CN209567060U - A kind of Bottle & Can of jettisoninging of air heave type lifebuoy - Google Patents
A kind of Bottle & Can of jettisoninging of air heave type lifebuoy Download PDFInfo
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- CN209567060U CN209567060U CN201920083768.8U CN201920083768U CN209567060U CN 209567060 U CN209567060 U CN 209567060U CN 201920083768 U CN201920083768 U CN 201920083768U CN 209567060 U CN209567060 U CN 209567060U
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Abstract
A kind of Bottle & Can of jettisoninging of air heave type lifebuoy, including a left side, right tank body shell and it is fixed on a left side, the clamping screw of right tank body shell upper end, it is left, there is lifebuoy chamber between right tank body shell, it is left, there is water inlet in right tank body shell lower end, feature: left, a left side is set on the upper surface of right tank body shell, right engaging lug, there is hanging ring in clamping screw upper end, it is left, it is connected between right engaging lug and hanging ring by fake, it is left, a left side has been respectively constituted on the lateral surface of right tank body shell, right socket, alarm is set on right socket, left tank body shell lower end is provided with a pair of of caulking groove on the one side towards right tank body shell, right tank body shell is convexly equipped with a pair of embedding foot at the position for corresponding to a pair of of caulking groove, it is left, the lower end of right tank body shell offers a left side respectively around water inlet, right rope groove.The bonding strength of shell and the suitability of shell and ballooning device are improved, energy automatic or manual opens lifebuoy, it is ensured that using safe；The shell and component that will not make tank body are scattered in waters；It improves the mark degree of Bottle & Can and rescues efficiency.
Description
Technical field
The utility model belongs to buoyant apparatus technical field, and in particular to a kind of Bottle & Can of jettisoninging of air heave type lifebuoy.
Background technique
Air heave type lifebuoy is gradually popularized in people's lives, and the people for especially living in coastal area use
Very universal, existing air heave type lifebuoy is usually belt type structure, but there is the inconvenient drawback that carries and jettisoning, and is
, there is a kind of new buoyant apparatus again currently on the market in this, is designed into Bottle & Can shape and wraps up inflatable using two panels shell
The structure mutually buckled again after formula lifebuoy, the buoyant apparatus can not only be thrown by the self weight of shell and inflatable component
It throws, additionally it is possible to the carrying for facilitating user by reducing and storing lifebuoy is intake after buoyant apparatus is overboard by shell, and
Inflatable component starts to be inflated lifebuoy after meeting water, makes lifebuoy expansion to achieve the purpose that floating and rescue.But
The buoyant apparatus of this structure, exposes following problems in actual use: firstly, since by self structure and intensity
Limitation, shell may be only available for meet water automatic inflatable lifebuoy, and can not be suitable for manual air heave type lifebuoy, purposes
It is restricted, will cause personal safety accident when especially inflatable component can not be opened because of failure after shell water inlet；Secondly, outer
Shell is generally adopted made of plastic, and the shell of two panels buckle can be collapsed when lifebuoy is expanded and inflated to be held bullet and fly in waters, because of plastics
Product is difficult to natural decomposition, will cause the pollution to environment in this way；Third, this buoyant apparatus are difficult to be known in night use
Not, even if especially lifebuoy is jettisoninged to staff for help in dark environment, it can not also be found and be missed in time
Best rescue opportunity.
In prior art, one kind " automatic gas as disclosed in Chinese utility model patent Authorization Notice No. CN2703717Y
Expanding water lifebelt " comprising closed up by two and half valves to detain the shell that valve snapping is in grenade shape, shell tail portion is equipped with
Locking positioning element is equipped with the air bag hot pressing connects intake valve through folding in shell, make the self-filler of air bag inflatable with
Valve connection, the storage cylinder for carbon dioxide compression gas of substituting the bad for the good in advance are tightened on self-filler, which is single gas
Capsule forms horseshoe type safety loop after inflatable.Although it uses two and half valves to close up to detain the shell packet that valve snapping is in grenade shape
The structure for wrapping up in air heave type lifebuoy effectively improves the stability of lifebuoy and jettisonings apart from and reduce the body of lifebuoy
Long-pending and weight, but can not solve it is the problems of above-mentioned, to be unable to satisfy consumer demand.
In view of the foregoing, it is necessary to design a kind of air heave type lifesaving that can be suitable for opening lifebuoy again automatically manually
The Bottle & Can of jettisoninging of circle, shell can be recycled without can cause environmental pollution, and can be quickly identified at night.For this purpose,
The applicant has made beneficial design, and technical solution described below generates in this background.
Summary of the invention
The purpose of this utility model, which is to provide for one kind, to be rescued again suitable for opening the air heave type of lifebuoy manually automatically
The Bottle & Can of jettisoninging of raw circle helps to optimize bottle structure and be able to recycling can body case to prevent polluted water resources, is conducive to mention
High cage connection intensity and being able to is adapted to manual ballooning device to improve stability and the extension scope of application, additionally it is possible to effectively mention
Resolution of the high Bottle & Can in waters improves rescue efficiency.
What the purpose of this utility model was performed by, a kind of Bottle & Can of jettisoninging of air heave type lifebuoy, including a left tank
Body shell, a right tank body shell and one are fixed on the clamping screw at left tank body shell and right tank body shell upper end closed position, the left side
It is snapped connection between tank body shell and right tank body shell and is formed with a lifebuoy chamber, the left tank body shell and right tank body shell in centre
Lower end closes up and is formed with a water inlet, it is characterised in that: sets respectively on the upper surface of the left tank body shell and right tank body shell
It is equipped with a left engaging lug and a right engaging lug, the clamping screw upper end, which is constituted, a hanging ring, the left engaging lug, right company
It is connected between lug and hanging ring by fake, it is left slotting that one has been respectively constituted on the lateral surface of the left tank body shell and right tank body shell
Seat and a right socket, are provided with an alarm on the right socket, and the left tank body shell lower end is towards right tank body shell
A pair of of caulking groove is provided on one side, the right tank body shell is convexly equipped with a pair of embedding foot at the position for corresponding to a pair of of caulking groove,
The lower end of the left tank body shell and right tank body shell offers Zola's rope groove and right rope groove respectively around water inlet.
In a specific embodiment of the utility model, the left tank body shell and right tank body shell upper end surface difference
Protrusion has a left boss and a right boss, and the left boss and right boss are oppositely arranged and are respectively formed with and compress between
The left-hand thread and right-hand thread that screw rod matches are screwed with a nut gland on the clamping screw, which is provide with and blocks
Gu on the outer peripheral surface of left boss and right boss.
In another specific embodiment of the utility model, an inner side edge of the left tank body shell is along short transverse
Interval is convexly equipped at least two left hooks, and another inner side edge of the left tank body shell is convexly equipped at least two along short transverse interval
A left limit inserted sheet, the left tank body shell are recessed with a left card slot at the position close to left limit inserted sheet respectively；Described
One inner side edge of right tank body shell is convexly equipped with a right hook snapped connection with left card slot respectively at the position for corresponding to left card slot,
The right hook sticks on corresponding left limit inserted sheet on one side respectively, and right another inner side edge of tank body shell is corresponding to left hook
Position at be recessed with a right card slot snapped connection with left hook respectively, the right tank body shell is corresponding to left hook on one side
Position at be convexly equipped with a right limit inserted sheet for sticking on left hook one side respectively.
In another specific embodiment of the utility model, the clamping screw protrudes into left tank body shell and right tank body
The end of one end in shell has been rotated with a gas cylinder pressure cap, which, which is constituted, one and the solid pressure cap spiral shell of clamping screw spiral shell
Base offers a fixed cord hole on the gas cylinder pressure cap one side, is equipped with one in the fixation cord hole and connects with lifebuoy
The lifebuoy connect cares for rope, and the lifebuoy cares for rope and the end of gas cylinder pressure cap one end is provided with a rope end fixed pearl.
In another specific embodiment of the utility model, it is inserted with a portable hook on the left socket,
The side of the portable hook, which is constituted, has one to have an alligator with the hook pin of left socket inserting, other side composition.
In the utility model there are one in specific embodiment, a flash lamp and one are installed in the alarm
Buzzer, the flash lamp and buzzer start or meet water by alarm by being located at drawstring on the outside of alarm and start,
The alarm is provided with an alarm pin, the alarm and hanging ring in the side towards right socket and is connected by caring for rope
It connects.
In a specific embodiment in turn of the utility model, satellite positioning dress is also equipped in the alarm
It sets.
More and in a specific embodiment, a retaining ring is equipped on the hanging ring in the utility model, the retaining ring
Upper composition has a bayonet.
In the utility model again and then in a specific embodiment, the left tank body shell and right tank body shell close up dress
It is in up-small and down-big grenade shape after matching.
The utility model again more and in a specific embodiment, the left tank body shell and right tank body shell are adopted respectively
With polyvinyl chloride addition, fluorescent powder is mold formed or polycarbonate addition fluorescent powder is mold formed.
The utility model after adopting the above structure, has the advantages that firstly, since using left tank body shell and right tank
The structure of caulking groove and the mutual scarf of embedding foot is arranged on the opposite face of lower end and opens up the knot of rope groove in water inlet side for body shell
Structure, thus the bonding strength of shell and the suitability of shell and ballooning device are improved, in the drawing for pullling ballooning device manually
It will not make left tank body shell and right tank body shell are unexpected due to dislocation to crack when rope, the Bottle & Can that makes originally to jettisoning can automatically open lifebuoy,
It is suitable for opening lifebuoy manually again, it is easy to operate, it is ensured that safety in utilization；It will secondly as using fake and caring for rope
Shell, screw rod and alarm and lifebuoy are connected with each other, thus will not make the outer of tank body when lifebuoy expands bursting shell
Shell and component are scattered in waters, can be recovered with rescue personnel, it is therefore prevented that pollution caused by water environment；The
Three, due to using fluorescent material production shell and using with light flash, the alarm to pipe with satellite positioning functions
Device is mounted on Bottle & Can, thus even if in the dark using the position of lifebuoy can be discerned by bright harmony cent, moreover it is possible to
The mark degree for being effectively improved Bottle & Can by the exact position of rescue personnel is enough directly determined by satellite positioning and rescues effect
Rate.
Detailed description of the invention
Fig. 1 is the schematic perspective view of an embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram of one application examples of the utility model.
In figure: 1. left tank body shells, 11. left engaging lugs, 12. left sockets, 13. caulking grooves, 14. Zola's rope grooves, 15. left boss,
151. left-hand threads, 16. left hooks, 17. left limit inserted sheets, 18. left card slots, 19. portable hooks, 191. hook pins, 192.
Alligator；2. right tank body shell, 21. right engaging lugs, 22. right sockets, 23. embedding feet, 24. right rope grooves, 25. right boss, 251. right sides
Screw thread, 26. right hooks, 27. right limit inserted sheets, 28. right card slots；3. clamping screw, 31. hanging rings, 32. nut glands, 33. gas cylinders
Pressure cap, 331. pressure cap nut seats, 332. fixed cord hole, 333. lifebuoys care for rope, 3331. rope end fixed pearls；4. lifebuoy chamber；
5. water inlet；6. fake；7. rope is cared in alarm, 71. flash lamps, 72. buzzers, 73. drawstrings, 74. alarm pins, 75.；
8. retaining ring, 81. bayonets；9. lifebuoy, 91. ballooning devices, 92. liquid gas cylinders, 93. ballooning device drawstrings.
Specific embodiment
It elaborates by way of examples below, but is not to the utility model to the description of embodiment
Limitation, it is any according to the utility model design it is made be only that formal but not substantive equivalent transformation should all regard
For category of the technical solutions of the present invention.
It please refers to Fig. 1 and combines Fig. 2, the utility model relates to a kind of Bottle & Cans of jettisoninging of air heave type lifebuoy, including a left side
Tank body shell 1, a right tank body shell 2 and one are fixed on left tank body shell 1 and the clamping screw 3 at right 2 upper end closed position of tank body shell, institute
It is snapped connection between the left tank body shell 1 and right tank body shell 2 stated and is formed with a lifebuoy chamber 4, the left tank body shell 1 in centre
Close up with right 2 lower end of tank body shell and is formed with a water inlet 5, feature: the upper surface of the left tank body shell 1 and right tank body shell 2
On be respectively arranged with a left engaging lug 11 and a right engaging lug 21,3 upper end of clamping screw, which is constituted, a hanging ring 31, described
Left engaging lug 11, connected by fake 6 between right engaging lug 21 and hanging ring 31, the left tank body shell 1 and right tank body shell 2
A left socket 12 and a right socket 22 have been respectively constituted on lateral surface, are provided with an alarm 7 on the right socket 22, it is described
Left 1 lower end of tank body shell a pair of of caulking groove 13 is provided on the one side towards right tank body shell 2, the right tank body shell 2 is right
A pair of embedding foot 23 should be convexly equipped at the position of a pair of of caulking groove 13, the lower end of the left tank body shell 1 and right tank body shell 2 is intaking
Zola's rope groove 14 and right rope groove 24 are offered respectively around mouth 5.A retaining ring 8 is equipped on the hanging ring 31, the retaining ring 8
Upper composition has a bayonet 81.
Further, protrusion has a left boss 15 and one right respectively for the left tank body shell 1 and right 2 upper end surface of tank body shell
Boss 25, the left boss 15 and right boss 25 are oppositely arranged and are respectively formed with the left side to match with clamping screw 3 between
Screw thread 151 and right-hand thread 251 are screwed with a nut gland 32 on the clamping screw 3, which is provide with and fixes
On the outer peripheral surface of left boss 15 and right boss 25.
Further, an inner side edge of the left tank body shell 1 is convexly equipped at least two left hooks along short transverse interval
16, another inner side edge of the left tank body shell 1 is convexly equipped at least two left limit inserted sheets 17 along short transverse interval, described
Left tank body shell 1 is recessed with a left card slot 18 at the position close to left limit inserted sheet 17 respectively；In the one of the right tank body shell 2
Side is convexly equipped with a right hook 26 snapped connection with left card slot 18, the right hook respectively at the position for corresponding to left card slot 18
26 stick on corresponding left limit inserted sheet 17 on one side respectively, and another inner side edge of right tank body shell 2 is corresponding to left hook 16
Position at be recessed with a right card slot 28 snapped connection with left hook 16 respectively, the right tank body shell 2 is corresponding to left card
It hooks and is convexly equipped with a right limit inserted sheet 27 for sticking on left 16 one side of hook respectively at the position of 16 one sides.
Further, the clamping screw 3 protrudes into left tank body shell 1 and the end of one end in right tank body shell 2 has been rotated with
One gas cylinder pressure cap 33, which, which is constituted, one and the solid pressure cap nut seat 331 of 3 spiral shell of clamping screw, described
A fixed cord hole 332 is offered on 33 one side of gas cylinder pressure cap, be equipped in the fixation cord hole 332 one connect with lifebuoy rescue
Raw circle cares for rope 333, and the lifebuoy cares for rope 333 and the end of 33 one end of gas cylinder pressure cap is provided with a rope end fixed pearl
3331。
Further, a portable hook 19, the side structure of the portable hook 19 are inserted on the left socket 12
Cheng Youyi and the hook pin 191 of left 12 inserting of socket, other side composition have an alligator 192.
Further, a flash lamp 71 and a buzzer 72,71 He of flash lamp are installed in the alarm 7
Buzzer 72 starts or passes through the chance water starting of alarm 7 by being located at the drawstring 73 in 7 outside of alarm, and the alarm 7 exists
The side of right socket 22 is provided with an alarm pin 74, which connect with hanging ring 31 by caring for rope 75.It is described
Alarm 7 in be also equipped with satellite positioning device.
Further, the left tank body shell 1 and right tank body shell 2 close up after assembly in up-small and down-big grenade shape.
Further, the material of the left tank body shell 1 and right tank body shell 2 is unrestricted, in the present embodiment preferably
Using polyvinyl chloride addition, fluorescent powder is mold formed or polycarbonate addition fluorescent powder is mold formed.
Please continue to refer to Fig. 1 and Fig. 2 is combined, the application examples of the utility model is described: being provided with ballooning device on lifebuoy 9
91, the lifebuoy 9 of unaerated is wrapped in the outside of ballooning device 91, and the lifebuoy 9 after package ballooning device 91 is packed into
In lifebuoy chamber 4 between the left tank body shell 1 and right tank body shell 2, while the lifebuoy is cared for into 333 one end of rope and is fixed
It is connected on lifebuoy 9, the left hook 16 and left card slot 18 are connect with right card slot 28 and the mutual scarf of right hook 26 respectively
And make the bottle structure of left tank body shell 1 with right tank body shell 2 composition grenade shape, filling titanium dioxide is provided with above ballooning device 91
The upper end of the liquid gas cylinder 92 of carbon, the liquid gas cylinder 92 is compressed by the gas cylinder pressure cap 33 on the clamping screw 3 and makes inflatable
91 lower end of device is resisted against around water inlet 5, and the position of 91 face water inlet 5 of ballooning device can open upwards after meeting water
Liquid gas cylinder 92 and lifebuoy 9 is inflated, while the lower section of ballooning device 91 is also connected with one can manually boot inflatable
The ballooning device drawstring 93 of device 91, the ballooning device drawstring 93 pass through Zola's rope groove 14 or right rope groove 24 from lifebuoy chamber 4
Interior to be pierced by outside tank body shell, being rotated down the nut gland 32 after the installation of completion lifebuoy 9 covers nut gland 32
Be located on left boss 15 and right boss 25, so as to complete the assembly of Bottle & Can and lifebuoy 9, user can by retaining ring 8 or
Bottle & Can is hung on waist location by alligator 192, Bottle & Can be also directly placed at knapsack side, can thrown when encountering dangerous situation
Throw Bottle & Can to be rescued, also can directly save the life of carrier, ballooning device 91 and alarm 7 can meet water directly trigger with
Starting, ballooning device 91 open liquid gas cylinder 92 and are inflated to lifebuoy 9, and flash lamp 71 constantly flashes on the alarm 7,
The sending of buzzer 72 pipes, and the satellite positioning device starting in alarm 7 issues positioning signal, to play guide
The orientation of lifebuoy 9 and pinpoint effect, when the function of ballooning device 91 and the chance water starting of alarm 7 breaks down,
Also ballooning device 91 and alarm 7 directly can be respectively started by pulling ballooning device drawstring 93 and drawstring 73, lifebuoy 9 fills
Left tank body shell 1 is opened after gas expansion and right tank body shell 2 is swum on the water surface, due to the left tank body shell 1, right 2 and of tank body shell
Clamping screw 3 is connected by fake 6, and the clamping screw 3 cares for rope 333 and alarm by caring for rope 75 and lifebuoy respectively again
Device 7 and lifebuoy 9 connect, thus left tank body shell 1, right tank body shell 2 and the clamping screw 3 and alarm 7 that are opened still can
It is enough to be connect with lifebuoy 9 up to being recycled together after being rescued.
Claims (9)
1. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy, including a left tank body shell (1), a right tank body shell (2) and one are fixed on a left side
Clamping screw (3) at tank body shell (1) and right tank body shell (2) upper end closed position, the left tank body shell (1) and right tank body shell
(2) it is snapped connection between and is formed with a lifebuoy chamber (4), the left tank body shell (1) and right tank body shell (2) lower end in centre
Close up and be formed with a water inlet (5), it is characterised in that: divides on the upper surface of the left tank body shell (1) and right tank body shell (2)
It is not provided with a left engaging lug (11) and a right engaging lug (21), the clamping screw (3) upper end, which is constituted, a hanging ring (31),
It is connected between the left engaging lug (11), right engaging lug (21) and hanging ring (31) by fake (6), the left tank body shell
(1) and on the lateral surface of right tank body shell (2) a left socket (12) and a right socket (22), the right socket have been respectively constituted
(22) it is provided on an alarm (7), left tank body shell (1) lower end is arranged on the one side towards right tank body shell (2)
Have a pair of of caulking groove (13), the right tank body shell (2) is convexly equipped with a pair of embedding foot at the position for corresponding to a pair of of caulking groove (13)
(23), the lower end of the left tank body shell (1) and right tank body shell (2) offers Zola's rope groove around water inlet (5) respectively
(14) and right rope groove (24).
2. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the left tank body shell
(1) and protrusion has a left boss (15) and a right boss (25), the left boss (15) respectively for right tank body shell (2) upper end surface
And right boss (25) is oppositely arranged and is respectively formed with the left-hand thread (151) and right-hand thread that match with clamping screw (3) between
(251), a nut gland (32) is screwed on the clamping screw (3), which is provide with and fixes left convex
On the outer peripheral surface of platform (15) and right boss (25).
3. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the left tank body shell
(1) a inner side edge is convexly equipped at least two left hooks (16) along short transverse interval, the left tank body shell (1) it is another in
Side is convexly equipped at least two left limit inserted sheets (17) along short transverse interval, and the left tank body shell (1) is close to left limit
A left card slot (18) is recessed at the position of inserted sheet (17) respectively；One inner side edge of the right tank body shell (2) is corresponding to a left side
A right hook (26) snapped connection with left card slot (18) is convexly equipped at the position of card slot (18) respectively, the right hook (26) is respectively
Stick on corresponding left limit inserted sheet (17) on one side, another inner side edge of right tank body shell (2) is corresponding to left hook (16)
Position at be recessed with a right card slot (28) snapped connection with left hook (16) respectively, the right tank body shell (2) is in correspondence
A right limit inserted sheet (27) for sticking on left hook (16) one side respectively is convexly equipped at the position of left hook (16) one side.
4. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the clamping screw
(3) end for protruding into left tank body shell (1) and one end in right tank body shell (2) has been rotated with a gas cylinder pressure cap (33), the gas cylinder pressure cap
(33) upper end, which is constituted, one and the solid pressure cap nut seat (331) of clamping screw (3) spiral shell, in described gas cylinder pressure cap (33) one side
On offer one fixed cord hole (332), be equipped with the lifebuoy that one connect with lifebuoy in the fixation cord hole (332) and care for rope
(333), the lifebuoy cares for rope (333) and the end of gas cylinder pressure cap (33) one end is provided with a rope end fixed pearl
(3331)。
5. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the left socket
(12) portable hook (19) are inserted on, the side of the portable hook (19), which is constituted, one and left socket (12) inserting
Hook pin (191), other side composition have an alligator (192).
6. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the alarm (7)
One flash lamp (71) and a buzzer (72) are inside installed, the flash lamp (71) and buzzer (72) are by being located at alarm
(7) drawstring (73) starting on the outside of meets water starting by alarm (7), and the alarm (7) is towards right socket (22)
Side be provided with an alarm pin (74), the alarm (7) and hanging ring (31) are connect by caring for rope (75).
7. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 6, it is characterised in that the alarm (7)
Inside it is also equipped with satellite positioning device.
8. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the hanging ring (31)
On be equipped with a retaining ring (8), on the retaining ring (8) constitute have a bayonet (81).
9. a kind of Bottle & Can of jettisoninging of air heave type lifebuoy according to claim 1, it is characterised in that the left tank body shell
(1) close up after assembly with right tank body shell (2) in up-small and down-big grenade shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920083768.8U CN209567060U (en) | 2019-01-18 | 2019-01-18 | A kind of Bottle & Can of jettisoninging of air heave type lifebuoy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920083768.8U CN209567060U (en) | 2019-01-18 | 2019-01-18 | A kind of Bottle & Can of jettisoninging of air heave type lifebuoy |
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| Publication Number | Publication Date |
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| CN209567060U true CN209567060U (en) | 2019-11-01 |
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ID=68332971
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746762A (en) * | 2020-07-13 | 2020-10-09 | 高田体育(苏州)科技有限公司 | Water emergency life saving device |
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2019
- 2019-01-18 CN CN201920083768.8U patent/CN209567060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746762A (en) * | 2020-07-13 | 2020-10-09 | 高田体育(苏州)科技有限公司 | Water emergency life saving device |
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