CN1263437C

CN1263437C - An eye and face protection device for welding

Info

Publication number: CN1263437C
Application number: CN 03159509
Authority: CN
Inventors: 王继生
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-20
Filing date: 2003-09-20
Publication date: 2006-07-12
Anticipated expiration: 2023-09-20
Also published as: CN1920618A; CN1526364A

Abstract

The invention provides a protective device for eyes and faces for welding, which is formed by connecting a head band with a helmet body, wherein the helmet body rotates around a shaft determined by the head band mechanism as specified in a working position and a non-working position, and the helmet body is provided with a filter component adjusting mechanism; the helmet body is a cavity which is formed by extending from at least two sides of a mirror chamber which can be provided with a special filter mirror component to the direction vertical to the main surface of the lens chamber or through a specific transition according to a certain thickness and can contain the whole face and the side part of the head of a wearer, a bulge with a surface in a cylinder or plane or spherical surface or a combination of the cylinder or plane and the spherical surface is formed upwards or downwards on the side wall of the top part and/or the upper part close to the front of the head of the wearer, at least one hole is formed above or behind or on the periphery of a hole which is pivoted with a head belt mechanism on the side surface of the helmet body, and a spherical surface or a near spherical surface structure is arranged below the front mirror chamber of the helmet body and is intersected with the side surface to form a round shape.

Description

A kind of protection device for eyes and faces in welding process

Technical field:

The invention belongs to the welding protection device, relate in particular to a kind of protection device for eyes and faces in welding process.

Background technology:

The welding of prior art is adopted two anti-filter glasss with protecting the order tool, function is simple and crude, opaque before the welding, the operator can't see welding portion clearly, the molten bath is also very unintelligible after the starting the arc, is easy to generate defectives such as disconnected weldering, blind weldering, and weak point is to produce various harm rays when welding, shine etc. and can not effectively filter and reflect, various radiation still produce bigger infringement to wearer's eyes, and can not make things convenient for user to change adjustment filter assembly and other adnexaes; Because adopt hand held structures, the operator must be used to control protector by a hands, has strengthened operation easier, has increased potential safety hazard: monochromatic number two anti-filter glasss of tradition are opaque state before and after welding, can't see molten bath etc. clearly.

The technical solution adopted for the present invention to solve the technical problems is:

The filter assembly and the helmet have been the present invention includes; filter assembly is the core apparatus of eye protection; the helmet provides the dedicated fixed mode that filter assembly is fixed and can make things convenient for user to change filter assembly or adnexa, and other positions beyond the eyes are protected.Helmet body changes screw bolt and nut by resistance and is connected with headband, and helmet body can be made regulation around the relative position relation that the determined axle of headband mechanism and helmet body and filter assembly are set up and rotate.Resistance is changeed between the screw bolt and nut adjustable location, stopping means, and constitutes the mechanism that the relative position between filter assembly on the helmet body and the user eyes is regulated.

This protector connects headband by helmet body and constitutes, and helmet body rotates around the regulation that the determined axle of headband mechanism is made work position and off-position, and helmet body is provided with the filter assembly governor motion; Described helmet body is that at least two limits from the Jing Cang that can be equipped with special-purpose filter assembly begin or the entire face that can contain the wearer that forms to extending with the vertical direction of its first type surface by a certain thickness through specific transition and the shape chamber of cephalic region, be positioned at position, the wearer crown and/or forward above on the sidewall at position, form the projection that a surface is cylinder or plane or sphere or its combination up or down, the top in the hole that is articulated with headband mechanism on the side of helmet body or its rear or its periphery have a hole at least, there are sphere or nearly spherical structure in mirror storehouse, helmet body front below and pass through mutually with the side to form perfectly round shape.

Described Jing Cang is that helmet body is carried on the direction of workpiece at it, along being recessed into a square aperture all around, its wall thickness can equate or bigger with helmet body wall is thick, the undersized of this opening is in the filter assembly certain value that will adorn, on workpiece direction dorsad, squeeze out a rectangular cavity by the thick or bigger thickness of helmet body wall, the center of this rectangular cavity overlaps with opening, the height and the filter assembly of extruding are complementary, and the size of opening is slightly larger than the filter lens group that will adorn; Described Jing Cang forms towards protruding with the vertical direction of its first type surface, in helmet bodily form intracavity portion all around along it, protruding on the vertical direction with this, thereby projection forms at least one retaining structure once again, on the mirror bulkhead that this at least one retaining structure faces toward, have at least a depression or hole no matter to have an area of and this at least one retaining setted structure, rebound or filter lens are compressed and/or locate; Place, nearly angle at an one angle, mirror storehouse also further leaves an opening, and on any two relative walls, height is complementary with mirror case, has one at least to the wedge shape retaining of carrying the workpiece direction, and the right angle face of wedge is towards the front surface of filter assembly; Have at least two through holes to be used for it is fixed on the Jing Cang, one passage be used to go between main body to filter assembly is arranged on the direction of Jing Cang, the cavity of Jing Cang is used for holding the part beyond the regulator handle, and at least two corresponding with it at least two through holes on the Jing Cang and helmet body holes are with it positive relationship; Have two stopping mechanisms on the outer plate at least, at least one circular projection based on a certain basis, carry on this basic direction at it and to begin, circumference of at least one circular projection along this, the structure of increased in size formation one or side or circular cone or cylinder or ball on its diametric(al), increased on structure size or side or circular cone or cylinder or ball at this, from its center, towards basic direction, at least open one run through its greatest physical size/or begin on the circumferencial direction of increased in size, to open at least a groove from its center, these two kinds of at least one grooves are no more than the height that this has increased structure size or side or circular cone or cylinder or ball in the greatest length on basic direction; External manual adjustments handle or the button of being connected with of the helmet; Based on circular projection on a certain basis and should or the structure of side or circular cone or cylinder or ball constituted the retaining projection of retaining structure jointly; At least two stopping mechanisms on the outer plate are pressed into respectively and pass at least two holes and at least two holes on the Jing Cang on the with it corresponding helmet body; Helmet body is provided with that shade number shows and at least a dark attitude, has a kind of dark attitude adjusting during many dark attitudes at least; The protrusion that is bar shaped, corrugated and/or straight shape is arranged on the helmet body sidewall and on the sidewall edge; Described headband mechanism comprises nut, stopping shim, and spacer, left and right banking stop, pad, bolt, preceding hatband and head hoop mechanism are changeed in resistance; The top, hole that is articulated with headband mechanism on the side of helmet body or its rear or its at least one hole of periphery, with spacer, left and right banking stop or its combination or the common formation of its part combination operating position, fine setting operating position, off-position.

Clip is to have the convex-concave structure of gaining in strength on a L shaped steel plate and/or the high-strength plastic flitch one rectangle, forms specific hook-shapedly through bending, and on one certain height of the curved bottom of distance hook, there is a holding screw at the geometric center place of convex-concave structure.Have a complex square hole and a tabletting on its another rectangle structure.

Beneficial effect of the present invention:

Filter assembly is the core apparatus of eye protection; this filter assembly is by electronic circuit; photoelectric sensor and at least a power supply and filter set comprise ultraviolet filter, infrared fileter composition and all are encapsulated in the nonmagnetic sheathed cable substance framework; described electronic circuit is made up of photoelectricity input circuit, signal amplifying return circuit, boost loop and high pressure and low-voltage driving loop; described power supply adopts at least a or its combination of lithium battery, solaode and aneroid battery and farad earth capacitance, and described filter set also comprises piezoelectric ceramic wafer light valve group.Described optical filter adopts rose-red reflective coated glass or absorption optical filter; Described piezoelectric ceramic wafer light valve group adopts the double frequency type of drive; The photosignal of described electronic circuit adopts interchange and/or at least a Rhizoma Nelumbinis of direct current to close mode; There is shade number to show and at least a dark attitude, has a kind of dark attitude adjusting during many dark attitudes at least.This filter assembly has been realized the various harm rays that welding is produced, filtration and the reflection that shines etc., makes bottom line is reduced in the various radiation of wearer's eyes.The helmet provides the dedicated fixed mode that filter assembly is fixed and can make things convenient for user to change filter assembly or adnexa, and other positions beyond the eyes are protected.Helmet body changes screw bolt and nut by resistance and is connected with headband, and helmet body can be made regulation around the relative position relation that the determined axle of headband mechanism and helmet body and filter assembly are set up and rotate.Resistance is changeed between the screw bolt and nut adjustable location, stopping means, and constitutes the mechanism that the relative position between filter assembly on the helmet body and the user eyes is regulated.

The present invention uses state-of-the-art photoelectricity automatic device for changing light; change traditional monochrome number two anti-filter glasss and before and after welding, be opaque state; can't see the shortcoming in molten bath clearly; the substitute is the moment observation window that before welding, is pellucidity and begins and become the dark attitude of safety that the eyes that can protect the operator completely make it avoid the electric welding radiation injury automatically in welding; the operator can clearly observe workpiece, aim at the position of welding before its characteristics also were to weld, and can not produce blind weldering.Can see thing across filter lens before the welding, in the welding process, the molten bath is clear, can not produce disconnected weldering, and the blackening immediately of the moment of scratch start provides protection reliably, this protection to be much better than the two anti-filter glasss of traditional welding to the operator; The wear-type structure frees operator's another hands, and wears comfortable.Helmet body can above turning over when not working and does not fall, and has reduced operation easier and potential safety hazard.

Not only to facial but also the more important thing is and provide special protection to eyes, especially its filter lens is pellucidity before welding in the present invention, and the blackening immediately of the moment of scratch start.Hull-Mounted Set is made up of helmet body and headband; contain enhancing this helmet intensity and the facility of function, fixed bin (Jing Cang) and mechanism that can regulate headband and helmet relative position easily of filter assembly on the helmet body, thereby improved safeguard protection degree and operability.Filter assembly is installed in the fixed bin on the protection device for face according to assembling scheme, fixes, compresses by special method.Whole device can be according to the requirement of operation field and security legislation, additional industrial safety medicated cap.All controlling organizations can be loaded on the inside or the outside of entire face protector by the custom of user, and its protection to the wearer is more effective, safer, use is more convenient thereby make.

Description of drawings:

The invention will be further described below in conjunction with drawings and Examples, and listed legend is not limitation of the present invention, but comprises these basic example at least as the understanding to the present technique condition.

Fig. 1 is the sketch map of the filter assembly of the embodiment of the invention;

Fig. 2, Fig. 3 are the demonstration on the filter assembly of the embodiment of the invention and the sketch map of adjusting device;

The sketch map of Fig. 4 handle fixed bin;

Fig. 5 is the sketch map of fixed bin pressing plate;

Fig. 6 is the sketch map in the filter lens storehouse on the helmet body;

Fig. 7 is the sketch map of the pressing plate of filter assembly;

Fig. 8 is the sketch map of helmet body;

Fig. 9 is the sketch map of headband mechanism;

Figure 10 is the sketch map of the micro-tensioning system of helmet body and the formation of headband mechanism;

Figure 11 is the hinged sketch map of headband mechanism and helmet body;

Figure 12 is the sketch map of operating position and off-position;

Figure 13 is the sketch map of the assembling of filter assembly and helmet body;

Figure 14 is the sketch map of allotment of labor's industry safety helmet of the present invention;

Figure 15 is the sketch map of the assembling of the present invention and industrial safety medicated cap;

Figure 16 is the sketch map that assembles the enlarged drawing at position with the industrial safety medicated cap;

Figure 17 is the sketch map of clip;

Figure 18 is the sketch map of several distortion.

Sequence number among the figure: 1. nut, 2. stopping shim, 3. spacer, 4. right limit sheet; 5. pad, 6. bolt is changeed in resistance, 7. left limit sheet, 8. before hatband; 9. head hoop mechanism, 10. governor motion, 11. optical filters, 12. frameworks; 13. adjusting knob, 14. helmet bodies are suitable for reading, the projection on 15. roofs; 16. the roof trailing edge, 17. fine setting holes, 18. adjusting knob holes; 19. the side reinforcement, 20. foreheads, 21. flange; 22. lockhole, 23. times reinforcements, 24. pick offs; 25. the pivot hole, 26. connecting lines, 27. regulating handles; 28. the figure shade number, 29. digital shade numbers, the indication of 30. power supplys; 31. the mirror bulkhead, 32. wedge bases, 33. wedges; 34. at the bottom of the storehouse, 35. screening glass storehouses, 36. outlets; 37. Jing Cang, 38. retaining wedges, 39. pressing plate openings; 40. the pressing plate lockhole, 41. potentiometer lockholes, 42. line outlets; 43. the potentiometer storehouse, 44. potentiometer pressing plates, 45. handle holes; 46. fixed base, 47. movable claws, 48. translots; 49. vertical slot, 50. locking jaws, 51. solaodes; 52. test button, 53. light echo switches, 54. selector switches; 55. the welds types switch, 56. micro actuators, 57. sensitivity indication; 58. the industrial safety medicated cap, 59. holding screws, 60. helmet bodies; 61. left clip, 62. right clips, 63. tablettings.

The specific embodiment:

1. the embodiment of the invention is made up of filter assembly (Fig. 1) and helmet body (Figure 11).Filter assembly (Fig. 1) is a nonmagnetic sheathed cable substance framework (sequence number 12 of Fig. 1), its inside has comprised electronic circuit at least, light sensation and at least a power supply and filter set (sequence number 11 of Fig. 1), concentrate on two zones respectively: zone of optical filtering part, zone of photoelectricity and electronic control system.Characteristics are to be 0 current work circuit basically before the welding, the power saving long working life, and it is fast to become ray velocity.

2. ultraviolet and the infrared fileter in the 1st described filter set adopted reflective coated glass of damask and/or absorption optical filter, and the visible light filtering device has adopted piezoelectric ceramic wafer.Because special design, the centre of homology wavelength of optical filter and piezoelectric ceramics (bright attitude or dark attitude) is people's the most responsive green-yellow wavelength of eyes, so the low 2.5-3# of its bright attitude shade number, dark attitude bath definition is very high, help improving welding quality, reduce operator's degree of fatigue.

3. filter set adopts piezoelectric ceramic wafer (body) optical gate, ultraviolet/infrared filter, sensor-based system and control circuit.

4. the photosignal of sensor-based system of the present invention adopts interchange and/or at least a Rhizoma Nelumbinis of direct current to close mode, photosignal is through amplifying circuit, the direct current Rhizoma Nelumbinis is closed and is exclusively used in TIG welding and/or the welding current welding field less than 10A, this Rhizoma Nelumbinis mode of closing has guaranteed that filter assembly is stable bright attitude in the sun with under the indoor high light, enter default dark attitude behind the scratch start rapidly, even during little electric current, also can reach design purpose, thereby be applicable to various welding.

5. selection/the permutator (sequence number 55 of Fig. 2) under the conventional welding of the embodiment of the invention and low pulse or the no pulse direct current welding manner adopts the toggle switch mode.

6. embodiments of the invention provide a kind of dark attitude at least, provide a kind of dark attitude to regulate to reach the most satisfied molten bath definition at least when many dark attitudes.

7. embodiments of the invention provide a bright attitude, and a bright attitude micro actuator of environment (sequence number 56 of Fig. 2) is to adapt to different welding and environment.

8. whole filter glass group adopts high strength water white transparency high molecular polymer such as polycarbonate screening glass that assemblies such as vitals such as optical filter, piezoelectric ceramic wafer, solar panel are protected.

9. filter set of the present invention (sequence number 11 of preface Fig. 1) is by ultraviolet and infrared fileter, piezoelectric ceramic wafer and screening glass.It mainly acts on is the harm ray that prevents to weld time injury operator eyes; see through or make its transmission amount minimum as ultraviolet, infrared ray; eyes with the protection welder escape injury; next is to allow visible light to pass through; visible light passes through effectively before making welding; thereby form is bright attitude before the welding, and the operator can see and aim at the welding position clearly.

10. the piezoelectric ceramic wafer of the embodiment of the invention exists Chang Kai and normally closed characteristic on molecular structure, realizes conversion bright, dark attitude with this.

11. filter set is made up of a slice at least, its quantity depends on the shading scope that will realize.Single shade number only needs a slice, then needs the quantity of the sheet of increase group on request during many shade numbers.

12. optical filter the 9th, the 10th piezoelectric ceramic wafer is bonded together with special gelatin has promptly increased mechanical strength, has also increased the transmittance of visible light.

13. embodiment of the invention control section is by power supply, the photo-electric control circuit shows three parts composition.

14. the embodiment of the invention has adopted a kind of power supply at least, solaode (sequence number 51 of Fig. 1) or lithium battery (chargeable and/or not chargeable) independence or unite power supply.

15. the 14th the built-in replaceable form of the further employing of described battery is to increase the service life.

16. power supply of the present invention has been taked Auto Power On/shutdown or manual boot-strap and auto-shut-off scheme.

17. the present invention has adopted battery detecting button (sequence number 52 of Fig. 1), avoids not having electricity operation and the operator is damaged preventing.

18. the photo-electric control circuit is made up of input circuit, signal amplifying return circuit, boost loop and driving loop etc.

19. input circuit is become optical signal the signal of telecommunication and is transported to amplifier input terminal by pick offs such as optical transistor (sequence number 24 of Fig. 1).

20. amplifier adopts low consumed power operational amplifier, the operating current of whole electronic circuit before welding is about zero and by light cell built-in lithium battery charged, internal battery etc. is as the striking power supply during scratch start, solaode is as accessory power supply, in the welding process, solaode is as main working power, and aneroid battery such as lithium battery are as accessory power supply or by rechargeable solar battery.

21. to capacitor charging and make it to reach supply voltage, during striking, by the electronics booster circuit voltage being raise and is delivered to driver circuit for piezoelectric ceramics makes piezoelectric ceramic wafer moment deepening before the welding.

22. the filter set of an alternative embodiment of the invention has adopted 2 above piezoelectric ceramics chip modules, it adopts low frequency before often hacking and adopting the double frequency type of drive promptly to weld, and the moment of striking adopts the high-frequency drive mode to realize the purpose of the quick deepening of piezoelectric ceramics.

Show (Fig. 2) 23. the invention provides welds types selection, selection of Welding, shade number adjusting and shade number,

24. one embodiment of the present of invention provide welds types to select, the left side of switch (sequence number 55 of Fig. 2) is that no pulse or low pulse direct current TIG welding (the following little electric current welding of 10A) right side are other various welding manners.The outside that the shade number of present embodiment is adjusted in helmet body is the knob (sequence number 13 of Figure 13) that the filter assembly lead-out wire is ined succession. the sequence number 56 of Fig. 2 is the bright attitude trimming handle under the present embodiment.Following little electric current of 10A or no pulse and low pulse direct current TIG weld and are applicable to CO effectively under the present embodiment ₂The protection weldering waits various forms.

25. embodiments of the invention provide selection of Welding: light echo selection of time switch (sequence number 53 of Fig. 2) is positioned at when the right, the light echo time fast (by dark to bright), be applicable to technologies such as spot welding, and when switch is positioned at the left side, be applicable to CO ₂The protection weldering waits the welding of other various process forms.

26. filter assembly of the present invention provide at least one work shade number (sequence number 29 of Fig. 2), but a plurality of shade number has also comprised at least one stepless modulation optical range.

27. but another one embodiment of the present invention provides a plurality of stepless modulation optical ranges, select a shade number scope by the shade number range switch (sequence number 54 of Fig. 1) on the operation mirror case.

28. embodiments of the invention provide at least a shade number regulative mode: automatically and manually, manually be divided into machinery manually/electronics manually/inductive and manual (sequence number 27 of Fig. 1 and Fig. 2).

29. the shade number of filter assembly of the present invention part shows: show a shade number at least, shade number shows at least with upper/lower positions: position one, stickup or injection moulding or other permanent pictorial symbolization (sequence number 29 of Fig. 2) of opacity on filter assembly; Position two, regulate for ease of the wearer, stickup or injection moulding or other permanent marker can place the outside (sequence number 29 of Figure 13) of helmet body by regulative mode; Position three, in the digital display mode (sequence number 29 of Fig. 3) of filter assembly opacity; Position four, the numeral at the lower edge place of bright zone show (sequence number 28 of Fig. 3).

30. one embodiment of the present of invention provide power supply and filter assembly state indication (sequence number 30 of Fig. 3) so that observe the current state of filter lens.

31. the 29th described shade number has light and/or unglazed demonstration at least in the following ways: LED device and/or circuit and/or pen section calligraphy and painting, LCD liquid crystal device and/or circuit and/or pen section calligraphy and painting, charactron device and/or circuit and/or pen section calligraphy and painting and graphic character.

32. the fixedly employing outer plate (Fig. 5) of external manual adjustments handle and handle fixed bin mode (Fig. 4).Have at least two through holes (sequence number 41 of Fig. 4) to be used for it is fixed on the fixed bin, have a passage (sequence number 42 of Fig. 4) to be used to go between to filter assembly in the direction of fixed bin, the cavity of fixed bin (sequence number 43 of Fig. 4) is used for holding regulator handle part in addition.When regulating handle is external, handle in cavity (sequence number 43 of Fig. 4) passes the corresponding aperture (sequence number 45 of Fig. 4) on the outer plate, at least two stopping mechanisms on the outer plate (sequence number 50 of Fig. 4) are pressed into and pass with it corresponding at least two holes (sequence number 41 of Fig. 4) that are positioned on the fixed bin respectively, thereby realize regulating the fixing of device and handle thereof.

33. the 32nd bar described external manual adjustments handle fixedly adopted two independently parts: outer plate (Fig. 5) and fixed bin (Fig. 4) have two stopping mechanisms (sequence number 50 of Fig. 4) at least on the outer plate.Stopping mechanism is at least one circular or square or oval projections (sequence number 46 of Fig. 4) on vertical a certain basis (sequence number 44 of Fig. 4), carry on this basic direction at it and to begin, this projection begins along this at least one circumferential edge or edge increased in size on outside direction circular or square or oval projections (sequence number 46 of Fig. 4) and forms one or the structure (sequence number 47 of Fig. 4) of circle or awl or side or ball, increased on structure size or circle or awl or side or ball at this, from its center, towards basic direction, at least open one run through its greatest physical size/or begin on the circumferencial direction of increased in size, to open at least a groove (sequence number 48 and 49 of Fig. 4) from its center, these two kinds of at least one grooves are no more than in the greatest length on basic direction that this has increased height size or circle or awl or side or spherical structure on the basis.Should or square or oval projections (sequence number 46 of Fig. 4) with should or the structure (sequence number 47 of Fig. 4) of circle or awl or side or ball constituted stopping mechanism (sequence number 50 of Fig. 4) jointly.Stopping mechanism by above-mentioned described formation has at least two lobes to constitute fixed mechanism.

34. the helmet comprises two assemblies of helmet body (Fig. 8) and headband mechanism (Fig. 9).Helmet body is that a kind of at least two limits from the Jing Cang that can be equipped with special-purpose filter lens or filter assembly begin directly or through specific transition, by a certain thickness to the vertical direction of its first type surface on extend and the shape chamber of the entire face that can contain the wearer, two cephalic regions and the head that form, this shape chamber promptly forms the sidewall and the roof of helmet body.On the sidewall in shape chamber, the protrusion or the depression oppose side wall that are bar shaped, ripple river in Shangdong Province shape and/or straight shape play a part to gain in strength or (sequence number 19 of Fig. 8 and the sequence number 23 of Figure 18) attractive in appearance.On roof, be positioned at the rear portion, (promptly outside or inside) forms the projection (sequence number 15 of Fig. 8 that at least one surface is cylinder or plane or sphere or its combination up or down, 16) thus provide at least a structure of gaining in strength to the upper surface of helmet body, not only can strengthen air duct, increase breathing space, and can prevent falling objects impacting to the wearer from wearer's overhead, this function derives from the front and back apex distance of lengthening, before it, be slick and sly arc between a left side and right each wall and the helmet body and pass through transition mutually, and its rear portion and helmet body run through (sequence number 16 of Fig. 8).This structure front portion is 1.5 to 3mm apart from the height of outer surface, and its rear portion is about 5 to 8mm apart from the height of outer surface.Top, two sided are the streamlined structure of passing through mutually of little arc transition each other.

35. Jing Cang of the present invention (sequence number 37 of Fig. 6) is that helmet body is carried on the direction of workpiece at it, along around a recessed square aperture (sequence number 14 of Fig. 8), its wall thickness can equate or bigger with helmet body wall is thick.The size of this opening is slightly larger than the filter assembly certain value that will adorn, on workpiece direction dorsad, squeeze out a quadrate shape chamber (sequence number 14 of Fig. 6) by the thick or bigger thickness of helmet body wall, the center in this shape chamber overlaps with square aperture, the height of extruding and the thickness of filter assembly be complementary (sequence number 31 of Fig. 6); Place, nearly angle at an one angle leaves an opening (sequence number 36 of Fig. 6) to be fit to the lead-out wire on the mirror case; The height and position that on any two relative walls, is complementary with filter assembly, 2/5 to 1/3 place that accounts for the whole piece limit apart from each nearly angle has a secondary lob (sequence number 32 of Fig. 6) of carrying the workpiece direction at least, and then on perpendicular direction, in the shape chamber, be formed centrally wedge shape projection (sequence number 33 of Fig. 6), the right angle face of wedge is towards the workpiece direction, and sequence number 32 and sequence number 33 have constituted the fixed wedge (sequence number 38 of Fig. 6) that has stopping function jointly.There are two-stage or multistage depression (sequence number 34 of Fig. 6 and sequence number 35 etc.) in the bottom of Jing Cang to be fit to install additional the requirement of adnexa.Match with Fig. 6, described rebound and/or pressing plate are as shown in Figure 7.

36. pressing plate shown in Figure 7 and/or rebound be one with helmet body on the square structure that is complementary of Jing Cang, its part is for running through the port structure (sequence number of Fig. 7 of whole pressing plate and/or rebound; 39) to expose the operation window on the filter assembly.With Jing Cang on the corresponding position of at least one wedge shape projection (sequence number 38 of Fig. 6) on, form through hole (sequence number 40 of Fig. 7) with quantity such as this at least one wedge shape projection.

37. the positive front of helmet body of the present invention, adopt chin portion than the outside structure of giving prominence to of mirror storehouse front surface the wearer is provided bigger breathing space.Have on the side to match with filter assembly and the hole or the groove (sequence number 18 of Fig. 8, sequence number 22) of corresponding various necessity, or side or circle or its combination.

38. at least one side of helmet body of the present invention, the custom of looking the wearer has a through hole (sequence number 18 of Fig. 8) that can hold the outside regulating handle of filter assembly, thereon, down or left and rightly have at least two holes (sequence number 22 of Fig. 8) to be used for fixing this handle.

39. the front of helmet body of the present invention is positioned at below, mirror storehouse, adopt sphere or nearly spherical structure (sequence number 20 of Fig. 8) to pass through mutually and form perfectly round shape with the side, not only the probability that welding slag can be stained with is fallen and is caused bottom line, more helps strengthening wearer's breathing space to the sphere or the approximate chondritic of outer process.

40. the chin position of helmet body of the present invention, when the wearer carries out weld job, its lower limb has adopted ergonomics structure (sequence number 21 of Fig. 8) and wearer's position, shirtfront fit, prevents to enter in the helmet body the slit between helmet body and human body such as operation flue dust.

41. the headband mechanism (Fig. 9) in the present invention has adopted combination type hinge articulated system.Sequence number 1: nut, sequence number 2: stopping shim, sequence number 3: spacer, sequence number 4: right limit sheet, sequence number 5: pad, sequence number 6: bolt is changeed in resistance, the characteristics that bolt is changeed in resistance be its bottom have one can along on the helmet body with the groove that cooperates do the mechanism that regulation is moved, screw portion is square and is used to prevent that the part that cooperates with this position from rotating, simultaneously, on this quadrate at least one surface, one rectangular structure is arranged along the axis direction of bolt, be used for the part that cooperates with this part is determined direction or setting angle, its length extends to bolt and ends up being threaded portion; Sequence number 7: left limit sheet, sequence number 8: preceding hatband, sequence number 9: head hoop mechanism, sequence number 10: governor motion.Wherein sequence number 5 can not have, and can be at least one yet, increases and decreases in pairs, and the distance that can adjust helmet two side is to adapt to different head dummys.Limited block on sequence number 4 and the sequence number 7 cooperates with sequence number 3, and existing with the bolt axial line is centrage, and the anglec of rotation that has 90 degree along this centrage at least is to realize operating position and off-position two states (Figure 12).Sequence number 2 stopping shims are in the effect of outside, helmet body both sides: retaining and locking: cooperate because of the square column of its structural square hole with resistance commentaries on classics bolt root, come off when preventing that nut from rotating in hatband mechanism thereby make it not produce relative rotation with nut.

42. headband mechanism of the present invention (Fig. 9) has also further constituted home position shown in Figure 12: operating position (W) and off-position (W ').Mainly be to determine by the block on the 41st described spacer (sequence number 3 of Fig. 9) and the left and right sides banking stop (sequence number 4 of Fig. 9 and sequence number 7).

43. the top in the hole that is articulated with headband mechanism on the side of helmet body of the present invention or its rear or its periphery, has a through hole (p1 of Figure 10, p2 and p3 etc.) at least, wherein, at least one (p2 of Figure 10) is used for fixing headband mechanism, and this hole and other at least one hole (p1 of Figure 10 and p3 etc.) constitute micro-adjusting mechanism so that the relative position relation between wearer's binocular sight line and the filter lens surface is adjusted.Wearer's eyes, headband/determined straight line of helmet body hinge are vertical or approximately perpendicular relation with the filter lens surface, and the relation of the position in these holes and helmet body sees Figure 10 for details.Position (visual angle) relation (Figure 10) that the surface of the determined filter assembly of described micro-adjusting mechanism is become with eye sight line is set up the angle position relation by fine setting hole (p1 of Figure 10, p2 and p3 etc.) and the alignment pin on the spacer (sequence number 3 of Fig. 9) jointly together with this fine setting hole on the helmet body.When alignment pin (sequence number 3 of Fig. 9) embedding Figure 10 finely tunes hole p2, just in time promptly this spacer axes O A is parallel with vertical pivot Y with eyeglass/mirror case Surface Vertical (as Figure 10) for the wearer's who is determined by headband eye sight line O ' E, and is vertical with horizontal axis X and form state A; When this alignment pin inserts the fine setting hole p1 of Figure 12, promptly form OA ' axis, determined vertical line O ' the E ' (sight line of operator's eyes O ' thus to the filter assembly surface, OE ' among Figure 10) and form state A ', equally when this alignment pin inserts the fine setting hole p3 of Figure 10, promptly form OA " axis, and therefore determined operator's eyes O ' vertical line O ' E on filter assembly surface then " (sight line, the OE among Figure 10 ") and form state A ".Angle E ' O ' E " angle that constituted is the visual angle, changes alignment pin on the spacer (sequence number 3 of Fig. 9) and fine setting hole p1, p2 and the p3 of Figure 10) matching relationship, can on these three kinds of positions, change the visual angle.The change at visual angle can be passed through loose nut (sequence number 1 of Fig. 9), withdraws from spacer (sequence number 3 of Fig. 9) and locate back fastening nut (sequence number 1 of Fig. 9) again in needed fine setting hole to get final product.

44. any a the present invention can cooperate with the industrial safety medicated cap by adnexa shown in Figure 17 and form distortion (Figure 18), wherein the sequence number 58 of Figure 16 is the industrial safety medicated cap, and Figure 13 is the present invention.The special accessories of allotment of labor industry safety helmet is by left clip (sequence number 62 of Figure 15), right clip (sequence number 61 of Figure 15).The nut (sequence number 1 of Fig. 9) of hatband of the present invention mechanism, right limit sheet (sequence number 4 of Fig. 9), left limit sheet (sequence number 7 of Fig. 9), spacer (sequence number 3 of Fig. 9), resistance are changeed bolt (sequence number 6 of Fig. 9) and are formed new pin-joint mechanism jointly.Be characterized under the prerequisite of all functions that do not change former mechanism, increased the security protection performance that the industrial safety medicated cap is had, thereby to wearer's protection more comprehensively.

45. the 44th described clip is to have the convex-concave structure of gaining in strength on a L shaped steel plate and/or the high-strength plastic flitch one rectangle, form specific hook-shaped through bending, on one certain height of the curved bottom of distance hook, there is the holding screw (sequence number 59 of Figure 16) of the tight usefulness of a voltage supply at the geometric center place of convex-concave structure.Have a complex square hole on its another rectangle structure, sequence number 6 resistances of its shape and Figure 16 are changeed bolt and are matched.

46. the 44th described clip also has one for preventing that the 45th described holding screw from scratching the tabletting (as the sequence number 63 of Figure 17) of the object that is fixed.

On basis of the present invention, can realize distortion shown in Figure 180.

Claims

1. An eye and face protection device for welding. The protection device is composed of a helmet body connected to a headband. It is characterized in that the helmet body rotates around the axis determined by the headband mechanism for the working position and the non-working position. There is a filter assembly adjustment mechanism; the helmet body starts from at least two sides of the mirror compartment that can be equipped with a special filter assembly or passes through a specific transition to a direction perpendicular to its main surface according to a certain thickness The extended and formed cavity that can contain the entire face and the side of the head of the wearer, on the side wall located at the top of the wearer's head and/or the upper part of the front, forms a cylindrical or flat or flat surface upward or downward. Spherical or combined protrusions, there is at least one hole on the side of the helmet body above or behind the hole pivotally connected with the headband mechanism or its periphery, and the helmet body has a spherical or near-spherical structure below the front mirror compartment. The sides intersect to form a round shape.

2. An eye and face protection device for welding according to claim 1, characterized in that the mirror compartment is a square opening recessed along the periphery of the helmet body in the direction of carrying the workpiece on its back, and its wall thickness It can be equal to or slightly larger than the wall thickness of the helmet body. The size of the opening is slightly smaller than a certain value of the filter assembly to be installed. In the direction facing away from the workpiece, a square cavity is extruded according to the wall thickness of the helmet body or a slightly larger thickness. , the center of the square cavity coincides with the opening, the extrusion height matches the filter assembly, and the size of the opening is slightly larger than the filter assembly to be installed.

3. An eye and face protection device for welding according to claim 1, characterized in that the said mirror housing protrudes inside the cavity of the helmet body along its periphery in a direction perpendicular to its main surface. In the direction perpendicular to the protrusion, it is raised again so as to form at least one backstop structure, and on the mirror compartment wall opposite to the at least one backstop structure, there is at least one depression or hole that is aligned with the at least one backstop structure regardless of the radius. Fitting, pressing and/or positioning of transition plates or filters.

4. An eye and face protection device for welding according to claim 1, 2 or 3, characterized in that there is an opening at the near corner of one corner of the mirror compartment, and on any two opposite walls, the height Matched with the mirror box, there is at least one wedge-shaped stop back facing away from the workpiece, and the right-angled side of the wedge faces the front surface of the filter assembly.

5. An eye and face protection device for welding according to claim 4, characterized in that there are at least two through holes on the mirror housing for fixing it, and there is a channel in one direction of the mirror housing for leading wires to The main body of the optical filter assembly, the cavity of the mirror compartment is used to accommodate the parts other than the handle of the regulator, and at least two through holes on the mirror compartment are aligned with at least two corresponding holes on the helmet body; There are at least two anti-retraction mechanisms on the pressing plate, based on at least one circular protrusion of a certain foundation, starting in the direction facing away from the foundation, and increasing in size along the circumference of the at least one circular protrusion in its diameter direction Forming a square or conical or cylindrical or spherical structure, on which increased dimensions or square or conical or cylindrical or spherical structure, starting from its center, towards the base direction, opening at least one through its largest physical Dimensioned / or at least one slot in the circumferential direction of increased dimension from its center, the maximum length of the at least one slot in the direction towards the base does not exceed the increased dimension or square or conical or cylindrical or The height of the structure of the ball; a circular protrusion based on a certain foundation and the structure of the square or cone or cylinder or sphere together constitute the anti-retreat protrusion of the anti-retreat structure; at least two anti-retreat mechanisms on the outer pressure plate respectively press into and pass through at least two holes on the corresponding helmet body and at least two holes on the mirror bin.

6. An eye and face protection device for welding according to claim 1, characterized in that a manual adjustment handle or button is connected outside the helmet.

7. An eye and face protection device for welding according to claim 1, characterized in that the helmet body is provided with a shading number display and at least one dark state, and at least one dark state can be adjusted when there are multiple dark states.

8. An eye and face protection device for welding according to claim 1, characterized in that there are strip-shaped, corrugated and/or straight-shaped protrusions on the side wall of the helmet body and the edge of the side wall.

9. An eye and face protection device for welding according to claim 1, characterized in that the headband mechanism includes nuts, stop gaskets, positioning pieces, left and right limiting pieces, gaskets, stoppers, Turn bolt, front chin strap and headband mechanism.