CN210038296U - Base embedded metal sheet for periscopic lens driving device - Google Patents

Abstract

The utility model discloses an embedded sheetmetal of base for periscopic camera lens drive arrangement. The periscopic lens driving device comprises a shell, an upper driving part, a lower driving part, a base, a ball, a protective sheet, a carrier and a metal sheet embedded in the base. Be provided with ball and protection piece between carrier and the base, four bights of base are provided with the ball mounting groove, and the ball is arranged in the ball mounting groove. The embedded metal sheet of base includes the rectangle main part to four bights in the rectangle main part are equipped with protruding piece, and in this protruding piece and the ball mounting groove cooperation on the base and stretched into the ball mounting groove, the ball was arranged in on the protruding piece. The utility model discloses an embedded sheetmetal of base combines periscopic camera lens drive arrangement to use for periscopic camera lens drive arrangement can adopt the mode that the ball combines the protection sheetmetal to support and the structure is reinforceed, simple structure, reduces required spare part, and the reliability is strengthened.

Description

Base embedded metal sheet for periscopic lens driving device

Technical Field

The utility model relates to an optics field of making a video recording, concretely relates to embedded sheetmetal of base for periscopic camera lens drive arrangement.

Background

The existing periscopic lens component usually adopts a suspension wire structure, however, the suspension wire structure has high assembly difficulty and low reliability, and the suspension wire is easy to damage when being collided to cause the failure of the whole part.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an embedded sheetmetal of base for periscopic camera lens drive arrangement to solve the problem that exists among the above-mentioned prior art.

In order to solve the above problems, according to an aspect of the present invention, there is provided a base-embedded metal sheet for a periscopic lens driving apparatus, the periscopic lens driving apparatus including a housing, an upper driving part, a lower driving part, a base, balls, a protection sheet, a carrier, and a base-embedded metal sheet, the upper driving part being disposed above the carrier and driving the carrier to move in a direction of an optical axis so as to implement an optical zoom function, the lower driving part being disposed below the carrier and driving the carrier to move in a direction perpendicular to the optical axis so as to implement an anti-shake function, the balls and the protection sheet being disposed between the carrier and the base, four corners of the base being provided with ball mounting grooves in which the balls are disposed,

the embedded metal sheet of base includes the rectangle main part, and four bights of rectangle main part are equipped with protruding piece, protruding piece with ball mounting groove cooperation on the base stretches into in the ball mounting groove, the ball is arranged in on the protruding piece.

In one embodiment, the tab includes a vertical portion integrally formed extending upward from a side of the rectangular body and a horizontal portion integrally formed extending outward from the vertical portion.

In one embodiment, the side part of the base is provided with an avoiding groove, and the front part of the metal sheet embedded in the base is provided with a convex part which is matched and installed in the avoiding groove of the base.

In one embodiment, the periscopic lens driving device further comprises a second sensor, the base embedded metal sheet is further provided with a first through hole behind the protruding portion, and when the second sensor is mounted on the base, the first through hole is located below the second sensor.

In one embodiment, the metal sheet embedded in the base is further provided with a second through hole on each of two sides of the first through hole, and when the lower coil is mounted on the base, the first through hole and the second through hole are located below the lower coil.

In one embodiment, a third through hole is formed in the middle of the metal sheet embedded in the base, and the position of the third through hole corresponds to the position of the lens bearing part mounting part on the base.

In one embodiment, the metal sheet embedded in the base is further provided with a fourth through hole in front of the third through hole along the optical axis direction, and when the carrier is mounted on the base, the fourth through hole is located in front of the lens bearing portion.

In one embodiment, a rear portion of the third through hole protrudes rearward, and the protruding portion corresponds to a lower circuit board positioning boss of the chassis.

In one embodiment, a fifth through hole is further formed in the rear portion of the metal sheet embedded in the base, and when the other lower coil is mounted on the base, the fifth through hole is located below the other lower coil.

In one embodiment, the height of the vertical part of the protruding piece is matched with the depth of the ball mounting groove on the base, and when the metal sheet embedded in the base is mounted in the base, the horizontal part of the protruding piece is positioned at the bottom of the ball mounting groove.

The utility model provides an embedded sheetmetal of base for periscopic lens drive arrangement combines periscopic lens drive arrangement to use for periscopic lens drive arrangement adopts the mode that the ball combines the protection sheetmetal to support and the structure is reinforceed, and simple structure has reduced required spare part, and the reliability is strengthened greatly simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a periscopic lens driving structure.

Fig. 2 is an exploded perspective view of a periscopic lens driving apparatus according to an embodiment of the present invention.

Fig. 3 is an exploded perspective view of an upper drive portion according to an embodiment of the present invention.

Fig. 4 is a perspective view of a carrier according to an embodiment of the present invention.

Fig. 5 is a bottom view of the carrier of fig. 4.

Fig. 6 is an exploded view of the lower drive portion of an embodiment of the present invention.

Fig. 7 is a perspective view of a base according to an embodiment of the present invention.

Fig. 8 is a perspective view of a metal sheet embedded in a base according to an embodiment of the present invention.

Fig. 9 is an exploded perspective view of a carrier, a lower driving portion, and a base assembly of a lens driving apparatus according to an embodiment of the present invention.

Fig. 10 is an exploded perspective view of the upper driving part, the carrier, the lower driving part, the base and other components of the lens driving apparatus according to an embodiment of the present invention.

Fig. 11 is a sectional view of the lens driving apparatus according to an embodiment of the present invention after assembly.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solution of the invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

The utility model relates to a periscopic lens structure generally. The periscopic lens structure will be briefly described with reference to fig. 1.

Fig. 1 is a schematic structural diagram of a periscopic lens driving structure. As shown in fig. 1, the periscopic lens structure generally includes two parts, i.e., a periscopic part 100 and a prism part 200. In which a prism section 200 is provided at the front end of the periscopic section 100 and an imaging chip 300 is provided at the rear end of the periscopic section 100. The light is reflected into the periscopic portion 100 through the prism portion 200, and the periscopic portion 100 includes an AF portion responsible for performing an optical zoom function and an OIS portion responsible for an anti-shake function, but the OIS portion of the periscopic portion is responsible for an anti-shake function only along one axis X perpendicular to the optical axis Z direction, and the OIS portion of the prism portion is responsible for an anti-shake function on the X axis perpendicular to both the Z axis and the Y axis.

The embodiments referred to below are described primarily with respect to periscope portion 100.

The periscopic part 100, also referred to as a periscopic lens driving apparatus in the present invention, generally includes a housing, an upper driving part, a carrier, a lower driving part, a base, a ball, and a protective sheet. The carrier is used for installing the camera lens and has injectd the axis along camera lens optical axis direction, thereby goes up drive part and sets up in the carrier top and drive the carrier along the axis direction motion of optical axis and realize the optics function of zooming, thereby lower drive part sets up in the carrier below and drive the carrier along the axis direction motion of perpendicular to optical axis and realize the anti-shake function, and is provided with ball and protection piece between carrier and the base, plays the effect that supports and bear the carrier. The upper driving part, the carrier, the lower driving part, the ball and the protective sheet are all packaged in a space defined by the base and the shell.

The utility model discloses a periscopic camera lens drive arrangement simple structure has reduced required spare part, adopts the ball structure to replace the suspension wire structure, and the reliability is strengthened, and carrier groove all has the sheetmetal, and the equipment of the magnetite of being convenient for, magnetite have the metal iron sheet, play the effect in strengthening magnetic field.

The periscopic lens driving apparatus 100 of the present invention is described in detail below with reference to the drawings.

Fig. 2 is an exploded perspective view of a periscopic lens driving apparatus 100 (hereinafter, referred to as a lens driving apparatus 100) according to an embodiment of the present invention, and as shown in fig. 2, the lens driving apparatus 100 includes a housing 10, an upper driving portion 20, a carrier 30, a lower driving portion 40, a base 50, balls 72, and a protective sheet 71. The carrier 30 is used for mounting a lens (not shown) and defines an axis along the optical axis direction of the lens, the upper driving part 20 is disposed above the carrier 30 and drives the carrier 30 to move along the axial direction of the optical axis so as to implement an optical zooming function, the lower driving part 40 is disposed below the carrier 30 and drives the carrier 30 to move along the axial direction perpendicular to the optical axis so as to implement an anti-shake function, and balls 72 and a protective sheet 71 are disposed between the carrier 30 and the base 50 so as to support and carry the carrier 30. The upper driving part 20, the carrier 30, the lower driving part 40, the balls 72, and the guard plate 71 are enclosed in a space defined by the base 50 and the housing 10.

Fig. 3 is an exploded perspective view of the upper driving part 20 according to an embodiment of the present invention. As shown in fig. 2, the upper driving part 20 includes an upper circuit board 21, a frame 23, an upper coil 22 and an upper magnet 24, the upper circuit board 21 is disposed above the frame 23, the upper magnet 24 is disposed on the upper surface of the carrier 30, and the upper coil 22 is disposed at the bottom of the upper circuit board 21 and cooperates with the upper magnet 24 to drive the carrier 30 to move along the optical axis direction when the upper coil 22 is powered on, so as to implement the optical zoom function.

In one embodiment, the upper driving part 20 further includes an upper metal sheet 25, the upper metal sheet 25 is disposed on a lower surface of the upper magnet 24, and the upper metal sheet 25 is located between the lower surface of the upper magnet 24 and an upper surface of the carrier 30 when the upper magnet 24 is mounted on the carrier 30. In operation, the carrier 30 is driven by applying a current to the upper coil 22 of the upper circuit board 21 to electromagnetically interact directly with the upper magnet 24 on the carrier 30, thereby implementing an optical zoom function. In the process, the upper metal sheet 25 serves to reinforce the magnetic field.

Fig. 4 is a perspective view of a carrier 30 according to an embodiment of the present invention, and fig. 5 is a bottom view of the carrier 30 according to an embodiment of the present invention. As shown in fig. 4 to 5, the carrier includes a lens bearing portion 31 and first and second side portions 32 and 33 located on both sides of the lens bearing portion 31, the lens bearing portion 31 is provided with a lens mounting hole 311 extending in the optical axis direction, and the upper surfaces of the first and second side portions 32 and 33 are provided with upper magnet mounting grooves 34 for accommodating the upper magnets 24.

With continued reference to fig. 5, both ends of the lower surfaces of the first and second side portions 32 and 33 of the carrier 30 are provided with a shield metal sheet mounting groove 35 for mounting the shield metal sheet 71 and cooperating with the ball 20. Lower magnet mounting portions 36 are also provided at both ends of the lower surfaces of the first side portion 31 and the second side portion 33, respectively, and are provided closely adjacent to the inner sides of the shield metal sheet mounting grooves 35. The lower surfaces of the first side portion 32 and the second side portion 33 are further provided with sensor magnet mounting portions 37, and the sensor magnet mounting portions 37 are provided between the two lower magnet mounting portions 36 of the same side portion.

Referring back to fig. 2 and 4, the right edge of the upper circuit board 21 shown in fig. 2 is provided with a side portion 26 integrally extending downward, and the side portion 26 may be lined with, for example, a flat cable to communicate the upper circuit board with the lower circuit board. To this end, the outer side of the second side 33 of the carrier 30 is provided with a recess 38 which cooperates with the side 26 of the upper circuit board 21. When mounted in place, the side 26 of the upper circuit board 21 is received in the recess 38.

In one embodiment, the first side 32 and the second side 33 are symmetrically arranged with respect to the lens carrying portion 31.

With continued reference to fig. 3-4, the first side portion 32 and the second side portion 33 extend beyond the lens carrying portion 31 at both ends of the lens carrying portion in the optical axis direction, so that the lens carrying portion 31 forms an i-shaped structure with the first side portion 32 and the second side portion 33 located at both sides of the lens carrying portion 31.

In one embodiment, the upper driving part 20 includes two upper magnets 24, the upper surfaces of the first side part 32 and the second side part 33 are each provided with one upper magnet mounting groove 34, and the upper magnet mounting grooves of the upper surface of the first side part and the upper magnet mounting grooves of the upper surface of the second side part are also arranged symmetrically with respect to the lens carrying part 31.

In one embodiment, one protective sheet metal mounting groove 35 is provided at each of four corners of the lower surface of the carrier 30, and one lower magnet mounting portion 36 is provided adjacent to the inside of the protective sheet metal mounting groove 35. One sensor magnet mounting groove 37 is provided at each of the middle portions of the lower surfaces of the first side portion 32 and the second side portion 33, and the sensor magnet mounting grooves 37 are arranged symmetrically with respect to the lens carrying section 31.

Referring back to fig. 3, the thickness of the lens bearing portion 31 of the carrier 30 is greater than the thickness of the first and second side portions 32 and 33, so that the upper and lower surfaces of the lens bearing portion 31 protrude upward and downward, respectively, to cooperate with the frame 23 of the upper driving portion 20 and with the mount 50.

Fig. 6 is an exploded view of the lower drive portion of an embodiment of the present invention. As shown in fig. 6, the lower driving part 40 includes a lower circuit board 43, a lower magnet 41 and a lower coil 42, the lower circuit board 43 is disposed on the base 50, the lower magnet 41 is disposed at the bottom of the carrier 30, and specifically, the lower magnet 41 is disposed in the lower magnet mounting groove 36 of the carrier 30. The lower coil 42 is disposed on the base 50 and cooperates with the lower magnet 41 to drive the carrier 30 to move in a direction perpendicular to the optical axis when the lower coil 42 is energized, thereby achieving an anti-shake function.

In one embodiment, the lower driving part 40 further includes a lower metal sheet 44, the lower metal sheet 44 is disposed on an upper surface of the lower magnet 41, and the lower metal sheet 44 is disposed between the upper surface of the lower magnet 41 and a lower surface of the carrier 30 when the carrier 30 is mounted on the base 50.

Referring back to fig. 1, the lens driving apparatus further includes sensors 81 and 82 and a sensor magnet 83, the sensors 81 and 82 are disposed on the base 50 and disposed in a space defined by the lower coil 42, the sensor magnet 83 is fixedly disposed at the bottom of the carrier 30 and corresponds to positions of the sensors 81 and 82, and the sensors 81 and 82 are connected to a control module (not shown), such as a mobile phone control module, and detect a displacement of the carrier 30 by detecting a displacement of the sensor magnet 83. As will be described in more detail below.

Referring back to fig. 1 in combination with fig. 6, the lower driving portion 40 includes four lower magnets 41 and two lower coils 42, the two lower coils 42 are oppositely disposed on the upper surface of the base 50 (described in detail below), the sensors include a first sensor 81 and a second sensor 82, the first sensor 81 and the second sensor 82 are respectively disposed in the two lower coils 42, specifically, the first sensor 81 is disposed in the left lower coil 42 in the drawing, the second sensor is disposed in the right lower coil 42, a sensor magnet 83 is disposed between the two magnets 41 on the same side and respectively corresponds to the first sensor 81 and the second sensor 82, and the first sensor 81 and the second sensor 82 respectively detect displacements of the carrier 30 in the optical axis direction and the direction perpendicular to the optical axis.

In operation, the first sensor 81 is connected to a control module (not shown), such as a mobile phone control module, and is associated with the upper coil 22, so as to move the carrier 30 in the optical axis direction and perform an optical zoom function. The second sensor 82 is connected to a control module (not shown), such as a mobile phone control module, and is associated with the lower coil 42, thereby enabling movement of the carrier 30 in a direction perpendicular to the optical axis and an anti-shake function.

A base for a periscopic lens driving apparatus according to an embodiment of the present invention is described in detail below with reference to fig. 7.

Fig. 7 is a perspective view of a base 50 according to an embodiment of the present invention. As shown in fig. 7, the base 50 has a rectangular body, four corners of the upper surface of the rectangular body are provided with the protrusions 51, the protrusions 51 are provided with the ball mounting grooves 52, one ball 72 is disposed inside each of the ball mounting grooves 52, one metal guard 71 is disposed in each of the guard mounting grooves 35 on the four corners of the bottom surface of the carrier 30, and the metal guard 71 is located above the ball 72 when the carrier 30 is mounted on the base 50.

The right side of the base 50 shown in fig. 7 is open, and an escape groove 54 of the upper circuit board bent portion 27 is provided on the right side portion. When the upper circuit board 21 is mounted in place, the bent portions 27 of the side portions 26 of the upper circuit board 21 are caught in the escape grooves 54. One lower coil mounting portion 53 is formed between the two projecting portions 51 of the base 50 on the side where the escape groove 54 is located, and the other coil mounting portion 53 is formed between the two projecting portions 51 on the other side where the escape groove 54 is located. The two coils 42 are mounted in the two coil mounting portions 53, respectively.

With continued reference to fig. 7, a sensor magnet mounting site 55 is formed in the middle of each coil mounting portion 53. When the coil 42 is mounted in the coil mounting portion 53, the sensor is mounted on the coil mounting site 55 and is confined within the coil 42. The base 50 is further provided with a lower circuit board positioning boss 58 at a position adjacent to the left coil mounting position 53 for positioning the lower circuit board 43 when the lower circuit board 43 is mounted.

Referring to fig. 11, the height of the projection 51 is set to match the height of the coil 42, and the projection 51 is positioned on the same plane as the upper surface of the coil 42 when the coil 42 is mounted on the coil mounting part 53.

In one embodiment, the protrusion 51 is a rectangular protrusion, and the ball mounting groove 52 provided thereon is also a rectangular mounting groove. The four corners of the base insert metal piece 60 are provided with the protruding pieces 61, and the shape and size of the ball mounting groove 52 match with the shape and size of the protruding pieces 61, so that when the base insert metal piece 60 is mounted on the base 50, the protruding pieces 61 are accommodated in the ball mounting groove 52. Thus, when the balls 72 are mounted in the ball mounting grooves 52, the balls 72 are positioned above the protruding pieces 61.

A lens mount portion 56 is formed in the middle of the chassis 50, the lens mount portion 56 is located between the two coil mount portions 53 and extends in the optical axis direction, and a large ventilation hole 57 is formed in the bottom of the lens mount portion 56. The base 50 is also provided with a plurality of injection holes for relieving internal stress during injection molding, thereby preventing the base from being broken.

Referring back to fig. 1, the lens driving apparatus 100 further includes a base embedded metal sheet 60, and fig. 8 is a perspective view of the base embedded metal sheet 60 according to an embodiment of the present invention. The metal sheet embedded in the base of the present invention will be described in detail with reference to fig. 8.

As shown in fig. 8, a base insert metal sheet 60 is provided on the base 50. The base-embedded metal sheet 60 includes a rectangular main body, the four corners of the rectangular main body are provided with protruding pieces 61, the protruding pieces 61 extend into the ball mounting grooves 52 on the base 50, and the balls 72 are disposed in the ball mounting grooves 52 and on the protruding pieces 61. In this way, the bottom of the ball 72 is provided with the metal projecting piece 61, and the upper part of the ball 72 is provided with the metal guard piece 71.

The protruding piece 61 includes a vertical portion 611 and a horizontal portion 612, the vertical portion 611 being formed extending integrally upward from the side of the rectangular main body, and the horizontal portion 612 being formed extending integrally outward from the vertical portion 611. The height of the vertical portion 611 matches the depth of the ball mounting groove 52 on the base 50. As shown in fig. 11, when the base insert metallic sheet 60 is mounted in the base 50, the horizontal portion 611 of the projection piece 61 is located at the bottom of the ball mounting groove 52.

Referring to fig. 7, 8 and 9, the side of the base insert metal sheet 60 is provided with a protrusion 62, and the protrusion 62 is fittingly installed in the escape groove 54 of the base 50.

A first through hole 64 is also provided behind the projection 62, and when the second sensor 82 is mounted on the base 50, the first through hole 64 is located below the second sensor 82. A second through hole 65 is disposed on each of two sides of the first through hole 64, and when the lower coil 42 is mounted on the base 50, the first through hole 64 and the second through hole 65 are located below the lower coil. The middle part of the base embedded metal sheet 60 is also provided with a third through hole 63, and the position of the third through hole 63 corresponds to the position of the lens bearing part installation part 56 on the base. A fourth through hole 67 is further disposed in front of the third through hole 63 along the optical axis direction, and when the carrier 30 is mounted on the base, the lens carrying portion 31 is located above the third through hole 63, and the fourth through hole 67 is located in front of the lens carrying portion 31.

With continued reference to fig. 8, the illustrated left side of the third through hole 63 projects outwardly to form a projecting portion 68, which projecting portion 68 corresponds to the lower circuit board positioning boss 58 of the chassis 50. The base insert metal sheet 60 is further provided with fifth through holes 66 at portions thereof near both sides of the protruding portion 68, and when another lower coil 42 (the lower coil on the left side) is mounted on the base, the fifth through holes 66 are located below the lower coil 42.

The base embedded metal sheet 60 is used in combination with the base 50, not only enhancing the structural strength of the base 50, but also enhancing the strength of the ball mounting groove, so that the balls can roll freely in the ball mounting groove smoothly and stably.

Fig. 9 is an exploded perspective view of a carrier, a lower driving part, and a base assembly of the lens driving device 100, fig. 10 is an exploded perspective view of an upper driving part, a carrier, a lower driving part, a base, and the like of the lens driving device 100, and fig. 11 is an assembled sectional view of the lens driving device 100.

As shown in fig. 9 to 11, the base insert metal sheet 60 is installed in the base 50, the protrusion piece 61 of the base insert metal sheet is received in the ball installation groove 52 of the base 50, the lower circuit board 43 is installed on the upper surface of the base 50, the lower coil 42 is installed on the base 50, the first sensor 81 is installed in the lower coil 42 on the left side in the drawing, the second sensor 82 is installed in the lower coil 42 on the right side, and the ball 72 is installed in the ball installation groove 52 and disposed on the upper surface of the protrusion piece 61. The four lower magnets 41 are installed in the lower magnet installation grooves 36 on the lower surface of the carrier 30, and lower magnet pieces 44 are provided on the upper surface of the lower magnets 41 to reinforce the magnetic field. The sensor magnet 84 is installed in the sensor magnet installation groove 37 on the lower surface of the carrier 30, and optionally, a sensor magnet piece may be provided on the upper surface of the sensor magnet 84, thereby functioning to reinforce the magnetic field.

The metal guard 71 is mounted in the metal guard mounting groove 35 on the lower surface of the carrier 30. The carrier 30 is then mounted on the base 50 with the two left lower magnets 41 positioned on the left coil 42, the two right lower magnets 41 positioned on the side lower coil 42, the left sensor magnet 84 positioned above the first sensor 81, and the right sensor magnet 84 positioned above the second sensor 82.

The upper magnet 24 is mounted in the upper magnet mounting groove 34 of the carrier 30, and optionally an upper magnet piece 25 is padded on the lower surface of the upper magnet 24. The upper circuit board 21 is mounted on a frame 23, the upper coil 22 is mounted on the bottom of the upper circuit board 21 and defined by the frame 23, and the frame 23 and the upper circuit board 21 are mounted on the carrier 30. The upper coil 22 is located above the upper magnet 24. The side portions 26 of the upper circuit board 21 are received in the side recesses 38 of the carrier 30. The bent portion 27 of the side portion 26 is fit into the notch 431 of the lower circuit board 43 and is located on the base 50. Finally, the housing 10 is sealed from the top down in the space defined by the housing 10 and the base 50.

In one embodiment, the periscopic lens driving apparatus 100 may be used in a mobile phone to provide driving for a camera of the mobile phone. The first sensor 81 and the second sensor 82 are both in signal communication with the handset control module, the upper circuit board 21 is in communication with the upper coil 22 and connected to the handset power supply, and the lower circuit board 43 is in electrical communication with the lower coil 42 and connected to the handset power supply. The first sensor 81 is associated with the upper coil 22 and detects displacement of the carrier 30 along the optical axis direction, and transmits the information to the control module, and the control module controls current flowing in the upper coil 22, so as to drive the carrier 30 to move along the optical axis direction, thereby implementing the optical zoom function. The second sensor 82 is associated with the lower coil 42 and detects the position of the carrier 30 in the direction perpendicular to the optical axis and transmits this information to the control module, which controls the current flow in the lower coil 42, thereby driving the carrier to move in the direction perpendicular to the optical axis, and achieving the anti-shake function.

In the process, as the carrier 30 is mounted on the balls 72 and the metal protection sheet 71 and the protruding sheet 61 are respectively arranged at the bottom and the top of the balls 72, the carrier 30 is driven to roll when moving, so that the motion reliability of the carrier 30 is stronger, and the structure is more compact and robust.

In summary, the periscopic lens driving apparatus 100 of the present application has two independent modules for driving and controlling the movement in the optical axis direction and the direction perpendicular to the optical axis by the upper and lower circuit boards. Meanwhile, the support and the structure strengthening are carried out by combining the balls with the protective metal sheets, and corresponding independent sensors are arranged on the axes in the optical axis direction and the axis perpendicular to the optical axis direction for detection control. The structure is simple, and the required parts are reduced. And simultaneously, the reliability is greatly enhanced.

The preferred embodiments of the present invention have been described in detail, but it should be understood that various changes and modifications can be made by those skilled in the art after reading the above teaching of the present invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims (10)

1. A base embedded metal sheet for a periscopic lens driving device is characterized in that the periscopic lens driving device comprises a shell, an upper driving part, a lower driving part, a base, balls, a protective sheet, a carrier and a base embedded metal sheet, wherein the upper driving part is arranged above the carrier and drives the carrier to move along the direction of an optical axis so as to realize an optical zooming function, the lower driving part is arranged below the carrier and drives the carrier to move along the direction vertical to the optical axis so as to realize an anti-shake function, the balls and the protective sheet are arranged between the carrier and the base, ball mounting grooves are formed in four corners of the base, the balls are arranged in the ball mounting grooves,

the embedded metal sheet of base includes the rectangle main part, and four bights of rectangle main part are equipped with protruding piece, protruding piece with ball mounting groove cooperation on the base stretches into in the ball mounting groove, the ball is arranged in on the protruding piece.

2. The mount-embedded metal sheet for a periscopic lens driving apparatus according to claim 1, wherein the tab includes a vertical portion integrally formed extending upward from a side of the rectangular body and a horizontal portion integrally formed extending outward from the vertical portion.

3. The mount-embedded metal sheet for a periscopic lens driving device according to claim 1, wherein the side portion of the mount is provided with an avoidance groove, and the front portion of the mount-embedded metal sheet is provided with a projection which is fittingly mounted in the avoidance groove of the mount.

4. The mount-embedded metal sheet for a periscopic lens driving device according to claim 3, further comprising a second sensor, wherein the mount-embedded metal sheet is further provided with a first through hole behind the protrusion, and the first through hole is located below the second sensor when the second sensor is mounted on the mount.

5. The mount-embedded metal sheet for a periscopic lens driving device according to claim 4, wherein the mount-embedded metal sheet further has a second through hole on each side of the first through hole, and when the lower coil is mounted on the mount, the first through hole and the second through hole are located below the lower coil.

6. The mount-embedded metal sheet for a periscopic lens driving device according to claim 1, wherein a third through hole is provided in a middle portion of the mount-embedded metal sheet, and a position of the third through hole corresponds to a position of a lens bearing portion mounting portion on the mount.

7. The chassis-embedded metal sheet for a periscopic lens driving apparatus according to claim 6, wherein the chassis-embedded metal sheet further has a fourth through hole in front of the third through hole in the optical axis direction, and the fourth through hole is located in front of the lens bearing portion when the carrier is mounted on the chassis.

8. The mount-embedded metal sheet for a periscopic lens driving device according to claim 6, wherein the rear portion of the third through hole protrudes rearward, and the protruding portion corresponds to a lower circuit board positioning boss of the mount.

9. The mount-embedded metal sheet for a periscopic lens driving device according to claim 1, wherein a fifth through hole is further provided at a rear portion of the mount-embedded metal sheet, and the fifth through hole is located below another lower coil when the another lower coil is mounted on the mount.

10. The mount-embedded metal sheet for a periscopic lens driving device according to claim 2, wherein the height of the vertical portion of the protrusion sheet is matched with the depth of the ball mounting groove on the mount, and the horizontal portion of the protrusion sheet is located at the bottom of the ball mounting groove when the mount-embedded metal sheet is mounted in the mount.

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