CN201298099Y - Lens assembly and pick-up device equipped therewith - Google Patents
Lens assembly and pick-up device equipped therewith Download PDFInfo
- Publication number
- CN201298099Y CN201298099Y CNU2008201774014U CN200820177401U CN201298099Y CN 201298099 Y CN201298099 Y CN 201298099Y CN U2008201774014 U CNU2008201774014 U CN U2008201774014U CN 200820177401 U CN200820177401 U CN 200820177401U CN 201298099 Y CN201298099 Y CN 201298099Y
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- CN
- China
- Prior art keywords
- lens
- mentioned
- type ring
- entirety
- package body
- 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 provides a lens assembly and a pick-up device equipped therewith, in particular the lens assembly which can arranges a lens arranged nearest to the object side and an O ring together in the hollow part of a lens frame simply, and the pick-up device equipped therewith. When the lens assembly is assembled, air is drawn in from an opening at the imaging side of the lens frame (10), and the lens arranged nearest to the object side is loaded simultaneously in a state that the O ring (15) is installed. Contrarily, when the lens assembly is disassembled, air is blown in from the opening at the imaging side of the lens frame (10), and the lens (14) arranged nearest to the object side is taken out simultaneously.
Description
Technical field
The utility model relates to a kind of camera head that possesses the entirety of lens package body of multi-disc lens and lens frame and possess its entirety of lens package body, and wherein lens frame has hollow bulb and at this hollow bulb this multi-disc lens of packing into.
Background technology
Recently, camera is equipped with at automobile.This camera is to utilize along with popularizing on driver's seat of navigational system is provided with display frame mostly, shows the camera of the state in the place, dead angle that becomes the driver in this display frame.
This vehicle mounted camera leans on the lens of thing side to be equipped with in the mode of exposing at car body surface most because of being positioned at, so, strict water resistance.For this reason, the entirety of lens package body that is loaded into this vehicle mounted camera is mostly at (for example with reference to the patent documentations 1) such as intrusions of preventing sealing at the O type ring of packing between the inner peripheral surface by the outer peripheral face of the lens of thing side and lens frame.
Yet, in order to obtain higher water resistance and anti-dust performance, in the entirety of lens package body lens frame that are formed with hollow bulb of using more.Have the lens frame of this hollow bulb if use, then in an orderly manner lens are inserted into hollow bulb, last, with being positioned at the lens sealing lens that lean on the thing side most.But, having the lens frame of this hollow bulb if use, then will be disposed at when together being enclosed in lens frame by the lens of thing side and O type ring, in lens frame, be subjected to very big pressure, therefore, the shortcoming of be difficult to pack into O type ring and lens is arranged.Be head it off, need be by being pressed into etc. to surpass strength from the pressure in the lens frame limpingly by applanation lens and O type ring.But, when lens and O type ring together being pushed, can not get the positional precision of lens, and the problem that optical property reduces occurs by being pressed into etc. limpingly.Further, if assemble then under the situation that assembly failure takes place, also have and be difficult to by decomposing the entirety of lens package body with damaging lens and the O type ring problem of taking-up not by being pressed into to wait.
The open 2002-90603 communique of [patent documentation 1] Jap.P.
Use novel content
The utility model is point in view of the above problems, and its purpose is, provides a kind of and can will be disposed at lens and the entirety of lens package body of the hollow bulb that O type ring together is encased in lens frame simply and the camera head that possesses its entirety of lens package body that leans on the thing side most.
Reach the entirety of lens package body of the present utility model of above-mentioned purpose, it is characterized in that the entirety of lens package body possesses:
The multi-disc lens;
Lens frame, it has thing side opening and imaging side opening, and is formed with the hollow bulb that above-mentioned multi-disc lens are loaded in the mode of optical axis alignment;
O type ring, it is clamped between the outer peripheral face and said lens frame hollow bulb inwall that is configured in the 1st lens that lean on the thing side most in the above-mentioned multi-disc lens,
Above-mentioned the 1st lens, the imaging side in the 1st lens outer peripheral face partly have the diameter O type ring configuration portion littler a section than the part of thing side that be formed,
And the said lens assembly is constructed as follows:
Remaining lens in the said lens hollow bulb is packed above-mentioned multi-disc lens into except that above-mentioned the 1st lens;
The above-mentioned O type ring configuration configuration O of portion type ring at above-mentioned the 1st lens;
The limit attracts air from above-mentioned imaging side opening, packs into from the above-mentioned thing side opening of above-mentioned hollow bulb and be fixed on above-mentioned O type ring configuration portion and disposed above-mentioned the 1st lens under the state of O type ring in the limit.
According to entirety of lens package body of the present utility model, pack into after being disposed at the remaining lens by the 1st lens of thing side at the lens hollow bulb, above-mentioned the 1st lens under the state that disposes above-mentioned O type ring are to be subjected to being encased in the lens hollow bulb by the assistance of the air attraction of above-mentioned imaging side opening.For this reason, the air of the thing side in the lens hollow bulb is just lowered by attraction, thereby pressure is alleviated, and the 1st lens are loaded into simply.
For this reason, do not need the very big power lens of also can packing into when packing lens into, acquisition can positively obtain the effect of the positional precision of lens.This effect causes improving the effect of optical property.
In addition, reach the camera head of the present utility model of above-mentioned purpose, it is characterized in that possessing: above-mentioned entirety of lens package body of the present utility model and imaging apparatus.
According to above-mentioned camera head of the present utility model,, alleviate the assembly failure rate of entirety of lens package body, and obtain the good camera head of assembled state by assembling said lens assembly.
As described above, realization can be with the camera head that is disposed at assemble method by the lens of thing side and the entirety of lens package body of the hollow bulb that O type ring together is encased in lens frame simply, can lens is not damaged the decomposition method of the entirety of lens package body that takes out simply on ground and possess the entirety of lens package body of assembling by above-mentioned assemble method from the hollow bulb of the lens frame of temporary transient assembled entirety of lens package body.
Description of drawings
Fig. 1 is the stereographic map of formation of the entirety of lens package body 1 of an explanation embodiment of the present utility model.
Fig. 2 is the sectional view of truncation surface of the entirety of lens package body 1 of presentation graphs 1.
Fig. 3 is the process chart of operation of the assembling of key diagram 1, entirety of lens package body 1 shown in Figure 2.
Fig. 4 is the process chart of operation of the decomposition of key diagram 1, entirety of lens package body 1 shown in Figure 2.
Fig. 5 is the figure that expression possesses the camera unit 2 of Fig. 1, entirety of lens package body 1 shown in Figure 2.
Among the figure: 1-entirety of lens package body, 10-lens frame, 100-hollow bulb, 11～14-lens, 141-O type ring configuration portion, 15-O type ring, 2-camera unit, 20-camera main-body frame, 21-imaging apparatus.
Embodiment
Below, embodiment of the present utility model is described.
Fig. 1 is the stereographic map of formation of the entirety of lens package body 1 of an explanation embodiment of the present utility model, and Fig. 2 is the sectional view of truncation surface of the entirety of lens package body 1 of presentation graphs 1.
Fig. 1, Fig. 2 represent entirety of lens package body 1, and this entirety of lens package body 1 possesses 4 lens 11～14 and lens frame 10, and this lens frame 10 has thing side opening and imaging side opening and is formed with the hollow bulb 100 that 4 lens 11～14 are inserted in the mode of optical axis alignment.
In this Fig. 1, according to making each lens 11～14 neighboring contact and optical axis alignment ground when packing in the lens frame 10 each other, the diameter of lens constitutes lens 11～14 along with becoming big mode towards the thing side.Be disposed at an example of lens 14 formations the 1st lens of the present utility model that lean on the thing side most in these 4 lens 11～14.
In the example of this Fig. 1, the part setting of the imaging side in the outer peripheral face of its 1st lens 14 is formed the diameter O type ring configuration portion 141 littler a section than the part of thing side, and the O type ring 15 that is disposed at this O type ring configuration portion 141 is mounted in the mode between the inwall of the hollow bulb 100 that is clamped in O type ring configuration portion 141 and lens frame 10.The material of the O type ring 15 that this is routine is an EP rubbers, silicon rubber etc.
Herein, as above-mentioned, when the entirety of lens package body 1 of assembly drawing 1, because of being subjected to from the sizable pressure in the hollow bulb 100, so, there is the problem that is difficult to the 1st lens 14 and O type ring 15 are installed in lens frame 10.
So, following assemble method has been proposed in the present embodiment, that is, as shown in Figure 2, the 1st lens 14 that the direction of arrow of limit from the imaging side opening along solid line attracts the air limit will be disposed at the state of O type ring configuration portion 141 are encased in the assemble method of entirety of lens package body of the hollow bulb 100 of lens frame 10.
Fig. 3 is the process chart of operation of the assembling of key diagram 1, entirety of lens package body 1 shown in Figure 2.
At first, at the 1st step S301 that packs into, remaining lens 11～13 in hollow bulb 100 is packed 4 lens 11～14 into except that the 1st lens 14, then, at O type ring configuration step S302, at the O type ring configuration portion 141 configuration O type rings 15 of the 1st lens 14, at last, at the 2nd step S303 that packs into, the limit attracts air from the imaging side opening, and the limit is enclosed in the 1st lens 14 under the state that O type ring configuration portion 141 disposed O type ring 15 from the thing side opening of hollow bulb 100.
Like this, if the limit attracts the air limit to assemble from the imaging side opening, the air that then should be sealed in hollow bulb 100 just attracted to the outside by small gap from the imaging side opening, thereby alleviated from the pressure of hollow bulb 100, and easily be enclosed in the 1st lens 14 under the state that O type ring 15 has been installed from the thing side opening towards the thing side opening.
For this reason, can correctly dispose lens, thereby acquisition can access the effect of desirable optical property at the assigned position in the hollow bulb 100.
And, as above-mentioned install state the 1st lens 14 after, the front end by hot riveting curved lens frame 10 also keeps lens 14.Perhaps, the part that contacts with lens frame 10 by the peripheral part to the 1st lens 14 is carried out the bonding simple end of assembling that makes.
Then, the decomposition method of the entirety of lens package body 1 of key diagram 1, Fig. 2.
Fig. 4 is the process chart of operation of the decomposition of key diagram 1, entirety of lens package body 1 shown in Figure 2.
Proposed following decomposition method in the present embodiment, promptly opposite with when assembling, the direction of arrow along dotted line shown in Figure 2 is blown into the decomposition method that lens 14 are taken out on the air limit from the imaging side opening on the limit in step S401.
Like this, take out lens 14 if the limit is blown into the air limit, then air flows into the object open side by the small gaps in the hollow bulb 100, so, dismantle the lens 14 of thing side easily.For this reason, can not damage the lens in the lens hollow bulb 100 and take out simply, and, can seek to utilize again the lens of taking-up.
In addition, so long as by before above-mentioned hot riveting or the fixed lens 14 such as bonding, then be not only the lens in the hollow bulb 100, lens frame 10 also can be utilized again.After by hot riveting or fixed lens 14 such as bonding, the part that is fixed with the lens frame 10 of lens 14 can be taken out lens by above-mentioned decomposition method after shearing and removing.
As described above, realization can be with the decomposition method that is disposed at by the assemble method of the lens of thing side and the entirety of lens package body of the hollow bulb that O type ring together is encased in lens frame simply and the entirety of lens package body that can lens be taken out simply in the mode of not damaging from the hollow bulb of the lens frame of temporarily assembled entirety of lens package body.
At last, illustrate this entirety of lens package body 1 is applicable to the example of lift-launch in the situation of the camera of automobile.
Fig. 5 is the figure that expression possesses the camera unit 2 of Fig. 1, entirety of lens package body 1 shown in Figure 2.
Represent to have along optical axis at Fig. 5 and block camera unit 2 and observe the figure of the face that blocks from oblique upper.
In assembling during this camera unit 2, at first the entirety of lens package body 1 of Fig. 1, Fig. 2 is inserted into while being screwed into after the camera main-body frame 20, entirety of lens package body 1 is adhesively fixed on camera main-body frame 20.At this moment, by at the neighboring of lens frame 10 and the leading section coating adhesive of camera main-body frame 20, carry out water-proofing treatment so that water does not enter camera unit inside from front.And, the substrate 210 that carries imaging apparatus 21 such as CCD solid-state imager is adhesively fixed on camera main-body frame 20.Can be assembled in simply in the camera unit 2 by the entirety of lens package body 1 of this simple steps Fig. 1, Fig. 2.
Claims (2)
1. entirety of lens package body is characterized in that possessing:
The multi-disc lens;
Lens frame, it has thing side opening and imaging side opening, and is formed with the hollow bulb that above-mentioned multi-disc lens are loaded in the mode of optical axis alignment; With
O type ring, it is clamped between the inwall that is configured in the above-mentioned multi-disc lens by the hollow bulb of the outer peripheral face of the 1st lens of thing side and said lens frame,
Above-mentioned the 1st lens, the imaging side in the 1st lens outer peripheral face partly have the diameter O type ring configuration portion littler a section than the part of thing side that be formed,
And the said lens assembly is constructed as follows:
Remaining lens in the said lens hollow bulb is packed above-mentioned multi-disc lens into except that above-mentioned the 1st lens;
The above-mentioned O type ring configuration configuration O of portion type ring at above-mentioned the 1st lens;
The limit attracts air from above-mentioned imaging side opening, packs into from the above-mentioned thing side opening of above-mentioned hollow bulb and be fixed on above-mentioned O type ring configuration portion and disposed above-mentioned the 1st lens under the state of O type ring in the limit.
2. camera head is characterized in that possessing:
Described entirety of lens package body of claim 1 and imaging apparatus.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008131055 | 2008-05-19 | ||
| JP2008131055A JP2009282070A (en) | 2008-05-19 | 2008-05-19 | Method for assembling lens assembly, method for disassembling lens assembly and pick-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298099Y true CN201298099Y (en) | 2009-08-26 |
Family
ID=41044082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201774014U Expired - Lifetime CN201298099Y (en) | 2008-05-19 | 2008-10-30 | Lens assembly and pick-up device equipped therewith |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2009282070A (en) |
| CN (1) | CN201298099Y (en) |
| TW (1) | TWM361026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405776A (en) * | 2015-07-28 | 2017-02-15 | 日本电产三协株式会社 | Lens unit manufacturing device and manufacturing method of lens unit |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6050087B2 (en) * | 2012-10-30 | 2016-12-21 | 日本電産サンキョー株式会社 | Lens unit and lens unit manufacturing method |
| JP6532339B2 (en) * | 2015-07-28 | 2019-06-19 | 日本電産サンキョー株式会社 | Work attachment device and work attachment method |
| JP7093609B2 (en) * | 2016-06-03 | 2022-06-30 | マクセル株式会社 | In-vehicle camera lens unit and in-vehicle camera |
-
2008
- 2008-05-19 JP JP2008131055A patent/JP2009282070A/en not_active Withdrawn
- 2008-10-30 CN CNU2008201774014U patent/CN201298099Y/en not_active Expired - Lifetime
- 2008-10-30 TW TW97219411U patent/TWM361026U/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405776A (en) * | 2015-07-28 | 2017-02-15 | 日本电产三协株式会社 | Lens unit manufacturing device and manufacturing method of lens unit |
| CN106405776B (en) * | 2015-07-28 | 2019-04-12 | 日本电产三协株式会社 | The manufacturing method of lens unit manufacturing device and lens unit |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM361026U (en) | 2009-07-11 |
| JP2009282070A (en) | 2009-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181011 Address after: Tokyo, Japan Patentee after: Fuji Film Corp. Address before: Japan's Saitama Prefecture Patentee before: Fujinon Corp. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
|
| CX01 | Expiry of patent term |