阅读说明：本技术 一种分体式上弹片结构、驱动装置及电子设备 (Split type spring plate structure, driving device and electronic equipment ) 是由 冯东辉 王林 于 2020-06-23 设计创作，主要内容包括：本发明公开了一种分体式上弹片结构,包括内环部、沿内环部外侧设置的若干固定部、以及用于连接所述内环部和固定部的弹臂部；所述内环部包括圆环形主体,内环部的外侧与弹臂部的第一端连接,弹臂部的第二端与固定部连接,所述固定部沿内环部的外圆周方向分布；所述固定部之间设有间隙,固定部通过间隙隔断为分体式结构。本发明的固定部取消了用于连接的外边框,且通过间隙隔断为独立设置的分体式结构,增大了马达内部的可利用空间,增加了马达的可靠性和稳定性。(The invention discloses a split type upper spring plate structure which comprises an inner ring part, a plurality of fixing parts arranged along the outer side of the inner ring part and a spring arm part used for connecting the inner ring part and the fixing parts; the inner ring part comprises a circular main body, the outer side of the inner ring part is connected with the first end of the elastic arm part, the second end of the elastic arm part is connected with the fixing part, and the fixing part is distributed along the outer circumferential direction of the inner ring part; a gap is arranged between the fixing parts, and the fixing parts are separated into a split structure through the gap. The fixing part of the invention cancels an outer frame for connection, and is separated into a split structure which is independently arranged through a gap, thereby increasing the available space in the motor and increasing the reliability and stability of the motor.)

1. A split type upper spring plate structure comprises an inner ring part (1), a plurality of fixing parts (2) arranged along the outer side of the inner ring part (1), and a spring arm part (3) used for connecting the inner ring part (1) and the fixing parts (2); the inner ring part (1) comprises a circular main body, the outer side of the inner ring part (1) is connected with the first end of the elastic arm part (3), the second end of the elastic arm part (3) is connected with the fixing part (2), and the fixing part (2) is distributed along the outer circumferential direction of the inner ring part (1); the method is characterized in that: gaps (4) are arranged between the fixing parts (2), and the fixing parts (2) are separated into split structures through the gaps (4).

2. The split type spring-up structure of claim 1, wherein: the fixing part (2) comprises a first fixing part (21), a second fixing part (22), a third fixing part (23) and a fourth fixing part (24) which are arranged along the outer side of the inner ring part (1);

the first fixing part (21) is connected with the second fixing part (22) through an outer frame (5), and the third fixing part (23) is connected with the fourth fixing part (24) through another outer frame (5); the first fixing part (21) and the fourth fixing part (24) are provided with a gap (4), and the second fixing part (22) and the third fixing part (23) are provided with another gap (4).

3. The split type spring-up structure of claim 1, wherein: any adjacent fixing parts (2) are provided with gaps (4), and the partition is of a split structure through the gaps (4).

4. The split type spring-up structure of claim 1, wherein: an XY-direction positioning structure (6) is arranged on the fixing part (2), and the XY-direction positioning structure (6) is a bulge integrally connected with the fixing part (2).

5. The split type spring-up structure of claim 1, wherein: each fixing part (2) is provided with two XY-direction positioning structures (6), and the XY-direction positioning structures (6) are respectively positioned at the end parts of the two ends of the fixing part (2).

6. A drive device, characterized by: comprising the split type spring-top structure according to any one of claims 1 to 5.

7. An electronic device, characterized in that: comprising a voice coil motor as claimed in claim 6.

Technical Field

The present invention relates to the field of voice coil motors, and in particular, to a split type upper spring plate structure, a driving device and an electronic apparatus.

Background

A voice coil motor is a device which converts electric energy into mechanical energy and realizes linear motion and motion with limited swing angle. The device generates regular movement by utilizing the interaction between the magnetic field from the permanent magnetic steel and the magnetic poles in the magnetic field generated by the conductor of the electrified coil.

Referring to fig. 1, the fixing portion of the upper spring structure of the conventional voice coil motor is integrally connected through an outer frame, and is positioned in the XY direction by a plurality of protruding features. The above structure has a drawback in that the outer frame occupies a narrow space inside the motor, and the inner space of the motor cannot be effectively utilized.

Disclosure of Invention

The present invention provides a split-type upper spring plate structure, a voice coil motor and an electronic device, aiming at the defects in the prior art, so as to solve the problems in the prior art.

The technical problem solved by the invention can be realized by adopting the following technical scheme:

a split type upper spring plate structure comprises an inner ring part, a plurality of fixing parts arranged along the outer side of the inner ring part, and spring arm parts used for connecting the inner ring part and the fixing parts; the inner ring part comprises a circular main body, the outer side of the inner ring part is connected with the first end of the elastic arm part, the second end of the elastic arm part is connected with the fixing part, and the fixing part is distributed along the outer circumferential direction of the inner ring part; a gap is arranged between the fixing parts, and the fixing parts are separated into a split structure through the gap.

Furthermore, the fixing part comprises a first fixing part, a second fixing part, a third fixing part and a fourth fixing part which are arranged along the outer side of the inner ring part;

the first fixing part and the second fixing part are connected through an outer frame, and the third fixing part and the fourth fixing part are connected through another outer frame; the first fixing part and the fourth fixing part are provided with a gap, and the second fixing part and the third fixing part are provided with another gap.

Furthermore, any adjacent fixing parts are of split structures.

Further, an XY-direction positioning structure is arranged on the fixing part, and the XY-direction positioning structure is a protrusion integrally connected with the fixing part.

Furthermore, each fixing part is provided with two XY-direction positioning structures, and the XY-direction positioning structures are respectively positioned at the end parts of the two ends of the fixing part.

A voice coil motor comprises the split type upper spring plate structure with the structure.

An electronic device has the voice coil motor with the structure.

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

1. the outer frame that is used for connecting has been cancelled to the fixed part, cuts off the split type structure for independent setting through the clearance, has increased the inside usable space of motor, has increased the reliability and the stability of motor.

2. And an XY direction positioning structure is arranged for carrying out direction positioning, so that the available space of the internal carrier is increased on the premise of ensuring the assembly manufacturability.

Drawings

Fig. 1 is a schematic diagram of a split type upper spring plate in the prior art.

Fig. 2 is a schematic view of an upper spring plate structure according to embodiment 1 of the present invention.

Fig. 3 is a schematic view of an upper spring plate structure according to embodiment 2 of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 2 and 3, the split type upper spring plate structure of the present invention includes an inner ring portion (1), a plurality of fixing portions (2) disposed along an outer side of the inner ring portion (1), and a spring arm portion (3) for connecting the inner ring portion (1) and the fixing portions (2); the inner ring part (1) comprises a circular main body, the outer side of the inner ring part (1) is connected with the first end of the elastic arm part (3), the second end of the elastic arm part (3) is connected with the fixing part (2), and the fixing part (2) is distributed along the outer circumferential direction of the inner ring part (1); gaps (4) are arranged between the fixing parts (2), and the fixing parts (2) are separated into split structures through the gaps (4).

An XY-direction positioning structure (6) is arranged on the fixing part (2), and the XY-direction positioning structure (6) is a bulge integrally connected with the fixing part (2). Each fixing part (2) is provided with two XY-direction positioning structures (6), and the XY-direction positioning structures (6) are respectively positioned at the end parts of the two ends of the fixing part (2).