CN112294533A - Portable manual electric arc welding gas defense dustproof welding mask - Google Patents

Portable manual electric arc welding gas defense dustproof welding mask Download PDF

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Publication number
CN112294533A
CN112294533A CN202011226380.2A CN202011226380A CN112294533A CN 112294533 A CN112294533 A CN 112294533A CN 202011226380 A CN202011226380 A CN 202011226380A CN 112294533 A CN112294533 A CN 112294533A
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CN
China
Prior art keywords
wall
arc welding
welding
dust
portable manual
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CN202011226380.2A
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Chinese (zh)
Inventor
贾卫东
汤丹丹
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Jiangsu Meixin Optoelectronics Technology Co Ltd
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Jiangsu Meixin Optoelectronics Technology Co Ltd
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Priority to CN202011226380.2A priority Critical patent/CN112294533A/en
Publication of CN112294533A publication Critical patent/CN112294533A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06Masks, shields or hoods for welders
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06Masks, shields or hoods for welders
    • A61F9/068Masks, shields or hoods for welders with supply or suction of gas, air or smoke inside or outside the welding hood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of methods or devices for separating particles from gases or vapours

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The invention discloses a portable manual electric arc welding gas defense and dust prevention welding mask, and relates to the technical field of welding masks; in order to solve the safety problem of the welding mask; specifically including the face guard body, there is the roating seat top both sides outer wall of face guard body through threaded connection respectively, and the both sides outer wall of two roating seats all is connected with magnetism through the installation nut and inhales the piece, two magnetism inhale the relative one side outer wall of piece and all adsorb same helmet, face guard body front outer wall is opened there is the observation hole, and the both sides outer wall that the face guard body is close to the observation hole all is fixed with same arc mounting panel through two cap nails, the front outer wall of arc mounting panel is opened there is the draw-in groove, the inner wall joint all around of draw-in groove has same goggles, the face guard body is close to the positive both sides. The invention can effectively filter dust and sterilize the inhaled gas through the dustproof sterilization mechanism, so that the air inhaled by a user does not contain toxic dust.

Description

Portable manual electric arc welding gas defense dustproof welding mask
Technical Field
The invention relates to the technical field of welding masks, in particular to a portable manual electric arc welding gas-proof and dust-proof welding mask.
Background
The welding mask is a tool for protecting the safety of workers in welding and cutting operations. Is a high-tech product integrating the disciplines of optics, electronics, anthropology, materials science and the like. Adopt high-quality LCD and coated glass combination to be the shading lens, the photoinduction system on the lens can detect the production and disappearance of arc light when electric welding in the twinkling of an eye, drives liquid crystal shading discolour etc. in order to reach safe effectual filtration harmful light rapidly to the injury of arc light radiation is avoided to protection welder's eye, face.
Through search, a Chinese patent with the application number of CN201520397374.1 discloses a mouth-held welding mask, which belongs to the field of welding tools. The utility model discloses a mouth holds formula welding face guard, hold the portion including welding face guard body and mouth, hold the observation window below that the position is located the welding face guard body in the mouth. The utility model discloses can fully solve both hands when carrying out welding jobs, both guarantee welded precision, also improve welding jobs personnel's work efficiency. One of the above-mentioned patents suffers from the following disadvantages:
although the whole device has the most basic functions of the welding mask, toxic dust is generated in the air due to the burning of materials in the arc welding process, and once a user inhales the dust for a long time, the user can suffer from diseases, so that the portable manual arc welding gas-proof and dust-proof welding mask is in urgent need.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a portable gas-proof and dust-proof welding mask for manual electric arc welding.
In order to achieve the purpose, the invention adopts the following technical scheme:
a portable manual electric arc welding gas defense and dust prevention welding mask comprises a mask body, wherein two outer side walls of the top of the mask body are respectively connected with rotary seats through screw threads, the two outer side walls of the two rotary seats are respectively connected with magnetic suction blocks through mounting screw caps, the outer wall of one side, opposite to the two magnetic suction blocks, is adsorbed with the same helmet, the outer wall of the front side of the mask body is provided with an observation hole, the outer walls of the two sides, close to the observation hole, of the mask body are respectively fixed with the same arc-shaped mounting plate through two round cap nails, the outer wall of the front side of the arc-shaped mounting plate is provided with a clamping groove, the peripheral inner walls of the clamping grooves are clamped with the same goggles, the outer walls of the two sides, close to the lower part of the goggles, of the front side of the, the outer walls of the inner walls of the two sides of the bottom of the helmet are respectively fixed with a neck strap through bolts, and the two neck straps are oppositely provided with the same buckle.
Preferably: every dustproof disinfection mechanism includes two gasbags, filtration disinfection chamber, two gas pockets, adsorption pad and sealed piece, and sealed piece bonds in the inner wall all around of air inlet through sealed glue.
Further: the adsorption pad is clamped in the central inner wall of the sealing block, the two air holes are respectively obliquely formed in the top and the bottom of the adsorption pad, and the filtering and disinfecting cavity is arranged in the center of the interior of each dustproof filter.
On the basis of the scheme: the filtering and disinfecting cavity is filled with filtering balls, and the two air bags are connected to one side of the filtering and disinfecting cavity through guide membranes respectively.
The better scheme in the scheme is as follows: the inner walls of the two air bags are bonded with activated carbon sheets, and the outer wall of the back of each dustproof filter is provided with a guide hole.
As a further scheme of the invention: the outer wall of one side of the helmet close to the two rotary seats is fixed with a fixing buckle through screws, and the outer wall of one side of the back of the helmet is fixed with a radiator through bolts.
Meanwhile, the outer wall of the helmet close to one side of the radiator is fixed with a timer through a round cap nail, and the outer wall of the helmet close to one side of the timer is fixed with a temperature sensor through a bolt.
As a preferable aspect of the present invention: the inner wall of the back of the mask body is bonded with a rubber sheet, a cavity is reserved in the rubber sheet, sponge strips are bonded on two sides of the rubber sheet, and each sponge strip is communicated with the cavity of the rubber sheet.
Meanwhile, the outer wall of one side of the rubber sheet is respectively provided with two connecting holes, the inner walls of the two connecting holes are both bonded with melt-blown cloth rings, and the outer wall of one side of the rubber sheet, which is close to the upper parts of the two melt-blown cloth rings, is bonded with a supporting block.
The invention has the beneficial effects that:
1. this dustproof welding mask of portable manual electric arc welding gas defense, the dustproof filter of face guard body openly bottom both sides can effectively strain dirt and disinfection with inspiratory gas through dustproof disinfection mechanism for do not contain poisonous dust in the user's inspiratory air, effectively protected user's health safety, improved user's electric arc welding's efficiency, overall structure is simple simultaneously, and the person of facilitating the use carries.
2. This a dustproof welding face guard of portable manual electric arc welding gas defense, when poisonous gaseous dust enters into sealed piece through the air inlet, tiny dust granule can be adsorbed by the adsorption pad, and gaseous then can enter into the filtration disinfection intracavity through two gas pockets, adsorb and purify gaseous by its inside a plurality of filter balls, gas rethread two gasbags after purifying are collected, filter gas once more by the active carbon thin slice on its inner wall, the filtration and the disinfection of poisonous gaseous dust have been improved greatly, the dynamics of gaseous harm has been reduced, the effect that the protection staff is healthy has been played, the air circumstance of electric arc welding has been optimized.
3. This dustproof welding helmet of portable manual electric arc welding gas defense, it is sealed through the median with both ears and face both sides through the fixed knot, and simultaneously, the accessible time-recorder is to the time timing of electric arc welding, make the worker can rationally arrange the operating time of electric arc welding, and the temperature accessible temperature sensor in the helmet monitors, when the temperature exceedes the setting value, the worker's accessible is opened the radiator and is kept the temperature in the helmet, and then avoided making the worker feel uncomfortable problem because of the interior high temperature of helmet, the safety of work has further been protected.
4. This dustproof welding helmet of portable manual electric arc welding gas defense, when the user is wearing the face guard body, the accessible supports the piece and fixes the bridge of the nose, fixes the cheek both sides through two sponge strips simultaneously, and breathes through two melt-blown cloth rings, from this, has improved the comfort level that the user wore greatly, has also protected the safety of user's oxygen uptake to a certain extent.
Drawings
FIG. 1 is a schematic front view of a portable gas-proof and dust-proof welding helmet for manual arc welding according to the present invention;
FIG. 2 is a schematic view of a back structure of a portable gas-proof and dust-proof welding helmet for manual arc welding according to the present invention;
FIG. 3 is a schematic view of a back structure of a mask body in the portable manual arc welding gas-proof and dust-proof mask according to the present invention;
FIG. 4 is a schematic view of a dust filter of a portable manual arc welding gas-proof and dust-proof mask according to the present invention, partially in cross-section.
In the figure: 1-air inlet, 2-dustproof filter, 3-guide cover, 4-mask body, 5-arc mounting plate, 6-rotary seat, 7-helmet, 8-goggles, 9-round cap nail, 10-fixing buckle, 11-temperature sensor, 12-timer, 13-neck belt, 14-buckle, 15-radiator, 16-magnetic block, 17-guide hole, 18-rubber sheet, 19-sponge strip, 20-melt-blown cloth ring, 21-resisting block, 22-air bag, 23-filtering disinfection cavity, 24-air hole, 25-adsorption pad and 26-sealing block.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A portable manual electric arc welding gas-defense dust-proof welding mask is shown in figures 1-4 and comprises a mask body 4, wherein two outer side walls of the top of the mask body 4 are respectively connected with rotary seats 6 through screw threads, the two outer side walls of the two rotary seats 6 are respectively connected with magnetic suction blocks 16 through mounting nuts, the outer wall of one side, opposite to the two magnetic suction blocks 16, is adsorbed with the same helmet 7, the outer wall of the front side of the mask body 4 is provided with an observation hole, the outer walls of the two sides, close to the observation hole, of the mask body 4 are respectively fixed with the same arc-shaped mounting plate 5 through two circular cap nails 9, the outer wall of the front side of the arc-shaped mounting plate 5 is provided with a clamping groove, the peripheral inner walls of the clamping groove are clamped with the same goggles 8, the outer walls of the two sides, close to the lower part of goggles 8, of the mask body 4 are respectively provided with dust-proof, the outer walls of the inner walls of the two sides of the bottom of the helmet 7 are respectively fixed with neckbands 13 through bolts, and the two neckbands 13 are both provided with the same buckle 14 oppositely; during the use, the user takes helmet 7 at the top of the head through neck area 13, and cover face guard body 4 in front of the face through rotating roating seat 6, at this moment, when the user carries out the arc welding, the goggles can effectively protect its eyes not receive the irradiation of direct projection arc light, and simultaneously, dustproof filter 2 of face guard body 4 positive bottom both sides can effectively strain dirt and disinfection with inspiratory gas through dustproof disinfection mechanism, make do not contain poisonous dust in the inspiratory air of user, user's health safety has effectively been protected, user's arc welding's efficiency has been improved, and the whole structure is simple simultaneously, and the convenience of customers carries.
In order to effectively disinfect and filter the inhaled toxic dust; as shown in fig. 4, each of the dust-proof sterilization mechanisms includes two air bags 22, a filtering sterilization chamber 23, two air holes 24, an adsorption pad 25 and a sealing block 26, the sealing block 26 is adhered to the peripheral inner wall of the air inlet 1 by a sealant, the adsorption pad 25 is clamped in the central inner wall of the sealing block 26, the two air holes 24 are respectively inclined at the top and the bottom of the adsorption pad 25, the filtering sterilization chamber 23 is arranged in the center of each dust-proof filter 2, the filtering sterilization chamber 23 is filled with filter balls, the two air bags 22 are respectively connected to one side of the filtering sterilization chamber 23 by a guide membrane, the inner walls of the two air bags 22 are adhered with activated carbon sheets, and the outer wall of the back of each dust-proof filter 2 is provided with a guide hole 17; when poisonous gas dust enters into sealed piece 26 through air inlet 1, tiny dust granule can be adsorbed by adsorption pad 25, and gas then can enter into filtration disinfection chamber 23 through two gas pockets 24, adsorb and purify gas by its inside a plurality of filter balls, gas rethread two gasbags 22 after purifying are collected, filter gas once more by the active carbon thin slice on its inner wall, the filtration and the disinfection of poisonous gas dust have been improved greatly, the dynamics of gaseous harm has been reduced, the healthy effect of protection staff has been played, the air circumstance of electric arc welding has been optimized.
In order to improve the safety factor of the whole mechanism; as shown in fig. 2, the outer wall of the helmet 7 on the side close to the two rotating seats 6 is fixed with a fixing buckle 10 through a screw, the outer wall of the helmet 7 on the back side is fixed with a radiator 15 through a bolt, the outer wall of the helmet 7 on the side close to the radiator 15 is fixed with a timer 12 through a circular cap nail 9, the outer wall of the helmet 7 on the side close to the timer 12 is fixed with a temperature sensor 11 through a bolt, and the model of the temperature sensor 11 is PT 100; during the use, accessible fixed knot 10 is sealed two ears and face both sides through the median, simultaneously, accessible time-recorder 12 is to the time timing of electric arc welding for the worker can rationally arrange the operating time of electric arc welding, and the temperature in the helmet 7 can be monitored through temperature sensor 11, and when the temperature exceeded the setting value, the worker accessible is opened radiator 15 and is maintained the temperature in the helmet 7, and then has avoided making the worker feel uncomfortable problem because of the high temperature in the helmet 7, has further protected the safety of work.
To promote wearing comfort for the user; as shown in fig. 3, a rubber sheet 18 is bonded to the inner wall of the back of the mask body 4, a cavity is reserved in the rubber sheet 18, sponge strips 19 are bonded to two sides of the rubber sheet 18, each sponge strip 19 is communicated with the cavity of the rubber sheet 18, two connecting holes are respectively formed in the outer wall of one side of the rubber sheet 18, melt-blown fabric rings 20 are bonded to the inner walls of the two connecting holes, and a resisting block 21 is bonded to the outer wall of one side of the rubber sheet 18, which is close to the upper side of the two melt-blown fabric rings 20; when the user is wearing face guard body 4, the accessible supports piece 21 and fixes the bridge of the nose, fixes the cheek both sides through two sponge strips 19 simultaneously, and breathes through two melt-blown cloth rings 20, from this, has improved the comfort level that the user wore greatly, has also protected the safety of user's oxygen uptake to a certain extent.
When the helmet is used, a user brings the helmet 7 to the top of the head through the neck belt 13, the mask body 4 is covered in front of the face by rotating the rotary seat 6, when the user wears the mask body 4, the nose bridge can be fixed through the abutting block 21, the two sides of the cheek are fixed through the two sponge strips 19, and the user breathes through the two melt-blown cloth rings 20, at the moment, when the user performs electric arc welding, the goggles can effectively protect the eyes of the user from being irradiated by direct arc light, meanwhile, when poisonous gas dust enters the sealing block 26 through the air inlet 1, fine dust particles can be adsorbed by the adsorption pad 25, the gas can enter the filtering and disinfecting cavity 23 through the two air holes 24, the gas is adsorbed and purified through the plurality of filtering balls in the filtering and disinfecting cavity, the purified gas is collected through the two air bags 22, and the gas is filtered again through the activated carbon sheets on the inner wall, so that the air inhaled by the user does not contain toxic dust, and the body safety of the user is effectively protected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. A portable manual electric arc welding gas defense and dust prevention welding mask comprises a mask body (4) and is characterized in that the outer walls of two sides of the top of the mask body (4) are respectively connected with rotary seats (6) through threads, the outer walls of two sides of the two rotary seats (6) are respectively connected with magnetic suction blocks (16) through mounting nuts, the outer wall of one side, opposite to the two magnetic suction blocks (16), is adsorbed with a same helmet (7), the outer wall of the front side of the mask body (4) is provided with an observation hole, the outer walls of two sides, close to the observation hole, of the mask body (4) are respectively fixed with a same arc-shaped mounting plate (5) through two circular cap nails (9), the outer wall of the front side of the arc-shaped mounting plate (5) is provided with a clamping groove, the inner wall at the periphery of the clamping groove is clamped with a same goggles (8), and dustproof disinfection mechanism is provided with in dustproof filter (2), and the adjacent one side outer wall of every dustproof filter (2) is opened air inlet (1) respectively and is had two guide cover (3) through the thread tightening, and the bottom both sides inner wall outer wall of helmet (7) is respectively through the bolt tightening has neck area (13), and two neck areas (13) all are provided with same buckle (14) relatively.
2. The shield for shielded dust and gas of portable manual arc welding according to claim 1, wherein each of said shield sterilizing means comprises two air bags (22), a filter sterilizing chamber (23), two air holes (24), an adsorption pad (25) and a sealing block (26), and the sealing block (26) is adhered to the peripheral inner wall of the air inlet (1) by a sealant.
3. The shield for shield of portable manual arc welding according to claim 2, wherein the adsorption pad (25) is engaged with the inner wall of the center of the sealing block (26), two air holes (24) are formed at the top and bottom of the adsorption pad (25), respectively, and the filter sterilization chamber (23) is formed at the inner center of each dust filter (2).
4. The shield for shielded and dustproof welding of portable manual arc welding according to claim 2, wherein the filtering sterilizing chamber (23) is filled with filtering balls, and the two air bags (22) are connected to one side of the filtering sterilizing chamber (23) through guide films, respectively.
5. The shield for shielded dust and gas of portable manual arc welding according to claim 3, wherein the inner walls of said two air bags (22) are adhered with thin sheets of activated carbon, and the outer wall of the back surface of each dust filter (2) is provided with a guide hole (17).
6. The shield for shielded and dustproof welding of portable manual electric arc welding according to claim 1, wherein the outer wall of the helmet (7) near one side of the two rotating bases (6) is fixed with a fixing buckle (10) by screws, and the outer wall of the helmet (7) near the back side is fixed with a radiator (15) by bolts.
7. The shield for shielded and dustproof portable manual electric arc welding according to claim 6, wherein the timer (12) is fixed to the outer wall of the helmet (7) on the side close to the heat sink (15) by a dome pin (9), and the temperature sensor (11) is fixed to the outer wall of the helmet (7) on the side close to the timer (12) by a bolt.
8. The portable manual arc welding gas and dust prevention welding mask according to claim 1, wherein a rubber sheet (18) is bonded to the inner wall of the back surface of the mask body (4), a cavity is reserved in the rubber sheet (18), sponge strips (19) are bonded to two sides of the rubber sheet (18), and each sponge strip (19) is communicated with the cavity of the rubber sheet (18).
9. The portable manual arc welding gas defense and dust prevention welding mask as claimed in claim 8, wherein the rubber sheet (18) is provided with two connecting holes on the outer wall of one side respectively, the inner walls of the two connecting holes are bonded with melt-blown cloth rings (20), and the rubber sheet (18) is bonded with a resisting block (21) on the outer wall of one side close to the upper parts of the two melt-blown cloth rings (20).
CN202011226380.2A 2020-11-05 2020-11-05 Portable manual electric arc welding gas defense dustproof welding mask Pending CN112294533A (en)

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CN202011226380.2A CN112294533A (en) 2020-11-05 2020-11-05 Portable manual electric arc welding gas defense dustproof welding mask

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Application Number Priority Date Filing Date Title
CN202011226380.2A CN112294533A (en) 2020-11-05 2020-11-05 Portable manual electric arc welding gas defense dustproof welding mask

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CN112294533A true CN112294533A (en) 2021-02-02

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Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1171925A (en) * 1996-07-27 1998-02-04 王周华 Special-purpose protective helmet for electric welding
WO2015034575A1 (en) * 2013-09-05 2015-03-12 Wright Jerry Dean Face protector lens assembly and method of use
CN204484480U (en) * 2015-03-25 2015-07-22 郝建全 Multipurpose hand screen
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CN205814532U (en) * 2016-05-11 2016-12-21 李晓光 A kind of double turning over protects mirror protective cover
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CN207722256U (en) * 2017-12-26 2018-08-14 福建海屹舰船设备有限公司 A kind of anti-scintillation mask
CN207898588U (en) * 2017-09-22 2018-09-25 张伟 A kind of Multipurpose hand screen
CN208405083U (en) * 2017-11-14 2019-01-22 浙江长兴鑫川建筑劳务有限公司 A kind of Portable manual electric arc welding gas defence dust mask
CN209154787U (en) * 2018-06-12 2019-07-26 宜昌市中心人民医院 A kind of Medical respirator
CN209391107U (en) * 2018-12-03 2019-09-17 扬州工业职业技术学院 Metallic dust protective mask when a kind of machining
CN209548221U (en) * 2019-01-14 2019-10-29 东北电力大学 Welding mask with flue gas adsorption device and liftable optical filtering
CN110916899A (en) * 2019-11-05 2020-03-27 湖北工业大学 Protective mask for electric welding
CN210277477U (en) * 2019-04-02 2020-04-10 内蒙古科技大学 Welding cap controlled by tooth occlusion
CN210522120U (en) * 2019-05-17 2020-05-15 扬州石化有限责任公司 Boiler flue gas dust removal purifier
CN211326103U (en) * 2019-11-13 2020-08-25 杨辰嘉 Protective cover for electrician and electronic technology
CN211751898U (en) * 2020-02-18 2020-10-27 罗华 Reusable antivirus mask

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1171925A (en) * 1996-07-27 1998-02-04 王周华 Special-purpose protective helmet for electric welding
WO2015034575A1 (en) * 2013-09-05 2015-03-12 Wright Jerry Dean Face protector lens assembly and method of use
CN204484480U (en) * 2015-03-25 2015-07-22 郝建全 Multipurpose hand screen
CN105725335A (en) * 2016-05-10 2016-07-06 中国人民武装警察部队学院 Protection helmet
CN205814532U (en) * 2016-05-11 2016-12-21 李晓光 A kind of double turning over protects mirror protective cover
CN206279024U (en) * 2016-11-14 2017-06-27 天津市瑞合彤机电科技有限公司 A kind of water saving interface with sterilizing function
CN207898588U (en) * 2017-09-22 2018-09-25 张伟 A kind of Multipurpose hand screen
CN208405083U (en) * 2017-11-14 2019-01-22 浙江长兴鑫川建筑劳务有限公司 A kind of Portable manual electric arc welding gas defence dust mask
CN207722256U (en) * 2017-12-26 2018-08-14 福建海屹舰船设备有限公司 A kind of anti-scintillation mask
CN209154787U (en) * 2018-06-12 2019-07-26 宜昌市中心人民医院 A kind of Medical respirator
CN209391107U (en) * 2018-12-03 2019-09-17 扬州工业职业技术学院 Metallic dust protective mask when a kind of machining
CN209548221U (en) * 2019-01-14 2019-10-29 东北电力大学 Welding mask with flue gas adsorption device and liftable optical filtering
CN210277477U (en) * 2019-04-02 2020-04-10 内蒙古科技大学 Welding cap controlled by tooth occlusion
CN210522120U (en) * 2019-05-17 2020-05-15 扬州石化有限责任公司 Boiler flue gas dust removal purifier
CN110916899A (en) * 2019-11-05 2020-03-27 湖北工业大学 Protective mask for electric welding
CN211326103U (en) * 2019-11-13 2020-08-25 杨辰嘉 Protective cover for electrician and electronic technology
CN211751898U (en) * 2020-02-18 2020-10-27 罗华 Reusable antivirus mask

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Application publication date: 20210202