WO2020199884A1

WO2020199884A1 - Terminal device, installation assembly, and functional assembly

Info

Publication number: WO2020199884A1
Application number: PCT/CN2020/078892
Authority: WO
Inventors: 包小明
Original assignee: Oppo广东移动通信有限公司
Priority date: 2019-03-29
Filing date: 2020-03-12
Publication date: 2020-10-08
Also published as: CN209787271U

Abstract

A terminal device (10), comprising a main body (100), a driver (400), an installation assembly (200), and a camera module (500). The main body (100) is provided with an installation recess (300). The driver (400) is connected to the main body (100). The installation assembly (200) comprises an installation base (220) and a carrier (210) which is connected to the main body (100). The installation base (220) comprises a base component (221) and a transmission assembly (223). The transmission assembly (223) comprises a driving wheel (223a), a middle wheel (223b), and an internal gear (223c). The middle wheel (223b) is provided between the driving wheel (223a) and the internal gear (223c), and is separately engaged with the driving wheel (223a) and the internal gear (223c). The internal gear (223c) is disposed on the base component (221). An output end of the driver (400) is connected to the driving wheel (223a), and is used to drive the base component (221) to rotate relative to the carrier (210). The camera module (500) is installed on the base component (221), and is driven by the driver (400) to rotate relative to the main body (100) so as to enter or exit the installation recess (300).

Description

Terminal equipment, installation components and functional components

Technical field

The present invention relates to the technical field of terminal equipment, in particular to a terminal equipment, an installation component and a functional component.

Background technique

Smart terminals such as mobile phones generally have a front camera and a rear camera. The front camera generally needs to occupy part of the area on the side of the display, which is not conducive to the increase of the screen ratio of the mobile terminal; the rear camera generally needs to be opened in the rear shell. The light hole destroys the integrity of the back shell.

Summary of the invention

Based on this, it is necessary to provide a terminal device, installation components and functional components.

A terminal device, including:

The main body includes a display screen, and the main body is provided with an installation slot;

Driver, connected to the body;

The mounting assembly includes a mounting seat and a carrier connected to the body, the driver is arranged on the carrier; the mounting seat includes a seat body and a transmission assembly, the transmission assembly includes a driving wheel, an intermediate wheel and an internal gear , The intermediate wheel is disposed between the driving wheel and the internal gear and meshes with the driving wheel and the internal gear respectively, the internal gear is disposed on the seat body, and the output end of the driver is connected The driving wheel is used to drive the seat body to rotate relative to the carrier; and

The camera module is installed in the base body and is driven by the driver to rotate relative to the body to a first position and a second position. When in the first position, the camera module is accommodated in the mounting groove, and in the first position In the second position, the light incident surface of the camera module is exposed on the body.

An installation component that includes:

Carrier, and

The mounting seat includes a seat body and a transmission assembly. The transmission assembly includes a driving wheel, an intermediate wheel and an internal gear. The intermediate wheel is arranged between the driving wheel and the internal gear and is connected to the driving wheel and the internal gear respectively. The internal gear meshes, the internal gear is disposed on the base, and the driving wheel can drive the base to rotate relative to the carrier through the intermediate wheel and the internal gear.

A functional component including:

The installation components described above, and

The driver is arranged on the carrier, and the output end of the driver is connected to the driving wheel and can drive the driving wheel to rotate.

A terminal device, including:

The main body has an installation slot;

Driver, connected to the body;

A carrier connected to the body;

The transmission assembly includes a driving wheel, an intermediate wheel and an internal gear, the driving wheel is connected to the output end of the driver, the intermediate wheel is rotatably connected to the carrier, and the intermediate wheel is arranged on the driving wheel and Between the internal gears and meshing with the driving wheel and the internal gear;

A seat body connected to the internal gear and capable of being driven by the driver to rotate relative to the body; and

The camera module is installed on the base body and can rotate with the base body to enter and exit the installation slot.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, without creative work, the drawings of other embodiments can also be obtained based on these drawings.

FIG. 1 is a perspective view of a base of a terminal device in a first position in an embodiment;

2 is a perspective view of a perspective view of the base of the terminal device shown in FIG. 1 in a second position;

FIG. 3 is a perspective view from another perspective when the base of the terminal device shown in FIG. 2 is in a second position;

4 is a perspective view of the terminal device shown in FIG. 1 after part of the structure is removed;

Figure 5 is an exploded view of the functional components of the terminal device shown in Figure 1;

6 is a cross-sectional view of the functional components of the terminal device shown in FIG. 5;

FIG. 7 is a perspective view of the driver of the functional component of the terminal device shown in FIG. 5;

Figure 8 is a front view of the terminal device shown in Figure 4 after part of the structure is removed;

9 is a rear view of the base of the terminal device in the second position in another embodiment;

Figure 10 is a rear view of the base of the terminal device in the first position in another embodiment;

FIG. 11 is a perspective view of the base body of the functional assembly of the terminal device shown in FIG. 5;

Fig. 12 is a perspective view of a carrier of the functional assembly of the terminal device shown in Fig. 5;

FIG. 13 is a cross-sectional view of the carrier of the functional assembly of the terminal device shown in FIG. 12;

Fig. 14 is a perspective view of the functional components of the terminal device shown in Fig. 6 after a partial structure is removed;

15 is a perspective view of the internal gear of the functional assembly of the terminal device shown in FIG. 5 from a viewing angle;

16 is another perspective view of the internal gear of the functional assembly of the terminal device shown in FIG. 15;

FIG. 17 is a perspective view of the structure of the functional assembly of the terminal device shown in FIG. 6 with a part removed;

18 is a perspective view of the baffle of the functional assembly of the terminal device shown in FIG. 17;

19 is a perspective view of the base in another embodiment of the functional components of the terminal device shown in FIG. 5;

FIG. 20 is a schematic diagram of a module structure of a terminal device provided in an embodiment of the application.

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The drawings show preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

As used herein, "terminal equipment" refers to, but is not limited to, devices that can receive and/or send communication signals connected via any one or several of the following connection methods:

(1) Connection via wired lines, such as via public switched telephone networks (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, direct cable connection;

(2) Via wireless interface, such as cellular network, Wireless Local Area Network (WLAN), digital TV network such as DVB-H network, satellite network, AM-FM broadcast transmitter.

A terminal device set to communicate through a wireless interface may be referred to as a "mobile terminal." Examples of mobile terminals include but are not limited to the following electronic devices:

(1) Satellite phone or cellular phone;

(2) Personal Communications System (PCS) terminals that can combine cellular radio telephones with data processing, fax and data communication capabilities;

(3) Radio telephones, pagers, Internet/Intranet access, Web browsers, notebooks, calendars, personal digital assistants (PDAs) equipped with Global Positioning System (GPS) receivers;

(4) Conventional laptop and/or palmtop receiver;

(5) Conventional laptop and/or palmtop radio telephone transceivers, etc.

Referring to Figure 1, Figure 2 and Figure 3, in one embodiment, the terminal device 10 is a smart phone. The terminal device 10 includes a main body 100 and a functional assembly 20. The functional assembly 20 includes an installation assembly 200. The main body 100 is roughly rectangular in shape. The main body 100 includes a display screen 110 for displaying information and providing an interactive interface for users. The body 100 includes a front surface 101, a rear surface 103, and a side end surface 105 connected between the front surface 101 and the rear surface 103 opposite to each other. The direction of the displayable area of the display screen 110 is the same as that of the front surface 101. The side end surface 105 includes a top end surface 102, a bottom end surface 104, and a first side end surface 106 and a second side end surface 108 connected between the top end surface 102 and the bottom end surface 104, the first side end surface 106 and the second side The end faces 108 are arranged opposite to each other. 2 and 3, the main body 100 is provided with an installation groove 300, and the installation assembly 200 is disposed in the installation groove 300 and can rotate relative to the main body 100 to be received in the installation groove 300 or expose the main body 100. Specifically, in one embodiment, the mounting groove 300 penetrates the top surface 102. In other embodiments, the mounting groove 300 may penetrate through the bottom end surface 104, or through the first side end surface 106, or through the second side end surface 108. Of course, in other embodiments, the terminal device 10 may be a tablet computer or the like.

1 to 4, the body 100 may include a screen protection cover 120, a frame 130, a middle plate 140, and a battery cover 150 of the terminal device 10. The screen protection cover 120 covers the display screen 110 to protect the display screen 110 In effect, the side of the screen protection cover 120 facing away from the display screen 110 constitutes all or part of the front surface 101. Further, the frame 130 is arranged around the outer periphery of the middle plate 140, the display screen 110 and the battery cover 150 are respectively arranged on opposite sides of the frame 130, and the display screen 110 and the battery cover 150 are respectively arranged on opposite sides of the middle plate 140 , The middle plate 140 and the frame 130 can support and protect the display screen 110. The display screen 110 may be connected to the middle board 140 or the frame 130 by means of glue dispensing or the like, or connected to the frame 130 or the middle board 140 through the screen protection cover 120 and by means of glue. The side of the middle board 140 away from the display screen 110 and the battery cover 150 may form an installation space for installing electronic components such as a motherboard and a battery of the terminal device 10. Of course, the motherboard can integrate electronic components such as the processor, power management module, storage unit, and baseband chip of the terminal device 10. The motherboard can be regarded as a part of the main body 100. In some embodiments, the middle plate 140 and the frame 130 are integrally formed, and the battery cover 150 is an independent part. The integrally formed middle plate 140 and the frame 130 are sometimes referred to as the middle frame. At this time, the side end surface 105 corresponds to the circumference of the frame 130. Outwardly, the rear surface 103 corresponds to the outer surface of the battery cover 150 facing away from the display screen 110. In other embodiments, the frame 130 and the battery cover 150 are integrally formed, and the middle plate 140 is an independent part. The integrally formed frame 130 and the battery cover 150 may sometimes also be referred to as the rear shell. In this case, the side end surface 105 corresponds to the battery The circumferential outer surface of the cover 150 and the rear surface 103 correspond to the outer surface of the battery cover 150 facing away from the display screen 110. The middle board 140 is not necessary. In the default implementation of the middle board 140, the display screen 110, the main board, the battery, etc. may be connected to the frame 130 or the battery cover 150 by means of glue or screw connection.

Further, referring to FIG. 4, the body 100 may include a first side wall 171, a second side wall, and a groove wall 173 provided between the first side wall 171 and the second side wall, the first side wall 171 and the second side wall The walls are respectively located on opposite sides of the mounting assembly 200, the display screen 110 is arranged on the side of the first side wall 171 away from the second side wall, and the first side wall 171, the second side wall and the groove wall 173 surround the installation槽300. The groove wall 173, the first side wall 171, and the second side wall may be independent components, and are fixedly connected to the main body 100 by welding, bonding or threaded connection, etc., to form a mounting groove 300 for the mounting assembly 200 to move. This arrangement is beneficial to the sealing of the installation groove 300, and the groove wall 173, the first side wall 171, and the second side wall can also obtain higher structural strength. Of course, in other embodiments, the groove wall 173, the first side wall 171, and the second side wall can be integrally formed on the middle plate 140 or the frame 130 to simplify the groove wall 173, the first side wall 171, the second side wall and the The connection structure of the body 100. It can be understood that the first side wall 171 may be a part of the middle plate 140 or an independent part, and the second side wall may be a part of the battery cover 150 or an independent part.

Referring to FIGS. 5 and 6 at the same time, the functional component 20 includes a driver 400 and a camera module 500. The driver 400 is connected to the main body 100, and the mounting assembly 200 includes a carrier 210 and a mounting seat 220. The driver 400 is disposed on the carrier 210, and the carrier 210 is connected to a side of the main body 100 facing away from the display screen 110. Specifically, referring to FIG. 7, in one embodiment, the driver 400 is a stepping motor, and the housing of the stepping motor is connected to the carrier 210 and is fixedly connected to the body 100 through the carrier 210. For example, the carrier 210 may be connected to the main body 100 by bonding, welding or threading. Specifically, referring to FIG. 8, the carrier 210 is detachably connected to the middle plate 140 by a threaded fastener. In other embodiments, the carrier 210 may be bonded or welded to the middle plate 140. 5 and 6, the mounting seat 220 includes a seat body 221 and a transmission assembly 223. The transmission assembly 223 includes a driving wheel 223a, an intermediate wheel 223b, and an internal gear 223c. The intermediate wheel 223b is arranged between the driving wheel 223a and the internal gear 223c and The intermediate wheel 223b is rotatably connected with the carrier 210, the driving wheel 223a and the internal gear 223c mesh with the intermediate wheel 223b, the internal gear 223c is connected to the base 221, and the output end of the driver 400 is connected to the driving wheel 223a and can drive the driving wheel 223a to rotate.

The camera module 500 is installed on the base 221, and the driving wheel 223a can drive the base 221 to rotate to the first position and the second position relative to the main body 100 in the mounting groove 300 through the intermediate wheel 223b and the internal gear 223c. Referring to FIG. 1, in the first position, the camera module 500 is received in the mounting slot 300, and the light incident surface of the camera module 500 is hidden in the body 100. 2 and 3, the light-incident surface of the camera module 500 is exposed from the body 100 in the second position. Specifically, as shown in FIG. 2, in one embodiment, the orientation of the light incident surface of the camera module 500 at the second position is the same as the orientation of the displayable area of the display screen 110, that is, the camera module 500 is in the second position. It can be used as a front camera when it is located, and the user can use the camera module 500 to perform operations such as selfies and video calls. Since the camera module 500 is accommodated in the mounting slot 300 in the first position, the light-incident surface of the camera module 500 is exposed to the body 100 in the second position, and the camera module 500 does not need to occupy the area on the side where the display screen 110 is located, which is beneficial The screen-to-body ratio of the terminal device 10 is increased. For example, the screen-to-body ratio of the terminal device 10 with the above-mentioned structure may be above 85%.

Of course, in some embodiments, the direction of the light incident surface of the camera module 500 in the second position is opposite to the direction of the displayable area of the display screen 110, that is, the camera module 500 can be used as a rear camera, and the user can use The camera module 500 performs operations such as video recording and long-range shooting. When the camera module 500 is a rear camera, since the camera module 500 is accommodated in the mounting slot 300 in the first position, the light-incident surface of the camera module 500 is exposed to the body 100 in the second position, and the battery cover 150 or rear case is not required A light-through hole is provided, so that the integrity of the battery cover 150 or the rear case can be maintained to improve the appearance characteristics of the terminal device 10.

Of course, in some embodiments, the terminal device 10 may include another camera 600 connected to the base 221, and the light incident surface of the other camera 600 faces the opposite direction of the light incident surface of the camera module 500, and is in the second position. At this time, the light incident surface of the other camera 600 exposes the body 100. Specifically, referring to FIG. 9, when the orientation of the light incident surface of the camera module 500 at the second position is the same as the orientation of the displayable area of the display screen 110, the other camera 600 is exposed to the back of the display screen 110 Therefore, the camera module 500 and the other camera 600 can perform the functions of the front camera and the rear camera respectively. In other embodiments, when the camera module 500 is in the second position, the direction of the light incident surface of the camera module 500 is opposite to the direction of the displayable area of the display screen 110, and the other camera 600 is exposed on the display screen 110. Therefore, the camera module 500 and the other camera 600 can perform the functions of the rear camera and the front camera respectively. This arrangement can also avoid opening a light hole on the battery cover 150, and on the basis of increasing the screen ratio of the terminal device 10, maintain the integrity of the battery cover 150 or the rear case to improve the appearance characteristics of the terminal device 10. Of course, another camera 600 is not necessary, and thus can be omitted.

Further, referring to FIG. 10, in some embodiments, the terminal device 10 includes another camera 600 connected to the base 221, and the light incident surface of the other camera 600 faces opposite to the light incident surface of the camera module 500, and the main body 100 The side facing away from the display screen 110 is provided with a light-transmitting area. When in the first position, the ambient light can pass through the light-transmitting area and enter the other camera 600, that is, the other camera 600 does not need to be turned out of the mounting slot in the first position 300 can perform the function of the rear camera. In the second position, the camera module 500 and the other camera 600 are exposed from the body 100 to perform the functions of the front camera and the rear camera respectively. This configuration can not only achieve a high screen-to-body ratio of the terminal device 10, improve the appearance characteristics of the terminal device 10, but also improve the convenience of use. In one embodiment, the material of the battery cover 150 is glass, and the light-transmitting area is transparent, so the ambient light can pass through the light-transmitting area and enter another camera 600.

Although not shown, it is understandable that the terminal device 10 may further include a functional device provided on the base 221, and the functional device may include one or more of a receiver, a fill light, a flash, and a facial recognition module. Among them, the receiver can be used to answer voice messages, the fill light can fill light for photos taken by the front camera, and the flash can fill light for photos taken by the rear camera. The facial recognition module includes an infrared lens, flood light sensing element and dot matrix projector. The infrared lens, flood light sensing element and dot matrix projector can communicate with the main board of the terminal device 10 respectively. The infrared lens, dot matrix projector and pan The light sensing element can be used in the facial recognition process of the terminal device 10.

For the aforementioned terminal device 10, when the camera module 500 is a front camera, since the camera module 500 is housed in the mounting slot 300 in the first position, the light incident surface of the camera module 500 is exposed to the body 100 in the second position, and the camera module 500 The group 500 does not need to occupy the area on the side where the display screen 110 is located, so it is beneficial to increase the screen ratio of the terminal device 10. When the camera module 500 is a rear camera, since the camera module 500 is accommodated in the mounting slot 300 in the first position, the light-incident surface of the camera module 500 is exposed to the body 100 in the second position, and the battery cover 150 or rear case is not required A light-through hole is provided, so that the integrity of the battery cover 150 or the rear case can be maintained to improve the appearance characteristics of the terminal device 10.

Referring to FIGS. 1 and 2, in an embodiment, the length direction of the terminal device 10 is the X axis, the width direction is the Y axis, and the thickness direction is the Z axis to establish a coordinate system. Corresponding to the expression of the side end surface 105, the first side end surface 106 and the second side end surface 108 respectively extend in the X-axis direction, the top end surface 102 and the bottom end surface 104 respectively extend in the Y-axis direction, and the first side end surface 106 or the second side end surface 106 The length of the side end surface 108 is greater than the length of the top end surface 102. Of course, the length of the first side end surface 106 or the second side end surface 108 is also greater than the length of the bottom end surface 104. The display screen 110 has a plane area, and the plane where the plane area is located is a reference plane. The plane where the plane area of the display screen 110 is located is perpendicular to the Z axis direction, that is, the reference plane is a geometric plane perpendicular to the thickness direction of the terminal device 10. 5 and 11, the line of the maximum width of the orthographic projection of the seat body 221 on the reference plane forms a reference line, and the rotation axis of the seat body 221 passes through the center of the reference line. Further, in an embodiment, the edge of the orthographic projection of the seat body 221 on the reference plane is in the shape of a superior arc. When corresponding to the expression of the reference line, the reference line formed by the seat body 221 of the superior arc on the reference plane is a circular arc. diameter. The superior arc-shaped base 221 has a relatively regular appearance, which is beneficial to improve the appearance characteristics of the terminal device 10. Of course, in other embodiments, the edge of the orthographic projection of the seat body 221 on the reference plane may take other shapes, such as a rectangle, or a rounded rectangle, or a triangle, or a regular pentagon.

Referring to Figures 12 and 13, in an embodiment, the carrier 210 includes an integrally formed plate body 211 and a boss 213. The plate body 211 can be connected to the body 100 by bonding, welding or screwing, and the boss 213 faces away from the display screen. One side of 110 protrudes from the plate body 211, and the side of the boss 213 facing the display screen 110 is provided with a groove 215 for accommodating the driver 400. With reference to Fig. 14, the output end of the driver 400 extends out of the boss 213 and is connected to the driving wheel 223a. Further, one of the boss 213 and the intermediate wheel 223b is provided with a boss 217, and the other is provided with a shaft hole 223d for passing through the boss 217, and the intermediate wheel 223b realizes rotation through the cooperation of the boss 217 and the shaft hole 223d. connection. Specifically, in the embodiment shown in FIG. 14, the boss 217 and the boss 213 are integrally formed, or the boss 217 can be fixed to the boss 213 by welding or screw connection, the middle wheel 223b is provided with a shaft hole 223d, and the middle wheel 223b The shaft hole 223d is sleeved on the boss 217 and can rotate relative to the boss 217. In an embodiment, the number of intermediate wheels 223b is 3, and in other embodiments, the number of intermediate wheels 223b may be 4 or more. 15, 16 and 17 at the same time, the internal gear 223c includes a ring gear 223e meshing with the intermediate gear 223b, the ring gear 223e is sleeved on the outer circumference of the intermediate gears 223b, and the intermediate gears 223b and the ring gear 223e respectively Meshing. The meshing structure of the plurality of intermediate wheels 223b and the ring gear 223e can use the plurality of intermediate wheels 223b to divert the load, so as to increase the output torque of the transmission assembly 223 and obtain a higher reduction ratio.

Further, referring to FIG. 11, the base 221 includes a bottom plate 221a and a convex ring 221b connected to the bottom plate 221a. With reference to FIG. 6, the camera module 500 is mounted on the bottom plate 221a, and the convex ring 221b is protruding from the bottom plate toward the side facing away from the display screen 110. 221a. Referring to Figures 11 and 17, the convex ring 221b has a mounting hole 221c. One of the wall of the mounting hole 221c and the outer wall of the ring gear 223e away from the intermediate wheel 223b is provided with a slot 223f, and the other is provided with a protrusion 221d The seat body 221 is sleeved on the outer periphery of the ring gear 223e through the mounting hole 221c, and the protrusion 221d is engaged with the groove 223f. Specifically, in the embodiment shown in FIG. 11, the wall of the mounting hole 221c is provided with bumps 221d. Referring to FIG. 17, the outer wall of the ring gear 223e facing away from the intermediate wheel 223b is provided with a card slot 223f, and the seat body 221 passes through the mounting hole. When the 221c is sleeved on the outer circumference of the ring gear 223e, the protrusion 221d can be engaged with the groove 223f to fix the seat body 221 and the internal gear 223c in the circumferential direction. Of course, in other embodiments, the ring gear 223e and the convex ring 221b of the seat body 221 can be integrally formed. This structure can simplify the connection structure of the ring gear 223e and the seat body 221 to facilitate processing and manufacturing.

Further, in parameter FIG. 11, the seat body 221 includes a first side plate 221e and a second side plate 221f connected to the outer periphery of the bottom plate 221a. The bottom plate 221a, the first side plate 221e and the second side plate 221f enclose a receiving cavity 222, the receiving cavity 222 can be used to install electronic devices such as the camera module 500. Taking the plane of the plane area of the display screen 110 as the reference plane, when the edge corresponding to the orthographic projection of the base body 221 is arcuate, the orthographic projection of the first side plate 221e on the reference plane is arc-shaped, and the second side plate 221f The orthographic projection on the reference plane is a line segment, and the two ends of the line segment are respectively connected to the two ends of the arc.

Further, referring to FIG. 16, the internal gear 223c includes a cover 223g connected to the ring gear 223e, the ring gear 223e is located on the outer periphery of the cover 223g, and the cover 223g covers the driving wheel 223a and the intermediate wheel 223b. The cover 223g can be integrally formed with the ring gear 223e, or can be fixedly connected by welding or the like. The internal gear 223c can be made of high-strength materials such as stainless steel or powder metallurgy, so that the thickness of the internal gear 223c in the thickness direction (Z-axis direction) of the terminal device 10 does not have to be too thick and the internal gear 223c can obtain higher structural strength. Therefore, it is beneficial to the slim design of the terminal device 10. The internal gear 223c is detachably connected to the base 221 so that the material of the base 221 can be different from that of the internal gear 223c. For example, the base body 221 can be made of light alloys such as aluminum alloy or magnesium alloy, so that the base body 221 has a smaller mass and makes it easier for the base body 221 to obtain better appearance characteristics, thereby facilitating the lightweight and thin design of the terminal device 10 And improve the appearance characteristics of the terminal device 10. Furthermore, the side of the cover 223g away from the intermediate wheel 223b is provided with a counterbore 224, and the counterbore 224 penetrates the cover 223g. Referring to FIG. 18 in conjunction with FIG. 6, the mounting base 220 includes a baffle 226, which is received in the counterbore 224 and is fixedly connected to the output end of the driver 400. The baffle 226 can be fixedly connected to the output end of the driver 400 by welding or bonding, so that the internal gear 223c is fixedly connected to the output end of the driver 400 in the axial direction, and prevents the internal gear 223c from being easily removed from the intermediate wheel during rotation. 223b break away. Of course, in other embodiments, the baffle 226 may be fixedly connected to the driving wheel 223a by welding or bonding.

Further, referring to FIGS. 5 and 6, the mounting seat 220 may include a decorative member 225 that covers the receiving cavity 222 and is connected to the first side plate 221e and the second side plate 221f. The material of the decoration 225 may be metal such as aluminum alloy, magnesium alloy or stainless steel, and the material of the decoration 225 may also be non-metal such as ceramic, glass, plastic, etc. Furthermore, the base 221 includes a protective cover 227 on the side of the bottom plate 221 a away from the receiving cavity 222, and ambient light can pass through the protective cover 227 and enter the camera module 500. The material of the protective cover 227 may be glass or sapphire, and the protective cover 227 has a higher light transmittance, for example, the light transmittance may be above 85%. The protective cover 227 can protect the camera module 500 better to prevent the lens of the camera module 500 from being scratched.

In one embodiment, the main body 100 includes a first UHF communication chip (not shown), which may be integrated on the motherboard. Referring to FIG. 19, the mounting base 220 may be provided with a camera module 500 The second UHF communication chip 229 is communicatively connected. When in the second position, the first UHF communication chip can be paired with the second UHF communication chip 229 to realize the communication connection between the main body 100 and the camera module 500. Specifically, the first UHF communication chip and the second UHF communication chip 229 are both UHF communication chips. The extremely high frequency communication chip is an IC (Integrated Circuit) chip with an EHF (extremely high frequency) antenna encapsulated inside. Only when the two extremely high frequency communication chips are close enough can they be paired for wireless Communication. An example of an extremely high frequency communication chip is an EHF common link chip. The terms "common link chip", "common link chip package" and "EHF communication link chip package" are used to refer to the EHF antenna embedded in the IC package. Examples of the UHF communication chip can refer to the information described in the US Patent Application Publication Nos. 2012/0263244 and 2012/0307932, and also refer to the information disclosed in the Chinese patent documents with publication numbers CN103563166A and CN104145380A.

Examples of UHF communication chips can be found in the Chinese authorized patent document with the authorized announcement number CN105264785B. The UHF communication chip is packaged with an UHF antenna, and the body 100 equipped with the UHF communication chip can realize high-speed data based on the high carrier frequency (for example, 60GHz) and the camera module 500 equipped with the UHF communication chip. Wireless transmission (for example, up to 6GB/s transmission speed).

It is understandable that short-range wireless communication based on high carrier frequency has the advantages of low power consumption, small size, fast transmission rate, and non-contact transmission. It can also realize the function of plug-and-play module and greatly improve signal integrity. , Support more flexible system implementation, reduce standby power consumption, increase bandwidth range and data transmission security, compatible with high-speed video signal support and other features.

It is understandable that the high carrier frequency may be a carrier frequency capable of realizing high-speed wireless data transmission. The high carrier frequency may be a certain clear carrier frequency, or a carrier frequency band, for example, 30 GHz-300 GHz, which is not specifically limited in the embodiment of the present application. Optionally, the high carrier frequency is 60 GHz.

In one embodiment, the UHF communication chip may include a first transducer and a first integrated circuit (IC), the first transducer is used to convert electromagnetic signals into radio frequency electrical signals, and the first integrated circuit is used to couple to The first transducer. The first integrated circuit includes a receiver circuit and a signal detector circuit. The receiver circuit is used to receive the first radio frequency electrical signal from the first transducer, and to convert the first radio frequency electrical signal into a first baseband signal, and to control the signal The first baseband signal is output when it has a first state, and the first baseband signal is not output when the control signal has a second state different from the first state. The signal detector circuit is responsive to a monitor signal representing the received first radio frequency electrical signal for generating a control signal having a first state when the monitor signal indicates that the received first radio frequency electrical signal is an acceptable signal, And when the monitor signal indicates that the received first radio frequency electrical signal is not an acceptable signal, the control signal with the second state is generated. This type of extremely high frequency communication chip is an extremely high frequency communication chip capable of receiving electromagnetic signals.

The UHF communication chip may include a second transducer and a second integrated circuit. The second transducer is used to convert radio frequency electrical signals into electromagnetic signals. The second transducer is sufficiently close to the first transducer to allow the first transducer The energy transducer receives the electromagnetic signal generated by the second transducer. The second integrated circuit is for coupling to the second transducer, and the second integrated circuit contains a transmitter circuit for receiving the second baseband signal and transforming the second baseband signal into a second radio frequency electrical signal, and converting the second radio frequency electrical signal The signal is conducted to the second transducer. This type of extremely high frequency communication chip is an extremely high frequency communication chip capable of transmitting electromagnetic signals.

Two first UHF communication chips can be provided, one of which is an UHF communication chip that receives electromagnetic signals, and the other is an UHF communication chip that sends electromagnetic signals. Two second UHF communication chips 229 may be provided correspondingly, one of which is an UHF communication chip that transmits electromagnetic signals, and the other is an UHF communication chip that receives electromagnetic signals. Of course, the first UHF communication chip or the second UHF communication chip 229 may be an UHF communication chip having the functions of transmitting and receiving signals at the same time. When the first UHF communication chip is an UHF communication chip that has both the functions of transmitting and receiving signals, the first UHF communication chip may include a transducer and an integrated circuit (IC), and the transducer is used in Conversion between radio frequency electrical signals and electromagnetic signals. The integrated circuit is used to couple to the transducer. The integrated circuit contains a transmitter circuit and a receiver circuit. The transmitter circuit can transform the baseband signal into a radio frequency electrical signal, and conduct the radio frequency electrical signal to the transducer, and then the transducer The radio frequency electrical signal is transformed into an electromagnetic signal and transmitted; the transducer can be transformed into a radio frequency electrical signal after receiving the electromagnetic signal, and the receiver circuit can receive the radio frequency electrical signal from the transducer and transform the radio frequency electrical signal into a baseband signal. The first extremely high frequency communication chip may further include an electromagnetic energy guiding assembly installed relative to the transducer for guiding the electromagnetic energy in the region containing the transducer and in a direction away from the integrated circuit. energy.

Specifically, when the first UHF communication chip is an UHF communication chip that has the functions of transmitting and receiving signals at the same time, the first UHF communication chip may include a first transducer, a second transducer, The first integrated circuit and the second integrated circuit. The first transducer is used to convert electromagnetic signals into radio frequency electrical signals, and the first integrated circuit is used to couple to the first transducer. The first integrated circuit includes a receiver circuit and a signal detector circuit. The receiver circuit is used to receive the first radio frequency electrical signal from the first transducer, and to convert the first radio frequency electrical signal into a first baseband signal, and to control the signal The first baseband signal is output when it has a first state, and the first baseband signal is not output when the control signal has a second state different from the first state. The signal detector circuit is responsive to a monitor signal representing the received first radio frequency electrical signal for generating a control signal having a first state when the monitor signal indicates that the received first radio frequency electrical signal is an acceptable signal, And when the monitor signal indicates that the received first radio frequency electrical signal is not an acceptable signal, the control signal with the second state is generated. The second transducer is used to convert radio frequency electrical signals into electromagnetic signals, and the second transducer is sufficiently close to the first transducer so that the first transducer can receive the electromagnetic signal generated by the second transducer. The second integrated circuit is for coupling to the second transducer, and the second integrated circuit contains a transmitter circuit for receiving the second baseband signal and transforming the second baseband signal into a second radio frequency electrical signal, and converting the second radio frequency electrical signal The signal is conducted to the second transducer.

In one embodiment, the first UHF communication chip is generally rectangular block shape, and the second UHF communication chip 229 is generally rectangular block shape. When the first UHF communication chip and the second UHF communication chip 229 are close enough to complete the pairing, the normal line passing through the centroid of the first UHF communication chip and the surface of the second UHF communication chip 229 There is an intersection, and the distance between the intersection and the centroid of the second extremely high frequency communication chip 229 is less than or equal to 2.5 mm, and the centroid of the first extremely high frequency communication chip and the centroid of the second extremely high frequency communication chip 229 are different The distance between them is less than or equal to 8.5 mm. The above arrangement can realize reliable communication between the first UHF communication chip and the second UHF communication chip 229, so as to facilitate data transmission between the camera module 500 and the main body 100.

Referring to FIG. 20, FIG. 20 is a schematic structural diagram of a terminal device 10 according to an embodiment of the application. The terminal device 10 may include a radio frequency (RF) circuit 501, a memory 502 including one or more computer-readable storage media, an input unit 503, a display unit 504, a sensor 504, an audio circuit 506, and wireless fidelity ( The WiFi (Wireless Fidelity) module 507 includes a processor 508 with one or more processing cores, a power supply 509 and other components. Those skilled in the art can understand that the structure of the terminal device 10 shown in FIG. 20 does not constitute a limitation on the terminal device 10, and may include more or fewer components than shown in the figure, or a combination of certain components, or different components. Layout.

The radio frequency circuit 501 can be used to send and receive information, or to receive and send signals during a call. In particular, after receiving the downlink information of the base station, it is processed by one or more processors 508; in addition, the uplink data is sent to the base station. . Generally, the radio frequency circuit 501 includes, but is not limited to, an antenna, at least one amplifier, a tuner, one or more oscillators, a Subscriber Identity Module (SIM) card, a transceiver, a coupler, and a low noise amplifier (LNA, Low Noise Amplifier), duplexer, etc. In addition, the radio frequency circuit 501 can also communicate with the network and other devices through wireless communication. The wireless communication can use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS, General Packet Radio Service), Code Division Multiple Access (CDMA, Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA, Wideband Code Division Multiple Access), Long Term Evolution (LTE), Email, Short Message Service (SMS, Short Messaging Service), etc.

The memory 502 can be used to store application programs and data. The application program stored in the memory 502 contains executable code. Application programs can be composed of various functional modules. The processor 508 executes various functional applications and data processing by running application programs stored in the memory 502. The memory 502 may mainly include a storage program area and a storage data area. The storage program area may store an operating system, an application program required by at least one function (such as a sound playback function, an image playback function, etc.), etc.; The data (such as audio data, phone book, etc.) created by the use of the terminal device 10, etc. In addition, the memory 502 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices. Correspondingly, the memory 502 may further include a memory controller to provide the processor 508 and the input unit 503 to access the memory 502.

The input unit 503 can be used to receive inputted numbers, character information or user characteristic information (such as fingerprints), and generate keyboard, mouse, joystick, optical or trackball signal input related to user settings and function control. Specifically, in a specific embodiment, the input unit 503 may include a touch-sensitive surface and other input devices. A touch-sensitive surface, also called a touch screen or a touchpad, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch-sensitive surface or on the touch-sensitive surface. Operation near the surface), and drive the corresponding connection device according to the preset program. Optionally, the touch-sensitive surface may include two parts: a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch position, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 508, and can receive commands sent by the processor 508 and execute them.

The display unit 504 may be used to display information input by the user or information provided to the user and various graphical user interfaces of the terminal device 10, and these graphical user interfaces may be composed of graphics, text, icons, videos, and any combination thereof. The display unit 504 may include a display panel. Optionally, the display panel can be configured in the form of a liquid crystal display (LCD, Liquid Crystal Display), an organic light emitting diode (OLED, Organic Light-Emitting Diode), etc. Further, the touch-sensitive surface can cover the display panel. When the touch-sensitive surface detects a touch operation on or near it, it is transmitted to the processor 508 to determine the type of the touch event, and then the processor 508 displays the display panel according to the type of the touch event. Corresponding visual output is provided on the panel. Although in FIG. 20, the touch-sensitive surface and the display panel are used as two independent components to realize the input and input functions, but in some embodiments, the touch-sensitive surface and the display panel may be integrated to realize the input and output functions.

The terminal device 10 may also include at least one sensor 505, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor. The ambient light sensor can adjust the brightness of the display panel according to the brightness of the ambient light, and the proximity sensor can close the display panel and/or when the terminal device 10 is moved to the ear. Or backlight. As a kind of motion sensor, the gravity acceleration sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when it is stationary. It can be used to identify mobile phone posture applications (such as horizontal and vertical screen switching, related Games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; as for the terminal device 10 can also be configured with other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc., here No longer.

The audio circuit 506 can provide an audio interface between the user and the terminal device 10 through a speaker and a microphone. The audio circuit 506 can convert the received audio data into electrical signals, transmit them to the speakers, and then convert them into sound signals for output; on the other hand, the microphone converts the collected sound signals into electrical signals, which are converted into electrical signals after being received by the audio circuit 506. The audio data is processed by the audio data output processor 508, and then sent to, for example, another terminal device 10 via the radio frequency circuit 501, or the audio data is output to the memory 502 for further processing. The audio circuit 506 may also include an earphone holder to provide communication between a peripheral earphone and the terminal device 10.

Wireless fidelity (WiFi) is a short-distance wireless transmission technology. Through the wireless fidelity module 507, the terminal device 10 can help users send and receive emails, browse webpages, and access streaming media, etc. It provides users with wireless broadband Internet access. Although FIG. 20 shows the wireless fidelity module 507, it can be understood that it is not a necessary component of the terminal device 10, and can be omitted as needed without changing the essence of the invention.

The processor 508 is the control center of the terminal device 10, sometimes referred to as the main controller. The processor 508 uses various interfaces and lines to connect various parts of the entire terminal device 10, and runs or executes the application programs stored in the memory 502. , And call the data stored in the memory 502, execute various functions and process data of the terminal device 10, so as to monitor the terminal device 10 as a whole. Optionally, the processor 508 may include one or more processing cores; preferably, the processor 508 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface, and application programs, etc. , The modem processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 508.

The terminal device 10 also includes a power supply 509 for supplying power to various components. Preferably, the power supply 509 may be logically connected to the processor 508 through a power management system, so that functions such as charging, discharging, and power consumption management can be managed through the power management system. The power supply 509 may also include one or more DC or AC power supplies, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and any other components.

Although not shown in FIG. 20, the terminal device 10 may also include a Bluetooth module, etc., which will not be repeated here. During specific implementation, each of the above modules can be implemented as an independent entity, or can be combined arbitrarily, and implemented as the same or several entities. For the specific implementation of each of the above modules, please refer to the previous method embodiments, which will not be repeated here.

The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, All should be considered as the scope of this specification.

The above-mentioned embodiments only express several embodiments of the present invention, and the descriptions are more specific and detailed, but they should not be understood as limiting the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can be made, and these all fall within the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims

A terminal device, including:

The main body includes a display screen, and the main body is provided with an installation slot;

Driver, connected to the body;

The mounting assembly includes a mounting seat and a carrier connected to the body, the driver is arranged on the carrier; the mounting seat includes a seat body and a transmission assembly, the transmission assembly includes a driving wheel, an intermediate wheel and an internal gear , The intermediate wheel is disposed between the driving wheel and the internal gear and meshes with the driving wheel and the internal gear respectively, the internal gear is disposed on the seat body, and the output end of the driver is connected The driving wheel is used to drive the seat body to rotate relative to the carrier; and

The camera module is installed in the base body and is driven by the driver to rotate relative to the body to a first position and a second position. When in the first position, the camera module is accommodated in the mounting groove, and in the first position In the second position, the light incident surface of the camera module is exposed on the body.
The terminal device according to claim 1, wherein the direction of the light incident surface of the camera module in the second position is the same as the direction of the displayable area of the display screen; or when in the second position The direction of the light incident surface of the camera module is opposite to the direction of the displayable area of the display screen.
The terminal device according to claim 1, wherein the carrier includes an integrally formed plate body and a boss, the plate body is connected to the body, and the boss faces a side away from the display screen. The board protrudes, a groove for accommodating the driver is opened on the side of the boss facing the display screen, and the output end of the driver protrudes from the boss and connects with the driving wheel. connection.
The terminal device according to claim 3, wherein one of the boss and the intermediate wheel is provided with a boss, and the other is provided with a shaft hole for passing through the boss, the The intermediate wheel realizes a rotational connection through the cooperation of the convex column and the shaft hole.
The terminal device according to claim 1, wherein the internal gear includes a ring gear meshing with the intermediate wheel, the seat body includes a bottom plate and a convex ring connected to the bottom plate, and the camera module Mounted on the bottom plate, the convex ring is protruding from the bottom plate on the side facing away from the display screen, the convex ring has a mounting hole, the hole wall of the mounting hole and the gear ring are away from the One of the outer walls of the intermediate wheel is provided with a locking groove, the other is provided with a protrusion, the seat is sleeved on the outer circumference of the ring gear through the mounting hole, and the protrusion is engaged with the locking groove .
The terminal device according to claim 5, wherein the internal gear includes a cover connected to the ring gear, the ring gear is located on the outer periphery of the cover, and the cover covers the driving wheel. And the middle wheel.
The terminal device according to claim 6, wherein a counterbore is provided on the side of the cover away from the intermediate wheel, and the counterbore penetrates the cover; the mounting seat includes a baffle, so The baffle is accommodated in the counterbore and is fixedly connected with the output end of the driver or the driving wheel.
The terminal device according to claim 5, wherein the base body comprises a first side plate and a second side plate connected to the outer periphery of the bottom plate, the bottom plate, the first side plate and the second side plate The two side plates enclose a receiving cavity.
8. The terminal device according to claim 8, wherein the mounting seat comprises a decorative element, the decorative element covers the receiving cavity and is connected to the first side plate and the second side plate.
The terminal device according to claim 8, wherein the mounting seat comprises a protective cover plate located on the side of the bottom plate away from the receiving cavity, and ambient light can pass through the protective cover plate and enter the The camera module.
The terminal device according to any one of claims 1-10, wherein the display screen comprises a plane area, the rotation axis of the base body passes through the center of a reference line, and the reference line is the base body The line of the maximum width of the orthographic projection on the reference plane, the reference plane being the geometric plane where the plane area is located.
The terminal device according to any one of claims 1-10, wherein the display screen comprises a plane area, the edge of the orthographic projection of the base on the reference plane is in a superior arc shape, and the reference plane is The geometric plane where the plane area is.
The terminal device according to any one of claims 1-10, wherein the body comprises a front surface, a rear surface disposed opposite to each other, and a side end surface connected between the front surface and the rear surface , The direction of the displayable area of the display screen is the same as the direction of the front surface; the side end surface includes a top end surface, a bottom end surface disposed opposite to each other, and a The first side end surface and the second side end surface, the first side end surface and the second side end surface are arranged opposite to each other; the mounting groove penetrates the top end surface, or the bottom end surface, or the first The side end surface, or through the second side end surface.
The terminal device according to any one of claims 1-10, wherein the terminal device comprises another camera connected to the base, and a light incident surface of the other camera is connected to the camera module The light incident surface of the other camera faces the opposite direction, and the light incident surface of the other camera is exposed to the body when in the second position.
The terminal device according to any one of claims 1-10, wherein the terminal device comprises another camera connected to the base, and a light incident surface of the other camera is connected to the camera module The light-incident surface of the body faces the opposite direction, and the side of the main body facing away from the display screen is provided with a light-transmitting area, and the ambient light can pass through the light-transmitting area and enter the other camera in the first position.
The terminal device according to any one of claims 1-10, wherein the body includes a first extremely high frequency communication chip, and the mounting base is provided with a second electrode capable of communicating with the camera module. A high-frequency communication chip. When in the second position, the first UHF communication chip can be paired with the second UHF communication chip to realize the communication connection between the main body and the camera module.
An installation component that includes:

Carrier, and

The mounting seat includes a seat body and a transmission assembly. The transmission assembly includes a driving wheel, an intermediate wheel and an internal gear. The intermediate wheel is arranged between the driving wheel and the internal gear and is connected to the driving wheel and the internal gear respectively. The internal gear meshes, the internal gear is disposed on the base, and the driving wheel can drive the base to rotate relative to the carrier through the intermediate wheel and the internal gear.
The mounting assembly according to claim 17, wherein the carrier includes an integrally formed plate body and a boss, the boss protrudes from the plate body, and the boss is provided with a groove.
The mounting assembly according to claim 18, wherein one of the boss and the intermediate wheel is provided with a boss, the other is provided with a shaft hole for passing through the boss, the The intermediate wheel realizes a rotational connection through the cooperation of the convex column and the shaft hole.
The mounting assembly according to claim 17, wherein the internal gear includes a ring gear meshing with the intermediate wheel, the seat body includes a bottom plate and a convex ring connected to the bottom plate, the convex ring convex Located on the bottom plate, the convex ring has a mounting hole, one of the hole wall of the mounting hole and the outer wall of the ring gear away from the intermediate wheel is provided with a card slot, and the other is provided with a protrusion , The seat body is sleeved on the outer circumference of the ring gear through the mounting hole, and the protrusion is engaged with the groove.
The mounting assembly of claim 20, wherein the internal gear includes a cover connected to the ring gear, the ring gear is located on the outer periphery of the cover, and the cover covers the driving wheel And the middle wheel.
The mounting assembly according to claim 21, wherein a counterbore is provided on the side of the cover away from the intermediate wheel, and the counterbore penetrates the cover; the mounting seat includes a baffle, so The baffle is accommodated in the counterbore and is fixedly connected with the driving wheel.
The mounting assembly according to claim 20, wherein the seat body comprises a first side plate and a second side plate connected to the outer periphery of the bottom plate, the bottom plate, the first side plate and the first side plate The two side plates enclose an accommodating cavity; the mounting seat includes a decorative member, which covers the accommodating cavity and is connected to the first side plate and the second side plate.
A functional component including:

The mounting assembly according to any one of claims 17-23, and

The driver is arranged on the carrier, and the output end of the driver is connected to the driving wheel and can drive the driving wheel to rotate.
The functional assembly according to claim 24, comprising a camera module, and the camera module is connected to the base.
A terminal device, including:

The main body has an installation slot;

Driver, connected to the body;

A carrier connected to the body;

The transmission assembly includes a driving wheel, an intermediate wheel and an internal gear, the driving wheel is connected to the output end of the driver, the intermediate wheel is rotatably connected to the carrier, and the intermediate wheel is arranged on the driving wheel and Between the internal gears and meshing with the driving wheel and the internal gear;

A seat body connected to the internal gear and capable of being driven by the driver to rotate relative to the body; and

The camera module is installed on the base body and can rotate with the base body to enter and exit the installation slot.
The terminal device according to claim 26, wherein the main body comprises a display screen, and when the camera module is exposed to the main body, the ambient light on the side of the display screen can be incident on the camera module s.
The terminal device according to claim 27, wherein the carrier comprises an integrally formed board and a boss, the board is connected to the body, and the boss faces a side away from the display screen. The board protrudes, a groove for accommodating the driver is opened on the side of the boss facing the display screen, and the output end of the driver extends out of the boss.
The terminal device according to claim 28, wherein one of the boss and the intermediate wheel is provided with a boss, and the other is provided with a shaft hole for passing through the boss, the The intermediate wheel realizes a rotational connection through the cooperation of the convex column and the shaft hole.
The terminal device according to claim 27, wherein the internal gear includes a ring gear meshing with the intermediate wheel, the seat body includes a bottom plate and a convex ring connected to the bottom plate, and the camera module Mounted on the bottom plate, the convex ring protrudes from the bottom plate to the side facing away from the display screen, the convex ring is provided with a mounting hole, the hole wall of the mounting hole and the gear ring are away from the One of the outer walls of the intermediate wheel is provided with a locking groove, the other is provided with a protrusion, the seat is sleeved on the outer circumference of the ring gear through the mounting hole, and the protrusion is limited to the locking groove.