CN213270815U - VCM spring leaf - Google Patents

Abstract

The utility model relates to a spring leaf technical field, and a VCM spring leaf is disclosed, including outer position circle and interior position circle, the arc wall has been seted up to the one end that outer position circle is close to interior position circle, the arc wall upper surface is the opening, interior position circle outside is provided with the S-shaped spring wire, circular spring wire and arc spring wire, interior position circle is including location strip one, a location strip right-hand member is seted up porosely one, the inside fixedly connected with spliced pole one in hole, fixedly connected with spliced pole four in the hole four, the laminating of three left ends lower surfaces of location strip has location strip four, strip groove three has been seted up to four rear ends of location strip, the square hole has been seted up on that face at spring leaf middle part is close to location strip two and location strip four, the square has been. The utility model discloses the skew can take place for location strip two and location strip four when the spring leaf is tensile, and the square promotes the spliced pole skew in the square hole this moment, and the spring leaf spring silk produces deformation and reaches tensile purpose, makes the overall structure elasticity better, and spring leaf accuracy control is more accurate.

Description

VCM spring leaf

Technical Field

The utility model belongs to the technical field of the spring leaf, specifically be a VCM spring leaf.

Background

The VCM Motor is obtained from the abbreviation of the first English letter of the Voice Coil Motor, commonly called as a Voice Coil Motor or a Voice Coil Motor, and the VCM Motor is mainly characterized in that in a permanent magnetic field, the direct current of a Coil in the Motor is changed to convert the current into mechanical force to control the stretching position of a VCM spring piece, so that the lens is driven to move up and down to achieve the function of focusing and zooming of the lens, the whole lens can be moved in a micro-distance manner, the focal length is changed, and the purpose of image definition is achieved.

The VCM motor is thin like a hair, while a spring wire of a spring leaf, which is an important component of the VCM motor, is much finer than the hair, and even the inspection mode of the VCM motor needs to be finished by adopting a body type television microscope, so that the accuracy of the spring wire of the spring leaf directly influences the definition and the service life of a camera; in addition, the inner frame and the outer frame cannot be timely positioned, so that the installation is easy to make mistakes and the positioning is inaccurate, sufficient accuracy cannot be provided, the problem of how to solve the problem that the accuracy of the spring piece becomes the key technology of the project is solved, the project mainly researches the accuracy control mode of the spring piece, and the product has the characteristics of high accuracy, good uniformity and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a VCM spring leaf possesses elasticity degree well, and the problem of proposing among the above-mentioned background art has been solved to the advantage that spring wire protectiveness is good.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a VCM spring piece comprises an outer positioning ring and an inner positioning ring, wherein mounting holes are formed in the four corners of the outer positioning ring, an arc-shaped groove is formed in one end, close to the inner positioning ring, of the outer positioning ring, a fixing hole is formed in the middle of the outer positioning ring, an S-shaped spring wire, a circular spring wire and an arc-shaped spring wire are arranged outside the inner positioning ring, the right end of the circular spring wire is fixedly connected with the lower surface of the S-shaped spring wire, the upper end of the arc-shaped spring wire is fixedly connected with the lower end of the circular spring wire, the inner positioning ring comprises a first positioning strip, a first hole is formed in the first positioning strip, a first connecting column is fixedly connected inside the first hole, a second hole is formed in the left end of the first positioning strip, a second connecting column is fixedly connected in the second hole, a second positioning strip is attached to the lower surface of the first positioning strip, a first strip is formed in, the spring piece positioning device is characterized in that a third positioning strip is attached to the upper surface of the rear end of the second positioning strip, a third hole is formed in the right end of the third positioning strip, a third fixedly connected connecting column is arranged in the third hole, a fourth hole is formed in the left end of the third positioning strip, a fourth fixedly connected connecting column is arranged in the fourth hole, a fourth positioning strip is attached to the lower surface of the left end of the third positioning strip, a third strip groove is formed in the rear end of the fourth positioning strip, a fourth strip groove is formed in the front end of the fourth positioning strip, a square hole is formed in the surface, close to the middle of the spring piece, of the second positioning strip and the fourth positioning strip, a square block is placed in the square hole, and the square block is fixedly.

Preferably, spliced pole lower extreme surface and a strip groove inner wall are laminated mutually, the laminating of spliced pole three lower extreme surfaces and two inner walls in strip groove mutually, the laminating of spliced pole four lower extreme surfaces and three inner walls in strip groove mutually, the laminating of spliced pole two lower extreme surfaces and four inner walls in strip groove mutually.

Preferably, the lower surface of the arc-shaped groove is fixedly connected with the lower surface of the outer positioning ring, and the upper surface of the arc-shaped groove is provided with an opening.

Preferably, the round spring wire, the S-shaped spring and the arc spring wire are connected into a whole, and the round spring wire is connected with the inner positioning coil.

(III) advantageous effects

Compared with the prior art, the utility model provides a VCM spring leaf possesses following beneficial effect:

1. the VCM spring piece is characterized in that a first hole is formed in the right end of a first positioning strip, a first connecting column is fixedly connected inside the first hole, a second hole is formed in the left end of the first positioning strip, a second connecting column is fixedly connected in the second hole, a second positioning strip is attached to the lower surface of the right end of the first positioning strip, a first strip-shaped groove is formed in the front end of the second positioning strip, a second strip-shaped groove is formed in the rear end of the second positioning strip, a third hole is formed in the upper surface of the rear end of the second positioning strip, a third connecting column is fixedly connected in the third hole, a fourth hole is formed in the left end of the third positioning strip, a fourth positioning strip is attached to the lower surface of the left end of the third positioning strip, a third strip-shaped groove is formed in the rear end of the fourth positioning strip, a square hole is formed in the front end of the fourth positioning strip, square holes are formed in the surfaces, close to the middle part, the second positioning strip and the fourth positioning strip can deviate when the spring piece is stretched, the square block pushes the connecting column to deviate in the square hole at the moment, the spring wire of the spring piece deforms to achieve the purpose of stretching, the flexibility of the whole structure is better, and the precision control of the spring piece is more accurate.

2. This VCM spring leaf has seted up the arc wall through the one end that outer position circle is close to interior position circle, and the arc wall lower surface is connected with the lower fixed surface of outer position circle, and the arc wall upper surface is open-ended structure for when this spring leaf installation, fixed spring's viscidity material can fall into the arc wall, can not fall into the performance that influences the spring wire in the spring wire, has increased the life of whole spring leaf.

Drawings

Fig. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic structural view of the inner retainer ring of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

In the figure: the spring positioning device comprises an outer positioning ring 1, an inner positioning ring 2, a mounting hole 3, an arc-shaped groove 4, a fixing hole 5, an S-shaped spring wire 6, a circular spring wire 7, an arc-shaped spring wire 8, a first positioning strip 9, a first positioning strip 10, a first connecting column 11, a second connecting column 12, a second connecting column 13, a second positioning strip 14, a first strip-shaped groove 15, a second strip-shaped groove 16, a third positioning strip 17, a third hole 18, a third connecting column 19, a fourth hole 20, a fourth connecting column 21, a fourth positioning strip 22 and a third strip-shaped groove 23. 24 strip-shaped grooves, 25 square holes and 26 square blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a VCM spring plate comprises an outer positioning ring 1 and an inner positioning ring 2, wherein mounting holes 3 are formed at four corners of the outer positioning ring 1, an arc-shaped groove 4 is formed at one end of the outer positioning ring 1 close to the inner positioning ring 2, the lower surface of the arc-shaped groove 4 is fixedly connected with the lower surface of the outer positioning ring 1, the upper surface of the arc-shaped groove 4 is open, so that when the spring plate is mounted, viscous substances for fixing a spring cannot fall into the spring wire to affect the performance of the spring wire, the service life of the whole spring plate is prolonged, a fixing hole 5 is formed in the middle of the outer positioning ring 1, an S-shaped spring wire 6, a circular spring wire 7 and an arc-shaped spring wire 8 are arranged outside the inner positioning ring 2, the circular spring wire 7 is connected with the S-shaped spring wire 6 and the arc-shaped spring wire 8 into a whole, the circular spring wire 7 is connected with the inner positioning ring 2, the right end of the circular spring wire 7 is fixedly connected with the, the inner positioning ring 2 comprises a first positioning strip 9, a first hole 10 is formed in the right end of the first positioning strip 9, a first connecting column 11 is fixedly connected inside the first hole 10, a second hole 12 is formed in the left end of the first positioning strip 9, a second connecting column 13 is fixedly connected in the second hole 12, a second positioning strip 14 is attached to the lower surface of the right end of the first positioning strip 9, a first strip groove 15 is formed in the front end of the second positioning strip 14, a second strip groove 16 is formed in the rear end of the second positioning strip 14, a third positioning strip 17 is attached to the upper surface of the rear end of the second positioning strip 14, a third hole 18 is formed in the right end of the third positioning strip 17, a third connecting column 19 is fixedly connected in the third hole 18, a fourth hole 20 is formed in the left end of the third positioning strip 17, a fourth connecting column 21 is fixedly connected in the fourth hole 20, a fourth positioning strip 22 is attached to the lower surface of the left end of the third positioning strip 17, and the side of four 22 location strip near the spring leaf middle part has been seted up the square hole 25, square 26 has been placed in the square hole 25, square 26 and spliced pole one 11, spliced pole two 13, spliced pole three 19 and spliced pole four 21 fixed connection, make two 14 location strip and four 22 location strip skew when the spring leaf is tensile, square 26 promotes the spliced pole skew in square 25 this moment, the spring leaf spring silk produces deformation and reaches tensile purpose, it is better to make whole structure elasticity, spring leaf accuracy control is more accurate.

When the lens is used, in a permanent magnetic field, the direct current of a coil in the motor is changed to convert the current into mechanical force to control the stretching position of the VCM spring piece, so that the lens is driven to move up and down to achieve the function of focusing and zooming of the lens, the whole lens can be moved in a micro-distance manner, the focal length is changed, clear images are realized, the second positioning strip 14 and the fourth positioning strip 22 can be deflected when the spring piece is stretched, at the moment, the square 26 pushes the connecting column to deflect in the square hole 25, and the spring wire of the spring piece deforms to achieve the purpose of stretching.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a VCM spring leaf, includes outer position circle (1) and interior position circle (2), outer position circle (1) four corners department is provided with mounting hole (3), arc wall (4) have been seted up to outer position circle (1) one end that is close to interior position circle (2), outer position circle (1) middle part is provided with fixed orifices (5), its characterized in that: the inner positioning ring (2) is externally provided with an S-shaped spring wire (6), a round spring wire (7) and an arc-shaped spring wire (8), the right end of the round spring wire (7) is fixedly connected with the lower surface of the S-shaped spring wire (6), the upper end of the arc-shaped spring wire (8) is fixedly connected with the lower end of the round spring wire (7), the inner positioning ring (2) comprises a first positioning strip (9), the right end of the first positioning strip (9) is provided with a first hole (10), the inside of the first hole (10) is fixedly connected with a first connecting column (11), the left end of the first positioning strip (9) is provided with a second hole (12), the middle of the second hole (12) is fixedly connected with a second connecting column (13), the lower surface of the right end of the first positioning strip (9) is attached with a second positioning strip (14), the front end of the second positioning strip (14) is provided with a first strip-shaped groove (15), the rear end, a third positioning strip (17) is attached to the upper surface of the rear end of the second positioning strip (14), a third hole (18) is formed in the right end of the third positioning strip (17), a connecting column III (19) is fixedly connected in the hole III (18), a hole IV (20) is formed at the left end of the positioning strip III (17), a connecting column IV (21) is fixedly connected in the hole IV (20), a positioning strip IV (22) is attached to the lower surface of the left end of the positioning strip III (17), the rear end of the positioning strip IV (22) is provided with a strip-shaped groove III (23), the front end of the positioning strip IV (22) is provided with a strip-shaped groove IV (24), the surfaces of the second positioning strip (14) and the fourth positioning strip (22) close to the middle part of the spring piece are provided with square holes (25), a square block (26) is placed in the square hole (25), and the square block (26) is fixedly connected with the first connecting column (11), the second connecting column (13), the third connecting column (19) and the fourth connecting column (21).

2. A VCM spring plate according to claim 1, wherein: the utility model discloses a spliced pole, including spliced pole one (11) lower extreme surface and strip groove one (15) inner wall laminating mutually, spliced pole three (19) lower extreme surface laminates with strip groove two (16) inner walls mutually, spliced pole four (21) lower extreme surface laminates with strip groove three (23) inner walls mutually, spliced pole two (13) lower extreme surface laminates with strip groove four (24) inner walls mutually.

3. A VCM spring plate according to claim 1, wherein: the lower surface of the arc-shaped groove (4) is fixedly connected with the lower surface of the outer positioning ring (1), and the upper surface of the arc-shaped groove (4) is provided with an opening.

4. A VCM spring plate according to claim 1, wherein: the round spring wire (7) is connected with the S-shaped spring wire (6) and the arc-shaped spring wire (8) into a whole, and the round spring wire (7) is connected with the inner positioning coil (2).

Images