WO2023045842A1 - Camera module and electronic device - Google Patents

Abstract

A camera module and an electronic device, which belong to the field of electronic devices. The camera module comprises a first lens assembly (10), a second lens assembly (20) and a mounting seat (30), wherein the first lens assembly (10) and the second lens assembly (20) are both arranged on the mounting seat (30); the first lens assembly (10) comprises a first lens element assembly (11) and a first driving assembly (12); the second lens assembly (20) comprises a second lens element assembly (21), a third lens element assembly (22), a second driving assembly (23) and a first elastic member (24); the first lens element assembly (11), the second lens element assembly (21) and the third lens element assembly (22) are arranged coaxially; the first driving assembly (12) is connected to the first lens element assembly (11), and the first driving assembly (12) is used for driving the first lens element assembly (11) to move in a first axial direction; the second driving assembly (23) is connected to the third lens element assembly (22), and the second driving assembly (23) is used for driving the third lens element assembly (22) to move in the first axial direction; the first elastic member (24) is sandwiched between the second lens element assembly (21) and the third lens element assembly (22), and is arranged in a compressed state; and by means of the first elastic member (24), a relative displacement is provided between the first lens element assembly (11) and the second lens element assembly (21).

Description

A camera module and electronic equipment

Cross References to Related Applications

This application claims priority to Chinese patent application 202111120891.0 filed on September 24, 2021, the entire content of which is hereby incorporated by reference.

technical field

The present application relates to the technical field of electronic equipment, in particular to a camera module and electronic equipment.

Background technique

At present, users of smart terminals have higher and higher requirements for images. They hope that smart terminals can take pictures like professional cameras. The industry trend is to develop with larger bottoms and larger apertures, resulting in increased lens size and the number of lenses. More. However, the internal space of smart terminals is very limited, which has become a bottleneck restricting the development of video in the mobile phone industry.

In related technologies, the lens is often made into a retractable mode, and the height space is increased by stretching, the diffraction limit and the amount of light are improved, and the optical performance is improved. However, the lens not only needs to have a telescopic function, but also needs to have a focusing function. Taking into account its own telescopic structure and miniaturized module design, the telescopic lens is usually difficult to achieve the focusing of multiple groups of lenses with different optical structures, which leads to At present, the structure of the retractable lens is relatively complicated.

Contents of the invention

The embodiment of the present application provides a camera module to solve the problem that the structure of the retractable lens is relatively complicated at present.

In a first aspect, an embodiment of the present application provides a camera module, including a first lens assembly, a second lens assembly, and a mount, and the first lens assembly and the second lens assembly are both arranged on the mount , the first lens assembly includes a first lens assembly and a first drive assembly, the second lens assembly includes a second lens assembly, a third lens assembly, a second drive assembly, and a first elastic member, wherein,

The first lens assembly, the second lens assembly and the third lens assembly are arranged coaxially;

The first drive assembly is connected to the first lens assembly, and the first drive assembly is used to drive the first lens assembly to move along the first axis; the second drive assembly is connected to the third lens assembly connected, the second drive assembly is used to drive the third lens assembly to move along the first axis; the first elastic member is sandwiched between the second lens assembly and the third lens assembly The space is arranged in a compressed state; the first elastic member can cause a relative displacement between the first lens component and the second lens component.

In the second aspect, the embodiment of the present application further provides an electronic device, including the camera module as described in the first aspect.

In the embodiment of the present application, the camera module may include a first lens assembly and a second lens assembly, the first lens assembly includes a first lens assembly and a first drive assembly, the second lens assembly includes a second lens assembly, a third lens assembly Assemblies, the first elastic member and the second driving member, since the first lens assembly, the second lens assembly and the third lens assembly are arranged in sequence and coaxially arranged, the first elastic member is sandwiched between the second lens assembly and the second lens assembly in a compressed state Between the three lens components, a relative displacement can be generated between the first lens component and the second lens component, so that the camera module can achieve lens expansion and contraction through the cooperation of the first drive component, the second drive component and the first elastic member. The focusing function simplifies the structure of the camera module.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Description of drawings

The above and/or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is a schematic cross-sectional structure diagram of a camera module provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a camera module provided in an embodiment of the present application;

FIG. 3 is an exploded view of the camera module provided by the embodiment of the present application;

Fig. 4 is a schematic structural diagram of the active lens barrel in the camera module provided by the embodiment of the present application;

FIG. 5 is a schematic structural diagram of a driven lens barrel in a camera module provided in an embodiment of the present application;

Fig. 6 is a schematic structural diagram of the second lens barrel in the camera module provided by the embodiment of the present application;

7 is a schematic structural diagram of the first lens barrel in the camera module provided by the embodiment of the present application;

Fig. 8 is one of the schematic diagrams of the cooperation structure between the second lens assembly and the mounting seat provided by the embodiment of the present application;

Fig. 9 is the second schematic diagram of the cooperation structure between the second lens assembly and the mounting seat provided by the embodiment of the present application;

Fig. 10 is a schematic structural diagram of a third elastic member provided in an embodiment of the present application;

Fig. 11 is one of the partial structural diagrams of the second lens assembly provided by the embodiment of the present application;

FIG. 12 is the second schematic diagram of the partial structure of the second lens assembly provided by the embodiment of the present application.

Detailed ways

Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The features of the terms "first" and "second" in the description and claims of the present application may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, constructed, and operate in a particular orientation, and thus should not be construed as limiting of the application.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.

1 to 12, the embodiment of the present application provides a camera module, including a first lens assembly 10, a second lens assembly 20 and a mount 30, the first lens assembly 10 and the second lens assembly 20 are both arranged on Mounting seat 30, the first lens assembly 10 includes a first lens assembly 11 and a first drive assembly 12, and the second lens assembly 20 includes a second lens assembly 21, a third lens assembly 22, a second drive assembly 23 and a first elastic member 24, of which,

The first lens assembly 11, the second lens assembly 21 and the third lens assembly 22 are arranged in sequence and arranged coaxially, and the first lens assembly 11 abuts against the second lens assembly 21;

The first drive assembly 12 is connected with the first lens assembly 11, and the first drive assembly 12 is used to drive the first lens assembly 11 to move along the first axis; the second drive assembly 23 is connected with the third lens assembly 22, and the second drive assembly 23 is used to drive the third lens assembly 22 to move along the first axis; the first elastic member 24 is sandwiched between the second lens assembly 21 and the third lens assembly 22, and is set in a compressed state; the first elastic member 24 A relative displacement can be generated between the first lens assembly 11 and the second lens assembly 21 .

In the embodiment of the present application, the above-mentioned first lens assembly 10 and the above-mentioned second lens assembly 20 can be two groups of different optical structures, and the camera can drive the displacement of different groups of lenses, and through the cooperation of different groups of lenses, the camera can be realized. Lens telescopic, and focusing functions, so as to achieve different shooting effects.

The above-mentioned first lens assembly 10 and the above-mentioned second lens assembly 20 can be set on the same mount 30, referring to FIG. 1, as shown in FIG. Lens assembly 20 outside. Of course, in other optional embodiments, the above-mentioned first lens assembly 10 and the second lens assembly 20 can also be arranged at different heights, or the above-mentioned second lens assembly 20 can also be sleeved on the above-mentioned first lens assembly 10 Besides, they will not be listed here.

Of course, in some embodiments, the above-mentioned first lens assembly 10 and the above-mentioned second lens assembly 20 can be arranged in sequence along the horizontal direction, that is, the above-mentioned mounting seat can be provided with a corresponding bracket, through which the first lens assembly 11, the second lens assembly The second lens assembly 21 and the third lens assembly 22 are sequentially distributed along the horizontal axis, which is not limited here.

Specifically, the above-mentioned first lens assembly 10 may include a first drive assembly 12 and a first lens assembly 11, and the first drive assembly 12 drives the first lens assembly 11 to move to change the vertical height of the first lens assembly 11, thereby realizing The expansion and contraction of the first lens assembly 10 . It can be understood that the above-mentioned first lens assembly 10 may also include a casing or a lens barrel structure, so as to accommodate the first lens assembly 11 and cooperate to realize lens expansion and contraction.

The above-mentioned second lens assembly 20 may include a second lens assembly 21, a third lens assembly 22, a first elastic member 24 and a second drive assembly 23. In order to realize the cooperation between the first lens assembly 10 and the second lens assembly 20, the above-mentioned first lens assembly The first lens assembly 11 , the second lens assembly 21 and the third lens assembly 22 can be coaxially arranged and arranged in sequence.

Continuing to refer to FIG. 1 , in FIG. 1 , the distances between the first lens assembly 11 , the second lens assembly 21 and the third lens assembly 22 to the mounting base gradually increase, that is, they are arranged sequentially from top to bottom, and the first The central axes of the first lens assembly 11, the second lens assembly 21 and the third lens assembly 22 are the same, so that light can pass through the first lens assembly 11, the second lens assembly 21, and the third lens assembly 22 at the same time, and be incident on the photosensitive chip.

It should be understood that, in other embodiments, the distances between the first lens assembly 11, the second lens assembly 21 and the third lens assembly 22 and the mounting base 30 may also gradually decrease, that is, they are arranged sequentially from bottom to top , which can be set according to actual needs.

It can be understood that, since the above-mentioned first lens assembly 11 is in contact with the above-mentioned second lens assembly 21, and the first elastic member 24 is set in a compressed state, the first elastic member 24 always gives the second lens assembly 21 an orientation toward the first lens. The elastic force of the assembly 11, so that when the above-mentioned first lens assembly 11 is driven by the first drive assembly 12 and moves in the direction away from the second lens assembly 21 in the first axial direction, the elastic force of the first elastic member 24 The second lens assembly 21 will move along the first axis along with the first lens assembly 11 until the elastic force provided by the first elastic member 24 is equal to the gravity of the second lens assembly 21 . The above-mentioned first axis is a direction along the central axis of the first lens assembly 11 , and specifically may include a first direction away from the mounting base 30 and a second direction close to the mounting base 30 .

Further, after the second lens assembly 21 stops moving, the above-mentioned first lens assembly 11 can continue to move along the first axis, when the first preset gap is reached between the first lens assembly 11 and the second lens assembly 21 , the above-mentioned second driving assembly 23 can drive the third lens assembly 22 to move along the first axis, so that the second lens assembly 21 is driven to continue to move along the first axis due to the elastic force of the first elastic member 24, and finally the camera module The lens is in a fully extended state, so that the diffraction limit and the amount of light can be improved by extending the lens, thereby improving optical performance.

When the lens of the above-mentioned camera module shrinks from the stretched state, the third lens assembly 22 can first move in a direction close to the mounting seat 30 until the second preset gap is reached between the second lens assembly 21 and the first lens assembly 11 . The first lens assembly 11 moves toward the mounting base 30 , and finally the first lens assembly 11 pushes the second lens assembly 21 to compress the first elastic member 24 until the lens of the camera module is fully contracted.

At the same time, the camera module can drive the third lens assembly 22 to move through the third drive assembly, thereby driving the second lens assembly 21 to move through the first elastic member 24, thereby changing the distance between the first lens assembly 11 and the second lens assembly 21. distance to achieve focus and zoom. It should be understood that, since the process of focusing and zooming and the process of extending and contracting the lens are usually carried out in time-sharing, the distance between the second lens assembly 21 and the third lens assembly 22 usually remains roughly constant during the focusing process, that is, The length of the first elastic member 24 deformed by the gravity of the second lens assembly 21 .

The above-mentioned first lens assembly 11 can include one or more lenses, wherein the multiple lenses can be stacked on top of each other, or can be arranged at intervals, and the shape, thickness and material of the lenses can be the same or different, which can be determined according to actual needs. Setting, a group of optical structures are formed by combining one or more lenses. Similarly, the second lens assembly 21 and the third lens assembly 22 may also include one or more lenses, and since the distance between the second lens assembly 21 and the third lens assembly 22 usually remains unchanged during the focusing process, Therefore, the second lens assembly 21 and the third lens assembly 22 can be regarded as the same group of optical structures.

The above-mentioned first elastic member 24 may be made of an elastic material with an elastic coefficient. In order to ensure the strength and service life of the first elastic member 24, the first elastic member 24 may specifically be a coil spring made of spring steel.

In the embodiment of the present application, the camera module may include a first lens assembly 10 and a second lens assembly 20, the first lens assembly 10 includes a first lens assembly 11 and a first drive assembly 12, and the second lens assembly 20 includes a second The lens assembly 21, the third lens assembly 22, the first elastic member 24 and the second driving member, since the first lens assembly 11, the second lens assembly 21 and the third lens assembly 22 are arranged in sequence and coaxially arranged, the first elastic member 24 is sandwiched between the second lens assembly 21 and the third lens assembly 22 in a compressed state, which can cause relative displacement between the first lens assembly 11 and the second lens assembly 21, so that the camera module can pass through the first driving assembly 12. The cooperation of the second drive assembly 23 and the first elastic member 24 realizes the telescoping and focusing functions of the lens, thereby simplifying the structure of the camera module.

Optionally, please refer to FIGS. 1 to 3 together. The first lens assembly 10 further includes a transmission assembly 13. The transmission assembly 13 includes a displacement transmission member 131, an active lens barrel 132 and a driven lens barrel 133. The active lens barrel 132 covers Located outside the driven lens barrel 133; the displacement transmission member 131 is connected to the first drive assembly 12, and the displacement transmission member 131 is connected to the active lens barrel 132;

The first driving assembly 12 drives the active lens barrel 132 to rotate through the displacement transmission member 131;

The driven lens barrel 133 is slidingly connected with the active lens barrel 132, and the driven lens barrel 133 is connected with the first lens assembly 11; when the active lens barrel 132 rotates from the first state to the second state, the driven lens barrel 133 Drive the first lens assembly 11 to move from the first position to the second position, the vertical height of the first position is different from the vertical height of the second position.

In the embodiment of the present application, the above-mentioned first lens assembly 10 may further include a transmission assembly 13 through which the above-mentioned first lens assembly 11 is driven to move. It can be understood that the displacement transmission member 131 can be a rack or guide rail structure, so that the movement of the displacement transmission member 131 or its own shape change drives the active lens barrel 132 to rotate, and then drives the driven lens barrel 133 to move.

Exemplarily, the above-mentioned first driving assembly 12 can be a structure in which a stepping motor cooperates with a worm gear, and the above-mentioned displacement transmission member 131 can be a rack, and the stepping motor drives the worm to rotate, thereby driving the worm wheel to rotate, and the rotation of the worm wheel drives the tooth The bar rotates along the circumferential direction of the active lens barrel 132 . In some embodiments, if the rack is fixedly connected to the above-mentioned active lens barrel 132 , the rotation of the rack can further drive the active lens barrel 132 to rotate.

Of course, in some embodiments, referring to FIG. 2, as shown in FIG. 2, the above-mentioned displacement transmission member 131 can also be movably connected with the above-mentioned active lens barrel 132, and the above-mentioned active lens barrel 132 can be driven to rotate by setting an elastic member to cooperate with a rack. , is not limited here.

It can be understood that the above-mentioned driven lens barrel 133 and the active lens barrel 132 can be in a sleeve relationship, specifically, the above-mentioned driven lens barrel 133 can be sleeved outside the active lens barrel 132, or the above-mentioned active lens barrel 132 can also be It can be sleeved on the outside of the above-mentioned driven lens barrel 133 . Specifically, between the above-mentioned driven lens barrel 133 and the active lens barrel 132, the rotational movement of the active lens barrel 132 can be converted into the movement of the driven lens barrel 133 along the sliding guide groove through the cooperation of sliding guide grooves and sliders. Therefore, the driven lens barrel 133 can be moved from the first position to the second position by setting the length and inclination angle of the sliding guide groove.

Wherein, when the above-mentioned active lens barrel 132 is rotated to the first state, the above-mentioned driven lens barrel 133 is located at the first position, and when the above-mentioned active lens barrel 132 is rotated to the second state, the above-mentioned driven lens barrel 133 is located at the second position. The vertical height of the first position and the vertical height of the above-mentioned second position are the heights measured with reference to the same reference plane, and the driven lens barrel 133 moves from the vertical height of the first position to the vertical height of the second position, thereby driving and The first lens assembly 11 connected to the moving lens barrel 133 moves, thereby changing the vertical height of the first lens assembly 11 to achieve lens telescopic or focusing.

It can be understood that the rotation direction of the above-mentioned active lens barrel 132 may correspond to the telescopic state of the camera module. change, when the active lens barrel 132 rotates in the second rotation direction, the camera module is driven by the active lens barrel 132 to change to a retracted state.

In the embodiment of the present application, the camera module can convert the rotation of the active lens barrel 132 into the driven lens barrel through the cooperation between the displacement transmission member 131 in the transmission assembly 13 and the active lens barrel 132 and the driven lens barrel 133 133 moves in the vertical height direction, so as to change the vertical height of the first lens assembly 11 to realize lens expansion and contraction or focus adjustment. Transmitting the displacement through the transmission assembly 13 can improve the stability of the first lens assembly 11 during the movement, thereby improving the precision of lens expansion and contraction or focusing.

It should be noted that, please continue to refer to FIG. 1 to FIG. 3 , when the first lens assembly 11 , the second lens assembly 21 and the third lens assembly 22 are sequentially distributed along the horizontal axis, the above-mentioned first lens assembly 11 is in the first position Movement to the second position may result in a change in the position of the first lens assembly 11 in the first axial direction.

Further, please refer to FIG. 4, and please refer to FIGS. 1 to 3 together. The displacement transmission member 131 includes a connecting member 1311 and a second elastic member 1312. The connecting member 1311 is connected to the first drive assembly 12, and the connecting member 1311 can be Sliding between the third position and the fourth position along the circumferential direction of the active lens barrel 132;

The second elastic member 1312 is arranged along the circumferential direction of the active lens barrel 132, one end of the second elastic member 1312 is fixedly connected to the connecting member 1311, and the other end abuts against the active lens barrel 132, and the second elastic member 1312 is arranged in a compressed state;

When the connecting member 1311 moves from the third position to the fourth position, the second elastic member 1312 drives the active lens barrel 132 to rotate from the first state to the second state.

In the embodiment of the present application, referring to FIG. 4 and referring to FIGS. 1 to 3 together, the above-mentioned displacement transmission member 131 may include a connecting member 1311 and a second elastic member 1312, and the above-mentioned connecting member 1311 is controlled by the first driving assembly 12. driven so as to be able to slide along the circumferential direction of the active lens barrel 132 .

In a specific embodiment, the above-mentioned connecting piece 1311 can be an arc-shaped rack, and the above-mentioned connecting piece 1311 can be meshed with the above-mentioned first driving assembly 12, so that driven by the first driving assembly 12, the active mirror Circumferential movement of the barrel 132. The active lens barrel 132 can be provided with sliding guide rails along the circumference, of course, the above sliding guide rails can also be provided on the mounting base, and the above-mentioned connecting member 1311 can be slidably connected with the sliding guide rails and can move along the sliding guide rails. In this case, the above-mentioned third position and the above-mentioned fourth position can be determined as the two ends of the sliding guide rail.

The above-mentioned second elastic member 1312 can be arranged on one side of the above-mentioned connecting member 1311, and arranged along the circumferential direction of the active lens barrel 132, and at the same time, one end of the second elastic member 1312 can abut against the mounting seat 30, taking the above-mentioned embodiment as an example One end of the above-mentioned connecting piece 1311 can be provided with a limit baffle, and the active lens barrel 132 can also be provided with a raised limit baffle on the outer wall, and one end of the above-mentioned second elastic member 1312 can be connected with the limit stop of the sliding guide rail. The plate is fixedly connected, and the other end can abut against the limiting baffle of the active lens barrel 132 . Further, the above-mentioned second elastic member 1312 can be sleeved on the limiting rod, so as to prevent the second elastic member 1312 from being dislodged from its original position.

In order to realize the extension of the lens, when the above-mentioned connecting part 1311 moves along the circumferential direction of the active lens barrel 132, the connecting part 1311 will drive the second elastic part 1312 to move together, and the movement of the second elastic part 1312 can drive the active lens barrel 132 Rotation occurs. And when the lens is impacted by an external force, since the active lens barrel 132 abuts against the second elastic member 1312, the second elastic member 1312 can provide elastic cushioning for the active lens barrel 132 during the inversion process, so that The function of protecting the lens. That is to say, in the embodiment of the present application, the second elastic member 1312 is provided in the displacement transmission member 131, so as to drive the active lens barrel 132 to rotate, and at the same time play a buffering role for the active lens barrel 132, thereby improving the performance of the camera module. service life.

The above-mentioned second elastic member 1312 is similar to the above-mentioned first elastic member 24, and can be made of an elastic material with an elastic coefficient. In order to ensure the strength and service life of the second elastic member 1312, the second elastic member 1312 can be specifically made of spring steel Made of coil springs.

Specifically, referring to Figures 2 and 4 together, the outer wall of the active lens barrel 132 is protrudingly provided with a limiter 1321, and the two ends of the connector 1311 are respectively provided with a first limiter 13111 and a second limiter 13112, the limiter One side of the portion 1321 abuts against the first limiting plate 13111, the opposite side of the limiting portion 1321 abuts against one end of the second elastic member 1312, and the other end of the second elastic member 1312 abuts against the second limiting plate 13112 Fixed connection.

In the embodiment of the present application, in order to realize the extension of the lens, when the above-mentioned connecting member 1311 moves, the second limiting plate 13112 will drive the second elastic member 1312 to move, so that the second elastic member 1312 drives the limiting part 1321 to move together, Thus, the rotation of the active lens barrel 132 is realized. At the same time, through the first limiting plate 13111 limiting the limiting portion 1321 , the synchronization of the movement of the active lens barrel 132 and the connecting member 1311 can be ensured.

And when the above-mentioned active lens barrel 132 reversely rotates due to the impact, the limit part 1321 of the above-mentioned active lens barrel 132 will compress the second elastic member 1312, and the second elastic member 1312 converts the dynamic potential energy into elastic potential energy, thereby realizing buffering , to avoid damage to the camera module due to collisions of components.

Optionally, please continue to refer to FIG. 3 , and please refer to FIGS. 1 to 2 together. The transmission assembly 13 further includes a first lens barrel 134 and a second lens barrel 135 . The active lens barrel 132 is sleeved on the second lens barrel 135 Outside, the second lens barrel 135 is set outside the driven lens barrel 133 , the driven lens barrel 133 is set outside the first lens barrel 134 , and the first lens assembly 11 is set inside the first lens barrel 134 ;

The active lens barrel 132 is connected to the second lens barrel 135, and when the active lens barrel 132 rotates from the first state to the second state, the active lens barrel 132 drives the second lens barrel 135 to rotate from the third state to the fourth state;

The first lens barrel 134 is connected with the second lens barrel 135, and when the second lens barrel 135 rotates from the third state to the fourth state, the first lens barrel 134 moves from the fifth position to the sixth position; the fifth position The vertical height of is different from the vertical height of the sixth position;

The second lens barrel 135 is connected with the driven lens barrel 133. When the driven lens barrel 133 moves from the first position to the second position, the second lens barrel 135 moves from the seventh position to the eighth position; the seventh position The vertical height of is different from the vertical height of the eighth position.

In the embodiment of the present application, referring to FIG. 2 and FIG. 3 together, in order to further increase the stroke of the first lens assembly 11 in the first axial direction, the transmission assembly 13 may further include a first lens barrel 134 and a second lens barrel 134 The barrel 135 changes the vertical height of the first lens assembly 11 through cooperation of the active lens barrel 132 , the driven lens barrel 133 , the first lens barrel 134 and the second lens barrel 135 .

Specifically, the above-mentioned active lens barrel 132 can be sleeved on the outside of the second lens barrel 135 and connected to the second lens barrel 135 , so that when the active lens barrel 132 rotates, the second lens barrel 135 rotates accordingly.

The above-mentioned driven lens barrel 133 can be sleeved outside the above-mentioned first lens barrel 134, and the first lens barrel 134 is connected with the second lens barrel 135, so that in the process of the rotation of the second lens barrel 135, the first lens can be driven. The barrel 134 moves from the fifth position to the sixth position, thereby changing the vertical height of the first lens assembly 11 arranged in the first lens barrel 134. The specific implementation can refer to the gap between the active lens barrel 132 and the driven lens barrel 133. The transmission mode will not be repeated here.

The above-mentioned second lens barrel 135 can be sleeved outside the driven lens barrel 133 and connected with the driven lens barrel 133, so that when the driven lens barrel 133 moves from the first position to the second position, the above-mentioned second lens can be driven. The barrel 135 moves from the seventh position to the eighth position. The above-mentioned seventh position and eighth position are similar to the above-mentioned first position and second position, and will not be repeated here.

It can be understood that the above-mentioned second lens barrel 135 can be displaced in the above-mentioned first axial direction while rotating, that is, the above-mentioned second lens barrel 135 can cooperate with the active lens barrel 132 and the driven lens barrel 133 to Move in a spiral. The first lens barrel 134 can be connected to the second lens barrel 135 by passing through the hollow of the driven lens barrel 133 .

In the embodiment of the present application, by setting the active lens barrel 132, the driven lens barrel 133, the first lens barrel 134 and the second lens barrel 135 in the transmission member at the same time, the cooperative transmission between the multiple lens barrels improves the The stroke of the first lens assembly 11 on the first axis can further improve the diffraction limit and the amount of incoming light, and improve the optical performance.

Optionally, referring to FIG. 2 , FIG. 4 and FIG. 5 , the barrel wall of the active lens barrel 132 is provided with a first sliding groove 1322 , and the included angle between the extending direction of the first sliding groove 1322 and the circumferential direction of the active lens barrel 132 is Acute angle, the position of the driven lens barrel 133 corresponding to the sliding groove is provided with a first guide 1331, the first guide 1331 is partly located in the first sliding groove 1322, and can slide along the first sliding groove 1322;

When the active lens barrel 132 rotates from the first state to the second state, the first guide member 1331 moves from the ninth position of the first sliding groove 1322 to the tenth position of the first sliding groove 1322 .

In the embodiment of the present application, referring to Fig. 2 , Fig. 4 and Fig. 5 together, the transmission between the above-mentioned active lens barrel 132 and the driven lens barrel 133 can be realized through the cooperation of sliding grooves with guides, because the above-mentioned first sliding groove There is an acute included angle between the extension direction of 1322 and the circumferential direction of the active lens barrel 132, so that when the active lens barrel 132 rotates, the first guide member 1331 moves along the first sliding groove 1322 to drive the driven lens barrel 133 to move, thereby The vertical height of the driven lens barrel 133 is changed.

It should be understood that the above included angle may be understood as a minimum included angle between the extending direction of the first sliding groove 1322 and the circumferential direction of the active lens barrel 132 .

Further, the first guide 1331 is arranged in a prism, and the first guide 1331 has a guiding slope 13311, the guiding slope 13311 is set towards the groove wall of the first sliding groove 1322, and the guiding slope 13311 is parallel to the groove wall of the first sliding groove 1322 , and the guide slope 13311 is at least partially attached to the groove wall of the first sliding groove 1322 .

In the embodiment of the present application, referring to FIG. 5 , the above-mentioned first guide 1331 can be arranged in a prism shape, and the above-mentioned first guide 1331 is provided with a guide slope 13311 facing the groove wall of the first sliding groove 1322, so that the first guide 1331 During the sliding process of 1331 along the first sliding groove 1322, the contact between the first guide member 1331 and the groove wall of the first sliding groove 1322 is a surface contact through the guiding inclined surface 13311, thereby improving the stability and precision in the transmission process.

Optionally, please continue to refer to FIG. 2 , and FIG. 4 to FIG. 7 , the barrel wall of the active lens barrel 132 is provided with a first limiting groove 1323 , and the extension direction of the first limiting groove 1323 is perpendicular to the circumferential direction of the active lens barrel 132 The second lens barrel 135 is provided with a second guide 1351 corresponding to the position of the first limiting groove 1323, the second guiding member 1351 is at least partly located in the first limiting groove 1323, and can slide along the first limiting groove 1323;

When the active lens barrel 132 rotates from the first state to the second state, the first limiting groove 1323 drives the second guide member 1351 to rotate, so as to drive the second lens barrel 135 to rotate from the third state to the fourth state.

In the embodiment of the present application, referring to FIG. 2 , FIG. 4 and FIG. 7 together, in order to ensure that the above-mentioned active lens barrel 132 and the above-mentioned second lens barrel 135 rotate synchronously, the above-mentioned second guide member 1351 can be at least partially located at the first limit position In the groove 1323, since the extension direction of the first limiting groove 1323 is perpendicular to the circumferential direction of the active lens barrel 132, the first limiting groove 1323 will drive the second guide member 1351 to rotate together, thereby driving the second lens barrel 135 to rotate .

It can be understood that the above-mentioned second guide member 1351 can be adapted to the groove width of the above-mentioned first limiting groove 1323 , so as to further avoid the phenomenon that the rotation between the active lens barrel 132 and the second lens barrel 135 is out of sync.

Optionally, one end of the second lens barrel 135 abuts against the first guide member 1331, and when the driven lens barrel 133 moves from the first position to the second position, the first guide member 1331 drives the second lens barrel 135 Move from the seventh position to the eighth position.

In the embodiment of the present application, the second lens barrel 135 can be sleeved on the driven lens barrel 133 and at the same time, the end can abut against the protruding first guide 1331 , so that the first guide 1331 can The movement in the first axis drives the movement of the second lens barrel 135 in the first axis, which makes the structure more compact and further reduces the occupied space of the camera module.

It can be understood that, when the second lens barrel 135 moves from the seventh position to the eighth position, in combination with the above embodiment, the second guide 1351 of the second lens barrel 135 can move along the first limit groove 1323 The extension direction slides, so that the first limiting groove 1323 can also serve as a guide for the movement of the second lens barrel 135 in the first axial direction.

Optionally, the wall of the second lens barrel 135 is provided with a second sliding groove 1352, and the angle between the extension direction of the second sliding groove 1352 and the circumferential direction of the second lens barrel 135 is an acute angle; the first lens barrel 134 corresponds to the second The position of the second slide groove 1352 is provided with a third guide piece 1341, the third guide piece 1341 is at least partly located in the second slide groove 1352, and can slide along the second slide groove 1352;

When the second lens barrel 135 rotates from the third state to the fourth state, the third guiding member 1341 moves from the eleventh position of the second sliding groove 1352 to the twelfth position of the second sliding groove 1352 .

In the embodiment of the present application, the transmission mode in which the rotation of the second lens barrel 135 drives the movement of the first lens barrel 134 is consistent with the transmission mode in which the rotation of the above-mentioned active lens barrel 132 drives the movement of the driven lens barrel 133. In order to avoid repetition, This will not be repeated here. It should be understood that by further arranging the second lens barrel 135 and the first lens barrel 134 , the stroke of the first lens assembly 11 in the first axial direction can be increased, thereby further improving the optical performance.

Further, the barrel wall of the driven lens barrel 133 is provided with a second limiting groove 1332, and the extending direction of the second limiting groove 1332 is perpendicular to the circumferential direction of the driven lens barrel 133;

The third guide piece 1341 passes through the second limiting groove 1332 and the second sliding groove 1352 in turn, and when the second lens barrel 135 rotates from the third state to the fourth state, the third guide piece 1341 is limited by the second position. The thirteenth position of the slot 1332 moves to the fourteenth position of the second limiting slot 1332 .

In the embodiment of the present application, the wall of the driven lens barrel 133 may also be provided with a second limiting groove 1332, and the third guide member 1341 may pass through the second limiting groove 1332 first, and then connect with the second sliding groove. 1352 is slidingly connected, so that the third guide 1341 is limited by the extension direction of the second limiting groove 1332, and can only move along the first axial direction without relative rotation, thus preventing the first lens barrel 134 from moving with the second lens barrel 1341. The rotation of the barrel 135 ensures that the first lens assembly 11 does not rotate, prevents the rotation of the first lens assembly 11 from affecting the processing of light by the first lens assembly 11, and ensures the optical performance of the camera module. .

Optionally, referring to FIG. 8, and referring to FIGS. 1 to 7 together, the second drive assembly 23 includes a piezoelectric element 231 and a friction guide 232. The friction guide 232 is fixed on the mounting base 30. The piezoelectric element 231 and The third lens assembly 22 is connected, and the piezoelectric element 231 abuts against the friction guide 232 , the piezoelectric element 231 can move along the friction guide 232 to drive the third lens assembly 22 to move.

In the embodiment of the present application, referring to FIG. 8 , it is known that the piezoelectric element 231 is an element that converts voltage into force, and is also called a piezoelectric unit, that is, the piezoelectric element 231 can vibrate when a voltage is applied, and The outer surface of the friction guide 232 has a certain coefficient of friction, so that when the piezoelectric element 231 abuts against the friction guide 232, a frictional force is generated between the piezoelectric element 231 and the friction guide 232 to overcome the friction of the piezoelectric element 231. Its own gravity, so as to ensure that the piezoelectric element 231 does not displace when it is not energized. The abutment can be understood as the interaction force between the piezoelectric element 231 and the friction guide 232 in the direction perpendicular to the contact surface, so that the piezoelectric element 231 and the friction guide 232 squeeze each other to generate friction.

The friction guide 232 can be fixed to the mounting base 30 to provide friction for the piezoelectric element 231 . Specifically, the above-mentioned friction guide 232 can be fixedly arranged on the above-mentioned mounting seat 30 by clamping, inserting or bonding. Seat 30 remains relatively stationary. After the piezoelectric element 231 is energized, since the piezoelectric element 231 itself vibrates, and at the same time the friction between the piezoelectric element 231 and the friction guide 232 causes the piezoelectric element 231 to deform, the deformation restoring force of the piezoelectric element 231 The displacement of the piezoelectric element 231 can drive the displacement of the second lens assembly 20 .

Exemplarily, if the piezoelectric element 231 is arranged as a cuboid in FIG. It can be bent upwards, so that the piezoelectric element 231 is temporarily in a "U" shape, and the parts on both sides of the long side of the piezoelectric element 231 are affected by the elastic restoring force, and are displaced upward, so that the piezoelectric element 231 moves along the friction guide 232. overall upward displacement. Of course, the displacement direction and displacement speed of the piezoelectric element 231 can be specifically set according to the direction and magnitude of the applied voltage, so as to ensure that the displacement of the piezoelectric element 231 can drive the second lens assembly 20 to approach or move away from the mounting seat 30. This will not give examples one by one.

The above-mentioned piezoelectric element 231 can be made of piezoelectric material, specifically ceramic piezoelectric element or quartz piezoelectric element, etc. The above-mentioned piezoelectric element 231 can be arranged in the shape of a cuboid, cylinder, etc., and can be arranged according to actual needs. Similarly, the surface of the above-mentioned friction conductive member has a friction coefficient, and can be made of plastic, metal, or carbon material. The required displacement range is set, and will not be listed one by one here.

In the embodiment of the present application, since the second driving assembly 23 in the camera module includes a piezoelectric element 231 and a friction guide 232, the piezoelectric element 231 is fixed to the second lens assembly 20 and at the same time abuts against the friction guide 232, pressing The electric element 231 vibrates itself when a voltage is applied, and the friction between the piezoelectric element 231 and the friction guide 232 causes the piezoelectric element 231 to deform itself, and the restoring force of the deformation causes the piezoelectric element 231 to displace along the friction guide 232 , thereby driving the displacement of the second lens assembly 20 , that is, realizing the telescoping function of the second lens assembly 20 , and because the volume of the piezoelectric element 231 is usually small, the overall occupied space of the camera module can be reduced.

Optionally, one side of the second lens assembly 20 is provided with a mounting bracket 25, and the second driving assembly 23 further includes a third elastic member 233, the third elastic member 233 is fixedly connected to the mounting bracket 25, and the third elastic member 233 is connected to the mounting bracket 25. The piezoelectric element 231 is fixedly connected.

In the embodiment of the present application, in order to facilitate the connection between the above-mentioned second lens assembly 20 and the above-mentioned piezoelectric element 231, one side of the above-mentioned second lens assembly 20 may be provided with a mounting bracket 25, and the second lens assembly 20 may also include a second Three elastic parts 233, the third elastic part 233 is fixedly connected with the mounting bracket 25, and the third elastic part 233 is fixedly connected with the piezoelectric element 231 at the same time, so that the piezoelectric element 231 It is relatively stationary with the second lens assembly 20 .

Specifically, in some embodiments, referring to FIG. 8, the above-mentioned piezoelectric element 231 can be located between the third elastic member 233 and the mounting bracket 25, and the third elastic member 233 and the mounting bracket 25 can cooperate to clamp the above-mentioned piezoelectric element 231. . In some embodiments, the above-mentioned mounting bracket 25 may include an accommodating housing, and a third elastic member 233 is arranged between the inner wall of the accommodating housing and the piezoelectric element 231, and the third elastic member 233 is fixed to the inner wall of the accommodating housing. connection, fixedly connected with the piezoelectric element 231, and the piezoelectric element 231 abuts against the inner wall of the housing housing of the mounting bracket 25 at the same time, so that the piezoelectric element 231 and the second elastic member 233 are not deformed. The lens assembly 20 is relatively stationary.

It can be seen from the above that the piezoelectric element 231 vibrates when energized, and can move along the friction guide 232 in combination with the frictional force. Since the piezoelectric element 231 is connected with the above-mentioned mounting bracket 25 through the above-mentioned third elastic member 233, the piezoelectric element 231 The displacement of the element 231 can drive the displacement of the second lens assembly 20 provided with the mounting bracket 25 , that is, the transmission of the second lens assembly 20 is realized.

In addition, in the embodiment of the present application, since the third elastic member 233 has a certain elastic coefficient, when the piezoelectric element 231 vibrates, the third elastic member 233 can play a certain buffering role through elastic deformation, thereby prolonging the second The service life of the drive assembly 23.

It should be understood that the above-mentioned third elastic member 233 may be a shrapnel, or may be a spring or other elastic structures, which may be set according to actual needs. Correspondingly, the above-mentioned third elastic member 233 can be made of elastic material, because the third elastic member 233 needs to connect the above-mentioned piezoelectric element 231 and the above-mentioned mounting bracket 25, and needs to have a certain strength, so the material of the above-mentioned third elastic member 233 Optionally available in spring steel.

Further, please refer to FIG. 1 to FIG. 12 , the friction guide 232 is arranged in a cylindrical shape and fixed on the mounting base 30 ;

The installation bracket 25 is provided with a first limiting hole 251 through which the friction guide 232 passes, so that the installation bracket 25 can move along the axial direction of the friction guide 232 .

In the embodiment of the present application, in order to reduce space occupation, the above-mentioned friction guide 232 may be configured as a cylinder, and fixed on the above-mentioned mounting base 30 . It can be understood that the above-mentioned friction guide 232 can also play a guiding role while cooperating with the piezoelectric element 231 to move the piezoelectric element 231 . The above-mentioned mounting bracket 25 can be provided with a first limit hole 251 adapted to the above-mentioned friction guide 232, and the friction guide 232 can pass through the first limit hole 251, so that the movement direction of the mounting bracket 25 can be limited to friction The axial direction of the guide member 232 is used to improve the displacement accuracy of the second lens assembly 20 on which the mounting bracket 25 is disposed.

It should be understood that when the above-mentioned friction guide 232 is arranged in a columnar shape, the above-mentioned axial direction is the height direction of the friction guide 232; is the central axis of the friction guide 232 in the direction of the connection line between the piezoelectric element 231 and the photosensitive chip.

In a specific embodiment, referring to FIG. 8 or FIG. 9, and please also refer to FIG. 12, the above-mentioned friction guide 232 can be arranged in a cylindrical shape, and the above-mentioned first limiting hole 251 is correspondingly set as a round hole, so that the friction guide After the member 232 passes through the first limiting hole 251 , the installation bracket can only move along the axial direction of the friction guide member 232 . It should be understood that the above-mentioned friction guide 232 may be arranged perpendicular to the mounting base 30 , so as to ensure that the above-mentioned second lens assembly 20 is displaced in a direction perpendicular to the mounting base 30 .

Further, please continue to refer to FIG. 1 to FIG. 12 , the mounting bracket 25 includes a first boss 252 and a second boss 253 , and the first boss 252 is opposite to the second boss 253 ;

The number of first limiting holes 251 is two, and they are respectively arranged on the first boss 252 and the second boss 253; the piezoelectric element 231 is located between the first boss 252 and the second boss 253, and the piezoelectric The element 231 abuts against the friction guide 232 through the third elastic member 233 .

In the embodiment of the present application, referring to FIG. 12 , the number of the first limiting holes 251 may be two, and they are respectively provided on the first boss 252 and the second boss 253 of the installation bracket 25 . In order to make the above-mentioned friction guide 232 pass through the above-mentioned two first limiting holes 251 at the same time, the above-mentioned first boss 252 and the second boss 253 are arranged opposite to each other, and the two first limiting holes 251 are on the mounting base 30 The vertical projections coincide with each other, so that the second lens assembly 20 can be further prevented from shaking when it moves along the friction guide 232 by setting two limit holes for limiting, and the displacement stability of the second lens assembly 20 is improved.

8 to 9, the piezoelectric element 231 can be arranged between the first boss 252 and the second boss 253, because the friction guide 232 needs to pass through the two limiting holes, so the above-mentioned The friction guide 232 is also partially located between the above-mentioned first boss 252 and the second boss 253 . The piezoelectric element 231 and the friction guide 232 may contact at a position between the first boss 252 and the second boss 253 . Specifically, since the third elastic member 233 is connected to the mounting bracket 25 and the piezoelectric element 231 at the same time, the third elastic member 233 can provide the piezoelectric element 231 with an elastic force perpendicular to the contact surface of the friction guide 232 , so that the piezoelectric element 231 can abut against the friction guide 232, since the third elastic member 233 can be elastically deformed when the piezoelectric element 231 vibrates to play a buffering role, it can avoid the vibration caused by the piezoelectric element 231 If the frictional force between the piezoelectric element 231 and the frictional guide 232 is too large or too small, the stability of the second lens assembly 20 when moving is improved.

Optionally, the third elastic member 233 includes a first elastic arm, a second elastic arm and a fixing groove, the fixing groove is located between the first elastic arm and the second elastic arm, and is used for accommodating and fixing the piezoelectric element 231;

Both sides of the mounting bracket 25 are respectively provided with a first engaging groove and a second engaging groove, the protrusion of the first elastic arm engages in the first engaging groove, and the protrusion of the second elastic arm engages in the second engaging groove.

In the embodiment of the present application, referring to FIG. 10 and referring to FIGS. 1 to 9 together, the above-mentioned third elastic member 233 may include a first elastic arm 2331, a second elastic arm 2332 and a fixing groove 2333. The fixing groove 2333 is located at Between the first elastic arm 2331 and the second elastic arm 2332 is used to receive and fix the piezoelectric element 231 . Specifically, in an optional embodiment, the groove wall of the above-mentioned fixing groove 2333 may have a snap-fit structure, so as to clip the piezoelectric element 231 into the above-mentioned fixing groove 2333 . Certainly, in other optional implementation manners, the above-mentioned fixing groove 2333 may also be fixedly connected to the piezoelectric element 231 by means of bonding or welding, which will not be further limited here.

Both sides of the above-mentioned mounting bracket 25 can be respectively provided with a first slot and a second slot, one end of the first elastic arm 2331 can have a buckle-shaped protrusion, and one end of the second elastic arm 2332 can also have a buckle-type protrusion. The protrusion, so that the first elastic arm 2331 can be engaged with the first slot, and the second elastic arm 2332 can be engaged with the second slot, so as to realize the connection between the third elastic member 233 and the mounting bracket 25 .

In addition, when the above-mentioned first elastic arm 2331 and second elastic arm 2332 are clamped with the mounting bracket 25, a certain elastic deformation can occur, so that the elastic restoring force can make the piezoelectric element 231 accommodated in the fixing groove 2333 and the friction guide The contact between the above-mentioned piezoelectric element 231 and the friction guide member 232 is achieved through the third elastic member 233 .

Optionally, the camera module also includes a power supply and a flexible circuit (Flexible Printed Circuit, FPC) board, one end of the FPC board 26 is connected to the piezoelectric element 231, and the other end is connected to the power supply, so that the power supply and the piezoelectric element 231 is electrically connected.

In the embodiment of the present application, the power supply part and the piezoelectric element 231 are electrically connected through the FPC board 26, so as to apply voltage to the piezoelectric element 231, and the above-mentioned FPC board 26 can be partially arranged on the above-mentioned mounting seat 30, thereby further reducing space occupation . At the same time, when the piezoelectric element 231 moves along the friction guide 232 , the flexible circuit board can be deformed to avoid hindering the movement of the piezoelectric element 231 .

Further, referring to FIG. 8, FIG. 9 and FIG. 11, the flexible circuit FPC board 26 includes a bending portion 261, a first connecting arm 262 and a second connecting arm 263, and the bending portion 261 is located between the first connecting arm 262 and the second connecting arm 262. Between the arms 263, the first connecting arm 262 is connected to the piezoelectric element 231, the second connecting arm 263 is connected to the power supply member, and the first connecting arm 262 and the second connecting arm 263 are arranged at an angle;

When the piezoelectric element 231 moves to the first position, a first angle exists between the first connecting arm 262 and the second connecting arm 263, and when the piezoelectric element 231 moves to the second position, the first connecting arm 262 and the second connecting arm 263 A second included angle is formed between the two connecting arms 263 .

In the embodiment of the present application, referring to FIG. 11 , the above-mentioned FPC board 26 may have a bent portion 261, and the first connecting arm 262 and the second connecting arm 263 at both ends of the bent portion 261 are respectively connected to the piezoelectric element 231 and the power supply member, And the first connecting arm 262 and the second connecting arm 263 are arranged at an included angle, so that when the piezoelectric element 231 moves along the friction guide 232, the first connecting arm 262 and the second connecting arm 263 can change the included angle. The method avoids obstructing the movement of the piezoelectric element 231 .

For example, referring to FIG. 8 to FIG. 9, and please also refer to FIG. 11, FIG. 8 and FIG. 9 are schematic diagrams of the second lens assembly 20 at different positions respectively. It can be seen that when the second lens assembly 20 is at different positions, The first connecting arm 262 and the second connecting arm 263 present different included angles respectively.

Apparently, in FIGS. 8 to 9 and in conjunction with FIG. 11 , when the second lens assembly 20 moves downward, the angle between the first connecting arm 262 and the second connecting arm 263 gradually decreases, and the second lens assembly 20 When the component 20 moves upwards, the angle between the first connecting arm 262 and the second connecting arm 263 gradually increases, so that by setting the bent portion 261, the way of the first connecting arm 262 and the second connecting arm 263 is changed, Obstacles to the movement of the piezoelectric element 231 are avoided.

Optionally, referring to FIG. 8 and FIG. 12 , the camera module further includes a guide column, and the guide column is fixed to the mount 30;

The second lens assembly 20 defines a second limiting hole 27 at a position corresponding to the guide post. The guide post passes through the second limiting hole 27 and is in sliding contact with the inner wall of the second limiting hole 27 .

In the embodiment of the present application, referring to FIG. 8 and FIG. 12 , in order to further improve the stability of the second lens assembly 20 when moving, the above-mentioned camera module may also include one or more guide posts, and the above-mentioned second lens assembly 20 A second limiting hole 27 is defined at the position corresponding to the guide post, and the guide post is in sliding contact with the inner wall of the second limiting hole 27, so as to limit the movement of the second lens assembly 20 along the extending direction of the guide post.

It can be understood that, the above-mentioned guide post can guide the second lens assembly 20 alone, or cooperate with the friction guide 232 to jointly guide the second lens assembly 20 . When the friction guide 232 passes through the first limiting hole 251 , the extension direction of the guide column may be consistent with the extension direction of the friction guide 232 .

The embodiment of the present application also provides an electronic device, which includes the camera module mentioned in the above embodiments, so the electronic device has all the beneficial effects of the camera module.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the application is defined by the claims and their equivalents.

Claims (13)

1. A camera module, comprising a first lens assembly, a second lens assembly and a mount, the first lens assembly and the second lens assembly are both arranged on the mount, the first lens assembly includes a first A lens assembly and a first drive assembly, the second lens assembly includes a second lens assembly, a third lens assembly, a second drive assembly and a first elastic member, wherein,

   The first lens assembly, the second lens assembly, and the third lens assembly are arranged in sequence and arranged coaxially, and the first lens assembly abuts against the second lens assembly;

   The first drive assembly is connected to the first lens assembly, and the first drive assembly is used to drive the first lens assembly to move along the first axis; the second drive assembly is connected to the third lens assembly connected, the second drive assembly is used to drive the third lens assembly to move along the first axis; the first elastic member is sandwiched between the second lens assembly and the third lens assembly The space is arranged in a compressed state; the first elastic member can cause a relative displacement between the first lens component and the second lens component.
2. The camera module according to claim 1, wherein the first lens assembly further includes a transmission assembly, the transmission assembly includes a displacement transmission member, an active lens barrel and a driven lens barrel, and the active lens barrel is sleeved on Outside the driven lens barrel; the displacement transmission member is connected to the first drive assembly, and the displacement transmission member is connected to the active lens barrel;

   The first drive assembly drives the active lens barrel to rotate through the displacement transmission member;

   The driven lens barrel is slidingly connected to the active lens barrel, and the driven lens barrel is connected to the first lens assembly; when the active lens barrel rotates from the first state to the second state, The driven lens barrel drives the first lens assembly to move from a first position to a second position, and the vertical height of the first position is different from that of the second position.
3. The camera module according to claim 2, wherein the displacement transmission member includes a connecting member and a second elastic member, the connecting member is connected to the first driving assembly, and the connecting member can move along the active The circumferential direction of the lens barrel slides between the third position and the fourth position;

   The second elastic member is arranged along the circumferential direction of the active lens barrel, one end of the second elastic member is fixedly connected to the connecting member, and the other end abuts against the active lens barrel;

   When the connecting member moves from the third position to the fourth position, the second elastic member drives the active lens barrel to rotate from the first state to the second state.
4. The camera module according to claim 3, wherein the outer wall of the active lens barrel protrudes to provide a limiting portion, and the two ends of the connecting piece are respectively provided with a first limiting plate and a second limiting plate, so that One side of the limiting part is in contact with the first limiting plate, the opposite side of the limiting part is in contact with one end of the second elastic member, and the other end of the second elastic member is in contact with the second elastic member. The second limiting plate is fixedly connected.
5. The camera module according to claim 2, wherein the transmission assembly further includes a first lens barrel and a second lens barrel, the active lens barrel is sleeved outside the second lens barrel, and the second lens A sleeve is set outside the driven lens barrel, the driven lens barrel is set outside the first lens barrel, and the first lens assembly is set inside the first lens barrel;

   The active lens barrel is connected to the second lens barrel, and when the active lens barrel rotates from the first state to the second state, the active lens barrel drives the second lens barrel to rotate from the third state to the fourth state;

   The first lens barrel is connected to the second lens barrel, and when the second lens barrel rotates from the third state to the fourth state, the first lens barrel moves from the fifth position to the sixth position ; The vertical height of the fifth position is different from the vertical height of the sixth position;

   The second lens barrel is connected to the driven lens barrel, and when the driven lens barrel moves from the first position to the second position, the second lens barrel moves from the seventh position to the eighth position ; The vertical height of the seventh position is different from the vertical height of the eighth position.
6. The camera module according to claim 5, wherein the wall of the active lens barrel is provided with a first sliding groove, and the included angle between the extension direction of the first sliding groove and the circumferential direction of the active lens barrel is Acute angle, the position of the driven lens barrel corresponding to the sliding groove is provided with a first guide member, the first guide member is partially located in the first sliding groove, and can slide along the first sliding groove;

   When the active lens barrel is rotated from the first state to the second state, the first guide member moves from the ninth position of the first sliding groove to the tenth position of the first sliding groove.
7. The camera module according to claim 6, wherein the first guide is arranged in a prism, and the first guide has a guiding slope, and the guiding slope is arranged toward the groove wall of the first sliding groove, The guiding slope is parallel to the groove wall of the first sliding groove, and the guiding slope is at least partially attached to the groove wall of the first sliding groove.
8. The camera module according to claim 5, wherein the wall of the active lens barrel is provided with a first limiting groove, and the extending direction of the first limiting groove is perpendicular to the circumferential direction of the active lens barrel; The second lens barrel is provided with a second guide member at a position corresponding to the first limit groove, and the second guide member is at least partially located in the first limit groove and can move along the first limit groove. slot sliding;

   When the active lens barrel rotates from the first state to the second state, the first limiting groove drives the second guide to rotate, so as to drive the second lens barrel to rotate from the third state to the second state. Four states.
9. The camera module according to claim 5, wherein the wall of the second lens barrel is provided with a second sliding groove, and the clamping direction between the extending direction of the second sliding groove and the circumferential direction of the second lens barrel is The angle is an acute angle; the position of the first lens barrel corresponding to the second slide groove is provided with a third guide piece, the third guide piece is at least partly located in the second slide groove, and can move along the second slide groove. Sliding trough sliding;

   When the second lens barrel rotates from the third state to the fourth state, the third guide moves from the eleventh position of the second sliding groove to the twelfth position of the second sliding groove. Location.
10. The camera module according to claim 9, wherein the wall of the driven lens barrel is provided with a second limiting groove, and the extension direction of the second limiting groove is aligned with the circumferential direction of the driven lens barrel. vertical;

    The third guide piece passes through the second limiting groove and the second sliding groove in sequence, and when the second lens barrel rotates from the third state to the fourth state, the third guide piece Move from the thirteenth position of the second limiting groove to the fourteenth position of the second limiting groove.
11. The camera module according to claim 6, wherein one end of the second lens barrel abuts against the first guide member, when the driven lens barrel moves from the first position to the second position , the first guide member drives the second lens barrel to move from the seventh position to the eighth position.
12. The camera module according to claim 1, wherein the second drive assembly includes a piezoelectric element and a friction guide, the friction guide is fixed on the mount, and the piezoelectric element is connected to the third The lens components are connected, and the piezoelectric element abuts against the friction guide, and the piezoelectric element can move along the friction guide to drive the third lens component to move.
13. An electronic device, comprising the camera module according to any one of claims 1-12.

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