CN2932433Y - Focusing device of video camera lens - Google Patents
Focusing device of video camera lens Download PDFInfo
- Publication number
- CN2932433Y CN2932433Y CN200620122483.3U CN200620122483U CN2932433Y CN 2932433 Y CN2932433 Y CN 2932433Y CN 200620122483 U CN200620122483 U CN 200620122483U CN 2932433 Y CN2932433 Y CN 2932433Y
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- China
- Prior art keywords
- sleeve
- camera lens
- rack member
- gear
- focus control
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- 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.)
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Abstract
The utility model discloses a focus control of camera lens, in particular to a focus control which works more simple and exact. The utility model comprises the first tooth condition, the second tooth condition, the first adjustable device and the second adjustable device, wherein the first and the second tooth conditions are connected with the first and the second adjustable sleeve barrels of corresponding lens as integration separately, the first and the second adjustable devices are provided with the first and the second tooth conditions correspondingly. The first adjustable device comprise a knob and a gear driven by the knob, wherein the gear gear-meshes with the second tooth condition, thereby can drive the second lenses seat of the lens moving only through turning the knob.
Description
Technical field
The utility model relates to a kind of focus control of camera lens, and in particular, it relates to a kind of a kind of device at the focusing of the camera lens in the surveillance.
Background technology
At present, the video camera in the commercially available supervisory system all is provided with zoom lens, and the staff is many to monitor photographic picture with manual mode adjustment focal length clearly to obtain.Zoom lens 10 has two lens mounts 11,12, sees also Fig. 1, Fig. 2, and first lens mount 11 of the outer end of described zoom lens 10 is the focusing lens group, and the second inner lens mount 12 is one times of focus lens group.Adjust described first and second lens mount 11,12 position, back before, just can set the surveillance distance and the visual angle width of described video camera.
Isogonism is provided with three salient points 111,121 (can locking mode fixedly salient point 111,121) on described first and second lens mount 11,12, the position of the described relatively salient point 111,121 of described zoom lens 10 is provided with arc guide barrel 13,14, move in pairing guide groove 13,14 by three salient points 111,121, can adjust the front and back position of first and second lens mount 11,12 in zoom lens 10.Other is provided with two telescopic first and second and adjusts sleeve 15,16, to be enclosed within the two ends of described zoom lens 10 respectively, and the described inwall that first and second adjusts sleeve 15,16 is provided with three axial linearity grooves 151,161 with respect to salient point 111,121 places on pairing first and second lens mount 11,12.When rotating described first and second when adjusting sleeve 15,16, drive first and second lens mount 11,12 by groove 151,161 and rotate.In the rotation of described first and second lens mount 11,12, understand because of each salient point 111,121 moving in the arc guide barrel 13,14 of correspondence, and make first and second lens mount 11,12 produce forward and backward mobile effect.Adjust focus for convenient, respectively be provided with a driving lever 152,162, adjust sleeve 15,16 rotations conveniently to stir described first and second so described first and second adjusted on the sleeve 15,16.
Above-mentioned focusing operation must be opened the cover plate of video camera (not shown on a figure) shell or a gathering hole, presents driving lever 152,162, and the operation driving lever.In addition, directly stir driving lever 152,162, be difficult for pushing the most correct position, the puzzlement when increasing focusing.
Summary of the invention
The utility model overcomes and has showed deficiency of the prior art, and a kind of more simple, practical camera lens focus control that reaches the fine setting effect with manual mode is provided.
The focus control of camera lens provided by the utility model can be adjusted focal length with bottle opener, offers two apertures for the bottle opener insertion at the shell of video camera.
The focus control of camera lens provided by the utility model, include first lens mount that is arranged on the outer end, be arranged on the second inner lens mount, and corresponding respectively first and second adjustment sleeve that is set on first and second lens mount, the described rotation that first and second adjusts sleeve can make described first and second lens mount do forward and backward moving respectively; It is characterized in that: one first rack member, adjust sleeve with first of first lens mount of camera lens and connect to one, it includes a lug, and described lug is provided with the tooth bar that a circular arc is extended, and described tooth bar and described first is adjusted the stack shell of sleeve on two concentric circless; One second rack member is adjusted sleeve with second of second lens mount of camera lens and is connected to one, and it includes a lug, and described lug is provided with the tooth bar that a circular arc is extended, and the stack shell of described tooth bar and the described second adjustment sleeve is on two concentric circless; One first adjusting gear, described adjusting gear comprises: a knob, an and gear that is driven by knob; The tooth bar engagement of described gear and described first rack member drives described first and adjusts the sleeve rotation when gear rotates; The top of described knob is provided with the chase that bottle opener inserts; One second adjusting gear, its adjusting gear comprises: a knob, an and gear that is driven by knob; The tooth bar engagement of described gear and described second rack member can drive described second and adjust the sleeve rotation when gear rotates; The top of described knob is provided with the chase that bottle opener inserts.
The described knob top of described first and second adjusting gear is provided with can be for the chase of bottle opener insertion, and the staff adjusts described first camera lens with bottle opener and moves, and can more easily, accurately adjust to suitable position.
Compared with prior art, the focus control of camera lens described in the utility model, its structure is simplified, and the shell that need not to open video camera just can be adjusted camera lens easily and adjusts to best photographic effect, favourable staff adjusts lens focus, is a kind of ideal and practical design.
Description of drawings
Fig. 1 is the stereographic map of common camera lens;
Fig. 2 is the exploded view of use shown in Figure 1;
Fig. 3 is assembled in the outside drawing of embodiment on the camera lens for the utility model;
Fig. 4 is a side view embodiment illustrated in fig. 3;
Fig. 5 is the structural representation that is loaded in the eyeball type video camera embodiment illustrated in fig. 3;
Fig. 6 is the partial cutaway diagrammatic sketch 1 of fixed mount and portable plate;
Fig. 7 is the partial cutaway diagrammatic sketch 2 of fixed mount and portable plate.
Description of reference numerals: 10-camera lens; 11-first lens mount; The 111-salient point; 12-second lens mount; The 121-salient point; The 13-arc guide barrel; The 14-arc guide barrel; 15-first adjusts sleeve; The 151-groove; The 152-driving lever; 16-second adjusts sleeve; The 161-groove; The 162-driving lever; The 1-focus control; 20-first rack member; The 21-lug; The 22-tooth bar; 30-second rack member; The 31-lug; The 32-tooth bar; 40-first adjusting gear; The 41-knob; The 42-gear; The 43-chase; 50-second adjusting gear; The 51-knob; The 52-gear; The 53-chase; The 60-shell; The 61-aperture; The 62-aperture; The 63-bottle opener; The 64-fixed mount; 641-breaks groove; The 65-portable plate; The 651-elongated hole.
Embodiment
When the phtographic lens of video camera being focused with manual mode, all must open the cover plate on casing or the casing in the past; And the adjustment property controlled of stirring mode with hand is relatively poor, easily took place and too late situation, and the utility model is adjusted focal length in the mode of rotating bottle opener.So, only need to be provided with on casing and can supply the deep aperture of bottle opener, can apply focusing work, and be easy to control focus effect, focusing work will be more simple, accurate.Enumerate embodiment and cooperate graphicly, structural attitude of the present utility model and effect are described in detail in detail.
See also the focus control of the shown camera lens of the utility model shown in Figure 3, camera lens 10 wherein is a prior art, it comprises: first lens mount 11 that is arranged on front end, be arranged on the second inner lens mount 12, and corresponding respectively first and second adjustment sleeve 15,16 that is set on first and second lens mount 11,12, the described rotation that first and second adjusts sleeve 15,16 makes first and second lens mount 11,12 do forward and backward moving respectively.By adjusting described first and second lens mount 11,12 position, back before, just can set the surveillance distance and the visual angle width of described video camera.
The focus control 1 main focal length at the above-mentioned camera lens of adjustment that the utility model is shown makes the photography function absorb clearly picture to monitoring the place.Described focus control 1 comprises: one first rack member 20, one second rack member 30, one first adjusting gear 40, and one second adjusting gear 50.Wherein, corresponding described respectively first and second of described first and second rack member 20,30 adjusted sleeve 15,16 and is provided with, and corresponding described respectively first and second rack member 20,30 of described first and second adjusting gear 40,50 is provided with.
Please cooperate Fig. 4, the first above-mentioned rack member 20 connects to one with the described first adjustment sleeve 15.Described first rack member 20 comprises and is provided with a lug 21, and described lug 21 is provided with the tooth bar 22 that a circular arc is extended, and described tooth bar 22 and described first is adjusted the stack shell of sleeve 15 on two concentric circless.The first above-mentioned adjusting gear 40 comprises: a knob 41, an and gear 42 that is driven by knob 41.Described gear 42 meshes with the tooth bar 22 of described first rack member 20, makes described gear 42 rotate seasonal described first rack member 20 and described first and adjusts the rotation synchronously of sleeve 15 dos, and then described first lens mount 11 is moved forward and backward.The top of described knob 41 is provided with the chase 43 that can insert for bottle opener, and then the staff can adjust described first camera lens 11 with bottle opener and moves, and can more easily, accurately adjust to suitable position.
The second above-mentioned rack member 30 connects to one with the described second adjustment sleeve 16.Described second rack member 30 comprises and is provided with a lug 31, and described lug 31 is provided with the tooth bar 32 that a circular arc is extended, and described tooth bar 32 and described second is adjusted the stack shell of sleeve 16 on two concentric circless.The second above-mentioned adjusting gear 50 comprises: a knob 51, an and gear 52 that is driven by knob.Described gear 52 meshes with the tooth bar 32 of described second rack member 30, can make described second rack member 30 and described second adjust sleeve 16 when described gear 52 is rotated and do synchronous the rotation, and then described second lens mount 12 is moved forward and backward.The top of described knob 51 is provided with and can makes the staff adjust described second camera lens 12 with bottle opener and move, and can more easily, accurately adjust to suitable position for the chase 53 of bottle opener insertion.
Described first and second rack member 20,30 correspondences in the foregoing description cement in described first and second and adjust on the sleeve 15,16, are combined into one and make described first and second rack member 20,30 adjust sleeve 15,16 with described first and second respectively.In real the work, also can pass through screw (not shown on the figure) described first and second rack member 20,30 lockings are adjusted on the sleeve 15,16 at described first and second.
See also shown in Figure 5, the video camera that uses the utility model device to focus, on its shell 60 two apertures 61,62 need only be set, for the staff bottle opener 63 be stretched into by described two apertures 61,62, to adjust the appropriate location of first and second camera lens 11,12 (see figure 3)s respectively.
For the facility of installing, described first and second adjusting gear 40,50 can be arranged on the same support body.In the present embodiment, described second adjusting gear 50 is installed on the fixed mount 64, and described first adjusting gear 40 is arranged on the portable plate 65, and 65 lockings of described portable plate are on described fixed mount 64.See also Fig. 6, the interlocking hole on the described portable plate 65 is an elongated hole 651, adjusting the position of portable plate 65, and makes described first and second adjusting gear 40,50 can adjust to the position of corresponding described first and second rack member 20,30.See also Fig. 7, the upper end of described fixed mount 64 is provided with a microscler broken groove 641, imports to allow described first adjusting gear 40.
Claims (9)
1. the focus control of a camera lens, include first lens mount that is arranged on the outer end, be arranged on the second inner lens mount, and corresponding respectively first and second adjustment sleeve that is set on first and second lens mount, the described rotation that first and second adjusts sleeve makes described first and second lens mount do forward and backward moving respectively; It is characterized in that:
One first rack member is adjusted sleeve with first of first lens mount of camera lens and is connected to one, and it includes a lug, and described lug is provided with the tooth bar that a circular arc is extended, and the stack shell of described tooth bar and the described first adjustment sleeve is on two concentric circless;
One second rack member is adjusted sleeve with second of second lens mount of camera lens and is connected to one, and it includes a lug, and described lug is provided with the tooth bar that a circular arc is extended, and the stack shell of described tooth bar and the described second adjustment sleeve is on two concentric circless;
One first adjusting gear, described adjusting gear comprises: a knob, an and gear that is driven by knob; The tooth bar engagement of described gear and described first rack member drives described first and adjusts the sleeve rotation when gear rotates; The top of described knob is provided with the chase that bottle opener inserts;
One second adjusting gear, described adjusting gear comprises: a knob, an and gear that is driven by knob; The tooth bar engagement of described gear and described second rack member drives described second and adjusts the sleeve rotation when gear rotates; The top of described knob is provided with the chase that bottle opener inserts.
2. the focus control of camera lens according to claim 1 is characterized in that: described first rack member and described first is adjusted sleeve and is formed in one.
3. the focus control of camera lens according to claim 1 is characterized in that: described second rack member and described second is adjusted sleeve and is formed in one.
4. the focus control of camera lens according to claim 1 is characterized in that: described first rack member cements in described first and adjusts on the sleeve.
5. the focus control of camera lens according to claim 1 is characterized in that: described second rack member cements in described second and adjusts on the sleeve.
6. the focus control of camera lens according to claim 1 is characterized in that: described first rack member is adjusted on the sleeve described first with screw locking.
7. the focus control of camera lens according to claim 1 is characterized in that: described second rack member is adjusted on the sleeve described second with screw locking.
8. the focus control of camera lens according to claim 1, it is characterized in that: described second adjusting gear is installed on the fixed mount, and described first adjusting gear is arranged on the portable plate, and the locking of described portable plate is on the said fixing frame.
9. the focus control of camera lens according to claim 1, it is characterized in that: the interlocking hole on the described portable plate is an elongated hole, adjusts the position of portable plate, adjusts to the position of corresponding described first and second rack member by first and second adjusting gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620122483.3U CN2932433Y (en) | 2006-07-28 | 2006-07-28 | Focusing device of video camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620122483.3U CN2932433Y (en) | 2006-07-28 | 2006-07-28 | Focusing device of video camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2932433Y true CN2932433Y (en) | 2007-08-08 |
Family
ID=38348930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200620122483.3U Expired - Fee Related CN2932433Y (en) | 2006-07-28 | 2006-07-28 | Focusing device of video camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2932433Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338916A (en) * | 2011-04-02 | 2012-02-01 | 罗劲 | Additional toothed ring for optical lens |
| WO2012136068A1 (en) * | 2011-04-02 | 2012-10-11 | Luo Jin | Additional knurled ring for optical lens |
| CN102890323A (en) * | 2011-07-21 | 2013-01-23 | 佳能企业股份有限公司 | Image capturing device and lens module thereof |
| CN111965190A (en) * | 2020-08-26 | 2020-11-20 | 深圳市壹倍科技有限公司 | Flexible membrane material surface defect detection device and system |
-
2006
- 2006-07-28 CN CN200620122483.3U patent/CN2932433Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338916A (en) * | 2011-04-02 | 2012-02-01 | 罗劲 | Additional toothed ring for optical lens |
| WO2012136068A1 (en) * | 2011-04-02 | 2012-10-11 | Luo Jin | Additional knurled ring for optical lens |
| CN102338916B (en) * | 2011-04-02 | 2016-01-20 | 罗劲 | A kind of additional toothed ring for optical lens |
| CN102890323A (en) * | 2011-07-21 | 2013-01-23 | 佳能企业股份有限公司 | Image capturing device and lens module thereof |
| CN102890323B (en) * | 2011-07-21 | 2015-04-15 | 佳能企业股份有限公司 | Image capturing device and lens module thereof |
| CN111965190A (en) * | 2020-08-26 | 2020-11-20 | 深圳市壹倍科技有限公司 | Flexible membrane material surface defect detection device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070808 Termination date: 20110728 |