CN206331616U - A kind of law teaching demo rack - Google Patents

Abstract

The embodiment of the utility model discloses a legal teaching demonstration stand, which comprises a support base, on which a second electric push rod is fixed; the end of the telescopic rod of the second electric push rod is fixedly provided with a writing board; The writing board is fixed with an electric projection screen; the writing board is fixed with a fixed clip seat; the fixed clip seat is fixed with a support rod; the support rod is fixed with a first electric push rod; The end of the telescopic rod of an electric push rod is fixedly provided with a projector facing the electric projection screen; four third electric push rods extending vertically are symmetrically arranged on the inner side wall of the support base; Rollers are installed on the lower end of the electric push rod; a control panel is arranged on the support base; a storage battery is arranged in the support base. The beneficial effects of the utility model are that it is convenient to use, convenient to move, high in stability and easy to maintain on the equipment set on the teaching and demonstration rack.

Description

A legal teaching demonstration stand

technical field

The utility model relates to the field of teaching demonstration racks, in particular to a law teaching demonstration rack.

Background technique

In the process of legal teaching, in order to combine the current multimedia teaching technology, to realize the reasonable setting of multimedia teaching equipment on the teaching demonstration stand, to facilitate integrated teaching and improve the teaching level, a legal teaching demonstration stand is generally used. At present The legal teaching demonstration stand has the problems of inconvenient use, inconvenient movement, low stability and inconvenient maintenance of multimedia equipment arranged on the teaching demonstration stand.

Utility model content

The utility model provides a legal teaching demonstration stand, which can solve the problem of inconvenient use, inconvenient movement, low stability and inconvenient maintenance of the current legal teaching demonstration stand in the prior art. Equipment problem.

The utility model provides a legal teaching demonstration stand, which comprises a support base, on which a second electric push rod is fixed; a writing board is fixedly arranged at the end of the telescopic rod of the second electric push rod; An electric projection screen is fixedly arranged on the board; a fixing clip seat is fixed on the writing board; a support rod is fixedly arranged on the fixing clip seat; a first electric push rod is fixed on the support rod; The end of the telescopic rod of the push rod is fixedly arranged with a projector facing the electric projection screen; four third electric push rods extending vertically are symmetrically arranged on the inner side wall of the support base; the third electric push rods The lower end of the rod is equipped with rollers; the support base is provided with a control panel; the support base is provided with a storage battery; the control panel is electrically connected to the storage battery; the first electric push rod, the second electric push rod Both the rod and the third electric push rod are electrically connected with the control panel.

Preferably, the rollers are universal wheels.

Preferably, the control panel is provided with a first switch button, a second switch button and a third switch button, and the first switch button is electrically connected to the first electric push rod, and the second switch button is connected to the The second electric push rod is electrically connected, and the third switch button is electrically connected with the third electric push rod.

In the embodiment of the present invention, a kind of legal teaching demonstration stand is provided, by symmetrically setting four third electric push rods on the inner side wall of the support base, and the end of the telescopic rod of the third electric push rods is fixedly connected with the roller, when When you need to move the legal teaching demonstration stand, you only need to press the third switch button on the control panel to start the third electric push rod, and when the third electric push rod drives the rollers to extend to the corresponding support position, press the third switch button Close the third electric push rod, and then move the legal teaching demonstration stand, making the movement convenient. After the movement is completed, press the third switch button again to start the third electric push rod, and the third electric push rod drives the rollers to shrink to In the groove set on the support base, the support base can play a supporting role, avoiding the phenomenon that the roller support is easy to slide, so that the stability performance is high, and it is convenient for mobile teaching; by setting the fixed clip seat on the writing board, the support rod One end is fixed on the fixing clip seat, and the first electric push rod is fixed on the other end of the support rod, and then the end of the telescopic rod of the first electric push rod fixes the projector. When the projector needs to be repaired, just press The first switch button on the control panel activates the first electric push rod, wherein the first electric push rod drives the projector to extend to a height convenient for maintenance, making the maintenance of the projector convenient; , not only the ordinary teaching mode but also the multimedia teaching mode can be carried out, and the second electric push rod is set to freely adjust the height of the writing board and the electric projection screen, which is convenient to improve the display effect of the legal teaching demonstration stand.

Description of drawings

Fig. 1 is a schematic structural diagram of a legal teaching demonstration frame provided by the utility model;

Fig. 2 is a schematic diagram of the installation of the storage battery, the third electric push rod, the rollers and the inner wall of the support base in a legal teaching demonstration frame provided by the present invention.

Explanation of reference numerals: 1-support base; 2-fixing clip seat; 3-support rod; 4-first electric push rod; Push rod; 9-control panel; 10-the third electric push rod; 11-roller; 12-battery.

detailed description

Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but should be understood that protection scope of the present utility model is not limited by specific embodiment.

As shown in Fig. 1 and Fig. 2, a kind of legal teaching demonstration frame provided by the embodiment of the present utility model comprises a support base 1, and a second electric push rod 8 is fixed on the support base 1; the second electric push rod 8 is fixedly provided with a writing board 7 at the end of the telescopic rod; the electric projection screen 6 is fixedly provided on the writing board 7; the fixed clamp seat 2 is fixed on the described writing board 7; Support rod 3; the first electric push rod 4 is fixed on the support rod 3; the telescopic rod end of the first electric push rod 4 is fixedly provided with a projector 5 facing the electric projection screen 6; the support Four third electric push rods 10 extending vertically are arranged symmetrically on the inner side wall of the base 1; rollers 11 are installed on the lower end of the third electric push rods 10; a control panel 9 is arranged on the support base 1; The support base 1 is provided with a battery 12; the control panel 9 is electrically connected to the battery 12; the first electric push rod 4, the second electric push rod 8 and the third electric push rod 10 are all connected to the The control panel 9 is electrically connected. What described roller 11 adopted is universal wheel. The control panel 9 is provided with a first switch button, a second switch button and a third switch button, and the first switch button is electrically connected with the first electric push rod 4, and the second switch button is connected with the second switch button. The electric push rod 8 is electrically connected, and the third switch button is electrically connected with the third electric push rod 10 .

Working principle: The legal teaching demonstration frame, by symmetrically setting four third electric push rods 10 on the inner side wall of the support base 1, and the end of the telescopic rod 10 of the third electric push rods 10 is fixedly connected with the roller 11, when it needs to move During the legal teaching demonstration stand, you only need to press the third switch button on the control panel 9 to start the third electric push rod 10, and when the third electric push rod 10 drives the roller 11 to extend to the corresponding supporting position, press the third The switch button closes the third electric push rod 10, and then moves the legal teaching demonstration frame, so that the mobile is convenient to use. After the movement is completed, press the third switch button again to start the third electric push rod 10, and the third electric push rod wherein 10 Drive the roller 11 to shrink into the groove provided on the support base 1, so that the support base 1 plays a supporting role, avoiding the phenomenon that the support of the roller 11 is easy to slide, making the stable performance high, and convenient for mobile teaching; Set the fixed clip seat 2 on the top, fix one end of the support rod 3 on the fixed clip seat 2, and fix the first electric push rod 4 at the other end of the support rod 3, and then fix the telescopic rod end of the first electric push rod 4 Projector 5, when the projector 5 needs to be maintained, only need to press the first switch button on the control panel 9 to start the first electric push rod 4, wherein the first electric push rod 4 drives the projector 5 to extend to facilitate The height of the maintenance makes the maintenance of the projector 5 convenient; by setting the writing board 7 and the electric projection screen 6 at the same time, not only the ordinary teaching mode but also the multimedia teaching mode can be carried out, and the second electric push rod 8 provided is free Regulating the height of the writing board 7 and the electric projection screen 6 is convenient to improve the display effect of the legal teaching demonstration stand.

The above disclosures are only specific embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present utility model.

Claims (3)

1. A legal teaching demonstration frame, comprising a support base (1), is characterized in that: a second electric push rod (8) is fixed on the support base (1); the second electric push rod (8) A writing board (7) is fixedly arranged at the end of the telescopic rod; an electric projection screen (6) is fixedly arranged on the writing board (7); a fixing clip seat (2) is fixed on the writing board (7); A support rod (3) is fixedly arranged on the fixing clamp seat (2); a first electric push rod (4) is fixed on the support rod (3); the telescopic rod end of the first electric push rod (4) A projector (5) facing the electric projection screen (6) is fixedly arranged; four third electric push rods (10) extending vertically are symmetrically arranged on the inner side wall of the support base (1); The lower end of the third electric push rod (10) is equipped with a roller (11); the support base (1) is provided with a control panel (9); the support base (1) is provided with a storage battery (12); the The control panel (9) is electrically connected to the battery (12); the first electric push rod (4), the second electric push rod (8) and the third electric push rod (10) are all connected to the control The panel (9) is electrically connected. 2. A law teaching demonstration frame as claimed in claim 1, characterized in that, said rollers (11) are universal wheels. 3. A kind of law teaching demonstration frame as claimed in claim 1, is characterized in that, described control panel (9) is provided with first switch button, second switch button and the 3rd switch button, and described first The switch button is electrically connected to the first electric push rod (4), the second switch button is electrically connected to the second electric push rod (8), and the third switch button is connected to the third electric push rod. The push rod (10) is electrically connected.