CN113057403B

CN113057403B - Top anti-collision safety helmet

Info

Publication number: CN113057403B
Application number: CN202110331293.1A
Authority: CN
Inventors: 康望才
Original assignee: Hunan Hankun Industrial Co ltd
Current assignee: Hunan Hankun Industrial Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2024-04-16
Anticipated expiration: 2041-03-29
Also published as: CN113057403A

Abstract

The invention discloses a top anti-collision safety helmet, which comprises a helmet shell, a helmet liner and a binding belt, wherein a buffer space is formed between the helmet shell and the helmet liner, a head top buffer device and a binding belt tightening device are arranged in the buffer space, the head top buffer device comprises an air bag fixedly connected to the helmet liner and an air inflation module embedded in the air bag, the air inflation module is downwards pressed to inflate the air bag when the helmet shell is impacted by external force, the air inflation module is extruded to inflate the air bag, the binding belt tightening device is provided with a gas storage bin communicated with the air bag, and the binding belt is arranged in the gas storage bin and performs lifting movement along the gas storage bin under the filling of air bag gas so as to tighten the binding belt. According to the top anti-collision safety helmet disclosed by the invention, the inflatable module is used for filling the gas into the air bag to enable the air bag to expand, so that a buffering effect is achieved, redundant gas in the air bag is discharged into the gas storage bin through the pipeline, the head can be protected when the top is impacted through the head top buffering device and the binding belt tightening device, and the safety helmet can be prevented from falling off.

Description

Top anti-collision safety helmet

Technical Field

The invention relates to the technical field of protective articles, in particular to a top anti-collision safety helmet.

Background

The safety helmet is a protective article for protecting the head from the impact and is made of steel or similar materials. Consists of a cap shell, a cap liner, 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 is mainly borne by the cap shell. A certain space is reserved between the cap shell and the cap liner, and the instantaneous impact force can be buffered and dispersed, so that the direct damage to the head is avoided or reduced. The life safety of the staff is well guaranteed to a certain extent.

In a safety accident, a weight falls from the top, the accident rate of top impact is far greater than that of other positions, and it is important to relieve the impact force of the top. Moreover, when the cap top is impacted, the safety cap is deviated, and the binding band falls off, so that the safety cap falls off from the cap top, and the safety protection function cannot be continuously played. Particularly, under the condition of continuous impact, the safety helmet is easy to fall off, and if the safety helmet falls off, the danger coefficient suffered by staff is greatly improved.

Disclosure of Invention

In order to solve the above technical problems, it is desirable to provide a top anti-collision safety helmet which can effectively buffer the collision of the top of the safety helmet and can effectively prevent the safety helmet from falling off in the collision process.

The technical scheme of the invention is realized as follows:

the utility model provides an anti-collision safety helmet in top, includes cap shell, cap liner and bandage, the cap shell with the cap liner interval sets up and is formed with a buffer space between the two, wherein, be equipped with overhead buffer and bandage tightening means in the buffer space, overhead buffer is located the safety helmet top, overhead buffer include fixed connection in gasbag on the cap liner and inlay locate be used for in the gasbag aerifys gaseous inflation module, inflation module with cap shell butt, the cap shell receives the external force impact time and pushes down inflation module, inflation module receives the extrusion to the inside gassing of gasbag, bandage tightening means have with the gas storage storehouse of gasbag intercommunication, the bandage is located in the gas storage storehouse and follow under the gaseous filling of gasbag the gas storage storehouse carries out the pulling motion in order to tighten up the bandage.

Preferably, the inflation module comprises a shell with a hollow interior and communicated with the air bag, a check block fixed in the shell and used for dividing the internal space of the shell into an upper bin and a lower bin, and a firing pin with one end fixed in the check block and the other end penetrating through the shell to the outside of the air bag, wherein the upper bin is communicated with the air bag, the top of the firing pin is abutted against the inner side wall of the cap shell, and the firing pin breaks the check block under the impact of external force so as to discharge the air in the lower bin into the air bag through the upper bin to bulge the air bag.

Preferably, the middle section of the shell protrudes outwards from the inside of the middle section of the shell to form a boss, and the grid is fixed at one end, close to the lower bin, of the boss.

Preferably, the side wall of the upper bin is provided with a vent hole, and the upper bin is connected with the air bag through the vent hole.

Preferably, the shell is made of rubber; the grid is made of glass; the firing pin is made of metal.

Preferably, the cap liner is provided with a plurality of ventilation openings, the cap brim of the cap shell is provided with a plurality of air outlets, the ventilation openings are communicated with the air outlets through the buffer space, the air outlets are provided with guide sheets, one ends of the guide sheets are positioned in the buffer space, and the other ends of the guide sheets extend out of the cap shell and are used for guiding out hot air in the buffer space to the outside.

Preferably, the ends of the two ends of the binding band are connected with piston blocks, the piston blocks divide the gas storage bin into a tightening bin and a pressure bin, and the air bag is communicated with the pressure bin through a pipeline so as to fill partial air in the air bag into the pressure bin.

Preferably, the piston block is formed by protruding outwards from the circumferential side of the binding band, and the piston block is abutted against the inner wall of the gas storage bin.

Preferably, the two binding band tightening devices are respectively arranged at the brim of the safety helmet.

Preferably, the balloon is cylindrical.

According to the top anti-collision safety helmet provided by the embodiment of the invention, the inflatable module is used for filling the gas in the inflatable module into the airbag so as to enable the airbag to expand and bulge to support the helmet shell to further play a buffering effect, so that the aim of effectively protecting the head of the helmet is achieved, redundant gas in the airbag is discharged into the gas storage bin through the pipeline, the binding belt is pulled to lift and tightly pull the binding belt, and the risk of detachment of the helmet from the head is reduced, therefore, the head can be effectively protected when the top is impacted by the head buffering device and the binding belt tightening device, the safety helmet can be prevented from falling off in the anti-collision process, the risk of detachment of the safety helmet is reduced, and particularly, the important meaning of detachment prevention of the safety helmet can be reflected under the condition of continuous collision, and life safety is protected.

Drawings

FIG. 1 is a schematic view of a top impact-resistant helmet according to an embodiment of the present invention;

FIG. 2 is an exploded view of the top impact-resistant helmet of FIG. 1;

FIG. 3 is a schematic view of the overhead cushion and strap tightener of FIG. 1;

FIG. 4 is a cross-sectional view of the overhead bumper of FIG. 1;

FIG. 5 is a cross-sectional view of the strap tightener shown in FIG. 1;

fig. 6 is a schematic structural diagram of a second embodiment of a top impact-resistant helmet according to the present invention;

FIG. 7 is an exploded view of the top impact-resistant helmet of FIG. 6;

FIG. 8 is a cross-sectional view of the resistance damper shown in FIG. 6.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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 apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a top impact-resistant helmet according to the present invention; fig. 2 is an exploded view of the top impact-resistant helmet shown in fig. 1. The top anti-collision safety helmet comprises a helmet shell 1, a helmet liner 3 and a binding belt 4, wherein the helmet shell 1 and the helmet liner 3 are arranged at intervals, and a buffer space is formed between the helmet shell and the helmet liner 3. Wherein, be equipped with overhead buffer 6 and bandage tightening device 7 in the buffer space, overhead buffer 6 is located the safety helmet top, bandage tightening device 7 locates the both sides of safety helmet, the position of human ear top promptly.

Referring to fig. 3 and 4 in combination, fig. 3 is a schematic structural view of the overhead buffering device and the strap tightening device shown in fig. 1; fig. 4 is a cross-sectional view of the overhead bumper of fig. 1. The head top buffer device 6 comprises an air bag 61 fixedly connected to the cap liner 3 and an air inflation module 63 embedded in the air bag 61 and used for inflating the air bag 61, the air inflation module 63 is abutted to the cap shell 1, the cap shell 1 is pressed downwards when being impacted by external force, the air inflation module 63 is extruded to be inflated inside the air bag 61, the binding belt tightening device 7 is provided with an air storage bin 71 communicated with the air bag 61, the end part of the binding belt 4 is arranged in the air storage bin 71 and makes lifting motion along the air storage bin 71 under the filling of air of the air bag 61 to tighten the binding belt 4, the air inside the binding belt is filled into the air bag 61 through the air inflation module 63 so as to enable the air bag 61 to expand and bulge, the cap shell 1 is supported to further play a buffering effect, the aim of effectively protecting the head is achieved, the air in the air bag 61 is extruded into the air storage bin 71 through a pipeline, the binding belt 4 is pulled to be in a tight manner, the head top of the head is prevented from being broken away from the head, and the head top of the head top buffer device can be prevented from being broken away from the head top of the head, and the head top buffer device can be prevented from being broken away from the head top of the head when the head of the head is more effectively prevented from being broken.

The inflation module 63 includes a housing 631 having a hollow interior and communicating with the airbag 61, a barrier 637 fixed to the housing 631 to divide an inner space of the housing 631 into an upper compartment 633 and a lower compartment 635, and a striker 639 having one end fixed to the barrier 637 and the other end penetrating through the housing 631 to the outside of the airbag 61, the upper compartment 633 communicating with the airbag 61, a top of the striker 639 abutting against an inner wall of the cap 1, and when the cap 1 receives an impact force, the striker 639 breaks the barrier 637 by an impact of an external force to discharge air of the lower compartment 635 into the airbag 61 through the upper compartment 633 to bulge the airbag 61. The function of air intake of the upper bin 633 is achieved through the mode that the striker 639 breaks the lattice 637, the purpose of inflation of the air bag 61 connected with the upper bin 633 is achieved, the purpose of buffering is achieved through a purely mechanical mechanism, and the effect is more stable and effective through an electric control device.

The middle section of the housing 631 protrudes from the inside to the outside by a boss 6311, and the block 637 is fixed to one end of the boss 6311 near the lower bin 635 to ensure the connection stability of the block 637 fixed in the boss 6311.

Specifically, in the present embodiment, the housing 631 is made of rubber. Preferably, the housing 631 is made of hard rubber. The air bag 61 is made of thin rubber with a certain deformability so as to meet the requirement that the air bag 61 can deform after being inflated.

Wherein, vent hole 6331 has been seted up on the lateral wall of last storehouse 633, when striker 639 breaks check 637, the air of lower storehouse 635 is filled in last storehouse 633, last storehouse 633 pass through vent hole 6331 with gasbag 61 is connected with the air is filled in the gasbag 61 with the gasbag 61 is full of air so that gasbag 61 bulge reaches the support cap shell 1's purpose to reduce external force and transmit to the inside lining, and then reduce the impact force that transmits to the top of the head, play safety protection's effect.

Specifically, in the present embodiment, the striker 639 is made of metal, and the bezel 637 is made of glass. The striker 639 made of metal is easy to break the glass into the grid 637, but the glass also has a certain hardness, so that the striker 639 cannot break the grid 637 when being subjected to a small force, and the crown buffer 6 does not need to be started to protect under the condition that the impact force of the safety helmet is small, so that the importance of the crown buffer 6 under the action of a large impact external force is further shown.

Referring to FIG. 5, a cross-sectional view of the strap tightener shown in FIG. 1 is shown. The ends of the two ends of the binding band 4 are connected with piston blocks 41, the piston blocks 41 divide the air storage bin 71 into a tightening bin 73 and a pressure bin 75, and the air bag 61 is communicated with the pressure bin 75 through a pipeline so as to fill part of air in the air bag 61 into the pressure bin 75.

The piston block 41 is formed to protrude outward from the circumferential side of the band 4, and the piston block 41 abuts against the inner wall of the air storage 71. The preset height of the air storage bin 71 needs to meet the requirement that the person wearing the safety helmet does not feel tired when carrying out the lifting action, that is, the movement range of the piston block 41 is generally set within a distance of 1-3 cm.

In this embodiment, the overhead buffering device 6 is one, and is disposed at the top of the helmet, however, in other embodiments, the overhead buffering device 6 may be a plurality of overhead buffering devices 6 at intervals, and the plurality of overhead buffering devices 6 are connected in series through pipes respectively. The number of the binding band tightening devices 7 is two, and the two binding band tightening devices 7 are respectively arranged at the hat brim of the safety helmet. In the event of an impact, both said strap tightener 7 tighten simultaneously.

Specifically, in this embodiment, the air bag 61 is cylindrical. Preferably, the air bag 61 is a pancake type.

The cap liner 3 is provided with a plurality of ventilation openings 31, the cap peak of the cap shell 1 is provided with a plurality of air outlets 11, the ventilation openings 31 are communicated with the air outlets 11 through the buffer space, the air outlets 11 are provided with guide vanes 9, one ends of the guide vanes 9 are positioned in the buffer space, the other ends of the guide vanes extend to the outside of the cap shell 1 and are used for guiding out hot air in the buffer space to the outside, so that the air flow in the buffer space is reduced, and the air flow in the wearing space is improved, so that the wearing comfort is improved.

Example two

Referring to fig. 6 and fig. 7 in combination, fig. 6 is a schematic structural diagram of a second embodiment of a top anti-collision safety helmet according to the present invention; fig. 7 is an exploded view of the top impact-resistant helmet of fig. 6. The top anti-collision safety helmet further comprises at least one pair of anti-force buffer devices 8 arranged in the buffer space, wherein the pair of anti-force buffer devices 8 are respectively a first anti-force buffer device and a second anti-force buffer device. Preferably, the first resistance buffering device and the second resistance buffering device are respectively arranged at two opposite positions of the safety helmet. Preferably, the number of the resistance buffering devices 8 is several, and the resistance buffering devices 8 are distributed all over the hat lining 3 at intervals. Impact resistance effects of various points and different positions are achieved by fully distributing the whole cap liner 3.

Referring to FIG. 8, a cross-sectional view of the force-absorbing device of FIG. 6 is shown. The resistance buffering device 8 comprises a hollow base 81 fixedly connected to the cap liner 3, an air bag 82 fixedly connected to the base 81 and a piston ejector rod 83 arranged in the base 81, the inner space of the base 81 is divided into an upper air cavity 84 and a lower air cavity 85 by a piston of the piston ejector rod 83, one end of the piston ejector rod 83 extends out of the base 81 and is abutted to the cap shell 1, and the lower air cavity 85 is communicated with the air bag 82 through a pipeline A so as to enable air in the upper air cavity 84 to be filled into the air bag 82. Wherein, the upper air chamber 84 of the first resistance buffering device is communicated with the air bag 82 of the second resistance buffering device through a pipeline, and when the piston ejector rod 83 of the first resistance buffering device presses the lower air chamber 85, the air in the air bag 82 of the second resistance buffering device is sucked into the upper air chamber 84 of the first resistance buffering device. Therefore, when the cap 1 corresponding to the position of the first resistance damper receives an impact force, the piston moves downward to fill the air in the lower air chamber 85 into the air-filled chamber 82 through the pipe a, the air-filled chamber 82 expands and swells to support the cap 1 to achieve a cushioning effect, at this time, the distance between the cap 1 and the cap liner 3 is increased to increase a protection effect, at the same time, the air in the air-filled chamber 82 of the second resistance damper is sucked into the upper air chamber 84 of the first resistance damper, the air in the air-filled chamber 82 of the second resistance damper is decreased, at this time, the distance between the cap 1 and the cap liner 3 opposite to the first resistance damper is decreased, the distance between the cap 1 and the cap liner 3 at the position of the second resistance damper is offset to further decrease the distance between the cap 1 and the cap liner 3 to achieve a further increase of the impact force, and further increase the impact force is achieved.

It should be noted that, by adding the resistance buffering device 8, the top anti-collision safety helmet can further resist collision from various angles in the lateral direction, so as to increase the buffering effect.

The lower air cavity 85 and the upper air cavity 84 are further provided with elastic elements 86, and two ends of the elastic elements 86 are respectively abutted against the base 81 and the piston. When the elastic element 86 is pressed by the piston, the piston is pushed downwards, and when the impact force is relieved, the piston is pushed back to the initial state by the resilience force of the elastic element 86, so that the safety helmet can continuously prevent impact force, and the buffering effect is continuously and effectively ensured.

Specifically, in this embodiment, the elastic element 86 is a spring.

Preferably, in order to improve the sealing property between the piston and the base 81, a sealing ring 87 for sealing a gap between the piston and a sidewall of the base 81 is provided around an outer circumference of the piston.

The inflatable bag 82 is circular, and the ejector rod is arranged at the inner ring of the inflatable bag 82. The inflatable bag 82 forms avoidance, so that the structure is more compact.

The ejector rod of the piston ejector rod 83 protrudes from the top of the air bag 82. Specifically, the height of the ejector rod protruding from the air bag 82 is 3-10mm, so that the ejector rod can have a space for ejection and retraction.

The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The top anti-collision safety helmet is characterized by comprising a helmet shell, a helmet liner and a binding belt, wherein a buffer space is formed between the helmet shell and the helmet liner at intervals, a head top buffer device and a binding belt tightening device are arranged in the buffer space, the head top buffer device is positioned at the top of the safety helmet, the head top buffer device comprises an air bag fixedly connected to the helmet liner and an inflation module embedded in the air bag and used for inflating the air bag, the inflation module is abutted against the helmet shell, the inflation module is pressed downwards when the helmet shell is impacted by external force, the inflation module is pressed to inflate the inside of the air bag, the binding belt tightening device is provided with a gas storage bin communicated with the air bag, the binding belt is arranged in the gas storage bin and makes lifting motion along the gas storage bin under the filling of air bag gas, the inflation module comprises a shell fixedly connected with the helmet liner, an inflation module fixedly arranged in the air bag and used for inflating the air bag, the inflation module is abutted against the helmet shell, the inflation module is pressed downwards when the helmet shell is impacted by external force, the inflation module is pressed downwards, the inflation module is pressed against the air bag is abutted against the inner side wall of the air bag through the air bag, and the striker is abutted against the other end of the air bag is abutted against the air bag through the striker;

the air cushion is characterized by further comprising at least one pair of resistance buffer devices arranged in the buffer space, wherein the pair of resistance buffer devices are a first resistance buffer device and a second resistance buffer device respectively, the resistance buffer devices comprise a hollow base fixedly connected with the cap liner, an inflatable bag fixedly connected with the base and a piston ejector rod arranged in the base, the inner space of the base is divided into an upper air cavity and a lower air cavity by a piston of the piston ejector rod, one end of the piston ejector rod extends out of the base and is abutted with the cap shell, the lower air cavity is communicated with the inflatable bag through a pipeline so as to enable air in the upper air cavity to be filled into the inflatable bag, the upper air cavity of the first resistance buffer device is communicated with the inflatable bag of the second resistance buffer device through a pipeline, and when the piston ejector rod of the first resistance buffer device presses the lower air cavity, air in the inflatable bag of the second resistance buffer device is sucked into the upper air cavity of the first resistance buffer device.

2. The top impact resistant headgear of claim 1 wherein the middle section of the shell has a boss protruding outwardly from an interior thereof, the shelf being secured to an end of the boss adjacent the lower bin.

3. The top impact resistant headgear of claim 1 wherein a vent hole is provided in a side wall of the upper bin, the upper bin being connected to the air bag through the vent hole.

4. The roof crash helmet of claim 1 wherein said shell is made of rubber; the grid is made of glass; the firing pin is made of metal.

5. The top impact-resistant safety helmet according to claim 1, wherein the cap liner is provided with a plurality of ventilation openings, the cap brim of the cap shell is provided with a plurality of air outlets, the ventilation openings are communicated with the air outlets through the buffer space, the air outlets are provided with guide sheets, one ends of the guide sheets are positioned in the buffer space, and the other ends of the guide sheets extend out of the cap shell and are used for guiding hot air in the buffer space to the outside.

6. The top impact-resistant safety helmet according to claim 1, wherein the ends of the two ends of the binding band are connected with piston blocks, the piston blocks divide the gas storage bin into a tightening bin and a pressure bin, and the air bag is communicated with the pressure bin through a pipeline so as to fill part of air in the air bag into the pressure bin.

7. The top impact resistant headgear of claim 6, wherein the piston block is formed to protrude outward from a circumferential side of the strap, the piston block abutting an inner wall of the gas storage bin.

8. The top impact resistant headgear of claim 1, wherein the strap tightener is provided in two separate pieces at the visor of the headgear.

9. The roof crash helmet of claim 1 wherein said bladder is cylindrical.