CN220424064U - Active positive pressure type smoke-toxicity-preventing welding mask - Google Patents
Active positive pressure type smoke-toxicity-preventing welding mask Download PDFInfo
- Publication number
- CN220424064U CN220424064U CN202320937279.0U CN202320937279U CN220424064U CN 220424064 U CN220424064 U CN 220424064U CN 202320937279 U CN202320937279 U CN 202320937279U CN 220424064 U CN220424064 U CN 220424064U
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- Prior art keywords
- filter
- fan
- mask
- mask body
- positive pressure
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims 1
- 230000001988 toxicity Effects 0.000 claims 1
- 231100000419 toxicity Toxicity 0.000 claims 1
- 230000007480 spreading Effects 0.000 abstract description 4
- 239000003053 toxin Substances 0.000 abstract description 4
- 231100000765 toxin Toxicity 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000000071 blow moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Abstract
The utility model relates to an active positive pressure type smoke-toxicity-preventing welding mask, which comprises a mask body, a handle and an air supply mechanism; the air supply mechanism is arranged on the inner side of the mask body and comprises a fan and a filter, the fan is arranged on the middle lower part of the mask body, an air inlet of the fan is communicated with the filter, and an air outlet of the fan supplies air to the mask body at positive pressure; the lower part of the outer side of the mask body is provided with a handle, a power supply system is arranged in the handle, a power switch is arranged on the handle, and the power switch controls the power supply system to supply power to the fan; the utility model has simple structure and convenient use, can prevent welding smoke toxin from spreading to the breathing area of an operator, and can meet the requirement that the operator breathes filtered clean air during operation in various scenes.
Description
Technical Field
The utility model relates to the field of welding mask equipment, in particular to an active positive pressure type smoke-toxicity-preventing welding mask.
Background
The electric welding is a common operation mode, strong light and high temperature and a large amount of smoke and dust toxic gas can be generated when welding work is carried out, and an operator usually uses a hand-held protective mask to protect eyes and faces when working, but the common protective mask can only prevent the operator from being damaged by strong light and high temperature burns, the smoke and dust toxic gas generated by the electric welding can still spread to the face of the operator, the breathing of the operator is influenced, and the smoke and dust generated by the electric welding can harm the respiratory system of the operator after long-term inhalation.
In order to overcome the above problems, an air-supply type electric welding helmet (CN 200820066745.8) is provided in the prior art, which mainly solves the problem that the existing helmet cannot protect electric welding smoke. The specific technical means adopted are as follows: an air passage is arranged in the handle, a quick connector is arranged at the lower port of the air passage, an air valve is arranged on the air passage, and a shunt cover positioned at the inner side of the mask is arranged at the upper port of the air passage. In use, the air passage is connected with a compressed air source through a hose. The prior art relies on a compressed air source when in use, and has higher requirements on use scenes. Many workplaces do not have such facilities as a source of compressed air, and are not convenient enough to operate, require hoses to be pulled during movement, and are also prone to damage from high temperatures.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an active positive pressure type smoke-toxicity-preventing welding mask which is convenient to use.
In order to solve the problems, the utility model adopts the following technical scheme:
the active positive pressure type smoke-toxicity-preventing welding mask comprises a mask body, a handle and an air supply mechanism, wherein the air supply mechanism is arranged on the inner side of the mask body and comprises a fan, a base, a protective cover and a filter, the base is arranged on the middle lower part of the inner side of the mask body, an arc-shaped cavity is formed between the base and the mask body, the fan is fixed on the base, the protective cover is arranged on the outer side of the fan, the filter is arranged on the inner side of the mask body, and a direct connecting channel is arranged between the filter and the base to communicate the arc-shaped cavity with the filter; the middle upper part of the mask body is provided with goggles, and the lower part of the outer side of the mask body is provided with a handle; the power supply system is arranged in the handle, the rear cover is arranged at the end part of the inner side of the handle, the power switch is arranged at the upper part of the inner side of the handle, and the power switch controls the power supply system to supply power to the fan.
As one implementation mode of the utility model, the filters are symmetrically arranged at the left end and the right end of the base, and a first direct-connection channel is arranged between the filter and the base.
As one implementation mode of the utility model, the mask body is provided with slide ways on two sides of the base, and the filter is arranged on the slide ways.
As one implementation mode of the utility model, the filter is arranged at the top of the inner side of the mask body, an interlayer is arranged at the inner side of the mask body, and a second channel communicating filter and a base are arranged in the interlayer.
As one embodiment of the present utility model, a removable filter element is provided in the filter.
As one embodiment of the present utility model, the fan is an ultra-thin dc silent fan.
As one embodiment of the present utility model, the power supply system is a low-temperature lithium battery that is detachably charged.
As one embodiment of the utility model, the mask body and the handle are integrally formed.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
the active positive pressure type smoke-toxicity-preventing welding mask provided by the utility model has the advantages that the structure is simple, the use is convenient, the mask can adapt to various working scenes, and filtered clean air can be provided without being limited by site conditions; when welding operation is performed, the air supply mechanism is started through the switch power supply, so that micro-positive pressure at the mouth and nose parts of an operator in the mask can be ensured, the electric welding smoke toxin is prevented from spreading to the mouth and nose parts of the operator, and the air supply mechanism does not need to be in direct contact with the mouth and nose, so that the electric welding smoke toxin welding device is convenient to operate, clean and sanitary in use; the filter element in the air supply mechanism can be detached and replaced, and corresponding filter materials can be replaced according to different choices of the using time or welding materials, so that a better filter effect is achieved. The filter is arranged on the inner side of the face mask, the sucked air is relatively clean, and the filter can be prevented from being damaged by electric welding sparks.
Drawings
Fig. 1 is a schematic diagram of the real frontal structure of the present utility model.
FIG. 2 is a schematic side view in partial cross-section of the present utility model.
Fig. 3 is a schematic view of a partially cut-away perspective view of an embodiment of the present utility model.
Fig. 4 is a schematic perspective view of another embodiment of the present utility model.
Fig. 5 is a schematic view of a mask body structure according to an embodiment of the present utility model.
Fig. 6 is a schematic view of a mask body structure according to another embodiment of the present utility model.
FIG. 7 is a schematic view of a first channel structure according to an embodiment of the present utility model.
Fig. 8 is a schematic structural diagram of a second channel according to another embodiment of the present utility model.
Fig. 9 is a schematic view of a filter structure according to another embodiment of the present utility model.
Wherein: 1. a mask body; 2. a handle; 3. an air supply mechanism; 1-1, a slideway; 1-2, a second channel; 1-3, an interlayer; 2-1, a power supply system; 2-2, a rear cover; 2-3, a power switch; 3-1, a fan; 3-2, a base; 3-3, a filter; 3-4, arc cavity; 3-5, a filter element; 3-6, channel one; 3-7, a protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be clearly and completely described in connection with the following specific embodiments.
The embodiment 1, as shown in fig. 1, 2, 3 and 7, the utility model provides an active positive pressure type smoke-toxicity preventing welding mask, which comprises a mask body 1, a handle 2 and an air filtering mechanism 3, wherein the air supplying mechanism 3 is arranged on the inner side of the mask body 1 and comprises a fan 3-1, a base 3-2, a protective cover 3-7 and a filter 3-3, the base 3-2 is arranged on the middle lower part of the inner side of the mask body 1 and corresponds to the position of the nose and the mouth of an operator, an arc-shaped cavity 3-4 is formed between the base 3-2 and the mask body 1, the fan 3-1 is fixed on the base 3-2, the protective cover 3-7 is arranged on the outer side of the fan 3-1 and is used for preventing foreign matters from entering into fan blades, the filter 3-3 is symmetrically arranged at the left end and the right end of the base 3-2, a direct connecting channel I3-6 is arranged between the filter 3-3 and the base 3-2, the direct connecting channel 3-6 is used for communicating the arc-shaped cavity 3-4 with the filter 3-3, the direct connecting structure is compact, the direct connecting channel is small in resistance and is convenient for air flowing, and sufficient and stable ventilation energy can be ensured; the lower part of the outer side of the mask body 1 is provided with a handle 2; the handle 2 is internally provided with a power supply system 2-1, the end part of the inner side is provided with a rear cover 2-2, the upper part of the inner side is provided with a power switch 2-3, the power switch 2-3 controls the power supply system 2-1 to supply power to the fan 3-1, the power switch 2-3 is turned on to start the fan 3-1, negative pressure is formed in the arc cavity 3-4, air is fed into the arc cavity 3-4 through the filter 3-3 and is blown out through the fan 3-1, micro-positive pressure is formed at an air outlet, so that the polluted smoke and toxin is prevented from spreading to the position, and an operator can breathe the filtered clean air.
In embodiment 2, as shown in fig. 1, 2, 4, 8 and 9, the utility model provides an active positive pressure type smoke-toxicity preventing welding mask, which comprises a mask body 1, a handle 2 and an air filtering mechanism 3, wherein the air supplying mechanism 3 is arranged on the inner side of the mask body 1 and comprises a fan 3-1, a base 3-2, a protective cover 3-7 and a filter 3-3, the base 3-2 is arranged on the middle lower part of the inner side of the mask body 1 and corresponds to the mouth and nose position of an operator, an arc-shaped cavity 3-4 is formed between the base 3-2 and the mask body 1, the fan 3-1 is fixed on the base 3-2, the protective cover 3-7 is arranged on the outer side of the fan 3-1, foreign matters are prevented from entering into fan blades, and meanwhile, the face of the operator is protected from being contacted with the fan blades, and the welding mask is safe to use. The filter 3-3 is arranged at the top of the inner side of the mask body 1, the interlayer 1-3 is arranged at the inner side of the mask body 1, the channel II 1-2 is arranged in the interlayer 1-3 to communicate the filter 3-3 with the base 3-2, the ventilation area of the interlayer type air inlet channel is small in resistance, a large amount of air can be contained in the interlayer to serve as an air supply source, the ventilation resistance is small in urine and air flow, and the sufficient and stable air supply amount can be ensured. The lower part of the outer side of the mask body 1 is provided with a handle 2; the power supply system 2-1 is arranged in the handle 2, the rear cover 2-2 is arranged at the end part of the inner side, the power switch 2-3 is used for controlling the power supply system 2-1 to supply power to the fan 3-1, the power switch 2-3 is turned on to start the fan 3-1, negative pressure is formed in the arc cavity 3-4, air enters the arc cavity 3-4 through the filter 3-3, and then is blown out through the fan 3-1, micro positive pressure is formed at the air outlet, and the spreading of polluted smoke and poison to the place is prevented.
As shown in fig. 5 and 6, the mask body 1 is provided with the slide way 1-1, the filter 3-3 and the base 3-2 are arranged on the slide way 1-1, the mask body 1, the slide way 1-1 and the handle 2 can be integrally formed by adopting a blow molding process, and the blow molding mask has high strength, good heat resistance, strong gas barrier property and low internal stress, so that the mask finished product is firm, durable and not easy to damage.
As shown in fig. 7 and 9, a detachable filter element 3-5 is arranged in the filter 3-3, and the corresponding filter element can be replaced selectively according to the using time of the filter element 3-5 or the welding materials used in welding so as to obtain better filtering effect.
As shown in fig. 2, the power supply system 2-1 is a low-temperature lithium battery which can be detachably charged, the power supply time of the lithium battery is long, the service life of the lithium battery is long, the number of times of repeated charging and discharging is large, the battery capacity and the energy density of the same volume are large, the weight is light, the light burden is small when the lithium battery is used, and the 18650 lithium battery is preferred.
As shown in fig. 1 to 4, the space in the mask is limited, so that the fan 3-1 is an ultra-thin direct current silent fan to protect the face of the operator, the volume of the air supply mechanism can be reduced to the greatest extent, the noise of the fan during air supply is low, the operation of the operator is not disturbed, and the utility model prefers the PINDAI ultra-thin series.
Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the technical solutions according to the embodiments of the present utility model.
Claims (8)
1. An initiative malleation formula smoke toxicity prevention welding face guard which characterized in that: the novel mask comprises a mask body (1), a handle (2) and an air supply mechanism (3), wherein the air supply mechanism (3) is arranged on the inner side of the mask body (1) and comprises a fan (3-1), a base (3-2), a protective cover (3-7) and a filter (3-3), the base (3-2) is arranged on the middle lower portion of the inner side of the mask body (1), the fan (3-1) is fixed on the base (3-2), the protective cover (3-7) is arranged on the outer side of the fan (3-1), an arc-shaped cavity (3-4) is formed between the air supply mechanism (3) and the mask body (1), the filter (3-3) is arranged on the inner side of the mask body (1), a direct connection channel is arranged between the filter (3-3) and the base (3-2), and the arc-shaped cavity (3-4) is communicated with the filter (3-3).
The novel electric fan is characterized in that a power supply system (2-1) is arranged inside the handle (2), a rear cover (2-2) is arranged at the inner side end part of the handle (2), a power switch (2-3) is arranged at the inner upper part of the handle (2), and the power switch (2-3) controls the power supply system (2-1) to supply power to the fan (3-1).
2. The active positive pressure smoke mask of claim 1, wherein: the filter (3-3) is symmetrically arranged at the left end and the right end of the base (3-2), and a direct-connection channel I (3-6) is arranged between the filter (3-3) and the base (3-2).
3. The active positive pressure smoke mask of claim 2, wherein: the mask body (1) is provided with slide ways (1-1) on two sides of the base (3-2), and the filter (3-3) is arranged on the slide ways (1-1).
4. The active positive pressure smoke mask of claim 1, wherein: the filter (3-3) is arranged at the top of the inner side of the mask body (1), an interlayer (1-3) is arranged on the inner side of the mask body (1), and a second channel (1-2) is arranged in the interlayer (1-3) and is communicated with the filter (3-3) and the base (3-2).
5. The active positive pressure smoke mask of claim 1, wherein: a detachable filter element (3-5) is arranged in the filter (3-3).
6. The active positive pressure smoke mask of claim 1, wherein: the fan (3-1) is a direct current mute fan.
7. The active positive pressure smoke mask of claim 1, wherein: the power supply system (2-1) is a lithium battery which can be detachably charged.
8. The active positive pressure smoke mask of claim 1, wherein: the mask body (1) and the handle (2) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320937279.0U CN220424064U (en) | 2023-04-24 | 2023-04-24 | Active positive pressure type smoke-toxicity-preventing welding mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320937279.0U CN220424064U (en) | 2023-04-24 | 2023-04-24 | Active positive pressure type smoke-toxicity-preventing welding mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220424064U true CN220424064U (en) | 2024-02-02 |
Family
ID=89696395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320937279.0U Active CN220424064U (en) | 2023-04-24 | 2023-04-24 | Active positive pressure type smoke-toxicity-preventing welding mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220424064U (en) |
-
2023
- 2023-04-24 CN CN202320937279.0U patent/CN220424064U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |