CN203287602U - Optical lens shifting device - Google Patents
Optical lens shifting device Download PDFInfo
- Publication number
- CN203287602U CN203287602U CN2013203239960U CN201320323996U CN203287602U CN 203287602 U CN203287602 U CN 203287602U CN 2013203239960 U CN2013203239960 U CN 2013203239960U CN 201320323996 U CN201320323996 U CN 201320323996U CN 203287602 U CN203287602 U CN 203287602U
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- CN
- China
- Prior art keywords
- guide rail
- focusing lens
- guide
- lens assembly
- fixed head
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model discloses an optical lens shifting device, which comprises a focusing lens assembly, a magnifying lens assembly, a first guide rail and a second guide rail, wherein the first guide rail and the second guide rail are parallelly arranged, the focusing lens assembly and the magnifying lens assembly are slidably installed on the first guide rail and the second guide rail, the first guide rail is provided with a locking device used for shifting and positioning the focusing lens assembly and the magnifying lens assembly. The locking device is loosened and the shifted when the lens assemblies are required to be shifted; and the locking device is locked when the lens assemblies are required to be positioned.
Description
Technical field
The utility model relates to a kind of optical frames Mechanical Moving location technology, particularly a kind ofly connects the locking positioning device by single armed in the finite space, especially applicable light of stage follow spot light field.
Background technology
At present, the device that is used for connection running fix camera lens is varied, but in light of stage follow spot light field, the optical imaging lens group generally is comprised of two groups of optical lens groups, as shown in figure 15, one group is that enlarging lens group 2a(realizes the projected spot size variation), another group realizes the sharpness of hot spot when zooming in or out for focusing lens group 1a(), these two groups of lens group are set on one group of guide rail 5a that be arranged in parallel, but all isolated operations; When needs moving magnifier head group 2a, the handle 3a that promotes to be arranged on the lens group both sides can realize, when the mobile focusing lens group of needs 1a, rotating wheel 4a gets final product.This mobile device complex structure, the moving positioning device that is used at present connecting this two arrangements of mirrors head exist that volume requirement is large, cost is high, inconvenient operation, operation noise are high, can move the problems such as stroke is limited, operation is unreliable.
The utility model content
The utility model is intended to address the above problem to a certain extent.
Goal of the invention of the present utility model is to overcome the deficiencies in the prior art, provides a kind of simple and reasonable for structure, can make lens group mobile device very easily in mobile and position fixing process.
for solving the problems of the technologies described above, the utility model adopts following scheme, a kind of optical frames mobile device, comprise the focusing lens assembly, enlarging lens assembly and the first guide rail and the second guide rail that be arranged in parallel, described focusing lens assembly and enlarging lens assembly slidably are installed on the first guide rail and the second guide rail, be provided with on described the first guide rail for mobile and location focusing lens assembly and enlarging lens assembly locking device, when needs moving lens assembly type, unclamp locking device and movable locking device gets final product, when the lens assembly of needs location, the locking locking device gets final product.
preferred version of the present utility model, described locking device comprises guide, brake member, brake pushrod, brake pushrod seat and handle, described guide slidably is sleeved on guide rail, be provided with breach on described guide, described brake member is arranged in this breach and with guide rail, slidably is connected, described brake pushrod seat is arranged on the breach of guide and with guide, is fixedly connected with, described brake pushrod is threaded with the brake pushrod seat, handle is connected with an end of brake pushrod, when needs locking lens group, turning handle, driving brake pushrod advances and pushes brake member, brake member is held the first guide rail tightly, the restriction lens group moves, on the contrary, when needs moving lens group, turning handle, drive brake pushrod and retreat, and brake member and the first guide rail unclamp, and driving handle can be realized the moving lens group.
Technique scheme is further improved and is, described locking device also comprises two bearings; Described two bearings are separately positioned on the two ends of guide, and locking device contacts with the first guide rail by two bearings.
Preferred version of the present utility model, described focusing lens assembly comprises focusing lens, focusing lens fixed head, focusing lens is fixedly connected with the focusing lens fixed head by some bolts; The focusing lens fixed head is fixedly connected with compression device.
Technique scheme is further improved and is, be provided with bearing on described the second guide rail, described bearing is installed on the focusing lens fixed head.
Preferred version of the present utility model, the device of described enlarging lens group comprise magnifier, magnifier fixed head, and magnifier is installed on the magnifier fixed head; The magnifier fixed head is fixedly connected with compression device.
Technique scheme is further improved and is, be provided with bearing on described the second guide rail, described bearing is installed on the magnifier fixed head.
The beneficial effects of the utility model are, the utility model operates by monolever, and on limited space, handle need not to avoid camera lens external diameter scope, by the both forward and reverse directions rotating handles, can realize unclamping or locking of focusing lens assembly or enlarging lens assembly; The left and right directions that can realize focusing lens assembly or enlarging lens assembly by the left and right directions moving handle moves, thereby realizes focusing or the amplification effect of hot spot.
Description of drawings
Fig. 1 is the three-dimensional exploded perspective view of this optical frames moving positioning device.
Fig. 2 is the duty schematic perspective view of this optical frames moving positioning device.
Fig. 3 is this optical frames moving positioning device power end lens group releasing orientation schematic diagram.
Fig. 4 is this optical frames moving positioning device power end lens group locking positioning view.
Fig. 5 is bearing flange 3 sectional perspective diagrammatic cross-sections.
Fig. 6 is the three-dimensional diagrammatic cross-section of bearing 2.
Fig. 7 is guide 7 sectional perspective diagrammatic cross-sections.
Fig. 8 is brake member 8 schematic perspective views.
Fig. 9 is the sectional perspective diagrammatic cross-section of handle 12.
Figure 10 is brake pushrod 10 schematic perspective views.
Figure 11 is optical frames moving positioning device front elevation.
Figure 12 is optical frames mobile device A section amplification view.
Figure 13 is optical frames mobile device B section cutaway view Amplified image.
Figure 14 is brake pushrod seat 11 sectional perspective diagrammatic cross-sections.
Figure 15 is prior art mobile device structural representation.
Embodiment
Describe structure of the present utility model and principle of work in detail below in conjunction with accompanying drawing.
A kind of optical frames mobile device described in the utility model, comprise focusing lens assembly, enlarging lens assembly, the first guide rail that be arranged in parallel and the second guide rail, locking device.As Fig. 2, shown in Figure 11, the first guide rail and the second guide rail parallel setting, enlarging lens assembly and focusing lens assembly are sleeved on the first guide rail and the second guide rail.
Concrete, as shown in Figure 1 and Figure 2, the enlarging lens assembly comprises: magnifier 5, magnifier fixed head 6, and magnifier 5 is fixed on magnifier fixed head 6 by some bolts 4; Magnifier fixed head 6 both sides are provided with guide end and power end, and guide end and power end are provided with through hole, and guide end and power end are set on the second guide rail and the first guide rail by this through hole respectively; As Figure 12, be provided with bearing 2 on guide end, bearing 2 is fixed on magnifier fixed head 6 by some bolts 15 by flange 3; As Figure 13, locking device comprises that guide 7, brake member 8, brake pushrod 10, brake pushrod seat 11 and handle 12 form, guide 7 slidably is sleeved on the first guide rail 1, be provided with breach on guide 7, brake member 8 is arranged in this breach and with the first guide rail 1, slidably is connected, brake pushrod seat 11 is arranged on the breach of guide 7 and by bolt 17, with guide 7, is fixedly connected with, brake pushrod 10 is threaded with brake pushrod seat 11, handle 12 is fixedly connected with an end of brake pushrod 10, and the other end of brake pushrod 10 is connected with brake member 8; The power end of magnifier fixed head 6 is fixedly connected with by bolt 15 with locking device.
As shown in Figure 1 and Figure 2, the device of focusing lens group comprises: focusing lens 13, focusing lens fixed head 14, and focusing lens 13 is fixedly connected with focusing lens fixed head 14 by some bolts 4; Focusing lens fixed head 14 both sides are respectively equipped with guide end and power end, and guide end and power end are provided with through hole, and guide end and power end are set on the second guide rail and the first guide rail by this through hole respectively; As Figure 12, be provided with bearing 2 on guide end, bearing 2 is fixed on focusing lens fixed head 14 by some bolts 15 by flange 3; As Figure 13, focusing lens fixed head 14 is connected by bolt 15 with locking device.
As Figure 12, flange 3 is fixed on bearing 2 on focusing lens fixed head 14 by some bolts 15; As Fig. 6, bearing 2 is provided with the endoporus 21 that matches with the guide rail external diameter, and bearing 2 can move along guide rail; As Fig. 5, flange 3 inside are provided with ladder circular hole 32,33, protrusion step 22 on bearing 2 overlaps mutually with the circular hole 33 on flange 3, flange 3 is set mainly for solving because the reasons such as processing, distortion or assembling cause the first track and the not parallel institute of the second guide rail, causes the problems such as having some setbacks, have noise that moves.
As Fig. 7, the whole one-tenth cylinder type of guide 7, the sidewall that cylinder surface is provided with breach 74, breach 74 places is provided with threaded hole 75, and cylindrical two end faces are provided with threaded hole 71, and inside is provided with the through hole 73 suitable with the first guide rail; As Fig. 8, brake member 8 has the rectangular parallelepiped external form suitable with guide 7 breach, has the semicircle orifice 82 suitable with the first guide rail external diameter on one face, has groove 81 on another face; As Fig. 9, the whole one-tenth cylinder type of handle 12, handle 12 is provided with the striped 124 of knurling, increases the coefficient of friction while holding, and operates and is more prone to; Handle 12 inside have through hole 123, have screw thread 121 on the forward part inwall of through hole, have threaded hole 122 on the handle inwall; As Figure 10, brake pushrod 10 comprises successively the first cylindrical section 104, the second cylindrical section 105, the three cylindrical sections 102 that connect, and wherein the second cylindrical section 105 section of being provided with external thread and draw-in groove 101, the three cylindrical sections 102 is provided with groove 103; As shown in figure 14, brake pushrod seat 11 comprises the cylinder type body, is provided with the first cylindrical hole 111 and the second cylindrical hole 112 that are interconnected in body, and wherein the first cylindrical hole inwall is provided with internal thread, the cylinder type body is provided with two flanks, and flank is provided with threaded hole 113; The concrete assembly relation of locking device such as Fig. 3, Fig. 4 and shown in Figure 13, guide 7 is set on the first track and with the first guide rail 1 and slidably is connected by through hole 73, brake member 8 is arranged in breach 74, threaded hole 113 on brake pushrod seat 11 flanks is oppositely arranged with the threaded hole 75 of guide 7, by bolt 17, brake pushrod seat 11 is fixedly connected with guide 7, the second cylindrical section 105 of brake pushrod 10 is threaded with the first cylindrical hole 111 in brake pushrod seat 11, and handle 12 is threaded with the first cylindrical section 104 of brake pushrod 10; The power end of magnifier fixed head 6 is fixedly connected with by bolt 15 with locking device, and locking device also comprises two bearings 2; Protrusion step 22 on bearing 2 is inserted in guide 7, bearing cap 9 is limited to bearing 2 in guide 7, locking device contacts with the first guide rail by two bearings, mainly for solving because the reasons such as processing, distortion or assembling cause the first track and the not parallel institute of the second guide rail, causes the problems such as having some setbacks, have noise that moves.When needs locking lens group, turning handle 12, drive brake pushrod 10 and advance and push brake member 8, until brake member 8 is held the first guide rail 1 tightly, brake member 8 and the first guide rail 1 produce friction force, and the restriction lens group moves; On the contrary, when needs moving lens group, turning handle 12, drive brake pushrod 10 and retreat, and brake member 8 and the first guide rail 1 unclamp, and driving handle 12 can be realized the moving lens group.
On brake pushrod 10, the external diameter of three cylindrical section 102 is larger than the second cylindrical section 105, prevent that brake pushrod 10 is because misoperation breaks away from from brake pushrod seat 11, play brake pushrod 10 anti-avulsion effects, brake pushrod 10 is provided with well 103, while for brake pushrod 10, entering brake pushrod seat 11.
During assembling, brake pushrod 10 is by the screw-internal thread fit of the first cylindrical hole 111 in the external thread on the second cylindrical section 105 and brake pushrod seat 11, brake pushrod seat 11 is connected with guide 7 by bolt 17 together with brake pushrod 10, and brake member 8 is placed between brake pushrod seat 11 and power linear bearing guide 7; Extension 114 on brake pushrod seat 11 is placed in brake member 8 upper grooves 81, prevent that brake member 8 from moving, semicircle orifice 82 on brake member 8 matches with the first track 1 external diameter, compress or releasing of brake spare 8 by brake pushrod 10, while making the compression of semicircle orifice 82 on brake member 8 and the first track 1 external diameter, (as Fig. 4) realizes stationary positioned, unclamps (as Fig. 3) after separation and can move on the first track 1.
On the second cylindrical section 105 of brake pushrod 10, screw thread matches with handle 12 internal threads 121, when handle 12 is provided with screw thread hole 122, with brake pushrod 10 upper grooves 101 when corresponding, bolt 16 can be inserted in groove 101 by screw thread hole 122, thereby prevents that brake pushrod 10 from rotating and realizing that handle 12 and brake pushrod 10 firmly fix together; Handle 12 transfers by positive and reverse return the turnover that realizes brake pushrod 10 to be changed, thereby promote the compression of brake member 8 or unclamp variation, thereby while realizing unclamping, whole focusing component or amplifier module move along the first track, realize location or realize focusing or enlarging function when mobile.
Both forward and reverse directions rotation by handle 12 can realize that the releasing orientation (shown in Figure 3) of enlarging lens group and focusing lens group and locking positioning state (shown in Figure 4) change, promote enlarging lens group and focusing lens group by translation handle 12, can realize that spot size changes and spot definition changes
The utility model operates by single armed, on limited space (as Figure 12, handle (12) need not to avoid camera lens external diameter scope), can realize unclamping or locking of focusing lens assembly or enlarging lens assembly by both forward and reverse directions rotating handles (12), and the angle of both forward and reverse directions rotation do not need too greatly, need not worry that handle (12) can come off when operation yet; The left and right directions that can realize focusing lens assembly or enlarging lens assembly by left and right directions moving handle (12) moves, thereby realizes focusing or the amplification effect of hot spot.
The foregoing is only giving an example of embodiment of the present utility model; not in order to limit the utility model; therefore, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (7)
1. optical frames mobile device, comprise focusing lens assembly, enlarging lens assembly and the first guide rail that be arranged in parallel and the second guide rail, described focusing lens assembly and enlarging lens assembly slidably are installed on the first guide rail and the second guide rail, it is characterized in that, be provided with on described the first guide rail for mobile and location focusing lens assembly and enlarging lens assembly locking device.
2. optical frames mobile device according to claim 1, it is characterized in that, described locking device comprises guide, brake member, brake pushrod, brake pushrod seat and handle, described guide slidably is sleeved on guide rail, be provided with breach on described guide, described brake member is arranged in this breach and with the first guide rail, slidably is connected, described brake pushrod seat is arranged on the breach of guide and with guide, is fixedly connected with, described brake pushrod is threaded with the brake pushrod seat, handle is connected with an end of brake pushrod, the other end of brake pushrod is connected with brake member.
3. optical frames mobile device according to claim 2, is characterized in that, described locking device also comprises two bearings; Described two bearings are separately positioned on the two ends of guide.
4. optical frames mobile device according to claim 1, is characterized in that, described focusing lens assembly comprises focusing lens, focusing lens fixed head, and focusing lens is fixedly connected with the focusing lens fixed head by some bolts; The focusing lens fixed head is fixedly connected with compression device.
5. optical frames mobile device according to claim 4, is characterized in that, is provided with bearing on described the second guide rail, and described bearing is installed on the focusing lens fixed head.
6. optical frames mobile device according to claim 1, is characterized in that, the device of described enlarging lens group comprises magnifier, magnifier fixed head, and magnifier is installed on the magnifier fixed head; The magnifier fixed head is fixedly connected with compression device.
7. optical frames mobile device according to claim 6, is characterized in that, is provided with bearing on described the second guide rail, and described bearing is installed on the magnifier fixed head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203239960U CN203287602U (en) | 2013-06-06 | 2013-06-06 | Optical lens shifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203239960U CN203287602U (en) | 2013-06-06 | 2013-06-06 | Optical lens shifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287602U true CN203287602U (en) | 2013-11-13 |
Family
ID=49543958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203239960U Expired - Lifetime CN203287602U (en) | 2013-06-06 | 2013-06-06 | Optical lens shifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203287602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019154052A1 (en) * | 2018-02-07 | 2019-08-15 | 广州市浩洋电子股份有限公司 | Focusing structure of zoom spotlight |
-
2013
- 2013-06-06 CN CN2013203239960U patent/CN203287602U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019154052A1 (en) * | 2018-02-07 | 2019-08-15 | 广州市浩洋电子股份有限公司 | Focusing structure of zoom spotlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Private science and Technology Park Branch Road Baiyun District of Guangzhou City, Guangdong province 510540 No. 8 Guangzhou Chaiyi light Co Ltd Patentee after: Guangzhou Colourful Lighting Co.,Ltd. Address before: Private science and Technology Park Branch Road Baiyun District of Guangzhou City, Guangdong province 510540 No. 8 Guangzhou Chaiyi light Co Ltd Patentee before: GUANGZHOU FINEART LIGHTING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |