CN211932811U

CN211932811U - Multistage protection type safety helmet

Info

Publication number: CN211932811U
Application number: CN202020293064.6U
Authority: CN
Inventors: 陈杰; 陈�峰; 孔婷婷; 付海娟
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-17
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a multistage protection type safety helmet, including the cap shell, be provided with first cavity in the cap shell, be provided with symmetrical air chamber about a set of in the first cavity, it is a set of be provided with communicating connecting pipe between the air chamber, the lower part of first cavity is provided with the second cavity, be provided with a plurality of damper in the second cavity, the lower part of second cavity is provided with the buffer block, the bottom of buffer block agrees with and is provided with the bearing area, the other end fixed connection installation piece in bearing area, left side be provided with the bolt groove on the installation piece, the right side be provided with the regulation band on the installation piece, the bottom mounting of regulation band is provided with the bolt and detains, just the bolt groove with the bolt is detained and is agreed with the embedding installation mutually. The utility model has the advantages of reasonable design, the multistage protective effect of safety helmet has been realized.

Description

Multistage protection type safety helmet

Technical Field

The utility model relates to a safety protection articles for use technical field specifically is a multistage protection type safety helmet.

Background

The safety helmet is a shallow round cap made of steel or similar raw materials and worn for protecting the top of the head, and is a protective article for preventing impact objects from hurting the head. Consists of a hat shell, a hat lining, a lower cheek band and a rear hoop. The cap shell is hemispherical, firm, smooth and elastic, and the impact and puncture kinetic energy of the hit object are mainly borne by the cap shell. A certain space is left between the helmet shell and the helmet liner, and the instantaneous impact force can be buffered and dispersed, so that the direct damage to the head is avoided or reduced. Impact absorption performance, puncture resistance, lateral rigidity, electrical insulation, and flame retardancy are requirements for basic technical properties of the helmet.

However, the existing safety helmet for building is simple in structural design and single in function, and most of the damping devices on the inner side of the safety helmet adopt a common supporting structure or a cushion pad for damping, so that although a certain protection effect can be achieved, the protection effect is limited, and the protection effect is not good when large impact load exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage protection type safety helmet to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multistage protective safety helmet comprises a helmet shell, wherein a first cavity is arranged in the helmet shell, a group of air chambers which are symmetrical left and right are arranged in the first cavity, a connecting pipe communicated with the air chambers is arranged between the air chambers, a second cavity is arranged at the lower part of the first cavity, a plurality of damping mechanisms are arranged in the second cavity, each damping mechanism comprises a sleeve, an elastic part and a sliding rod, the sleeve is arranged at the bottom of the second cavity, one end of the elastic part is fixedly arranged at the bottom of an inner cavity of the sleeve, the other end of the elastic part is fixedly connected with the sliding rod, the sliding rod is in sliding connection with the sleeve, the top of the sliding rod is fixedly arranged at the top of the second cavity, a buffer block is arranged at the lower part of the second cavity, a bearing belt is arranged at the bottom of the buffer block in a matching manner, and a mounting block is fixedly connected at the, the left side be provided with the bolt groove on the installation piece, the right side be provided with the regulation band on the installation piece, the bottom mounting of regulation band is provided with the bolt and detains, just the bolt groove with the bolt is detained and is agreed with the embedding installation mutually.

Preferably, a certain number of support columns are arranged in the air chamber, and the support columns are elastic bodies.

Preferably, the damping mechanisms are distributed in the second cavity at equal intervals, and the number of the damping mechanisms is at least 5.

Preferably, the number of the bearing belts is 4 in total, and the bearing belts are symmetrically arranged around the buffer block.

Preferably, the front end of the cap shell is provided with a cap peak, and the cap peak and the cap shell are of an integrated structure.

Preferably, a buffer pad is arranged on the adjusting belt.

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

the utility model can effectively protect the head of a person from being injured by falling objects through the three-level protection mechanism arranged in the cap shell, the air chambers on the left side and the right side in the first cavity arranged in the cap shell are communicated through the connecting pipe, when the falling objects fall, the air chambers can generate deformation to absorb the received impact force, the air chambers on the left side and the right side can generate a balance effect on the impact force due to the connecting pipe communicated between the air chambers, in addition, the supporting columns arranged can play a role of rebound support, a plurality of damping mechanisms designed in the second cavity arranged at the lower part of the first cavity can effectively slow down the vibration received by the cap shell, protect the head, the buffer block arranged under the second cavity and the bearing belt arranged on the buffer block in a matching way, can further relieve the vibration, and realize multi-level protection, and strengthen the supporting and damping effects between the inside of the cap shell and the head, thereby effectively increasing the protectiveness of safety helmet, overall structure is simple, reasonable in design, and the practicality is strong, has advantages such as excellent in use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-stage protective helmet of the present invention;

FIG. 2 is a schematic view of the multi-stage protective helmet of the present invention;

fig. 3 is a schematic view of a structure at a position a in fig. 1 of the multi-stage protective safety helmet of the present invention.

In the figure: 1. a cap shell; 2. a first cavity; 3. an air chamber; 4. a connecting pipe; 5. a second cavity; 6. A damping mechanism; 7. a sleeve; 8. an elastic member; 9. a slide bar; 10. a buffer block; 11. a load-bearing belt; 12. mounting blocks; 13. a latch slot; 14. an adjustment belt; 15. a latch buckle; 16. a support pillar; 17. a brim; 18. a cushion pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-stage protective safety helmet comprises a helmet shell 1, a first cavity 2 is arranged in the helmet shell 1, a group of air chambers 3 which are symmetrical left and right are arranged in the first cavity 2, a connecting pipe 4 which is communicated with the air chambers 3 is fixedly connected between the air chambers 3, a second cavity 5 is arranged at the lower part of the first cavity 2, a plurality of damping mechanisms 6 are arranged in the second cavity 5, each damping mechanism 6 comprises a sleeve 7, an elastic part 8 and a sliding rod 9, the sleeves 7 are welded and arranged at the bottom of the second cavity 5, one end of each elastic part 8 is fixedly connected and arranged at the bottom of the inner cavity of the sleeve 7, the other end of each elastic part 8 is fixedly connected and welded with the sliding rod 9, the sliding rods 9 are connected with the sleeves 7 in a sliding manner, the tops of the sliding rods 9 are fixedly welded and arranged at the tops of the second cavities 5, a buffer block 10 is arranged on the lower part of the second cavity 5 through screws, a bearing belt, the left side installation block 12 is fixedly provided with a bolt slot 13, the right side installation block 12 is fixedly connected with an adjusting belt 14, the bottom end of the adjusting belt 14 is fixedly welded with a bolt buckle 15, and the bolt slot 13 and the bolt buckle 15 are matched and embedded.

A certain number of support columns 16 are arranged in the air chamber 3, and the support columns 16 are elastic bodies, so that the rebound support effect can be achieved; the damping mechanisms 6 are distributed in the second cavities 5 at equal intervals, and at least 5 damping mechanisms are arranged, so that the effect of uniformly damping vibration can be achieved, and the whole helmet shell 1 is protected; the number of the bearing belts 11 is 4, and the bearing belts 11 are symmetrically distributed around the buffer block 10, so that the impact force can be fully dispersed, and the protection effect of the safety helmet is enhanced; the front end of the cap shell 1 is fixedly connected with the cap brim 17, and the cap brim 17 and the cap shell 1 are of an integrated structure and can play a certain role in shading light; the adjusting belt 14 is provided with a cushion pad 18 which can effectively protect the lower jaw of a person.

The working principle is as follows: when the utility model is used, an operator wears the safety helmet on the head, then the fixing degree between the safety helmet and the head is adjusted through the adjusting belt 14 and the bolt slot 13 on the bolt buckle 15, then the cushion pad 18 is placed on the jaw to play the role of protection, in addition, the three-level protection mechanism arranged in the helmet shell 1 can effectively protect the head from being hurt by falling objects, the air chambers 3 on the left and right sides in the first cavity 2 arranged in the helmet shell 1 are communicated through the connecting pipe 4, when the falling objects fall, the air chambers 3 can generate deformation to absorb the received impact force, because the connecting pipe 4 communicated between the air chambers 3, the air chambers 3 on the left and right sides can generate the balance effect on the impact force, in addition, the supporting column 16 is arranged to play the role of rebound support, the plurality of damping mechanisms 6 are designed in the second cavity 5 arranged at the lower part of the first cavity 2, can effectively slow down the vibration that cap shell 1 received, the protection head, buffer block 10 that sets up under the

second cavity

5 and 4 bearing areas 11 that agree with the setting on buffer block 10, and bearing area 11 symmetric distribution around buffer block 10, such design can the homodisperse impact force, further slow down the vibration, multistage protection, strengthen the support shock attenuation effect between 1 inside and the head of cap shell, thereby effectively increase the protectiveness of safety helmet, the device overall design is reasonable, and the safety helmet has the advantages of simple operation, high durability and convenient use, excellent use effect and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a multistage protection type safety helmet, includes cap shell (1), its characterized in that: a first cavity (2) is arranged in the cap shell (1), a group of air chambers (3) which are symmetrical left and right are arranged in the first cavity (2), a connecting pipe (4) which is communicated with the air chambers (3) is arranged between the air chambers (3), a second cavity (5) is arranged at the lower part of the first cavity (2), a plurality of damping mechanisms (6) are arranged in the second cavity (5), each damping mechanism (6) comprises a sleeve (7), an elastic part (8) and a sliding rod (9), the sleeve (7) is arranged at the bottom of the second cavity (5), one end of each elastic part (8) is fixedly arranged at the bottom of the inner cavity of the sleeve (7), the other end of each elastic part (8) is fixedly connected with the sliding rod (9), the sliding rod (9) is in sliding connection with the sleeve (7), and the top of the sliding rod (9) is fixedly arranged at the top of the second cavity (5), the lower part of second cavity (5) is provided with buffer block (10), the bottom of buffer block (10) agrees with and is provided with bearing belt (11), the other end fixed connection installation piece (12) of bearing belt (11), the left side be provided with bolt groove (13) on installation piece (12), the right side be provided with regulation band (14) on installation piece (12), the bottom mounting of regulation band (14) is provided with bolt knot (15), just bolt groove (13) with bolt knot (15) agree with the embedding installation mutually.

2. The multi-level protective headgear of claim 1, wherein: a certain number of support columns (16) are arranged in the air chamber (3), and the support columns (16) are elastic bodies.

3. The multi-level protective headgear of claim 1, wherein: the damping mechanisms (6) are distributed in the second cavity (5) at equal intervals, and the number of the damping mechanisms is at least 5.

4. The multi-level protective headgear of claim 1, wherein: the number of the bearing belts (11) is 4 in total, and the bearing belts (11) are symmetrically arranged on the periphery of the buffer block (10).

5. The multi-level protective headgear of claim 1, wherein: the front end of the hat shell (1) is provided with a hat brim (17), and the hat brim (17) and the hat shell (1) are of an integrated structure.

6. The multi-level protective headgear of claim 1, wherein: a buffer pad (18) is arranged on the adjusting belt (14).