CN102681137B - Stationary cam cylinder - Google Patents
Stationary cam cylinder Download PDFInfo
- Publication number
- CN102681137B CN102681137B CN201110064699.4A CN201110064699A CN102681137B CN 102681137 B CN102681137 B CN 102681137B CN 201110064699 A CN201110064699 A CN 201110064699A CN 102681137 B CN102681137 B CN 102681137B
- Authority
- CN
- China
- Prior art keywords
- groove
- section
- protruding axle
- cam cylinder
- groove section
- 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 - Fee Related
Links
- 210000002421 cell wall Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Landscapes
- Lens Barrels (AREA)
Abstract
The invention relates to a stationary cam cylinder which comprises a cylinder body, a guide slot, a first action slot and a second action slot, wherein the guide slot is formed on the cylinder body; the first action slot is formed on the cylinder body and comprises a first slot section and a second slot section which are communicated with each other; the first slot section is staggered with the guide slot; the first slot section of the first action slot is wider than the second slot section of the first action slot; the second action slot is formed on the cylinder body and also comprises a first slot section and a second slot section which are communicated with each other; the second slot section of the second action slot is staggered with the guide slot; the second slot section of the second action slot is wider than the first slot section of the second action slot.
Description
Technical field
The present invention is relevant with lens construction, in more detail refers to a kind of stationary cam cylinder.
Background technology
Known camera lens module stationary cam cylinder used conventionally has the guide channel that several are equally spaced on its barrel, and several and wide start grooves of not being equally spaced staggered with each this guide channel respectively.The lens barrel of this camera lens module has several protruding axles is combined with these start grooves, uses and makes this lens drum can utilize those start grooves to move, and make the flexible object that reaches focusing or zoom of camera lens.The object that the design of these guide channels is not equally spaced is when a protruding axle is wherein in the staggered place through this start groove and this guide channel and when unsettled, in addition several protruding axles by with corresponding start groove combination, avoid these protruding axles to revolve sky simultaneously and cause loosening or stuck object and can reach.
But; refer to Fig. 1; this protruding axle 200 often can be because of a little error of the each member of camera lens module generation in the time manufacturing or assemble in movement; cause the mobile rail mark of this protruding axle 200 easily to produce skew; and cause this protruding axle 200 to advance according to the path of original design; while making this protruding axle 200 move through the staggered place of this start groove 300 and this guide channel 400; and easy and these guide channel 400 side swipes; this will not only can cause the different sound of the flexible generation of camera lens, more likely cause protruding axle 200 to shake or the generation of stuck situation.
Comprehensively the above can be learnt, the design of known fixed cam canister is not attained perfect yet, and the part that still haves much room for improvement.
Summary of the invention
The technical problem to be solved in the present invention is, has different sound or stuck defect when stationary cam cylinder can cause camera lens start in prior art, and a kind of stationary cam cylinder is provided, and has different sound or have stuck situation to occur can not cause lens focusing or zoom time.
The present invention for the technical scheme that its technical matters of solution adopts is: a kind of stationary cam cylinder is provided, in order to be combined with rotating cam cylinder and lens barrel, this rotating cam cylinder has at least one the first protruding axle and at least one the second protruding axle, and this lens barrel has and has a projection at least.This stationary cam cylinder includes stack shell, at least one guide channel, at least one the first start groove and at least one the second start groove, and wherein, this stack shell has first end; This guide channel is formed on this stack shell, and is formed with the first opening in this first end; This first start groove is formed on this stack shell, and is formed with the second opening in this first end; This first start groove includes the first groove section and the second groove section that are connected, and the first groove section of this first start groove and this guide channel are staggered, and the groove width of the first groove section of this first start groove is greater than the groove width of the second groove section of this first start groove; This second start groove is formed on this stack shell, and is formed with the 3rd opening in this first end; This second start groove includes the first groove section and the second groove section that are connected, and the second groove section of this second start groove and this guide channel are staggered, and the groove width of the second groove section of this second start groove is greater than the groove width of the first groove section of this second start groove.
Separately, the projection of this lens barrel is arranged in this guide channel; This first protruding axle of this rotating cam cylinder is arranged in this first start groove, and this second protruding axle is arranged in this second start groove; In the time that this first protruding axle is positioned at the first groove section of this first start groove, this second protruding axle is positioned at the first groove section of this second start groove; In the time that this second protruding axle is positioned at the second groove section of this second start groove, this first protruding axle is positioned at the second groove section of this first start groove.
Implement stationary cam cylinder of the present invention, there is following beneficial effect: in the time that this first protruding axle is positioned at the first groove section of this first start groove, this second protruding axle will be positioned at this first groove section of the second start groove; So, respectively this first protruding axle carries out zoom or focusing and during by the first groove section of this first start groove and the staggered place of this guide channel at this camera lens module, because of the groove width of the first groove section of these the first start grooves larger, and can avoid respectively this first protruding axle and the interference of this guide channel, the first groove section of these the second start grooves and the matching relationship of these the second protruding axles contribute to this first protruding axle when mobile, to be difficult for producing skew, make this first protruding axle be smoothly through the junction of this guide channel and this first start groove, and different sound or stuck situation can not occur.In the same manner, in the time that this second protruding axle is positioned at the second groove section of this second start groove, this first protruding axle is positioned at the second groove section of this first start groove; So,, respectively this second protruding axle is when by the second groove section of this second start groove and the staggered place of this guide channel, and the matching relationship of same the second groove section because of this first protruding axle and this first start groove can not interfered with this guide channel.
Accompanying drawing explanation
Fig. 1 is known fixed cam canister inwall planimetric map.
Fig. 2 is camera lens module stereographic map provided by the present invention.
Fig. 3 is stationary cam cylinder stereographic map of the present invention.
Fig. 4 and Fig. 5 are stationary cam drum outer wall planimetric map of the present invention.
Fig. 6 is the design diagram of the first start groove of the present invention and the second start groove.
Fig. 7 is another design diagram of the first start groove of the present invention and the second start groove.
Embodiment
For being illustrated more clearly in the present invention, hereby lifting preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
Refer to Fig. 2, the camera lens module 100 of preferred embodiment of the present invention includes stationary cam cylinder 1, lens barrel 2 and rotating cam cylinder 3.Wherein:
Continuous consult Fig. 3 to Fig. 5, this stationary cam cylinder 1 includes stack shell 10, and is located at three guide channels on these stack shell 10 inwalls 20, three the first start grooves 30 and three the second start grooves 40.This stack shell 10 has first end 10a, and respectively this guide channel 20 is formed with the first opening 21 in this first end 10a.In addition, in the present embodiment, respectively this guide channel 20 is directly to enter groove, but not as limit, in design the also cell body of other kenel of this guide channel 20.
These the first start grooves 30 run through the barrel of this stack shell 10, and respectively this first start groove 30 includes the first groove section 31 and the second groove section 32 that are connected, and respectively this first start groove 30 is formed with the second opening 33 in this first end 10a.Wherein, this first groove section 31 is communicated with this second opening 33, and this first groove section 31 is staggered with corresponding guide channel 20, and in addition, the groove width D1 of this first groove section 31 is greater than the groove width D2 of this second groove section 32.
Respectively this second start groove 40 includes the first groove section 41 and the second groove section 42 that are connected, and respectively this second start groove 40 is formed with the 3rd opening 43 in this first end 10a.Wherein, this first groove section 41 is communicated with the 3rd opening 43, and this second groove section 42 is staggered with corresponding guide channel 20, and in addition, the groove width d1 of this first groove section 41 is less than the groove width d2 of this second groove section 42.
This lens barrel 2 is located in this stationary cam cylinder 1, and in be provided with plural pieces eyeglass (not shown).This lens barrel 2 is provided with three projection 2a, and respectively this projection 2a is located in respectively in this guide channel 20 by the first opening 21 of correspondence, so that this lens barrel 2 is limited by these guide channels 20 along rectilinear movement, and limit according to this this lens barrel and rotate, use the object that reaches focusing or zoom, and can avoid the optical centre of this camera lens module 100 to produce skew simultaneously.
This rotating cam cylinder 3 is located in this stationary cam cylinder 1 equally, and between this lens barrel 2 and this stationary cam cylinder 1.This rotating cam cylinder 3 is provided with three the first protruding axle 3a and three the second protruding axle 3b, respectively this first protruding axle 3a is located in respectively in this first start groove 30 by the second opening 33 of correspondence, and respectively this second protruding axle 3b is located in respectively in this second start groove 40 by the 3rd opening 43 of correspondence.In the present embodiment, the object that the first start groove 30 of this stationary cam cylinder 1 runs through these stack shell 10 barrels is to be connected with motor (not shown) respectively for these first protruding axle 3a, and making this rotating cam cylinder 3 be subject to motor driving and rotate, the object that the second start groove 40 does not run through these stack shell 10 barrels is to be in order to assist these rotating cam cylinder 3 rotationals more smooth and easy.
By this, refer to Fig. 4, in the time that this first protruding axle 3a is positioned at this first groove section 31, this second protruding axle 3b will be positioned at this first groove section 41; So, respectively this first protruding axle 3a carries out zoom or focusing and when staggered place by this first groove section 31 and this guide channel 20 at this camera lens module 100, because of the groove width D1 of these the first groove sections 31 larger, and can avoid respectively this first protruding axle 3a and this guide channel 20 to interfere, these the first groove sections 41 contribute to this first protruding axle 3a when mobile, to be difficult for producing skew with the pass that coordinates of these the second protruding axle 3b, make this first protruding axle 3a be smoothly through the junction of this guide channel 20 and this first start groove 30, and different sound or stuck situation can not occur.In the same manner, refer to Fig. 5, in the time that this second protruding axle 3b is positioned at this second groove section 42, this first protruding axle 3a is positioned at this second groove section 32; So, respectively this second protruding axle 3b is in the time of the staggered place by this second groove section 42 and this guide channel 20, equally because the matching relationship of this first protruding axle 3a and this second groove section 32 can not interfered with this guide channel 20.
In addition, refer to Fig. 6, these start groove 30,40 designs in the present embodiment are entered by this first groove section 31 after these the second groove section 32 1 preset distances at the first protruding axle 3a of this rotating cam cylinder 3, and this second protruding axle 3b just enters this second groove section 42 by this first groove section 41.The object of above-mentioned design is to make this first protruding axle 3a and this second protruding axle 3b to be side by side the state of close fit with this first start groove 30, this second start groove 40, and can be more level and smooth while making this first protruding axle 3a be entered this second groove section or this second protruding axle 3b and entered this first groove section 41 by this second groove section 42 by this first groove section 31.Certainly, these start grooves 30,40 also can be as shown in Figure 7 in design, when the first protruding axle 3a of this rotating cam cylinder 3 is entered this second groove section 31 by this first groove section 31 time, this second protruding axle 3b enters this second groove section 42 by this first groove section 41, can reach equally the present invention and prevent different sound or the object of stuck generation.
Should be noted that, due to the matching relationship between above-mentioned the first start groove 30, the second start groove 40 and the first protruding axle 3a, the second protruding axle 3b, it is the contact relation between protruding axle periphery wall and start groove cell wall, so above-mentioned groove width D1, D2, d1, d2, in the present embodiment, refer to respectively on these start groove 30,40 1 cell walls in fact respectively this protruding axle 3a, 3b produced to guide function position, to the width at the corresponding position of another cell wall.In general design, the flute profile of these start grooves 30,40 is dovetail, and the conical that these protruding axles are corresponding cooperation, therefore, above-mentioned groove width D1, D2, d1, d2 may be the breadth extremes between two cell walls of these start grooves 30,40, may be also the width between minimum widith or any one position of two cell walls.
In addition, the quantity of the first start groove of the present invention and the second start groove is not limited with three, and also can design the barrel that the first start groove and the second start groove all run through stack shell.Moreover guide channel of the present invention and start groove are not limited in the inwall that is formed on stationary cam cylinder, also can be formed on the outer wall of stationary cam cylinder.As long as the groove width of these start grooves and guide channel staggered place is greater than the groove width of these other groove sections of start groove, no matter it uses how many guide channels or how many start grooves, also belong to another form of implementation of the present invention again.
The foregoing is only the better possible embodiments of the present invention, the equivalent structure that all application instructions of the present invention and claim are done and method for making change, and ought to be included in the scope of the claims of the present invention.
Claims (8)
1. a stationary cam cylinder, in order to be combined with rotating cam cylinder and lens barrel, is characterized in that, this rotating cam cylinder has at least one the first protruding axle and at least one the second protruding axle, and this lens barrel has and have a projection at least, and this stationary cam cylinder includes:
Stack shell, has first end;
At least one guide channel, is formed on this stack shell, and is formed with the first opening in this first end;
At least one the first start groove, is formed on this stack shell, and is formed with the second opening in this first end; This first start groove includes the first groove section and the second groove section that are connected, and the first groove section of this first start groove and this guide channel are staggered, and the groove width of the first groove section of this first start groove is greater than the groove width of the second groove section of this first start groove;
At least one the second start groove, is formed on this stack shell, and is formed with the 3rd opening in this first end; This second start groove includes the first groove section and the second groove section that are connected, and the second groove section of this second start groove and this guide channel are staggered, and the groove width of the second groove section of this second start groove is greater than the groove width of the first groove section of this second start groove;
Separately, the projection of this lens barrel is arranged in this guide channel; This first protruding axle of this rotating cam cylinder is arranged in this first start groove, and this second protruding axle is arranged in this second start groove; In the time that this first protruding axle is positioned at the first groove section of this first start groove, this second protruding axle is positioned at the first groove section of this second start groove; In the time that this second protruding axle is positioned at the second groove section of this second start groove, this first protruding axle is positioned at the second groove section of this first start groove.
2. stationary cam cylinder as claimed in claim 1, is characterized in that, this second opening is communicated with this first groove section of this first start groove; The 3rd opening is communicated with this first groove section of this second start groove.
3. stationary cam cylinder as claimed in claim 1, is characterized in that, this guide channel, this first start groove and this second start groove are all formed at the inwall of this stack shell.
4. stationary cam cylinder as claimed in claim 1, is characterized in that, this guide channel is directly to enter groove.
5. stationary cam cylinder as claimed in claim 1, it is characterized in that, when the first protruding axle of this rotating cam cylinder enters the second groove section of this first start groove by the first groove section of this first start groove, the second groove section that this second protruding axle enters this second start groove by the first groove section of this second start groove simultaneously.
6. stationary cam cylinder as claimed in claim 1, it is characterized in that, the first protruding axle of this rotating cam cylinder is entered by the first groove section of this first start groove after the second groove section preset distance of this first start groove, and this second protruding axle is entered the second groove section of this second start groove by the first groove section of this second start groove.
7. stationary cam cylinder as claimed in claim 1, is characterized in that, this first start groove runs through the barrel of this stack shell.
8. stationary cam cylinder as claimed in claim 1, is characterized in that, this first start groove and this second start groove all run through the barrel of this stack shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110064699.4A CN102681137B (en) | 2011-03-09 | 2011-03-09 | Stationary cam cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110064699.4A CN102681137B (en) | 2011-03-09 | 2011-03-09 | Stationary cam cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102681137A CN102681137A (en) | 2012-09-19 |
| CN102681137B true CN102681137B (en) | 2014-05-28 |
Family
ID=46813321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110064699.4A Expired - Fee Related CN102681137B (en) | 2011-03-09 | 2011-03-09 | Stationary cam cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102681137B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6381382B2 (en) * | 2014-09-17 | 2018-08-29 | キヤノン株式会社 | Lens barrel and optical equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001033682A (en) * | 1999-07-15 | 2001-02-09 | Canon Inc | Lens-barrel structure |
| JP2005115169A (en) * | 2003-10-09 | 2005-04-28 | Olympus Corp | Lens barrel |
| JP2007004037A (en) * | 2005-06-27 | 2007-01-11 | Funai Electric Co Ltd | Optical unit |
| CN101533140A (en) * | 2008-03-11 | 2009-09-16 | 佳能株式会社 | Lens barrel and imaging apparatus |
| CN101688964A (en) * | 2007-04-13 | 2010-03-31 | 株式会社理光 | Lens barrel, camera and information device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4194569B2 (en) * | 2005-02-16 | 2008-12-10 | キヤノン株式会社 | Optical equipment |
| JP5074695B2 (en) * | 2006-02-17 | 2012-11-14 | キヤノン株式会社 | Lens barrel |
| JP4974649B2 (en) * | 2006-11-08 | 2012-07-11 | オリンパスイメージング株式会社 | Lens frame |
-
2011
- 2011-03-09 CN CN201110064699.4A patent/CN102681137B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001033682A (en) * | 1999-07-15 | 2001-02-09 | Canon Inc | Lens-barrel structure |
| JP2005115169A (en) * | 2003-10-09 | 2005-04-28 | Olympus Corp | Lens barrel |
| JP2007004037A (en) * | 2005-06-27 | 2007-01-11 | Funai Electric Co Ltd | Optical unit |
| CN101688964A (en) * | 2007-04-13 | 2010-03-31 | 株式会社理光 | Lens barrel, camera and information device |
| CN101533140A (en) * | 2008-03-11 | 2009-09-16 | 佳能株式会社 | Lens barrel and imaging apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102681137A (en) | 2012-09-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2754869A1 (en) | Integrated rail system and method for making and using same | |
| CN104785993A (en) | Electrical box spot welding device | |
| CN103217856B (en) | A kind of focus adjusting mechanism of monitoring camera | |
| CN102681137B (en) | Stationary cam cylinder | |
| CN103777305A (en) | Camera module and voice coil motor thereof | |
| US7891581B2 (en) | Positioning device for a cover of a headlight cleaning system | |
| JP2011039389A5 (en) | ||
| US20130271858A1 (en) | Lens structure and image capturing device thereof | |
| CN105735609A (en) | Inserting-connection type floors | |
| KR20170089504A (en) | Camera module | |
| CN206523663U (en) | Camera lens module | |
| CN103676078A (en) | Zoom lens adjusting structure | |
| CN203339819U (en) | Split stator of servo motor and splicing tool | |
| JP2012042681A5 (en) | ||
| CN203705716U (en) | Camera module group and voice coil motor thereof | |
| CN204103614U (en) | Assembled stator structure | |
| CN204513271U (en) | A kind of car light and photoconduction mounting structure thereof | |
| CN205509834U (en) | Can reduce voice coil motor of mounting height | |
| CN103246042B (en) | Camera lens mechanism and electronic device provided with camera lens mechanism | |
| US9983381B2 (en) | Lens barrel and optical instrument | |
| CN202486496U (en) | Novel aperture diaphragm with high energy utilization ratio | |
| CN202956524U (en) | Lens driving device | |
| CN106842531A (en) | Can continuous zoom micro objective | |
| CN207731002U (en) | Camera lens module | |
| CN105573040A (en) | Projection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 |