CN112842689A

CN112842689A - Protective mask for welding

Info

Publication number: CN112842689A
Application number: CN201911186008.0A
Authority: CN
Inventors: 章远
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-05-28

Abstract

The invention discloses a protective mask for welding, which comprises a mask body, wherein the mask body comprises a fixing band, a eye shield and a mask body, a buckle is fixed at one end of the fixing band, clamping holes are uniformly formed in the other end of the fixing band, connecting insertion blocks are symmetrically arranged at the bottom of the fixing band, the mask body is arranged below the fixing band, lugs are arranged at two ends of the top of the mask body, the lugs extend to positions between a group of the connecting insertion blocks right above the lugs and are fixedly connected with the fixing band, an observation groove is formed in the middle of the mask body, and the eye shield is rotatably connected inside the observation groove. According to the invention, the fixing band, the eye shield, the shield body and the connecting insert block are adopted, so that the user can effectively clamp the buckles and the clamping holes at the two ends of the fixing band, the mask body is sleeved on the head part of the user through the fixing band, the device is suitable for different users, and the mask body can be fixedly inserted into the accessory connecting seat on the outer side of the safety helmet through the connecting insert block, so that the mask body and the safety helmet can be conveniently assembled and used.

Description

Protective mask for welding

Technical Field

The invention relates to the technical field of protective masks, in particular to a protective mask for welding.

Background

Welding is a common metal processing technology, a metal product can generate a welding arc in the welding process, the welding arc contains a large amount of high-intensity rays such as visible light, infrared rays and ultraviolet rays, and the eyes of a welder can be injured by light radiation caused by the high-intensity visible light, infrared rays and ultraviolet rays, so that a protective mask needs to be worn to reduce the damage of the light radiation to a human body in the welding process.

Present welding mask can be divided into wear-type and hand-held type, in order to improve the convenience of welding operation, people directly adopt wear-type protective mask more and use, but present wear-type protective mask, most be fixed dimension, the operator that can't be applicable to different head girths well wears, the suitability is not good, and the most simple structure of present mask, the operator can receive the flue gas influence that the welding produced in long-time working process, and when welding in the lower environment of temperature, the phenomenon of operator exhalation gaseous atomizing sight glass can appear, very easily cause the influence to the welding operation, and simultaneously, present protective mask can't provide supplementary light source, not only be unfavorable for the operator to observe the welding point under the dark environment, still easily cause welding and the too big phenomenon of injury to operator's eyes of highlight ambient light luminance difference.

Disclosure of Invention

The invention aims to provide a protective mask for welding, which solves the problems that the protective mask for welding cannot be well suitable for operators with different head circumferences to wear, cannot filter smoke generated by welding, cannot avoid the phenomenon that exhaled gas atomizes observation glasses in a low-temperature environment, and cannot provide a supplementary light source.

In order to achieve the purpose, the invention provides the following technical scheme: a protective mask for welding comprises a mask body, wherein the mask body comprises a fixing band, a eye shield and a mask body, a buckle is fixed at one end of the fixing band, a clamping hole is uniformly formed in the other end of the fixing band, 2 groups of connecting insertion blocks are symmetrically arranged at the bottom of the fixing band, the mask body is arranged below the fixing band, lugs are arranged at two ends of the top of the mask body, 2 lugs and the top of the mask body form a U-shaped groove, a rubber pad is fixed on the mask body in the groove, 2 lugs extend to positions between the connecting insertion blocks right above the lug and are fixedly connected with the fixing band, a control switch is fixed on the mask body at the positions of the lugs, an observation groove is formed in the middle of the mask body, the eye shield is rotatably connected in the observation groove, a filter lens is fixed in the center of the eye shield, electric push rods are hinged to inner walls at two ends of the observation groove at the inner side of the eye shield, and electric putter's output all is articulated fixedly with the eye shield of filter lens below, it has the apron that charges to articulate on the lateral wall of the cover body of observation groove top, and the inside of the inboard cover body of apron that charges is fixed with the port that charges, and the inside of the cover body of port below that charges is fixed with the battery, it all overlaps on the lateral wall of the cover body of apron both ends that charges and is equipped with the light filling lamp, all is fixed with ventilative seat on the cover body of light filling lamp below, and is fixed with the cushion on the inside wall of the cover body.

Furthermore, when the mask body is assembled with the safety helmet, the 2 groups of connecting insertion blocks can be inserted and fixed with the accessory connecting seat arranged outside the safety helmet, and after the mask body and the safety helmet are assembled, the rubber pad is tightly attached to the bottom of the brim of the safety helmet.

Further, the rubber pad has a corrugated cross section.

Further, the inside sliding connection of seat of breathing freely has the snap ring, and the inside of snap ring is fixed with the fan, fan one end is equipped with dust screen and active carbon otter board, and dust screen and active carbon otter board pass through fixture block fixed connection, and dust screen and active carbon otter board pass through the fixture block joint in snap ring one end.

Further, 2 the rotation direction of fan is opposite, and fan, dust screen and active carbon net plate size equal, and the active carbon net plate is arranged between fan and the dust screen.

Furthermore, light filling lamp, fan, the port that charges and electric putter all are connected with the battery electricity, and 2 control switch control 2 fans and 2 electric putter circular telegrams outage respectively.

Further, the number of the clamping holes is not less than 2, and the buckles and the clamping holes are matched with each other.

Compared with the prior art, the invention has the beneficial effects that: the protective mask for welding can effectively supplement light for welding environment through the open light supplementing lamp by clamping the buckle and the clamping holes at different positions through the fixing band, so that a user can sleeve the mask body on the head through the fixing band, the device is suitable for different users, eye injury caused by overlarge difference between dazzling light beams generated in the welding process and ambient illumination brightness is avoided when welding is carried out in a dark state, the user can also irradiate a welding point through the light supplementing lamp, so that the user can observe the welding point and carry out welding operation, the closed eye protective mask and the light filtering lens can isolate ambient electric arcs, the damage of the electric arcs to the user is reduced, and meanwhile, the user can control the fan and the electric push rod to be electrified and work by pressing the control switch, and then make individual fan that turns to opposite use as air exhauster and suction fan respectively, make the air exhauster filter back suction user oronasal department with the ambient gas by the active carbon web, reduce the waste gas that the welding produced and the harm of the dirty gas of environment to the human body, provide the user and carry out the clean air of safe respiration, and the air exhauster can be discharged after being filtered with user's exhalation gas by the active carbon web, the exhalation gas that will have the temperature is discharged fast, not only can avoid exhalation gas and ambient temperature's temperature difference to cause the blurred phenomenon of filter lens, can also reduce the pollution of exhalation gas to the ambient gas, and electric putter is flexible can promote the eye guard and rotate around the articulated shaft, so that the user is in actual welding process, the welding situation of welding point is observed through the eye guard that opens, improve the degree of accuracy of welding point welding, the use of the device of being convenient for.

Drawings

FIG. 1 is a front view of the mask body of the present invention;

FIG. 2 is a schematic side sectional view of the air permeable seat of the present invention;

FIG. 3 is a schematic side sectional view of a portion of the housing of the present invention;

fig. 4 is a schematic view of the assembling structure of the mask body and the safety helmet of the present invention.

In the figure: 1. a safety helmet; 2. fixing belts; 3. an eye shield; 4. a filter lens; 5. a cover body; 6. a breathable seat; 7. a light supplement lamp; 8. a control switch; 9. an accessory connecting seat; 10. connecting the plug blocks; 11. a rubber pad; 12. buckling; 13. a clamping hole; 14. a charging cover plate; 15. a fan; 16. a dust screen; 17. an activated carbon screen plate; 18. a snap ring; 19. a clamping block; 20. a storage battery; 21. an electric push rod; 22. an observation tank; 23. an elastic pad.

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.

Referring to fig. 1-4, an embodiment of the present invention is shown: a protective mask for welding comprises a mask body, the mask body comprises a fixing band 2, a eye shield 3 and a mask body 5, a buckle 12 is fixed at one end of the fixing band 2, a clamping hole 13 is uniformly arranged at the other end of the

fixing band

2, 2 groups of connecting insertion blocks 10 are symmetrically arranged at the bottom of the fixing band 2, the mask body 5 is arranged below the fixing band 2, lugs are arranged at two ends of the top of the

mask body

5, 2 lugs and the top of the mask body 5 form a U-shaped groove, a rubber pad 11 is fixed on the mask body 5 in the groove, the cross section of the rubber pad 11 is corrugated, 2 lugs extend to positions between the connecting insertion blocks 10 right above the lug and are fixedly connected with the fixing band 2, a control switch 8 is fixed on the mask body 5 at the position of the lugs, an observation groove 22 is arranged in the middle of the mask body 5, the eye shield 3 is rotatably connected in the observation groove 22, and a light filtering lens 4 is fixed in the center of the eye, electric push rods 21 are hinged on the inner walls of two ends of an observation groove 22 on the inner side of the eye shield 3, the output end of each electric push rod 21 is hinged and fixed with the eye shield 3 below the filter lens 4, a charging cover plate 14 is hinged on the outer side wall of a cover body 5 above the observation groove 22, a charging port is fixed inside the cover body 5 inside the charging cover plate 14, a storage battery 20 is fixed inside the cover body 5 below the charging port, light supplementing lamps 7 are sleeved on the outer side walls of the cover bodies 5 at two ends of the charging cover plate 14, the light supplementing lamps 7, a fan 15, the charging port and the electric push rods 21 are electrically connected with the

storage battery

20, 2 control switches 8 respectively control 2

fans

15 and 2 electric push rods 21 of a fixing band to be powered on and powered off so as to supply power to the device through the storage battery 20, a user can conveniently control the

fans

15 and 2 electric push rods 21 to be powered on and work by pressing the 2 control switches, the phenomenon that the filter lens 4 is fuzzy when a user exhales gas is avoided, the electric push rod 21 can push the eye shield 3 to rotate around the hinged shaft so that the user can observe the welding condition of a welding point through the opened eye shield 3 in the actual welding process, meanwhile, the light supplement lamp 7 can effectively improve the illumination of the environment, the eye injury condition caused by overlarge difference between dazzling light beams generated in the welding process and the ambient illumination brightness is avoided when the user carries out welding in a dark state, the welding point can be effectively irradiated through the light supplement lamp 7 so that the user can observe the welding point when the eye shield 3 is opened, the air permeable seats 6 are fixed on the cover body 5 below the light supplement lamp 7, the clamping rings 18 are slidably connected inside the air permeable seats 6, the fans 15 are fixed inside the clamping rings 18, one ends of the fans 15 are provided with the dust screens 16 and the activated carbon screen plates 17, the dust screens 16 and the activated carbon screen plates 17 are fixedly connected through the clamping blocks 19, the dustproof net 16 and the active carbon net plate 17 are clamped at one end of the clamping ring 18 through a clamping block 19, the turning directions of the 2 fans 15 are opposite, the sizes of the fans 15, the dustproof net 16 and the active carbon net plate 17 are equal, the active carbon net plate 17 is arranged between the fans 15 and the dustproof net 16, so that the 2 fans 15 can be respectively used as an exhaust fan and a suction fan, further the exhaust fan filters ambient air by the active carbon net plate 17 and then pumps the ambient air into the mouth and nose of a user, the damage of waste gas generated by welding and the dirty air of the environment to the human body is reduced, clean air for safe breathing of the user is provided, the suction fan filters the exhaled air of the user by the active carbon net plate 17 and then discharges the exhaled air with temperature, the pollution to the ambient air is reduced, an elastic cushion 23 is fixed on the inner side wall of the cover body 5, when the mask body is assembled with the safety helmet 1, the mask body can be spliced and fixed with an accessory connecting seat 9 arranged, and the face guard body accomplishes the back with safety helmet 1 assembly, rubber pad 11 pastes tightly each other with the bottom of 1 brim of a hat department of safety helmet, the number of card hole 13 is 3, and buckle 12 and card hole 13 mutually support, so that the face guard body not only can carry out adaptability according to user's head circumference and adjust, make the direct suit of device use at user's head, can also effectively assemble device and safety helmet 1, improve the security that the device used, and corrugated rubber pad 11 can be assembled the back at device and safety helmet 1, by the brim of a hat extrusion of safety helmet 1, fully fill up the clearance between safety helmet 1 and the device, make device and safety helmet 1 constitute a whole and use, the suitability of device has been improved.

The working principle is as follows: during the use, can be directly through fixed band 2 with face guard body suit at user's head, and make the cover body 5 towards user's face, and fixed band 2 can be according to user's head circumference size adjustment buckle 12 fixed card hole 13 position, so that the device is applicable to different users, in the use, battery 20 supplies power for the device, the user can open light filling lamp 7 and carry out the light filling for welding environment, when effectively avoiding welding under the dark state, the dazzling light beam that produces among the welding process and the too big eye injury situation that causes of ambient light luminance difference, and the user also can shine the welding point through light filling lamp 7, so that the user observes and welds the operation to the welding point, among the welding process, the filtering lens 4 on user's accessible closed eye shield 3 keeps apart the environmental arc, reduce the harm of electric arc highlight to the user, simultaneously the user can be through pressing 2 control switch 8

control fan

15 and 2 electric putter 21 circular telegram of electric putter Work, and then make 2 fans 15 that turn to opposite directions use as air exhauster and suction fan respectively, make the air exhauster suction user's mouth and nose department after being filtered by activated carbon mesh board 17 with ambient gas, reduce the harm to the human body of waste gas and the dirty gas of environment that the welding produced, provide the user and breathe clean air safely, and the suction fan discharges the exhaled gas of user after being filtered by activated carbon mesh board 17, discharge exhaled gas with the temperature fast, not only can avoid the temperature difference of exhaled gas and ambient temperature to cause the blurred phenomenon of filter lens 4, can also reduce the pollution of exhaled gas to ambient gas, simultaneously, electric putter 21 stretches out and draws back and can promote eye shield 3 and rotate around the articulated shaft, so that the user in actual welding process, observe the welding situation of spot welding point through the eye shield 3 that opens, improve the degree of accuracy of welding, the use of the device is convenient, the mask body can also be fixedly spliced with the accessory connecting seat 9 on the outer side of the safety helmet 1 through the connecting plug block 10, the mask body and the safety helmet 1 are convenient to assemble and use, and the applicability of the device is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a protective face mask is used in welding, includes the face guard body, its characterized in that: the mask body comprises a fixing band (2), a eye-protecting cover (3) and a cover body (5), wherein a buckle (12) is fixed at one end of the fixing band (2), a clamping hole (13) is uniformly formed at the other end of the fixing band (2), 2 groups of connecting insertion blocks (10) are symmetrically arranged at the bottom of the fixing band (2), the cover body (5) is arranged below the fixing band (2), lugs are arranged at two ends of the top of the cover body (5), 2 lugs and the top of the cover body (5) form a U-shaped groove, a rubber pad (11) is fixed on the cover body (5) in the groove, 2 lugs extend to positions between the groups of connecting insertion blocks (10) right above the lugs and are fixedly connected with the fixing band (2), a control switch (8) is fixed on the cover body (5) at the positions of the lugs, an observation groove (22) is formed in the middle of the cover body (5), the interior of the observation groove (22) is rotationally connected with a eye shield (3), and the center of the eye shield (3) is fixed with a filter lens (4), the inner walls of the two ends of the observation groove (22) at the inner side of the eye shield (3) are respectively hinged with an electric push rod (21), the output end of the electric push rod (21) is hinged and fixed with the eye shield (3) below the filter lens (4), a charging cover plate (14) is hinged on the outer side wall of the cover body (5) above the observation groove (22), a charging port is fixed in the cover body (5) at the inner side of the charging cover plate (14), and a storage battery (20) is fixed in the cover body (5) below the charging port, all the cover is equipped with light filling lamp (7) on the lateral wall of the cover body (5) in charging apron (14) both ends, all is fixed with ventilative seat (6) on cover body (5) of light filling lamp (7) below, and is fixed with cushion (23) on the inside wall of the cover body (5).

2. A welding helmet according to claim 1 wherein: when the mask body is assembled with the safety helmet (1), the accessory connecting seat (9) arranged outside the safety helmet (1) can be fixedly connected with the 2 groups of connecting inserting blocks (10) in an inserting mode, after the mask body and the safety helmet (1) are assembled, the rubber pad (11) is tightly attached to the bottom of the brim of the safety helmet (1) mutually.

3. A welding helmet according to claim 2, wherein: the cross section of the rubber pad (11) is corrugated.

4. A welding helmet according to claim 1 wherein: the inside sliding connection of seat (6) ventilates has snap ring (18), and the inside of snap ring (18) is fixed with fan (15), fan (15) one end is equipped with dust screen (16) and active carbon otter board (17), and dust screen (16) and active carbon otter board (17) pass through fixture block (19) fixed connection, and dust screen (16) and active carbon otter board (17) pass through fixture block (19) joint in snap ring (18) one end.

5. A welding helmet according to claim 4, wherein: 2 the fans (15) are opposite in rotation direction, the sizes of the fans (15), the dust screens (16) and the activated carbon screen plates (17) are equal, and the activated carbon screen plates (17) are arranged between the fans (15) and the dust screens (16).

6. A welding helmet according to claim 5, wherein: light filling lamp (7), fan (15), charging port and electric putter (21) all are connected with battery (20) electricity, and 2 control switch (8) control 2 fan (15) and 2 electric putter (21) circular telegram outage respectively.

7. A welding helmet according to claim 1 wherein: the number of the clamping holes (13) is not less than 2, and the buckles (12) and the clamping holes (13) are mutually matched.