CN208942561U - A kind of wear-type welding face guard - Google Patents

Abstract

The utility model discloses a kind of wear-type welding face guards, mask shell including being equipped with protective glasses, headband, connect the angle adjustment device of mask shell and headband, angle adjustment device includes the rotatable activity point of view piece on headband, fixed angle piece on mask shell, elastic positioning pin between activity point of view piece and fixed angle piece, one end of fixed angle piece is equipped with multiple limiting slots, the corresponding one end of elastic positioning pin is plunger, plunger insertion is detached from limiting slot, pass through the rotation of plunger and the cooperation limitation activity point of view piece of limiting slot.Wear-type welding face guard provided by the utility model passes through rotation angle adjustment device, welder can be after wearing wear-type welding face guard, directly adjust the angle between protective glasses and human eye, it is simple and convenient, it avoids frequent mask of completing and removes-dismounting-process for adjusting-assembling, both it can effectively improve working efficiency, also improve the usage experience of welder.

Description

A kind of wear-type welding face guard

Technical field

The utility model relates to be welded protection technique field, and in particular to a kind of wear-type welding face guard.

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.Common wear-type welding mask includes the mask shell for being equipped with protective glasses, fixation In headband and regulating device on the mask shell and for welder's wearing, since the head dummy difference of welder is with individual's Use habit is different, and the regulating device voluntarily adjusts the mask shell for welder, so that protective glasses is relative to welder's Eyes are with suitable distance and angle.

But, it when adjusting the angle between protective glasses and welder's eyes, is typically necessary and welds existing wear-type Protective face mask is removed from the head of welder, is then manually adjusted between protective glasses and welder's eyes by dismantling regulating device again Angle, after the completion of adjusting, then regulating device ressembled, process is very cumbersome；And when welder wears wear-type welding After protective face mask, if the angle between protective glasses and eyes is improper, welder's eye can not be directly adjusted while wearing mask Angle between eyeball and protective glasses needs to complete to remove again-dismounting-process for adjusting-assembling, and reduces working efficiency, also greatly Usage experience is affected greatly.

In addition, existing regulating device span when adjusting angle is all bigger, adjust span be generally 10~15 ° it Between, accuracy is not high, further influences the usage experience of welder.

Therefore it is badly in need of developing the new wear-type welding face guard of one kind to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of wear-type welding face guards, for solving existing wear-type weldering It is big so that reducing to take over control angle, the adjusting span of angle that face shield can not be directly adjusted when wearing between protective glasses and eyes Working efficiency influences the problem of usage experience.

To achieve the goals above, the utility model provides the following technical solutions: a kind of wear-type welding face guard, Including being equipped with the mask shell of protective glasses, the angle adjustment device of headband and the connection mask shell and headband, wherein The angle adjustment device includes the rotatable activity point of view piece on the headband, consolidating on the mask shell Determine angle piece and the elastic positioning pin between the activity point of view piece and fixed angle piece, the fixed angle piece One end is equipped with multiple limiting slots, and the corresponding one end of the elastic positioning pin is plunger, the plunger insertion or is detached from the limit Slot limits the rotation of the activity point of view piece by the cooperation of the plunger and limiting slot；The elastic positioning pin is stirred, institute is made State plunger and be detached from the limiting slot, rotate the activity point of view piece, the mask shell is driven to rotate, adjust the protective glasses with Angle between human eye；The elastic positioning pin is unclamped, the plunger is acted on by elastic force to be resetted, and the limiting slot is inserted into, described Activity point of view piece can not rotate.

Preferably, the elastic positioning pin includes the fixing end for being fixed on the activity point of view piece, plunger and connection institute State the struck side of fixing end and plunger, the activity point of view on piece is equipped with through-hole, and the struck side is by the through-hole to described Expose in the direction of headband.

Preferably, the struck side is U-shaped or column type.

Preferably, when the struck side is U-shaped, the elastic positioning pin further includes from the struck side and the fixing end And/or the elastic arm that the part of the plunger connection extends internally.

Preferably, the fixing end is undaform or tabular.

It preferably, is in continuous S type wave or Z-type wave when the fixing end is undaform.

Preferably, when the fixing end is in the form of a column, the elastic positioning pin further includes spring, and the activity point of view piece is in institute Through hole is stated equipped with positioning column corresponding with the spring, one end of the spring is sheathed on the fixing end, and the other end is arranged In the positioning column.

Preferably, the activity point of view piece is equipped with baffle in the through hole, and the through-hole and the baffle form groove, The fixing end is set in the groove.

Preferably, the angle adjustment device further include pedestal on the headband and with the base engagement The locking knob of the fixed mask shell, the activity point of view piece and fixed angle piece are located in the pedestal and locking knob Between.

Preferably, the pedestal is equipped with limited post, and the activity point of view on piece is equipped with turn over corresponding with the limited post Turn limiting slot, the limited post enters the overturning limiting slot, to limit the angle between the protective glasses and human eye.

Compared with the prior art, wear-type welding face guard described in the utility model has the advantage that

Wear-type welding face guard provided by the utility model can wear head by rotation angle adjustment device, welder After wearing formula welding face guard, the angle between protective glasses and human eye is directly adjusted, it is simple and convenient, avoid frequent finished surface Cover removes-dismounting-process for adjusting-assembling and both can effectively improve working efficiency, also improves the usage experience 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 practical to this Novel limitation.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the wear-type welding face guard of preferred embodiment one provided by the utility model；

Fig. 2 is the decomposition texture schematic diagram of angle adjustment device in wear-type welding face guard shown in Fig. 1；

Fig. 3 is the structural schematic diagram of activity point of view piece in wear-type welding face guard shown in Fig. 2；

Fig. 4 is the structural schematic diagram of fixed angle piece in wear-type welding face guard shown in Fig. 2；

Fig. 5 is the structural schematic diagram of elastic positioning pin in wear-type welding face guard shown in Fig. 2；

Fig. 6 is the structural schematic diagram in wear-type welding face guard shown in Fig. 2 before angle adjustment device adjusting；

Fig. 7 is the structural schematic diagram in wear-type welding face guard shown in Fig. 2 after angle adjustment device adjusting；

Fig. 8 is the structural schematic diagram of the elastic positioning pin of preferred embodiment two provided by the utility model；

Fig. 9 is the structural schematic diagram of the elastic positioning pin of preferred embodiment three provided by the utility model；

Figure 10 is the structural schematic diagram of the angle adjustment device of preferred embodiment four provided by the utility model；

Figure 11 is the decomposition texture schematic diagram of angle adjustment device shown in Figure 10.

Appended drawing reference

1- mask shell, 11- protective glasses,

12- notch, 2- headband,

3- angle adjustment device, 31- pedestal,

311- screwed pipe, 312- limited post,

32- activity point of view piece, 321- through-hole,

322- baffle, 323- groove,

324- overturning limiting slot, 325- positioning column,

33- fixed angle piece, 331- limiting slot,

332- protrusion, 34- elastic positioning pin,

341- fixing end, 342- plunger,

The struck side 343-, 344- elastic arm,

345- spring, 35- locking knob,

36- tabletting.

Specific embodiment

The utility model provides many applicable creative concepts, which can be reflected in a large number of specifically Context in.The specific embodiment described in following the embodiments of the present invention is only used as the tool of the utility model The exemplary illustration of body embodiment, without constituting the limitation to the scope of the utility model.

The utility model will be further described with specific embodiment with reference to the accompanying drawing.

Embodiment one

As shown in Figures 1 and 2, Fig. 1 is the wear-type welding face guard of preferred embodiment one provided by the utility model Structural schematic diagram；Fig. 2 is the decomposition texture schematic diagram of angle adjustment device in wear-type welding face guard shown in Fig. 1.This Embodiment provides a kind of wear-type welding face guard, and the wear-type welding face guard includes the mask equipped with protective glasses 11 The angle adjustment device 3 of shell 1, headband 2 and the connection mask shell 1 and headband 2, when welder is worn by the headband 2 After wearing (fixation) described wear-type welding face guard, the angle adjustment device 3 is for adjusting the protective glasses 11 and welder Angle between eyes.

Main body of the mask shell 1 as the wear-type welding face guard, in being equipped within sweep of the eye for welder Protective glasses 11, the protective glasses 11 provides the maximum window for observation for welder, and provides protection for the eyes of welder.

When the headband 2 wears the wear-type welding face guard for welder, the mask shell 1 is fixed on weldering The head of work.

As shown in Fig. 2, the angle adjustment device 3 includes the pedestal 31 being set on the headband 2, is set to the pedestal 31 On rotatable activity point of view piece 32, the fixed angle piece 33 on the mask shell 1, be set to the activity point of view piece Elastic positioning pin 34 between 32 and fixed angle piece 33 and the lock with the fixed mask shell 1 of the pedestal 31 cooperation Tight knob 35, the activity point of view piece 32, elastic positioning pin 34, fixed angle piece 33 are located in the pedestal 31 and locking knob Between 35, the activity point of view piece 32 is set on the headband 2 by the pedestal 31；Rotating the activity point of view piece 32 makes it It is rotated relative to the fixed angle piece 33, the mask shell 1 is driven to rotate, to wear the wear-type welding in welder Play the role of adjusting the angle between the protective glasses 11 and welder's eyes in the case where protective face mask.

As shown in Fig. 2, the pedestal 31 is equipped with screwed pipe 311, the activity point of view piece 32, fixed angle piece 33 are successively It is arranged the screwed pipe 311, the mask shell 1 is equipped with notch 12, and the screwed pipe 311 is again through the mask shell 1 Notch 12, the locking knob 35 are threadedly coupled with the screwed pipe 311, rotate the locking knob 35, by the angle tune Regulating device 3 and the mask shell 1 are fixed.

Further, the angle adjustment device 3 further includes being located in the mask shell 1 and the locking knob 35 Between tabletting 36,36 inner hollow of tabletting, be equipped with a mounting hole, the screwed pipe 311 run through the tabletting 36, it is described Tabletting 36 is installed on the notch 12 of the mask shell 1, and the locking knob 35 is cooperated to compress the mask shell 1, so that The mask shell 1 stronger stabilization fixed with the angle adjustment device 3, globality are stronger.

As shown in Figures 2 and 3, wherein Fig. 3 is the structure of activity point of view piece in wear-type welding face guard shown in Fig. 2 Schematic diagram.The activity point of view piece 32 can rotate, and which is provided with through-hole 321, the 34 part (struck side of elastic positioning pin 343) exposed by the through-hole 321 to the direction of the headband 2；To prevent 32 rotation angle of activity point of view piece from spending greatly, The pedestal 31 is equipped with limited post 312, and the activity point of view piece 32 is limited equipped with overturning corresponding with the limited post 312 Slot 324, the limited post 312 enter in the overturning limiting slot 324, limit the angle between the protective glasses 11 and human eye.

As shown in Figures 2 and 4, wherein Fig. 4 is the structure of fixed angle piece in wear-type welding face guard shown in Fig. 2 Schematic diagram.One end of the fixed angle piece 33 is sheathed on the screwed pipe 311, and the other end is equipped with multiple limiting slots 331, institute It states limiting slot 331 and is formed in the fixed angle piece 33 towards the two neighboring protrusion on the surface of the activity point of view piece 32 332 centre, described raised 332 from the fixed angle piece 33 towards the surface of the activity point of view piece 32 to close to the work The direction of dynamic angle piece 32 extends to form, and multiple described raised 332 are arranged at intervals at one end of the fixed angle piece 33, separate The screwed pipe 311, intermediate distance is longer, and described raised 332 have enough intensity, facilitates processing and forming.

As shown in figures 2 and 5, wherein Fig. 5 is the structure of elastic positioning pin in wear-type welding face guard shown in Fig. 2 Schematic diagram.The material of the elastic positioning pin 34 is plastic cement, has elasticity comprising be fixed on consolidating for the activity point of view piece 32 Fixed end 341, plunger 342 and the struck side 343 for connecting the fixing end 341 and plunger 342.

As shown in figure 3, the fixing end 341 is used to the elastic positioning pin 34 being fixed on the activity point of view piece 32 Interior, the activity point of view piece 32 is equipped with baffle 322 at the through-hole 321, and the through-hole 321 and the baffle 322 form recessed Slot 323, the fixing end 341 are set in the groove 323, and the struck side 343 passes through the through-hole 321 to the headband 2 Direction expose.The fixing end 341 is undaform, tabular or column, and in the present embodiment, the fixing end 341 is flat Plate, structure are simple.

The plunger 342 is corresponding with the limiting slot 331 of the fixed angle piece 33, the insertion of plunger 342 or disengaging institute Limiting slot 331 is stated, the plunger 342 limits the rotation of the activity point of view piece 32 when being inserted into the limiting slot 331, specifically, The plunger 342 and the shape of the limiting slot 331 are adapted, described when the plunger 342 is inserted into the limiting slot 331 Activity point of view piece 32 can not rotate again；When the plunger 342 is detached from the limiting slot 331, the activity point of view piece 32 rotates To change the angle between the protective glasses 11 and welder's eyes.

In the present embodiment, the plunger 342 is rectangle, and the limiting slot 331 also mutually should be rectangle, certainly, In other embodiments, the plunger 342 can also be the various shapes such as pentalpha, polygon, and the limiting slot 331 is corresponding Change,

The struck side 343 is U-shaped or column type, and in the present embodiment, the struck side 343 is U-shaped, and elasticity is good, welder The struck side 343 is stirred, changes the position of the plunger 342 by elastic compression.

Further, when the struck side 343 is U-shaped, the elastic positioning pin 34 further include from the struck side 343 with The elastic arm 344 that the part that the fixing end 341 and/or the plunger 342 connect extends internally, it is in the present embodiment, described The quantity of elastic arm 344 is two, and one is extended internally by the part connecting from the struck side 343 with the fixing end 341, Another extends internally from the part that the struck side 343 is connect with the plunger 342, and the elastic arm 344 can be further Enhance the elasticity of the struck side 343.

As shown in FIG. 6 and 7, wherein Fig. 6 is that angle adjustment device is adjusted in wear-type welding face guard shown in Fig. 2 Preceding structural schematic diagram；Fig. 7 is the structural representation in wear-type welding face guard shown in Fig. 2 after angle adjustment device adjusting Figure.Welder wears the wear-type welding face guard, and the plunger 342 is inserted in one of the limiting slot 312, the work Dynamic angle piece 32 can not be rotated relative to the fixed angle piece 33；Welder stirs the struck side 343 of the elastic positioning pin 34, 343 elastic shrinkage of struck side of the elastic positioning pin 34, the plunger 342 are detached from the limiting slot 312, rotate the activity Angle piece 32 rotates it relative to the fixed angle piece 33, adjusts the angle between the protective glasses 11 and human eye；It adjusts It completes, unclamps the struck side 343 of the elastic positioning pin 34, the plunger 342 is acted on multiple by the elastic force of the struck side 343 Position, is inserted into the neighbouring limiting slot 312, and the activity point of view piece 32 can not be rotated relative to the fixed angle piece 33, leads to The angle adjustment device 3 is crossed, welder can directly adjust the protective glasses 11 after wearing the wear-type welding face guard It is simple and convenient with the angle between welder's eyes, it avoids frequent mask of completing and removes-dismounting-process for adjusting-assembling, Both it can effectively improve working efficiency, also improve the usage experience of welder.

In the present embodiment, 32 angle rotatable of activity point of view piece is ± 15 °, specifically, with the activity point of view The home position of piece 32 is 0 grade, and each 15 ° of the rotation in left and right is respectively equipped with 3 regulation stalls, and every grade of span is 5 °, altogether 7 tune Gear is saved, certainly, the gear of the angle adjustment device 3 is not limited to 7, is also possible to 3~10, every grade of span is also unlimited In being 5 °, it can be 3 °~10 °, the gear and gear span of the angle adjustment device 3 can be welded according to the wear-type To take over control face shield corresponding with the initial angle progress that welder wears to design；Adjusting shelves of 10 °~15 ° compared to existing product Position, the angle adjustment device 3 provided in this embodiment improve degree of regulation 25%~50%, real with smaller gear span The fine tuning of existing angle, adjusting it is more accurate, further improve the wearing experience of the wear-type welding face guard.

It should be noted that the angle adjustment device 3 is two, it is respectively symmetrically set to the two sides of the mask shell 1.

Embodiment two

As shown in figure 8, Fig. 8 is the structural schematic diagram of the elastic positioning pin of preferred embodiment two provided by the utility model. The difference for the wear-type welding face guard that wear-type welding face guard provided in this embodiment and embodiment one provide Be only that: the elastic positioning pin 34 does not have elastic arm 344, and the struck side 343 is in column type, and the fixing end 341 is wave It is in continuous S type wave when type, when stirring the struck side 343,341 elastic shrinkage of fixing end, the plunger 342 It is detached from the limiting slot 331, when unclamping the struck side 343, the plunger 342 is acted on by the elastic force of the fixing end 341 It resets, is inserted into the limiting slot 331, the fixing end 341 is undaform, and structure is simplified, elasticity is strong.

Embodiment three

As shown in figure 9, Fig. 9 is the structural schematic diagram of the elastic positioning pin of preferred embodiment three provided by the utility model. The difference for the wear-type welding face guard that wear-type welding face guard provided in this embodiment and embodiment one provide Be only that: the elastic positioning pin 34 does not have elastic arm 344, and the struck side 343 is in column type, and the fixing end 341 is wave It is in continuous Z-type wave when type, plays the role of elastic shrinkage and elastic reset, structure is simplified, elasticity is strong.

Example IV

As shown in Figures 10 and 11, wherein Figure 10 is that the angular adjustment of preferred embodiment four provided by the utility model fills The structural schematic diagram set；Figure 11 is the decomposition texture schematic diagram of angle adjustment device shown in Figure 10, it should be noted that Tu10Ji Activity point of view piece, elastic positioning pin and the fixed angle piece in angle adjustment device are illustrated only in Figure 11.The present embodiment provides The wear-type welding face guard and embodiment one wear-type welding face guard that provides the difference is that only: it is described solid Fixed end 341 is in the form of a column, and the elastic positioning pin 34 further includes spring 345, and the activity point of view piece 32 cancels baffle 322, in institute It states and is equipped with positioning column 325 corresponding with the spring 345 at through-hole 321, one end of the spring 345 is sheathed on the fixing end 341, the other end is sheathed on the positioning column 325, and in the present embodiment, the spring 345 plays elastic shrinkage and elastic reset Effect.

The utility model is limited it should be noted that above-described embodiment illustrates rather than the utility model System, and those skilled in the art can be designed alternative embodiment without departing from the scope of the appended claims.? In claim, any reference symbol between parentheses should not be configured to limitations on claims.Word "comprising" Element or step not listed in the claims is not excluded the presence of.

Claims (10)

1. a kind of wear-type welding face guard, which is characterized in that it includes mask shell (1), head equipped with protective glasses (11) The angle adjustment device (3) of band (2) and the connection mask shell (1) and headband (2), wherein

The angle adjustment device (3) includes the rotatable activity point of view piece (32) being set on the headband (2), set on described It fixed angle piece (33) on mask shell (1) and is set between the activity point of view piece (32) and fixed angle piece (33) Elastic positioning pin (34), one end of the fixed angle piece (33) is equipped with multiple limiting slots (331), the elastic positioning pin (34) corresponding one end is plunger (342), and the plunger (342) is inserted into or is detached from the limiting slot (331), passes through the plunger (342) and the cooperation of limiting slot (331) limits the rotation of the activity point of view piece (32)；

The elastic positioning pin (34) are stirred, so that the plunger (342) is detached from the limiting slot (331), rotates the movable corner It spends piece (32), drives the mask shell (1) to rotate, adjust the angle between the protective glasses (11) and human eye；Described in release Elastic positioning pin (34), the plunger (342) is acted on by elastic force to be resetted, and is inserted into the limiting slot (331), the activity point of view piece (32) it can not rotate.

2. wear-type welding face guard according to claim 1, which is characterized in that the elastic positioning pin (34) includes It is fixed on fixing end (341), plunger (342) and the connection fixing end (341) and the plunger of the activity point of view piece (32) (342) struck side (343), the activity point of view piece (32) are equipped with through-hole (321), and the struck side (343) passes through described Expose in the direction of through-hole (321) Xiang Suoshu headband (2).

3. wear-type welding face guard according to claim 2, which is characterized in that the struck side (343) it is U-shaped or Column type.

4. wear-type welding face guard according to claim 3, which is characterized in that the struck side (343) is U-shaped When, the elastic positioning pin (34) further includes from the struck side (343) and the fixing end (341) and/or the plunger (342) elastic arm (344) that the part connected extends internally.

5. wear-type welding face guard according to claim 2, which is characterized in that the fixing end (341) is wave Type, tabular or column.

6. wear-type welding face guard according to claim 5, which is characterized in that the fixing end (341) is wave It is in continuous S type wave or Z-type wave when type.

7. wear-type welding face guard according to claim 5, which is characterized in that the fixing end (341) is in the form of a column When, the elastic positioning pin (34) further includes spring (345), and the activity point of view piece (32) is equipped at the through-hole (321) One end of positioning column (325) corresponding with the spring (345), the spring (345) is sheathed on the fixing end (341), separately One end is sheathed on the positioning column (325).

8. wear-type welding face guard according to claim 2, which is characterized in that the activity point of view piece (32) is in institute It states and is equipped with baffle (322) at through-hole (321), the through-hole (321) and the baffle (322) form groove (323), the fixation (341) are held to be set in the groove (323).

9. wear-type welding face guard according to claim 1, which is characterized in that the angle adjustment device (3) is also Lock including the pedestal (31) being set on the headband (2) and with the fixed mask shell (1) of the pedestal (31) cooperation Tight knob (35), the activity point of view piece (32) and fixed angle piece (33) are located in the pedestal (31) and locking knob (35) Between.

10. wear-type welding face guard according to claim 9, which is characterized in that the pedestal (31) is equipped with limit Position column (312), the activity point of view piece (32) is equipped with overturning limiting slot (324) corresponding with the limited post (312), described Limited post (312) enters the overturning limiting slot (324), to limit the angle between the protective glasses (11) and human eye.