CN1813644A - Weak focal spot goggles - Google Patents
Weak focal spot goggles Download PDFInfo
- Publication number
- CN1813644A CN1813644A CN 200510017368 CN200510017368A CN1813644A CN 1813644 A CN1813644 A CN 1813644A CN 200510017368 CN200510017368 CN 200510017368 CN 200510017368 A CN200510017368 A CN 200510017368A CN 1813644 A CN1813644 A CN 1813644A
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- China
- Prior art keywords
- focal spot
- goggles
- reflecting mirror
- face shield
- housed
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Abstract
The present invention discloses a weak focal spot type goggles. It includes face mask, and its characterized by that on the face mask an observation hole correspondent to eye is set, on the observation hole opening the goggles is fixed, said goggles is an U-shaped cavity body, and on the positions of front and back faces which are correspondent to the eye a viewing window hole is opened respectively, in every viewing window hole a reflector is respectively mounted. Besides, in the U-shaped cavity body a convex lens and an optical filter for weakening focal spot also are mounted. Said goggles can effectively protect eyes against injury of strong light source.
Description
Technical field:
The present invention relates to a kind of weak Jiao Banshi protective eye lens, be specially adapted to the protection the when operation of point-like intense light source is arranged of electric welding, gas welding and point of observation.
Background technology:
Existing protective eye lens, what the protection of eyes was generally adopted is to filter, in the harmful light of elimination, also elimination the light of operation surrounding, be difficult to during work clearly find a job a little.Also having a kind of is the electronic liquid crystal protective eye lens, and its shortcoming is: protective eye lens has inclination slightly when operation, can not produce effectively protection to eyes, because electromagnetic interference influences operation each other in the working area.
The invention task:
Task of the present invention is to propose a kind of eyes not injured by high light, again can clear observation working environment situation, and use comfortable a kind of weak burnt formula protective eye lens.Task of the present invention is finished like this, a kind of Weak focal spot goggles, it comprises face shield, it is characterized in that: have on the face shield and the corresponding observation port of eyes, on the observation aperture, be fixed with protective eye lens, protective eye lens is a U die cavity body, have a viewing window on the position of the corresponding eyes of its positive and negative, reflecting mirror more than 4 is housed in the U die cavity body at least, reflecting mirror respectively is housed in viewing window, can inject light on the turnover position of corresponding light in the U die cavity 45 reflecting mirror is housed, reflecting mirror and the interval that is the reflecting mirror of 45 are equipped with and can to the real image interval focal spot reduction filter disc be housed to the image formation by rays and the convex lens of position counter-rotating in addition at concave lens focus.The shape of focal spot reduction filter disc is the sphere arc, and radian is limited in 0～30 degree.Have the chamber that coincide with facial nose, oral cavity on the face shield, air-vent is arranged on it.Face shield is provided with adjustment hole.The present invention has following effect: owing to improved working environment, junior can not damage facial, eyes, and can enter duty fast, operating point and surrounding are high-visible equally during work, make the operative employee can keep a kind of clear good working environment all the time when operation.
Description of drawings:
Fig. 1 is a face mask structure sketch map of the present invention; Fig. 2 is the side diagrammatic sketch of face shield; Fig. 3 is the structural representation of protective eye lens; Fig. 4 is the housing sketch map; Fig. 5 is reflection, refraction, the focal spot reduction sketch map of protective eye lens of the present invention.
Drawing explanation: 1, face shield; 2, hanging hole; 3, regulate fixing hole; 4, observation port; 5, the outstanding chamber of mouth and nose; 6, ventilative software; 7, viewing window; 8,45 ° of reflecting mirrors; 9, convex lens; 10, focal spot reduction filter disc.
Specific embodiment:
Describe embodiment in detail in conjunction with above accompanying drawing, on face shield 1, have and the corresponding observation port 4 of eyes, around observation port 4, have and regulate fixing hole 3, have on the face shield 1 and facial nose, the mouth and nose that the oral cavity matches are given prominence to chamber 5, be added with ventilative soft lining 6 on it, protective eye lens is a U die cavity body group, have a viewing window 7 on the position of the corresponding eyes of its positive and negative, to place reflecting optics, can inject that the interval of 45 ° of reflecting mirrors being housed on the turnover position of corresponding light and being the 45 reflecting mirror is equipped with to light in the U die cavity can be the image formation by rays and the convex lens 9 of position counter-rotating in addition, to the real image interval, focal spot reduction filter disc 10 is housed in convex lens 9 focuses, the shape of focal spot reduction filter disc 10 is the sphere radian, radian is at 30 degree, also can be between 0 degree or 15 degree, local filter area by the central area is arranged when off working state, remainder is pellucidity, it can be the focal spot that passes through the photocentre line as strength reduction, filter disc is to adopt dioptric imaging, the local optical filtering, the mode of reflection two-fold counter-rotating.During use, be with face shield, face shield 1 has blocked the infringement of harmful light to face, light enters 8 li of 45 ° of reflecting mirrors by viewing window 7, and the combination and the convex lens 9 of the reflecting mirror 8 by 45 again are luminous reflectance, dioptric imaging and double-inversion in addition, the focal spot picture is selected to filter by focal spot reduction filter disc 10 again and is filtered, through after the above processing, what the operator saw is a working environment clearly, just can enter duty very soon.
Claims (4)
1, a kind of Weak focal spot goggles, it comprises face shield, it is characterized in that: have on the face shield and the corresponding observation port of eyes, on the observation aperture, be fixed with protective eye lens, protective eye lens is a U die cavity body, have a viewing window on the position of the corresponding eyes of its positive and negative, reflecting mirror more than 4 is housed in the U die cavity body at least, reflecting mirror respectively is housed in viewing window, can inject light on the turnover position of corresponding light in the U die cavity 45 reflecting mirror is housed, reflecting mirror and the interval that is the reflecting mirror of 45 are equipped with and can to the real image interval focal spot reduction filter disc be housed to the image formation by rays and the convex lens of position counter-rotating in addition at concave lens focus.
2, a kind of Weak focal spot goggles according to claim 1 is characterized in that: the shape of focal spot reduction filter disc is the sphere arc, and radian is limited in 0～30 degree.
3, a kind of Weak focal spot goggles according to claim 1 is characterized in that: have the chamber that coincide with facial nose, oral cavity on the face shield, air-vent is arranged on it.
4, a kind of Weak focal spot goggles according to claim 1, it is characterized in that: face shield is provided with adjustment hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510017368 CN1813644A (en) | 2005-02-05 | 2005-02-05 | Weak focal spot goggles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510017368 CN1813644A (en) | 2005-02-05 | 2005-02-05 | Weak focal spot goggles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1813644A true CN1813644A (en) | 2006-08-09 |
Family
ID=36906085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510017368 Pending CN1813644A (en) | 2005-02-05 | 2005-02-05 | Weak focal spot goggles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1813644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110444A (en) * | 2019-12-24 | 2020-05-08 | 中建科工集团有限公司 | Welding mask |
-
2005
- 2005-02-05 CN CN 200510017368 patent/CN1813644A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111110444A (en) * | 2019-12-24 | 2020-05-08 | 中建科工集团有限公司 | Welding mask |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |