CN2143486Y - Passive adjustable arc-proof safety electric welding helmet - Google Patents
Passive adjustable arc-proof safety electric welding helmet Download PDFInfo
- Publication number
- CN2143486Y CN2143486Y CN 92244016 CN92244016U CN2143486Y CN 2143486 Y CN2143486 Y CN 2143486Y CN 92244016 CN92244016 CN 92244016 CN 92244016 U CN92244016 U CN 92244016U CN 2143486 Y CN2143486 Y CN 2143486Y
- Authority
- CN
- China
- Prior art keywords
- electric welding
- sunglasses
- described electric
- helmet
- welding flash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims abstract description 30
- 239000011159 matrix material Substances 0.000 claims description 29
- 239000008188 pellet Substances 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims 1
- 230000000638 stimulation Effects 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 210000003128 head Anatomy 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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- Helmets And Other Head Coverings (AREA)
Abstract
Electric welding arc prevention device, its characterized in that: the face guard (2) is respectively connected with a rotary disc (3) connected with the helmet (1) through a fulcrum (11), an upper base body (12) and a lower base body (13) which can be connected with a pull rod (15) of the sunglasses (5) through a connecting rod are arranged in the face guard (2), a pressing rod connected with the pull rod (15) is tangent with a telescopic positioning device, a movable base body (14) connected with a cross rod (21) is arranged below the pull rod (15), and the cross rod (21) is tangent with a chin through a cross piece. The device solves the problems that the hand-held mask and the belt-type fixed mask cause the stimulation of strong light to eyes and skin due to single-hand operation and improper welding, and the defect that the readjustment is needed due to the movement and rolling of a workpiece.
Description
This utility model is a kind of high efficiency safety preventing arc electric welding helmet that can regulate of confession under directions.
Existing preventing arc electric welder's helmet is by a semicircular duricrust, and the rectangular dark sunglasses of one side are arranged therebetween, has one handle to link to each other with duricrust down.Therefore this device has many inconvenience owing to be hand-held in operation, one hand-held face shield when work often, and a hand-held welding gun is by the situation of sunglasses observation welding.Owing to be one-handed performance, when welding,, workpiece is moved or roll because welding rod drives workpiece when on fire, can not correctly weld, perhaps readjust, greatly reduce workpiece efficient.In addition, because electro-welding arc is a kind of extremely strong ultraviolet, people's the eyes and the skin of exposure all there is great injury, often welding rod is on fire too early during operation, face shield has little time to block, cause eyes because the stimulation of high light can not adapt to for the moment, or so circulation causes easily the strong arc light of skin quilt according to hindering.
In order to address these problems, people are trigger that can drive sunglasses of design on hand-held handle.Though this device has solved the welding rod stimulation to eyes and skin on fire too early, but still be unable to do without one-handed performance, so work efficiency still can not be improved.
Another kind is to connect and can actively install on the face shield both sides, is fixed on the head with band, the time can block face with under pulling in welding, again can be with on the hand push and see the workpiece of postwelding clearly after the welding.Though this device has solved the shortcoming of one-handed performance, but before welding, still must be certain about soldered workpiece earlier, before welding rod is on fire, must therefore, still can not solve welding rod with the hands face shield of leaving behind rapidly because of driving the shortcoming that workpiece moves or rolls and permitted to readjust.
The purpose of this utility model provides a kind of high efficiency safety preventing arc electric welding helmet that can regulate, this device is owing to adopted the new equipment that drives sunglasses with chin, improved the harmony of hands and sunglasses, the probability of having been permitted to readjust owing to workpiece movement or rolling when having avoided strong arc light to the stimulation of eyes and skin or welding work pieces, can also second-handly operate simultaneously simultaneously, improved work efficiency.
Sunglasses of the present utility model are to realize closure like this: the connecting rod that links to each other with sunglasses links to each other by last matrix, lower substrate and the active matrix that is connected the chin transverse sheet that can regulate, horizontally under the last matrix of connecting rod stretch a depression bar and a telescopic positioning device is tangent.When chin is drop-down, the transverse sheet drivening rod, connecting rod drives sunglasses again, sunglasses glide, at this moment just can see the situation after the welding clearly, at this moment the depression bar that links to each other with connecting rod is pressed the active matrix in the telescopic positioning device inwards, and the steel in the active matrix colludes just and slides to the B point from the A point by the stairstepping track, as pull on, break away to the B point and retreat to the C point again.At this moment chin can loosen, and can talk.Because track is made up of one-tenth stairsteppings such as A, B, C, D, can not fall back, steel colludes also because the effect of holddown spring can not dislocated yet.At this moment, if chin draws again, collude and slide to the D point from the C point and retreat to the A point again just compress steel, at this moment sunglasses close again, so go round and begin again.
The distance of sunglasses of the present utility model and eyes is to realize like this regulating: design has two rotating disks in many pellets shot from a slingshot hole to be positioned on respectively on the fulcrum that is stretched out by helmet both sides, and the fulcrum of face shield is at the eccentric position of rotating disk.When dial rotation, rotating disk can be pressed design at the pellet shot from a slingshot that has spring of helmet both sides inwards, and rotating disk turns over, and pellet shot from a slingshot is ejected by spring again and blocks next pellet shot from a slingshot hole, and rotating disk is stuck again.Because it is eccentric connecting the fulcrum of face shield on the rotating disk, therefore can drives face shield and regulate arbitrarily, to adapt to the various shape of face.
The helmet of the present utility model be realize so fixing overhead: by stretching out two bands in the back strap loop that connects the helmet, respectively with the side-line band in the band that stretches out become the handing-over of " fourth " word, can be connected to then below the chin and join.The helmet was fixed on the head, and can not have influenced the activity of chin.
Transverse sheet of the present utility model is what to realize like this with the distance of eyes: the cross bar continuous with transverse sheet is connected active matrix, and a set screw is arranged in the active matrix.When screw was loosening, active matrix just can glide and rise, and so just can regulate the distance of eyes and chin arbitrarily, has adapted to the various shape of face.When set screw screwed again, active matrix just had been fixed on the bottom of pull bar again.
This utility model is owing to settle eccentric adjustable new equipment that drives sunglasses with chin with the fixed helmet, replaced hand-held and with the movable face shield of band on the fixing head, solved the movable face shield of hand shield and bead flippering because one-handed performance and the improper strong arc light that causes of welding, reach the shortcoming of being permitted to readjust because of workpiece movement and rolling to the stimulation of eyes and skin.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is an elevational cross-sectional view of the present utility model.
Fig. 2 is a side view cutaway drawing of the present utility model.
Fig. 3 is a vertical view cutaway drawing of the present utility model.
Fig. 4 is that this utility model telescopic positioning device is put twice side view cutaway drawing.
Fig. 5 is that this utility model telescopic positioning device is put twice vertical view cutaway drawing.
Fig. 6 is that this utility model telescopic positioning device is put twice upwarding cutaway view.
Describe details and working condition in detail below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 according to the concrete device that the utility model proposes.
This device has two rotating rotating disks (3) that are positioned on respectively on the fulcrum (10) that is stretched out by the helmet (1) both sides, connect face shield (2) by eccentric fulcrum (11), the design of face shield (2) lining has two the last matrix (12) and lower substrates (13) that can pass through pull bar (15), reaching a design has the active matrix (14) of set screw (17), active matrix (14) links to each other with cross bar (21), and cross bar (21) has a transverse sheet (16) and chin to join.When chin drop-down and when driving transverse sheet (16) and connecting the pull bar (15) of sunglasses (5), sunglasses (5) downslide injections (22), at this moment just can see the situation after the welding clearly, at this moment the depression bar that links to each other with pull bar (15) is compressed into the big matrix (23) that is fixed on face shield (2) lining to the active matrix (24) in the device of position, flexible back, the steel of active matrix (24) lining colludes (26) and just slides to the B point from the A point by rank a kind of thick silk shape tracks (28), as pull on and then slide to the B point, chin relaxes and retreats to the C point under the effect of coil tension spring (25).At this moment sunglasses (5) close again, and transverse sheet (16) is far away from chin again, therefore can talk again.Draw as chin, at this moment steel colludes (26) and returns the A point again just slide to the D point from the C point under the effect of coil tension spring (25) again, and sunglasses (5) close again, so circulation.Spark directly splashes on the sunglasses in order to prevent to weld, and the visual field is unclear, the spy pacifies a flat glass (4) again in picture frame (18) lining, blocked the spark that splashes on the sunglasses (5) (6), be the developing visual field, sunglasses of the present utility model (5) (6) close enclosed for the two sides, and top sunglasses (6) are fixed.
Sunglasses of the present utility model (5) (6) are to implement like this with the distance of eyes: when design has the rotating disk (3) in many pellets shot from a slingshot hole (9) to rotate, the pellet shot from a slingshot that spring (7) are housed (8) that is positioned on the helmet (1) lining is pressed inwards, rotating disk (3) turns over, pellet shot from a slingshot (8) is blocked the next pellet shot from a slingshot hole (9) of rotating disk (3) lining again by spring (7) release, rotating disk (3) is stuck again.Since the fulcrum (11) of movable face shield (2) be around the central pivot point (10) of rotating disk (3) for eccentric rotary, therefore can regulate the distance of sunglasses (5) (6) and eyes arbitrarily.
The helmet of the present utility model (1) is that realization like this is fixing overhead: the movable strap loop (19) that connects the helmet (1) rear portion, the movable strap loop (20) of both sides passes a band (not drawing among the figure) to the left and right respectively, become the handing-over of " fourth " font with the band that stretch out side-line band (20) lining, can be connected to below the chin then.Can make the helmet (1) be fixed on the activity that chin was gone up and don't influenced to head like this.
Telescopic positioning device of the present utility model is to implement like this: this device has a big matrix (23) that movable little matrix (24) is housed, and big matrix (23) rear portion has one tightly to push down the holddown spring (27) that steel colludes (26).When little matrix (24) when big matrix (23) lining is movable, the steel that little matrix (24) lining is stretched at big matrix (23) rear portion colludes (26) and just slides to the B point from the A point of rank a kind of thick silk shape tracks (28), then slide to the B point as pulling at again, under the effect of coil tension spring (24), retreat to the C point again.At this moment little matrix (24) is just firmly fixed, and steel colludes (26) just slip over the D point from the C point as exerting oneself then again, retreats to the A point under the effect of coil tension spring (25) again, so goes round and begins again.Because rank a kind of thick silk shape tracks (28) become rank a kind of thick silk shape to form by A, B, C, D point, therefore can not fall back, can only slide successively along A, B, C, D point, steel colludes (26) and also can not dislocate owing to the effect of holddown spring (27).
Transverse sheet of the present utility model (16) is a distance of implementing transverse sheet (16) and eyes like this: the cross bar (21) that links to each other with transverse sheet (16) is connected active matrix (14), there is a set screw (17) active matrix (14) centre.When set screw (17) was loosening, the active matrix (14) that is connected in pull bar (15) bottom just can glide or rise, and so just can regulate the distance of transverse sheet (16) and eyes arbitrarily, had adapted to the various shape of face.When set screw (17) when screwing again, active matrix (14) just has been fixed on pull bar (15) bottom again.
Claims (9)
1, electric welding flash guard, this device has a semicircular duricrust, sunglasses are arranged therebetween, the bottom has one to hold handle and link to each other with duricrust, the one movable trigger that can drive sunglasses is arranged on the handle, it is characterized in that: face shield (2) has the rotating disk (3) in many pellets shot from a slingshot hole (9) to link to each other by eccentric fulcrum (11) and the design that is connected the helmet (1) respectively, face shield (2) lining has respectively can have the depression bar of a cylinder lever connecting rod (15) and a telescopic positioning device tangent by connecting the last matrix (12) and the lower substrate (13) of sunglasses (5) pull bars (15) under the last matrix (12).Pull bar (15) bottom has one by the continuous adjustable substrate (14) that has set screw (17) of cross bar (21), and cross bar (21) has a transverse sheet (16) and chin to join.
2, according to the described electric welding flash guard of claim (1), it is characterized in that: sunglasses (6) are fixed on picture frame (18) lining.
3, according to claim (1) or (2) described electric welding flash guard, it is characterized in that: sunglasses (5) (6) close enclosed for the two sides.
4, according to the described electric welding flash guard of claim (3), it is characterized in that: there is a clear glass (4) picture frame (18) lining.
5, according to the described electric welding flash guard of claim (1), it is characterized in that: there is mobilizable pellet shot from a slingshot (8) helmet (1) both sides.
6, according to the described electric welding flash guard of claim (5), it is characterized in that: a spring (7) of pellet shot from a slingshot (8) the inside.
7, according to claim (1) or (6) described electric welding flash guard, it is characterized in that: pellet shot from a slingshot (8) is tangent with pellet shot from a slingshot hole (9).
8, according to claim (5) or (6) described electric welding flash guard, it is characterized in that: there is a back strap loop (19) at the helmet (1) rear portion.
9, according to claim (1) or (6) described electric welding flash guard, it is characterized in that: respectively there is a side-line band (20) helmet (1) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244016 CN2143486Y (en) | 1992-12-05 | 1992-12-05 | Passive adjustable arc-proof safety electric welding helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92244016 CN2143486Y (en) | 1992-12-05 | 1992-12-05 | Passive adjustable arc-proof safety electric welding helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2143486Y true CN2143486Y (en) | 1993-10-13 |
Family
ID=33783393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92244016 Expired - Fee Related CN2143486Y (en) | 1992-12-05 | 1992-12-05 | Passive adjustable arc-proof safety electric welding helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2143486Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102781521A (en) * | 2010-03-10 | 2012-11-14 | 3M创新有限公司 | Respirator harness having collapsible head cradle |
-
1992
- 1992-12-05 CN CN 92244016 patent/CN2143486Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102781521A (en) * | 2010-03-10 | 2012-11-14 | 3M创新有限公司 | Respirator harness having collapsible head cradle |
| CN102781521B (en) * | 2010-03-10 | 2015-05-06 | 3M创新有限公司 | Respirator harness having collapsible head cradle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |