CN210225628U

CN210225628U - Video acquisition device

Info

Publication number: CN210225628U
Application number: CN201921593289.7U
Authority: CN
Inventors: Wei Zhang; 张威; Hongbin Gao; 高宏彬
Original assignee: NANJING MAGEWELL ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: NANJING MAGEWELL ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-03-31
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a video acquisition device, which comprises a clamping device, a connecting device and a video acquisition box; the clamping device comprises a first clamping part and a second clamping part, and the top of the first clamping part and the bottom of the second clamping part are oppositely arranged to form a clamping space; the video acquisition box is used for acquiring and outputting video signals; the connecting device is fixedly connected with the first clamping part; the connecting device is rotatably connected with the video acquisition box, and the first clamping part is rotatably positioned relative to the video acquisition box through the connecting device. The mobile terminal is installed on the clamping device of the video acquisition box, and the clamping device has various fixed positions, so that the application range of the video acquisition box is expanded.

Description

Video acquisition device

Technical Field

The utility model relates to a video acquisition device, especially, have clamping device's video acquisition device.

Background

In the existing live broadcast mode, most products need to be matched with a computer and used in a fixed place. When live recording is carried out in outdoor mobile, an operator often cannot hold a plurality of devices such as a mobile phone and a video acquisition device at the same time, which causes inconvenience in use for the user.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a clamping device of mobile terminal, especially have clamping device's video acquisition device, can simplify the regulation operation of clamping device size, improve the accuracy nature of adjusting, make mobile terminal stabilize and be connected to video acquisition device.

A video acquisition device comprises a clamping device, a connecting device and a video acquisition box; the clamping device comprises; the clamping device comprises a first clamping part and a second clamping part, wherein the first clamping part is connected with the second clamping part to form a clamping space; the video acquisition box is used for acquiring and outputting video signals; one end of the connecting device is fixedly connected with the first clamping part; the other end of the connecting device is rotatably connected with the video acquisition box, and the connecting device enables the first clamping part and the video acquisition box to rotate relatively.

Further, the connecting device includes: the first rotating elastic sheet and the second rotating elastic sheet; the first rotary elastic sheet is fixedly connected with the first clamping part; the second rotary elastic sheet is fixedly connected with the video acquisition box; the first rotary elastic sheet is rotatably connected with the second rotary elastic sheet, and the first rotary elastic sheet is provided with a plurality of fixed positions relative to the second rotary elastic sheet. Further, the connecting device further comprises: a connecting member; the first rotating elastic sheet is sleeved on one end of the connecting piece and positioned, the other end of the connecting piece is in clearance fit with the video acquisition box, and the second rotating elastic sheet is in clearance fit with the connecting piece. Further, the connecting device further comprises: a driving member, a spring; the connecting piece is provided with a driving piece which is used for being clamped with the second rotating elastic piece; the bolt is fixedly connected with the other end of the connecting piece, and the spring is arranged between the driving piece and the video acquisition box;

furthermore, a limiting groove is formed in the back of the second rotary elastic sheet; the driving piece is provided with a protrusion clamped with the limiting groove. Further, the video acquisition box comprises a shell and a built-in power supply; the shell is provided with a bottom surface which is connected with a built-in power supply for supplying power to the video acquisition box, and the included angle between the rotating axis of the connecting piece and the bottom surface of the shell is 45 degrees. Further, the distance range between the video acquisition box and the clamping device is 0-5 mm. Furthermore, the video acquisition box is provided with a built-in power supply, and an included angle between the rotating axis of the connecting device and the central line of the video acquisition box is an acute angle. Further, the outer surface of the video capture box and the outer surface of the clamping device are located in the same plane. In the video acquisition device, when an operator carries out network live broadcasting, the mobile terminal is stably fixed on the video acquisition device. Therefore, an operator can free one hand, only one video acquisition device with the clamping device is needed, the mobile terminal and the video acquisition device can be held by the hand simultaneously, and the operation of the operator in the live broadcast process is facilitated. In addition, under the motion state, the clamping device enables the mobile terminal and the video acquisition device to move together, and the application range of the video acquisition device in the mobile terminal is expanded.

Drawings

FIG. 1 is a schematic diagram of a video capture device;

FIG. 2 is a cross-sectional view of the video capture device at A-A;

FIG. 3 is an enlarged view of a portion of the video capture device at B;

FIG. 4 is a schematic view of the structural mounting of the connection device;

FIG. 5 is a view showing the construction of the connecting device;

FIG. 6 is an exploded view of the connection device;

FIG. 7 is an assembly view of the attachment device mounted to the video capture box;

fig. 8 is a block diagram of the video capture device at another fixed location.

Detailed Description

The utility model provides a video acquisition device 100. Referring to fig. 1 and 2, the video capture device 100 includes a video capture box 40, a holding device 1, and a connecting device 30. The clamping device is used for clamping the mobile terminal. The mobile terminal can be a mobile phone or an IPAD and the like. The video acquisition box 40 is used for sending the acquired audio and video information to the mobile terminal, so that the mobile terminal and the video acquisition box 40 perform data interaction to complete live broadcast recording. Connecting device 30 connects video capture box 40 and the clamping device such that video capture box 40 and the clamping device are formed as one piece and such that the clamping device is rotatable relative to video capture box 40 such that the clamping device has different fixed positions.

Referring to fig. 2, the clamping device includes a first clamping portion 10, a second clamping portion 20, and an adjusting member. The upper end of the first clamping portion 10 is opposite to the lower end of the second clamping portion 20, and a clamping space is formed between the first clamping portion 10 and the second clamping portion 20. Wherein the first clamping part 10 supports one side of the mobile terminal and the second clamping part 20 stably clamps the other side of the mobile terminal. The position of the second clamping part 20 can be adjusted by an adjusting member, and when the mobile terminal is installed in the clamping space, the second clamping part 20 is movably connected with the first clamping part 10, so that the distance between the second clamping part 20 and the first clamping part 10 is adjustable. The second clamping portion 20 has a fixing portion for fixing other external devices, such as a mobile camera. Like this can fasten a plurality of equipment of installation on the clamping device, wherein external equipment for example mobile camera can gather outside video signal, with external equipment and video acquisition box 40 data connection, the video signal of video acquisition box 40 output provides the mobile terminal on the clamping device and operates, improves the integrated function of video acquisition device 100 like this.

Referring to fig. 2-3, the first clamping portion 10 has a first top surface and a first mounting surface 11, two side surfaces. Wherein the first top surface faces the outside of the clamping device and the two side surfaces are located in the same plane of the outer surface of the video capture box 40.

Referring to fig. 4-6, the connecting device 30 includes a first rotating elastic piece 31 and a second rotating elastic piece 32; the first mounting surface 11 is provided with a fixing groove 11a and three fixing holes, and the three fixing holes are uniformly distributed around the fixing groove. The first rotary elastic piece 31 is fixed in the fixing groove of the first clamping portion 10, and the first rotary elastic piece 31 is provided with three mounting holes 311 and a limiting hole 312. The three mounting holes 311 are respectively disposed corresponding to the three fixing holes, and the three screws pass through the three mounting holes 311 and the three fixing holes to fix the first rotary elastic piece 31 to the first clamping portion 10.

The second rotary elastic sheet 32 is fixed on the shell 41 of the video acquisition box 40, a containing cavity is formed in the shell 41 of the video acquisition box 40, and an audio and video processing PCB and a battery are arranged in the containing cavity. The audio and video processing PCB board is provided with an audio input interface, such as an MIC interface, an audio and video input interface, such as an HDMI input interface, a mobile controller input interface, a charging input interface, such as a charger interface, and a mobile terminal output interface.

The first rotating elastic piece 31 can rotate relative to the second rotating elastic piece 32, and the first rotating elastic piece 31 has a plurality of fixing positions relative to the second rotating elastic piece 32, that is, the first rotating elastic piece 31 can rotate relative to the second rotating elastic piece 32, and the fixing positions are at various angles such as 60 degrees and 180 degrees.

Referring to fig. 3 and 4, video capture box 40 includes a housing 41, with the exterior of housing 41 forming an exterior surface that includes first and second side surfaces, top and bottom surfaces, and first and second end surfaces 41a and 41 b. A plurality of through holes are formed in the first side face, an audio input interface, an HDMI input interface, a mobile controller input interface, a charging input interface, a mobile terminal output interface and a control key are contained in the through holes. The first end surface 41a is disposed obliquely relative to the bottom surface, and an included angle between the first end surface 41a and the bottom surface is an acute angle, and specifically, an included angle between the first end surface 41a and the bottom surface is 45 degrees. The top surface is parallel to the bottom surface, the first side surface is parallel to the second side surface, and the bottom surface is perpendicular to the first side surface, so that the housing 41 of the video capture box 40 is a trapezoidal shaped housing.

Set up fixed slot and three fixed orifices on the first terminal surface 41a of shell 41, the fixed slot internal fixation is provided with the rotatory shell fragment 32 of second, and three fixed orifices set up around fixed slot evenly distributed. The second rotary elastic sheet 32 is fixed in the fixing groove of the housing 41, and the second rotary elastic sheet 32 is provided with three mounting holes 311 and a rotary hole. The three mounting holes 311 are respectively disposed corresponding to the three fixing holes, and the three screws pass through the three mounting holes 311 and the three fixing holes to fix the second rotary elastic piece 32 to the housing 41.

Wherein the fixing grooves on the first end face 41a correspond to the fixing grooves on the first mounting face 11, and the two fixing grooves form an accommodating space for arranging the connecting device 30, so that the connection of the clamping device and the video capture box 40 is more compact. The distance between the first mounting surface 11 of the clamping device and the first end surface 41a of the housing 41 in the embodiment is 0-10 mm, and more specifically, the distance between the first mounting surface 11 and the first end surface 41a is 0-5 mm.

Referring to fig. 6, the connecting device 30 further includes a connecting member 33, the limiting hole 312 of the first rotary elastic sheet 31 is a waist-shaped hole, the first rotary elastic sheet 31 is disposed at one end of the connecting member 33, and when the first rotary elastic sheet 31 rotates, the connecting member 33 can be driven to rotate, so that the first rotary elastic sheet 31 is sleeved on the connecting member 33 through the waist-shaped hole and positioned, and the second rotary elastic sheet 32 is in clearance fit with the connecting member 33.

The connecting device 30 further comprises a gasket, the gasket is located between the first rotating elastic sheet 31 and the second rotating elastic sheet 32, friction between the first rotating elastic sheet 31 and the second rotating elastic sheet 32 in the rotating process of the first clamping portion 10 can be reduced, and operation flexibility of the connecting device 30 is further improved.

Referring to fig. 7, the other end of the connecting member 33 passes through the video capture box 40 to be in clearance fit with the video capture box 40. Set up rotatory hole in the middle of the rotatory shell fragment 32 of second, rotatory hole is circular port 321, and the rotatory shell fragment 32 of second is established on connecting piece 33 through circular port 321 cover, circular port 321 and connecting piece 33 clearance fit for connecting piece 33 can not drive the rotatory shell fragment 32 of second and rotate.

The connecting device 30 further comprises a driving member 34, the driving member 34 has a mounting hole 311 in the middle, the driving member 34 is disposed on the connecting member 33, the mounting hole 311 is matched with the connecting member 33, so that the connecting member 33 drives the driving member 34 to rotate, and the driving member 34 can move along the length direction of the connecting member 33.

The connecting device 30 further comprises a spring 35 and a bolt 36, the spring 35 is sleeved on the other end of the connecting piece 33, the spring 35 can drive the driving piece 34 to move along the length direction of the connecting piece 33, the bolt 36 is fixed on the other end of the connecting piece 33 to abut against the spring 35 and is arranged on the other side of the spring 35 to limit the movement of the spring 35.

The second rotary elastic sheet 32 has a back surface, wherein two limiting grooves 322 are provided, the two limiting grooves 322 are symmetrically arranged about the circular hole 321, and an angle between the two limiting grooves 322 is 180 degrees. Meanwhile, the driving member 34 is provided with two protrusions 341 corresponding to the two limiting grooves 322 of the second rotating elastic sheet 32, and an angle between the two protrusions 341 is 180 degrees. The two protrusions 341 and the two limiting grooves 322 are engaged to limit the rotation angle of the connecting member 33, so as to limit the rotation angle of the first rotating elastic sheet 31, and finally, the fixing of the first clamping portion 10 relative to different positions of the video capture box 40, that is, the rotation positioning of the clamping device relative to the video capture box 40, is realized.

The connecting member 33 of the connecting device 30 passes through the first rotating elastic sheet 31, the second rotating elastic sheet 32, the driving member 34, the spring 35 and the bolt 36. In order to provide different rotational positions of the clamping device, the rotation axis M of the connecting member 33 is perpendicular to the first end surface 41a of the housing 41, the rotation axis M of the connecting device 30 forms an acute angle with the center line N of the video cassette 40, specifically, the rotation axis M of the connecting member 33 forms an angle of 45 degrees with the bottom surface, and the clamping device can rotate in the plane formed by the first end surface 41 a.

The working principle of the rotation of the connecting device 30 is as follows:

an operator holds the first clamping part 10, rotates the first clamping part 10, drives the first rotary elastic sheet 31 to rotate, the first rotary elastic sheet 31 drives the connecting piece 33 to rotate, the protrusion 341 of the driving piece 34 is separated from one of the limiting grooves 322 of the second rotary elastic sheet 32, the driving piece 34 moves along the length direction of the connecting piece 33, and the driving piece 34 compresses the spring 35 to enable the spring 35 to store energy. After the first clamping portion 10 rotates 180 degrees, the energy-storing spring 35 releases energy to drive the driving member 34 to move, so that the protrusion 341 of the driving member 34 is engaged with the other limiting groove 322 of the second rotating elastic sheet 32, and the position fixation of the first clamping portion 10 when rotating 180 degrees is realized.

The embodiment also discloses a video acquisition device 100, which comprises a clamping device, a connecting device 30 and a video acquisition box 40; the clamping device comprises; the clamping device comprises a first clamping part 10 and a second clamping part 20, wherein the first clamping part 10 and the second clamping part 20 form a clamping space; the video acquisition box 40 is used for acquiring and outputting video signals; the connecting device 30, the connecting device 30 is fixedly connected with the first clamping part 10; the connecting device 30 is rotatably connected to the video capture box 40, and the first clamping portion 10 has a plurality of fixed positions relative to the video capture box 40. The video capture box 40 has a built-in power supply that supplies power to the video capture box 40, and the center line of the clamping device is perpendicular to the center line of the video capture box 40. The outer surface of video capture box 40 is in the same plane as the outer surface of the clamping means. Since the driving member 34 has two protrusions 341 spaced 180 degrees apart, in the initial position, the outer surface of the video cassette 40 is in the same plane as the outer surface of the clamping means, which is in a fixed position. Referring to fig. 8, the clamping device is rotated 180 degrees counterclockwise to another fixed position, the center line of the clamping device is perpendicular to the center line of the video capture box 40, and the video capture device 100 is in an "L" shape as a whole. Meanwhile, after the mobile terminal is rotated by 180 degrees, the clamping space faces outwards, the mobile terminal can face an operator, and the operator can operate the mobile terminal conveniently.

The clamping device and the video acquisition device 100 can be adjusted in the inclination angle of the clamping device by rotating the clamping device in a connection mode of adopting the inclined rotation axis M of the connecting device 30, so that the mobile phone can be conveniently adjusted in all directions.

In addition, the bottom surface of the video collecting device 100 is further provided with a threaded mounting interface, and the video collecting device 100 can be fixed on other external equipment, such as a tripod, a video camera and a camera, is convenient and quick to use and is suitable for various different use occasions.

Therefore, the video capture device 100 has a plurality of standing positions and is suitable for different live broadcast modes, no matter in a mode, the operator holds the video capture device 100 for live broadcast, or in an L mode, the operator fixes the video capture device 100 at a certain position for live broadcast, and the mobility of the whole live broadcast system is improved. The operator only needs to hold the video acquisition box 40 with one hand, and the purpose of holding the mobile terminal with the hand can be achieved, so that the operator can conveniently operate the mobile terminal in the live broadcast or recording process.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.

Claims

1. A video acquisition device comprises a clamping device, a connecting device and a video acquisition box; the clamping device comprises a first clamping part and a second clamping part, and the top of the first clamping part and the bottom of the second clamping part are oppositely arranged to form a clamping space;

the video acquisition box is used for acquiring and outputting video signals;

one end of the connecting device is fixedly connected with the first clamping part; the method is characterized in that:

the other end of the connecting device is rotatably connected with the video acquisition box, and the connecting device enables the first clamping part and the video acquisition box to rotate relatively.

2. The video capture device of claim 1, wherein:

the connecting device includes: the first rotating elastic sheet and the second rotating elastic sheet;

the first rotary elastic sheet is fixedly connected with the first clamping part;

the second rotary elastic sheet is fixedly connected with the video acquisition box;

the first rotary elastic sheet is rotatably connected with the second rotary elastic sheet, and the first rotary elastic sheet is provided with a plurality of fixed positions relative to the second rotary elastic sheet.

3. The video capture device of claim 2, wherein:

the connecting device further comprises a connecting piece;

the first rotating elastic sheet is sleeved on one end of the connecting piece and positioned;

the other end of the connecting piece is in clearance fit with the video acquisition box, and the second rotary elastic piece is in clearance fit with the connecting piece.

4. A video capture device as defined in claim 3, wherein:

the connecting device further comprises: a driver, a spring and a bolt;

the driving piece is arranged on the connecting piece and is used for being clamped with the second rotary elastic piece;

the spring is sleeved on the connecting piece, the bolt is tightly connected with the other end of the connecting piece, and the spring is arranged between the driving piece and the bolt.

5. The video capture device of claim 4, wherein:

the back of the second rotary elastic sheet is provided with a limiting groove; the driving piece is provided with a protrusion clamped with the limiting groove.

6. The video capture device of claim 5, wherein:

the video acquisition box comprises a shell and a built-in power supply, wherein the shell is provided with a bottom surface, and the built-in power supply supplies power to the video acquisition box;

the included angle between the rotation axis of the connecting piece and the bottom surface of the shell is 45 degrees.

7. The video capture device of any of claims 1 to 6, wherein: the distance range between the video acquisition box and the clamping device is 0-5 mm.

8. The video capture device of claim 5, wherein: the two protrusions on the drive member are 180 degrees apart.

9. The video capture device of claim 8, wherein: the included angle between the rotation axis of the connecting device and the central line of the video acquisition box is an acute angle.

10. The video capture device of claim 9, wherein: the outer surface of the video acquisition box and the outer surface of the clamping device are positioned in the same plane.