CN110754731A

CN110754731A - Safety helmet

Info

Publication number: CN110754731A
Application number: CN201911240446.0A
Authority: CN
Inventors: 陈国飞; 王家峻; 王曼
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-02-07

Abstract

The invention discloses a safety helmet, which relates to the technical field of safety protection and comprises a lining, a helmet shell, a mask, an opening and closing mechanism and a power supply mechanism, wherein the whole helmet shell is streamline, two first ventilation openings which are symmetrically arranged are formed in the upper end of the helmet shell, an arc-shaped baffle plate I is hinged to the upper end of the first ventilation opening on the helmet shell, a breathing hole is formed in the lower end of the helmet shell, a filter is arranged at a position, corresponding to the breathing hole, on the helmet shell, a plurality of ventilation holes which are circumferentially arranged are formed in the upper end of the lining, the lining is fixed in the helmet shell and used for being worn on the head of a human body, and the mask is arranged at the front part of the helmet. According to the invention, the opening and closing mechanism is arranged, so that rainwater can be prevented from entering the helmet along with wind, the running experience is optimized, the phenomenon of white frost generated on the mask due to the breathing of a rider can be prevented, the definition of the visual field is ensured, the helmet can be continuously used even when seasons change, the consumption is saved, and the resources are saved.

Description

Safety helmet

Technical Field

The invention relates to the technical field of safety protection, in particular to a safety helmet.

Background

Because vehicles such as bicycle, electric motor car and motorcycle have advantages such as light and handy, convenient, all be better leisure and tool of riding instead of walk always, receive liking of people deeply, in order to ensure the safety when riding, the helmet is often worn to the riding personnel to the protection head.

The traditional riding helmet is only made into a single shell to be coated on the head, and although the traditional riding helmet is simple in structure and low in cost, the traditional riding helmet is too single in function and general in protection effect. The conventional safety helmet includes functions such as illumination and image pickup, but the following disadvantages are found in the use process: firstly, when riding in rainy weather in summer, under the blowing of wind power, rainwater can enter the head of a rider along a helmet through a cap of a poncho, so that the use experience is influenced; secondly, when the use environment temperature is low, white frost appears on the face mask of the helmet due to the breathing of riders, although the function of a wiper is arranged on the face mask in the existing novel safety helmet, the white frost removing capability is weak, and the driving safety is affected; and thirdly, when seasons change due to large difference between the cold and hot environments, the helmet corresponding to the seasons still needs to be purchased again, and then related supporting equipment needs to be purchased again, so that the consumption investment of riders is increased, and the conventional helmet can only be placed to cause resource waste.

Disclosure of Invention

The present invention is directed to a safety helmet that overcomes the above-mentioned shortcomings of the prior art.

A safety helmet comprises a lining, a helmet shell, a mask, an opening and closing mechanism and a power supply mechanism, wherein the whole helmet shell is streamline, two first ventilation openings which are symmetrically arranged are formed in the upper end of the helmet shell, a first arc-shaped baffle is hinged to the upper end of the first ventilation opening, a breathing hole is formed in the lower end of the helmet shell, a filter is arranged at a position, corresponding to the breathing hole, on the helmet shell, a plurality of ventilation holes which are circumferentially arranged are formed in the upper end of the lining, the lining is fixed in the helmet shell and used for being worn on the head of a human body, the mask is arranged at the front of the helmet shell, the mask can cover the face of the human body and form a breathing area with the face of the human body, two symmetrical second ventilation openings are formed between the side end of the mask and the helmet shell, a second arc-shaped baffle is hinged to the upper end of the second ventilation opening and closing mechanism, and is used for opening and closing the two symmetrical first ventilation openings and the second ventilation openings.

Preferably, the opening and closing mechanism comprises a dust cover, a hand wheel with a protruding structure, a first gear and a threaded stop lever, the dust cover is detachably mounted at the rear part of the helmet shell, the hand wheel is rotatably mounted at the side end of the dust cover through a first connecting rod, the threaded stop lever is also in threaded connection with the side end of the dust cover, the other end of the first connecting rod is rotatably connected to the upper end of the helmet shell, the first gear is fixed on the first connecting rod and is meshed with a second gear, the side end of the second gear is fixedly provided with a second connecting rod, the other end of the second connecting rod is rotatably connected to the upper end of the helmet shell, the first gear and the second gear are hinged with gear sets, the two gear sets are fixedly arranged between the helmet shell and the lining, the other end of each gear set is fixedly connected to a hinge rod at the hinge position of the helmet shell and the first baffle, a first chain wheel is further fixed on the hinge rod, and, the first chain wheel is connected with the second chain wheel through a transmission chain.

Preferably, power supply mechanism includes battery, light and hair dryer, battery demountable installation is in the upper end of helmet shell to be used for supplying power to battery and hair dryer, the hair dryer is installed in the upper end of filter, and the output and the face guard of hair dryer cooperate, light and hair dryer all link to each other with the battery through the electric wire.

Preferably, the first arc-shaped baffle and the second arc-shaped baffle are respectively matched with the first vent and the second vent, when the helmet shell is in an open state, the arc-shaped tail ends of the first baffle and the second baffle are both concave inwards and face the first vent and the second vent, and when the helmet shell is in a closed state, no obvious concave-convex part can be formed on the surface of the helmet shell.

Preferably, a locking nut is arranged between the rod head and the dust cover on the threaded stop lever, the other end of the threaded stop lever can be inserted into teeth of the second gear, and after the first baffle and the second baffle are unfolded, the end part of the threaded stop lever is abutted against the teeth of the second gear, so that the unfolding angle of the first baffle and the second baffle is limited.

Preferably, a cotton net and an electric heater are further arranged between the inner liner and the helmet shell, the cotton net does not prevent ventilation and does not directly contact with the electric heater, and the electric heater is connected with a storage battery.

Preferably, the illuminating lamp, the air blower and the electric heater are connected in a pairwise parallel circuit mode.

The invention has the advantages that:

(1) through setting up the mechanism that opens and shuts, before riding in the rainy weather in summer, the wrench movement sets up in the hand wheel of helmet shell rear end, will be used for carrying out the whole closures of baffle one and baffle two that ventilate to head and face, inside the rainwater just can not get into the helmet with the wind like this, optimization travel experience.

(2) Through setting up the air blower of installing in the face guard lower extreme that is supplied power by the battery, in the environment of lower temperature, still can prevent to produce the phenomenon of white frost because of riding personnel's breathing on the face guard, guaranteed the definition in the field of vision.

(3) Through setting up vent one, vent two, opening and shutting mechanism and power supply mechanism, and the parallelly connected electric heater, when the season change that cold and hot environment differs greatly, for example change to under the low temperature condition by high temperature, only need the adjusting handle, control baffle one and baffle two will be used for vent one and vent two of ventilation to close, and open the electric heater simultaneously and heat up the heating to helmet inside, just can realize the purpose that the same helmet also can be shared in the season that the difference in temperature is great in summer and winter.

Drawings

Fig. 1 is a schematic structural view of the present invention in a state where a first shutter and a second shutter are opened.

Fig. 2 is a schematic structural diagram of the present invention in a state that the first baffle and the second baffle are closed.

Fig. 3 is a schematic structural view of the opening and closing mechanism of the present invention.

Fig. 4 is a schematic structural diagram of a power supply mechanism according to the present invention.

FIG. 5 is a schematic structural diagram of a part of the structure of the present invention.

The helmet comprises a liner 1, a helmet shell 2, a face mask 3, an opening and closing mechanism 4, a power supply mechanism 5, a vent I6, a vent I7, a baffle I8, a breathing hole 9, a filter 10, a vent I11, a vent II 12, a baffle II 13, a cotton net 401, a dustproof cover 402, a hand wheel 402, a gear I403, a threaded stop lever 404, a link I405, a link II 406, a gear II 407, a link II 408, a gear set 409, a sprocket I410, a sprocket II 411, a transmission chain 412, a locking nut 501, a storage battery 502, a lighting lamp 503, a blower 504, an electric wire 505 and an electric heater.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, a safety helmet comprises a lining 1, a helmet shell 2, a face shield 3, an opening and closing mechanism 4 and a power supply mechanism 5, wherein the whole of the helmet shell 2 is streamline, two first ventilation openings 6 which are symmetrically arranged are formed in the upper end of the helmet shell 2, an arc-shaped baffle plate 7 is hinged to the upper end of the first ventilation opening 6 on the helmet shell 2, a breathing hole 8 is formed in the lower end of the helmet shell 2, a filter 9 is installed at a position, corresponding to the breathing hole 8, on the helmet shell 2, a plurality of circumferentially arranged ventilation holes 10 are formed in the upper end of the lining 1, the lining 1 is fixed in the helmet shell 2 and is worn on the head of a human body, the face shield 3 is arranged in the front of the helmet shell 2, the face shield 3 can cover the face of the human body and form a breathing area with the face of the human body, two symmetrical ventilation openings 11 are formed between the side end of the face shield 3 and the helmet shell 2, an arc-shaped baffle plate 12 is hinged, the opening and closing mechanism 4 is installed on the helmet shell 2 and used for opening and closing the first ventilation opening 6 and the second ventilation opening 11 which are symmetrical.

The air blower 503 may be normally opened when used regardless of whether it is at a high temperature or a low temperature, and the face mask 3 may be opened to blow the cheek of the rider with the air blower 503 for ventilation when no wind is present or when the rider is not riding.

In this embodiment, the opening and closing mechanism 4 includes a dust cover 401, a hand wheel 402 with a protrusion structure, a first gear 403 and a threaded stop lever 404, the dust cover 401 is detachably mounted at the rear portion of the helmet shell 2, the hand wheel 402 is rotatably mounted at the side end of the dust cover 401 through a first connecting rod 405, the threaded stop lever 404 is also in threaded connection with the side end of the dust cover 401, the other end of the first connecting rod 405 is rotatably connected to the upper end of the helmet shell 2, the first gear 403 is fixed on the first connecting rod 405 and is engaged with a second gear 406, the side end of the second gear 406 is fixed with a second connecting rod 407, the other end of the second connecting rod 407 is rotatably connected to the upper end of the helmet shell 2, the first gear 403 and the second gear 406 are both hinged to a gear set 408, two sets of the gear sets 408 are both fixedly disposed between the helmet shell 2 and the liner 1, and the other end of the gear set 408 is fixedly, the hinge rod is further fixedly provided with a first chain wheel 409, the hinge rod at the hinge position of the helmet shell 2 and the second baffle 12 is fixedly provided with a second chain wheel 410, and the first chain wheel 409 and the second chain wheel 410 are connected through a transmission chain 411.

It should be noted that the gear set 408 includes four gears and a meshed sector gear, and the fixing rod between the four meshed gears in the gear set 408 is axially and rotatably installed between the helmet shell 2 and the inner liner 1.

In this embodiment, the power supply mechanism 5 includes a storage battery 501, an illuminating lamp 502 and a blower 503, the storage battery 501 is detachably mounted at the upper end of the helmet shell 2 and is used for supplying power to the storage battery 501 and the blower 503, the blower 503 is mounted at the upper end of the filter 9, the output end of the blower 503 is matched with the mask 3, and the illuminating lamp 502 and the blower 503 are both connected with the storage battery 501 through an electric wire 504.

In this embodiment, the first arc-shaped baffle 7 and the second arc-shaped baffle 12 are respectively matched with the first vent 6 and the second vent 11, when the helmet shell is in an open state, the arc-shaped ends of the first baffle 7 and the second baffle 12 are both concave inwards and face the first vent 6 and the second vent 11, and when the helmet shell is in a closed state, no obvious concave-convex part can be formed on the surface of the helmet shell 2.

In this embodiment, the locking nut 412 is disposed between the rod head and the dust cover 401 on the threaded stop lever 404, the other end of the threaded stop lever 404 can be inserted into the teeth of the second gear 406, and after the first baffle 7 and the second baffle 12 are unfolded, the end of the threaded stop lever 404 is abutted against the teeth of the second gear 406, so as to limit the unfolding angle of the first baffle 7 and the second baffle 12.

In this embodiment, a cotton net 13 and an electric heater 505 for buffering are further provided between the inner liner 1 and the helmet shell 2, the cotton net 13 does not prevent ventilation and does not directly contact the electric heater 505, and the electric heater 14 is connected to the battery 501.

The illumination lamp 502, the blower 503, and the electric heater 505 are connected in parallel.

The working process and principle are as follows: in the using process of the invention, firstly considering environmental factors, when the environmental temperature is higher and a rider needs to ventilate, the locking nut 412 is unscrewed, the threaded stop lever 404 is rotated out of the teeth in the second gear 406, the limitation of the threaded stop lever 404 on the second gear 406 is cancelled, then the hand wheel 402 is rotated anticlockwise, the first symmetrically arranged baffles 7 are driven to be completely opened by the first gear 403 and the gear set 408, the two symmetrically arranged baffles 12 are synchronously opened by the first sprocket 409 and the second sprocket 410 driven by the transmission chain 411, finally the threaded stop lever 404 is screwed into the teeth of the second gear 406, and the locking nut 412 is screwed tightly to finish the fixing of the opening angle of the first baffle 7 and the second baffle 12.

When the ambient temperature is low or in rainy days, the first baffle 7 and the second baffle 12 are completely closed through reverse operation of the process, so that rainwater can be prevented from flowing backward into the helmet, the air blower 503 is turned on at the moment to disperse white frost condensed on the face mask or disperse rainwater on the face mask, the clear visual field in the driving process is ensured, the electric heater 505 can be selectively turned on and off, and the head of a person riding on the helmet can be warmed.

The arranged illuminating lamp 502 can also ensure the view of the riding personnel in the dark environment, thereby further enhancing the application range of the helmet.

Based on the above, by arranging the opening and closing mechanism 4, before riding in rainy days in summer, the hand wheel 402 arranged at the rear end of the helmet shell is twisted, and the first baffle 7 and the second baffle 12 for ventilating the head and the face are all closed, so that rainwater cannot enter the interior of the helmet along with wind, and the driving experience is optimized; the air blower 503 which is powered by the storage battery 501 and is arranged at the lower end of the mask is arranged, so that the phenomenon that white frost is generated on the mask due to the breathing of a rider can be still prevented in a low-temperature environment, and the definition of the visual field is ensured; through setting up vent one 6, vent two 11, opening and shutting mechanism 4 and power supply mechanism 5, and the parallelly connected electric heater 505, when the season change that the cold and hot environment differed greatly, for example change to under the low temperature condition by high temperature, only need adjust hand wheel 402, control baffle one 7 and baffle two 12 will be used for vent one 6 and vent two 11 of ventilation to close, and open electric heater 505 simultaneously and heat up the heating to helmet inside, just can realize the purpose that the great season of difference in temperature in summer and winter also can share same helmet.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The safety helmet is characterized by comprising a lining (1), a helmet shell (2), a mask (3), an opening and closing mechanism (4) and a power supply mechanism (5), wherein the whole helmet shell (2) is streamline, two symmetrically arranged ventilation openings I (6) are formed in the upper end of the helmet shell (2), an arc-shaped baffle I (7) is hinged to the upper end of the ventilation opening I (6) on the helmet shell (2), a breathing hole (8) is formed in the lower end of the helmet shell (2), a filter (9) is installed at a position, corresponding to the breathing hole (8), on the helmet shell (2), a plurality of circumferentially arranged ventilation holes (10) are formed in the upper end of the lining (1), the lining (1) is fixed in the helmet shell (2) and is worn on the head of a human body, the mask (3) is arranged in the front of the helmet shell (2), and the mask (3) can cover the face of the human body and form a breathing area with the face of the human body, two symmetrical ventilation openings II (11) are formed between the side end of the face mask (3) and the helmet shell (2), a curved baffle plate II (12) is hinged to the upper end of the ventilation opening II (11) on the helmet shell (2), and the opening and closing mechanism (4) is installed on the helmet shell (2) and used for opening and closing the two symmetrical ventilation openings I (6) and the ventilation opening II (11).

2. A safety helmet according to claim 1, wherein: the opening and closing mechanism (4) comprises a dust cover (401), a hand wheel (402) with a protruding structure, a first gear (403) and a threaded stop lever (404), the dust cover (401) is detachably mounted at the rear part of the helmet shell (2), the hand wheel (402) is rotatably mounted on the side end of the dust cover (401) through a first connecting rod (405), the threaded stop lever (404) is also in threaded connection with the side end of the dust cover (401), the other end of the first connecting rod (405) is rotatably connected to the upper end of the helmet shell (2), the first gear (403) is fixed on the first connecting rod (405) and is meshed with a second gear (406), a second connecting rod (407) is fixed on the side end of the second gear (406), the other end of the second connecting rod (407) is rotatably connected to the upper end of the helmet shell (2), and the first gear (403) and the second gear (406) are both hinged with a gear set (, gear train (408) have two sets ofly and all fixed set up between helmet shell (2) and inside lining (1), the other end fixed connection of gear train (408) is on the hinge bar of helmet shell (2) and baffle (7) articulated department, still be fixed with sprocket (409) on the hinge bar, be fixed with sprocket two (410) on the hinge bar of helmet shell (2) and baffle two (12) articulated department, link to each other through driving chain (411) between sprocket (409) and the sprocket two (410).

3. A safety helmet according to claim 1, wherein: the power supply mechanism (5) comprises a storage battery (501), a lighting lamp (502) and a blower (503), wherein the storage battery (501) is detachably mounted at the upper end of the helmet shell (2) and used for supplying power to the storage battery (501) and the blower (503), the blower (503) is mounted at the upper end of the filter (9), the output end of the blower (503) is matched with the mask (3), and the lighting lamp (502) and the blower (503) are connected with the storage battery (501) through electric wires (504).

4. A safety helmet according to claim 2, wherein: the arc-shaped baffle I (7) and the arc-shaped baffle II (12) are respectively matched with the vent I (6) and the vent II (11), when the helmet shell is in an open state, the arc-shaped ends of the baffle I (7) and the baffle II (12) are all concave inwards and face the vent I (6) and the vent II (11), and when the helmet shell is in a closed state, obvious concave-convex parts cannot appear on the surface of the helmet shell (2).

5. A safety helmet according to claim 2, wherein: and a locking nut (412) is arranged between the rod head and the dust cover (401) on the threaded stop lever (404), the other end of the threaded stop lever (404) can be inserted into the teeth of the second gear (406), and after the first baffle (7) and the second baffle (12) are unfolded, the end part of the threaded stop lever (404) is abutted against the teeth of the second gear (406), so that the unfolding angle of the first baffle (7) and the second baffle (12) is limited.

6. A safety helmet according to claim 1, wherein: still be equipped with cotton web (13) and electric heater (505) of playing the cushioning effect between inside lining (1) and helmet shell (2), cotton web (13) do not prevent the ventilation and with electric heater (505) do not have direct contact, electric heater (14) link to each other with battery (501).

7. A safety helmet according to claim 6, wherein: the illuminating lamp (502), the air blower (503) and the electric heater (505) are connected in a two-by-two parallel circuit mode.