CN109163175B

CN109163175B - Telescopic camera device

Info

Publication number: CN109163175B
Application number: CN201810731825.9A
Authority: CN
Inventors: 谢荣富
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2018-07-05
Filing date: 2018-07-05
Publication date: 2020-02-18
Anticipated expiration: 2038-07-05
Also published as: CN109163175A

Abstract

The invention discloses a telescopic camera device, which comprises a fixed support, a telescopic transmission mechanism and a movable support, wherein a camera module and a driving motor are assembled on the movable support; the input end of the telescopic transmission mechanism is connected with the output end of the driving motor, and the output end of the telescopic transmission mechanism is connected with the fixed support. The telescopic camera device is simple in structure and easy to assemble, and the size of the whole device can be greatly reduced.

Description

Telescopic camera device

Technical Field

The invention relates to the field of camera shooting, in particular to a telescopic camera device.

Background

With the development of full-screen mobile phones, the retractable front-facing camera becomes a solution selected by more and more mobile phone manufacturers. The telescopic mode of the telescopic camera is various and mainly takes the telescopic mode of the motor and the transmission assembly as the main mode.

A fully automatic telescopic rotatable camera is disclosed in a patent publication CN 103533222A. The full-automatic telescopic rotatable camera comprises a connecting assembly, a transmission mechanism and a power motor which are connected in sequence, wherein the transmission mechanism is connected to the camera, the transmission mechanism is used for converting positive and negative rotation motion of the power motor into telescopic linear motion to realize the telescopic of the camera, but the power motor in the scheme is a fixing piece, namely, when the camera is telescopic, the position of the power motor in a mobile phone is fixed and unchanged, so that the volume of an accommodating space of the power motor is relatively larger, when the camera is used, the power motor is required to be connected with a sliding chute of the accommodating space through a sliding block on the connecting assembly to limit the telescopic direction, the connecting assembly also occupies larger volume, and finally the whole volume of the full-automatic telescopic rotatable camera is larger, and the camera and the power motor are required to be respectively connected with an external power supply through different FPCs, the material cost is also high and the assembly process is also complicated.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a telescopic camera device which is simple in structure and easy to assemble and can greatly reduce the volume of the whole device.

The technical problem to be solved by the invention is realized by the following technical scheme:

a telescopic camera device comprises a fixed support, a telescopic transmission mechanism and a movable support, wherein a camera module and a driving motor are assembled on the movable support; the input end of the telescopic transmission mechanism is connected with the output end of the driving motor, and the output end of the telescopic transmission mechanism is connected with the fixed support.

Further, the movable support comprises a first support used for assembling the driving motor and a second support used for assembling the camera module and the first support.

Further, the fitting groove of the first bracket is opened from a face facing the second bracket, and the fitting groove of the second bracket is opened from a face facing the first bracket; the driving motor is hermetically fixed with the assembly groove of the first support through sealant, and the first support is hermetically fixed with the assembly groove of the second support through sealant; the camera module is characterized in that a transparent cover plate which is sealed and fixed with an assembly groove opening of the movable support through sealant is arranged in front of a lens of the camera module, and the transparent cover plate is sealed and fixed with one surface of the first support, which faces away from the second support, through the sealant in a partial region corresponding to the first support.

Furthermore, the driving motor and the camera module share the same FPC to be electrically connected to an external power supply.

Furthermore, the FPC extends out of the telescopic camera device from the wiring groove on the fixing support and then is sealed and fixed with the wiring groove through sealant.

Furthermore, the telescopic transmission mechanism comprises a rotating shaft with an external thread on the outer surface and a connecting block provided with a through hole, and the inner surface of the through hole is provided with an internal thread matched with the external thread; one end of the rotating shaft is connected to the output end of the driving motor, and the other end of the rotating shaft is connected into the pipe through hole of the connecting block; the connecting block is connected with the fixed support.

Furthermore, the movable support and the fixed support are connected through a guide rail mechanism.

Furthermore, the guide rail mechanism comprises a plurality of guide rail rods extending from the closed bottom surface of the fixed support to the movable support, and a plurality of guide rail grooves formed in one end of the movable support facing the fixed support, wherein the guide rail rods are inserted into the corresponding guide rail grooves to form guide rail connection.

Furthermore, the telescopic transmission mechanism is connected with the fixed support through an elastic buffer mechanism, and the telescopic transmission mechanism is movably connected with the fixed support.

Furthermore, the elastic buffer mechanism comprises a plurality of springs, one end of each spring is connected to the telescopic transmission mechanism, and the other end of each spring is connected to the fixed support.

The invention has the following beneficial effects: this scalable camera device will driving motor is as the moving part, with camera module assembles together on the movable support, can make full use of originally solid inner space in the movable support holds driving motor, can not increase too much the volume of movable support, but need not be in for in the fixed bolster driving motor reserves the accommodation space, can greatly reduce the volume of fixed bolster is favorable to dwindling the volume of whole device.

Drawings

Fig. 1 is an internal sectional view of a retractable camera provided in the present invention;

fig. 2 is an internal perspective view of a retractable camera provided in the present invention;

fig. 3 is an exploded view of a movable stand of the retractable camera provided by the present invention;

fig. 4 is an exploded view of a fixing bracket of the retractable camera provided by the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 and 2, a retractable camera device comprises a fixed support 2, a retractable transmission mechanism 5 and a movable support 1, wherein a camera module 3 and a driving motor 4 are assembled on the movable support 1; the input end of the telescopic transmission mechanism 5 is connected with the output end of the driving motor 4, and the output end of the telescopic transmission mechanism is connected with the fixed support 2.

This scalable camera device will driving motor 4 is as the moving part, with camera module 3 assembles together on the movable support 1, can make full use of originally solid inner space holds in the movable support 1 driving motor 4 can not increase too much the volume of movable support 1, but need not be in fixed bolster 2 for driving motor 4 reserves the accommodation space, can greatly reduce the volume of fixed bolster 2 is favorable to dwindling the volume of whole device.

As shown in fig. 3, the movable bracket 1 includes a first bracket 11 for mounting the driving motor 4, and a second bracket 12 for mounting the camera module 3 and the first bracket 11.

The movable support 1 adopts a split structure, and during assembly, the driving motor 4 is assembled on the first support 11, and then the camera module 3 and the first support 11 are assembled together on the second support 12, so that the driving motor 4 can be conveniently assembled after being used as a moving part.

In addition, the dust and water ingress into the water is always a significant problem which hinders the application of the retractable camera device, and therefore, in order to improve the waterproof and dustproof performance of the retractable camera device, the assembly groove of the first bracket 11 is opened from one side facing the second bracket 12, and the assembly groove of the second bracket 12 is opened from one side facing the first bracket 11. During assembly, the driving motor 4 is sealed and fixed with the assembly groove of the first support 11 through sealant, then the first support 11 is sealed and fixed with the assembly groove of the second support 12 through sealant, and the sealant is filled in gaps between the driving motor 4 and the first support 11 and between the first support 11 and the second support 12.

Be provided with the assembly in front of the camera lens of camera module 3 transparent cover plate 7 on the movable support 1, transparent cover plate 7's edge through sealed glue with the assembly groove opening of second support 12 seals fixedly, its partial region that corresponds to first support 11 also through sealed glue with first support 11 dorsad the one side of second support 12 seals fixedly, sealed glue fill up transparent cover plate 7 respectively with in the gap between first support 11 and the second support 12.

After the sealing glue is sealed and fixed, the whole movable part of the telescopic camera device is exposed out of the movable support 1 except the output end of the driving motor 4, and other electronic parts are completely isolated from the outside, so that the telescopic camera device has good waterproof and dustproof performances.

As shown in fig. 4, an accommodating space with an open end and a closed end is formed in the fixed bracket 2, and the movable bracket 1 is disposed in the accommodating space of the fixed bracket 2. Specifically, the fixing bracket 2 includes a cylindrical side wall 21 with openings at both ends and a closed bottom surface 22 fixed to the cylindrical side wall 21 with an opening at one end by screws. The sealed bottom surface 22 is fixed on the cylindrical side wall 21 through screws, and is sealed and fixed with the cylindrical side wall 21 through sealant, and the sealant fills a gap between the cylindrical side wall 21 and the sealed bottom surface 22 to prevent water and dust from entering and exiting from the gap.

The driving motor 4 and the camera module 3 share the same FPC 8 to be electrically connected to an external power supply, so that cost reduction and assembly process simplification are facilitated. The first connecting end of the FPC 8 in the movable support 1 is connected to the camera module 3 and the driving motor 4 through a first connecting portion and a second connecting portion respectively, and the second connecting end in the fixed support 2 extends out of the telescopic camera device from the wiring groove in the fixed support 2 to be connected to an external power supply. After the FPC 8 extends out of the telescopic camera device, the FPC and the wiring groove are sealed and fixed through sealant, and the sealant fills a gap between the FPC 8 and the wiring groove to prevent dust from entering and exiting from the gap.

When the retractable camera device is used, the opening bearing surface 211 of the fixing support 2 of the retractable camera device is connected with a shell of a mobile terminal such as a mobile phone by a sealing ring for sealing, so that water and dust cannot enter the mobile terminal from a gap between the retractable camera device and the mobile terminal; and because the gap between fixed bolster 2 and FPC 8 has adopted sealed glue to seal, and the water and dust that gets into from the gap between this scalable camera device's movable support 1 and the fixed bolster 2 can be detained in this scalable camera, can not get into mobile terminal in, in this scalable camera, only that water and dust can contact drive mechanism 5 and FPC 8, and drive mechanism 5 is mechanical component FPC 8's surface has the PI protection film, can not receive the water and dust influence.

In this embodiment, the FPC 8 is provided with an S-shaped bending structure 81 on a section close to the second connection end, the bending structure 81 is connected with the first connection end and is movable to bend 812 at a large angle of 180 degrees, the second connection end is connected with a small 180-degree bending 811 adhesively fixed on the fixing support 2, and the larger the radian of the large 180-degree bending 812 is, the more the reduction of stress is facilitated, and the bending life of the FPC 8 is prolonged.

The preferred step motor that is of driving motor 4 has opposite direction's first direction of rotation and second direction of rotation, and when first direction of rotation, telescopic transmission 5 will driving motor 4's first rotary motion converts into and stretches out linear motion, with camera module 3 stretches out outside the accommodation space of fixed bolster 2, when the second direction of rotation, telescopic transmission 5 will driving motor 4's second rotary motion converts into withdrawal linear motion, with camera module 3 retracts in the accommodation space of fixed bolster 2.

The telescopic transmission mechanism 5 comprises a rotating shaft 51 with external threads on the outer surface and a connecting block 52 with a through hole, and the inner surface of the through hole is provided with internal threads matched with the external threads; one end of the rotating shaft 51 is connected to the output end of the driving motor 4, and the other end is connected to the pipe through hole of the connecting block 52; the connecting block 52 is connected to the fixing bracket 2.

When the driving motor 4 rotates, the rotating shaft 51 and the connecting block 52 convert the rotating motion into linear motion through the mutual matching of the external thread and the internal thread, so as to drive the movable support 1 to do linear motion, and the camera module 3 is stretched.

The movable support 1 is connected with the fixed support 2 through a guide rail mechanism. The guide rail mechanism comprises a plurality of guide rail rods 221 extending from the closed bottom surface 22 of the fixed support 2 to the movable support 1 and a plurality of guide rail grooves 121 formed in one end of the movable support 1 facing the fixed support 2, and the guide rail rods 221 penetrate through the connecting blocks 52 and then are inserted into the corresponding guide rail grooves 121 to form guide rail connection so as to limit the stretching direction.

In order to ensure the stability of the telescopic camera device in the processes of stretching, collision or falling and the like, the telescopic transmission mechanism 5 and the fixed support 2 are also connected through an elastic buffer mechanism, and at the moment, the telescopic transmission mechanism 5 is movably connected with the fixed support 2. The elastic buffer mechanism comprises a plurality of springs 6, one end of each spring 6 is connected to the connecting block 52 of the telescopic transmission mechanism 5, the other end of each spring 6 is connected to the closed bottom surface 22 of the fixed support 2, and the corresponding sleeve of each spring is arranged on the guide rail rod 221 in the fixed support 2.

The fixed support 2 is corresponding to the inner side wall of the connecting block 52 is provided with a movable limiting groove 221, the connecting block 52 extends into the movable limiting groove 221, a certain buffering movable range is provided, meanwhile, the linear movable range of the connecting block 52 is limited, and the connecting block 52 is prevented from falling off from the fixed support 2.

The above-mentioned embodiments only express the embodiments of the present invention, and the description is more specific and detailed, but not understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by using the equivalent substitution or the equivalent transformation should fall within the protection scope of the present invention.

Claims

1. A telescopic camera device is characterized by comprising a fixed support, a telescopic transmission mechanism and a movable support, wherein a camera module and a driving motor are assembled on the movable support; the input end of the telescopic transmission mechanism is connected with the output end of the driving motor, and the output end of the telescopic transmission mechanism is connected with the fixed support so as to drive the fixed support to drive the camera module to extend out of the accommodating space or retract into the accommodating space; the movable support comprises a first support used for assembling the driving motor and a second support used for assembling the camera module and the first support; the assembly groove of the first bracket is opened from one surface facing the second bracket, and the assembly groove of the second bracket is opened from one surface facing the first bracket; the driving motor is hermetically fixed with the assembly groove of the first support through sealant, and the first support is hermetically fixed with the assembly groove of the second support through sealant; the camera module is characterized in that a transparent cover plate which is sealed and fixed with an assembly groove opening of the movable support through sealant is arranged in front of a lens of the camera module, and the transparent cover plate is sealed and fixed with one surface of the first support, which faces away from the second support, through the sealant in a partial region corresponding to the first support.

2. The retractable camera device of claim 1, wherein the driving motor and the camera module share the same FPC for electrical connection to an external power source.

3. The retractable camera device of claim 2, wherein the FPC is sealed and fixed to the routing groove by a sealant after extending out of the routing groove of the fixing bracket.

4. The retractable camera device according to claim 1, wherein the retractable transmission mechanism comprises a rotating shaft having an external thread on an outer surface thereof and a connecting block having a through hole, and an internal thread adapted to the external thread is provided on an inner surface of the through hole; one end of the rotating shaft is connected to the output end of the driving motor, and the other end of the rotating shaft is connected into the through hole of the connecting block; the connecting block is connected with the fixed support.

5. The retractable camera device of claim 1, wherein the movable bracket and the fixed bracket are connected by a rail mechanism.

6. The retractable camera device of claim 5, wherein the guide mechanism comprises a plurality of guide rods extending from the closed bottom surface of the fixed bracket to the movable bracket, and a plurality of guide grooves formed on an end of the movable bracket facing the fixed bracket, wherein the guide rods are inserted into the corresponding guide grooves to form a guide connection.

7. The retractable camera device according to claim 1, wherein the retractable transmission mechanism is connected to the fixed bracket through an elastic buffer mechanism, and the retractable transmission mechanism is movably connected to the fixed bracket.

8. The retractable camera device, as recited in claim 7, wherein the resilient buffer mechanism comprises a plurality of springs, one end of the springs being connected to the retractable transmission mechanism and the other end of the springs being connected to the fixed bracket.