CN211348945U

CN211348945U - OIS motor and Tilt OIS anti-shake structure

Info

Publication number: CN211348945U
Application number: CN201922356591.7U
Authority: CN
Inventors: 周济; 卓英吉
Original assignee: New Shicoh Technology Co Ltd
Current assignee: New Shicoh Motor Co Ltd; New Shicoh Technology Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-08-25
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses a OIS motor and Tilt OIS anti-shake structure, its technical scheme main points are: the utility model provides a Tilt OIS anti-shake structure, includes the shell, sets up in the camera lens clamping device of shell inner chamber, shell inner wall equipartition has a plurality of magnetite, camera lens clamping device lateral wall equipartition has a plurality of coils that correspond with the magnetite, is located the coil winding direction of the same lateral wall of camera lens clamping device is unanimous, and the coil winding direction that is located the relative both sides wall of camera lens clamping device is reverse setting, set up the moving mechanism who makes things convenient for camera lens clamping device activity between shell and the camera lens clamping device. The utility model discloses reach and realize X, Y epaxial Shitf anti-shake and Tilt anti-shake simultaneously.

Description

OIS motor and Tilt OIS anti-shake structure

Technical Field

The utility model relates to a voice coil motor field especially involves a OIS motor and Tilt OIS anti-shake structure.

Background

With the increasing popularization of smart phones, people have higher and higher technical requirements on photographing of smart phones, and the photographing effect of the smart phones can be expected to reach the level of digital cameras. Digital cameras are capable of optical anti-shake (OIS) and panning because they have relatively complex mechanical structures to control the multi-dimensional movement of the lens.

In order to improve the photographing capability of the camera based on the hardware and software of the mobile phone, manufacturers of smart phones are also the subject of research and development, and TDK manufacturers and mitumid manufacturers can produce motors with OIS functions in the market at present. The existing motor with OIS function mostly adopts a Tilt OIS structure, the Tilt OIS structure mostly guides two shafts OIS along an X shaft and a Y shaft, and the O anti-shaking axial direction is single, so that Shitf anti-shaking and Tilt anti-shaking on the X shaft and the Y shaft are difficult to realize.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a OIS motor and Tilt OIS anti-shake structure reaches and realizes X, Y epaxial Shitf anti-shake and Tilt anti-shake simultaneously.

The above technical purpose of the utility model is realized through following technical scheme: a Tilt OIS anti-shake structure comprises a shell and a lens clamping device arranged in the inner cavity of the shell, wherein a plurality of magnets are uniformly distributed on the inner wall of the shell, a plurality of coils corresponding to the magnets are uniformly distributed on the side wall of the lens clamping device, the winding directions of the coils on the same side wall of the lens clamping device are consistent, the winding directions of the coils on the two opposite side walls of the lens clamping device are reversely arranged, and a moving mechanism facilitating the movement of the lens clamping device is arranged between the shell and the lens clamping device;

the movable mechanism comprises a first support arranged on the inner wall of the shell, a second support arranged on the side wall of the lens clamping device, an intermediate support arranged between the first support and the second support, at least two first balls arranged between the first support and the intermediate support and used for facilitating translation or overturning of the intermediate support, and at least two second balls arranged between the second support and the intermediate support, wherein the arrangement direction of the first balls is perpendicular to the arrangement direction of the second balls.

The utility model discloses a further set up to: each side wall of the lens clamping device is provided with two coils, and the two coils on the same side wall of the lens clamping device are horizontally arranged and are symmetrical relative to the center of the lens clamping device.

The utility model discloses a further set up to: the magnetite sets up to eight and divides and locate both sides about first support, every the coil orientation corresponds two and divides the magnetite of locating both sides about first support.

The utility model discloses a further set up to: the first support, the second support and the middle support are all provided with accommodating grooves for the movement of the corresponding first balls or the second balls.

The utility model discloses a further set up to: the square perpendicular to camera lens clamping device of holding tank length corresponds the lateral wall, just the holding tank cross-section is the arc setting.

The utility model discloses a further set up to: the utility model provides a lens clamping device moving mechanism in OIS motor, including set up in the first support of shell inner wall, set up in the second support of lens clamping device lateral wall, set up in intermediate support between the first support second support, at least two set up in make things convenient for the first ball of intermediate support translation or upset between first support and the intermediate support, at least two set up in the second ball between second support and the intermediate support, first ball range orientation perpendicular to second ball range orientation.

The utility model discloses a further set up to: an OIS motor adopts the Tilt OIS anti-shake structure.

To sum up, the utility model discloses following beneficial effect has:

tilt anti-shake driving principle does: the magnets and the corresponding coils are arranged in a staggered mode, when the lens clamping seat is turned over, the coils on the two sides of the lens clamping device are wound in different squares, so that the magnetic field directions of the coils on the two sides of the lens clamping device are different, and opposite acting force is generated after the coils act on the corresponding magnets, so that the action of angle change is completed, and the Tilt anti-shaking function is realized;

the Shift anti-shake driving principle is as follows: the winding directions of the two coils on the same side of the lens clamping device are in the same direction, when the coils are electrified and act with the corresponding magnets, the coils generate horizontal acting force in the same direction, and the acting force pushes the lens clamping device to move, so that the movable seat with displacement change is completed;

through first support, second support, middle support and first ball, second ball, realize the multi-direction upset activity of camera lens clamping device, improve camera lens clamping device Tilt anti-shake drive performance, the camera lens clamping device of being convenient for simultaneously has the shell displacement relatively, improves Shift anti-shake drive performance.

Drawings

FIG. 1 is a sectional view of embodiment 1;

FIG. 2 is a schematic illustration of embodiment 1 with the outer shell removed;

fig. 3 is a schematic view of the moving mechanism of embodiments 1 and 2.

The corresponding part names indicated by the numbers in the figures: 1. a housing; 2. a lens holding device; 3. a magnet; 4. a coil; 5. a first bracket; 6. a second bracket; 7. a middle support; 8. a first ball bearing; 9. A second ball bearing; 10. and (6) accommodating the tank.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.

Example 1: as shown in fig. 1 to 3, the utility model provides a Tilt OIS anti-shake structure, including shell 1, set up in the camera lens clamping device 2 of 1 inner chamber of shell (for prior art, not repeated here), casing and camera lens clamping device 2 all are squarely. A plurality of magnets 3 are uniformly distributed on the inner wall of the shell 1, a plurality of coils 4 corresponding to the magnets 3 are uniformly distributed on the side wall of the lens clamping device 2, the winding directions of the coils 4 on the same side wall of the lens clamping device 2 are consistent, the winding directions of the coils 4 on the two opposite side walls of the lens clamping device 2 are reversely arranged, and a moving mechanism facilitating the movement of the lens clamping device 2 is arranged between the shell 1 and the lens clamping device 2.

Wherein the movable mechanism includes the first support 5 that sets up in the 1 inner wall of shell, set up in the second support 6 of 2 lateral walls of camera lens clamping device, set up the intermediate support 7 between first support 5 and second support 6, at least two set up make things convenient for the first ball 8 of intermediate support 7 translation or upset between first support 5 and intermediate support 7, at least two set up the second ball 9 between second support 6 and intermediate support 7, first ball 8 in this embodiment, second ball 9 all chooses for use two, and two first balls 8 and two equal symmetries of second ball 9 set up in camera lens clamping device 2 both sides, the direction of arrangement of first ball 8 perpendicular to second ball 9 direction of arrangement. The intermediate bracket 7 is connected to the first bracket 5 and the second bracket 6 only by the first ball 8 and the second ball 9.

In this embodiment, it is further configured that each sidewall of the lens holding device 2 is provided with two coils 4, and the two coils 4 on the same sidewall of the lens holding device 2 are horizontally arranged and are centrosymmetric with respect to the lens holding device 2. The magnetite 3 sets up to eight and divides and locate first support 5 upper and lower both sides, and every coil 4 orientation corresponds two and divides the magnetite 3 of locating first support 5 upper and lower both sides, and first support 5 is located coil 4 central point promptly.

Further setting up in this embodiment, first support 5, second support 6 and intermediate support 7 all offer the holding tank 10 that supplies to correspond first ball 8 or the activity of second ball 9, the square perpendicular to camera lens clamping device 2 of holding tank 10 length corresponds the lateral wall, and the holding tank 10 cross-section is the arc setting, and first ball 8 is located first support 5, the holding tank 10 that intermediate support 7 corresponds promptly, and second ball 9 is located second support 6, the holding tank 10 that intermediate support 7 corresponds.

When the machine works, the Tilt anti-shaking driving principle is as follows: the magnets 3 and the corresponding coils 4 are arranged in a staggered mode, when the lens clamping seat is turned over, the coils 4 on the two sides of the lens clamping device 2 are wound in different square shapes, so that the magnetic field directions of the coils 4 on the two sides of the lens clamping device 2 are different, and opposite acting force is generated after the coils act on the corresponding magnets 3, so that the action of angle change is completed, and the Tilt anti-shaking function is realized; the Shift anti-shake driving principle is as follows: the winding directions of the two coils 4 on the same side of the lens clamping device 2 are in the same direction, when the coils 4 are electrified and act with the corresponding magnets 3, the coils generate the same-direction horizontal acting force, and the acting force pushes the lens clamping device 2 to move, so that the moving seat with displacement change is completed; and through first support 5, second support 6, middle support 7 and first ball 8, second ball 9, realize the multi-direction upset activity of lens clamping device 2, improve lens clamping device 2 tip anti-shake drive performance, the relative shell 1 displacement that has of lens clamping device 2 of being convenient for simultaneously improves Shift anti-shake drive performance.

Example 2: a movable mechanism of a lens clamping device 2 in an OIS motor is shown in figure 3 and comprises a first support 5 arranged on the inner wall of a shell 1, a second support 6 arranged on the side wall of the lens clamping device 2, a middle support 7 arranged between the first support 5 and the second support 6, at least two first balls 8 arranged between the first support 5 and the middle support 7 and facilitating translation or overturning of the middle support 7, and at least two second balls 9 arranged between the second support 6 and the middle support 7, wherein the arrangement direction of the first balls 8 is perpendicular to the arrangement direction of the second balls 9.

Through first support 5, second support 6, middle support 7 and first ball 8, second ball 9, realize 2 multi-angle rotations of camera lens clamping device, realize simultaneously that 2 displacements of camera lens clamping device change, improve tip anti-shake drive and Shift anti-shake drive performance.

Example 3: an OIS motor utilizes the Tilt OIS anti-shake structure of example 1. The OIS motor realizes Tilt anti-shaking and Shift anti-shaking on X-axis and Y-axis shafts.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a Tilt OIS anti-shake structure, includes shell (1), sets up in camera lens clamping device (2) of shell (1) inner chamber, its characterized in that: a plurality of magnets (3) are uniformly distributed on the inner wall of the shell (1), a plurality of coils (4) corresponding to the magnets (3) are uniformly distributed on the side wall of the lens clamping device (2), the winding directions of the coils (4) on the same side wall of the lens clamping device (2) are consistent, the winding directions of the coils (4) on the two opposite side walls of the lens clamping device (2) are reversely arranged, and a moving mechanism facilitating the movement of the lens clamping device (2) is arranged between the shell (1) and the lens clamping device (2);

the movable mechanism comprises a first support (5) arranged on the inner wall of the shell (1), a second support (6) arranged on the side wall of the lens clamping device (2), an intermediate support (7) arranged between the first support (5) and the second support (6), at least two first balls (8) arranged between the first support (5) and the intermediate support (7) and used for facilitating translation or overturning of the intermediate support (7), and at least two second balls (9) arranged between the second support (6) and the intermediate support (7), wherein the arrangement direction of the first balls (8) is perpendicular to the arrangement direction of the second balls (9).

2. The Tilt OIS anti-shake structure defined in claim 1 further comprising: every lateral wall of camera lens clamping device (2) all sets up two coils (4), two coils (4) of the same lateral wall of camera lens clamping device (2) are horizontal arrangement and for camera lens clamping device (2) central symmetry.

3. The Tilt OIS anti-shake structure defined in claim 2 further comprising: the magnets (3) are arranged on the upper side and the lower side of the first support (5) in eight directions, and each coil (4) corresponds to two magnets (3) which are arranged on the upper side and the lower side of the first support (5) in two directions.

4. The Tilt OIS anti-shake structure defined in claim 1 further comprising: the first support (5), the second support (6) and the middle support (7) are all provided with accommodating grooves (10) for the movement of the corresponding first balls (8) or the second balls (9).

5. The Tilt OIS anti-shake structure defined in claim 4 further comprising: the square vertical lens clamping device (2) of holding tank (10) length corresponds the lateral wall, just holding tank (10) cross-section is the arc setting.

6. An OIS motor, comprising: the Tilt OIS anti-shake structure as claimed in any one of claims 1 to 5 is adopted.