CN211187784U

CN211187784U - Flip type automatic light-changing welding mask

Info

Publication number: CN211187784U
Application number: CN201921213265.4U
Authority: CN
Inventors: 徐奇峰
Original assignee: Ningbo Yinzhou Tianweld Electronic Technology Co ltd
Current assignee: Ningbo Yinzhou Tianweld Electronic Technology Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-08-07
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses an automatic darkening welding face guard of flip formula, including the face guard casing, the window card of face guard casing is equipped with the screening glass, and the face guard casing is installed and is located the flip structure that can turn over of screening glass front end, and the flip structure is located two fixed stop at fixed frame front and back both ends, presss from both sides the light filter and the circuit board of changing that locate between two fixed stop including the flip main part, the card that are equipped with the window and locating the fixed frame, the card of flip main part window, the circuit board is located become light filter below, face guard casing back mounted has the adjustable bandeau subassembly of activity. The utility model designs the face mask into a flip cover, when the user needs better observation conditions, the whole face mask does not need to be taken down, the filter lens can be lifted independently, and the observation can be directly carried out through the transparent window, thereby obtaining good observation effect and being more convenient; and the headband with the hindbrain capable of moving up and down is designed, so that the headband can be better attached to the head for fixation, and the mask can be worn more stably and comfortably.

Description

Flip type automatic light-changing welding mask

Technical Field

The utility model belongs to the welding face guard specifically is an automatic darkening welding face guard of flip formula.

Background

The automatic welding mask is mainly in a head-wearing type, a helmet-type and a glasses type, the head-wearing type and the helmet-type are heavy, a traditional head band is fixed, the head is not comfortable and inconvenient to rotate, the mask is easy to shift and fall off, and the neck and the fatigue of a user can be caused by long-term use, most of the masks in the market at present are fixed filter lenses (ADFs), the ADF state light transmittance is only about 10%, and when the mask needs to be observed in a fine mode, the user can only put on or take off the whole mask, and the mask is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the flip type automatic darkening welding mask is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic darkening welding face guard of flip formula, includes the face guard casing, and the window card of face guard casing is equipped with the screening glass, and the face guard casing is installed and is located the flip structure that can turn up of screening glass front end, and the flip structure is including the flip main part that is equipped with the window, the fixed frame of locating flip main part window, two fixed stop at fixed frame front and back both ends are located to the card, press from both sides the light filter and the circuit board of locating between two fixed stop, the circuit board is located become light filter below, face guard casing back mounted has the adjustable bandeau subassembly of activity.

Preferably, the bandeau subassembly includes the fixed knob of bandeau, the movable block, the angle adjustment piece, sweat-absorbing sponge, bandeau elasticity knob, the bandeau pivot, support area and elasticity regulation area, beneficial effect is through the fixed bandeau subassembly of bandeau fixed knob and face guard casing, adjust the horizontal distance of cap to eyes through the movable block, through angle adjustment piece adjustment filter and horizontally angle, through bandeau elasticity knob adjustment bandeau subassembly and afterbrain elasticity, set up the bandeau pivot and make whole bandeau subassembly can carry out the tilting around it, and the bandeau pivot makes to support the area according to head type angle of adjustment with the cooperation, it is more comfortable to wear.

Preferably, the fixed knob of bandeau the movable block angle adjustment spare with the bandeau pivot all has two, and symmetric distribution in face guard both sides, and beneficial effect makes the bandeau adjustment more meticulous through the symmetric distribution that sets up a plurality of regulating parts, has guaranteed that bandeau and head cooperation are closely comfortable, and the security is higher.

Preferably, the elastic adjusting belt is provided with a plurality of holes, and the elastic adjusting belt has the advantages that the elastic adjusting belt can adjust the fixed length by arranging the holes, and the elastic adjusting belt can be fixed in different lengths according to different head types.

Preferably, be equipped with at least one light sensor on the circuit board, the beneficial effect is through setting up the light signal that this light sensor received electric arc and produced, changes the voltage size through cooperating with control circuit, adjusts liquid crystal and hides the light effect.

Preferably, the flip main body is provided with at least one filter adjusting knob, and the beneficial effects are that the color number of the filter is adjusted by setting the knob, so that the shading degree is changed.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model designs the face mask into a flip cover, when the user needs better observation conditions, the whole face mask does not need to be taken down, the filter lens can be lifted independently, and the observation can be directly carried out through the transparent window, thereby obtaining good observation effect and being more convenient; and the headband with the hindbrain capable of moving up and down is designed, so that the headband can be better attached to the head for fixation, and the mask can be worn more stably and comfortably.

Drawings

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

fig. 2 is a schematic structural diagram of the flip structure of the present invention;

fig. 3 is a top view of the headband assembly of the present invention.

In the figure: 1. a mask shell; 1-1, protecting the sheet; 2. a flip structure; 2-1, a circuit board; 2-2, fixing a baffle; 2-3, a light-changing filter; 2-4, a flip body; 2-5, fixing frames; 2-6, a filter adjusting knob; 3. a headgear assembly; 3-1, fixing a knob by a head band; 3-2, a movable block; 3-3, an angle adjusting piece; 3-4, sweat-absorbing sponge; 3-5, a tightening knob is arranged on the head; 3-6, a rotating shaft is arranged on the head; 3-7, a support belt; 3-8, and an elastic adjusting belt.

Detailed Description

The first embodiment is as follows:

the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-3, a flip type automatic darkening welding helmet comprises a helmet shell 1, a protective sheet 1-1 is clamped on a window of the mask shell 1, the mask shell 1 is provided with a turnover cover structure 2 which is positioned at the front end of the protective sheet 1-1 and can be turned outwards, the flip structure 2 comprises a flip main body 2-4 provided with a window, a fixed frame 2-5 clamped at the window of the flip main body 2-4, two fixed baffles 2-2 clamped at the front end and the rear end of the fixed frame 2-5, a light-changing filter 2-3 clamped between the two fixed baffles 2-2 and a circuit board 2-1, the flip cover main body 2-4 is provided with at least one filter adjusting knob 2-6, and the color number of the filter is adjusted by setting the knob, so that the shading degree is changed; the circuit board 2-1 is positioned below the light-changing filter 2-3, the circuit board 2-1 is provided with at least one optical sensor, the optical sensor is arranged to receive optical signals generated by electric arcs, and the circuit board is matched with a control circuit to change the voltage so as to adjust the liquid crystal light shading effect; the back of the mask shell 1 is provided with a movable adjustable headband assembly 3, the headband assembly 3 comprises a headband fixing knob 3-1, a movable block 3-2, an angle adjusting piece 3-3, sweat absorbing sponge 3-4, a headband tightening knob 3-5, a headband rotating shaft 3-6, a supporting band 3-7 and a tightening adjusting band 3-8, the headband fixing knob 3-1, the movable block 3-2, the angle adjusting piece 3-3 and the headband rotating shaft 3-6 are respectively provided with two and symmetrically distributed on two sides of the mask, the headband is adjusted more finely by arranging the symmetrical distribution of a plurality of adjusting pieces, the headband is ensured to be matched with the head tightly and comfortably, and the safety is higher; the headband component 3 and the mask shell 1 are fixed through the headband fixing knob 3-1, the horizontal distance from the hat to eyes is adjusted through the movable block 3-2, the angle between the filter and the horizontal is adjusted through the angle adjusting piece 3-3, the tightness between the headband component 3 and the afterbrain is adjusted through the headband tightness knob 3-5, the whole headband component 3 can rotate up and down around the headband component 3 through the arrangement of the headband rotating shaft 3-6, and the angle can be adjusted according to the head shape through the matching of the headband rotating shaft 3-6 and the supporting bands 3-7, so that the wearing is more comfortable; the tightness adjusting belts 3-8 are provided with a plurality of holes, the tightness adjusting belts can adjust the fixed length through the holes, and the tightness adjusting belts can be fixed in different lengths according to different head types.

The working principle is as follows: the utility model discloses an utilize the special photoelectric characteristic of liquid crystal, after liquid crystal both ends were applyed certain voltage, liquid crystal molecule arrangement mode changed, had changed the light transmissivity of liquid crystal promptly, had reached the effect of shading. When there is no electric arc light, the liquid crystal has better light transmissivity, the user can clearly see the welding target, when the arc light produced, the light sensor on the product produced the signal of telecommunication because of the arc light, changed the voltage size through control circuit drive liquid crystal, adjusted the shading grade of liquid crystal.

The utility model designs the face mask into a flip cover, when the user needs better observation conditions, the whole face mask does not need to be taken down, the filter lens can be lifted independently, and the observation can be directly carried out through the transparent window, thereby obtaining good observation effect and being more convenient; and the headband with the hindbrain capable of moving up and down is designed, so that the headband can be better attached to the head for fixation, and the mask can be worn more stably and comfortably.

Example two:

the difference of this example from example 1 is that:

the inner cavity of the mask shell is provided with sponge, so that the mask shell is prevented from damaging the face when accidentally colliding with a human body, and a buffering effect is achieved.

Claims

1. The utility model provides an automatic darkening welding helmet of flip formula, includes face guard casing (1), its characterized in that: a protective sheet (1-1) is clamped on a window of the mask shell (1), a turnover cover structure (2) which is positioned at the front end of the protective sheet (1-1) and can be turned outwards is arranged on the mask shell (1), the flip structure (2) comprises a flip main body (2-4) provided with a window, a fixing frame (2-5) clamped at the window of the flip main body (2-4), two fixing baffles (2-2) clamped at the front end and the rear end of the fixing frame (2-5), a light-changing filter (2-3) clamped between the two fixing baffles (2-2) and a circuit board (2-1), the circuit board (2-1) is positioned below the light-changing filter (2-3), and the back of the mask shell (1) is provided with a movable adjustable headband assembly (3).

2. The flip type automatic darkening welding helmet of claim 1, wherein: the headband component (3) comprises a headband fixing knob (3-1), a movable block (3-2), an angle adjusting piece (3-3), a sweat absorbing sponge (3-4), a headband tightness knob (3-5), a headband rotating shaft (3-6), a supporting band (3-7) and a tightness adjusting band (3-8).

3. The flip type automatic darkening welding helmet of claim 2, wherein: the headband comprises two headband fixing knobs (3-1), two movable blocks (3-2), two angle adjusting pieces (3-3) and two headband rotating shafts (3-6), and the headband fixing knobs are symmetrically distributed on two sides of the face mask.

4. The flip type automatic darkening welding helmet of claim 2, wherein: the tightness adjusting belt (3-8) is provided with a plurality of holes.

5. The flip type automatic darkening welding helmet of claim 1, wherein: at least one optical sensor is arranged on the circuit board (2-1).

6. The flip type automatic darkening welding helmet of claim 1, wherein: at least one filter adjusting knob (2-6) is arranged on the flip cover main body (2-4).