VCM spring carrier assembly structure

Abstract

The utility model relates to the field of automatic focusing motor especially relates to VCM spring piece carrier assembly structure, including fixed bottom plate, the front end four corners of fixed bottom plate are fixedly connected with first limit post, and the carrier assembly is movably arranged on first limit post, and the carrier assembly includes magnetic column, second groove body, first limit slot, limit ring, first spring piece, first through -hole, second spring piece and second through -hole, the front end of fixed bottom plate places first spring piece, and the four corners of first spring piece are provided with first through -hole, and the front end four corners of fixed bottom plate are provided with four magnetic columns, and the front and back two ends of magnetic column are all provided with first limit slot, and the inner wall of first limit slot is fixedly connected with limit ring, the utility model discloses through close and embedded design, can prevent first spring piece and second spring piece from producing gap when long -time work, thereby reduce the noise produced when vibrating, also convenient subsequent through the mode of hot melting carry out quick disassembly and maintenance work.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of autofocus motor, especially VCM spring piece carrier assembly structure. BACKGROUND

[0002] The spring piece in VCM motor usually refers to spring piece or spring piece structure used for supporting and driving lens movement, these spring pieces will be deformed when the motor works, thereby generating counterforce, interacting with the electromagnetic thrust of energized coil in magnetic field, forming resultant force to drive lens group to move forward and backward, realizing focusing function.

[0003] In prior art, if the spring piece is not fixed correctly or there is gap between the spring piece and other components during assembly process of the spring piece in VCM motor, the spring piece may shake or vibrate when the motor runs, thereby generating noise, and the spring piece carrier may not be assembled firmly during installation process, thereby causing displacement deviation during long-term use.

[0004] Therefore, the VCM spring piece carrier assembly structure is proposed, which has double clamping and slotted embedded structure, can effectively reduce the gap between the spring piece and the carrier assembly, and improve the stability of the spring piece during work. SUMMARY

[0005] In order to overcome the problems that the spring piece is not fixed correctly or has gap, and the spring piece carrier is not assembled firmly during assembly of the VCM motor, thereby causing the spring piece to shake, vibrate or displace during operation, and further generating noise, the VCM spring piece carrier assembly structure is proposed.

[0006] The technical scheme of the utility model is as follows: the VCM spring piece carrier assembly structure comprises a fixed bottom plate, a first limiting column is fixedly connected to the front end of the fixed bottom plate, a carrier assembly is movably arranged on the first limiting column, the carrier assembly comprises a magnetic column, a second groove body, a first limiting groove, a limiting ring, a first spring piece, a first through hole, a second spring piece and a second through hole; the first spring piece is placed on the front end of the fixed bottom plate, the first spring piece is provided with the first through hole at the four corners, four magnetic columns are arranged at the four corners of the front end of the fixed bottom plate, the first limiting groove is arranged at the front and rear ends of the magnetic column, the limiting ring is fixedly connected to the inner wall of the first limiting groove, the second spring piece is movably arranged on the first limiting groove in front of the magnetic column, and the second spring piece is provided with the second through hole at the four corners.

[0007] Preferably, when installation work is needed, the first spring piece and the second spring piece are respectively placed at the front and rear ends of the magnetic column, then the fixed column on the installation plate is fixedly connected to the second groove body by glue, thereby the carrier assembly is fixed as a whole, and the problem that the original VCM spring piece carrier structure has position deviation of the spring piece after long-term use, thereby generating noise in work is solved.

[0008] Preferably, the inner wall of the first limiting groove at the rear of the magnetic column is attached to the outer wall of the first elastic sheet, the inner wall of the first through hole is attached to the outer wall of the limiting ring at the rear of the magnetic column, and the outer wall of the limiting ring at the front of the magnetic column is attached to the inner wall of the second through hole.

[0009] Preferably, a coil is arranged at the center of the front of the fixed base plate, a second groove is arranged at the end of the magnetic column away from the axis of the coil, the outer wall of the second groove is fixedly connected with a fixed column, the front end of the four fixed columns is fixedly connected with a mounting plate, and the rear end of the mounting plate is fixedly connected with a second limiting column at the four corners.

[0010] Preferably, the front end of the magnetic column is flush with the front end of the second elastic sheet, the rear end of the mounting plate is attached to the front end of the second elastic sheet, and the first groove is arranged at the front and rear ends of the fixed base plate.

[0011] Preferably, the outer wall of the first limiting column is attached to the inner wall of the limiting ring at the rear end of the magnetic column, and the outer wall of the second limiting column is attached to the inner wall of the limiting ring at the front end of the magnetic column.

[0012] Preferably, the end of the two adjacent magnetic columns close to each other is provided with a dust shield, the rear end of the four dust shields is fixedly connected to the front end of the fixed base plate, and the front end of the fixed base plate is provided with a glue injection groove.

[0013] Preferably, the inner ring of the second elastic sheet and the first elastic sheet is fixedly connected to the outer wall of the coil.

[0014] The beneficial effects of the utility model are as follows: during installation, the first through hole of the first elastic sheet is sleeved into the first limiting column, the magnetic column clamps the four corners of the first elastic sheet, the limiting ring is nested into the through hole and inserted into the limiting column to fix the rear end of the magnetic column, then the second through hole of the second elastic sheet is inserted into the front limiting ring of the magnetic column, and the four corners are also clamped, and then the second limiting column and the glue fixing column of the second groove are used to clamp the front end of the second elastic sheet, through the close attachment and the embedded design, the gap between the first elastic sheet and the second elastic sheet during long-time work can be prevented, the noise generated during vibration is reduced, and the subsequent work of rapid disassembly and maintenance through the hot melting mode is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of a VCM elastic sheet carrier assembly structure is shown.

[0016] Figure 2 A three-dimensional structure schematic view of a fixed base plate of a VCM elastic sheet carrier assembly structure is shown.

[0017] Figure 3 A three-dimensional structure schematic view of a carrier assembly of a VCM elastic sheet carrier assembly structure is shown.

[0018] Figure 4The utility model discloses a VCM elastic sheet carrier assembly structure's mounting plate's three-dimensional structure schematic diagram is shown.

[0019] Figure 5 The utility model discloses a VCM elastic sheet carrier assembly structure's three-dimensional split structure schematic diagram is shown.

[0020] The mark in drawing is: 1 - fixed bottom plate, 101 - magnetic column, 102 - second groove body, 103 - first limit slot, 104 - limit ring, 105 - first elastic sheet, 106 - first through -hole, 107 - second elastic sheet, 108 - second through -hole, 2 - dust baffle, 3 - first limit column, 4 - glue injection groove, 5 - first groove body, 6 - fixed column, 7 - mounting plate, 8 - second limit column, 9 - coil. Specific implementation

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figures 1-5 The utility model provides a kind of example: VCM elastic sheet carrier assembly structure, including fixed bottom plate 1, the front end four corners of fixed bottom plate 1 are fixedly connected with first limit column 3, carrier assembly is movably arranged on first limit column 3, and carrier assembly includes magnetic column 101, second groove body 102, first limit slot 103, limit ring 104, first elastic sheet 105, first through -hole 106, second elastic sheet 107 and second through -hole 108;First elastic sheet 105 is placed in the front end of fixed bottom plate 1, and first through -hole 106 is arranged in the four corners of first elastic sheet 105, four magnetic columns 101 are arranged in the front end four corners of fixed bottom plate 1, and first limit slot 103 is arranged in the front and back ends of magnetic column 101, limit ring 104 is fixedly connected to the inner wall of first limit slot 103, second elastic sheet 107 is movably arranged on the first limit slot 103 in the front of magnetic column 101, and second through -hole 108 is arranged in the four corners of second elastic sheet 107.

[0023] Please refer to Figure 2 And Figure 4 In the embodiment, coil 9 is arranged in the front center of fixed bottom plate 1, second groove body 102 is arranged in the one end of magnetic column 101 away from the axis of coil 9, fixed column 6 is fixedly connected to the outer wall of second groove body 102, mounting plate 7 is fixedly connected to the front end of four fixed columns 6, second limit column 8 is fixedly connected to the rear end four corners of mounting plate 7, and the front end of second elastic sheet 107 can be clamped and fixed by the rear end of mounting plate 7 by being inserted into limit ring 104 in the front section of fixed bottom plate 1, the inner wall of limit ring 104 in the rear end of magnetic column 101 is attached to the outer wall of first limit column 3, and the inner wall of limit ring 104 in the front end of magnetic column 101 is attached to the outer wall of second limit column 8.

[0024] Please refer toFigure 3 and Figure 5 In this embodiment, the inner wall of the first limiting groove 103 behind the magnetic column 101 is in close contact with the outer wall of the first elastic sheet 105, the inner wall of the first through hole 106 is in close contact with the outer wall of the limiting ring 104 behind the magnetic column 101, the outer wall of the limiting ring 104 in front of the magnetic column 101 is in close contact with the inner wall of the second through hole 108, the first limiting groove 103 and the limiting ring 104 on the front and back ends of the magnetic column 101 can respectively embed and fix the second through hole 108 on the second elastic sheet 107 and the first through hole 106 on the first elastic sheet 105, the front end of the magnetic column 101 is flush with the front end of the second elastic sheet 107, the rear end of the mounting plate 7 is in close contact with the front end of the second elastic sheet 107, the front end of the magnetic column 101 is flush with the front end of the second elastic sheet 107, the rear end of the mounting plate 7 is in close contact with the front end of the second elastic sheet 107, one end of two adjacent magnetic columns 101 is provided with a dust screen 2, the front and back ends of the fixed bottom plate 1 are provided with a first groove body 5, the rear ends of the four dust screens 2 are fixedly connected to the front end of the fixed bottom plate 1, the front end of the fixed bottom plate 1 is provided with a glue injection groove 4, and the inner rings of the second elastic sheet 107 and the first elastic sheet 105 are fixedly connected to the outer wall of the coil 9.

[0025] When working, when installation work is needed, first, the first through hole 106 on the first elastic sheet 105 is sleeved into the first limiting column 3, then the rear first limiting groove 103 of the magnetic column 101 clamps the four corners of the first elastic sheet 105, then the limiting ring 104 nests the outer wall of the first through hole 106, and then the inner wall of the limiting ring 104 is inserted into the first limiting column 3, so that the first elastic sheet 105 is fixed and the rear end of the magnetic column 101 is fixed;

[0026] When fixing the second elastic sheet 107 in front of the magnetic column 101, the second through hole 108 is inserted into the outer wall of the limiting ring 104 in front of the magnetic column 101, the four corners of the second elastic sheet 107 are clamped by the first limiting groove 103, then the second limiting column 8 is inserted into the inner wall of the limiting ring 104 in front of the magnetic column 101, and the front end of the second elastic sheet 107 is clamped and fixed by the rear end of the mounting plate 7, and before fixing, the glue is covered to the second groove body 102, and the fixed column 6 is fixed to the magnetic column 101;

[0027] Through close contact and embedded design, the gap between the first elastic sheet 105 and the second elastic sheet 107 can be prevented from being generated during long-time work, so as to reduce the noise generated during vibration, and it is also convenient for subsequent rapid disassembly and maintenance work by means of hot melting.

[0028] Through the above steps, when the installation work is needed, the first elastic sheet 105 and the second elastic sheet 107 are respectively placed at the front and rear ends of the magnetic column 101, then the fixing column 6 on the installation plate 7 is fixed on the second groove body 102 through the glue, thereby the fixing work of the whole carrier assembly is carried out, the problem of the original VCM elastic sheet carrier structure that the elastic sheet position is deviated after long-term use, thereby the noise is generated in the work is solved.

[0029] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A VCM spring carrier assembly structure comprising a fixed base plate (1), characterized in that: The first limiting column (3) is arranged at the four corners of the front end of the fixed bottom plate (1), and a carrier assembly is movably arranged on the first limiting column (3). The carrier assembly comprises a magnetic column (101), a second groove (102), a first limiting groove (103), a limiting ring (104), a first elastic sheet (105), a first through hole (106), a second elastic sheet (107) and a second through hole (108). The first elastic sheet (105) is arranged at the front end of the fixed bottom plate (1), the first through hole (106) is arranged at the four corners of the first elastic sheet (105), four magnetic columns (101) are arranged at the four corners of the front end of the fixed bottom plate (1), the first limiting groove (103) is arranged at the front and rear ends of the magnetic column (101), the limiting ring (104) is fixedly connected to the inner wall of the first limiting groove (103), the second elastic sheet (107) is movably arranged on the first limiting groove (103) in front of the magnetic column (101), and the second through hole (108) is arranged at the four corners of the second elastic sheet (107).

2. The VCM membrane patch carrier assembly structure of claim 1, wherein: The inner wall of the first limiting groove (103) behind the magnetic column (101) is attached to the outer wall of the first elastic sheet (105), the inner wall of the first through hole (106) is attached to the outer wall of the limiting ring (104) behind the magnetic column (101), and the outer wall of the limiting ring (104) in front of the magnetic column (101) is attached to the inner wall of the second through hole (108).

3. The VCM membrane patch carrier assembly structure of claim 1, wherein: The coil (9) is arranged at the front center of the fixed bottom plate (1), the second groove (102) is arranged at the end of the magnetic column (101) away from the axis of the coil (9), the fixed column (6) is fixedly connected to the outer wall of the second groove (102), the mounting plate (7) is fixedly connected to the front end of the four fixed columns (6), and the second limiting column (8) is fixedly connected to the rear end four corners of the mounting plate (7).

4. The VCM membrane patch carrier assembly structure of claim 1, wherein: The front end of the magnetic column (101) is flush with the front end of the second elastic sheet (107), the rear end of the mounting plate (7) is attached to the front end of the second elastic sheet (107), and the first groove (5) is arranged at the front and rear ends of the fixed bottom plate (1).

5. The VCM membrane patch carrier assembly structure of claim 1, wherein: The outer wall of the first limiting column (3) is attached to the inner wall of the limiting ring (104) at the rear end of the magnetic column (101), and the outer wall of the second limiting column (8) is attached to the inner wall of the limiting ring (104) at the front end of the magnetic column (101).

6. The VCM membrane patch carrier assembly structure of claim 1, wherein: The dustproof plate (2) is arranged at the end of the two adjacent magnetic columns (101) close to each other, the rear end of the four dustproof plates (2) is fixedly connected to the front end of the fixed bottom plate (1), and the glue injection groove (4) is arranged at the front end of the fixed bottom plate (1).

7. The VCM membrane patch carrier assembly structure of claim 1, wherein: The inner ring of the second elastic sheet (107) and the first elastic sheet (105) is fixedly connected to the outer wall of the coil (9).

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