Lens transmission stabilizing mechanism

Through the linkage group and stable guide structure, the second drive motor is used to drive the telescopic movement of the outer barrel, which solves the jitter and tilt problems caused by insufficient length of the inner barrel and improves the stability and optical performance of the outer barrel.

CN223450221UActive Publication Date: 2025-10-17YIPU PHOTOELECTRIC (TIANJIN) CO LTD
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Patent Information

Application Number
CN202422073513.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-10-17
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

In the prior art, the insufficient matching length between the inner lens barrel and the outer lens barrel causes the inner lens barrel to shake and tilt during movement, thereby affecting the optical performance.

Method used

A linkage group and stable guide structure are adopted, and the telescopic movement of the outer barrel is driven by the second drive motor. The stable guide slip ring and fixed slide column are used to ensure the stability of the outer barrel to avoid shaking and tilting.

Benefits of technology

The stability of the outer lens barrel during the extension and retraction process is achieved, shaking and tilting are avoided, and the stability of optical performance is ensured.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lens transmission stabilizing mechanism which comprises a linkage group, the outer surface of the linkage group is movably sleeved with an outer lens cone A, the outer surface of the outer lens cone A is movably sleeved with a first driving ring, the outer surface of the outer lens cone A is fixedly provided with a first driving motor, and the outer surface of the first driving motor is fixedly provided with a second driving ring. The rear end of the outer surface of the outer lens cone A is movably sleeved with an outer lens cone B. The outer surface of the outer lens cone B is movably sleeved with a second driving structure, and the outer surface of the outer lens cone B is fixedly provided with a second driving motor. According to the lens transmission stabilizing mechanism provided by the utility model, when the second driving motor drives the second driving structure to enable the outer cylinder A to stretch forwards or backwards, the outer cylinder A is always kept to stretch forwards and backwards on the fixed sliding column through the stable guide sliding ring, so that the head and the tail inside and outside the outer cylinder A have transmission constraints; and the conditions of shaking, inclination and insufficient constraint are avoided in the action process, so that the device is more stable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to lens adjusting mechanism technical field, especially a lens transmission stabilizing mechanism. BACKGROUND

[0002] The prior art usually ensures the stability of the inner lens barrel during movement by ensuring that the fitting length of the outer lens barrel and the inner lens barrel is sufficient, as shown in the drawings, but the prior art needs to ensure that the fitting length of the inner lens and the outer lens barrel is greater than 1 / 2 of the total length of the inner lens barrel so that the inner lens barrel can be completely controlled by the outer lens barrel during operation, and thus the prior art cannot occur swing phenomenon, and thus the prior art ensures the stability of the inner lens barrel during operation, but in actual design process, the fitting length of the inner lens barrel and the outer lens barrel cannot be sufficient due to the space limitation of other parts, and thus the inner lens barrel cannot be stably operated in the outer lens barrel, and thus the operation process will occur shaking, tilting and other unstable states, and thus the optical performance is affected, and thus the utility model provides a lens transmission stabilizing mechanism. Figure 7 Figure 8 Figure 8 The utility model discloses a lens transmission stabilizing mechanism, which can effectively solve the problems in the background art. UTILITY MODEL CONTENTS

[0003] The utility model discloses a lens transmission stabilizing mechanism, which can effectively solve the problems in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0005] A lens transmission stabilizing mechanism, comprising a linkage group, an outer lens barrel A is movably sleeved and installed on the outer surface of the linkage group, a first driving ring is movably sleeved and installed on the outer surface of the outer lens barrel A, a first driving motor is fixedly installed on the outer surface of the outer lens barrel A, an outer lens barrel B is movably sleeved and installed at the rear end position of the outer surface of the outer lens barrel A, a second driving structure is movably sleeved and installed on the outer surface of the outer lens barrel B, a second driving motor is fixedly installed on the outer surface of the outer lens barrel B, and a stabilizing guide structure is fixedly installed on the front surface of the outer lens barrel B and located at the periphery of the outer lens barrel A.

[0006] Further, the outer lens barrel A comprises an outer barrel A, a linkage guide sliding groove, a second transmission sliding rod, a first transmission sliding groove and a stabilizing guide sliding ring, linkage guide sliding grooves are formed at three equidistant positions on the outer surface of the outer barrel A, second transmission sliding rods are fixedly installed at three equidistant positions on the outer surface of the outer barrel A and located between the linkage guide sliding grooves, first transmission sliding grooves are formed at three equidistant positions on the surface of the outer barrel A and located in front of the second transmission sliding rods, and stabilizing guide sliding rings are fixedly installed at two equidistant positions on the outer surface of the outer barrel A and close to the front end. ​​

[0007] Further, the surface of the first driving ring is fixedly installed with a first arc-shaped rack, and the output end of the first driving motor is fixedly installed with a first driving gear.

[0008] Further, the first driving gear is in meshing connection with the first arc-shaped rack.

[0009] Further, the second driving structure comprises a second driving ring, a second transmission sliding groove and a second arc-shaped rack, the surface of the second driving ring is fixedly installed with the second arc-shaped rack, and the surface of the second driving ring is provided with the second transmission sliding groove at three equidistant positions.

[0010] Further, the outer lens barrel B comprises an outer barrel B, a fourth guide sliding groove, a mounting hole and a fixing hole, the outer barrel B is provided with the fourth guide sliding groove at three equidistant positions of the arc surface, the surface of the outer barrel B is provided with the fixing hole at four corner positions, and the surface of the outer barrel B is provided with the mounting hole at positions close to the fixing hole.

[0011] Further, the three second transmission sliding rods respectively pass through the three fourth guide sliding grooves, and the end portions of the second transmission sliding rods extend into the second transmission sliding grooves.

[0012] Further, the stable guide structure comprises a stable ring, a fixed column and a fixed sliding column, the surface of the stable ring is fixedly installed with the fixed column and the fixed sliding column at four equidistant positions alternately, the other end of the fixed column and the fixed sliding column is fixedly installed in the corresponding mounting hole and fixed with the outer lens barrel B, and the two stable guide sliding rings are respectively slidably sleeved on the two fixed sliding columns.

[0013] Further, the surface of the second driving motor is fixedly installed with a second mounting seat, the second driving motor is fixedly installed on the surface of the outer barrel B through the second mounting seat, the output end of the second driving motor is fixedly installed with a second driving gear, and the second driving gear is in meshing connection with the second arc-shaped rack.

[0014] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0015] In the utility model, when the outer barrel A is telescoped forward or backward by the second driving motor driving the second driving structure, the outer barrel A is always kept on the fixed sliding column by the stable guide sliding ring and is telescoped forward or backward, so that transmission constraints exist at the head and tail of the outer barrel A, and the utility model can ensure that the outer barrel A does not shake, incline or be insufficiently constrained during operation, thereby being more stable. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model lens transmission stable mechanism;

[0017] Figure 2 It is a disassembled display view of the lens transmission stabilizing mechanism of the utility model;

[0018] Figure 3 It is a first driving ring partial section display view of the lens transmission stabilizing mechanism of the utility model;

[0019] Figure 4 It is a partial display view of the lens transmission stabilizing mechanism of the utility model;

[0020] Figure 5 It is an outer lens barrel A structure display view of the lens transmission stabilizing mechanism of the utility model;

[0021] Figure 6 It is an X linkage group structure display view of the lens transmission stabilizing mechanism of the utility model;

[0022] Figure 7 It is a prior art display view of the background technology of the utility model;

[0023] Figure 8 It is a constraint deficiency disadvantage display view of the prior art of the background technology of the utility model.

[0024] In the drawing: 1, linkage group; 2, outer lens barrel A; 201, outer barrel A; 202, linkage guide sliding groove; 203, second transmission sliding rod; 204, first transmission sliding groove; 205, stabilizing guide sliding ring; 3, first driving ring; 301, first arc-shaped rack; 4, first driving motor; 401, first driving gear; 5, second driving structure; 501, second driving ring; 502, second transmission sliding groove; 503, second arc-shaped rack; 6, outer lens barrel B; 601, outer barrel B; 602, fourth guide sliding groove; 603, mounting hole; 604, fixing hole; 7, second driving motor; 701, second mounting seat; 702, second driving gear; 8, stabilizing guide structure; 801, stabilizing ring; 802, fixed column; 803, fixed sliding column. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0026] For example, Figures 1-6As shown in the lens drive stabilizing mechanism, a linkage group 1 is provided, an outer lens barrel A2 is movably sleeved on the outer surface of the linkage group 1, a first drive ring 3 is movably sleeved on the outer surface of the outer lens barrel A2, a first drive motor 4 is fixedly installed on the outer surface of the outer lens barrel A2, an outer lens barrel B6 is movably sleeved on the rear end position of the outer surface of the outer lens barrel A2, a second drive structure 5 is movably sleeved on the outer surface of the outer lens barrel B6, a second drive motor 7 is fixedly installed on the outer surface of the outer lens barrel B6, and a stabilizing guide structure 8 is fixedly installed on the front surface of the outer lens barrel B6 and located at the periphery of the outer lens barrel A2.

[0027] The outer lens barrel A2 comprises an outer barrel A201, linkage guide slots 202, second transmission slide rods 203, first transmission slots 204 and stable guide slide rings 205. The outer surface of the outer barrel A201 is equally divided into three parts, and linkage guide slots 202 are arranged at the equally divided positions. The outer surface of the outer barrel A201 is equally divided into three parts, and second transmission slide rods 203 are fixedly installed between the linkage guide slots 202. The surface of the outer barrel A201 is equally divided into three parts, and first transmission slots 204 are arranged in front of the second transmission slide rods 203. The outer surface of the outer barrel A201 is equally divided into two parts near the front end, and stable guide slide rings 205 are fixedly installed at the equally divided positions. The surface of the first drive ring 3 is fixedly installed with a first arc-shaped rack 301, and the output end of the first drive motor 4 is fixedly installed with a first drive gear 401. The first drive gear 401 is in meshing connection with the first arc-shaped rack 301. The second drive structure 5 comprises a second drive ring 501, second transmission slots 502 and a second arc-shaped rack 503. The surface of the second drive ring 501 is fixedly installed with the second arc-shaped rack 503, and the surface of the second drive ring 501 is equally divided into three parts and is provided with second transmission slots 502. The outer lens barrel B6 comprises an outer barrel B601, fourth guide slots 602, mounting holes 603 and fixed holes 604. The arc surface of the outer barrel B601 is equally divided into three parts, and fourth guide slots 602 are arranged at the equally divided positions. The surface of the outer barrel B601 is provided with fixed holes 604 at the four corner positions, and mounting holes 603 are arranged at positions close to the fixed holes 604. Three second transmission slide rods 203 pass through three fourth guide slots 602 respectively, and the end portions of the second transmission slide rods 203 extend into the second transmission slots 502. The fixed holes 604 are used to fix the outer barrel B601. The stable guide structure 8 comprises a stable ring 801, fixed columns 802 and fixed slide columns 803. The surface of the stable ring 801 is fixedly installed with fixed columns 802 and fixed slide columns 803 at the four equally divided positions alternately, and the other ends of the fixed columns 802 and the fixed slide columns 803 are fixedly installed in the corresponding mounting holes 603 and fixed with the outer lens barrel B6. Two stable guide slide rings 205 are slidingly installed on two fixed slide columns 803 respectively. The fixed columns 802 and the fixed slide columns 803 have the function of fixing the stable ring 801, and the fixed slide columns 803 have the functions of guiding and stabilizing the outer barrel A201. The surface of the second drive motor 7 is fixedly installed with a second mounting seat 701, and the second drive motor 7 is fixedly installed on the surface of the outer barrel B601 through the second mounting seat 701. The output end of the second drive motor 7 is fixedly installed with a second drive gear 702, and the second drive gear 702 is in meshing connection with the second arc-shaped rack 503.

[0028] It should be noted that the utility model is a kind of lens transmission stabilizing mechanism, the mechanism when working, second drive motor 7 drives second arc gear rack 503 by second drive gear 702 to make second drive ring 501 rotate, to make second transmission sliding groove 502 drive second transmission sliding rod 203 telescopic movement in fourth guide sliding groove 602, second transmission sliding rod 203 is fixedly installed on the surface of outer tube A201, thus simultaneously drive outer tube A201 telescopic movement forwards and backwards, the moving direction of outer tube A201 is always limited on the straight line of fixed slide column 803 axial direction by stabilizing guide sliding ring 205 at this time, so whether outer tube A201 is forward or backward, it will not occur shaking and tilting condition, so that outer tube A201 and linkage group 1 in outer tube A201 are more stable when focusing, ensure that it will not occur shaking, tilting and insufficient constraint condition in the process of actuation.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lens transmission stabilization mechanism, characterized by: The invention comprises a linkage group (1), wherein an outer lens barrel A (2) is movably mounted on the outer surface of the linkage group (1), a first driving ring (3) is movably mounted on the outer surface of the outer lens barrel A (2), a first driving motor (4) is fixedly mounted on the outer surface of the outer lens barrel A (2), an outer lens barrel B (6) is movably mounted on the rear end of the outer surface of the outer lens barrel A (2), a second driving structure (5) is movably mounted on the outer surface of the outer lens barrel B (6), a second driving motor (7) is fixedly mounted on the outer surface of the outer lens barrel B (6), and a stabilizing guide structure (8) is fixedly mounted on the front surface of the outer lens barrel B (6) at the periphery of the outer lens barrel A (2).

2. The lens transmission stabilization mechanism according to claim 1, characterized in that: The outer lens barrel A (2) comprises an outer barrel A (201), a linkage guide slide groove (202), a second transmission slide bar (203), a first transmission slide groove (204) and a stabilizing guide slip ring (205). The outer surface of the outer barrel A (201) is provided with linkage guide slide grooves (202) at three equal parts, the outer surface of the outer barrel A (201) is provided with second transmission slide bars (203) fixedly installed at three equal parts and located between the linkage guide slide grooves (202), the outer surface of the outer barrel A (201) is provided with first transmission slide grooves (204) at three equal parts and located in front of the second transmission slide bar (203), and the outer surface of the outer barrel A (201) is provided with stabilizing guide slip rings (205) fixedly installed at two equal parts near the front end.

3. The lens transmission stabilization mechanism according to claim 2, characterized in that: A first arc-shaped rack (301) is fixedly mounted on the surface of the first drive ring (3), and a first drive gear (401) is fixedly mounted on the output end of the first drive motor (4).

4. The lens transmission stabilization mechanism according to claim 3, characterized in that: The first driving gear (401) is meshedly connected with the first arc-shaped rack (301).

5. The lens transmission stabilization mechanism according to claim 4, characterized in that: The second driving structure (5) comprises a second driving ring (501), a second transmission slide groove (502) and a second arc-shaped rack (503); the second arc-shaped rack (503) is fixedly mounted on the surface of the second driving ring (501); and the second transmission slide groove (502) is provided at three equal positions on the surface of the second driving ring (501).

6. The lens transmission stabilization mechanism according to claim 5, characterized in that: The outer lens barrel B (6) comprises an outer barrel B (601), a fourth guide slot (602), a mounting hole (603) and a fixing hole (604). The fourth guide slot (602) is provided at three equal parts of the arc surface of the outer barrel B (601), the fixing holes (604) are provided at four corners of the surface of the outer barrel B (601), and the mounting holes (603) are provided at positions near the fixing holes (604) on the surface of the outer barrel B (601).

7. The lens transmission stabilization mechanism according to claim 6, characterized in that: The three second transmission slide bars (203) pass through the three fourth guide slide bars (602) respectively, and the ends of the second transmission slide bars (203) extend into the interior of the second transmission slide bars (502).

8. The lens transmission stabilization mechanism according to claim 7, characterized in that: The stabilizing guide structure (8) comprises a stabilizing ring (801), a fixed column (802) and a fixed slide column (803). The fixed columns (802) and the fixed slide columns (803) are staggered and fixedly installed at four equal positions on the surface of the stabilizing ring (801). The other ends of the fixed columns (802) and the fixed slide columns (803) are fixedly installed in the mounting holes (603) at corresponding positions and fixed to the outer lens barrel B (6). The two stabilizing guide sliding rings (205) are respectively slidably mounted on the two fixed slide columns (803).

9. The lens transmission stabilization mechanism according to claim 8, characterized in that: A second mounting seat (701) is fixedly mounted on the surface of the second drive motor (7), and the second drive motor (7) is fixedly mounted on the surface of the outer cylinder B (601) through the second mounting seat (701). A second drive gear (702) is fixedly mounted on the output end of the second drive motor (7), and the second drive gear (702) is meshedly connected with the second arc-shaped rack (503).