CN216595690U - Focusing moving frame locking mechanism, lens driving device and camera equipment - Google Patents
Focusing moving frame locking mechanism, lens driving device and camera equipment Download PDFInfo
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- CN216595690U CN216595690U CN202220201254.XU CN202220201254U CN216595690U CN 216595690 U CN216595690 U CN 216595690U CN 202220201254 U CN202220201254 U CN 202220201254U CN 216595690 U CN216595690 U CN 216595690U
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Abstract
The utility model belongs to the technical field of the optics drive of focusing, especially, relate to a move frame locking mechanism, lens drive arrangement and camera equipment focus. It has solved prior art design defect such as unreasonable. The focusing moving frame locking mechanism comprises a focusing moving frame; the locking bolts are distributed at the periphery of the focusing movable frame; the locking position is arranged on the focusing movable frame; and the locking driving assembly drives the locking bolt to abut against the locking position so as to enable the focusing moving frame to be locked in the axial direction of the optical axis, and drives the locking bolt to be separated from the locking position. The application has the advantages that: the locking of locking bolt and locking position is utilized for it is locked at the optical axis axial when focusing and moving the frame and sinking the end state, can prevent in axial external force etc. the frame is moved in focusing and is thrown away the phenomenon outside the shell, and the design is more reasonable and can prolong and focus and move frame life to and can improve and focus the precision.
Description
Technical Field
The utility model belongs to the technical field of the optics drive of focusing, especially, relate to a move frame locking mechanism, lens drive arrangement and camera equipment focus.
Background
The lens driving needs to focus movement in the axial direction of the optical axis, the lens is fixed in the lens carrying frame, and the lens carrying frame focuses telescopic movement in the axial direction of the optical axis, so that the final focusing purpose is achieved.
When the lens carrier is in a reset (or bottom-sinking) state, the conventional lens carrier does not have axial locking of the optical axis, so that the lens carrier is easily thrown away by external force (axial force and the like) under the action of the external force, and the focusing precision and the service life of the lens carrier are influenced.
The process the utility model discloses people's retrieval, it also has not proposed the technical scheme who is used for solving lens year frame and is thrown away easily to discover current patent, consequently, the urgent need design one kind can solve above-mentioned technical problem's lens drive arrangement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a can solve the focusing of above-mentioned technical problem and move frame locking mechanism, lens drive arrangement and camera equipment is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the focusing moving frame locking mechanism comprises a focusing moving frame;
the locking bolts are distributed on the periphery of the focusing moving frame and move linearly in the direction perpendicular to the optical axis;
the locking position is arranged on the focusing moving frame;
and the locking driving assembly drives the locking bolt to abut against the locking position so as to enable the focusing moving frame to be locked in the axial direction of the optical axis, and drives the locking bolt to be separated from the locking position.
In the above focusing moving frame locking mechanism, the locking driving component drives the locking bolt to linearly move in the radial direction of the focusing moving frame.
In the above-mentioned focusing moving frame locking mechanism, the locking position includes a locking plane, and the locking bolt abuts against the locking plane to realize locking.
In the above-mentioned locking mechanism for the focusing moving frame, the focusing moving frame has an outer end surface and an inner end surface in the axial direction of the optical axis, a reinforcing plate is disposed on the inner end surface, the reinforcing plate has at least one corner protruding out of the outer peripheral surface of the focusing moving frame, and the corner protruding out of the outer peripheral surface of the focusing moving frame forms the above-mentioned locking position.
In the above-mentioned focusing moving frame locking mechanism, the locking driving assembly is an electromagnetic coil driving assembly.
In the above-described focusing moving frame locking mechanism, the locking drive assembly includes:
the locking driving coil is sleeved outside the focusing moving frame;
a drive magnet located inside the locking drive coil;
lorentz force generated by matching of the driving magnet and the locking driving coil drives the locking driving coil to move in the axial direction of the optical axis, and the locking driving coil pushes the locking bolt to be in a locking position or a non-locking position through a wedge-shaped transmission structure.
In the above focusing moving frame locking mechanism, the locking driving coil includes a coil frame having a coil slot, the coil frame is connected to the base through an elastic member, and a driving winding coil is fixed in the coil slot.
In the above-mentioned focusing moving frame locking mechanism, the wedge transmission structures have two groups and are distributed at the diagonal angles of the coil frame.
In the above-mentioned focusing moving frame locking mechanism, the wedge transmission structure includes a wedge transmission part connected to the coil frame, and a contact part contacting with the wedge transmission part is provided on the locking bolt.
In the above-mentioned focusing moving frame locking mechanism, the elastic member includes four elastic reeds that are circumferentially distributed, the coil frame is a square frame, one end of the elastic reed is connected in the middle of the corresponding side of the coil frame, and the other end of the elastic reed is connected on the corresponding stand column of the base through the torsion-resistant portion.
In the above-mentioned focusing moving frame locking mechanism, an avoiding through hole is provided on the locking bolt, the contact portion is provided on a hole wall of the avoiding through hole, and the wedge-shaped transmission portion is inserted in the avoiding through hole and a lower wedge-shaped surface of the wedge-shaped transmission portion contacts with the contact portion.
In foretell move frame locking mechanism of focusing, locking bolt movable mounting is in the bolt shell be equipped with the outer round pin that link up each other on the bolt shell and dodge the hole and the hole is dodged to the inner round pin, the one end that the locking bolt was equipped with the contact site is followed the outer round pin and is dodged outwardly in the hole and the contact site is located this outer round pin and dodges the outer orifice outside in hole be equipped with the cover in the bolt shell and establish the spring on the locking bolt, the one end of spring acts on the bolt shell and is equipped with an inside wall in outer round pin dodge the hole, the other end of spring acts on the convex part of locking bolt.
In the above-mentioned focusing moving frame locking mechanism, an anti-injury part is folded at one end of the locking bolt in abutting contact with the locking position.
The utility model provides a lens drive arrangement includes base and lock shell on the base to and focus and move the frame, place in focusing and moving the frame in the cavity that base and shell formed, the device have focusing move frame locking mechanism.
In the lens driving device, a focusing driving coil is arranged outside the focusing moving frame, and the focusing driving coil is positioned inside the driving magnet.
The utility model provides another kind of camera equipment has lens drive arrangement.
Compared with the prior art, the application has the advantages that:
the locking of locking bolt and locking position is utilized for it is locked at the optical axis axial when focusing and moving the frame and sinking the end state, can prevent in axial external force etc. the frame is moved in focusing and is thrown away the phenomenon outside the shell, and the design is more reasonable and can prolong and focus and move frame life to and can improve and focus the precision.
The device is compact and low cost.
The locking driving mode is simple, easy to control and good in stability.
Drawings
Fig. 1 is a schematic structural view of the focusing moving frame locking mechanism provided by the present invention.
Fig. 2 is a schematic structural diagram of the locking drive coil provided by the present invention.
Fig. 3 is a schematic view of the structure of fig. 1, taken along line a-a, rotated 45 °.
Fig. 4 is a schematic view of the locking bolt structure provided by the present invention.
Fig. 5 is a schematic view of the structure of the plug pin housing provided by the present invention.
Fig. 6 is a schematic view of another perspective structure of the plug pin housing according to the present invention.
Fig. 7 is a schematic diagram illustrating the evolution from the power-off state to the power-on state provided by the present invention.
Fig. 8 is a schematic view of the three-dimensional structure of the focusing moving frame locking mechanism provided by the present invention.
Fig. 9 is an exploded schematic view of the lens driving device according to the present invention.
Fig. 10 is a schematic structural diagram of the lens driving apparatus according to the present invention after a lens is mounted thereon.
Fig. 11 is a schematic structural diagram of the fourth embodiment of the present invention.
In the figure, a focusing moving frame 1, a locking position 10, a locking plane 100, an outer end surface 11, an inner end surface 12, a reinforcing plate 13, a column 14, a locking bolt 2, a contact part 20, an avoiding through hole 21, a bolt housing 22, an outer bolt avoiding hole 220, an inner bolt avoiding hole 221, a spring 23, an outer protrusion 24, an anti-damage part 25, a locking driving component 3, a locking driving coil 30, a coil groove 301, a coil frame 302, a driving winding coil 303, a driving magnet 31, a wedge-shaped transmission structure 32, a wedge-shaped transmission part 320, an elastic piece 33, an elastic reed 330, a torsion resisting part 331, a base 4, a housing 5 and a focusing driving coil 6.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 9, the three coordinates of the present embodiment are an X axis, a Y axis and a Z axis, which are distributed perpendicularly to each other.
Example one
As shown in fig. 1-8, the focusing moving frame locking mechanism includes a focusing moving frame 1, a locking bolt 2, a locking position 10 and a locking driving assembly 3.
The focusing moving frame 1 moves on the Z axis to achieve the focusing purpose.
The focusing motion driving can be in a solenoid driving mode, a stepping motor gear rack driving mode or a piezoelectric driving mode.
The locking bolt 2 moves linearly in the X direction perpendicular to the optical axis to improve the compactness of the whole structure, and meanwhile, the mode is convenient for the selection and the use of a driving assembly, and the locking bolt is low in cost and simple in structure.
Specifically, the locking bolts 2 of the present embodiment are distributed on the periphery of the focusing moving frame 1, and move linearly from outside to inside, so as to achieve the purpose of abutting contact locking and the purpose of canceling locking. In order to realize locking, the locking position 10 of the present embodiment is disposed on the focusing moving frame 1.
The locking driving assembly 3 drives the locking bolt 2 to abut against the locking position 10 so that the focusing moving frame 1 is locked in the axial direction of the optical axis, and the locking driving assembly 3 drives the locking bolt 2 to be separated from the locking position 10.
The locking driving assembly 3 can be an electromagnetic coil driving assembly, a driving assembly of a linear driver and a driving mode of a lead screw nut matched motor.
This embodiment utilizes locking drive assembly 3 drive locking bolt 2 to be focusing the radial inside and outside removal of moving frame 1, promptly, locking drive assembly 3 drive locking bolt 2 is in focusing the radial linear motion of moving frame 1, radially inwards reaching the locking purpose, and radially outwards then reach the purpose of cancellation locking, utilize the locking of locking bolt 2 and locking position 10 for it is locked at the optical axis axial when sinking the end state to focus moving frame 1, can prevent under axial external force etc. the phenomenon of moving frame 1 and being thrown out to the shell outside focusing, the design is more reasonable and can prolong and focus moving frame 1 life to and can improve the precision of focusing.
Preferably, as shown in fig. 1 to 8, the locking position 10 includes a locking plane 100, and the locking bolt 2 abuts against the locking plane 100 to achieve locking, that is, the locking bolt 2 presses against the locking plane 100 to achieve locking. Further, the focusing moving frame 1 has an outer end surface 11 and an inner end surface 12 in the axial direction of the optical axis, a reinforcing plate 13 is provided on the inner end surface 12, the reinforcing plate 13 has at least one corner portion protruding from the outer peripheral surface of the focusing moving frame 1, and the corner portion protruding from the outer peripheral surface of the focusing moving frame 1 forms the above-mentioned locking position 10.
The number of the locking positions 10 can also be multiple, preferably two, and the two locking positions are symmetrically distributed to ensure the balance of locking, the number of the locking positions 10 is not too large, which can increase the cost of the locking bolt 2, and simultaneously, the contact friction force can be increased, and the consumption of the driving force is further increased.
The reinforcing plate 13 is provided with a plurality of positioning pin holes, the inner end surface 12 is provided with a plurality of positioning pins, the positioning pins are inserted into the corresponding positioning pin holes one by one to realize accurate installation, and then the reinforcing plate and the positioning pins are fixed together by using glue.
The material of gusset plate 13 can select for use the metal sheet, wear-resisting and long service life, can also select for use engineering plastic board certainly.
Preferably, the locking driving assembly 3 of the present embodiment includes a locking driving coil 30 and a driving magnet 31, that is, a driving method using lorentz force.
The locking driving coil 30 is sleeved outside the focusing moving frame 1;
the driving magnet 31 is positioned inside the locking driving coil 30;
the Lorentz force generated by the cooperation of the drive magnet 31 and the locking drive coil 30 drives the locking drive coil 30 to move axially on the optical axis, and the locking drive coil 30 pushes the locking bolt 2 to be in the locking position or the unlocking position through the wedge-shaped transmission structure 32.
The above-mentioned way allows a design distribution in a limited inner space, so that the overall proceeding volume is minimized as much as possible.
Next, as shown in fig. 1 to 8, the locking driving coil 30 includes a coil frame 302 having a coil slot 301, the coil frame 302 is a sheet metal part, a notch of the coil slot 301 faces downward, the coil frame 302 is connected to the base 4 through an elastic member 33, and a driving winding coil 303 is fixed in the coil slot 301. The coil slot 301 may provide protection to the drive winding coil 303 to prevent friction from causing damage to the drive winding coil 303.
Of course, it is contemplated that several weight-reducing notches may be designed on opposing sidewalls of the coil form 302 to reduce weight appropriately.
The driving winding coil 303 is annular, and the driving magnets 31 of the present embodiment are four and are circumferentially and uniformly distributed and fixed on the base 4 to provide a stable magnetic thrust.
Preferably, the wedge shaped transmission structure 32 of the present embodiment has two sets and is distributed at diagonal corners of the coil frame 302. The balance of the power transmission can be ensured. Specifically, the wedge actuator 32 includes a wedge actuator 320 connected to the coil frame 302, and a contact portion 20 contacting the wedge actuator 320 is provided on the lock bolt 2.
The wedge-shaped transmission parts 320 are distributed inward from top to bottom in the radial direction of the focusing frame 1.
The coil frame 302 and the wedge actuator 320 are integrally formed, thereby ensuring the structural strength of the joint between the coil frame and the wedge actuator and ensuring the stability of the inclination angle of the wedge actuator 320.
Preferably, the elastic member 33 of this embodiment comprises four elastic spring blades 330 distributed circumferentially, the coil frame 302 is a square frame, one end of each elastic spring blade 330 is connected to the middle of the corresponding side edge of the coil frame 302, and the other end of each elastic spring blade 330 is connected to the corresponding upright 14 of the base 4 through a torsion-resistant part 331.
The elastic component 33 can make the coil frame 302 in a suspended state, when the lorentz force is driven, the coil frame 302 can move axially on the optical axis, and the movement of the coil frame 302 drives the position of the wedge-shaped transmission part 320 to change, and in the change process, the contact part 20 in contact with the wedge-shaped transmission part 320 can drive the locking bolt 2 to move linearly, so that the purposes of locking and unlocking are achieved. Further, be equipped with on locking bolt 2 and dodge through-hole 21, contact site 20 is located the pore wall of dodging through-hole 21, wedge transmission portion 320 insert in dodge through-hole 21 and the lower wedge face of wedge transmission portion 320 contacts with contact site 20, dodge through-hole 21 and form dodging, ensure power transmission's stability to and ensure the structural strength of locking bolt 2.
Secondly, the locking bolt 2 of the present embodiment is movably installed in the bolt housing 22, the bolt housing 22 is provided with an outer pin avoiding hole 220 and an inner pin avoiding hole 221 which are communicated with each other, the bolt avoiding hole may also be referred to as a guiding hole to guide the bolt, one end of the locking bolt 2 provided with the contact portion 20 extends outward from the outer pin avoiding hole 220 and the contact portion 20 is located outside an outer opening of the outer pin avoiding hole 220, the bolt housing 22 is provided with a spring 23 which is sleeved on the locking bolt 2, one end of the spring 23 acts on an inner side wall of the bolt housing 22 provided with the outer pin avoiding hole 220, the other end of the spring 23 acts on an outer protrusion 24 of the locking bolt 2, the transmission power of the wedge-shaped transmission portion 320 and the contact portion 20 forces one end of the locking bolt 2 away from the contact portion 20 to extend out of the inner pin avoiding hole 221 to the bolt housing 22 and contact against the locking position 10, or the transmission power of the wedge shaped transmission part 320 and the contact part 20 forces the locking bolt 2 to be disengaged from the contact part 20. Latch housing 22 is secured in a receiving aperture in base 4.
In addition, a scratch prevention portion 25 is folded at one end of the lock plug 2 in abutting contact with the lock position 10. The atraumatic portion 25 and the deadbolt 2 are connected by an arcuate portion and the atraumatic portion 25 and the deadbolt 2 form an included angle of less than 90. The wedge drive 320 is tangent to the arcuate portion.
The locking process is as follows:
the locking driving coil 30 is powered off, the locking bolt 2 at this time linearly moves in the radial direction of the focusing moving frame 1 under the elastic force recovery driving of the spring 23, the wedge-shaped transmission part 320 forces the coil frame 302 connected with the wedge-shaped transmission part 320 to move towards one side far away from the base 4 at the optical axis (or the Z axis) under the elastic force, the focusing moving frame 1 at this time is in a bottom sinking state close to the base 4, one end of the locking bolt 2 provided with the injury prevention part 25 extends out of the bolt housing 22 from the inner inserting pin avoiding hole 221 and is contacted with the locking position 10 in a propping manner, and the focusing moving frame 1 at this time cannot move in a focusing manner at the optical axis (or the Z axis).
The unlocking process is as follows:
the locking driving coil 30 is electrified, the Lorentz force generated by the locking driving coil 30 and the driving magnet forces the coil frame 302 to move towards the base 4, and the wedge-shaped transmission part 320 at the moment continuously approaches the base 4 to force the spring 23 to compress, so that the locking bolt 2 is finally separated from the locking position 10 outwards in the radial direction.
Example two
The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: the wedge actuator 32 comprises a wedge actuator 320 connected to the coil form 302, and a mating wedge portion is provided on the locking bolt 2 in mating contact with the wedge actuator 320.
EXAMPLE III
Based on the first embodiment or the second embodiment, as shown in fig. 9 to 10, the present embodiment provides a lens driving device including a base 4, a housing 5 fastened on the base 4, and a focusing moving frame 1, where the focusing moving frame 1 is disposed in a cavity formed by the base 4 and the housing 5, and the present embodiment further includes a locking mechanism a of the first embodiment or the second embodiment.
Next, a focusing driving coil 6 is provided outside the focusing frame 1, and the focusing driving coil 6 is located inside the driving magnet 31.
That is, the driving magnet 31 is shared by the focusing movement of the focusing moving frame 1 and the movement of the locking driving coil 30 on the optical axis (or Z axis), so that the cost is reduced to the maximum extent, the internal space is saved, and the whole structure is more compact.
Focusing movable frame 1 and base 4 realize the direction of focusing through guide post and guiding hole's mode, for example, the guide post is fixed in base 4, is equipped with the guiding hole at focusing movable frame 1's outer wall shirt rim.
Example four
As shown in fig. 11, the present embodiment provides an image pickup apparatus having the lens driving device of the third embodiment. The image pickup apparatus of the present embodiment is, for example, an electronic product such as a mobile phone.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (16)
1. The focusing moving frame locking mechanism comprises a focusing moving frame (1), and is characterized by further comprising:
the locking bolts (2) are distributed on the periphery of the focusing moving frame (1), and the locking bolts (2) move linearly in the direction perpendicular to the optical axis;
the locking position (10) is arranged on the focusing movable frame (1);
the locking driving assembly (3) drives the locking bolt (2) to abut against the locking position (10) so that the focusing moving frame (1) is locked in the axial direction of the optical axis, and the locking driving assembly (3) drives the locking bolt (2) to be separated from the locking position (10).
2. The focusing moving frame locking mechanism according to claim 1, wherein the locking driving assembly (3) drives the locking bolt (2) to move linearly in the radial direction of the focusing moving frame (1).
3. The focusing moving frame locking mechanism according to claim 1, wherein the locking position (10) comprises a locking plane (100), and the locking bolt (2) abuts against the locking plane (100) to achieve locking.
4. The focusing moving frame locking mechanism according to claim 1, 2 or 3, wherein the focusing moving frame (1) has an outer end surface (11) and an inner end surface (12) in the axial direction of the optical axis, a reinforcing plate (13) is provided on the inner end surface (12), the reinforcing plate (13) has at least one corner portion protruding from the outer peripheral surface of the focusing moving frame (1), and the corner portion protruding from the outer peripheral surface of the focusing moving frame (1) forms the locking position (10).
5. The focusing moving frame locking mechanism according to claim 1, wherein the locking driving assembly (3) is a solenoid driving assembly.
6. The focusing moving frame locking mechanism according to claim 1 or 5, wherein the locking driving assembly (3) comprises:
a locking driving coil (30) which is sleeved outside the focusing moving frame (1);
a drive magnet (31) located inside the lock drive coil (30);
lorentz force generated by the cooperation of the driving magnet (31) and the locking driving coil (30) drives the locking driving coil (30) to move in the axial direction of the optical axis, and the locking driving coil (30) pushes the locking bolt (2) to be in a locking position or a non-locking position through a wedge-shaped transmission structure (32).
7. The focusing moving frame locking mechanism according to claim 6, wherein the locking driving coil (30) comprises a coil frame (302) having a coil slot (301), the coil frame (302) is connected to the base (4) through an elastic member (33), and a driving winding coil (303) is fixed in the coil slot (301).
8. The focusing moving frame locking mechanism according to claim 7, wherein the wedge transmission structures (32) have two groups and are distributed at the diagonal angles of the coil frame (302).
9. The focusing moving frame locking mechanism according to claim 8, characterized in that the wedge transmission structure (32) comprises a wedge transmission part (320) connected to the coil frame (302), and a contact part (20) contacting with the wedge transmission part (320) is provided on the locking bolt (2).
10. The focusing moving frame locking mechanism according to claim 9, wherein the elastic member (33) comprises four elastic reeds (330) distributed circumferentially, the coil frame (302) is a square frame, one end of each elastic reed (330) is connected to the middle of the corresponding side edge of the coil frame (302), and the other end of each elastic reed (330) is connected to the corresponding upright (14) of the base (4) through a torsion-resistant part (331).
11. The focusing moving frame locking mechanism according to claim 9, wherein the locking bolt (2) is provided with an avoiding through hole (21), the contact portion (20) is provided on a hole wall of the avoiding through hole (21), the wedge-shaped transmission portion (320) is inserted into the avoiding through hole (21), and a lower wedge surface of the wedge-shaped transmission portion (320) contacts with the contact portion (20).
12. The focusing moving frame locking mechanism according to claim 11, wherein the locking bolt (2) is movably mounted in a bolt housing (22), an outer inserting pin avoiding hole (220) and an inner inserting pin avoiding hole (221) which are communicated with each other are formed in the bolt housing (22), one end of the locking bolt (2) provided with a contact part (20) extends outwards from the outer inserting pin avoiding hole (220) and the contact part (20) is positioned outside an outer hole of the outer inserting pin avoiding hole (220), a spring (23) which is sleeved on the locking bolt (2) is arranged in the bolt housing (22), one end of the spring (23) acts on an inner side wall of the bolt housing (22) provided with the outer inserting pin avoiding hole (220), and the other end of the spring (23) acts on the outer convex part (24) of the locking bolt (2).
13. The focusing moving frame locking mechanism according to claim 12, characterized in that the end of the locking bolt (2) in abutting contact with the locking position (10) is folded with a scratch-proof part (25).
14. Lens driving device, comprising a base (4) and a housing (5) fastened to the base (4), and a focusing moving frame (1), wherein the focusing moving frame (1) is built in a cavity formed by the base (4) and the housing (5), characterized in that the device has a focusing moving frame locking mechanism (a) according to any one of claims 6 to 13.
15. The lens driving device according to claim 14, wherein a focusing driving coil (6) is provided outside the focusing frame (1), and the focusing driving coil (6) is located inside the driving magnet (31).
16. An image pickup apparatus characterized by having the lens driving device according to any one of claims 14 to 15.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220201254.XU CN216595690U (en) | 2022-01-25 | 2022-01-25 | Focusing moving frame locking mechanism, lens driving device and camera equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220201254.XU CN216595690U (en) | 2022-01-25 | 2022-01-25 | Focusing moving frame locking mechanism, lens driving device and camera equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326003A (en) * | 2022-01-25 | 2022-04-12 | 新思考电机有限公司 | Focusing moving frame locking mechanism, lens driving device and camera equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114326003A (en) * | 2022-01-25 | 2022-04-12 | 新思考电机有限公司 | Focusing moving frame locking mechanism, lens driving device and camera equipment |
| CN114326003B (en) * | 2022-01-25 | 2024-01-23 | 新思考电机有限公司 | Focusing moving frame locking mechanism, lens driving device and image pickup apparatus |
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