CN210609253U - Camera lifting device and mobile terminal - Google Patents

Abstract

The application discloses camera elevating gear includes: the support comprises a driving support, a connecting support and an elastic connecting piece, the connecting support is used for fixing the camera, and the driving support is abutted against the connecting support and is connected with the connecting support through the elastic connecting piece; the driving piece is used for providing power for driving the bracket to lift; the gear rack transmission assembly is connected with the driving support of the driving piece and the support. This application carries out the transmission through rack and pinion drive assembly, can realize great drive ratio, drives the camera and goes up and down relatively fast, improves lifting efficiency.

Description

Camera lifting device and mobile terminal

Technical Field

The application relates to the technical field of terminals, in particular to a camera lifting device and a mobile terminal.

Background

At present, the maximization of screen occupation ratio is a design trend of mobile terminal equipment represented by a smart phone, and a front-facing camera must be placed on the screen side of the mobile phone, so that great challenges are brought to the design of a full screen.

The existing mobile terminal adopts a camera lifting scheme to realize quick extension and retraction of the camera, a camera hole is not required to be opened on the front surface of a screen of the mobile terminal, and the front screen occupation ratio and the display effect of the screen can be obviously improved. However, the existing lifting schemes all adopt screw rod transmission, the transmission ratio is small, and the lifting efficiency is low.

SUMMERY OF THE UTILITY MODEL

To above-mentioned technical problem, this application provides a camera elevating gear and mobile terminal, can improve the lift efficiency of camera.

In order to solve the above technical problem, the present application provides a camera elevating gear, include:

the bracket is used for fixing the camera;

the driving piece is used for providing power for driving the bracket to lift;

and the gear rack transmission assembly is connected with the driving piece and the bracket.

The rack-and-pinion transmission assembly comprises a rack and a gear, the rack is connected with the support, the gear is connected with the driving piece, and the rack is meshed with the gear.

The rack is a soft rack, the gears comprise a first gear and a second gear, the rack is in a closed ring shape, the first gear and the second gear are respectively arranged at two ends of the rack and are meshed with the inner side surface of the rack, the first gear is connected with the driving piece, and the second gear is rotatably arranged.

Wherein, the support includes drive support, linking bridge and elastic connection spare, elastic connection spare both ends respectively with drive support reaches linking bridge connects and follows the lift direction of support sets up, drive support with the rack connection, linking bridge is used for fixing the camera, linking bridge's both sides are followed drive support's lift direction is equipped with spacing slot hole, drive support is equipped with the stopper, stopper slidable ground sets up in the spacing slot hole, and elastic connection spare's effect down with the lower extreme lateral wall of spacing slot hole offsets.

The rack is a hard rack, the rack is in a strip shape, and the gear is meshed with the upper side surface of the rack.

Wherein, the support includes driving support, linking bridge and elastic connection spare, elastic connection spare both ends respectively with driving support reaches linking bridge connects and follows the lift direction of support sets up, driving support with the rack is connected, linking bridge is used for fixing the camera, linking bridge is being close to one side of driving support is equipped with the perpendicular the limiting plate of driving support's lift direction, driving support is in support under elastic connection spare's the effect support by on the limiting plate.

The rack is characterized by further comprising a limiting sliding groove and a limiting sliding block, the limiting sliding groove is arranged along the lifting direction of the rack, the limiting sliding block is connected with the limiting sliding groove in a sliding mode, and the driving support is integrally formed by the upper end of the rack.

The support comprises a driving support, a connecting support and an elastic connecting piece, the driving support is connected with the rack, the connecting support is used for fixing the camera, and the driving support is abutted to the connecting support and is connected with the connecting support through the elastic connecting piece.

The magnetic field sensor is used for generating a magnetic induction signal used for representing the position of the connecting support.

The present application further provides a mobile terminal, including:

a housing;

the camera lifting device is arranged in the shell;

the camera is accommodated in the first position in the shell and can be driven by the camera lifting device to move from the first position to the second position so as to protrude out of the shell.

As mentioned above, the camera lifting device of this application includes support, driving piece and rack and pinion transmission subassembly, and the support is used for fixed camera, and the driving piece is used for providing the power that the drive support goes up and down, and rack and pinion transmission subassembly connects driving piece and support. This application carries out the transmission through rack and pinion drive assembly, can realize great drive ratio, drives the camera and goes up and down relatively fast, improves lifting efficiency.

The mobile terminal comprises the shell, the camera lifting device and the camera, wherein the camera lifting device is arranged in the shell, the camera is accommodated in the first position in the shell, and the camera lifting device can be driven to move from the first position to the second position to stretch out of the shell in a protruding mode. This application utilizes camera elevating gear to realize stretching out and retrieving of camera to can realize the design of full face screen, and the lift of camera is efficient.

Drawings

Fig. 1 is a schematic view of an overall structure of a camera lifting device according to an embodiment;

fig. 2 is one of partial structural schematic views of the camera lifting device in fig. 1;

fig. 3 is a second schematic view of a part of the structure of the camera lifting device in fig. 1;

fig. 4 is a third schematic partial structural view of the camera lifting device in fig. 1;

FIG. 5 is a fourth schematic view of a part of the camera lifting device in FIG. 1;

fig. 6 is one of the partial structural schematic diagrams of the camera lifting device in fig. 1 in a buffering state;

fig. 7 is a second schematic view of a part of the structure of the camera lifting device in fig. 1 in a buffering state;

fig. 8 is a third schematic partial structural view of the camera lifting device in fig. 1 in a buffering state;

fig. 9 is a schematic view showing the overall structure of a camera lifting device according to another embodiment;

fig. 10 is another overall structural schematic diagram of the camera lifting device in fig. 9;

fig. 11 is one of partial structural schematic views of the camera lifting device in fig. 9;

fig. 12 is a second schematic view of a part of the camera lifting device in fig. 9;

fig. 13 is one of the partial schematic structural views of the camera lifting device in fig. 9 in a buffering state;

fig. 14 is a second schematic view of a part of the structure of the camera lifting device in fig. 9 in a buffering state;

fig. 15 is a third schematic partial structural view of the camera lifting device in fig. 9 in a buffering state;

fig. 16 is a fourth schematic view of a part of the structure of the camera lifting device in fig. 9 in a buffering state;

fig. 17 is a schematic structural diagram illustrating the terminal with the camera in the first position according to an embodiment;

FIG. 18 is a schematic diagram illustrating a configuration of a terminal with a camera in a second position according to one embodiment;

fig. 19 is a schematic structural diagram of the terminal according to an embodiment when the camera lifting device is in a buffering state.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present application. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Although the terms first, second, etc. may be used herein to describe various elements in some instances, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

Fig. 1 is a schematic view of an overall structure of a camera lifting device according to an embodiment. As shown in fig. 1, the camera lifting device of this embodiment includes a bracket 13, a driving member 11, and a rack and pinion transmission assembly 12, where the bracket 13 is used to fix the camera 19, the driving member 11 is used to provide power for driving the bracket 131 to lift, and the rack and pinion transmission assembly 12 connects the driving member 11 and the bracket 13.

The driving member 11 is used for providing power for driving the bracket 131 to ascend and descend, in this embodiment, the driving member 11 includes an electric motor 111 and a reduction box 112, the electric motor 111 is, for example, a stepping motor, the reduction box 112 is connected to an output shaft of the electric motor 111, and the electric motor 111 can control the ascending and descending of the bracket 13 through forward and reverse rotation.

The rack-and-pinion assembly 12 includes a rack 121 and a pinion, the rack 121 is connected to the bracket 13, the pinion is connected to the driving member 11, and the rack 121 is engaged with the pinion.

The bracket 13 includes a driving bracket 131, a connecting bracket 132 and an elastic connecting piece 133, the driving bracket 131 is connected to the rack 121, the connecting bracket 132 is used for fixing the camera 19, and the driving bracket 131 abuts against the connecting bracket 132 and is connected to the connecting bracket 133 through the elastic connecting piece 133.

Referring to fig. 1 and fig. 2, in the present embodiment, the rack 121 is a soft rack, such as a nylon rack, the gear includes a first gear 122 and a second gear 123, and the first gear 122 and the second gear 123 are plastic gears, for example. The rack 121 is in a closed ring shape, the first gear 122 and the second gear 123 are respectively arranged at two ends of the rack 121 and meshed with the inner side surface of the rack 121, the first gear 122 is connected with the reduction gearbox 112, the second gear 123 is rotatably arranged on the shell 17, when the first gear 122 is driven by the driving part 11 to rotate, the rack 121 is driven by the first gear 122 to move towards the corresponding direction, and the second gear 123 is driven by the rack 121 to rotate, so that the integral transmission of the gear-rack transmission assembly 12 is realized. In order to realize the linkage of the rack 121 and the bracket 13, the local part of the driving bracket 131 and the local part of the rack 121 are fixed together by dispensing, and the rack 121 can drive the bracket 13 to move when moving, so that the lifting of the bracket 13 is realized.

In the present embodiment, the driving member 11 is located on the descending direction side of the bracket 13, and the rack 121 is disposed in parallel with the bracket 13, so that the overall length of the camera lifting device can be shortened, and the transverse dimension of the camera lifting device can be reduced by reducing the thicknesses of the first gear 122 and the second gear 123.

Referring to fig. 3 to 5, in this embodiment, the elastic connecting member 133 is a pre-compression spring, and two ends of the elastic connecting member 133 are respectively connected to the driving bracket 131 and the connecting bracket 132 and are disposed along the lifting direction of the bracket 13, so that the elastic connecting member 133 can provide a holding force for fixing the driving bracket 131 and the connecting bracket 132 relatively during the lifting process of the bracket 13, and when the driving bracket 131 moves along the lifting direction under the driving of the rack 121, the driving force can be further transmitted to the connecting bracket 132 through the elastic connecting member 133, thereby driving the camera 19 to lift. Connecting bracket 132 includes support body 1321 and camera location support 1322, camera location support 1322 and camera 19 block are in order to fix camera 19, the one end of elastic connection spare 133 is connected and is connected with connecting bracket 132 through being connected with camera location support 1322, the both sides of support body 1321 are equipped with spacing slot 1323 along the direction of lift of drive support 131, drive support 131 is equipped with stopper 1311, stopper 1311 sets up in spacing slot 1323 slidably, and offset with the lower extreme lateral wall of spacing slot 1323 under elastic connection spare 133's effect, so, when drive support 131 moves along the direction of fall under the drive of rack 121, drive power accessible stopper 1311 further transmits for connecting bracket 132, and then drive camera 19 descends.

With reference to fig. 5, 6 and 7, by using the bracket 13 with the above structure, if the camera 19 is forced to be pushed back by an external force after extending out of the housing 17, the connecting bracket 132 connected to the camera 19 moves downward to compress the elastic connecting member 133, so that the lifting device of the camera 19 is in a buffering state, and since the elastic connecting member 133 can be compressed, the connecting bracket 132 can move downward while the driving bracket 131 remains stationary, thereby preventing the driving member 11 from being damaged by forced reverse rotation under the external force. Meanwhile, when the connecting bracket 132 descends in a buffer state, the stopper 1311 moves toward the upper end side wall of the stopper long hole 1323 in the stopper long hole 1323, and when the stopper 1311 abuts against the upper end side wall of the stopper long hole 1323, the connecting bracket 132 reaches the maximum descending distance. As shown in fig. 7, a limit stopper 171 is provided on the housing 17, and a limit stopper 1312 is provided on the driving bracket 131, so that when the driving bracket 131 ascends under the driving of the driver 11, the limit stopper 1312 moves toward the limit stopper 171 until abutting against it, thereby limiting the ascending distance of the bracket 13.

Referring to fig. 1, fig. 3 and fig. 8, in the present embodiment, the connecting bracket 132 is further provided with a magnet 15, and the magnet 15 is used for cooperating with a magnetic field sensor 16 to generate a magnetic induction signal for representing the position of the connecting bracket 132. In practical implementation, the magnetic field sensor 16 is fixed on the circuit board in the housing 17, when the connecting bracket 132 is raised to the highest position, the magnetic induction signal generated between the magnet 15 and the magnetic field sensor 16 corresponds to the current position of the connecting bracket 132, and before the driving member 11 drives the bracket 131 to descend, if the connecting bracket 132 is forced to be pushed back by external force, the distance between the magnet 15 and the magnetic field sensor 16 is reduced, so that the magnetic induction signal is changed, and further, an electric signal is generated to control the electric motor 111 to reverse, so as to recover the bracket 13 to the lowest position. In addition, during the ascending process of the bracket 13, the ascending process of the bracket 13 can be monitored according to the magnetic induction signal generated between the magnet 15 and the magnetic field sensor 16, and if the change of the magnetic induction signal does not conform to the change rule of the ascending process, an electric signal can be generated to control the driving member 11 to rotate reversely, so that the bracket 13 is recovered to the lowest position. In actual implementation, when the distance between the magnetic induction signal reaction magnet 15 and the magnetic field sensor 16 is reduced to protect the electric motor 111, the electric motor 111 may be directly deenergized to stop the electric motor 111.

When the camera lifting device of this embodiment is in operation, the electric motor 111 rotates forward according to the lifting signal, and then the driving bracket 131 is driven to lift through the rack-and-pinion transmission assembly 12, under the driving of the driving bracket 131, the elastic connection member 133 provides a holding force for relatively fixing the driving bracket 131 and the connection bracket 132, so that the connection bracket 132 moves upward from the lowest position, the camera 19 lifts, the electric motor 111 stops when driving for a set distance, the connection bracket 132 lifts to the highest position, the limit stop rib 1312 abuts against the limit stop 171, and the camera 19 is in the extended state. When the electric motor 111 rotates reversely according to the descending signal, the driving bracket 131 is driven to descend through the rack-and-pinion transmission assembly 12, the driving force is transmitted to the connecting bracket 132 through the limiting block 1311 on the driving bracket 131, and then the camera 19 is driven to descend, the electric motor 111 stops driving for a set distance, the connecting bracket 132 descends to the lowest position, the limiting stop rib 1312 abuts against the limiting stop 171, and the camera 19 is in the retraction state.

As mentioned above, the camera lifting device of this application includes support, driving piece and rack and pinion transmission subassembly, and the support is used for fixed camera, and the driving piece is used for providing the power that the drive support goes up and down, and rack and pinion transmission subassembly connects driving piece and support. This application carries out the transmission through rack and pinion drive assembly, and the diversion transmission of power such as transmission form does not have skewed tooth cooperation, and the transmission is stable, and elevating speed is fast, and lifting efficiency is high. In addition, all the structural parts are simple in form, batch manufacturing and assembly are conveniently achieved, the number of the structures is small, plastic can be selected for partial structural materials, and the cost is lower.

Fig. 9 is a schematic view of the overall structure of the camera lifting device according to another embodiment. Fig. 10 is another overall structural schematic diagram of the camera lifting device in fig. 9. As shown in fig. 9 and 10, the camera lifting device of the present embodiment includes a bracket 23, a driving member 21, and a rack and pinion transmission assembly 22, wherein the bracket 23 is used for fixing the camera 29, the driving member 21 is used for providing power for driving the bracket 231 to lift, and the rack and pinion transmission assembly 22 connects the driving member 21 and the bracket 23.

The driving member 21 is used for providing power for driving the bracket 231 to ascend and descend, in this embodiment, the driving member 21 includes an electric motor 211 and a reduction box 212, the electric motor 211 is, for example, a stepping motor, the reduction box 212 is connected to an output shaft of the electric motor 211, and the electric motor 211 can control the ascending and descending of the bracket 23 through forward and reverse rotation.

The rack-and-pinion assembly 22 includes a rack 221 and a pinion 222, the rack 221 is connected to the bracket 23, the pinion 222 is connected to the driving member 21, and the rack 221 is engaged with the pinion 222.

The bracket 23 includes a driving bracket 231, a connecting bracket 232 and an elastic connecting member 233, the driving bracket 231 is connected to the rack 221, the connecting bracket 232 is used for fixing the camera 29, and the driving bracket 231 abuts against the connecting bracket 232 and is connected thereto through the elastic connecting member 233.

In the present embodiment, the rack 221 is a hard rack made of, for example, medium carbon steel or chrome molybdenum alloy steel. The rack 221 is in a bar shape and is arranged along the lifting direction of the bracket 23, the rack 221 is positioned between the gear 222 and the shell 27, the gear 222 is meshed with the upper side surface of the rack 221, the gear 222 is connected with the reduction gearbox 212, and when the gear 222 rotates under the driving of the driving part 21, the rack 221 moves towards the corresponding direction under the driving of the gear 222, so that the integral transmission of the gear-rack transmission assembly 22 is realized. In order to interlock the rack 221 and the bracket 23, the driving bracket 231 is fixedly connected to the rack 221, and in the present embodiment, the driving bracket 231 is integrally formed with the upper end of the rack 221.

In this embodiment, the elastic connecting members 233 are two and are pre-pressing springs, two ends of the elastic connecting members 233 are respectively connected with the driving bracket 231 and the connecting bracket 232 and are arranged along the lifting direction of the bracket 23, so the elastic connecting members 233 can provide a holding force for fixing the driving bracket 231 and the connecting bracket 232 relatively in the lifting process of the bracket 23, when the driving bracket 231 moves along the lifting direction under the driving of the rack 221, the driving force can be further transmitted to the connecting bracket 232 through the elastic connecting members 233, and then the camera 29 is driven to lift.

Referring to fig. 11 and 12, in the present embodiment, the connecting bracket 232 includes a bracket body 2321, a limiting plate 2322 and a camera positioning bracket 2323, the camera positioning bracket 2323 is clamped with the camera 29 to fix the camera 29, a through hole for limiting the elastic connecting member 233 is defined between two sides of the camera positioning bracket 2323 and the bracket body 2321, and one end of the elastic connecting member 233 passes through the through hole and abuts against the upper side of the bracket body 2321. The support body 2321 is provided with a limiting plate 2322 perpendicular to the lifting direction of the driving support 231 on one side close to the driving support 231, the limiting plate 2322 is connected with the support body 2321 through a limiting buckle 2325, the limiting plate 2322 is provided with a yielding hole for the rack 221 to pass through, the rack 221 passes through the yielding hole and then is connected with the elastic connecting piece 233, the upper end of the rack 221 in the embodiment is the driving support 231, and the driving support 231 abuts against the surface of the limiting plate 2322 on one side, facing the elastic connecting piece 233, under the action of the elastic connecting piece 233. Thus, when the rack 221 moves in the descending direction, the driving force can be further transmitted to the connecting bracket 232 through the limiting plate 2322, and then the camera 29 is driven to descend. Because the elastic connecting pieces 233 are two and are arranged on two sides of the camera 29, the lifting process is more stable, and the space can be saved. In addition, the rack 221 extends into the lower part of the connecting bracket 232 when ascending, the length of the camera lifting device can be reduced, the width of the rack 221 can be increased, and the stability of transmission is improved.

With reference to fig. 13 and 14, with the support 23 having the above structure, if the camera 29 is forced to be pushed back by an external force after extending out of the housing 27, the connecting support 232 connected to the camera 29 moves downward to compress the elastic connecting member 233, so that the camera lifting device is in a buffering state, and since the elastic connecting member 233 can be compressed, the connecting support 232 can move downward while the driving support 231 remains stationary, thereby preventing the electric motor 211 from being damaged by forced reverse rotation under the external force.

As shown in fig. 1, 2 and 13, the camera lifting device of this embodiment further includes a limiting sliding groove 223 and a limiting slider 225, the limiting sliding groove 223 is disposed along the lifting direction of the bracket 23, the limiting slider 225 is connected to the rack 221, in this embodiment, the limiting slider 225 is a rivet, the limiting sliding groove 223 is formed on the housing 27, and the limiting slider 225 is slidably connected to the limiting sliding groove 223, so that the rack 221 is fixed to the housing 27 in the thickness direction of the housing 27 and the movement direction of the rack 221 is limited, the rack 221 is prevented from vertically shaking up and down the housing 27 during movement, and the rack 221 is located below the circuit board 28 in the thickness direction of the housing 27, and can extend into the circuit board 28 during lifting, so that no movement interference occurs, and at the same time, the board layout area of the circuit board 28 can be increased, and the length of the camera lifting device can be reduced.

As shown in fig. 15, the housing 27 is provided with a limit stop 272 and a guide rib 271, the connecting bracket 232 is provided with a limit rib 2326, and the limit rib 2326 is respectively matched with the limit stop 272 and the guide rib 271, so that the movement distance of the connecting bracket 232 can be limited by the limit stop 272, the movement direction of the connecting bracket 232 can be limited by the guide rib 271, and the connecting bracket 232 can not be inclined.

Referring to fig. 9 and fig. 16, in the present embodiment, the connecting bracket 232 is further provided with a magnet 25, and the magnet 25 is used for cooperating with a magnetic field sensor 26 to generate a magnetic induction signal for representing the position of the connecting bracket 232. In practical implementation, the magnetic field sensor 26 is fixed on the circuit board in the housing 27, when the connecting bracket 232 is raised to the highest position, the magnetic induction signal generated between the magnet 25 and the magnetic field sensor 26 corresponds to the current position of the connecting bracket 232, and before the driving member 21 drives the bracket 231 to descend, if the connecting bracket 232 is forced to be pushed back by external force, the distance between the magnet 25 and the magnetic field sensor 26 is reduced, so that the magnetic induction signal is changed, and further, an electric signal is generated to control the electric motor 211 to reverse, so that the bracket 23 is recovered to the lowest position. In addition, during the ascending process of the support 23, the ascending process of the support 23 can be monitored according to the magnetic induction signal generated between the magnet 25 and the magnetic field sensor 26, and if the change of the magnetic induction signal does not conform to the change rule of the ascending process, an electric signal can be generated to control the driving member 21 to rotate reversely, so that the support 23 can be recovered to the lowest position. In actual implementation, when the distance between the magnetic induction signal reaction magnet 25 and the magnetic field sensor 26 is reduced in order to protect the electric motor 211, the electric motor 211 may be directly deenergized to stop the electric motor 211.

When the camera lifting device of this embodiment is in operation, the electric motor 211 rotates forward according to the rising signal, and then the driving bracket 231 is driven to rise through the rack-and-pinion transmission assembly 22, under the driving of the driving bracket 231, the elastic connecting piece 233 provides a holding force for relatively fixing the driving bracket 231 and the connecting bracket 232, so that the connecting bracket 232 moves upward from the lowest position, the camera 29 rises, the electric motor 211 stops when driving for a set distance, the bracket 23 rises to the highest position, the limit stop rib abuts against the limit stop 272, and the camera 29 is in a protruding state. When the electric motor 211 reverses according to the descending signal, the driving bracket 231 is driven to descend through the rack-and-pinion transmission assembly 22, the driving force is transmitted to the connecting bracket 232 through the limiting plate 2322 on the driving bracket 231, the camera 29 is driven to descend, the electric motor 211 stops when driving for a set distance, the bracket 23 descends to the lowest position, and the camera 29 is in a retracting state.

As mentioned above, the camera lifting device of this application includes support, driving piece and rack and pinion transmission subassembly, and the support is used for fixed camera, and the driving piece is used for providing the power that the drive support goes up and down, and rack and pinion transmission subassembly connects driving piece and support. This application carries out the transmission through rack and pinion drive assembly, and the diversion transmission of power such as transmission form does not have skewed tooth cooperation, and the transmission is stable, and elevating speed is fast, and lifting efficiency is high. In addition, all the structural parts are simple in form, batch manufacturing and assembly are conveniently achieved, the number of the structures is small, plastic can be selected for partial structural materials, and the cost is lower.

Referring to fig. 17 to 19, the present application further provides a mobile terminal, which includes a housing 31, a camera 32 and the camera lifting device.

In this embodiment, the housing 31 includes a front case, a touch screen glass 311 is fixed on the front case, and the camera 32 is a front camera. The housing 31 is used for accommodating components of the mobile terminal, and the components include a component fixed in the housing 31 and a component located in the housing 31 in a specific state.

As shown in fig. 17, the camera lifting device is disposed in the housing 31, and the camera 32 is accommodated in a first position in the housing 31, as shown in fig. 18, the camera 32 can also be driven by the camera lifting device to move from the first position to a second position to protrude out of the housing 31. In the second position, the camera head 32 can shoot, and when the camera head 32 is driven by the camera head lifting device to move from the second position to the first position, the camera head 32 is completely accommodated in the shell 31.

In addition, as shown in fig. 19, after the camera 32 is extended out of the housing 31, if the camera is retracted by an external force and is in a buffering state, the driving member of the camera lifting device does not work, and the structure is protected by the elastic connection member in the camera lifting device.

The mobile terminal comprises the shell, the camera lifting device and the camera, wherein the camera lifting device is arranged in the shell, the camera is accommodated in the first position in the shell, and the camera lifting device can be driven to move from the first position to the second position to stretch out of the shell in a protruding mode. This application utilizes camera elevating gear to realize stretching out and retrieving of camera to can realize the design of full face screen, and the lift of camera is efficient.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (10)

1. A camera elevating gear, its characterized in that includes:

the camera comprises a support, a driving support, a connecting support and an elastic connecting piece, wherein the connecting support is used for fixing a camera, and the driving support is abutted against the connecting support and is connected with the connecting support through the elastic connecting piece;

the driving piece is used for providing power for driving the bracket to lift;

and the gear rack transmission assembly is connected with the driving piece and the driving bracket.

2. The camera lifting device of claim 1, wherein the rack and pinion assembly comprises a rack and a pinion, the rack is connected to the bracket, the pinion is connected to the driving member, and the rack is engaged with the pinion.

3. The camera lifting device according to claim 2, wherein the rack is a soft rack, the gears include a first gear and a second gear, the rack is in a closed ring shape, the first gear and the second gear are respectively disposed at two ends of the rack and engaged with an inner side surface of the rack, the first gear is connected to the driving member, and the second gear is rotatably disposed.

4. The camera lifting device according to claim 3, wherein two ends of the elastic connecting member are respectively connected to the driving bracket and the connecting bracket and are disposed along a lifting direction of the bracket, the driving bracket is connected to the rack, two sides of the connecting bracket are provided with limiting long holes along the lifting direction of the driving bracket, the driving bracket is provided with limiting blocks, and the limiting blocks are slidably disposed in the limiting long holes and abut against lower end side walls of the limiting long holes under the action of the elastic connecting member.

5. The camera lifting device according to claim 2, wherein the rack is a hard rack, the rack is a bar, and the gear is engaged with an upper side surface of the rack.

6. The camera lifting device according to claim 5, wherein two ends of the elastic connecting member are respectively connected to the driving bracket and the connecting bracket and are disposed along a lifting direction of the bracket, the driving bracket is connected to the rack, a limiting plate perpendicular to the lifting direction of the driving bracket is disposed on one side of the connecting bracket close to the driving bracket, and the driving bracket abuts against the limiting plate under the action of the elastic connecting member.

7. The camera lifting device according to claim 6, further comprising a limiting sliding groove and a limiting sliding block, wherein the limiting sliding groove is arranged along the lifting direction of the bracket, the limiting sliding block is connected with the rack, the limiting sliding block is slidably connected with the limiting sliding groove, and the driving bracket is integrally formed at the upper end of the rack.

8. The camera lifting device of claim 2, wherein the drive bracket is connected to the rack.

9. A camera lifting device according to claim 4, 6 or 8, wherein the attachment bracket is provided with a magnet for cooperating with a magnetic field sensor to generate a magnetically induced signal indicative of the position of the attachment bracket.

10. A mobile terminal, comprising:

a housing;

the camera lifting device of any one of claims 1 to 9, disposed within the housing;

the camera is accommodated in the first position in the shell and can be driven by the camera lifting device to move from the first position to the second position so as to protrude out of the shell.

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