CN210129057U - Precise two-dimensional lens adjusting mechanism - Google Patents
Precise two-dimensional lens adjusting mechanism Download PDFInfo
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- CN210129057U CN210129057U CN201920356002.2U CN201920356002U CN210129057U CN 210129057 U CN210129057 U CN 210129057U CN 201920356002 U CN201920356002 U CN 201920356002U CN 210129057 U CN210129057 U CN 210129057U
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Abstract
The utility model discloses an accurate two dimension lens adjustment mechanism, include: the lens holder, insert the lens support in the installation cavity that sets up in the said lens holder, pitch angle regulating assembly that sets up on the said lens holder and set up the horizontal angle regulating assembly on the lateral part of the said lens holder; the pitching angle adjusting assembly comprises a rotating disc, an arc-shaped sliding groove, an arc-shaped pitching sliding block, a gland and a pitching adjusting screw, wherein the rotating disc is rotatably arranged in a mounting circular hole formed in the lens seat, the arc-shaped sliding groove is formed in the middle of the rotating disc, the arc-shaped pitching sliding block is slidably arranged in the arc-shaped sliding groove, the gland is arranged on the rotating disc, and the pitching adjusting screw is arranged on the gland. The utility model can finely adjust the angle in the horizontal and pitching directions, is convenient and sensitive to adjust, and can meet the optical system with high precision requirement; the utility model has small volume, very compact structure, wide application, and is suitable for small or compact optical systems; the stability of the module can be greatly improved by adjusting the double locking mechanism to a proper angle.
Description
Technical Field
The utility model relates to an optical instrument field, in particular to accurate two dimension lens adjustment mechanism.
Background
Current existing lens modules (e.g., mirror modules) do not have two-way adjustment; some are bulky and not suitable for small optical systems; some optical systems are simply adjusted through screws or manual rotation and the like, so that the adjustment precision is far insufficient, and the optical systems with high precision requirements are difficult to install and adjust or cannot be applied; some of them can be finely adjusted, but have poor stability after adjustment and are easy to generate angle drift.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, provide an accurate two-dimensional lens adjustment mechanism.
In order to solve the technical problem, the utility model discloses a technical scheme is: a precision two-dimensional lens adjustment mechanism comprising: the lens holder, insert the lens support in the installation cavity that sets up in the said lens holder, pitch angle regulating assembly that sets up on the said lens holder and set up the horizontal angle regulating assembly on the lateral part of the said lens holder;
the pitching angle adjusting assembly comprises a rotating disc which is rotatably arranged in a mounting round hole formed in the lens seat, an arc-shaped sliding groove formed in the middle of the rotating disc, an arc-shaped pitching sliding block which is slidably arranged in the arc-shaped sliding groove, a gland arranged on the rotating disc and a pitching adjusting screw arranged on the gland, and the lens support is connected to the bottom of the arc-shaped pitching sliding block;
and a screw sleeve is arranged on one side of the upper part of the gland, the pitching adjusting screw is inserted into the screw sleeve and is in threaded fit with the screw sleeve, and the bottom of the pitching adjusting screw is pressed against one side of the upper part of the arc-shaped pitching sliding block so as to drive the arc-shaped pitching sliding block to slide in the arc-shaped sliding groove.
Preferably, the bottom of every single move adjusting screw is provided with first kickball, arc every single move slider one side on upper portion seted up with kickball complex first arc recess.
Preferably, a pressure spring cover is further arranged on one side, opposite to the screw sleeve, of the upper portion of the gland, an annular pressure spring groove is formed in one side, opposite to the arc groove, of the upper portion of the arc pitching sliding block, and a pressure spring is arranged between the annular pressure spring groove and the pressure spring cover.
Preferably, a first through hole is formed in the middle of the arc-shaped sliding chute, a threaded through hole is formed in the middle of the arc-shaped pitching sliding block, a fixing screw is arranged in the threaded through hole, and the lower end of the fixing screw penetrates through the first through hole to be connected with the upper end of the lens support; the lens support is provided with a lens.
Preferably, a pitch locking nut is further disposed on the pitch adjusting screw.
Preferably, the horizontal angle adjusting assembly comprises an adjusting block, an adjusting cavity arranged in the adjusting block, a horizontal adjusting screw rod with one end inserted into the adjusting cavity in a threaded fit mode, a top shaft with one end arranged in the adjusting cavity and the other end connected with the adjusting block through a spring, an adjusting shaft arranged on the back of the adjusting block and communicated with the adjusting cavity and inserted into the second through hole.
Preferably, the outer end of the adjusting shaft is located in the adjusting cavity, and the surface of the adjusting shaft is provided with a second arc-shaped groove.
Preferably, the horizontal adjusting screw and the jacking shaft are respectively positioned at two sides of the outer end of the adjusting shaft and are in matched contact with a second arc-shaped groove on the surface of the outer end of the adjusting shaft through a second jacking ball; and a horizontal locking nut is arranged on the horizontal adjusting screw.
Preferably, a plurality of adjusting shaft jacks are formed in the side part of the rotating disc, and a plurality of third through holes corresponding to the adjusting shaft jacks in number and position are formed in the side part of the lens seat; the inner end of the adjusting shaft penetrates through the second through hole and the third through hole in sequence and then is inserted into the adjusting shaft inserting hole.
Preferably, the lens holder is further provided with an upper cover.
The utility model has the advantages that: the precise two-dimensional lens adjusting mechanism of the utility model can finely adjust the angle in the horizontal and pitching directions, is convenient and sensitive to adjust, and can meet the optical system with high precision requirement; the utility model has small volume, very compact structure, wide application, and is suitable for small or compact optical systems; the stability of the module can be greatly improved by adjusting the double locking mechanism to a proper angle.
Drawings
Fig. 1 is a schematic structural view of the precise two-dimensional lens adjusting mechanism of the present invention;
fig. 2 is a schematic structural view of the pitch angle adjusting assembly of the present invention;
fig. 3 is an exploded schematic view of the pitch angle adjusting assembly of the present invention;
fig. 4 is a schematic structural view of the lens holder of the present invention engaged with the arc-shaped pitching sliding block;
fig. 5 is a schematic structural view of the horizontal angle adjusting assembly of the present invention;
fig. 6 is a schematic structural view of the back of the adjusting block of the present invention;
fig. 7 is a schematic structural diagram of the precise two-dimensional lens adjusting mechanism of the present invention after the adjusting block is removed.
Description of reference numerals:
1-lens holder; 2-a lens holder; 3-a pitch angle adjustment assembly; 4-horizontal angle adjusting assembly; 5, covering the upper cover; 6-a lens; 10, mounting a cavity; 11-mounting a round hole; 12-third through hole; 30-a rotating disc; 31-arc chute; 32-arc pitching slide block; 33-a gland; 34-pitch adjusting screw; 35-a screw sleeve; 36-pressure spring cover; 37-annular compression spring groove; 38-a first through hole; 39-threaded through hole; 40-a regulating block; 41-adjusting cavity; 42-horizontal adjusting screw; 43-top shaft; 44-second through hole; 45-adjusting shaft; 46-second heading; 47-horizontal lock nut; 48, a sleeve; 300-adjusting shaft jack; 320-a first arc-shaped groove; 340-first heading; 341-pitch lock nut; 390-set screws; 450-second arc groove.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 7, a precise two-dimensional lens adjusting mechanism of the present embodiment includes: the device comprises a lens seat 1, a lens support 2 inserted in a mounting cavity 10 arranged in the lens seat 1, a pitching angle adjusting component 3 arranged on the lens seat 1 and a horizontal angle adjusting component 4 arranged on the side part of the lens seat 1;
the pitching angle adjusting assembly 3 comprises a rotating disc 30 rotatably arranged in a mounting round hole 11 formed in the lens seat 1, an arc-shaped sliding groove 31 formed in the middle of the rotating disc 30, an arc-shaped pitching sliding block 32 slidably arranged in the arc-shaped sliding groove 31, a gland 33 arranged on the rotating disc 30 and a pitching adjusting screw 34 arranged on the gland 33, and the lens support 2 is connected to the bottom of the arc-shaped pitching sliding block 32. The gland 33 is fixedly connected with the rotating disc 30, and the whole pitch angle adjusting assembly 3 can rotate along the horizontal plane in the mounting round hole 11; the arc-shaped pitch slider 32 is disposed between the pressing cover 33 and the rotating disk 30, and the arc-shaped pitch slider 32 is slidable in the arc-shaped chute 31, so that the lens holder 2 attached to the bottom thereof is rotatable (pitch angle adjustment) in the vertical plane.
A screw sleeve 35 is arranged on one side of the upper part of the gland 33, the pitch adjusting screw 34 is inserted into the screw sleeve 35 and is in threaded fit with the screw sleeve, and the bottom of the pitch adjusting screw 34 is pressed against one side of the upper part of the arc-shaped pitch sliding block 32 to drive the arc-shaped pitch sliding block 32 to slide in the arc-shaped sliding chute 31.
Referring to fig. 1 to 4, a first jacking ball 340 is disposed at the bottom of the pitching adjusting screw 34, and a first arc-shaped groove 320 matched with the jacking ball is disposed at one side of the upper portion of the arc-shaped pitching sliding block 32. The first kickball 340 presses against the first arc-shaped groove 320, filtering out the rotational movement of the pitch adjustment screw 34 by cylindrical contact. The upper portion of the gland 33 is located on the opposite side of the screw sleeve 35 and is further provided with a pressure spring cover 36, the upper portion of the arc-shaped pitching sliding block 32 is located on the opposite side of the arc-shaped groove and is provided with an annular pressure spring groove 37, a pressure spring is arranged between the annular pressure spring groove 37 and the pressure spring cover 36 and is used for providing return power for the arc-shaped pitching sliding block 32, and it is guaranteed that the first jacking ball 340 is always in contact with the first arc-shaped groove 320. A first through hole 38 is formed in the middle of the arc-shaped sliding chute 31, a threaded through hole 39 is formed in the middle of the arc-shaped pitching sliding block 32, a fixing screw 390 is arranged in the threaded through hole 39, and the lower end of the fixing screw 390 penetrates through the first through hole 38 to be connected with the upper end of the lens support 2; the lens support 2 is provided with a lens 6. The pitch adjusting screw is also provided with a pitch lock nut 341.
That is, when the pitch adjusting screw 34 rotates, under the limitation of the screw sleeve 35 in threaded fit with the pitch adjusting screw, the pitch adjusting screw 34 moves downward while rotating, and presses one side of the arc-shaped pitch slider 32, so that the rotating motion is filtered out through cylindrical surface contact, and the arc-shaped pitch slider 32 slides in the arc-shaped chute 31, the side of the arc-shaped pitch slider 32 moves downward, and the other end moves upward, so that the lens support 2 connected to the lower end of the arc-shaped pitch slider 32 rotates (as shown by an arrow in fig. 2), and thus the adjustment of one pitch direction of the lens 6 is realized. When the pitch adjusting screw 34 rotates in the reverse direction, the pitch adjusting screw 34 moves upward, and the pressure spring on the opposite side presses the arc-shaped pitch slider 32 downward, so that the arc-shaped pitch slider 32 on the pitch adjusting screw 34 side moves upward, and adjustment in the other pitch direction of the lens 6 is realized.
The horizontal angle adjusting assembly 4 shown in fig. 5-7 includes an adjusting block 40, an adjusting cavity 41 formed in the adjusting block 40, a horizontal adjusting screw 42 in threaded engagement with the adjusting block 40 and having one end inserted into the adjusting cavity 41, a top shaft 43 having one end disposed in the adjusting cavity 41 and the other end connected to the adjusting block 40 through a spring, a second through hole 44 formed in the back of the adjusting block 40 and communicating with the adjusting cavity 41, and an adjusting shaft 45 inserted into the second through hole 44. A cover plate is provided on the adjustment block 40 to seal the adjustment chamber 41. Fig. 5 is a schematic view of the inside of the conditioning chamber 41 after the cover plate is removed. The spring force of the spring keeps the horizontal adjusting screw 42 in contact with the adjusting shaft 45 all the time, and can also provide the return power of the adjusting shaft 45. The outer end of the adjusting shaft 45 is located in the adjusting cavity 41, and a second arc-shaped groove 450 is formed on the surface of the adjusting shaft. The horizontal adjusting screw 42 and the top shaft 43 are respectively arranged at two sides of the outer end of the adjusting shaft 45 and are in matching contact with a second arc-shaped groove 450 on the surface of the outer end of the adjusting shaft 45 through a second top ball 46. The rotational movement of the horizontal adjusting screw 42 is filtered by the cylindrical surface of the second top ball 46 and the second arc-shaped groove 450. A sleeve 48 is arranged in the left side of the adjusting block 40, and the horizontal adjusting screw 42 is inserted in the sleeve 48 and is in threaded fit with the sleeve. The side part of the rotating disc 30 is provided with a plurality of adjusting shaft jacks 300, and the side part of the lens seat 1 is provided with a plurality of third through holes 12, the number and the position of which correspond to the adjusting shaft jacks 300; the inner end of the adjusting shaft 45 is inserted into the adjusting shaft insertion hole 300 after passing through the second through hole 44 and the third through hole 12 in sequence. The lens holder 1 is also provided with an upper cover 5.
Namely, the horizontal adjusting screw 42 is rotated to move the horizontal adjusting screw 42 rightwards, the outer end of the adjusting shaft 45 is pressed, the inner end of the adjusting shaft 45 swings, and the turntable and the lens support 2 are driven to rotate in the horizontal plane; when the horizontal adjusting screw 42 is rotated reversely, the horizontal adjusting screw 42 moves leftwards, the top shaft 43 moves leftwards under the action of the spring to press the outer end of the adjusting shaft 45, so that the inner end of the adjusting shaft 45 swings reversely, and the rotating disc 30 and the lens support 2 are driven to rotate reversely in the horizontal plane; thereby achieving rotational adjustment of the lens 6 in the horizontal plane.
Referring to fig. 1-2, the process of adjusting the horizontal angle is: by rotating the horizontal adjusting screw 42, the horizontal adjustment moves rightwards along the sleeve 48 in threaded fit with the horizontal adjusting screw, and the second jacking ball 46 at the rightmost end of the horizontal adjustment props against the adjusting shaft 45 to be shifted rightwards, so that the rotating disc 30 connected with the adjusting shaft 45 is driven to rotate rightwards, and then the whole pitching angle adjusting assembly 3 and the lens support 2 are driven to rotate rightwards; when the horizontal adjusting screw 42 is rotated reversely, the horizontal adjusting screw 42 moves leftwards, the spring on the left side of the top shaft 43 presses the top shaft 43 leftwards, so that the top shaft 43 pushes the adjusting shaft 45 leftwards, the rotating disc 30 is driven to rotate leftwards, and then the whole pitching angle adjusting assembly 3 and the lens support 2 are driven to rotate leftwards. This achieves a rotation of the lens 6 on the lens holder 2 in the horizontal plane, which in this embodiment enables a fine adjustment in the horizontal direction within a range of ± 3 °. After the adjustment to the proper position, the screw on the upper part of the upper cover 5 is locked to press the whole horizontal angle adjusting frame, and the horizontal locking nut 47 is locked.
Referring to fig. 5, the pitch angle adjustment process is: after the angle in the horizontal direction is adjusted, the pitching angle can be adjusted again, the pitching adjusting screw 34 is rotated, the first top ball 340 at the bottom end of the pitching adjusting screw 34 is rotated to be in contact with the first arc-shaped groove 320 on the arc-shaped pitching sliding block 32, so that the end of the arc-shaped pitching sliding block 32 moves downwards, the arc-shaped pitching sliding block 32 slides in the arc-shaped sliding groove 31, and the other end of the arc-shaped pitching sliding block 32 moves upwards; the lens bracket 2 connected with the lower end of the arc-shaped pitching sliding block 32 is rotated, so that the adjustment of one pitching direction of the lens 6 is realized. When the pitch adjusting screw 34 rotates in the reverse direction, the pitch adjusting screw 34 moves upward, and the pressure spring on the opposite side presses the arc-shaped pitch slider 32 downward, so that the arc-shaped pitch slider 32 on the pitch adjusting screw 34 side moves upward, and adjustment in the other pitch direction of the lens 6 is realized. The lens support 2 is driven to do pitching motion by the sliding of the arc-shaped pitching slide block 32, so that the lens 6 is finely adjusted in the pitching direction. In this embodiment, a range adjustment of ± 3 ° is realized. After being adjusted to a proper angle, the locking is realized through the pitch locking nut 341.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (10)
1. A precision two-dimensional lens adjustment mechanism, comprising: the lens holder, insert the lens support in the installation cavity that sets up in the said lens holder, pitch angle regulating assembly that sets up on the said lens holder and set up the horizontal angle regulating assembly on the lateral part of the said lens holder;
the pitching angle adjusting assembly comprises a rotating disc which is rotatably arranged in a mounting round hole formed in the lens seat, an arc-shaped sliding groove formed in the middle of the rotating disc, an arc-shaped pitching sliding block which is slidably arranged in the arc-shaped sliding groove, a gland arranged on the rotating disc and a pitching adjusting screw arranged on the gland, and the lens support is connected to the bottom of the arc-shaped pitching sliding block;
and a screw sleeve is arranged on one side of the upper part of the gland, the pitching adjusting screw is inserted into the screw sleeve and is in threaded fit with the screw sleeve, and the bottom of the pitching adjusting screw is pressed against one side of the upper part of the arc-shaped pitching sliding block so as to drive the arc-shaped pitching sliding block to slide in the arc-shaped sliding groove.
2. The mechanism of claim 1, wherein the pitch adjusting screw has a first ball top at a bottom thereof, and the arc-shaped pitch slider has a first arc-shaped groove at one side of an upper portion thereof for engaging with the ball top.
3. The mechanism of claim 2, wherein a pressure spring cover is further disposed on a side of the upper portion of the pressure cover opposite to the screw sleeve, an annular pressure spring groove is disposed on a side of the upper portion of the arc-shaped pitching slider opposite to the arc-shaped groove, and a pressure spring is disposed between the annular pressure spring groove and the pressure spring cover.
4. The precise two-dimensional lens adjusting mechanism according to claim 3, wherein a first through hole is formed in the middle of the arc-shaped chute, a threaded through hole is formed in the middle of the arc-shaped pitching slider, a fixing screw is arranged in the threaded through hole, and the lower end of the fixing screw penetrates through the first through hole to be connected with the upper end of the lens support; the lens support is provided with a lens.
5. The precision two-dimensional lens adjustment mechanism according to claim 2, wherein a pitch lock nut is further disposed on the pitch adjustment screw.
6. The mechanism of claim 1, wherein the horizontal angle adjustment assembly comprises an adjustment block, an adjustment cavity formed in the adjustment block, a horizontal adjustment screw engaged with the adjustment block and having one end inserted into the adjustment cavity, a top shaft having one end disposed in the adjustment cavity and the other end connected to the adjustment block through a spring, a second through hole formed in the back of the adjustment block and communicating with the adjustment cavity, and an adjustment shaft inserted into the second through hole.
7. The mechanism of claim 6, wherein the outer end of the adjusting shaft is disposed in the adjusting cavity and the surface of the adjusting shaft defines a second arc-shaped groove.
8. The mechanism of claim 7, wherein the horizontal adjusting screw and the top shaft are respectively disposed at two sides of the outer end of the adjusting shaft and are in fit contact with the second arc-shaped groove on the outer end surface of the adjusting shaft through a second top ball; and a horizontal locking nut is arranged on the horizontal adjusting screw.
9. The precise two-dimensional lens adjusting mechanism according to claim 8, wherein a plurality of adjusting shaft insertion holes are formed in a side portion of the rotating disc, and a plurality of third through holes corresponding in number and position to the adjusting shaft insertion holes are formed in a side portion of the lens holder; the inner end of the adjusting shaft penetrates through the second through hole and the third through hole in sequence and then is inserted into the adjusting shaft inserting hole.
10. The mechanism of claim 1, wherein the lens holder further comprises an upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356002.2U CN210129057U (en) | 2019-03-20 | 2019-03-20 | Precise two-dimensional lens adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356002.2U CN210129057U (en) | 2019-03-20 | 2019-03-20 | Precise two-dimensional lens adjusting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210129057U true CN210129057U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920356002.2U Active CN210129057U (en) | 2019-03-20 | 2019-03-20 | Precise two-dimensional lens adjusting mechanism |
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| CN (1) | CN210129057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399168A (en) * | 2020-05-12 | 2020-07-10 | 锐光凯奇(镇江)光电科技有限公司 | Space right angle turning combined adjusting frame |
| CN113534402A (en) * | 2021-07-13 | 2021-10-22 | 万灵帮桥医疗器械(广州)有限责任公司 | Reflector adjusting device |
-
2019
- 2019-03-20 CN CN201920356002.2U patent/CN210129057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399168A (en) * | 2020-05-12 | 2020-07-10 | 锐光凯奇(镇江)光电科技有限公司 | Space right angle turning combined adjusting frame |
| CN113534402A (en) * | 2021-07-13 | 2021-10-22 | 万灵帮桥医疗器械(广州)有限责任公司 | Reflector adjusting device |
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