CN216821965U

CN216821965U - Anti-fog lens

Info

Publication number: CN216821965U
Application number: CN202220324753.8U
Authority: CN
Inventors: 王浦
Original assignee: Zhejiang Kaixin Optoelectronics Tech Co ltd
Current assignee: Zhejiang Kaixin Optoelectronics Tech Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-28
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses an anti-fog lens, belonging to the lens field, which comprises a safety helmet, an opening, a protective lens, a pair of diversion trenches, a pair of rotating disks and a fixed block; the opening is arranged on one side of the safety helmet and used for observing the external conditions by eyes when the safety helmet is worn; the pair of rotating discs are rotatably arranged in the outer surface of the safety helmet and are mutually symmetrical relative to the length direction of the opening; the protective lenses are fixedly arranged on the pair of rotating discs and cover the outer sides of the openings; the pair of flow guide grooves are arranged in the outer surface of the protective lens, are mutually symmetrical relative to the length direction of the opening and are obliquely arranged; can realize passing through the antifog diaphragm on the protective glass piece when wearing safety helmet, prevent when the protective glass piece covers the opening, owing to be attached to the water smoke when breathing on the protective glass piece, and lead to the user's sight to be in the situation of blurring.

Description

Anti-fog lens

Technical Field

The utility model relates to a lens field, more specifically say, relate to an anti fog lens.

Background

The helmet is a personal head protection device, can effectively balance and lighten the force of impacting the head, and prevents and reduces the harm to the head of a human body. While riding, the rider protects the head by wearing a helmet. When the temperature of the weather or the external environment is low, the temperature difference between the heat of the user and the external environment may cause the moisture in the air to condense and generate fog on the lens, and the fog on the lens cannot be dissipated quickly due to the temperature difference. Before the fog is completely dissipated, accidents are very likely to happen because the sight of the user is in a dangerous state of being vague, or completely shielded, so that the safety of the user is endangered, and the innocent people are more likely to be injured, thereby causing irretrievable tragedness.

SUMMERY OF THE UTILITY MODEL

Problem to exist among the prior art, the utility model aims to provide an anti-fog lens, it can realize passing through the antifog diaphragm on the protective lens when wearing safety helmet, prevent when the protective lens covers the opening, owing to adhere to the water smoke when breathing on the protective lens, and lead to the user's sight to be in the situation of blurring, and if when it is unclear on rainy day or on feeling the protective lens, the user's accessible is opened the protective lens, discharge with the raindrop through the guiding gutter with higher speed under the auxiliary action of guide plate, simultaneously through running through the groove with external air conditioning discharge and be used in the antifog diaphragm, in order to avoid remaining slight fog on the antifog diaphragm, and can't dispel the fog fast on the protective lens through wiping the piece and comprehensively get rid of, with this visual nature of guaranteeing the protective lens.

In order to solve the above problems, the utility model adopts the following technical proposal.

An anti-fog lens comprises a safety helmet, an opening, a protective lens, a pair of flow guide grooves, a pair of rotating discs and a fixed block; the opening is arranged on one side of the safety helmet and used for observing the external conditions by eyes when the safety helmet is worn; the pair of rotating discs are rotatably arranged in the outer surface of the safety helmet and are mutually symmetrical relative to the length direction of the opening; the protective lenses are fixedly arranged on the pair of rotating discs and cover the outer sides of the openings; the pair of flow guide grooves are arranged in the outer surface of the protective lens, are mutually symmetrical relative to the length direction of the opening and are obliquely arranged; the fixed block is fixed and is located safety helmet surface, and is located opening direction of height's upside, and the fixed block, fixed block are the arc of laminating safety helmet surface.

Furthermore, an anti-fog film is attached to the end face, close to the opening side, of the protective lens, and the attachment position of the anti-fog film covers an area through which eye can pass through the opening; the end face, far away from the opening, of the protective lens is provided with a protective coating for protecting the protective lens from being worn due to contact with external particles in the riding process.

Furthermore, the top of the protective lens is provided with a connecting block, and the connecting block is in an arc shape which is attached to the outer surfaces of the safety helmet and the protective lens; the bottom of the connecting block is fixedly provided with a sliding block connected into the fixed block; the top of the fixing block is provided with a gasket and is positioned at the bottom of the connecting block.

Furthermore, a guide groove is formed in the inner wall of the fixed block, which is far away from the opening side, and two ends of the guide groove in the length direction incline towards the bottom; a guide plate is fixedly arranged in the guide groove, and a waterproof coating is coated on the side, close to the protective lens, of the guide plate.

Furthermore, a through groove is formed in the inner wall, close to the opening side, of the fixing block, the through groove is L-shaped, the protruding part in the height direction is connected to the outside of the fixing block through a gasket, and the sliding block is in sliding fit with the through groove; the wall of the side end, far away from the safety helmet, of the through groove is internally provided with a wiping block, and the wiping block is in end face contact with the end face, close to the opening side, of the protective lens.

Furthermore, the wiping block is provided with at least one through hole close to the rectangular array in the side end face of the safety helmet, and the through holes are used for accelerating the outflow of water vapor in the wiping block.

Furthermore, at least one air vent positioned at the bottom of the opening is arranged in the safety helmet, the at least one air vent is distributed at equal intervals, the air vent is L-shaped, and two ends of the air vent are respectively communicated with the inside and the outside of the safety helmet; a shielding plate is fixedly arranged at the top of the air exchange port close to the opening and is used for ventilation and avoiding the scratch of a user at the position of the air exchange port; a filter plate is arranged in the side end wall of the air vent in the height direction in a sliding manner, a first spring is connected between the filter plate and the inner wall of the air vent, and a magnet is arranged in the bottom of the filter plate; the top of the side end of the length direction of the ventilation opening is internally provided with an arresting plate in a sliding way, the arresting plate is L-shaped, the protruding part of the arresting plate in the width direction is connected to the outside of the safety helmet, a second spring is connected between the top of the arresting plate and the inner wall of the safety helmet, and the bottom of the arresting plate is internally provided with a magnet which is attracted with the magnet in the filter plate.

Compared with the prior art, the utility model has the advantages of:

one, this scheme is through the antifog diaphragm on the protective glass piece when wearing safety helmet, prevent when the protective glass piece covers the opening, on the protective glass piece owing to adhere to the water smoke when breathing, and lead to the user's sight to be in fuzzy situation, and when it is unclear on rainy day or the feeling protective glass piece, the user's accessible is opened the protective glass piece, discharge with the raindrop through the guiding gutter with higher speed under the auxiliary action of guide plate, simultaneously through running through the groove with external air conditioning escape and be used in on the antifog diaphragm, in order to avoid remaining slight fog on the antifog diaphragm, and can't dispel the fog fast on the protective glass piece through wiping the piece and get rid of comprehensively, in order to this guarantee the perspective of protective glass piece.

Two, this scheme is when wearing safety helmet, carries out most completely with external air and safety helmet inside through blocking the sideboard, simultaneously for guaranteeing the cleanliness of outside air, filters and arranges into through the filter with the air that flows into safety helmet, and then can pack up the filter under the condition of opening protective glass piece to guarantee the permanent use of filter.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a left side view structure diagram of the present invention;

fig. 4 is a schematic structural view at a point a of the present invention;

fig. 5 is a schematic structural diagram of the position B of the present invention.

The reference numbers in the figures illustrate:

the safety helmet comprises a safety helmet 1, an opening 2, a protective lens 3, an anti-fog membrane 31, a protective coating 32, a connecting block 33, a flow guide groove 34, a rotating disc 4, a fixed block 5, a guide groove 51, a flow guide plate 52, a through groove 6, a wiping block 61, a sliding block 62, a gasket 7, an air vent 8, a blocking plate 81, a filter plate 82 and a shielding plate 83.

Detailed Description

Referring to fig. 1-5, an anti-fog lens includes a safety helmet 1, an opening 2, a protective lens 3, a pair of guiding grooves 34, a pair of rotating discs 4 and a fixing block 5; the opening 2 is arranged at one side of the safety helmet 1 and is used for observing the external conditions by eyes when the safety helmet 1 is worn; the pair of rotating discs 4 are rotatably arranged in the outer surface of the safety helmet 1, and the pair of rotating discs 4 are mutually symmetrical relative to the length direction of the opening 2; the protective lens 3 is fixedly arranged on the pair of rotating discs 4 and covers the outer side of the opening 2; the pair of flow guide grooves 34 are arranged in the outer surface of the protective lens 3, the pair of flow guide grooves 34 are mutually symmetrical relative to the length direction of the opening 2, and the flow guide grooves 34 are obliquely arranged; fixed block 5 is fixed and is located 1 surface of safety helmet, and is located 2 direction of height's of opening upside, fixed block 5 are the arc of 1 surface of laminating safety helmet.

Referring to fig. 4, an anti-fog film 31 is attached to the end surface of the protective lens 3 near the opening 2, and the attachment position of the anti-fog film 31 covers the area through which the eyes can pass through the opening 2; the end surface of the protective lens 3 far away from the opening 2 is provided with a protective coating 32 for protecting the protective lens 3 from being worn by contacting with external particles during riding. The top of the protective lens 3 is provided with a connecting block 33, and the connecting block 33 is in an arc shape which is attached to the outer surfaces of the safety helmet 1 and the protective lens 3; the bottom of the connecting block 33 is fixedly provided with a sliding block 62 connected into the fixed block 5; the top of the fixing block 5 is provided with a gasket 7 and is positioned at the bottom of the connecting block 33.

Referring to fig. 4, a guide groove 51 is formed in the inner wall of the fixing block 5 on the side away from the opening 2, and two ends of the guide groove 51 in the length direction are inclined toward the bottom; a guide plate 52 is fixedly arranged in the guide groove 51, and the side of the guide plate 52 close to the protective lens 3 is coated with a waterproof coating. A through groove 6 is arranged in the inner wall of the fixing block 5 close to the opening 2, the through groove 6 is L-shaped, the protruding part in the height direction is connected to the outside of the fixing block 5 through a gasket 7, and the sliding block 62 is in sliding fit with the through groove 6; a wiping block 61 is arranged in the side end wall of the through groove 6 far away from the safety helmet 1, and the wiping block 61 is in end face contact with the side end of the protective lens 3 close to the opening 2. At least one through hole is formed in the rectangular array of the wiping block 61 close to the side end face of the safety helmet 1 and used for accelerating the outflow of water vapor inside the wiping block 61.

Referring to fig. 5, at least one ventilation opening 8 is disposed in the safety helmet 1 at the bottom of the opening 2, the at least one ventilation opening 8 is distributed at equal intervals, the ventilation opening 8 is L-shaped, and two ends of the ventilation opening 8 are respectively communicated with the inside and the outside of the safety helmet 1; a shielding plate 84 is fixedly arranged on the top of the ventilation opening 8 close to the opening 2, and the shielding plate 84 is used for ventilation and preventing a user from scratching the position of the ventilation opening 8; a filter plate 82 is arranged in the side end wall of the ventilation opening 8 in the height direction in a sliding manner, a first spring is connected between the filter plate 82 and the inner wall of the ventilation opening 8, the first spring is in a stretching state, and a magnet is arranged in the bottom of the filter plate 82; a blocking plate 81 is arranged in the top of the side end of the ventilation opening 8 in the length direction in a sliding mode, the blocking plate 81 is L-shaped, the protruding part of the blocking plate 81 in the width direction is connected to the outside of the safety helmet 1, a second spring is connected between the top of the blocking plate 81 and the inner wall of the safety helmet 1 and is in a stretching state, and a magnet is arranged in the bottom of the blocking plate 81 and attracted with a magnet in the filter plate 82.

When going out, the user wears the safety helmet 1 on the head, and makes the eyes partially face the direction of the opening 2, and the antifogging film 31 on the protective lens 3 prevents that when the protective lens 3 covers the opening 2, under the condition of ensuring the temperature in the safety helmet 1, the fog generated when breathing is attached to the protective lens 3, and the sight of the user is in a blurred condition.

Therefore, in rainy days or when mist which cannot be dissipated quickly remains in the safety helmet 1, a user can push the protective lens 3 to rotate around the rotary disc 4 to open the protective lens 3, and in the opening process, raindrops are discharged through the guide groove 34 with acceleration under the auxiliary action of the guide plate 52, meanwhile, the sliding block 62 is separated from the through groove 6, and external cold air is discharged into and acts on the anti-fog membrane 31 under the action of the through groove 6, so that fine mist is prevented from remaining on the anti-fog membrane 31, the mist which cannot be dissipated quickly on the protective lens 3 can be completely removed through the wiping block 61, and simultaneously, under the action of the through holes on the wiping block 61, the water vapor absorbed in the wiping block 61 is accelerated to be discharged from the through groove 6, so that the visibility of the protective lens 3 is ensured.

When wearing safety helmet 1, carry out most completely isolated with outside air and safety helmet 1 inside through arresting board 81, simultaneously for guaranteeing outside air's cleanliness, filter and arrange into the air that will flow into safety helmet 1 through filter 82, and when opening protective glass 3, arresting board 81 is under the effect that spring force resumes, filter 82 can the rebound and pack up, the magnet on arresting board 81 and the filter 82 is temporarily no longer inhaled mutually simultaneously, so that in filter 82 income scavenge port 8 under the effect that second spring force resumes, in order to guarantee the permanent use of filter 82.

Claims

1. An anti-fogging lens, characterized by: comprises a safety helmet (1), an opening (2), a protective lens (3), a pair of diversion trenches (34), a pair of rotating discs (4) and a fixed block (5);

the opening (2) is arranged on one side of the safety helmet (1);

the pair of rotating discs (4) are rotatably arranged in the outer surface of the safety helmet (1), and the pair of rotating discs (4) are mutually symmetrical relative to the length direction of the opening (2);

the protective lenses (3) are fixedly arranged on the pair of rotating discs (4) and cover the outer side of the opening (2);

the pair of flow guide grooves (34) are arranged in the outer surface of the protective lens (3), the pair of flow guide grooves (34) are symmetrical relative to the length direction of the opening (2), and the flow guide grooves (34) are obliquely arranged towards the direction of the rotating disc (4) and are positioned on two sides of the opening (2);

fixed block (5) are fixed and are located safety helmet (1) surface, and are located opening (2) direction of height's upside, fixed block (5).

2. The anti-fogging lens according to claim 1, characterised in that: an anti-fog film (31) is attached to the end face of the protective lens (3) close to the opening (2), and the attachment position of the anti-fog film (31) covers the area through which the eye can pass through the opening (2); the side end surface of the protective lens (3) far away from the opening (2) is provided with a protective coating (32).

3. The anti-fogging lens according to claim 1, characterised in that: the top of the protective lens (3) is provided with a connecting block (33); the bottom of the connecting block (33) is fixedly provided with a sliding block (62) connected into the fixed block (5); the top of the fixing block (5) is provided with a gasket (7) and is positioned at the bottom of the connecting block (33).

4. The anti-fogging lens according to claim 1, characterised in that: a guide groove (51) is arranged in the inner wall of the fixing block (5) far away from the opening (2), and two ends of the guide groove (51) in the length direction incline towards the bottom; a guide plate (52) is fixedly arranged in the guide groove (51), and a waterproof coating is coated on the side, close to the protective lens (3), of the guide plate (52).

5. The anti-fogging lens according to claim 1, characterised in that: a through groove (6) is arranged in the inner wall of the fixing block (5) close to the opening (2), the through groove (6) is L-shaped, and the protruding part in the height direction is connected to the outside of the fixing block (5); the side end wall of the penetrating groove (6) far away from the safety helmet (1) is internally provided with a wiping block (61), and the wiping block (61) is in end surface contact with the side end face of the protective lens (3) close to the opening (2).

6. An anti-fogging lens according to claim 5, characterised in that: at least one through hole is arranged in the rectangular array in the side end face of the wiping block (61) close to the safety helmet (1).

7. The anti-fogging lens according to claim 1, characterised in that: at least one air vent (8) positioned at the bottom of the opening (2) is arranged in the safety helmet (1), the at least one air vent (8) is distributed at equal intervals, the air vent (8) is L-shaped, and two ends of the air vent are respectively communicated with the inside and the outside of the safety helmet (1);

a shielding plate (83) is fixedly arranged on the top of the ventilation opening (8) close to the opening (2);

a filter plate (82) is arranged in the side end wall of the height direction of the air exchange port (8) in a sliding manner, a first spring is connected between the filter plate (82) and the inner wall of the air exchange port (8), and a magnet is arranged in the bottom of the filter plate (82);

a blocking plate (81) is arranged in the top of the side end of the air vent (8) in the length direction in a sliding mode, the blocking plate (81) is L-shaped, the protruding part of the blocking plate in the width direction is connected to the outside of the safety helmet (1), a second spring is connected between the top of the blocking plate (81) and the inner wall of the safety helmet (1), and a magnet is arranged in the bottom of the blocking plate (81) and attracted with a magnet in the filter plate (82).