CN219247601U

CN219247601U - Novel anti-shake motor of formula is inhaled to magnetism

Info

Publication number: CN219247601U
Application number: CN202222791881.6U
Authority: CN
Inventors: 庄龙强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-06-23
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a magnetic novel anti-shake motor, which comprises a shell, a moving assembly, a magnetic suspension mechanism, an OIS coil set and a base, wherein the shell, the moving assembly, the magnetic suspension mechanism, the OIS coil set and the base are sequentially arranged from top to bottom; the magnetic suspension mechanism comprises a magnetic part and a magnetically permeable part, the magnet support is provided with a first limit structure, the base is provided with a second limit structure corresponding to the first limit structure, a sphere magnetic attraction return middle area is formed in a space between the first limit structure and the second limit structure, the magnetic part and the magnetically permeable part are randomly arranged at least two parts in the first limit structure, the second limit structure and the sphere magnetic attraction return middle area, and the magnetic part or the magnetically permeable part located in the sphere magnetic attraction return middle area is spherical and can horizontally roll to return to the center position. The novel magnetic anti-shake motor has the beneficial effects of ingenious structural design, capability of effectively controlling gesture difference, high response speed and good performance consistency.

Description

Novel anti-shake motor of formula is inhaled to magnetism

Technical Field

The utility model relates to the technical field of anti-shake motors, in particular to a novel magnetic anti-shake motor.

Background

The VCM anti-shake motor changes the camera of the smart phone from fixed focus to automatic focusing, and simultaneously gives the anti-shake function to the small or micro camera, and the biggest effect is that the camera can automatically focus and also can provide motion compensation.

In order to solve the problem of mobile phone photographing blurring and improve the image stability of photographing and video recording, the technology of an anti-shake motor is continuously developed. In the existing anti-shake motor, the movement on the X axis/Y axis is usually generated by combining the conduction of the OIS anti-shake coil with the anti-shake spring so as to realize the plane anti-shake effect.

However, the existing anti-shake motor still cannot offset the gesture difference generated by inclination in the OIS movement direction, wherein the string-type anti-shake motor and the spring-type anti-shake motor cannot generate inclination with an excessive angle due to the rigidity of the elastic structures of the planes of the string-type anti-shake motor and the spring-type anti-shake motor, and have larger gesture difference.

In view of the above, the inventor of the present application has invented a novel magnetic anti-shake motor with smart structural design, fast response speed, good performance consistency and capability of effectively controlling the gesture difference.

Disclosure of Invention

The utility model aims to provide a novel magnetic anti-shake motor which is ingenious in structural design and can effectively control the gesture difference.

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

a novel magnetic anti-shake motor comprises a shell, a moving assembly, a magnetic suspension mechanism, an OIS coil assembly and a base which are sequentially arranged from top to bottom; the magnetic suspension mechanism comprises a magnetic part and a magnetically permeable part, the magnet support is provided with a first limit structure, the base is provided with a second limit structure corresponding to the first limit structure, a sphere magnetic attraction return middle area is formed in a space between the first limit structure and the second limit structure, the magnetic part and the magnetically permeable part are randomly arranged at least two parts in the first limit structure, the second limit structure and the sphere magnetic attraction return middle area, and the magnetic part or the magnetically permeable part located in the sphere magnetic attraction return middle area is spherical and can horizontally roll to return to the center position.

As a further improvement, the first limiting structure is a limiting groove formed in the lower surface of the magnet support, the second limiting structure is a limiting groove formed in the upper surface of the base, and the two magnetic pieces are respectively and limitedly fixed in the first limiting structure and the second limiting structure.

As a further improvement, the first limiting structure is a limiting groove formed in the lower surface of the magnet support, the second limiting structure is a limiting groove formed in the upper surface of the base, and the two magnetically permeable pieces are respectively and limitedly fixed in the first limiting structure and the second limiting structure.

As a further improvement, the first limiting structure is a limiting groove formed in the lower surface of the magnet support, the second limiting structure is a limiting groove formed in the upper surface of the base, and the two magnetically permeable pieces are respectively fixed in the first limiting structure or the second limiting structure in a limiting manner and are arranged in the magnetic attraction return middle area of the ball body.

As a further improvement, the number of the magnetic suspension mechanisms is four, and the magnetic suspension mechanisms are respectively positioned at four corners of the base.

As a further improvement, the shapes of the first limit structure and the second limit structure are round grooves or square grooves or trapezoid grooves or regular polygon grooves.

As a further improvement, the magnetic piece is a magnetic block or a magnetic ball; the magnetic conductive piece is a steel sheet or a steel ball.

As a further improvement, the moving assembly further comprises an upper focusing spring, lower focusing springs, focusing coils, a carrier and a magnet group, wherein the number of the lower focusing springs is four, and each lower focusing spring is further extended with a string wire connected with the base.

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

1. according to the novel anti-shake motor with the magnetic attraction type, the structure of the magnetic attraction type suspension mechanism is designed, when a magnetic part is magnetized in the vertical direction, a magnetic induction line is concentrated in the middle, so that spheres in a magnetic field can be attracted to the central position with the denser magnetic induction line, when a plurality of spheres move to the central position simultaneously, the whole moving assembly is restored to a horizontal state, namely the gesture difference of the anti-shake motor is completely counteracted, rolling friction is generated by the whole structure, the initial position of the spheres is consistent with the position after moving, the response speed is high, the consistency of the moving performance is good, and the moving process is not easy to block.

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 explosion structure of a display top of a magnetic novel anti-shake motor according to the utility model;

FIG. 2 is a schematic diagram of an explosion structure of a display bottom of a magnetic novel anti-shake motor according to the utility model;

FIG. 3 is a schematic diagram of a magnetic novel anti-shake motor according to the present utility model;

FIG. 4 is a schematic diagram of a magnetic anti-shake motor according to the present utility model showing the connection of the in-focus springs;

fig. 5 is a schematic diagram showing the distribution of magnetic induction lines after magnetizing the magnet.

Description of the main reference signs

10. A housing; 20. a moving assembly; 21. focusing an upper spring; 22. a lower focusing spring; 221. string wires; 23. a focusing coil; 24. a carrier; 25. a magnet group; 26. a magnet holder; 261. a first limit structure; 30. a magnetic suspension mechanism; 31. a magnetic member; 32. a magnetically permeable member; 40. OIS coil sets; 50. a base; 51. and the second limiting structure.

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.

Example 1

Referring to fig. 1 to 3, a magnetic novel anti-shake motor includes a housing 10, a moving assembly 20, a magnetic suspension mechanism 30, OIS coil assembly 40 and a base 50, which are sequentially arranged from top to bottom; the magnetic suspension mechanism 30 includes a magnetic member 31 and a magnetically permeable member 32, the magnet support 26 is provided with a first limit structure 261, the base 50 is just corresponding to the position of the first limit structure 261 and is provided with a second limit structure 51, and a space between the first limit structure 261 and the second limit structure 51 forms a sphere magnetic attraction back middle area, the magnetic member 31 and the magnetically permeable member 32 are arbitrarily arranged at least two positions in the first limit structure 261, the second limit structure 51 and the sphere magnetic attraction back middle area, and the magnetic member 31 or the magnetically permeable member 32 in the sphere magnetic attraction back middle area is spherical and can horizontally roll to return to the center position.

The anti-shake motor is integrally through the structure of design magnetism formula suspension mechanism 30, when magnetic part 31 upper and lower direction magnetizes, magnetism induction line is in the centre most concentrated (as shown in fig. 5), consequently the spheroid that realizes in the magnetic field can be attracted to the most intensive central point of magnetism induction line, when a plurality of spheroids moved to central point simultaneously, whole moving assembly 20 resumes the horizontality, the gesture potential difference of anti-shake motor is offset completely this moment, the overall structure produces is rolling friction, and its spheroidal initial position is unanimous with the position after moving, the motion uniformity is good, the motion process is difficult to block.

Referring to fig. 1 and 2, the lower surface of the magnet support 26 further protrudes downwards to form a boss, the first limit structure 261 is a limit groove formed on the boss on the lower surface of the magnet support 26, the limit groove is just used for accommodating the magnetic member 31, the upper surface of the base 50 further protrudes upwards to form a boss, the second limit structure 51 is a limit groove formed on the boss on the upper surface of the base 50, the height of the limit groove is greater than that of the magnetic member 31 and can satisfy the remaining height and is greater than the radius of the magnetically permeable member 32 of the sphere, so as to realize the limit effect on the sphere, prevent the sphere from sliding out, and simultaneously cooperate with the height of the limit groove of the magnet support 26 to avoid the collision between the magnet support 26 and the base 50, the two magnetic members 31 are respectively fixed in the first limit structure 261 and the second limit structure 51, and the magnetically permeable member 32 is spherical and is located in the sphere magnetic attraction zone.

The magnetic suspension mechanism 30 adopts the structure that the upper part and the lower part are magnetic pieces 31, and the middle part is a magnetically permeable piece 32, so that a magnetic induction line generated by the upper magnet and the lower magnet can be effectively utilized to adsorb the steel balls to guide the steel balls to the central position, the motor gesture difference is eliminated, the movement consistency of the up-down simultaneous movement of the steel balls is strong, the problem that the three magnetic pieces 31 possibly cause the overlarge adsorption force of each position of the magnets on the spheres to realize sphere centering is avoided, and the structure is reasonable and ingenious in structural design and easy in function.

Meanwhile, the metal parts such as the magnetic parts 31 are arranged up and down, and the problem that if the upper surface and the lower surface of the ball are plastic parts, pits are easily left on the upper surface and the lower surface after the reliability test, so that hysteresis or clamping in the movement process is caused can be effectively avoided by utilizing the material with stronger hardness.

In addition, the magnetic member 31 or the magnetically permeable member 32 may be disposed only in the first limit structure 261 or the second limit structure 51, so that the magnetic member 31 and the magnetically permeable member 32 may be attracted to each other, and the back movement may be completed.

Specifically, the limiting groove is cylindrical, the magnetic member 31 is a cylindrical magnet, and the magnetically permeable member 32 is a steel ball. The cylindrical shape is adopted, so that the installation and alignment are relatively convenient, and meanwhile, the contact area is large, and the falling off is not easy to occur in the test and use processes.

Referring to fig. 1, the number of the magnetic suspension mechanisms 30 is four, and the magnetic suspension mechanisms are respectively located at four corners of the base 50. The four magnetic suspension mechanisms 30 are adopted to effectively stagger the positions of the magnet groups 25 to form a stable plane suspension mechanism, so that the consistency of the overall movement and the speed during resetting can be ensured. Of course, at least two magnetic suspension mechanisms 30 in the diagonal direction are provided.

In addition, the shapes of the first limit structure 261 and the second limit structure 51 are circular grooves, square grooves, trapezoid grooves, or regular polygon grooves, so long as the return phenomenon can be realized.

The magnetic piece 31 is a magnetic block or a magnetic ball, and when the magnetic piece 31 is a magnetic block, the shape of the magnetic piece is matched with the first limit structure 261 and the second limit structure 51; the magnetically permeable member 32 is a steel sheet or a steel ball, and when the magnetically permeable member 32 is a steel sheet, the shape of the magnetically permeable member is matched with the first limit structure 261 and the second limit structure 51; of course, other magnetically permeable materials and materials with magnetic properties can be implemented as the present solution.

Referring to fig. 1 and 4, the moving assembly 20 further includes an upper focusing spring 21, a lower focusing spring 22, a focusing coil 23, a carrier 24 and a magnet set 25, wherein the number of the lower focusing springs 22 is four, each lower focusing spring 22 further extends to form a string wire 221 connected with the base 50, and the focusing coil 23 is electrically conductive through the string wire 221 to achieve the focusing function.

Example 2 (not shown in the drawings)

Unlike embodiment 1, the first limiting structure 261 is a limiting groove formed on the lower surface of the magnet support 26, the second limiting structure 51 is a limiting groove formed on the upper surface of the base 50, and the two magnetically permeable members 32 are respectively fixed in the first limiting structure 261 and the second limiting structure 51 in a limiting manner.

The magnetic attraction type suspension mechanism 30 adopts a structure that a magnetic part 31 is arranged in the middle, and a magnetic conductive part 32 is arranged on the upper and lower sides, so that a magnetic induction line generated by the middle magnetic ball can be effectively utilized to cooperate with the upper and lower steel sheets to rapidly guide the magnetic ball to the central position by utilizing the reaction force of magnetic attraction, the motor gesture potential difference is eliminated, the motion consistency is strong, the problem that the three positions of the magnet possibly cause overlarge adsorption force to the ball body to cause the magnetic part 31 to possibly cause the ball body to return to the center is avoided, the structural design is reasonable and ingenious, and the function is easy.

Meanwhile, the metal sheets such as the magnetic conductive pieces 32 are arranged up and down, and the problem that if the upper surface and the lower surface of the ball are plastic pieces, pits are easily left on the upper surface and the lower surface after the reliability test, so that hysteresis or clamping in the movement process is caused can be effectively avoided by utilizing the material with stronger hardness.

Example 3 (not shown in the drawings)

Unlike embodiment 1, the first limiting structure 261 is a limiting groove formed on the lower surface of the magnet support 26, the second limiting structure 51 is a limiting groove formed on the upper surface of the base 50, and the two magnetically permeable members 32 are respectively fixed in the first limiting structure 261 or the second limiting structure 51 and disposed in the magnetic attraction center region of the ball.

The magnetic attraction type suspension mechanism 30 adopts the structure that the upper middle part or the lower middle part is the magnetic conductive part 32, the lower part or the upper part is the magnetic part 31, the magnetic induction line generated by the magnet above or below can be effectively utilized to adsorb the steel ball to guide the steel ball to the central position, the motor gesture potential difference is eliminated, the motion consistency is strong, the problem that the three magnetic parts 31 are arranged to possibly cause the overlarge adsorption force of each position of the magnet to the sphere to realize sphere centering is avoided, the structural design is reasonable and ingenious, and the function is easy to implement.

Similarly, the two magnetic members 31 are respectively fixed in the first limit structure 261 or the second limit structure 51 and disposed in the magnetic attraction center region of the ball.

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. A novel anti-shake motor is inhaled to magnetism which characterized in that: the magnetic suspension type OIS coil assembly comprises a shell (10), a moving assembly (20), a magnetic suspension mechanism (30), an OIS coil assembly (40) and a base (50) which are sequentially arranged from top to bottom; the magnetic suspension mechanism (30) comprises a magnetic part (31) and a magnetically permeable part (32), the moving assembly (20) comprises a magnet support (26), the magnet support (26) is provided with a first limit structure (261), a second limit structure (51) is arranged at the position of the base (50) corresponding to the first limit structure (261), a sphere magnetic attraction middle area is formed in the space between the first limit structure (261) and the second limit structure (51), the magnetic part (31) and the magnetically permeable part (32) are arranged at least two positions in the first limit structure (261), the second limit structure (51) and the sphere magnetic attraction middle area at random, and the magnetic part (31) or the magnetically permeable part (32) in the sphere magnetic attraction middle area is spherical and can horizontally roll to return to the center position.

2. The magnetic attraction type novel anti-shake motor according to claim 1, characterized in that: the first limiting structure (261) is a limiting groove formed in the lower surface of the magnet support (26), the second limiting structure (51) is a limiting groove formed in the upper surface of the base (50), and the two magnetic pieces (31) are respectively fixed in the first limiting structure (261) and the second limiting structure (51) in a limiting mode.

3. The magnetic attraction type novel anti-shake motor according to claim 1, characterized in that: the first limiting structure (261) is a limiting groove formed in the lower surface of the magnet support (26), the second limiting structure (51) is a limiting groove formed in the upper surface of the base (50), and the two magnetically permeable pieces (32) are respectively fixed in the first limiting structure (261) and the second limiting structure (51) in a limiting mode.

4. The magnetic attraction type novel anti-shake motor according to claim 1, characterized in that: the first limiting structure (261) is a limiting groove formed in the lower surface of the magnet support (26), the second limiting structure (51) is a limiting groove formed in the upper surface of the base (50), and the two magnetically permeable pieces (32) are respectively fixed in the first limiting structure (261) or the second limiting structure (51) in a limiting mode and are arranged in the sphere magnetic attraction return middle area.

5. The magnetic attraction type novel anti-shake motor according to any one of claims 1 to 4, characterized in that: the number of the magnetic suspension mechanisms (30) is four, and the magnetic suspension mechanisms are respectively positioned at four corners of the base (50).

6. The magnetic attraction type novel anti-shake motor according to any one of claims 1 to 4, characterized in that: the first limit structure (261) and the second limit structure (51) are in a shape of a circular groove or a square groove or a trapezoid groove or a regular polygon groove.

7. The magnetic attraction type novel anti-shake motor according to any one of claims 1 to 4, characterized in that: the magnetic piece (31) is a magnetic block or a magnetic ball; the magnetic conductive piece (32) is a steel sheet or a steel ball.

8. The magnetic attraction type novel anti-shake motor according to claim 1, characterized in that: the moving assembly (20) further comprises an upper focusing spring (21), lower focusing springs (22), focusing coils (23), a carrier (24) and a magnet group (25), the number of the lower focusing springs (22) is four, and each lower focusing spring (22) is further extended with a string wire (221) connected with the base (50).