CN104793311A - Connecting mechanism of lens and lens mount - Google Patents
Connecting mechanism of lens and lens mount Download PDFInfo
- Publication number
- CN104793311A CN104793311A CN201510216554.XA CN201510216554A CN104793311A CN 104793311 A CN104793311 A CN 104793311A CN 201510216554 A CN201510216554 A CN 201510216554A CN 104793311 A CN104793311 A CN 104793311A
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- CN
- China
- Prior art keywords
- camera lens
- connecting hole
- crushing block
- retaining ring
- lens
- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/022—Mountings, adjusting means, or light-tight connections, for optical elements for lenses lens and mount having complementary engagement means, e.g. screw/thread
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Structure And Mechanism Of Cameras (AREA)
Abstract
The invention discloses a connecting mechanism of a lens and a lens mount, applied between the lens and the lens mount in pluggable connection. A connecting pore column for insertion of the cylinder end of the lens is arranged on the lens mount, the connecting column of the lens mount is provided with evenly arranged extrusion parts surrounding the center of the connecting pore column, a retaining member used for evenly pressing the extrusion parts to the end of the lens cylinder is connected to the outside of the connecting pore column. The method of matching the extrusion block and the retaining member enables the lens and the lens mount not to shift during the process of fixing, and thereby the vertical relation between the lens and the sensor plate after assembling is guaranteed.
Description
Technical field
The present invention relates to pick-up lens syndeton technical field, the bindiny mechanism of especially a kind of camera lens and lens mount.
Background technology
The camera lens part of video camera is grouped into and mainly comprises camera lens, lens mount and sensor plate (i.e. optical sensor plate), in order to ensure image quality, camera lens should keep the vertical relation between sensor plate, and the annexation of camera lens, lens mount and sensor plate should be enough stable.Annexation wherein between lens mount and sensor plate can be fixed, but the annexation between camera lens and lens mount then should not directly be fixed when considering for replacing camera lens is convenient.
In the prior art, the connected mode of camera lens and lens mount mainly contains two kinds, and first camera lens and lens mount are threaded connection, and it two is that camera lens is connected by patching relation with lens mount.The camera lens be threaded connection and lens mount need the dimensional accuracy of double thread to carry out the accurate control of high cost, avoid causing camera lens to rock and effect diagram picture because thread gaps is excessive.Inadequate on degree of being connected firmly by the camera lens and lens mount that patch relation connection, camera lens after for this reason patching and lens mount also will be locked by an additional latch mechanism again, existing latch mechanism have employed locking strap, locking strap arranges the set screw regulating locking strap diameter, but there is locking strap is greater than the shrinkage amplitude of other positions problem at the shrinkage amplitude at set screw place, this problem can cause the verticality between camera lens generation deflection influence camera lens and sensor plate.
Summary of the invention
The object of this invention is to provide the bindiny mechanism of a kind of camera lens and lens mount, the verticality between camera lens and sensor plate can be ensured, connect also firm.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: the bindiny mechanism of a kind of camera lens and lens mount, be applied to and patch between the camera lens of connection and lens mount, wherein lens mount is provided with the connecting hole post stretched into for camera lens cylindricality end, the connecting hole post of lens mount is provided with the extrusion be evenly arranged around connecting hole post center, have a retaining ring in the outside of described connecting hole post, described extrusion is evenly pressed to described camera lens cylindricality end by described retaining ring.Basic connected mode between camera lens of the present invention and lens mount or plug-in type, stationary mode after a kind of camera lens and lens mount patch mainly is disclosed, the structure adopted is coordinated by extrusion and locking member, can ensure that locking member is in the process of exerting pressure by uniform extruding, extrusion for camera lens cylindricality end to make a concerted effort be zero, in the process of assembling camera lens, remain the vertical relation between camera lens and sensor plate.
As a further improvement on the present invention and optimize, the present invention also takes following measures:
Tapping outside described connecting hole post, described retaining ring is connected with connecting hole male screw, and retaining ring inwall is provided with flange, and retaining ring is in screwing operations, and described extrusion is pressed to described camera lens cylindricality end by described flange.Retaining ring moves down relative to described connecting hole post in screwing operations, and in the process moved down, flange can constantly be exerted pressure until the annexation between camera lens and lens mount is enough firm to described extrusion.
Described extrusion is the crushing block of several discontinuous wedge shapes, and described crushing block fixedly stands on the opening part of described connecting hole post and is evenly arranged around connecting hole post center.Coordinate the flange of described retaining ring with the crushing block of wedge shape, in the folding process of retaining ring, flange progressively becomes large to make whole locking process become uniform, controllable more for the force of wedge shaped squeeze block along with its change of shape.
Described crushing block has eight, and the gap between two adjacent crushing blocks is less than 1/6th of crushing block length.The quantity of crushing block and gap length can have an impact for the biasing effect of locking member, and excesssive gap can cause crushing block to hold camera lens shakiness tightly, and crushing block quantity then affects the uniformity coefficient of locking member force.
Described flange is that the circle be positioned on described retaining ring upper port inwall is protruding continuously, the thickness of the crushing block of described wedge shape evenly increases to fixed connecting end from free end, crushing block is an inclined-plane towards flange, retaining ring is in locking process, described flange along crushing block inclined-plane extruding described in crushing block, crushing block is arc surface towards the one side inside connecting hole post and is adjacent to camera lens cylindricality end.
Between described crushing block and connecting hole post, thickness setting is less than the connection cushion block of crushing block bottom width.This connection cushion block has two effects, and the first in order to avoid make crushing block affect the body shape of connecting hole post, and then affects the relation that is spirally connected between camera lens and lens mount as the buffering between crushing block and connecting hole post; It two is connection pad thickness can be done the little crushing block that is beneficial to produce larger deformation when being squeezed and play better squeezing effect.
Described retaining ring is nut shape, is the through hole through camera lens cylindricality end in the middle part of it.Retaining ring being designed to nut shape is be convenient to manually utilize spanner to screw.
Described extrusion is evenly be arranged at least three shell fragments on connecting hole post or salient point.
Described salient point is fixedly connected on described connecting hole capital end, and its one side towards retaining ring is spindle, and its unsettled one end is all less than the thickness in the middle part of it with the thickness being fixed in the one end on connecting hole post.
After adopting technique scheme, the present invention has following outstanding advantages: the mode that have employed crushing block and retaining ring cooperation makes camera lens and lens mount keep not offseting in the process of interfixing, ensure that camera lens and sensor plate vertical relation after assembly, design is optimized for crushing block and retaining ring, crushing block adopts the wedge structure being easy to occur deformation and deformation process and evenly strengthening, retaining ring have employed rotational lock mode, not only coordinates better with the crushing block of wedge structure but also ensure that the stressed equalization of each crushing block.
Figure of description
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present invention;
Fig. 2 is camera lens of the present invention and camera lens annexation structural representation;
Fig. 3 is retaining ring structural representation of the present invention;
Fig. 4 is the A place partial enlarged drawing of Fig. 3;
Fig. 5 is one of crushing block state;
Fig. 6 is crushing block state two;
Fig. 7 is the cooperation schematic diagram using salient point as extrusion and retaining ring.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment
First should be clear and definite, what the present invention relates to is picture pick-up device for high-precision requirement, the camera apparatus of especially high pixel, and require all higher to the precision of camera lens and lens mount and mounting means, slightly deviation all can have a direct impact image imaging effect.
See Fig. 1, the each exploded view related in the present embodiment, connect with plugging mode between camera lens 1 and lens mount 2, so be provided with the connecting hole post 21 stretched into for camera lens cylindricality end 11 on lens mount 2, concrete plugging mode is prior art, repeat no more in this article, but require emphasis camera lens 1 and lens mount 2 are be in metastable connection status after patching connection, camera lens 1 and the sensor plate 5 that is positioned at below lens mount 2 are in vertical relation.See Fig. 1, the connecting hole post 21 of lens mount 2 is provided with the extrusion be evenly arranged around connecting hole post center, the embodiment of this extrusion can be continuous print structure also can be the structure disconnected, the preferred in the present embodiment structure disconnected, meanwhile, the locking member 3 described extrusion being pressed to described camera lens cylindricality end 11 is also provided with in the outside of described connecting hole post 21.The extrusion be evenly arranged around connecting hole post 21 presses to camera lens cylindricality end 11 after being subject to locking member extruding, camera lens 1 is fixed on lens mount 2, simultaneously due to the uniform layout of extrusion, camera lens 1 is made to keep balance on stressed, be subject to all directions extrusion to make a concerted effort be zero, so camera lens 1 and lens mount 2 can not offset in assembling process, so can ensure that camera lens 1 and the sensor plate 5 be positioned at below lens mount 2 remain vertical relation, effectively prevent because skew appears in camera lens 1 and cause image quality issues.
See Fig. 1-4, tapping outside described connecting hole post 21, on retaining ring 3 inwall tapping thread and and connecting hole post 21 be threaded, retaining ring 3 inwall is also provided with flange 31, sees Fig. 2, the process that retaining ring 3 down rotates is screwing operations, in the process that continuous backspin screws, described flange 31 is also continuous exerts pressure to extrusion, and then makes extrusion can embrace described camera lens cylindricality end 11 firmly, stablizes the annexation of camera lens 1 and lens mount 2.Have employed the mode that rotational lock is exerted pressure in the present embodiment, make extrusion stressed guarantee in all directions even, and then made a concerted effort in the process that camera lens cylindricality end 11 is embraced at squeezed casting die to be zero can not to offset.Certainly, the locking mode of retaining ring can also adopt the mode beyond above-mentioned preferred implementation, such as can adopt the locking mode be clasped, by arranging at the outer wall of connecting hole post and retaining ring inwall the fastener cooperatively interacted, when retaining ring presses to certain altitude, fastener fastens locking mutually.
See Fig. 1 and Fig. 2, in the present embodiment, described extrusion is preferably the crushing block 4 of several discontinuous wedge shapes, each crushing block 4 is evenly arranged around connecting hole post center, simultaneously, for the ease of better coordinating with retaining ring 3, described crushing block fixedly stands on the opening part of described connecting hole post 21.As preferably, described crushing block 4 has eight, and the gap between two adjacent crushing blocks is less than 1/6th of crushing block length.Optimal way using discontinuous construction as the present embodiment extrusion, mainly because crushing block 4 will deform in the extrusion process being subject to retaining ring 3, the extrusion of continuous structure obviously and be unfavorable for deformation, the degree of being connected firmly between camera lens 1 and lens mount 2 can be affected like this, but discontinuous crushing block 4 quantitatively should be suitable for, although preferred quantity is eight in the present embodiment, but be not limited to eight, too much quantity can cause workpiece too complicated and can too smallly be unfavorable for holding camera lens cylindricality end 11 tightly at the body of each crushing block 4, and the gap between adjacent crushing block is suitably done little of the contact area increased between crushing block 4 and camera lens cylindricality end 11 when not affecting deformation process, crushing block 4 is made more easily to hold camera lens cylindricality end 11 tightly.
See Fig. 2 to Fig. 4, wherein Fig. 3 gives the cross section structure of retaining ring, the structure of described flange 31 then unnecessarily adopts the discontinuous construction of relative complex again, a circle in the present embodiment for being positioned on described retaining ring 3 upper port inwall is protruding continuously, coordinate the thickness of the crushing block 4 of wedge shape evenly to increase to fixed connecting end from free end with flange 31, crushing block 4 is an inclined-plane towards flange 31, retaining ring 3 is in locking process, described flange 31 along crushing block inclined-plane extruding described in crushing block 4, in the process that retaining ring 3 is constantly screwed down, flange 31 constantly increases along with the thickness increase of crushing block 4 for the pressure of crushing block 4, so the power that crushing block 4 holds camera lens cylindricality end 11 tightly is also that increase is progressively until finally stablize, like this then the screwing operations screwing ring 3 is become more be easy to grasp, annexation between camera lens 1 and lens mount 2 is also more firm, as adaptive decision design, crushing block 4 inside connecting hole post 21 one side be arc surface and be adjacent to camera lens cylindricality end 11.And described retaining ring 3 is nut shape, be certainly not limited to nut type, be the through hole through camera lens cylindricality end 11 in the middle part of it, locking 3 can be screwed by spanner by operator, facilitates operation.
See Fig. 5 and Fig. 6, wherein Fig. 5 is retaining ring 3 state when starting to screw, and Fig. 6 is the state that retaining ring 3 has screwed, and between described crushing block 4 and connecting hole post 21, thickness setting is less than the connection cushion block 41 of crushing block bottom width.Bottom width due to crushing block 4 is larger, so the deformation of crushing block 4 can be hindered, connection cushion block 41 is set and is beneficial to crushing block deformation by unsettled for a part for the bottom of crushing block 4, require emphasis herein simultaneously, crushing block 4 also can have the elastic force in a direction after deformation to retaining ring, annexation under this elastic force effect between retaining ring 3 and connecting hole post 21 is more firm, and the design connecting cushion block 41 then can strengthen this elastic force.
It may be noted that, described extrusion also has other numerous embodiments, such as can for being evenly arranged at least three shell fragments on connecting hole post or salient point, but principle and described wedge shaped squeeze block similar, wherein Fig. 7 illustrates the matching relationship of salient point 6 and retaining ring 3, salient point 6 is fixedly connected on the top of described connecting hole post 21, its bumps 6 is spindle towards the one side of retaining ring 3, its unsettled one end is that first the increase gradually of thickness of pointed end extension process bumps reduces gradually again, the thickness of one end of the affixed connecting hole post 21 of salient point 6 is less than the thickness in the middle part of it, the shape of salient point 6 can be made to be easy to retaining ring 3 coordinate, and also easily deform under the effect of retaining ring 3.
Except above preferred embodiment, the present invention also has other embodiment, and those skilled in the art can make various change according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (9)
1. the bindiny mechanism of a camera lens and lens mount, be applied to and patch between the camera lens of connection and lens mount, wherein lens mount (2) is provided with the connecting hole post (21) stretched into for camera lens cylindricality end (11), it is characterized in that: on the connecting hole post (21) of lens mount, be provided with the extrusion be evenly arranged around connecting hole post center, have a retaining ring (3) in the outside of described connecting hole post (21), described extrusion is evenly pressed to described camera lens cylindricality end (11) by described retaining ring (3).
2. the bindiny mechanism of camera lens according to claim 1 and lens mount, it is characterized in that: described connecting hole post (21) outside tapping, described retaining ring (3) and connecting hole post (21) are threaded, retaining ring (3) inwall is provided with flange (31), retaining ring (3) is in screwing operations, and described extrusion is pressed to described camera lens cylindricality end (11) by described flange (31).
3. the bindiny mechanism of camera lens according to claim 2 and lens mount, it is characterized in that: described extrusion is the crushing block (4) of several discontinuous wedge shapes, and described crushing block fixedly stands on the opening part of described connecting hole post (21) and is evenly arranged around connecting hole post center.
4. the bindiny mechanism of camera lens according to claim 3 and lens mount, is characterized in that: described crushing block (4) has eight, and the gap between two adjacent crushing blocks is less than 1/6th of crushing block length.
5. the bindiny mechanism of camera lens according to claim 3 and lens mount, it is characterized in that: described flange (31) is for being positioned at the circle projection continuously on described retaining ring (3) upper port inwall, the thickness of the crushing block (4) of described wedge shape evenly increases to fixed connecting end from free end, crushing block (4) is an inclined-plane towards flange (31), retaining ring (3) is in locking process, described flange (31) along crushing block inclined-plane extruding described in crushing block (4), crushing block (4) is arc surface towards the one side of (21) inside connecting hole post and is adjacent to camera lens cylindricality end (11).
6. the camera lens according to claim 3 or 5 and the bindiny mechanism of lens mount, is characterized in that: between described crushing block (4) and connecting hole post (21), thickness setting is less than the connection cushion block (41) of crushing block bottom width.
7. the bindiny mechanism of camera lens according to claim 2 and lens mount, is characterized in that: described retaining ring (3) is nut shape, is the through hole through camera lens cylindricality end (11) in the middle part of it.
8. the bindiny mechanism of camera lens according to claim 2 and lens mount, is characterized in that: described extrusion is evenly be arranged at least three shell fragments on connecting hole post or salient point.
9. the bindiny mechanism of camera lens according to claim 8 and lens mount, it is characterized in that: described salient point (6) is fixedly connected on described connecting hole capital end, and its one side towards retaining ring (3) is spindle, its unsettled one end is all less than the thickness in the middle part of it with the thickness of the one end be fixed on connecting hole post (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216554.XA CN104793311A (en) | 2015-04-30 | 2015-04-30 | Connecting mechanism of lens and lens mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510216554.XA CN104793311A (en) | 2015-04-30 | 2015-04-30 | Connecting mechanism of lens and lens mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104793311A true CN104793311A (en) | 2015-07-22 |
Family
ID=53558269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510216554.XA Pending CN104793311A (en) | 2015-04-30 | 2015-04-30 | Connecting mechanism of lens and lens mount |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104793311A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174036A (en) * | 2018-11-13 | 2020-05-19 | 浙江宇视科技有限公司 | Camera base and camera |
| WO2021212596A1 (en) * | 2020-04-23 | 2021-10-28 | 麦克奥迪实业集团有限公司 | Device for replacing light collecting lens of microscope |
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| JP2008199877A (en) * | 2007-02-09 | 2008-08-28 | Kojun Seimitsu Kogyo Kofun Yugenkoshi | Motor structure |
| CN202886700U (en) * | 2012-10-10 | 2013-04-17 | 深圳银星精工科技发展有限公司 | Monitoring lens fixing seat |
| CN103217770A (en) * | 2013-04-18 | 2013-07-24 | 苏州佳世达光电有限公司 | Lens fixing module and projector using same |
| CN203350590U (en) * | 2013-02-21 | 2013-12-18 | 杭州海康威视数字技术股份有限公司 | Lens enclasping mechanism and video camera |
| CN203587940U (en) * | 2013-12-12 | 2014-05-07 | 厦门力鼎光电技术有限公司 | Camera lens fixing device |
| CN203630427U (en) * | 2013-11-22 | 2014-06-04 | 松下电器（中国）有限公司 | Zoom lens installation structure and surveillance camera |
| CN204203535U (en) * | 2014-09-18 | 2015-03-11 | 深圳誉品光电技术有限公司 | The syndeton of a kind of camera lens and lens mount |
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2015
- 2015-04-30 CN CN201510216554.XA patent/CN104793311A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008199877A (en) * | 2007-02-09 | 2008-08-28 | Kojun Seimitsu Kogyo Kofun Yugenkoshi | Motor structure |
| CN202886700U (en) * | 2012-10-10 | 2013-04-17 | 深圳银星精工科技发展有限公司 | Monitoring lens fixing seat |
| CN203350590U (en) * | 2013-02-21 | 2013-12-18 | 杭州海康威视数字技术股份有限公司 | Lens enclasping mechanism and video camera |
| CN103217770A (en) * | 2013-04-18 | 2013-07-24 | 苏州佳世达光电有限公司 | Lens fixing module and projector using same |
| CN203630427U (en) * | 2013-11-22 | 2014-06-04 | 松下电器（中国）有限公司 | Zoom lens installation structure and surveillance camera |
| CN203587940U (en) * | 2013-12-12 | 2014-05-07 | 厦门力鼎光电技术有限公司 | Camera lens fixing device |
| CN204203535U (en) * | 2014-09-18 | 2015-03-11 | 深圳誉品光电技术有限公司 | The syndeton of a kind of camera lens and lens mount |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111174036A (en) * | 2018-11-13 | 2020-05-19 | 浙江宇视科技有限公司 | Camera base and camera |
| WO2021212596A1 (en) * | 2020-04-23 | 2021-10-28 | 麦克奥迪实业集团有限公司 | Device for replacing light collecting lens of microscope |
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Application publication date: 20150722 |