CN107390816A - A kind of MCAI switching device - Google Patents

Abstract

The invention discloses a multimedia computer-aided teaching switching device, which comprises a disk, the surface of the disk is provided with eight through holes at equal angles along its central axis, and the upper surface of the disk corresponding to the through holes is fixed with a card through a rotating shaft. Block, the middle position of the upper surface of the disc is connected with the lower end of the column through the bearing, the upper end of the column is fixedly connected with the left end of the telescopic rod arranged horizontally, and a limit device is installed on the side lower part of the column, and the limit device includes the first sleeve , the inner wall of the first sleeve is slidingly connected to the outer side of the column, the lower part of the outer side of the column is fixed with a limit bar, and the limit bar is slidingly connected with the card slot on the inner wall of the first sleeve. This multimedia computer-aided teaching switching device avoids joints Putting them together will affect the use; the connectors of the same device pass through the same through hole, the connectors can be easily distinguished, and the wrong connector will not be found; the clamping plate fixes the connector under the action of the reset device to prevent the connector from falling out of the through hole.

Description

A Multimedia Computer Aided Teaching Switching Device

technical field

The invention relates to the technical field of multimedia assisted teaching, in particular to a switching device for multimedia computer assisted teaching.

Background technique

Multimedia teaching not only needs to use ordinary desktop computers and notebook computers, but due to the needs of teaching, TV sets, DVD players, LCD touch screens, projectors, tablet computers and other equipment may be used in multimedia teaching. Many, it is difficult for teachers or staff to distinguish the joints; the joints are easy to get entangled when put together, which is not beautiful and affects the use.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the existing defects and provide a multimedia computer-aided teaching switching device, which can prevent the joints from being entangled together and affect the use; It can find wrong joints; the clamping board fixes the joints under the function of the reset device, preventing the joints from falling off from the through holes, which can effectively solve the problems in the background technology.

In order to achieve the above object, the present invention provides the following technical solutions: a multimedia computer-aided teaching switching device, including a disc, the surface of the disc is provided with eight through holes at equal angles along its central axis, and the discs corresponding to the through holes The upper surface of the disc is fixed with a block through the rotating shaft, and the upper surface of the block is bonded with a sticky note. The middle position of the upper surface of the disc is connected with the lower end of the column through a bearing. The upper end of the column is fixedly connected with the left end of the horizontally arranged telescopic rod. A limiting device is installed on the lower part of the side, and the end of the upper surface of the card plate close to the bearing is connected with the upper surface of the disc through the reset device.

As a preferred technical solution of the present invention, the limiting device includes a first sleeve, the inner wall of the first sleeve is slidably connected to the outer surface of the column, the lower part of the outer surface of the column is fixed with a limit strip, and the limit strip and the second The slot on the inner wall of the sleeve is connected slidingly, the outer surface of the first sleeve is fixedly connected to one end of the L-shaped plate, the other end of the L-shaped plate is slidingly connected to the upper surface of the disc, and the corresponding end of the disc is connected to the L-shaped plate. A fixed block is fixed on the upper surface.

As a preferred technical solution of the present invention, the reset device includes a first upright rod and a second upright rod, the lower end of the first upright rod is fixedly connected to the upper surface of the disk, the side of the first upright rod and the second set The inner wall of the tube is slidingly connected, the lower end of the second vertical rod is fixedly connected to the upper surface of the clamp, the outer side of the second vertical rod is slidingly connected to the inner wall of the third sleeve, and the outer side of the second sleeve is connected to the third sleeve. The outer sides are connected by springs.

As a preferred technical solution of the present invention, the distance between the second vertical rod and the first vertical rod is smaller than the distance between the rotating shaft and the first vertical rod.

As a preferred technical solution of the present invention, the right end of the telescopic rod is fixedly connected to the flange.

Compared with the prior art, the beneficial effects of the present invention are: the multimedia computer-aided teaching switching device prevents joints from being entangled together and affects use; Wrong joints; the clamping plate fixes the joints under the action of the reset device to prevent the joints from falling off from the through holes.

Description of drawings

Fig. 1 is a schematic diagram of the main view structure of the present invention;

Fig. 2 is the enlarged schematic diagram of structure at B place of the present invention;

Fig. 3 is an enlarged schematic diagram of the structure at A of the present invention.

In the figure: 1 sticky note, 2 telescopic rod, 3 flange, 4 column, 5 guide bar, 6 clamping plate, 7 limit device, 71 fixed block, 72 L-shaped plate, 73 first casing, 74 limit bar, 8 Reset device, 81 the second sleeve pipe, 82 the first vertical rod, 83 springs, 84 the third sleeve pipe, 85 the second vertical rod, 9 discs, 10 bearings, 11 through holes, 12 rotating shafts.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-3, the present invention provides a technical solution: a multimedia computer-aided teaching switching device, including a disk 9, the surface of the disk 9 is provided with eight through holes 11 at equal angles along its central axis, and through The hole 11 corresponds to the upper surface of the disc 9, and the block 6 is fixed through the rotating shaft 12. The upper surface of the block 6 is bonded with a sticky note 1. The joints of the same device pass through the same through hole 11, and the joints are easily distinguished, and no wrong joints can be found. , the middle position of the upper surface of the disc 9 is connected with the lower end of the column 4 through the bearing 10, the disc 9 can rotate, the upper end of the column 4 is fixedly connected with the left end of the telescopic rod 2 arranged horizontally, and the right end of the telescopic rod 2 is connected with the flange 3 Fixedly connected, the lower side of the column 4 is equipped with a limit device 7, the limit device 7 includes a first sleeve 73, the inner wall of the first sleeve 73 is slidingly connected to the outer surface of the column 4, and the lower outer surface of the column 4 is fixed and limited Bar 74, the limit bar 74 is slidingly connected with the draw-in groove on the inner wall of the first sleeve 73, the outer surface of the first sleeve 73 is fixedly connected with one end of the L-shaped plate 72, and the other end of the L-shaped plate 72 is connected with the disk 9 The upper surface of the disc 9 is slidingly connected with the L-shaped plate 72. The upper surface of the disc 9 is fixed with a fixed block 71. The limit device 7 restricts the disc 9 to only rotate once, preventing the disc 9 from rotating too many times to make the lower end of the joint The wires are entangled together, and the upper surface of the card plate 6 is connected to the upper surface of the disc 9 through the reset device 8 near the end of the bearing 10. The reset device 8 includes a first vertical rod 82 and a second vertical rod 85. The first vertical rod The lower end of 82 is fixedly connected with the upper surface of disc 9, the side of the first vertical rod 82 is slidably connected with the inner wall of the second sleeve 81, the lower end of the second vertical rod 85 is fixedly connected with the upper surface of clamping plate 6, and the second The outer surface of the vertical rod 85 is slidably connected with the inner wall of the third sleeve 84, the outer surface of the second sleeve 81 is connected with the outer surface of the third sleeve 84 by a spring 83, the second vertical rod 85 is connected with the first vertical rod 82 The distance between the rotating shaft 12 and the first vertical rod 82 is smaller than the distance between the rotating shaft 12 and the first vertical rod 82. The clamping plate 6 fixes the joint under the action of the reset device 8 to prevent the joint from falling off from the through hole 11. This multimedia computer-aided teaching switching device prevents the joints from being entangled together. affect the use together.

When in use: the flange 3 is fixed in the chassis of the multimedia host by external screws, the disc 9 is located on the side of the wiring port of the multimedia host, adjust the telescopic rod 2 to adjust the position of the disc 9, and turn the clamp 6 to belong to the same device The connectors of the connectors pass through the same through hole 11, and the clamping plate 6 is reset under the action of the reset device 8 to fix the connectors belonging to the same device. When it is necessary to replace the connectors at the interface of the multimedia host, remove the connectors in the connected state , rotate the disk 9, so that the joint to be connected is forwarded to the interface of the multimedia host, and the joint to be connected is connected to the interface of the multimedia host.

The present invention prevents the joints from being entangled together and affects the use; the joints of the same equipment pass through the same through hole 11, the joints are easily distinguished, and the wrong joints cannot be found; the clamping plate 6 fixes the joints under the action of the reset device 8, preventing The connector comes off from the through hole 11.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of MCAI switching device, including disk (9), it is characterised in that：The table of the disk (9) Face angularly offers eight through holes (11) along its center axis, and the upper surface of disk (9) corresponding with through hole (11) passes through rotating shaft (12) fixture block (6) is fixed with, the upper surface of fixture block (6) is bonded with note (1), and the upper surface centre position of disk (9) passes through axle The lower end that (10) are held with column (4) is connected, and the upper end of column (4) is fixedly connected with the left end of horizontally disposed expansion link (2), is stood The side lower of post (4) is provided with stopping means (7), and the upper surface of clamp (6) is filled close to one end of bearing (10) by resetting The upper surface that (8) are put with disk (9) connects.

A kind of 2. MCAI switching device according to claim 1, it is characterised in that：It is described spacing Device (7) includes first sleeve (73), and the inwall of first sleeve (73) and the lateral surface of column (4) are slidably connected, column (4) Lateral surface bottom is fixed with positive stop strip (74), and the neck on positive stop strip (74) and first sleeve (73) inwall is slidably connected, and first The lateral surface of sleeve pipe (73) is fixedly connected with one end of L shaped plate (72), the other end of L shaped plate (72) and the upper surface of disk (9) It is slidably connected, the upper surface of disk (9) corresponding with L shaped plate (72) is fixed with fixed block (71).

A kind of 3. MCAI switching device according to claim 1, it is characterised in that：The reset Device (8) includes the first vertical rod (82) and the second vertical rod (85), and the lower end of the first vertical rod (82) and the upper surface of disk (9) are fixed Connection, the side of the first vertical rod (82) and the inwall of the second sleeve pipe (81) are slidably connected, the lower end of the second vertical rod (85) and clamp (6) upper surface is fixedly connected, and the inwall of the lateral surface of the second vertical rod (85) and the 3rd sleeve pipe (84) is slidably connected, the second sleeve pipe (81) lateral surface and the lateral surface of the 3rd sleeve pipe (84) is connected by spring (83).

A kind of 4. MCAI switching device according to claim 3, it is characterised in that：Described second The distance of vertical rod (85) and the first vertical rod (82) is less than the distance of rotating shaft (12) and the first vertical rod (82).

A kind of 5. MCAI switching device according to claim 1, it is characterised in that：It is described flexible The right-hand member of bar (2) is fixedly connected with flange (3).