CN112193388A

CN112193388A - Meet water and fill gas formula lifesaving with safe bracelet and coupling mechanism thereof

Info

Publication number: CN112193388A
Application number: CN202011071827.3A
Authority: CN
Inventors: 吴仕华
Original assignee: Taoyuan No8 Middle School
Current assignee: Taoyuan No8 Middle School
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-01-08

Abstract

The invention discloses a water-meeting self-inflating type life-saving safety bracelet and a connecting mechanism thereof, which relate to the field of safety bracelets and comprise a main body, an installation mechanism, an inflation mechanism, a fixing mechanism and a connecting mechanism, wherein the main body comprises a shell, and the outer wall of the shell is connected with a connecting block; wherein, installation mechanism is including being located the installation groove of shell inside. According to the invention, the baffle is arranged to push the baffle, the baffle is stressed to enable the first movable block to be stressed downwards, the first movable block is stressed to retract into the first movable groove, the baffle slides in the baffle groove until the installation groove is completely exposed, the compressed gas tank is placed into the installation groove and passes through the limiting groove, the compressed gas tank is rotated, and the compressed gas tank is installed through the external threads of the tank opening of the compressed gas tank and the internal threads in the installation hole, meanwhile, in the installation process, the sharp needle punctures the tank opening of the compressed gas tank, so that the tank opening of the compressed gas tank is conveniently punctured in advance, and the situation that the compressed gas tank cannot be rescued by a user without puncturing the compressed gas tank is avoided.

Description

Meet water and fill gas formula lifesaving with safe bracelet and coupling mechanism thereof

Technical Field

The invention relates to the field of safety bracelets, in particular to a self-inflating life-saving safety bracelet when meeting water and a connecting mechanism thereof.

Background

The safety bracelet for saving life in the mode of self-inflating when meeting water is an outdoor emergency life-saving product with the latest concept, and is mainly convenient for outdoor swimming enthusiasts to pull the bracelet in an emergency when encountering leg cramps, so that the bracelet is inflated and expanded rapidly to become a life-saving swimming ring, buoyancy is generated, a human body is supported to float on the water surface, and the swimmers are helped to get rid of dangerous situations as much as possible; meanwhile, the first time help can be provided for the rescuers.

However, when the conventional safety bracelet is used, the handle is broken off, the sharp needle at the joint of the handle punctures the tank opening of the compressed gas tank to release gas, and the condition that the handle is not broken off is often encountered, so that a user cannot be rescued in time; the safety bracelet is required to be used in a simpler and more convenient mode, and the safety bracelet cannot be triggered unintentionally, so that waste is caused; there is also a need for a connection mechanism that can be worn more quickly.

Disclosure of Invention

The invention aims to: when the conventional safety bracelet is used, the handle is broken off, a sharp needle at the joint of the handle punctures a tank opening of a compressed gas tank to release gas, and the condition that the handle is not broken off by breaking off is often met, so that a user cannot be rescued in time; the safety bracelet is required to be used in a simpler and more convenient mode, and the safety bracelet cannot be triggered unintentionally, so that waste is caused; need to have the coupling mechanism's that can wear problem more fast simultaneously, provide one kind and meet water from inflating formula lifesaving with safe bracelet and coupling mechanism.

In order to achieve the purpose, the invention provides the following technical scheme: a water self-inflating safe bracelet for life saving and a connecting mechanism thereof comprise a main body, an installing mechanism, an inflating mechanism, a fixing mechanism and a connecting mechanism, wherein the main body comprises a shell, and the outer wall of the shell is connected with a connecting block;

the installation mechanism comprises a mounting groove located inside the shell, a limiting groove is formed in one end, located in the mounting groove, of the shell, a mounting hole is formed in one end, located in the limiting groove, of the shell, a baffle groove is formed in the bottom end of the mounting groove, a baffle is connected to the inner wall of the baffle, a movable groove is formed in one end of the baffle, a movable block is connected to the inner wall of the movable groove, a spring is connected between the bottom end of the movable block and the bottom end of the inner wall of the movable groove, and a compression gas tank is connected to the inner wall of the mounting hole.

Preferably, aerify the mechanism including the inflation tank that is located the shell inside and mounting hole one end, one side that the inside of shell is located the mounting groove is provided with the gasbag groove, the inside of shell is located and is connected with the inflation hole between inflation tank and the gasbag groove, the one end that the inside of shell is located the gasbag groove is provided with the swivelling chute, the inner wall connection of swivelling chute has the gasbag board, the one end of gasbag board is provided with the buckle No. one, the other end that the inside of shell is located the gasbag groove is provided with the draw-in groove No. one, the internal connection that the one end of inflation hole is located the gasbag groove has the gasbag, the top that the inside of shell is located the mounting groove is provided.

Preferably, the sliding device comprises a sliding groove located inside the shell and at the top end of the mounting groove, a sliding plate is connected to the inner wall of the sliding groove, a connecting frame is connected to the bottom end of the sliding plate, a movable plate is connected to one end of the connecting frame, and a sharp needle is connected to one end of the movable plate.

Preferably, fixed establishment is including the fixed slot that is located shell inside and rotating groove one side, the one end that the inside of slide is located a fixed slot is provided with the fixed slot No. two, the inner wall connection of No. two fixed slots has the fixed plate, the inside of shell is provided with the spacing hole that runs through to a fixed slot inside, the inner wall connection in spacing hole has the screw, one side that the inside of shell is located a fixed slot is provided with the activity groove No. two, the inner wall connection in activity groove No. two has the movable block No. two, be connected with the spring No. two between the one end of No. two movable blocks and the activity inslot wall No. two.

Preferably, coupling mechanism is including the connecting band that is located shell one side and connecting block inner wall, the inside of a connecting band is provided with the spread groove, the inner wall that the opposite side of shell is located the connecting block is connected with the connecting band No. two, the one end of connecting band No. two is connected with the connection shell, one side top of connection shell is provided with the dismantlement groove, the inner wall connection in dismantlement groove has the dismantlement board, the one end of dismantlement board is provided with the buckle No. two, the opposite side outer wall of connection shell is provided with the draw-in groove No. two, the inside of connection shell is provided with the activity groove No. three, the inner wall connection in activity groove No. three has the movable block No. three, be connected with the spring No. three between the one end of No. three movable block and the inner.

Preferably, the top outer wall of compressed gas jar is provided with the external screw thread, the inner wall of mounting hole is provided with the internal thread, the external screw thread of compressed gas jar agrees with the internal thread of mounting hole mutually, the outer wall of compressed gas jar agrees with the inner wall of spacing groove mutually, the inner wall of baffle groove agrees with the outer wall of plate, the outer wall of a movable block agrees with the inner wall of activity groove mutually, the one end of baffle groove is provided with the shrinkage pool, the part that a movable block exposes a movable groove is semi-circular.

Preferably, the rotary groove is connected with the air bag plate through a rotating shaft, the inner wall of the air bag groove is matched with the outer wall of the air bag plate, and the outer wall of the first buckle is matched with the inner wall of the first clamping groove.

Preferably, a slot hole matched with the outer wall of the connecting frame is formed between the mounting groove and the inflating groove, and the sharp needle is located inside the mounting hole.

Preferably, the inner wall of the first fixed groove is matched with the outer wall of the fixed plate, the screw is provided with an external thread, the inner wall of the limiting hole is provided with an internal thread, the external thread of the screw is matched with the internal thread of the limiting hole, the outer wall of the second movable block is matched with the inner wall of the second movable groove, and the part of the second movable block, which is exposed out of the second movable groove, is semicircular.

Preferably, be connected through the pivot between a connecting band and the connecting block, be connected through the pivot between No. two connecting bands and the connecting block, the spread groove is provided with the both sides that the multiunit is located a connecting band, the outer wall of No. three movable blocks agrees with the inner wall of No. three activity grooves mutually, the outer wall of No. two buckles and the inner wall phase-match of No. two draw-in grooves, the partial cross-section that No. three movable blocks expose No. three activity grooves is triangle-shaped.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the baffle is arranged to push the baffle, the baffle is stressed to enable the first movable block to be stressed downwards, the first movable block is stressed to retract into the first movable groove, the baffle slides in the baffle groove until the installation groove is completely exposed, the compressed gas tank is placed into the installation groove and passes through the limiting groove, the compressed gas tank is rotated and installed through the external threads of the tank opening of the compressed gas tank and the internal threads in the installation hole, and meanwhile, in the installation process, the sharp needle punctures the tank opening of the compressed gas tank, so that the tank opening of the compressed gas tank is conveniently punctured in advance, and the situation that the compressed gas tank cannot be rescued by a user without puncturing the compressed gas tank is avoided;

2. according to the invention, the fixing plate is pushed, the fixing plate is stressed to slide in the second fixing groove and is contacted with the second movable block, the second movable block is stressed to slide in the second movable groove until the fixing plate slides into the first fixing groove, the sliding plate is pushed and slides in the sliding groove, the movable plate is driven to displace through the connecting frame, gas in the compressed gas tank is placed into the inflation groove and is transmitted into the gas bag through the inflation hole, so that the gas bag is inflated and expanded, the gas bag plate is stressed by an upward force, the first buckle is popped out of the first clamping groove, the gas bag is released, a user is rescued, the safety bracelet is conveniently and rapidly used, the rescue of the user is realized, and meanwhile, the situation that the safety bracelet is opened unintentionally is reduced;

3. according to the invention, the safety bracelet is placed on the wrist, the first connecting belt penetrates into the connecting shell, the third movable block is stressed to contract towards the third movable groove, the connecting groove is formed at the position of the third movable block, the third movable block is subjected to the elastic force generated by the deformation of the third spring and is popped out to the connecting groove, the first connecting belt stops after reaching a target position, the third movable block is combined with the connecting groove to be connected with the wrist, when the safety bracelet is taken off, the dismounting plate is pulled off to enable the second clamping buckle to pop out the second clamping groove, the dismounting plate and the dismounting groove rotate relatively, the first connecting belt is separated from the connecting shell, the safety bracelet is taken off, and the safety bracelet can be conveniently and rapidly put on and taken off.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of the body of the present invention;

FIG. 4 is a schematic view of the installation of the baffle of the present invention;

FIG. 5 is a schematic view of the installation of the slider of the present invention;

FIG. 6 is a schematic view of the sliding device according to the present invention;

FIG. 7 is a schematic view of the mounting of the securing mechanism of the present invention;

FIG. 8 is an enlarged view of the invention at A;

FIG. 9 is a cross-sectional view of the body of the present invention;

FIG. 10 is a schematic view of the installation of the airbag panel of the present invention;

FIG. 11 is a schematic view of the attachment mechanism of the present invention installed;

FIG. 12 is an enlarged view of the invention at B;

fig. 13 is a schematic view showing the installation of the compressed gas tank and the airbag of the invention.

In the figure: 10. a main body; 11. a housing; 12. connecting blocks; 20. an installation mechanism; 21. mounting grooves; 22. a limiting groove; 23. mounting holes; 24. a baffle slot; 25. a baffle plate; 26. a first movable groove; 27. a first movable block; 28. a first spring; 29. a compressed gas tank; 30. an inflation mechanism; 31. an inflation groove; 32. an air bag groove; 33. an inflation hole; 34. a rotating tank; 35. an airbag panel; 36. a first buckle; 37. a first card slot; 38. an air bag; 390. a sliding device; 391. a chute; 392. a slide plate; 393. a connecting frame; 394. a movable plate; 395. a sharp needle; 40. a fixing mechanism; 41. a first fixing groove; 42. a second fixing groove; 43. a fixing plate; 44. a limiting hole; 45. a screw; 46. a second movable groove; 47. a second movable block; 48. a second spring; 50. a connecting mechanism; 51. a first connecting belt; 52. connecting grooves; 53. a second connecting belt; 54. a connecting shell; 55. disassembling the groove; 56. disassembling the plate; 57. a second buckle; 58. a second card slot; 591. a third movable groove; 592. a third movable block; 593. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-13, a water-encountering self-inflating type life-saving safety bracelet and a connection mechanism thereof, includes a main body 10, an installation mechanism 20, an inflation mechanism 30, a fixing mechanism 40 and a connection mechanism 50, wherein the main body 10 includes a housing 11, and the outer wall of the housing 11 is connected with a connection block 12;

wherein, installation mechanism 20 is including being located the inside mounting groove 21 of shell 11, the inside one end that is located mounting groove 21 of shell 11 is provided with spacing groove 22, the inside one end that is located spacing groove 22 of shell 11 is provided with mounting hole 23, the bottom of mounting groove 21 is provided with baffle groove 24, the inner wall of baffle groove 24 is connected with plate 25, the inside activity groove 26 that is provided with in one end of plate 25, the inner wall of activity groove 26 is connected with movable block 27 No. one, be connected with spring 28 between the bottom of movable block 27 and the inner wall bottom of activity groove 26 No. one, the inner wall of mounting hole 23 is connected with compression gas pitcher 29.

Please refer to fig. 5, 9 and 10, the inflating mechanism 30 includes an inflating groove 31 located inside the housing 11 and at one end of the mounting hole 23, an air bag groove 32 is disposed at one side of the mounting groove 21 inside the housing 11, an inflating hole 33 is connected between the inflating groove 31 and the air bag groove 32 inside the housing 11, a rotating groove 34 is disposed at one end of the air bag groove 32 inside the housing 11, an air bag plate 35 is connected to an inner wall of the rotating groove 34, a first buckle 36 is disposed at one end of the air bag plate 35, a first clamping groove 37 is disposed at the other end of the air bag groove 32 inside the housing 11, an air bag 38 is connected to one end of the inflating hole 33 located inside the air bag groove 32, and a sliding device 390 is disposed at the top end of the mounting groove 21 inside the housing 11, so as to facilitate inflating the air bag 38.

Referring to fig. 5 and 6, the sliding device 390 includes a sliding chute 391 located inside the housing 11 and at the top end of the mounting groove 21, a sliding plate 392 connected to the inner wall of the sliding chute 391, a connecting frame 393 connected to the bottom end of the sliding plate 392, a movable plate 394 connected to one end of the connecting frame 393, and a spike 395 connected to one end of the movable plate 394 for sliding the sliding plate 392 to discharge the compressed air tank 29.

Please refer to fig. 7 and 8, the fixing mechanism 40 includes a first fixing groove 41 located inside the housing 11 and on one side of the rotating groove 34, a second fixing groove 42 is disposed at one end of the first fixing groove 41 inside the sliding plate 392, a fixing plate 43 is connected to an inner wall of the second fixing groove 42, a limiting hole 44 penetrating through the first fixing groove 41 is disposed inside the housing 11, a screw 45 is connected to an inner wall of the limiting hole 44, a second moving groove 46 is disposed on one side of the first fixing groove 41 inside the housing 11, a second moving block 47 is connected to an inner wall of the second moving groove 46, and a second spring 48 is connected between one end of the second moving block 47 and the inner wall of the second moving groove 46, so as to fix the sliding plate 392.

Please refer to fig. 2, 11, 12 and 13, the connecting mechanism 50 includes a first connecting band 51 located on one side of the housing 11 and an inner wall of the connecting block 12, a connecting groove 52 is disposed inside the first connecting band 51, a second connecting band 53 is connected on the other side of the housing 11 and located on the inner wall of the connecting block 12, one end of the second connecting band 53 is connected with a connecting shell 54, a detaching groove 55 is disposed at a top end of one side of the connecting shell 54, a detaching plate 56 is connected to an inner wall of the detaching groove 55, a second buckle 57 is disposed at one end of the detaching plate 56, a second clamping groove 58 is disposed on an outer wall of the other side of the connecting shell 54, a third movable groove 591 is disposed inside the connecting shell 54, a third movable block 592 is connected to an inner wall of the third movable groove 591, and a third spring 593 is connected between one end of the third movable block 592 and the inner wall of the third movable groove 591.

Please refer to fig. 4, 9 and 13, the outer wall of the top end of the compressed air tank 29 is provided with an external thread, the inner wall of the mounting hole 23 is provided with an internal thread, the external thread of the compressed air tank 29 is matched with the internal thread of the mounting hole 23, the outer wall of the compressed air tank 29 is matched with the inner wall of the limiting groove 22, so as to facilitate the installation of the compressed air tank 29, the inner wall of the baffle groove 24 is matched with the outer wall of the baffle plate 25, so as to facilitate the baffle plate 25 to slide in the baffle groove 24, the outer wall of the first movable block 27 is matched with the inner wall of the first movable groove 26, one end of the baffle groove 24 is provided with a concave hole, the part of the first movable block 27, which is exposed out of the first movable groove 26, is semicircular, so as to facilitate the first movable.

Please refer to fig. 5, 9 and 10, the rotation groove 34 is connected to the air bag plate 35 through a rotation shaft, so that the air bag plate 35 and the rotation groove 34 rotate relatively, the inner wall of the air bag groove 32 is engaged with the outer wall of the air bag plate 35, so that the air bag plate 35 slides in the air bag groove 32, the outer wall of the first buckle 36 is matched with the inner wall of the first buckle groove 37, so that the first buckle 36 and the first buckle groove 37 are combined and fixed conveniently.

Referring to fig. 5, 6, 9 and 13, a slot hole matching with the outer wall of the connecting frame 393 is arranged between the mounting groove 21 and the inflating groove 31, and the sharp needle 395 is positioned inside the mounting hole 23 to facilitate the puncture of the mouth of the compressed air tank 29 when the compressed air tank 29 is mounted.

Please refer to fig. 7 and 8, the inner wall of the first fixing groove 41 is engaged with the outer wall of the fixing plate 43 to facilitate the fixing plate 43 to slide in the first fixing groove 41, the screw 45 is provided with an external thread, the inner wall of the limiting hole 44 is provided with an internal thread, the external thread of the screw 45 is engaged with the internal thread of the limiting hole 44 to facilitate the combination of the screw 45 and the limiting hole 44, the outer wall of the second movable block 47 is engaged with the inner wall of the second movable groove 46, and the portion of the second movable block 47 exposed out of the second movable groove 46 is semicircular to facilitate the second movable block 47 to slide in the second movable groove 46 under the force.

Please refer to fig. 2, 11 and 12, the first connection belt 51 is connected to the connection block 12 through a rotation shaft, so that the first connection belt 51 and the connection block 12 rotate relatively, the second connection belt 53 is connected to the connection block 12 through a rotation shaft, so that the second connection belt 53 and the connection block 12 rotate relatively, the connection groove 52 is provided with a plurality of sets of connection grooves located at two sides of the first connection belt 51, an outer wall of the third movable block 592 is engaged with an inner wall of the third movable groove 591, an outer wall of the second buckle 57 is matched with an inner wall of the second clamping groove 58, so that the second buckle 57 and the second clamping groove 58 are combined and fixed conveniently, a part of the third movable block 592 exposed out of the third movable groove 591 is triangular in cross section, so that the third movable block 592 is forced to slide in the third movable groove 591.

The working principle is as follows: firstly, pushing the baffle plate 25, the baffle plate 25 is stressed to make the first movable block 27 bear downward force, the first movable block 27 is stressed to retract into the first movable groove 26, the baffle plate 25 slides in the baffle groove 24 until the installation groove 21 is completely exposed, the compressed air tank 29 is placed in the installation groove 21, passes through the limiting groove 22, the compressed air tank 29 is rotated, the external thread of the tank opening of the compressed air tank 29 and the internal thread in the installation hole 23 are installed, meanwhile, in the installation process, the sharp needle 395 punctures the tank opening of the compressed air tank 29, pushes the baffle plate 25, the first movable block 27 to the concave hole of the baffle groove 24, is ejected to the concave hole by the elastic force generated by the deformation of the first spring 28 to fix the baffle plate 25, places the safety bracelet on the wrist, penetrates the first connecting belt 51 into the connecting shell 54, the third movable block 592 is stressed to retract into the third movable groove 591, the connecting groove 52 to the third movable block 592, the third movable block 592 is sprung to the connecting groove 52 by the elastic force of the deformation of the third spring 593, the first connecting belt 51 stops after reaching a target position, the third movable block 592 and the connecting groove 52 are combined and connected with the wrist, the screw 45 is rotated before launching, the screw 45 is taken down, the fixing of the fixing plate 43 is cancelled, when in danger, the fixing plate 43 is pushed, the fixing plate 43 is forced to slide in the second fixing groove 42 and is contacted with the second movable block 47, the second movable block 47 is forced to slide in the second movable groove 46 until the fixing plate 43 slides in the first fixing groove 41, the sliding plate 392 is pushed, the sliding plate 392 slides in the sliding groove 391, the movable plate 394 is driven to displace by the connecting frame 393, the gas in the compressed gas tank 29 is put into the gas charging groove 31 and is transmitted into the gas bag 38 through the gas charging hole 33, so that the gas bag 38 is charged and expanded, the gas bag plate 35 is forced upwards, the first buckle 36 is sprung to the first clamping groove, emit the gasbag, rescue the user, when taking off safe bracelet, break off with the fingers and thumb and dismantle board 56 and make No. two buckles 57 pop out No. two draw-in grooves 58, dismantle board 56 and dismantle groove 55 and carry out relative rotation, separate connecting band 51 and connection shell 54, take off safe bracelet.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a meet water from inflatable life-saving with safe bracelet and coupling mechanism thereof, includes main part (10), installation mechanism (20), inflates mechanism (30), fixed establishment (40) and coupling mechanism (50), its characterized in that: the main body (10) comprises a shell (11), and the outer wall of the shell (11) is connected with a connecting block (12);

the installation mechanism (20) comprises an installation groove (21) located inside a shell (11), a limiting groove (22) is arranged at one end, located in the installation groove (21), of the inside of the shell (11), a mounting hole (23) is arranged at one end, located in the limiting groove (22), of the inside of the shell (11), a baffle groove (24) is arranged at the bottom end of the installation groove (21), a baffle plate (25) is connected to the inner wall of the baffle groove (24), a movable groove (26) is arranged inside one end of the baffle plate (25), a movable block (27) is connected to the inner wall of the movable groove (26), a spring (28) is connected between the bottom end of the movable block (27) and the bottom end of the inner wall of the movable groove (26), and a compression gas tank (29) is connected to the inner wall of the mounting hole (23).

2. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 1, its characterized in that: the inflation mechanism (30) comprises an inflation groove (31) which is positioned in the shell (11) and at one end of the mounting hole (23), an air bag groove (32) is arranged at one side of the mounting groove (21) in the shell (11), an inflation hole (33) is connected between the inflation groove (31) and the air bag groove (32) in the shell (11), a rotating groove (34) is arranged at one end of the inner part of the shell (11) positioned in the air bag groove (32), the inner wall of the rotary groove (34) is connected with an air bag plate (35), one end of the air bag plate (35) is provided with a first buckle (36), a first clamping groove (37) is arranged at the other end of the air bag groove (32) in the shell (11), one end of the inflation hole (33) is positioned in the air bag groove (32) and is connected with an air bag (38), a sliding device (390) is arranged at the top end of the mounting groove (21) in the shell (11).

3. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 2, its characterized in that: the sliding device (390) comprises a sliding groove (391) located in the shell (11) and at the top end of the mounting groove (21), a sliding plate (392) is connected to the inner wall of the sliding groove (391), a connecting frame (393) is connected to the bottom end of the sliding plate (392), a movable plate (394) is connected to one end of the connecting frame (393), and a sharp needle (395) is connected to one end of the movable plate (394).

4. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 3, its characterized in that: fixed establishment (40) are including being located shell (11) inside and fixed slot (41) on one side of swivelling chute (34), the one end that the inside of slide (392) is located fixed slot (41) is provided with No. two fixed slots (42), the inner wall connection of No. two fixed slots (42) has fixed plate (43), the inside of shell (11) is provided with runs through to the inside spacing hole (44) of a fixed slot (41), the inner wall connection of spacing hole (44) has screw (45), the inside of shell (11) is located one side of a fixed slot (41) and is provided with No. two activity grooves (46), the inner wall connection of No. two activity grooves (46) has No. two movable blocks (47), be connected with No. two springs (48) between the one end of No. two movable blocks (47) and No. two activity grooves (46) inner wall.

5. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 1, its characterized in that: the connecting mechanism (50) comprises a first connecting belt (51) located on one side of the shell (11) and on the inner wall of the connecting block (12), a connecting groove (52) is formed in the first connecting belt (51), a second connecting belt (53) is connected to the inner wall, located on the connecting block (12), of the other side of the shell (11), one end of the second connecting belt (53) is connected with the connecting shell (54), a dismounting groove (55) is formed in the top end of one side of the connecting shell (54), a dismounting plate (56) is connected to the inner wall of the dismounting groove (55), a second buckle (57) is arranged at one end of the dismounting plate (56), a second clamping groove (58) is formed in the outer wall of the other side of the connecting shell (54), a third movable groove (591) is formed in the connecting shell (54), and a third movable block (592) is connected to the inner wall of the third movable groove (591), a third spring (593) is connected between one end of the third movable block (592) and the inner wall of the third movable groove (591).

6. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 1, its characterized in that: the utility model discloses a pneumatic control valve, including compressed gas jar (29), the top outer wall of compressed gas jar (29) is provided with the external screw thread, the inner wall of mounting hole (23) is provided with the internal thread, the external screw thread of compressed gas jar (29) agrees with the internal thread of mounting hole (23) mutually, the outer wall of compressed gas jar (29) agrees with the inner wall of spacing groove (22) mutually, the inner wall of baffle groove (24) agrees with the outer wall of plate (25) mutually, the outer wall of a movable block (27) agrees with the inner wall of a movable groove (26) mutually, the one end of baffle groove (24) is provided with the shrinkage pool, the part that a movable block (27) exposes a movable groove (26) is semi-circular.

7. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 3, its characterized in that: the rotary groove (34) is connected with the air bag plate (35) through a rotary shaft, the inner wall of the air bag groove (32) is matched with the outer wall of the air bag plate (35), and the outer wall of the first buckle (36) is matched with the inner wall of the first clamping groove (37).

8. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 3, its characterized in that: a slotted hole matched with the outer wall of the connecting frame (393) is arranged between the mounting groove (21) and the inflating groove (31), and the sharp needle (395) is positioned inside the mounting hole (23).

9. The meet water from inflatable life-saving safety bracelet and coupling mechanism thereof of claim 4, its characterized in that: the inner wall of a fixed slot (41) agrees with the outer wall of fixed plate (43) mutually, screw (45) are provided with the external screw thread, the inner wall of spacing hole (44) is provided with the internal thread, the external screw thread of screw (45) agrees with the internal thread of spacing hole (44) mutually, the outer wall of No. two movable block (47) agrees with the inner wall of No. two movable groove (46) mutually, No. two movable block (47) expose the part of No. two movable groove (46) for semi-circular.

10. The water meets safe bracelet and coupling mechanism for self-inflating lifesaving of claim 5, its characterized in that: be connected through the pivot between a connecting band (51) and connecting block (12), be connected through the pivot between No. two connecting bands (53) and connecting block (12), connecting groove (52) are provided with the both sides that the multiunit is located a connecting band (51), the outer wall of No. three movable block (592) agrees with the inner wall of No. three movable groove (591) mutually, the outer wall of No. two buckle (57) and the inner wall phase-match of No. two draw-in grooves (58), the partial cross-section that No. three movable block (592) expose No. three movable groove (591) is the triangle-shaped.