CN212623268U - Lens adjusting device - Google Patents
Lens adjusting device Download PDFInfo
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- CN212623268U CN212623268U CN202020398679.5U CN202020398679U CN212623268U CN 212623268 U CN212623268 U CN 212623268U CN 202020398679 U CN202020398679 U CN 202020398679U CN 212623268 U CN212623268 U CN 212623268U
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Abstract
The utility model discloses a lens adjusting device, which comprises a fixed support, a lens support, a connecting piece and a fastening elastic piece, wherein the lens support is provided with a region for installing a lens; the fixed support and the lens support are respectively provided with a first guide area and a second guide area, one end of the connecting piece is movably connected to the first guide area of the fixed support, and the other end of the connecting piece is movably connected to the second guide area of the lens support, so that the lens support and the fixed support can relatively displace in at least two directions under external force; the lens support is arranged on the fixed support through the fastening elastic sheet. The utility model discloses a lens adjusting device is through two guide areas of a connecting piece swing joint, thereby fixed bolster and lens support move on the connecting piece through guide area and drive the lens displacement, carry out the position control of lens equidirectional respectively, have replaced the regulation structure of two sets of guide rails or slide rail commonly used, simple structure, reduction in manufacturing cost and the operation of being convenient for.
Description
Technical Field
The utility model relates to a position control instrument technical field especially relates to a lens adjusting device.
Background
Due to the existence of machining and installation tolerances, optical devices in projection equipment generally need to be adjusted to obtain qualified image pictures, and particularly, lenses with high requirements on the coincidence ratio of a central position and an optical axis. Therefore, the position of the lens is required to be adjusted through the lens adjusting device in the design process, and the lens adjusting device plays a role in stabilizing the light source convergence by adjusting the position of the lens in the XY plane in a certain direction.
At present, the most common lens adjusting structure is that a vertical guide rail is arranged on the different side faces of an optical device, a knob is arranged on the guide rail, the knob is abutted to an optical lens arranged on the guide rail through rotating the knob, the lens is pushed to move, the structure can better adjust the center of the lens in a wider space range, but the structure has the problems of more complex structure, large occupied space, high manufacturing cost and the like, and particularly, the structure has obvious defects when used in a blocked space range, namely, the structure is difficult to realize the simultaneous adjustment of two directions in the blocked space range. Therefore, it is desirable to develop a lens adjusting device that can satisfy the adjustment requirement of the lens position while having low cost and easy operability, instead of the conventional lens adjusting device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lens adjusting device, simple structure is with low costs, and easy and simple to handle.
In order to achieve the above object, the utility model discloses a technical scheme be: there is provided a lens adjusting apparatus including:
the lens fixing device comprises a fixing support, a lens support, a connecting piece and a fastening elastic piece, wherein the lens support is provided with a region for mounting a lens;
the fixed support and the lens support are respectively provided with a first guide area and a second guide area, one end of the connecting piece is movably connected to the first guide area of the fixed support, and the other end of the connecting piece is movably connected to the second guide area of the lens support, so that the lens support and the fixed support can be relatively displaced in at least two directions under external force;
the lens support is arranged on the fixed support through the fastening elastic sheet.
The first guide area is provided with a first rail along a first direction, the second guide area is provided with a second rail along a second direction, one end of the connecting piece is slidably assembled on the first rail, and the other end of the connecting piece is slidably assembled on the second rail.
Wherein the first rail is a first kidney-shaped hole penetrating the fixing bracket and arranged along the first direction, the second rail is a second kidney-shaped hole penetrating the lens bracket and arranged along the second direction, the first direction is perpendicular to the second direction, and the connecting member is a fastening screw penetrating through the first kidney-shaped hole and the second kidney-shaped hole.
Wherein, the quantity of first waist type hole and second waist type hole is multiunit.
The fastening elastic sheet comprises a flat plate part arranged on one side, a pressing claw arranged on the opposite side and a connecting part for connecting the flat plate part and the pressing claw, and the pressing claw inclines towards the flat plate part to form a clamping opening; the inner side of the flat plate part is provided with a positioning column, the side edge of the fixed support is provided with a positioning hole, and when the fixed support and the lens support are clamped by the fastening elastic sheet, the positioning column is inserted into the positioning hole so that the fastening elastic sheet and the fixed support cannot be separated from each other on the plane;
the pressing claw presses the lens holder against the fixed holder so that the lens holder and the fixed holder cannot be displaced relative to each other in the perpendicular direction of the contact surface.
The lens adjusting device further comprises a locking elastic sheet and a fastener, a through hole is formed in the locking elastic sheet and corresponds to the waist-shaped hole, the fastener sequentially penetrates through the first waist-shaped hole, the second waist-shaped hole and the through hole, and the lens support and the fixing support are fixed on the locking elastic sheet.
The lens is fixed on the lens bracket through a lens elastic sheet; all be equipped with a plurality of corresponding bolt holes on lens shell fragment and the lens support, both pass through the detachable connection of bolt.
The fixing support is provided with a light through hole corresponding to the region where the lens is installed, and the light through hole is used for accommodating the lens and the lens elastic sheet.
The lens support is further provided with an adjusting hole, and a gap is formed at the position corresponding to the position of the adjusting hole on the fixed support, so that the adjusting hole is exposed and connected with the adjusting piece.
The lens support is provided with a plurality of adjusting holes, wherein the number of the adjusting holes is a plurality of adjusting holes, and the adjusting holes are symmetrically distributed by taking the perpendicular bisector of the lens support as a center line.
Use the utility model discloses lens adjusting device's beneficial effect: the two guide areas are movably connected through the connecting piece, the fixed support and the lens support move on the connecting piece through the guide areas to drive the lens to move, the positions of the lens in different directions are respectively adjusted, the adjusting structure of two commonly used guide rails or slide rails is replaced, the structure is simple, the manufacturing cost is reduced, and the operation is convenient.
Drawings
To illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings without creative efforts.
FIG. 1 is an exploded schematic view of an embodiment of a lens adjustment apparatus of the present invention;
FIG. 2 is an assembly schematic of an embodiment of a lens adjustment apparatus of the present invention;
FIG. 3 is a schematic view of the lens holder of FIG. 1;
FIG. 4 is a schematic structural view of the fixing bracket of FIG. 1;
fig. 5 is a schematic structural view of the fastening spring in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, a lens adjusting apparatus of the present invention includes a fixing bracket 106, a lens bracket 103, a connecting member and a fastening elastic sheet 102, wherein the lens bracket 103 is provided with a region for mounting a lens 104; the fixed support 106 and the lens support 103 are respectively provided with a first guide area and a second guide area, one end of the connecting piece is movably connected to the first guide area of the fixed support 106, and the other end of the connecting piece is movably connected to the second guide area of the lens support 103, so that the lens support 103 and the fixed support 106 can be relatively displaced in at least two directions under an external force; the lens holder 103 is mounted on the fixing holder 106 by means of the fastening spring 102.
The lens adjusting apparatus of the present embodiment adjusts the position of the lens 104 using the relative sliding of the guide region and the link member instead of the guide rail which is generally used. The lens support 103 is used for installing and fixing the lens 104, the fixing support 106 is used for installing the lens support 103, and the fixing support 106 and the lens support 103 are installed in a mode that the fixing support 106 and the lens support 103 are clamped by the fastening elastic sheet 102 so that the fixing support 106 and the lens support 103 are tightly attached. The fastening elastic sheet 102 is used for clamping the fixing support 106 and the lens support 103 before the fixing support 106 and the lens support 103 are fixed into a whole, and limiting the movement of the fixing support 106 and the lens support 103 in the vertical direction of the contact surface of the fixing support 106 and the lens support 103. When an external force is applied to the lens support 103, the lens support 103 can move in the first direction through the relative movement of the first guide area and the connecting piece, and can also move in the second direction through the relative movement of the second guide area and the connecting piece, so that the lens 104 can be displaced in different directions, and the lens 104 can be accurately positioned after a few times of adjustment. The specific structure of the fixing bracket 106, the lens bracket 103 and the connecting member will be described in detail below.
Optionally, the first guide area is provided with a first rail along the first direction, the second guide area is provided with a second rail along the second direction, one end of the connecting member is slidably assembled on the first rail, and the other end of the connecting member is slidably assembled on the second rail. The first track and the second track can be sliding grooves or long holes, and only the connecting piece needs to slide, so that the lens 104 can be driven to generate displacement, and the position adjustment of the lens 104 is completed.
Alternatively, the first rail is a first kidney-shaped hole 108 penetrating the fixing bracket 106 and disposed along a first direction, the second rail is a second kidney-shaped hole 109 penetrating the lens bracket 103 and disposed along a second direction, the first direction is perpendicular to the second direction, and the connecting member is a fastening screw 107 sequentially penetrating the first kidney-shaped hole 108 and the second kidney-shaped hole 109. The waist-shaped hole is a through hole with two semicircular ends and a parallel plane in the middle, when the fastening screw 107 slides in the first waist-shaped hole 108 and the second waist-shaped hole 109 which are perpendicular to each other, the fastening screw moves in the first direction and the second direction which are perpendicular to each other, and the lens 104 can reach a preset position through adjustment in the two directions.
Optionally, the number of the first kidney-shaped holes 108 and the second kidney-shaped holes 109 may be one or multiple groups, when both the first kidney-shaped holes 108 and the second kidney-shaped holes 109 are one, the positions of the first kidney-shaped holes 108 and the second kidney-shaped holes 109 are respectively arranged on the central lines of the fixing support 106 and the lens support 103, and when the number of the first kidney-shaped holes 108 and the second kidney-shaped holes 109 is multiple, the first kidney-shaped holes and the second kidney-shaped holes are symmetrically distributed with the central lines of the fixing. Since the fastening screw 107 is inserted through the first kidney-shaped hole 108 and the second kidney-shaped hole 109 to connect the fixing bracket 106 and the lens bracket 103, the above arrangement can achieve a balance of forces without being affected by the gravity of the lens bracket 103 itself when adjusting the position of the lens 104.
The fastening elastic sheet 102 provided in this embodiment is used to limit the movement of the fixing support 106 and the lens support 103 in the direction perpendicular to the contact surface of the fixing support and the lens support, and also pre-adjust the positions of the first kidney-shaped hole 108 and the second kidney-shaped hole 109 so that the fastening screw 107 can pass through the fixing support and the lens support.
Referring to fig. 4 to 5, in the present embodiment, the fastening elastic sheet 102 includes a flat plate portion 10 disposed on one side, a pressing claw 11 disposed on the opposite side, and a connecting portion 12 connecting the flat plate portion 10 and the pressing claw 11, wherein the pressing claw 11 is inclined toward the flat plate portion 10 to form a clamping opening; the inner side of the flat plate part 10 is provided with a positioning column 13, the side edge of the fixed support 106 is provided with a positioning hole 110, when the fixed support 106 and the lens support 103 are clamped by the fastening elastic sheet 102, the positioning column 13 is inserted into the positioning hole 110, so that the fastening elastic sheet 102 and the fixed support 106 cannot be separated on the flat surface; the pressing claw 11 presses the lens holder 103 against the fixed holder 106 so that the lens holder 103 and the fixed holder 106 cannot be relatively displaced in the direction perpendicular to the contact surface. When the fixing device is used, the fixing support 106 is attached to the lens support 103, the two plates are clamped through the clamping openings, the flat plate portion 10 corresponds to one side of the fixing support 106 when the fixing device is installed, the fixing support 106 is combined with the fastening elastic sheet 102 through the matching of the positioning columns 13 and the positioning holes 110, and the lens support 103 can slide on a contact surface with the fixing support 106. In addition, after the positioning column 13 is inserted into the positioning hole 110 for fixing, a distance exists between the side edges of the lens support 103 and the fixing support 106 and the connecting part 12, when the positions of the first waist-shaped hole 108 and the second waist-shaped hole 109 correspond, the edge of the lens support 103 is not contacted with the connecting part 12, and therefore the lens support 103 has a certain lateral adjusting space.
The lens adjusting device in this embodiment further includes a locking elastic sheet 101 and a fastening member 107, a through hole 115 is disposed on the locking elastic sheet 101 at a position corresponding to the first kidney-shaped hole 108 and the second kidney-shaped hole 109, the fastening member 107 sequentially passes through the first kidney-shaped hole 108, the second kidney-shaped hole 109 and the through hole 115, the lens support 103 and the fixing support 106 are fixed on the locking elastic sheet 101, and the fastening member 107 may be a bolt. The locking elastic sheet 101 is used for fixing the lens support 103 on a vertical plane, and the locking elastic sheet 101, the lens support 103 and the fixing support 106 are fixed into a whole, so that the lens support 103 cannot move on the vertical plane, and the locking elastic sheet 101 and the fixing support 106 cannot be separated from each other but can relatively slide on a contact surface.
The lens 104 in this embodiment is fixed on the lens holder 103 through the lens dome 105; the lens elastic sheet 105 and the lens support 103 are both provided with a plurality of corresponding bolt holes 111 which are detachably connected through bolts. The fixing bracket 106 is provided with a light-passing hole 112 corresponding to the region where the lens 104 is mounted, for accommodating the lens 104 and the lens elastic sheet 105. The lens spring 105 is an annular fixing piece, the lens 104 is installed in the middle of the ring, and the lens spring 105 is fixed with the lens support 103 through a bolt. The light through hole 112 is opened in the middle of the fixing support 106, and the diameter is larger than or close to the diameter of the outer edge of the lens elastic sheet 105, so that the lens elastic sheet 105 can be accommodated.
Referring to fig. 3 and 4, the lens holder 103 of the present embodiment is further provided with an adjusting hole 113, and a notch 114 is formed at a position corresponding to the position of the adjusting hole 113 on the fixing holder 106, so that the adjusting hole 113 is exposed and connected to the adjusting member. The utility model discloses a lens adjusting device need exert force to lens support 103 with the help of outside regulating part, makes lens support 103 can remove on first direction and second direction, and this regulating part can use screwdriver, spanner or other hard thing, inserts and applys corresponding power in the regulation hole 113, can be so that lens support 103 slides, simple and convenient adjustment lens support 103's position. The adjusting hole 113 is generally formed at the upper portion of the lens holder 103, and in order to not block the adjusting hole 113, the fixing holder 106 forms a notch 114 at a corresponding position, and the notch 114 exposes the adjusting hole 113 when the adjusting hole 113 is clamped, thereby facilitating the position adjustment of the adjusting member. In addition, the lens support 103 is provided with an adjusting hole 113, and the adjusting piece is inserted into the adjusting hole 113 to drive the lens 104 to move in different directions, so that the use requirements of the lens 104 in different directions can be met.
The number of the adjusting holes 113 is plural in the present application, and the plural adjusting holes 113 are symmetrically distributed with the perpendicular bisector of the lens holder 103 as the center line. For the adjustment, the number of the adjustment holes 113 in the present embodiment is preferably two, and the two holes are respectively distributed on two sides of the lens holder 103. When it is desired to move the lens holder 103 to the left, the adjustment member is inserted into the adjustment hole 113 located on the right to apply a force; when the lens holder 103 needs to be moved to the right side, the adjusting piece is inserted into the adjusting hole 113 positioned on the left side to apply force, the moment is large when the adjusting piece is inserted into the adjusting hole 113 farther from the adjustment target, the lens holder 103 can be moved by applying small force, and the adjustment is more labor-saving.
Use the utility model discloses a lens adjusting device, through two direction regions of a connecting piece swing joint, thereby fixed bolster and lens support move on the connecting piece through the direction region and drive the lens displacement, carry out the position control of lens equidirectional respectively, replaced the regulation structure of two sets of guide rails or slide rail commonly used, simple structure reduces manufacturing cost and the operation of being convenient for.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A lens adjusting apparatus, comprising:
the lens fixing device comprises a fixing support, a lens support, a connecting piece and a fastening elastic piece, wherein the lens support is provided with a region for mounting a lens;
the fixed support and the lens support are respectively provided with a first guide area and a second guide area, one end of the connecting piece is movably connected to the first guide area of the fixed support, and the other end of the connecting piece is movably connected to the second guide area of the lens support, so that the lens support and the fixed support can be relatively displaced in at least two directions under external force;
the lens support is arranged on the fixed support through the fastening elastic sheet.
2. The lens adjusting apparatus according to claim 1, wherein the first guide area is provided with a first rail in a first direction, the second guide area is provided with a second rail in a second direction, one end of the connecting member is slidably fitted to the first rail, and the other end of the connecting member is slidably fitted to the second rail.
3. The lens adjusting apparatus according to claim 2, wherein the first rail is a first kidney-shaped hole penetrating the fixing bracket and arranged in the first direction, the second rail is a second kidney-shaped hole penetrating the lens bracket and arranged in the second direction, the first direction is perpendicular to the second direction, and the connecting member is a fastening screw passing through the first kidney-shaped hole and the second kidney-shaped hole.
4. The lens adjusting apparatus according to claim 3, wherein the first kidney-shaped holes and the second kidney-shaped holes are plural in number.
5. The lens adjusting apparatus according to claim 1, wherein the resilient fastening member includes a flat plate portion disposed on one side, a pressing claw disposed on the opposite side, and a connecting portion connecting the flat plate portion and the pressing claw, and the pressing claw is inclined toward the flat plate portion to form a clamping opening; the inner side of the flat plate part is provided with a positioning column, the side edge of the fixed support is provided with a positioning hole, and when the fixed support and the lens support are clamped by the fastening elastic sheet, the positioning column is inserted into the positioning hole so that the fastening elastic sheet and the fixed support cannot be separated;
the pressing claw presses the lens holder against the fixed holder so that the lens holder and the fixed holder cannot be displaced relative to each other in a direction perpendicular to the contact surface.
6. The lens adjusting device according to claim 3, further comprising a locking spring and a fastening member, wherein a through hole is formed in the locking spring at a position corresponding to the waist-shaped hole, and the fastening member sequentially passes through the first waist-shaped hole, the second waist-shaped hole and the through hole to fix the lens support and the fixing support to the locking spring.
7. The lens adjusting apparatus according to claim 1 or 6, wherein the lens is fixed to the lens holder by a lens spring; the lens shell fragment with all be equipped with a plurality of corresponding bolt holes on the lens support, both pass through detachable the connection of bolt.
8. The lens adjusting apparatus according to claim 7, wherein a light hole is formed in the fixing bracket at a position corresponding to the region where the lens is mounted, for accommodating the lens and the lens spring.
9. The lens adjusting apparatus as claimed in claim 1, wherein the lens holder further has an adjusting hole, and the fixing holder has a notch formed at a position corresponding to the adjusting hole, so that the adjusting hole is exposed and connected to the adjusting member.
10. The lens adjusting apparatus according to claim 9, wherein the number of the adjusting holes is plural, and the plural adjusting holes are symmetrically distributed with a perpendicular bisector of the lens holder as a center line.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020398679.5U CN212623268U (en) | 2020-03-25 | 2020-03-25 | Lens adjusting device |
| PCT/CN2020/142152 WO2021190065A1 (en) | 2020-03-25 | 2020-12-31 | Lens adjustment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020398679.5U CN212623268U (en) | 2020-03-25 | 2020-03-25 | Lens adjusting device |
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| Publication Number | Publication Date |
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| CN212623268U true CN212623268U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020398679.5U Active CN212623268U (en) | 2020-03-25 | 2020-03-25 | Lens adjusting device |
Country Status (2)
| Country | Link |
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| CN (1) | CN212623268U (en) |
| WO (1) | WO2021190065A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472987A (en) * | 2021-06-30 | 2021-10-01 | 维沃移动通信（杭州）有限公司 | Imaging device and electronic apparatus |
| CN114905638A (en) * | 2022-07-19 | 2022-08-16 | 中国科学院光电技术研究所 | Fixture for turning small-caliber aspheric diamond |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101458438B (en) * | 2008-12-31 | 2010-09-15 | 广东威创视讯科技股份有限公司 | Novel six-axial adjustment frame |
| CN103424962B (en) * | 2012-05-18 | 2016-05-04 | 三洋科技中心(深圳)有限公司 | The adjustment structure of projector lens |
| CN205608269U (en) * | 2016-01-27 | 2016-09-28 | 深圳市光峰光电技术有限公司 | Lens module and optical device |
| CN206818951U (en) * | 2016-11-21 | 2017-12-29 | 深圳市光峰光电技术有限公司 | Optical element adjusting part, go out optical module and projector equipment |
| CN207067635U (en) * | 2017-07-05 | 2018-03-02 | 深圳市光峰光电技术有限公司 | Optics module |
| JP7327407B2 (en) * | 2018-08-31 | 2023-08-16 | ソニーグループ株式会社 | Lens shift mechanism and projection display device |
-
2020
- 2020-03-25 CN CN202020398679.5U patent/CN212623268U/en active Active
- 2020-12-31 WO PCT/CN2020/142152 patent/WO2021190065A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472987A (en) * | 2021-06-30 | 2021-10-01 | 维沃移动通信（杭州）有限公司 | Imaging device and electronic apparatus |
| CN113472987B (en) * | 2021-06-30 | 2022-11-18 | 维沃移动通信（杭州）有限公司 | Imaging device and electronic apparatus |
| CN114905638A (en) * | 2022-07-19 | 2022-08-16 | 中国科学院光电技术研究所 | Fixture for turning small-caliber aspheric diamond |
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| Publication number | Publication date |
|---|---|
| WO2021190065A1 (en) | 2021-09-30 |
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