CN220416069U - Upper reed and camera driving device - Google Patents

Abstract

The utility model discloses an upper reed and a camera shooting driving device, wherein the upper reed comprises: the device comprises a plane part, a bending part and a bending connecting part; the bending part comprises a frame fixing part, a frame swinging part and an inner swinging part arranged between the frame fixing part and the frame swinging part, the lower end of the frame swinging part is provided with a damping glue inserting part, the inner swinging part is provided with a Y-shaped line frame-shaped structure formed by continuous bending, one end of the lower part of the inner swinging part is connected with the frame fixing part, and the other end of the lower part of the inner swinging part is connected with the frame swinging part at the upper end of the damping glue inserting part; the damping glue inserting part is used for being inserted into a damping groove on the base of the camera driving device, and damping glue is stored in the damping groove; the bending part of the upper reed adopts a single damping rubber inserting part to insert the damping rubber, so that the mechanical impact is small, and the integral stress of the upper reed is reduced.

Description

Upper reed and camera driving device

Technical Field

The utility model belongs to the field of image pickup devices, and particularly relates to an upper reed and an image pickup driving device.

Background

In the existing hand-held optical products in the market, such as digital cameras, video cameras, mobile phones and other optical systems, the optical lens group and the camera driving device are matched and combined. In the shooting process, the device is easy to shake due to external force, such as hand holding, vehicle running room and shaking caused by external environment factors, so that the problems of incapability of clearly imaging or image blurring and the like are caused.

The common image compensation system of the mobile phone on the market utilizes a lens translation mode to compensate the light path offset problem, the movable part is mainly suspended and translated by an elastic structure to achieve the light path compensation on the compensation mechanism, and a reed bending mode is adopted, but the compensation mechanism has the following problems: 1. if the Q value of the mechanical quality factor is controlled by changing the structure of the reed bending part, the K value of the spring stiffness coefficient can be greatly changed due to the stress of the reed bending part; 2. if the Q value is controlled by the glue amount of the damping glue, the glue amount interval is limited, so that the damping glue cannot be effectively matched with the reed bending part, and the anti-shake effect is affected.

Disclosure of Invention

The utility model aims to provide an upper reed and a camera shooting driving device, which can reduce the integral stress of the upper reed and improve the anti-shake effect.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

according to an aspect of the present utility model, there is provided an upper reed comprising: a flat portion, a bending portion, and a bending connection portion connecting the flat portion and the bending portion;

the plane part comprises a first carrier fixed end used for being connected with a first carrier of the camera driving device, a second carrier fixed end used for being connected with a second carrier of the camera driving device, and a base fixed end connected with a base of the camera driving device;

the bending part comprises a frame fixing part, a frame swinging part and an inner swinging part arranged between the frame fixing part and the frame swinging part, wherein a damping glue inserting part is arranged at the lower end of the frame swinging part, the inner swinging part is provided with a Y-shaped line frame structure formed by continuous bending, one end of the lower part of the inner swinging part is connected with the frame fixing part, and the other end of the inner swinging part is connected with the frame swinging part at the upper end of the damping glue inserting part; the damping glue inserting part is used for being inserted into a damping groove on the base of the camera shooting driving device, and damping glue is stored in the damping groove.

Preferably, the number of the upper spring leaves is two, the upper spring leaves are symmetrically arranged, each upper spring leaf comprises two first carrier fixing ends, four second carrier fixing ends and two base fixing ends, and the bending parts correspond to the damping grooves on the base.

Preferably, the wire fixing device further comprises a wire fixing portion, wherein the wire fixing portion is arranged between the first carrier fixing end and the second carrier fixing end.

Preferably, one end of the bending connection part is connected with the plane part, and the other end is respectively connected with the upper end of the frame fixing part and the upper end of the frame swinging part.

Preferably, the planar portion is provided with an electrical connection terminal connected to a focus drive coil of the imaging drive device.

Preferably, two adjacent first carrier fixing ends are connected through an arc transition connecting part.

According to another aspect of the present utility model, there is provided an image pickup drive apparatus including: the optical element, the reed component, the first carrier, the second carrier, the focusing driving component and the anti-shake driving component are arranged in the cavity;

the protection shell top is equipped with the through-hole, optical element passes the through-hole, optical element with first carrier is fixed, the four corners position of base is equipped with the damping groove that is used for storing damping glue respectively, the side in damping groove of base is equipped with the base barricade, the reed subassembly includes reed and lower reed, go up the reed respectively with first carrier the second carrier the base barricade is connected, lower reed respectively with first carrier the second carrier is connected, focus drive assembly is used for the drive optical element with first carrier moves along the Z axle direction, anti-shake drive assembly is used for the drive optical element first carrier with second carrier moves along X, Y axle direction.

Preferably, the top surface of the first carrier, the top surface of the second carrier and the top surface of the base retaining wall are respectively provided with an upper reed fixing column connected with the upper reed; the bottom of the first carrier and the bottom of the second carrier are respectively provided with a lower reed fixing column connected with the lower reed.

Preferably, the base further comprises a bottom plate, the base retaining wall and the bottom plate are internally provided with metal reinforcing pieces, the top surface of the base retaining wall is provided with exposed ends of the metal reinforcing pieces, and the upper reed is electrically connected with the metal reinforcing pieces through the exposed ends.

Preferably, the metal reinforcement structure further comprises a closed loop assembly, wherein the closed loop assembly is arranged in the base and is electrically connected with the metal reinforcement.

The utility model has the beneficial effects that:

1. the damping glue is harder after irradiation, and the normal reed is easy to break by mechanical impact, and the bending part of the upper reed adopts a single damping glue inserting part to be inserted into the damping glue, so that the mechanical impact is small, and the stress of the whole reed is reduced.

2. The damping grooves for storing damping rubber are arranged at four corners of the base of the camera shooting driving device, the damping rubber inserting parts of the upper reed are inserted into the damping grooves, the damping rubber can play a role in vibration inhibition, and the K value stress of the existing reed wire can be greatly changed if the length of the existing reed wire is regulated.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present utility model will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings. Wherein like reference numerals generally refer to like elements throughout the exemplary embodiments.

Figure 1 shows a schematic diagram of the upper reed structure of one embodiment of the present utility model.

Fig. 2 shows a schematic structural view of a bending portion according to an embodiment of the present utility model.

Fig. 3 shows an exploded view of an image pickup drive apparatus according to an embodiment of the present utility model.

Fig. 4 shows an installation intention of the focus drive coil of one embodiment of the present utility model.

Fig. 5 shows an installation intention of an anti-shake driving coil according to an embodiment of the utility model.

Fig. 6 shows a schematic structural view of a base of an embodiment of the present utility model.

Fig. 7 shows a schematic structural diagram of a closed loop assembly of one embodiment of the present utility model.

Fig. 8 shows an installation intention of a magnet assembly according to an embodiment of the present utility model.

Figure 9 shows the mounting intent of the upper reed of one embodiment of the present utility model.

Figure 10 shows the installation intent of the lower reed of one embodiment of the present utility model.

Fig. 11 shows an overall configuration diagram of an image pickup drive apparatus according to an embodiment of the present utility model (excluding a protective case).

Reference numerals illustrate: 1. a protective shell; 2. an upper reed; 3. a first carrier; 4. a second carrier; 5. a lower reed; 6. a magnet assembly; 7. a base; 8. a planar portion; 9. a lens carrier fixed end; 10. a fixed end of the support carrier; 11. a base fixed end; 12. an electrical connection terminal; 13. bending the connecting part; 14. a bending part; 15. a frame fixing part; 16. a frame swing portion; 17. a damping gel insertion part; 18. an inner swing portion; 19. a closed loop assembly; 20. a bare end; 21. a metal reinforcement; 22. a damping groove; 23. a base retaining wall; 24. a bottom plate; 25. an optical element; 28. a focus driving coil; 29. an anti-shake driving coil; 30. a string wire part; 31. arc transitional coupling.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

As shown in fig. 1-2, the upper reed according to one embodiment of the present utility model comprises: a plane part 8, a bending part 14 and a bending connection part 13, wherein the bending connection part 13 connects the plane part 8 and the bending part 14;

the plane part 8 comprises a first carrier fixed end 9 for being connected with the first carrier 3 of the camera driving device, a second carrier fixed end 10 for being connected with the second carrier 4 of the camera driving device, and a base fixed end 11 connected with a base retaining wall 23 of the camera driving device;

the bending part 14 comprises a frame fixing part 15, a frame swinging part 16 and an inner swinging part 18 arranged between the frame fixing part 15 and the frame swinging part 16, wherein the lower end of the frame swinging part 16 is provided with a damping rubber inserting part 17, the inner swinging part 18 is provided with a Y-shaped wire frame structure formed by continuous bending, one end of the lower part of the inner swinging part 18 is connected with the frame fixing part 7, and the other end of the lower part of the inner swinging part 9 is connected with the frame swinging part 8 at the upper end of the damping rubber inserting part 10; the damping gel insertion part 10 is used for being inserted into a damping groove 22 of a base 7 of the camera driving device, and the damping groove 22 stores damping gel therein.

Specifically, the upper reed 11 includes a plane part 8, a bending part 14 and a bending connection part 13, the plane part 8 is provided with a first carrier fixing end 9, a second carrier fixing end 10 and a base fixing end 11 which are respectively fixed with the first carrier 3, the second carrier 4 and the base retaining wall 23; the frame fixing part 15 of the bending part 14 hardly moves and only plays a role in connection and support, the frame swinging part 16 can swing along with the movement of the second carrier 4, the lower end of the inner swinging part 18 is provided with a damping rubber inserting part 17, the inner swinging part 18 is arranged between the frame fixing part 15 and the frame swinging part 16, the inner swinging part 18 is provided with a Y-shaped line frame-shaped structure formed by continuous bending, one end of the lower part of the inner swinging part 18 is connected with the frame fixing part 15, the other end of the lower part of the inner swinging part is connected with the frame swinging part 16 at the upper end of the damping rubber inserting part 17, the damping rubber inserting part 17 enables the lower end of the bending part 14 to form an asymmetric structure of a single claw at one side, the inner swinging part 18 can move along with the frame swinging part 16, the damping rubber inserting part 17 can move along with the frame swinging part 16, when the driving device performs focusing and shifting compensation, the damping rubber can play a role in vibration inhibition, the damping rubber inserting part 17 can play a role in buffering, the anti-shake performance is improved, the damping rubber is harder after being irradiated, the mechanical impact is easy to enable the damping rubber to be broken off, and the upper part is singly inserted into the reed to reduce the mechanical impact force of the reed; the present spring wire has great variation in K value stress, and the present spring wire has adjustable length and width of the damping rubber inserting part 17 to control the combination state with damping rubber.

In this embodiment, as shown in fig. 1 and 6, the upper reed is two and symmetrically arranged, each upper reed includes two first carrier fixing ends 9, four second carrier fixing ends 10, and two base fixing ends 11, the bending portion 14 corresponds to the position of the damping groove 22 on the base 7, and the damping groove 22 is located at four corners of the bottom plate 24 of the base 7.

In this embodiment, as shown in fig. 1, the planar portion 8 further includes a string portion 30, and the string portion 30 is disposed between the first carrier-fixed end 9 and the second carrier-fixed end 10. The two adjacent first carrier fixing ends 9 are connected through an arc transition connecting part 31.

In this embodiment, as shown in fig. 1 and 2, one end of the bending connection portion 13 is connected to the planar portion 8, and the other end is connected to the upper end of the frame fixing portion 15 and the upper end of the frame swinging portion 16, respectively.

In this embodiment, as shown in fig. 1 and 9, the planar portion 8 is provided with an electrical connection terminal 12 connected to a focus drive coil 28 of the imaging drive apparatus.

As shown in fig. 3 to 11, an image pickup driving apparatus according to another embodiment of the present utility model includes: the protective shell 1 and the base 7 are mutually buckled to form a cavity, and an optical element 25, a reed component, a first carrier 3, a second carrier 4, a focusing driving component and an anti-shake driving component are arranged in the cavity; the protection 1 part is provided with a through hole, the optical element 25 passes through the through hole, the bottom of the optical element 25 is fixed with the first carrier 3, four corners of the base 7 are respectively provided with a damping groove 22 for storing damping glue, the side of the damping groove 22 of the base 7 is provided with a base retaining wall 23, the reed assembly comprises an upper reed 2 and a lower reed 5 as described above, the upper reed 2 is respectively connected with the top surface of the first carrier 3, the top surface of the second carrier 4 and the top surface of the base retaining wall 23, the lower reed 5 is respectively connected with the bottom surface of the first carrier 3 and the bottom surface of the second carrier 4, the focusing driving assembly is used for driving the optical element 25 and the first carrier 3 to move along the Z-axis direction, and the anti-shake driving assembly is used for driving the optical element 25, the first carrier 3 and the second carrier 4 to move along the X, Y-axis direction.

Specifically, as shown in fig. 4, 5 and 8, the focusing driving assembly includes a focusing driving coil 28 and a magnet assembly 6, an annular groove for embedding the focusing driving coil 28 is formed in the outer periphery of the first carrier 3, the focusing driving coil 28 is sleeved in the annular groove in the outer periphery of the first carrier 3, the magnet assembly 6 includes two pairs of magnets which are mutually perpendicular in a horizontal plane, and an installation groove for embedding the magnets is formed in the inner side wall of the second carrier 4. In the horizontal direction, the focus drive coil 28 and the magnet assembly 6 correspond in position to each other. The anti-shake driving assembly comprises an anti-shake driving assembly 29 and a magnet assembly 6, wherein the anti-shake driving assembly 29 is an integrated flat coil and is fixed on the upper surface of the bottom plate 24 of the base 7. In the vertical direction, the anti-shake driving coil 29 corresponds to the position of the magnet assembly 6.

In this embodiment, as shown in fig. 9 and 10, the top surface of the first carrier 3, the top surface of the second carrier 4, and the top surface of the base retaining wall 23 are respectively provided with an upper reed fixing column connected with the upper reed 2; the bottom of the first carrier 3 and the bottom of the second carrier 4 are respectively provided with a lower reed fixing column connected with the lower reed.

In this embodiment, as shown in fig. 6 and 11, the base 7 further includes a bottom plate 24, metal reinforcement members 21 are disposed in the base retaining wall 23 and the bottom plate 24, the top surface of the base retaining wall 23 is provided with exposed ends 20 of the metal reinforcement members 21, the planar portion 8 of the upper reed 2 is provided with an electrical connection end 12 for electrically connecting with the focus driving coil 28, and the upper reed 2 is electrically connected with the metal reinforcement members 21 through the exposed ends 20. The metal reinforcement 21 is disposed in both the bottom plate 24 and the base retaining wall 23, and the anti-shake driving coil 29 is electrically connected to the metal reinforcement 21 in the bottom plate 24.

In this embodiment, as shown in fig. 7, the camera driving device further includes a closed loop assembly 19, the closed loop assembly 19 is disposed in the base 7 and electrically connected with the metal stiffener 21, and the closed loop assembly 19 includes an anti-shake displacement sensor and a focusing displacement sensor for sensing, feeding back and adjusting the focusing movement condition and the anti-shake movement condition of the optical element 25. When the closed-loop control device works, an external power supply transmits an electric signal to the metal reinforcement 21, the electric signal is transmitted to the closed-loop assembly 19 through the metal reinforcement 21 in the bottom plate 24, and the closed-loop assembly 19 can detect and feed back the movement conditions of the optical element 25, the first carrier 3 and the second carrier 4 along the X, Y, Z direction after being electrified, so that the closed-loop control function is realized.

The working principle of the image pickup driving device of the present embodiment is as follows: the external power supply transmits an electric signal to the metal reinforcement 21, the electric signal is transmitted to the focusing driving coil 28 through the exposed end 20, the bending part 14, the plane part 8 and the electric connection end 12 respectively, and after the focusing driving coil 28 is electrified, lorentz force is generated by interaction with the magnet assembly 6, so that the optical element 25 and the first carrier 3 are driven to perform focusing movement along the Z direction.

The external power supply transmits an electric signal to the metal reinforcement 21, the electric signal is transmitted to the anti-shake driving coil 29 through the metal reinforcement 21 in the base 7, and after the anti-shake driving coil 29 is electrified, the electric signal interacts with the magnet assembly 6 to generate Lorentz force, so that the optical element 25, the first carrier 3 and the second carrier 4 are driven to perform anti-shake movement along the X, Y direction

The upper reed 2 of the camera shooting driving device of the embodiment adopts a single damping glue inserting part 17 to insert damping glue, so that the stress of the whole reed is reduced, and the problems that the damping glue is harder after irradiation and the reed is easy to break are solved. The thickness and the length of the damping rubber inserting part 17 of the upper reed 2 are adjusted, so that the K value stress of the whole reed wire structure is not changed, the purpose of controlling the combination state of the damping rubber is achieved, and the anti-shake effect is improved.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (10)

1. An upper reed, comprising: a planar portion (8), a bent portion (14), and a bent connection portion (13) connecting the planar portion (8) and the bent portion (14);

the plane part (8) comprises a first carrier fixed end (9) used for being connected with a first carrier (3) of the camera driving device, a second carrier fixed end (10) used for being connected with a second carrier (4) of the camera driving device, and a base fixed end (11) connected with a base (7) of the camera driving device;

the bending part (14) comprises a frame fixing part (15) and a frame swinging part (16), and an inner swinging part (18) arranged between the frame fixing part (15) and the frame swinging part (16), wherein a damping glue inserting part (17) is arranged at the lower end of the frame swinging part (16), a Y-shaped wire frame-shaped structure formed by continuous bending is arranged at the inner swinging part (18), one end of the lower part of the inner swinging part (18) is connected with the frame fixing part (15), and the other end of the lower part of the inner swinging part (18) is connected with the frame swinging part (16) at the upper end of the damping glue inserting part (17); the damping glue inserting part (17) is used for being inserted into a damping groove (22) on a base (7) of the camera shooting driving device, and the damping groove (22) stores damping glue.

2. Upper reed according to claim 1, characterized in that the upper reed is two and symmetrically arranged, each upper reed comprises two first carrier fixing ends (9), four second carrier fixing ends (10) and two base fixing ends (11), and the bending part (14) corresponds to the position of the damping groove (22) on the base (7).

3. Upper reed according to claim 1, characterized in that the planar portion (8) comprises a string portion (30), the string portion (30) being arranged between the first carrier-fixed end (9) and the second carrier-fixed end (10).

4. Upper reed according to claim 1, characterized in that the bent connection portion (13) has one end connected to the planar portion (8) and the other end connected to the upper end of the frame fixing portion (15) and the upper end of the frame swinging portion (16), respectively.

5. Upper reed according to claim 1, characterized in that the planar portion (8) is provided with an electrical connection (12) to a focus drive coil (28) of an imaging drive.

6. Upper reed according to claim 1, characterized in that two adjacent first carrier-fixed ends (9) are connected by an arc-shaped transitional connection (31).

7. An image pickup drive apparatus, comprising: a protective shell (1) and a base (7) which are mutually buckled to form a cavity, wherein an optical element (25), a reed component, a first carrier (3), a second carrier (4), a focusing driving component and an anti-shake driving component are arranged in the cavity;

the utility model provides a protective housing (1) top is equipped with the through-hole, optical element (25) pass the through-hole, optical element (25) with first carrier (3) are fixed, the four corners position of base (7) is equipped with damping groove (22) that are used for storing damping glue respectively, the side of damping groove (22) of base (7) is equipped with base barricade (23), the reed subassembly includes upper reed (2) and lower reed (5) of any one of claims 1-6, upper reed (2) respectively with first carrier (3) second carrier (4) base barricade (23) are connected, lower reed (5) respectively with first carrier (3) second carrier (4) are connected, focus actuating assembly is used for driving optical element (25) with first carrier (3) are along Z axial direction removal, anti-shake actuating assembly is used for driving optical element (25) first carrier (3) with second carrier (X, Y) are along the axial direction removal.

8. The image pickup drive apparatus according to claim 7, wherein a top surface of the first carrier (3), a top surface of the second carrier (4), and a top surface of the base retaining wall (23) are respectively provided with an upper reed fixing column connected with the upper reed (2); the bottom of the first carrier (3) and the bottom of the second carrier (4) are respectively provided with a lower reed fixing column connected with the lower reed (5).

9. The camera driving device according to claim 7, wherein the base (7) further comprises a bottom plate (24), metal reinforcements (21) are arranged in the base retaining wall (23) and the bottom plate (24), the exposed ends (20) of the metal reinforcements (21) are arranged on the top surface of the base retaining wall (23), and the upper reed (2) is electrically connected with the metal reinforcements (21) through the exposed ends (20).

10. The camera driving device according to claim 9, further comprising a closed loop assembly (19), the closed loop assembly (19) being disposed within the base (7) and being electrically connected to the metal stiffener (21).