CN219088509U - Safety helmet - Google Patents

Abstract

The utility model relates to a safety helmet, and belongs to the technical field of safety helmets. Comprises a cap shell; a cap liner; a hat band; the hat shell is of an oval or hemispherical shell structure, a plurality of radiating holes are formed in the hat shell, a radiating fan is arranged between the radiating holes and the hat lining, and the radiating fan promotes air circulation inside and outside the hat shell to assist in radiating; the cap liner is arranged in the inner space of the cap shell, is in clearance with the top of the cap shell, is in direct contact with the head of a wearer, and protects the head of the wearer from being damaged by falling objects; the hat band is arranged below the hat lining, and at least two adjusting devices are respectively arranged on two sides of the hat band; the adjusting device is provided with an image recorder, and the on-site operation and working steps are recorded in real time. The utility model has the advantages of ventilation and heat dissipation, on-site operation and working steps of image recording staff, convenience for adjusting the positions and angles of the lighting device and the image recorder, and convenience for positioning and finding trapped staff.

Description

Safety helmet

Technical Field

The utility model relates to the technical field of safety helmets, in particular to a safety helmet.

Background

The safety helmet is a protective article for the head of a person and protects the head of the person from falling objects; the safety helmet consists of a helmet shell, a helmet liner, a helmet belt and other accessories, and is widely applied to working environments such as power plants, building construction, oilfield drilling, metallurgical operation, transportation and the like.

Practitioners entering plant areas such as power plants and factories often need to wear helmets; however, when a worker performs work such as construction and maintenance, the existing safety helmet does not have an image recording function, and thus the worker cannot record the site operation and working procedure of the worker. When entering a dark closed space, auxiliary illumination is often required to enable a practitioner to see the working environment clearly, however, the existing safety helmet does not have the auxiliary illumination function, and the handheld flashlight is not convenient for field operation in the dark closed environment; when a safety accident occurs, trapped people are not convenient to find. Therefore, there is a need for a safety helmet with danger prompt, ventilation and heat dissipation, which is convenient for the image recording staff to adjust the position and angle of the lighting device and the image recorder, and to locate and find trapped people, and is a urgent problem for the people in the field to solve.

Disclosure of Invention

The present application is based on the above-mentioned needs of the prior art, and the technical problem to be solved by the present application is to provide a safety helmet.

In order to solve the above problems, the technical solution provided by the present utility model includes: a safety helmet, comprising: a cap shell; a cap liner; a hat band; the hat shell is of an oval or hemispherical shell structure, a plurality of radiating holes are formed in the hat shell, a radiating fan is arranged between the radiating holes and the hat lining, and the radiating fan promotes air circulation inside and outside the hat shell to assist in radiating; the cap liner is arranged in the inner space of the cap shell, is in clearance with the top of the cap shell, is in direct contact with the head of a wearer, and protects the head of the wearer from being damaged by falling objects; the hat band is arranged below the hat lining, at least

The two adjusting devices are respectively arranged at two sides of the hat band to adjust the tightness of the hat band, so that the hat band is suitable for heads of different 5 persons; one of the regulating devices is provided with an image recorder for recording the field operation in real time

And (5) performing and working steps.

In a preferred embodiment of the present utility model, the lighting device further comprises a rotary connector fixedly disposed on the other adjusting device, and the rotary connector is connected with the lighting device in a clamping manner.

0 in a preferred embodiment of the present utility model, the rotary joint comprises a fixed seat,

a plug, an annular collar; the fixed seat is fixedly arranged on the adjusting device; the plug connector is matched with the fixed seat and is rotationally connected to the fixed seat; the annular hoop is fixedly connected with the plug connector, and the lighting device is clamped and fixed on the annular hoop.

In a preferred embodiment of the utility model, the safety helmet is further provided with a plurality of 5-distance sensors, and the plurality of distance sensors are uniformly distributed on the outer edge of the safety helmet.

In a preferred embodiment of the utility model, the left side and the right side of the safety helmet are also provided with the earphones, the earphones judge whether the safety helmet is dangerous according to the distance signal detected by the distance sensor, and if the safety helmet is dangerous, the safety helmet sends out a sound signal to prompt the wearer.

In a preferred embodiment of the present utility model, a locator is further provided on the cap shell. 0A preferred embodiment of the present utility model, wherein the image recorded by the image recorder

And transmitting the data to a control platform in real time.

In a preferred embodiment of the present utility model, the image recorder is provided with a memory, and the images recorded by the image recorder are stored in real time.

In a preferred embodiment of the utility model, a temperature sensor 5 is further arranged in the cap shell, and the temperature sensor is electrically connected with the controller; the controller is electrically connected with the cooling fan.

In a preferred embodiment of the present utility model, the cap further comprises an adjusting fixing band, wherein the adjusting fixing band is arranged on the cap, and at least two adjusting devices are arranged on the adjusting fixing band; the image recorder is arranged on one of the adjusting devices; the rotary clamping connector is arranged on the other adjusting device.

The utility model has the following beneficial effects:

1. the hat shell is of an elliptical or hemispherical shell structure, a plurality of radiating holes are formed in the hat shell, a radiating fan is arranged between the radiating holes and the hat lining, and the radiating fan promotes air circulation inside and outside the hat shell to assist in radiating;

2. the hat band is arranged below the hat lining, two sides of the hat band are provided with adjusting devices for adjusting the length of the hat band, one of the adjusting devices is provided with an image recorder, and the image recorder records on-site operation and working steps and prevents illegal operation of practitioners;

3. the rotary clamping device is fixedly connected with the adjusting device, and is clamped with the lighting device to adjust the rotation angle of the lighting device so as to perform short-distance or long-distance lighting;

4. the helmet shell is provided with a positioning instrument, positioning information of the positioning instrument can be acquired by the control platform in real time, and the positioning instrument is convenient for positioning and finding trapped personnel when an accident occurs;

5. the images recorded by the image recorder are transmitted to the control platform in real time, so that the on-site operation and working steps of a practitioner can be checked in real time, and the illegal operation can be found out to be stopped in time and emergency rescue can be carried out after accidents occur;

6. the left side and the right side of the safety helmet are also provided with earphones, the earphones judge whether danger exists according to the distance signals detected by the distance sensor, and if so, sound is sent to prompt a wearer to avoid the danger;

7. the adjusting fixing belt is arranged on the cap belt, at least two adjusting devices are arranged on the adjusting fixing belt, the image recorder is arranged on one of the adjusting fixing belts, the rotary clamping piece is arranged on the other adjusting device, the lighting device is clamped on the rotary clamping piece, so that the tightness of the safety cap is adjusted, the position adjustment of the image recorder and the position adjustment of the lighting device are mutually independent, and the position adjustment of the image recorder and the position adjustment of the lighting device are more convenient.

Drawings

FIG. 1 is a schematic top view of a shaft side structure of a helmet of the present utility model;

FIG. 2 is a schematic diagram of the left view axis of the helmet of the present utility model;

FIG. 3 is an exploded view of a swivel clip of a helmet of the present utility model;

FIG. 4 is a schematic view of the right view axis side structure of a helmet according to the present utility model;

FIG. 5 is a schematic view of the rear view axis side structure of a helmet of the present utility model;

FIG. 6 is a schematic view of another embodiment of a helmet of the present utility model;

FIG. 7 is a schematic view of a left view axis of a further embodiment of a helmet of the present utility model;

FIG. 8 is a schematic view of a right view axis side structure of a further embodiment of a helmet of the present utility model;

fig. 9 is a schematic rear view of a safety helmet according to another embodiment of the present utility model.

Reference numerals illustrate: 1. a cap shell; 2. a hat band; 3. an adjusting device; 4. a rotary joint device; 4-1, fixing base; 4-2, a plug connector; 4-3, an annular hoop; 5. a lighting device; 6. an image recorder; 7. a memory; 8. adjusting the fixing belt; 9. a heat radiation hole; 10. and a positioning instrument.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

For the purpose of facilitating an understanding of the embodiments of the present application, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, in which the embodiments are not intended to limit the embodiments of the present application.

The safety helmet provided by the specific embodiment is used for field operation and auxiliary illumination of image recording staff and has a ventilation and heat dissipation function. The practitioner often needs to wear safety helmets when entering a factory area such as a power plant or a factory, and the like, and some posts need to record the field operation and working steps of the practitioner through images, so that the practitioner can operate in compliance, and when entering the field operation of a dark closed environment, the practitioner needs auxiliary illumination to see the working environment clearly; however, the existing safety helmet does not have the functions of image recording and auxiliary lighting. Therefore, the safety helmet with the danger prompt, ventilation and heat dissipation functions can be used for image recording of field operation and working steps of workers, the position and the angle of the lighting device and the image recorder can be conveniently adjusted, and trapped workers can be conveniently positioned and found, so that the safety helmet is a main difficulty in the prior art.

In this specific embodiment, the main inventive concept includes that a plurality of heat dissipation holes are formed in the cap shell, a heat dissipation fan is arranged between the heat dissipation holes and the cap liner, and the heat dissipation fan promotes air circulation in the cap shell to assist heat dissipation; the cap liner is arranged in the inner space of the cap shell, has a gap with the top of the cap shell, is in direct contact with the head of a wearer, and protects the head of the wearer from falling objects; a hat band is arranged below the hat lining, and reflective paint is arranged on the hat band, so that the hat band is convenient to identify and can be used for conveniently finding trapped people when an accident occurs; in a dark and closed environment, the compound is easy to find, and avoids injuring practitioners by mistake; the two sides of the hat band are provided with adjusting devices, and the adjusting devices can adjust the tightness of the hat band and can fix the lighting device and the image recorder on the adjusting devices; and recording the site operation and working steps of the staff in real time; the illumination device is configured as an LED zoom lamp, is energy-saving and power-saving, and can adjust high beam or low beam to carry out long-distance or short-distance illumination; the lighting device is clamped on the rotary clamping connector to adjust the rotation angle of the lighting device.

The following specific examples are provided for this purpose in this detailed description.

The present embodiment provides a helmet, referring to fig. 1 to 9, comprising a helmet shell 1; a cap liner; a hat band 2. The helmet shell 1 is of an oval or hemispherical shell structure, a plurality of radiating holes 9 are formed in the helmet shell 1, a radiating fan is arranged between the radiating holes 9 and the helmet liner, air circulation inside and outside the helmet shell is promoted, and heat dissipation is assisted; the hat lining is arranged in the inner space of the hat shell 1 and is provided with a gap with the top of the hat shell 1, and the hat lining is in direct contact with the head of a wearer and protects the head of the wearer from being damaged by falling objects; the hat lining comprises a hat hoop belt which tightly surrounds the head of a person and fixes the head of the person in the circumferential direction; the helmet is characterized in that a cap belt 2 is arranged below the helmet liner, the helmet liner is clamped on the helmet shell, and the cap belt 2 is arranged below the cap hoop belt and connected with the lower part of the cap hoop belt, so that the head of a person is fixed on the helmet.

The helmet shell 1 is of an elliptic or hemispherical shell structure, the helmet shell 1 is made of PC plastic, is rigid and resistant, has good impact resistance, has good high temperature resistance and electrical insulation property, and is very suitable for being used as a helmet material in environments such as power plants, factories and the like.

The cap shell 1 is provided with a plurality of heat dissipation holes 9, and referring to fig. 1, 2, 4 and 5; the ventilation of the inside and outside of the cap shell 1 is facilitated, the heat in the cap shell 1 is reduced, and the wearing comfort of a wearer is improved; specifically, the front end and the rear end of the cap shell 1, namely, the cap shell is close to one end of the cap peak and one end opposite to the cap peak, are uniformly provided with a plurality of rows of heat dissipation holes, so that ventilation of the inside and the outside of the cap shell is facilitated, heat in the cap shell is reduced, and wearing comfort of a wearer is improved. Or, the heat dissipation holes are formed in the front, the back, the left and the right of the cap shell 1, and the ventilation and heat dissipation effects are better.

A cooling fan is arranged between the cooling hole 9 and the cap liner, and the cooling fan promotes the ventilation of the inside and outside of the cap shell to assist in cooling; the heat radiation fan is electrically connected with the controller and is started or closed according to signals sent by the controller.

The inside of the cap shell 1 is also provided with a temperature sensor, the temperature sensor is electrically connected with a controller and transmits the detected temperature to the controller, and the controller controls the start or the stop of the cooling fan according to a preset program.

Be provided with a plurality of distance sensor on the safety helmet, a plurality of distance sensor equipartitions are on the outer edge of safety helmet for detect that the object on every side is close to, if there is danger, the suggestion practitioner avoids, avoids the practitioner during operation to strike other hard objects, also prevents that the practitioner from being bumped by the vehicle that removes the travel.

The distance sensor is in signal connection with the controller, and the distance sensor transmits detected distance information to the controller in real time.

The left side and the right side of the safety helmet are also provided with earpieces, and the earpieces give out sound to prompt a wearer according to the distance signals detected by the distance sensors; the earphone is in signal connection with the controller, the controller judges whether the practitioner is dangerous or not in real time according to a preset program and the distance information transmitted by the distance sensor in real time, and if the practitioner is dangerous, the controller sends out a sound to prompt the wearer to pay attention to avoid the danger.

The helmet shell 1 is also provided with a positioning instrument 10, positioning information of the positioning instrument 10 can be acquired by a control platform in real time, and the positioning instrument is convenient for positioning and finding trapped personnel when an accident occurs; or by telephone or other means, the practitioner may be found by the control platform.

The cap liner is arranged in the inner space of the cap shell 1 and has a gap with the top of the cap shell 1, and the cap liner is in direct contact with the head of a wearer and protects the head of the wearer from being damaged by falling objects.

The cap liner includes a cap hoop band and a top band. The cap hoop belt only surrounds the head of the person and fixes the head of the person in the circumferential direction; specifically, the cap hoop belt comprises a fixing belt and an adjusting belt, a plurality of inserting pieces are arranged on the fixing belt and are matched with inserting grooves formed in the cap shell, the cap hoop belt is fixed on the cap shell, a plurality of teeth are uniformly distributed on the adjusting belt and meshed with gears arranged on the adjusting belt, and tightness of the cap hoop belt is adjusted through positive and negative rotation of the gears; the adjusting belt is sleeved with an adjusting shell, an adjusting knob is arranged on the adjusting shell and fixedly connected with the gear, and tightness of the cap hoop belt can be adjusted by rotating the adjusting knob, so that the head of a person is fixed in the circumferential direction of the cap hoop belt.

The top belt is in direct contact with the top part of the head of a person, the top belt is a cross strip-shaped belt or a six-shaped strip-shaped belt, and the top belt rivet is connected above the annular hoop belt and is spliced on the cap shell together with the annular hoop belt.

The helmet belt is arranged below the helmet liner, and the safety helmet is fixed on the head of a person in the height direction of the helmet belt; the two sides of the hat band are respectively provided with an adjusting device to adjust the tightness of the hat band, so that the hat band is suitable for heads of different people.

The hat band 2 is a straight-line-shaped band made of synthetic fibers, specifically made of polyamide fibers, and has higher strength and better wear resistance.

At least two adjusting devices 3 are arranged on two sides of the hat band 2, a lighting device 5 and an image recorder 6 are respectively fixed on the adjusting devices 3 arranged on two sides of the hat band 2, and the reserved length of the hat band 2 is adjusted, so that the safety helmet can be adapted to heads of different people, and the positions of the lighting device 3 and the image recorder 6 can be adjusted.

In another embodiment of the present utility model, the hat band 2 is a Y-shaped hat band, an adjusting buckle is arranged at the Y-shaped connection position, an adjusting fixing band 8 is arranged below the adjusting buckle, and the lighting device 5 and the image recorder 6 are respectively arranged on the adjusting fixing bands 8 at two sides; the tightness of the hat band 2 is regulated by the regulating buckle, the regulating devices 3 are respectively arranged at the two sides of the regulating and fixing band 8, and the reserved length of the regulating and fixing band 8 is regulated by the regulating devices 3 to respectively regulate the positions of the lighting device 5 and the image recorder 6; the tightness of the safety helmet is regulated, and the positions of the image recorder 6 and the lighting device 3 are independent; it is more convenient to adjust the positions of the image recorder 6 and the illumination device 5.

The outside of the hat band 2 is coated with reflective coating, that is, the surface of the hat band which is not attached to the face is coated with reflective coating; the device is convenient to identify, is convenient to find trapped personnel when accidents occur, or is easy to find when the operation is performed in a dark and closed space, and avoids injuring practitioners by mistake.

At least two adjusting devices 3 are respectively arranged at two sides of the hat band 2, and the length of the hat band 2 is adjusted to enable the safety helmet to be adapted to the heads of different people; in particular, the adjustment means 3 are provided as alloy catches; the adjusting device 3 divides the hat band 2 into three parts, and the adjusting device 3 comprises an upper buckle and a lower buckle; the first part and the third part are respectively and fixedly connected with upper buckles positioned at two sides of the safety helmet; the two ends of the second part are respectively connected with the two lower buckles in a sliding manner so as to adjust tightness of the hat band 2, so that the safety helmet is matched with the head of a human body, and tightness of the hat band 2 can be adjusted according to the sizes of the heads of different people so as to be matched with the heads of different people.

Through the joint cooperation of the upper buckle and the lower buckle, the safety helmet is fixed on the head of a person, and is convenient to wear and take down.

One of the adjusting devices 3 is provided with an image recorder 6, and the image recorder 6 records field operation; since most people use right-hand operation, the image recorder 6 is often arranged on the adjusting device 3 in the right-hand direction of the helmet worn by the practitioner, and the camera faces straight ahead.

Alternatively, some practitioners use the left-hand operation, and the image recorder 6 is provided on the adjusting device 3 in the left-hand direction in which the practitioners wear the helmet, so that the camera faces straight ahead. Specifically, the configuration is customized according to the operation habits of the practitioner.

Specifically, the image recorder 6 includes a base, a rotation angle meter and a motion video recorder. The base is arranged in a round or square cavity structure, is fixed on the adjusting device and can be fixed on the adjusting device through glue or screws; the position of the image recorder is convenient to adjust.

The rotating angle instrument is arranged in the cavity structure and comprises a stepping motor, the stepping motor is fixed on the base, and an output shaft of the stepping motor is fixedly connected with the motion video recorder; the axis of the motion video recorder is coincident with the axis of the output shaft of the stepping motor; the stepping motor is in signal connection with the control platform; the control platform controls the stepping motor to be started or closed so that the motion video recorder can rotate around the axis of the motion video recorder, and the rotation angle of the image recorder 6 is adjusted according to the requirement.

The stepper motor is in signal connection with the control platform, and adjusts the rotation angle of the image recorder 6 according to a predetermined program and based on the operation of a monitoring person.

The images recorded by the image recorder 6 are transmitted to the control platform in real time, WIFI signals are often covered in factories such as power plants or factories, and the images recorded by the image recorder 6 are transmitted to the control platform in real time through the wireless communication module by the image recorder 6.

The control platform can be a PC end, a PAD or a mobile phone end; the method is convenient for checking the field operation and working steps of the staff in real time, and is favorable for finding out illegal operation to stop in time and carrying out emergency rescue after accidents occur.

Preferably, the image recorder 6 is further provided with a memory 7, so as to store the images recorded by the image recorder 6 in real time, so that the field operation and working steps of the practitioner cannot be recorded when the network is not smooth or no network exists.

The rotary clamping connector 4 is fixedly connected with the other adjusting device 3, and the rotary clamping connector 4 is usually fixed in the left hand direction of a practitioner wearing the safety helmet; the rotary clamping connector 4 is clamped with a lighting device 5. Alternatively, part of the rotary clip connector 4 is fixed in the left hand direction of the practitioner wearing the helmet; the rotary clamping connector 4 is clamped with a lighting device. Specifically, the configuration is customized according to the operation habits of the practitioner.

The rotary clamping connector 5 comprises a fixed seat 4-1, a plug connector 4-2 and an annular hoop 4-3; the fixed seat 4-1 is arranged on the adjusting device 3, the plug connector 4-2 is matched with the fixed seat 4-1, and the plug connector 4-2 is rotationally connected to the fixed seat 4-1 to adjust the rotation angle of the plug connector 4-2; the annular hoop 4-3 is fixedly connected with the plug connector 4-2, and the lighting device 5 is clamped and fixed on the annular hoop 4-3, so that the lighting device 5 is convenient to install and detach.

Specifically, the fixing seat 4-1 is fixedly arranged on the adjusting device 3, the fixing seat 4-1 is provided with a cylindrical cavity structure, two rows of tooth grooves are arranged in the circumferential direction of the fixing seat 4-1, and the two rows of tooth grooves are arranged in a staggered manner and are respectively arranged at the bottom and the open end of the cavity structure; the width of the tooth groove at the open end is larger than that of the tooth groove at the bottom; facilitating the insertion of the plug 4-2 into the holder 4-1.

The plug connector 4-2 is matched with the fixed seat 4-1, specifically, the main body part of the plug connector 4-2 is matched with the inner diameter of the fixed seat 4-1; the plug connector 4-2 is provided with teeth, the number of the teeth is the same as that of the tooth grooves, and the outer contour of the teeth is matched with the inner contour of the tooth grooves arranged at the bottom of the cavity structure.

The plug-in component 4-2 is rotatably connected to the fixed seat 4-1, and when the angle needs to be adjusted, the plug-in component 4-2 is pulled out of the slot at the bottom of the cavity structure, then is rotated for a certain angle, and is inserted into the fixed seat 4-1.

Preferably, a plurality of scale marks are uniformly distributed on the circumference of the fixing seat 4-1, the number of the scale marks corresponds to the number of the slots, and the positions of the scale marks correspond to the slots at the bottom of the cavity structure; the plug connector 4-2 is provided with marks corresponding to the scale marks after being plugged; the rotation angle of the plug connector 4-2 is convenient to quickly adjust, and the irradiation range of the lighting device 5 is also convenient to quickly adjust.

Preferably, the scale marks and the marks of the scale marks are protruded from the surface, the finger touches the surface, and the angle of the lighting device 3 can be adjusted without taking off the safety helmet for observation, so that the safety helmet is convenient and quick.

The annular hoop 4-3 is of a C-shaped tubular structure, and one side of the annular hoop, which is away from the C-shaped opening, is fixedly connected with the plug connector 4-2; for example, by welding or bonding, the annular collar 4-3 is fixedly connected to the plug 4-2.

The lighting device 3 is fixedly clamped on the annular hoop 4-3, and the outer diameter of the lighting device 3 is matched with the inner diameter of the annular hoop 4-3, so that the lighting device is convenient to install and detach.

The illumination angle of the illumination device 3 is adjusted by adjusting the rotation angle of the plug connector 4-2 and the fixed seat 4-1.

The lighting device 3 is configured as an LED zoom lamp, is energy-saving and power-saving, and can adjust high beam or low beam to perform long-distance or short-distance lighting.

In yet another embodiment of the present utility model, mounting plates are disposed below the cap 1, and two mounting plates are disposed on both sides of the cap 1; the mounting plate and the cap shell 1 are integrally formed or the mounting plate is adhered below the cap shell 1.

An image recorder 6 is fixed on one of the mounting plates, and the image recorder 6 records field operation; since most people use right-hand operation, the image recorder 6 is often arranged on a mounting plate in the direction of the right hand of the practitioner wearing the helmet, with the camera facing straight ahead. The image recorder 6 is fixed on the mounting plate, is fixed and stable, is not easy to shake, and improves the stability of images recorded by the image recorder.

The other mounting plate is provided with a rotary clamping connector 4, and the rotary clamping connector 4 is usually fixed in the left hand direction of a practitioner wearing the safety helmet; the rotary clamping connector 4 is clamped with a lighting device 5. The rotary joint ware 4 is fixed in on the mounting panel, and lighting device 5 is fixed in on the rotary joint ware 4, lamps and lanterns rock when effectively avoiding walking and operation, promote practitioner's wearing comfort.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application, and are not meant to limit the scope of the utility model, but to limit the scope of the utility model.

Claims (10)

1. A safety helmet, characterized in that: comprising the following steps:

a cap (1); the hat is characterized in that the hat shell (1) is of an oval or hemispherical shell structure, a plurality of radiating holes are formed in the hat shell (1), a radiating fan is arranged between the radiating holes and the hat liner, and the radiating fan promotes ventilation of the inside and outside of the hat shell (1) and assists in radiating;

a cap liner; the cap liner is arranged in the inner space of the cap shell (1), is in clearance with the top of the cap shell (1), is in direct contact with the head of a wearer, and protects the head of the wearer from falling objects;

a hat band (2); the hat band (2) is arranged below the hat lining, and at least two adjusting devices (3) are respectively arranged at two sides of the hat band (2) so as to adjust tightness of the hat band and adapt to heads of different people;

one of the adjusting devices (3) is provided with an image recorder (6) for recording on-site operation and working steps in real time.

2. A helmet according to claim 1, wherein: the rotary clamping device is characterized by further comprising a rotary clamping device (4), wherein the rotary clamping device (4) is fixedly arranged on the other adjusting device (3), and the rotary clamping device (4) is clamped with a lighting device (5).

3. A helmet according to claim 2, wherein: the rotary clamping connector (4) comprises a fixed seat (4-1), a plug connector (4-2) and an annular hoop (4-3);

the fixed seat (4-1) is fixedly arranged on the adjusting device (3);

the plug connector (4-2) is matched with the fixed seat (4-1), and the plug connector (4-2) is rotationally connected to the fixed seat (4-1);

the annular hoop (4-3) is fixedly connected with the plug connector (4-2), and the lighting device (5) is clamped and fixed on the annular hoop (4-3).

4. A helmet according to claim 1, wherein: the cap shell (1) is also provided with a plurality of distance sensors which are uniformly distributed on the outer edge of the cap shell (1).

5. A helmet according to claim 4, wherein: the helmet is characterized in that earpieces are further arranged on the left side and the right side of the helmet shell (1), whether danger exists or not is judged according to distance signals detected by the distance sensors, and if the danger exists, a sound signal is sent to prompt a wearer.

6. A helmet according to claim 1, wherein: the cap shell (1) is also provided with a positioning instrument (10).

7. A helmet according to claim 1, wherein: and the images recorded by the image recorder (6) are transmitted to the control platform in real time.

8. A helmet according to claim 1 or 7, wherein: the image recorder (6) is provided with a memory (7) for storing the images recorded by the image recorder in real time.

9. A helmet according to claim 1, wherein: a temperature sensor is further arranged in the cap shell (1), and the temperature sensor is electrically connected with the controller;

the controller is electrically connected with the cooling fan.

10. A helmet according to claim 2, wherein: the device further comprises an adjusting fixing belt (8), wherein the adjusting fixing belt (8) is arranged on the hat band (2), and at least two adjusting devices (3) are respectively arranged on two sides of the adjusting fixing belt (8);

the image recorder (6) is arranged on one of the adjusting devices (3);

the rotary clamping connector (4) is arranged on the other adjusting device (3).

Images