阅读说明：本技术 一种防护罩底座及其安全头盔 (Protective cover base and safety helmet thereof ) 是由 陈嘉辉 于 2021-04-27 设计创作，主要内容包括：本发明公开了一种防护罩底座及其安全头盔,该防护罩底座包括防护镜机构和锁扣机构,将防护镜机构扣合在锁扣机构上,所述防护镜机构两侧的内壁形成有镜片凸起,该锁扣机构包括滑动锁槽组件和开锁凸块,开锁凸块和滑动锁槽组件的末端相连,通过滑动锁槽组件勾住所述镜片凸起使得锁扣机构锁住防护镜机构,从而实现防护镜机构的上锁；下压开锁凸块使滑动锁槽组件往下移动,可以让镜片凸起脱离滑动锁槽组件,从而实现对防护镜机构的开锁,将防护镜机构朝外拉动,还可以使镜片凸起脱离滑动锁槽组件的位置,实现防护镜机构的拆卸,整个操作过程,无需耗费精力和成本去教人操作,减少成本的投入。(The invention discloses a protective cover base and a safety helmet thereof, wherein the protective cover base comprises a protective glasses mechanism and a locking mechanism, the protective glasses mechanism is locked on the locking mechanism, lens bulges are formed on the inner walls of two sides of the protective glasses mechanism, the locking mechanism comprises a sliding lock slot component and an unlocking lug, the unlocking lug is connected with the tail end of the sliding lock slot component, and the lens bulges are hooked by the sliding lock slot component to enable the locking mechanism to lock the protective glasses mechanism, so that the protective glasses mechanism is locked; the convex block that unblanks is pressed down makes the sliding lock groove subassembly move down, can let the lens arch break away from the sliding lock groove subassembly to the realization is unblanked to protective glass mechanism, with the pulling of protective glass mechanism outwards, can also make the lens arch break away from the position of sliding lock groove subassembly, realizes the dismantlement of protective glass mechanism, and whole operation process need not to consume energy and cost and goes to teach people's operation, the input of reduction cost.)

1. A protection casing base, its characterized in that: the protective cover base comprises a protective glasses mechanism and a locking mechanism, the protective glasses mechanism is buckled on the locking mechanism, the inner walls of two sides of the protective glasses mechanism extend inwards to form a lens bulge, the locking mechanism comprises a sliding lock slot component and an unlocking lug arranged at the tail end of the sliding lock slot component, the unlocking lug and the sliding lock slot component are connected to form an integral structure, and the sliding lock slot component hooks the lens bulge to enable the locking mechanism to lock the protective glasses mechanism, so that the protective glasses mechanism is locked; and the unlocking lug is pressed downwards to enable the sliding lock slot assembly to move downwards so that the lens protrusion is separated from the sliding lock slot assembly, so that the protective glasses mechanism is unlocked, and the protective glasses mechanism is pulled outwards to enable the lens protrusion to be separated from the position of the sliding lock slot assembly.

2. The protective cover base according to claim 1, wherein: the sliding lock slot assembly comprises a sliding base and a fixed lock block, the fixed lock block is arranged above the sliding base to form a lock slot capable of fastening and loosening the lens bulge, and the fixed lock block is used for embedding the lens bulge into the sliding lock slot assembly through the lock slot so as to lock the protective glasses mechanism.

3. The protective cover base according to claim 2, wherein: the locking groove is internally provided with a buckle matched with the inner edge of the lens protrusion, and the buckle is buckled with the lens protrusion to prevent the lens protrusion and the locking groove from loosening.

4. The protective cover base according to claim 2, wherein: at least two base rails are arranged at the bottom of the sliding base, and mounting holes corresponding to the number of the base rails are formed beside the base rails.

5. The protective cover base according to claim 2, wherein: the one end downwardly extending of fixed locking piece forms two at least hooks, is equipped with the installed part on the mounting hole, fixed locking piece hooks the base track through the hook and promotes fixed locking piece backward and make the other end of fixed locking piece aim at the mounting hole, the installed part runs through from the mounting hole and from and realize fixed locking piece and install on sliding base, prevents through the installed part that fixed locking piece takes place serious deformation.

6. The protective cover base according to claim 1, wherein: the protective cover base comprises a protective glasses base, wherein separation blocks with wavy edges are arranged in the protective glasses base, the separation blocks divide the protective glasses base into an accommodating area and a gear shifting area respectively, and the locking mechanisms are placed in the accommodating area to achieve the purpose of placing the locking mechanisms.

7. The protective cover base according to claim 1, wherein: the locking mechanism comprises an elastic piece, one end of the elastic piece is connected with the sliding base of the sliding locking groove assembly, the other end of the elastic piece is connected with one end of the separation block, and the fixed locking block moves at the left end and the right end on the sliding base through the elastic piece.

8. The protective cover base according to claim 7, wherein: the sliding base is provided with a fixing part and is connected with the elastic part through the fixing part.

9. The protective cover base according to claim 1, wherein: the inner walls of two sides of the protective glasses mechanism are provided with lens adjusting blocks, when the protective glasses mechanism is locked, the lens adjusting blocks rotate along the wavy edges of the separating blocks to form at least two gears, and the gears enable the protective glasses mechanism to be in a completely closed state or an incompletely closed state.

10. A safety helmet comprising the shield base of any one of claims 1-9, wherein: the safety helmet comprises a helmet body, wherein an opening is formed in the helmet body, the protective glasses mechanism covers the opening, a protective glasses support is arranged at the lower end of the opening, and the protective glasses mechanism is fixed on the protective glasses support.

Technical Field

The invention relates to the technical field of helmets, in particular to a protective cover base and a safety helmet thereof.

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 at a transparent lens of the place ahead installation of helmet, can let the driver see the road conditions in place ahead more clearly through this transparent lens, also can play keep out the wind, keep off husky or keep off the effect of dust, but current lens can only firmly be fixed on the both sides of helmet, very inconvenient dismantlement, so people have designed a section and can lock the unlocking locking device that the helmet lens was locked, current unlocking locking device has some weak points:

the existing unlocking locking device is complex in structure, the locking and unlocking processes need to consume a lot of energy and manpower to learn how to operate, the cost of manual operation learning is increased, a large amount of manpower and energy are consumed, the operation is very troublesome, and the helmet is scrapped due to serious damage to the helmet caused by improper operation.

Therefore, a safety shield base and a safety helmet are urgently needed.

Disclosure of Invention

Aiming at the defects of troublesome unlocking and locking, labor waste and the like of adopting a helmet in the prior art, the invention aims to solve the technical problem of providing the protective cover base and the safety helmet which can quickly unlock and lock the helmet lens, take down the helmet lens, have convenient use and higher safety, can reduce the manual operation and learning cost, do not need to consume much energy to learn and have inconvenient operation.

In order to solve the technical problem, the invention provides a protective cover base which comprises a protective glasses mechanism and a locking mechanism, wherein the protective glasses mechanism is buckled on the locking mechanism, the inner walls of two sides of the protective glasses mechanism extend inwards to form a lens bulge, the locking mechanism comprises a sliding lock slot component and an unlocking lug arranged at the tail end of the sliding lock slot component, the unlocking lug and the sliding lock slot component are connected to form an integral structure, and the sliding lock slot component hooks the lens bulge to enable the locking mechanism to lock the protective glasses mechanism, so that the protective glasses mechanism is locked; and the unlocking lug is pressed downwards to enable the sliding lock slot assembly to move downwards so that the lens protrusion is separated from the sliding lock slot assembly, so that the protective glasses mechanism is unlocked, and the protective glasses mechanism is pulled outwards to enable the lens protrusion to be separated from the position of the sliding lock slot assembly.

Preferably, the sliding lock slot assembly comprises a sliding base and a fixed lock block, the fixed lock block is arranged above the sliding base to form a lock slot capable of fastening and loosening the lens protrusion, and the fixed lock block is used for embedding the lens protrusion into the sliding lock slot assembly through the lock slot so as to lock the safety glasses mechanism.

Preferably, a buckle matched with the inner edge of the lens protrusion is arranged in the lock groove, and the buckle is buckled with the lens protrusion to prevent the lens protrusion from loosening from the lock groove.

Preferably, the bottom of the sliding base is provided with at least two base rails, and mounting holes corresponding to the number of the base rails are arranged beside the base rails.

Preferably, the one end downwardly extending of fixed locking piece forms two at least hooks, is equipped with the installed part on the mounting hole, the fixed locking piece hooks the base track and promotes fixed locking piece messenger's the other end of fixed locking piece and aim at the mounting hole backward through the hook, the installed part runs through from the mounting hole and from and realize fixed locking piece and install on sliding base, prevents through the installed part that fixed locking piece takes place serious deformation.

Preferably, the protection casing base includes the goggles base, be equipped with the branch spacer block that is wavy edge in the goggles base, divide into the goggles base respectively with the branch spacer block and hold the district and shift gears the district, latch mechanism places and places in order to realize placing of latch mechanism in holding the district.

Preferably, the locking mechanism comprises an elastic member, one end of the elastic member is connected with the sliding base of the sliding lock slot assembly, the other end of the elastic member is connected with one end of the separating block, and the fixed locking block moves at the left end and the right end on the sliding base through the elastic member.

Preferably, the sliding base is provided with a fixing part, and the sliding base is connected with the elastic part through the fixing part.

Preferably, the inner walls of the two sides of the safety glasses mechanism are provided with lens adjusting blocks, when the safety glasses mechanism is locked, the lens adjusting blocks rotate along the wavy edge of the separation block to form at least two gears, and the two gears enable the safety glasses mechanism to be in a completely closed state or an incompletely closed state.

The invention also provides a safety helmet which comprises a helmet body, wherein the helmet body is provided with an opening, the protective glasses mechanism covers the opening, the lower end of the opening is provided with a protective glasses bracket, and the protective glasses mechanism is fixed on the protective glasses bracket.

Compared with the prior art, the scheme of the invention at least comprises the following beneficial effects:

(1) the invention is provided with the lens bump on both sides of the protective glasses mechanism, the lock catch mechanism of the invention includes the sliding lock slot assembly and the unlocking bump connected with the end of the sliding lock slot assembly, the unlocking bump and the sliding lock slot assembly are connected to form an integrated structure, the lens bump can be hooked by the sliding lock slot assembly, so that the lock catch mechanism locks the protective glasses mechanism to realize locking, the lock catch mechanism of the invention can lock without force, and the locking is very convenient and simple; the sliding lock slot assembly can be moved downwards by pressing the unlocking lug, the lens protrusion can be separated from the sliding lock slot assembly, the protective glasses mechanism can be unlocked, the protective glasses mechanism can be pulled outwards, the lens protrusion can be separated from the position of the sliding lock slot assembly, the whole operation process does not need to consume energy and cost to teach people to operate, the cost input is reduced, the operation is very simple and convenient, the locking mechanism is very simple and small in structural design, the use is very convenient, the locking and unlocking of the protective glasses mechanism can be quickly realized, the locking and unlocking time of a driver on the protective glasses mechanism is shortened, the difficulty coefficient of the locking and unlocking of the protective glasses mechanism is also reduced, and the driver does not need to spend too much time and unlock and lock the protective glasses.

(2) The protective cover base comprises a protective glasses base, wherein a separation block with a wavy edge is arranged in the protective glasses base, lens adjusting blocks are arranged on the inner walls of two sides of a protective glasses mechanism, the lens adjusting blocks rotate along the wavy edge of the separation block to form at least two gears, and the protective glasses mechanism is in a completely closed state or an incompletely closed state through the two gears.

(3) According to the invention, the sliding base is provided with the two mounting holes and the mounting piece, so that the mounting piece penetrates through the mounting holes, and the mounting piece can prevent the fixed locking block from being seriously deformed, thereby playing a role of protecting the device.

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 shield base of the present invention;

FIG. 2 is an exploded view of the shield base of the present invention;

FIG. 3 is a schematic structural view of the slide lock slot assembly of the present invention;

fig. 4 is a schematic structural view of a helmet body of the present invention;

FIG. 5 is a schematic view of the safety eyewear mechanism of the present invention after unlocking;

FIG. 6 is a schematic view of the safety eyewear mechanism of the present invention after locking.

In the figure, a safety glasses mechanism 1, a lens protrusion 11, a lens adjusting block 12, a locking mechanism 2, a sliding lock slot assembly 21, a sliding base 211, a fixed lock block 212, a lock slot 213, a buckle 214, a mounting hole 215, a mounting piece 216, a hook 217, an elastic piece 218, a fixed part 219, a base track 210, an unlocking lug 22, a safety glasses base 3, a separation block 31, a containing area 32, a gear shifting area 33, a helmet body 4 and an opening 41.

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 present invention provides a shield base for being mounted on a safety helmet, the shield base comprises a protective glasses mechanism 1 and a latch mechanism 2, wherein the protective glasses mechanism 1 is latched on the latch mechanism 2.

Specifically, two lens bulges 11 which are symmetrically distributed with each other are respectively formed by inwards extending the inner walls of two sides of the protective glasses mechanism 1, and the lens bulges 11 are semicircular and are designed to increase the stress area of the lens bulges 11; the locking mechanism 2 comprises a sliding lock slot component 21 and an unlocking lug 22, the unlocking lug 22 is connected with the tail end of the sliding lock slot component 21, the unlocking lug 22 is an arc-shaped bulge slightly higher than the plane of the sliding lock slot component 21, and the lens bulge 11 can be hooked by the sliding lock slot component 21, so that the locking of the locking mechanism 2 on the protective glasses mechanism 1 is realized; the unlocking lug 22 is pressed downwards, so that the sliding lock slot assembly 21 moves downwards, the lens bulge 11 is separated from the sliding lock slot assembly 21, the unlocking of the lens bulge 11 is realized, and the protective glasses mechanism 1 is pulled to separate the lens bulge 11 from the position of the sliding lock slot assembly 21.

As shown in FIG. 3, the sliding lock slot assembly 21 of the present invention comprises a sliding base 211 and a fixed lock block 212, wherein the fixed lock block 212 is installed above the sliding base 211 and forms a lock slot 213 capable of fastening and unfastening the lens protrusion 11, the fixed lock block 212 is used for nesting the lens protrusion 11 into the sliding lock slot assembly 21 through the lock slot 213, thereby realizing locking of the goggles mechanism 1, and the fixed lock block 212 is designed in a U-shape, which is mainly used for facilitating the lens protrusion 11 to be fastened with the sliding lock slot assembly 21, thereby achieving better locking effect.

In the present invention, the latch 214 is disposed in the lock groove 213 and is engaged with the inner edge of the lens protrusion 11, as shown in fig. 3, the latch 214 is designed to be arc-shaped, which is mainly designed to match the shape of the latch 214 and the shape of the lens protrusion 11, so that the latch 214 and the lens protrusion 11 can be better engaged with each other, and the lens protrusion 11 and the lock groove 213 can be prevented from being loosened.

Specifically, the sliding base 211 is provided with two mounting holes 215, and the mounting holes 215 are provided with two mounting pieces 216, when the invention is specifically implemented, the mounting pieces 216 are self-tapping screws with cross grooves and flat heads, so that the mounting pieces 216 pass through the mounting holes 215, and the two mounting pieces 216 can prevent the fixed locking block 212 from being seriously deformed, thereby playing a role of a protection device.

In the concrete implementation of the invention, the bottom of the sliding base 211 is provided with two base rails 210, the two base rails 210 are arranged symmetrically, two mounting holes 215 are arranged beside the two base rails 210, mounting pieces 216 are matched on the mounting holes 215, the invention is characterized in that two hooks 217 are arranged at the lower end of a fixed locking block 212, the fixed locking block 212 hooks the two base rails 210 through the two hooks 217 and pushes the fixed locking block 212 backwards, the other end of the fixed locking block 212 is aligned with the mounting holes 215, the mounting pieces 216 penetrate through the mounting holes 215, so that the fixed locking block 212 is mounted on the sliding base 211, the mounting pieces 216 can prevent the fixed locking block 212 from being seriously deformed, the whole fixed locking block 212 is fixed on the sliding base 211 through the two hooks 217 and the two mounting pieces 216 to prevent the fixed locking block 212 from warping outwards, the hooks 217 can prevent the fixed locking block 212 from moving upwards or downwards, so that the fixing lock 212 is well fixed.

The protective cover base comprises a protective glass base 3, a separating block 31 is arranged in the protective glass base 3, the edge of one side of the separating block 31 is wavy, the other side of the separating block 31 is arc-shaped and smooth, the protective glass base 3 is divided into an accommodating area 32 and a gear shifting area 33 through the separating block 31, and a locking mechanism 2 is placed in the accommodating area 32, so that the placement and the movement of the locking mechanism 2 are realized.

Specifically, the latch mechanism 2 of the present invention further includes an elastic member 218, and the elastic member 218 of the present invention is a spring, wherein one end of the elastic member 218 is connected to the sliding base 211 of the sliding lock slot assembly 21, and the other end of the elastic member 218 is connected to one end of the separating block 31, and the elastic member 218 is elastically deformed by pressing the elastic member 218, so that the fixed lock block 212 of the sliding lock slot assembly 21 performs left and right end movements on the sliding base 211 through the elastic member 218.

One end of the sliding base 211 of the present invention is provided with a fixing part 219, the fixing part 219 is U-shaped, and the sliding base 211 is connected to the elastic member 218 through the fixing part 219 to realize the left and right movement of the sliding lock slot assembly 21.

The invention is provided with the lens regulating block 12 on the inner wall of the two sides of the protective glasses mechanism 1, when the protective glasses mechanism 1 is locked, the lens regulating block 12 can rotate along the wave-shaped edge of the side of the separating block 31, a plurality of gears can be formed when the lens regulating block 12 rotates along the wave-shaped edge of the side of the separating block 31, the opening degree of the protective glasses mechanism 1 can be in different conditions through the plurality of gears, and the protective glasses mechanism 1 can be in the opening and closing state.

As shown in fig. 4, the present invention further provides a safety helmet, which includes a helmet body 4, wherein an opening 41 is formed in the helmet body 4, the goggles mechanism 1 covers the opening 41, a goggles support is formed at a lower end of the opening 41, and the goggles mechanism 1 is fixed on the helmet body 4 through the goggles support.

The working principle of the locking mechanism 2 of the shield base is as follows:

as shown in fig. 5, it is a schematic structural view of the shield base of the present invention after being unlocked, and the specific operations are as follows: upwards rotate goggles mechanism 1, when pushing down and unblanking lug 22, buckle 214 in the lock groove 213 can be walked down, with goggles mechanism 1 towards helmet body 4's opening direction pulling, lens protruding 11 alright in order to break away from the position of slide lock groove subassembly 21 to realize the dismantlement of goggles mechanism 1.

As shown in fig. 6, it is a schematic structural diagram of the shield base of the present invention after being locked, and the specific operations are as follows: the safety goggles mechanism 1 after will unblock pushes away in the lock groove 213, can catch on lens arch 11 through buckle 214 inside the lock groove 213 to realize that latch mechanism 2 locks safety goggles mechanism 1, when safety goggles mechanism 1 is in the lock-out state, because helmet body 4's gas tightness is better, provide a sense more comfortable when can wearing for the driver.

Compared with the prior art, the protective cover base provided by the invention adopts the locking mechanism 2 with a simple structure, the protective cover base can quickly lock and unlock the protective glasses mechanism 1, the whole operation process does not need to consume energy and cost to teach people to operate, the cost investment is reduced, the structural design is very simple and small, the use is very convenient, the locking and unlocking of the protective glasses mechanism 1 can be quickly realized, the locking and unlocking time of a driver on the protective glasses mechanism 1 is shortened, the difficulty coefficient of the locking and unlocking of the protective glasses mechanism 1 is also reduced, after the lens bulge 11 of the protective glasses mechanism 1 is unlocked, the protective glasses mechanism 1 is pulled towards the opening direction of the helmet body 4, the lens bulge 11 can leave the position of the sliding locking slot component 21, the disassembly of the protective glasses mechanism 1 is realized, the disassembly of the protective glasses mechanism 1 is very convenient, the influence and the damage to the helmet body 4 can not be caused by the disassembly of the protective glasses mechanism 1, the time for a driver to lock and unlock the protective glasses mechanism 1 is greatly shortened, the difficulty coefficient of locking and unlocking the protective glasses mechanism 1 is also reduced, and the life safety of the driver can be guaranteed; in addition, the space occupied by the locking mechanism 2 on the base of the protective cover is smaller, which is beneficial to the popularization of the helmet for a driver and the application of the helmet.

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.