inserted link (106) are inserted in one annulus (105) and the second annulus (107).
3. a kind of fire extinguisher mobility-aid apparatus according to claim 2, which is characterized in that further include having damping device
(12), pedestal (1) is equipped with damping device (12), and damping device (12) includes second spring (122), notch plate (123), gear
Plate (124), the second guide sleeve (125) and guide rod (126), pedestal (1) top center are provided with the second groove (121), the second groove
(121) it being respectively connected with second spring (122) at left and right sides of interior bottom, second spring (122) top is connected with notch plate (123),
Notch plate (123) top left side is equipped with baffle (124), is equipped with guide rod (126), guide rod at left and right sides of notch plate (123) bottom
(126) equal slidingtype is cased with the second guide sleeve (125) on.
4. a kind of fire extinguisher mobility-aid apparatus according to claim 3, which is characterized in that further include have strut (13) and
Rubber pad (14), pedestal (1) bottom left are equipped with strut (13), and strut (13) bottom end is equipped with rubber pad (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820722404.5U CN208552916U (en) | 2018-05-16 | 2018-05-16 | A kind of fire extinguisher mobility-aid apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820722404.5U CN208552916U (en) | 2018-05-16 | 2018-05-16 | A kind of fire extinguisher mobility-aid apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208552916U true CN208552916U (en) | 2019-03-01 |
Family
ID=65483115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820722404.5U Expired - Fee Related CN208552916U (en) | 2018-05-16 | 2018-05-16 | A kind of fire extinguisher mobility-aid apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN208552916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933471A (en) * | 2021-02-07 | 2021-06-11 | 宁波正欣消防设备有限公司 | Safety fire extinguisher far away from fire scene |
-
2018
- 2018-05-16 CN CN201820722404.5U patent/CN208552916U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933471A (en) * | 2021-02-07 | 2021-06-11 | 宁波正欣消防设备有限公司 | Safety fire extinguisher far away from fire scene |
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Granted publication date: 20190301 Termination date: 20210516 |