CN113331527A - Jaw lock structure of safety helmet - Google Patents
Jaw lock structure of safety helmet Download PDFInfo
- Publication number
- CN113331527A CN113331527A CN202110761051.6A CN202110761051A CN113331527A CN 113331527 A CN113331527 A CN 113331527A CN 202110761051 A CN202110761051 A CN 202110761051A CN 113331527 A CN113331527 A CN 113331527A
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- China
- Prior art keywords
- chin
- lock
- helmet shell
- protective
- rocker
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/18—Face protection devices
- A42B3/20—Face guards, e.g. for ice hockey
- A42B3/205—Chin protectors
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- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
- A42B3/326—Helmets with movable or separable chin or jaw guard
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- Helmets And Other Head Coverings (AREA)
Abstract
The invention discloses a chin lock structure of a safety helmet, which comprises a helmet which is required to be worn by a user when the user drives a motorcycle, wherein the helmet comprises a helmet shell, the front end of the helmet shell is provided with a protective cover opening, the lower side of the protective cover opening is provided with a chin protection structure, the left side and the right side of the helmet shell are provided with hinged structures, the chin protection structure is hinged to the left side and the right side of the helmet shell through the hinged structures, a chin lock mechanism is arranged inside the chin protection structure, the hinged structure is used as a rotating shaft of the chin protection structure, the chin lock mechanism rotates upwards and downwards relative to the hinged structure as the shaft to drive the chin protection structure to rotate upwards or downwards, so that the chin lock mechanism is locked and unlocked by a chin, the chin protection structure is convenient to maintain, and the user is also convenient to open the chin protection structure for drinking water, the whole unlocking and locking operation process is very simple, and energy and cost are not required to be consumed to learn.
Description
Technical Field
The invention relates to the technical field of helmets, in particular to a chin lock structure of a safety helmet.
Background
The helmet is a protective tool for protecting the head, and is an indispensable tool in people's traffic, especially for driving a motorcycle, and the wearing of the helmet is very important.
Among the prior art, be usually in the downside position department of helmet installation a chin protection shield, can protect driver's chin through the chin protection shield, in order to prevent that the chin protection shield from down rotating the in-process and bruising driver's chin, fix the both sides of chin protection shield firmly on helmet main body's both sides usually, the chin protection shield adopts this kind of fixed mode, can have some weak points:
(1) the existing chin guard plate is firmly fixed on the helmet, so that the helmet is relatively fixed and has insufficient flexibility;
(2) the chin protection plate is very inconvenient to disassemble, can be damaged and is inconvenient to replace when the chin protection plate needs to be maintained;
(3) because the chin protection board is firmly fixed together with the helmet, therefore, the driver is inconvenient in the state of wearing the helmet talk with other people, and the driver is also inconvenient to have a rest in the driving process, for example, drinking water or drink very inconvenient.
Therefore, a safety helmet and a chin lock structure are urgently needed.
Disclosure of Invention
Aiming at the defects of the prior art that the chin protection plate is firmly fixed with a helmet, the chin protection plate is inconvenient to maintain, a driver is inconvenient to speak and drink water and the like, the technical problem to be solved by the invention is to provide the safety helmet and the chin lock structure thereof, which can quickly unlock and lock the chin protection plate, facilitate the maintenance of the chin protection plate, open the chin protection plate, facilitate the driver to drink water or drink water, blow air and ventilate, are very convenient to use, have higher safety, can reduce the manual operation and learning cost, do not need to consume a lot of energy to learn, and are very simple to operate.
In order to solve the technical problem, the invention provides a chin lock structure of a safety helmet, which comprises a helmet worn by a user when the user drives a motorcycle, wherein the helmet comprises a helmet shell, a protective cover opening is formed in the front end of the helmet shell, a chin protection structure is arranged on the lower side of the protective cover opening, hinge structures are arranged on the left side and the right side of the helmet shell, the chin protection structure is hinged to the left side and the right side of the helmet shell through the hinge structures, a chin lock mechanism is arranged inside the chin protection structure, the hinge structures are used as rotating shafts of the chin protection structure, and the chin rotates upwards and downwards relative to the hinge mechanisms with the lock mechanisms as the shafts to drive the chin protection structure to rotate upwards or downwards, so that the chin lock mechanism can lock and unlock the chin protection structure.
Preferably, the outer surface of the left and right sides of the helmet shell is provided with a fixing part, the rear end parts of the left and right sides of the chin guard structure are butted with the fixing parts of the left and right sides of the helmet shell, and the hinge structure is arranged at the butt joint of the chin guard structure and the helmet shell to realize the rotation of the chin guard structure.
Preferably, the hinge structure includes a hinge bolt and a hinge washer, the rear end portions of the left and right sides of the chin guard structure are provided with internal threads, the hinge bolt is inserted and engaged from the outside to the inside of the helmet shell, the hinge bolt is screwed into the internal threads of the chin guard structure to achieve the hinge of the chin guard structure and the helmet shell, the hinge washer is fitted over the hinge bolt and the internal threads to prevent the hinge bolt from being loosened, and the chin guard structure is rotated upward or downward along the helmet shell by the hinge bolt.
Preferably, locking grooves are formed in the left side and the right side of the butt joint of the helmet shell and the chin protection structure.
Preferably, the chin lock mechanism comprises a left lock catch assembly, a right lock catch assembly and a zipper assembly, the zipper assembly is arranged between the left lock catch assembly and the right lock catch assembly, the left locking component and the right locking component are respectively arranged on the left end and the right end of the inner side of the chin protection structure, the zipper component comprises a zipper rope and a zipper fixing seat, the zipper rope penetrates through the zipper fixing seat, the zipper rope is fixed in the middle of the inner side of the chin protection structure through the zipper fixing seat, the left end and the right end of the zipper rope are respectively connected with the left locking component and the right locking component, the pull-lock rope is connected with a pull-rope switch, the chin protection structure rotates towards the lower part of the helmet shell until the chin protection structure rotates to the bottom of the helmet shell, the rear ends of the left locking component and the right locking component are inserted into the locking grooves on the two sides of the bottom of the helmet shell to lock the chin protection structure; the pull switch pushes upwards, and the pull lock rope pulls the left lock catch assembly and the right lock catch assembly under the pushing of the pull switch so that the rear ends of the left lock catch assembly and the right lock catch assembly are separated from the lock groove to achieve unlocking of the chin protection structure.
Preferably, left side hasp subassembly and right hasp subassembly all are equipped with first hasp, second hasp, hasp elastic component is located between first hasp and the second hasp, the one end and the first hasp of hasp elastic component link to each other, the other end and the second hasp of hasp elastic component link to each other, first hasp is equipped with the mounting hole, be equipped with the installed part on the mounting hole, the installed part runs through and from the mounting hole of first hasp and install left hasp subassembly and right hasp subassembly in the inboard left and right both ends of chin protective structure, be equipped with the hook on the second hasp, the hook that the second hasp was hooked in order to realize linking to each other of zip rope and left hasp subassembly, right hasp subassembly to the zip rope.
Preferably, a lock cylinder is arranged at the rear end of the first lock catch, a first lock hook is arranged at the front end of the first lock catch, a second lock hook is arranged at the rear end of the second lock catch, the first lock hook and the second lock hook are in a right-angle shape, the first lock hook and the second lock hook form a lock hook part, the first lock hook of the first lock catch automatically pushes the second lock hook at the rear end of the second lock catch to be hooked with the second lock hook under the elastic action of a lock catch elastic part in the process that the chin protection structure rotates downwards to the bottom of the helmet body along the helmet body, and meanwhile, the lock cylinder at the rear end of the first lock catch is inserted into a lock groove of the helmet shell to lock the chin protection structure; in the process that the pull switch pushes upwards, the pull lock rope pulls the second lock hook at the rear end of the second lock catch under the pushing of the pull switch, and in the process that the second lock catch pulls, the first lock hook at the front end of the first lock catch is automatically away from the locking position of the lock hook part under the elastic action of the lock catch elastic piece, so that the lock column at the rear end of the first lock catch is separated from the lock groove of the helmet shell to unlock the chin protection structure.
Preferably, helmet shell's protection casing opening part covers has protection inner cover mechanism, protection inner cover mechanism left and right both ends with helmet shell left and right both sides's fixed part docks mutually, protection inner cover mechanism includes protection inner cover, protection inner cover support, control protection inner cover pivoted rocker subassembly, the left and right both ends of protection inner cover support and protection inner cover are rotated and are connected and rotationally locate helmet shell inboard in order to realize the protection inner cover, protection inner cover support mounting is at rocker subassembly's front end, install switch module on rocker module's the end, thereby switch module waves through control rocker subassembly and drives the protection inner cover support and wave from top to bottom and then realize opening and closing of protection inner cover.
Preferably, the switch assembly comprises a switch base and a switch button, and the switch button is installed above the switch base.
Preferably, the rocker assembly comprises a protective inner cover protection plate, a first rocker and a second rocker, the first rocker and the second rocker are symmetrically covered on the protective inner cover protection plate, two ends of the first rocker and the second rocker are correspondingly connected with the switch base and the protective inner cover support and form a double-rocker mechanism, the switch button is switched on and off to drive the first rocker and the second rocker on the switch base to rock, and the rocking of the first rocker and the second rocker can drive the protective inner cover support to rock up and down to realize the opening and closing of the protective inner cover.
Compared with the prior art, the scheme of the invention at least comprises the following beneficial effects:
(1) the invention is characterized in that the front end of a helmet shell is provided with a protective cover opening, a chin protection structure is arranged at the lower side of the protective cover opening, the chin of a driver is protected by the chin protection structure to prevent the driver from damaging the chin during driving, hinge structures are arranged at the left side and the right side of the helmet shell, the chin protection structure is hinged at the left side and the right side of the helmet shell through the hinge structures, a chin lock mechanism is arranged inside the chin protection structure, the chin protection structure is driven to rotate upwards or downwards through the chin lock mechanism, the chin protection structure can be locked and unlocked through the chin lock mechanism, the chin protection structure is convenient to replace at the later stage, the opening of the chin protection structure is convenient, the driver can communicate with other people, and the driver can conveniently open the chin protection structure to drink or thirsty, according to the invention, the chin protection structure can be opened and locked by arranging the chin lock mechanism, so that the helmet structure is more flexible.
(2) The chin lock mechanism comprises a left lock catch assembly, a right lock catch assembly and a zipper assembly, wherein the zipper assembly is arranged between the left lock catch assembly and the right lock catch assembly, the zipper assembly comprises a zipper rope and a zipper fixing seat, the left end and the right end of the zipper rope are respectively connected with the left lock catch assembly and the right lock catch assembly, the zipper rope is connected with a pull rope switch, and when a chin protection structure rotates towards the lower part of a helmet shell until the chin protection structure rotates to the bottom of the helmet shell, the rear ends of the left lock catch assembly and the right lock catch assembly are inserted into lock grooves on two sides of the bottom of the helmet shell, so that the chin protection structure is locked; the pull-cord switch is pushed upwards, the zipper rope pulls the left lock catch assembly and the right lock catch assembly under the pushing of the pull-cord switch, the rear ends of the left lock catch assembly and the right lock catch assembly are separated from the lock groove, the chin protection structure is unlocked, the whole unlocking and locking operation process is very convenient, manpower and cost are not consumed to learn operation, the cost input is greatly reduced, the time for unlocking and locking the chin protection structure can be saved, and the convenience is greatly improved.
(3) The invention covers a protective inner cover mechanism at the opening of the protective cover, the protective inner cover mechanism comprises a protective inner cover, a protective inner cover bracket and a rocker component, the protective inner cover bracket is rotatably connected with the left end and the right end of the protective inner cover, thereby realizing that the protective inner cover is rotatablely arranged at the inner side of the helmet shell, the protective inner cover bracket is arranged at the front end of the rocker component, a switch component is arranged at the tail end of the rocker component, the rocker component is controlled by the switch component to rock, thereby driving the protective inner cover bracket to swing up and down, realizing the opening and closing of the protective inner cover, the whole protective inner cover mechanism has simpler structure, can realize the opening and closing of the protective inner cover only by pulling the switch component, and can be closed by pulling the protective inner cover down, the interference of the light on the road section with stronger driving light can be avoided, and the driver can drive conveniently.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic view of the overall construction of the safety helmet of the present invention; .
FIG. 2 is a schematic view of the structure of the opening of the shield of the safety helmet of the present invention;
FIG. 3 is a view showing an installation relationship of the chin guard structure and the chin lock structure of the present invention;
FIG. 4 is an exploded view of FIG. 3 of the present invention;
FIG. 5 is a detailed cross-sectional view of the chin guard structure and chin lock structure of FIG. 3 of the present invention;
FIG. 6 is an exploded view of FIG. 5 of the present invention;
FIG. 7 is a schematic structural view of the protective inner cover mechanism of the present invention;
fig. 8 is an exploded view of fig. 7 of the present invention.
In the figure, the helmet shell 1, the fixing portion 11, the locking groove 12, the shield opening 2, the chin guard structure 3, the hinge structure 4, the hinge bolt 41, the hinge washer 42, the internal thread 43, the chin guard structure 5, the left locking assembly 51, the first locking 511, the second locking 512, the mounting hole 513, the mounting member 514, the hook 515, the locking post 516, the first locking hook 517, the second locking hook 518, the locking elastic member 519, the right locking assembly 52, the zipper assembly 53, the zipper cord 531, the zipper fixing seat 532, the pull cord switch 533, the inner shield mechanism 6, the inner shield 61, the inner shield bracket 62, the rocker assembly 63, the inner shield 631, the first rocker 632, the second rocker 633, the switch assembly 64, the switch base 641, and the switch button 642.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art.
As shown in fig. 1-2, the chin lock structure 5 of a safety helmet provided by the present invention comprises a helmet to be worn by a user when the user drives a motorcycle, the helmet comprises a helmet shell 1, the front end of the helmet shell 1 is provided with a protective cover opening 2, a chin protection structure 3 is arranged at the lower side of the protective cover opening 2, the chin protection structure 3 comprises a chin guard and a buffer material filled in the chin guard, and the wearing of the chin guard is buffered by the buffer material.
Specifically, the left side and the right side of the helmet shell 1 are provided with the hinge structures 4, the chin protection structures 3 are hinged to the left side and the right side of the helmet shell 1 through the hinge structures 4, the chin lock mechanisms are arranged inside the chin protection structures 3, the hinge structures 4 are used as shafts for the relative rotation of the chin protection structures 3, therefore, when the chin lock mechanisms rotate upwards and downwards relative to the hinge mechanisms used as the shafts, the chin protection structures 3 are driven to rotate upwards or downwards through the chin lock mechanisms, the locking and unlocking of the chin protection structures 3 by the chin lock mechanisms are achieved, the opening and the closing of the chin protection structures 3 are facilitated through the chin lock mechanisms, and when the helmet needs to be maintained and replaced by the chin protection structures 3, the replacement is facilitated.
According to the invention, the outer surfaces of the left side and the right side of the helmet shell 1 are respectively provided with the fixing parts 11, the rear end parts of the left side and the right side of the chin protection structure 3 are butted with the fixing parts 11 of the left side and the right side of the helmet shell 1, and the hinge structure 4 is arranged at the butt joint part of the chin protection structure 3 and the helmet shell 1, so that the chin protection structure 3 can rotate through the hinge structure 4.
Specifically, the hinge structure 4 of the present invention includes a hinge bolt 41 and a hinge washer 42, wherein the rear end portions of the left and right sides of the chin guard structure 3 are provided with internal threads 43, the hinge bolt 41 of the present invention is inserted and engaged in a direction from the outside to the inside of the helmet shell 1, and the hinge bolt 41 is screwed into the internal threads 43 of the chin guard structure 3, thereby achieving the hinge joint of the chin guard structure 3 and the helmet shell 1, the hinge washer 42 is fitted over the tightened portion of the hinge bolt 41 and the internal threads 43, the hinge bolt 41 is prevented from being loosened by the hinge washer 42, and the chin guard structure 3 can be rotated upward or downward along the helmet shell 1 by the hinge bolt 41.
Two locking grooves 12 are formed in the left side and the right side of the bottom of the helmet shell 1, and the two locking grooves 12 are respectively located on the left side and the right side of the bottom of the helmet shell 1 and are in butt joint with the chin protection structure 3.
As shown in fig. 3, the chin lock mechanism of the present invention includes a left locking assembly 51, a right locking assembly 52, and a zipper assembly 53, wherein the zipper assembly 53 is disposed between the left locking assembly 51 and the right locking assembly 52, the zipper assembly 53 is fixed in the middle of the inner side of the chin guard structure 3, the left locking assembly 51 and the right locking assembly 52 are respectively mounted on the left and right ends of the inner side of the chin guard structure 3, the entire chin lock mechanism is disposed in the inner side of the chin guard structure 3, the space occupied by the chin lock mechanism can be saved, and the chin lock mechanism can control the chin guard structure 3 to open and close the chin guard structure conveniently.
As shown in fig. 3-6, specifically, the zipper assembly 53 of the present invention includes a zipper string 531 and a zipper fixing seat 532, the zipper string 531 passes through the zipper fixing seat 532, wherein the zipper fixing seat 532 is fixed at the middle portion of the inner side of the chin guard structure 3 and exposed at the bottom of the inner side of the chin guard structure 3, after the zipper string 531 passes through the zipper fixing seat 532, the left and right ends of the zipper string 531 are respectively connected to the left latch assembly 51 and the right latch assembly 52, a pull-cord switch 533 is connected to the zipper string 531, and when the chin guard structure 3 rotates towards the lower side of the helmet shell 1 until the chin guard structure 3 rotates to the bottom of the helmet shell 1, the rear ends of the left latch assembly 51 and the right latch assembly 52 are inserted into the two locking slots 12 at the two sides of the bottom of the helmet shell 1, so as to lock the chin guard structure 3; upwards gently push away stay cord switch 533, zip-fastener rope 531 is under stay cord switch 533's pushing action, and zip-fastener rope 531 can stimulate left hasp subassembly 51 and right hasp subassembly 52 and make left hasp subassembly 51 and right hasp subassembly 52's rear end deviate from the locked groove 12 to realize the unblanking of chin guard structure 3, it is very simple to regard to the whole operation of zip-fastener subassembly 53, only need a push-and-pull rope switch 533 gently, alright with the realization to unblanking and closing the lock of chin guard structure 3.
Specifically, the specific working principle of the locking and unlocking of the chin lock mechanism of the present invention is as follows:
the left lock catch component 51 and the right lock catch component 52 of the invention are respectively provided with a first lock catch 511, a second lock catch 512 and a lock catch elastic member 519, the lock catch elastic member 519 is arranged between the first lock catch 511 and the second lock catch 512, one end of the lock catch elastic member 519 is connected with the first lock catch 511, the other end of the lock catch elastic member 519 is connected with the second lock catch 512, a mounting hole 513 is arranged on the first lock catch 511, a mounting piece 514 is arranged on the mounting hole 513, the mounting piece 514 of the invention is preferably a straight screw, the mounting piece 514 passes through the mounting hole 513 of the first lock catch 511, the left lock catch component 51 and the right lock catch component 52 are arranged on the left end and the right end of the inner side of the chin guard structure 3, the second lock catch 512 is provided with a hook 515, the pull lock rope 531 hooks the hook 515 of the second lock catch 512 to realize the connection of the pull lock rope 531 with the left lock catch component 51 and the right lock catch component 52, the rear end of the first lock catch 511 is provided with a lock column 516, the front end of the first lock catch 511 is provided with a first lock hook 517, the rear end of the second lock catch 512 is provided with a second lock hook 518, the first lock hook 517 and the second lock hook 518 are in a right-angle shape, the first lock hook 517 and the second lock hook 518 are hooked to form a lock hook part, in the process that the chin protection structure 3 of the invention rotates downwards to the bottom of the helmet body along the helmet body, the first lock hook 517 of the first lock catch 511 can automatically push the second lock hook 518 at the rear end of the second lock catch 512 and be hooked with the second lock hook 518 under the elastic action of the lock catch elastic member 519, and meanwhile, the lock column 516 at the rear end of the first lock catch 511 can be inserted into the lock groove 12 of the helmet shell 1, thereby realizing the locking of the chin protection structure 3; the pull-cord switch 533 is lightly pushed, the pull-cord 531 pulls the second lock hook 518 at the rear end of the second lock catch 512 under the pushing of the pull-cord switch 533, and the first lock hook 517 at the front end of the first lock catch 511 can automatically get away from the locking position of the lock hook part under the elastic force of the lock-catch elastic member 519 in the pulling process of the second lock catch 512, so that the lock column 516 at the rear end of the first lock catch 511 is disengaged from the lock groove 12 of the helmet shell 1, thereby realizing the unlocking of the chin protection structure 3.
Specifically, the present invention provides the zipper cord 531 to operate the left and right latch assemblies 52 simultaneously, wherein two ends of the zipper cord 531 are connected to the two second latch hooks 518 of the left and right latch assemblies 52, the zipper cord 531 is arranged along the inner surface of the center of the chin guard structure 3 in an arc shape, the zipper cord 531 is provided with the cord switch 533, and the cord switch 533 is arranged along the vertical direction of the zipper cord 531 to pull the middle portion of the zipper cord 531 upwards.
As shown in fig. 7-8, the helmet shell 1 of the present invention is covered with an inner protective cover mechanism 6 at the opening 2 of the protective cover, and the left and right ends of the inner protective cover mechanism 6 are butted with the fixing portions 11 at the left and right sides of the helmet shell 1.
Specifically, this protection inner cover mechanism 6 includes protection inner cover 61, protection inner cover support 62, rocker assembly 63, protection inner cover support 62 and protection inner cover 61's a left side, the connection is rotated at the right both ends, thereby it rotationally locates helmet shell 1 inboard to realize protection inner cover 61, install the front end at rocker assembly 63 with protection inner cover support 62, install switch module 64 on rocker assembly 63's end, wave through switch module 64 control rocker assembly 63, thereby drive protection inner cover support 62 and wave from top to bottom, and then realize opening and closing of protection inner cover 61, make things convenient for the driver to travel on the strong distance of light through closing of protection inner cover 61, thereby avoid the highlight to lead to the fact the influence to driver's driving.
The switch assembly 64 of the present invention includes a switch base 641 and a switch button 642, and the switch button 642 is mounted above the switch base 641.
Specifically, the rocker assembly 63 of the present invention includes an inner protective cover guard plate 631, a first rocker 632, and a second rocker 633, and the first rocker 632 and the second rocker 633 are symmetrically covered on the inner protective cover guard plate 631, wherein both ends of the first rocker 632 and the second rocker 633 are correspondingly connected to the switch base 641 and the inner protective cover support 62 to form a double-rocker mechanism, the first rocker 632 and the second rocker 633 on the switch base 641 are driven to perform up-and-down rocking through the on-off of the switch button 642, and the inner protective cover support 62 is driven to perform up-and-down rocking through the up-and-down rocking of the first rocker 632 and the second rocker 633, thereby implementing the on-and-off of the inner protective cover 61.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (10)
1. A chin lock structure of a safety helmet, comprising a helmet to be worn by a user driving a motorcycle, characterized in that: the helmet includes helmet shell, helmet shell's front end has seted up the protection casing opening, protection casing open-ended downside is equipped with chin protective structure, helmet shell's left and right both sides are equipped with hinge structure, chin protective structure articulates in helmet shell's left and right both sides through hinge structure, chin protective structure's inside is equipped with chin latch mechanism, with hinge structure is as chin protective structure pivoted axle, chin latch mechanism upwards rotates in order to drive chin protective structure upwards or rotates downwards for the hinge structure who is the axle to realize that chin latch mechanism locks and unblanks chin protective structure.
2. The chin lock structure of a safety helmet according to claim 1, wherein: the surface of helmet shell left and right both sides is equipped with the fixed part, the rear end portion of chin protective structure left and right both sides and the fixed part of helmet shell left and right both sides dock mutually, hinge structure locates chin protective structure and helmet shell butt joint department and realizes chin protective structure's rotation.
3. The chin lock structure of the safety helmet according to claim 2, wherein: the hinge structure comprises a hinge bolt and a hinge washer, internal threads are formed in the rear end portions of the left side and the right side of the chin protection structure, the hinge bolt is inserted and meshed from the outer side of the helmet shell to the inner side of the helmet shell, the hinge bolt is screwed in the internal threads of the chin protection structure to achieve hinging of the chin protection structure and the helmet shell, the hinge washer is sleeved at the screwed position of the hinge bolt and the internal threads to prevent the hinge bolt from being loosened, and the chin protection structure rotates upwards or downwards along the helmet shell through the hinge bolt.
4. The chin lock structure of the safety helmet according to claim 2, wherein: the left side and the right side of the bottom of the helmet shell, which are in butt joint with the chin protection structure, are provided with locking grooves.
5. The chin lock structure of a safety helmet according to claim 1, wherein: the chin lock mechanism comprises a left lock catch component, a right lock catch component and a zipper component, the zipper component is arranged between the left lock catch component and the right lock catch component, the left locking component and the right locking component are respectively arranged on the left end and the right end of the inner side of the chin protection structure, the zipper component comprises a zipper rope and a zipper fixing seat, the zipper rope penetrates through the zipper fixing seat, the zipper rope is fixed in the middle of the inner side of the chin protection structure through the zipper fixing seat, the left end and the right end of the zipper rope are respectively connected with the left locking component and the right locking component, the pull-lock rope is connected with a pull-rope switch, the chin protection structure rotates towards the lower part of the helmet shell until the chin protection structure rotates to the bottom of the helmet shell, the rear ends of the left locking component and the right locking component are inserted into the locking grooves on the two sides of the bottom of the helmet shell to lock the chin protection structure; the pull switch pushes upwards, and the pull lock rope pulls the left lock catch assembly and the right lock catch assembly under the pushing of the pull switch to enable the rear ends of the left lock catch assembly and the right lock catch assembly to be separated out from the lock groove so as to achieve unlocking of the chin protection structure.
6. The chin lock structure of a safety helmet according to claim 5, wherein: left side hasp subassembly and right hasp subassembly all are equipped with first hasp, second hasp, hasp elastic component locates between first hasp and the second hasp, the one end and the first hasp of hasp elastic component link to each other, the other end and the second hasp of hasp elastic component link to each other, first hasp is equipped with the mounting hole, be equipped with the installed part on the mounting hole, the installed part runs through and from the mounting hole of first hasp and from installing left hasp subassembly and right hasp subassembly in the inboard left and right both ends of chin protective structure, be equipped with the hook on the second hasp, the hook that the second hasp was hooked in order to realize linking to each other of zip rope and left hasp subassembly, right hasp subassembly.
7. The chin lock structure of the safety helmet according to claim 6, wherein: the rear end of the first lock catch is provided with a lock column, the front end of the first lock catch is provided with a first lock hook, the rear end of the second lock catch is provided with a second lock hook, the first lock hook and the second lock hook are hooked to form a lock hook part, the first lock hook of the first lock catch is automatically pushed onto the second lock hook at the rear end of the second lock catch and is hooked with the second lock hook under the elastic action of a lock catch elastic piece in the process that the chin protection structure rotates downwards to the bottom of the helmet body along the helmet body, and the lock column at the rear end of the first lock catch is inserted into a lock groove of the helmet shell to lock the chin protection structure; in the process that the pull switch pushes upwards, the pull lock rope pulls the second lock hook at the rear end of the second lock catch under the pushing of the pull switch, and in the process that the second lock catch pulls, the first lock hook at the front end of the first lock catch is automatically away from the locking position of the lock hook part under the elastic action of the lock catch elastic piece, so that the lock column at the rear end of the first lock catch is separated from the lock groove of the helmet shell to unlock the chin protection structure.
8. The chin lock structure of a safety helmet according to claim 1, wherein: the helmet shell comprises a helmet shell body, and is characterized in that a protective inner cover mechanism covers a protective cover opening, the left and right ends of the protective inner cover mechanism and fixed parts of the left and right sides of the helmet shell body are connected mutually, the protective inner cover mechanism comprises a protective inner cover, a protective inner cover support and a rocker assembly for controlling the rotation of the protective inner cover, the left and right ends of the protective inner cover support and the protective inner cover are connected in a rotating mode to achieve that the protective inner cover is rotatably arranged on the inner side of the helmet shell body, the protective inner cover support is installed at the front end of the rocker assembly, a switch assembly is installed at the tail end of the rocker assembly, and the switch assembly is controlled to shake through the rocker assembly to drive the protective inner cover support to shake up and down to achieve the opening and closing of the protective inner cover.
9. The chin lock structure of a safety helmet according to claim 8, wherein: the switch assembly comprises a switch base and a switch button, and the switch button is installed above the switch base.
10. The chin lock structure of a safety helmet according to claim 8, wherein: the rocker assembly comprises a protective inner cover protection plate, a first rocker and a second rocker, wherein the first rocker and the second rocker are symmetrically covered on the protective inner cover protection plate, two ends of the first rocker and the second rocker are correspondingly connected with the switch base and the protective inner cover support to form a double-rocker mechanism, the switch button is switched on and off to drive the first rocker and the second rocker on the switch base to shake, and the first rocker and the second rocker can drive the protective inner cover support to shake up and down to realize the opening and closing of the protective inner cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761051.6A CN113331527B (en) | 2021-07-06 | 2021-07-06 | Safety helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761051.6A CN113331527B (en) | 2021-07-06 | 2021-07-06 | Safety helmet |
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| Publication Number | Publication Date |
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| CN113331527A true CN113331527A (en) | 2021-09-03 |
| CN113331527B CN113331527B (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110761051.6A Active CN113331527B (en) | 2021-07-06 | 2021-07-06 | Safety helmet |
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| CN (1) | CN113331527B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04119107A (en) * | 1989-12-14 | 1992-04-20 | Gallet Sa | "full-face" type 3 helmet for driving especially motorcycle |
| US6892400B1 (en) * | 2003-12-24 | 2005-05-17 | Hjc Co., Ltd. | Helmet having opening type chin protection bar |
| CN2914718Y (en) * | 2006-05-12 | 2007-06-27 | 丁建伯 | Face mask easily detachable helmet |
| CN201349575Y (en) * | 2009-02-12 | 2009-11-25 | 岑杰强 | Combined type helmet with improved structure |
| CN207322782U (en) * | 2017-06-29 | 2018-05-08 | 浙江远景体育用品有限公司 | A kind of locomotive helmet |
| CN112568539A (en) * | 2020-12-11 | 2021-03-30 | 江阴市达菲玛汽配科技有限公司 | Helmet with chin shield and mask rotating in association |
-
2021
- 2021-07-06 CN CN202110761051.6A patent/CN113331527B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04119107A (en) * | 1989-12-14 | 1992-04-20 | Gallet Sa | "full-face" type 3 helmet for driving especially motorcycle |
| US6892400B1 (en) * | 2003-12-24 | 2005-05-17 | Hjc Co., Ltd. | Helmet having opening type chin protection bar |
| CN2914718Y (en) * | 2006-05-12 | 2007-06-27 | 丁建伯 | Face mask easily detachable helmet |
| CN201349575Y (en) * | 2009-02-12 | 2009-11-25 | 岑杰强 | Combined type helmet with improved structure |
| CN207322782U (en) * | 2017-06-29 | 2018-05-08 | 浙江远景体育用品有限公司 | A kind of locomotive helmet |
| CN112568539A (en) * | 2020-12-11 | 2021-03-30 | 江阴市达菲玛汽配科技有限公司 | Helmet with chin shield and mask rotating in association |
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| Publication number | Publication date |
|---|---|
| CN113331527B (en) | 2022-02-11 |
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