CN2557111Y - Safety protector for welder - Google Patents
Safety protector for welder Download PDFInfo
- Publication number
- CN2557111Y CN2557111Y CN 02272225 CN02272225U CN2557111Y CN 2557111 Y CN2557111 Y CN 2557111Y CN 02272225 CN02272225 CN 02272225 CN 02272225 U CN02272225 U CN 02272225U CN 2557111 Y CN2557111 Y CN 2557111Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- fixed
- helmet
- wheel hub
- eyeshield
- 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
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Abstract
The utility model relates to the technical filed of welding operation protective tools, in particular to a welding safety protective tool with the automatic control performance. The utility model is realized by the following technical proposal: the utility model includes a helmet and a welding gun, a goggle is arranged on the helmet, the interior of the welding gun is equipped with a signal transmitter, and the interior of the goggle is provided with a signal receiver, a motor rotating shaft which is driven by a motor, a return rotating shaft which is driven by a return spring and a dichromated gelatin film which is connected between the motor rotating shaft and the return rotating shaft. The signal transmitter which is arranged in the welding gun and the signal receiver which is arranged in the helmet are matched mutually by using the structure, the utility model can trigger a control mechanism in the goggle when in contact of a welding strip and a welded object, the dichromated gelatin film can be changed into the dark color from the transparent color by the elastic force of the return spring, when the welding strip leaves the welded object, the signal transmitter which is arranged in the welding gun stops the signal transmission, the signal receiver in the helmet can drive the motor immediately, so as to pull the dark color of the dichromated gelatin film back to the transparent color.
Description
Technical field:
This utility model relates to electric welding operation protector technical field, refers in particular to a kind of electric welding Safety protector with automatic control performance.
Background technology:
The electric welding protector is in order to protect operator's head, mainly is that the high light that produces when protecting eyes not welded injures, and the spark that can not be splashed burn.At present, the used electric welding protector in general work workshop is relatively simple for structure, and it mainly is made of face shield and handle, and is provided with non-discoloring sunglasses on face shield.User is when operation, and one holds the handle of mask, the another hand torch.Welding rod on welding gun contacts with soldered object, and when sending high light, the reuse protector covers head, is observed the situation of welding by the sunglasses on the protector.Adopt this mode of operation, though very of short duration in the time that protector is covered head, because the operator is operated in the stimulation that constantly suffers this high light every day, injured eyes virtually, serious will injure retina.In addition because the noise in workshop is bigger, pollute also relatively more serious in the air, particularly in the process of welding, because welding rod need add scaling powder, it can produce toxic gas when burning, the operator sucks toxic gas at every turn, with the passing of time easily produces pathological changes, serious harm staff healthy.And present electric welding protector structure is very simple, can't compare comprehensive protection to the operator at all.
Summary of the invention:
The purpose of this utility model is to provide a kind of electric welding Safety protector that has automatic control performance, general protection can be provided.
This utility model is achieved by the following technical solution: it comprises the helmet and welding gun, the helmet is provided with eyeshield, one signal projector is installed in the welding gun, is provided with signal receiver, the electric rotation shaft that can drive by motor in the eyeshield, can returns the power rotating shaft and be connected electric rotation shaft and return dichromated gelatin film between the power rotating shaft by what return spring drove.
Described eyeshield mainly comprises: brake, electric rotation shaft, time power rotating shaft, wherein brake is made of fixed support, spring, axis, bar magnet, end cap and gear, brake is fixed on the outer casing stand of eyeshield by fixed support, solenoid is wrapped on the fixed support, the bar magnet fixed cover is located on the axis, the cross section of axis upper end is a semicircle, in the semicircle draw-in groove that its inlay card is offered on fixed support, the lower end of axis is fixed with a gear, end cap is fixed on support bracket fastened lower end by being threaded, spring is connected between fixed support and the bar magnet; Electric rotation shaft is made of rotating shaft, wheel hub, gear, and wheel hub is fixed in the rotating shaft, and gear is fixed on the wheel hub, and an end of rotating shaft is movably connected on the outer casing stand of eyeshield, and mode is not connected the other end to have in relative rotation with motor; Return the power rotating shaft and be made of rotating shaft, wheel hub, wheel hub is fixed in the rotating shaft, and an end of rotating shaft is movably connected on the outer casing stand of eyeshield, and the other end is connected with return spring; Gear and gear are meshing with each other; The two ends inlay card of film at the wheel hub of electric rotation shaft and return the jack offered on the wheel hub of power rotating shaft and in.
Be provided with the audition hole in helmet ear position, be provided with filter and be provided with the fire prevention door curtain made of cloth in the hindbrain position at its mouth position.
After adopting this structure, the signal projector that is located at welding gun inside cooperatively interacts with the signal receiver that is located at inner helmet, can be when welding rod contacts with soldered object, trigger the controlling organization in the eyeshield, elastic force by return spring changes dichromated gelatin film into mass colour by transparent color, when welding rod leaves soldered object, signal projector in the welding gun stops emission signal, signal receiver in the helmet is CD-ROM drive motor immediately, there is mass colour to be returned to transparent color dichromated gelatin film, and this moment, return spring also tightened up in driving following time of motor, the potential energy when savings triggers next time.Be provided with the sealed audition hole of anti-high-decibel noise in addition at helmet ears position, but breathing position poisonous smog when being provided with filtering welding, and be provided with the fire prevention door curtain made of cloth, to prevent to burn the cervical region of burning at the rear of protector.
Description of drawings:
Below in conjunction with accompanying drawing this utility model is further described:
Fig. 1 is the structural representation of this utility model helmet;
Fig. 2 is the structural representation of this utility model eyeshield inside;
Fig. 3 is the three-dimensional exploded view of this utility model brake;
Fig. 4 is the three-dimensional exploded view of this utility model electric rotation shaft;
Fig. 5 is the exploded view of trying hard to that this utility model returns the power rotating shaft;
Fig. 6 is the sketch map of this utility model dichromated gelatin film;
Fig. 7 is the structural representation of this utility model welding gun inside.
The specific embodiment:
See accompanying drawing 1～7, this utility model comprises: the helmet 1 and welding gun 2, the helmet 1 is provided with eyeshield 3, is provided with audition hole 4 in the helmet 1 ear position, is provided with filter 5 and is provided with the fire prevention door curtain made of cloth 6 in the hindbrain position at its mouth position.One signal projector 21 is installed in the welding gun 2, main coil 22, secondary coil 23, live wire union joint 24 and stand-by power supply 25, wherein power supply is input to electric current on the welding rod anchor clamps 26 by live wire union joint 24, main coil 22, and the secondary coil 23 that is built in the main coil 22 can produce faradic current under the situation of main coil 22 conductings, as the power supply of signal reflectors 21.Stable for the power supply that guarantees signal projector 21, be provided with stand-by power supply 25 in the welding gun 2.Be provided with signal receiver 31, the electric rotation shaft 34 that can drive by motor 37 in the eyeshield 3, can return power rotating shaft 35 and be connected electric rotation shaft 34 and return dichromated gelatin film 32 between the power rotating shaft 35 by what return spring 36 drove.The audition hole 4 that the helmet 1 ears position is provided with can prevent high-decibel noise stimulation tympanum, and when but the helmet 1 is breathed the filter 5 filterings welding that the position is provided with poisonous smog, be provided with the fire prevention door curtain made of cloth 6 in addition at the rear of the helmet 1, the spark that splashes when preventing to weld burns hinders cervical region.
See accompanying drawing 2,3,4,5, described eyeshield 3 mainly comprises: brake 33, electric rotation shaft 34, return power rotating shaft 35 and conducting strip 38, wherein brake 33 is by fixed support 331, spring 333, axis 334, bar magnet 335, end cap 336 and gear 337 constitute, brake 33 is fixed on the outer casing stand 39 of eyeshield 3 by fixed support 331, solenoid 332 is wrapped on the fixed support 331, bar magnet 335 fixed covers are located on the axis 334, the cross section of axis 334 upper ends is a semicircle, in the semicircle draw-in groove that its inlay card is offered on fixed support 331, the lower end of axis 334 is fixed with a gear 337, end cap 335 passes axis 334, and being fixed on the lower end of fixed support 331 by being threaded, spring 333 is connected between fixed support 331 and the bar magnet.Electric rotation shaft 34 is made of rotating shaft 341, wheel hub 342, gear 343, wheel hub 342 is fixed in the rotating shaft 341, gear 343 is fixed on the wheel hub 342, one end of rotating shaft 341 is movably connected on the outer casing stand 39 of eyeshield 3, mode is not connected the other end to have in relative rotation with motor 37, be that one cross section is arranged is semicircular connecting portion in rotating shaft 341 lower ends, in the semicircle draw-in groove that its inlay card is offered on motor 37.Return power rotating shaft 35 and be made of rotating shaft 351, wheel hub 352, wheel hub 352 is fixed in the rotating shaft 351, and an end of rotating shaft 351 is movably connected on the outer casing stand 39 of eyeshield 3, and the other end is connected with return spring 36; Gear 337 is meshing with each other with gear 343; The two ends inlay card of film 32 is at the wheel hub 342 of electric rotation shaft 34 and return in the jack of offering on the wheel hub 352 of power rotating shaft 35 3421 and 3521.Side in electric rotation shaft 34 and time power rotating shaft 35 is fixed with conducting strip 38, and conducting strip 38 contacts with film 32.
See accompanying drawing 6, film 32 is divided into mass colour and transparent two kinds of materials, its both sides be respectively equipped be used for electric rotation shaft 34 with return the joint 321,322 that power rotating shaft 35 is connected, and be provided with conducting strip 323,324 at the inner edge of joint 321,322.
When using this utility model, when the welding rod on being clamped in welding gun anchor clamps 26 contacts with soldered object, the secondary coil 23 that is built in the main coil 22 can produce faradic current under the situation of main coil 22 conductings, power supply as signal projector 21, be that signal is launched in signal projector 21 startups, after the signal receiver 31 that is located at eyeshield 3 inside on the helmet 1 simultaneously receives signal, at first trigger brake 33, make coil 332 and power connection on the driver 33, according to electromagnetic induction principle, coil 332 just produces a magnetic field, promoting bar magnet 335 moves down, so the gear 343 under gear 337 and the electric rotation shaft 34 breaks away from, this moment electric rotation shaft 34 with return power rotating shaft 35 under the situation of brakeless for free state, and return spring 35 is because the rotating shaft 351 that the effect of elastic force will spur back in the power rotating shaft 35 is rotated, and film 32 rotates with the rotation of time power rotating shaft 35, thereby the part of film 32 mass colours is pulled out.Film 32 will drive back power rotating shaft 34 rotations simultaneously.This moment, eyeshield 3 became mass colour, can prevent that the high light that produces when operator's eyes are soldered from stabbing.Simultaneously, after film becomes mass colour, conducting strip 38 will contact with the conducting strip on the film 32, and 38,32 conductings of two conducting strips are by the power supply of relay cut-out motor 37, leave soldered object until welding rod, send signal in the welding gun 2, trigger relay, current lead-through, motor 37 starts, and film is retracted.
When welding rod left soldered object, the main coil in the welding gun 2 was not passing through electric current, and the secondary coils 23 in the main coil 22 can not produce faradic current yet, and promptly the power supply of signal reflectors 21 disconnects, and stops emission signal.Signal receiver 31 on the helmet 1 in the eyeshield 3 immediately, trigger relay makes current lead-through, motor 37 starts, and film is retracted.CD-ROM drive motor 37 is returned to transparent color with dichromated gelatin film 32 by mass colour, and this moment, return spring 36 also tightened up the potential energy when savings triggers next time in driving following time of motor 37.
Claims (4)
1, a kind of electric welding Safety protector, comprise: the helmet (1) and welding gun (2), the helmet (1) is provided with eyeshield (3), it is characterized in that: a signal projector (21) is installed in the welding gun (2), be provided with in the eyeshield (3) signal receiver (31), the electric rotation shaft (34) that can drive by motor (37), can by return spring (36) drive return power rotating shaft (35) and be connected electric rotation shaft (34) and time power rotating shaft (35) between dichromated gelatin film (32).
2, electric welding Safety protector according to claim 1, it is characterized in that: described eyeshield (3) mainly comprises: brake (33), electric rotation shaft (34), return power rotating shaft (35), wherein brake (33) is by fixed support (331), spring (333), axis (334), bar magnet (335), end cap (336) and gear (337) constitute, brake (33) is fixed on the outer casing stand (39) of eyeshield (3) by fixed support (331), solenoid (332) is wrapped on the fixed support (331), bar magnet (335) fixed cover is located on the axis (334), the cross section of axis (334) upper end is a semicircle, in the semicircle draw-in groove that its inlay card is offered on fixed support (331), the lower end of axis (334) is fixed with a gear (337), end cap (335) is fixed on the lower end of fixed support (331) by being threaded, spring (333) is connected between fixed support (331) and the bar magnet; Electric rotation shaft (34) is made of rotating shaft (341), wheel hub (342), gear (343), wheel hub (342) is fixed in the rotating shaft (341), gear (343) is fixed on the wheel hub (342), one end of rotating shaft (341) is movably connected on the outer casing stand (39) of eyeshield (3), and mode is not connected the other end to have in relative rotation with motor (37); Return power rotating shaft (35) and be made of rotating shaft (351), wheel hub (352), wheel hub (352) is fixed in the rotating shaft (351), and an end of rotating shaft (351) is movably connected on the outer casing stand of eyeshield (3) (39), and the other end is connected with return spring (36); Gear (337) is meshing with each other with gear (343); The two ends inlay card of film (32) is at the wheel hub (342) of electric rotation shaft (34) and return in the jack of offering on the wheel hub (352) of power rotating shaft (35) (3421) and (3521).
3, electric welding Safety protector according to claim 1 is characterized in that: film (32) is divided into mass colour and transparent two kinds of materials.
4, electric welding Safety protector according to claim 1 is characterized in that: be provided with audition hole (4) in the helmet (1) ear position, be provided with filter (5) and be provided with the fire prevention door curtain made of cloth (6) in the hindbrain position at its mouth position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272225 CN2557111Y (en) | 2002-08-02 | 2002-08-02 | Safety protector for welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02272225 CN2557111Y (en) | 2002-08-02 | 2002-08-02 | Safety protector for welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2557111Y true CN2557111Y (en) | 2003-06-25 |
Family
ID=33736955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02272225 Expired - Fee Related CN2557111Y (en) | 2002-08-02 | 2002-08-02 | Safety protector for welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2557111Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102949266A (en) * | 2012-11-20 | 2013-03-06 | 无锡商业职业技术学院 | Protective mask for electric welding |
| CN106309009A (en) * | 2015-07-02 | 2017-01-11 | 泰克曼(南京)电子有限公司 | Welding mask provided with zipper structure and welding mask assembly |
| CN112353558A (en) * | 2020-11-04 | 2021-02-12 | 江苏美信光电科技有限公司 | Automatic light-changing welding face mask capable of being automatically lifted and closed |
-
2002
- 2002-08-02 CN CN 02272225 patent/CN2557111Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102949266A (en) * | 2012-11-20 | 2013-03-06 | 无锡商业职业技术学院 | Protective mask for electric welding |
| CN106309009A (en) * | 2015-07-02 | 2017-01-11 | 泰克曼(南京)电子有限公司 | Welding mask provided with zipper structure and welding mask assembly |
| CN112353558A (en) * | 2020-11-04 | 2021-02-12 | 江苏美信光电科技有限公司 | Automatic light-changing welding face mask capable of being automatically lifted and closed |
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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 |