CN111543726A

CN111543726A - Safety helmet with self-fastening rigid lower jaw belt

Info

Publication number: CN111543726A
Application number: CN202010621525.2A
Authority: CN
Inventors: 王飞; 程帅; 袁昌勇; 车军伟; 刘洋
Original assignee: Chongqing Huashuo Construction Co ltd
Current assignee: Chongqing Huashuo Construction Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-08-18

Abstract

The invention belongs to the technical field of safety helmets, and particularly discloses a safety helmet with a self-buckling type rigid lower jaw belt. The invention aims to provide a safety helmet with a self-fastening rigid lower jaw belt, which solves the problem that a worker is easy to fall off because the worker does not wear a helmet belt.

Description

Safety helmet with self-fastening rigid lower jaw belt

Technical Field

The invention belongs to the technical field of safety helmets, and particularly discloses a safety helmet with a self-fastening rigid lower jaw belt.

Background

The hat band of the existing safety helmet is very soft, and when some workers have poor safety awareness, the hat band is improperly used when the safety helmet is worn, so that the hat band is separated from the chin of the wearer. The safety helmet which is not fixed by the helmet belt easily slides off the head of a worker, so that the safety helmet easily falls off, the head of the worker is exposed outside, the safety helmet cannot play a role in protection, and the life safety of the worker can be directly threatened.

Disclosure of Invention

The invention aims to provide a safety helmet with a self-fastening rigid lower jaw belt, which solves the problem that a worker is easy to fall off because the worker does not wear a helmet belt.

In order to achieve the purpose, the basic scheme of the invention is as follows: the safety helmet with the self-buckling type rigid chin strap comprises a helmet body, wherein the helmet strap is fixed on the inner wall of the helmet body and comprises a telescopic strap and a plurality of rigid parts, the rigid parts are respectively arranged on the side wall of the helmet body, the telescopic strap is fixedly connected between the rigid parts, and the telescopic strap is used for abutting against the chin of a wearer.

The working principle and the beneficial effects of the basic scheme are as follows: 1. the technical scheme is that the hat band is composed of a telescopic band in the middle and rigid parts at two ends. In the wearing process, the rigid parts on the two sides are positioned on the two sides of the face of the wearer, so that the technical effect of clinging to the face of the wearer is achieved. The telescopic belt is connected between the rigid parts at the two ends. To smoothly put the helmet on the head, the user must pull the retractable belt down to wear the helmet.

2. This technical scheme only utilizes simple hatband structure, can be in order to realize forcing the technical effect that requires the workman to wear the hatband, effectively improves the stability that the workman wore the safety helmet, promotes the security of workman at the during operation.

3. Compared with the safety helmet in the prior art, the safety helmet has the advantages of simple structure, low manufacturing cost and convenience for large-scale production and manufacturing.

4. Compared with the safety helmet in the prior art, the safety helmet adopts the rigid part as the hat band, so that the worker can wear the safety helmet only by hanging the hat band at the jaw of the worker. The effect that the safety helmet and the rigid part are integrated is achieved, the problem that workers are unwilling to wear the helmet belt is solved, and the safety of the workers wearing the safety helmet is guaranteed.

Further, the telescopic belt is an elastic belt.

Has the advantages that: this technical scheme is through adopting the elastic webbing in order to realize freely stretching out and drawing back of telescopic band to satisfy the not lower jaw of equidimension of adaptation.

Furthermore, one end of the telescopic belt is fixedly connected with the rigid part, a first metal buckle is fixed on the other rigid part, a first metal needle is hinged to the first metal buckle, and a first positioning hole matched with the first metal needle is formed in the telescopic belt.

Has the advantages that: this technical scheme only need rotate from first metal to detain and open first metal needle when adjusting telescopic band length to stretch into first metal and detain the interior regulation of telescopic band. When the telescopic belt is adjusted to a specific length, the first metal needle is rotated again, and the first metal needle is inserted into the first positioning hole of the telescopic belt.

Further, the rigid belt is hinged on the side wall of the cap body.

Has the advantages that: adopt the articulated mode of rigidity area at technical scheme, be that the safety helmet when not using, the rigidity piece can be folded and rotate into the cap intracavity, makes the rigidity piece can hinder wearing of safety helmet, can reduce the shared space of whole safety helmet again simultaneously, has made things convenient for stacking, transport etc. of safety helmet.

Furthermore, the bottom surface of the telescopic belt is provided with a plurality of bulges.

Has the advantages that: this technical scheme is through add the arch in the bottom surface of elastic webbing to play the effect of reminding the person of wearing. When the wearer folds the elastic band and fills in the cavity of the cap body and wears the cap, the protrusions on the elastic band can be abutted against the scalp of the wearer, so that the wearer feels uncomfortable, and the technical effect of reminding the wearer of wearing the cap band is achieved.

Furthermore, a positioning block is fixedly connected to the hat band, and a groove is formed in the top surface of the positioning block.

Has the advantages that: this technical scheme is through addding locating piece and recess to satisfy the technical effect of lock at the person's of wearing chin.

Further, a sliding rod is vertically and slidably connected in the groove, a supporting plate is fixedly connected to the top end of the sliding rod, a positioning block and a trigger plate are fixedly connected to the bottom end of the sliding rod in an extending mode, a pressure spring is connected between the sliding rod and the supporting plate, and the trigger plate is in contact with the bottom surface of the positioning block in a free state.

Has the advantages that: this technical scheme sets up the layer board structure through sliding in the recess to the adaptation is adjusted to the realization to the person's chin, improves the travelling comfort that the person of wearing wears.

Further, the outer wall of the supporting plate is wrapped with a buffer layer.

Has the advantages that: this technical scheme is through wrapping up the buffer layer on the layer board to play the effect of soft buffering of the realization of the chin of the wearer, improve the travelling comfort of the wearer.

Furthermore, a first trigger switch is arranged on the trigger plate, a second trigger switch is arranged on the inner wall of the cap body, a power supply and a buzzer are fixed in the cap body, and the power supply, the buzzer, the first light touch switch and the second light touch switch are electrically connected in series.

Has the advantages that: this technical scheme is when the wearer wears the cap body by force and refuse to wear the cap area, and the second of wearer's head trigger cap body inner wall touches the switch gently, makes the second touch the switch gently and is in the closed condition. In this state, the positioning block is not placed in the chin of the wearer, so the pressure spring is in a free state, and the first tact switch is also in a closed state. Therefore, the whole power supply, the buzzer, the first touch switch and the second touch switch are in a communicated state, the buzzer sends out alarm sound after being electrified, and finally the technical effect of reminding a wearer of wearing the hat band is achieved.

Furthermore, the inner wall of the cap body is hinged with a second metal buckle, a second metal needle is hinged on the second metal buckle, and a second positioning hole matched with the second metal needle is formed in the rigid belt.

Has the advantages that: when the length of the hat band needs to be adjusted, the second metal needle only needs to be rotated and opened from the second metal buckle, and the rigid band extends into the second metal buckle for adjustment. When the cap belt is adjusted to a specific length, the second metal needle is rotated again, and the second metal needle is inserted into the second positioning hole of the rigid belt.

Drawings

FIG. 1 is a schematic front view of a first embodiment of the present invention;

FIG. 2 is a schematic front view illustrating a second embodiment of the present invention;

FIG. 3 is a schematic front view illustrating a third embodiment of the present invention;

FIG. 4 is a schematic front view illustrating a fourth embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of a portion a of fig. 4.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the cap body 1, the rigid belt 2, the telescopic belt 3, the first metal buckle 4, the first positioning hole 5, the second metal buckle 6, the second positioning hole 7, the positioning block 8, the groove 9, the sliding rod 10, the supporting plate 11, the pressure spring 12, the trigger plate 13, the first tact switch 14, the second tact switch 15 and the buzzer 16.

Example one

As shown in attached figure 1, the safety helmet with the self-buckled rigid lower jaw belt comprises a helmet body 1, wherein the inner wall of the helmet body 1 is fixedly connected with the helmet belt. Wherein the hat band comprises a telescopic band 3 and two rigid bands 2. Two opposite sides of the inner wall of the cap body 1 are respectively fixedly connected with two rigid belts 2 made of leather by rivets. An elastic rubber telescopic belt 3 is fixed between the bottom ends of the two rigid belts 2 through rivets. When the telescopic band 3 is in a free state, the elastic band is parallel to the bottom surface of the safety helmet. The outer wall of the telescopic belt 3 facing downwards is evenly provided with a plurality of granular bulges.

The specific implementation process is as follows: in the wearing process, the rigid parts on the two sides are positioned on the two sides of the face of the wearer, so that the technical effect of clinging to the face of the wearer is achieved. The expansion band 3 is connected between the rigid members at both ends. To smoothly put the cap body 1 of the helmet on the head, the extension band 3 must be pulled down to wear the helmet.

Example two

As shown in fig. 2, the present embodiment is different from the first embodiment in that the stretchable belt 3 is made of an inelastic rubber material. One end of the telescopic belt 3 is fixed with the rigid belt 2 on the right side of the cap body 1 by a rivet. A first metal buckle 4 is fixed on the rigid belt 2 at the left end, a first metal needle is hinged on the first metal buckle 4, and a plurality of first positioning holes 5 which are in plug-in fit with the first metal needle are uniformly formed in the surface of the left end of the telescopic belt 3.

The specific implementation process is as follows: this technical scheme only need rotate from first metal button 4 and open first metal needle when adjusting 3 lengths in telescopic band to stretch into first metal button 4 with the left end of telescopic band 3 and adjust. When the telescopic belt 3 is adjusted to a specific length, the first metal needle is rotated again, so that the first metal needle is inserted into the first positioning hole 5 of the telescopic belt 3.

EXAMPLE III

As shown in fig. 3, the difference between the present embodiment and the first embodiment is that the right rigid belt 2 is hinged to the inner wall of the cap body 1, and the second metal button 6 is riveted to the inner wall of the cap body 1. The second metal buckle 6 is hinged with a second metal needle, and a plurality of second positioning holes 7 which are in inserted connection and matching with the second metal needle are uniformly formed in the surface of the left rigid belt 2.

The specific implementation process is as follows: when the safety helmet is not used, the rigid part is folded and rotated into the helmet cavity, so that the rigid part can obstruct the wearing of the safety helmet, meanwhile, the space occupied by the whole safety helmet can be reduced, and the safety helmet is convenient to stack, carry and the like. When the length of the hat band needs to be adjusted, the second metal needle only needs to be rotated and opened from the second metal buckle 6, and the left end of the rigid band 2 extends into the second metal buckle 6 for adjustment. When the cap band is adjusted to a specific length, the second metal needle is rotated again to be inserted into the second positioning hole 7 of the rigid band 2.

Example four

As shown in fig. 4 and 5, the difference between the present embodiment and the first embodiment is that a positioning block 8 is fixed on the telescopic belt 3 by a rivet, and a groove 9 having a shape capable of fitting with the chin of a wearer is formed on the top surface of the positioning block 8. The bottom surface of the groove 9 is vertically and slidably connected with a sliding rod 10, the top end of the sliding rod 10 is fixedly welded with a supporting plate 11, and the surface of the supporting plate 11 is wrapped with a buffering sponge. A sliding rod 10 in the groove 9 is coaxially sleeved with a pressure spring 12, the top end of the pressure spring 12 is fixed on the bottom surface of the supporting plate 11, and the bottom end of the pressure spring 12 is fixed on the bottom surface of the groove 9. The bottom end of the sliding rod 10 extends below the positioning block 8, and the outer wall of the sliding rod 10 extending below the positioning block 8 is fixedly welded with a trigger plate 13. A first tact switch 14 is arranged between the top surface of the trigger plate 13 and the bottom surface of the positioning block 8, and when the pressure spring 12 is in a free state, the first tact switch 14 is in a closed state. The inner wall thread of the cap body 1 is fixed with a second light touch switch 15 which can be contacted with the head of a wearer, the top surface thread of the inner cavity of the cap body 1 is fixed with a power supply and a buzzer 16, and the power supply, the buzzer 16, the first light touch switch 14 and the second light touch switch 15 are electrically connected in series.

The specific implementation process is as follows: when the wearer forcibly wears the cap body 1 and refuses to wear the hat band, the head of the wearer triggers the second tact switch 15 on the inner wall of the cap body 1, so that the second tact switch 15 is in a closed state. In this state, the positioning block 8 is not inserted into the chin of the wearer, and therefore the compression spring 12 is in a free state and the first tact switch 14 is also in a closed state. Therefore, the whole power supply, the buzzer 16, the first tact switch 14 and the second tact switch 15 are in a communicated state, the buzzer 16 gives out alarm sound after being electrified, and finally the technical effect of reminding a wearer of wearing the hat band is achieved.

When the wearer wears the hat band to the chin, the wearer's chin is placed into the groove 9 of the locating block 8. After the wearing of the shoe is finished, the jaw of the wearer abuts against the surface of the supporting plate 11, the wearer abuts against the supporting plate 11 to move downwards under the action of the telescopic belt 3, the trigger plate 13 is separated from the positioning block 8 in the moving process, and then the technical effect that the first tact switch 14 is disconnected is achieved. Finally, the circuit of the whole power supply, the buzzer 16, the first light touch switch 14 and the second light touch switch 15 is in a disconnection state, and the buzzer 16 is stopped to give out alarm sound.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.

Claims

1. Safety helmet with self-clinching formula rigidity chin strap, including the cap body, the cap body inner wall is fixed with the cap area, its characterized in that: the hat band comprises a telescopic band and a plurality of rigid parts, the rigid parts are respectively arranged on the side wall of the hat body, the telescopic band is fixedly connected between the rigid parts, and the telescopic band is used for abutting against the chin of a wearer.

2. The headgear with the self-clinching rigid chin strap of claim 1, wherein: the telescopic belt is an elastic belt.

3. The headgear with the self-clinching rigid chin strap of claim 1, wherein: one end of the telescopic belt is fixedly connected with the rigid part, a first metal buckle is fixed on the other rigid part, a first metal needle is hinged to the first metal buckle, and a first positioning hole matched with the first metal needle is formed in the telescopic belt.

4. The headgear with the self-clinching rigid chin strap of claim 1, wherein: the rigid belt is hinged on the side wall of the cap body.

5. The headgear with the self-clinching rigid chin strap of claim 1, wherein: the bottom surface of the telescopic belt is provided with a plurality of bulges.

6. The headgear with the self-clinching rigid chin strap of claim 1, wherein: the cap belt is fixedly connected with a positioning block, and the top surface of the positioning block is provided with a groove.

7. The headgear with the self-clinching rigid chin strap of claim 6, wherein: the vertical sliding connection has the slide bar in the recess, and the top fixedly connected with layer board of slide bar, slide bar bottom extend locating piece and fixedly connected with trigger plate, are connected with the pressure spring between slide bar and the layer board, and the pressure spring triggers the board and contacts with the locating piece bottom surface under free state.

8. The headgear with the self-clinching rigid chin strap of claim 7, wherein: the outer wall of the supporting plate is wrapped with a buffer layer.

9. The headgear with the self-clinching rigid chin strap of claim 8, wherein: the cap is characterized in that a first trigger switch is arranged on the trigger plate, a second trigger switch is arranged on the inner wall of the cap body, a power supply and a buzzer are fixed in the cap body, and the power supply, the buzzer, the first light touch switch and the second light touch switch are electrically connected in series.

10. The headgear with the self-clinching rigid chin strap of claim 1, wherein: the inner wall of the cap body is hinged with a second metal buckle, a second metal needle is hinged on the second metal buckle, and a second positioning hole matched with the second metal needle is formed in the rigid belt.