CN201402342Y - Waterproof lens, waterproof lens assembly and photographic device - Google Patents
Waterproof lens, waterproof lens assembly and photographic device Download PDFInfo
- Publication number
- CN201402342Y CN201402342Y CN2008202073789U CN200820207378U CN201402342Y CN 201402342 Y CN201402342 Y CN 201402342Y CN 2008202073789 U CN2008202073789 U CN 2008202073789U CN 200820207378 U CN200820207378 U CN 200820207378U CN 201402342 Y CN201402342 Y CN 201402342Y
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- lens
- waterproof
- ditch
- type ring
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Abstract
The utility model provides a waterproof lens capable of preventing an O-shaped ring from falling off when a lens carrier is assembled, and a waterproof lens assembly that the waterproof lens is assembled inside the lens carrier. The waterproof lens (11) forming the lens assembly (1A) is provided with a groove (112) which is provided with an inclined plane which gradually changes into the thick diameter toward the installing side of the O-shaped ring from the bottom of the groove. The lens assembly has the following structure that: the outer diameter of the periphery of the waterproof lens which is closer to the opposite side of the installing side of the O-shaped ring than the groove (112) forms a diameter more than the largest outer diameter which is closer than the installing side of theO-shaped ring than the groove (112), and the lens carrier (10) supports the periphery of the waterproof lens which is closer to the opposite side of the installing side of the O-shaped ring than thegroove (112); and simultaneously, the O-shaped ring (17) installed in the groove (112) maintains the compressed state.
Description
Technical field
The present invention relates to a kind of waterproof with lens and possess waterproof with the waterproof of lens with the entirety of lens package body, further possess the camera of its waterproof with the entirety of lens package body.
Background technology
Recently, on automobile, be equipped with camera.The camera that is provided in automobile as monitor with or be used to move auxiliary usefulness.The latter utilizes navigational system to popularize and at driver's seat the means of display frame is set, and will be presented at the image of camera shooting in its display frame.
As such vehicle mounted camera,,,, propose to require camera is maximized and the technology that obtains sufficient water proofing property according to it at patent documentation 1 so require the situation of water proofing property more because be mainly used in outside the car.
If use the technology of this patent documentation 1, then realize entirety of lens package body small-sized and that have excellent water proofing property.
Fig. 1 is the outside drawing that the waterproof of the technology of suitable patent documentation 1 is used entirety of lens package body 1, and Fig. 2 is the exploded view of the waterproof of presentation graphs 1 with the formation of entirety of lens package body 1.
At Fig. 1, waterproof with the outward appearance of entirety of lens package body 1 from last vertical view, side view, the upward view represented respectively successively, as from outer visible figure, represent: lens mount 10, the lens 11 that are exposed at the surface and the lens 14 that are used to assemble the screw portion 100 of lens barrel and the object light that lens 11 are caught injected to the outside of this lens mount 10.In addition, though with the present invention's relation not directly, also expression in Fig. 1: the O type ring 18 that is inlaid in the periphery of lens mount 10 for the entirety of lens package body 1 that improves Fig. 1 is embedded in the water resistance behind the lens barrel.At Fig. 2, the waterproof of Fig. 1 is expressed with the formation of entirety of lens package body 1 form with exploded view.In Fig. 2, the left side of Fig. 2 is an object side, and the right side of Fig. 2 is the lens barrel side.In this example, the lens 11 that are exposed at the surface shown in Figure 1 are equivalent to the waterproof lens, therefore, in the record afterwards its lens are recited as waterproof usefulness lens 11.
With reference to Fig. 2 the formation of waterproof with entirety of lens package body 1 is described.
Waterproof entirety of lens package body 1 at Fig. 1 possesses the hollow lens mount 10 that front end face and rear end face have opening.Lens 11～14 and diaphragm 15 and anti-dazzling screen 16 and O type ring 17 are accommodated in the inside of its lens mount 10.In this example, lens 11～14 become 4 groups of formations of the 1st group, the 2nd group, the 3rd group, the 4th group, the 1st group of lens in the 4 groups of formations such as patent documentation 1 record work with lens 11 as waterproof.Need to prove,, represent that also waterproof shown in Figure 1 is assembled in the O type ring 18 of performance water resistance behind the lens barrel with entirety of lens package body 1 at Fig. 2.
With reference to the order of Fig. 2 simple declaration waterproof with the assembling of entirety of lens package body 1,
Shown in the exploded view of Fig. 2, at first the 4th group of lens 14 are inserted into lens mount 10, insert diaphragm 15 thereafter.After carrying out the adjustment of optical axis according to the mode of the relation of the position between configuration that obtains these the 4th group of lens 14 and the diaphragm 15, next installs the 3rd lens group lens 13, and the peripheral part of its 3rd group of lens 13 adds anti-dazzling screen 16.Like this, the 2nd group of lens 12 are inserted in the mode of involutory optical axis, the 1st group of lens that last O type ring 17 is installed in ditch 111 are that waterproof is inserted into lens 11, are assembled into the waterproof entirety of lens package body 1 of Fig. 2.Like this, when accommodating lens 11～14, diaphragm 15, anti-dazzling screen 16, O type ring 17 in the lens mount 10 that waterproof is possessed with entirety of lens package body 1, another O type ring 18 is inlaid in the periphery of lens mount 10 and is assembled in lens barrel inside.
Fig. 3 is illustrated in waterproof with the ditch 111 of lens 11 O type ring 17 state before and the figure of the state after waterproof is installed O type rings 17 with the ditch 111 of lens 11 to be installed.
In the left side of Fig. 3, expression has O type ring 17 to be installed in waterproof with the state before the ditch 111 of lens 11, is shown with O type ring 17 in central table and is installed in waterproof with the state after the ditch 111 of lens 11.The waterproof of the state shown in the central authorities of Fig. 3 is assembled in the lens mount 10 with lens 11.
Yet, the staff waterproof to be assembled in lens 11 under the situation of lens mount 10, when making O type ring 17 hand waterproof with lens 11 downwards, shown in the right side of Fig. 3, O type ring 17 comes off with lens 11 from waterproof.So, in the time of waterproof being assembled to lens mount 10 with lens 11, the state of affairs that O type ring 17 comes off with lens 11 from waterproof taking place repeatedly, becomes very bad with regard to the efficient that makes assembly working.
In addition,, can consider earlier to insert the waterproof lens from the rear with after the assembling of O type ring in order to prevent the problems referred to above, but when assembling lens frame like this, in waterproof with the periphery embedding O type ring of lens on one side install on one side, so, assemble on the contrary and become more difficult.
[patent documentation 1] spy opens the 2002-90603 communique
Summary of the invention
The present invention In view of the foregoing proposes, its purpose is, provide a kind of when the assembling lens frame waterproof that comes off of anti-O type ring be assembled with lens and in lens mount inside its waterproof with the waterproof of lens with the entirety of lens package body and possess the camera of its waterproof usefulness entirety of lens package body.
For reaching above-mentioned purpose, waterproof lens of the present invention, it is characterized in that, use in the lens in waterproof, the ditch of forming and surround periphery, O type ring being installed, this ditch has the inclined-plane that becomes particle size from the bottom of this ditch to O type ring installation side gradually, above-mentioned particle size be by from the bottom of above-mentioned ditch towards the O type ring installation side diameter that forms of chap gradually.
According to the waterproof lens of the invention described above, formation has the ditch that becomes the inclined-plane of particle size from the bottom of this ditch to above-mentioned O type ring installation side gradually.Therefore, in a single day this O type ring is installed in the bottom of ditch along the inclined-plane of above-mentioned ditch, just be difficult to come off.
Its result, though the staff will be with this waterproof with entirety of lens package to lens mount with the hand-held waterproof lens that O type ring is installed of free position, O type ring can not come off with lens from waterproof, can be smoothly and carry out assembly working effectively.
As described above, be implemented in the waterproof lens that come off that prevent O type ring when being assembled in lens mount inside.
Herein, above-mentioned periphery, than above-mentioned ditch more by with the external diameter of O type ring installation side opposition side, this ditch that preferably compares more forms protruding footpath by the maximum outside diameter of O type ring installation side.
This waterproof constitutes waterproof entirety of lens package body with entirety of lens package to lens mount, just can make the periphery of lens mount supporting and O type ring installation side opposition side, simultaneously the state of O type ring with compression is kept, and can wave better water-proof function by the environment-development of O type.
That is, during to lens mount, just constitute entirety of lens package body of the present invention shown below with entirety of lens package when above-mentioned waterproof.
Promptly, reach the entirety of lens package body of the present invention of above-mentioned purpose, it is characterized in that, possess: the waterproof lens, it is formed with the ditch that surrounds periphery, installation O type ring and forms, this ditch has the inclined-plane that becomes particle size from the bottom to O type ring installation side gradually, above-mentioned particle size be by from the bottom of above-mentioned ditch towards the O type ring installation side diameter that forms of chap gradually;
O type ring, it is installed in above-mentioned ditch;
Lens mount, it is accommodated above-mentioned waterproof and holds water proofing property with lens and above-mentioned O type ring and by this O type environmental protection.
Herein, with regard to above-mentioned waterproof with regard to lens, as preferably, above-mentioned periphery, than above-mentioned ditch more by with the external diameter of O type ring installation side opposition side, this ditch that compares more forms protruding footpath by the maximum outside diameter of O type ring installation side,
The said lens frame to above-mentioned waterproof with lens, than above-mentioned ditch more by supporting with the periphery of O type ring installation side opposition side, the O type ring that will be installed in above-mentioned ditch simultaneously keeps with the state of compression.
In addition, reach the camera of the present invention of above-mentioned purpose, it is characterized in that, possess waterproof of the present invention entirety of lens package body and imaging apparatus.
Like this, then can make its camera bring into play desirable water resistance by waterproof of the present invention is assembled to camera with the entirety of lens package body.
As described above, realize preventing O type ring comes off when assembling in lens mount inside waterproof be assembled with lens, in lens mount inside waterproof with the waterproof of lens with the entirety of lens package body and possess the camera of its waterproof usefulness entirety of lens package body.
Description of drawings
Fig. 1 is the outside drawing of expression waterproof with the example of entirety of lens package body 1.
Fig. 2 is the exploded view of the waterproof of presentation graphs 1 with the inside formation of entirety of lens package body.
Fig. 3 is the state when being illustrated in waterproof and with lens 11 an O type ring 17 being installed and the figure of the state after waterproof is installed 1O type rings 17 with lens 11.
Fig. 4 is waterproof that expression possesses one embodiment of the present invention is assembled in the automobile formation at 2 places with the camera 2 of entirety of lens package body 1A figure.
Fig. 5 is the figure of formation of the camera 2 of the expression automobile that is assembled in Fig. 4.
Fig. 6 is the figure of the waterproof of the expression camera that is used in Fig. 5 with entirety of lens package body 1A.
Fig. 7 is expression and the figure of Fig. 6 waterproof that compare, in the past with entirety of lens package body 1.
Among the figure:
1,1A-entirety of lens package body, 10-lens mount, 11-waterproof lens (the 1st group), 111-ditch (in the past), 112-ditch (the present invention), the 2nd crowd of 12-, the 3rd crowd of 13-, the 4th crowd of 14-, 15-diaphragm, 16-anti-dazzling screen, 17-O type ring, 18-O type ring
Embodiment
Below, embodiments of the present invention are described.
Fig. 4 is waterproof that expression possesses an embodiment of the present invention is assembled in the automobile formation at 2 places with the camera 2 of entirety of lens package body 1A figure.At Fig. 4, expression be in order will to go out from the image projection of the position that driver's seat be can't see in the display frame (not shown), the example when at 2 places at the part of left wheel and rear camera 2 being installed.At this moment, because of camera 2 is installed on outside the car, so two sides all need water proofing property.
Fig. 5 is the figure of an example of formation of the camera 2 of the expression automobile that is assembled in Fig. 4.
In the shell 20A of camera shown in Figure 52, be in the imaging surface of entirety of lens package body 1A and make the involutory mode of optical axis of optical axis and the photographic element 2A of entirety of lens package body 1A according to the exposure face that makes photographic element 2A, accommodate substrate 20A and entirety of lens package body 1A that photographic element 2A is installed.
Fig. 6 is the figure of the waterproof of the expression camera that is used in Fig. 5 with entirety of lens package body 1A.In addition, Fig. 7 is the figure that represents waterproof usefulness entirety of lens package body 1 in the past.
At the front elevation (corresponding to the vertical view of Fig. 1) of Fig. 6 (a) expression waterproof of the present invention with entirety of lens package body 1A, represent with the E-E line cut-out of 6 (a) central authorities and the figure that the section that cuts off is seen from the side, at the B portion enlarged drawing of Fig. 6 (c) presentation graphs 6 (b) at Fig. 6 (b).In addition, represent figure respectively at Fig. 7 (a)～Fig. 7 (c) corresponding to the entirety of lens package body 1 in the past of Fig. 6 (a)～Fig. 6 (c).
The waterproof of present embodiment shown in Figure 6 is with entirety of lens package body 1A, hold with the waterproof in the past of Fig. 7 and Fig. 1～shown in Figure 3 with the identical outward appearance of entirety of lens package body 1, inner formation except that waterproof with also constituting the lens 11A by identical component parts.
, the formation in the past of entirety of lens package body 1 at first is described herein with reference to Fig. 7, in the present invention which improvement in the past entirety of lens package body has been carried out with reference to Fig. 6 explanation thereafter.
Represent with entirety of lens package body 1 in waterproof in the past shown in Figure 7: form and surround the waterproof lens 11 that ditch 111 periphery, that O type ring 17 is installed forms; Be installed in the O type ring 17 that its ditch 111 forms; With accommodate waterproof with lens 11 and O type ring 17 and keep the lens mount 10 of water proofing properties by its O type ring 17.
At waterproof shown in Figure 7 entirety of lens package body 1, it be to form smooth ditch 111 in waterproof with the periphery of lens 11 to form, and lens mount 10 is held: the structure that waterproof is kept with the state of compression with O type ring 17 lens 11, that more support, will be installed in simultaneously ditch 111 by the periphery of the side opposite with O type ring 17 installation sides than its ditch 111.
The entirety of lens package body 1 in the past of holding formation like this, shown in the A portion enlarged drawing of Fig. 7, since waterproof with the periphery of lens 11 smooth ditch 111 is set and when assembling when waterproof that the staff will install O type ring 17 with lens 11 towards below when holding, the state of affairs that O type ring 17 comes off with lens 11 from waterproof just takes place.
Herein, at entirety of lens package body 1A of the present invention shown in Figure 6, be arranged at the smooth ditch 111 of waterproof usefulness lens 11 in the past, shown in Fig. 6 (b), Fig. 6 (c), quilt is changed to has the ditch 112 that becomes the inclined-plane of particle size from the ditch bottom towards the side that O type ring 17 is installed gradually.
According to this change, at waterproof of the present invention entirety of lens package body 1A, when O type ring 17 is installed on ditch 111, shown in Fig. 6 (c) A portion enlarged drawing, become the state that O type ring 17 inclined-planes along its ditch 112 enter the bottom of ditch 112, therefore, realize that O type ring 17 is difficult to the structure that comes off from ditch 112.If realize this structure, when then assembling,, can prevent that also O type ring 17 from coming off from ditch 112 even the staff will install the hand-held waterproof lens 11A of O type ring 17 down.Like this, when preventing O type ring 17 when waterproof comes off with lens 11A, it is good that the efficient of assembly working becomes.
More than, as explanation, the waterproof that comes off that prevents O type ring when being implemented in the assembling lens frame with lens, lens mount inner assemble its waterproof with the waterproof of lens with the entirety of lens package body and possess the camera of its entirety of lens package body.
Claims (5)
1. waterproof lens is characterized in that,
Form to surround periphery, the ditch of O type ring is installed, and this ditch has the inclined-plane that becomes particle size from the bottom of this ditch towards O type ring installation side gradually, above-mentioned particle size be by from the bottom of above-mentioned ditch towards the O type ring installation side diameter that forms of chap gradually.
2. waterproof lens according to claim 1 is characterized in that,
Above-mentioned periphery, than above-mentioned ditch more by with the external diameter of O type ring installation side opposition side, this ditch that compares more forms protruding footpath by the maximum outside diameter of O type ring installation side.
3. waterproof entirety of lens package body is characterized in that possessing:
The waterproof lens, it is formed with the ditch that surrounds periphery, installation O type ring and forms, this ditch has from the bottom of this ditch to the O type ring installation side inclined-plane in chap footpath gradually, above-mentioned particle size be by from the bottom of above-mentioned ditch towards the O type ring installation side diameter that forms of chap gradually;
O type ring, it is installed on the above-mentioned ditch; With
Lens mount, it is accommodated above-mentioned waterproof and holds water proofing property with lens and above-mentioned O type ring and by this O type environmental protection.
4. waterproof entirety of lens package body according to claim 3 is characterized in that,
Above-mentioned waterproof lens, furthermore, above-mentioned periphery, than above-mentioned ditch more by with the external diameter of O type ring installation side opposition side, this ditch that compares more forms protruding footpath by the maximum outside diameter of O type ring installation side,
The said lens frame, its to above-mentioned waterproof with lens, than above-mentioned ditch more by supporting with the periphery of O type ring installation side opposition side, the O type ring that will be installed in above-mentioned ditch simultaneously keeps with the state of compression.
5. a camera is characterized in that, possesses the described waterproof of claim 3 entirety of lens package body and imaging apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202073789U CN201402342Y (en) | 2008-08-29 | 2008-08-29 | Waterproof lens, waterproof lens assembly and photographic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008202073789U CN201402342Y (en) | 2008-08-29 | 2008-08-29 | Waterproof lens, waterproof lens assembly and photographic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201402342Y true CN201402342Y (en) | 2010-02-10 |
Family
ID=41662140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008202073789U Expired - Lifetime CN201402342Y (en) | 2008-08-29 | 2008-08-29 | Waterproof lens, waterproof lens assembly and photographic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201402342Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581612A (en) * | 2017-09-29 | 2019-04-05 | 日本电产三协株式会社 | Lens unit |
| JP2020080526A (en) * | 2018-11-14 | 2020-05-28 | アイホン株式会社 | Intercom device |
-
2008
- 2008-08-29 CN CN2008202073789U patent/CN201402342Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581612A (en) * | 2017-09-29 | 2019-04-05 | 日本电产三协株式会社 | Lens unit |
| JP2020080526A (en) * | 2018-11-14 | 2020-05-28 | アイホン株式会社 | Intercom device |
| JP7129890B2 (en) | 2018-11-14 | 2022-09-02 | アイホン株式会社 | intercom equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100210 |