CN2032580U - Rear-view mirror mounted inside driver's cab - Google Patents
Rear-view mirror mounted inside driver's cab Download PDFInfo
- Publication number
- CN2032580U CN2032580U CN87214028U CN87214028U CN2032580U CN 2032580 U CN2032580 U CN 2032580U CN 87214028 U CN87214028 U CN 87214028U CN 87214028 U CN87214028 U CN 87214028U CN 2032580 U CN2032580 U CN 2032580U
- Authority
- CN
- China
- Prior art keywords
- catadioptre
- lens
- mirror
- frosted glass
- sleeve
- 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.)
- Withdrawn
Links
- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000005338 frosted glass Substances 0.000 claims description 9
- 238000003384 imaging method Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 3
- 229920003023 plastic Polymers 0.000 claims 1
- 239000002985 plastic film Substances 0.000 claims 1
- 210000002268 wool Anatomy 0.000 abstract 1
- 238000007689 inspection Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Optical Elements Other Than Lenses (AREA)
Abstract
The utility model discloses a rear-view observation mirror arranged inside a driver's cab, belonging to an optics backing mirror. The utility model utilizes the principle of optics total reflection, mainly comprising two lenses, wool yarn glass and an outer sleeve. When the utility model is arranged on an automotive vehicle, a driver can use easily and does not need to extend head out of the vehicle or resort to other people.
Description
The invention belongs to a kind of optics side mirror.Be to be adapted to automobile, interior (chaufeur the place ahead) the backsight sight glass of cars two-wheeled and all vehicles, when the driver when the car rear portion is observed, head, health need not be swung, the body form size of vehicle rear and object distance can be directly from then on observed out on the instrument from the workshop.
The back mirror of past car by the left and right both sides of car front portion a catadioptre is installed respectively and room mirror is formed, if under no-load principle condition, the vehicle that left and right rear is come can be observed by last genus device, confirm that function, distance are to only depend on people's sensation to judge definite at interval, the function of this judgement is that long-term transportation is formed, but for by last genus device observed less than place (blind area) shown in Figure 1, particularly bigger for " blind area " of the vehicle rear of loading.Do not observe again under the situation of rear from the indoor reflection mirror, just be prone to accidents, just dangerous more during reversing, so generation for fear of accident, the driver is when reversing, the situation within the visual field of catadioptre of surveying according to vehicle two and car internal reflector is often judged or health is stretched out car is outer, yaw, seeks help from other people help.
In order to correct this shortcoming, utilize the total reflection principle of optics to make the indoor backsight inspection glass device of vehicular drive, this device is not only simple, easy to use, cheap, and have all objects, the shape size of observing behind the vehicle, advantage such as distance is directly perceived at interval.
Below in conjunction with figure this device is described:
Indoor backsight inspection glass device is as shown in Figure 2: be made up of lens (1), catadioptre (2), lens (3), frosted glass (4), overcoat (5).
(in addition the indoor backsight inspection glass device made from light transmitting fiber as shown in Figure 4 mainly by: condenser lens (imaging len) (1), light transmitting fiber (2), condenser lens (3), frosted glass (4), overcoat (5) are formed)
Lens (1) are the imaging lens that a wide-angle adds long-focus, it can be in limited angular regions with the shape size focal imaging of the object at car rear portion on the catadioptre (2) of inclination 45, Fan She picture is imaged on the frosted glass plate (4) through lens (3) then, on glass board, be carved with scale as shown in Figure 3, the effect of this scale is: when there is vehicle ' at the car rear, or when object is arranged, scale label indicates vehicle on the glass board thus, body form, far and near numerical value with the distance car, make drivers carry out mental preparation in advance, prevent the generation of accident.
Claims (5)
1, the backsight sight glass belongs to a kind of optics side mirror in the operator's compartment, it is characterized in that by imaging len 1, catadioptre 2, lens 3 and frosted glass mirror 4 place one to be not more than the sleeve at 90 ° of angles and to form, lens 1 are fixed on an end of sleeve, catadioptre 2 is fixed on sleeve corner and inclination 45, frosted glass mirror 4 places the sleeve other end, and the inclination certain angle, and lens 3 are fixed between frosted glass mirror 4 and the catadioptre 2.
2, sight glass according to claim 1 is characterized by catadioptre 2 and also can make with light transmitting fiber 3.
3, according to claim 1 and the described sight glass of claim 2, it is characterized by lens 1 and catadioptre 2 same optical axises, frosted glass mirror 4 and lens 3, catadioptre 2 same optical axises, optical axis is vertical mutually, and adjacent two mirrors will keep at a certain distance away.
4, according to claim 1 and 2 described sight glasss, it is characterized by frosted glass mirror 4 and also can make with transparent plastic sheet.
5, sight glass according to claim 1 is characterized in that on the frosted glass plate 4 scale label being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87214028U CN2032580U (en) | 1987-10-09 | 1987-10-09 | Rear-view mirror mounted inside driver's cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN87214028U CN2032580U (en) | 1987-10-09 | 1987-10-09 | Rear-view mirror mounted inside driver's cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2032580U true CN2032580U (en) | 1989-02-15 |
Family
ID=4828428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN87214028U Withdrawn CN2032580U (en) | 1987-10-09 | 1987-10-09 | Rear-view mirror mounted inside driver's cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2032580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896395A (en) * | 2014-03-06 | 2015-09-09 | 现代自动车株式会社 | Backlight unit for exterior mirrors of vehicles |
-
1987
- 1987-10-09 CN CN87214028U patent/CN2032580U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896395A (en) * | 2014-03-06 | 2015-09-09 | 现代自动车株式会社 | Backlight unit for exterior mirrors of vehicles |
| CN104896395B (en) * | 2014-03-06 | 2019-04-16 | 现代自动车株式会社 | Backlight unit for exterior mirror of vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| 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 |