CN218073700U - Multifunctional helmet - Google Patents

Abstract

The utility model discloses a multifunctional helmet, which comprises a body and a lower jaw protection component arranged on the body, wherein the lower jaw protection component comprises a fixed seat, a rotating seat, a gear and a lower jaw protection shell; the utility model discloses a multifunctional helmet can switch between full helmet mode and three-fourth helmet mode according to the demand, and the mode is nimble changeable, and simple structure is reasonable moreover, through wheel and rack cooperation transmission for the lower jaw protective housing motion is more smooth and easy, also can reduce the noise that produces in the motion process, promotes user experience, and wheel and rack meshing has certain self-locking function, can prevent to rotate by oneself wearing in-process lower jaw protective housing, promotes the reliability of structure.

Description

Multifunctional helmet

Technical Field

The utility model relates to a helmet correlation technique field especially relates to a multifunctional helmet.

Background

Helmets are used to protect the head of a wearer, and are commonly worn to ensure safety, especially when riding or performing certain sports. At present, the traditional helmets on the market are various in types and are divided into several major categories: full helmet, cross-country helmet, three-quarter helmet, uncovered helmet, half-helmet (also called Halley helmet). Full-helmet and off-road helmet: this 2 full-face type helmets of section, its main helmet body integrated into one piece, the safety of the whole head of guarantee that can be fine also is safest in all helmet types to the full helmet is suitable for a lot of motorcycle types and match place, has perfect full head protect function, advantage: the helmet can protect the whole head of a user comprehensively, and the whole-face helmet also provides more protection from noise, sunlight, wind, rain, cold, insects and stones; the disadvantages are as follows: summer is comparatively sultry and lacks the ventilation, and it is inconvenient to use to ride wears. Three-quarter helmet: compare the structure that whole helmet has lacked the chin, relatively be fit for wearing when riding in spring summer autumn, the advantage: convenience of daily use, and ventilation and cooling in summer riding because it looks like a fighter helmet as handsome; the disadvantages are as follows: if the motorcycle is driven violently or the speed is high, three quarters of helmets are not recommended to be worn, the situation that the face and the chin are not protected enough and are impacted by road gravels and other things is abandoned, and the motorcycle accident is about three minutes, and the chin can be fallen down. A half helmet: neglect the protection of chin and back brain, very like the helmet of taking a guarantee of usefulness, this type of helmet type protectiveness is very poor, can only play the effect of protection top, wears when this type of helmet is more suitable for returning to the ancient car, scooter or low-speed to travel, the advantage: the weight is light, the wearing is cool, the daily use is convenient, and the carrying is convenient; the disadvantages are as follows: poor protection, large wind noise, poor warmth retention and unsuitability for high-speed riding. The uncovering helmet is a variant of a full helmet, can lift the chin and the lenses together and is changed into a shape similar to a three-quarter helmet, and has the advantages that: the daily use convenience is good, the heat retention is general, and the influence on the use in rainy days is small; the disadvantages are as follows: the helmet body is large and inconvenient to carry, the center of gravity of the helmet is unbalanced and heavy, the protection performance is general, and the wind noise suppression is general. The helmet types required by different occasions according to different requirements, different vehicle types, different road sections and different occasions in the traditional market have multiple advantages and simultaneously have defects.

In summary, a multifunctional helmet with a more reasonable, more user-friendly and safer structure design and capable of switching between different modes according to requirements is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional helmet, it has the characteristics of wearing comfortablely, structural design hommization and can switch different modes according to the demand to overcome the not enough that exist among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

a multifunctional helmet comprises a body and a lower jaw protection assembly arranged on the body, wherein the lower jaw protection assembly comprises a fixed seat, a rotating seat, a gear and a lower jaw protection shell, the fixed seat is arranged on the side face of the body, the rotating seat is arranged on the fixed seat, a sliding groove is formed in the rotating seat, a rack is arranged at the edge of the sliding groove, the gear penetrates through the sliding groove and is fixed on the body together with the fixed seat, the gear is meshed with the rack, and the lower jaw protection shell is connected with the rotating seat.

In one embodiment, one end of the gear, which is close to the body, is provided with a rotation stopping block, and the body is provided with a clamping groove corresponding to the rotation stopping block.

In one embodiment, the rack is disposed on one side of the sliding chute along a length extending direction of the sliding chute.

In one embodiment, the lower jaw protection assembly further comprises a positioning pin and a reset piece, a containing groove for installing the positioning pin is formed in one side, close to the body, of the rotating seat, two ends of the reset piece abut against the inner walls of the positioning pin and the containing groove respectively, and a positioning column corresponding to the positioning pin is arranged on the fixing seat.

In one embodiment, the safety helmet further comprises a goggles assembly, the goggles assembly comprises a support and goggles, the support is arranged between the fixed seat and the body, the support is rotatably connected with the fixed seat, and the goggles are connected with one end of the support.

In one embodiment, the middle part of the bracket is rotatably connected with the fixed seat, one end of the bracket, which is far away from the goggles, is provided with a toggle column, the fixed seat is provided with a clearance groove corresponding to the toggle column, and one side of the rotary seat, which is close to the fixed seat, is provided with an inner side plate for toggling the toggle column.

In one embodiment, a rotating shaft is arranged on one side, close to the body, of the fixing seat, a shaft hole is formed in the middle of the support, and the rotating shaft penetrates through the shaft hole.

In one embodiment, the eye protection assembly further comprises a positioning sliding block and an elastic piece, the positioning sliding block is slidably arranged at one end, close to the goggles, of the support, an installation groove for installing the positioning sliding block is formed in the support, a damping column is arranged on one side, close to the fixed seat, of the positioning sliding block, a track corresponding to the damping column is formed in the fixed seat, one end of the elastic piece is abutted to the positioning sliding block, and the other end of the elastic piece is abutted to the side wall of the installation groove.

In one embodiment, a guide rail is arranged on the inner wall of the mounting groove, and a U groove corresponding to the guide rail is arranged on the positioning sliding block.

In one embodiment, the chin protection assembly further comprises a cover plate, the chin protection casing is connected with the rotary base through a fastener, and the cover plate is used for covering the fastener.

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

the utility model discloses a multifunctional helmet can switch over between full helmet mode and three-quarter helmet mode according to the demand, the mode is nimble changeable, and simple structure is reasonable, in the switching process, the lower jaw protective housing drives the roating seat and is the flexible sliding motion to the roating seat relative gear when being rotatory around the gear as fixed central point, make when full helmet mode switches over to three-quarter helmet mode, the lower jaw protective housing is in the process of 180 degrees of overturning to the body back by the body front, the lower jaw protective housing can rotate and move forward the synchronous double action, make the lower jaw protective housing laminate with the back of body, in order to reduce the windage, and more pleasing to the eye, also can make the whole weight distribution of helmet more even; in addition, through gear and rack cooperation transmission for the lower jaw protective housing motion is more smooth and easy, also can reduce the noise that the motion in-process produced, promotes user experience, and gear and rack meshing has certain self-locking function, can prevent to wear in-process lower jaw protective housing rotation by oneself, promotes the reliability and the security of structure.

Drawings

Fig. 1 is a schematic view of the overall structure of a multifunctional helmet according to a preferred embodiment of the present invention;

fig. 2 is a side view of the multifunctional helmet shown in fig. 1, wherein the chin protection cover and the cover plate are not shown;

FIG. 3 is a schematic view of another perspective structure of the fixing base, the rotating base gear and the bracket of the multifunctional helmet shown in FIG. 2;

FIG. 4 is an exploded view of the multi-purpose helmet of FIG. 1;

FIG. 5 is an exploded view of the fixing base, the rotating base, the gear and the bracket shown in FIG. 3;

FIG. 6 is a schematic view of another perspective structure of the fixing base, the rotating base, the gear and the bracket shown in FIG. 5;

fig. 7 is a schematic structural view of the rotary base, the positioning pin and the reset member shown in fig. 6;

FIG. 8 is a schematic structural view of the bracket, the positioning slider and the elastic member shown in FIG. 5;

fig. 9 is a state view of the multifunctional helmet shown in fig. 1 in a three-quarter helmet mode.

Fig. 10 is a schematic structural change diagram of the multifunctional helmet shown in fig. 1, which is switched from a full helmet mode to a three-quarter helmet mode, and then from the three-quarter helmet mode to the full helmet mode.

Fig. 11 is a schematic structural view of the chin protection assembly and eye protection assembly 30 of the multifunctional helmet (a) shown in fig. 10, wherein the chin protection cup and the visor are not shown;

fig. 12 is a schematic structural view of the chin protection assembly and eye protection assembly 30 in the state of the multifunctional helmet (b) shown in fig. 10, wherein the chin protection shell and the visor are not shown;

fig. 13 is a schematic structural view of the chin protection assembly and eye protection assembly 30 in the state of the multifunctional helmet (c) shown in fig. 10, wherein the chin protection shell and the visor are not shown;

fig. 14 is a schematic structural view of the chin protection assembly and eye protection assembly 30 in the state of the multifunctional helmet (d) shown in fig. 10, wherein the chin protection shell and the visor are not shown;

fig. 15 is a schematic structural view of the chin protection assembly and eye protection assembly 30 in the state of the multifunctional helmet (e) shown in fig. 10, wherein the chin protection housing and the visor are not shown.

Reference is made to the accompanying drawings in which:

the multifunctional helmet 100:

a body 10, a clamping groove 11; the lower jaw protection assembly 20, the fixed seat 21, the positioning column 211, the rotating shaft 212, the clearance groove 213, the track 214, the rotating seat 22, the sliding groove 221, the rack 222, the accommodating groove 223, the inner side plate 224, the gear 23, the rotation stopping block 231, the lower jaw protection shell 24, the positioning pin 25, the resetting piece 26 and the cover plate 27; the eye protection assembly 30, a bracket 31, a shaft hole 311, a toggle column 312, a mounting groove 313, a guide rail 314, a goggles 32, a positioning slide block 33, a damping column 331, a U-shaped groove 332 and an elastic piece 34.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a number of an element is referred to as "a plurality," it can be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present invention will be described in detail with reference to embodiments shown in the drawings:

as shown in fig. 1 to 9, in order to provide a multifunctional helmet 100 according to a preferred embodiment of the present invention, the multifunctional helmet includes a body 10 and a chin protecting assembly 20 installed on the body 10, the chin protecting assembly 20 includes a fixing base 21, a rotating base 22, a gear 23 and a chin protecting cover 24, the fixing base 21 is installed on a side surface of the body 10, the rotating base 22 is installed on the fixing base 21, a sliding slot 221 is formed on the rotating base 22, a rack 222 is disposed on an edge of the sliding slot 221, the gear 23 penetrates through the sliding slot 221 and the fixing base 21 to be fixed on the body 10, the gear 23 is engaged with the rack 222, and the chin protecting cover 24 is connected with the rotating base 22. The utility model discloses a multifunctional helmet 100 can switch between full helmet mode and three fourths helmet modes according to the demand, the mode is nimble changeable, and simple structure is reasonable moreover, through gear 23 and rack 222 cooperation transmission, it is more smooth and easy to make the lower jaw protective housing 24 move, also can reduce the noise that produces in the motion process, promote user experience, and gear 23 has certain self-locking function with rack 222 meshing, can prevent to rotate by oneself wearing in-process lower jaw protective housing 24, promote the reliability of structure.

As shown in fig. 1 and 2, a space for wrapping the head of the user is provided inside the main body 10, and the main body 10 serves as a main supporting structure of the helmet, and is mainly used for protecting the back head, the crown and two sides of the head of the wearer.

As shown in fig. 1, 2 and 6, the lower jaw protection assembly 20 is mounted on the body 10, and the lower jaw protection assembly 20 has a left-right symmetrical structure, one side of which will be described in detail below. The chin protection assembly 20 includes a fixed base 21, a rotary base 22, a gear 23 and a chin protection cover 24. The fixing seat 21 is installed on the side of the body 10, specifically, the fixing seat 21 is installed on the two sides of the ear position of the body 10. The rotary seat 22 is disposed on one side of the fixed seat 21 away from the body 10, a sliding groove 221 is disposed on the rotary seat 22, a rack 222 is disposed on an edge of the sliding groove 221, and further, the rack 222 is disposed on one side of the sliding groove 221 along a length extending direction of the sliding groove 221. The gear 23 penetrates through the sliding groove 221 and is fixed on the body 10 together with the fixed seat 21, and the gear 23 is meshed with the rack 222. The lower jaw protection shell 24 is connected with the rotary seat 22, when the lower jaw protection shell 24 is positioned in front of the body 10, the lower jaw protection shell 24 is used for protecting the chin of a wearer, and the lower jaw protection shell 24 and the body 10 form a full helmet mode, so that the head of the wearer can be protected more comprehensively; when the chin guard 24 is located behind the body 10, the multifunctional helmet 100 is in a three-quarter mode, which is more comfortable for the wearer to wear and ventilate when the wearer is traveling at a low speed. According to the multifunctional helmet 100, when the full-helmet mode and the three-quarter-helmet mode are switched, the gear 23 is used as a rotating central point when the mandible protecting shell 24 rotates, and the size of the mandible protrusion is larger than that of the back head spoon protrusion of a human skull relative to the cervical vertebra, so that the gear 23 is used as the central point of the body 10, and the size of the gear 23 in front of the body 10 is larger than that of the gear 23 in back of the body 10, so that when the mandible protecting shell 24 is perfectly attached to the body 10, if the gear 23 is used as the central point to rotate to the back of the body 10, the mandible protecting shell 24 protrudes out of the body 10, the appearance is not perfect, wind resistance and wind noise are too large during driving, and the wearing experience is affected.

As shown in fig. 3 and 4, in order to prevent the gear 23 from rotating during operation and ensure that the lower jaw protection shell 24 can also slide a corresponding distance while rotating, one end of the gear 23 close to the body 10 is provided with a rotation stop block 231, and the body 10 is provided with a slot 11 corresponding to the rotation stop block 231.

As shown in fig. 6 and 7, in order to avoid the potential safety hazard caused by the fact that the chin protecting cover 24 rotates randomly when the multifunctional helmet 100 is in the three-fourth helmet mode, the chin protecting assembly 20 further includes a positioning pin 25 and a reset piece 26, one side of the rotating base 22 close to the body 10 is provided with a containing groove 223 for installing the positioning pin 25, two ends of the reset piece 26 abut against inner walls of the positioning pin 25 and the containing groove 223 respectively, and the fixing base 21 is provided with a positioning post 211 corresponding to the positioning pin 25. When the lower jaw protective shell 24 is positioned behind the body 10, one end, away from the resetting piece 26, of the positioning pin 25 is abutted against the positioning column 211, so that the positioning pin 25 is clamped, the lower jaw protective shell 24 is prevented from rotating randomly, the resetting piece 26 can enable the positioning pin 25 to be abutted against the positioning column 211, reliability is improved, and when the lower jaw protective shell 24 needs to rotate, only an external force exceeding the elastic force of the resetting piece 26 needs to be applied to the lower jaw protective shell; in this embodiment, the return element 26 is a coil spring. Further, the one end that the locating pin 25 kept away from piece 26 that resets is the toper, and the reference column 211 can be crossed to the locating pin 25 that can be convenient for like this design to realize that the locating pin 25 is blocked or the unblock state of blocking.

In this embodiment, the fixing base 21 is connected to the body 10 by screws, and the lower jaw protection shell 24 is connected to the rotating base 22 by screws. Chin guard assembly 20 further includes a cover plate 27, cover plate 27 being adapted to cover the fasteners. A logo can also be printed on the cover plate 27 according to design requirements to serve as a logo nameplate.

As shown in fig. 1, 2, 5, 6 and 8, the multifunctional helmet 100 further comprises an eye protection assembly 30, wherein the eye protection assembly 30 has a left-right symmetrical structure, and one side of the eye protection assembly is described in detail below. The eye protection assembly 30 comprises a bracket 31 and a protective goggles 32, the bracket 31 is arranged between the fixed seat 21 and the body 10, the bracket 31 is rotatably connected with the fixed seat 21, and the protective goggles 32 are connected with one end of the bracket 31. Further, the middle part and the fixing base 21 swivelling joint of support 31, the one end that goggles 32 were kept away from to support 31 is provided with stirs post 312, be equipped with on the fixing base 21 and stir the clearance groove 213 that post 312 corresponds, one side that roating seat 22 is close to fixing base 21 is provided with the interior plate 224 that is used for stirring stir post 312, through setting up interior plate 224, can realize the linkage of lower jaw protective housing 24 and goggles 32, when lower jaw protective housing 24 was rotatory, interior plate 224 can drive stirs post 312 and removes in clearance groove 213, thereby utilize lever principle to prize goggles 32 synchronous upwards rotatory, so that the user wears. Further, a rotating shaft 212 is disposed on one side of the fixing base 21 close to the body 10, a shaft hole 311 is disposed in the middle of the bracket 31, and the rotating shaft 212 penetrates through the shaft hole 311. Further, eye protection component 30 still includes location slider 33 and elastic component 34, and location slider 33 slides and sets up the one end that is close to goggles 32 at support 31, offers the mounting groove 313 that is used for installing location slider 33 on the support 31, and one side that location slider 33 is close to fixing base 21 is provided with damping post 331, offers the track 214 that corresponds with damping post 331 on the fixing base 21, and the one end and the location slider 33 butt of elastic component 34, the other end and the lateral wall butt of mounting groove 313. By arranging the positioning slide block 33 and the elastic piece 34, the damping column 331 can be kept in contact with the side wall of the track 214, so that the goggles 32 can stay at any position in the movable range of the track 214, the reliability of the goggles 32 is improved, and the goggles 32 are prevented from being suddenly opened or closed in the use process; preferably, the elastic member 34 is a coil spring. Further, the inner wall of mounting groove 313 is provided with guide rail 314, is equipped with the U groove 332 that corresponds with guide rail 314 on the location slider 33, through guide rail 314 and the cooperation of U groove 332 for it is more smooth and easy when location slider 33 slides, promotes user's experience and feels.

As shown in fig. 9, in a state diagram of the multifunctional helmet 100 in the three-quarter mode, when it is required to switch from the full helmet mode to the three-quarter helmet mode, the lower jaw protection shell 24 is pulled upward by hand, in the switching process, the lower jaw protection shell 24 drives the rotary seat 22 to rotate around the gear 23, the rotary seat 22 slides relatively along the sliding groove 221 to rotate and extend, in the process that the lower jaw protection shell 24 rotates from the front of the body 10 to the back of the body 10, the lower jaw protection shell 24 moves forward, so that the lower jaw protection shell 24 is attached to the back of the body 10, and meanwhile, the inner plate 224 pulls the toggle column 312 to drive the goggles 32 to rotate upward, so as to facilitate the user to wear the helmet, or perform operations such as drinking, which is convenient and practical.

As shown in fig. 10 to fig. 15, it is a schematic diagram of the structural change of the multifunctional helmet 100 of the present invention, which is switched from the full-helmet mode to the three-quarter helmet mode, and then switched from the three-quarter helmet mode to the full-helmet mode. The lower jaw protection shell 24 is lifted upwards by hand, at the same time, the lower jaw protection shell 24 drives the goggles 32 to rotate upwards, the rotary seat 22 connected with the lower jaw protection shell 24 rotates upwards by 40 degrees around the center of the gear 23 and contracts inwards, meanwhile, the goggles 32 are lifted upwards by 40 degrees, the goggles 32 are released from contact with the lower jaw protection shell 24 at the angle, and the reason why the lower jaw protection shell 24 can be turned backwards continuously is that: the separation is realized by using the fact that the rotation radius of the goggles 32 is smaller than that of the protective lower jaw protective shell 24, and the rotation center points of the goggles 32 are arranged in a tandem manner to generate a rotation track difference in tandem, so that the goggles 32 can be prevented from interfering with the rotation of the lower jaw protective shell 24. When the multifunctional helmet 100 is switched from the three-quarter helmet mode to the full helmet mode, if the visor 32 is in the working closed state and the chin protection shell 24 is located at the rear of the main body 10, the inner side plate 224 of the swivel base 22 pries the visor 32 to rotate upward 40 degrees during the process that the chin protection shell 24 is turned over forward by 180 degrees by using the lever principle, so that the visor 32 is prevented from interfering with the rotation of the chin protection shell 24.

The utility model discloses a multifunctional helmet 100, can switch between full helmet mode and three-quarter helmet mode according to the demand, the mode is nimble changeable, and simple structure is reasonable, in the switching process, lower jaw protective housing 24 drives roating seat 22 and is rotatory when roating seat 22 is relative gear 23 for fixed central point around gear 23, make when full helmet mode switches to three-quarter helmet mode, lower jaw protective housing 24 is by the preceding 180 in-process of overturning behind body 10 to body 10 in front of body 10, lower jaw protective housing 24 can rotate and move the synchronous double action forward, make lower jaw protective housing 24 laminate with the back of body 10, in order to reduce the windage, and more pleasing to the eye, also can make the whole weight distribution of helmet more even; in addition, through gear 23 and rack 222 cooperation transmission for lower jaw protective housing 24 moves more smoothly, also can reduce the noise that the motion in-process produced, promotes user experience, and gear 23 has certain self-locking function with the rack 222 meshing, can prevent to wear in-process lower jaw protective housing 24 and rotate by oneself, promotes the reliability and the security of structure.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The multifunctional helmet is characterized by comprising a body and a lower jaw protection assembly arranged on the body, wherein the lower jaw protection assembly comprises a fixed seat, a rotating seat, a gear and a lower jaw protection shell, the fixed seat is arranged on the side face of the body, the rotating seat is arranged on the fixed seat, a sliding groove is formed in the rotating seat, a rack is arranged at the edge of the sliding groove, the gear penetrates through the sliding groove and is fixed on the body together with the fixed seat, the gear is meshed with the rack, and the lower jaw protection shell is connected with the rotating seat.

2. The multifunctional helmet as claimed in claim 1, wherein the gear has a rotation stop block at an end thereof adjacent to the body, and the body has a locking groove corresponding to the rotation stop block.

3. The multifunctional helmet according to claim 1, wherein the rack is provided at one side of the sliding groove in a length extending direction of the sliding groove.

4. The multifunctional helmet as claimed in claim 1, wherein the chin protection assembly further comprises a positioning pin and a reset member, wherein a receiving groove for receiving the positioning pin is disposed on a side of the rotating base adjacent to the main body, two ends of the reset member respectively abut against the positioning pin and an inner wall of the receiving groove, and the fixing base is provided with a positioning post corresponding to the positioning pin.

5. The multifunctional helmet of claim 1, further comprising an eye-protection assembly, wherein the eye-protection assembly comprises a bracket and a visor, the bracket is disposed between the fixing base and the body, the bracket is rotatably connected with the fixing base, and the visor is connected with one end of the bracket.

6. The multifunctional helmet according to claim 5, wherein the middle portion of the bracket is rotatably connected to the fixing base, a striking post is disposed at an end of the bracket away from the visor, a clearance groove corresponding to the striking post is disposed on the fixing base, and an inner side plate for striking the striking post is disposed at a side of the rotating base close to the fixing base.

7. The multifunctional helmet as claimed in claim 6, wherein a rotation shaft is disposed on one side of the fixing base close to the main body, and a shaft hole is disposed in a middle portion of the supporting frame, and the rotation shaft penetrates through the shaft hole.

8. The multifunctional helmet of claim 5, wherein the eye-protecting assembly further comprises a positioning slider and an elastic member, the positioning slider is slidably disposed at one end of the support close to the goggles, the support is provided with a mounting groove for mounting the positioning slider, one side of the positioning slider close to the fixing base is provided with a damping post, the fixing base is provided with a track corresponding to the damping post, one end of the elastic member abuts against the positioning slider, and the other end of the elastic member abuts against a side wall of the mounting groove.

9. The multifunctional helmet according to claim 8, wherein the inner wall of the mounting groove is provided with a guide rail, and the positioning slider is provided with a U-shaped groove corresponding to the guide rail.

10. The multifunctional helmet as claimed in claim 1, wherein the chin protection assembly further comprises a cover plate, the chin protection shield being coupled to the rotating base by a fastener, the cover plate being adapted to cover the fastener.

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