CN113830264A - Water logging starts formula automatic inflation warning device - Google Patents
Water logging starts formula automatic inflation warning device Download PDFInfo
- Publication number
- CN113830264A CN113830264A CN202010580546.4A CN202010580546A CN113830264A CN 113830264 A CN113830264 A CN 113830264A CN 202010580546 A CN202010580546 A CN 202010580546A CN 113830264 A CN113830264 A CN 113830264A
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- China
- Prior art keywords
- transparent
- assembly
- warning device
- internal thread
- water immersion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/18—Inflatable equipment characterised by the gas-generating or inflation device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/20—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like characterised by signalling means, e.g. lights
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
Abstract
The invention relates to the technical field of marine life-saving equipment, in particular to a water immersion starting type automatic inflation warning device which comprises a main mounting shell, a small steel cylinder with compressed air inside, an LED warning lamp, a small button battery for supplying power to the LED warning lamp, a bee whistle and a water-soluble foam block. The invention relates to a water immersion starting type automatic inflation warning device which comprises a main mounting shell internally provided with an elastic inner thimble, a small steel cylinder internally provided with compressed air and a detachable transparent buoyancy box, wherein the inner thimble is automatically controlled to puncture a sealing film at the upper end of the small steel cylinder after the device falls into a water body, so that the interior of a life jacket is automatically inflated, the device can be automatically controlled by water immersion, an overhead extrusion spring, a top extrusion sleeve and a top extrusion block are arranged in an inner thread transparent assembly cover, the transparent buoyancy box is mounted, fixed and separated through a mounting clamping block on the top extrusion block, and the separation is controlled while automatic inflation is carried out, so that the linkage of the device is greatly enhanced.
Description
Technical Field
The invention relates to the technical field of marine life-saving equipment, in particular to a water immersion starting type automatic inflation warning device.
Background
Lifesaving equipment is one of important safety facilities of ships, and generally refers to hull equipment for rescuing people falling into water or ship personnel in danger, such as life jackets and the like. When a marine accident happens to the ship, whether the lifesaving equipment is in a good technical state or not directly relates to the life safety of the crew. In order to facilitate wearing and storage of life-saving equipment, more and more inflatable life jackets replace traditional foam life jackets, but the inflatable life jackets need to be pre-inflated in advance, and if the inflatable life jackets cannot be inflated in time under special conditions, the inflatable life jackets cannot provide enough buoyancy, so that the safety of the inflatable life jackets is limited, and therefore, the water immersion type automatic inflation device appears on the market, but the water immersion type automatic inflation device on the market can only provide a water immersion type inflation function singly, so that the function is single, and the linkage is not enough.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, an improved water immersion starting type automatic inflation warning device is provided, and the problems that the existing water immersion type automatic inflation device on the market only can provide a water immersion inflation function singly, so that the function is single, and linkage is not caused are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water immersion starting type automatic inflation warning device comprises a main mounting shell, a small steel cylinder with built-in compressed air, an LED warning lamp, a small button cell for supplying power to the LED warning lamp, a buzzer whistle and a water-soluble foam block, wherein an external thread top assembly pipe protruding upwards is arranged at the upper end of the main mounting shell, an internal thread bottom assembly hole for mounting the small steel cylinder is formed in the lower end of the main mounting shell, a lateral assembly hole for mounting an inflatable life jacket air inlet pipe is formed in the main mounting shell, an internal thread transparent assembly cover is in threaded connection with the upper end of the external thread top assembly pipe, the small steel cylinder is screwed into the internal thread bottom assembly hole through an external thread mounting pipe with an integrated structure at the upper end and is fixedly connected with the main mounting shell, an internal thimble is elastically connected in the main mounting shell, and a lateral accommodating groove with a built-in elastic overturning control rod is formed in the outer lateral surface of the main mounting shell, the upper end joint of the internal thread transparent assembly cover is fixed with a detachable transparent buoyancy box, and the LED warning lamp and the small button cell are fixedly installed inside the transparent buoyancy box.
Furthermore, in order to match with automatic control, an internal limiting ring is inserted in the external thread top assembly pipe, the inner side edge position of the inner limiting ring and the inner limiting bracket are sleeved with the water-soluble foam block to control the inner limiting bracket to be fixed and limited by sleeving the water-soluble foam block on the outer side of the inner limiting bracket, an overhead extrusion spring is fixedly connected on the inner top surface of the internal thread transparent assembly cover, a top extrusion sleeve is fixedly sleeved on the outer side of the lower end of the overhead extrusion spring, the lower end of the top extrusion sleeve is axially and fixedly connected with a top extrusion block for controlling the inner thimble, the lower end of the top extrusion block is in contact with the side face of the internal limiting support, and a top telescopic hole communicated with the inside of the external thread top assembly pipe and a bottom telescopic hole communicated with the inside of the internal thread bottom assembly hole are respectively formed in the internal top face and the internal bottom face of the main mounting shell.
Furthermore, in order to facilitate elastic extrusion control and guiding, the top of the outer side surface of the inner thimble is fixedly connected with a press block, an inner extrusion spring is sleeved on the outer side of the press block at the top, the lower end of the inner extrusion spring is fixedly connected with the inner bottom surface of the main mounting shell, a lateral assembly rod is arranged on the outer side surface of the press block at the top, an elastic overturning control rod is movably assembled with the top press block on the lateral assembly rod through an assembly support sleeve on the side surface, an arc-shaped guide groove matched with the lateral assembly rod is formed in the inner side surface of the main mounting shell, and the elastic overturning control rod penetrates through the lateral accommodating groove inner wall and the lateral accommodating groove inner movable connection through a transverse rotating shaft.
Further, for convenience in installation and separation, the lower end of the transparent buoyancy box is provided with an internal thread bottom assembling and disassembling port, an external thread sealing plug is connected to the internal thread bottom assembling and disassembling port in a threaded manner, an installation clamping hole is formed in the lower end of the external thread sealing plug, an installation clamping block of an integrated structure is arranged at the upper end of the top extrusion block, and the transparent buoyancy box is fixedly connected with the upper end of the internal thread transparent assembly cover through the installation clamping hole.
Furthermore, for matching connection control, an inner threading hole is formed in the outer side face of the elastic overturning control rod, an outer pull rope used for controlling the elastic overturning control rod to overturn is inserted in the inner threading hole, and the upper end of the outer pull rope is fixedly connected with the transparent buoyancy box through the inner part of the inserting and detaching port at the bottom of the inner thread.
Furthermore, in order to improve the water inflow, a top water inlet for water inflow is formed in the outer side face of the upper end of the transparent buoyancy box, and an L-shaped structure lateral water inlet groove is formed in the outer side face of the external thread top assembly pipe.
Furthermore, in order to be matched with water immersion and electrifying, the outer side surface of the transparent buoyancy box is fixedly connected with a metal conducting strip which is respectively and electrically connected with the power supply input end of the LED warning lamp and the power supply output end of the small button cell.
Furthermore, in order to facilitate lateral cutting, the lower end of the outer side surface of the inner thimble is provided with a lateral cutting blade.
The invention has the beneficial effects that:
(1) the invention relates to a water immersion starting type automatic inflation warning device which comprises a main mounting shell internally provided with an elastic inner thimble, a small steel cylinder internally provided with compressed air and a detachable transparent buoyancy box, wherein the inner thimble is automatically controlled to puncture a sealing film at the upper end of the small steel cylinder after the device falls into a water body, so that the interior of a life jacket is automatically inflated, the device can be automatically controlled in water immersion, an overhead extrusion spring, a top extrusion sleeve and a top extrusion block are arranged in an inner thread transparent assembly cover, the transparent buoyancy box is mounted, fixed and separated through a mounting clamping block on the top extrusion block, and the separation is controlled while automatic inflation is carried out, so that the linkage of the device is greatly enhanced;
(2) an arc-shaped guide groove is formed in the inner side face of the main mounting shell, the inner thimble stretches and deflects at the same time, the size of a groove is enlarged by matching with a lateral cutting blade on the side face of the inner thimble, and the air output is greatly increased;
(3) install LED warning light and the small-size button cell who is used for the power supply inside transparent buoyancy box, outside stay cord not only can manual control aerify, can also carry on spacingly to transparent buoyancy box to promote aerating device's functionality greatly.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a sectional view of the present invention.
FIG. 3 is a cross-sectional view of the interior of the transparent buoyancy cell of the present invention.
In the drawing, 1, a main mounting shell, 2, a small steel cylinder, 3, an LED warning lamp, 4, a small button battery, 5, a buzzer whistle, 6, a water-soluble foam block, 7, an external thread top assembly pipe, 8, an internal thread bottom assembly hole, 9, a lateral assembly hole, 10, an internal thread transparent assembly cover, 11, an internal thimble, 12, an elastic overturning control rod, 13, a lateral accommodating groove, 14, a transparent buoyancy box, 15, an internal limiting ring, 16, an internal limiting bracket, 17, an overhead extrusion spring, 18, a top extrusion sleeve, 19, a top extrusion block, 20, a top expansion hole, 21, a bottom expansion hole, 22, a top pressing block, 23, an internal extrusion spring, 24, a lateral assembly rod, 25, an arc-shaped guide groove, 26, an internal thread bottom assembly hole, 27, an external thread sealing plug, 28, a mounting clamping hole, 29, a mounting clamping block, 30, an internal threading hole, 31, an external pull rope, 32. a top water inlet, 33, a lateral water inlet groove, 34, a metal conducting strip and 35, a lateral cutting blade.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The water immersion starting type automatic inflation warning device shown in figures 1, 2 and 3 comprises a main mounting shell 1, a small steel cylinder 2 with built-in compressed air, an LED warning lamp 3, a small button battery 4 for supplying power to the LED warning lamp 3, a buzzer whistle 5 and a water-soluble foam block 6, wherein the upper end of the main mounting shell 1 is provided with an upward-protruding external thread top assembly pipe 7, the lower end of the main mounting shell 1 is provided with an internal thread bottom assembly hole 8 for mounting the small steel cylinder 2, the main mounting shell 1 is internally provided with a lateral assembly hole 9 for mounting an inflatable life jacket air inlet pipe, the upper end of the external thread top assembly pipe 7 is in threaded connection with an internal thread transparent assembly cover 10, the small steel cylinder 2 is screwed into the internal thread bottom assembly hole 8 through an integrated structure at the upper end and is fixedly connected with the main mounting shell 1, the main mounting shell 1 is internally and elastically connected with an internal thimble 11, the lateral side of the main mounting shell 1 is provided with a lateral containing groove 13 internally provided with an elastic overturning control rod 12, the upper end of the internal thread transparent assembly cover 10 is clamped and fixed with a detachable transparent buoyancy box 14, and the LED warning lamp 3 and the small button cell 4 are fixedly mounted inside the transparent buoyancy box 14.
Example (b): the gas outlet of the bee whistle 5 is fixed at the gas inlet end of the lateral assembly hole 9, automatically control the bee whistle 5 to send out the sound through exhaust, the bee whistle 5 is directly purchased and obtained for the market, also can be produced at the direct integrative injection moulding of the 1 medial surface of the main mounting casing, LED warning light 3 and small button cell 4 are overlapped inside the transparent buoyancy box 14, utilize the metal conducting strip 34 of the transparent buoyancy box 14 both sides to meet the water conductive power supply, the metal conducting strip 34 mounted position on the transparent buoyancy box 14 sets up according to convenient circular telegram, do not confine the position on the attached drawing to. A gap needs to be left between the two metal conducting strips 34 on the transparent buoyancy cell 14.
Furthermore, in order to match with automatic control, an internal limiting ring 15 is inserted into the external thread top assembling pipe 7, the edge position of the inner side of the internal limiting ring 15 and an internal limiting support 16, the water-soluble foam block 6 is sleeved outside the internal limiting support 16 to control the internal limiting support 16 to be fixed and limited, an overhead extrusion spring 17 is fixedly connected to the inner top surface of the internal thread transparent assembling cover 10, a top extrusion sleeve 18 is sleeved and fixed on the outer side of the lower end of the overhead extrusion spring 17, a top extrusion block 19 for controlling the internal thimble 11 is axially and fixedly connected to the lower end of the top extrusion sleeve 18, the lower end of the top extrusion block 19 is contacted with the side surface of the internal limiting support 16, the inner top surface and the inner bottom surface of the main mounting shell 1 are respectively provided with a top telescopic hole 20 communicated with the inside of the external thread top mounting pipe 7 and a bottom telescopic hole 21 communicated with the inside of the internal thread bottom mounting hole 8.
Example (b): the thread sister is threaded on the externally threaded top fitting tube 7 through the internally threaded transparent fitting cap 10, causing the top pressing spring 17 to compressively deform, inserting the top pressing block 19 onto the internal fiber support 16 of the internal spacing ring 15.
Further, for convenient elastic extrusion control and direction, inside 11 lateral surfaces of thimble fixedly connected with top is pressed the briquetting 22, top is pressed briquetting 22 outside cover and is had inside extrusion spring 23, inside extrusion spring 23 lower extreme and the interior bottom fixed connection of main installation casing 1, top is pressed 19 lateral surfaces of briquetting and is had side direction assembly pole 24, elasticity upset control pole 12 is through the assembly support cover on the side with top press briquetting 19 movable assembly on side direction assembly pole 24, set up on the main installation casing 1 medial surface with side direction assembly pole 24 matched with arc guide way 25, elasticity upset control pole 12 runs through the inside swing joint of side direction storage groove 13 inner wall and side direction storage groove 13 through horizontal pivot.
Example (b): when the inner extrusion spring 23 controls the inner thimble 11 to extend downwards to the lowest part, the right displacement can be generated, the action is to firstly puncture the sealing film at the upper end of the small steel cylinder 2 through the bottom end of the inner thimble 11, and then the transverse movement is matched with the lateral cutting blade 35 to form a notch, so that the air outlet is enlarged.
Further, in order to facilitate installation and separation, an internal thread bottom assembling and disassembling port 26 is formed in the lower end of the transparent buoyancy box 14, an external thread sealing plug 27 is connected to the internal thread bottom assembling and disassembling port 26 in a threaded mode, an installation clamping hole 28 is formed in the lower end of the external thread sealing plug 27, an integrated structure installation clamping block 29 is arranged at the upper end of the top extrusion block 19, and the transparent buoyancy box 14 is sleeved on the installation clamping block 29 through the installation clamping hole 28 and is fixedly connected with the upper end of the internal thread transparent assembly cover 10.
Example (b): the internal thread bottom loading and unloading opening 26 is closed by screwing the external thread sealing plug 27 into the internal thread bottom loading and unloading opening 26, the external pull rope 31 is fixed, after the installation clamping block 29 is separated from the inside of the installation clamping hole 28, the transparent buoyancy box 14 floats on the water surface through buoyancy, the external pull rope 31 upwards extends from the internal threading opening 30, and the transparent buoyancy box 14 is prevented from being pulled underwater.
Further, for cooperation connection control, inside threading hole 30 has been seted up on the 12 lateral surfaces of elasticity upset control lever, inside grafting of inside threading hole 30 has the outside stay cord 31 that is used for controlling the 12 upsets of elasticity upset control lever, outside stay cord 31 upper end is through inserting inside and transparent buoyancy box 14 fixed connection of internal thread bottom loading and unloading mouth 26, furthermore, in order to promote the inflow, set up the top water inlet 32 that is used for intaking on the 14 upper end lateral surfaces of transparent buoyancy box, set up L type structure side direction intake chamber 33 on the 7 lateral surfaces of external screw thread top assembly pipe.
Further, in order to match water immersion and electrify, the outer side surface of the transparent buoyancy box 14 is fixedly connected with a metal conducting strip 34 which is respectively electrically connected with the power supply input end of the LED warning lamp 3 and the power supply output end of the small button cell 4, and further, in order to facilitate lateral cutting, the lower end of the outer side surface of the inner thimble 11 is provided with a lateral cutting blade 35.
The invention has the beneficial effects that:
(1) the invention relates to a water immersion starting type automatic inflation warning device which comprises a main mounting shell 1 with a built-in elastic inner thimble 11, a small steel cylinder 2 with built-in compressed air and a detachable transparent buoyancy box 14, wherein the inner thimble is automatically controlled to puncture a sealing film at the upper end of the small steel cylinder 2 after the device falls into a water body, so that the life jacket is automatically inflated, the device can be automatically controlled in water immersion, a top-arranged extrusion spring 17, a top extrusion sleeve 18 and a top extrusion block 19 are arranged in an inner thread transparent assembly cover 10, the transparent buoyancy box 14 is mounted, fixed and separated through a mounting clamping block 29 on the top extrusion block 19, and the separation is controlled while automatic inflation is carried out, so that the linkage of the device is greatly enhanced;
(2) an arc-shaped guide groove 25 is formed in the inner side face of the main mounting shell 1, the inner thimble 11 deflects when stretching, the size of a groove is enlarged by matching with a lateral cutting blade 35 on the side face of the inner thimble 11, and the air output is greatly increased;
(3) at transparent buoyancy box 14 internally mounted have LED warning light 3 and be used for the small-size button cell 4 of power supply, outside stay cord 31 not only can manual control aerify, can also carry on spacingly to transparent buoyancy box 14 to promote aerating device's functionality greatly.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a water logging starts formula automatic charging warning device, includes main installation casing (1), built-in compressed air's small-size steel bottle (2), LED warning light (3), gives small-size button cell (4), buzzing whistle (5) and water-soluble formula foam block (6) of LED warning light (3) power supply, characterized by: the upper end of the main mounting shell (1) is provided with an external thread top assembling pipe (7) which protrudes upwards, the lower end of the main mounting shell (1) is provided with an internal thread bottom assembling hole (8) for mounting the small-sized steel cylinder (2), a lateral assembling hole (9) for mounting an inflatable life jacket air inlet pipe is formed in the main mounting shell (1), the upper end of the external thread top assembling pipe (7) is connected with an internal thread transparent assembling cover (10) in a threaded manner, the small-sized steel cylinder (2) is screwed into the internal thread bottom assembling hole (8) through an external thread mounting pipe with an integrated upper end structure and is fixedly connected with the main mounting shell (1), an internal thimble (11) is elastically connected in the main mounting shell (1), and a lateral accommodating groove (13) with a built-in elastic overturning control rod (12) is formed in the outer lateral surface of the main mounting shell (1), the transparent assembly cover of internal thread (10) upper end joint be fixed with detachable transparent buoyancy box (14), LED warning light (3) and small-size button cell (4) fixed mounting inside transparent buoyancy box (14).
2. A water immersion activated self-inflating warning device as claimed in claim 1, wherein: the internal connection of external screw thread top assembly pipe (7) has inside spacing ring (15), inside edge position and inside spacing support (16) of inside spacing ring (15), water-soluble formula foam block (6) through the cover control inside spacing support (16) fixed spacing in inside spacing support (16) outside, internal thread transparent assembly cover (10) on the top surface fixedly connected with overhead extrusion spring (17), overhead extrusion spring (17) lower extreme outside cup joint and be fixed with top extrusion cover (18), top extrusion cover (18) lower extreme axial fixedly connected with be used for controlling top extrusion piece (19) of inside thimble (11), top extrusion piece (19) lower extreme contact with inside spacing support (16) side, main installation casing (1) in the top surface and in the bottom surface on set up respectively with the inside top concertina hole (20) that is linked together of external screw thread top assembly pipe (7) and with internal thread bottom portion on the top surface and the bottom surface A bottom telescopic hole (21) communicated with the inside of the assembly hole (8).
3. A water immersion activated self-inflating warning device as claimed in claim 2, wherein: inside thimble (11) lateral surface fixedly connected with top press block (22), top press block (22) outside cover have inside extrusion spring (23), inside extrusion spring (23) lower extreme and main installation casing (1) in bottom fixed connection, top press block (22) lateral surface on have side direction assembly pole (24), elasticity upset control lever (12) through the assembly support cover on the side on side assemble pole (24) with the top press block activity assembly, main installation casing medial surface on seted up with side direction assembly pole matched with arc guide way (25), elasticity upset control lever (12) run through the side direction and accomodate groove (13) inner wall and side direction and accomodate the inside swing joint of groove (13) through horizontal pivot.
4. A water immersion activated self-inflating warning device as claimed in claim 2, wherein: the transparent buoyancy box (14) lower extreme set up internal thread bottom handling mouth (26), internal thread bottom handling mouth (26) inside threaded connection have external screw thread sealing plug (27), external screw thread sealing plug (27) lower extreme set up erection clamp hole (28), top extrusion piece (19) upper end integrated into one piece structure installation fixture block (29), transparent buoyancy box (14) cover on installation fixture block (29) through erection clamp hole (28) and internal thread transparent assembly cover (10) upper end fixed connection.
5. A water immersion activated self-inflating warning device as claimed in claim 4, wherein: the outer side surface of the elastic overturning control rod (12) is provided with an inner threading hole (30), an outer pull rope (31) used for controlling the elastic overturning control rod (12) to overturn is inserted into the inner threading hole (30), and the upper end of the outer pull rope (31) is fixedly connected with the transparent buoyancy box (14) through being inserted into the inner thread bottom loading and unloading opening (26).
6. A water immersion activated self-inflating warning device as claimed in claim 1, wherein: transparent buoyancy box (14) upper end lateral surface on offer top water inlet (32) that are used for intaking, external screw thread top assembly pipe (7) lateral surface on seted up L type structure side direction intake chamber (33).
7. A water immersion activated self-inflating warning device as claimed in claim 1, wherein: and the outer side surface of the transparent buoyancy box (14) is fixedly connected with a metal conducting strip (34) which is respectively and electrically connected with the power supply input end of the LED warning lamp (3) and the power supply output end of the small button cell (4).
8. A water immersion activated self-inflating warning device as claimed in claim 1, wherein: and a lateral cutting blade (35) is arranged at the lower end of the outer side surface of the inner thimble (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580546.4A CN113830264B (en) | 2020-06-23 | 2020-06-23 | Water logging starts formula automatic inflation warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580546.4A CN113830264B (en) | 2020-06-23 | 2020-06-23 | Water logging starts formula automatic inflation warning device |
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| CN113830264B CN113830264B (en) | 2023-02-03 |
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| CN113830264B (en) | 2023-02-03 |
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