CN113041021A - Head-wearing type mask for weakening strong light emission in high-altitude welding - Google Patents

Abstract

The invention relates to the technical field of welding protection equipment, in particular to a head-mounted mask for weakening strong light emission in high-altitude welding. The invention provides a head-mounted mask for weakening diffusion of strong light during high-altitude welding, and aims to solve the problems that high-altitude welding difficulty is high, and strong light generated during welding greatly influences eyes of welders. The invention discloses a head-mounted mask for weakening diffusion of strong light during high-altitude welding, which comprises a helmet, two rotating shafts which are rotatably connected with the helmet and are symmetrical to each other left and right, and a protective mask which is fixedly connected with the rotating shafts, wherein a glass block which is convenient for a wearer to observe external conditions is arranged on the protective mask, and a weakening assembly for blocking the strong light by using a heat insulation film is arranged on one side of the glass block.

Description

Head-wearing type mask for weakening strong light emission in high-altitude welding

Technical Field

The invention relates to the technical field of welding safety equipment, in particular to a head-mounted mask for weakening strong light emission in high-altitude welding.

Background

The long-time welding of welders can cause electric ophthalmia, discomfort of eyes of light people and burning sensation and severe pain of eyes of heavy people.

High altitude welding operation reduces welder and irritant gas contact because of gaseous mobility is strong, and the eye protection is the most important, and the welder wears the head-mounted face guard and can more effective protection self safety on the one hand, thereby on the other hand can reduce other worry and accelerate welded process, and the material that transparent glass plate surface was paintd on the current head-mounted face guard influences the judgement of welder to the welding actual conditions though can completely cut off the highlight, has the phenomenon of distortion.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a head-mounted mask for weakening diffusion of hard light during high-altitude welding, so as to solve the problems that the difficulty of the existing high-altitude welding is high, and the eyes of welders are greatly affected by the hard light generated during welding.

The technical scheme of the invention is that the head-wearing type mask for weakening the diffusion of strong light during high-altitude welding.

The helmet-mounted mask for weakening glare emission during high-altitude welding comprises a helmet, two rotating shafts which are rotatably connected with the helmet and are symmetrical to each other left and right, and a protective mask which is fixedly connected with the rotating shafts, wherein a glass block which is convenient for a wearer to observe external conditions is arranged on the protective mask, a weakening component which utilizes a heat insulation film to block glare is arranged on one side of the glass block, a wiping component which utilizes a ball screw to control a cylindrical sponge block to clean dirt on the surface of the glass block is arranged on the other side of the glass block, and the same power source is utilized to control the wiping component to wipe the surface of the glass block during working.

The rotating shaft is provided with two knobs which are positioned on the outer side of the helmet and are bilaterally symmetrical relative to the helmet.

The weakening assembly comprises a winding box, the protective mask is close to one side end face of the face of a wearer and is provided with a placement heat insulation film, a winding shaft is arranged on one side end face of the winding box and is provided with a winding device, the winding shaft is provided with a winding device, the winding device is connected with the winding box through a stretching spring, a stretching block is arranged on one side end face of the winding box, and the heat insulation film is fixedly connected with the stretching block.

The weakening assembly further comprises a micro motor fixedly connected with the end face of one side of the winding box in an extending mode, the protective mask is far away from the end face of one side of the winding box, a ball screw is arranged on one side of the micro motor in a rotating mode, a nut is connected to the ball screw in a threaded mode, and the nut is fixedly connected with the stretching block through a connecting shaft.

The cleaning assembly comprises a connecting rod fixedly connected with the nut, a rotating rod is rotatably arranged on the connecting rod, and the rotating rod is provided with a cylindrical sponge block for cleaning dirt on the surface of the glass block.

The power source comprises a first roller fixedly connected with the ball screw, two power shafts which are bilaterally symmetrical relative to the glass block are arranged on the helmet, a second roller is arranged on the power shafts, jaw protection cloth for protecting a chin is arranged on the rear side of the helmet, and the jaw protection cloth, the first roller and the second roller are connected through a string.

By adopting the technical scheme, the invention has the following beneficial effects:

in the middle of this scheme, design into the relation that can supply the person of wearing rotation control between guard plate and the helmet and make things convenient for many people to wear, the person of wearing can control position between the two according to self demand, design the total weight that same power supply can reduce equipment, alleviate the heavy burden of the person of wearing and feel, it drives the dirty work of getting rid of on cylinder sponge piece to glass piece surface simultaneously to pass through threaded connection between ball screw and the ball nut, the car membrane is opened and is sheltered from the intensity that the realization was cut weak light completely with the glass piece by pulling the piece, alleviate the stimulation that eyes received.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic top view of a head-mounted helmet for high-altitude welding to reduce glare emissions in accordance with the present invention;

FIG. 2 is a schematic view of the structure A-A of FIG. 1;

FIG. 3 is a schematic diagram of B-B of FIG. 1;

FIG. 4 is a schematic diagram of the structure of C-C in FIG. 1;

FIG. 5 is a schematic perspective view of the retractor of FIG. 3;

fig. 6 is a perspective view of a head-mounted mask.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and 6, a head-mounted helmet for reducing glare emission during high altitude welding comprises a helmet 11, two rotation shafts 13 rotatably connected with the helmet 11 and bilaterally symmetrical with respect to the helmet 11, and a face shield 12 fixedly connected with the rotation shafts 13, wherein the face shield 12 is provided with a glass block 16 for facilitating a wearer to observe external conditions, one side of the glass block 16 is provided with a reducing component 1 for blocking glare by using a heat insulation film 28, the heat insulation film 28 is used for reducing glare generated during welding work by using a specific shape of polyester plastic, the other side of the glass block 16 is provided with a wiping component 2 for cleaning dirt on the surface of the glass block 16 by using a ball screw to control a cylindrical sponge block 25, the surface of the cylindrical sponge block 25 is provided with a felt-like object which is in contact with the glass block 16 through friction action, the weakening assembly 1 controls the wiping assembly 2 to wipe the surface of the glass block 16 by using the same power source during the working process.

Referring to fig. 1, two knobs 14 are disposed on the rotating shaft 13 and located outside the helmet 11 and symmetrically left and right with respect to the helmet 11, and the wearer can control the angular relationship between the face shield 12 and the helmet 11 by rotating the knobs 14 to better assist the wearer in performing welding work.

Referring to fig. 1 and 3, the weakening assembly 1 includes a winding box 15 disposed on an end surface of the protective mask 12 close to a face of a wearer and used for placing the heat-insulating film 28, a winding shaft 19 is disposed on an end surface of the winding box 15, a winder 21 for winding the heat-insulating film 28 is disposed on the winding shaft 19, the winding shaft 19 is connected to the winding box 15 through an extension spring 20, the winding shaft 19 resets the heat-insulating film 28 according to elastic potential energy of the extension spring 20, a stretching block 22 is disposed on an end surface of the winding box 15, and the heat-insulating film 28 is fixedly connected to the stretching block 22.

Referring to fig. 1 and 3, the weakening assembly 1 further includes a ball screw 17 rotatably disposed on an end surface of one side of the protective mask 12 far away from the winding box 15, a nut 24 is connected to the ball screw 17 through a thread, the nut 24 is fixedly connected to the stretching block 22 through a connecting shaft 23, and the stretching block 22 pulls the heat insulation film 28 to cover the glass block 16 according to the thread connection between the nut 24 and the ball screw 17 to weaken strong light.

Referring to fig. 1 and 4, the wiping assembly 2 includes a connecting rod 27 fixedly connected to the nut 24, a rotating rod 26 is rotatably disposed on the connecting rod 27, the rotating rod 26 is provided with the cylindrical sponge block 25 for wiping dirt on the surface of the glass block 16, the cylindrical sponge block 25 absorbs a welding spatter cleaning agent, and the cylindrical sponge block 25 slides on the surface of the glass block 16 according to the threaded connection between the nut 24 and the ball screw 17 to clean the welding spatter on the surface.

Referring to fig. 1, the power source 3 includes a first roller 31 fixedly connected to the ball screw 17 and having a torsion spring, two power shafts 30 are disposed on the helmet 11 and are bilaterally symmetric with respect to the glass block 16, a second roller 32 is disposed on the power shafts 30, a jaw protection cloth 33 for protecting the chin is disposed on the rear side of the helmet 11, the jaw protection cloth 33 has no elasticity, the jaw protection cloth 33, the first roller 31 and the second roller 32 are connected by a string 34, the wearer drives the jaw protection cloth 33 to be away from the helmet 11 relative to the power shafts 30 by opening the upper and lower jaws, and the jaw protection cloth 33 pulls the ball screw 17 to rotate through the string 34 to output power.

The working principle is as follows:

initially, the nut 24 is located at the position of the ball screw 17 closest to the winding box 15, the tension spring 20 has no elastic potential energy, the micro motor 18 stops working, and the cylindrical sponge block 25 is located at the position close to the winding box 15.

When working aloft, a welder wears the helmet 11 on his head, the wearer controls the rotation of the knob 14 according to his own requirements, the knob 14 rotates to drive the rotation shaft 13 to rotate, the rotation shaft 13 rotates to drive the protective mask 12 to rotate, the protective mask 12 rotates to shield all the skin of the wearer's face, the welder starts welding work, when welding spatters appear on the surface of the glass block 16, the wearer drives the jaw protection cloth 33 to move away from the helmet 11 relative to the power shaft 30 by opening the upper and lower jaws, the jaw protection cloth 33 pulls the second roller 32 on the right side to rotate through the string 34, the second roller 32 on the right side drives the first roller 31 to rotate through the string 34, the torsion spring stores power, the first roller 31 rotates to drive the ball screw 17 to rotate, the ball screw 17 rotates to drive the nut 24 to move close to one side of the micro motor 18, the nut 24 moves to drive the stretching block 22 to move through the connecting shaft 23, the stretching block 22 moves to, the heat insulation film 28 is gradually pulled open and completely shields the glass block 16, the heat insulation film 28 does not influence the welder to observe the outside, the heat insulation film 28 acts to weaken the stimulation of the welding strong light to the eyes of the welder, some dust or dirt is generated at the welding position, in an overhead environment, the dust and dirt can be adhered to the surface of the glass block 16 due to the wind direction to influence the welding work of the welder, at the moment, the nut 24 moves close to one side of the first roller 31 and also drives the rotating rod 26 to move through the connecting rod 27, the rotating rod 26 moves to drive the cylindrical sponge block 25 to move along the surface of the glass block 16, in the moving process, the felt on the cylindrical sponge block 25 removes the dirt on the surface of the glass block 16 by using friction, when the strong light at the welding position disappears, the photosensitive sensor 29 senses the change and controls the micro motor 18 to rotate reversely through signals, the micro motor 18 rotates reversely to drive the ball screw 17 to rotate, the ball screw 17 rotates reversely to drive the cylindrical sponge block 25 to reset, the heat insulation film 28 resets under the elastic potential energy of the extension spring 20, and the winder 21 winds the heat insulation film 28 again.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a high altitude welding weakens head-mounted face guard that highlight sent, including helmet (11), set up with helmet (11) rotate to be connected and about two axis of rotation (13) of helmet (11) bilateral symmetry, set up with axis of rotation (13) fixed connection's protective face mask (12), be equipped with glass piece (16) that make things convenient for the person of wearing to observe external conditions on protective face mask (12), its characterized in that: the device is characterized in that a weakening component (1) for blocking strong light by using a heat insulation film (28) is arranged on one side of the glass block (16), a wiping component (2) for cleaning dirt on the surface of the glass block (16) by using a ball screw to control a cylindrical sponge block (25) is arranged on the other side of the glass block (16), and the weakening component (1) controls the wiping component (2) to wipe the surface of the glass block (16) by using the same power source (3) in the working process.

2. A high altitude welding glare-reducing head-mounted mask as defined in claim 1, wherein: two knobs (14) which are positioned on the outer side of the helmet (11) and are bilaterally symmetrical relative to the helmet (11) are arranged on the rotating shaft (13).

3. A high altitude welding glare-reducing head-mounted mask as defined in claim 1, wherein: weaken subassembly (1) include with protective face mask (12) are close to and are equipped with on the wearer face side end face and place rolling case (15) of thermal-insulated membrane (28), be equipped with rolling axle (19) on rolling case (15) side end face, be equipped with the rolling on rolling axle (19) winder (21) of thermal-insulated membrane (28), rolling axle (19) with connect through extension spring (20) between rolling case (15), be equipped with on rolling case (15) side end face tensile piece (22), thermal-insulated membrane (28) with fixed connection between tensile piece (22).

4. A high altitude welding glare-reducing head-mounted mask as defined in claim 3, wherein: the weakening assembly (1) further comprises a ball screw (17) which is rotatably arranged on the end face of one side, away from the winding box (15), of the protective mask (12), a nut (24) is connected to the ball screw (17) in a threaded mode, and the nut (24) is fixedly connected with the stretching block (22) through a connecting shaft (23).

5. A high altitude welding glare-reducing head-mounted mask as defined in claim 1, wherein: the cleaning component (2) comprises a connecting rod (27) fixedly connected with the nut (24), a rotating rod (26) is arranged on the connecting rod (27) in a rotating mode, and the cylindrical sponge block (25) for cleaning dirt on the surface of the glass block (16) is arranged on the rotating rod (26).

6. A high altitude welding glare-reducing head-mounted mask as defined in claim 1, wherein: the power source (3) comprises a first roller (31) fixedly connected with the ball screw (17), two power shafts (30) which are bilaterally symmetrical relative to the glass block (16) are arranged on the helmet (11), a second roller (32) is arranged on the power shafts (30), jaw protection cloth (33) for protecting a chin is arranged on the rear side of the helmet (11), and the jaw protection cloth (33), the first roller (31) and the second roller (32) are connected through a string (34).

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