CN101893810A - Image filming device and method for manufacturing sealing structure - Google Patents
Image filming device and method for manufacturing sealing structure Download PDFInfo
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- CN101893810A CN101893810A CN2009102035324A CN200910203532A CN101893810A CN 101893810 A CN101893810 A CN 101893810A CN 2009102035324 A CN2009102035324 A CN 2009102035324A CN 200910203532 A CN200910203532 A CN 200910203532A CN 101893810 A CN101893810 A CN 101893810A
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- mould
- euphotic cover
- housing
- peristome
- seal element
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Abstract
The invention provides an image filming device, which comprises a shell, a sealing element, a light-transmitting cover and a lens module, wherein the shell is provided with an opening part, and the opening part is provided with an inner periphery and an outer periphery; the sealing element combines with the shell through injection molding; the inner periphery and the outer periphery of the opening part are enclosed by the sealing element; the light-transmitting cover combines with the sealing element through the injection molding and corresponds to the opening part; a periphery of the light-transmitting cover is enclosed by the sealing element, and accommodating space is defined by the shell, the sealing element and the light-transmitting cover; and the lens module is arranged in the accommodating space. In addition, the invention also provides a method for manufacturing a sealing structure.
Description
Technical field
Present invention relates in general to the manufacture method of image capturing device and hermetically-sealed construction.More specifically, the present invention relates to have the manufacture method of the image capturing device and the hermetically-sealed construction of hermetically-sealed construction.
Background technology
Along with the development of modern video technology, extensively be used in the every field such as the image capturing device of digital video camera (DVC) and digital camera (DC).Usually, image capturing device comprises housing, is assembled to the euphotic cover of housing and is arranged on lens module in the housing.Lens module is used to form clearly image on screen or charge-coupled device (CCD).According to the automotive rear-view camera or drive auxiliary camera, housing and euphotic cover are designed to form seal cavity, and other elements that the sealing space is used for protecting lens module or is arranged on housing are avoided the influence of exterior materials (for example, rainwater or dust).
The traditional approach that forms seal cavity is that O shape ring is set between housing and euphotic cover, thereby comes gap between seal casinghousing and the euphotic cover by the elastic deformation of O shape ring.Yet, between O shape ring and housing (or euphotic cover), also may have little gap.In addition, produce the manufacturing cost that O shape ring has increased image capturing device.
Summary of the invention
The present invention will provide a kind of image capturing device that has than high sealing effect and low manufacturing cost.
The present invention will provide a kind of manufacture method that has than the hermetically-sealed construction of high sealing effect and low manufacturing cost.
As specify here and roughly describe, the invention provides a kind of image capturing device, comprise housing, seal element, euphotic cover and lens module.Housing has peristome, and peristome encloses in having and peripheral.Seal element combines with housing by injection moulding, wherein, encloses in the peristome with peripheral sealed element and centers on.Euphotic cover combine with seal element by injection moulding and euphotic cover corresponding to peristome, wherein, the sealed element of peripheral part of euphotic cover centers on, and limits spatial accommodation by housing, seal element and euphotic cover.Lens module is arranged in the spatial accommodation.
According to embodiments of the invention, euphotic cover has the cyclic rib that contacts with seal element.
According to embodiments of the invention, the periphery of peristome has the rough region that contacts with seal element.
According to embodiments of the invention, the material of seal element is plastics.
According to embodiments of the invention, the material of housing is a metal.
According to embodiments of the invention, the material of euphotic cover is glass or plastics.
As specify here and roughly describe, the invention provides a kind of manufacture method of hermetically-sealed construction.At first, provide first mould.Then, the euphotic cover that the housing that is arranged on the first mould place is provided and is arranged on the first mould place, wherein, housing has peristome, and euphotic cover is corresponding to this peristome.Second mould is provided.Second mould is pressed on first mould, makes to limit first chamber, wherein, in first chamber, expose the peristome of housing and peripheral part of euphotic cover by first mould and second mould.First plastic material is expelled in first chamber with the peristome that is enclosed in the housing that exposes in first chamber and peripheral part of euphotic cover.At last, after first plastic material is frozen into the seal element of peripheral part of the peristome that is enclosed in the housing that exposes in first chamber and euphotic cover, remove first mould and second mould.
According to embodiments of the invention, the end face that first mould has annular ditch groove and centered on by annular ditch groove, wherein, housing is set in the annular ditch groove, and euphotic cover is set on the end face.
According to embodiments of the invention, euphotic cover has the cyclic rib that is used to limit groove, and first mould has the protuberance with fillister joint.
According to embodiments of the invention, the periphery of peristome has rough region and is exposed in first chamber.
According to embodiments of the invention, the material of housing is a metal.
According to embodiments of the invention, the material of euphotic cover is glass or plastics.
According to embodiments of the invention, the euphotic cover that is arranged on the first mould place is provided after the housing that is arranged on the first mould place is provided, and the method that is used to provide the euphotic cover that is arranged on the first mould place is provided.At first, provide the 3rd mould.Then, the 3rd mould is pressed on first mould, makes to limit second chamber corresponding to peristome by first mould and the 3rd mould.Second plastic material is expelled in second chamber.At last, after second plastic material is frozen into euphotic cover, remove the 3rd mould.
In a word, seal element of the present invention combines with housing and euphotic cover by injection moulding, the feasible gap that has sealed fully between housing and the euphotic cover, and owing to other elements that do not need to be provided between housing and euphotic cover, sealing, so reduced the manufacturing cost of image capturing device.
Description of drawings
Included accompanying drawing is used to provide further to be understood the present invention, incorporates instructions into and constitutes the part of instructions.Accompanying drawing shows embodiments of the invention, and is used from explanation principle of the present invention with description one.
Fig. 1 is the perspective schematic view that the embodiment of image capturing device of the present invention is shown.
Fig. 2 is the exploded view that the image capturing device among Fig. 1 is shown.
Fig. 3 is the partial cross section figure that the image capturing device among Fig. 1 is shown.
Fig. 4 A to Fig. 4 E is the sectional view that has schematically shown according to the manufacture process of the image capturing device of the embodiment of the invention.
Fig. 5 A to Fig. 5 D is the sectional view that injection moulding provides the method for euphotic cover that passes through that has schematically shown according to the embodiment of the invention.
Embodiment
Now will be in detail with reference to embodiments of the invention, the example of embodiment shown in the drawings.As possible, just use identical label to refer to same or analogous parts in the drawings with in describing.
Fig. 1 is the perspective schematic view that the embodiment of image capturing device of the present invention is shown.Fig. 2 is the exploded view that the image capturing device among Fig. 1 is shown.Fig. 3 is the partial cross section figure that the image capturing device among Fig. 1 is shown.With reference to Fig. 1, Fig. 2 and Fig. 3, image capturing device 100 comprises housing 110, seal element 120, euphotic cover 130 and lens module 140.
Particularly, with reference to Fig. 3, euphotic cover 130 has the cyclic rib 134 that contacts with seal element 120 increases the sealing effect.In addition, the peripheral 112b of peristome 112 has the rough region A that contacts with seal element 120, makes that the combination between housing 110 and the seal element 120 is tightr.In the present embodiment, the material of seal element 120 can be plastics, and the material of housing 110 can be metal or alloy (stainless steel alloy or an acieral), and the material of euphotic cover 130 can be glass or plastics.
In other words, the hermetically-sealed construction of being made up of housing 110, seal element 120 and euphotic cover 130 is applicable to the influence of protecting lens module 140 to avoid rainwater, dust or other exterior materials.The manufacture method of hermetically-sealed construction is described with reference to Fig. 4 A to Fig. 4 E and Fig. 5 A to Fig. 5 D below.
Fig. 4 A to Fig. 4 E is the sectional view that has schematically shown according to the manufacture process of the image capturing device of the embodiment of the invention.At first, with reference to Fig. 4 A, provide first mould 50.Then, with reference to Fig. 4 B, provide housing 110 that is arranged on first mould, 50 places and the euphotic cover 130 that is arranged on first mould, 50 places, wherein, housing 110 has peristome 112, and euphotic cover 130 is corresponding to this peristome 112.
With reference to Fig. 4 C, provide second mould 60.Second mould 60 is pressed on first mould 50, makes to limit first chamber 70, wherein, in first chamber 70, expose the peristome 112 of housing 110 and peripheral part 132 of euphotic cover 130 by first mould 50 and second mould 60.With reference to Fig. 4 D, with first plastic material 120 ' be expelled in first chamber 70, with the peristome 112 that is enclosed in the housing 110 that exposes in first chamber 70 and peripheral part 132 of euphotic cover 130.
At last, after the seal element 120 of peripheral part 132 of peristome 112 that first plastic material 120 ' be frozen into is enclosed in the housing 110 that exposes in first chamber 70 and euphotic cover 130, remove first mould 50 and second mould 60.Therefore, form the hermetically-sealed construction of forming by housing 110, euphotic cover 130 and seal element 120, and the sealing structure is applicable to and protects lens module or be arranged on the influence that other elements in the spatial accommodation 150 are avoided rainwater, dust or other exterior materials.
Particularly, with reference to Fig. 4 B, the end face 54 that first mould 50 has annular ditch groove 52 and centered on by annular ditch groove 50, wherein, housing 110 is set in the annular ditch groove 52, and euphotic cover 130 is set on the end face 54 corresponding with the peristome 112 of housing 110.Euphotic cover 130 has the cyclic rib 134 that limits groove 134a, and first mould 50 has to engage with groove 134a and is used to limit the protuberance 56 of euphotic cover 130 with respect to the position of first mould 50.In addition, with reference to Fig. 4 E, the peripheral 112b of peristome 112 has rough region A and is exposed in first chamber 70, makes that the combination between housing 110 and the seal element 120 is tightr.
In the present embodiment, the material of housing 110 can be a metal, and the material of euphotic cover 130 can be glass or plastics.When the material of euphotic cover 130 was glass, the method that the euphotic cover 130 that is arranged on first mould, 50 places is provided can be to be pre-formed euphotic cover 130 and euphotic cover 130 is placed on first mould 50.In addition, when the material of euphotic cover 130 is plastics, provide the method for the euphotic cover 130 that is arranged on first mould, 50 places can be injection moulding.
To specifically describe with reference to Fig. 5 A to Fig. 5 D below can be the injection molding method that the euphotic cover 130 that is arranged on first mould, 50 places is provided.
Fig. 5 A to Fig. 5 D is the sectional view that injection moulding provides the method for euphotic cover that passes through that schematically shows according to the embodiment of the invention.With reference to Fig. 5 A, at first housing 110 is set at first mould, 50 places.Then,, the 3rd mould 80 is pressed on first mould 50, makes to limit second chamber 90 by first mould 50 and the 3rd mould 80 with reference to Fig. 5 B.With reference to Fig. 5 C, with second plastic material 130 ' be expelled in second chamber 90.At last, with reference to Fig. 5 D, after second plastic material 130 ' be frozen into euphotic cover 130, remove the 3rd mould 80.Thereby, on first mould 50, form euphotic cover 130, and the manufacture process shown in after this can execution graph 4C to Fig. 4 E.
In the present embodiment, seal element of the present invention combines with housing and euphotic cover by injection moulding, makes to have sealed gap between housing and the euphotic cover fully, and do not need other elements of being provided for sealing between housing and euphotic cover.Therefore, improve the sealing effect of image capturing device, and reduced the manufacturing cost of image capturing device.
It is apparent to those skilled in the art that under the situation that does not deviate from scope of the present invention or spirit and can carry out various modifications and variations structure of the present invention.According to the above, be intended that the present invention and cover modifications and variations of the present invention, as long as they drop in the scope of following claim and equivalent thereof.
Claims (13)
1. image capturing device comprises:
Housing has peristome, and described peristome encloses in having and peripheral;
Seal element combines with described housing by injection moulding, wherein, encloses with described periphery in described peristome described and is centered on by described seal element;
Euphotic cover, combine with described seal element by injection moulding, and described euphotic cover is corresponding to described peristome, wherein, peripheral part of described euphotic cover is centered on by described seal element, and limits spatial accommodation by described housing, described seal element and described euphotic cover; And
Lens module is arranged in the described spatial accommodation.
2. image capturing device according to claim 1, wherein, described euphotic cover has the cyclic rib that contacts with described seal element.
3. image capturing device according to claim 1, wherein, the described periphery of described peristome has the rough region that contacts with described seal element.
4. image capturing device according to claim 1, wherein, the material of described seal element is plastics.
5. image capturing device according to claim 1, wherein, the material of described housing is a metal.
6. image capturing device according to claim 1, wherein, the material of described euphotic cover is glass or plastics.
7. the manufacture method of a hermetically-sealed construction comprises:
First mould is provided;
Housing that is arranged on the described first mould place and the euphotic cover that is arranged on the described first mould place are provided, and wherein, described housing has peristome, and described euphotic cover is corresponding to described peristome;
Second mould is provided;
Described second mould is pressed on described first mould, makes to limit first chamber, wherein, in described first chamber, expose the described peristome of described housing and peripheral part of described euphotic cover by described first mould and described second mould;
First plastic material is expelled in described first chamber with the described peristome that is enclosed in the described housing that exposes in described first chamber and described peripheral part of described euphotic cover; And
After described first plastic material is frozen into the seal element of described peripheral part of the described peristome that is enclosed in the described housing that exposes in described first chamber and described euphotic cover, remove described first mould and described second mould.
8. the manufacture method of hermetically-sealed construction according to claim 7, wherein, the end face that described first mould has annular ditch groove and centered on by described annular ditch groove, wherein, described housing is set in the described annular ditch groove, and described euphotic cover is set on the described end face.
9. the manufacture method of hermetically-sealed construction according to claim 7, wherein, described euphotic cover has the cyclic rib that limits groove, and described first mould has the protuberance with described fillister joint.
10. the manufacture method of hermetically-sealed construction according to claim 7, wherein, the periphery of described peristome has rough region and is exposed in described first chamber.
11. the manufacture method of hermetically-sealed construction according to claim 7, wherein, the material of described housing is a metal.
12. the manufacture method of hermetically-sealed construction according to claim 7, wherein, the material of described euphotic cover is glass or plastics.
13. the manufacture method of hermetically-sealed construction according to claim 7, wherein, the described euphotic cover that is arranged on the described first mould place is provided after the described housing that is arranged on the described first mould place is provided, and provides the method for the described euphotic cover that is arranged on the described first mould place to comprise:
The 3rd mould is provided;
Described the 3rd mould is pressed on described first mould, makes to limit second chamber corresponding to described peristome by described first mould and described the 3rd mould;
Second plastic material is expelled in described second chamber; And
After described second plastic material is frozen into described euphotic cover, remove described the 3rd mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102035324A CN101893810A (en) | 2009-05-22 | 2009-05-22 | Image filming device and method for manufacturing sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102035324A CN101893810A (en) | 2009-05-22 | 2009-05-22 | Image filming device and method for manufacturing sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101893810A true CN101893810A (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102035324A Pending CN101893810A (en) | 2009-05-22 | 2009-05-22 | Image filming device and method for manufacturing sealing structure |
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| Country | Link |
|---|---|
| CN (1) | CN101893810A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754190A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Pressure balanced underground camera sealing structure |
| CN111193847A (en) * | 2018-11-15 | 2020-05-22 | 法可赛阿达斯独资有限公司 | Motor vehicle camera housing and manufacturing method thereof |
-
2009
- 2009-05-22 CN CN2009102035324A patent/CN101893810A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104754190A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Pressure balanced underground camera sealing structure |
| CN104754190B (en) * | 2013-12-31 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of pressure balance type downhole imaging instrument sealing structure |
| CN111193847A (en) * | 2018-11-15 | 2020-05-22 | 法可赛阿达斯独资有限公司 | Motor vehicle camera housing and manufacturing method thereof |
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| PB01 | Publication | ||
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Open date: 20101124 |