CN217821858U

CN217821858U - Video playing device

Info

Publication number: CN217821858U
Application number: CN202222032680.8U
Authority: CN
Inventors: 梁保勤; 张新凡; 刘继
Original assignee: Xiangyang Aoshida Digital Technology Co ltd
Current assignee: Xiangyang Aoshida Digital Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-15
Anticipated expiration: 2032-08-03

Abstract

The utility model belongs to the technical field of teaching video playing, in particular to a video playing device, which comprises a base, wherein a U-shaped frame is fixedly connected to the upper end of the base, a chute is arranged on the upper side of the U-shaped frame, a first slider is connected in the chute in a sliding way, a screw rod is assembled in the chute in a rotating way, the first slider is in threaded connection with the screw rod, a slide rail is arranged on the U-shaped frame, a second slider is arranged on the slide rail, a rotating rod is arranged between the first slider and the second slider, the rotating rod is provided with a display screen, and the rotating rod is provided with a turnover mechanism; through utilizing two display screens broadcast teaching video, make teaching video three-dimensional more and comprehensive, two display screens can broadcast the different visual angles of same section dance in step, can let the more audio-visual details of experiencing the dance action of student, and the practicality is higher, when not using device, can make two display screens laminate each other, practices thrift the space, can protect the screen of two display screens simultaneously.

Description

Video playing device

Technical Field

The utility model belongs to the technical field of teaching video broadcast, concretely relates to video play device.

Background

Dance is a performance art, uses the health to accomplish various graceful or highly difficult actions, generally has the music accompaniment to rhythmic action is the artistic form of main expression means, and the dance is at the teaching in-process, and the dance mr except the teaching of oneself in person, just imparts knowledge to students through playing the dance video, for this reason we provide one kind set up two screens come the different visual angles of synchronous broadcast same section dance, let the more audio-visual dance video playback device who experiences the detail of dance action of student.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: aim at providing a video play device, through utilizing two display screens broadcast teaching video, make teaching video three-dimensional more and comprehensive, two display screens can the synchronous broadcast different visual angles of same section dance, can let the student more audio-visual experience details of dance action, and the practicality is higher, when not using device, can make two display screens laminate each other, practices thrift the space, can protect the screen of two display screens simultaneously.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a video playing device comprises a base, wherein a U-shaped frame is fixedly connected to the upper end of the base, the opening of the U-shaped frame faces the front side, a sliding groove is formed in the upper side of the U-shaped frame, a first sliding block is connected in the sliding groove in a sliding mode, a screw rod is assembled in the sliding groove in a rotating mode, the first sliding block is connected with the screw rod in a threaded mode, a sliding rail is installed on the lower side of the U-shaped frame, a second sliding block is assembled in the sliding rail in a sliding mode, two rotating rods distributed on the left and right sides are assembled between the first sliding block and the second sliding block in a rotating mode, the two rotating rods are connected with a display screen through connecting seats, and turnover mechanisms are arranged at the upper ends of the two rotating rods;

tilting mechanism includes the pinion, the pinion rotates the assembly and is in first slider upside, the bull stick upper end runs through first slider with pinion drive connects, first slider upside rotates and is connected with the gear wheel, the gear wheel with pinion toothing matches, the centre of a circle department fixedly connected with connecting rod of gear wheel, the end connection of connecting rod has the guide bar, the lateral wall is equipped with on the spout with guide bar assorted guide way, the guide way comprises chute and straight flute, the chute is located the spout rear side, just the chute sets up from interior to outer slope backward by preceding, the straight flute with the chute front end intercommunication.

And a pulley matched with the sliding rail is arranged in the middle of the second sliding block.

The base bottom is equipped with the fluting, U-shaped frame downside be equipped with the mounting groove of fluting intercommunication, the mounting groove internal rotation is equipped with the pivot, both sides all are equipped with the screw thread section around the pivot, and two the screw thread of screw thread section revolves to opposite, two the equal threaded connection of screw thread section have with mounting groove sliding assembly's slide, two the slide lower extreme left and right sides all articulates there is the hinge bar, it has mounting panel, four to slide in the fluting the hinge bar lower extreme all with the mounting panel is articulated, the mounting panel downside is equipped with four universal wheels that are the rectangle and distributes.

The rear end of the screw penetrates through the U-shaped frame to be connected with a first handle, and the rear end of the rotating shaft penetrates through the U-shaped frame to be connected with a second handle.

The middle part of the rear side of the U-shaped frame is connected with a U-shaped handle.

Two stabilizer bars are fixedly connected in the sliding groove, the two stabilizer bars are respectively positioned on the left side and the right side of the screw rod, and the two stabilizer bars are both connected with the first sliding block in a sliding manner.

The utility model discloses an utilize two display screens broadcast teaching video, make teaching video three-dimensional more and comprehensive, two display screens can broadcast the different visual angles of same section dance in step, can let the more audio-visual details of experiencing the dance action of student, and the practicality is higher, when not using device, can make two display screens laminate each other, practices thrift the space, can protect the screen of two display screens simultaneously.

Drawings

The invention can be further illustrated by means of non-limiting examples given in the figures.

Fig. 1 is a first schematic structural diagram of a video playback device according to an embodiment of the present invention when two display screens are closed;

fig. 2 is a schematic structural diagram of the video playing apparatus according to the present invention when two display screens are unfolded;

FIG. 3 is a schematic view of the base and the U-shaped frame of the present invention;

fig. 4 is a schematic structural diagram of two display screens of the present invention;

fig. 5 is a schematic structural diagram two of the two display screens of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5;

FIG. 7 is a schematic cross-sectional view of the U-shaped frame of the present invention;

fig. 8 is a schematic diagram of a partial cross-sectional structure of an embodiment of a video player according to the present invention;

fig. 9 is a schematic structural diagram of a second embodiment of a video playback device according to the present invention when two display screens are closed.

The main element symbols are as follows:

the device comprises a base 1, a U-shaped frame 11, a sliding groove 12, a screw rod 121, a first handle 122, a first sliding block 13, a sliding rail 14, a second sliding block 15, a pulley 151, a rotating rod 16, a display screen 17, a pinion 2, a large gear 21, a connecting rod 22, a guide rod 23, a guide groove 24, a chute 241, a straight groove 242, a groove 3, a mounting groove 31, a rotating shaft 32, a threaded section 321, a handle 322, a sliding seat 33, a hinged rod 34, a mounting plate 35, a universal wheel 36, a U-shaped handle 4 and a stabilizing rod 5.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

The first embodiment is as follows:

as shown in fig. 1-9, the utility model discloses a video playing device, including base 1, base 1 upper end fixedly connected with U-shaped frame 11, the opening of U-shaped frame 11 is towards the front side, U-shaped frame 11 upside has seted up spout 12, sliding connection has first slider 13 in spout 12, the internal rotation of spout 12 is equipped with screw rod 121, first slider 13 and screw rod 121 threaded connection, slide rail 14 is installed to U-shaped frame 11 downside, slide rail 14 is equipped with second slider 15 in a sliding manner, rotate between first slider 13 and the second slider 15 and be equipped with two bull sticks 16 that distribute from side to side, two bull sticks 16 all are connected with display screen 17 through the connecting seat, the upper end of two bull sticks 16 all is equipped with tilting mechanism;

tilting mechanism includes pinion 2, pinion 2 rotates the assembly at first slider 13 upside, bull stick 16 upper end runs through first slider 13 and is connected with the transmission of pinion 2, first slider 13 upside rotates and is connected with gear wheel 21, gear wheel 21 matches with the meshing of pinion 2, the centre of a circle department fixedly connected with connecting rod 22 of gear wheel 21, the end connection of connecting rod 22 has guide bar 23, the lateral wall is equipped with and 23 assorted guide way 24 of guide bar on the spout 12, guide way 24 comprises chute 241 and straight flute 242, chute 241 is located spout 12 rear side, and chute 241 is by the preceding slope setting from inside to outside of backward, straight flute 242 and chute 241 front end intercommunication.

In an initial state, the first slider 13 is located at the rear end of the sliding chute 12, the second slider 15 is located at the rear end of the sliding rail 14, and at this time, the two large gears 21 are respectively located at the rear ends of the two sliding chutes 241 through the guide rods 23 connected by the connecting rod 22, that is, the two display screens 17 are buckled with each other; when the display screen is used, the device is moved to a specified position, then the screw rod 121 in the sliding chute 12 is rotated, as the first slider 13 which is slidably assembled in the sliding chute 12 is in threaded connection with the screw rod 121, when the screw rod 121 rotates, the first slider 13 can drive the first slider 13 to move forwards, the first slider 13 drives the second slider 15 on the lower side to move forwards on the sliding rail 14 through the two rotating rods 16, when the first slider 13 moves forwards, the guide rod 23 moves forwards along the inclined chute 241, and the guide rod 23 is connected with the circle center of the large gear 21 through the connecting rod 22, so that the distance from the guide rod 23 to the circle center of the large gear 21 is fixed, the inclined chute 241 is obliquely arranged from back to front from inside to outside, taking the large gear on the right side in fig. 6 as a reference direction, when the guide rod 23 moves along the inclined chute 241, the connecting rod 22 can be rotated clockwise, so that when the large gear 21 rotates, the small gear 2 can be driven to rotate counterclockwise, the rotating rod 16 is driven to rotate, the display screen 17 is gradually unfolded outwards, when the guide rod 23 moves into the straight chute 242, at this time, the connecting rod 22 can not rotate, even if the two sliding rods 21 rotate clockwise, the two sliding rods 15 degrees, the display screen 17 can rotate, so that the two display screen 17 can rotate clockwise, the two display screen 17 can be adjusted, and the distance of the display screen 17 can be adjusted, thus, namely, the two display screen 17 can be adjusted clockwise, and the distance of the display screen 17 can be adjusted clockwise; therefore, a user only needs to rotate the screw rod 121 to drive the first sliding block 13 to move forwards, namely the two display screens 17 can be unfolded mutually, as shown in fig. 2, the two display screens 17 are used for playing teaching videos, so that the teaching videos are more three-dimensional and comprehensive, the two display screens 17 can synchronously play different visual angles of the same section of dance, a student can feel details of dance actions more intuitively, and the practicability is higher; when the display screens 17 are not used, the screw rod 121 can be rotated reversely to enable the first sliding block 13 to move backwards to drive the two display screens 17 to move backwards, and after the guide rod 23 enters the inclined groove 241, the two display screens 17 are driven to rotate synchronously and relatively, so that the first sliding block 13 moves to the rear end of the sliding groove 13, the two display screens 17 are attached to each other, the space is saved, and the screens of the two display screens 17 can be protected;

The middle part of the second sliding block 15 is provided with a pulley 151 matched with the sliding rail 14; thus, the sliding rail 151 slides in the sliding rail 14, so that the friction force can be reduced, and the second slider 15 can slide in the sliding rail 14 more smoothly.

The middle part of the rear side of the U-shaped frame 11 is connected with a U-shaped handle 4; therefore, the user can push the device to move conveniently.

Two stabilizer bars 5 are fixedly connected in the chute 12, the two stabilizer bars 5 are respectively positioned at the left side and the right side of the screw 121, and the two stabilizer bars 5 are both connected with the first sliding block 13 in a sliding manner; like this through first slider 13 and two stabilizer bar 5 sliding connection, can carry on spacingly to first slider 13 for first slider 13 can only move along the direction of screw 121, and two stabilizer bar 5 are located the left and right sides of screw 121 respectively simultaneously, make first slider 13 more stable when sliding.

Example two:

as an improvement of the previous embodiment, the bottom of the base 1 is provided with a slot 3, the lower side of the u-shaped frame 11 is provided with a mounting groove 31 communicated with the slot 3, a rotating shaft 32 is rotatably assembled in the mounting groove 31, the front side and the rear side of the rotating shaft 32 are provided with threaded sections 321, the thread turning directions of the two threaded sections 321 are opposite, the two threaded sections 321 are respectively in threaded connection with sliding seats 33 slidably assembled with the mounting groove 31, the left side and the right side of the lower ends of the two sliding seats 33 are respectively hinged with a hinged rod 34, a mounting plate 35 is slidably assembled in the slot 3, the lower ends of the four hinged rods 34 are respectively hinged with the mounting plate 35, and the lower side of the mounting plate 35 is provided with four universal wheels 36 which are distributed in a rectangular shape; under initial state like this, mounting panel 35 is located the upside of fluting 3, four universal wheels 36 are accomodate in fluting 3 this moment, when needing the mobile device, only need to rotate pivot 32, because two screw threads that pivot 32 front and back both sides processing revolve to the equal threaded connection of opposite screw thread section 321 has slide 33, can drive two slides 33 back-to-back movement when pivot 32 rotates like this, will drive mounting panel 35 downstream through downside articulated hinge bar 34 when two slides 33 back-to-back movement, thereby four universal wheels 36 downstream and ground contact, it just can make four universal wheels 36 shift out completely in the fluting 3 to continue to rotate pivot 32, thereby conveniently remove the device, after removing the assigned position with the device, can the counter rotation pivot 32 make two slides 33 relative motion, slide 33 pulls mounting panel 35 upward movement through hinge bar 34, make universal wheels 36 withdraw in the fluting 3, like this the device is when carrying out video playing, can be more stable, be difficult for rocking.

The rear end of the screw rod 121 penetrates through the U-shaped frame 11 to be connected with a first handle 122, and the rear end of the rotating shaft 32 penetrates through the U-shaped frame 11 to be connected with a second handle 322; therefore, a user can drive the screw rod 121 to rotate by rotating the first handle 122, so that the first sliding block 13 slides forwards and backwards, the rotating shaft 32 is driven to rotate by rotating the second handle 322, so that the universal wheel 36 is lifted, and actually, the forward and reverse rotation motor can be selectively used to drive the screw rod 121 and the handle 322 to rotate, so that automatic control is realized.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a video playing device, includes the base, its characterized in that: the upper end of the base is fixedly connected with a U-shaped frame, the opening of the U-shaped frame faces the front side, the upper side of the U-shaped frame is provided with a sliding groove, a first sliding block is connected in the sliding groove in a sliding mode, a screw rod is assembled in the sliding groove in a rotating mode, the first sliding block is in threaded connection with the screw rod, a sliding rail is installed on the lower side of the U-shaped frame, a second sliding block is assembled on the sliding rail in a sliding mode, two rotating rods distributed on the left and right sides are assembled between the first sliding block and the second sliding block in a rotating mode, the two rotating rods are connected with a display screen through connecting seats, and the upper ends of the two rotating rods are provided with turnover mechanisms;

tilting mechanism includes the pinion, the pinion rotates the assembly and is in first slider upside, the bull stick upper end runs through first slider with pinion drive connects, first slider upside rotates and is connected with the gear wheel, the gear wheel with the pinion toothing matches, the centre of a circle department fixedly connected with connecting rod of gear wheel, the end connection of connecting rod has the guide bar, the lateral wall is equipped with on the spout with guide bar assorted guide way, the guide way comprises chute and straight flute, the chute is located the spout rear side, just the chute is by the back to preceding from interior to outer slope setting, the straight flute with the chute front end intercommunication.

2. A video playback apparatus according to claim 1, wherein: and a pulley matched with the sliding rail is arranged in the middle of the second sliding block.

3. A video playback apparatus as claimed in claim 1, wherein: the base bottom is equipped with the fluting, U-shaped frame downside be equipped with the mounting groove of fluting intercommunication, the mounting groove internal rotation is equipped with the pivot, both sides all are equipped with the screw thread section around the pivot, and two the screw thread of screw thread section revolves to opposite, two the equal threaded connection of screw thread section have with mounting groove sliding assembly's slide, two the slide lower extreme left and right sides all articulates there is the hinge bar, it has mounting panel, four to slide in the fluting the hinge bar lower extreme all with the mounting panel is articulated, the mounting panel downside is equipped with four universal wheels that are the rectangle and distributes.

4. A video playback device according to claim 3, wherein: the rear end of the screw penetrates through the U-shaped frame to be connected with a first handle, and the rear end of the rotating shaft penetrates through the U-shaped frame to be connected with a second handle.

5. A video playback apparatus according to claim 1, wherein: the middle part of the rear side of the U-shaped frame is connected with a U-shaped handle.

6. A video playback apparatus as claimed in claim 1, wherein: two stabilizer bars are fixedly connected in the sliding groove, the two stabilizer bars are respectively located on the left side and the right side of the screw rod, and the two stabilizer bars are both in sliding connection with the first sliding block.