CN116118976A

CN116118976A - Spliced combined life jacket structure

Info

Publication number: CN116118976A
Application number: CN202310153436.3A
Authority: CN
Inventors: 吴平平; 韩晶
Original assignee: Jiangsu Jujie Fire Equipment Co ltd
Current assignee: Jiangsu Jujie Fire Equipment Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-05-16

Abstract

The invention provides a spliced combined life jacket structure, which relates to the field of life jackets and comprises a life jacket main body; the outer side of the top of the life jacket main body is fixedly provided with a striking mechanism, and the inner side of the life jacket main body is fixedly provided with a connecting mechanism; the bottom of the front side of the life jacket main body is fixedly provided with a fixing mechanism, and the outer side of the life jacket main body is fixedly provided with a first buoyancy device; the connecting device is arranged on the outer side of the first buoyancy device, the second buoyancy device is arranged on the outer side of the connecting device, and the effect of replacing the reflective material and the buoyancy material is achieved through the striking mechanism, the first zipper strip A, the first zipper strip B and the connecting device; the buoyancy of the life jacket can be adjusted according to the weight of a user, and the problems that the light reflecting material and the buoyancy material are inconvenient to detach and replace and the buoyancy material is inconvenient to adjust according to the weight of the user when the light reflecting material and the buoyancy material are damaged are solved.

Description

Spliced combined life jacket structure

Technical Field

The invention relates to the technical field of life jackets, in particular to a spliced combined life jacket structure.

Background

The life jacket is also called life vest, and is made of nylon fabric or neoprene, buoyancy material or inflatable material, reflecting material, etc.

The reflective material and the buoyancy material of the existing life jacket are mostly sewn on the outer side of the life vest, so that the reflective material and the buoyancy material are possibly inconvenient to detach and replace when being damaged, and the use cost is increased; and the existing life jacket is inconvenient to adjust the buoyancy according to the weight of a user when in use, thereby reducing the practicability of the life jacket.

Disclosure of Invention

In view of the above, the present invention provides a spliced combined life jacket structure, which has a striking mechanism and a first zipper strip a, and a first zipper strip B and a joining device, thereby realizing the effect of individually replacing reflective materials and buoyancy materials; and the buoyancy of the life jacket can be simply and conveniently adjusted according to the specific weight of a user, so that the practicability of the life jacket structure is enhanced.

The invention provides a spliced combined life jacket structure, which specifically comprises: a life jacket main body;

a second zipper A is fixedly arranged on one side of the front part of the life jacket main body, a second zipper B is fixedly arranged on the other side of the front part of the life jacket main body, and the second zipper A and the second zipper B are symmetrically arranged; the outer side of the life jacket main body is fixedly provided with a first zipper strip A, and the first zipper strips A are symmetrically arranged; the outer side of the top of the life jacket main body is fixedly provided with a striking mechanism, and the inner side of the life jacket main body is fixedly provided with a connecting mechanism; the bottom of the front side of the life jacket main body is fixedly provided with a fixing mechanism, the outer side of the life jacket main body is fixedly provided with a first buoyancy device, and eight parts of the first buoyancy device are arranged; the first buoyancy device is provided with a connecting device on the outer side, and the second buoyancy device is arranged on the outer side of the connecting device.

Furthermore, two groups of fixing strips are fixedly arranged at the bottom of the rear side of the life jacket main body, and the two groups of fixing strips are symmetrically arranged; the inside rotation of fixed strip bottom side is provided with square ring, and square ring quantity sets up into two sets of.

Further, the striking mechanism includes: magic tape surface, magic tape hook surface and reflective strip; the magic tape is fixedly arranged on the outer side of the top of the life jacket main body; the hook surface of the magic tape is adhered to the top of the hook surface of the magic tape, the number of the hook surface of the magic tape and the number of the hook surface of the magic tape are two, and the hook surface of the magic tape and the hook surface of the hook tape are symmetrically arranged; the reflective strip is fixedly arranged at the top of the hook surface of the magic tape.

Further, the connecting mechanism comprises: the elastic strip A, the elastic strip B, the eye-splice parent body, the elastic sheet and the eye-splice child body; the elastic strip A is fixedly arranged at one side of the inside of the life jacket main body; the elastic strip B is fixedly arranged on the other side of the inside of the life jacket main body, and the elastic strip B and the elastic strip A are symmetrically arranged; the eye-splice matrix is fixedly arranged at the top end of the elastic strip A, the eye-splice matrix main body is of a T-shaped structure, and the interior of the eye-splice matrix is of a hollow structure; the elastic piece is fixedly arranged at the top and the bottom of the eye-splice parent body; the eye-splice sub-body is fixedly arranged at the top end of the elastic strip B, and the eye-splice sub-body is inserted into the eye-splice parent body; the main body of the eye-splice body is of a W-shaped structure, the rear side of the eye-splice body is attached to the outer side of the eye-splice body, and the top and the bottom of the eye-splice body are attached to the inner side of the elastic piece.

Further, the fixing mechanism includes: the device comprises a fixed seat, a baffle, a rotating shaft and a fixed plate; the fixing seat is fixedly arranged at the bottom of the front side of the life jacket main body, and the fixing seat main body is of a C-shaped structure; the number of the fixing seats is two, and square rings are movably connected to the inner sides of the fixing seats; the baffle is fixedly arranged at the front side of the fixed seat, and the baffle main body is of an L-shaped structure; the rotating shaft is rotatably arranged in the top side of the fixed seat, and a torsion spring piece is arranged between the rotating shaft and the fixed seat; the fixed plate is fixedly arranged on the outer side of the rotating shaft, and the front side of the fixed plate is attached to the inner side of the baffle.

Further, the first buoyancy device includes: the fixing bag, the first zipper strip B, the floating body A, the fixing sleeve and the connecting ring; the fixed bags are fixedly arranged on the outer side of the life jacket main body, and the number of the fixed bags is eight groups; the first zipper strip B is fixedly arranged on the inner side of the top of the fixed bag, and is meshed with the first zipper strip A; the floating body A is arranged at the inner side of the fixed bag; the fixed sleeve is fixedly arranged at the outer side of the fixed bag; the connecting ring is movably arranged in the fixing sleeve.

Further, the engagement device includes: the hook body, the stop block, the connecting shaft, the rotating rod and the connecting groove; the hook body is movably arranged at the inner side of the connecting ring; the stop block is fixedly arranged at the top of the hook body; the connecting shaft is rotatably arranged in the bottom side of the hook body, and a torsion spring piece is arranged between the connecting shaft and the hook body; the rotating rod is fixedly arranged at the outer side of the connecting shaft; the engagement groove is formed in the top side of the rotating rod, and a stop block is slidably arranged in the engagement groove.

Further, the engagement device further includes: a fixed cylinder, a sliding ring and a protective cylinder; the fixed cylinder is fixedly arranged on the outer side of the rotating rod; the sliding ring is arranged in the fixed cylinder in a sliding way, and a spring piece is arranged between the outer side of the sliding ring and the inside of the fixed cylinder; the protection cylinder is fixedly arranged in the sliding ring, and the protection cylinder is slidably arranged in the fixed cylinder; the protection cylinder is arranged on the outer side of the rotating rod in a sliding way, and the protection cylinder is movably arranged on the outer side of the hook body.

Further, the second buoyancy device includes: the floating body comprises a fixed ring, a buoyancy bag, a third zipper strip A, a third zipper strip B and a floating body B; the fixed rings are movably arranged at the inner side of the hook body, and the number of the fixed rings is eight groups; the buoyancy bag is fixedly arranged between the bottoms of the two groups of fixing rings; the third zipper strip A is fixedly arranged at the top of the inner side of the buoyancy bag; the third zipper strip B is fixedly arranged at the bottom of the inner side of the buoyancy bag, and is meshed with the third zipper strip A; the floating body B is arranged inside the buoyancy bag.

Advantageous effects

1 the invention realizes the effect of independently replacing the reflective material and the buoyancy material by arranging the striking mechanism, the first zipper strip A, the first zipper strip B and the connecting device; and the buoyancy of the life jacket can be simply and conveniently adjusted according to the specific weight of a user, so that the practicability of the life jacket structure is enhanced.

2. By providing a first fastener chain a and a first fastener chain B and a third fastener chain a and a third fastener chain B; the effect of easily and conveniently disassembling and replacing the floating body A and the floating body B is achieved; the purpose of replacing the reflective strips easily and conveniently is achieved by using the hook surface and the magic tape surface; compared with the existing life jacket structure, the buoyancy material and the light reflecting material can be replaced more simply, and the phenomenon that the light reflecting material and the buoyancy material are not convenient to detach and replace independently when damaged is avoided.

3. The connecting device is arranged, so that the effect of hanging and installing the second buoyancy device is realized quickly and conveniently, the aim of splicing and combining the second buoyancy device on the outer side of the life jacket main body is fulfilled, the effect of adjusting the buoyancy of the life jacket structure according to the specific weight of a user is achieved, and the life jacket structure is beneficial to enhancing the life-saving effect; the double protection effect on the fixed ring is realized by arranging the protection cylinder, the stop block and the engagement groove, so that the phenomenon of separation between the fixed ring and the hook body is prevented; the stability of the second buoyancy means is enhanced.

4. The effect of opening or connecting the two sides of the life jacket main body is realized by arranging the eye-splice parent body, the eye-splice sub-body and the elastic piece; the life jacket main body is spread for airing or drying after being used; the life jacket is beneficial to being used for the second time; through being provided with second zip fastener A and second zip fastener B, realized the effect that the person of facilitating the use dresses the life vest main part, strengthened life vest structure's convenience.

5. The fixing plate, the baffle plate and the torsion spring piece are arranged, so that the effect of fixing the square ring on the inner side of the fixing seat is realized easily and conveniently, and the purpose that the fixing strip passes through the inner side of the thigh of a user is achieved; the effect of preventing the buoyancy effect on a user from being reduced due to upward movement of the life jacket structure caused by buoyancy when the life jacket structure is used is achieved; is beneficial to enhancing rescue effect.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.

In the drawings:

fig. 1 is a schematic view of the overall structure of a life jacket according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a striking mechanism of a life jacket according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a connection mechanism of a life jacket according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a first buoyancy means of a life jacket according to an embodiment of the present invention;

fig. 5 is a schematic view of a connection structure of the engagement device of the life jacket and the second buoyancy device according to the embodiment of the present invention;

fig. 6 is a schematic structural view of a second buoyancy means of the life jacket of the embodiment of the present invention;

fig. 7 is a schematic structural view of an engagement device of a life jacket according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a hook body of a life jacket according to an embodiment of the present invention;

fig. 9 is a schematic view showing an internal structure of a fixing cylinder of a life jacket according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a fixing mechanism of a life jacket according to an embodiment of the present invention.

List of reference numerals

1. A life jacket main body; 101. a first fastener stringer A; 102. a second fastener stringer A; 103. a second fastener stringer B; 104. a fixing strip; 105. a square ring;

2. a striking mechanism; 201. magic tape surface; 202. hook surface of the magic tape; 203. a reflective strip;

3. a connecting mechanism; 301. an elastic strip A; 302. an elastic strip B; 303. inserting and buckling a parent body; 304. an elastic sheet; 305. a buckle sub-body;

4. a fixing mechanism; 401. a fixing seat; 402. a baffle; 403. a rotating shaft; 404. a fixing plate;

5. a first buoyancy device; 501. fixing the bag; 502. a first fastener stringer B; 503. a floating body A; 504. a fixed sleeve; 505. a connecting ring;

6. a linking device; 601. a hook body; 6011. a stop block; 602. a connecting shaft; 603. a rotating lever; 6031. a connection groove; 604. a fixed cylinder; 605. a slip ring; 606. a protective cylinder;

7. a second buoyancy device; 701. a fixing ring; 702. a buoyancy bag; 703. a third fastener stringer A; 704. a third fastener stringer B; 705. and a floating body B.

Description of the embodiments

In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Examples: please refer to fig. 1 to 10:

the invention provides a spliced combined life jacket structure, which comprises a life jacket main body 1;

a second zipper A102 is fixedly arranged on one side of the front part of the life jacket main body 1, a second zipper B103 is fixedly arranged on the other side of the front part of the life jacket main body 1, and the second zipper A102 and the second zipper B103 are symmetrically arranged; the outer side of the life jacket main body 1 is fixedly provided with a first zipper A101, and the first zipper A101 is symmetrically arranged; the outer side of the top of the life jacket main body 1 is fixedly provided with a striking mechanism 2, and the inner side of the life jacket main body 1 is fixedly provided with a connecting mechanism 3; the striking mechanism 2 includes: a magic tape surface 201, a magic tape hook surface 202 and a reflective strip 203; the magic tape surface 201 is fixedly arranged on the outer side of the top of the life jacket main body 1; the hook surface 202 is adhered to the top of the hook surface 201, the number of the hook surface 202 and the number of the hook surface 201 are two, and the hook surface 202 and the hook surface 201 are symmetrically arranged; the reflective strip 203 is fixedly arranged on the top of the hook surface 202 of the magic tape; the concrete functions are as follows: the purpose of replacing the reflective strip 203 easily and conveniently is achieved by using the hook surface 202 and the magic tape surface 201; compared with the existing life jacket structure, the buoyancy material and the reflective material can be replaced more simply, and the phenomenon that the reflective material and the buoyancy material are inconvenient to detach and replace independently when the reflective material and the buoyancy material are damaged is avoided; the bottom of the front side of the life jacket main body 1 is fixedly provided with a fixing mechanism 4, the outer side of the life jacket main body 1 is fixedly provided with a first buoyancy device 5, and eight parts of the first buoyancy device 5 are arranged; the first buoyancy means 5 comprises: a fixed bag 501, a first zipper strip B502, a floating body A503, a fixed sleeve 504 and a connecting ring 505; the fixing bags 501 are fixedly arranged on the outer side of the life jacket main body 1, and the number of the fixing bags 501 is eight; the first zipper strip B502 is fixedly arranged on the inner side of the top of the fixed bag 501, and the first zipper strip B502 is meshed with the first zipper strip A101; the floating body A503 is arranged at the inner side of the fixed bag 501; the fixing sleeve 504 is fixedly arranged outside the fixing bag 501; the connecting ring 505 is movably arranged inside the fixed sleeve 504; the concrete functions are as follows: by being provided with a first fastener chain a101 and a first fastener chain B502 and a third fastener chain a703 and a third fastener chain B704; the effect of easily and conveniently disassembling and replacing the floating body A503 and the floating body B705 is realized; compared with the existing life jacket structure, the buoyancy material and the reflective material can be replaced more simply, and the phenomenon that the reflective material and the buoyancy material are inconvenient to detach and replace independently when the reflective material and the buoyancy material are damaged is avoided; the outer side of the first buoyancy device 5 is provided with a connecting device 6, and the outer side of the connecting device 6 is provided with a second buoyancy device 7; the engagement means 6 further comprises: a fixed cylinder 604, a sliding ring 605 and a protective cylinder 606; the fixed cylinder 604 is fixedly arranged outside the rotating rod 603; the sliding ring 605 is slidably arranged inside the fixed cylinder 604, and a spring member is arranged between the outer side of the sliding ring 605 and the inside of the fixed cylinder 604; the protective cylinder 606 is fixedly arranged inside the sliding ring 605, and the protective cylinder 606 is slidably arranged inside the fixed cylinder 604; the protective cylinder 606 is arranged on the outer side of the rotating rod 603 in a sliding way, and the protective cylinder 606 is movably arranged on the outer side of the hook body 601; the concrete functions are as follows: by arranging the protection cylinder 606, the stop block 6011 and the engagement groove 6031, the double protection effect on the fixing ring 701 is realized, and the phenomenon of separation between the fixing ring 701 and the hook body 601 is prevented; the stability of the second buoyancy means 7 is enhanced.

Wherein, two groups of fixing strips 104 are fixedly arranged at the bottom of the rear side of the life jacket main body 1, and the two groups of fixing strips 104 are symmetrically arranged; square rings 105 are rotatably arranged inside the bottom side of the fixing strip 104, and the number of the square rings 105 is two; the concrete functions are as follows: by the aid of the fixing plate 404, the baffle plate 402 and the torsion spring, the square ring 105 is easily and conveniently fixed on the inner side of the fixing seat 401, and the fixing strip 104 penetrates through the inner side of thighs of a user; the effect of preventing the buoyancy effect on a user from being reduced due to upward movement of the life jacket structure caused by buoyancy when the life jacket structure is used is achieved; is beneficial to enhancing rescue effect.

Wherein the connection mechanism 3 comprises: elastic strip a301, elastic strip B302, buckle parent 303, elastic piece 304, and buckle child 305; the elastic strip A301 is fixedly arranged on one side of the inside of the life jacket main body 1; the elastic strip B302 is fixedly arranged on the other side of the inside of the life jacket main body 1, and the elastic strip B302 and the elastic strip A301 are symmetrically arranged; the eye-splice parent body 303 is fixedly arranged at the top end of the elastic strip A301, the eye-splice parent body 303 is of a T-shaped structure, and the interior of the eye-splice parent body 303 is of a hollow structure; the elastic sheet 304 is fixedly arranged at the top and the bottom of the eye-splice matrix 303; the insert button sub-body 305 is fixedly arranged at the top end of the elastic strip B302, and the insert button sub-body 305 is inserted into the insert button parent body 303; the main body of the eye-splice sub-body 305 is in a W-shaped structure, the rear side of the eye-splice sub-body 305 is attached to the outer side of the eye-splice parent body 303, and the top and the bottom of the eye-splice sub-body 305 are attached to the inner side of the elastic piece 304; the concrete functions are as follows: by providing the buckle parent 303, the buckle child 305 and the elastic piece 304, the effect of opening or connecting the two sides of the life jacket main body 1 is achieved; the life jacket main body 1 is beneficial to being spread for airing or drying after being used; is favorable for secondary use of the life jacket.

Wherein, the fixed establishment 4 includes: a fixed seat 401, a baffle 402, a rotating shaft 403 and a fixed plate 404; the fixing seat 401 is fixedly arranged at the bottom of the front side of the life jacket main body 1, and the main body of the fixing seat 401 is of a C-shaped structure; the number of the fixing seats 401 is two, and square rings 105 are movably connected to the inner sides of the fixing seats 401; the baffle 402 is fixedly arranged on the front side of the fixed seat 401, and the baffle 402 body is of an L-shaped structure; the rotating shaft 403 is rotatably arranged inside the top side of the fixed seat 401, and a torsion spring piece is arranged between the rotating shaft 403 and the fixed seat 401; the fixed plate 404 is fixedly arranged outside the rotating shaft 403, and the front side of the fixed plate 404 is attached to the inner side of the baffle 402; the concrete functions are as follows: by the aid of the fixing plate 404, the baffle plate 402 and the torsion spring, the square ring 105 is easily and conveniently fixed on the inner side of the fixing seat 401, and the fixing strip 104 penetrates through the inner side of thighs of a user; the effect of preventing the buoyancy effect on a user from being reduced due to upward movement of the life jacket structure caused by buoyancy when the life jacket structure is used is achieved; is beneficial to enhancing rescue effect.

Wherein the engagement means 6 comprises: hook 601, block 6011, engagement shaft 602, rotation rod 603 and engagement groove 6031; the hook body 601 is movably arranged on the inner side of the connecting ring 505; the stop block 6011 is fixedly arranged at the top of the hook body 601; the engagement shaft 602 is rotatably arranged inside the bottom side of the hook body 601, and a torsion spring member is arranged between the engagement shaft 602 and the hook body 601; the rotating rod 603 is fixedly arranged outside the connecting shaft 602; the engagement groove 6031 is formed in the top side of the rotating rod 603, and a stop block 6011 is slidably arranged in the engagement groove 6031; the concrete functions are as follows: through being provided with the linking device 6, realized quick convenient effect of hanging the installation with second buoyancy device 7, reached the purpose of quick with second buoyancy device 7 concatenation combination in life vest main part 1 outside, played the effect of adjusting life vest structure's buoyancy according to user's specific weight, be favorable to reinforcing life saving effect.

Wherein the second buoyancy means 7 comprises: a securing ring 701, a buoyancy bag 702, a third zipper strip a703, a third zipper strip B704, and a floating body B705; the fixing rings 701 are movably arranged on the inner side of the hook body 601, and the number of the fixing rings 701 is eight groups; the buoyancy bag 702 is fixedly arranged between the bottoms of the two groups of fixing rings 701; the third zipper strip A703 is fixedly arranged on the top of the inner side of the buoyancy bag 702; the third zipper strip B704 is fixedly arranged at the bottom of the inner side of the buoyancy bag 702, and the third zipper strip B704 is meshed with the third zipper strip A703; float B705 is disposed inside buoyancy bag 702; the concrete functions are as follows: by being provided with a first fastener chain a101 and a first fastener chain B502 and a third fastener chain a703 and a third fastener chain B704; the effect of easily and conveniently disassembling and replacing the floating body A503 and the floating body B705 is realized; compared with the existing life jacket structure, the buoyancy material and the light reflecting material can be replaced more simply, and the phenomenon that the light reflecting material and the buoyancy material are not convenient to detach and replace independently when damaged is avoided.

Specific use and action of the embodiment: in the invention, when in use, the life jacket main body 1 is worn on the outer side of a human body, the second zipper chain A102 and the second zipper chain B103 are meshed through the zipper heads, then the square ring 105 presses the fixed plate 404, the fixed plate 404 rotates, the square ring 105 slides into the inner side of the fixed seat 401, the fixed plate 404 resets through the torsion spring piece and the rotating shaft 403, so that the square ring 105 is fixed on the inner side of the fixed seat 401, and the fixed strip 104 passes through the inner side of the thigh of a user; so that the life jacket body 1 is limited to the outside of the upper body of the user; the effect of preventing the buoyancy effect on a user from being reduced due to upward movement of the life jacket structure caused by buoyancy when the life jacket structure is used is achieved; the rescue effect is enhanced; pulling down on the protective cylinder 606 and pressing down on the rotating rod 603 places the hook 601 inside the connecting ring 505; the rotating rod 603 is reset through the torsion spring member, so that the stop block 6011 slides into the inner side of the engagement groove 6031; the guard cylinder 606 slides up through the spring member and the slip ring 605 so that the top of the guard cylinder 606 is located outside the hook body 601; thereby securing the hook 601 to the outside of the attachment ring 505; so that the second buoyancy means 7 is hung outside the life jacket body 1; the purpose of quickly splicing and combining the second buoyancy device 7 on the outer side of the life jacket main body 1 is achieved, the buoyancy of the life jacket structure is regulated according to the specific weight of a user, and the life jacket structure is beneficial to enhancing the life-saving effect; when the life jacket main body 1 is used, the elastic piece 304 is pressed, so that the elastic piece 304 presses the top and the bottom of the eye-splice sub-body 305 simultaneously, and the eye-splice sub-body 305 slides out of the eye-splice parent 303, so that the life jacket main body 1 can be tiled; the effect of opening or connecting the two sides of the life jacket main body 1 is realized; the life jacket main body 1 is beneficial to being spread for airing or drying after being used; the life jacket is beneficial to being used for the second time; by being provided with a first fastener chain a101 and a first fastener chain B502 and a third fastener chain a703 and a third fastener chain B704; the effect of easily and conveniently disassembling and replacing the floating body A503 and the floating body B705 is realized; the purpose of replacing the reflective strip 203 easily and conveniently is achieved by using the hook surface 202 and the magic tape surface 201; compared with the existing life jacket structure, the buoyancy material and the light reflecting material can be replaced more simply, and the phenomenon that the light reflecting material and the buoyancy material are not convenient to detach and replace independently when damaged is avoided.

Claims

1. The spliced combined life jacket structure is characterized by comprising a life jacket main body (1);

a second zipper A (102) is fixedly arranged on one side of the front part of the life jacket main body (1), a second zipper B (103) is fixedly arranged on the other side of the front part of the life jacket main body (1), and the second zipper A (102) and the second zipper B (103) are symmetrically arranged; the outer side of the life jacket main body (1) is fixedly provided with a first zipper A (101), and the first zipper A (101) is symmetrically arranged; the outer side of the top of the life jacket main body (1) is fixedly provided with a striking mechanism (2), and the inner side of the life jacket main body (1) is fixedly provided with a connecting mechanism (3); the bottom of the front side of the life jacket main body (1) is fixedly provided with a fixing mechanism (4), the outer side of the life jacket main body (1) is fixedly provided with a first buoyancy device (5), and the first buoyancy device (5) is provided with eight parts; the outer side of the first buoyancy device (5) is provided with a connecting device (6), and the outer side of the connecting device (6) is provided with a second buoyancy device (7).

2. A spliced modular life jacket structure as claimed in claim 1, wherein: two groups of fixing strips (104) are fixedly arranged at the bottom of the rear side of the life jacket main body (1), and the two groups of fixing strips (104) are symmetrically arranged; square rings (105) are rotatably arranged inside the bottom side of the fixing strip (104), and the number of the square rings (105) is two.

3. A spliced modular life jacket structure as claimed in claim 1, wherein: the striking mechanism (2) comprises: a magic tape surface (201), a magic tape hook surface (202) and a reflective strip (203); the magic tape surface (201) is fixedly arranged on the outer side of the top of the life jacket main body (1); the hook surface (202) is adhered to the top of the hook surface (201), the number of the hook surface (202) and the number of the hook surface (201) are two, and the hook surface (202) and the hook surface (201) are symmetrically arranged; the reflective strip (203) is fixedly arranged at the top of the hook surface (202).

4. A spliced modular life jacket structure as claimed in claim 1, wherein: the connection mechanism (3) comprises: an elastic strip A (301), an elastic strip B (302), a buckle parent body (303), an elastic sheet (304) and a buckle child body (305); the elastic strip A (301) is fixedly arranged at one side of the inside of the life jacket main body (1); the elastic strip B (302) is fixedly arranged on the other side of the inside of the life jacket main body (1), and the elastic strip B (302) and the elastic strip A (301) are symmetrically arranged; the eye-splice parent body (303) is fixedly arranged at the top end of the elastic strip A (301), the eye-splice parent body (303) is of a T-shaped structure, and the interior of the eye-splice parent body (303) is of a hollow structure; the elastic sheet (304) is fixedly arranged at the top and the bottom of the eye-splice parent body (303); the eye-splice sub-body (305) is fixedly arranged at the top end of the elastic strip B (302), and the eye-splice sub-body (305) is inserted into the eye-splice parent body (303); the main body of the eye-splice sub body (305) is of a W-shaped structure, the rear side of the eye-splice sub body (305) is attached to the outer side of the eye-splice parent body (303), and the top and the bottom of the eye-splice sub body (305) are attached to the inner side of the elastic piece (304).

5. A spliced modular life jacket structure as claimed in claim 2, wherein: the fixing mechanism (4) includes: a fixed seat (401), a baffle (402), a rotating shaft (403) and a fixed plate (404); the fixing seat (401) is fixedly arranged at the bottom of the front side of the life jacket main body (1), and the fixing seat (401) main body is of a C-shaped structure; the number of the fixing seats (401) is two, and square rings (105) are movably connected to the inner sides of the fixing seats (401); the baffle plate (402) is fixedly arranged on the front side of the fixed seat (401), and the baffle plate (402) body is of an L-shaped structure; the rotating shaft (403) is rotatably arranged inside the top side of the fixed seat (401), and a torsion spring piece is arranged between the rotating shaft (403) and the fixed seat (401); the fixed plate (404) is fixedly arranged outside the rotating shaft (403), and the front side of the fixed plate (404) is attached to the inner side of the baffle plate (402).

6. A spliced modular life jacket structure as claimed in claim 1, wherein: the first buoyancy means (5) comprises: a fixed bag (501), a first zipper strip B (502), a floating body A (503), a fixed sleeve (504) and a connecting ring (505); the fixing bags (501) are fixedly arranged on the outer side of the life jacket main body (1), and the number of the fixing bags (501) is eight groups; the first zipper strip B (502) is fixedly arranged on the inner side of the top of the fixed bag (501), and the first zipper strip B (502) is meshed with the first zipper strip A (101); the floating body A (503) is arranged at the inner side of the fixed bag (501); the fixing sleeve (504) is fixedly arranged at the outer side of the fixing bag (501); the connecting ring (505) is movably arranged inside the fixed sleeve (504).

7. A spliced modular life jacket structure as in claim 6, wherein: the engagement means (6) comprises: the hook body (601), the stop block (6011), the connecting shaft (602), the rotating rod (603) and the connecting groove (6031); the hook body (601) is movably arranged at the inner side of the connecting ring (505); the stop block (6011) is fixedly arranged at the top of the hook body (601); the connecting shaft (602) is rotatably arranged inside the bottom side of the hook body (601), and a torsion spring piece is arranged between the connecting shaft (602) and the hook body (601); the rotating rod (603) is fixedly arranged at the outer side of the connecting shaft (602); the engagement groove (6031) is formed in the top side of the rotating rod (603), and a stop block (6011) is arranged in the engagement groove (6031) in a sliding mode.

8. A spliced modular life jacket structure as claimed in claim 7, wherein: the engagement device (6) further comprises: a fixed cylinder (604), a sliding ring (605) and a protective cylinder (606); the fixed cylinder (604) is fixedly arranged outside the rotating rod (603); the sliding ring (605) is arranged in the fixed cylinder (604) in a sliding way, and a spring piece is arranged between the outer side of the sliding ring (605) and the inside of the fixed cylinder (604); the protection cylinder (606) is fixedly arranged inside the sliding ring (605), and the protection cylinder (606) is slidably arranged inside the fixed cylinder (604); the protective cylinder (606) is arranged on the outer side of the rotating rod (603) in a sliding way, and the protective cylinder (606) is movably arranged on the outer side of the hook body (601).

9. A spliced modular life jacket structure as claimed in claim 7, wherein: the second buoyancy means (7) comprises: a fixing ring (701), a buoyancy bag (702), a third zipper strip A (703), a third zipper strip B (704) and a floating body B (705); the fixing rings (701) are movably arranged on the inner side of the hook body (601), and the number of the fixing rings (701) is eight groups; the buoyancy bag (702) is fixedly arranged between the bottoms of the two groups of fixing rings (701); the third zipper strip A (703) is fixedly arranged at the top of the inner side of the buoyancy bag (702); the third zipper strip B (704) is fixedly arranged at the bottom of the inner side of the buoyancy bag (702), and the third zipper strip B (704) is meshed with the third zipper strip A (703); float B (705) is disposed inside buoyancy bag (702).