CN114114584A - Electrically-controlled optical lens frame - Google Patents

Abstract

The invention relates to the technical field of optical instruments, and particularly discloses an electrically-adjusted optical mirror frame which comprises a mirror frame, a fixed plate, an X-axis driving mechanism and a Y-axis driving mechanism, wherein the fixed plate is hinged with the mirror frame, the X-axis driving mechanism is installed on the mirror frame and used for controlling the mirror frame to rotate along the X-axis direction, and the Y-axis driving mechanism is installed on the fixed plate and used for controlling the mirror frame to rotate along the Y-axis direction. The invention can effectively overcome the problems of inconvenience, large volume and poor rigidity in the rolling direction of the mirror surface of the conventional electric tilt frame for driving the obliquely arranged lens.

Description

Electrically-controlled optical lens frame

Technical Field

The invention relates to the technical field of optical instruments, in particular to an electrically-adjustable optical frame.

Background

The electrically-adjustable optical frame is widely applied to an optical-mechanical system and generally has two-dimensional angle adjusting functions of pitching and azimuth. The optical frame used in the precision optical machine system has the advantages of sensitive and smooth angle adjusting function, accurate and stable positioning performance after adjustment, and simple and convenient operation.

The mirror surface of the common electrically-adjustable optical mirror frame on the market is perpendicular to the mirror frame mounting surface. In some optical systems, some lenses arranged obliquely to the mounting surface require an electrical adjustment mechanism to finely adjust the angle of the lens.

And the X of current electric tilt frame arranges at back or bottom surface to motor element usually, when requiring that the mirror surface center is close to installation face and slope to use, the X that the back was arranged easily interferes with the installation bottom surface to motor element, needs to design higher switching structure and carries out the switching installation to current electric tilt frame, and occupation system space is big, is difficult to use in narrow and small installation space, and stability is difficult to guarantee.

The existing electric adjusting mirror usually adopts a spherical hinge structure, the structure is sensitive in rotation and suitable for a small-caliber mirror frame, but the rigidity of the mirror surface in the rolling direction is small, when the large electric adjusting mirror provided with the spherical hinge structure is used in an external field vibration environment, the movable mirror frame structure is impacted, and is easy to generate lateral movement, so that the position of a lens is changed, and the large electric adjusting mirror is difficult to adapt to a severe environment with severe vibration impact such as vehicle-mounted vibration.

Disclosure of Invention

The invention aims to solve the technical problem of providing an electric tilt optical frame, which can effectively solve the problems of inconvenience for driving an inclined lens, large volume and poor rigidity in a rolling direction of a mirror surface of the existing electric tilt optical frame.

The technical problem to be solved by the invention is as follows:

the utility model provides an electrically-controlled optical mirror holder, includes the picture frame, with picture frame articulated fixed plate, install on the picture frame and be used for controlling the picture frame along the rotatory X axle actuating mechanism of X axle direction to and install on the fixed plate and be used for controlling the picture frame along the rotatory Y axle actuating mechanism of Y axle direction.

The lens is arranged on the lens frame, when the position of the lens frame and the fixed plate is required to be adjusted by rotating the lens frame along the X-axis direction, the X-axis driving device outputs the lens frame to one side close to the fixed plate, so that the lens frame rotates along a rotating shaft formed by a hinged point and a contact point of the Y-axis driving device and the lens frame; when the position of the mirror frame and the fixed plate needs to be adjusted by rotating the mirror frame along the Y-axis direction, the Y-axis driving device outputs the mirror frame to one side close to the fixed plate, so that the mirror frame rotates along a rotating shaft formed by a hinged point and a butting point of the Y-axis driving device and the mirror frame; the relative position of the lens and the fixed plate is changed by controlling the relative position change of the lens frame and the fixed plate;

in some possible embodiments, in order to effectively realize the rotation of the lens frame around the same hinge point in the directions of the X axis and the Y axis, the adjustment of the position of the lens frame is realized;

a flexible hinge is arranged between the picture frame and the fixed plate, a connecting line of the flexible hinge and the X-axis driving mechanism is arranged along the Y-axis direction, and the connection of the flexible hinge and the Y-axis driving mechanism is arranged along the X-axis direction; the flexible hinge is arranged at the corner of the spectacle frame and the fixed plate.

In some possible embodiments, in order to guarantee the stability of the frame when rotating;

the flexible hinge is a cross flexible hinge and comprises a first connecting column and a second connecting column which are coaxially arranged, and a flexible rotating part which is coaxially connected between the first connecting column and the second connecting column.

In some of the possible embodiments, the first and second,

the flexible rotating part comprises a first connecting disc, a Y-direction rotating shaft, a second connecting disc, an X-direction rotating shaft and a third connecting disc, wherein the first connecting disc is sequentially connected with the first connecting column;

one side of the connecting disc III, which is far away from the X-direction rotating shaft, is coaxially connected with the connecting column II; the first connecting column is connected with a connecting disc through a coaxial shaft.

The flexible rotating part arranged by the above structure can effectively limit the rotation motion of the mirror frame around the X axis or the Y axis under the drive of the motor, and the contact deformation fluctuation caused by the spherical hinge in the vibration environment and the shaking of the ball caused by the inertia of the mirror frame in the conical structure in the prior art are eliminated, so that the change of the mirror surface posture caused by the shaking of the mirror frame in the strong vibration environment is effectively avoided.

In some possible embodiments, in order to effectively realize that the restoring force is provided when the X-axis driving mechanism and the Y-axis driving mechanism are driven;

a first elastic component connected with the mirror frame and the fixed plate respectively is arranged between the X-axis driving mechanism and the flexible hinge; a second elastic assembly connected with the mirror frame and the fixed plate respectively is arranged between the Y-axis driving mechanism and the flexible hinge;

the X-axis driving mechanism, the elastic assembly I and the flexible hinge are arranged on the same plane along the Y-axis direction, and the Y-axis driving mechanism, the elastic assembly II and the flexible hinge are arranged on the same plane along the X-axis direction.

In some of the possible embodiments, the first and second,

the elastic assembly I comprises a first tension spring and Y connecting shafts which are arranged at two ends of the first tension spring and arranged along the Y-axis direction;

the elastic assembly II comprises a tension spring II and X connecting shafts which are arranged at two ends of the tension spring I and are arranged along the X-axis direction;

wherein the Y connecting shaft and the Y-direction rotating shaft are coaxially arranged, and the X connecting shaft and the X-direction rotating shaft are coaxially arranged.

In some possible embodiments, in order to effectively realize that the X-axis driving mechanism controls the lens frame to rotate along the X-axis direction, and the Y-axis driving mechanism controls the lens frame to rotate along the Y-axis direction;

the X-axis driving mechanism and the Y-axis driving mechanism have the same structure;

x axle actuating mechanism is including installing X butt piece, the X that just passes picture frame and X butt piece butt on the picture frame to fine setting lead screw drive arrangement that is close to picture frame one side at the fixed plate.

In some of the possible embodiments, the first and second,

the X-direction fine adjustment screw rod driving device comprises an X-direction motor, a first adapter sleeve sleeved on the outer side of an output shaft of the X-direction motor, a first coupler sleeved in the first adapter sleeve and connected with the output shaft of the X-direction motor, a first screw rod in transmission connection with the first coupler, a first transmission nut fixedly connected with the first adapter sleeve and in screw connection with the first screw rod, and a first ball head installed at one end, far away from the first coupler, of the first screw rod and abutted to an X abutting block; and the first transmission nut is fixedly connected with the mirror frame.

In some of the possible embodiments, the first and second,

one side of the first screw rod close to the first coupler is provided with a first screw rod connecting shaft with a T-shaped cross section, and the small end of the first screw rod connecting shaft is in smooth transition connection with the first screw rod; one end of the first coupling close to the first screw rod is provided with a first U-shaped groove for slidably mounting a first screw rod connecting shaft; and a first limiting boss for limiting the first screw rod connecting shaft to slide out along the first length direction of the screw rod is arranged at the opening of the first U-shaped groove.

In some possible embodiments, the sensitivity is effectively improved when the rotation along the X-axis direction and the Y-axis direction is performed, and the device has good rigidity in other directions

One side of the X abutting block, which is close to the first ball head, is provided with a first V-shaped groove; the long direction of the first V-shaped groove is arranged along the Y-axis direction, and the axis of the first V-shaped groove is coaxial with the Y-axis rotating shaft.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the X-axis driving mechanism and the Y-axis driving mechanism are respectively matched with the hinge, so that the picture frame can effectively realize independent rotation in the X-axis direction and the Y-axis direction;

according to the invention, the cross flexible hinge is matched with the V-shaped groove I and the V-shaped groove II, and compared with a spherical hinge structure for realizing hinge, the direction of rotation of the mirror frame in the X-axis direction or the Y-axis direction is effectively limited, and good rigidity in other directions is ensured, so that the overall rigidity of the mirror frame is better;

according to the invention, the X-axis driving device is arranged on one side of the mirror frame far away from the fixed plate, the Y-axis driving device is arranged on one side of the fixed plate far away from the mirror frame, and the X-axis driving device and the Y-axis driving device are ensured to be perpendicular to the mirror frame, so that the interference between a longer motor driver and a mounting surface is avoided;

according to the invention, the elastic assembly I and the elastic assembly II are arranged, so that the contact gap of the screw rod I or the screw rod is effectively eliminated, and the restoring force can be provided;

according to the invention, the motor drives the screw rod to do linear motion, so that the ball head arranged at the end part of the screw rod is close to or far away from the abutting block to drive the mirror frame to rotate around the hinge point; compared with the prior art, the invention has higher adjustment precision, and the stroke of the invention can meet the use requirement.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a flexible hinge according to the present invention;

FIG. 3 is a schematic diagram showing the positional relationship among the X-axis driving mechanism, the Y-axis driving mechanism, the first elastic element, the second elastic element, the fixing plate and the supporting seat according to the present invention;

FIG. 4 is a schematic diagram showing the positional relationship among the X-abutting block, the Y-abutting block, the fixing plate, the first elastic component and the second elastic component

FIG. 5 is a schematic structural view of an X-abutting block according to the present invention;

FIG. 6 is a schematic view of the structure of the X-axis driving device of the present invention;

FIG. 7 is a cross-sectional view of the X-axis drive of the present invention;

FIG. 8 is a schematic view showing a connection relationship between a ball head, a lead screw and a coupling according to the present invention;

wherein: 1. a mirror frame; 2. a fixing plate; 3. a flexible hinge; 31. connecting a column I; 32. a first connecting disc; 33. a Y-direction rotating shaft; 34. a second connecting disc; 35. an X-direction rotating shaft; 36. a connecting disc III; 37. connecting a second column; 4. an X-axis drive mechanism; 41. an X-axis drive device; 411. an X-direction motor; 412. a first coupler; 4121. a U-shaped groove; 4122. a limiting boss; 413. sleeving a first adapter sleeve; 414. a first screw rod; 4141. the screw rod is connected with the shaft I; 415. a first transmission nut; 416. a first ball head; 42. an X abutment block; 421. a first V-shaped groove; 5. a Y-axis drive mechanism; 51. a Y-axis drive device; 52. a Y butt joint block; 6. a supporting seat; 7. a second elastic component; 71. a tension spring II; 72. a Y connecting shaft; 8. a first elastic component; 81. a first tension spring; 82. and X is connected with the shaft.

Detailed Description

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in detail below.

As shown in fig. 1-8:

the utility model provides an electrically-controlled optical mirror holder, includes picture frame 1, with picture frame 1 articulated fixed plate 2, install on the picture frame 1 and be used for controlling picture frame 1 along the rotatory X axle actuating mechanism 4 of X axle direction and install on fixed plate 2 and be used for controlling picture frame 1 along the rotatory Y axle actuating mechanism 5 of Y axle direction.

The lens is installed on the lens frame 1, when the lens frame 1 needs to rotate along the X-axis direction so as to adjust the position of the lens frame 1 and the fixed plate 2, the X-axis driving device 41 outputs the lens frame to one side close to the fixed plate 2, and therefore the lens frame 1 rotates along a rotating shaft formed by a hinged point and a contact point of the Y-axis driving device and the lens frame 1; when the position of the lens frame 1 and the fixed plate 2 needs to be adjusted by rotating the lens frame along the Y-axis direction, the Y-axis driving device outputs the position to one side close to the fixed plate 2, so that the lens frame 1 rotates along a rotating shaft formed by a hinged point and a contact point of the Y-axis driving device and the lens frame 1; the relative position of the lens and the fixed plate 2 is changed by controlling the relative position change of the lens frame 1 and the fixed plate 2;

in some possible embodiments, in order to effectively realize the rotation of the lens frame 1 around the same hinge point in the directions of the X axis and the Y axis, thereby realizing the adjustment of the position of the lens frame 1;

a flexible hinge 3 is arranged between the spectacle frame 1 and the fixed plate 2, a connecting line of the flexible hinge 3 and the X-axis driving mechanism 4 is arranged along the Y-axis direction, and the connection of the flexible hinge 3 and the Y-axis driving mechanism 5 is arranged along the X-axis direction; the flexible hinge 3 is arranged at the corner of the spectacle frame 1 and the fixed plate 2.

In some possible embodiments, in order to guarantee the stability of the frame 1 when it rotates;

the flexible hinge 3 is a cross flexible hinge 3, and comprises a first connecting column 31 and a second connecting column 37 which are coaxially arranged, and a flexible rotating part which is coaxially connected and arranged between the first connecting column 31 and the second connecting column 37.

Wherein, the first connecting column 31 is connected with the spectacle frame 1 through a bolt, and the second connecting column 37 is connected with the fixed plate 2 through a bolt.

In some of the possible embodiments, the first and second,

the flexible rotating part comprises a first connecting disc 32, a Y-direction rotating shaft 33, a second connecting disc 34, an X-direction rotating shaft 35 and a third connecting disc 36, wherein the first connecting disc 32, the Y-direction rotating shaft 33 and the second connecting disc 34 are sequentially connected with a first connecting column 31;

one side of the connecting disc III 36, which is far away from the X-direction rotating shaft 35, is coaxially connected with the connecting column II 37; the connecting column I31 is coaxially connected with the connecting disc I32.

As shown in fig. 2, the first connecting column 31 and the second connecting column 37 are coaxially arranged and are located at two sides of the flexible rotating part; the first connecting column 31, the first connecting disc 32, the Y-direction rotating shaft 33, the second connecting disc 34, the X-direction rotating shaft 35, the third connecting disc 36 and the second connecting column 37 are sequentially connected, wherein the first connecting column 31 is connected with the spectacle frame 1, the second connecting column 37 is connected with the fixed plate 2, and a flexible rotating part formed by the first connecting disc 32, the Y-direction rotating shaft 33, the second connecting disc 34, the X-direction rotating shaft 35 and the third connecting disc 36 is positioned between the spectacle frame 1 and the fixed plate 2; the X-axis rotating shaft is orthogonal to the Y-axis rotating shaft 33; and two grooves with the same structure are respectively formed between the first connecting disc 32 and the second connecting disc 34, and between the second connecting disc 34 and the third connecting disc 36.

When the X-axis driving device 41 is required to drive the mirror frame 1 to rotate along the X-axis direction, the X-axis rotating shaft 35 will be used as a rotating shaft, so that the coupling influence on the Y-axis rotating shaft 33 is small while the rotation adjustment in the X-axis direction is ensured.

The flexible rotating part arranged by the above structure can effectively limit the rotation motion of the picture frame 1 around the X axis or the Y axis, and the contact deformation fluctuation caused by the spherical hinge in the vibration environment and the shaking of the ball caused by the inertia of the picture frame in the conical structure in the prior art are eliminated, so that the change of the mirror surface posture caused by the shaking of the picture frame in the strong vibration environment is effectively avoided.

In some possible embodiments, in order to effectively realize that the restoring force is provided when the X-axis driving mechanism 4 and the Y-axis driving mechanism 5 are driven;

an elastic assembly I8 respectively connected with the spectacle frame 1 and the fixed plate 2 is arranged between the X-axis driving mechanism 4 and the flexible hinge 3; a second elastic component 7 respectively connected with the spectacle frame 1 and the fixed plate 2 is arranged between the Y-axis driving mechanism 5 and the flexible hinge 3;

the X-axis driving mechanism 4, the first elastic component 8 and the flexible hinge 3 are arranged on the same plane along the Y-axis direction, and the Y-axis driving mechanism 5, the second elastic component 7 and the flexible hinge 3 are arranged on the same plane along the X-axis direction.

In some of the possible embodiments, the first and second,

the elastic assembly I8 comprises a tension spring I81 and Y connecting shafts 72 which are arranged at two ends of the tension spring I81 and are arranged along the Y-axis direction;

the second elastic assembly 7 comprises a second tension spring 71 and an X connecting shaft 82 which is arranged at two ends of the first tension spring 81 and arranged along the X-axis direction;

the Y connecting shaft 72 is disposed coaxially with the Y-axis rotating shaft 33, and the X connecting shaft 82 is disposed coaxially with the X-axis rotating shaft 35.

Preferably, mounting grooves for mounting the Y connecting shaft 72 and the X connecting shaft 82 are respectively provided on the mirror frame 1 and the fixed plate 2;

the X connecting shaft 82 and the Y connecting shaft 72 effectively realize the installation of the first tension spring 81 and the second tension spring 71 on one hand, and on the other hand, the X connecting shaft 82 and the X-direction rotating shaft 35 are coaxially arranged because the Y connecting shaft 72 and the Y-direction rotating shaft 33 are coaxially arranged; so that the guiding is further performed with respect to the rotational direction.

Further, the Y connecting shafts 72 and the X connecting shafts 82 are both two groups;

in some possible embodiments, in order to effectively realize that the X-axis driving mechanism 4 controls the lens frame 1 to rotate along the X-axis direction, and the Y-axis driving mechanism 5 controls the lens frame 1 to rotate along the Y-axis direction;

the X-axis driving mechanism 4 and the Y-axis driving mechanism 5 have the same structure;

the X-axis driving mechanism 4 comprises an X abutting block 42 arranged on one side, close to the mirror frame 1, of the fixing plate 2 and an X-direction fine adjustment screw rod driving device arranged on the mirror frame 1 and penetrating through the mirror frame 1 and the X abutting block 42 to abut against each other.

Specifically, the Y-axis driving mechanism 5 includes a Y abutting block 52 mounted on one side of the frame 1 close to the fixed block, and a Y-direction fine adjustment screw driving device mounted on the fixed plate 2 and passing through the fixed plate 2 to abut against the Y abutting block 52.

In some of the possible embodiments, the first and second,

the X-direction fine adjustment screw rod driving device comprises an X-direction motor 411, a first adapter sleeve 413 sleeved on the outer side of an output shaft of the X-direction motor 411, a first coupler 412 sleeved in the first adapter sleeve 413 and connected with the output shaft of the X-direction motor 411, a first screw rod 414 in transmission connection with the first coupler 412, a first transmission nut 415 fixedly connected with the first adapter sleeve 413 and in threaded connection with the first screw rod 414, and a first ball head 416 arranged at one end, far away from the first coupler 412, of the first screw rod 414 and abutted to an X abutting block 42; the first transmission nut 415 is fixedly connected with the lens frame 1.

The Y-direction fine adjustment screw rod driving device comprises a Y-direction motor, a second adapter sleeve sleeved on the outer side of an output shaft of the Y-direction motor, a second coupler sleeved in the second adapter sleeve and connected with the output shaft of the Y-direction motor, a second screw rod in transmission connection with the second coupler, a second transmission nut fixedly connected with the second adapter sleeve and in threaded connection with the second screw rod, and a second ball head installed at one end of the second screw rod, far away from the second coupler, and abutted to the Y abutting block 52; and the second transmission nut is fixedly connected with the fixing plate 2.

Preferably, a first locking nut is arranged at one end of the first transmission nut 415 close to the first ball head 416, a second locking nut is arranged at one end of the second transmission nut close to the second ball head, and the first locking nut locks and positions the first transmission nut 415 and the spectacle frame 1; the second locking nut locks and positions the second transmission nut and the fixing plate 2;

the invention has the advantages that the Z-shaped structural layout design is integrally formed, and the two motor drivers are vertically arranged on the mirror surface in a front-back staggered manner, so that the interference between the longer motor drivers and the mounting surface is avoided.

Preferably, the X-direction motor 411 and the Y-direction motor are both servo motors; the first screw 414 and the second screw are arranged vertically along the Z-axis direction and are mutually perpendicular to the mirror frame 1 and the fixing plate 2, and the first screw 414 and the second screw are precise fine adjustment screws.

When the precise fine adjustment screw rod is used, the rotary motion of the servo motor is converted into the linear motion of the precise fine adjustment screw rod, the pitch of the precise fine adjustment screw rod is not more than 0.25mm, the servo motor drives the precise fine adjustment screw rod to rotate for one circle, the moving distance of the precise fine adjustment screw rod is the pitch size, the servo is controlled in a closed loop mode through a position signal acquired by a high-precision incremental encoder, the resolution of dozens of nanometers of the precise fine adjustment screw rod movement of each pulse is achieved, and the adjustment precision is effectively improved.

In some of the possible embodiments, the first and second,

one side of the first screw rod 414 close to the first coupling 412 is provided with a first screw rod connecting shaft 4141 with a T-shaped cross section, and the small end of the first screw rod is in smooth transition connection with the first screw rod 414; one end of the first coupling 412, which is close to the first screw rod 414, is provided with a U-shaped groove I4121 for slidably mounting a first screw rod connecting shaft 4141; and a first limiting boss 4122 for limiting the first screw rod connecting shaft 4141 to slide out along the long direction of the first screw rod 414 is arranged at the opening of the first U-shaped groove 4121.

Specifically, a second screw rod connecting shaft with a T-shaped cross section is arranged on one side of the second screw rod close to the second coupling, and the small end of the second screw rod connecting shaft is connected with the second screw rod; one end of the second coupling, which is close to the second screw rod, is provided with a second U-shaped groove for slidably mounting a second screw rod connecting shaft; and a second limiting boss 4122 for limiting the second screw rod connecting shaft to slide out along the second screw rod in the length direction is arranged at the opening of the second U-shaped groove.

Preferably, the first screw rod connecting shaft 4141 is of a flat structure and extends into the first U-shaped groove 4121 to be in sliding fit with the first U-shaped groove 4121; the screw rod connecting shaft II is also in a flat structure and extends into the U-shaped groove II to be in sliding fit with the U-shaped groove II;

preferably, the first screw rod connecting shaft 4141 comprises a connecting part and a limiting part, wherein one end of the connecting part is smoothly and transitionally connected with the first screw rod 414 and is in a flat shape, and the limiting part is positioned in the first U-shaped groove 4121; the connecting part penetrates through the limiting boss to be connected with the limiting part in the first U-shaped groove 4121; further, the cross section size of the connecting part is smaller than that of the first screw rod 414; the cross section of the connecting part along the Z-axis direction can be a polygonal structure, such as a triangle, a quadrangle, a pentagon and the like; a cross section of the connecting portion in the Z-axis direction; the purpose of the arrangement is that the connecting part can be effectively driven to rotate under the condition that the coupler 412 rotates, so that the first screw rod 414 can rotate, and the first screw rod 414 is in threaded connection with the first transmission nut 415, and the first transmission nut 415 is fixedly connected with the spectacle frame through the locking nut, so that the first screw rod 414 can make linear motion along the length direction;

it should be noted that the first ball head 416 is a smooth spherical surface, and is in smooth transition fit with the small inside and the large outside of the first screw rod 414 by adopting a connecting part; when the first ball head 416 moves towards one side close to the fixing plate 2 along the length direction of the first screw rod 414; the connecting part is smoothly and transitionally matched with the screw rod I414 in a small inside and large outside to form an arc-shaped upper ramp, so that the connecting part can quickly reach an extreme position and be stopped; when the first ball head 416 retracts to the side of the X-direction motor 411 along the length direction of the first screw rod 414, the connecting part and the first screw rod 414 are in smooth transition fit to form a circular arc-shaped descending ramp, so that the X-direction motor 411 can withdraw from a limit position only by a small driving torque and is not easy to block. The Y-direction fine adjustment screw rod driving device is the same as the Y-direction fine adjustment screw rod driving device, and the detailed description is omitted here.

In some possible embodiments, in order to effectively improve the sensitivity when rotating along the X-axis direction and the Y-axis direction, the device has good rigidity in other directions;

the first switching sleeve 413 is fixedly connected with the X-direction motor 411, the second switching sleeve is fixedly connected with the Y-direction motor, one end, close to the first ball head 416, of the first coupling is provided with a first U-shaped groove 4121, one side, close to the second ball head, of the second coupling is provided with a second U-shaped groove, the first screw rod connecting shaft 4141 and the second screw rod connecting shaft are designed to be of a T-shaped structure and are flat, the first U-shaped groove 4121 or the second U-shaped groove are embedded in a matched mode, the arrangement stroke is large, the stroke of a typical structure screw rod can reach 8mm, and most optical adjustment requirements are met.

One side of the X abutting block 42, which is close to the first ball head 416, is provided with a first V-shaped groove 421; the length direction of the first V-shaped groove 421 is arranged along the Y-axis direction, and the axis of the first V-shaped groove is coaxial with the Y-axis rotating shaft 33.

One side of the V-shaped abutting block, which is close to the first ball head 416, is provided with a V-shaped groove ER; the second V-shaped groove is arranged along the X-axis direction in the long direction, and the axis of the second V-shaped groove is coaxial with the X-axis rotating shaft 35.

Specifically, the X abutting block 42 or the Y abutting block 52 is of a semicircular long strip structure with two ends, a first V-shaped groove 421 or a second V-shaped groove runs through the semicircular long strip structure, the bottom is in circular arc transition, and the groove surface is polished and finished.

It should be noted that:

when the X-axis rotation is carried out, the X-axis motor 411 drives to rotate, so that the first coupling 412 rotates, the first screw rod connecting shaft 4141 which is slidably installed in the first U-shaped groove 4121 slides along the long direction of the first screw rod 414, and the first ball head 416 moves to one side close to the X abutting block 42; at the moment, the axis of the X-direction rotating shaft 35 is coaxial with the axis of the V-shaped groove II, so that the spectacle frame 1 rotates around a rotating shaft formed by the X-direction rotating shaft 35 and the V-shaped groove II, and in the rotating process along the X-axis direction, the elastic component I8 is arranged, so that the contact gap between the screw rod I414 and the transmission nut is effectively eliminated, and the elastic acting force generated by the elastic component is only transmitted to the thread of the screw rod I414; the elastic component can also provide restoring force for the spectacle frame 1 and the fixed plate 2; when the adjustment is performed around the X-axis 35, the X-axis 35 and the Y-axis 33 are orthogonally arranged, so that the influence on the coupling of the Y-axis 33 is small.

Similarly, the principle of the Y-axis rotation is the same as that of the X-axis rotation, and the detailed description thereof is omitted.

The invention adopts the matching of the flexible hinge 3, the V-shaped groove (the V-shaped groove I421 or the V-shaped groove II) and the screw rod structure, has extremely low possibility of lateral movement of the lens frame in a vibration environment, and is more suitable for a large-caliber electrically-adjustable optical lens frame which is more sensitive to vibration.

Preferably, a square hole is formed in the first adapter sleeve 413, so that the first screw rod 414 is driven to rotate by the first manual rotation coupling 412, and a manual adjustment function is realized; the second transfer sleeve is also provided with a square hole, so that the second screw rod is driven to rotate by the second manual rotation coupling, and the manual adjustment function is realized.

Preferably, the eyeglass frame 1 is provided with lens mounting holes, and the mounting holes can be in various shapes, such as round holes, square holes, special-shaped holes and the like;

preferably, the invention also comprises a supporting seat 6 for installing the fixing plate 2, wherein the supporting seat 6 is provided with an inclined surface for installing the fixing plate 2; the two sides of the supporting seat 6 are respectively provided with a motor controller, thereby realizing the adjustment of two-dimensional angles of pitching and azimuth; further, the contained angle on inclined plane and horizontal plane is 45, and fixed plate 2 installs on the inclined plane, and picture frame 1 installs on fixed plate 2 to the contained angle of 45 is personally submitted with the level to the last plane of reflection and the lower plane of reflection of the lens of feasible installing on the picture frame, thereby makes and does not have the structure to shelter from on 45 degrees incident outgoing directions, and the 90 degrees of especially adapted light beam turn over to adjust luminance is used.

The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims (10)

1. The utility model provides an electrically-controlled optical mirror holder which characterized in that, includes the picture frame, with picture frame articulated fixed plate, install on the picture frame and be used for controlling the picture frame along the rotatory X axle actuating mechanism of X axle direction and install on the fixed plate and be used for controlling the picture frame along the rotatory Y axle actuating mechanism of Y axle direction.

2. The electrically tunable optical frame according to claim 1, wherein a flexible hinge is disposed between the frame and the fixed plate, a connection line between the flexible hinge and the X-axis driving mechanism is disposed along the Y-axis direction, and a connection between the flexible hinge and the Y-axis driving mechanism is disposed along the X-axis direction; the flexible hinge is arranged at the corner of the spectacle frame and the fixed plate.

3. The electrically tunable optical frame according to claim 2, wherein the flexible hinge is a cross flexible hinge, and comprises a first connecting column and a second connecting column which are coaxially arranged, and a flexible rotating part which is coaxially arranged between the first connecting column and the second connecting column.

4. The electrically-adjustable optical frame according to claim 3, wherein the flexible rotating portion comprises a first connecting disc, a second connecting disc, a third connecting disc and a third connecting disc, wherein the first connecting disc is sequentially connected with the first connecting column;

one side of the connecting disc III, which is far away from the X-direction rotating shaft, is coaxially connected with the connecting column II; the first connecting column is connected with a connecting disc through a coaxial shaft.

5. An electrically adjustable optical frame according to claim 3, wherein a first elastic component connected to the frame and the fixing plate respectively is disposed between the X-axis driving mechanism and the flexible hinge; a second elastic assembly connected with the mirror frame and the fixed plate respectively is arranged between the Y-axis driving mechanism and the flexible hinge;

the X-axis driving mechanism, the elastic assembly I and the flexible hinge are arranged on the same plane along the Y-axis direction, and the Y-axis driving mechanism, the elastic assembly II and the flexible hinge are arranged on the same plane along the X-axis direction.

6. The electrically adjustable optical frame according to claim 5, wherein the first elastic member comprises a first tension spring and a Y connecting shaft mounted at two ends of the first tension spring and arranged along the Y axis direction;

the elastic assembly II comprises a tension spring II and X connecting shafts which are arranged at two ends of the tension spring I and are arranged along the X-axis direction;

wherein the Y connecting shaft and the Y-direction rotating shaft are coaxially arranged, and the X connecting shaft and the X-direction rotating shaft are coaxially arranged.

7. An electrically tunable optical frame according to claim 1, wherein the X-axis driving mechanism and the Y-axis driving mechanism are identical in structure;

x axle actuating mechanism is including installing X butt piece, the X that just passes picture frame and X butt piece butt on the picture frame to fine setting lead screw drive arrangement that is close to picture frame one side at the fixed plate.

8. The electrically adjustable optical frame according to claim 7, wherein the X-direction fine adjustment screw rod driving device comprises an X-direction motor, a first adapter sleeve sleeved outside an output shaft of the X-direction motor, a first coupler sleeved inside the first adapter sleeve and connected with the output shaft of the X-direction motor, a first screw rod in transmission connection with the coupler, a first transmission nut fixedly connected with the first adapter sleeve and in threaded connection with the first screw rod, and a first ball head installed at one end of the first screw rod, which is far away from the coupler, and abutted against the X abutment block; and the first transmission nut is fixedly connected with the mirror frame.

9. An electrically-adjustable optical mirror frame according to claim 8, wherein a first screw rod connecting shaft with a T-shaped cross section is arranged on one side of the first screw rod close to the first coupler, and the small end of the first screw rod connecting shaft is in smooth transition connection with the first screw rod; one end of the first coupling close to the first screw rod is provided with a first U-shaped groove for slidably mounting a first screw rod connecting shaft; and a first limiting boss for limiting the first screw rod connecting shaft to slide out along the first length direction of the screw rod is arranged at the opening of the first U-shaped groove.

10. An electrically adjustable optical frame according to claim 9, wherein a first V-shaped groove is formed in a side of the first X-abutting block adjacent to the first ball; the long direction of the first V-shaped groove is arranged along the Y-axis direction, and the axis of the first V-shaped groove is coaxial with the Y-axis rotating shaft.

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