CN2490594Y - Holding structure of optical lens - Google Patents
Holding structure of optical lens Download PDFInfo
- Publication number
- CN2490594Y CN2490594Y CN 01233311 CN01233311U CN2490594Y CN 2490594 Y CN2490594 Y CN 2490594Y CN 01233311 CN01233311 CN 01233311 CN 01233311 U CN01233311 U CN 01233311U CN 2490594 Y CN2490594 Y CN 2490594Y
- Authority
- CN
- China
- Prior art keywords
- optical lens
- sleeve
- optical
- fixed sturcture
- tendons
- 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 relates to a holding structure for optical lens, which is applied to optical scanners. The optical scanner at least comprises an optical lens and a sleeve of the optical lens, wherein the optical lens is arranged inside the sleeve of the optical lens, the holding structure for optical lens is formed inside the sleeve of the optical lens. The structure of the holding structure for optical lens comprises two protruding ribs which are arranged on an inner side of a lower semicylinder of the sleeve of the optical lens along an axial direction of the sleeve of the optical lens, the horizontal angle of the connecting line of each protruding rib and a central axis of the sleeve of the optical lens is 45 degrees; moreover protruding ribs have line contacts with the sleeve of the optical lens.
Description
Technical field
The utility model relates to a kind of optical lens fixed sturcture, and particularly is applied in the optical scanner relevant for a kind of, avoids the optical lens fixed sturcture of the optical axis deviation of optical lens.
Background technology
In known optical scanner, (with reference to Fig. 1 a), comprise a light source 100, a reflector group 400, an optical lens 500, shell 750 and an optical sensor, such as being charge-coupled device (CCD) (CCD) 600.When scanning, light source 100 irradiations place the manuscript 200 on the light-passing board 300, obtain an image light through reflection or transmission.Reflector group 400 is made up of a plurality of catoptrons (401,402,403), and is disposed on the light path 110 of image light, and it can import manuscript 200 images in the reflector group 400, and the reflection of process reflector group 400 is resent to optical lens 500.The image light of the manuscript 200 that the reflector group 400 that can receive optical lens 500 is transmitted also images in charge-coupled device (CCD) 600.
Known optical lens stationary installation, shown in Fig. 1 b, be positioned at shell 750 inside, and one-body molded with shell 750, this device is the base 800 of an approximate trapezoid, its front end has the optical lens sleeve 700 of a hollow, in order to fixed optics camera lens 500, have a fixation spring tab 710 below this optical lens sleeve 700, the inboard of this fixation spring tab has a projecting tendon 711, is used for pushing down the optical lens 500 that inserts fixing.This optical lens 500 can move along the axis direction of optical lens sleeve 700, to adjust lens focus.Usually the internal diameter of optics lens sleeve 700 can be than the external diameter of optical lens 500 greatly in order to assembling, but if the excessive central shaft of optical lens 500 that easily causes is crooked, also easily cause when fixation spring tab 710 is pushed down optical lens 500 again optical lens 500 on have a down dip.After having adjusted lens focus; known is that mode with a glue or gib screw 900 fixes optical lens 500; and during with gib screw 900 fixed optics camera lenses 500; gib screw 900 regular meeting when threaded hole 720 lockings causes the urceolus of optical lens 500 to destroy, and firmly inequality also can cause the central shaft of optical lens 500 crooked.
Again when this optical lens sleeve 700 is plastics injection molding spare, the problems such as distortion or shrink that have because of the plastics injection molding produce, be difficult for keeping the circular shaft degree (circular hole that is sleeve can be out of shape) of optical lens sleeve 700, therefore can influence the assembling of camera lens 500 and cause the deviation of optical axis, be the optical axis of optical lens 500 and light path not on same straight line, cause resolution bad.
Summary of the invention
The utility model proposes a kind of optical lens fixed sturcture, be applied in the optical scanner.This optical scanner comprises an optical lens and an optical lens sleeve at least.Wherein optical lens is disposed in this optical lens sleeve, and the optical lens fixed sturcture is formed in the optical lens sleeve.The optical lens fixed sturcture comprises: two projecting tendons (rib), it is axial along the optical lens sleeve, is formed at the lower half circle barrel inboard of optical lens sleeve, approximately slightly 45 ° of the line of each projecting tendon and optical lens sleeve central axis and the angles of level.Wherein, those projecting tendons contact as line with this optical lens sleeve.
The utility model also proposes a kind of optical system, is applied in the optical scanner, and in order to scan a manuscript, this optical system comprises at least: a shell; One light source is fixed in the shell, in order to shine aforesaid manuscript, to obtain an image light; One reflector group is fixed in shell, and is positioned on the light path of aforementioned image light; One optical lens sleeve, be formed at enclosure, and be formed in one with shell, have two projecting tendons, along the optical lens sleeve axially, be formed at the lower half circle barrel inboard of optical lens sleeve, one optical lens, be disposed in the optical lens sleeve, aforementioned projecting tendon contacts as line with the optical lens sleeve, and optical lens is positioned on the light path of the image light after the aforementioned reflector group reflection; And an optical sensor, be fixed in the shell, and be positioned on the light path behind the image transmittance optical lens.
According to feature of the present utility model, fixed form with optical lens and optical lens sleeve, change the line contact into by the face contact, so on the one hand can reduce because of the circular hole distortion and cause influence assembling, on the one hand also can be by the height that changes projecting tendon, and control optical lens position in vertical direction, be convenient to the optical axis position of calibrating optical camera lens, to improve the shortcoming of optical axis deviation.
Description of drawings
Fig. 1 a is the floor map of known optical scanner;
Fig. 1 b is the assembling stereogram of known optical camera lens and optical lens sleeve;
Fig. 2 is the floor map of the utility model embodiment optical scanner;
Fig. 3 a is leg-of-mutton optical lens fixed sturcture synoptic diagram for the embodiment section;
Fig. 3 b is the assembling stereogram of embodiment optical lens and optical lens sleeve;
Fig. 4 is the optical lens fixed sturcture synoptic diagram of circular arc for the embodiment section;
Fig. 5 is trapezoidal optical lens fixed sturcture synoptic diagram for the embodiment section.
Description of reference numerals:
100,1100: light source
110,1110: image light travel path
200,1200: manuscript
300,1300: light-passing board
400,1400: reflector group
401,402,403,1401,1402,1403: catoptron
500,1500: optical lens
600,1600: optical sensor
700,1700: the optical lens sleeve
710: fixation spring tab
711: projecting tendon
720,1724: threaded hole
750,1750: shell
800: base
900: gib screw
1710: the axle center of optical lens sleeve
1720: section is leg-of-mutton projecting tendon
1722: the angle of projecting tendon and level
1740: section is the projecting tendon of circular arc
1742: the angle of projecting tendon and level
1760: section is trapezoidal projecting tendon
1762: the angle of projecting tendon and level
Embodiment
Please refer to Fig. 2, be the floor map of the utility model embodiment optical scanner.Optical scanner comprises a light source 1100, a reflector group 1400, an optical lens 1500, shell 1750 and an optical sensor, such as being charge-coupled device (CCD) (CCD) 1600.When scanning, light source 1100 irradiations place the manuscript 1200 on the light-passing board 1300, obtain an image light through reflection or transmission.Reflector group 1400 is made up of a plurality of catoptrons (1401,1402,1403), and is disposed on the light path 1110 of image light, and it can import manuscript 1200 images in the reflector group 1400, and the reflection of process reflector group 1400 is resent to optical lens 1500.The image light of the manuscript 1200 that the reflector group 1400 that can receive optical lens 1500 is transmitted also images in charge-coupled device (CCD) 1600.
Wherein, the fit of optical lens 1500 and optical lens sleeve 1700 shown in Fig. 3 a, is directly optical lens 1500 to be inserted in the optical lens sleeves 1700.Wherein, optical lens sleeve 1700 is positioned at shell 1750 inside, and it is one-body molded with shell 1750, on optical lens sleeve 1700 Lower Half inner peripheral walls, along two sections of axial formation is leg-of-mutton projecting tendon 1720, the line and the formed angle 1722 of level in the axle center 1710 of these a little projecting tendons 1720 and optical lens sleeve 1700 are approximately 45 °.Optical lens 1500 is to be fixed sturcture with these two projecting tendons 1720, contact as line with optical lens sleeve 1700, and can adjust the height of two projecting tendons 1720 by the mode that for example repairs a die, control optical lens 1500 position in vertical direction, its optical axis is overlapped with image light path.And then behind calibrated its focal length, at the threaded hole 1724 of optical lens 1500 upper ends and optical lens sleeve 1700, fix with a glue, shown in Fig. 3 b, so promptly finish the correction and the fixing step of optical lens 1500.
Wherein, the section shape of above-mentioned two projecting tendons 1720, also can be circular arc 1740 (as shown in Figure 4) or trapezoidal 1760 (as shown in Figure 5) or other shape, and line and the formed angle 1742 of level and 1762 in the axle center of itself and optical lens sleeve are approximately 45 ° equally.
According to above-mentioned embodiment of the present utility model as can be known, the utility model has following advantage at least:
(1) the utility model changes the fixed form of optical lens and optical lens sleeve into the line contact by the face contact, so can reduce because of the influence of the distortion of the circular hole in the optical lens sleeve to assembling.
(2) the utility model can be by the height that changes projecting tendon, and adjustment optical lens position in vertical direction, to improve when the known optical camera lens assembles, the circular hole size in the optical lens sleeve is inaccurate, and causes the shortcoming of the optical axis deviation light path of assembling back optical lens.
Though the utility model with the embodiment explanation as above; right its is not that any person skilled in the art is not in breaking away from spirit and scope of the present utility model in order to qualification the utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. optical lens fixed sturcture, be applied in the optical scanner, this optical scanner comprises an optical lens and an optical lens sleeve at least, wherein this optical lens is disposed in this optical lens sleeve, it is characterized by: this optical lens fixed sturcture is formed in this optical lens sleeve, and this optical lens fixed sturcture comprises:
Two projecting tendons, along this optical lens sleeve axially, be formed at the lower half circle barrel inboard of this optical lens sleeve,
Wherein, those projecting tendons contact as line with this optical lens sleeve.
2. optical lens fixed sturcture as claimed in claim 1 is characterized by: the line of each those projecting tendon and this optical lens sleeve central axis and the angle of level are about 45 °.
3. optical lens fixed sturcture as claimed in claim 1 is characterized by: the section shape of those projecting tendons is a triangle.
4. optical lens fixed sturcture as claimed in claim 1 is characterized by: the section shape of those projecting tendons is trapezoidal.
5. optical lens fixed sturcture as claimed in claim 1 is characterized by: the section shape of those projecting tendons is a circular arc.
6. an optical system is applied in the optical scanner, and in order to scan a file, it is characterized by: this optical system comprises at least:
One shell;
One light source is fixed in this shell, in order to irradiation this document, to obtain an image light;
One reflector group is fixed in this shell, and is positioned on the light path of this image light;
One optical lens sleeve is formed at this enclosure, and is formed in one with this shell, has two projecting tendons, along this optical lens sleeve axially, be formed at the lower half circle barrel inboard of this optical lens sleeve;
One optical lens is disposed in this optical lens sleeve, and those projecting tendons contact as line with this optical lens sleeve, and this optical lens is positioned on the light path of this image light after this reflector group reflection; And
One optical sensor is fixed in this shell, and is positioned on the light path behind this this optical lens of image transmittance.
7. optical lens fixed sturcture as claimed in claim 6 is characterized by: the line of each those projecting tendon and this optical lens sleeve central axis and the angle of level are about 45 °.
8. optical lens fixed sturcture as claimed in claim 6 is characterized by: the section shape of those projecting tendons is a triangle.
9. optical lens fixed sturcture as claimed in claim 6 is characterized by: the section shape of those projecting tendons is trapezoidal.
10. optical lens fixed sturcture as claimed in claim 6 is characterized by: the section shape of those projecting tendons is a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233311 CN2490594Y (en) | 2001-08-13 | 2001-08-13 | Holding structure of optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233311 CN2490594Y (en) | 2001-08-13 | 2001-08-13 | Holding structure of optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2490594Y true CN2490594Y (en) | 2002-05-08 |
Family
ID=33647179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01233311 Expired - Lifetime CN2490594Y (en) | 2001-08-13 | 2001-08-13 | Holding structure of optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2490594Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583452B2 (en) | 2006-12-29 | 2009-09-01 | Hon Hai Precision Industry Co., Ltd. | Barrel for promoting alignment of optical axes of lenses |
-
2001
- 2001-08-13 CN CN 01233311 patent/CN2490594Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583452B2 (en) | 2006-12-29 | 2009-09-01 | Hon Hai Precision Industry Co., Ltd. | Barrel for promoting alignment of optical axes of lenses |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUDONG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LIJIE COMPUTER CO., LTD. Effective date: 20051028 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20051028 Address after: 14 floor, No. 168 North Dunhua Road, Taipei, Taiwan Patentee after: Transpacific IP Pte Ltd. Address before: No. two, No. 1-1, RD, Hsinchu Science Park, Taiwan Patentee before: Lijie Computer Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: YUXI SCIENCE CO., LTD. Free format text: FORMER OWNER: YUDONG TECHNOLOGY CO., LTD. Effective date: 20090821 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: Delaware, zip code: Patentee after: Transpacific IP Pte Ltd. Address before: Building 14, 168 North Dunhua Road, Taiwan, Taipei Province, China: 000000 Patentee before: Transpacific IP Pte Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110813 Granted publication date: 20020508 |