CN85204814U - Arc welding helmet - Google Patents
Arc welding helmet Download PDFInfo
- Publication number
- CN85204814U CN85204814U CN 85204814 CN85204814U CN85204814U CN 85204814 U CN85204814 U CN 85204814U CN 85204814 CN85204814 CN 85204814 CN 85204814 U CN85204814 U CN 85204814U CN 85204814 U CN85204814 U CN 85204814U
- Authority
- CN
- China
- Prior art keywords
- welder
- helmet
- medicated cap
- filter
- safety
- 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 - Lifetime
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Abstract
The utility model discloses an arc welding face mask, solving the gas defence problem of manual arc-welding operation, the safety problem of multilayer operation in high altitude, and the burnt problem caused by clearing slag, comprising a safety cap with a dust filtering ventilating device and a face shield with an opening type welder's safety glasses. The utility model has the advantages of simple structure, good dust removing effect, high safety, convenience and comfort, and in particular the arc welding face mask is suitable to the multilayer operation done by arc-welding worker in high latitude, spherical vessels, ship bodies, pipelines and other sealed containers. The dust filtration efficiency is more than 99%.
Description
The utility model relates to a kind of electric welder's helmet medicated cap, particularly a kind ofly be suitable for manual arc welding workman in the multilamellar operation of high-altitude and the electric welder's helmet medicated cap that uses in the sealed containers such as spherical container, hull, pipeline.
In order to solve the safety problem in gas defence problem in the arc welding operation and high-altitude multilamellar, the operation of spherical tank multilamellar, in " modern welding " book that the U.S. publishes, suggestion (referring to Fig. 6 in the book-48) in " 6-26 " literary composition, headgear is installed on face shield and ventilation unit is housed, the vent air flexible pipe leads to air in the place ahead of welder's mouth.Though this improvement has certain effect to the flue dust of the arc welding problem of poisoning, but, this straight blast type face shield can make the electric welder swallow air in a large number to cause tripe to expand, and the electric welder of high-altitude multilamellar operation, use this face shield to remove devices such as being with ventilation shaft, also must be with safety helmet in addition, cause safety device heavy, handicapped.Advise that safety helmet is connected with welding mask in this book " 6-25 security protection face shield " literary composition, but this improved welding mask does not solve the murder by poisoning problem of arc welding flue dust.In addition; U.S. patent documents 28 days ［ 11 ］ 4 March in 1978; 080; filter is equipped with in suggestion in 664 on welding mask, and filter is trumpet type and links to each other with welder's respiratory system nose mouth is identical; though played filtration; but this device makes the inconvenience of welder's head movement, but also has limited to range of observation, also lacks safety precautions simultaneously.In addition, common employed welding mask, the welder must open welding mask at environment of observation, when changing welding rod, cleaning welding slag etc., and the splash that produces when scarfing cinder may cause the burn of welder's face cervical region and eyes like this.
Problem in view of the existence of above-mentioned prior art field; the purpose of this utility model is that a kind of improved electric welder's helmet medicated cap will be provided; it has smoke abatement ventilation unit and safeguard protection effect; be convenient to observe scarfing cinder, can be applicable to the manual arc welding in spherical tank, Chuan Cang, high-altitude multilamellar and the sealed container.
This utility model is achieved in that the electric welder's helmet medicated cap is connected to form with the electric welder's helmet two parts with open-type Eye protector for welder by the safety helmet of band filtrating smoke dust ventilation unit.The filter-fan unit of welding mask medicated cap is installed on the safety helmet, the ventilation air channel through the safety helmet inwall by after the forward position of passage medicated cap, in the air channel at safety helmet rear portion, blower fan is housed and the cloud of dust is crossed material, its filtering material is the static filter membrane, the power of motor of blower fan is one watt, rotating speed is per minute 10,000 commentaries on classics, and rated voltage is for being beset with.The metal grill sheet is equipped with in the inside and outside of filtering material, with the protection filtering material.Eye protector for welder opening section on the welding mask is to be connected with observation port framework on the face shield by starting the formula framework; fixedly clear glass is housed on the framework; when the electric welder welds; the welding goggles opening section puts down; when needing environment of observation, replacing welding rod, cleaning welding slag; then only need open opening section; at this moment the fixedly clear glass on welding mask and the observation port framework still can play a protective role, and can avoid other foreign bodies and the scarfing cinder splash burn to welder's face cervical region and eyes.The directional plate of regulating air is housed at the wind passage mouth place of filter-fan unit in addition.Make to form a malleation in the face shield, prevent that welding fume from invading from the face shield below, can avoid the winter air channel to send wind and directly blow muzzle place simultaneously, cause uncomfortable feeling the welder.
Manual arc welding face shield medicated cap of the present utility model is owing to couple together the safety helmet of band filtrating smoke dust ventilation unit with the electric welder's helmet with open-type Eye protector for welder; compare with above-mentioned prior art; this electric welder's helmet medicated cap not only can be protected welder's safety all sidedly, and can offer the clean air of welder.This electric welder's helmet cap is simple, and filtering material is changed easily, and is easy to use; it is soft comfortable to ventilate; in the whole welding process, the welding mask medicated cap all plays a part safeguard protection very effectively, has solved the problem of murder by poisoning of arc welding flue dust and high-altitude multilamellar job safety.The filter efficiency of electric welder's helmet medicated cap of the present utility model reaches more than 99%, is particularly suitable for the manual electric arc welding workman and uses in sealed containers such as high-altitude multilamellar operation and spherical tank container, hull, pipeline.
Concrete structure of the present utility model is provided by accompanying drawing.
Accompanying drawing 1 is the structure principle chart of this electric welder's helmet medicated cap.
Accompanying drawing 2 is that this electric welder's helmet medicated cap adds the structure chart that protects cloth.
Accompanying drawing 3 is that A in the accompanying drawing 1 is to view.
Accompanying drawing 4 is that B-B in the accompanying drawing 1 is to view.
Accompanying drawing 5 is the dc sources that are beset with of the belt switch used of this electric welder's helmet medicated cap.
This electric welding helmet medicated cap by the band air channel 3 safety helmet 4, electric welder's helmet 6, Eye protector for welder opening section 7,8,9, fixedly the dc source 19 that is beset with of clear glass 10, directional plate 5, blower fan 2, filtering material 15, inside and outside metal grill sheet 16,14 and belt switch 17 is formed.Air channel 3 can form with safety helmet 4 die casting together, also die casting is bonding more respectively forms, blower fan 2 is fixed in the air channel, safety helmet 4 rear portion 3 by fixed support 1, filtering material 15 and inside and outside metal grill sheet 14,16 are fixed by the bayonet socket gland, face shield 6 is connected with safety helmet 4 both sides by two arms, directional plate 5 is installed in ducting outlet inboard, medicated cap forward position, the Eye protector for welder opening section is mainly by outer clear glass 7 with protect order filter glass 8 and insert and start frameworks 9 and form, start framework 9 and be installed on the observation port framework 11, fixed internal layer clear glass 10 is installed on the observation port framework 11.The dc source that is beset with can be contained in the work bag of work bag on the working clothing sleeve that the welder wears or front, and the face shield medicated cap is by lead 12 and plug 18 energized.The part material that contacts with welder's chest of face shield lower edge can be selected softish material for use in addition, with the protection welder, and can also play certain sealing function.When the welder prepares to weld, with plug 18 energized 19, open switch 17, this moment, the fanman rotated, and flue dust gas becomes clean air through the metal grill sheet by filtering material 15,3 delivers to the muzzle place that wears the welding mask medicated cap by blower fan 2 through the air channel, uses for breathing.By check, when the electric welder normally welded, in the plume of electric welder's helmet medicated cap outside and the detection dust concentration of taking a sample simultaneously of electric welder's helmet medicated cap inside, it was as shown in the table to obtain filter efficiency.
Group dust concentration filter efficiency (%)
In number plume in the face shield
1 3.97 0.01 99.75
2 5.85 0.04 99.32
3 2.87 0.01 99.65
4 3.13 0.02 99.36
5 2.53 0.01 99.60
6 1.35 0.01 99.26
Average 3.28 0.02 99.49
Can also between face shield 6 and safety helmet, load onto protection cloth 20 in addition, can not only protect welder's head so better, and can also prevent and reduce in the flue dust immersion welding mask medicated cap.This utility model is through practice examining, and is functional, obtained better preventing that the arc welding flue dust from poisoning and the effect of high-altitude multilamellar job safety protection.
Claims (5)
1, a kind of electric welder's helmet medicated cap that connects to form by welding mask 6 and safety helmet 4, filtrating smoke dust ventilation unit and observation port are housed, Eye protector for welder is housed on the observation port, it is characterized in that filter-fan unit is installed on the safety helmet 4, the Eye protector for welder 7,8,9 on the observation port can be opened.
2, electric welder's helmet medicated cap according to claim 1 is characterized in that Eye protector for welder opening section 7,8,9 on the face shield 6 is connected with observation port framework 11 on the face shield 6 by startup formula framework 9, is equipped with fixedly clear glass 10 on the observation port framework 11.
3, electric welder's helmet medicated cap according to claim 1, the air channel 3 that it is characterized in that filter-fan unit through safety helmet 4 inwalls by after lead to the medicated cap forward position, the filtering material 15 of filter-fan unit is the static filter membrane, blower fan 2 power of filter-fan unit are one watt, rotating speed is per minute 10,000 commentaries on classics, and rated voltage is for being beset with.
4, electric welder's helmet medicated cap according to claim 3 is characterized in that filtering material 15 inside and outsides are equipped with metal grill sheet 16,14.
5,, it is characterized in that the directional plate 5 of regulating air flow is equipped with at the wind passage mouth place of filter-fan unit according to claim 1,3 described electric welder's helmet medicated caps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85204814 CN85204814U (en) | 1985-11-21 | 1985-11-21 | Arc welding helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85204814 CN85204814U (en) | 1985-11-21 | 1985-11-21 | Arc welding helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85204814U true CN85204814U (en) | 1986-12-31 |
Family
ID=4800034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85204814 Expired - Lifetime CN85204814U (en) | 1985-11-21 | 1985-11-21 | Arc welding helmet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85204814U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783394A (en) * | 2015-04-20 | 2015-07-22 | 浙江海洋学院 | Smoke-prevention eye protecting helmet for ship welding |
| CN106794073A (en) * | 2014-09-11 | 2017-05-31 | 3M创新有限公司 | The eye protection helmet |
-
1985
- 1985-11-21 CN CN 85204814 patent/CN85204814U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106794073A (en) * | 2014-09-11 | 2017-05-31 | 3M创新有限公司 | The eye protection helmet |
| CN104783394A (en) * | 2015-04-20 | 2015-07-22 | 浙江海洋学院 | Smoke-prevention eye protecting helmet for ship welding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |