CN109568845A - A kind of intelligent extinguisher of adjustable fountain height - Google Patents
A kind of intelligent extinguisher of adjustable fountain height Download PDFInfo
- Publication number
- CN109568845A CN109568845A CN201811365410.0A CN201811365410A CN109568845A CN 109568845 A CN109568845 A CN 109568845A CN 201811365410 A CN201811365410 A CN 201811365410A CN 109568845 A CN109568845 A CN 109568845A
- Authority
- CN
- China
- Prior art keywords
- fire extinguisher
- fountain height
- positioning
- pedestal
- partition
- 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.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
- A62C13/78—Suspending or supporting devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
Abstract
The invention discloses a kind of intelligent extinguishers of adjustable fountain height, including fire extinguisher body, the lower end of the fire extinguisher body is equipped with pedestal, and the groove activity clamping of fire extinguisher body and pedestal, the support base upper surface left end of the pedestal is equipped with handrail, and the inside of pedestal is equipped with storage groove, the internal storage of storage groove has battery group, the side of the handrail is set there are two positioning device, the positioning ring of positioning device is actively socketed on the outside of the tank body of fire extinguisher body, the tank interior of fire extinguisher body is equipped with driving device, the screw rod side of driving device is equipped with separating device.The intelligent extinguisher of the adjustable fountain height; can the fire extinguisher body of different height be stored and be limited fixation; stability is good; it can move, save manpower, quantitative separation and sprinkling can also be carried out to extinguishing chemical; the waste of extinguishing chemical can be reduced; environment can be protected simultaneously, it is easy to operate, it is easy to use.
Description
Technical field
The present invention relates to fire extinguisher technical field, specially a kind of intelligent extinguisher of adjustable fountain height.
Background technique
Fire extinguisher is a kind of portable Fire extinguisher.Chemical substance is placed in fire extinguisher, to rescue fire extinguishing calamity.Fire extinguisher is
One of common fireproofing installation is stored in public place or the place of fire may occur, filling in different types of fire extinguisher
Ingredient it is different, be aim at different fire rise thus set.Must be noted that when use in order to avoid generate minus effect and cause danger,
Existing fire extinguisher mainly makes one to carry out controlling manually to put out a fire, but this mode cannot carry out the fountain height of extinguishing chemical
It adjusts, be easy to cause the waste of extinguishing chemical, while causing environmental pollution, it is inconvenient to use, and existing fire extinguisher stability
It is bad, it can't move, operator is needed to take, waste of manpower.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of intelligent fire fighting of adjustable fountain height
Device can be stored and be limited fixation to the fire extinguisher body of different height, and stability is good, can be moved, and save manpower, also
Quantitative separation and sprinkling can be carried out to extinguishing chemical, it is possible to reduce the waste of extinguishing chemical, while environment can be protected, it grasps
Make simply, it is easy to use, it can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of intelligent extinguisher of adjustable fountain height, packet
Fire extinguisher body is included, the lower end of the fire extinguisher body is equipped with pedestal, and the groove activity clamping of fire extinguisher body and pedestal, institute
The support base upper surface left end for stating pedestal is equipped with handrail, and the inside of pedestal is equipped with storage groove, and the internal storage of storage groove has storage
Battery pack, the side of the handrail are set there are two positioning device, and the positioning ring of the positioning device is actively socketed on fire extinguisher sheet
On the outside of the tank body of body, the tank interior of the fire extinguisher body is equipped with driving device, and the screw rod side of the driving device is equipped with
The cylindricality nut of separating device, the separating device is connect with screw flight, and the partition upper surface of separating device is equipped with sealing
Device, the tank body side upper end of the fire extinguisher body are equipped with switching group, and the input terminal of the switching group is defeated with battery group
Outlet electrical connection.
As a preferred technical solution of the present invention, the pedestal includes support base, and the upper surface of the support base is set
It is fluted, and the side left end of support base is set there are two symmetrically arranged castor, the side right end of the support base is equipped with support
Frame.
As a preferred technical solution of the present invention, the positioning device includes positioning ring, the side of the positioning ring
If the fixes sleeve is actively socketed on the side of handrail there are two symmetrically arranged fixes sleeve, and fixes sleeve side
Screw hole internal whorl is connected with fastening bolt.
As a preferred technical solution of the present invention, the side of the positioning ring is equipped with nut, the inside of the nut
It is threaded with fixing bolt, and fixing bolt is equipped with positioning leather packing close to one end of fire extinguisher body.
As a preferred technical solution of the present invention, there are six the positioning leather packings, and six positioning leather packings are at two
The side of positioning ring is uniformly distributed.
As a preferred technical solution of the present invention, the driving device includes stepper motor, the stepper motor position
In the interior lower end of tank body, and the output shaft of stepper motor is fixedly connected by shaft coupling with the lower end of screw rod, and stepper motor
Input terminal be electrically connected with the output end of switching group.
As a preferred technical solution of the present invention, the side upper end of the screw rod is fixedly connected with the inner ring of bearing,
The outer ring of the bearing is fixedly connected with mounting rack, and mounting rack is fixedly connected with the medial surface upper end of tank body.
As a preferred technical solution of the present invention, the separating device includes partition, the upper surface of the partition and
Lower surface is equipped with sealing leather packing, and the upper surface middle part of partition is equipped with cylindricality nut, the upper table of the partition and sealing leather packing
Face is equipped with the through-hole being correspondingly arranged.
As a preferred technical solution of the present invention, partition side corresponding with sealing leather packing is equipped with arc groove,
And arc groove is slidably connected with guide rod, the guide rod is fixedly connected with the medial surface of tank body.
As a preferred technical solution of the present invention, the sealing device includes electric telescopic rod, the electric expansion
The fixing end of bar is located at the inside of partition, and the telescopic end of electric telescopic rod is equipped with annular slab, and the annular slab is corresponding with through-hole
Lower surface be equipped with equally distributed card column, and the input terminal of electric telescopic rod is electrically connected with the output end of switching group.
Compared with prior art, the beneficial effects of the present invention are:
1, the intelligent extinguisher of this adjustable fountain height can drive fire extinguisher by the support base with handrail and castor
Ontology is mobile, while the stability of support plate can be improved by castor and handrail, convenient for the vertical display of fire extinguisher body, also
Battery group can be stored, convenient for improving electric energy to the electrical equipment inside fire extinguisher body.
2, the intelligent extinguisher of this adjustable fountain height, can move fixes sleeve, and can rotate fastening along handrail
Fixes sleeve is fixed in bolt, limits convenient for the fire extinguisher body to different height, can also be fixed by rotation
Bolt carries out extruding fixation to fire extinguisher body, to improve the stability of fire extinguisher body.
3, the intelligent extinguisher of this adjustable fountain height, stepper motor can drive screw rod rotation by shaft coupling, thus
Partition is moved up and down along guide rod, convenient for carrying out quantitative isolation to the extinguishing chemical inside fire extinguisher body, while can be by electronic
Telescopic rod drives annular slab and card column mobile, to be sealed to through-hole, convenient for being stored separately for extinguishing chemical, while convenient for going out
The quantitative sprinkling of fiery agent, reduces the waste of resource, can also protect to environment.
4, the intelligent extinguisher of this adjustable fountain height, can be stored and be limited to the fire extinguisher body of different height
Fixed, stability is good, can move, and saves manpower, quantitative separation and sprinkling can also be carried out to extinguishing chemical, it is possible to reduce fire extinguishing
The waste of agent, while environment can be protected, it is easy to operate, it is easy to use.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of fire extinguisher body of the present invention；
Fig. 3 is the elevational schematic view of fire extinguisher body structure of the present invention.
In figure: 1 fire extinguisher body, 2 pedestals, 21 support bases, 22 castors, 23 support frames, 3 handrails, 4 positioning devices, 41 are consolidated
Determine sleeve, 42 fastening bolts, 43 positioning rings, 5 nuts, 51 fixing bolts, 52 positioning leather packings, 6 driving devices, 61 stepper motors,
62 shaft couplings, 63 screw rods, 7 separating devices, 71 partitions, 72 sealing leather packings, 73 cylindricality nuts, 74 through-holes, 8 sealing devices, 81 electricity
Dynamic telescopic rod, 82 annular slabs, 83 card columns, 9 guide rods, 10 battery groups, 11 switching groups, 12 mounting racks, 121 bearings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of intelligent extinguisher of adjustable fountain height, including
Fire extinguisher body 1, the lower end of fire extinguisher body 1 are equipped with pedestal 2, and pedestal 2 includes support base 21, and the upper surface of support base 21 is equipped with
Groove, and the side left end of support base 21 is set there are two symmetrically arranged castor 22, the side right end of support base 21 is equipped with support
Frame 23, and the groove activity of fire extinguisher body 1 and pedestal 2 is clamped, the 21 upper surface left end of support base of pedestal 2 is equipped with handrail 3, and
The inside of pedestal 2 is equipped with storage groove, and the internal storage of storage groove has battery group 10, can be by having handrail 3 and castor 22
Support base 21 drive fire extinguisher body 1 mobile, while the stability of support plate 21 can be improved by castor 22 and handrail 3,
Convenient for the vertical display of fire extinguisher body 1, battery group 10 can also be stored, inside to fire extinguisher body 1
Electrical equipment improves electric energy, and the side of handrail 3 is set there are two positioning device 4, and positioning device 4 includes positioning ring 43, positioning ring 43
Side set there are two symmetrically arranged fixes sleeve 41, fixes sleeve 41 is actively socketed on the side of handrail 3, and fixes sleeve
The screw hole internal whorl of 41 sides is connected with fastening bolt 42, and fixes sleeve 41 can be moved along handrail 3, and can rotate tight
Fixes sleeve 41 is fixed in fixing bolt 42, limits convenient for the fire extinguisher body 1 to different height, the side of positioning ring 43
Face is equipped with nut 5, and the internal whorl of nut 5 is connected with fixing bolt 51, and fixing bolt 51 is close to one end of fire extinguisher body 1
Equipped with positioning leather packing 52, position there are six leather packings 52, and six positioning leather packings 52 are uniformly distributed in the side of two positioning rings 43,
Extruding fixation can be carried out to fire extinguisher body 1 by rotating fixing bolt 51, so that the stability of fire extinguisher body 1 is improved,
The positioning ring 43 of positioning device 4 is actively socketed on the outside of the tank body of fire extinguisher body 1, and fire extinguisher body 1 is placed on support base 21
The inside grooves on surface move fixes sleeve 41 along handrail 3, and it is mobile that fixes sleeve 41 drives positioning ring 43, and rotates fastening spiral shell
Fixes sleeve 41 is fixed in bolt 42, rotates fixing bolt 51, fixing bolt 51 drives positioning leather packing 52 mobile, thus to going out
Firearm ontology 1 is fixed, and pulls fire extinguisher body 1 to arrive appropriate location by handrail 3, the tank interior of fire extinguisher body 1 is set
There is driving device 6, driving device 6 includes stepper motor 61, and stepper motor 61 is located at the interior lower end of tank body, and stepper motor 61
Output shaft be fixedly connected by shaft coupling 62 with the lower end of screw rod 63, and the input terminal of stepper motor 61 and switching group 11 is defeated
Outlet electrical connection, the side upper end of screw rod 63 are fixedly connected with the inner ring of bearing 121, and the outer ring of bearing 121 and mounting rack 12 are solid
Fixed connection, plays the role of stable screw rod 63, convenient for the stable rotation of screw rod 63, and the medial surface upper end of mounting rack 12 and tank body
It is fixedly connected, 63 side of screw rod of driving device 6 is equipped with separating device 7, and stepper motor 61 can drive spiral shell by shaft coupling 62
Bar 63 rotates, so that partition 71 is moved up and down along guide rod 9, convenient for carrying out quantitative isolation to the extinguishing chemical inside fire extinguisher body 1,
Separating device 7 includes partition 71, and the upper and lower surfaces of partition 71 are equipped with sealing leather packing 72, and in the upper surface of partition 71
Portion is equipped with cylindricality nut 73, and partition 71 and the upper surface for sealing leather packing 72 are equipped with the through-hole 74 being correspondingly arranged, partition 71 and sealing
The corresponding side of leather packing 72 is equipped with arc groove, and arc groove is slidably connected with guide rod 9, and the medial surface of guide rod 9 and tank body is fixed to be connected
It connects, the cylindricality nut 73 of separating device 7 is threadedly coupled with screw rod 63, and 71 upper surface of partition of separating device 7 is equipped with sealing dress
8 are set, sealing device 8 includes electric telescopic rod 81, and the fixing end of electric telescopic rod 81 is located at the inside of partition 71, and electric expansion
The telescopic end of bar 81 is equipped with annular slab 82, and the lower surface corresponding with through-hole 74 of annular slab 82 is equipped with equally distributed card column 83, can
To drive annular slab 82 and card column 83 mobile by electric telescopic rod 81, to be sealed to through-hole 74, convenient for extinguishing chemical
It is stored separately, while being convenient for the quantitative sprinkling of extinguishing chemical, reduce the waste of resource, environment can also be protected, and electronic
The input terminal of telescopic rod 81 is electrically connected with the output end of switching group 11, and the tank body side upper end of fire extinguisher body 1 is equipped with switching group
11, stepper motor 61 is controlled by switching group 11 and electric telescopic rod 81 works, electric telescopic rod 81 pushes annular slab 82 mobile,
It is mobile that annular slab 82 drives card column 83, so that card column 83 be made to separate with through-hole 74, stepper motor 61 drives spiral shell by shaft coupling 62
Bar 63 rotates, and moves partition 71 along guide rod 9 in 63 rotation process of screw rod, so that the position of partition 71 be adjusted, puts out a fire
Agent is moved inside fire extinguisher body 1 by through-hole 74, is then controlled stepper motor 61 by switching group 11 and is stopped working, and controls
Electric telescopic rod 81 processed shortens, and electric telescopic rod 81 drives the movement of card column 83 by annular slab 82, and makes card column 83 and through-hole 74
Then clamping opens fire extinguisher body 1 and puts out a fire to carry out Quantitative Separation to extinguishing chemical, the extinguishing chemical of 71 upside of partition
It is sprayed out, to complete the quantitative sprinkling of extinguishing chemical, the input terminal of switching group 11 is electrically connected with the output end of battery group 10,
Switching group 11 is equipped with control button corresponding with stepper motor 61 and electric telescopic rod 81, the intelligence of entire adjustable fountain height
Fire extinguisher, can the fire extinguisher body 1 to different height stored and limited fixation, stability is good, can move, save people
Power can also carry out quantitative separation and sprinkling to extinguishing chemical, it is possible to reduce the waste of extinguishing chemical, while environment can be protected
Shield, it is easy to operate, it is easy to use.
When in use: fire extinguisher body 1 being placed on to the inside grooves on 2 surface of support base, moves fixes sleeve along handrail 3
41, it is mobile that fixes sleeve 41 drives positioning ring 43, and rotates fastening bolt 42 and fixes sleeve 41 is fixed, and rotates fixed spiral shell
Bolt 51, fixing bolt 51 drives positioning leather packing 52 mobile, so that fire extinguisher body 1 be fixed, is pulled and is put out a fire by handrail 3
Device ontology 1 arrives appropriate location, controls stepper motor 61 by switching group 11 and electric telescopic rod 81 works, electric telescopic rod 81 pushes away
Dynamic annular slab 82 is mobile, and annular slab 82 drives card column 83 mobile, so that card column 83 be made to separate with through-hole 74, stepper motor 61 passes through
Shaft coupling 62 drives screw rod 63 to rotate, and moves partition 71 along guide rod 9 in 63 rotation process of screw rod, thus to the position of partition 71
It is adjusted, extinguishing chemical is moved inside fire extinguisher body 1 by through-hole 74, then controls stepper motor 61 by switching group 11
It stops working, and controls the shortening of electric telescopic rod 81, electric telescopic rod 81 drives the movement of card column 83 by annular slab 82, and makes card
Column 83 and through-hole 74 are clamped, to carry out Quantitative Separation to extinguishing chemical, are then opened fire extinguisher body 1 and are put out a fire, partition 71
The extinguishing chemical of upside is sprayed out, to complete the quantitative sprinkling of extinguishing chemical.
The present invention can the fire extinguisher body 1 to different height store and limit fixation, stability is good, Ke Yiyi
It is dynamic, manpower is saved, quantitative separation and sprinkling can also be carried out to extinguishing chemical, it is possible to reduce the waste of extinguishing chemical, while can be right
Environment is protected, easy to operate, easy to use.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of intelligent extinguisher of adjustable fountain height, including fire extinguisher body (1), it is characterised in that: the fire extinguisher sheet
The lower end of body (1) is equipped with pedestal (2), and the groove activity of fire extinguisher body (1) and pedestal (2) is clamped, the branch of the pedestal (2)
It supports seat (21) upper surface left end and is equipped with handrail (3), and the inside of pedestal (2) is equipped with storage groove, the internal storage of storage groove has storage
Battery pack (10), the side of the handrail (3) are set there are two positioning device (4), and the positioning ring (43) of the positioning device (4) is living
Dynamic to be socketed on the outside of the tank body of fire extinguisher body (1), the tank interior of the fire extinguisher body (1) is equipped with driving device (6), institute
Screw rod (63) side for stating driving device (6) is equipped with separating device (7), the cylindricality nut (73) and spiral shell of the separating device (7)
Bar (63) is threadedly coupled, and partition (71) upper surface of separating device (7) is equipped with sealing device (8), the fire extinguisher body (1)
Tank body side upper end be equipped with switching group (11), the input terminal of the switching group (11) and the output end of battery group (10) are electrically connected
It connects.
2. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the pedestal (2)
Including support base (21), the upper surface of the support base (21) is equipped with groove, and there are two the side left end of support base (21) sets
The side right end of symmetrically arranged castor (22), the support base (21) is equipped with support frame (23).
3. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the positioning device
It (4) include positioning ring (43), the side of the positioning ring (43) sets the fixation there are two symmetrically arranged fixes sleeve (41)
Sleeve (41) is actively socketed on the side of handrail (3), and the screw hole internal whorl of fixes sleeve (41) side is connected with fastening spiral shell
Bolt (42).
4. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the positioning ring
(43) side is equipped with nut (5), and the internal whorl of the nut (5) is connected with fixing bolt (51), and fixing bolt (51)
One end close to fire extinguisher body (1) is equipped with positioning leather packing (52).
5. a kind of intelligent extinguisher of adjustable fountain height according to claim 4, it is characterised in that: the positioning leather packing
(52) there are six, and six positioning leather packing (52) are uniformly distributed in the side of two positioning rings (43).
6. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the driving device
It (6) include stepper motor (61), the stepper motor (61) is located at the interior lower end of tank body, and the output shaft of stepper motor (61)
It is fixedly connected by shaft coupling (62) with the lower end of screw rod (63), and the input terminal of stepper motor (61) and switching group (11) is defeated
Outlet electrical connection.
7. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the screw rod (63)
Side upper end be fixedly connected with the inner ring of bearing (121), the outer ring of the bearing (121) is fixedly connected with mounting rack (12),
And mounting rack (12) is fixedly connected with the medial surface upper end of tank body.
8. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the separating device
It (7) include partition (71), the upper and lower surfaces of the partition (71) are equipped with sealing leather packing (72), and partition (71) is upper
Surface middle part is equipped with cylindricality nut (73), and the partition (71) and the upper surface for sealing leather packing (72) are equipped with the through-hole being correspondingly arranged
(74)。
9. a kind of intelligent extinguisher of adjustable fountain height according to claim 8, it is characterised in that: the partition (71)
Corresponding side is equipped with arc groove with sealing leather packing (72), and arc groove is slidably connected with guide rod (9), the guide rod (9) and tank
The medial surface of body is fixedly connected.
10. a kind of intelligent extinguisher of adjustable fountain height according to claim 1, it is characterised in that: the sealing dress
Setting (8) includes electric telescopic rod (81), and the fixing end of the electric telescopic rod (81) is located at the inside of partition (71), and electronic is stretched
The telescopic end of contracting bar (81) is equipped with annular slab (82), and the annular slab (82) lower surface corresponding with through-hole (74), which is equipped with, uniformly to be divided
The card column (83) of cloth, and the input terminal of electric telescopic rod (81) is electrically connected with the output end of switching group (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365410.0A CN109568845A (en) | 2018-11-16 | 2018-11-16 | A kind of intelligent extinguisher of adjustable fountain height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365410.0A CN109568845A (en) | 2018-11-16 | 2018-11-16 | A kind of intelligent extinguisher of adjustable fountain height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109568845A true CN109568845A (en) | 2019-04-05 |
Family
ID=65922888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365410.0A Pending CN109568845A (en) | 2018-11-16 | 2018-11-16 | A kind of intelligent extinguisher of adjustable fountain height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109568845A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812749A (en) * | 2019-11-13 | 2020-02-21 | 符振锋 | Indoor eminence fire extinguisher |
| CN111068212A (en) * | 2019-12-02 | 2020-04-28 | 杭州辚萧科技有限公司 | High-rise fire extinguisher |
| CN111803834A (en) * | 2020-07-14 | 2020-10-23 | 绍兴嘉盾消防器材有限公司 | Fire extinguisher gas cylinder with quickly-mounted and dismounted protective cover neck ring |
| CN115430081A (en) * | 2022-08-31 | 2022-12-06 | 明光猛将消防设备有限公司 | Compound portable fire extinguisher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812749A (en) * | 2019-11-13 | 2020-02-21 | 符振锋 | Indoor eminence fire extinguisher |
| CN111068212A (en) * | 2019-12-02 | 2020-04-28 | 杭州辚萧科技有限公司 | High-rise fire extinguisher |
| CN111803834A (en) * | 2020-07-14 | 2020-10-23 | 绍兴嘉盾消防器材有限公司 | Fire extinguisher gas cylinder with quickly-mounted and dismounted protective cover neck ring |
| CN115430081A (en) * | 2022-08-31 | 2022-12-06 | 明光猛将消防设备有限公司 | Compound portable fire extinguisher |
| CN115430081B (en) * | 2022-08-31 | 2023-10-10 | 王建立 | Composite portable fire extinguisher |
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