CN220397136U

CN220397136U - Teaching video display device

Info

Publication number: CN220397136U
Application number: CN202223177954.9U
Authority: CN
Inventors: 周世强
Original assignee: Sichuan Benben Sports Culture Communication Co ltd
Current assignee: Sichuan Benben Sports Culture Communication Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2024-01-26
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a teaching video display device, which relates to the technical field of video display devices and comprises a display screen, a support column, a movable base and universal wheels, wherein a groove is formed in the bottom of the movable base, one end of the outer wall of the movable base is provided with a guide groove penetrating into the groove, and a positioning mechanism used for limiting and fixing the movable base is arranged in the groove and the guide groove. According to the utility model, the pedal is pressed downwards by the positioning mechanism, the positioning plate can be moved downwards to be attached to the ground by the transmission of the connecting arm, the universal connector, the transmission plate, the transmission gear shaft and the driven plate, the device can be kept stable by the friction force between the positioning plate and the ground, the rapid positioning of the display device can be realized by the cooperation of the parts, and the device is more convenient and faster to operate compared with the traditional operation of locking four universal wheels.

Description

Teaching video display device

Technical Field

The utility model relates to the technical field of video display devices, in particular to a teaching video display device.

Background

The training is to improve the athletic ability and athletic performance of athletes, under the guidance of coaches, the planned athletic activities of organizations are important components of athletic sports, the main participants of the dynamic training are athletes and coaches instead of general athletic participants, and the training is an organized planned activity process, so as to improve the training level, lay the foundation for obtaining the athletic performance, the training items are various, different athletic training places are different, the ball training is carried out indoors, such as shuttlecocks, table tennis, volleyballs, basketball and the like, in the ball training process, the problems in training and various skills are analyzed through videos, in the learning and analysis process, the video viewing can be directly carried out in the training place for better practice, and then the training can be directly carried out, so that the high-efficiency teaching efficiency can be realized, and the teaching video is played by adopting a display screen which is convenient to move.

The display screen is mostly moved by adopting the universal wheels, the ground of the ball training field is smooth and tidy, so that the universal wheels are required to be fixed when the display screen is used, the display screen is prevented from being deviated, but in the actual use process, a trainer is required to respectively fix a plurality of the universal wheels by moving around the display screen, the operation is required to be carried out again to unlock the universal wheels when the display screen is required to be rotated or moved, the operation is inconvenient, and the quick positioning and locking of the display screen are realized when the display screen is convenient to move.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the existing mobile display screen is inconvenient to fix quickly, the teaching video display device is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a teaching video display device, includes display screen, support column, removal base and universal wheel, the display screen is installed in the top of support column, the support column is fixed at the top of removing the base, the universal wheel is installed in the bottom of removing the base, the bottom shaping of removing the base has the recess, the guide way that runs through to the inside recess is seted up to the outer wall one end of removing the base, the inside of recess, guide way is provided with and is used for carrying out spacing fixed positioning mechanism to removing the base, positioning mechanism includes:

the pedal is arranged at one end outside the movable base, one end of the pedal is fixedly connected with a connecting arm, one end of the connecting arm penetrates through the guide groove to be connected with a universal connector in the groove, the other end of the universal connector is fixedly connected with a transmission plate, one end of the transmission plate is provided with a transmission gear shaft, two sides of the transmission gear shaft are rotationally connected with the side surface of the inner wall of the groove, one end of the transmission gear shaft is provided with a driven plate, and the bottom end of the driven plate extends to the lower part of the movable base and is fixedly connected with a positioning plate;

the fixed shaft is fixedly connected to the inner side of the groove and penetrates through two sides of the connecting arm, and a limiting chute is formed in the position where the connecting arm is contacted with the fixed shaft.

As still further aspects of the utility model: and racks are formed at one ends of the driving plate and the driven plate, which are close to the driving gear shaft, and the two racks are meshed with the driving gear shaft.

As still further aspects of the utility model: the T-shaped sliding blocks are arranged on two sides of the outer walls of the driving plate and the driven plate, and T-shaped rails for sliding of the T-shaped sliding blocks are formed on two sides of the inner wall of the groove.

As still further aspects of the utility model: the vertical cross section of drive plate is the structure of "" style of calligraphy, the top of drive plate is provided with compression spring, compression spring top and the laminating of the inner wall top of recess.

As still further aspects of the utility model: the number of the compression springs is multiple, the compression springs are transversely and uniformly distributed at the top of the transmission plate, and the overall elasticity of the compression springs is greater than the overall gravity of parts such as the pedal, the connecting arm, the driven plate, the positioning plate and the like.

As still further aspects of the utility model: the transverse section of guide way is "L" type structure, the width of linking arm and the inner wall width phase-match of the vertical part of guide way, the high phase-match of the inner wall height of the high and guide way transverse part of linking arm, the top shaping of footboard has the anti-skidding line of transverse distribution.

As still further aspects of the utility model: the top of the movable base is provided with a storage battery through a bolt assembly, and the storage battery is electrically connected with the display screen through a wire.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up positioning mechanism, extrudees the footboard downwards, through linking arm, universal joint, drive plate, transmission tooth axle, driven plate's transmission, can make locating plate downwardly moving and ground laminating, can make the device keep stable through the frictional force between locating plate and the ground, can realize display device's quick location through the cooperation of above a plurality of parts, is different from traditional operation to four universal wheel locking, and its operation is more convenient, further improves display device convenience of use.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a mobile base of the present utility model;

fig. 3 is a side view of a cross-sectional structure of a mobile base of the present utility model.

In the figure: 1. a display screen; 2. a support column; 3. a movable base; 301. a groove; 302. a guide groove; 4. a universal wheel; 5. a storage battery; 6. a positioning mechanism; 601. a pedal; 602. a connecting arm; 603. a universal joint; 604. a drive plate; 605. a transmission gear shaft; 606. a driven plate; 607. a positioning plate; 608. a fixed shaft; 609. compressing the spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a teaching video display device includes a display screen 1, a support column 2, a mobile base 3 and a universal wheel 4, wherein the display screen 1 is installed at the top of the support column 2, the support column 2 is fixed at the top of the mobile base 3, the universal wheel 4 is installed at the bottom of the mobile base 3, a groove 301 is formed at the bottom of the mobile base 3, a guide groove 302 penetrating into the groove 301 is formed at one end of the outer wall of the mobile base 3, a positioning mechanism 6 for limiting and fixing the mobile base 3 is arranged in the groove 301 and the guide groove 302, and the positioning mechanism 6 includes:

the pedal 601 is arranged at one end outside the movable base 3, one end of the pedal 601 is fixedly connected with a connecting arm 602, one end of the connecting arm 602 penetrates through the guide groove 302 to the inner part of the groove 301 and is connected with a universal joint 603, the other end of the universal joint 603 is fixedly connected with a transmission plate 604, one end of the transmission plate 604 is provided with a transmission gear shaft 605, two sides of the transmission gear shaft 605 are rotatably connected with the side surface of the inner wall of the groove 301, one end of the transmission gear shaft 605 is provided with a driven plate 606, and the bottom end of the driven plate 606 extends to the lower part of the movable base 3 and is fixedly connected with a positioning plate 607;

fixed shaft 608 fixedly connected to the inner side of groove 301 and penetrating through two sides of connecting arm 602, and limiting sliding grooves are formed in the position where connecting arm 602 contacts with fixed shaft 608;

one end of the driving plate 604 and the driven plate 606, which is close to the driving gear shaft 605, is provided with racks, and the two racks are meshed with the driving gear shaft 605;

the top of the movable base 3 is provided with a storage battery 5 through a bolt assembly, and the storage battery 5 is electrically connected with the display screen 1 through a wire.

In this embodiment: can be convenient for display device through universal wheel 4 carry out the position transfer, can provide working power supply for the work of display screen 1 through battery 5, after display device removes the assigned position, accessible foot extrudees footboard 601 downwards, footboard 601 can drive linking arm 602 and rotate with fixed axle 608 as the supporting point, its linking arm 602 can be along the guide way 302 inner wall downwardly moving, the other end of linking arm 602 passes through universal joint 603 can drive board 604 and upwards move, drive board 604 can promote driven board 606 downwardly moving through the transmission of rack, transmission tooth axle 605, driven board 606 drives locating plate 607 downwardly moving and laminating on the ground, frictional force through between locating plate 607 and the ground can guarantee that the device can not take place the displacement phenomenon, so realized display device's location operation, be different from traditional mode of fixing four universal wheels 4, its operation is simpler, convenient.

Referring to fig. 2 to 3, the outer walls of the driving plate 604 and the driven plate 606 are provided with T-shaped sliding blocks, and the inner walls of the grooves 301 are provided with T-shaped rail grooves for sliding the T-shaped sliding blocks.

In this embodiment: with this structure, the driving plate 604 and the driven plate 606 can be vertically moved up and down.

Referring to fig. 2 to 3, the vertical section of the driving plate 604 is in a 7-shaped structure, the top of the driving plate 604 is provided with a compression spring 609, and the top of the compression spring 609 is attached to the top of the inner wall of the groove 301;

the number of the compression springs 609 is multiple, the compression springs 609 are transversely and uniformly distributed on the top of the transmission plate 604, and the overall elasticity of the compression springs 609 is larger than the overall gravity of the parts such as the pedal 601, the connecting arm 602, the driven plate 606, the positioning plate 607 and the like;

the transverse section of the guide groove 302 is of an L-shaped structure, the width of the connecting arm 602 is matched with the width of the inner wall of the vertical part of the guide groove 302, the height of the connecting arm 602 is matched with the height of the inner wall of the transverse part of the guide groove 302, and transversely distributed anti-skid patterns are formed on the top of the pedal 601.

In this embodiment: in the process that the pedal 601 drives the connecting arm 602 to rotate downwards to drive the positioning plate 607 to move downwards, the transmission plate 604 can extrude the compression spring 609 to shrink, when the positioning plate 607 is attached to the ground, the connecting arm 602 moves from the bottom of the vertical part of the guide groove 302, then a horizontal thrust is given to the pedal 601, the connecting arm 602 is forced to move to the inside of the transverse part of the guide groove 302, at the moment, the top of the connecting arm 602 is limited, the extrusion of the pedal 601 can be released, at the moment, the positioning plate 601 can be kept at the height, and then stable positioning of the device is realized, when the attachment of the positioning plate 601 to the ground is required to be released, only the connecting arm 602 needs to be moved to the vertical part from the transverse part of the guide groove 302, at the moment, under the action of the compression spring 609, the transmission plate 604 can automatically reset and move downwards, so that the positioning plate 607 is lifted to be separated from the ground, and the following is required to be supplemented: the limiting sliding groove on the connecting arm 602 and the universal joint 603 can drive the driving plate 604 to move up and down in the process of up and down rotation of the connecting arm 602, and meanwhile, the connecting arm 602 can horizontally rotate.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a teaching video display device, includes display screen (1), support column (2), removes base (3) and universal wheel (4), its characterized in that, the bottom shaping of removing base (3) has recess (301), it runs through to inside guide way (302) of recess (301) to remove outer wall one end of base (3), the inside of recess (301), guide way (302) is provided with and is used for carrying out spacing fixed positioning mechanism (6) to remove base (3), positioning mechanism (6) include:

the pedal (601) is arranged at one external end of the movable base (3), one end of the pedal (601) is fixedly connected with a connecting arm (602), one end of the connecting arm (602) penetrates through the guide groove (302) to be connected with a universal connector (603) inside the groove (301), the other end of the universal connector (603) is fixedly connected with a transmission plate (604), one end of the transmission plate (604) is provided with a transmission tooth shaft (605), two sides of the transmission tooth shaft (605) are rotatably connected with the side surface of the inner wall of the groove (301), one end of the transmission tooth shaft (605) is provided with a driven plate (606), and the bottom end of the driven plate (606) extends to the lower part of the movable base (3) to be fixedly connected with a positioning plate (607);

fixed shaft (608) fixedly connected to the inner side of groove (301) and penetrating through two sides of connecting arm (602), and limiting sliding grooves are formed in the position where connecting arm (602) contacts with fixed shaft (608).

2. The teaching video display device according to claim 1, wherein racks are formed at one ends of the driving plate (604) and the driven plate (606) close to the driving gear shaft (605), and both racks are meshed with the driving gear shaft (605).

3. The teaching video display device according to claim 1, wherein the two sides of the outer walls of the driving plate (604) and the driven plate (606) are provided with T-shaped sliding blocks, and the two sides of the inner wall of the groove (301) are provided with T-shaped rail grooves for the T-shaped sliding blocks to slide.

4. The teaching video display device according to claim 1, wherein the vertical section of the transmission plate (604) is in a 7-shaped structure, a compression spring (609) is arranged at the top of the transmission plate (604), and the top of the compression spring (609) is attached to the top of the inner wall of the groove (301).

5. The teaching video display device according to claim 4, wherein a plurality of compression springs (609) are provided, the plurality of compression springs (609) are transversely and uniformly distributed on the top of the transmission plate (604), and the overall elasticity of the plurality of compression springs (609) is greater than the overall gravity of the pedal (601), the connecting arm (602), the driven plate (606) and the positioning plate (607).

6. The teaching video display device according to claim 1, wherein the transverse section of the guide groove (302) is of an L-shaped structure, the width of the connecting arm (602) is matched with the width of the inner wall of the vertical portion of the guide groove (302), the height of the connecting arm (602) is matched with the height of the inner wall of the transverse portion of the guide groove (302), and the top of the pedal (601) is provided with transversely distributed anti-skidding patterns.

7. The teaching video display device according to claim 1, wherein a storage battery (5) is mounted on the top of the movable base (3) through a bolt assembly, and the storage battery (5) is electrically connected with the display screen (1) through a wire.