CN212814369U

CN212814369U - Protective vest

Info

Publication number: CN212814369U
Application number: CN202021117150.8U
Authority: CN
Inventors: 崔鑫; 贺五四; 牛福存; 宋伟; 王龙志
Original assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Second Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-30
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a protective vest, which is used for workers working at high altitude to wear protective clothing, comprising a protective vest main body, judging whether the workers are in a falling state or not through acceleration, if not, not opening the protective vest, when the acceleration sensor detects that the speed is too high, the workers are considered to fall, a controller controls a gas generating device to inflate an air bag, the falling workers are buffered and protected, the passive safety factor of the workers is improved, and a safety guarantee is provided for the workers; and the first buffer block, the first buffer spring, the second buffer block, the second buffer spring, the first rack, the second rack and the transmission gear are arranged for linkage work, so that the buffer protection effect is good, and the safety of workers can be further protected.

Description

Protective vest

Technical Field

The utility model relates to a construction protection technical field specifically is a protection undershirt.

Background

At present, the working danger of high-altitude operators is very high, the core falling prevention facilities are safety belts and safety ropes, if sudden conditions including safety rope falling, safety belt loosening and the like occur, the safety of workers has no secondary guarantee measures, and in many cases, once the workers fall carelessly, the consequences are unreasonable; in order to avoid the reoccurrence of similar tragedy, it has great significance to the workman's life of high altitude construction provides secondary safety guarantee, for this, the utility model provides a protection undershirt is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to provide a protective vest to solve the problem proposed in the above background art.

In order to achieve the above object, the utility model provides a following technical scheme: a protective vest comprises a protective vest main body, wherein a containing fixing ring is arranged at the neck position of the protective vest main body, a neck extensible air bag is arranged in the containing fixing ring, a chest air bag is arranged on the protective vest main body, one end of the chest air bag is connected with an air duct, a fixing block is arranged at the side position of the chest air bag at equal distance of the protective vest main body, a first movable block is movably connected in the fixing block, one end of the first movable block is integrally connected with a first connecting spring, the other end of the first connecting spring is connected in the fixing block, a first buffer block is movably connected in the first movable block, the other end of the first buffer block is integrally connected with a first buffer spring, the other end of the first buffer spring is connected in the first movable block, first racks are symmetrically arranged at the two sides of the first movable block, the fixed block is provided with the second movable block at the bilateral symmetry swing joint of first movable block, second movable block one end integrated into one piece is connected and is provided with second coupling spring, the second coupling spring other end and connects the setting in the fixed block, swing joint is provided with the second buffer block in the second movable block, second buffer block one end integrated into one piece is connected and is provided with second buffer spring, the second buffer spring other end and connects the setting in the second movable block, one side in the second movable block is provided with the second rack, the first rack is connected in one side of drive gear, drive gear's opposite side meshing to the connection setting of second rack meshing.

Preferably, the tooth form angle and the modulus of the transmission gear are the same as those of the second rack and the first rack.

Preferably, the gas generating device is connected and arranged at one end of the gas guide tube, the controller is connected and arranged at the other end of the gas generating device, an acceleration sensor is arranged on the air bag, the neck of the air bag can extend out of the gas generating device, the acceleration sensor is 7700a1, the controller is electrically connected with the gas generating device and the acceleration sensor, an ignition device and a gas generating agent are arranged in the gas generating device, the ignition device and the gas generating agent comprise sodium azide NaN3, potassium nitrate KNO3, ferric oxide Fe2O3, ferrous carbonate FeCO3 and boron nitride BN, the gas generating agent point generates a large amount of nitrogen within tens of milliseconds, and the gas bag can be rapidly inflated and opened.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the high-altitude operation worker wears the protective clothing, judges whether the high-altitude operation worker is in a falling state or not through acceleration, does not start if the high-altitude operation worker is not in the falling state, and when the acceleration sensor detects that the speed is too high, the worker is considered to fall, the controller controls the gas generating device to inflate the air bag, so that the high-altitude operation worker who falls is buffered and protected, the passive safety coefficient of the high-altitude operation worker is improved, and a safety guarantee is provided for the worker;

2. and the first buffer block, the first buffer spring, the second buffer block, the second buffer spring, the first rack, the second rack and the transmission gear are arranged for linkage work, so that the buffer protection effect is good, and the safety of workers can be further protected.

Drawings

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

FIG. 2 is a right side view of the structural connection of the present invention;

fig. 3 is the utility model discloses the local cross-sectional view is connected to fixed block inner structure.

In the figure: the protective vest comprises a protective vest main body 1, a containing fixing ring 2, a neck extendable air bag 3, a chest air bag 4, an air duct 5, a fixing block 6, a first movable block 7, a first connecting spring 8, a first buffer block 9, a first buffer spring 10, a first rack 11, a second movable block 12, a second connecting spring 13, a second buffer block 14, a second buffer spring 15, a second rack 16 and a transmission gear 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work, all belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides a technical solution: a protective vest comprises a protective vest main body 1, wherein the neck of the protective vest main body 1 is provided with a storage fixing ring 2, the storage fixing ring 2 is internally provided with a neck extensible air bag 3, the protective vest main body 1 is provided with a chest air bag 4, one end of the chest air bag 4 is connected with an air guide tube 5, the protective vest main body 1 is provided with fixing blocks 6 at the side position of the chest air bag 4 at equal intervals, one end of the air guide tube 5 is connected with a gas generating device, the other end of the gas generating device is connected with a controller, the neck extensible air bag 3 is provided with an acceleration sensor, the acceleration sensor is 7700a1, the controller is electrically connected with the gas generating device and the acceleration sensor, the gas generating device is internally provided with an ignition device and a gas generating agent, and comprises sodium azide NaN3, KNO3, iron trioxide Fe2O3, sodium azide, Ferrous carbonate FeCO3 and boron nitride BN, the gas generating agent point then generates a large amount of nitrogen within tens of milliseconds, and the air bag can be rapidly inflated to open.

A first movable block 7 is movably connected and arranged in the fixed block 6, one end of the first movable block 7 is integrally connected and provided with a first connecting spring 8, the other end of the first connecting spring 8 is connected and arranged in the fixed block 6, a first buffer block 9 is movably connected and arranged in the first movable block 7, the other end of the first buffer block 9 is integrally connected and provided with a first buffer spring 10, the other end of the first buffer spring 10 is connected and arranged in the first movable block 7, first racks 11 are symmetrically arranged on two sides of the first movable block 7, the fixed block 6 is symmetrically movably connected and provided with second movable blocks 12 on two sides of the first movable block 7, one end of each second movable block 12 is integrally connected and provided with a second connecting spring 13, the other end of the second connecting spring 13 is connected and arranged in the fixed block 6, and a second buffer block 14 is movably connected and arranged in the second movable block 12, one end of the second buffer block 14 is integrally connected with a second buffer spring 15, the other end of the second buffer spring 15 is connected with the second movable block 12, one side of the second movable block 12 is provided with a second rack 16, the second rack 16 is meshed with one side of the transmission gear 17, the other side of the transmission gear 17 is meshed with the first rack 11, and the tooth form angle and the modulus of the transmission gear 17, the second rack 16 and the first rack 11 are the same.

The working principle is as follows: when the utility model is in operation, a high-altitude operation worker wears the protective clothing, judges whether the high-altitude operation worker is in a falling state through acceleration, if not, the high-altitude operation worker is not started, when the acceleration sensor detects that the speed is too high, the worker is considered to fall, the controller controls the gas generating device to inflate the air bag, the high-altitude operation worker falling is buffered and protected, and the protective clothing has good buffering and protecting effects through the linkage work effect of the arranged first buffer block 9, the first buffer spring 10, the second buffer block 12, the second buffer spring 13, the first rack 11, the second rack 16 and the transmission gear 17, when the protective clothing contacts the ground, when the first buffer block 9 and the second buffer block 14 are extruded, firstly, a certain buffering effect is achieved under the action of the first buffer spring 10 and the second buffer spring 15, and the positions of the first movable block 7 and the second movable block 12 are driven to be fixed, and then through setting up under first rack 11, second rack 16 and drive gear 17 linkage, can strengthen first buffer 9, first buffer spring 10 and second buffer 14, the buffer function of second buffer spring 15, consequently, can improve the passive factor of safety of high altitude construction people, provide a safety guarantee for the staff.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A protective vest comprises a protective vest main body (1), and is characterized in that: protection undershirt main part (1) is provided with in neck position and accomodates solid fixed ring (2), accomodate solid fixed ring (2) and be provided with neck and can stretch out air pocket (3), be provided with chest air pocket (4) on protection undershirt main part (1), the one end of chest air pocket (4) is connected and is provided with air duct (5) to protection undershirt main part (1) is provided with fixed block (6) at the avris position equidistance of chest air pocket (4), swing joint is provided with first movable block (7) in fixed block (6), the one end integrated into one piece of first movable block (7) is connected and is provided with first connecting spring (8), first connecting spring (8) other end is connected and is set up in fixed block (6), swing joint is provided with first buffer block (9) in first movable block (7), first buffer block (9) other end integrated into one piece is connected and is provided with first buffer spring (10), The other end of the first buffer spring (10) is connected and arranged in the first movable block (7), the bilateral symmetry of the first movable block (7) is provided with a first rack (11), the fixed block (6) is movably connected and arranged in the bilateral symmetry of the first movable block (7) and provided with a second movable block (12), one end of the second movable block (12) is integrally formed and connected with a second connecting spring (13), the other end of the second connecting spring (13) is connected and arranged in the fixed block (6), the second movable block (12) is movably connected and provided with a second buffer block (14), one end of the second buffer block (14) is integrally formed and connected with a second buffer spring (15), the other end of the second buffer spring (15) is connected and arranged in the second movable block (12), one side of the second movable block (12) is provided with a second rack (16), the second rack (16) is meshed and connected with one side of the transmission gear (17), and the other side of the transmission gear (17) is meshed and connected with the first rack (11).

2. The protective vest of claim 1, wherein: the transmission gear (17) has the same tooth form angle and modulus with the second rack (16) and the first rack (11).

3. The protective vest of claim 1, wherein: the gas generating device is connected and is provided with gas generator in the one end of air duct (5), the gas generator other end is connected and is provided with the controller, and the neck can stretch out and be provided with acceleration sensor on air pocket (3), acceleration sensor selects the model and is 7700a1, the controller and gas generator, acceleration sensor electricity is connected, settle in the gas generator has ignition and gas generating agent, including sodium azide NaN3, potassium nitrate KNO3, ferric oxide Fe2O3, ferrous carbonate FeCO3 and boron nitride BN, gas generating agent point then generates a large amount of nitrogen gas in tens of milliseconds, can quick inflation open the gasbag.