CN218920220U

CN218920220U - Anti-shake motor with novel planar spring plate structure

Info

Publication number: CN218920220U
Application number: CN202221842156.0U
Authority: CN
Inventors: 庄龙强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2023-04-25
Anticipated expiration: 2032-07-18

Abstract

The utility model provides an anti-shake motor with a novel planar spring plate structure, which comprises a shell, a moving assembly, an OIS coil and a base, wherein the shell, the moving assembly, the OIS coil and the base are sequentially arranged from top to bottom; the moving assembly comprises an AF upper spring, an AF lower spring, an AF coil, a carrier, a magnet support, a magnet group, a first elastic sheet group and a second elastic sheet group; the first elastic sheet group comprises a first elastic sheet unit, one end of the first elastic sheet unit is fixed on the upper surface of the magnet support, and the other end of the first elastic sheet unit is fixed on the inner side of the shell or the base; the second elastic sheet group comprises a second elastic sheet unit, one end of the second elastic sheet unit is fixed on the lower surface of the magnet support, and the other end of the second elastic sheet unit is fixed on the base; the first elastic sheet group is matched with the second elastic sheet group to enable the moving assembly to form a hanging platform. The anti-shake Ma Daju with the novel planar spring plate structure has the beneficial effects of simple and quick preparation process, stable structure and low overall cost.

Description

Anti-shake motor with novel planar spring plate structure

Technical Field

The utility model relates to the technical field of anti-shake motors, in particular to an anti-shake motor with a novel planar spring plate structure.

Background

The spring plate structures used by the prior anti-shake motors are all of a bending integrated structure, and the anti-shake motor adopting the structure has the following defects:

(1) Structurally, it is: the anti-shake motor belongs to small-size precise components, and the bent integrally formed spring structure is provided with a vertical surface and a horizontal surface, so that the bending degree between the vertical surface and the horizontal surface is easily changed after one-time use due to the movement on an X/Y axis in the use process of the anti-shake motor, thereby affecting the integral anti-shake performance and being easy to damage; on the other hand, the bending structure has rebound phenomenon, so that the bending stability is finally affected;

(2) The process is as follows: the bending process is difficult to mold, the surface of the elastic sheet is easy to be damaged seriously in the molding process, the process yield is low, and the mass production degree is poor;

(3) Material is as follows: because the Young modulus and rigidity of the spring material are large, and the anti-shake motor belongs to small-size precise components, the anti-shake motor is not suitable for bending at a small R angle, the material loss after bending and molding is serious, and the whole service life is low.

In view of this, the present inventors have invented an anti-shake motor with a novel planar spring structure and a driving device thereof, which have simple and rapid process, stable structure and low overall cost.

Disclosure of Invention

The utility model aims to provide an anti-shake motor with a novel planar spring plate structure, which has the advantages of simple and quick manufacturing process, stable structure and low overall cost.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an anti-shake motor with a novel planar spring plate structure comprises a shell, a moving assembly, an OI S coil and a base which are sequentially arranged from top to bottom; the moving assembly comprises an AF upper spring, an AF lower spring, an AF coil, a carrier, a magnet support, a magnet group, a first elastic sheet group and a second elastic sheet group; the first elastic sheet group comprises a plurality of first elastic sheet units which are in a plane shape, one end of each first elastic sheet unit is fixed on the upper surface of the magnet support, and the other end of each first elastic sheet unit is fixed on the inner side of the shell or the base; the second elastic sheet group comprises a plurality of second elastic sheet units which are planar, one end of each second elastic sheet unit is fixed on the lower surface of the magnet support, and the other end of each second elastic sheet unit is fixed on the base; the first elastic sheet group is matched with the second elastic sheet group to enable the moving assembly to form a hanging platform, and horizontal movement in the X/Y axis direction is achieved under the action of the O I S coil and the magnet group.

As a further improvement, the first elastic sheet unit comprises a first movable end and a first fixed end which are connected, wherein the first fixed end is fixed on the inner side of the shell or the base, and the first movable end is in a spiral shape or a folded shape.

As a further improvement, the first moving end is spiral, a first fixing hole is formed in the middle of the first moving end, and a first fixing column matched with the first fixing hole is arranged on the magnet support.

As a further improvement, the first moving end is in a folded line shape formed by a plurality of sections of T-shaped elastic sheets, and the first moving end is connected with the AF upper spring to fix the magnet support.

As a further improvement, the second elastic sheet unit comprises a second movable end and a second fixed end which are connected, wherein the second fixed end is fixed on the base, and the second movable end is in a spiral shape or a fold line shape.

As a further improvement, the second moving end is spiral, a second fixing hole is formed in the middle of the second moving end, and a second fixing column matched with the second fixing hole is arranged on the magnet support.

As a further improvement, the second moving end is in a folded line shape formed by a plurality of sections of T-shaped elastic sheets, and the second moving end is connected with the AF lower spring to fix the magnet support.

As a further improvement, a mounting surface recessed from outside to inside is provided on the housing for fixing one end of the first spring plate unit.

As a further improvement, a boss for fixing one end of the first elastic sheet unit or one end of the second elastic sheet unit is arranged on the base.

The base is provided with a plurality of balls, the base is provided with first limit guide grooves which are in one-to-one correspondence with the balls and extend along the X axis or the Y axis, the lower surface of the magnet support is provided with second limit guide grooves which are in one-to-one correspondence with the balls and extend along the X axis or the Y axis, and the extending directions of the first limit guide grooves and the second limit guide grooves are different.

Compared with the prior art, the utility model has the beneficial effects that:

1. the anti-shake motor with the novel planar spring plate structure integrally uses the structure of the upper and lower planar spring plates in the anti-shake motor to enable the movable assembly to form a suspension platform, and the arrangement mode that the first spring plate group and the second spring plate group are respectively parallel to the upper surface and the lower surface of the magnet support also enables the whole translation on the X/Y axis to be more stable and smooth, and solves the technical problems that the bending degree between the vertical surface and the horizontal surface is easy to change after the spring structure is used for one time due to the vertical surface and the horizontal surface of the traditional integrally bent spring structure, so that the integral anti-shake performance is affected and the integral anti-shake motor is easy to damage.

2. Compared with the traditional integral bending spring plate structure, the planar spring plate structure formed by combining the AF spring and the planar spring plate group has the advantages that on one hand, the manufacturing process is simple and quick, the mass production performance is good, on the other hand, the planar spring plate structure formed by the two spring plate groups has small difference from the design structure, the product performance is stable, the reliability experiment performance is good, and the surface of the spring is perfect and is not easy to oxidize and rust; meanwhile, as the elastic sheet group adopts a planar structure, the utilization rate of the whole material is high, and the difference between the elastic sheet group and the conventional AF planar spring is not great, so that the material is saved.

3. According to the anti-shake motor with the novel planar spring plate structure, the limiting guide grooves in two directions are matched through the balls, so that the anti-shake motor can effectively support the moving platform to realize the anti-shake function of translation more stably and smoothly, and the anti-shake motor is ingenious in matched design and easy to operate in function with the planar spring plate structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an anti-shake motor with a novel planar spring structure according to the present utility model;

FIG. 2 is an exploded view of an anti-shake motor with a novel planar spring structure showing a first spring unit according to the present utility model;

FIG. 3 is an exploded view of an anti-shake motor with a novel planar spring structure showing a second spring unit according to the present utility model;

fig. 4 is an enlarged schematic view of the first spring unit shown in fig. 2;

fig. 5 is an enlarged schematic view of the second spring unit shown in fig. 2;

fig. 6 is an exploded view of a spiral structure of a second spring unit in an anti-shake motor with a novel planar spring structure according to the present utility model.

Description of the main reference signs

10. A housing; 11. a mounting surface;

20. a moving assembly;

21. AF upper springs; 22. an AF lower spring; 23. an AF coil; 24. a carrier; 25. a magnet holder; 251. the second limit guide groove; 26. a magnet group; 27. a first elastic sheet group; 271. a first mobile terminal; 272. a first fixed end; 28. the second elastic sheet group; 281. a second mobile terminal; 282. a second fixed end;

30. an O I S coil;

40. a base; 41. a boss; 42. the first limit guide groove;

50. and (3) rolling balls.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, an anti-shake motor with a novel planar spring structure includes a housing 10, a moving assembly 20, an OIs coil 30 and a base 40, which are sequentially arranged from top to bottom; the moving assembly 20 includes an AF upper spring 21, an AF lower spring 22, an AF coil 23, a carrier 24, a magnet support 25, a magnet set 26, a first spring set 27 and a second spring set 28, wherein the first spring set 27 and the second spring set 28 are made of alloy materials such as C1990-GSH and BF158; the first elastic sheet set 27 includes a plurality of first elastic sheet units in a plane shape, one end of each first elastic sheet unit is fixed on the upper surface of the magnet support 25, and the other end is fixed on the inner side of the housing 10 or the base 40; the second spring plate set 28 includes a plurality of planar second spring plate units, one end of each second spring plate unit is fixed to the lower surface of the magnet support 25, and the other end is fixed to the base 40; the first spring plate set 27 cooperates with the second spring plate set 28 to form a suspension platform for the moving assembly 20, and horizontal movement in the X/Y axis direction is achieved under the action of the os coil 30 and the magnet set 26.

The structure of two-layer plane shell fragment about wholly having used in anti-shake motor makes its movable assembly 20 form a suspension platform, its first shell fragment group 27 and second shell fragment group 28 respectively with the upper and lower surface parallel and level's of magnetite support 25 setting up mode, also make its whole translation on the X/Y axle more stable smooth and easy, overcome traditional integrated into one piece's that bends spring structure and lead to the bending degree between vertical face and the horizontal plane to change easily after having the use time that vertical face and horizontal plane caused to influence holistic anti-shake performance and easy technical problem who damages.

Meanwhile, compared with the traditional integrated bending spring plate structure, the planar spring plate structure formed by combining the AF spring and the planar spring plate group has the advantages that on one hand, the manufacturing process is simple and quick, the mass production performance is good, on the other hand, the difference between the planar spring plate structure formed by the two spring plate groups and the design structure is small, the product performance is stable, the reliability experiment performance is good, and the surface of the spring is perfect and is not easy to oxidize and rust; meanwhile, due to the structure of plane splicing, the utilization rate of the whole material is high, and the difference between the whole material and the conventional AF plane spring is not great, so that the material is saved.

Referring to fig. 2, 4 and 6, the first spring unit includes a first moving end 271 and a first fixed end 272 that are connected, the first fixed end 272 is fixed on the inner side (as shown in fig. 2) of the housing 10 or the base 40 (as shown in fig. 6), and the first moving end 271 is in a spiral shape or a folded shape. The first dome unit is movably coupled to the upper portion of the moving assembly 20 by the engagement of the base 40 or the housing 10.

Further, referring to fig. 2 and 4, the first moving end 271 is spiral, a first fixing hole is formed in the middle of the first moving end 271, and a first fixing column adapted to the first fixing hole is disposed on the magnet support 25. The spiral structure can effectively ensure the overall strength, has certain flexibility and ensures the compactness of the overall structure so as to realize the movement on the X/Y axis.

Further, the first moving end 271 is a folded line (not shown in the figure) formed by a plurality of sections of several-shaped spring pieces, and the first moving end 271 is connected with the AF upper spring 21 to fix the magnet holder 25. The integral strength can be increased through the multi-section elastic sheet through the fold line-shaped structure, and meanwhile, certain flexibility and compactness of the volume are guaranteed through reasonable plane bending angles, so that the design is ingenious.

In the same way, referring to fig. 2 and 5, the second spring unit includes a second moving end 281 and a second fixed end 282 that are connected, the second fixed end 282 is fixed on the base 40, and the second moving end 281 is in a spiral shape or a fold line shape. The second spring unit is movably connected with the lower part of the moving assembly 20 through the cooperation of the base 40, and then the moving assembly 20 forms a hanging platform through cooperation of the first spring unit.

Further, the second moving end 281 is in a folded line shape formed by a plurality of sections of several-shaped elastic pieces, and the second moving end 281 is connected with the AF lower spring 22 to fix the magnet holder 25. The integral strength can be increased through the multi-section elastic sheet through the fold line-shaped structure, and meanwhile, certain flexibility and compactness of the volume are guaranteed through reasonable plane bending angles, so that the design is ingenious.

Referring to fig. 6, in another embodiment, the second spring unit is in a spiral shape, that is, the second moving end 281 is in a spiral shape, a second fixing hole is formed in the middle of the second moving end 281, and a second fixing column adapted to the second fixing hole is disposed on the magnet support 25. The spiral structure can effectively ensure the overall strength, has certain flexibility and ensures the compactness of the overall structure so as to realize the movement on the X/Y axis.

Referring to fig. 1 and 2, the housing 10 is provided with a mounting surface 11 recessed from outside to inside for fixing one end of the first spring unit. The installation through the installation face 11 is used for the quick location first shell fragment unit on the one hand and waits fixed position, on the other hand also can match the planar structure of first shell fragment unit, makes its whole more stable firm.

Referring to fig. 6, the base 40 is provided with a boss 41 for fixing one end of the first spring unit or one end of the second spring unit. When the height of the boss 41 is higher, the fixing device can be used for fixing one end of the first elastic sheet unit, at this time, two bosses 41 are arranged on the base 40, and the other boss 41 is lower in height and used for fixing the second elastic sheet unit.

Referring to fig. 2 and 3, the base 40 further includes a plurality of balls 50, a first limiting guide groove 42 corresponding to the balls 50 one by one and extending along the X-axis or the Y-axis is formed on the base, a second limiting guide groove 251 corresponding to the balls 50 one by one and extending along the X-axis or the Y-axis is formed on the lower surface of the magnet support 25, and extending directions of the first limiting guide groove 42 and the second limiting guide groove 251 are different. Through the spacing guide way in two directions of ball 50 cooperation, can effectively support moving platform more steady smooth ground realize the anti-shake effect of translation, effectively overcome traditional shell fragment structure and design benefit with planar shell fragment structure's cooperation, the function is easy because the poor problem of posture that other parts and camera lens dead weight arouse.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An anti-shake motor with a novel planar spring plate structure is characterized in that: comprises a shell (10), a moving assembly (20), an OIS coil (30) and a base (40) which are sequentially arranged from top to bottom; the moving assembly (20) comprises an AF upper spring (21), an AF lower spring (22), an AF coil (23), a carrier (24), a magnet support (25), a magnet group (26), a first elastic sheet group (27) and a second elastic sheet group (28); the first elastic sheet group (27) comprises a plurality of first elastic sheet units which are in a plane shape, one end of each first elastic sheet unit is fixed on the upper surface of the magnet support (25), and the other end of each first elastic sheet unit is fixed on the inner side of the shell (10) or the base (40); the second elastic sheet group (28) comprises a plurality of second elastic sheet units which are in a plane shape, one end of each second elastic sheet unit is fixed on the lower surface of the magnet support (25), and the other end of each second elastic sheet unit is fixed on the base (40); the first elastic sheet group (27) is matched with the second elastic sheet group (28) to enable the moving assembly (20) to form a hanging platform, and horizontal movement in the X/Y axis direction is achieved under the action of the OIS coil (30) and the magnet group (26).

2. The anti-shake motor with a novel planar spring structure according to claim 1, wherein: the first elastic sheet unit comprises a first movable end (271) and a first fixed end (272) which are connected, the first fixed end (272) is fixed on the inner side of the shell (10) or the base (40), and the first movable end (271) is in a spiral shape or a folded line shape.

3. The anti-shake motor with a novel planar spring structure according to claim 2, wherein: the first moving end (271) is spiral, a first fixing hole is formed in the middle of the first moving end (271), and a first fixing column matched with the first fixing hole is arranged on the magnet support (25).

4. The anti-shake motor with a novel planar spring structure according to claim 2, wherein: the first moving end (271) is in a folded line shape formed by a plurality of sections of square-shaped elastic sheets, and the first moving end (271) is connected with the AF upper spring (21) to fix the magnet support (25).

5. The anti-shake motor with a novel planar spring structure according to claim 1, wherein: the second elastic sheet unit comprises a second movable end (281) and a second fixed end (282) which are connected, the second fixed end (282) is fixed on the base (40), and the second movable end (281) is in a spiral shape or a fold line shape.

6. The anti-shake motor with a novel planar spring structure according to claim 5, wherein: the second moving end (281) is spiral, a second fixing hole is formed in the middle of the second moving end (281), and a second fixing column matched with the second fixing hole is arranged on the magnet support (25).

7. The anti-shake motor with a novel planar spring structure according to claim 5, wherein: the second moving end (281) is in a folded line shape formed by a plurality of sections of square-shaped elastic sheets, and the second moving end (281) is connected with the AF lower spring (22) to fix the magnet support (25).

8. The anti-shake motor with a novel planar spring structure according to any one of claims 1 to 7, characterized in that: the shell (10) is provided with a mounting surface (11) which is recessed from outside to inside and is used for fixing one end of the first elastic sheet unit.

9. The anti-shake motor with a novel planar spring structure according to any one of claims 1 to 7, characterized in that: the base (40) is provided with a boss (41) for fixing one end of the first elastic sheet unit or one end of the second elastic sheet unit.

10. The anti-shake motor with a novel planar spring structure according to any one of claims 1 to 7, characterized in that: the magnetic force sensor is characterized by further comprising a plurality of balls (50), wherein first limit guide grooves (42) which are in one-to-one correspondence with the balls (50) and extend along an X axis or a Y axis are formed in the base (40), second limit guide grooves (251) which are in one-to-one correspondence with the balls (50) and extend along the X axis or the Y axis are formed in the lower surface of the magnet support (25), and the extending directions of the first limit guide grooves (42) and the second limit guide grooves (251) are different.