CN109248023A - A kind of varus formula welding mask - Google Patents
A kind of varus formula welding mask Download PDFInfo
- Publication number
- CN109248023A CN109248023A CN201810592277.6A CN201810592277A CN109248023A CN 109248023 A CN109248023 A CN 109248023A CN 201810592277 A CN201810592277 A CN 201810592277A CN 109248023 A CN109248023 A CN 109248023A
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- Prior art keywords
- soft band
- varus
- mask
- microscope group
- sliding slot
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- 238000003466 welding Methods 0.000 title claims abstract description 104
- 241000469816 Varus Species 0.000 title claims abstract description 91
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 239000011521 glass Substances 0.000 claims abstract description 13
- 238000012216 screening Methods 0.000 claims abstract description 12
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 4
- 210000001508 eye Anatomy 0.000 description 25
- 239000002893 slag Substances 0.000 description 11
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- 238000005498 polishing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000004438 eyesight Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
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- 239000002253 acid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 206010015958 Eye pain Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000028571 Occupational disease Diseases 0.000 description 1
- 206010063669 Photoelectric conjunctivitis Diseases 0.000 description 1
- 206010038910 Retinitis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008576 chronic process Effects 0.000 description 1
- 210000000795 conjunctiva Anatomy 0.000 description 1
- 210000004087 cornea Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
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- 206010035653 pneumoconiosis Diseases 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F9/00—Methods 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
- A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
- A61F9/06—Masks, shields or hoods for welders
Landscapes
- 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)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a kind of varus formula welding masks; it include the mask shell with form, set on form microscope group and be covered on the outer screening glass of form; varus formula welding mask further includes the varus component being connected on mask shell and with microscope group, and microscope group passes through varus component turning inside out in the mask shell；Wherein, varus component includes the knob on mask shell, gear, the soft band with rack gear and the sliding slot on mask shell with knob coaxial linkage, soft band is set in sliding slot and connect with microscope group, band moving gear rotates when knob rotates, wheel and rack engagement, soft band is driven to be subjected to displacement variation, so that microscope group turning inside out in the mask shell.The present invention provides varus component and microscope group is overturn in the inside of varus formula welding mask, and easy to operate, the center of gravity relative changes of varus formula welding mask are smaller, greatly reduce the constriction of varus formula welding mask, improve the comfort of wearing.
Description
Technical field
The present invention relates to electric welding protection technique fields, and in particular to a kind of varus formula welding mask.
Background technique
Welding arc is often generated in metal welding process, welding arc is a kind of gas occurred between electrode and weldment
Electric discharge phenomena, contain the rays such as visible light, infrared ray and ultraviolet lights of a large amount of high intensity, high-intensitive visible light, infrared ray and
The light radiation of ultraviolet light bring can injure the eyes of welder.
The luminosity of luminous ray in welding arc, the light luminosity that can normally bear than human eye can be 10,000 times big, strong in this way
Strong visible light can burn retina, cause the retinitis, and welder will feel ocular pain, vision film paste, have center dark at this time
Point or even Blackout, such as prolonged and repeated effect, eyesight can fade.Damage of the infrared ray to eyes in welding arc
It is a chronic process, after the excessive infrared ray of eye lens Long-term absorption, elasticity is deteriorated, adjusts difficult, hypopsia, sternly
Severe one will lead to lenticular muddiness, damage eyesight.After welding arc middle-ultraviolet lamp irradiates human eye, cornea and conjunctiva hair will lead to
Inflammation, " electric ophthalmia " of generation, being listed in is the second largest occupational disease except pneumoconiosis, eye of the ultraviolet and infrared ray to people
Eyeball may cause possible permanent damage.
Welding mask is to help it that can protect in the welding process for helping welder to protect the occupational hazards from welding
Eyeshield eyeball can be accurately positioned again, efficient welding.Welding mask is usually the microscope group that protection eyes are equipped on mask shell, root
According to the mounting means of microscope group and mask shell, it common are two kinds, one is microscope groups to be directly installed on mask shell, another
It is that microscope group is mounted on outer turning cover, outer turning cover is set on mask shell, as needed digs outer turning cover upwards.
When welding is completed to need to check welding effect or cleaning polishing welding slag, such as the first welding mask, microscope group is straight
It connects and is mounted on mask shell, be directed through if microscope group checks, the visual field of welder is inconvenient than darker, not clear enough；The
Two kinds of welding masks, microscope group are mounted on outer turning cover, since microscope group is generally heavier, with turning over for outer turning cover, general microscope group and
The mobile range of outer turning cover is larger, and the center of gravity of welding mask can be displaced outwardly biggish distance upwards to guarantee the steady of microscope group position
Fixed, the compressing in butt welding foreman portion is heavier, and welder's wearing is uncomfortable, is easy to produce feeling of fatigue, and turning over outer turning cover, mirror
Group can be exposed to outside by the side of eyes, once welding slag splashes during welding slag is polished in cleaning, it is easy to microscope group is damaged,
The service life for reducing microscope group, influences work.
Therefore it is badly in need of developing the new welding mask of one kind to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of varus formula welding masks, clear existing for existing welding mask for solving
The problem of excessively dark inconvenient and microscope group in the visual field is easily damaged when reason polishing welding slag.
To achieve the goals above, the invention provides the following technical scheme: a kind of varus formula welding mask comprising have
The mask shell of form, set on the form microscope group and be covered on the outer screening glass of the form, the varus formula welding
Mask further includes the varus component being connected on the mask shell and with the microscope group, and the microscope group passes through the varus
Component is turned inside out the mask shell；Wherein, the varus component include knob on the mask shell, with
Gear, the soft band with rack gear and the sliding slot on the mask shell of the knob coaxial linkage, the soft item
Band is set in the sliding slot and connect with the microscope group, and the knob drives the gear to rotate when rotating, the gear and institute
Rack gear engagement is stated, drives the soft band to be subjected to displacement variation, so that the microscope group turning inside out in the mask shell.
Preferably, the soft band include soft band body, set on the soft band body close to the mask shell
Rack gear on surface and the circular shaft on surface of the soft band body far from the mask shell, the soft band
It is connect by the circular shaft with the microscope group, the gear is set on the soft band body, engages connection with the rack gear.
Soft band provided by the invention, one end are connected by rack and pinion engaged transmission, the other end by circular shaft and microscope group
It connects, drives microscope group mobile, structure is simple, occupies little space.
Preferably, the soft band is the soft band of polyamide or polyethylene soft band.
Soft band provided by the invention be polyamide material or polyethylene material, polyamide have very high mechanical strength,
Softening point is high, heat-resisting, wear-resistant, electrical insulating property is good, chemical resistance and self-lubrication, and coefficient of friction is low, has certain
Anti-flammability, it is easy to process.Polyethylene has excellent resistance to low temperature (minimum to use reachable -100~-70 DEG C of temperature), chemistry
Stability is good, be resistant to the erosion (intolerant to the acid with oxidizing property) of most of soda acids, water imbibition is small and electrical insulating property is excellent
It is good.
Preferably, the sliding slot includes the sliding chute seat on the mask shell inner surface and sliding chute seat cooperation
Sliding slot lid, the soft band is located between the sliding chute seat and the sliding slot lid, in the sliding chute seat and the sliding slot lid
Variation is subjected to displacement in the accommodating space surrounded.
Sliding slot provided by the invention provides space with the change in displacement for being combined into soft band by sliding chute seat and sliding slot lid, makes
The displacement of soft band is obtained along fixed path change, ensure that microscope group switching process is stablized.
Preferably, the sliding slot lid includes sliding slot lid ontology and from the sliding slot lid ontology to close to the mask shell
The column spinner that the direction of body extends, the soft band are equipped with the first slot through the soft band body, and the column spinner is worn
Cross the first slot of the soft band, the geared sleeve is set to the column spinner, the gear sequentially pass through the sliding chute seat and
Mask shell, the knob sleeve is set to the gear, with the gear coaxial linkage.
Sliding slot provided by the invention is covered with column spinner, and by column spinner and gear, knob coaxial linkage, stability is more
More labor-saving when good, operation, positioning is more accurate when installation.
Preferably, the sliding slot is covered with the second slot through the sliding slot lid ontology, for the circular shaft of the soft band
It passes through.
The circular shaft of soft band provided by the invention passes through the second slot of sliding slot lid, so that soft band is subjected to displacement variation
When, circular shaft is moved along the second slot, and structure is simple, conveniently moving, reduces moving resistance.
Preferably, the sliding slot is covered with through the third slot of the sliding slot lid ontology and set on the third slot
The detent elastic slice in hole, the soft band are equipped with the multiple detents cooperated with the detent elastic slice far from the surface of the mask shell
Slot, to limit the displacement of the soft band.
Sliding slot provided by the invention is covered with detent elastic slice and the detent slot of soft band is clamped, to limit the position of soft band
It moves, structure is simple, can repeatedly use without injuring part.
Preferably, the detent elastic slice includes the extension extended from the sliding slot lid ontology to the direction of the third slot
Portion and the bending part extended from the extension to the direction close to the mask shell, the bending part and the detent
Slot cooperation.
Detent elastic slice provided by the invention is cantilever hook-type structure, and when clamping is closer, fixed more preferable in position.
Preferably, the mask shell be equipped with guide rail, the microscope group along the guide rail the mask shell interior rollover
Turn.
The present invention is equipped with the guide rail overturn for microscope group, so that the overturning route of fixed microscope group, process are stably and controllable.
Preferably, the reversal distance of the microscope group is less than or equal to 65mm, and flip angle is 1 °~15 °.
Microscope group provided by the invention is turned inside out varus formula welding mask, compared to eversion type welding mask, overturning
It is easy to operate apart from shorter, angle is smaller, the mass centre changing amplitude of varus formula welding mask is small, influence that welder is worn more
It is low.
Compared with the prior art, varus formula welding mask of the present invention has the advantage that
One, present invention offer varus component overturns microscope group on the inside of varus formula welding mask, easy to operate,
Even if microscope group overturns the field range departing from eyes, but microscope group is also in varus formula welding mask, varus formula welding mask
Center of gravity relative changes are smaller, greatly reduce the constriction of varus formula welding mask, mitigate the feeling of fatigue of welder, improve varus formula
The comfort that welding mask is worn；
Two, rotation is become mobile by the engaged transmission of rack and pinion by varus component provided by the invention, by gear
Rotation become the movement of soft band, and then mobile microscope group, it is simple and compact for structure, transmission efficiency is high；
Three, varus formula welding mask provided by the invention is equipped with outer screening glass, and in microscope group overturning, outer screening glass is to varus
The inside of formula welding mask, especially microscope group can provide and be effectively protected enough, prevent welding slag when polishing welding slag from splashing to microscope group
Destruction, extend the service life of varus formula welding mask, while can also protect the eyes of welder.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.In the accompanying drawings:
Fig. 1 is the front elevation of varus formula welding mask provided by the invention；
Fig. 2 is the decomposition texture schematic diagram of varus formula welding mask shown in Fig. 1；
Fig. 3 is cross-sectional view of the varus formula welding mask shown in Fig. 1 along line A-A；
Fig. 4 is the enlarged drawing of varus formula welding mask part B shown in Fig. 3；
Fig. 5 is the decomposition texture schematic diagram of varus component in varus formula welding mask shown in Fig. 1；
Fig. 6 is the structural schematic diagram of varus formula welding mask original state shown in Fig. 1；
Fig. 7 is cross-sectional view of the varus formula welding mask shown in Fig. 6 along line C-C；
Fig. 8 is the structural schematic diagram of varus formula welding mask use state shown in Fig. 1；
Fig. 9 is cross-sectional view of the varus formula welding mask shown in Fig. 8 along line D-D.
Appended drawing reference
1- mask shell, 11- form,
12- guide rail, the first rotating hole of 13-,
2- microscope group, 21- circular hole,
The outer screening glass of 3-, 4- varus component,
41- knob, 42- gear,
The soft band of 43-, soft band body of 431-,
432- rack gear, 433- circular shaft,
The first slot of 434-, 435- detent slot,
4351- the first detent slot, 4352- the second detent slot,
44- sliding slot, 441- sliding chute seat,
The first fixation hole of 4411-, the second rotating hole of 4412-,
442- sliding slot lid, 4421- sliding slot lid ontology,
The second fixation hole of 4422-, 4423- column spinner,
The second slot of 4424-, 4425- third slot,
4426- detent elastic slice, 4427- extension,
4428- bending part, 5- headband.
Specific embodiment
The present invention provides many applicable creative concepts, which be can be reflected in a large number of on specific
Hereinafter.The specific embodiment described in following embodiments of the present invention is only used as a specific embodiment of the invention
Exemplary illustration, and be not meant to limit the scope of the invention.
First to the present invention relates to noun explain:
380 nanometers to 780 nanometers of wavelength period is defined as visible light section in electromagnetic spectrum, i.e. human eye can detecte
Light radiation range, wavelength period of the wavelength less than 380 nanometers are defined as ultra-violet bands, and wavelength is greater than 780 nanometers of wavelength period
It is defined as infrared ray wave band.
In welding profession, according to national sector standard GB/T 3609.1-2008 " professional eye face protection welding protection the
A part: welding armour " in regulation, Welder's protective face mask be the mask equipped with suitable optical filter, used in weld job
To protect eyes and face.
The invention will be further described with specific embodiment with reference to the accompanying drawing.
As shown in Figures 1 and 2, wherein Fig. 1 is the front elevation of varus formula welding mask provided by the invention；Fig. 2 is Fig. 1
The decomposition texture schematic diagram of shown varus formula welding mask.The present embodiment provides a kind of varus formula welding mask, the varus formula
Welding mask include the mask shell 1 with form 11, set on the form 11 microscope group 2, be covered on the outer of the form 11
Screening glass 3, the varus component 4 being connected on the mask shell 1 and with the microscope group 2 and with the mask shell 1
The headband 5 of connection, the microscope group 2 are used for by the turning inside out in the mask shell 1 of varus component 4, the headband 5
Welder wears the varus formula welding mask.
It should be noted that seeing Each part, Fig. 3 since the structure of the headband 5 is more complex in order to clearer
It is the structural schematic diagram of each section after removing the headband 5 to Fig. 9.
As shown in Figures 2 and 3, Fig. 3 is cross-sectional view of the varus formula welding mask shown in Fig. 1 along line A-A.The mask shell
1 main body as the varus formula welding mask plays the role of the fixed support microscope group 2, preferably covers the head of user
The mask shell of shape also provides complete protection to the head of welder.It is set in the mask shell 1 described within sweep of the eye of user
There is form 11, the form 11 provides the maximum window for observation for user.
Wherein, in the case that the visual field refers to that the head of user and eyeball are fixed, eyes viewing front object when institute
It can observable spatial dimension.The standard visual field in horizontal plane is: eyes region is about controlling the region within 60 °；
The standard visual field in vertical plane is: maximum vision area is 70 ° of standard sight or less.
The microscope group 2 is the harmful glare that can be defendd in weld job while can reduce to the ultraviolet of human eye harm
It can be automatic beam change optical filter with the special filter plate of infra-red radiation, or glass filter, it is described in the present invention
Microscope group 2 is the prior art, is not repeated herein.
When welder needs to check welding result or carries out cleaning polishing welding slag, the microscope group 2 is passed through into the varus
Component 4 is turned inside out the mask shell 1, is operated with providing the clear visual field for welder.The mask shell 1 is equipped with guide rail
12, the microscope group 2 is overturn along the guide rail 12, thus the overturning route of fixed microscope group, process is stably and controllable, but also described
Microscope group 2 will not collide in switching process with the eyes of welder, protect welder's eyes.
The outer screening glass 3 mainly for the protection of microscope group resist hot particle, scorching hot liquid or melt metal splashing and
Scratch.The outer screening glass 3 is fixed on the mask shell 1 by buckle structure, when the 2 inwardly overturning of microscope group, institute
It states outer screening glass 3 and is fixed on outermost always, play a protective role, the outer screening glass 3 is to the varus formula welding mask
Inside, the especially described microscope group 2 can provide enough protections, and the microscope group 2 is in the inside of the outer screening glass 3 always, with
External world's isolation effectively prevent the destruction that welding slag splashes to the microscope group 2 when polishing welding slag, extends the varus formula welding mask
Service life, while the eyes of welder can be also protected, welder is injured with splashings such as welding slag preventings.
As shown in Figures 3 to 5, wherein Fig. 3 is cross-sectional view of the varus formula welding mask shown in Fig. 1 along line A-A；Fig. 4 is figure
The enlarged drawing of the welding mask part B of varus formula shown in 3；Fig. 5 is the decomposition knot of varus component in varus formula welding mask shown in Fig. 1
Structure schematic diagram.The varus component 4 includes knob 41 and 41 coaxial linkage of knob on the mask shell 1
Gear 42, the soft band 43 with rack gear 432 and the sliding slot 44 on the mask shell 1, the soft band 43 are set to
Connect in the sliding slot 44 and with the microscope group 2, the knob 41 drives the gear 42 to rotate when rotating, the gear 42 and
The rack gear 432 engages, and drives the soft band 43 to be subjected to displacement variation, so that the microscope group 2 is in the mask shell 1
Side to overturn.
The knob 41 is set on the outer surface of the mask shell 1, is the manual element with manual turn, and welder passes through institute
It states knob 41 and controls the varus component 4.
As shown in Fig. 4 to Fig. 5, the gear 42, which is set on the soft band 43, continuously to be engaged by the tooth on wheel rim
The mechanical organ of passing movement and power.The mask shell 1 is equipped with the first rotating hole 13 through its setting, for the tooth
Wheel 42 passes through, and connect with the knob 41, specifically, the gear 42 is spur gear, certainly, and in other embodiments, institute
State gear 42 or helical gear.
One end end face of the gear 42 is set on the soft band 43, is straight-tooth wheel shaft, institute among the other end face
It states knob 41 and is sheathed on the straight-tooth wheel shaft, so that the knob 41 drives the gear 42 to rotate when rotating.In the present embodiment
In, the gear 42 drives the gear 42 to rotate with can be manually rotated the knob 41, certainly, in other embodiments,
It can also be rotated by motor powered gear.
As shown in Fig. 4 to Fig. 5, the soft band 43 is leaned on including soft band body 431, set on the soft band body 431
Rack gear 432 on the surface of the nearly mask shell 1 and set on the soft band body 431 far from the mask shell 1
Circular shaft 433 on surface, the soft band 43 are connect by the circular shaft 433 with the microscope group 2, and the gear 42 is set to described
On soft band body 431, connection is engaged with the rack gear 432.
The soft band body 431 is set in the sliding slot 44, is played a supporting role.
The rack gear 432 is the special gear that a kind of tooth is distributed on bar shape, and rack gear also divides spur rack and helical teeth tooth
Item is used with straight spur gear and helical gears pairing respectively.In the present embodiment, the gear 42 is spur gear,
The matched rack gear 432 is the spur rack for being distributed in side on the soft band body 431, is uniform-distribution with many
Tooth, certainly, in other embodiments, if the gear 42 is helical gear, the rack gear 432 or diagonal-cut rack.
The rotation of the gear 42, is become the shifting of the soft band body 431 by the rack gear 432 and 42 engaged transmission of gear
It is dynamic, it is simple and compact for structure, transmission efficiency is high.
As shown in Fig. 2, the circular shaft 433, for connecting with the microscope group 2, the microscope group 2 is equipped with and 433 phase of circular shaft
The circular hole 21 of cooperation, the circular shaft 433 are inserted into the circular hole 21, and the soft band 43 is linked together with the microscope group 2,
When the soft band 43 is subjected to displacement variation, drive the microscope group 2 mobile.
The soft band 43 is preferably the soft band of polyamide or polyethylene soft band, and certainly, other materials have one
The soft band for determining intensity can also be with.Polyamide (abbreviation PA, alias nylon) have very high mechanical strength, softening point it is high, it is heat-resisting,
It is wear-resistant, electrical insulating property is good, chemical resistance and self-lubrication, and coefficient of friction is low, there is certain anti-flammability, be easy to plus
Work.Polyethylene (polyethylene, abbreviation PE) is a kind of aggregated thermoplastic resin obtained of ethylene, with excellent resistance to low
Warm nature energy (minimum to use reachable -100~-70 DEG C of temperature), chemical stability is good, is resistant to the erosion of most of soda acids (intolerant to tool
The acid of oxidizing matter), water imbibition is small and electrical insulating property is excellent.
As shown in Fig. 4 to Fig. 5, the sliding slot 44 include sliding chute seat 441 on 1 inner surface of mask shell, with
The sliding slot lid 442 that the sliding chute seat 441 cooperates, the soft band 43 be located in the sliding chute seat 441 and the sliding slot lid 442 it
Between, variation is subjected to displacement in the accommodating space that the sliding chute seat 441 and the sliding slot lid 442 surround.
The sliding chute seat 441 is fixedly connected by multiple first fixation holes 4411 with the inner surface of the mask shell 1, excellent
It is selected as screw connection；The sliding chute seat 441 place corresponding with the first rotating hole 13 of the mask shell 1, which is equipped with, runs through it
The second rotating hole 4412 being arranged, first rotating hole 13 are connected with second rotating hole 4412, for the gear 42
It passes through.
The sliding slot lid 442 includes sliding slot lid ontology 4421, multiple second fixation holes 4422, from the sliding slot lid ontology
4421 column spinners 4423 and the second slot 4424 extended to the direction close to the mask shell 1.
The sliding slot lid ontology 4421 cooperates with the sliding chute seat 441, surrounds the receiving for accommodating the soft band body 431
Space.
Second fixation hole 4422 is corresponding with the first fixation hole 4411 of the sliding chute seat 441, and the sliding slot lid 442 is logical
It crosses multiple second fixation holes 4422 to be fixed on together on the mask shell 1 with the sliding chute seat 441, preferably screw connects
It connects.
The column spinner 4423 be set to the sliding slot lid ontology 4421 one end, and with the gear 42, the knob 41
Coaxial arrangement, specifically, the soft band 43 is equipped with the first slot 434 through the soft band body 431, the column spinner
4423 pass through the first slot 434 of the soft band 43, and the gear 42 is sheathed on after the column spinner 4423, the gear
42 sequentially pass through the first rotating hole 13 of the second rotating hole 4412 of the sliding chute seat 441 and the mask shell 1, the knob
41 are sheathed on the gear 42 again, with 42 coaxial linkage of gear.The column spinner 4423 and gear 42, knob 41 coaxially join
It is dynamic so that the stability of the varus component 4 is more preferable, operation when it is more labor-saving, positioning is more accurate when installation
Second slot 4424 is arranged through the sliding slot lid ontology 4421, wears for the circular shaft 433 of the soft band 43
It crosses, when the soft band 43 is subjected to displacement variation, the circular shaft 433 is moved along second slot 4424, and structure is simple, mobile
It is convenient, reduce moving resistance.To be mobile convenient for the circular shaft 433, second slot 4424 is greater than the of the soft band 43
One slot 434.
As shown in figure 5, further, in order to control the displacement of the soft band 43, the sliding slot lid 442, which is equipped with, runs through institute
The third slot 4425 of sliding slot lid ontology 4421 and the detent elastic slice 4426 set on the third slot 4425 are stated, it is described soft
Band 43 is equipped with the multiple detent slots 435 cooperated with the detent elastic slice 4426 far from the surface of the mask shell 1, with limitation
The displacement of the soft band 43.
The third slot 4425 is set to by the column spinner 4423, and the detent elastic slice 4426 includes from the sliding slot lid
Extension 4427 that ontology 4421 extends to the direction of the third slot 4425 and from the extension 4427 to close to institute
The bending part 4428 that the direction of mask shell 1 extends is stated, the bending part 4428 cooperates with the detent slot 435, described in restriction
The position of soft band 43.The detent elastic slice 4426 is cantilever hook-type structure, and when clamping is closer.
As shown in Fig. 7 and Fig. 9, Fig. 7 is cross-sectional view of the varus formula welding mask shown in Fig. 6 along line C-C；Fig. 9 is shown in Fig. 8
Cross-sectional view of the varus formula welding mask along line D-D.In the present embodiment, the quantity of the detent slot 435 is two, respectively the
One detent slot 4351 and the second detent slot 4352, the first detent slot 4351 are located at the end of the soft band body 431, both
As original state, when the soft band 43 is not subjected to displacement variation, i.e., before the described microscope group 2 is overturn, its position is limited；Also conduct
End-state after the soft band 43 is subjected to displacement variation, i.e., when the described microscope group 2 turns again in situ after overturning, limits its position
It sets；The second detent slot 4352 is located at the middle part of the soft band body 431, and as use state, the soft band 43 is sent out
After the i.e. described microscope group 2 is overturn after raw change in displacement, its position is limited.
The use process of the varus formula welding mask are as follows:
As shown in Figure 6 to 7, Fig. 6 is the structural schematic diagram of varus formula welding mask original state shown in Fig. 1；Fig. 7 is figure
Cross-sectional view of the welding mask of varus formula shown in 6 along line C-C.When welder welds, as original state: the microscope group 2 is located at
The form 11 is located at the front of welder's eyes, the detent elastic slice 4426 of the sliding slot lid 442 and the soft band 43
The clamping of first detent slot 4351；
As shown in Fig. 8 to Fig. 9, Fig. 8 is the structural schematic diagram of varus formula welding mask use state shown in Fig. 1；Fig. 9 is figure
Cross-sectional view of the welding mask of varus formula shown in 8 along line D-D.Welding is completed, and welder needs to check welding result or cleaning polishing weldering
When slag, i.e., the described varus formula welding mask needs to overturn the microscope group 2, is use state: can be manually rotated the knob 41, described
Knob 41 drives the gear 42 to rotate when rotating, the gear 42 is engaged with the rack gear 432 of the soft band 43, described in driving
Soft band 43 is subjected to displacement variation, upward sliding, the one end for driving the microscope group 2 to connect with the circular shaft 433 of the soft band 43
Upward sliding together, one end that the microscope group 2 is connect with the guide rail 12 on the mask shell 1 are slided along the guide rail 12,
So that the turning inside out in the mask shell 1 of microscope group 2.
In general, the microscope group of welding mask can be close at a distance from welder's eyes, and space is very narrow, provided by the invention interior
Turn in formula welding mask, the varus component 4 can move the microscope group 2 to a very small extent so that the microscope group 2 along
The inner surface of the mask shell 1 does slight camber line overturning, operates, will not be occupied for welder to provide the clearly visual field
Excessive space in the mask shell 1, while the microscope group 2 is overturn along the fixed guide rail 12, it will not be with welder
Eyes collide.Even if the overturning of microscope group 2 is departing from the field range of welder's eyes, but the microscope group 2 is also described
In varus formula welding mask, the center of gravity relative changes of the varus formula welding mask are smaller, greatly reduce the varus formula weldering
The constriction of junction cover mitigates the feeling of fatigue of welder, improves the comfort that the varus formula welding mask is worn.
Wherein, the reversal distance of the microscope group 2 is less than or equal to 65mm, and flip angle is 1 °~15 °.It is welded compared to eversion type
Junction cover, the reversal distance of varus formula welding mask provided by the invention is shorter, angle is smaller, more convenient operation, the weldering of varus formula
The mass centre changing amplitude of junction cover is small, influence to welder's wearing is lower.
In the present embodiment, when the detent elastic slice of the second detent slot 4352 and the sliding slot lid 442 of the soft band 43
When 4426 abutting, the microscope group 2 completes overturning, and reversal distance 56mm has inwardly overturn 12 °.
After the completion of overturning, if need to weld again, the knob 41, the second detent slot 4352 and institute are reversely rotated
The disengaging of detent elastic slice 4426 is stated, the gear 42 is engaged with the rack gear 432 of the soft band 43, and the soft band 43 is driven to occur
Change in displacement, slide downward, the one end for driving the microscope group 2 to connect with the circular shaft 433 of the soft band 43 are slided downwardly together,
It is described when the detent elastic slice 4426 of the first detent slot 4351 and the sliding slot lid 442 of the soft band 43 is clamped again
Microscope group 2 returns to original state.
It should be noted that only describing a kind of implementable structure in the present embodiment, the varus component 4 passes through the rotation
Button 41 drives the gear 42 to rotate, and the gear 42 is engaged with the rack gear 432 of the soft band 43, drives the soft band 43
It is subjected to displacement variation, and drives the turning inside out in the mask shell 1 of microscope group 2.In other embodiments, in described
Turn over component can also by the pull rod or rope that are fixed on mask shell and the soft band connection, by pull pull rod or
Rope pulls so that the microscope group turning inside out in the mask shell, it is of course also possible to according to the varus formula welding surface
The structure of cover, design it is corresponding other replace embodiment make the microscope group the mask shell turn inside out or to
The microscope group is detached from the field range of welder's eyes by the translation of other directions, within the scope of the present invention.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and this
Field technical staff can be designed alternative embodiment without departing from the scope of the appended claims.In claim
In, any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" is not excluded for depositing
In element or step not listed in the claims.
Claims (10)
1. a kind of varus formula welding mask comprising the mask shell (1) with form (11), the mirror set on the form (11)
Group (2) and the outer screening glass (3) for being covered on the form (11), which is characterized in that the varus formula welding mask further includes
The varus component (4) being connected on the mask shell (1) and with the microscope group (2), the microscope group (2) pass through described interior
Turn over component (4) turning inside out in the mask shell (1)；
Wherein, the varus component (4) includes that the knob (41) being set on the mask shell (1) and the knob (41) are same
Gear (42), the soft band (43) with rack gear (432) and the sliding slot being set on the mask shell (1) of axis linkage
(44), the soft band (43) is set in the sliding slot (44) and connect with the microscope group (2), the band when knob (41) rotates
The gear (42) rotation is moved, the gear (42) is engaged with the rack gear (432), and the soft band (43) is driven to be subjected to displacement
Variation, so that the microscope group (2) turning inside out in the mask shell (1).
2. varus formula welding mask according to claim 1, which is characterized in that the soft band (43) includes soft band sheet
Body (431) is set to rack gear (432), Yi Jishe of the soft band body (431) on the surface of the mask shell (1)
Circular shaft (433) on surface of the soft band body (431) far from the mask shell (1), the soft band (43) are logical
It crosses the circular shaft (433) to connect with the microscope group (2), the gear (42) is set on the soft band body (431), and described
Rack gear (432) engagement connection.
3. varus formula welding mask according to claim 2, which is characterized in that the soft band (43) is the soft item of polyamide
Band or polyethylene soft band.
4. varus formula welding mask according to claim 2, which is characterized in that the sliding slot (44) includes being set to the face
Sliding chute seat (441) on over body case (1) inner surface, the sliding slot lid (442) with the sliding chute seat (441) cooperation, the soft band
(43) it is located between the sliding chute seat (441) and the sliding slot lid (442), in the sliding chute seat (441) and the sliding slot lid
(442) variation is subjected to displacement in the accommodating space surrounded.
5. varus formula welding mask according to claim 4, which is characterized in that the sliding slot lid (442) includes sliding slot lid
Ontology (4421) and the column spinner extended from the sliding slot lid ontology (4421) to the direction close to the mask shell (1)
(4423), the soft band (43) is equipped with the first slot (434) through the soft band body (431), the column spinner
(4423) the first slot (434) of the soft band (43) is passed through, the gear (42) is sheathed on the column spinner (4423), institute
It states gear (42) and sequentially passes through the sliding chute seat (441) and mask shell (1), the knob (41) is sheathed on the gear
(42), with the gear (42) coaxial linkage.
6. varus formula welding mask according to claim 5, which is characterized in that the sliding slot lid (442), which is equipped with, runs through institute
The second slot (4424) for stating sliding slot lid ontology (4421) is passed through for the circular shaft (433) of the soft band (43).
7. varus formula welding mask according to claim 5, which is characterized in that the sliding slot lid (442), which is equipped with, runs through institute
It states the third slot (4425) of sliding slot lid ontology (4421) and is set to the detent elastic slice of the third slot (4425)
(4426), the soft band (43) is equipped with far from the surface of the mask shell (1) and cooperates with the detent elastic slice (4426)
Multiple detent slots (435), to limit the displacement of the soft band (43).
8. varus formula welding mask according to claim 7, which is characterized in that the detent elastic slice (4426) includes from institute
State extension (4427) that sliding slot lid ontology (4421) extends to the direction of the third slot (4425) and from the extension
Portion (4427) to close to the mask shell (1) direction extend bending part (4428), the bending part (4428) with it is described
Detent slot (435) cooperation.
9. varus formula welding mask according to claim 1, which is characterized in that the mask shell (1) is equipped with guide rail
(12), the microscope group (2) is along the guide rail (12) turning inside out in the mask shell (1).
10. varus formula welding mask according to claim 9, which is characterized in that the reversal distance of the microscope group (2) is less than
Equal to 65mm, flip angle is 1 °~15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592277.6A CN109248023B (en) | 2018-06-11 | 2018-06-11 | Inward-turning type welding mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810592277.6A CN109248023B (en) | 2018-06-11 | 2018-06-11 | Inward-turning type welding mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109248023A true CN109248023A (en) | 2019-01-22 |
| CN109248023B CN109248023B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810592277.6A Active CN109248023B (en) | 2018-06-11 | 2018-06-11 | Inward-turning type welding mask |
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| Country | Link |
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| CN109718007A (en) * | 2019-01-24 | 2019-05-07 | 安徽恒裕光电有限公司 | Formula mask is lifted in a kind of goggles |
| CN111467133A (en) * | 2020-05-12 | 2020-07-31 | 武汉威和光电股份有限公司 | A mirror group adjustment mechanism and welding face guard for welding face guard |
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|---|---|
| CN109248023B (en) | 2023-11-28 |
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