Camera decoration assembly, electronic equipment and lifting device

Abstract

The invention provides a camera decoration assembly, electronic equipment and a lifting device. The camera decoration assembly comprises a lifting device and a camera decoration part, the lifting device comprises a base, a driving mechanism, a first rocker, a first connecting rod, a second rocker and a mounting block, the first connecting rod is provided with a first end and a second end, one end of the first rocker is rotationally connected with the base, the other end of the first rocker is rotationally connected with the first end, and the second end of the first connecting rod is movably connected with the base; one end of the second rocker is rotationally connected with the first connecting rod, and the other end of the second rocker is rotationally connected with the mounting block; the driving mechanism is used for driving the first rocker to rotate in the first rotating direction or the second rotating direction relative to the base, so that the distance between the mounting block and the base is changed. The mounting block and the base are connected through the low pair mechanism, friction force loss is small, and power consumption is saved. The lifting device is simple in overall structure, easy to manufacture and low in cost, the lifting stroke of the mounting block is large, and the use requirement is met.

Description

Technical Field

[0001] This application relates to the field of electronic devices, and in particular to a camera decorative component, electronic device, and lifting device. Background Technology

[0002] With continuous technological advancements, cameras in electronic devices have gradually evolved into pop-up, retractable cameras. These cameras can rise and retract relative to the device's casing. Simultaneously, camera decorative elements also need to be compatible with these pop-up, retractable cameras, possessing the ability to rise and retract relative to the casing. Typically, these decorative elements achieve their lifting function through a lifting mechanism. However, current lifting mechanisms are structurally complex and costly to manufacture, and the lifting stroke of the camera decorative elements is relatively small, failing to meet usage requirements. Summary of the Invention

[0003] This application provides a camera decorative component, an electronic device, and a lifting device, aiming to provide a lifting device with a relatively simple structure, low manufacturing cost, and large lifting stroke, a camera decorative component including the lifting device, and an electronic device including the camera decorative component.

[0004] In a first aspect, a camera decorative assembly is provided. The camera decorative assembly includes a lifting device and a camera decorative piece. The lifting device includes a base, a drive mechanism, a first rocker arm, a first connecting rod, a second rocker arm, and a mounting block. The first connecting rod has a first end and a second end. One end of the first rocker arm is rotatably connected to the base, and the other end is rotatably connected to the first end. The second end of the first connecting rod is movably connected to the base. One end of the second rocker arm is rotatably connected to the first connecting rod, and the other end is rotatably connected to the mounting block. The camera decorative piece is mounted on the mounting block. The drive mechanism is located on the base and connected to the first rocker arm. The drive mechanism is used to drive the first rocker arm to rotate relative to the base in a first rotation direction or in a second rotation direction. The lifting device includes a first state and a second state. When the lifting device is in the first state, the distance between the mounting block and the base is a first gap. When the lifting device is in the second state, the distance between the mounting block and the base is a second gap. The first gap is smaller than the second gap. When the lifting device switches between the first state and the second state, the distance between the mounting block and the base changes.

[0005] It is understandable that, compared to some camera decoration components where the lifting device uses gear and worm gear transmission, utilizing the guide rail between the base and the mounting block to convert the circumferential rotation of the base into vertical lifting motion to achieve the lifting of the camera decoration, this method results in a large number of lifting device parts, higher manufacturing costs, and a smaller lifting stroke for the camera decoration. Furthermore, the lifting device uses a higher-pair mechanism, leading to lower transmission efficiency, higher frictional losses, and higher power consumption during operation. In contrast, the lifting device in this embodiment connects the base and mounting block through a linkage mechanism formed by a first rocker arm, a first connecting rod, and a second rocker arm. This lower-pair mechanism results in higher transmission efficiency, lower frictional losses, and reduced power consumption. The linkage mechanism also increases the movement stroke of the mounting block, thus increasing the lifting stroke of the camera decoration. Additionally, the first rocker arm, the first connecting rod, and the second rocker arm are all rod components, with simple structures that are easy to manufacture, reducing manufacturing costs and simplifying the manufacturing process.

[0006] In one possible implementation, during the transition from a first state to a second state of the lifting device, the first rocker arm rotates relative to the base along a first rotation direction, the first connecting rod moves relative to the base, the second rocker arm rotates relative to the first connecting rod, and the mounting block moves relative to the base along a first direction. During the transition from a second state to a first state of the lifting device, the first rocker arm rotates relative to the base along a second rotation direction, the first connecting rod moves relative to the base, the second rocker arm rotates relative to the first connecting rod, and the mounting block moves relative to the base along a second direction. The first and second directions are opposite, and the first direction is parallel to the thickness direction of the base.

[0007] In this way, by rotating the first rocker arm relative to the base in different directions, the mounting block can move relative to the base in a first or second direction under the action of the first rocker arm, the first connecting rod, and the second rocker arm. This allows the camera decorative piece to rise in the first direction or fall in the second direction relative to the base, thus achieving the lifting and lowering movement of the camera decorative piece. The movement of the lifting device is relatively simple and easy to control.

[0008] In one possible implementation, during the switching between the first and second states of the lifting device, the first rocker arm rotates in the opposite direction to the base, while the second rocker arm rotates in the opposite direction to the first connecting rod. Thus, when the lifting device switches between the first and second states, the different rotation directions of the first and second rocker arms allow the mounting block to move relative to the base along either the first or second direction, thereby achieving the lifting and lowering movement of the camera decorative component.

[0009] In one possible implementation, during the switching between the first and second states of the lifting device, the first connecting rod moves relative to the base, generating displacement along a first and a third direction, or displacement along a second and a fourth direction. The second rocker arm rotates relative to the first connecting rod, and the mounting block moves relative to the first connecting rod. The third and fourth directions are opposite, and the third direction is perpendicular to the thickness direction of the base. In this way, when the lifting device switches between the first and second states, the first connecting rod only moves relative to the base and does not rotate relative to it, making the movement of the lifting device simpler, easier to control, and reducing the difficulty of manufacturing.

[0010] In one possible implementation, during the transition from a first state to a second state of the lifting device, the first rocker arm rotates relative to the base along a first rotation direction, the first connecting rod moves relative to the base, and generates displacements along the first and third directions; the second rocker arm rotates relative to the first connecting rod along a second rotation direction; and the mounting block moves relative to the first connecting rod, and generates displacements along the first and fourth directions. During the transition from a second state to a first state of the lifting device, the first rocker arm rotates relative to the base along a second rotation direction, the first connecting rod moves relative to the base, and generates displacements along the second and fourth directions; the second rocker arm rotates relative to the first connecting rod along a first rotation direction; and the mounting block moves relative to the first connecting rod, and generates displacements along the first and third directions.

[0011] Thus, when the lifting device switches from the first state to the second state, the rotation directions of the first and second rockers are different, allowing the first connecting rod to displace relative to the base along both the first and third directions. The mounting block can also displace relative to the first connecting rod along both the first and fourth directions. The fourth-direction displacement of the mounting block relative to the first connecting rod can at least partially offset the third-direction displacement of the first connecting rod relative to the base. This allows the mounting block to generate a larger first-direction displacement relative to the base while reducing the displacement perpendicular to the first direction, which is beneficial for ensuring the lifting movement of the camera decorative component along the thickness direction of the base.

[0012] In one possible implementation, during the transition of the lifting device from a first state to a second state, the first connecting rod experiences a first displacement relative to the base along a third direction, and the mounting block experiences a second displacement relative to the first connecting rod along a fourth direction. The first and second displacements are equal. This allows the first displacement to cancel out the second displacement, enabling the mounting block to move the camera decorative piece linearly relative to the base along its thickness direction, thus achieving linear lifting.

[0013] In one possible implementation, the mounting block remains parallel to the base during the switching between the first and second states of the lifting device. This ensures the mounting block remains parallel to the base, preventing it from tipping over during movement and guaranteeing the smoothness of the camera decorative component's lifting motion.

[0014] In one possible implementation, during the switching between the first and second states of the lifting device, the first link remains parallel to the base. This ensures the first link remains parallel to the base, making its movement simpler and easier to control. The overall structure of the lifting device is also simpler and easier to design and manufacture.

[0015] In one possible implementation, the lifting device further includes a third rocker arm, one end of which is rotatably connected to the base, and the other end is rotatably connected to the second end of the first connecting rod. During the switching between the first and second states of the lifting device, the third rocker arm rotates relative to the base in the same direction as the first rocker arm. Thus, the second end of the first connecting rod can be movably connected to the base via the third rocker arm, and the first rocker arm, first connecting rod, third rocker arm, and base can form a four-bar linkage, which is relatively simple to operate and easy to control. Furthermore, the third rocker arm has a simple structure and is easy to manufacture, which helps reduce manufacturing costs.

[0016] In one possible implementation, the base has an arc-shaped groove, and the second end of the first connecting rod is slidably connected to the arc-shaped groove. The center of curvature of the arc-shaped groove is located on the side of the arc-shaped groove facing the first rocker arm. During the switching between the first and second states of the lifting device, the second end of the first connecting rod slides relative to the arc-shaped groove. In this way, the second end of the first connecting rod can cooperate with the arc-shaped groove of the base, and together with the first rocker arm and the base, it forms a four-bar linkage mechanism, which is relatively simple to move and easy to control.

[0017] In one possible implementation, the length of the third rocker arm is equal to the length of the first rocker arm. In this way, the first rocker arm, the first connecting rod, the third rocker arm, and the base can form a parallelogram mechanism. The first connecting rod can translate only relative to the base and always remain parallel to the base. The movement of the first connecting rod is relatively simple and easy to control.

[0018] In one possible implementation, the lifting device further includes a first constraint link having a first end and a second end. The first end is rotatably connected to a mounting block or a second rocker arm, and the second end is rotatably connected to a base. During the switching between the first and second states of the lifting device, the first constraint link rotates relative to the base in the same direction as the first rocker arm rotates relative to the base.

[0019] It is understandable that when the lifting device switches between the first and second states, the first constraint link can rotate in the same direction relative to the base as the first rocker arm, and the second rocker arm can rotate relative to the first link under the action of the first constraint link, but in the opposite direction to the rotation of the first rocker arm. Specifically, during the switching process from the first to the second state, the first link generates a first displacement relative to the base in a third direction, and the mounting block generates a second displacement relative to the first link in a fourth direction. In this way, the first displacement can offset at least part of the second displacement, allowing the mounting block to generate a larger displacement in the first direction relative to the base while reducing the displacement perpendicular to the first direction. This helps ensure the lifting and lowering movement of the camera decorative piece along the thickness direction of the base. This allows the mounting block to drive the camera decorative piece to move linearly relative to the base along its thickness direction, achieving linear lifting and lowering.

[0020] In one possible implementation, when the lifting device is in the first state, a first angle is formed between the first rocker arm and the first plane; when the lifting device is in the second state, a second angle is formed between the first rocker arm and the first plane. The angle of the first angle is smaller than the angle of the second angle, and the first plane is perpendicular to the thickness direction of the base.

[0021] Thus, when the lifting device is in the first state, the angle between the first rocker arm and the first plane is small, thereby reducing the thickness of the lifting device in the first state. When the lifting device is in the second state, the angle between the first rocker arm and the first plane is large, thereby increasing the distance between the camera decorative piece and the base after it rises relative to the base. When the lifting device switches between the first and second states, the stroke for driving the camera decorative piece to rise and fall relative to the base is larger. In other words, the lifting device of this solution can accommodate a longer lifting stroke while meeting the requirements for a thinner electronic device design.

[0022] In one possible implementation, the second included angle is less than 90°. Thus, when the lifting device is in the second state, the angle between the first rocker and the first plane can be less than 90°, thereby preventing the lifting device from experiencing play during movement and improving the movement accuracy of the lifting device.

[0023] In one possible implementation, when the lifting device is in the second state, the opening direction of the angle formed between the second rocker arm and the first plane is opposite to the opening direction of the second angle. Thus, during the transition from the first state to the second state, the first rocker arm can maintain rotation along the first rotation direction, and the second rocker arm can maintain rotation along the second rotation direction, allowing the mounting block to continuously rise and the distance between the mounting block and the base to continuously increase. Conversely, during the transition from the second state to the first state, the mounting block can continuously descend, and the distance between the mounting block and the base can continuously decrease. In other words, the lifting device can control the first rocker arm to rotate in different directions, allowing the mounting block to rise or fall relative to the base, resulting in high motion precision and simple control.

[0024] In one possible implementation, the lifting device further includes a fourth rocker arm, one end of which is rotatably connected to the mounting block, and the other end is rotatably connected to the first connecting rod. The length of the fourth rocker arm is equal to the length of the second rocker arm. In this way, the second rocker arm, the fourth rocker arm, the first connecting rod, and the mounting block can together form a parallelogram mechanism, which is relatively simple to move and easy to control, thus ensuring the smoothness and stability of the mounting block's movement. At the same time, the fourth rocker arm has a simple structure and is easy to manufacture, which helps reduce manufacturing costs.

[0025] In one possible implementation, the lifting device further includes a fifth rocker arm, a second connecting rod, and a sixth rocker arm. The second connecting rod has a third end and a fourth end. One end of the fifth rocker arm is rotatably connected to the base, and the other end is rotatably connected to the third end. The fourth end is movably connected to the base. One end of the sixth rocker arm is rotatably connected to the second connecting rod, and the other end is rotatably connected to the mounting block. A drive mechanism is also connected to the fifth rocker arm, and the drive mechanism is also used to drive the fifth rocker arm to rotate relative to the base in a first rotation direction or in a second rotation direction. During the switching between the first and second states of the lifting device, the direction of rotation of the fifth rocker arm relative to the base is the same as the direction of rotation of the first rocker arm relative to the base. In this way, the fifth rocker arm, the second connecting rod, and the sixth rocker arm can cooperate with the first rocker arm, the first connecting rod, and the second rocker arm to jointly realize the movement of the mounting block relative to the base in the first or second direction, which helps to ensure the smoothness and stability of the movement of the mounting block relative to the base.

[0026] In one possible implementation, the lifting device further includes a first connecting rod, which is fixedly connected between the first link and the second link. This allows the first link to move synchronously with the second link, improving the movement accuracy of the lifting device and ensuring smooth operation.

[0027] In one possible implementation, the lifting device further includes a second connecting rod, which is fixedly connected between the first rocker arm and the fifth rocker arm. This allows the first rocker arm to move synchronously with the fifth rocker arm, improving the movement accuracy of the lifting device and ensuring smooth movement.

[0028] Secondly, an electronic device is provided. The electronic device includes a housing, a camera module, and the aforementioned camera decorative component. The camera module is installed inside the housing, which has a light-transmitting hole. The light-inlet hole of the camera module faces the light-transmitting hole, and the camera decorative component is installed in the light-transmitting hole. The lifting device of the camera decorative component in this embodiment has a simple structure, is easy to manufacture, and has a large stroke for driving the camera decorative component to rise and fall, meeting the usage requirements.

[0029] Thirdly, a lifting device is provided. The lifting device includes a base, a drive mechanism, a first rocker arm, a first connecting rod, a second rocker arm, and a mounting block. The first connecting rod has a first end and a second end. One end of the first rocker arm is rotatably connected to the base, and the other end is rotatably connected to the first end. The second end of the first connecting rod is movably connected to the base. One end of the second rocker arm is rotatably connected to the first connecting rod, and the other end is rotatably connected to the mounting block. The drive mechanism is located on the base and connected to the first rocker arm. The drive mechanism is used to drive the first rocker arm to rotate relative to the base in a first rotation direction or in a second rotation direction. The lifting device includes a first state and a second state. When the lifting device is in the first state, the distance between the mounting block and the base is a first gap. When the lifting device is in the second state, the distance between the mounting block and the base is a second gap. The first gap is smaller than the second gap. When the lifting device switches between the first state and the second state, the distance between the mounting block and the base changes.

[0030] Understandably, compared to some lifting devices that use gears and worm gears to drive the camera decoration, which utilize the guide rail between the base and the mounting block to convert the circumferential rotation of the base into vertical lifting motion, this method results in a larger number of lifting components, higher manufacturing costs, and a shorter lifting stroke for the camera decoration. Furthermore, the use of a higher-pair mechanism leads to lower transmission efficiency, higher frictional losses, and higher power consumption during operation. In contrast, the lifting device in this embodiment connects the base and mounting block via a linkage mechanism formed by a first rocker arm, a first connecting rod, and a second rocker arm. This lower-pair mechanism results in higher transmission efficiency, lower frictional losses, and reduced power consumption. The linkage mechanism also increases the movement stroke of the mounting block, thus increasing the lifting stroke of the camera decoration. Additionally, the first rocker arm, the first connecting rod, and the second rocker arm are all rod components, making their simple structure easy to manufacture, reducing manufacturing costs, and simplifying the manufacturing process.

[0031] In one possible implementation, during the transition from a first state to a second state of the lifting device, the first rocker arm rotates relative to the base along a first rotation direction, the first connecting rod moves relative to the base, the second rocker arm rotates relative to the first connecting rod, and the mounting block moves relative to the base along a first direction. During the transition from a second state to a first state of the lifting device, the first rocker arm rotates relative to the base along a second rotation direction, the first connecting rod moves relative to the base, the second rocker arm rotates relative to the first connecting rod, and the mounting block moves relative to the base along a second direction. The first and second directions are opposite, and the first direction is parallel to the thickness direction of the base.

[0032] In this way, by rotating the first rocker arm relative to the base in different directions, the mounting block can move relative to the base in a first or second direction under the action of the first rocker arm, the first connecting rod, and the second rocker arm. This allows the camera decorative piece to rise in the first direction or fall in the second direction relative to the base, thus achieving the lifting and lowering movement of the camera decorative piece. The movement of the lifting device is relatively simple and easy to control.

[0033] In one possible implementation, during the switching between the first and second states of the lifting device, the first rocker arm rotates in the opposite direction to the base, while the second rocker arm rotates in the opposite direction to the first connecting rod. Thus, when the lifting device switches between the first and second states, the different rotation directions of the first and second rocker arms allow the mounting block to move relative to the base along either the first or second direction, thereby achieving the lifting and lowering movement of the camera decorative component.

[0034] In one possible implementation, during the switching between the first and second states of the lifting device, the first connecting rod moves relative to the base, generating displacement along a first and a third direction, or displacement along a second and a fourth direction. The second rocker arm rotates relative to the first connecting rod, and the mounting block moves relative to the first connecting rod. The third and fourth directions are opposite, and the third direction is perpendicular to the thickness direction of the base. In this way, when the lifting device switches between the first and second states, the first connecting rod only moves relative to the base and does not rotate relative to it, making the movement of the lifting device simpler, easier to control, and reducing the difficulty of manufacturing.

[0035] In one possible implementation, during the transition from a first state to a second state of the lifting device, the first rocker arm rotates relative to the base along a first rotation direction, the first connecting rod moves relative to the base, and generates displacements along the first and third directions; the second rocker arm rotates relative to the first connecting rod along a second rotation direction; and the mounting block moves relative to the first connecting rod, and generates displacements along the first and fourth directions. During the transition from a second state to a first state of the lifting device, the first rocker arm rotates relative to the base along a second rotation direction, the first connecting rod moves relative to the base, and generates displacements along the second and fourth directions; the second rocker arm rotates relative to the first connecting rod along a first rotation direction; and the mounting block moves relative to the first connecting rod, and generates displacements along the first and third directions.

[0036] Thus, when the lifting device switches from the first state to the second state, the rotation directions of the first and second rockers are different, allowing the first connecting rod to displace relative to the base along both the first and third directions. The mounting block can also displace relative to the first connecting rod along both the first and fourth directions. The fourth-direction displacement of the mounting block relative to the first connecting rod can at least partially offset the third-direction displacement of the first connecting rod relative to the base. This allows the mounting block to generate a larger first-direction displacement relative to the base while reducing the displacement perpendicular to the first direction, which is beneficial for ensuring the lifting movement of the camera decorative component along the thickness direction of the base.

[0037] In one possible implementation, during the transition of the lifting device from a first state to a second state, the first connecting rod experiences a first displacement relative to the base along a third direction, and the mounting block experiences a second displacement relative to the first connecting rod along a fourth direction. The first and second displacements are equal. This allows the first displacement to cancel out the second displacement, enabling the mounting block to move the camera decorative piece linearly relative to the base along its thickness direction, thus achieving linear lifting.

[0038] In one possible implementation, the mounting block remains parallel to the base during the switching between the first and second states of the lifting device. This ensures the mounting block remains parallel to the base, preventing it from tipping over during movement and guaranteeing the smoothness of the camera decorative component's lifting motion.

[0039] In one possible implementation, during the switching between the first and second states of the lifting device, the first link remains parallel to the base. This ensures the first link remains parallel to the base, making its movement simpler and easier to control. The overall structure of the lifting device is also simpler and easier to design and manufacture.

[0040] In one possible implementation, the lifting device further includes a third rocker arm, one end of which is rotatably connected to the base, and the other end is rotatably connected to the second end of the first connecting rod. During the switching between the first and second states of the lifting device, the third rocker arm rotates relative to the base in the same direction as the first rocker arm. Thus, the second end of the first connecting rod can be movably connected to the base via the third rocker arm, and the first rocker arm, first connecting rod, third rocker arm, and base can form a four-bar linkage, which is relatively simple to operate and easy to control. Furthermore, the third rocker arm has a simple structure and is easy to manufacture, which helps reduce manufacturing costs.

[0041] In one possible implementation, the base has an arc-shaped groove, and the second end of the first connecting rod is slidably connected to the arc-shaped groove. The center of curvature of the arc-shaped groove is located on the side of the arc-shaped groove facing the first rocker arm. During the switching between the first and second states of the lifting device, the second end of the first connecting rod slides relative to the arc-shaped groove. In this way, the second end of the first connecting rod can cooperate with the arc-shaped groove of the base, and together with the first rocker arm and the base, it forms a four-bar linkage mechanism, which is relatively simple to move and easy to control.

[0042] In one possible implementation, the length of the third rocker arm is equal to the length of the first rocker arm. In this way, the first rocker arm, the first connecting rod, the third rocker arm, and the base can form a parallelogram mechanism. The first connecting rod can translate only relative to the base and always remain parallel to the base. The movement of the first connecting rod is relatively simple and easy to control.

[0043] In one possible implementation, the lifting device further includes a first constraint link having a first end and a second end. The first end is rotatably connected to a mounting block or a second rocker arm, and the second end is rotatably connected to a base. During the switching between the first and second states of the lifting device, the first constraint link rotates relative to the base in the same direction as the first rocker arm rotates relative to the base.

[0044] It is understandable that when the lifting device switches between the first and second states, the first constraint link can rotate in the same direction relative to the base as the first rocker arm, and the second rocker arm can rotate relative to the first link under the action of the first constraint link, but in the opposite direction to the rotation of the first rocker arm. Specifically, during the switching process from the first to the second state, the first link generates a first displacement relative to the base in a third direction, and the mounting block generates a second displacement relative to the first link in a fourth direction. In this way, the first displacement can offset at least part of the second displacement, allowing the mounting block to generate a larger displacement in the first direction relative to the base while reducing the displacement perpendicular to the first direction. This helps ensure the lifting and lowering movement of the camera decorative piece along the thickness direction of the base. This allows the mounting block to drive the camera decorative piece to move linearly relative to the base along its thickness direction, achieving linear lifting and lowering.

[0045] In one possible implementation, when the lifting device is in the first state, a first angle is formed between the first rocker arm and the first plane; when the lifting device is in the second state, a second angle is formed between the first rocker arm and the first plane. The angle of the first angle is smaller than the angle of the second angle, and the first plane is perpendicular to the thickness direction of the base.

[0046] Thus, when the lifting device is in the first state, the angle between the first rocker arm and the first plane is small, thereby reducing the thickness of the lifting device in the first state. When the lifting device is in the second state, the angle between the first rocker arm and the first plane is large, thereby increasing the distance between the camera decorative piece and the base after it rises relative to the base. When the lifting device switches between the first and second states, the stroke for driving the camera decorative piece to rise and fall relative to the base is larger. In other words, the lifting device of this solution can accommodate a longer lifting stroke while meeting the requirements for a thinner electronic device design.

[0047] In one possible implementation, the second included angle is less than 90°. Thus, when the lifting device is in the second state, the angle between the first rocker and the first plane can be less than 90°, thereby preventing the lifting device from experiencing play during movement and improving the movement accuracy of the lifting device.

[0048] In one possible implementation, when the lifting device is in the second state, the opening direction of the angle formed between the second rocker arm and the first plane is opposite to the opening direction of the second angle. Thus, during the transition from the first state to the second state, the first rocker arm can maintain rotation along the first rotation direction, and the second rocker arm can maintain rotation along the second rotation direction, allowing the mounting block to continuously rise and the distance between the mounting block and the base to continuously increase. Conversely, during the transition from the second state to the first state, the mounting block can continuously descend, and the distance between the mounting block and the base can continuously decrease. In other words, the lifting device can control the first rocker arm to rotate in different directions, allowing the mounting block to rise or fall relative to the base, resulting in high motion precision and simple control.

[0049] In one possible implementation, the lifting device further includes a fourth rocker arm, one end of which is rotatably connected to the mounting block, and the other end is rotatably connected to the first connecting rod. The length of the fourth rocker arm is equal to the length of the second rocker arm. In this way, the second rocker arm, the fourth rocker arm, the first connecting rod, and the mounting block can together form a parallelogram mechanism, which is relatively simple to move and easy to control, thus ensuring the smoothness and stability of the mounting block's movement. At the same time, the fourth rocker arm has a simple structure and is easy to manufacture, which helps reduce manufacturing costs.

[0050] In one possible implementation, the lifting device further includes a fifth rocker arm, a second connecting rod, and a sixth rocker arm. The second connecting rod has a third end and a fourth end. One end of the fifth rocker arm is rotatably connected to the base, and the other end is rotatably connected to the third end. The fourth end is movably connected to the base. One end of the sixth rocker arm is rotatably connected to the second connecting rod, and the other end is rotatably connected to the mounting block. A drive mechanism is also connected to the fifth rocker arm, and the drive mechanism is also used to drive the fifth rocker arm to rotate relative to the base in a first rotation direction or in a second rotation direction. During the switching between the first and second states of the lifting device, the direction of rotation of the fifth rocker arm relative to the base is the same as the direction of rotation of the first rocker arm relative to the base. In this way, the fifth rocker arm, the second connecting rod, and the sixth rocker arm can cooperate with the first rocker arm, the first connecting rod, and the second rocker arm to jointly realize the movement of the mounting block relative to the base in the first or second direction, which helps to ensure the smoothness and stability of the movement of the mounting block relative to the base.

[0051] In one possible implementation, the lifting device further includes a first connecting rod, which is fixedly connected between the first link and the second link. This allows the first link to move synchronously with the second link, improving the movement accuracy of the lifting device and ensuring smooth operation.

[0052] In one possible implementation, the lifting device further includes a second connecting rod, which is fixedly connected between the first rocker arm and the fifth rocker arm. This allows the first rocker arm to move synchronously with the fifth rocker arm, improving the movement accuracy of the lifting device and ensuring smooth movement. Attached Figure Description

[0053] To more clearly illustrate the technical solutions in the embodiments of this application or the background art, the accompanying drawings used in the embodiments of this application or the background art will be described below.

[0054] Figure 1 This is a schematic diagram of the structure of the electronic device provided in some embodiments of this application;

[0055] Figure 2 yes Figure 1 A schematic diagram of the electronic device shown from another perspective;

[0056] Figure 3 yes Figure 1 The diagram shows an exploded view of the electronic device in some embodiments;

[0057] Figure 4a yes Figure 3 The diagram shows the structure of the camera trim component of the electronic device in some embodiments when it is in a first state;

[0058] Figure 4b yes Figure 4aThe diagram shows the structure of the camera decorative component in its second state.

[0059] Figure 5 yes Figure 4a The diagram shows an exploded view of the camera decorative component in some embodiments.

[0060] Figure 6 yes Figure 5 The diagram shows an exploded view of the lifting device in some embodiments.

[0061] Figure 7 yes Figure 6 The diagram shows an exploded view of the drive mechanism in some embodiments.

[0062] Figure 8 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point AA;

[0063] Figure 9 yes Figure 6 The diagram shows the structural schematic of the base of the lifting device in some embodiments;

[0064] Figure 10 yes Figure 6 The diagram shows an assembly structure of the drive mechanism and base in some embodiments;

[0065] Figure 11 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point AA;

[0066] Figure 12 yes Figure 6 The diagram shows an exploded view of the transmission mechanism of the lifting device in some embodiments.

[0067] Figure 13 yes Figure 12 A schematic diagram of the first transmission rod of the transmission mechanism shown in some embodiments;

[0068] Figure 14 yes Figure 12 The diagram shows the assembly structure of the first and second transmission rods in some embodiments.

[0069] Figure 15 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point BB.

[0070] Figure 16 yes Figure 5 A partial structural schematic diagram of the lifting device shown;

[0071] Figure 17 yes Figure 16 A schematic diagram of the structure shown from another perspective;

[0072] Figure 18 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point CC.

[0073] Figure 19 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point AA;

[0074] Figure 20 yes Figure 16 The diagram shown is a structural schematic of the intermediate state of the structure.

[0075] Figure 21 yes Figure 18 The diagram shown is a structural schematic of the intermediate state of the structure.

[0076] Figure 22 yes Figure 16 The diagram shown is a schematic of the structure in its second state.

[0077] Figure 23 yes Figure 18 The diagram shown is a schematic of the structure in its second state.

[0078] Figure 24 yes Figure 5 The diagram shows a partial structural schematic of the lifting device in some embodiments.

[0079] Figure 25 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point BB.

[0080] Figure 26 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point DD;

[0081] Figure 27 yes Figure 24 The diagram shown is a structural schematic from another perspective when the structure is in an intermediate state.

[0082] Figure 28 yes Figure 24 The diagram shown is a structural schematic from another perspective when the structure is in the second state.

[0083] Figure 29 yes Figure 5 The diagram shows a structural schematic of the lifting device in some embodiments;

[0084] Figure 30 yes Figure 5 A partial cross-sectional structural diagram of one embodiment of the lifting device shown, cut along point BB.

[0085] Figure 31 yes Figure 29 The diagram shows the structure of the lifting device in its intermediate state.

[0086] Figure 32 yes Figure 29 The diagram shows the structure of the lifting device in its second state. Detailed Implementation

[0087] The embodiments of this application are described below with reference to the accompanying drawings.

[0088] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. "Fixed connection" refers to a connection where the relative positional relationship remains unchanged after connection. The directional terms mentioned in the embodiments of this application, such as "upper," "lower," "inner," and "outer," are only for reference to the directions in the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of this application, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application. "Multiple" refers to at least two.

[0089] In the embodiments of this application, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," "third," and "fourth" may explicitly or implicitly include one or more of that feature.

[0090] In the embodiments of this application, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0091] References to "one embodiment" or "some embodiments" as used in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, phrases such as "in one embodiment," "in some embodiments," "in other embodiments," and "in another embodiment" appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0092] It is understood that the specific embodiments described herein are merely for explaining the relevant invention and not for limiting the invention. It should also be noted that, for ease of description, only the parts relevant to the invention are shown in the accompanying drawings.

[0093] Figure 1 This is a schematic diagram of the structure of the electronic device 1000 provided in some embodiments of this application. Figure 2 yes Figure 1 The diagram shows the structure of the electronic device 1000 from another perspective. Figure 3 yes Figure 1 The diagram shows an exploded view of the electronic device 1000 in some embodiments.

[0094] like Figures 1 to 3 As shown, the electronic device 1000 can be a mobile phone, tablet computer, laptop computer, personal digital assistant (PDA), camera, personal computer, laptop computer, wearable device, or other device with camera function. Figure 1 The electronic device 1000 shown is illustrated using a mobile phone as an example. It should be noted that... Figures 1 to 3 The accompanying drawings below only schematically illustrate some components included in the electronic device 1000; the actual shape, size, location, and construction of these components are not subject to change. Figure 1 And the accompanying figures below. For ease of description, the width direction of electronic device 1000 is defined as the X-axis, the length direction as the Y-axis, and the thickness direction as the Z-axis. It is understood that the coordinate system of electronic device 1000 can be flexibly set according to specific actual needs.

[0095] For example, electronic device 1000 may include a screen 100 and a housing 200. The screen 100 may be mounted on the housing 200. The screen 100 may be used to display images, text, etc. The housing 200 may include a mid-frame 201 and a back cover 202. The back cover 202 may be located on the side of the mid-frame 201 facing away from the screen 100 and is fixedly connected to the mid-frame 201. In this case, the back cover 202 and the mid-frame 201 may enclose the internal space of electronic device 1000. The internal space of electronic device 1000 may be used to house internal components of electronic device 1000, such as batteries, speakers, microphones, and earpieces.

[0096] For example, the electronic device 1000 may further include a camera decorative assembly 300 and a camera module 400. The back cover 202 may have a light-transmitting hole 203. The camera module 400 may be mounted on the side of the mid-frame 201 facing away from the screen 100. The light-entry hole of the camera module 400 may be exposed relative to the light-transmitting hole 203 of the back cover 202. The lens of the camera module 400 may extend or retract relative to the light-transmitting hole 203. The camera decorative assembly 300 may be fixed to the back cover 202. The projection of the camera decorative assembly 300 onto the plane of the back cover 202 may cover the light-transmitting hole 203.

[0097] In other embodiments, when the electronic device 1000 is a device of other types, the electronic device 1000 may not include the screen 100.

[0098] Figure 4a yes Figure 3 The diagram shows the structure of the camera trim assembly 300 of the electronic device 1000 in some embodiments when it is in a first state. Figure 4b yes Figure 4a The diagram shows the structure of the camera decorative component 300 in its second state. Figure 5 yes Figure 4a The diagram shows an exploded view of the camera decorative component 300 in some embodiments. Figure 6 yes Figure 5 The diagram shows an exploded view of the lifting device 310 in some embodiments.

[0099] like Figures 4a to 6 As shown, the camera decoration assembly 300 may include a lifting device 310 and a camera decoration component 320. The camera decoration component 320 may be mounted on the lifting device 310. The lifting device 310 may be used to drive the camera decoration component 320 to move along a first direction or a second direction. The first direction and the second direction may be opposite directions. The first direction may intersect with the thickness direction of the camera decoration component 320. In this embodiment, both the first direction and the second direction may be parallel to the thickness direction of the camera decoration component 320. The first direction and the second direction may be parallel to the Z-axis direction.

[0100] For example, the lifting device 310 may include a transmission mechanism 10, a drive mechanism 20, a base 30, and a mounting block 40. Both the transmission mechanism 10 and the drive mechanism 20 can be mounted on the base 30. The mounting block 40 can be mounted on the transmission mechanism 10. The mounting block 40 can be used to mount the camera decoration 320. The drive mechanism 20 can be electrically connected to the motherboard (not shown) of the electronic device 1000. The drive mechanism 20 can drive the transmission mechanism 10 to move the mounting block 40 and the camera decoration 320 together along a first direction or a second direction, thereby raising and lowering the camera decoration 320 relative to the base 30.

[0101] The transmission mechanism 10 may include a first transmission component 10a and a second transmission component 10b. The first transmission component 10a and the second transmission component 10b may be symmetrically arranged. The first transmission component 10a and the second transmission component 10b may be symmetrically arranged about the camera decorative element 320. This ensures smooth movement when the transmission mechanism 10 moves the mounting block 40 and the camera decorative element 320 relative to the base 30. In other embodiments, the first transmission component 10a and the second transmission component 10b may have different structures.

[0102] For example, the camera decoration component 300 may have a first state and a second state. When the camera decoration component 300 is in the first state (e.g., Figure 4a As shown), the distance between the camera trim 320 and the base 30 of the lifting device 310 can be a first distance. When the camera trim assembly 300 is in the second state (e.g. Figure 4b As shown), the distance between the camera decorative piece 320 and the base 30 of the lifting device 310 can be a second distance. The second distance can be greater than the first distance. Under the action of the lifting device 310, the camera decorative piece 320 can descend relative to the back cover 202 to a first state, or rise relative to the back cover 202 to a second state (please refer to...). Figure 2 (As shown).

[0103] In other embodiments, the lifting device 310 may not include the mounting block 40. The camera trim 320 may also be mounted on the transmission mechanism 10.

[0104] The specific structure of the lifting device 310 will be described below with reference to the accompanying drawings.

[0105] Figure 7 yes Figure 6 The diagram shows an exploded view of the drive mechanism 20 in some embodiments. Figure 8 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along point AA.

[0106] like Figure 7 and Figure 8 As shown, the drive mechanism 20 may include a motor 21, a transmission component 22, a mounting component 23, a torsion spring 24, and a sleeve 25. The transmission component 22 may include a first rotating part 221, a second rotating part 222, a connecting part 223, and a swing arm 224. The first rotating part 221 may be spaced apart from the second rotating part 222. The connecting part 223 may be fixedly connected between the first rotating part 221 and the second rotating part 222. The first rotating part 221 may have a mounting hole 2211. The opening of the mounting hole 2211 may penetrate the surface of the first rotating part 221 facing away from the second rotating part 222. The first rotating part 221 may also have a first hole 2212. The first hole 2212 may penetrate the surface of the first rotating part 221 facing the second rotating part 222. The first hole 2212 may be directly opposite the second rotating part 222. The first hole 2212 may communicate with the mounting hole 2211. The second rotating part 222 may have a second hole 2221. The second hole 2221 can be positioned directly opposite the first hole 2212. The swing arm 224 can be fixedly connected to the first rotating part 221. The swing arm 224 can be located on the same side of the first rotating part 221, the second rotating part 222, and the connecting part 223. It should be noted that although the transmission component 22 is described in this embodiment as divided into four parts (i.e., the first rotating part 221, the second rotating part 222, the connecting part 223, and the swing arm 224), it does not affect the fact that the transmission component 22 is an integrally formed structure, that is, the first rotating part 221, the second rotating part 222, the connecting part 223, and the swing arm 224 can be integrally formed.

[0107] For example, the mounting member 23 can be a pin. The mounting member 23 can be inserted into the first hole 2212 and the second hole 2221. The sleeve 25 can be sleeved on the mounting member 23 and located between the first rotating part 221 and the second rotating part 222. The sleeve 25 can be spaced apart from the connecting part 223.

[0108] For example, the torsion spring 24 may include a body portion 241, a first extension portion 242, and a second extension portion 243. The body portion 241 may be sleeved on the sleeve 25. The first extension portion 242 and the swing arm 224 of the transmission member 22 may be located on the same side of the mounting member 23. The second extension portion 243 may be generally hook-shaped and sleeved on the connecting portion 223 of the transmission member 22. It should be noted that although the torsion spring 24 is described in this embodiment as divided into three parts (i.e., the body portion 241, the first extension portion 242, and the second extension portion 243), it does not affect the fact that the torsion spring 24 is a one-piece molded structure, that is, the body portion 241, the first extension portion 242, and the second extension portion 243 may be integrally molded.

[0109] For example, motor 21 can be electrically connected to the motherboard (not shown) of electronic device 1000. Motor 21 may have a rotating protrusion 211. The mounting hole 2211 of the first rotating portion 221 of transmission member 22 can be fitted and fixed to the rotating protrusion 211 of motor 21. The mounting hole 2211 of the first rotating portion 221 and the rotating protrusion 211 can be in a flat fit, allowing the first rotating portion 221 to rotate synchronously with the rotating protrusion 211. When motor 21 receives an electrical signal, the rotating protrusion 211 can rotate along a first rotation direction a or a second rotation direction b, driving transmission member 22 to rotate relative to mounting member 23 along the first rotation direction a or the second rotation direction b. The first rotation direction a may be opposite to the second rotation direction b.

[0110] Figure 9 yes Figure 6 The diagram shows the structure of the base 30 of the lifting device 310 in some embodiments. Figure 10 yes Figure 6 The diagram shows the assembly structure of the drive mechanism 20 and the base 30 in some embodiments. Figure 11 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along point AA.

[0111] like Figures 9 to 11 As shown, the base 30 may include a first mounting portion 31 and a second mounting portion 32 connected together. The first mounting portion 31 may be located on one side of the second mounting portion 32. The first mounting portion 31 may be a hollow structure, generally annular in shape. The inner side of the first mounting portion 31 may be used to accommodate a camera module 400 (see attached diagram). Figure 3 (As shown).

[0112] For example, the second mounting part 32 may have a mounting groove 321. The drive mechanism 20 may be mounted in the mounting groove 321. The end of the mounting member 23 facing away from the motor 21 may be fixed to the base 30. For example, the end of the mounting member 23 facing away from the motor 21 may have a groove 231, and the mounting groove 321 may also have a hole 322 opposite to the groove wall of the groove 231. The lifting device 310 may also have a fastener 50, which may pass through the hole 322 and the groove 231 to fix the mounting member 23 to the base 30. It should be noted that... Figure 6 The structure of fastener 50 is also shown. Figure 7 and Figure 8 The structure of the groove 231 of the mounting member 23 is also illustrated. In other embodiments, the mounting member 23 can also be fixed to the base 30 in other ways, which will not be described in detail here.

[0113] Figure 12 yes Figure 6The diagram shows an exploded view of the transmission mechanism 10 of the lifting device 310 in some embodiments. Figure 13 yes Figure 12 The diagram shows the structure of the first transmission rod 11 of the transmission mechanism 10 in some embodiments.

[0114] like Figure 12 and Figure 13 As shown, the transmission mechanism 10 may include a first transmission rod 11, a second transmission rod 12, a first constraint link 13, a second constraint link 14, a first link group 15, and a second link group 16. The first link group 15 may include a first link 151, a second link 152, and a third link 153. The second link group 16 may include a fourth link 161, a fifth link 162, and a sixth link 163. The first link group 15 may form part of the first transmission assembly 10a, and the second link group 16 may form part of the second transmission assembly 10b (please refer to...). Figure 6 (As shown).

[0115] For example, the first transmission rod 11 may include a first rod portion 111, a second rod portion 112, and a first connecting rod 113. For ease of understanding, Figure 13 In the accompanying drawings and subsequent sections, the first rod portion 111, the second rod portion 112, and the first connecting rod 113 are schematically defined by dashed lines. The first rod portion 111 and the second rod portion 112 can be identical in shape and size. The first rod portion 111 may have a first end 111a and a second end 111b. The second rod portion 112 may have a third end 112a and a fourth end 112b. The first end 111a of the first rod portion 111 may be positioned opposite to the third end 112a of the second rod portion 112. The second end 111b of the first rod portion 111 may be positioned opposite to the fourth end 112b of the second rod portion 112. The first connecting rod 113 of the first transmission rod 11 can be fixedly connected between the first end 111a of the first rod portion 111 and the third end 112a of the second rod portion 112.

[0116] It should be noted that although the first transmission rod 11 is described in this embodiment as divided into three parts (i.e., the first rod part 111, the second rod part 112, and the first connecting rod 113), it does not affect the fact that the first transmission rod 11 is an integrally formed structure, that is, the first rod part 111, the second rod part 112, and the first connecting rod 113 can be integrally formed.

[0117] Figure 14 yes Figure 12 The diagram shows the assembly structure of the first transmission rod 11 and the second transmission rod 12 in some embodiments. Figure 15 yes Figure 5The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along BB.

[0118] like Figure 12 , Figure 14 as well as Figure 15 As shown, the second transmission rod 12 may include a third rod portion 121, a fourth rod portion 122, and a second connecting rod 123. The third rod portion 121 and the fourth rod portion 122 may have identical shapes and sizes. The length of the third rod portion 121 may be equal to the length of the fourth rod portion 122. The third rod portion 121 may have a first end 121a and a second end 121b. The fourth rod portion 122 may have a third end 122a and a fourth end 122b. The first end 121a of the third rod portion 121 may be opposite to the third end 122a of the fourth rod portion 122. The second end 121b of the third rod portion 121 may be opposite to the fourth end 122b of the fourth rod portion 122. The second connecting rod 123 may be fixedly connected between the third rod portion 121 and the fourth rod portion 122. It should be noted that although the second transmission rod 12 is described in this embodiment as being divided into three parts (i.e., the third rod part 121, the fourth rod part 122, and the second connecting rod 123), it does not affect the fact that the second transmission rod 12 is an integrally formed structure, that is, the third rod part 121, the fourth rod part 122, and the second connecting rod 123 can be integrally formed.

[0119] Exemplarily, a portion of the first transmission rod 11 may be located between the first end 121a of the third rod portion 121 and the third end 122a of the fourth rod portion 122. The first end 121a of the third rod portion 121 is rotatably connected to the first end 111a of the first rod portion 111. The third end 122a of the fourth rod portion 122 is rotatably connected to the third end 112a of the second rod portion 112. Exemplarily, the plurality of rotating shafts 17 of the transmission mechanism 10 may include a first rotating shaft 171. The first transmission rod 11 may have a first rotating hole 114, which sequentially passes through the first end 111a of the first rod portion 111, the first connecting rod 113, and the third end 112a of the second rod portion 112. The first end 121a of the third rod portion 121 may have a second rotating hole 1211. The third end 122a of the fourth rod portion 122 may have a third rotating hole 1221. The first rotating hole 114 can be located between the second rotating hole 1211 and the third rotating hole 1221, and connect the second rotating hole 1211 and the third rotating hole 1221. The first rotating shaft 171 can be sequentially inserted into the second rotating hole 1211, the first rotating hole 114, and the third rotating hole 1221. At this time, the third rod portion 121 can rotate relative to the first rod portion 111 about the central axis of the first rotating shaft 171. The fourth rod portion 122 can rotate relative to the second rod portion 112 about the central axis of the first rotating shaft 171. In some embodiments, the transmission mechanism 10 may further include a retaining ring 18. Figure 12 The structure of the retaining ring 18 is also illustrated. The retaining ring 18 can be sleeved on the exposed end of the first rotating shaft 171 relative to the second transmission rod 12. In this way, the retaining ring 18 can prevent the first rotating shaft 171 from sliding along its axial direction. There can be multiple retaining rings 18. The remaining retaining rings 18 can be sleeved on other rotating shafts 17 of the transmission mechanism 10 to prevent the corresponding rotating shafts 17 from sliding along their axial direction. This will not be described in detail later.

[0120] Exemplarily, the first rod 151 may have a first end 151a and a second end 151b. The first end 151a of the first rod 151 is rotatably connected to the second end 111b of the first rod portion 111 of the first transmission rod 11. The fourth rod 161 may have a first end 161a and a second end 161b. The first end 161a of the fourth rod 161 is rotatably connected to the fourth end 112b of the second rod portion 112 of the first transmission rod 11. The shape and size of the first rod 151 may be exactly the same as the shape and size of the fourth rod 161.

[0121] For example, the multiple rotating shafts 17 of the transmission mechanism 10 may further include a second rotating shaft 172. The first end 151a of the first rod 151 may be provided with a fourth rotating hole 1511. The second end 111b of the first rod portion 111 may be provided with a fifth rotating hole 1111. The fourth rotating hole 1511 may connect with the fifth rotating hole 1111. The second rotating shaft 172 may pass through the fourth rotating hole 1511 and the fifth rotating hole 1111. In this case, the first rod 151 can rotate relative to the first rod portion 111 about the central axis of the second rotating shaft 172. The connection method between the fourth rod 161 and the second rod portion 112 is approximately the same as the connection method between the first rod 151 and the first rod portion 111, and will not be described again here.

[0122] Figure 16 yes Figure 5 A partial structural schematic diagram of the lifting device 310 shown. Figure 17 yes Figure 16 The diagram shown is a structural schematic from another perspective. Figure 18 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along CC. Figure 19 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along point AA.

[0123] like Figures 16 to 19As shown, the second end 151b of the first rod 151 is rotatably connected to the first mounting portion 31 of the base 30. The second end 161b of the fourth rod 161 is rotatably connected to the first mounting portion 31 of the base 30. The second end 121b of the third rod portion 121 of the second transmission rod 12 and the fourth end 122b of the fourth rod portion 122 can be located between the first rotating portion 221 and the second rotating portion 222 of the transmission member 22 of the drive mechanism 20. The body portion 241 and the sleeve 25 of the torsion spring 24 can both be located between the second end 121b of the third rod portion 121 and the fourth end 122b of the fourth rod portion 122. The second end 121b of the third rod portion 121 and the fourth end 122b of the fourth rod portion 122 can both be rotatably connected to the mounting member 23 of the drive mechanism 20. For example, the second end 121b of the third rod 121 and the fourth end 122b of the fourth rod 122 may be provided with a first through hole 1212 and a second through hole 1222, and both the first through hole 1212 and the second through hole 1222 may be fitted onto the mounting member 23 so that the first end 121a of the third rod 121 and the third end 122a of the fourth rod 122 may be rotatably connected to the mounting member 23.

[0124] For example, the swing arm 224 of the transmission member 22 can be located on one side of the fourth rod portion 122 of the second transmission rod 12 and overlap with the fourth rod portion 122. The second extension portion 243 of the torsion spring 24 can be located on the side of the second connecting rod 123 of the second transmission rod 12 that faces away from the swing arm 224 and overlap with the second connecting rod 123 of the second transmission rod 12. In this case, the swing arm 224 of the transmission member 22 and the second extension portion 243 of the torsion spring 24 can be located on opposite sides of the second connecting rod 123 of the second transmission rod 12.

[0125] Figure 20 yes Figure 16 The diagram shown is a schematic of the structure in its intermediate state. Figure 21 yes Figure 18 The diagram shown is a schematic of the structure in its intermediate state. Figure 22 yes Figure 16 The diagram shown is a schematic of the structure in its second state. Figure 23 yes Figure 18 The diagram shown is a schematic of the structure in its second state.

[0126] Please refer to it again. Figure 4a and Figure 4b The camera decorative component 300 can also have an intermediate state. The intermediate state can be any state of the camera decorative component 300 between the first state and the second state. For example... Figure 16 and Figure 18As shown, when the camera decorative assembly 300 is in the first state, that is, when the lifting device 310 is in the first state, the distance between the first transmission rod 11 and the base 30 can be a first gap. For example, the first gap can be 0. At this time, the first transmission rod 11 can be located inside the first mounting portion 31 of the base 30.

[0127] The first transmission rod 11 can be parallel to the first plane. The angle between the second transmission rod 12 and the first plane can be the first angle. The first angle can be greater than 0°. The first plane can be perpendicular to the thickness direction of the electronic device 1000. In this embodiment, the first plane is perpendicular to the Z-axis direction. The first plane can be parallel to the plane where the base 30 is located. The angle between the swing arm 224 of the transmission member 22 of the drive mechanism 20 and the first plane can be equal to the angle between the second transmission rod 12 and the first plane, which is also the first angle. The angle between the first extension 242 of the torsion spring 24 and the first plane can be equal to the angle between the second transmission rod 12 and the first plane, which is also the first angle. The angle between the first rod 151 and the first plane can be equal to the angle between the second transmission rod 12 and the first plane, which is also the first angle. The angle between the fourth rod 161 and the first plane can also be equal to the angle between the second transmission rod 12 and the first plane, which is also the first angle.

[0128] The first extension 242 of the torsion spring 24 can abut against the second connecting rod 123 of the second transmission rod 12, and exert a first force on the second connecting rod 123 to rotate it in the first rotation direction a. The motor 21 can provide a self-locking force to the transmission member 22, and the swing arm 224 of the transmission member 22 can abut against the fourth rod portion 122 of the second transmission rod 12, and exert a second force on the fourth rod portion 122 to rotate it in the second rotation direction b. The first force can be equal to the second force, so that the lifting device 310 can be maintained in the first state. At this time, the second transmission rod 12 can be clamped between the swing arm 224 of the transmission member 22 and the first extension 242 of the torsion spring 24. It should be noted that the lifting device 310 can also provide a self-locking force to the transmission member 22 through the motor 21, so that the first force is equal to the second force, so that the lifting device 310 can be maintained in other specific states (e.g., intermediate state or second state). This will not be elaborated further below.

[0129] like Figure 20 and Figure 21As shown, when the lifting device 310 is in the intermediate state, that is, when the lifting device 310 is in the intermediate state, the first transmission rod 11 can be located above the base 30 and spaced apart from the base 30. At this time, the distance between the first transmission rod 11 and the base 30 can be greater than the first spacing. The first transmission rod 11 can be parallel to the first plane. The angle between the second transmission rod 12 and the first plane can be greater than the first angle. The angle between the swing arm 224 of the transmission member 22 of the drive assembly and the first plane can still be equal to the angle between the second transmission rod 12 and the first plane. The angle between the first extension 242 of the torsion spring 24 and the first plane can still be equal to the angle between the second transmission rod 12 and the first plane. The angles between the first rod 151 and the first plane and the angles between the fourth rod 161 and the first plane can still be equal to the angles between the second transmission rod 12 and the first plane.

[0130] like Figure 22 and Figure 23 As shown, when the lifting device 310 is in the second state, that is, when the lifting device 310 is in the second state, the first transmission rod 11 can be located above the base 30 and spaced apart from the base 30. At this time, the distance between the first transmission rod 11 and the base 30 can be a second gap. The second gap can be greater than the first gap. The first transmission rod 11 can be parallel to the first plane. The angle between the second transmission rod 12 and the base 30 can be a second angle. The second angle can be greater than the first angle. The angle between the swing arm 224 of the transmission component 22 of the drive mechanism 20 and the first plane can still be equal to the angle between the second transmission rod 12 and the first plane, that is, the second angle. The angle between the first extension 242 of the torsion spring 24 and the first plane can still be equal to the angle between the second transmission rod 12 and the first plane, that is, the second angle. The angle between the first rod 151 and the first plane and the angle between the fourth rod 161 and the first plane can still be equal to the angle between the second transmission rod 12 and the first plane, which is the second angle.

[0131] Please combine Figure 16 , Figure 18 , Figures 20 to 23 As shown, during the process of the lifting device 310 switching from the first state to the intermediate state and then from the intermediate state to the second state, the motor 21 of the drive mechanism 20 can receive a first electrical signal, and the rotation protrusion 211 of the motor 21 (please refer to...) Figure 8The first transmission rod 11 (as shown) can rotate in the first rotation direction a, driving the transmission member 22 to rotate relative to the mounting member 23 in the same direction a. At this time, the swing arm 224 of the transmission member 22 can rotate relative to the mounting member 23 in the first rotation direction a, and the swing arm 224 can relieve the force on the fourth rod portion 122 of the second transmission rod 12. That is, the first force can be zero. The second transmission rod 12 can rotate together with the first extension portion 242 of the torsion spring 24 in the first rotation direction a under the second force of the first extension portion 242 of the torsion spring 24. At this time, both the first rod 151 and the fourth rod 161 can rotate in the same direction as the second transmission rod 12, and the first transmission rod 11 can move relative to the base 30 in a direction away from the base 30. The first transmission rod 11 can generate displacements relative to the base 30 in the first and third directions. The third direction can intersect with the first direction. The displacement of the first transmission rod 11 relative to the base 30 in the third direction can be the first displacement. In this embodiment, the third direction can be parallel to the X-axis direction. That is, the third direction can be perpendicular to the first direction.

[0132] The first link 151, the first part 111 of the first transmission rod 11, the third part 121 of the second transmission rod 12, and the base 30 can together constitute a four-bar linkage. The first link 151, the first part 111, the third part 121, and the base 30 can together constitute the first set of linkages in the first transmission assembly 10a. The first part 111 of the first transmission rod 11 can constitute a link in the first set of linkages, for example, a first link 101. The base 30 can constitute the frame in the first set of linkages. The third part 121 and the fourth part 122 of the second transmission rod 12 can constitute two rockers in the first set of linkages; for example, the third part 121 can constitute the first rocker 102 in the first set of linkages. The first link 151 can constitute the third rocker 103 in the first set of linkages. For ease of understanding, the following text will refer to the first link 101 as the first rod portion 111 of the first transmission rod 11, the first rocker arm 102 as the third rod portion 121 of the second transmission rod 12, and the third rocker arm 103 as the first rod 151.

[0133] The fourth link 161, the second link portion 112 of the first transmission rod 11, the fourth link portion 122 of the second transmission rod 12, and the base 30 can together constitute a four-bar linkage. The fourth link 161, the second link portion 112, the fourth link portion 122, and the base 30 can together constitute the third set of linkages in the transmission mechanism 10. The second link portion 112 of the first transmission rod 11 can constitute a link in the third set of linkages, for example, a second link 104. The base 30 can constitute the frame in the third set of linkages. The fourth link portion 122 and the fourth link 161 of the second transmission rod 12 can constitute two rockers in the third set of linkages; for example, the fourth link portion 122 of the second transmission rod 12 can constitute the fifth rocker 105 in the third set of linkages, and the fourth link 161 can constitute the seventh rocker 106 in the third set of linkages. For ease of understanding, the second link 104 will be used to refer to the second part 112 of the first transmission rod 11, the fifth rocker arm 105 will be used to refer to the fourth part 122 of the second transmission rod 12, and the seventh rocker arm 106 will be used to refer to the fourth link 161.

[0134] For example, the length of the first rocker arm 102 can be equal to the length of the third rocker arm 103. The length of the fifth rocker arm 105 can be equal to the length of the seventh rocker arm 106. In this case, the first rocker arm 102, the third rocker arm 103, the first connecting rod 101, and the base 30 can together form a parallelogram mechanism. The fifth rocker arm 105, the seventh rocker arm 106, the second connecting rod 104, and the base 30 can together form a parallelogram mechanism. When the second transmission rod 12 rotates relative to the base 30 in the first rotation direction a, the third rocker arm 103 and the seventh rocker arm 106 can both rotate in the same direction and at the same speed as the second transmission rod 12, and the first transmission rod 11 can translate relative to the base 30. The first transmission rod 11 can always remain parallel to the first plane.

[0135] For example, during the process of the lifting device 310 switching from the second state to the intermediate state and back to the second state, the motor 21 of the drive mechanism 20 can receive a second electrical signal, and the rotation protrusion 211 of the motor 21 (see reference) Figure 8The first rocker arm 105 (as shown) can rotate in the second rotation direction b, driving the transmission member 22 to rotate relative to the mounting member 23 in the same direction. At this time, the swing arm 224 of the transmission member 22 can rotate relative to the mounting member 23 in the second rotation direction b, applying a first force to the fifth rocker arm 105. The first force can be greater than the second force. At this time, the second transmission rod 12 can rotate in the second rotation direction b under the first force, compressing the first extension 242 of the torsion spring 24, allowing the first extension 242 of the torsion spring 24 to rotate in the second rotation direction b. At this time, the third rocker arm 103 and the seventh rocker arm 106 can rotate in the same direction as the second transmission rod 12, and the first transmission rod 11 can move relative to the base 30 in a direction close to the base 30. The first transmission rod 11 can generate displacements relative to the base 30 in the second and fourth directions. The fourth direction can intersect with the second direction. The fourth direction can be opposite to the third direction. The displacement of the first transmission rod 11 relative to the base 30 in the fourth direction can be a third displacement. In this embodiment, the fourth direction can be parallel to the X-axis direction. That is, the fourth direction can be perpendicular to the second direction.

[0136] For example, the length of the first rocker arm 102 is equal to the length of the third rocker arm 103. The length of the fifth rocker arm 105 can be equal to the length of the seventh rocker arm 106. When the second transmission rod 12 rotates relative to the base 30 in the second rotation direction b, both the third rocker arm 103 and the seventh rocker arm 106 can rotate in the same direction and at the same speed as the second transmission rod 12, and the first transmission rod 11 can translate relative to the base 30. The first transmission rod 11 can always remain parallel to the first plane.

[0137] Figure 24 yes Figure 5 The diagram shows a partial structural schematic of the lifting device 310 in some embodiments. Figure 25 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along BB. Figure 26 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along DD.

[0138] like Figures 24 to 26As shown, the second rod 152 may have a first end 152a and a second end 152b. The first end 152a of the second rod 152 may be rotatably connected to the first connecting rod 101. Exemplarily, the first end 152a of the second rod 152 may be rotatably connected to the second end 111b of the first connecting rod 101. The first end 152a of the second rod 152 may also be provided with a sixth rotating hole 1521. The second rotating shaft 172 may also be inserted into the sixth rotating hole 1521 of the second rod 152. In this case, the second rod 152 may rotate relative to the first connecting rod 101 about the central axis of the second rotating shaft 172.

[0139] Exemplarily, the first constraint link 13 may have a first end 131 and a second end 132. The first end 131 of the first constraint link 13 may be rotatably connected to the second link 152. The first end 131 of the first constraint link 13 may be located between the first end 152a and the second end 152b of the second link 152. The second end 132 of the first constraint link 13 may be rotatably connected to the base 30.

[0140] For example, the fifth link 162 may have a first end 162a and a second end 162b. The first end 162a of the fifth link 162 may be rotatably connected to the second link 104. For example, the first end 162a of the fifth link 162 may be rotatably connected to the fourth end 112b of the second link 104. The connection method between the fifth link 162 and the second link 104 is substantially the same as the connection method between the second link 152 and the first link 101, and will not be described again here. The shape and size of the fifth link 162 may be exactly the same as the shape and size of the second link 152.

[0141] Exemplarily, the second constraint link 14 may have a first end 141 and a second end 142. The first end 141 of the second constraint link 14 may be rotatably connected to the fifth link 162. The first end 141 of the second constraint link 14 may be located between the first end 162a and the second end 162b of the fifth link 162. The second end 142 of the second constraint link 14 may be rotatably connected to the base 30. The shape and size of the second constraint link 14 may be exactly the same as the shape and size of the first constraint link 13.

[0142] For example, the plurality of rotating shafts 17 of the transmission mechanism 10 may further include a third rotating shaft 173. The third rotating shaft 173 may be mounted on the base 30, the second end 132 of the first constraint link 13, and the second end 142 of the second constraint link 14. In this way, both the first constraint link 13 and the second constraint link 14 can rotate relative to the base 30 about the central axis of the third rotating shaft 173.

[0143] Figure 27 yes Figure 24The diagram shown is a structural schematic from another perspective when the structure is in an intermediate state. Figure 28 yes Figure 24 The diagram shown is a schematic representation of the structure in its second state from another perspective.

[0144] like Figures 26 to 28 As shown, during the transition of the lifting device 310 from the first state to the intermediate state, and then from the intermediate state to the second state, the drive mechanism 20 can drive the second transmission rod 12 to rotate relative to the base 30 along the first rotation direction a. At this time, the first transmission rod 11 can move relative to the base 30 along the first direction and the third direction. The first constraint link 13 can rotate relative to the base 30 along the first rotation direction a. The second link 152 can rotate relative to the first transmission rod 11 along the second rotation direction b under the action of the first transmission rod 11 and the first constraint link 13. The second constraint link 14 can rotate relative to the base 30 along the first rotation direction a. The fifth link 162 can rotate relative to the first transmission rod 11 along the second rotation direction b under the action of the first transmission rod 11 and the second constraint link 14.

[0145] For example, during the process of the lifting device 310 switching from the second state to the intermediate state and then from the intermediate state to the first state, the drive mechanism 20 can drive the second transmission rod 12 to rotate relative to the base 30 along the second rotation direction b. At this time, the first transmission rod 11 can move relative to the base 30 along the second and fourth directions. The first constraint link 13 can rotate relative to the base 30 along the second rotation direction b. The second link 152 can rotate relative to the first transmission rod 11 along the first rotation direction a under the action of the first transmission rod 11 and the first constraint link 13. The second constraint link 14 can rotate relative to the base 30 along the second rotation direction b. The fifth link 162 can rotate relative to the first transmission rod 11 along the first rotation direction a under the action of the first transmission rod 11 and the second constraint link 14.

[0146] Figure 29 yes Figure 5 The diagram shows the structure of the lifting device 310 in some embodiments. Figure 30 yes Figure 5 The diagram shows a partial cross-sectional view of one embodiment of the lifting device 310 cut along BB.

[0147] like Figure 29 and Figure 30As shown, the third member 153 may have a first end 153a and a second end 153b. The first end 153a of the third member 153 is rotatably connected to the first connecting rod 101. The first end 153a of the third member 153 may be spaced apart from the first end 152a of the second member 152. The first end 153a of the third member 153 may be positioned closer to the first end 111a of the first connecting rod 101 than the first end 152a of the second member 152. Exemplarily, the shape and size of the third member 153 may be exactly the same as the shape and size of the second member 152.

[0148] Exemplarily, the sixth link 163 may have a first end 163a and a second end 163b. The first end 163a of the sixth link 163 may be rotatably connected to the second link 104. The first end 163a of the sixth link 163 may be spaced apart from the first end 162a of the fifth link 162. The first end 163a of the sixth link 163 may be positioned closer to the third end 112a of the second link 104 than the first end 162a of the fifth link 162. Exemplarily, the shape and size of the sixth link 163 may be exactly the same as the shape and size of the fifth link 162.

[0149] For example, the mounting block 40 may be generally annular. The second end 152b of the second member 152, the second end 153b of the third member 153, the second end 162b of the fifth member 162, and the second end 163b of the sixth member 163 are all rotatably connected to the mounting block 40. The second ends 152b of the second member 152, the second end 153b of the third member 153, the second end 162b of the fifth member 162, and the second end 163b of the sixth member 163 may be symmetrically arranged about the mounting block 40.

[0150] Figure 31 yes Figure 29 The diagram shows the structure of the lifting device 310 in the intermediate state. Figure 32 yes Figure 29 The diagram shows the structure of the lifting device 310 in the second state.

[0151] like Figure 29 , Figure 31 as well as Figure 32As shown, when the lifting device 310 is in the first state, the distance between the mounting block 40 and the base 30 can be a third spacing. The mounting block 40 can be parallel to the first plane. A third angle can be formed between the second rod 152 and the first transmission rod 11. The third angle can be greater than 0°. The opening direction of the third angle can be opposite to the opening direction of the first angle. The angle between the third rod 153 and the first transmission rod 11 can be equal to the angle between the second rod 152 and the first transmission rod 11, which is also the third angle. The fifth rod 162 and the sixth rod 163 can both form an angle with the first transmission rod 11, and can be equal to the angle between the second rod 152 and the first transmission rod 11, which is also the third angle. The first constraint link 13 can form a fourth angle with the base 30. The fourth angle can be greater than 0°. The opening direction of the fourth angle can be opposite to the opening direction of the third angle. The second constraint link 14 can form an angle with the base 30, and can be equal to the angle between the first constraint link 13 and the first plane, which is the fourth angle.

[0152] For example, when the lifting device 310 is in the intermediate state, the mounting block 40 can be located above the first transmission rod 11 and spaced apart from it. The mounting block 40 can be located on the side of the first transmission rod 11 facing away from the base 30. At this time, the distance between the mounting block 40 and the base 30 can be greater than the third spacing. The mounting block 40 can be parallel to the first plane. The angle between the second rod 152 and the first transmission rod 11 can be greater than the third angle. The angle between the third rod 153 and the first transmission rod 11 can still be equal to the angle between the second rod 152 and the first transmission rod 11. The angles between the fifth rod 162, the sixth rod 163 and the first transmission rod 11 can still be equal to the angle between the second rod 152 and the first transmission rod 11. The angle between the first constraint link 13 and the first plane can be greater than the fourth angle. The angle between the second constraint link 14 and the first plane can still be equal to the angle between the first constraint link 13 and the first plane.

[0153] For example, when the lifting device 310 is in the second state, the mounting block 40 can be located above the first transmission rod 11 and spaced apart from it. At this time, the distance between the mounting block 40 and the base 30 can be a fourth spacing. The fourth spacing can be greater than the third spacing. The mounting block 40 can be parallel to the first plane. The angle between the second rod 152 and the first transmission rod 11 can be a fifth angle. The fifth angle can be greater than the third angle. The angles between the third rod 153, the fifth rod 162, and the sixth rod 163 and the first transmission rod 11 can all be equal to the angle between the second rod 152 and the first transmission rod 11, i.e., the fifth angle. A sixth angle can be formed between the first constraint link 13 and the base 30. The sixth angle can be greater than the fourth angle. The angle between the second constraint link 14 and the first plane can be equal to the angle between the first constraint link 13 and the first plane, i.e., the sixth angle.

[0154] For example, during the process of the lifting device 310 switching from a first state to an intermediate state and then from an intermediate state to a second state, the drive mechanism 20 can drive the second transmission rod 12 to rotate relative to the base 30 along a first rotation direction a. The first transmission rod 11 can move relative to the base 30 along a first direction and a third direction, and gradually move away from the base 30. The first constraint link 13 can rotate relative to the base 30 along the first rotation direction a. The second link 152 and the third link 153 can both rotate relative to the first transmission rod 11 along a second rotation direction b. The second constraint link 14 can rotate relative to the base 30 along the first rotation direction a. The fifth link 162 and the sixth link 163 can both rotate relative to the first transmission rod 11 along the second rotation direction b. At this time, the mounting block 40 can be displaced relative to the first transmission rod 11 along a first direction and a fourth direction under the action of the second link 152, the third link 153, the fifth link 162, and the sixth link 163, and gradually move away from the base 30. The displacement of the mounting block 40 relative to the first transmission rod 11 in the fourth direction can be the second displacement.

[0155] The mounting block 40, together with the second link 152, the third link 153, and the first connecting rod 101, can form a four-bar linkage. The mounting block 40, together with the second link 152, the third link 153, and the first connecting rod 101, can form a second set of linkage mechanisms. The mounting block 40 can constitute a link in the second set of linkage mechanisms. The first connecting rod 101 can constitute a frame in the second set of linkage mechanisms. The second link 152 and the third link 153 can constitute two rockers in the second set of linkage mechanisms; for example, the second link 152 can constitute the second rocker 107 in the second set of linkage mechanisms, and the third link 153 can constitute the fourth rocker 108 in the second set of linkage mechanisms. For ease of understanding, the second rocker 107 will be used to refer to the second link 152, and the fourth rocker 108 will be used to refer to the third link 153.

[0156] The mounting block 40 can also form a four-bar linkage with the fifth link 162, the sixth link 163, and the second link 104. The mounting block 40 can also form a fourth linkage mechanism with the fifth link 162, the sixth link 163, and the second link 104. The mounting block 40 can form a link in the fourth linkage mechanism. The second link 104 can form a frame in the fourth linkage mechanism. The fifth link 162 and the sixth link 163 can form two rockers in the fourth linkage mechanism; for example, the fifth link 162 can form the sixth rocker 109 in the fourth linkage mechanism, and the sixth link 163 can form the eighth rocker 110 in the fourth linkage mechanism. For ease of understanding, the sixth rocker 109 will be used to refer to the fifth link 162, and the eighth rocker 110 will be used to refer to the sixth link 163.

[0157] For example, the third set of linkage mechanisms can be symmetrically arranged with respect to the fourth set of linkage mechanisms about the mounting block 40. This results in smoother movement of the mounting block 40. In this embodiment, the length of the second rocker arm 107 can be equal to the length of the fourth rocker arm 108. The mounting block 40, together with the second rocker arm 107, the fourth rocker arm 108, and the first connecting rod 101, can form a parallelogram mechanism. The length of the sixth rocker arm 109 is the same as the length of the eighth rocker arm 110. The mounting block 40 can also, together with the sixth rocker arm 109, the eighth rocker arm 110, and the second connecting rod 104, form a parallelogram mechanism.

[0158] The second displacement can be equal to the first displacement, meaning the distance the mounting block 40 moves relative to the first transmission rod 11 in the fourth direction can be equal to the distance the first transmission rod 11 moves relative to the base 30 in the third direction. Thus, when the first transmission rod 11 moves relative to the base 30 in the third direction, the mounting block 40, under the action of the first transmission rod 11, can move together with the first transmission rod 11 relative to the base 30 in the third direction, resulting in a first displacement in the third direction. Simultaneously, the mounting block 40 can also move relative to the first transmission rod 11 in the fourth direction, which can counteract the first displacement of the mounting block 40 relative to the base 30. In other words, during the transition of the lifting device 310 from a first state to an intermediate state, and then from the intermediate state to the second state, the mounting block 40 can move relative to the base 30 in the first direction, thereby causing the camera decorative piece 320 to rise relative to the base 30 (please refer to...). Figure 4a and Figure 4b (As shown).

[0159] For example, during the process of the lifting device 310 switching from the second state to the intermediate state and then from the intermediate state to the first state, the drive mechanism 20 can drive the second transmission rod 12 to rotate relative to the base 30 in the second rotation direction b. The first transmission rod 11 can move relative to the base 30 in the second and fourth directions and gradually approach the base 30. The first constraint link 13 can rotate relative to the base 30 in the second rotation direction b. The second rocker arm 107 and the fourth rocker arm 108 can both rotate relative to the first transmission rod 11 in the first rotation direction a. The second constraint link 14 can rotate relative to the base 30 in the second rotation direction b. The sixth rocker arm 109 and the eighth rocker arm 110 can both rotate relative to the first transmission rod 11 in the first rotation direction a. At this time, the mounting block 40 can move relative to the first transmission rod 11 in the second and third directions under the action of the second rocker arm 107, the fourth rocker arm 108, the sixth rocker arm 109, and the eighth rocker arm 110, and gradually move away from the base 30. Among them, the mounting block 40 can generate a fourth displacement in a third direction relative to the first transmission rod 11.

[0160] The fourth displacement can be equal to the third displacement, meaning the distance the mounting block 40 moves relative to the first transmission rod 11 in the third direction can be equal to the distance the first transmission rod 11 moves relative to the base 30 in the fourth direction. In other words, during the process of the lifting device 310 switching from the second state to the intermediate state and then back to the first state, the mounting block 40 can move relative to the base 30 in the second direction, thereby causing the camera decorative piece 320 to descend relative to the base 30 (please refer to...). Figure 4a and Figure 4b (As shown).

[0161] Understandably, compared to some lifting devices that use gear and worm gear transmissions, utilizing the guide rail between the base and the mounting block to convert the circumferential rotation of the base into vertical lifting motion to achieve the lifting of the camera decoration, this method results in a larger number of lifting device components, higher manufacturing costs, and a shorter lifting stroke for the camera decoration. Furthermore, the use of a higher-pair mechanism in the lifting device leads to lower transmission efficiency, higher frictional losses, and higher power consumption during operation. In this embodiment, the base 30 and mounting block 40 of the lifting device 310 are connected by a transmission mechanism 10, which is a linkage mechanism. This means the base 30 and mounting block 40 are connected by a lower-pair mechanism, resulting in higher transmission efficiency, lower frictional losses, and reduced power consumption. The linkage mechanism 10 also increases the lifting stroke of the camera decoration 320. Additionally, the components of the transmission mechanism 10 have simple structures and are easy to manufacture, reducing manufacturing costs and simplifying the manufacturing process.

[0162] Secondly, in this embodiment, when the lifting device 310 is in the first state, the angle between each rocker arm of the first transmission assembly 10a and the first plane is small, thereby reducing the size of the lifting device 310 along the thickness direction of the electronic device 1000 in the first state. When the lifting device 310 is in the second state, the angle between each rocker arm of the first transmission assembly 10a and the first plane is large, thereby increasing the distance between the camera decorative piece 320 and the base 30 after it is raised. When the lifting device 310 switches between the first and second states, the stroke for driving the camera decorative piece 320 to rise and fall is large. In other words, the lifting device 310 in this embodiment can accommodate a long lifting stroke while meeting the requirements of a thin electronic device 1000.

[0163] In addition, the lifting device 310 in this embodiment also includes a first constraint link 13. One end of the first constraint link 13 is rotatably connected to the base 30, and the other end is rotatably connected to the components of the second linkage mechanism other than the first link 101. When the lifting device 310 switches between the first state and the second state, the first constraint link 13 can rotate in the same direction relative to the base 30 together with the second transmission rod 12. The second rocker arm 107 of the second linkage mechanism can rotate relative to the first link 101 under the action of the first constraint link 13, and the direction of rotation of the second rocker arm 107 relative to the first link 101 can be opposite to the direction of rotation of the second transmission rod 12 relative to the base 30. In this way, when the lifting device 310 switches from the first state to the second state, the second linkage mechanism can generate displacement relative to the base 30 along the first direction and the third direction, and the mounting block 40 can generate displacement relative to the first link 101 along the first direction and the fourth direction, thereby counteracting the displacement of the second linkage mechanism as a whole relative to the base 30 along the third direction. When the lifting device 310 switches from the second state to the first state, the second set of linkage mechanisms can generate displacements relative to the base 30 along the second and fourth directions, and the mounting block 40 can generate displacements relative to the first link 101 along the second and third directions, thereby offsetting the overall displacement of the second set of linkage mechanisms relative to the base 30 along the fourth direction. In other words, the mounting block 40 can move relative to the base 30 along the first or second direction with the cooperation of the first constraint link 13 and the first and second sets of linkage mechanisms, thereby realizing the lifting and lowering of the mounting block 40 relative to the base 30 along the thickness direction of the electronic device 1000, ensuring the stability and smoothness of the lifting and lowering movement of the camera decorative part 320.

[0164] During the transition from the first state to the second state of the lifting device 310, the first connecting rod 101 can generate a first displacement relative to the base 30 along a third direction, and the mounting block 40 can generate a second displacement relative to the first connecting rod 101 along a fourth direction. The first displacement can be equal to the second displacement. In this way, the first displacement can cancel out the second displacement, allowing the mounting block 40 to move the camera decorative piece 320 linearly relative to the base 30 along its thickness direction, thus achieving linear lifting.

[0165] In addition, in this embodiment, the length of the first rocker arm 102 is equal to the length of the third rocker arm 103. In this way, the first link 101 will only translate relative to the base 30 and will not rotate relative to the base 30. The movement trajectory of the first link 101 is relatively simple and easy to control, which helps to ensure the stability and smoothness of the movement of the camera decoration part 320, and is also easy to manufacture.

[0166] Furthermore, when the lifting device 310 in this embodiment is in the second state, the angle between the first rocker arm 102 and the first plane can be less than 90°, thereby avoiding the transmission mechanism 10 from producing play and improving the motion accuracy of the lifting device 310. For example, the angle between the third rocker arm 103 and the first plane can also be less than 90°, and the angle between the second rocker arm 107 and the first plane can also be less than 90°.

[0167] Furthermore, in this embodiment, when the lifting device 310 is in the second state, the opening direction of the angle between the third rocker arm 103 and the first plane can be opposite to the opening direction of the angle between the second rocker arm 107 and the first plane. Thus, during the transition from the first state to the second state, the second transmission rod 12 can maintain rotation along the first rotation direction a, the second rocker arm 107 can maintain rotation along the second rotation direction b, the mounting block 40 can continuously rise, and the distance between the mounting block 40 and the base 30 can continuously increase. During the transition from the second state to the first state, the mounting block 40 can continuously descend, and the distance between the mounting block 40 and the base 30 can continuously decrease. In other words, the lifting device 310 can control the second transmission rod 12 to rotate in different directions, allowing the mounting block 40 to rise or fall relative to the base 30, achieving high motion precision and simple control.

[0168] In other embodiments, the transmission mechanism 10 may not include the third rocker arm 103. The base 30 may also be provided with an arc-shaped groove. The second end 111b of the first connecting rod 101 may also be slidably connected to the arc-shaped groove. The center of curvature of the arc-shaped groove may be located on the side of the arc-shaped groove closer to the first rocker arm 102.

[0169] In other embodiments, the second transmission component 10b may also take other mechanism forms.

[0170] It should be noted that, in the absence of conflict, the features in the embodiments of this application can be combined with each other, and any combination of features in different embodiments is also within the protection scope of this application. That is to say, the multiple embodiments described above can also be arbitrarily combined according to actual needs.

[0171] It should be noted that all the above figures are exemplary illustrations of this application and do not represent the actual size of the product. Furthermore, the dimensional proportions between the components in the figures are not intended to limit the actual product of this application.

[0172] The above are merely some embodiments of this application, and the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A camera decorative component (300), characterized in that, The device includes a lifting device (310) and a camera decorative piece (320). The lifting device (310) includes a base (30), a drive mechanism (20), a first rocker arm (102), a first connecting rod (101), a second rocker arm (107), and a mounting block (40). The first connecting rod (101) has a first end (111a) and a second end (111b). One end of the first rocker arm (102) is rotatably connected to the base (30), and the other end is rotatably connected to the first end (111a). The second end (111b) of the first connecting rod (101) is movably connected to the base (30). One end of the second rocker arm (107) is rotatably connected to the first connecting rod (101), and the other end is rotatably connected to the mounting block (40). The camera decorative piece (320) is mounted on the mounting block (40). The driving mechanism (20) is disposed on the base (30) and connected to the first rocker arm (102). The driving mechanism (20) is used to drive the first rocker arm (102) to rotate relative to the base (30) in a first rotation direction (a) or in a second rotation direction (b). The lifting device includes a first state and a second state. When the lifting device is in the first state, the distance between the mounting block (40) and the base (30) is a first gap. When the lifting device (310) is in the second state, the distance between the mounting block (40) and the base (30) is a second gap. The first gap is smaller than the second gap. When the lifting device switches between the first state and the second state, the distance between the mounting block (40) and the base (30) changes.

2. The camera decorative assembly (300) according to claim 1, characterized in that, During the process of the lifting device (310) switching from the first state to the second state, the first rocker arm (102) rotates relative to the base (30) along the first rotation direction (a), the first connecting rod (101) moves relative to the base (30), the second rocker arm (107) rotates relative to the first connecting rod (101), and the mounting block (40) moves relative to the base (30) along the first direction; During the process of switching the lifting device from the second state to the first state, the first rocker arm (102) rotates relative to the base (30) along the second rotation direction (b), the first connecting rod (101) moves relative to the base (30), the second rocker arm (107) rotates relative to the first connecting rod (101), and the mounting block (40) moves relative to the base (30) along the second direction; Wherein, the first direction is opposite to the second direction, and the first direction is parallel to the thickness direction of the base (30).

3. The camera decorative assembly (300) according to claim 2, characterized in that, During the switching process between the first state and the second state of the lifting device (310), the direction in which the first rocker arm (102) rotates relative to the base (30) is opposite to the direction in which the second rocker arm (107) rotates relative to the first connecting rod (101).

4. The camera decorative assembly (300) according to claim 2 or 3, characterized in that, During the switching process between the first state and the second state, the first connecting rod (101) moves relative to the base (30) and generates displacement along the first direction and the third direction or displacement along the second direction and the fourth direction, the second rocker (107) rotates relative to the first connecting rod (101), and the mounting block (40) moves relative to the first connecting rod (101). Wherein, the third direction is opposite to the fourth direction, and the third direction is perpendicular to the thickness direction of the base (30).

5. The camera decorative assembly (300) according to claim 4, characterized in that, During the process of the lifting device (310) switching from the first state to the second state, the first rocker arm (102) rotates relative to the base (30) along the first rotation direction (a), the first connecting rod (101) moves relative to the base (30) and generates displacement along the first direction and the third direction, the second rocker arm (107) rotates relative to the first connecting rod (101) along the second rotation direction (b), and the mounting block (40) moves relative to the first connecting rod (101) and generates displacement along the first direction and the fourth direction; During the transition of the lifting device (310) from the second state to the first state, the first rocker arm (102) rotates relative to the base (30) along the second rotation direction (b), the first connecting rod (101) moves relative to the base (30) and generates displacement along the second direction and the fourth direction, the second rocker arm (107) rotates relative to the first connecting rod (101) along the first rotation direction (a), and the mounting block (40) moves relative to the first connecting rod (101) and generates displacement along the first direction and the third direction.

6. The camera decorative assembly (300) according to claim 4 or 5, characterized in that, During the process of the lifting device (310) switching from the first state to the second state, the first connecting rod (101) generates a first displacement relative to the base (30) along the third direction, and the mounting block (40) generates a second displacement relative to the first connecting rod (101) along the fourth direction, and the first displacement and the second displacement are equal.

7. The camera decorative assembly (300) according to any one of claims 1 to 6, characterized in that, During the switching between the first state and the second state, the mounting block (40) of the lifting device (310) is parallel to the base (30).

8. The camera decorative assembly (300) according to any one of claims 1 to 7, characterized in that, During the switching between the first state and the second state, the first connecting rod (101) of the lifting device (310) is parallel to the base (30).

9. The camera decorative assembly (300) according to any one of claims 1 to 8, characterized in that, The lifting device (310) further includes a third rocker arm (103), one end of which is rotatably connected to the base (30), and the other end is rotatably connected to the second end (111b) of the first connecting rod (101); During the switching between the first state and the second state, the third rocker arm (103) of the lifting device (310) rotates relative to the base (30) in the same direction as the first rocker arm (102) rotates relative to the base (30).

10. The camera decorative assembly (300) according to any one of claims 1 to 7, characterized in that, The base (30) is provided with an arc-shaped groove, and the second end (111b) of the first connecting rod (101) is slidably connected to the arc-shaped groove. The center of curvature of the arc-shaped groove is located on the side of the arc-shaped groove facing the first rocker arm (102). During the switching between the first state and the second state, the second end (111b) of the first connecting rod (101) slides relative to the arc-shaped groove.

11. The camera decorative assembly (300) according to claim 9, characterized in that, The length of the third rocker (103) is equal to the length of the first rocker (102).

12. The camera decorative assembly (300) according to any one of claims 1 to 11, characterized in that, The lifting device (310) further includes a first constraint link (13), which has a first end (131) and a second end (132). The first end (131) is rotatably connected to the mounting block (40) or the second rocker arm (107), and the second end (132) is rotatably connected to the base (30). During the switching between the first state and the second state, the first constraint link (13) of the lifting device (310) rotates relative to the base (30) in the same direction as the first rocker arm (102) rotates relative to the base (30).

13. The camera decorative assembly (300) according to any one of claims 1 to 12, characterized in that, When the lifting device (310) is in the first state, the first rocker arm (102) forms a first angle with the first plane. When the lifting device (310) is in the second state, the first rocker arm (102) forms a second angle with the first plane. The angle of the first angle is smaller than the angle of the second angle. The first plane is perpendicular to the thickness direction of the base (30).

14. The camera decorative assembly (300) according to claim 13, characterized in that, The angle of the second included angle is less than 90°.

15. The camera decorative assembly (300) according to claim 13 or 14, characterized in that, When the lifting device (310) is in the second state, the opening direction of the angle formed between the second rocker arm (107) and the first plane is opposite to the opening direction of the second angle.

16. The camera decorative assembly (300) according to any one of claims 1 to 15, characterized in that, The lifting device (310) further includes a fourth rocker arm (108), one end of which is rotatably connected to the mounting block (40), and the other end is rotatably connected to the first connecting rod (101). The length of the fourth rocker arm (108) is equal to the length of the second rocker arm (107).

17. The camera decorative assembly (300) according to any one of claims 1 to 16, characterized in that, The lifting device (310) further includes a fifth rocker (105), a second connecting rod (104), and a sixth rocker (109). The second connecting rod (104) has a third end (112a) and a fourth end (112b). One end of the fifth rocker (105) is rotatably connected to the base (30), and the other end is rotatably connected to the third end (112a). The fourth end (112b) is movably connected to the base (30). One end of the sixth rocker (109) is rotatably connected to the second connecting rod (104), and the other end is rotatably connected to the mounting block (40). The drive mechanism (20) is also connected to the fifth rocker arm (105), and the drive mechanism (20) is also used to drive the fifth rocker arm (105) to rotate relative to the base (30) in the first rotation direction (a) or in the second rotation direction (b); During the switching between the first state and the second state, the fifth rocker arm (105) of the lifting device (310) rotates in the same direction relative to the base (30) as the first rocker arm (102) rotates relative to the base (30).

18. The camera decorative assembly (300) according to claim 17, characterized in that, The lifting device (310) further includes a first connecting rod (113), which is fixedly connected between the first connecting rod (101) and the second connecting rod (112).

19. The camera decorative assembly (300) according to claim 17 or 18, characterized in that, The lifting device (310) further includes a second connecting rod (123), which is fixedly connected between the first rocker (102) and the fifth rocker (105).

20. An electronic device (1000), characterized in that, The device includes a housing (200), a camera module (400), and a camera decorative component (300) according to any one of claims 1 to 19. The camera module (400) is installed in the internal space of the housing (200). The housing (200) has a light-transmitting hole (203). The light-entry hole of the camera module (400) is directly opposite the light-transmitting hole (203). The camera decorative component (300) is installed in the light-transmitting hole (203).

21. The electronic device (1000) according to claim 20, characterized in that, The lens of the camera module (400) can extend or retract relative to the light-transmitting hole (203).

22. A lifting device (310), characterized in that, The device includes a base (30), a drive mechanism (20), a first rocker arm (102), a first connecting rod (101), a second rocker arm (107), and a mounting block (40). The first connecting rod (101) has a first end (111a) and a second end (111b). One end of the first rocker arm (102) is rotatably connected to the base (30), and the other end is rotatably connected to the first end (111a). The second end (111b) of the first connecting rod (101) is movably connected to the base (30). One end of the second rocker arm (107) is rotatably connected to the first connecting rod (101), and the other end is rotatably connected to the mounting block (40). The driving mechanism (20) is disposed on the base (30) and connected to the first rocker arm (102). The driving mechanism (20) is used to drive the first rocker arm (102) to rotate relative to the base (30) in a first rotation direction (a) or in a second rotation direction (b). The lifting device includes a first state and a second state. When the lifting device is in the first state, the distance between the mounting block (40) and the base (30) is a first gap. When the lifting device (310) is in the second state, the distance between the mounting block (40) and the base (30) is a second gap. The first gap is smaller than the second gap. When the lifting device switches between the first state and the second state, the distance between the mounting block (40) and the base (30) changes.

23. The lifting device (310) according to claim 22, characterized in that, During the process of the lifting device (310) switching from the first state to the second state, the first rocker arm (102) rotates relative to the base (30) along the first rotation direction (a), the first connecting rod (101) moves relative to the base (30), the second rocker arm (107) rotates relative to the first connecting rod (101), and the mounting block (40) moves relative to the base (30) along the first direction; During the process of switching the lifting device from the second state to the first state, the first rocker arm (102) rotates relative to the base (30) along the second rotation direction (b), the first connecting rod (101) moves relative to the base (30), the second rocker arm (107) rotates relative to the first connecting rod (101), and the mounting block (40) moves relative to the base (30) along the second direction; Wherein, the first direction is opposite to the second direction, and the first direction is parallel to the thickness direction of the base (30).

24. The lifting device (310) according to claim 23, characterized in that, During the switching process between the first state and the second state of the lifting device (310), the direction in which the first rocker arm (102) rotates relative to the base (30) is opposite to the direction in which the second rocker arm (107) rotates relative to the first connecting rod (101).

25. The lifting device (310) according to claim 23 or 24, characterized in that, During the switching process between the first state and the second state, the first connecting rod (101) moves relative to the base (30) and generates displacement along the first direction and the third direction or displacement along the second direction and the fourth direction, the second rocker (107) rotates relative to the first connecting rod (101), and the mounting block (40) moves relative to the first connecting rod (101). Wherein, the third direction is opposite to the fourth direction, and the third direction is perpendicular to the thickness direction of the base (30).

26. The lifting device (310) according to claim 25, characterized in that, During the process of the lifting device (310) switching from the first state to the second state, the first rocker arm (102) rotates relative to the base (30) along the first rotation direction (a), the first connecting rod (101) moves relative to the base (30) and generates displacement along the first direction and the third direction, the second rocker arm (107) rotates relative to the first connecting rod (101) along the second rotation direction (b), and the mounting block (40) moves relative to the first connecting rod (101) and generates displacement along the first direction and the fourth direction; During the transition of the lifting device (310) from the second state to the first state, the first rocker arm (102) rotates relative to the base (30) along the second rotation direction (b), the first connecting rod (101) moves relative to the base (30) and generates displacement along the second direction and the fourth direction, the second rocker arm (107) rotates relative to the first connecting rod (101) along the first rotation direction (a), and the mounting block (40) moves relative to the first connecting rod (101) and generates displacement along the first direction and the third direction.

27. The lifting device (310) according to claim 25 or 26, characterized in that, During the process of the lifting device (310) switching from the first state to the second state, the first connecting rod (101) generates a first displacement relative to the base (30) along the third direction, and the mounting block (40) generates a second displacement relative to the first connecting rod (101) along the fourth direction, and the first displacement and the second displacement are equal.

28. The lifting device (310) according to any one of claims 22 to 27, characterized in that, During the switching between the first state and the second state, the mounting block (40) of the lifting device (310) is parallel to the base (30).

29. The lifting device (310) according to any one of claims 22 to 28, characterized in that, During the switching between the first state and the second state, the first connecting rod (101) of the lifting device (310) is parallel to the base (30).

30. The lifting device (310) according to any one of claims 22 to 29, characterized in that, The lifting device (310) further includes a third rocker arm (103), one end of which is rotatably connected to the base (30), and the other end is rotatably connected to the second end (111b) of the first connecting rod (101); During the switching between the first state and the second state, the third rocker arm (103) of the lifting device (310) rotates relative to the base (30) in the same direction as the first rocker arm (102) rotates relative to the base (30).

31. The lifting device (310) according to any one of claims 22 to 29, characterized in that, The base (30) is provided with an arc-shaped groove, and the second end (111b) of the first connecting rod (101) is slidably connected to the arc-shaped groove. The center of curvature of the arc-shaped groove is located on the side of the arc-shaped groove facing the first rocker arm (102). During the switching between the first state and the second state, the second end (111b) of the first connecting rod (101) slides relative to the arc-shaped groove.

32. The lifting device (310) according to claim 30, characterized in that, The length of the third rocker (103) is equal to the length of the first rocker (102).

33. The lifting device (310) according to any one of claims 22 to 32, characterized in that, The lifting device (310) further includes a first constraint link (13), which has a first end (131) and a second end (132). The first end (131) is rotatably connected to the mounting block (40) or the second rocker arm (107), and the second end (132) is rotatably connected to the base (30). During the switching between the first state and the second state, the first constraint link (13) of the lifting device (310) rotates relative to the base (30) in the same direction as the first rocker arm (102) rotates relative to the base (30).

34. The lifting device (310) according to any one of claims 22 to 33, characterized in that, When the lifting device (310) is in the first state, the first rocker arm (102) forms a first angle with the first plane. When the lifting device (310) is in the second state, the first rocker arm (102) forms a second angle with the first plane. The angle of the first angle is smaller than the angle of the second angle. The first plane is perpendicular to the thickness direction of the base (30).

35. The lifting device (310) according to claim 34, characterized in that, The angle of the second included angle is less than 90°.

36. The lifting device (310) according to claim 34 or 35, characterized in that, When the lifting device (310) is in the second state, the opening direction of the angle formed between the second rocker arm (107) and the first plane is opposite to the opening direction of the second angle.

37. The lifting device (310) according to any one of claims 22 to 36, characterized in that, The lifting device (310) further includes a fourth rocker arm (108), one end of which is rotatably connected to the mounting block (40), and the other end is rotatably connected to the first connecting rod (101). The length of the fourth rocker arm (108) is equal to the length of the second rocker arm (107).

38. The lifting device (310) according to any one of claims 22 to 37, characterized in that, The lifting device (310) further includes a fifth rocker (105), a second connecting rod (104), and a sixth rocker (109). The second connecting rod (104) has a third end (112a) and a fourth end (112b). One end of the fifth rocker (105) is rotatably connected to the base (30), and the other end is rotatably connected to the third end (112a). The fourth end (112b) is movably connected to the base (30). One end of the sixth rocker (109) is rotatably connected to the second connecting rod (104), and the other end is rotatably connected to the mounting block (40). The drive mechanism (20) is also connected to the fifth rocker arm (105), and the drive mechanism (20) is also used to drive the fifth rocker arm (105) to rotate relative to the base (30) in the first rotation direction (a) or in the second rotation direction (b); During the switching between the first state and the second state, the fifth rocker arm (105) of the lifting device (310) rotates in the same direction relative to the base (30) as the first rocker arm (102) rotates relative to the base (30).

39. The lifting device (310) according to claim 38, characterized in that, The lifting device (310) further includes a first connecting rod (113), which is fixedly connected between the first connecting rod (101) and the second connecting rod (112).

40. The lifting device (310) according to claim 38 or 39, characterized in that, The lifting device (310) further includes a second connecting rod (123), which is fixedly connected between the first rocker (102) and the fifth rocker (105).

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