CN219125491U

CN219125491U - Building site safety helmet with protector

Info

Publication number: CN219125491U
Application number: CN202320054476.8U
Authority: CN
Inventors: 杨显; 罗欢; 吕星辰; 周雨杰; 唐海翔; 刘明
Original assignee: CISDI Chongqing Information Technology Co Ltd
Current assignee: CISDI Chongqing Information Technology Co Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-06
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of construction safety protection articles, in particular to a construction site safety helmet with a protection device, which comprises a helmet shell and a lining, wherein the lining is fixedly arranged in an inner cavity of the helmet shell and forms a containing cavity with the helmet shell, a plurality of air cushion springs are distributed in a scattering mode in the cavity, and a deformable air cavity filled with high-pressure air is arranged in the air cushion springs. The utility model has high-level impact protection performance, can buffer and disperse instant impact force, thereby avoiding or relieving the direct damage of falling articles to the head, greatly improving the safety protection performance of the safety helmet, and has the characteristics of long service life, high comfort level, human eye protection and good heat dissipation performance.

Description

Building site safety helmet with protector

Technical Field

The utility model relates to the technical field of construction safety protection articles, in particular to a construction site safety helmet with a protection device.

Background

The safety helmet is a cap which has a protective effect on the head of a person from injury caused by falling objects and other specific factors. The safety helmet consists of a helmet shell, a helmet liner, a chin strap, accessories and the like.

The construction site safety helmet is mainly used for protecting the head from falling objects, and when workers are impacted or extruded by falling objects and hard objects at high positions, the construction site safety helmet can reduce impact force and eliminate or lighten the damage to the head of a human body, but the maximum force born by the standard construction site helmet is 4900N, which is equivalent to the force of falling a weight of 5KG from a height of 1 meter, and the workers can be injured after exceeding the force. It is therefore desirable to provide a helmet that can cushion and disperse transient impact forces, thereby avoiding or reducing direct damage to the head. The impact absorbing performance of the helmet is an important indicator for measuring the protection degree of the helmet.

The prior art means only depends on the space between the cap shell and the cap liner or adds sponge in the space to perform shock absorption and buffering, for example, a site protection safety helmet, wherein the safety helmet body is made of hard plastic, and consists of an inner layer of cap body and an outer layer of cap body which are connected, an interlayer is arranged between the inner layer of cap body and the outer layer of cap body, and sponge is arranged in the interlayer to perform buffering of head beating; however, the sponge has insufficient impact resistance, and the impact is transmitted to the head when the sponge is impacted, so that the head is easy to damage.

For increasing the buffer performance of safety helmet, prior art is constantly improved to the safety helmet, for example, through setting up the inside lining that sets up the cap shell, is connected with a plurality of springs between inside lining and the cap shell, when the cap shell receives external force impact, the spring can be better play cushioning effect to the head of protection workman, and inside lining lower surface is equipped with the foam-rubber cushion, can improve the travelling comfort of wearing. For example, a building site safety helmet, including the cap body, the outside fixedly connected with spring of cap body, the other end fixedly connected with top cap of spring, one side inner wall fixedly connected with aerating device of top cap, the inner wall bottom of cap body is equipped with the gasbag, aerating device includes casing and lower casing, go up the one side inner wall fixed connection of casing and top cap, the other end inside of going up the casing is equipped with down the casing, the one end inner wall of going up the casing is equipped with first internal thread, the one end outside of casing is equipped with first external screw thread down, through setting up spring and top cap, the spring can release a part external force, the top shell is as the second floor protective housing, make the top obtain bigger safety guarantee, through setting up aerating device and gasbag, when the safety cap bears pressure too big, aerating device aerifys the gasbag, protect around the brain, avoid the brain to receive the secondary injury.

Meanwhile, construction staff can move outdoors for a long time, in hot summer, workers also have to wear safety helmets for safety protection, the safety helmets also possibly have sponge pads and air bags, and the conditions of heatstroke of the workers are frequent due to insufficient heat dissipation of the heads of the workers in summer with high Wen Jiazhi, so that the construction helmet with enough safety protection function and ventilation and heat dissipation is needed.

Disclosure of Invention

In view of the above, the utility model provides a construction site safety helmet with a protection device to solve the problems of low safety protection performance, low comfort level, incapability of ventilation and heat dissipation and the like in the prior art.

In order to achieve the above and related objects, the utility model provides a construction site safety helmet with a protection device, which comprises a helmet shell and a lining, wherein the lining is fixedly arranged in an inner cavity of the helmet shell and forms a containing cavity with the helmet shell, a plurality of air cushion springs are distributed in a scattering shape in the cavity, and a deformable air cavity filled with high-pressure air is arranged in the air cushion springs.

Further, the elastic direction of the air cushion spring is perpendicular to the cap shell, the air cushion spring comprises a cylinder, the air cavity is arranged in the cylinder, and the middle of the cylinder protrudes outwards along the circumference of the cylinder.

Further, the air cushion spring further comprises clamping rings connected to two ends of the cylinder, the inner wall of the cap shell and the outer wall of the lining are respectively provided with a plurality of clamping grooves matched with the clamping rings, and the clamping rings are detachably connected in the clamping grooves.

Further, the cap shell is fixedly provided with a micro fan which is communicated with the cavity so as to supply air to the cavity.

Further, the safety helmet for the construction site further comprises a control box, wherein the control box is electrically connected with the micro fan and used for controlling the micro fan to be started and stopped, and the control box is arranged on the helmet shell.

Further, building site safety helmet still includes temperature monitoring module, and temperature monitoring module and control box electric connection, and temperature monitoring module is used for monitoring the inside ambient temperature of cavity, and control box still is used for gathering the ambient temperature information that temperature monitoring module monitored to when ambient temperature reaches first default temperature, start miniature fan.

Further, the building site safety helmet still includes alarm module, alarm module and control box electric connection, and control box still is used for when ambient temperature reaches the second and presets the temperature, and control alarm module sends heatstroke alarm signal, and the second presets the temperature and is higher than first presets the temperature.

Further, the safety helmet for the construction site further comprises a positioning module, and the positioning module is electrically connected with the control box.

Further, a plurality of ventilation holes are formed in the edge of the lining in a penetrating mode, and the ventilation holes are communicated with the cavity.

Further, the site safety helmet further comprises a sun protection mask which is rotatably connected to the helmet shell.

Further, the safety helmet with the protective device further comprises a chin strap, two ends of the chin strap are respectively connected to two sides of the helmet shell, and the adjusting buckle and the chin protection pad are arranged on the chin strap.

The beneficial technical effects of the utility model are as follows:

the deformable air cavity filled with high-pressure air is arranged in the air cushion spring, and the air cushion spring distributed in a scattering mode is beneficial to ventilation of air in the cavity and plays a certain role in supporting the cavity. The air cushion spring compresses high-pressure gas to enable the air cavity to deform and expand, the middle of the cylinder is utilized to guide the release direction of impact force along the circumferential outward bulge of the cylinder, the deformation quantity towards the circumferential bulge is provided, the impact force is dispersed, and the impact on the head of a wearer is reduced. Compared with a safety helmet adopting a conventional spring for buffering, the safety helmet can change the direction of impact force, further reduce the impact force on the head and has higher safety. In addition, the spring safety helmet is often used together with a foam cushion, an air bag and the like, so that the heat dissipation of the head of a wearer is difficult, and the risk of heatstroke of the wearer is increased. The air cushion spring does not influence the heat dissipation of the head of a wearer, and has lower hidden trouble degree while being comfortable.

The air cushion spring can be detachably installed, and can be replaced in a targeted manner, so that the service life is prolonged, and the use safety is improved.

The utility model is provided with the micro fan, the temperature monitoring module, the positioning module, the alarm module and the control box which are electrically connected, the head temperature of a wearer is monitored to control the on-off of the micro fan, the head is radiated, and when the head temperature is too high, the alarm module is automatically started to remind the wearer to rest and report the heatstroke risk; the positioning module is used for positioning the wearer in real time, so that a manager can conveniently master the distribution situation of workers on a construction site, and a rescuer can conveniently confirm the position when heatstroke or other life dangerous situations occur to the wearer.

The utility model is provided with the sun-proof mask covered with the sun-proof heat-insulating layer, has certain polarized light for high-intensity light while preventing ultraviolet rays, can reduce strong light points in the visual field, ensures that the visual field is clearer, and can protect human eyes in high-intensity sunlight.

In summary, the construction site safety helmet with the protective device provided by the utility model has high-level impact protection performance, and can buffer and disperse instant impact force, so that direct damage of falling objects to the head is avoided or lightened, the safety protection performance of the safety helmet is greatly improved, and the safety helmet has the characteristics of long service life, high comfort level, human eyes protection and good heat dissipation performance.

Drawings

FIG. 1 is an exterior view of a worksite helmet with a protective device according to the present utility model;

FIG. 2 is a schematic view of an inner layer structure of a safety helmet with a protective device for construction sites;

FIG. 3 is a bottom view of a helmet shell of a worksite helmet with a guard according to the present utility model;

FIG. 4 is a cross-sectional view of an air spring structure of a worksite helmet with a guard according to the present utility model;

fig. 5 is an enlarged schematic view of a construction site helmet with a protection device according to the present utility model.

Reference numerals

1: a cap shell; 2: a lining; 3: a chin strap; 4: hat brim; 5: a cavity; 6: an air cushion spring; 7: a micro fan; 8: a control box; 9: a temperature monitoring module; 10: an alarm module; 11: a collar; 12: an air cavity; 14: ventilation holes; 15: an adjusting buckle; 16: a sun visor; 17: a chin guard; 18: a column; 19: and a positioning module.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, the utility model provides a construction site safety helmet with a protection device, which comprises a helmet shell 1, a lining 2 and a chin strap 3, wherein two ends of the chin strap 3 are respectively and fixedly connected to two sides of the helmet shell 1, an adjusting buckle 15 and a chin protection pad 17 are arranged on the chin strap 3, and the length of the chin strap 3 can be adjusted by the adjusting buckle 15, so that the construction site safety helmet can be worn on the head of a worker more firmly, the chin protection pad 17 is attached to the chin of a wearer more, the skin is prevented from being injured by the chin strap 3, the protection performance of the construction site safety helmet is improved, and the wearing comfort is increased.

The inner liner 2 is fixedly arranged in the inner cavity of the cap shell 1 and forms an accommodating cavity 5 with the cap shell 1, a plurality of air cushion springs 6 are distributed in the cavity 5 in a scattering mode, and the air cushion springs 6 are detachably arranged in the cavity 5; the deformable air cavity 12 filled with high-pressure gas is arranged in the air cushion spring 6. A plurality of intermittently distributed ventilation holes 14 are formed in the bottom of the lining 2 in a penetrating manner, and the ventilation holes 14 are communicated with the cavity 5, so that air in the cavity 5 can circulate more smoothly. The air cushion springs 6 are uniformly distributed in the cavity 5 in a scattering mode, so that impact forces born by the safety helmet at the construction site in all directions are kept consistent, and safety is improved.

According to fig. 2 and 4, the air chamber 12 is provided in the cylinder 18, and the middle portion of the cylinder 18 is protruded outwardly in the circumferential direction thereof. The air chamber 12 is filled with a non-toxic, non-flammable high pressure gas such as carbon dioxide, trifluoromethane, chlorotrifluoromethane, and the like. When a worker wears the safety helmet at a construction site, the high-pressure gas stored in the gas chamber 12 is compressed when the worker receives downward pressure, the gas chamber 12 is expanded and tightened, and the pressure is buffered during the expansion process. Because the middle part of the cylinder 18 protrudes outwards along the circumferential direction, when the high-pressure gas is compressed, the air cavity 12 provides deformation quantity protruding towards the circumferential direction, so that impact force perpendicular to the helmet shell 1 is dispersed, impact to the head of a wearer is lightened, the air cushion spring 6 has higher-level impact protection performance, and instant impact force can be buffered and dispersed, so that direct damage of falling objects to the head is avoided or lightened, and the safety protection performance of the safety helmet for the construction site is improved.

Preferably, the air spring 6 comprises a cylinder 18 and a collar 11 connected to both ends of the cylinder 18, the collar 11 being mounted on the inner wall of the cap shell 1 and the outer wall of the liner 2, respectively. To improve the comfort and safety of the worksite headgear, the column 18 is made of a lightweight, deformable material, such as a carbon fiber composite material, or the like. Special treatments such as organic coating are performed on the inner wall of the cylinder 18 to keep the high pressure gas in the air chamber 12 stable. The collar 11 may be made of a material with high hardness and light weight, such as acryl, so that the air cushion spring 6 has a certain supporting effect on the cavity 5, which is beneficial to the air flow in the cavity 5. In addition, the utility model can wrap the soft cushion layer with high air permeability on the collar 11 at the side contacted with the head, so as to improve the comfort.

Preferably, the inner wall of the cap shell 1 and the outer wall of the liner 2 are respectively provided with a plurality of clamping grooves which are correspondingly arranged with the clamping ring 11, the clamping grooves are matched with the clamping ring 11, and the clamping ring 11 is detachably connected with the clamping grooves. The clamping grooves are arranged to facilitate replacement of the air cushion springs 6, and when the air cushion springs 6 are aged, air leakage is damaged, the shape of the air cushion springs 6 cannot be changed due to the fact that the chemical properties of high-pressure air in the air cavity 12 are changed, and the like, the damaged air cushion springs 6 can be replaced pertinently, so that the service life and the use safety of the safety helmet for the construction site are prolonged, and the economic cost is reduced.

Preferably, according to fig. 2 and 5, the side edge of the bottom end of the cap shell 1 extends outwards to form a cap peak 4 with a containing platform, and the cap shell 1 is fixedly provided with a micro fan 7 for heat dissipation and temperature reduction. The micro fan 7 is communicated with the cavity 5, an air outlet of the micro fan 7 is positioned in the cavity 5, and the cavity 5 forms an air supply channel of the micro fan 7. The mini fan 7 is electrically connected with a control box 8, and the control box 8 is fixedly connected with the cap shell 1. The control box 8 has a power supply module therein, which may be a battery, for charging and power supply. The control box 8 controls the opening and closing of the micro fan 7 and the wind power, and the micro fan 7 promotes the air flow in the cavity 5 by supplying air to the cavity 5, promotes the heat dissipation of the head and reduces the heatstroke risk of a wearer.

Preferably, the control box 8 is electrically connected with the temperature monitoring module 9, the alarm module 10 and the positioning module 19, and the temperature monitoring module 9, the alarm module 10 and the positioning module 19 are all installed in the cavity 5. The temperature monitoring module 9 monitors the air temperature in the cavity 5 in real time, can automatically start the micro fan 7 to cool through the control box 8 when the first preset temperature is reached, and can also start the alarm module 10 to alarm through the control box 8 when the air temperature reaches the heatstroke temperature, so that workers are reminded to rest so as to avoid heatstroke. For example, the first preset temperature includes a first temperature, a second temperature and a third temperature, the first preset temperature is a temperature that a human body feels hot, for example, the first temperature is 27 degrees, the second temperature is 30 degrees, and the like, when the temperature monitoring module 9 monitors that the temperature in the cavity 5 reaches a first temperature threshold value, a first signal is sent to the control box 8, the control box 8 receives the first signal and then starts the micro fan 7, and selects a wind power level matched with the first temperature, for example, primary wind power, the micro fan 7 supplies wind to the cavity 5 and circulates in the cavity 5 and the ventilation holes 14, so that the temperature in the safety helmet in the construction site is reduced, and when the temperature is lower than the first temperature threshold value, the control box 8 turns off the micro fan 7 to stop supplying wind. When the temperature reaches the second temperature and the third temperature threshold, the wind power of the micro fan 7 is in the second level and the third level. Preferably, the utility model can automatically monitor and control the on/off and wind power of the micro fan 7, and can manually control the on/off and wind power adjustment of the micro fan 7. When the temperature monitoring module 9 monitors that the temperature in the cavity 5 reaches the second preset temperature, namely the heatstroke temperature, a heatstroke signal is sent to the control box 8, the control box 8 can carry out voice broadcast after receiving the heatstroke signal, the heatstroke risk of a wearer is reminded, the micro fan 7 is started to cool, when the temperature continuously exceeds the heatstroke temperature threshold value, the control box 8 starts the alarm module 10 to alarm, the wearer is reminded to rest again, heatstroke is avoided, and meanwhile, the heatstroke signal is sent to a manager. Wherein the second preset temperature is higher than the first preset temperature. The positioning module 19 is used for positioning workers in real time, so that management personnel can conveniently master the distribution situation of workers on a construction site, and rescue personnel can conveniently confirm the positions to arrive in time when the workers are in heatstroke or other life dangerous situations.

Preferably, the cap shell 1 is rotatably connected with a sun protection mask 16, and the surface of the sun protection mask 16 is covered with a sun protection and heat insulation layer. The sun-proof mask 16 is made of optical plastic, has a polarized light design, can prevent ultraviolet rays through the sun-proof heat-insulating layer, has certain polarized light to high-intensity light, can reduce strong light points in the field of view, enables the field of view to be clearer, and can protect human eyes in high-intensity sunlight.

Preferably, the utility model provides a method for using a site safety helmet with a protective device, which comprises the following steps:

the safety helmet of the construction site is taken down and buckled on the head of a worker; the position of the adjusting buckle 15 is adjusted to enable the chin protection pad 17 to be arranged at the chin part of the head and enable the cap shell 1 to be attached to the head; when the sun protection mask 16 is rotated to one side of the face, and the illumination is poor, the sun protection mask 16 can be rotated to the upper part of the helmet shell 1 of the safety helmet at the construction site, so that the dark field caused by insufficient light entering is avoided.

When the wearer wears the helmet, the temperature monitoring module 9 monitors the temperature in the helmet in real time, judges the threshold value of the current temperature, sends a first signal to the control box 8 when the temperature reaches a preset first temperature threshold value, and after the control box 8 receives the first signal, the micro fan 7 is started, the primary wind power matched with the first temperature is selected, the air in the cavity 5 is supplied to the cavity 5 through the micro fan 7, the air in the cavity 5 enters and exits through the air holes 14, the air flow in the cavity 5 is promoted, the heat dissipation is accelerated, and therefore the temperature in the helmet on a construction site is reduced. The temperature monitoring module 9 continuously monitors the temperature in the cavity 5, and when the temperature reaches a second temperature threshold value, the wind power level of the micro fan 7 is adjusted to be two levels; and when the temperature reaches a third temperature threshold value, regulating the wind power level of the micro fan 7 to be three-level. Besides the mode, the wind power level can be controlled manually, the control box 8 is started, the current temperature is judged according to self-sense, a wind power level button on the shell of the mini fan 7 is selected, and the safety helmet is blown and cooled.

When the temperature monitoring module 9 monitors that the temperature in the cavity 5 reaches the heatstroke temperature, heatstroke signals are sent to the control box 8, the control box 8 carries out voice broadcasting after receiving the heatstroke signals, a wearer is reminded for the first time, the wearer is informed of heatstroke risks, the wind power of the micro fan 7 is regulated to be the maximum wind power, if three-level wind power is used for cooling, when the temperature continuously exceeds the heatstroke temperature threshold value, the control box 8 starts the alarm module 10 to alarm, the wearer is reminded for the second rest, heatstroke is avoided, and meanwhile, the heatstroke signals and personal information of the wearer are sent to a manager. The positioning module 19 positions the worker in real time, transmits the GPS signal to the site manager in real time, and determines the real-time position of the wearer according to the GPS signal after the site manager receives the heatstroke signal of the wearer.

When falling objects strike the head of a wearer, the falling objects firstly transmit force to the cap shell 1, the cap shell 1 distributes the force to the air cushion springs 6, the cap shell 1 extrudes the air cushion springs 6, so that gas in the air cushion springs 6 is compressed, the air cavity 12 deforms to expand and tighten towards two sides, pressure buffering is realized in the process, and after the force is distributed and resolved, the air cushion springs 6 can still recover due to high pressure in the air cavity 12 and can be reused. When the air cushion spring 6 is damaged, the air cushion spring 6 is taken down through the clamping groove for replacement.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model, and it is intended that the appended claims be interpreted as covering all equivalent modifications and variations as fall within the true spirit and scope of the utility model.

Claims

1. The utility model provides a building site safety helmet with protector, includes cap shell (1) and inside lining (2), inside lining (2) fixed mounting in cap shell (1) inner chamber and with cap shell (1) formation holding cavity (5), a serial communication port, be scattering form in cavity (5) and distribute have a plurality of air cushion spring (6), establish in air cushion spring (6) and be filled with high-pressure gas's deformable air cavity (12).

2. The worksite safety helmet according to claim 1, wherein the elastic force direction of the air cushion spring (6) is perpendicular to the helmet shell (1), the air cushion spring (6) comprises a cylinder (18), the air cavity (12) is arranged in the cylinder (18), and the middle part of the cylinder (18) protrudes outwards along the circumference of the cylinder.

3. The site safety helmet according to claim 2, wherein the air cushion spring (6) further comprises a clamping ring (11) connected to two ends of the column body (18), the inner wall of the helmet shell (1) and the outer wall of the lining (2) are respectively provided with a plurality of clamping grooves matched with the clamping ring (11), and the clamping ring (11) is detachably connected in the clamping grooves.

4. The worksite safety helmet according to claim 1, characterized in that the helmet shell (1) is fixedly provided with a micro fan (7), and the micro fan (7) is communicated with the cavity (5) so as to supply air to the cavity (5).

5. The site safety helmet according to claim 4, further comprising a control box (8), wherein the control box (8) is electrically connected with the micro fan (7) and is used for controlling the micro fan (7) to be opened and closed, and the control box (8) is installed on the helmet shell (1).

6. The site safety helmet according to claim 5, further comprising a temperature monitoring module (9), wherein the temperature monitoring module (9) is electrically connected with the control box (8), the temperature monitoring module (9) is used for monitoring an ambient temperature inside the cavity (5), and the control box (8) is further used for collecting ambient temperature information monitored by the temperature monitoring module (9) and starting the mini fan (7) when the ambient temperature reaches a first preset temperature.

7. The worksite safety helmet according to claim 6, further comprising an alarm module (10), wherein the alarm module (10) is electrically connected with the control box (8), and the control box (8) is further configured to control the alarm module (10) to send out a heatstroke alarm signal when the ambient temperature reaches a second preset temperature, and the second preset temperature is higher than the first preset temperature.

8. The worksite helmet according to claim 7, characterized in that it further comprises a positioning module (19), the positioning module (19) being electrically connected with the control box (8).

9. The site safety helmet according to claim 4, wherein a plurality of ventilation holes (14) are formed through the edge of the lining (2), and the ventilation holes (14) are communicated with the cavity (5).

10. The worksite helmet according to claim 1, characterized in that it further comprises a sun protection mask (16), the sun protection mask (16) being rotatably connected to the helmet shell (1).