JP6678071B2 - Lens drive - Google Patents

Description

  The present invention relates to a lens driving device, and more particularly to a lens driving device in which an end of a coil is connected to a leaf spring by solder or the like.

  Some portable electronic devices such as mobile phones and smartphones have a camera function. A lens used for photographing in these devices is driven by a lens driving device using a VCM (Voice Coil Motor). In the lens driving device, a lens holding member capable of holding the lens body is provided, a driving mechanism for moving the lens holding member along the optical axis direction, and a lens holding member movably supported in the optical axis direction. Biasing member is provided. A coil is provided in the drive mechanism, and a leaf spring is used as the biasing member. The coil is configured so that its end is soldered to a leaf spring.

  As a lens driving device in which the end of such a coil is soldered to a leaf spring, a lens driving device described in Patent Document 1 is known. Hereinafter, the lens driving device 900 described in Patent Document 1 will be described with reference to FIG.

  The lens driving device 900 moves the lens holding member 901, a leaf spring 902 movably supporting the lens holding member 901, a supporting member to which the leaf spring 902 is fixed, and the lens holding member 901 along the optical axis direction. And a moving mechanism including at least a magnet and a coil 905. At the lower part (Z2 side) of the lens holding member 901, there is provided a protruding portion 901a protruding downward (Z2 direction) from the leaf spring 902, and an end 905b of the coil 905 is wound around the protruding portion 901a. A joint 902a is provided on the spring 902, and the end 905b of the coil 905 and the joint 902a are soldered. The distance between the end portion 905b of the coil 905 wound around the projecting portion 901a and the joining portion 902a is larger on the distal end side of the projecting portion 901a than on the base side of the projecting portion 901a.

  With such a configuration, the lens driving device 900 can reliably solder the end portion 905b of the coil 905 to the leaf spring 902, and at the time of attaching the leaf spring 902 to the lens holding member 901, the two come into contact with each other. This has the effect that it can be prevented.

JP-A-2013-093322

  In the lens driving device 900, a wire of a coil 905 is wound around a protrusion 901a provided on a lens holding member 901. However, since the protruding portion 901a is formed in the shape of a prism having a plurality of corners, the wire of the coil 905 may break at the corners when an undesirably strong impact is applied due to dropping or the like. there were. In particular, the possibility that the wire of the coil 905 at the corner where the wire of the coil 905 starts to be wound is relatively high when a strong impact such as dropping is applied.

  The present invention has been made in view of such circumstances of the related art, and provides a lens driving device in which a wire of a coil is hardly disconnected even when a strong impact is applied to the lens driving device main body.

In order to solve the above-mentioned problem, a lens driving device according to the present invention has a cylindrical lens holding member capable of holding a lens body, and a part of which is fixed to the lens holding member and the lens holding member is movable in an optical axis direction. And a driving mechanism configured to have at least a magnet and a coil for moving the lens holding member along the optical axis direction, wherein the lens holding member includes a first corner portion. A prismatic protrusion having a plurality of corners is provided so as to protrude along the optical axis direction, and the coil has a coil body formed by winding a conductive wire around the outer periphery of the lens holding member, A winding portion in which the wire is wound around the protruding portion, and a winding portion located between the coil body portion and the winding portion, wherein the leaf spring is adjacent to the winding portion. The winding part In the lens driving device and the joint portion is joined by bonding material of the leaf spring, the lens holding member, the base portion is provided, a portion of the peripheral surface of the pedestal portion, the wire of the lead-out portion A guiding portion for guiding, wherein the projecting portion is provided on the pedestal portion, and the wire rod from the drawing portion to the winding portion is turned in the direction of the projecting portion by the guiding portion. Later, it is wound around the protruding portion to form the winding portion. In the winding portion, after contacting one side surface of the protruding portion, the direction is first changed at the first corner portion, and the other The first corner has an arc shape larger than the other corners, and the guide portion has an arc larger than the first corner. It has the characteristic that it has a shape .

  In the lens driving device configured as described above, the first corner portion of the projecting portion where the wire of the winding portion extending from the drawing portion first comes into contact has a gentle arc-shaped curved surface portion. Is added, the wire can be hardly cut at the first corner.

In addition , the wire is guided to the first corner through a guide portion having an arc shape larger than the curved surface of the first corner, and the first corner is gentler than the other corners of the protrusion. Since the wire has a curved surface, the wire is gradually changed in curvature from the coil body to the winding part, and the wire is guided.The stress is hardly applied to the wire, and the wire is harder to break. can do.

Further , since the protruding portion and the guide portion are adjacent to each other so as to be continuous, it is possible to prevent the wire from being disconnected between the protruding portion and the guide portion.

Further , since the projecting portion is provided on the pedestal portion, it is easy to wind the wire from the base of the projecting portion to form a winding portion.

  Further, in the above configuration, the protruding portion has a substantially quadrangular prism shape, and a part of the winding portion includes the wire rod and the protruding portion located between the first corner portion and the guide portion. , And is linearly held by the protruding portion, and the wire of the portion is joined to the leaf spring.

  In the lens driving device configured as described above, since the projecting portion has a substantially quadrangular prism shape, even if the first corner portion has a curved surface portion having a large arc shape, the wire material is applied to the projecting portion at another corner portion. Can be held properly. Further, since the linear winding portion located between the two corner portions different from the first corner portion is joined to the leaf spring, the joining with a joining material such as solder is also performed well.

  According to the lens driving device of the present invention, since the first corner of the projecting portion where the wire of the winding portion extending from the drawing portion first comes into contact has a gentle arc-shaped curved surface portion, a large impact is applied by dropping or the like. In this case, it is possible to make it difficult for the wire to be cut at the first corner.

FIG. 2 is an exploded perspective view showing each member constituting the lens driving device according to the embodiment of the present invention. FIG. 2 is a perspective view illustrating an appearance of a lens driving device. FIG. 3 is a perspective view illustrating an appearance of the lens driving device in a state where a yoke and a cover are removed. It is a perspective view of the lens holding member with which the coil and the leaf spring were attached. It is an enlarged perspective view of a lens holding member. It is an expansion perspective view of the lens holding member by which the wire of the coil was wound. It is an enlarged side view of the lens holding member to which the coil and the leaf spring were soldered. It is an expansion perspective view of the lens holding member to which the coil and the leaf spring were soldered. It is a side view which shows the lens holding member which wound the coil which concerns on a prior art example.

[Embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings. The lens driving device 100 according to the present embodiment is used as a VCM used for a camera built in a portable electronic device such as a mobile phone or a smartphone. The application of the lens driving device 100 according to the present embodiment is not limited to these, and can be appropriately changed.

  First, the overall configuration of the lens driving device 100 will be described with reference to FIGS. FIG. 1 is an exploded perspective view showing each member constituting the lens driving device 100, and FIG. 2 is a perspective view showing an appearance of the lens driving device 100. FIG. 3 is a perspective view showing the appearance of the lens driving device 100 with the yoke 56 and the cover 60 removed. FIG. 4 is a perspective view showing the lens holding member 20 with the coil 10 and the leaf spring 30 attached. It is a perspective view of. Note that FIG. 4 is drawn with the + Z direction on the lower side of the drawing, contrary to FIGS. 2 and 3.

  As shown in FIG. 1, the lens driving device 100 includes a base member 40 made of a synthetic resin material, a lens holding member 20 disposed above the base member 40, and a lens holding member 20 that is moved in the optical axis direction L1 (Z direction). ), A driving mechanism 50 having a yoke 56, a plurality of magnets 54, and a coil 10 for movably supporting the lens holding member 20 along the optical axis direction L1. A metal plate member 45 provided on the base member 40 and a cover 60 are provided.

  As shown in FIG. 2, the lens driving device 100 is formed in a substantially rectangular parallelepiped shape, and has a large opening formed in the center in the Z direction. The lens body as an external component can be held by the lens holding member 20 and can be driven in the optical axis direction L1 (Z direction) by the drive mechanism 50. In the lens driving device 100, a cover 60 made of a synthetic resin material is attached to protect the upper leaf spring 33.

  The yoke 56 constituting a part of the drive mechanism 50 is made of a metal plate material, and is formed in a rectangular shape in plan view with the Z direction open as shown in FIG. The yoke 56 has a top surface 56a with an opening formed in the center, and an annular outer wall portion 56b continuously forming the side surface of the yoke 56 from the outer periphery of the top surface 56a, and a continuous shape from the opening of the top surface 56a. Inside the outer wall 56b, there are four inner walls 56c (see FIG. 1) facing the corners of the outer wall 56b.

  The lens holding member 20 is made of a synthetic resin material, and is formed in a substantially cylindrical shape as shown in FIG. As shown in FIG. 4, the lens holding member 20 has a cylindrical portion 26 extending in the Z direction and formed in a cylindrical shape, and one end of the cylindrical portion 26 in the optical axis direction L1 has a cylindrical shape. A flange portion 24 is formed extending in the radial direction of the portion 26. The inside of the cylindrical portion 26 is a cylindrical lens holding portion 25 capable of holding a lens body as an external component. In the lens holding portion 25, a screw groove 25a to which a lens body can be attached is formed along the inner peripheral surface of the lens holding portion 25.

  As shown in FIG. 4, the coil 10 is formed by winding and bundling a substantially octagonal ring in plan view around a lens holding member 20 as shown in FIG. Is composed. By passing a current through the coil 10, the drive mechanism 50 shown in FIG. 2 can be driven to move the lens holding member 20 holding the lens body in the optical axis direction L1. The configuration of the coil 10 will be described later in detail.

  As shown in FIG. 3, the magnet 54 is formed in a substantially trapezoidal column shape in plan view. In the present embodiment, four magnets 54 are used, and the four magnets 54 are attached to the corners of the outer wall 56b of the yoke 56 shown in FIG. 2 with an adhesive. The magnet 54 is magnetized in a direction of a straight line perpendicular to the substantially trapezoidal surface on the short side and the surface on the long side (strictly, an arc surface).

  The leaf spring 30 and the upper leaf spring 33 are made of a conductive thin metal plate, and the leaf spring 30 and the upper leaf spring 33 are arranged facing each other with the lens holding member 20 interposed therebetween, as shown in FIG. Have been. The leaf spring 30 and the upper leaf spring 33 are insulated.

  The leaf spring 30 constitutes a lower (−Z side) leaf spring, and is formed by two leaf spring portions 31 as shown in FIG. The two leaf spring portions 31 each have an inner portion 31 a formed in an arc shape in plan view and an outer portion 31 b forming the outer periphery of the leaf spring 30. 31c. The leaf spring 30 has two leaf spring portions 31 arranged to face each other, and the two leaf spring portions 31 are formed as a pair, and are formed in a substantially square shape having an opening at the center in plan view. The two leaf spring portions 31 are respectively connected to the coil 10 by soldering. As a result, the two leaf spring portions 31 are electrically connected via the coil 10.

  As shown in FIG. 3, the upper leaf spring 33 has an inner portion 33 a formed in a substantially circular shape in plan view and an outer portion 33 b having a substantially square shape forming the outer periphery of the upper leaf spring 33. They are connected by four thin metal plate spring portions 33c, and are formed in a substantially square shape having an opening at the center in plan view.

  As shown in FIG. 4, the leaf spring 30 has two inner portions 31 a that are combined to form a circular opening, and are respectively attached to attachment portions 29 provided at a plurality of positions on the lens holding member 20. Further, two outer portions 31b which are combined to form a substantially square outer periphery are attached to attachment portions 49 provided at a plurality of locations on the base member 40 as shown in FIG. Similarly, in the upper leaf spring 33, an inner portion 33a forming an opening is attached to the lens holding member 20 with an adhesive, and an outer portion 33b forming an outer periphery of a substantially square shape projects from a lower surface of the cover 60 ( (Not shown), and is attached together with the top surface 56a of the yoke 56.

  With such a configuration, the inner portion 31a of the two leaf spring portions 31 forming the opening of the leaf spring 30 has a Z position with respect to the outer portion 31b of the two leaf spring portions 31 forming the substantially square outer periphery. It becomes a structure that can move in the direction. The same applies to the upper leaf spring 33. In other words, the lens holding member 20 holding the lens body can move in the optical axis direction L1 (Z direction) with respect to the base member 40 and the cover 60 fixed to the portable electronic device incorporating the lens driving device 100. Structure. As a result, a thrust in the optical axis direction L1 can be generated in the lens holding member 20 holding the lens body by flowing a current through the coil 10 to operate the driving mechanism 50.

  A metal plate member 45 is embedded in the base member 40. The metal plate member 45 is partially exposed from the bottom surface of the base member 40, as shown in FIG. The metal plate member 45 is composed of a plurality of members, one of which is connected to one leaf spring portion 31 of the leaf spring 30 described above, and the other member is the other leaf spring of the leaf spring 30. It is connected to the spring part 31. Each member of the metal plate member 45 connected to the two leaf spring portions 31 is connected to a portable electronic device main body such as a mobile phone or a smart phone in which the lens driving device 100 is built, and is connected to the two leaf springs. A voltage for driving a lens from the main body of the portable electronic device is applied between the sections 31 so that a current flows through the coil 10.

  Next, referring to FIGS. 4 to 8, the structure of the lens holding member 20, the method of winding the coil 10 around the projecting portion 21 of the wire 10, and the configuration of the coil 10 and the leaf spring 30 on the lens holding member 20. Will be described. FIG. 5 is an enlarged perspective view of the lens holding member 20, and FIG. 6 is an enlarged perspective view of the lens holding member 20 in a state where the wire 19 of the coil 10 is wound. FIG. 7 is an enlarged side view of the lens holding member 20 schematically showing a state in which the coil 10 and the leaf spring 30 are soldered. FIG. 8 is a view in which the coil 10 and the leaf spring 30 are soldered. FIG. 4 is an enlarged perspective view of the lens holding member 20 in a state where the lens holding member 20 is in a folded state. 5 to 8, similarly to FIG. 4, the + Z direction is drawn on the lower side of the drawing.

  As shown in FIG. 4, the flange portion 24 of the lens holding member 20 is provided with two protrusions 21 projecting along the optical axis direction L1 (Z direction). Each of the wires 19 forming 10 is wound. By winding the wire 19 of the coil 10 around the two projecting portions 21, both ends of the coil 10 can be held by the lens holding member 20. Of the two protrusions 21, the position of the protrusion 21 on the −X side in FIG. 4 is the winding start side of the coil 10 and the position of the protrusion 21 on the + X side is the winding end side. In FIGS. 5 to 8 described later, the winding end side of the coil 10 is shown.

  As shown in FIG. 4, the coil 10 includes a coil body 11 formed by winding a wire 19 around an outer periphery of a lens holding member 20, and a winding portion 13 formed by spirally winding the wire 19 around a protrusion 21. And a drawing part 15 located between the coil body part 11 and the winding part 13.

  As shown in FIG. 5, the lens holding member 20 is provided with a pedestal portion 27 having a substantially rectangular shape in a plan view and formed one step higher than the flange portion 24 in the −Z direction. It is provided on the part 27. The protrusion 21 is provided to protrude in a prism shape along the optical axis direction L1. That is, the protruding portion 21 extends upward (-Z direction) in FIG. 5 from the base portion 21b on the pedestal portion 27, has a top end portion 21a having a flat surface, and is located on the + Y side. It has four side surfaces including the side surface 21c, and is formed in a substantially quadrangular prism shape.

  The protrusion 21 has a plurality of (four in the present embodiment) corners 22 including two inner corners 22a and two outer corners 22b, and one of the two inner corners 22a. Constitute the first corner portion 23.

  As shown in FIG. 6, the first corner portion 23 is a corner portion of the plurality (four) corner portions 22 where the wire 19 of the winding portion 13 extending from the winding portion 15 of the coil 10 first contacts. In addition, as shown in FIG. 5 and FIG. 6, it has a curved surface portion 23 a having a more gentle arc shape than the other corner portions 22.

  Further, outside the outer periphery (outer peripheral side) of the projecting portion 21, the wire 19 can be brought into contact, has an arc shape larger than the arc shape of the curved surface portion 23 a of the first corner portion 23, and the wire 19 of the drawing portion 15 is protruded. A guide portion 28 is provided for guiding to the side 21, and the wire 19 extends to the first corner 23 along the guide portion 28. As shown in FIG. 5, the protruding portion 21 is provided adjacent to the guide portion 28 so that one side surface 21c of the protruding portion 21 and the above-described guide portion 28 are continuous.

  The guide portion 28 is formed by a part of the peripheral surface of the pedestal portion 27, and an inclined surface 28 a rising in the −Z direction from the + X side end of the pedestal portion 27 toward the first corner portion 23. Are formed beside it. Accordingly, as shown in FIG. 6, the wire 19 of the routing portion 15 extends to the first corner portion 23 while abutting on the guide portion 28 and the inclined surface 28a.

  As shown in FIG. 6, after the wire 19 of the routing portion 15 extends from the guide portion 28 to the first corner portion 23, the coil 10 has a curved surface portion 23a of the first corner portion 23 which is one inner corner portion 22a. And then wound through the other inner corner 22a and two outer corners 22b. The wire 19 is wound a plurality of times around the projecting portion 21 to form the wound portion 13.

  Since the first corner portion 23 of the projecting portion 21 to which the wire 19 of the winding portion 13 extending from the drawing portion 15 first comes into contact has a gentle arc-shaped curved surface portion 23a, when a large impact is applied by dropping or the like. However, it is difficult for the first rod 23 to cut the wire 19. On the other hand, the wire rod 19 can be reliably held at the inner corner portions 22a other than the first corner portions 23 of the projecting portion 21 and at the two outer corner portions 22b.

  As shown in FIG. 7, the leaf spring 30 has an outer portion 31b located on the −Z side, an inner portion 31a located on the + Z side, and an outer portion 31b located outside the protruding portion 21 (front side in FIG. 7). , And the inner portion 31 a is located inside and beside the protrusion 21. The + Z side of the inner portion 31a is one surface 30a of the leaf spring 30, and the -Z side of the inner portion 31a is the other surface 30b of the leaf spring 30.

  The leaf spring 30 is provided with a predetermined interval in a side view, with one surface 30 a of the leaf spring 30 facing in parallel with the flange 24 of the lens holding member 20. As described above, the protruding portion 21 is provided so as to protrude from the pedestal portion 27 of the lens holding member 20 toward the other surface 30b of the leaf spring 30. Further, the tip 21 a of the protrusion 21 protrudes in the −Z direction from the end of the wire 19 forming the winding portion 13 of the coil 10.

  The leaf spring 30 has a joining portion 30c in the inner portion 31a, and the wire 19 of the winding portion 13 and the joining portion 30c of the leaf spring 30 are joined by the joining material 71. The joining portion 30c is provided at a portion adjacent to the protruding portion 21 on the other surface 30b side of the leaf spring 30. As the bonding material 71, solder is used. In this embodiment, solder is used as the bonding material 71, but a conductive adhesive may be used as the bonding material 71.

  As shown in FIG. 8, a part of the winding portion 13 of the coil 10 is formed by a wire 19 and a projection 21 located between a first corner 23 of the projection 21 and a guide 28 adjacent to the projection 21. , And is linearly held by the protruding portion 21, and the wire 19 of the portion is joined to the leaf spring 30. The wire material 19 is a wire material 19 wound between two corner portions 22 including an inner corner portion 22a different from the first corner portion 23 and an outer corner portion 22b adjacent to the inner corner portion 22a. As described above, the portion of the linear winding portion 13 between the two corner portions 22 formed of the inner corner portion 22a of the winding portion 13 and the outer corner portion 22b adjacent thereto is joined to the leaf spring 30. Therefore, the joining is performed favorably.

  An insulating film is applied to the wire 19 of the coil 10 located on the coil body portion 11 and the leading portion 15 side, but the insulating material is applied to the wire 19 of the winding portion 13 to which soldering is applied. It has not been. Therefore, soldering between the wire 19 of the winding part 13 of the coil 10 and the joint 30c of the leaf spring 30 becomes possible. Before soldering, the wire material 19 of the winding portion 13 on which the insulating film is applied may be preliminarily soldered so as to be easily soldered.

  In the present embodiment, the winding portion 13 in the projecting portion 21 on the winding end side of the coil 10 is described, but the present invention is also applied to the winding portion 13 in the projecting portion 21 on the winding start side of the coil 10. May be.

  Hereinafter, effects of the present embodiment will be described.

  In the lens driving device 100, since the first corner portion 23 of the projecting portion 21 to which the wire rod 19 of the winding portion 13 extending from the drawing portion 15 first comes into contact has a gentle arc-shaped curved surface portion 23a, the lens driving device 100 is large due to dropping or the like. Even when an impact is applied, the wire 19 can be made hard to be cut at the first corner 23.

  In addition, the wire 19 is guided to the first corner 23 via a guide 28 having an arc shape larger than the curved surface 23 a of the first corner 23, and the first corner 23 is Since it has a curved surface portion 23a having a more gentle arc shape than the other corner portions 22, the wire material 19 is guided from the coil main body portion 11 to the winding portion 13 while gradually changing the curvature. The stress is not easily applied to the wire 19, and the wire 19 can be hardly broken.

  Further, since the protrusion 21 and the guide 28 are adjacent to each other so as to be continuous, it is possible to prevent the wire 19 from breaking between the protrusion 21 and the guide 28.

  Further, since the protruding portion 21 is provided on the pedestal portion 27, it is easy to form the winding portion 13 by winding the wire 19 from the root portion 21b of the protruding portion 21.

  Further, since the projecting portion 21 has a substantially quadrangular prism shape, even if the first corner portion 23 has a curved surface portion 23a having a large arc shape, the wire material 19 is appropriately held on the projecting portion 21 by the other corner portions 22. it can. In addition, since the linear winding portion 13 located between the two corner portions 22 different from the first corner portion 23 is joined to the leaf spring 30, the joining with solder or the like is performed well.

  As described above, in the lens driving device of the present invention, since the first corner portion of the projecting portion where the wire rod of the winding portion extending from the drawing portion first comes into contact has a gentle arc-shaped curved surface portion, it is possible to drop Thus, even when a large impact is applied, the wire can be hardly cut at the first corner.

  The present invention is not limited to the above-described embodiment, and can be implemented with various modifications without departing from the scope of the invention. For example, in the above embodiment, the form in which the end of the coil 10 is soldered to the leaf spring 30 on the −Z side (lower side) of the lens driving device 100 has been described. The present invention may be applied to a case where an end of a coil is soldered to an upper leaf spring on the + Z side (upper side) as in a lens driving device having a function.

DESCRIPTION OF SYMBOLS 10 Coil 11 Coil main part 13 Winding part 15 Pulling part 19 Wire rod 20 Lens holding member 21 Projection part 21a Tip part 21b Root part 21c One side face 22 Corner 22a Inner corner 22b Outside corner 23 First corner 23a Curved section Reference Signs List 24 Flange 25 Lens holding part 25a Screw groove 26 Cylindrical part 27 Pedestal part 28 Guide part 28a Inclined surface 29 Attachment part 30 Leaf spring 30a One surface 30b Other surface 30c Joint part 31 Leaf spring part 31a Inner part 31b Outer part 31c Spring part 33 upper leaf spring 33a inner portion 33b outer portion 33c spring portion 40 base member 45 metal plate member 49 mounting portion 50 drive mechanism 54 magnet 56 yoke 56a top surface 56b outer wall portion 56c inner wall portion 60 cover 71 bonding material 100 lens driving device L1 light Axial direction

Claims (3)

A cylindrical lens holding member capable of holding a lens body, a leaf spring partially fixed to the lens holding member and supporting the lens holding member so as to be movable in the optical axis direction; And a drive mechanism configured to have at least a magnet and a coil to move along
In the lens holding member, a prismatic protrusion having a plurality of corners including a first corner is provided so as to protrude along the optical axis direction, and the coil is provided on the outer periphery of the lens holding member with a conductive material. It has a coil body formed by winding a wire, a winding portion in which the wire is wound around the projecting portion, and a winding portion located between the coil body and the winding portion. Wherein the leaf spring has a joining portion positioned adjacent to the winding portion, wherein the joining portion of the winding portion and the leaf spring is joined with a joining material,
The lens holding member is provided with a pedestal portion, a part of the peripheral surface of the pedestal portion is a guide portion for guiding the wire of the routing portion, and the protrusion is provided on the pedestal portion. And
The wire rod extending from the winding portion to the winding portion is wound around the projection portion after being changed in the direction of the projection portion by the guide portion, and serves as the winding portion. After being in contact with one side surface of the protruding portion, the direction can be changed at the first corner first, and the direction can be changed at the other corner sequentially, and the first corner is the other corner. And the guide portion has an arc shape larger than the first corner portion.
A lens driving device characterized by the above-mentioned.   In a plan view seen from the optical axis direction, the upper surface of the pedestal portion surrounds the side surface of the protrusion other than the one side surface, and is continuous from the upper surface adjacent to the one side surface and the guide portion. An inclined surface is provided, and the inclined surface extends from the one side surface toward the guide portion and away from the protrusion.
The lens driving device according to claim 1, wherein: The protruding portion has a substantially quadrangular prism shape, and a part of the winding portion is positioned opposite to the wire positioned between the first corner portion and the guide portion with the protruding portion interposed therebetween. While being held linearly by the protruding portion, and the wire of the portion is joined to the leaf spring.
The lens driving device according to claim 1 or 2 , wherein:

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