CN217767000U - Frame of lens driving mechanism and lens driving mechanism - Google Patents

Abstract

The utility model discloses a camera lens actuating mechanism's frame and camera lens actuating mechanism, this frame has the frame body, set up the mounting hole that is used for installing camera lens actuating mechanism's carrier on the frame body, the frame body has first curb plate, and seted up the first groove of dodging on the outer wall of first curb plate, camera lens actuating mechanism's first piezoelectric actuator has first piezoelectric element, first piezoelectric element is used for along the deformation of perpendicular to camera lens actuating mechanism's optical axis direction behind the circular telegram, the first groove of dodging is used for holding first piezoelectric actuator and provides deformation space for first piezoelectric element. The frame has reasonable structure and can be well matched with other parts in the lens driving mechanism.

Description

Frame of lens driving mechanism and lens driving mechanism

Technical Field

The utility model relates to an electronic equipment field, in particular to camera lens actuating mechanism's frame and camera lens actuating mechanism.

Background

With the development of technology, many electronic devices today have a function of taking pictures or recording videos, and in order to take pictures using various scenes, a lens needs to be continuously focused, so many different components are arranged to cooperate with each other, while the frame structure of the existing lens driving mechanism is not reasonable and cannot be well matched with other components in the lens driving mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera lens actuating mechanism's frame and camera lens actuating mechanism, this frame structure is reasonable, can cooperate well with other parts among the camera lens actuating mechanism.

In order to solve the above technical problem, an embodiment of the present invention provides a frame of a lens driving mechanism, the frame having a frame body, the frame body being provided with a mounting hole for mounting a carrier of the lens driving mechanism; the frame body is provided with a first side plate, and the outer wall surface of the first side plate is provided with a first avoidance groove; the first piezoelectric device of the lens driving mechanism is provided with a first piezoelectric element which is used for deforming along the direction vertical to the optical axis of the lens driving mechanism after being electrified; the first avoidance groove is used for accommodating the first piezoelectric device and providing deformation space for the first piezoelectric element.

The utility model discloses an embodiment is for prior art, and this frame structure is reasonable, can cooperate well with other parts among the camera lens actuating mechanism, sets up first dodge the groove and can hold first piezoelectric actuator, and with the deformation restriction of first piezoelectric element in the first dodge inslot, so have the camera lens actuating mechanism of this frame structure more meticulous, this frame helps the better realization anti-shake operation of camera lens actuating mechanism.

In an embodiment, the first avoiding groove extends along the deformation direction of the first piezoelectric element, and the frame body has a protrusion, the protrusion is located at one end of the extending direction of the first avoiding groove, the top of the protrusion is recessed downward to form a mounting position, and the mounting position is further opened toward the first avoiding groove;

the first piezoelectric element is provided with a first friction rod connected with the first piezoelectric element, and the mounting position is used for receiving the first friction rod.

In one embodiment, the frame body is provided with a second side plate adjacent to the first side plate, the top of the second side plate is provided with a placing groove, and the placing groove extends to the lug;

the frame further has: the clamping piece is arranged on the top surface of the second side plate; the clamping piece is at least partially positioned on the top surface of the placing groove and is separated from the bottom of the placing groove;

the first piezoelectric element is also provided with a first elastic sheet and a first gasket, and the first elastic sheet and the first gasket are matched to clamp the first friction rod; the placing groove is used for placing the first elastic sheet, and the clamping and fixing piece is used for clamping and fixing the first elastic sheet; the first gasket is disposed on the bump.

In an embodiment, an extending direction of the placing groove is perpendicular to an extending direction of the first avoiding groove.

In an embodiment, a supporting block for supporting the first elastic sheet is arranged on the bottom of the placing groove.

In an embodiment, the placing groove is further provided with a pair of limiting blocks which are oppositely spaced along the extending direction of the first avoiding groove, and the first elastic sheet is arranged between the pair of limiting blocks.

In one embodiment, the mounting position has a first side wall and a second side wall extending along the deformation direction of the first piezoelectric element; the first side wall and the second side wall gradually converge towards the bottom direction of the mounting position; and the second side wall is closer to the placing groove than the first side wall.

In one embodiment, the bump has a first outer wall and a second outer wall extending along the deformation direction of the first piezoelectric element, the first outer wall is close to the first side wall, the second outer wall is close to the second side wall, and the second outer wall is a side wall of the placement groove;

the first outer wall and the first side wall are connected at a first preset included angle and matched with each other to support and position the first gasket; the second outer wall and the second side wall form a second preset included angle, and the second outer wall and the second side wall are matched with each other to support and position the first gasket.

In one embodiment, the first side plate is provided with a first notch for mounting a first magnet; and the first notch is positioned below the first avoidance groove.

In an embodiment, the bottom of the frame body has a first connecting lug protruding therefrom, the first connecting lug is provided with a first through hole extending along a first direction, and the first direction is perpendicular to the deformation direction of the first piezoelectric element.

In an embodiment, the frame body has a fourth side plate disposed opposite to the first side plate, the first connecting lug is disposed at the bottom of the fourth side plate, and the first connecting lug is disposed at both ends of the fourth side plate in the extending direction.

In one embodiment, the frame body is provided with a third side plate which is connected with the first side plate and the fourth side plate, and a second connecting lug is projected from the bottom of one end, far away from the fourth side plate, of the third side plate;

the lens driving mechanism is provided with a second piezoelectric device which is used for driving the anti-shake platform of the lens driving mechanism to move along the first direction; the second connecting lug is used for mounting a second friction rod of the second piezoelectric device, and the third side plate is provided with a clamping position used for clamping a second balancing weight of the second piezoelectric device.

In an embodiment, a mounting plate protrudes from the bottom of the third side plate, and a second notch for mounting a sensor is formed in the mounting plate.

In an embodiment, the first side plate is further provided with a second through hole for mounting a second guide post on the base of the lens driving mechanism, and an axis of the second through hole extends along a deformation direction of the first piezoelectric element.

In an embodiment, a fourth through hole for mounting a second guide post on a base of the lens driving mechanism is further formed in the fourth side plate, and an axis of the fourth through hole extends along a deformation direction of the first piezoelectric element; and a second oil injection hole communicated with the second through hole is formed in the first side plate, and a fourth oil injection hole communicated with the fourth through hole is formed in the fourth side plate.

Another embodiment of the present invention further provides a lens driving mechanism, including the frame as described above.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic structural diagram of a frame according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of a portion C of FIG. 1;

FIG. 5 is an enlarged view of a portion D of FIG. 1;

FIG. 6 is a schematic structural diagram of a carrier according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a first piezoelectric device according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a second piezoelectric device according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an anti-shake platform according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a structure of a base and a first piezoelectric device according to an embodiment of the present invention;

fig. 11 is an exploded view of a lens driving mechanism according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a lens driving mechanism according to an embodiment of the present invention.

Reference numerals:

10. a frame; 11. a frame body; 111. a first side plate; 1111. a first notch; 1112. a first magnet; 1113. a second through hole; 112. a first avoidance slot; 113. a fourth side plate; 1131. a fourth oil filler hole; 114. a third side plate; 1141. clamping and connecting; 1142. mounting a plate; 1143. a second notch; 12. mounting holes; 13. a bump; 131. an installation position; 1311. a first side wall; 1312. a second side wall; 1313. a first outer wall; 1314. a second outer wall; 14. a second side plate; 141. a placement groove; 1411. a limiting block; 142. a clamping and fixing piece; 15. a first connecting lug; 151. a first through hole; 152. a second engaging lug; 20. a carrier; 30. a first piezoelectric device; 31. a first piezoelectric element; 32. a first friction bar; 33. a first spring plate; 34. a first gasket; 35. a first weight block; 40. a second piezoelectric device; 41. a second friction bar; 42. a second counterweight block; 43. a second piezoelectric element; 44. a second elastic sheet; 60. a base; 61. a second guide post; 50. an anti-shake platform; 51. a clamping block; 52. a second magnet; 70. a circuit board assembly; 80. a third piezoelectric device; y, a first direction; x, a second direction; z, third direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following describes each embodiment of the present invention in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

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.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Various 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.

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 phrase "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.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

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.

Embodiments of the present invention are described below with reference to the drawings.

As shown in fig. 1, an embodiment of the present invention provides a frame 10 of a lens driving mechanism, the frame 10 has a frame body 11, a mounting hole 12 for mounting a carrier 20 of the lens driving mechanism is disposed on the frame body 11, and the carrier 20 is shown in fig. 6. The frame body 11 has a first side plate 111, and a first avoiding groove 112 is formed in an outer wall surface of the first side plate 111, the first piezoelectric element 30 of the lens driving mechanism has a first piezoelectric element 31, the first piezoelectric element 31 is configured to deform in a direction perpendicular to an optical axis of the lens driving mechanism after being energized, the optical axis is an axis direction of the mounting hole 12, and the first avoiding groove 112 is configured to accommodate the first piezoelectric element 30 and provide a deformation space for the first piezoelectric element 31.

When the first piezoelectric element 31 is energized, the first piezoelectric element 31 deforms in a direction perpendicular to the optical axis of the lens driving mechanism, and the end side of the first piezoelectric element 30 connected to the frame 10 drives the frame 10 to move in the direction perpendicular to the optical axis of the lens driving mechanism, and the frame 10 moves in the direction perpendicular to the optical axis of the lens driving mechanism as a whole, so that a first avoiding groove 112 is required to reserve a containing space for the first piezoelectric element 31 to avoid mutual interference, the frame 10 has a reasonable structure, can be well matched with other components in the lens driving mechanism, the first avoiding groove 112 is arranged to contain the first piezoelectric element 30, and the deformation of the first piezoelectric element 31 of the first piezoelectric element 30 is limited in the first avoiding groove 112, so that the structure of the lens driving mechanism having the frame 10 is more compact, and can be set by a person skilled in the art according to actual needs.

Preferably, as shown in fig. 1 and 7, the first avoiding groove 112 extends along the deformation direction of the first piezoelectric element 31, the frame body 11 has a bump 13, the bump 13 is located at one end of the extending direction of the first avoiding groove 112, the top of the bump 13 is recessed downward to form a mounting position 131, and the mounting position 131 is further opened toward the first avoiding groove 112. The first piezoelectric element 31 has a first friction bar 32 connected to the first piezoelectric element 31, and the mounting location 131 is configured to receive the first friction bar 32. The first avoiding groove 112 extends along the deformation direction of the first piezoelectric element 31, so that the first avoiding groove 112 provides a receiving space for the first piezoelectric element 31 when the frame 10 moves relative to the first piezoelectric device 30. The layout is reasonable, and the technical personnel in the field can set the layout according to actual needs.

Preferably, as shown in fig. 1 and fig. 2 which is a partially enlarged view of a in fig. 1, the frame body 11 has a second side plate 14 adjacent to the first side plate 111, a placement groove 141 is opened at the top of the second side plate 14, and the placement groove 141 extends to the projection 13, that is, the projection 13 is located at the corner end where the first side plate 111 and the second side plate 14 intersect. The frame 10 further has a fastening piece 142 provided on the top surface of the second side plate 14, and the fastening piece 142 is partially located on the top surface of the placement groove 141 and spaced apart from the bottom of the placement groove 141. The first piezoelectric element 31 further has a first elastic sheet 33 and a first gasket 34, and the first elastic sheet 33 and the first gasket 34 cooperate to clamp the first friction bar 32. The placing groove 141 is used for placing the first elastic sheet 33, and the fastening member 142 is used for fastening the first elastic sheet 33. The first pad 34 is disposed on the bump 13. With such an arrangement, after the first piezoelectric element 31 is energized, the first piezoelectric element 31 deforms in a direction perpendicular to the optical axis of the lens driving mechanism, and then the first friction bar 32 moves in the direction of deformation of the first piezoelectric element 31, so as to drive the first elastic sheet 33 connected to the first friction bar 32 to move, and the first elastic sheet 33 is clamped on the frame 10, so that the first elastic sheet 33 drives the frame 10 to move in the direction of deformation of the first piezoelectric element 31, that is, the frame 10 moves in the direction perpendicular to the optical axis of the lens driving mechanism. The setting can be performed by those skilled in the art according to actual needs.

Further, as shown in fig. 1, an extending direction of the placing groove 141 is perpendicular to an extending direction of the first avoiding groove 112. The arrangement is reasonable in layout and small in occupied space, and the arrangement can be carried out by a person skilled in the art according to actual needs.

In addition, a supporting block (not shown) for supporting the first resilient piece 33 is disposed on the bottom of the placing groove 141. The supporting block can avoid excessive contact area with the groove bottom of the placing groove 141, so that the friction force is too large, and the first elastic sheet 33 deforms when driving the frame 10 to move. In addition, the contact area between the first elastic sheet 33 and the first friction bar 32 is larger, so that most of the friction force of the first elastic sheet 33 is concentrated on the contact surface between the first elastic sheet 33 and the first friction bar 32, and the first elastic sheet 33 and the first friction bar 32 can be better abutted. The setting can be performed by those skilled in the art according to actual needs.

In addition, as shown in fig. 2, which is a partially enlarged view of a in fig. 1, a pair of stoppers 1411 which are relatively spaced along the extending direction of the first avoiding groove 112 are further disposed on the placing groove 141, and the first elastic sheet 33 shown in fig. 7 is placed between the pair of stoppers 1411. The stop block 1411 can limit the movement of the first elastic sheet 33 therebetween along the direction perpendicular to the extending direction of the first avoiding groove 112, and those skilled in the art can set the movement according to actual needs.

Further, as shown in fig. 2, the mounting site 131 has a first sidewall 1311 and a second sidewall 1312 extending in the deformation direction of the first piezoelectric element 31, the first sidewall 1311 and the second sidewall 1312 gradually converge toward the bottom direction of the mounting site 131, and the second sidewall 1312 is closer to the placement groove 141 than the first sidewall 1311. The first sidewall 1311 and the second sidewall 1312 are provided to limit the position of the first pad 34, which is disposed on the bump 13 and is shown in fig. 7, and those skilled in the art can set the position according to actual needs.

Further, as shown in fig. 2, the bump 13 has a first outer wall 1313 and a second outer wall 1314 extending in the deformation direction of the first piezoelectric element 31, the first outer wall 1313 is close to the first side wall 1311, the second outer wall 1314 is close to the second side wall 1312, and the second outer wall 1314 is a side wall of the placement groove 141. Wherein first outer wall 1313 and first sidewall 1311 are coupled at a first predetermined angle (not shown) and are configured to support and position first pad 34, and second outer wall 1314 and second sidewall 1312 are coupled at a second predetermined angle (not shown) and are configured to support and position first pad 34. This arrangement can support the first pad 34 of the W-shaped structure as shown in fig. 7, but the first pad 34 is not limited to the W-shaped structure, and the arrangement may be performed by those skilled in the art according to actual needs. It is understood that the first predetermined included angle and the second predetermined included angle may be set to a range between 0 ° and 180 °.

In addition, as shown in fig. 1, a first notch 1111 for mounting the first magnet 1112 is formed on the first side plate 111, and the first notch 1111 is located below the first avoiding groove 112. The first magnet 1112 is provided to cooperate with a sensor for detecting the moving position of the frame 10, and may be set by those skilled in the art according to actual needs.

In addition, as shown in fig. 1, the bottom of the frame body 11 has a first connecting lug 15 protruding from the bottom, the first connecting lug 15 is provided with a first through hole 151 extending along a first direction Y, the first direction Y is perpendicular to the deformation direction of the first piezoelectric element 31, and the deformation direction of the first piezoelectric element 31 is defined as a second direction X, that is, the first direction Y is perpendicular to the second direction X, this arrangement enables the frame 10 to be driven by the first piezoelectric device 30 shown in fig. 7 to move along the first direction Y, and other elements are connected to the frame 10 through the first connecting lug 15 and can move along the second direction X relative to the frame 10, and the frame 10 can move along the first direction Y as well as along the first direction Y along with the movement of the frame 10, so that the element can move not only along the first direction Y but also along the second direction X, this arrangement is relatively reasonable, and the configuration is ingenious, and those skilled in the art can set up according to actual needs. This element may be an anti-shake platform 50 as shown in fig. 9 below.

Further, as shown in fig. 1, the frame body 11 has a fourth side plate 113 disposed opposite to the first side plate 111, the first connecting lug 15 is disposed at the bottom of the fourth side plate 113, and both ends of the extending direction of the fourth side plate 113 have the first connecting lugs 15. In this embodiment, the elements connected to the frame 10, which can realize the movement along the first direction Y and the movement along the second direction X, are disposed at the bottom of the frame 10, and this layout is reasonable, and those skilled in the art can arrange the elements according to actual needs.

Preferably, as shown in fig. 1 and a partially enlarged view of fig. 4 in fig. 1C, the frame body 11 has a third side plate 114 connecting the first side plate 111 and the fourth side plate 113, a second engaging lug 152 protrudes from a bottom of an end of the third side plate 114 away from the fourth side plate 113, and the second engaging lug 152 may have the same structure as the first engaging lug 15, and is not described herein again. The lens driving mechanism has a second piezoelectric device 40 as shown in fig. 8, the second piezoelectric device 40 is used for driving the anti-shake platform 50 of the lens driving mechanism to move along the first direction Y, and the second engaging lug 152 is used for mounting the second friction bar 41 of the second piezoelectric device 40. Fig. 3 is a partial enlarged view of B in fig. 1, which shows that the third side plate 114 has a clamping position 1141 for clamping the second weight block 42 of the second piezoelectric device 40. As shown in fig. 8, the second piezoelectric device 40 has a similar structure to the first piezoelectric device 30, and also has a second piezoelectric element 43 and a second elastic sheet 44. Specifically, the second elastic sheet 44 is fixed on the clamping block 51 of the anti-shake platform 50, when the second piezoelectric element 43 is powered on, the second piezoelectric element 43 deforms along the first direction Y, and one end of the second piezoelectric element 43 is fixed with the second weight block 42, and the second weight block 42 is clamped on the third side plate 114 of the frame 10, so that the second piezoelectric element 43 drives the second friction rod 41 connected thereto to move along the first direction Y, and then the second elastic sheet 44 connected to the second friction rod 41 also drives the anti-shake platform 50 to move along the first direction Y relative to the frame 10, which can be set by a person skilled in the art according to actual needs.

Further, as shown in fig. 3, which is a partial enlarged view of B in fig. 1, a mounting plate 1142 protrudes from the bottom of the third side plate 114, and a second notch 1143 for mounting a sensor (not shown here) is opened on the mounting plate 1142. The sensor can be arranged corresponding to the magnets on other parts for detecting the moving position of the part, specifically, the second magnet 52 can be arranged on the anti-shake platform 50, the sensor and the second magnet 52 arranged on the anti-shake platform 50 are matched to detect the moving position of the anti-shake platform 50, and the sensor can be arranged according to actual needs by technical personnel in the field.

As shown in fig. 4, which is a partially enlarged view of C in fig. 1, the first side plate 111 further has a second through hole 1113 for mounting the second guide post 51 on the base 50 of the lens driving mechanism shown in fig. 10, and an axis of the second through hole 1113 extends along a deformation direction of the first piezoelectric element 31. Specifically, as shown in fig. 4, fig. 6 and fig. 10, the second guiding column 51 on the base 50 is inserted into the second through hole 1113, the first piezoelectric element 30 is disposed on the base 50, and the first weight block 35 of the first piezoelectric element 30 is clamped on the base 50, after the first piezoelectric element 31 is powered on, as can be seen from the above analysis, the frame 10 connected to the first elastic sheet 33 is driven by the first elastic sheet 33 to move along the deformation direction of the first piezoelectric element 31, so that the second through hole 1113 and the second guiding column 51 inserted therein need to extend along the deformation direction of the first piezoelectric element 31, and guide the frame 10 to ensure that the frame 10 can move along the deformation direction of the first piezoelectric element 31, and this layout is relatively reasonable, and can be set by a person skilled in the art according to actual needs.

Preferably, the fourth side plate 113 further has a fourth through hole for mounting the second guiding column 51 on the base 50 of the lens driving mechanism, the fourth through hole is not shown in the figure, the axis of the fourth through hole extends along the deformation direction of the first piezoelectric element 31, the layout and the structure are similar to the second through hole 1113, the layout is reasonable, and reference is made to the axis of the second through hole 1113 extending along the deformation direction of the first piezoelectric element 31, and the description is omitted here. As shown in the enlarged partial view of fig. 5 in fig. 1D, the first side plate 111 is provided with a second oil hole communicating with the second through hole 1113, and the fourth side plate 113 is provided with a fourth oil hole 1131 communicating with the fourth through hole. Although the second oil holes are not shown in the drawings, the second oil holes are similar in layout and structure to the fourth oil holes 1131, and reference is made to the fourth oil holes 1131 in the drawings. Lubricant can be added into the second oil filler hole and the fourth oil filler hole 1131 to ensure that the second guide post 51 can move smoothly in the second through hole 1113 and the fourth through hole, and those skilled in the art can set the positions according to actual needs.

Another embodiment of the present invention further provides a lens driving mechanism, which includes any one of the above-mentioned frames 10, and is not repeated herein.

As shown in fig. 11 and 12, the lens driving mechanism includes a base 60, an anti-shake platform 50, an imaging chip, a frame 10, a second piezoelectric device 40, a first piezoelectric device 30, a carrier 20, a third piezoelectric device 80, and a circuit board assembly 70. The anti-shake platform 50 has a through hole, and the anti-shake platform 50 is located on the base 60. The imaging chip is disposed in the through hole, and the imaging chip is not shown in the figure. The frame 10 is disposed on the base 60, the anti-shake platform 50 is movably connected to the frame 10 along a first direction Y, and the frame 10 is movably connected to the base 60 along a second direction X. The second piezoelectric device 40 is connected to the frame 10 and the anti-shake platform 50, and the second piezoelectric device 40 is used for driving the anti-shake platform 50 to move along the first direction Y. The first piezoelectric device 30 is connected to the base 60 and the frame 10, and the first piezoelectric device 30 is configured to drive the frame 10 to move along the second direction X, and the anti-shake platform 50 is driven to move along the second direction X when the frame 10 moves along the second direction X. The carrier 20 is movably disposed in the frame 10 and located on the anti-shake platform 50. The third piezoelectric device 80 is connected to the base 60 and the carrier 20, and the third piezoelectric device 80 is configured to drive the carrier 20 to move along an optical axis direction, where the first direction Y, the second direction X, and the optical axis are perpendicular to each other, and the optical axis direction is the third direction Z. The circuit board assembly 70 is electrically connected to the imaging chip, the second piezoelectric device 40, the first piezoelectric device 30, and the third piezoelectric device 80.

When the anti-shake device is used, the second piezoelectric device 40 is powered on, one end of the second piezoelectric device 40 is fixed to the frame 10, and the anti-shake platform 50 is driven to move along the first direction Y when the second piezoelectric device 40 moves along the first direction Y. When the first piezoelectric device 30 is powered on, and one end of the first piezoelectric device 30 is fixed to the base 60, the first piezoelectric device 30 drives the frame 10 to move along the second direction X when moving along the second direction X, and the frame 10 drives the anti-shake platform 50 to move along the second direction X. The above-mentioned process has realized the motion of anti-shake platform 50 along first direction Y and second direction X, because of on anti-shake platform 50 is located to the imaging chip, so imaging chip along with anti-shake platform 50's motion and along the motion of first direction Y and second direction X, has realized lens actuating mechanism's anti-shake function. When the third piezoelectric device 80 is powered on and one end of the third piezoelectric device 80 is fixed on the base 60, the third piezoelectric device 80 moves along the third direction Z to drive the carrier 20 to move along the third direction Z, and the lens is fixed on the carrier 20, so that zooming of the lens is achieved. The zooming and anti-shaking functions of the lens are realized through the process. The lens driving mechanism reasonably realizes the zooming and anti-shaking functions of the lens, and all components can be perfectly matched. The setting can be performed by those skilled in the art according to actual needs.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (16)

1. The frame of the lens driving mechanism is characterized in that the frame is provided with a frame body, and the frame body is provided with a mounting hole for mounting a carrier of the lens driving mechanism; the frame body is provided with a first side plate, and the outer wall surface of the first side plate is provided with a first avoidance groove; the first piezoelectric device of the lens driving mechanism is provided with a first piezoelectric element which is used for deforming along the direction vertical to the optical axis of the lens driving mechanism after being electrified; the first avoidance groove is used for accommodating the first piezoelectric device and providing deformation space for the first piezoelectric element.

2. The frame according to claim 1, wherein the first avoiding groove extends along a deformation direction of the first piezoelectric element, and the frame body has a protrusion, the protrusion is located at one end of the extending direction of the first avoiding groove, a top of the protrusion is recessed downward to form a mounting position, and the mounting position is further opened toward the first avoiding groove;

the first piezoelectric element is provided with a first friction rod connected with the first piezoelectric element, and the mounting position is used for bearing the first friction rod.

3. The frame of claim 2, wherein the frame body has a second side plate adjacent to the first side plate, and a placement groove is opened at the top of the second side plate and extends to the projection;

the frame further has: the clamping piece is arranged on the top surface of the second side plate; the clamping piece is at least partially positioned on the top surface of the placing groove and is separated from the groove bottom of the placing groove;

the first piezoelectric element is also provided with a first elastic sheet and a first gasket, and the first elastic sheet and the first gasket are matched with each other to clamp the first friction rod; the placing groove is used for placing the first elastic sheet, and the clamping piece is used for clamping and fixing the first elastic sheet; the first gasket is disposed on the bump.

4. The frame of claim 3, wherein the placement groove extends in a direction perpendicular to the first avoidance groove.

5. The frame of claim 3, wherein a support block for supporting the first resilient piece is disposed on a bottom of the groove.

6. The frame of claim 3, wherein the placement groove is further provided with a pair of limiting blocks oppositely spaced along the extending direction of the first avoidance groove, and the first elastic sheet is placed between the pair of limiting blocks.

7. The frame of claim 3, wherein the mounting location has a first sidewall and a second sidewall extending along a direction of deformation of the first piezoelectric element; the first side wall and the second side wall gradually converge towards the bottom direction of the mounting position; and the second side wall is closer to the placing groove than the first side wall.

8. The frame according to claim 7, wherein the bump has a first outer wall and a second outer wall extending along the deformation direction of the first piezoelectric element, the first outer wall is adjacent to the first side wall, the second outer wall is adjacent to the second side wall, and the second outer wall is a side wall of the placement groove;

the first outer wall and the first side wall are connected at a first preset included angle and matched with each other to support and position the first gasket; the second outer wall and the second side wall are connected at a second preset included angle and matched with each other to support and position the first gasket.

9. The frame of claim 1, wherein the first side plate defines a first notch for receiving a first magnet; and the first notch is positioned below the first avoidance groove.

10. The frame of claim 1, wherein the bottom of the frame body has a first connecting lug protruding therefrom, the first connecting lug having a first through hole extending along a first direction, and the first direction is perpendicular to the deformation direction of the first piezoelectric element.

11. The frame according to claim 10, wherein the frame body has a fourth side plate disposed opposite to the first side plate, the first connecting lug is disposed at a bottom of the fourth side plate, and both ends of the fourth side plate in the extending direction have the first connecting lugs.

12. The frame of claim 11, wherein the frame body has a third side plate connecting the first side plate and the fourth side plate, and a second connecting lug protrudes from the bottom of an end of the third side plate away from the fourth side plate;

the lens driving mechanism is provided with a second piezoelectric device which is used for driving the anti-shake platform of the lens driving mechanism to move along the first direction; the second engaging lug is used for installing a second friction rod of the second piezoelectric device, and a clamping position used for clamping a second balancing weight of the second piezoelectric device is arranged on the third side plate.

13. The frame of claim 12, wherein a mounting plate protrudes from a bottom of the third side plate, and a second notch is defined in the mounting plate for mounting a sensor.

14. The frame according to claim 11, wherein the first side plate further defines a second through hole for mounting a second guiding post of the base of the lens driving mechanism, and an axis of the second through hole extends along a deformation direction of the first piezoelectric element.

15. The frame according to claim 14, wherein the fourth side plate further defines a fourth through hole for mounting a second guide post on a base of the lens driving mechanism, and an axis of the fourth through hole extends along a deformation direction of the first piezoelectric element; and a second oil injection hole communicated with the second through hole is formed in the first side plate, and a fourth oil injection hole communicated with the fourth through hole is formed in the fourth side plate.

16. A lens driving mechanism, comprising: the frame of any one of claims 1-15.

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