CN211264604U

CN211264604U - Teaching demonstration device

Info

Publication number: CN211264604U
Application number: CN201822251794.5U
Authority: CN
Inventors: 丁可
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2020-08-14
Anticipated expiration: 2028-12-29

Abstract

The utility model relates to the technical field of teaching demonstration, in particular to a teaching demonstration device, a cushion pad is fixedly arranged on a mounting rack, a U-shaped bracket is arranged below the mounting bracket, the opening of the U-shaped bracket is welded on the mounting bracket, the lower end of the U-shaped bracket is provided with a through hole, the top end of the screw rod extends to the inside of the U-shaped bracket, a first bearing seat is fixedly arranged below the U-shaped bracket and can rotate on the U-shaped bracket, a nut is fixedly arranged on the first bearing block, a screw rod is connected with the internal thread of the nut, a second bearing block is arranged at the lower end of the screw rod, the second bearing block is fixedly arranged on the universal wheel, the back of the demonstration board is symmetrically provided with hanging rings, the link is located the top of demonstration board, the back of demonstration board is provided with multiunit damper. The utility model discloses rational in infrastructure, the design is simple, can play very big demonstration effect in the teaching field.

Description

Teaching demonstration device

Technical Field

The utility model relates to a teaching demonstration technical field especially relates to a teaching presentation device.

Background

In teaching, a demonstration device is usually needed to be adopted to enable students to understand a certain phenomenon or a certain theorem more impressively so as to help the students to learn new knowledge, the improvement of learning scores of the students is facilitated, the interest of the students in learning is cultivated, the existing demonstration device is too old, and is not suitable for modern teaching concepts, and therefore the demonstration device suitable for modern teaching is needed to help the students to learn scientific knowledge better.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the demonstration device is difficult to carry and move in the prior art, and providing a teaching demonstration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a teaching demonstration device is designed, comprising a mounting rack and a demonstration board, wherein the demonstration board is placed on the mounting rack through a sliding mechanism, linear grooves are formed in two sides of the mounting rack, a cushion pad is fixedly mounted on the mounting rack, a U-shaped support is mounted below the mounting rack, the opening of the U-shaped support is welded on the mounting rack, a through hole is formed in the lower end of the U-shaped support, a screw rod penetrates through the through hole, the top end of the screw rod extends into the U-shaped support, a first bearing seat is fixedly mounted below the U-shaped support and can rotate on the U-shaped support, a nut is fixedly mounted on the first bearing seat, the screw rod is in threaded connection with the nut, a second bearing seat is mounted at the lower end of the screw rod and is fixedly mounted on a universal wheel, and a hanging ring is mounted on the back surface of the demonstration board in a symmetrical mode, the link is located the top of demonstration board, the back of demonstration board is provided with multiunit damper.

Preferably, the sliding mechanism comprises a sliding groove arranged in the linear groove and sliding blocks welded on two sides below the demonstration plate, and the sliding blocks are slidably mounted on the sliding groove.

Preferably, damper includes the telescopic link of welding at the demonstration board back, the outside cover of telescopic link is equipped with the spring, the other end welding of telescopic link has the stopper.

Preferably, the demonstration board is a liquid crystal screen, and the cushion is made of a rubber material.

The utility model provides a pair of teaching presentation device, beneficial effect lies in: this presentation device is through being provided with the universal wheel, can accomplish the benefit of being convenient for to remove, when the demonstration, through rotating the nut to can adjust the height of demonstration board, when the demonstration needs, can go down the demonstration board, hang on the blackboard, come to play the guard action to the demonstration board through damper.

Drawings

Fig. 1 is the utility model provides a teaching demonstration device's schematic structure diagram.

Fig. 2 is a top view of the teaching demonstration device provided by the utility model.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: the device comprises a mounting frame 1, a demonstration board 2, a U-shaped support 3, a first bearing seat 4, a nut 5, a second bearing seat 6, a through hole 7, a screw 8, a cushion pad 9, a linear groove 10, a sliding groove 11, a sliding block 12, a telescopic rod 13, a spring 14, a limiting block 15, a hanging ring 16 and a universal wheel 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a teaching presentation device, including mounting bracket 1 and demonstration board 2, demonstration board 2 is LCD screen, can demonstrate the courseware that makes in advance, demonstration board 2 places on mounting bracket 1 through slide mechanism, slide mechanism is including seting up spout 11 and the slider 12 of welding in demonstration board 2 below both sides in linear recess 10, slider 12 slidable mounting is on spout 11, demonstration board 2 is put on mounting bracket 1, can be when needs, take off demonstration board 2, hang it on the wall or other positions, linear recess 10 has been seted up to mounting bracket 1 both sides, through swivel nut 5, can highly adjust demonstration board 2, conveniently watch the demonstration.

The installation frame 1 is fixedly provided with the buffer cushion 9, the buffer cushion 9 is made of rubber materials, the demonstration board 2 cannot be damaged, the safety of the demonstration board 2 is effectively protected, the U-shaped support 3 is arranged below the installation frame 1, the opening of the U-shaped support 3 is welded on the installation frame 1, the lower end of the U-shaped support 3 is provided with the through hole 7, a screw 8 penetrates through the through hole 7, the top end of the screw 8 extends into the U-shaped support 3, a first bearing seat 4 is fixedly arranged below the U-shaped support 3, the first bearing seat 4 can rotate on the U-shaped support 3, when swivel nut 5 to reach the effect that risees demonstration board 2, fixed mounting has nut 5 on the first bearing

frame

4, and 5 threaded connection of nut has screw rod 8, and second bearing frame 6 is installed to the lower extreme of screw rod 8, and screw rod 8 can rotate when swivel nut 5 for adjust the height of demonstration board 2.

Second bearing frame 6 fixed mounting is on universal wheel 17, display board 2's back symmetry installs link 16, link 16 is located display board 2's top, when taking off display board 2, link 16 person of facilitating the use hangs it on wall or other positions, display board 2's the back is provided with multiunit damper, damper includes the telescopic link 13 of welding at display board 2 back, telescopic link 13 includes a sleeve pipe and an inserted bar, the inserted bar is inserted in the sleeve pipe, thereby realize flexible effect, the outside cover of telescopic link 13 is equipped with spring 14, the other end welding of telescopic link 13 has stopper 15, when display board 2 hangs on the wall, display board 2's below can collide with each other with the wall, in order to avoid the collision damage display board 2, consequently, it brings the damage to the device to set up damper to slow down the collision.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a teaching presentation device, includes mounting bracket (1) and demonstration board (2), demonstration board (2) are placed on mounting bracket (1) through slide mechanism, its characterized in that: the improved U-shaped support is characterized in that linear grooves (10) are formed in two sides of the mounting frame (1), a cushion pad (9) is fixedly mounted on the mounting frame (1), a U-shaped support (3) is mounted below the mounting frame (1), an opening of the U-shaped support (3) is welded on the mounting frame (1), a through hole (7) is formed in the lower end of the U-shaped support (3), a screw rod (8) penetrates through the through hole (7), the top end of the screw rod (8) extends into the U-shaped support (3), a first bearing seat (4) is fixedly mounted below the U-shaped support (3), the first bearing seat (4) can rotate on the U-shaped support (3), a nut (5) is fixedly mounted on the first bearing seat (4), the screw rod (8) is connected with an internal thread, a second bearing seat (6) is mounted at the lower end of the screw rod (8), second bearing frame (6) fixed mounting is on universal wheel (17), link (16) are installed to the back symmetry of demonstration board (2), link (16) are located the top of demonstration board (2), the back of demonstration board (2) is provided with multiunit damper.

2. An instructional presentation device according to claim 1, wherein: slide mechanism is including offering spout (11) in linear recess (10) and welding slider (12) in demonstration board (2) below both sides, slider (12) slidable mounting is on spout (11).

3. An instructional presentation device according to claim 1, wherein: damper is including welding telescopic link (13) at demonstration board (2) back, the outside cover of telescopic link (13) is equipped with spring (14), the other end welding of telescopic link (13) has stopper (15).

4. An instructional presentation device according to claim 1, wherein: the demonstration board (2) is a liquid crystal screen, and the cushion pad (9) is made of rubber materials.