CN214512318U - Electric air supply protective mask - Google Patents

Abstract

The utility model provides an electronic air supply protective mask, it has solved the poor scheduling problem of protective mask dustproof effect, it includes the helmet, helmet the place ahead is connected with relative helmet pivoted protective mask from top to bottom, the inboard laminating of helmet is provided with the blast pipe, the blast pipe is rectangular flat hollow structure, blast pipe one end extends to the inboard the place ahead of helmet and is relative with protective mask, and the other end extends to helmet rear below and is provided with the pipeline joint subassembly, protective mask limit mouth distributes and has the aviation baffle, the aviation baffle setting is inboard at protective mask and relative with the person's of wearing face, be provided with the air chamber relative with the blast pipe port between aviation baffle and the protective mask. The utility model has the advantages of good dustproof effect, convenient wearing, etc.

Description

Electric air supply protective mask

Technical Field

The utility model belongs to the technical field of protective face mask, concretely relates to electronic air supply protective face mask.

Background

Protective masks are devices used to protect the face and neck from flying metal debris, harmful gases, liquid splashes, metal and high temperature solvent vapors. In industrial production, the face of a person is often damaged by high-speed particles, molten metal, chemical liquid splashes, harmful light and the like, and various protective masks are required to be adopted for protection. Mainly comprises a welding mask, an anti-impact mask, an anti-radiation mask, a smoke and gas prevention mask, a heat insulation mask and the like. Along with the science and technology development of society, the place that needs to use protective mask is more and more, but most single structure of current protective mask, the function singleness is comparatively inconvenient to wear. In addition, the dustproof effect of the commonly used mask is poor, and when a user performs welding operation, the used welding mask cannot fully block dust in the working environment, so that the welding operation is influenced.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a powered air-blowing dust helmet [201921132674.1], comprising: the helmet assembly comprises a helmet and a mask arranged on the helmet, and a buffer air chamber can be formed between the mask and the face of a helmet wearer; the helmet is provided with an air passage, the air passage can send the passing air flow into a buffer air chamber between the mask and the face of a helmet wearer, and positive pressure air flow is formed in the buffer air chamber; the purification air supply assembly is communicated with the air passage on the helmet.

Above-mentioned scheme has solved the inconvenient problem of face guard wearing to a certain extent, but this scheme still has a great deal of not enough, for example, dustproof effect scheduling problem relatively poor during welding operation.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, dustproof effectual electronic air supply protective face mask.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this electronic air supply protective mask, including the helmet, helmet the place ahead is connected with relative helmet upper and lower pivoted protective mask, the inboard laminating of helmet is provided with the blast pipe, the blast pipe is rectangular flat hollow structure, blast pipe one end extends to helmet inboard the place ahead and is relative with protective mask, and the other end extends to helmet rear portion below and is provided with the pipeline joint subassembly, protective mask rim mouth distributes and has the aviation baffle, the aviation baffle setting is inboard at protective mask and relative with the wearer's face, be provided with the air chamber relative with the blast pipe port between aviation baffle and the protective mask. Pipeline joint subassembly and corresponding gas transmission device intercommunication are inputed the blast pipe with the air and are spout towards the air chamber, and the aviation baffle plays certain sealing effect, keeps being the malleation between the aviation baffle and the inboard protective face mask, avoids the dust to get into the protective face mask, has better dustproof effect when welding operation.

In the above-mentioned electronic air supply protective mask, the pipeline joint subassembly includes the air inlet joint that sets up in blast pipe end department, and the port department cover of air inlet joint has the pipe fitting to connect, and the outside cover has fixed cover between air inlet joint and the pipe fitting joint, is provided with positioning mechanism between fixed cover and air inlet joint and the pipe fitting joint. The pipeline joint assembly can select different air delivery devices such as an air pump or a fan and the like according to actual needs, so that the applicability of the protective mask is improved.

In foretell electronic air supply protective mask, positioning mechanism connects the strip including setting up in the air inlet joint outside and revolving relative its central axis symmetry, and fixed cover distributes with the inboard one end relative with the air inlet joint and connects the rotatory chucking of strip soon and connect the piece soon, and fixed cover is provided with the limiting plate that compresses tightly with the spacing face laminating in the pipe fitting joint outside with the pipe fitting joint one side relative. The positioning mechanism facilitates quick connection of all parts in the pipeline joint assembly and improves the sealing stability of the connection part.

In foretell electronic air supply protective mask, helmet both sides below sets up the tight fixed rotation seat of clamp with the helmet inside and outside, it is fixed with the rotor plate to rotate the seat outside, be provided with between rotor plate and the rotation seat outside and supply the socket from top to bottom male inserting groove, it has the spacing groove with the spacing protruding joint in the socket outside to open on the rotor plate, the socket upper end is worn and is rotated the bolt and with the screw thread seat that rotates bolted connection, it rotates with the linkage plate of fixing in protective mask upper end both sides to rotate the bolt and links to each other, the linkage plate has the swash plate with rotating bolted connection and with protective mask threaded connection's diaphragm. The protective mask can swing up and down relative to the helmet, and is suitable for quick opening and closing of the protective mask during welding work.

In the above electric blowing protective mask, the protective mask comprises a mask main body opposite to the face of the wearer, and the mask main body is provided with a goggle component which is opposite to the eyes of the wearer and protrudes towards the front. The mask main body is combined with the goggles component, and the mask main body can fully protect the face of a wearer.

In foretell electronic air supply protective face mask, it has the viewing aperture relative with the goggles subassembly to open in the face guard main part, and the goggles subassembly is including setting up the goggles base in the viewing aperture outside, and the mounting groove that has with the viewing aperture joint is opened in the goggles base and face guard main part handing-over department outside, and goggles base top is provided with the picture frame seat, and picture frame seat front end rotates to be connected with goggles base confined picture frame, is provided with an at least lens between goggles base and the picture frame. A plurality of lenses can be arranged between the goggles base and the goggles frame, so that different light filtering effects can be obtained, and the openable structure facilitates installation and adjustment of the lenses.

In the electric air supply protective mask, the corner of the mirror frame is outwards provided with a convex angle. When the picture frame needs to be opened, the convex angle is convenient for turning the picture frame upwards.

In foretell electronic air supply protective face mask, the aviation baffle has the mounting bar with protective face mask limit mouth handing-over, and the mounting bar is opened with protective face mask relative one side has rather than the fixed slot of joint, and the mounting bar outside sets up a plurality of fixing bases and the fixing base is opened respectively on the protective face mask has relative fixed orifices. The aviation baffle and the facial laminating of human reduce the peripheral pressure release of protective face mask, keep the air chamber air-out upwards, avoid the dust from the top to fall into the protective face mask inboard.

In the electric air supply protective mask, the brim which is bent outwards is arranged at the edge below the helmet, and the two sides of the helmet are provided with the strip-shaped opening and the through hole which are used for installing the chin strap. When the helmet is worn, the chin strap penetrates through the strip-shaped opening and the through hole to prevent the chin strap from falling off.

In the above-mentioned electric blowing protective mask, the upper end of the protective mask is provided with an inward-turned flat plate portion. The protective mask has a certain radian, the periphery of the protective mask is surrounded by the flat plate part and the air guide plate, and the protective mask has a good protective effect on the human face.

Compared with the prior art, the utility model has the advantages of: the air supply pipe supplies air towards the air chamber between the protective mask and the air deflector, positive pressure is formed inside the air supply pipe, and dust is effectively prevented from invading the inner side of the protective mask; the pipeline joint assembly can be matched with a proper gas transmission device according to actual needs, so that the applicability of the protective mask is improved; the goggles assembly on the protective mask has a good protective effect on eyes.

Drawings

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

fig. 2 is a schematic structural view of another viewing angle of the present invention;

fig. 3 is an assembly view of the rotary base of the present invention;

FIG. 4 is an assembly view of the air delivery tube of the present invention;

in the figure, a helmet 1, a brim 11, a strip-shaped opening 12, a through hole 13, a protective face mask 2, a mask main body 21, a viewing port 22, a flat plate part 23, an air supply pipe 3, a pipeline joint component 4, an air inlet joint 41, a pipe fitting joint 42, a fixing sleeve 43, an air deflector 5, a mounting strip 51, a fixing groove 52, a fixing seat 53, a fixing hole 54, an air chamber 6, a positioning mechanism 7, a screwing strip 71, a screwing block 72, a limiting surface 73, a limiting plate 74, a rotating seat 8, a rotating plate 81, a socket 82, a plugging groove 83, a limiting bulge 84, a limiting groove 85, a rotating bolt 86, a threaded seat 87, a linkage plate 88, a goggle component 9, a goggle base 91, a mounting groove 92, a goggle frame seat 93, a goggle frame 94 and a convex angle 95.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the electric air supply protective mask comprises a helmet 1, a protective mask 2 which can rotate up and down relative to the helmet 1 is connected to the front of the helmet 1, an air supply pipe 3 is attached to the inner side of the helmet 1, the air supply pipe 3 is of a long flat hollow structure, one end of the air supply pipe 3 extends to the front of the inner side of the helmet 1 and is opposite to the protective mask 2, the other end of the air supply pipe extends to the lower portion of the rear of the helmet 1 and is provided with a pipeline joint component 4, air deflectors 5 are distributed at the side opening of the protective mask 2, the air deflectors 5 are arranged on the inner side of the protective mask 2 and are opposite to the face of a wearer, and an air chamber 6 which is opposite to the end opening of the air supply pipe 3 is arranged between the air deflectors 5 and the protective mask 2. When wearing, protective face mask 2 covers human face, and inboard aviation baffle 5 is made by flexible material and with human face laminating, and blast pipe 3 is bloied towards air chamber 6, and the air is derived from 2 inboard tops of protective face mask, avoids the dust piece by last protective face mask 2 inside.

Specifically, the pipeline joint assembly 4 includes an air inlet joint 41 disposed at the end of the air supply pipe 3, a pipe fitting joint 42 is sleeved at the port of the air inlet joint 41, a fixing sleeve 43 is sleeved outside between the air inlet joint 41 and the pipe fitting joint 42, and a positioning mechanism 7 is disposed between the fixing sleeve 43 and the air inlet joint 41 and the pipe fitting joint 42. During installation, the pipe fitting joint 42 is connected with an air pipe or a fan, the air inlet joint 41 and the pipe fitting joint 42 are fixedly inserted, and then the fixing sleeve 43 sleeved outside the pipe fitting joint 42 is connected with the air inlet joint 41.

Deeply, the positioning mechanism 7 comprises a rotary joint bar 71 which is arranged at the outer side of the air inlet joint 41 and is symmetrical relative to the central axis thereof, a rotary joint block 72 which is rotationally clamped with the rotary joint bar 71 is distributed at the inner side of one end of the fixed sleeve 43 opposite to the air inlet joint 41, and a limit plate 74 which is attached and pressed with a limit surface 73 at the outer side of the pipe joint 42 is arranged at one side of the fixed sleeve 43 opposite to the pipe joint 42. The rotary joint strip 71 and the rotary joint block 72 are rotationally clamped by rotating the fixing sleeve 43, the limiting surface 73 and the limiting plate 74 have certain taper, and after the fixing sleeve 43 is rotationally clamped with the air inlet joint 41, the limiting plate 74 plays a role in preventing the pipe fitting joint 42 from falling off.

Furthermore, a rotating seat 8 for clamping and fixing the inner side and the outer side of the helmet 1 is arranged below the two sides of the helmet 1, a rotating plate 81 is fixed on the outer side of the rotating seat 8, an inserting groove 83 for inserting the socket 82 from top to bottom is arranged between the rotating plate 81 and the outer side of the rotating seat 8, a limiting groove 85 clamped with a limiting bulge 84 on the outer side of the socket 82 is formed in the rotating plate 81, a rotating bolt 86 and a threaded seat 87 connected with the rotating bolt 86 penetrate through the upper end of the socket 82, the rotating bolt 86 is rotationally connected with a linkage plate 88 fixed on the two sides of the upper end of the protective mask 2, and the linkage plate 88 is provided with an inclined plate connected with the rotating bolt and a transverse plate in threaded connection with the protective mask 2. The helmet 1 is clamped and fixed with the rotating seat 8, the linkage plate 88 rotates circumferentially relative to the rotating bolt 86, and the linkage plate 88 is fixed between the threaded seat 87 and the socket 82.

Further, the face shield 2 includes a mask body 21 opposed to the face of the wearer, and the mask body 21 is provided with a goggle assembly 9 opposed to the eyes of the wearer and projecting toward the front. The mask main body 21 and the goggles assembly 9 can be detached and separated from each other, corresponding fireproof layers are attached to the inner side and the outer side of the mask main body 21, and the goggles assembly 9 is suitable for welding work.

In addition, it has the viewing aperture 22 relative with goggles subassembly 9 to open on face guard main part 21, goggles subassembly 9 is including setting up the goggles base 91 in the viewing aperture 22 outside, the mounting groove 92 that has with viewing aperture 22 joint is opened in the goggles base 91 and face guard main part 21 handing-over department outside, goggles base 91 top is provided with frame seat 93, frame seat 93 front end rotates and is connected with frame 94 with goggles base 91 confined, be provided with an at least lens between goggles base 91 and the frame 94. Goggles base 91 and viewing aperture 22 lug connection, the inboard distributes and has the framework that is used for installing the lens, with open closed picture frame 94 combination back, but the inside lens of quick replacement plays better guard action to the eye.

Meanwhile, the corner of the frame 94 is provided with a convex corner 95 facing outward. The frame 94 may be flipped up by snapping the lobe 95.

As can be seen, the air deflector 5 has a mounting bar 51 connected with the edge of the face shield 2, a fixing groove 52 fastened to the mounting bar 51 is formed on one side of the mounting bar 51 opposite to the face shield 2, a plurality of fixing seats 53 are arranged on the outer side of the mounting bar 51, and the fixing seats 53 and the face shield 2 are respectively provided with opposite fixing holes 54.

Obviously, the lower edge of the helmet 1 is provided with a brim 11 which is bent outwards, and the two sides of the helmet 1 are provided with a strip-shaped opening 12 and a through hole 13 for installing a mandibular belt. The strip-shaped openings 12 and the through holes 13 on both sides of the helmet 1 are used for the belt or the rope to pass through,

preferably, the upper end of the face shield 2 has an inwardly turned flat plate portion 23. The flat plate portion 23 is provided with a plurality of connecting holes.

In summary, the principle of the present embodiment is: protective face mask 2 covers human face, and inboard aviation baffle 5 is made by flexible material and with human face laminating, and blast pipe 3 is bloied towards air chamber 6, and the air is derived from 2 inboard tops of protective face mask, avoids the dust piece by last protective face mask 2 inside of falling into.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the helmet 1, the brim 11, the strip-shaped opening 12, the through hole 13, the face shield 2, the face shield main body 21, the observation opening 22, the flat plate portion 23, the air supply pipe 3, the pipeline joint component 4, the air inlet joint 41, the pipe joint 42, the fixing sleeve 43, the air deflector 5, the mounting strip 51, the fixing groove 52, the fixing seat 53, the fixing hole 54, the air chamber 6, the positioning mechanism 7, the screwing strip 71, the screwing block 72, the limiting surface 73, the limiting plate 74, the rotating seat 8, the rotating plate 81, the socket 82, the inserting groove 83, the limiting protrusion 84, the limiting groove 85, the rotating bolt 86, the threaded seat 87, the linkage plate 88, the goggle component 9, the goggle base 91, the mounting groove 92, the goggle seat 93, the goggle lobe 94, 95 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. An electric air supply protective mask comprises a helmet (1), a protective mask (2) which can rotate up and down relative to the helmet (1) is connected in front of the helmet (1), it is characterized in that the inner side of the helmet (1) is provided with an air supply pipe (3) in a fitting manner, the blast pipe (3) is of a long-strip flat hollow structure, one end of the blast pipe (3) extends to the front of the inner side of the helmet (1) and is opposite to the protective mask (2), the other end extends to the lower part of the rear part of the helmet (1) and is provided with a pipeline joint component (4), the edge opening of the protective face mask (2) is distributed with an air deflector (5), the air deflector (5) is arranged at the inner side of the protective face mask (2) and is opposite to the face of a wearer, an air chamber (6) opposite to the port of the air supply pipe (3) is arranged between the air deflector (5) and the protective mask (2).

2. The electric air supply protective mask according to claim 1, wherein the pipeline joint assembly (4) comprises an air inlet joint (41) arranged at the end of the air supply pipe (3), a pipe fitting joint (42) is sleeved at the port of the air inlet joint (41), a fixing sleeve (43) is sleeved outside between the air inlet joint (41) and the pipe fitting joint (42), and a positioning mechanism (7) is arranged between the fixing sleeve (43) and the air inlet joint (41) and the pipe fitting joint (42).

3. The electric air supply protective mask according to claim 2, wherein the positioning mechanism (7) comprises a rotary connecting bar (71) which is arranged at the outer side of the air inlet joint (41) and is symmetrical relative to the central axis thereof, a rotary connecting block (72) which is rotationally clamped with the rotary connecting bar (71) is distributed at the inner side of one end of the fixing sleeve (43) opposite to the air inlet joint (41), and a limit plate (74) which is attached and pressed with a limit surface (73) at the outer side of the pipe joint (42) is arranged at one side of the fixing sleeve (43) opposite to the pipe joint (42).

4. The electric blowing protective mask according to claim 1, characterized in that the lower part of the two sides of the helmet (1) is provided with a rotary seat (8) for clamping and fixing the inner side and the outer side of the helmet (1), a rotating plate (81) is fixed on the outer side of the rotating seat (8), a plug-in groove (83) for inserting the socket (82) from top to bottom is arranged between the rotating plate (81) and the outer side of the rotating seat (8), a limit groove (85) clamped with a limit bulge (84) at the outer side of the socket (82) is arranged on the rotating plate (81), the upper end of the socket (82) is penetrated with a rotary bolt (86) and a thread seat (87) connected with the rotary bolt (86), the rotating bolt (86) is rotationally connected with linkage plates (88) fixed at the two sides of the upper end of the protective mask (2), the linkage plate (88) is provided with an inclined plate connected with a rotary bolt and a transverse plate in threaded connection with the protective mask (2).

5. An electric blowing protective mask according to claim 4, characterised in that the protective mask (2) comprises a mask body (21) opposite the face of the wearer, the mask body (21) being provided with a visor assembly (9) projecting towards the front opposite the eyes of the wearer.

6. The electric air supply protective mask according to claim 5, wherein the mask body (21) is provided with a viewing port (22) opposite to the protective mask assembly (9), the protective mask assembly (9) comprises a protective mask base (91) arranged on the outer side of the viewing port (22), the outer side of the joint of the protective mask base (91) and the mask body (21) is provided with a mounting groove (92) clamped with the viewing port (22), a frame seat (93) is arranged above the protective mask base (91), the front end of the frame seat (93) is rotatably connected with a frame (94) for sealing the protective mask base (91), and at least one lens is arranged between the protective mask base (91) and the frame (94).

7. The electric blowing protective mask according to claim 6, characterized in that the corners of the frame (94) are provided with outward convex corners (95).

8. The electric air supply protective mask according to claim 1, wherein the air deflector (5) is provided with a mounting bar (51) connected with the side opening of the protective mask (2), a fixing groove (52) clamped with the mounting bar (51) is formed in one side of the mounting bar (51) opposite to the protective mask (2), a plurality of fixing seats (53) are arranged on the outer side of the mounting bar (51), and the fixing seats (53) and the protective mask (2) are respectively provided with opposite fixing holes (54).

9. The electric blowing protective mask according to claim 1, characterized in that the brim (11) bending outwards is arranged at the lower edge of the helmet (1), and the two sides of the helmet (1) are provided with a strip-shaped opening (12) and a through hole (13) for installing a chin strap.

10. The electric air supply protective mask according to claim 1, characterized in that the upper end of the protective mask (2) is provided with a flat plate part (23) which is turned inwards.

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