CN221707781U - Adjusting device of optical lens in narrow space - Google Patents
Adjusting device of optical lens in narrow space Download PDFInfo
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- CN221707781U CN221707781U CN202323569195.5U CN202323569195U CN221707781U CN 221707781 U CN221707781 U CN 221707781U CN 202323569195 U CN202323569195 U CN 202323569195U CN 221707781 U CN221707781 U CN 221707781U
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- guide rail
- fixing base
- adjusting
- sliding block
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Abstract
The utility model discloses an adjusting device of an optical lens in a narrow space, which comprises: a Y-direction fixed base frame detachably and fixedly connected with an external interface piece of the optical system; an optical piece positioning seat for supporting and positioning an optical piece; an X-direction fixed base frame adjustably connected to the Y-direction fixed base frame in the Y-direction; the X-direction sliding block is matched with the X-direction guide rail in a sliding way relatively, and the optical piece positioning seat is fixedly connected with the X-direction sliding block; the Y-direction sliding block and the Y-direction guide rail are fixedly connected with the Y-direction fixed foundation frame, and the Y-direction sliding block is in relative sliding fit with the Y-direction guide rail. The device can conveniently complete the two-dimensional position adjustment of the optical lens/diaphragm under the constraint of a narrow space by utilizing the relative matching relation of the X-direction sliding block and the X-direction guide rail and the relative matching relation of the Y-direction sliding block and the Y-direction guide rail.
Description
Technical Field
The utility model relates to the technical field of optical systems, in particular to an adjusting device for an optical lens in a narrow space.
Background
In the research and development process of the measuring/detecting semiconductor device, the optical lens/diaphragm is inevitably required to adjust the position in the light path when designing the optical system so as to achieve the ideal imaging effect. Wherein the ability to conveniently adjust the multi-dimensions of the optical lens/stop therein is a challenge under some tight space constraints. In the existing thought, the adjustment is generally finished off-line, or the position accuracy of the optical system is ensured by a mechanical processing technology, but the adjustment is often accompanied by the compromise of the index of the optical system, the complexity of the adjustment technology or the complexity improvement of the optical design.
In the prior art, if the optical lens/diaphragm is adopted for online test after offline adjustment, the disassembly and adjustment are required to be carried out for many times until the index meets the requirement, and the whole process is tedious and time-consuming; if the system is designed as a non-tuning system, a complicated optical design is required and an ideal system index is not necessarily achieved.
Disclosure of utility model
The utility model aims to provide an adjusting device for an optical lens in a narrow space, which can conveniently complete two-dimensional position adjustment of the optical lens/diaphragm under the constraint of the narrow space.
The purpose of the utility model is realized in the following way: an adjusting device of an optical lens in a narrow space, for adjusting a position of an optical member so that the optical member faces a center hole of an external interface member of an optical system, comprising:
A Y-direction fixed base frame detachably and fixedly connected with an external interface piece of the optical system;
The optical piece positioning seat is used for supporting and positioning the optical piece so that the optical piece is positioned above the central hole of the external interface piece;
an X-direction fixed base frame adjustably connected to the Y-direction fixed base frame in the Y-direction;
The X-direction sliding block is fixedly connected with the X-direction fixed foundation frame, the X-direction sliding block is in relative sliding fit with the X-direction sliding rail, the optical piece positioning seat is fixedly connected with the X-direction sliding block, and the X-direction sliding rail is perpendicular to the central axis of the optical piece;
The optical component comprises a Y-direction sliding block and a Y-direction guide rail, wherein the Y-direction guide rail is fixedly connected with a Y-direction fixed foundation frame, the Y-direction sliding block is in relative sliding fit with the Y-direction guide rail, and the Y-direction guide rail is perpendicular to the central axis of the optical component.
The utility model has the beneficial effects that:
By utilizing the relative matching relation of the X-direction sliding block and the X-direction guide rail and the relative matching relation of the Y-direction sliding block and the Y-direction guide rail, the two-dimensional position adjustment of the optical lens/diaphragm can be conveniently completed under the constraint of a narrow space, the adjustment process is simplified, and the adjustment accuracy and stability can be ensured.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Reference numerals illustrate: 1-positioning a supporting block; 1 a-positioning grooves; 2-optics; 3-a first connection block; 4-a second connection block; 5-X direction sliding blocks; 6-X direction guide rails; 7-X direction fixing main seat; 8-X direction connecting seats; 9-end fixing seats; 10-X direction guide posts; 11-X direction adjusting knob; 12-Y direction adjusting knob; 13-Y direction slide block; 14-Y direction guide rails; 15-Y guide rail fixing seat; 16-Y direction knob fixing seat; 17-external interface.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, an adjusting device for an optical lens in a small space is used for adjusting the position of an optical element 2 so that the optical element 2 faces a central hole of an external interface element 17 of an optical system, and mainly comprises the following core parts:
A Y-direction fixed base frame detachably fixedly connected with an external interface member 17 of the optical system;
An optical element positioning seat for supporting and positioning the optical element 2 so that the optical element 2 is positioned above the central hole of the external interface element 17, and the optical element 2 can be an optical lens or a diaphragm;
an X-direction fixed base frame adjustably connected to the Y-direction fixed base frame in the Y-direction;
The X-direction sliding block 5 and the X-direction guide rail 6, the X-direction guide rail 6 is fixedly connected with an X-direction fixed foundation frame, the X-direction sliding block 5 is correspondingly matched with the X-direction guide rail 6 in a sliding way, the optical piece positioning seat is fixedly connected with the X-direction sliding block 5, and the X-direction guide rail 6 is perpendicular to the central axis of the optical piece 2;
The Y-direction sliding block 13 and the Y-direction guide rail 14 are fixedly connected with the Y-direction fixed foundation frame, the Y-direction sliding block 13 is in sliding fit with the Y-direction guide rail 14 relatively, and the Y-direction guide rail 14 is perpendicular to the central axis of the optical piece 2.
The configuration part can be known as follows: the adjusting device has two linear adjusting directions XY, and the central axis of the optical piece 2 is perpendicular to the plane where the X line and the Y line are located.
The Y direction is generally adjusted by: the X-direction fixed base frame can be driven to perform linear adjustment relative to the Y-direction fixed base frame along the Y-direction, so that the Y-direction slider 13 is slidingly adjusted along the Y-direction guide rail 14, and then the position of the Y-direction slider 13 is locked, thereby adjusting the position of the optical member 2 in the Y-direction.
The adjustment mode in the X direction is generally as follows: the optical member positioning seat is slidingly adjusted along the X-direction guide rail 6 along with the X-direction slider 5, and then the position of the X-direction slider 5 is locked, thereby adjusting the position of the optical member 2 in the X-direction.
The central axis of the optical element 2 is ideally coincident with the central axis of the central hole of the external interface 17 by adjustment in the X-direction and/or Y-direction.
The core thought is correspondingly improved, and the method is specifically as follows.
Wherein, the optical piece positioning seat comprises:
The positioning support block 1 is provided with a positioning groove 1a with an upward opening and used for placing and positioning the optical piece 2 and a positioning hole communicated with the bottom of the positioning groove 1a, wherein the positioning groove 1a is coaxial with the positioning hole and downward faces to the central hole of the external interface piece 17, and ideally, the positioning groove 1a and the positioning hole of the positioning support block 1 are in a coaxial state with the central hole of the external interface piece 17;
the first connecting block 3 is fixedly connected with one side of the positioning support block 1;
The second connecting block 4 is fixedly connected with the other side of the positioning support block 1 and is detachably and fixedly connected with the X-direction sliding block 5 through a screw.
As one of the preferred embodiments, the X-direction fixing base frame is composed of the following three parts:
the X-direction fixing main seat 7, and the X-direction guide rail 6 is fixedly connected with one side of the X-direction fixing main seat 7 facing the center hole of the external interface piece 17;
The X-direction connecting seat 8 is fixedly connected with the X-direction fixing main seat 7, and the Y-direction sliding block 13 is fixedly connected with the X-direction connecting seat 8;
The end fixing seat 9, the end fixing seat 9 is provided with an X-direction guide post 10, and the X-direction guide post 10 axially movably penetrates through the end fixing seat 9 and is parallel to the sliding direction of the X-direction sliding block 5.
In addition, the device is also provided with an X-direction adjusting knob 11 with an adjusting shaft, the adjusting shaft of the X-direction adjusting knob 11 is connected with the X-direction connecting seat 8 penetrating through the X-direction fixed base frame in a threaded manner, and the first connecting block 3 connected with the optical piece positioning seat in a rotating manner; during the X-direction adjustment, the X-direction guide post 10 moves axially relative to the end fixing seat 9, so as to better guide the X-direction adjustment track of the optical piece positioning seat.
As one of the preferred embodiments, the Y-direction fixing base includes:
y-direction guide rail fixing base 15, Y-direction guide rail 14 fixed connection Y-direction guide rail fixing base 15.
The Y-direction knob fixing seat 16 is integrally formed with the Y-direction guide rail fixing seat 15, the Y-direction knob fixing seat 16 is provided with a Y-direction adjusting knob 12 with an adjusting shaft, the adjusting shaft of the Y-direction adjusting knob 12 penetrates through the Y-direction knob fixing seat 16 and is in threaded fit with the Y-direction knob fixing seat 16, and the adjusting shaft of the Y-direction adjusting knob 12 is rotationally connected with the X-direction connecting seat 8 of the X-direction fixing foundation frame.
Wherein, the Y-direction adjusting knob 12 and the X-direction adjusting knob 11 are both in an outside orientation and are mutually close in position, so that the adjusting operation is convenient, and the two-dimensional position adjustment of the optical lens/diaphragm can be conveniently completed under the restriction of a narrow space.
As a preferred installation scheme, the adjusting device comprises the following specific steps when in use:
1. the optical lens/diaphragm (optical piece 2) is placed in the positioning groove 1a of the positioning support block 1 (the positioning aperture size can be customized according to the optical piece 2), and the optical lens/diaphragm is stuck and fixed by using glue;
2. The whole adjusting assembly is assembled through a tool (the tool can be subjected to custom design according to an adjusting structure) so as to ensure that the installation positions of all parts are accurate (the step ensures reasonable XY direction orthogonality errors and optical piece angle errors);
3. The assembled adjusting device is installed and fixed on an external interface piece 17 (the interface design can be carried out according to the specific structure) in the optical system;
4. When the light path is adjusted, the X-direction adjusting knob 11 and the Y-direction adjusting knob 12 are lightly screwed in sequence until the ideal optical effect is achieved, the X-direction sliding block 5 is locked on the X-direction fixing main seat 7 by using a screw, and the Y-direction sliding block 13 is locked on the Y-direction guide fixing seat 15 by using a screw, so that the two-dimensional adjustment operation is completed.
It should be noted that the manner of locking the X-direction slider 5 and the Y-direction slider 13 is not limited to the manner exemplified in the embodiment.
The embodiment has the following advantages in the process level:
1. The adjustment amount of the adjustment device reaches +/-2 mm, and the occupied space is controlled within 45mmx22mmx20 mm;
2. The device is suitable for being conveniently and accurately adjusted on the same side by using a spanner or a hand under the condition of on-line;
3. the structure is provided with a locking device (locking screw), which can be locked after being adjusted, thus keeping long-term stability;
4. The corresponding tool is used for assembly installation, so that the angle precision and the motion orthogonality precision of the adjusting device are ensured, and the effects of accurate initial angle of the optical lens/diaphragm and stable angle in the adjusting process are achieved.
Besides the scheme listed in the embodiment, an optical adjusting frame can be additionally arranged according to the requirement, so that the effect of Dx, dy, rx, ry four-dimensional adjustment is achieved.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", etc., are based on those shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; in the present utility model, it should be further noted that the terms "mounted" and "connected" should be interpreted broadly, and for example, they may be fixedly connected, detachably connected, integrally formed, mechanically connected, indirectly connected through an intermediate connecting member, and the terms may be interpreted in the specific meaning of the present utility model in specific cases.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. An adjusting device of an optical lens in a narrow space, which is used for adjusting the position of an optical element (2) so that the optical element (2) faces a central hole of an external interface element (17) of an optical system, comprising:
A Y-direction fixed base frame detachably and fixedly connected with an external interface piece (17) of the optical system;
An optical piece positioning seat for supporting and positioning the optical piece (2) so that the optical piece (2) is positioned above the central hole of the external interface piece (17);
an X-direction fixed base frame adjustably connected to the Y-direction fixed base frame in the Y-direction;
The X-direction sliding block (5) and the X-direction guide rail (6), the X-direction guide rail (6) is fixedly connected with an X-direction fixed foundation frame, the X-direction sliding block (5) is in relative sliding fit with the X-direction guide rail (6), the optical piece positioning seat is fixedly connected with the X-direction sliding block (5), and the X-direction guide rail (6) is perpendicular to the central axis of the optical piece (2);
The optical component comprises a Y-direction sliding block (13) and a Y-direction guide rail (14), wherein the Y-direction guide rail (14) is fixedly connected with a Y-direction fixed foundation frame, the Y-direction sliding block (13) is in relative sliding fit with the Y-direction guide rail (14), and the Y-direction guide rail (14) is perpendicular to the central axis of the optical component (2).
2. The device for adjusting the optical lens in the small space according to claim 1, further comprising an X-direction adjusting knob (11) with an adjusting shaft, wherein the adjusting shaft of the X-direction adjusting knob (11) is connected with the X-direction fixing base frame in a threaded manner and penetrates through the X-direction fixing base frame, and is connected with the optical piece positioning seat in a rotating manner.
3. An adjusting device for an optical lens in a small space according to claim 1, wherein the X-direction fixing base frame comprises an X-direction fixing main seat (7), and the X-direction guide rail (6) is fixedly connected with one side of the X-direction fixing main seat (7) facing the central hole of the external interface member (17).
4. An adjusting device for an optical lens in a small space according to claim 3, wherein the X-direction fixing base frame further comprises an X-direction connecting seat (8), the X-direction connecting seat (8) is fixedly connected with the X-direction fixing main seat (7), and the Y-direction slider (13) is fixedly connected with the X-direction connecting seat (8).
5. An adjusting device for an optical lens in a small space according to claim 2, characterized in that the X-direction fixing base frame comprises an end fixing base (9), the end fixing base (9) is provided with an X-direction guide post (10), and the X-direction guide post (10) axially movably penetrates the end fixing base (9) and is parallel to the sliding direction of the X-direction sliding block (5).
6. An adjusting device for an optical lens in a small space according to claim 1, wherein the Y-direction fixing base frame comprises a Y-direction guide rail fixing base (15), and the Y-direction guide rail (14) is fixedly connected with the Y-direction guide rail fixing base (15).
7. The device for adjusting an optical lens in a small space according to claim 6, wherein the Y-direction fixing base frame further comprises a Y-direction knob fixing base (16) integrally formed with the Y-direction guide rail fixing base (15), the Y-direction knob fixing base (16) is provided with a Y-direction adjusting knob (12) with an adjusting shaft, the adjusting shaft of the Y-direction adjusting knob (12) penetrates through the Y-direction knob fixing base (16) and is in threaded fit with the Y-direction knob fixing base (16), and the adjusting shaft of the Y-direction adjusting knob (12) is rotatably connected with the X-direction fixing base frame.
8. An adjustment device for optical lenses in small spaces according to any of claims 1-7, in which the optical element positioning seat has a positioning groove (1 a) with an upward opening for placing and positioning the optical element (2), and a positioning hole communicating with the groove bottom of the positioning groove (1 a), the positioning groove (1 a) being coaxial with the positioning hole and facing downward against the central hole of the external interface element (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323569195.5U CN221707781U (en) | 2023-12-26 | 2023-12-26 | Adjusting device of optical lens in narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323569195.5U CN221707781U (en) | 2023-12-26 | 2023-12-26 | Adjusting device of optical lens in narrow space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221707781U true CN221707781U (en) | 2024-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323569195.5U Active CN221707781U (en) | 2023-12-26 | 2023-12-26 | Adjusting device of optical lens in narrow space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221707781U (en) |
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2023
- 2023-12-26 CN CN202323569195.5U patent/CN221707781U/en active Active
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