CN111182186A

CN111182186A - Camera module lifting device and electronic equipment

Info

Publication number: CN111182186A
Application number: CN202010022565.5A
Authority: CN
Inventors: 张锐; 孟跃龙; 王栋; 李鸿; 张建志; 许宁; 田超群
Original assignee: Shenzhen Microphone Holdings Co Ltd
Current assignee: Shenzhen Microphone Holdings Co Ltd; Shenzhen Transsion Holdings Co Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-05-19
Anticipated expiration: 2040-01-09
Also published as: CN114846782B; WO2021139095A1; CN111182186B; CN114846782A

Abstract

The application provides a camera module lifting device which comprises a camera module, a linkage piece, a worm and gear assembly, a driver and an elastic piece, wherein a limiting block is arranged on one side of the camera module; when the driver drives the linkage part to abut against the limiting block, the camera module retracts. The camera module of the camera module lifting device can be freely retracted, the impact force generated by collision is removed by the camera module through the buffering of the elastic piece, and the camera module can be quickly retracted into the shell, so that the direct impact on the camera module is avoided, and the damage to the camera module can be effectively avoided. The invention also relates to an electronic device.

Description

Camera module lifting device and electronic equipment

Technical Field

The application relates to the technical field of communication, concretely relates to camera module elevating gear and electronic equipment.

Background

Along with social economy's rapid development, electronic equipment update speed is increasingly fast, people are increasingly high to electronic equipment's demand, the demand of shooing is exactly one of them, electronic equipment generally contains preceding camera and back camera, the camera designs in the inside of equipment generally, in order to realize the function of preceding camera, need carry out the trompil on electronic equipment's screen, the trompil leads to the regional unable demonstration of display screen trompil, the whole display effect of display screen is poor, influence user's experience, therefore how to improve the whole display effect of screen is an important problem. The conventional design method on the market is to hide the camera head assembly in the shell.

Fig. 1 is a schematic view of a conventional camera module retracted into a housing, and fig. 2 is a schematic view of a conventional camera module extended out of a housing, and as shown in fig. 1 and 2, a conventional camera assembly 40 includes a camera 41, a motor 42, a worm wheel 43, and a worm 44, the motor 42 is fixed in a housing 50 of an electronic device, the motor 42 is connected to the worm 44, the worm wheel 43 is engaged with the worm 44, the worm wheel 43 is an eccentric wheel, and an eccentric portion 431 of the worm wheel 43 abuts against an end of the camera 41. When the forward photographing is used, the motor 42 is started, the motor 42 drives the worm 44 to rotate, the rotating worm wheel 43 of the worm 44 rotates, the eccentric part 431 of the worm wheel 43 pushes the camera 41 to ascend, and the camera 41 can extend out of the shell 50 to photograph; when the photographing is stopped, the motor 42 is rotated reversely to lower the camera 41, and the camera 41 is hidden in the housing 50.

However, because the worm wheel 44 and the worm 43 have a self-locking characteristic, the worm wheel 43 cannot drive the worm 44 to rotate, and when the camera 41 is in an extended state, the device falls, and there is a high possibility that the extended camera 41 directly collides with the ground surface, and because of the self-locking of the worm wheel 43 and the worm 44, the camera 41 cannot retract into the housing 50, and the camera 41 cannot be buffered, so that the impact force generated by the collision cannot be removed, and the damage of the camera 41 can be directly caused.

Disclosure of Invention

An object of this application is to provide a camera module elevating gear, the module of making a video recording can freely retract, and the module of making a video recording unloads the impact force that the collision produced through the buffering of elastic component, and the module of making a video recording is avoided in can retracting the casing fast, avoids the direct impact to the module of making a video recording, can effectively avoid the module of making a video recording to damage.

In order to solve the technical problem, the application provides a camera module lifting device which comprises a camera module, a linkage piece, a worm and gear assembly, a driver and an elastic piece, wherein a limiting block is arranged on one side of the camera module; when the driver drives the linkage part to abut against the limiting block, the camera module retracts.

In an embodiment of the present invention, the camera module lifting device further includes an installation frame, the camera module is slidably disposed on the installation frame, the worm and gear assembly includes a worm gear and a worm, the worm gear is engaged with the worm, the worm is connected with the driver, one end of the linkage member, which is far away from the limiting block, is connected with the worm gear, and the elastic member is connected with the camera module.

In the embodiment of the invention, the limiting block is provided with a first side surface and a second side surface which are opposite, the sliding direction of the camera module is perpendicular to the first side surface and the second side surface, the linkage piece abuts against the first side surface, and the linkage piece prevents the camera module from extending out through the self-locking performance of the worm wheel and the worm.

In an embodiment of the invention, the linkage member is coaxially connected with the turbine, the elastic member is a tension spring, and the elastic member is connected between the limiting block and the linkage member.

In the embodiment of the invention, the limiting block is provided with a magnetic part, and the magnetic part magnetically adsorbs the linkage part.

In an embodiment of the present invention, a driving rack is disposed on one side of the linkage, and the driving rack is engaged with the turbine.

In an embodiment of the present invention, the camera module lifting device further includes an installation seat, the installation seat is disposed at one side of the camera module, the turbine is rotatably disposed on the installation seat, and the driver is fixed on the installation seat.

In an embodiment of the present invention, a first slide rail is disposed on the side of the mounting base close to the camera module, a first slide groove is disposed on the linkage member, the first slide rail is disposed in the first slide groove, and the linkage member is slidably disposed on the mounting base through the first slide groove and the first slide rail in a matching manner.

In an embodiment of the present invention, the camera module lifting device further includes an installation cover, the installation cover is fastened to the installation base, the installation cover is provided with a second slide rail, the second slide rail is parallel to and opposite to the first slide rail, the linkage member is provided with a second slide groove, the second slide groove is parallel to and opposite to the first slide groove, the second slide rail is arranged in the second slide groove, and the linkage member is slidably arranged between the installation base and the installation cover.

In the embodiment of the invention, the side surfaces of the mounting seat and the mounting cover, which are close to the camera module, are provided with movable holes, one side of the linkage piece, which is close to the camera module, is provided with a pressing part, and the pressing part penetrates through the movable holes and abuts against the limiting block.

In the embodiment of the present invention, a third slide rail is disposed on a side surface of the camera module close to the mounting seat, the limiting block is fixed at an end of the third slide rail, a third slide groove is disposed on the pressing portion, and the pressing portion is slidably disposed on the third slide rail through cooperation between the third slide groove and the third slide rail.

In an embodiment of the present invention, the elastic member is a torsion spring, and the elastic member is connected between the camera module and the mounting bracket.

In the embodiment of the invention, a sliding plate is arranged at the bottom of the camera module close to the mounting rack, and the sliding plate and the mounting rack are matched with each other through a sliding groove and a sliding rail to realize slidable connection.

In an embodiment of the present invention, the mounting frame is provided with an accommodating channel, two opposite channel walls of the accommodating channel are provided with fourth sliding grooves, the camera module and the sliding plate are disposed in the accommodating channel, two sides of the sliding plate are provided with fourth sliding rails, and the fourth sliding rails of the sliding plate are disposed in the fourth sliding grooves.

In an embodiment of the invention, fifth slide rails are arranged on two sides of the mounting frame, two sides of the sliding plate are bent to form fifth slide grooves, the fifth slide rails of the mounting frame are arranged in the fifth slide grooves of the sliding plate, and the elastic member is connected between the sliding plate and the mounting frame.

In an embodiment of the present invention, the camera module lifting device further includes a first detecting element, a second detecting element, and a controller, the controller is electrically connected to the first detecting element, the second detecting element, and the driver, respectively, the first detecting element is disposed on one side of the camera module, the first detecting element is configured to detect a position of the camera module when the camera module extends out, the second detecting element is disposed on an end of the camera module or one side of the camera module, the second detecting element is configured to detect a position of the camera module when the camera module retracts, and the controller can control the driver to start or stop according to detection signals of the first detecting element and the second detecting element.

The invention also relates to electronic equipment comprising the camera module lifting device.

According to the camera module lifting device, the linkage piece is pressed on the limiting block, the camera module is prevented from extending out, when the driver drives the linkage piece to move towards the direction far away from the limiting block, the elastic piece drives the camera module to extend out by means of elasticity, when the camera module lifting device or the electronic equipment falls from high altitude to the ground, and the camera module collides with the ground, as the linkage piece and the camera module are not connected, the camera module retracts without being influenced by the linkage piece, namely the camera module can retract freely, the impact force generated by collision is relieved by the camera module through buffering of the elastic piece, the camera module can retract into the shell quickly, the direct impact on the camera module is avoided, and the damage to the camera module can be effectively avoided.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood, the present application may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present application more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a conventional camera module when retracted in a housing.

Fig. 2 is a schematic structural view of a conventional camera module when it is extended out of a housing.

Fig. 3 is a partially cross-sectional schematic view of the electronic apparatus according to the first embodiment of the present invention in a retracted state of the camera module.

Fig. 4 and 5 are partially cross-sectional schematic views of the extended state of the camera module of the electronic apparatus according to the first embodiment of the present invention.

Fig. 6 is a schematic diagram of a disassembled structure of the lifting device for a camera module according to the first embodiment of the present invention.

Fig. 7 is a partially sectional schematic view of the electronic apparatus according to the second embodiment of the present invention in a retracted state of the camera module.

Fig. 8 is a partially sectional schematic view of an extended state of the camera module of the electronic apparatus according to the second embodiment of the present invention.

Fig. 9 is a partially sectional schematic view of an image pickup module collision retracted state of the electronic apparatus according to the second embodiment of the present invention.

Fig. 10 is a schematic diagram of a disassembled structure of the lifting device for camera module according to the second embodiment of the present invention.

Fig. 11 is a schematic view of the mounting bracket and the elastic member of the present invention in a disassembled structure.

Fig. 12 to 14 are schematic views showing the structure of the skateboard of the present invention sliding on the mounting frame.

Detailed Description

The embodiment of the invention provides a camera module lifting device 10 and electronic equipment with the camera module lifting device 10.

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In order to facilitate understanding of those skilled in the art, the present invention provides a specific implementation process of the technical solution provided by the present invention through the following embodiments.

First embodiment

Fig. 3 is a schematic partial cross-sectional view illustrating a retracted state of a camera module of an electronic device according to a first embodiment of the present invention, fig. 4 and 5 are schematic partial cross-sectional views illustrating an extended state of the camera module of the electronic device according to the first embodiment of the present invention, and as shown in fig. 3, 4 and 5, the electronic device includes a camera module lifting device 10 and a housing 30, a through hole (not shown) is provided on a rim of the housing 30, and the camera module lifting device 10 is disposed in the housing 30. In this embodiment, the electronic device includes, but is not limited to, an electronic device such as a mobile phone, a tablet computer, a notebook computer, a palm top computer, a camera, a navigation device, a wearable device, a smart band, a pedometer, and the like.

Further, fig. 6 is a schematic view of a disassembled structure of a camera module lifting device according to a first embodiment of the present invention, please refer to fig. 3 to 6, in which the camera module lifting device 10 includes a camera module 11, a linkage 13, a worm and gear assembly, a driver 16 and an elastic member 17, a limit block 111 is disposed on one side of the camera module 11, one end of the linkage 13 abuts against the limit block 111, the other end of the linkage 13 is connected with the worm and gear assembly, the worm and gear assembly is connected with the driver 16, and when the driver 16 drives the linkage 13 to move in a direction away from the limit block 111, the elastic member 17 drives the camera module 11 to extend by means of elasticity. In the present embodiment, the driver 16 is a motor; when the driver 16 drives the link 13 to press the stopper 111, the camera module 11 retracts.

Further, camera module elevating gear 10 still includes mounting bracket 12, and camera module 11 sets up on mounting bracket 12 slidable, and the turbine worm subassembly includes turbine 14 and worm 15, and the other end and the turbine 14 of linkage 13 are connected, and turbine 14 meshes with worm 15, and worm 15 is connected with driver 16, and elastic component 17 is connected with camera module 11.

Further, the camera module 11 may be a front camera module 11, a rear camera module 11, or a rotary camera module 11. When the module 11 of making a video recording for leading the module 11 of making a video recording, the frame business turn over that the module 11 of making a video recording can follow casing 30 need not to occupy electronic equipment's display area, and electronic equipment's display area can be covered with whole display screen almost. In this embodiment, the Display screen may be a Liquid Crystal Display (LCD) or an Organic Light-Emitting Diode (OLED) Display screen. The camera module lifting device 10 can improve the display screen occupation ratio of the electronic equipment, and effectively solves the contradiction between the improvement of the display screen occupation ratio and the occupation of the display area by the front camera module 11. The camera module lifting device 10 of the invention meets the photographing function, simultaneously realizes the maximization of the display screen ratio and simultaneously ensures the integrity of the display area.

Further, the camera module lifting device 10 further includes a driving power supply (not shown), and the driving power supply may be a driving power supply separately provided for the linear motor, or a battery of the electronic device may be used as a driving power supply for the linear motor, but is not limited thereto.

Furthermore, the limiting block 111 has a first side surface 111a and a second side surface 111b opposite to each other, the sliding direction of the camera module 11 is perpendicular to the first side surface 111a and the second side surface 111b, the linkage 13 abuts against the first side surface 111a, and the linkage 13 prevents the camera module 11 from extending out through the self-locking performance of the worm wheel 14 and the worm 15.

Further, the linkage 13 is coaxially connected with the turbine 14, the elastic member 17 is a tension spring, the elastic member 17 is connected between the limiting block 111 and the linkage 13, and preferably, one end of the elastic member 17 is connected to the middle of the linkage 13. The linkage piece 13 has a first surface, a second surface and an end surface, the end surface is in transition connection with the first surface through an arc surface, the end surface is in transition connection with the second surface through an arc surface, the first surface is a plane, and the second surface is an arc surface. When the camera module 11 is in the retracted state, the elastic member 17 is in the stretched state, at this time, the elastic member 17 is elastically deformed, and the end surface of the linkage member 13 contacts with the limiting block 111, as shown in fig. 3; when the camera module 11 is in the extended state, the elastic member 17 is in the contracted state, and at this time, the elastic member 17 recovers the elastic deformation, and the first surface of the linkage member 13 contacts with the limiting block 111, as shown in fig. 5. In the embodiment, the linkage 13 can rotate synchronously with the worm wheel 14, and when the driver 16 drives the worm wheel 14 and the linkage 13 to rotate clockwise through the worm 15, the elastic member 17 drives the camera module 11 to extend by means of elasticity, for example, the driver 16 drives the camera module 11 to extend out of the housing 30 through the through hole; when the driver 16 drives the worm wheel 14 and the linkage 13 to rotate counterclockwise through the worm 15, the linkage 13 pushes the stopper 111 to retract the camera module 11, for example, the driver 16 drives the camera module 11 to retract into the housing 30 through the through hole. It is worth mentioning that the linkage 13 can be connected to any position of the turbine 14, and can be freely selected according to actual needs.

Furthermore, a magnetic member 112 is disposed on the limiting block 111, and the magnetic member 112 magnetically attracts the linkage 13. In the present embodiment, the link 13 is made of a metal material or a magnetic material.

Further, the camera module lifting device 10 further includes a mounting seat 18, the mounting seat 18 is disposed at one side of the camera module 11, the turbine 14 is rotatably disposed on the mounting seat 18, and the driver 16 is fixed on the mounting seat 18.

Further, the bottom that the camera module 11 is close to the mounting bracket 12 is equipped with the slide board 113, and the slidable connection is realized through spout and slide rail cooperation between slide board 113 and the mounting bracket 12. In this embodiment, the sliding plate 113 may be integrally formed with the camera module 11, or the sliding plate 113 may be connected to the bottom of the camera module 11 by screws and screw holes.

Further, the mounting frame 12 is provided with an accommodating channel 106, two opposite groove walls of the accommodating channel 106 are provided with fourth sliding grooves 104, the camera module 11 and the sliding plate 113 are arranged in the accommodating channel 106, the two sides of the sliding plate 113 are provided with fourth sliding rails 115, and the fourth sliding rails 115 of the sliding plate 113 are arranged in the fourth sliding grooves 104.

Further, the camera module lifting device 10 further includes a first detecting element 21, a second detecting element 22 and a controller (not shown), the controller is electrically connected to the first detecting element 21, the second detecting element 22 and the driver 16, the first detecting element 21 is disposed on one side of the camera module 11, the first detecting element 21 is used for detecting a position of the camera module 11 when the camera module 11 extends out, the second detecting element 22 is disposed on an end of the camera module 11 or one side of the camera module 11, the second detecting element 22 is used for detecting a position of the camera module 11 when the camera module 11 retracts, and the controller can control the driver 16 to start or stop according to detection signals of the first detecting element 21 and the second detecting element 22. In this embodiment, the number of the first detecting elements 21 and the second detecting elements 22 can be freely selected according to actual needs, for example, a plurality of first detecting elements 21 can be disposed on the side of the camera module 11 for detecting different moving positions of the camera module 11.

Further, still be equipped with acceleration sensor (not shown) on the module of making a video recording 11, acceleration sensor and controller electric connection, acceleration sensor are used for detecting the acceleration of the module of making a video recording 11, and when the removal acceleration of the module of making a video recording 11 was greater than the default, controller start drive 16, and drive 16 orders about in the module of making a video recording 11 initiative withdrawal casing 30, can prevent effectively that electronic equipment from falling from the high altitude, the module of making a video recording 11 is direct to collide with ground, causes the module of making a video recording 11 to damage. The position of the acceleration sensor can be freely selected according to actual needs, and the acceleration sensor is also arranged at any position of the camera module 11. In this embodiment, the preset value can be freely selected according to actual needs, for example, 0, 1, 2, 3, 4m/s²However, the present invention is not limited thereto.

The camera module lifting device 10 is pressed on the limiting block 111 through the linkage piece 13 to prevent the camera module 11 from extending, when the driver 16 drives the linkage piece 13 to move towards the direction far away from the limiting block 111, the elastic piece 17 drives the camera module 11 to extend by means of elasticity, when the camera module lifting device 10 or the electronic equipment falls from the high altitude to the ground and the camera module 11 collides with the ground, as the linkage piece 13 and the camera module 11 are not connected, the camera module 11 retracts and is not influenced by the linkage piece 13, namely the camera module 11 can retract freely, the impact force generated by collision is removed by the camera module 11 through the buffering of the elastic piece 17, the camera module 11 can retract into the shell 30 quickly, the direct impact on the camera module 11 is avoided, and the damage of the camera module 11 can be avoided effectively. Moreover, in the process of collision of the camera module lifting device 10, the second detecting element 22 can rapidly detect the position of the camera module 11 when retracting, at this time, the controller controls the driver 16 to start according to the detection signal, and the driver 16 drives the link element 13 to rotate counterclockwise to push the limiting block 111, so that the camera module 11 retracts actively.

Second embodiment

Fig. 7 is a schematic partial cross-sectional view of a retracted state of a camera module of an electronic apparatus according to a second embodiment of the present invention, fig. 8 is a schematic partial cross-sectional view of an extended state of the camera module of the electronic apparatus according to the second embodiment of the present invention, and fig. 9 is a schematic partial cross-sectional view of a collision retracted state of the camera module of the electronic apparatus according to the second embodiment of the present invention, as shown in fig. 7, 8, and 9, the electronic apparatus includes a camera module lifting device 10 and a housing 30, a through hole (not shown) is provided on a frame of the housing 30, and the camera module lifting device 10 is disposed in the housing 30. In this embodiment, the electronic device includes, but is not limited to, an electronic device such as a mobile phone, a tablet computer, a notebook computer, a palm top computer, a camera, a navigation device, a wearable device, a smart band, a pedometer, and the like.

Further, fig. 10 is a schematic view of a disassembled structure of a camera module lifting device according to a second embodiment of the present invention, please refer to fig. 7 to 10, in which the camera module lifting device 10 includes a camera module 11, an installation frame 12, a linkage 13, a worm wheel 14, a worm 15, a driver 16 and an elastic member 17, the camera module 11 is slidably disposed on the installation frame 12, a limit block 111 is disposed on one side of the camera module 11, one end of the linkage 13 abuts against the limit block 111, the other end of the linkage 13 is connected to the worm wheel 14, the worm wheel 14 is engaged with the worm wheel 15, the worm wheel 15 is connected to the driver 16, the elastic member 17 is connected to the camera module 11, and when the driver 16 drives the linkage 13 to move in a direction away from the limit block 111, the elastic member 17 drives the camera module 11 to extend by means. In the present embodiment, the driver 16 is a motor.

Further, a driving rack 131 is provided at one side of the link 13, and the driving rack 131 is engaged with the worm wheel 14.

Further, a first slide rail 181 is arranged on a side edge of the mounting base 18 close to the camera module 11, a first slide groove 101 is arranged on the linkage member 13, the first slide rail 181 is arranged in the first slide groove 101, and the linkage member 13 is slidably arranged on the mounting base 18 through the cooperation of the first slide groove 101 and the first slide rail 181.

Further, the camera module lifting device 10 further includes an installation cover 19, the installation cover 19 is fastened on the installation base 18, a second slide rail (not shown) is arranged on the installation cover 19, the second slide rail is parallel to and opposite to the first slide rail 181, a second slide groove 102 is arranged on the linkage member 13, the second slide groove 102 is parallel to and opposite to the first slide groove 101, the second slide rail is arranged in the second slide groove 102, and the linkage member 13 is slidably arranged between the installation base 18 and the installation cover 19.

Furthermore, the side surfaces of the mounting seat 18 and the mounting cover 19 close to the camera module 11 are provided with a movable hole 107, one side of the linkage 13 close to the camera module 11 is provided with a pressing part 132, and the pressing part 132 penetrates through the movable hole 107 and abuts against the first side surface 111a of the limiting block 111.

Further, a third slide rail 114 is arranged on a side surface of the camera module 11 close to the mounting seat 18, the limiting block 111 is fixed at an end portion of the third slide rail 114, a third slide groove 103 is arranged on the pressing portion 132, and the pressing portion 132 is slidably arranged on the third slide rail 114 through the cooperation of the third slide groove 103 and the third slide rail 114. When the camera module lifting device 10 or the electronic device falls from the high altitude to the ground and the camera module 11 collides with the ground, the camera module 11 is not affected by the linkage 13, and the camera module 11 can freely retract along the length direction of the third slide rail 114.

Further, the elastic member 17 is a torsion spring, and the elastic member 17 is connected between the camera module 11 and the mounting frame 12.

Further, fig. 11 is a schematic view of a disassembled structure of the mounting frame and the elastic member of the present invention, as shown in fig. 11, a sliding plate 113 is disposed at the bottom of the camera module 11 close to the mounting frame 12, and the sliding plate 113 and the mounting frame 12 are slidably connected by matching a sliding groove and a sliding rail. In this embodiment, the sliding plate 113 may be integrally formed with the camera module 11, or the sliding plate 113 may be connected to the bottom of the camera module 11 by screws and screw holes.

Further, fig. 12 to 14 are schematic structural views of the skateboard of the present invention sliding on the mounting frame, as shown in fig. 11, 12, 13 and 14, fifth slide rails 121 are disposed on both sides of the mounting frame 12, both sides of the skateboard 113 are bent to form a fifth slide groove 105, the fifth slide rail 121 of the mounting frame 12 is disposed in the fifth slide groove 105 of the skateboard 113, and the elastic member 17 is connected between the skateboard 113 and the mounting frame 12. When the camera module 11 is in the retracted state, the elastic member 17 is in the twisted state, and at this time, the elastic member 17 is elastically deformed, and the end of the link 13 abuts against the limiting block 111, as shown in fig. 7 and 12; when the camera module 11 is in the extended state, the elastic member 17 is in the contracted state, and the elastic member 17 is elastically deformed again, as shown in fig. 14. In the embodiment, when the driver 16 drives the worm wheel 14 and the linkage 13 to rotate clockwise through the worm 15, the elastic member 17 drives the camera module 11 to extend by means of elasticity, for example, the driver 16 drives the camera module 11 to extend out of the housing 30 through the through hole; when the driver 16 drives the worm wheel 14 and the linkage 13 to rotate counterclockwise through the worm 15, the linkage 13 pushes the stopper 111 to retract the camera module 11, for example, the driver 16 drives the camera module 11 to retract into the housing 30 through the through hole. It is worth mentioning that the mounting frame 12 and the sliding plate 113 may be the same as the first embodiment, and may be freely selected according to actual needs.

The present invention is not limited to the specific details of the above-described embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention. The various features described in the foregoing detailed description may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.

Claims

1. A camera module lifting device is characterized by comprising a camera module, a linkage piece, a worm and gear assembly, a driver and an elastic piece, wherein a limiting block is arranged on one side of the camera module, one end of the linkage piece abuts against the limiting block, the other end of the linkage piece is connected with the worm and gear assembly, the worm and gear assembly is connected with the driver, and when the driver drives the linkage piece to move towards the direction far away from the limiting block, the elastic piece drives the camera module to extend out by means of elasticity; when the driver drives the linkage piece to abut against the limiting block, the camera module retracts.

2. The camera module lifting device according to claim 1, further comprising a mounting bracket, wherein the camera module is slidably disposed on the mounting bracket, the worm and gear assembly comprises a worm and a gear, the worm and gear is engaged with the worm, the worm is connected to the driver, an end of the link member away from the limiting block is connected to the worm and the elastic member is connected to the camera module.

3. The camera module lifting device according to claim 2, wherein the limiting block has a first side surface and a second side surface opposite to each other, the sliding direction of the camera module is perpendicular to the first side surface and the second side surface, the link member abuts against the first side surface, and the link member prevents the camera module from extending out through the self-locking performance of the worm wheel and the worm.

4. The camera module lifting device according to claim 2, wherein the linkage member is coaxially connected with the turbine, the elastic member is a tension spring, and the elastic member is connected between the limiting block and the linkage member.

5. The camera module lifting device according to claim 4, wherein a magnetic member is disposed on the limiting block, and the magnetic member magnetically attracts the linkage member.

6. The camera module lifting device of claim 2, wherein a driving rack is provided on one side of the linkage member, and the driving rack is engaged with the worm wheel.

7. The camera module lifting device of claim 6, further comprising a mounting base disposed on a side of the camera module, wherein the turbine is rotatably disposed on the mounting base, and wherein the driver is fixed to the mounting base.

8. The camera module lifting device according to claim 7, wherein a first slide rail is disposed on the mounting base near a side of the camera module, a first slide groove is disposed on the linkage member, the first slide rail is disposed in the first slide groove, and the linkage member is slidably disposed on the mounting base through the first slide groove and the first slide rail.

9. The camera module lifting device according to claim 8, further comprising a mounting cover, wherein the mounting cover is fastened to the mounting base, the mounting cover is provided with a second slide rail, the second slide rail is parallel to and opposite to the first slide rail, the linkage member is provided with a second slide groove, the second slide groove is parallel to and opposite to the first slide groove, the second slide rail is disposed in the second slide groove, and the linkage member is slidably disposed between the mounting base and the mounting cover.

10. The camera module lifting device according to claim 9, wherein the side surfaces of the mounting base and the mounting cover adjacent to the camera module are provided with movable holes, and one side of the linkage member adjacent to the camera module is provided with a pressing portion, and the pressing portion penetrates through the movable holes and abuts against the limiting block.

11. The camera module lifting device according to claim 10, wherein a third slide rail is disposed on a side surface of the camera module close to the mounting base, the limiting block is fixed to an end portion of the third slide rail, a third slide groove is disposed on the pressing portion, and the pressing portion is slidably disposed on the third slide rail by being matched with the third slide rail through the third slide groove.

12. The camera module lifting device of claim 6, wherein the elastic member is a torsion spring, and the elastic member is connected between the camera module and the mounting bracket.

13. The camera module lifting device of claim 12, wherein the camera module is provided with a sliding plate near the bottom of the mounting frame, and the sliding plate and the mounting frame are slidably connected through a sliding groove and a sliding rail.

14. The camera module lifting device according to claim 13, wherein the mounting frame is provided with a receiving channel, two opposite walls of the receiving channel are provided with fourth sliding grooves, the camera module and the sliding plate are disposed in the receiving channel, two sides of the sliding plate are provided with fourth sliding rails, and the fourth sliding rails of the sliding plate are disposed in the fourth sliding grooves.

15. The camera module lifting device of claim 13, wherein the mounting frame is provided with fifth sliding rails on two sides thereof, the sliding plate is bent on two sides thereof to form a fifth sliding groove, the fifth sliding rails of the mounting frame are disposed in the fifth sliding groove of the sliding plate, and the elastic member is connected between the sliding plate and the mounting frame.

16. The camera module lifting device of claim 1, further comprising a first detecting element, a second detecting element and a controller, wherein the controller is electrically connected to the first detecting element, the second detecting element and the driver respectively, the first detecting element is disposed at one side of the camera module, the first detecting element is used for detecting the position of the camera module when the camera module extends out, the second detecting element is disposed at an end of the camera module or at one side of the camera module, the second detecting element is used for detecting the position of the camera module when the camera module retracts, and the controller can control the driver to start or stop according to the detection signals of the first detecting element and the second detecting element.

17. An electronic device, comprising the camera module lifting device according to any one of claims 1 to 16.