CN212572681U

CN212572681U - Camera assembly and mobile terminal

Info

Publication number: CN212572681U
Application number: CN202020760232.8U
Authority: CN
Inventors: 周帅宇; 刘柯佳; 吴龙兴; 王尧
Original assignee: Chengrui Optics Changzhou Co Ltd
Current assignee: Chengrui Optics Changzhou Co Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-02-19
Anticipated expiration: 2030-05-09
Also published as: WO2021227118A1

Abstract

The utility model provides a camera component, which comprises a bracket, a camera module, a driving component, a transmission component, a first magnet unit and a second magnet unit, wherein the camera module is arranged opposite to the bracket at intervals and is rotationally connected with the bracket through a rotating shaft; the transmission assembly is connected with the driving assembly and converts power provided by the driving assembly to drive the support to move along the first direction and/or drive the camera module to rotate relative to the support; the first magnet unit is fixed on one side, close to the camera module, of the bracket body; the second magnet unit is fixed on one side, close to the support body, of the camera module, and the second magnet unit and the first magnet unit are arranged just opposite and opposite in polarity. Compared with the prior art, the utility model discloses a camera subassembly and mobile terminal control accuracy are high, stability is good, simple structure.

Description

Camera assembly and mobile terminal

[ technical field ] A method for producing a semiconductor device

The utility model relates to a mechanical transmission structure field especially relates to an apply to camera subassembly and mobile terminal of portable electronic product.

[ background of the invention ]

With the development of the mobile internet era, the number of intelligent mobile terminals is increasing, and among many mobile terminals, a mobile phone is undoubtedly the most common and portable mobile terminal. At present, mobile terminals such as mobile phones have a wide variety of functions, one of which is a camera function. Therefore, camera assemblies for photographing and video recording are widely used in existing intelligent mobile terminals. With the development of the electronic product terminal product with a full-screen, in order to solve the problem of the use of the camera assembly, a pop-up camera scheme is applied in the related art, and the camera is extended out of or retracted into the electronic terminal through the design of a driving assembly.

However, the related art camera assembly mainly focuses on extending the camera, such as extending the front camera or extending the front camera and the rear camera simultaneously, and has a single function; in addition, the camera assembly part of the related art has a horizontal rotation function, but different driving motors are required to be arranged to control the camera to lift and rotate, the structure is complex, and when the camera stretches and falls or rotates, due to mechanical transmission loss, the accuracy of the initial position of the camera changes after the camera stretches and falls or rotates for multiple times, so that the control accuracy and stability during reuse are reduced.

Therefore, there is a need to provide a new camera assembly and a mobile terminal to solve the above technical problems.

[ Utility model ] content

An object of the utility model is to provide a control accuracy is high, stability is good, simple structure camera subassembly and mobile terminal.

In order to achieve the above object, the present invention provides a camera assembly, which includes:

the bracket comprises a bracket body and a rotating shaft which is fixed on the bracket body and forms rotary connection, and the axis of the rotating shaft is arranged along a first direction;

the camera module is arranged opposite to the bracket body at intervals, is fixed at one end of the rotating shaft, which is far away from the bracket body, and is in rotating connection with the bracket body through the rotating shaft;

a drive assembly for providing power;

the transmission assembly is connected between the driving assembly and the support and is driven by the driving assembly to drive the support to move along the first direction and/or drive the rotating shaft to drive the camera module to rotate relative to the support;

the first magnet unit is fixed on one side, close to the camera module, of the bracket body; and the number of the first and second groups,

the second magnet unit is fixed on one side, close to the support body, of the camera module, and the second magnet unit and the first magnet unit are arranged just opposite and opposite in polarity.

Preferably, the first magnet unit comprises at least two first magnets, and the two first magnets are spaced from each other and are symmetrically arranged about the rotating shaft; the second magnet unit comprises at least two second magnets, and the second magnets are arranged opposite to the first magnets one by one.

Preferably, the transmission assembly comprises a transmission block, a first transmission rod, a spring and a second transmission rod; the transmission block is connected with the driving component; the first transmission rod extends along the first direction, the bracket body is fixed at one end of the first transmission rod, which is far away from the driving assembly, and the transmission block is sleeved on the first transmission rod and forms sliding connection; the spring is sleeved on the first transmission rod and clamped between the bracket body and the transmission block; the second transmission rod extends along the first direction and is positioned between the bracket body and the transmission block, one end of the second transmission rod extends into the bracket body and forms rotary connection, the other end of the second transmission rod extends to form a screw rod, and the transmission block is sleeved on the screw rod and is provided with a screw hole which forms threaded transmission connection with the screw rod; the driving assembly drives the transmission block to move along the first direction, and the transmission block acts on the spring and drives the support to move along the first direction.

Preferably, the inside of the bracket body is of a hollow structure, the transmission assembly further comprises a master gear and a slave gear which are accommodated in the bracket body and are meshed with each other, and the master gear is fixed on the second transmission rod and is coaxially arranged with the second transmission rod; the driven gear is fixed on the rotating shaft; the transmission block is in threaded transmission connection with the screw rod through the screw hole, the second transmission rod drives the main gear to rotate, the slave gear and the main gear rotate synchronously, and the camera module and the rotating shaft rotate synchronously.

Preferably, the drive assembly comprises a motor and a drive screw rod which is connected with the output end of the motor and is coaxially arranged, the drive block is sleeved on the drive screw rod and forms threaded transmission connection, and the axial direction of the motor is arranged along the first direction.

Preferably, the driving assembly further comprises a speed reducer connected with the output end of the motor and coaxially arranged, and the driving screw is connected with the output end of the speed reducer and coaxially arranged.

Preferably, the driving assembly further comprises a fixing support, the fixing support comprises a connecting plate and a fixing plate, the connecting plate is respectively fixed at two opposite ends of the driving screw, the fixing plate is connected with the connecting plate and is arranged at intervals with the driving screw, and the fixing support and the driving block are arranged at intervals.

Preferably, the driving assembly further comprises a guide rod spaced from and parallel to the driving screw, the two ends of the guide rod are respectively fixed to the connecting plate, and the transmission block is connected to the guide rod and forms sliding connection.

Preferably, the driving assembly comprises an air cylinder arranged along the first direction, and the transmission block is fixedly connected with an output end of the air cylinder.

The utility model also provides a mobile terminal, its including have accommodating space the shell with install in accommodating space if the utility model provides an above-mentioned camera subassembly, the shell is equipped with the through-hole that runs through on it, camera module is just right the through-hole sets up, drive assembly passes through drive assembly will camera module warp the through-hole is released outside the accommodating space or withdrawal in the accommodating space.

Compared with the prior art, the camera module and the mobile terminal provided by the utility model are arranged at intervals and rotatably connected with the support through the rotating shaft, the axis of the rotating shaft is arranged along the first direction, and the power provided by the driving component is converted through the transmission component to drive the support to move along the first direction and/or drive the camera module to rotate relative to the support; by arranging the first magnet unit at one side of the support close to the camera module, arranging the second magnet unit at one side of the camera module close to the support body, wherein the second magnet unit is arranged opposite to the first magnet unit in a right-facing manner and has opposite polarity, when the camera module returns to the initial position, the return position of the camera module at each time can be accurate through the magnetic attraction between the first magnet unit and the second magnet unit, the problem of low return accuracy of the initial position caused by mechanical transmission loss is effectively corrected, and the control accuracy of the camera assembly and the mobile terminal is high; and first magnet unit and second magnet unit interact need not connect the electricity and not receive mechanical loss influence, realizes above-mentioned function through the physical action, and stability is good, simple structure. In addition, the lifting and rotating functions of the camera module can be realized through one driving assembly, and the structure is simple.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic perspective view of the camera module of the present invention;

fig. 2 is an exploded schematic view of a part of the three-dimensional structure of the camera assembly of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 1;

fig. 4 is a schematic structural diagram of another embodiment of the camera assembly of the present invention;

fig. 5 is a schematic view of the mobile terminal of the present invention with part of the housing omitted;

fig. 6 is a schematic view of a part of the structure of the camera module in the raised state of the mobile terminal of the present invention;

fig. 7 is a schematic view of a partial structure of a camera module in a rotating state of the mobile terminal of the present invention;

fig. 8 is a schematic view of a part of the structure of the camera module of the mobile terminal of the present invention, which is rotated 180 degrees to be in a rear-view shooting state;

fig. 9 is a schematic view of a partial structure of the camera module of the mobile terminal of the present invention in a state of rotating 360 degrees.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a camera assembly 100, which includes: support 1, camera module 2, drive assembly 3, transmission assembly 4, first magnet unit 5 and second magnet unit 6. In this embodiment, for convenience of explanation, the first direction is defined as the X-axis direction in the drawing.

The bracket 1 comprises a bracket body 11 and a rotating shaft 12 which is fixed on the bracket body 11 and forms a rotating connection, for example, the rotating shaft 12 is fixed on the bracket body 11 through a bearing and forms a rotating connection. The axis of the rotating shaft 12 extends in a first direction (X-axis direction). In this embodiment, the inside of the holder body 11 is a hollow structure.

Camera module 2 with 11 intervals of support set up relatively, camera module 11 is fixed in pivot 12 is kept away from the one end of support body 11, and through pivot 12 with support body 11 forms and rotates the connection, promptly camera module 2 can for support body 11 rotates.

The driving assembly 3 is used for providing power. In this embodiment, specifically, the driving assembly 3 includes a motor 31 and a driving screw 32 connected to an output end of the motor 31 and coaxially disposed. The axial direction of the motor 31 and the axial direction of the driving screw 32 are both arranged along the X-axis direction.

Preferably, the driving assembly 3 further includes a speed reducer 33 connected to the output end of the motor 31 and coaxially disposed, and the driving screw 32 is connected to the output end of the speed reducer 33 and coaxially disposed. The speed reducer 33 is used for converting partial rotating speed of the motor 31 into torque, so that stability and reliability of driving force of the driving assembly 3 are improved, and quick real-time tracking can be realized.

In this embodiment, the driving assembly 3 further includes a fixing bracket 34, and the fixing bracket 34 includes a connecting plate 341 fixed to two opposite ends of the driving screw 32, and a fixing plate 342 connected to the connecting plate 341 and spaced from the driving screw 42. In this embodiment, the connection plate 341 includes two connection plates and is spaced at two ends of the fixing plate 342 along the first direction, so that the structural stability is higher. The fixing plate 342 is used for fixing the driving assembly 3 at a position to be installed.

Preferably, in order to improve the stability of the transmission assembly 4 when moving linearly along the driving assembly 3, the driving assembly 3 further includes a guide rod 35 spaced from and parallel to the driving screw 32, and two ends of the guide rod 35 are respectively fixed to the two connecting plates 341.

Drive assembly 4 with drive assembly 3 is connected, and is concrete, drive assembly 4 is connected drive assembly 3 with between the support 1, drive assembly 4 by drive assembly 3 drives and drives support 1 is followed first direction (X axial) removes and/or drives pivot 12 and drive camera module 2 is relative support 1 rotates to the realization camera module 2's horizontal rotation, for example rotatory 90 degrees, 180 degrees etc. 360 degrees.

Specifically, the transmission assembly 4 includes a transmission block 41, a first transmission rod 42, a spring 43, a second transmission rod 44, a master gear 45 and a slave gear 46.

The driving block 41 is sleeved on the first driving rod 42 and forms a sliding connection.

The transmission block 41 is connected to the driving assembly 3, specifically, the transmission block 41 is sleeved on the driving screw 32 and forms a thread transmission connection, and the motor 31 is axially extended along the first direction.

It is also possible that the transmission block 41 and the fixed bracket 34 are spaced apart from each other, including forming a sliding connection with each other.

In the present embodiment, the driving block 41 is connected to the guide bar 35 to form a sliding connection. The guide rod 35 provides support and guide for the movement of the transmission block 41, and further improves the stability and reliability of transmission.

The first transmission rod 42 extends along the first direction (X axis), and the bracket body 11 is fixed at one end of the first transmission rod 42 far away from the driving assembly.

The spring 43 is sleeved on the first transmission rod 42 and clamped between the bracket body 11 and the transmission block 41, and preferably, two ends of the spring 43 are respectively fixed on the bracket body 11 and the transmission block 41.

The second transmission rod 44 extends in the first direction (X-axis direction) and is located between the holder body 11 and the transmission block 41. One end of the second transmission rod 44 extends into the bracket body 11 and forms a rotary connection, the other end of the second transmission rod 44 extends to form a screw rod 441, and the transmission block 41 is sleeved on the screw rod 441 and is provided with a screw hole 411 which forms a threaded transmission connection with the screw rod 441. The driving assembly 3 drives the transmission block 41 to move along the first direction, and the transmission block 41 acts on the spring 43 and drives the bracket 1 to move along the first direction. Specifically, the inside of the bracket body 11 is a hollow structure, the main gear 45 is accommodated inside the bracket body 11, and the main gear 45 is fixed to the second transmission rod 44 and is coaxially arranged with the second transmission rod 44.

The slave gear 46 is accommodated in the holder body 11 and fixed to the rotating shaft 12, and the slave gear 46 is engaged with the master gear 45.

Through the structural arrangement of the transmission assembly 4, the motor 31 of the driving assembly 3 drives the driving screw 32 to rotate, so that the transmission block 41 rotates relative to the driving screw 32 and moves along the first direction, and the bracket 1 is pushed to move along the first direction by the elastic force of the spring 43, when the transmission block 41 moves to a preset position, the bracket body 11 is limited and does not move any longer, the transmission block 41 is in contact with the screw rod 441 of the second transmission rod 44, and the transmission block 41 is in threaded transmission connection with the screw rod 441 through the screw hole 411, so that the lifting function of the camera module 2 is realized; the transmission block 41 continues to move by compressing the spring 43 so that the lead screw 441 rotates relative to the transmission block 41, and thus the main gear 45 is driven to rotate by the second transmission rod 44, and the slave gear 46 rotates synchronously with the main gear 45, so that the camera module 2 rotates synchronously with the rotating shaft 12. To this end, the driving assembly 3 performs a horizontal rotation function of the camera module 2.

The utility model discloses a camera subassembly 100 realizes the lift and the rotation function of camera module 2 promptly through a drive assembly 3, simple structure, and effectively reduced manufacturing cost. In the present embodiment, the motor 31 is preferably a stepping motor, and is easy to control and high in accuracy.

Of course, the driving assembly 3 is not limited to the above-mentioned structural combination of the motor 31 and the driving screw 32, and may also be a cylinder structure, specifically, as shown in fig. 4, the driving assembly 3 'includes a cylinder 31' disposed along the first direction (X-axis direction), the driving block 41 'is fixedly connected to the output end of the cylinder 31', and the driving block 41 'is pushed by the cylinder 31' to move along the first direction. Namely, the driving assembly 3 ' is only the air cylinder 31 ', and directly pushes the transmission block 41 ' to move, and other structures are omitted. Except for this point, the other structures of the driving assembly 3 are the same as those of the embodiment shown in fig. 1-3 and the connection relationship is not described herein again.

The first magnet unit 5 is fixed on one side of the bracket body 11 close to the camera module 2.

The second magnet unit 6 is fixed on one side, close to the support body 11, of the camera module 2, and the second magnet unit 6 is opposite to the first magnet unit 5 in polarity.

First magnet unit 5 with setting up of second magnet unit 6 makes when camera module 100 return to initial position, the magnetic attraction between first magnet unit 5 of accessible and the second magnet unit 6 for camera module 2 return position at every turn is accurate, has effectively revised because of the not high problem of mechanical transmission loss caused initial position return precision, thereby makes camera module 100's control accuracy high. In addition, because of first magnet unit 5 and second magnet unit 6 interact need not connect the electricity and not receive mechanical loss influence, realize above-mentioned function through the physical action, stability is good, simple structure.

Specifically, in the present embodiment, the first magnet unit 5 includes at least two first magnets 51, and the two first magnets 51 are spaced from each other and are symmetrically disposed about the rotating shaft 12; the second magnet unit 6 includes at least two second magnets 61, and the second magnets 61 are arranged opposite to the first magnets 51 one by one. Above-mentioned structure has increased the intensity of first magnet unit 5 and the 6 magnetism of second magnet unit on the one hand, increases the reliability, and on the other hand has effectively improved the equilibrium stability through the symmetry setting to the effectual precision that has improved camera module 2 return to initial position makes the utility model discloses a camera assembly 100 control accuracy is high.

Preferably, the two first magnets 51 are arranged at intervals along the length direction of the bracket 1, and the two second magnets 61 are arranged opposite to the two first magnets 51 one by one. This structure setting has further improved the reliability of

first magnet unit

5 and 6 magnetic attraction forces of second magnet unit, has further increased the control accuracy when camera module 2 return to initial condition.

Referring to fig. 5, the present invention further provides a mobile terminal 200, which includes a housing 201 having an accommodating space 10 and the camera assembly 100 installed in the accommodating space 201.

The shell 201 is provided with a through hole 202 penetrating through the shell, the camera module 2 is arranged right opposite to the through hole 202, and the driving component 3 pushes the camera module 2 out of the accommodating space 10 or retracts into the accommodating space 10 through the through hole 202 through the transmission component 4.

As shown in fig. 6, the camera module 2 of the mobile terminal 200 is driven in the X-axis direction to a state of being pushed out of the accommodating space 10; as shown in fig. 7, a state when the camera module 2 of the mobile terminal 200 is rotated by an angle; as shown in fig. 8, the camera module 2 of the mobile terminal 200 rotates 180 degrees to be in a rear-view camera state; as shown in fig. 9, the camera module 2 of the mobile terminal 200 is rotated by 360 degrees.

The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. A camera head assembly, characterized in that the camera head assembly comprises:

a drive assembly for providing power;

2. The camera head assembly of claim 1, wherein said first magnet unit includes at least two first magnets spaced from each other and symmetrically disposed about said axis of rotation; the second magnet unit comprises at least two second magnets, and the second magnets are arranged opposite to the first magnets one by one.

3. The camera assembly of claim 1, wherein the drive assembly includes a drive block, a first drive rod, a spring, and a second drive rod; the transmission block is connected with the driving component; the first transmission rod extends along the first direction, the bracket body is fixed at one end of the first transmission rod, which is far away from the driving assembly, and the transmission block is sleeved on the first transmission rod and forms sliding connection; the spring is sleeved on the first transmission rod and clamped between the bracket body and the transmission block; the second transmission rod extends along the first direction and is positioned between the bracket body and the transmission block, one end of the second transmission rod extends into the bracket body and forms rotary connection, the other end of the second transmission rod extends to form a screw rod, and the transmission block is sleeved on the screw rod and is provided with a screw hole which forms threaded transmission connection with the screw rod; the driving assembly drives the transmission block to move along the first direction, and the transmission block acts on the spring and drives the support to move along the first direction.

4. The camera assembly according to claim 3, wherein the holder body has a hollow interior, the transmission assembly further comprises a master gear and a slave gear received in the holder body and engaged with each other, the master gear is fixed to the second transmission rod and is coaxially disposed with the second transmission rod; the driven gear is fixed on the rotating shaft; the transmission block is in threaded transmission connection with the screw rod through the screw hole, the second transmission rod drives the main gear to rotate, the slave gear and the main gear rotate synchronously, and the camera module and the rotating shaft rotate synchronously.

5. The camera assembly according to claim 4, wherein the driving assembly includes a motor and a driving screw rod coaxially connected to an output end of the motor, the driving block is sleeved on the driving screw rod and forms a threaded driving connection, and an axial direction of the motor is arranged along the first direction.

6. The camera assembly of claim 5, wherein the drive assembly further comprises a speed reducer connected to and coaxially disposed with the output of the motor, and the drive screw is connected to and coaxially disposed with the output of the speed reducer.

7. The camera assembly of claim 5, wherein the driving assembly further comprises a fixing bracket, the fixing bracket comprises a connecting plate fixed to opposite ends of the driving screw, and a fixing plate connected to the connecting plate and spaced from the driving screw, and the fixing bracket and the driving block are spaced from each other.

8. The camera assembly of claim 7, wherein the driving assembly further comprises a guide rod spaced from and parallel to the driving screw, the connecting plate is fixed to both ends of the guide rod, and the driving block is connected to the guide rod and forms a sliding connection.

9. The camera assembly of claim 4, wherein the driving assembly includes a cylinder disposed along the first direction, and the driving block is fixedly connected to an output end of the cylinder.

10. A mobile terminal, characterized in that it comprises a housing having a receiving space and a camera module according to any one of claims 1 to 9 mounted in the receiving space, the housing is provided with a through hole penetrating through the housing, the camera module is disposed opposite to the through hole, and the driving module pushes the camera module out of the receiving space or retracts into the receiving space through the through hole by the transmission module.