Electric welding mask

Abstract

The electric welding mask comprises a mask body, a filter box is fixedly connected to the top of the mask body, clamping bases are fixedly connected to the upper end and the lower end of an inner cavity of the filter box, HEPA filter screens are connected to the inner surfaces of the clamping bases in a clamped mode, and a suction fan is fixedly connected to the right side of the filter box. The input end of the suction fan communicates with the front end of the right side of the filter box through a pipeline, an air outlet groove is formed in the lower end of an inner cavity of the cover body, the back face of the air outlet groove communicates with the output end of the suction fan through a pipeline, and a plurality of first air outlet holes distributed at equal intervals are formed in the inner surface of the cover body and located on the left side of the air outlet groove. A plurality of second air outlet holes distributed at equal intervals are formed in the inner surface of the cover body and located on the right side of the air outlet groove. Through the filter box, the clamping base, the HEPA filter screen, the suction fan, the second air outlet hole, the air outlet groove and the first air outlet hole, the purpose of preventing electric welding smoke from being sucked can be achieved.

Description

Technical Field

[0001] This utility model relates to the field of electric welding technology, specifically to an electric welding mask. Background Technology

[0002] Electric welding refers to a welding method that uses electrical energy to achieve atomic bonding of workpieces through heating or pressurization, or both, with or without filler material. The processing equipment used for electric welding is called an electric welding machine. A mask is required during the electric welding process, but existing masks only have a single function of protecting against light. Since people inhale welding fumes during the welding process, it endangers their health. Therefore, we propose an electric welding mask. Utility Model Content

[0003] The purpose of this invention is to provide a welding mask to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a welding mask, comprising a mask body, a filter box fixedly connected to the top of the mask body, a retainer fixedly connected to both the upper and lower ends of the filter box cavity, and a HEPA filter screen being snapped onto the inner surface of the retainer, a suction fan fixedly connected to the right side of the filter box, and the input end of the suction fan being connected to the front end of the right side of the filter box through a pipe, an air outlet groove being provided at the lower end of the mask body cavity, the back of the air outlet groove being connected to the output end of the suction fan through a pipe, a plurality of equidistant first air outlet holes being provided on the inner surface of the mask body on the left side of the air outlet groove, and a plurality of equidistant second air outlet holes being provided on the inner surface of the mask body on the right side of the air outlet groove.

[0005] Preferably, a first elastic band is fixedly connected to the top of the left side of the cover, and a second elastic band is fixedly connected to both the front and rear ends of the left side of the cover, with the end of the second elastic band being fixedly connected to the end of the first elastic band.

[0006] Preferably, an air inlet is provided at the rear end of the left side of the filter box, and a battery box is fixedly connected to the top of the filter box.

[0007] Preferably, a charging port is provided on the left side of the battery box, and a storage battery is fixedly connected to the bottom of the inner cavity of the battery box.

[0008] Preferably, the left end of the front of the filter box is movably connected to a door via a hinge, and a handle is fixedly connected to the outside of the door.

[0009] Preferably, a first protective mirror is fixedly connected to the inner surface of the cover and above the air outlet slot, and a clamping plate is fixedly connected to the right side of the cover and above the first protective mirror.

[0010] Preferably, the inner surface of the clamping plate is movably connected with a cover plate, and the inner surface of the cover plate is fixedly connected with a second protective mirror.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1、 the utility model discloses a filter box, clamping seat, HEPA filter screen, air suction fan, second air outlet, air outlet groove and first air outlet can reach the purpose of avoiding inhaling electric welding fume.

[0013] 2、 the utility model discloses a cover body, first protective mirror, clamping plate, second protective mirror and cover plate can reach the purpose of double -layer light. DRAWINGS EXPLANATION

[0014] Figure 1 It is the three -dimensional structure schematic diagram of the first visual angle state of the utility model;

[0015] Figure 2 It is the three -dimensional structure schematic diagram of the second visual angle state of the utility model;

[0016] Figure 3 It is air outlet groove structure schematic diagram of the utility model;

[0017] Figure 4 It is the battery structure schematic diagram of the utility model.

[0018] In the drawing: cover body 1, second elastic band 2, handle 3, filter box 4, air inlet 5, first elastic band 6, first protective mirror 7, first air outlet 8, clamping plate 9, movable door 10, clamping seat 11, HEPA filter screen 12, battery box 13, air suction fan 14, second protective mirror 15, cover plate 16, second air outlet 17, air outlet groove 18, charging jack 19, battery 20. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0020] The cover body 1, the second elastic band 2, the handle 3, the filter box 4, the air inlet 5, the first elastic band 6, the first protective mirror 7, the first air outlet 8, the clamping plate 9, the movable door 10, the clamping seat 11, the HEPA filter screen 12, the battery box 13, the air suction fan 14, the second protective mirror 15, the cover plate 16, the second air outlet 17, the air outlet groove 18, the charging jack 19 and the storage battery 20 are all general standard parts or parts known to those skilled in the art, and their structures and principles can be known by technical personnel through technical manuals or through conventional experimental methods. Example one

[0021] Please refer to Figures 1-4 In order to avoid inhaling electric welding fume, the technical scheme is provided, and the specific disclosure is as follows: a cover body 1 is provided, the top of the cover body 1 is fixedly connected with a filter box 4, the upper and lower ends of the inner cavity of the filter box 4 are both fixedly connected with clamping seats 11, the inner surfaces of the clamping seats 11 are clamped with HEPA filter screens 12, the right side of the filter box 4 is fixedly connected with an air suction fan 14, the input end of the air suction fan 14 is communicated with the front end of the right side of the filter box 4 through a pipeline, the lower end of the inner cavity of the cover body 1 is provided with an air outlet groove 18, the back surface of the air outlet groove 18 is communicated with the output end of the air suction fan 14 through a pipeline, a plurality of equidistant first air outlets 8 are arranged on the inner surface of the cover body 1 and located on the left side of the air outlet groove 18, a plurality of equidistant second air outlets 17 are arranged on the inner surface of the cover body 1 and located on the right side of the air outlet groove 18, the rear end of the left side of the filter box 4 is provided with an air inlet 5, the top of the filter box 4 is fixedly connected with a battery box 13, the left side of the battery box 13 is provided with a charging jack 19, the bottom of the inner cavity of the battery box 13 is fixedly connected with a storage battery 20, the movable door 10 is hingedly connected to the left end of the front surface of the filter box 4, the outer side of the movable door 10 is fixedly connected with a handle 3, the air suction fan 14 is opened, the air outside can be sucked into the filter box 4 from the air inlet 5, and the clean air is transported into the air outlet groove 18 through a pipeline after being filtered by the HEPA filter screen 12, a small part of the clean air is blown to the mouth and nose of people from the first air outlet 8, so that people can breathe fresh air, and most of the clean air is blown out from the second air outlet 17, so that the electric welding fume generated by welding is blown away from the cover body 1. Example two

[0022] Please refer to Figures 1-3, the embodiment is provided with the following technical scheme to achieve the purpose of double-layer light protection, specifically discloses that the top of the left side of the cover body 1 is fixedly connected with the first elastic band 6, the front and rear ends of the left side of the cover body 1 are fixedly connected with the second elastic band 2, and the ends of the second elastic band 2 are fixedly connected with the ends of the first elastic band 6, the inner surface of the cover body 1 and above the air outlet groove 18 are fixedly connected with the first protective mirror 7, the right side of the cover body 1 and above the first protective mirror 7 are fixedly connected with the clamping plate 9, the inner surface of the clamping plate 9 is movably connected with the cover plate 16, and the inner surface of the cover plate 16 is fixedly connected with the second protective mirror 15, and people can lift or close the cover plate 16 according to the need, so that the purpose of multi-layer light protection can be achieved.

[0023] The working principle of the application is that the cover body 1 is sleeved on the head through the second elastic band 2 and the first elastic band 6, the air suction fan 14 is opened, the air outside can be sucked into the filter box 4 from the air inlet 5, and the clean air is conveyed into the air outlet groove 18 through the pipeline after being filtered by the HEPA filter screen 12, and a small part is blown to the mouth and nose of people from the first air outlet hole 8 to ensure that people breathe fresh air, and the other part is blown out from the second air outlet hole 17 to blow the welding fume generated by welding away from the cover body 1, and meanwhile, people can lift or close the cover plate 16 according to the need, so that the purpose of multi-layer light protection can be achieved.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric welding helmet comprising a helmet body (1), characterized in that: The top of the cover body (1) is fixedly connected with a filter box (4), the upper and lower ends of the inner cavity of the filter box (4) are fixedly connected with clamping seats (11), the inner surfaces of the clamping seats (11) are clamped with HEPA filter screens (12), the right side of the filter box (4) is fixedly connected with a suction fan (14), the input end of the suction fan (14) is communicated with the front end of the right side of the filter box (4) through a pipeline, the lower end of the inner cavity of the cover body (1) is provided with an air outlet groove (18), the back surface of the air outlet groove (18) is communicated with the output end of the suction fan (14) through a pipeline, a plurality of equidistant first air outlet holes (8) are arranged on the inner surface of the cover body (1) and located to the left of the air outlet groove (18), a plurality of equidistant second air outlet holes (17) are arranged on the inner surface of the cover body (1) and located to the right of the air outlet groove (18).

2. The welding helmet of claim 1, wherein: The top of the left side of the cover body (1) is fixedly connected with a first elastic band (6), the front and rear ends of the left side of the cover body (1) are fixedly connected with second elastic bands (2), and the ends of the second elastic bands (2) are fixedly connected with the ends of the first elastic band (6).

3. The welding helmet of claim 1, wherein: The rear end of the left side of the filter box (4) is provided with an air inlet (5), and the top of the filter box (4) is fixedly connected with a battery box (13).

4. An electric welding helmet according to claim 3, wherein: The left side of the battery box (13) is provided with a charging jack (19), and the bottom of the inner cavity of the battery box (13) is fixedly connected with a storage battery (20).

5. The welding helmet of claim 1, wherein: The left end of the front of the filter box (4) is hingedly connected with a movable door (10), and the outer side of the movable door (10) is fixedly connected with a handle (3).

6. The welding helmet of claim 1, wherein: The inner surface of the cover body (1) and located above the air outlet groove (18) is fixedly connected with a first protective mirror (7), and the right side of the cover body (1) and located above the first protective mirror (7) is fixedly connected with a clamping plate (9).

7. An electric welding helmet according to claim 6, wherein: The inner surface of the clamping plate (9) is movably connected with a cover plate (16), and the inner surface of the cover plate (16) is fixedly connected with a second protective mirror (15).

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