CN203799091U - Holding device for free-space column type optical elements - Google Patents
Holding device for free-space column type optical elements Download PDFInfo
- Publication number
- CN203799091U CN203799091U CN201420128702.3U CN201420128702U CN203799091U CN 203799091 U CN203799091 U CN 203799091U CN 201420128702 U CN201420128702 U CN 201420128702U CN 203799091 U CN203799091 U CN 203799091U
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- China
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- contact
- optical element
- column type
- type optical
- contact surface
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Abstract
The utility model provides a holding device for free-space column type optical elements, which comprises a supporting block and a cushion block. The supporting block comprises three contact surfaces, namely a first contact surface, a second contact surface and a third contact surface respectively. The cushion block comprises two contact surfaces, namely a fourth contact surface and a fifth contact surface respectively. The third contact surface and the fourth contact surface are laminated mutually and are in the form of a smooth inclined plane respectively with respect to the horizontal plane. Meanwhile, an acute angle formed by the third contact surface and the horizontal plane, and an acute angle formed by the fourth contact surface and the horizontal plane, are the same with each other in both degree and direction. A column type optical element is disposed between the first contact surface and the second contact surface. Through adjusting the height difference of the cushion block and the supporting block which are mutually dislocated, the distance between the optical element and a bottom plate can be adjusted.
Description
Technical field
The utility model relates to optical fiber communication technology field, be mainly used in the making of optical communication device and module, be particularly useful for optical fibre collimator array, miniaturization CWDM(Coarse Wave Division Multiplexer) device of the column type optical element such as fixing in free space such as optical lens of module, optical fiber collimator, laser tube.
Background technology
Rely on since optical fiber communication formally enters communication network, it has become one of main pillar of modern communication net.Access technology that wherein Fiber to the home (Fiber To The Home-FTTH) especially as future final, the broadband access solution of putting things right once and for all, obtained increasing light beam in China.The element of optical communication device and modular optical fiber telecommunications system, along with optical fiber telecommunications system extensive commercialization in the world, especially the requirements at the higher level of FTTH access technology team system cost, volume, its product is inevitable to modularization, modularization, miniaturization development.
Wherein, the fixing mode of free space cylindrical optical element is the integrated gordian techniquies of communication products.Prior art as application number be the fixing mode that 200520140223.4 patents are mentioned, the peripheral circle cementing agent that applies of optical element 26, then swivelling pipe 22 is nested with on optical element 26, now cementing agent is uncured, and therefore, swivelling pipe 22 can optical element 26 rotates freely for back shaft, again back-up block 24 bottoms are applied to a layer binder, promote back-up block 24, make side plane 220 tight connectings of its side plane 240 conflict swivelling pipes 22, as shown in Figure 1.But, the fixing mode of this kind of column type optical element, between optical element 26 and swivelling pipe 22, undertaken bonding by the peripheral cementing agent applying of optical element, thereby in assembling process, need swivelling pipe 22 to be nested with on optical element 26, easily cause the Poor cohesion between swivelling pipe 22 and optical element 26; And between swivelling pipe 22 and back-up block 24, just the side plane 240 by back-up block 24 carries out the bonding of one side with the side plane 220 of swivelling pipe 22, has the hidden danger of bonding shakiness.
Summary of the invention
In order to solve the bad problem existing between the bonding element of bonding agent in prior art, the utility model provides a kind of holding unit of new free space column type optical element.
The utility model provides a kind of holding unit of free space column type optical element, comprises back-up block and cushion block, and this back-up block comprises three surface of contact, is respectively first, second, and third surface of contact; This cushion block comprises two surface of contact, is respectively the 4th and the 5th surface of contact; The 3rd surface of contact and the 4th surface of contact fit, and the 3rd surface of contact and the 4th surface of contact be with respect to the horizontal plane smooth bevel, and meanwhile, the 3rd surface of contact is identical with the acute angle size of the 4th surface of contact angle with respect to the horizontal plane, direction is identical; Wherein, column type optical element is arranged between the first surface of contact and the second surface of contact.
Its preferred implementation is: the 5th surface of contact of cushion block contacts with the upper surface of base plate.
Its preferred implementation is: the first surface of contact is set to plane, inclined-plane or curved surface, and the first surface of contact and column type optical element carry out bonding formation contact point (line) by bonding agent.
Its preferred implementation is: the second surface of contact is set to plane, inclined-plane or curved surface, and the second surface of contact and column type optical element carry out bonding formation contact point (line) by bonding agent.
Compared with prior art, advantage of the present utility model and good effect are: fixing mode of the present utility model, by the first surface of contact of back-up block and the clamping of the second surface of contact, fixes column type optical element; Secondly, highly regulate the distance between optical element and base plate by the mutual dislocation of adjusting cushion block and back-up block; Again, the first surface of contact and column type optical element carry out bonding formation contact point (line) by bonding agent, the second surface of contact and column type optical element carry out bonding formation contact point (line) by bonding agent, have solved the bonding difficult problem of bonding agent in prior art.
Brief description of the drawings
Fig. 1 is the holding unit schematic diagram of existing free space column type optical element.
Fig. 2 is the holding unit schematic diagram of free space column type optical element of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done further and described in detail.
Fig. 2 is the holding unit schematic diagram of free space column type optical element of the present utility model.As shown in Figure 2, holding unit of the present utility model comprises back-up block 200 and cushion block 300, and back-up block 200 comprises three surface of contact, is respectively the first surface of contact F1, the second surface of contact F2 and the 3rd surface of contact F3; Cushion block 300 comprises two surface of contact, is respectively the 4th surface of contact F4 and the 5th surface of contact F5; Wherein the 3rd surface of contact F3 of back-up block 200 and the 4th surface of contact F4 of cushion block 300 fit.
Wherein, back-up block 200 is L-type structure, column type optical element 100 is arranged between the first surface of contact F1 and the second surface of contact F2 of back-up block 200, and the contact point (line) of column type optical element 100 and the first surface of contact F1 and the second surface of contact F2 is respectively C1 and C2; And the 3rd surface of contact F3 is with respect to the horizontal plane smooth inclined-plane.
Cushion block 300 is a wedge, and its 4th surface of contact F4 is with respect to the horizontal plane smooth inclined-plane, and the acute angle of the angle of this inclined-plane and surface level is identical with the acute angle size of the angle of the 3rd surface of contact F3 and surface level, and direction is identical; The 5th surface of contact F5 of cushion block 300 contacts with the upper surface of base plate 400.Wherein back-up block 200 is adjustable with respect to cushion block 300, can be according to product demand, behind the position of adjusting back-up block 200 and cushion block 300, again back-up block 200 and cushion block 300 are fixed.For example, the center of circle O of column type optical element 100 is H apart from the upper surface (being the 5th surface of contact F5 of cushion block 300) of base plate, the radius of column type optical element 100 is R, the distance of contact point (line) C1 distance the 5th surface of contact F5 is H-R, therefore need the contact position of suitable adjustment back-up block 200 and cushion block 300, to meet above-mentioned requirements.
Wherein, the first surface of contact F1 and the second surface of contact F2 of above-mentioned back-up block are set to plane, inclined-plane or curved surface, and the first surface of contact F1 and column type optical element 100 carry out bonding formation contact point (line) C1 by bonding agent, the second surface of contact F2 and column type optical element 100 carry out bonding formation contact point (line) C2 by bonding agent.
Compared with prior art, advantage of the present utility model and good effect are: fixing mode of the present utility model, by the first surface of contact F1 of back-up block 200 and the clamping of the second surface of contact F2, makes column type optical element 100 fixing; Secondly, highly regulate the distance between optical element 100 and base plate 400 by the mutual dislocation of adjusting cushion block 300 and back-up block 200; Again, the first surface of contact F1 and column type optical element 100 carry out bonding formation contact point (line) C1 by bonding agent, the second surface of contact F2 and column type optical element 100 carry out bonding formation contact point (line) C2 by bonding agent, have solved the bonding difficult problem of bonding agent in prior art.
The above, be only the utility model most preferred embodiment, and not for limiting scope of the present utility model, all equivalences of doing according to the utility model claim change or modify, and are all the utility model and contain.
Claims (6)
1. a holding unit for free space column type optical element, comprises a back-up block and a cushion block, and this back-up block comprises three surface of contact, is respectively first, second, and third surface of contact; This cushion block comprises two surface of contact, is respectively the 4th and the 5th surface of contact; It is characterized in that: the 3rd surface of contact and the 4th surface of contact fit, and the 3rd surface of contact and the 4th surface of contact are with respect to the horizontal plane smooth bevel, meanwhile, the 3rd surface of contact is identical with the acute angle size of the 4th surface of contact angle with respect to the horizontal plane, direction is identical; Wherein, column type optical element is arranged between the first surface of contact and the second surface of contact.
2. the holding unit of a kind of free space column type optical element as claimed in claim 1, is characterized in that: the 5th surface of contact of cushion block contacts with the upper surface of base plate.
3. the holding unit of a kind of free space column type optical element as claimed in claim 1, is characterized in that: the first surface of contact is set to plane, inclined-plane or curved surface.
4. the holding unit of a kind of free space column type optical element as described in claim 1 or 3, is characterized in that: the first surface of contact and column type optical element carry out bonding formation contact point by bonding agent.
5. the holding unit of a kind of free space column type optical element as claimed in claim 1, is characterized in that: the second surface of contact is set to plane, inclined-plane or curved surface.
6. the holding unit of a kind of free space column type optical element as described in claim 1 or 5, is characterized in that: the second surface of contact and column type optical element carry out bonding formation contact point by bonding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128702.3U CN203799091U (en) | 2014-03-20 | 2014-03-20 | Holding device for free-space column type optical elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420128702.3U CN203799091U (en) | 2014-03-20 | 2014-03-20 | Holding device for free-space column type optical elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799091U true CN203799091U (en) | 2014-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420128702.3U Expired - Fee Related CN203799091U (en) | 2014-03-20 | 2014-03-20 | Holding device for free-space column type optical elements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412835A (en) * | 2018-04-26 | 2019-11-05 | 佳能株式会社 | Holding meanss and Optical devices |
-
2014
- 2014-03-20 CN CN201420128702.3U patent/CN203799091U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110412835A (en) * | 2018-04-26 | 2019-11-05 | 佳能株式会社 | Holding meanss and Optical devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20190320 |
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| CF01 | Termination of patent right due to non-payment of annual fee |