CN219303164U

CN219303164U - Demonstration teaching aid

Info

Publication number: CN219303164U
Application number: CN202222076679.5U
Authority: CN
Inventors: 王丽红; 张平
Original assignee: Beijing Polytechnic
Current assignee: Beijing Polytechnic
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-07-04
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a display teaching aid, which comprises a movable base and a wiping device, wherein the upper end of the movable base is provided with a lifting device, the upper end of the lifting device is rotatably provided with a display panel, the display panel comprises an electronic display screen and a display board for writing, the wiping device comprises rollers which are arranged on the surface of the display board in a sliding manner, the length of each roller is matched with the width of the display board, and the sliding direction of each roller is the same as the length direction of the display board. According to the utility model, the display panel can be used for adjusting the position, the height and the direction, so that the display panel is beneficial to omnibearing teaching display; in addition, the display panel combines two display modes of an electronic display screen and a display board, and the roller slides on the surface of the display board, so that the surface of the display board can be wiped, the display board can be cleaned conveniently, and the teaching efficiency can be improved.

Description

Demonstration teaching aid

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a display teaching aid.

Background

The teaching aid is used as a teaching aid for teachers, has the irreplaceable effect of other means, can be used as an auxiliary tool no matter which subjects, and can be truly brought into the teaching process by the teachers according to the needs, so that the teachers can select and timely use the teaching aid, the learning interest of students can be stimulated, the teaching key points are highlighted, the teaching difficulty is broken through, and the teaching quality and efficiency are improved.

However, the current display teaching aid has single structure and function, and cannot provide convenience for teacher teaching; most inconvenient position, altitude and the upward adjustment of direction are carried out to demonstration teaching aid at present, and its show board is writing the back, need use the piece of wiping to clean, and efficiency is extremely low, is unfavorable for improving teaching efficiency.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a display teaching aid for omnibearing teaching display.

In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:

provided is a display teaching aid, which comprises:

the upper end of the movable base is provided with a lifting device;

the display panel is rotatably arranged at the upper end of the lifting device and comprises an electronic display screen and a display board for writing;

the wiping device comprises a roller which is arranged on the surface of the display board in a sliding way, the length of the roller is matched with the width of the display board, and the sliding direction of the roller is the same as the length direction of the display board.

The beneficial effects of adopting above-mentioned technical scheme are: the movable base is used for adjusting the position of the display panel, the lifting device is used for adjusting the height of the display panel, the display panel can rotate at the upper end of the lifting device, the direction of the display panel is convenient to adjust, and the display of omnibearing teaching is facilitated through the adjustment of the position, the height and the direction;

in addition, electronic display screen and show board combine together, have increased the mode of teaching show, and the roller is through sliding at show board surface, can clean show board surface to the convenience is with show board clean up, is favorable to improving teaching efficiency.

Further, the wiping device further comprises a rotation driving mechanism arranged at one end of the display board, a screw rod is fixedly arranged at the output end of the rotation driving mechanism, a screw rod nut is arranged on the screw rod, the screw rod nut is connected with the roller, and the length direction of the screw rod is the same as the length direction of the display board; the rotation driving mechanism drives the screw rod to rotate so as to drive the screw rod nut to move on the screw rod, and therefore the rollers are driven to slide along the length direction of the display board.

Further, a sliding groove is formed in one end, far away from the screw rod and the screw rod, of the display board, a sliding block is arranged at one end, far away from the screw rod and the screw nut, of the roller, and the sliding block is arranged in the sliding groove in a sliding manner; the sliding groove provides a sliding track for the roller to slide and limits one end of the roller, so that the roller and the screw nut are prevented from rotating along with the screw rod.

Further, a fixed rod is fixedly arranged on the screw nut, and a roller is fixedly arranged on the fixed rod; the roller is mounted on the screw nut by a fixed rod.

Further, the display board is provided with an installation box for installing the screw rod and the screw rod nut, so that the screw rod and the screw rod nut are isolated from the outside, and the influence of the operation of the screw rod and the screw rod nut on the outside is avoided; the sound-proof cover is arranged outside the rotation driving mechanism to avoid noise generated by the rotation driving mechanism from affecting teaching.

Further, the lifting device comprises a plurality of linear driving mechanisms vertically arranged on the movable base, and the output end of each linear driving mechanism is provided with a supporting plate; the linear driving mechanism generates linear motion in the vertical direction so as to lift the display panel; several linear drive mechanisms may provide multiple points of support to improve stability.

Further, the upper end of backup pad is provided with the sleeve, and display panel's lower extreme is provided with the dwang, and the dwang rotates to set up in the sleeve, and display panel passes through the dwang and rotates to set up in the sleeve of elevating gear top.

Further, the output end of the linear driving mechanism is sleeved with a buffer spring so as to improve the stability of the lifting process.

Further, the universal wheels are arranged at the lower end of the movable base, so that the movable base can be conveniently moved in multiple directions.

Drawings

Fig. 1 is a schematic diagram showing the structure of a teaching aid;

wherein, 1, universal wheels, 2, a movable base, 3, a linear driving mechanism, 4, a buffer spring, 5, a supporting plate, 6, a sleeve, 7, a rotating rod, 8, a chute, 9, a sliding block, 10, a roller, 11 and a fixed rod, 12, a sound insulation cover, 13, a rotation driving mechanism, 14, a screw nut, 15, a screw rod, 16, a mounting box, 17, a display board, 18, an electronic display screen, 19, a functional panel, 20 and a power supply wiring.

Detailed Description

The following description of the embodiments of the present utility model is provided to facilitate understanding of the present utility model by those skilled in the art, but it should be understood that the present utility model is not limited to the scope of the embodiments, and all the utility models which make use of the inventive concept are protected by the spirit and scope of the present utility model as defined and defined in the appended claims to those skilled in the art.

As shown in fig. 1, the present solution provides a display teaching aid, which includes:

a lifting device is arranged at the upper end of the movable base 2;

a display panel rotatably provided at an upper end of the elevating device and including an electronic display screen 18 and a display board 17 for writing;

the wiping device comprises a roller 10 which is arranged on the surface of the display board 17 in a sliding way, the length of the roller 10 is matched with the width of the display board 17, and the sliding direction of the roller 10 is the same as the length direction of the display board 17;

wherein, a sponge layer can be arranged outside the roller 10 to improve the wiping effect; the electronic display 18 is provided with a functional panel 19 on the side surface, and the bottom end of the electronic display 18 is provided with a power wiring 20.

The movable base 2 is used for adjusting the position of the display panel, the lifting device is used for adjusting the height of the display panel, the display panel can rotate at the upper end of the lifting device, the direction of the display panel is convenient to adjust, and the display of omnibearing teaching is facilitated through the adjustment of the position, the height and the direction;

in addition, electronic display screen 18 combines together with show board 17, has increased the mode of teaching show, and roller 10 through at show board 17 surface slip, can clean show board 17 surface to the convenience is with show board 17 clean up, is favorable to improving teaching efficiency.

When the scheme is implemented, the optimized wiping device further comprises a rotation driving mechanism 13 arranged at one end of the display plate 17, a screw rod 15 is fixedly arranged at the output end of the rotation driving mechanism 13, a screw rod nut 14 is arranged on the screw rod 15, the screw rod nut 14 is connected with the roller 10, and the length direction of the screw rod 15 is the same as the length direction of the display plate 17; the rotation driving mechanism 13 drives the screw rod 15 to rotate so as to drive the screw nut 14 to move on the screw rod 15, thereby driving the roller 10 to slide along the length direction of the display board 17; wherein, the rotation driving mechanism 13 can be a servo motor.

In one embodiment of the utility model, the end of the display board 17 far away from the screw rod 15 is provided with a chute 8, the end of the roller 10 far away from the screw nut 14 is provided with a slide block 9, and the slide block 9 is arranged in the chute 8 in a sliding way; the chute 8 provides a sliding track for the roller 10 to slide and limits one end of the roller 10 from rotating with the lead screw 15 by the roller 10 and the lead screw nut 14.

In the design, in the scheme, a fixed rod 11 is fixedly arranged on a screw nut 14, and a roller 10 is fixedly arranged on the fixed rod 11; the roller 10 is mounted on a lead screw nut 14 by a fixing rod 11.

In implementation, the preferred display board 17 is provided with the installation box 16 for installing the screw rod 15 and the screw rod nut 14, so that the screw rod 15 and the screw rod nut 14 are isolated from the outside, the operation of the screw rod 15 and the screw rod nut 14 is prevented from influencing the outside, and one end of the screw rod 15 far away from the rotation driving mechanism 13 is installed on the installation box 16 through a bearing; the sound-proof cover 12 is arranged outside the rotation driving mechanism 13 to avoid noise generated by the rotation driving mechanism 13 from affecting teaching.

In one embodiment of the utility model, the lifting device comprises a plurality of linear driving mechanisms 3 vertically arranged on the movable base 2, and the output end of each linear driving mechanism 3 is provided with a supporting plate 5; the linear driving mechanism 3 generates linear motion in the vertical direction so as to lift the display panel; the linear driving mechanisms 3 can provide a plurality of supporting points so as to improve stability; wherein the linear driving mechanism 3 may be a hydraulic cylinder.

When designing, the upper end of this scheme prefers backup pad 5 is provided with sleeve 6, and display panel's lower extreme is provided with dwang 7, and dwang 7 rotates and sets up in sleeve 6, and display panel passes through dwang 7 rotation setting in the sleeve 6 of elevating gear top.

In implementation, the output end of the linear driving mechanism 3 is preferably sleeved with a buffer spring 4, so that stability of the lifting process is improved.

In one embodiment of the utility model, the universal wheel 1 is arranged at the lower end of the movable base 2, so that the movable base 2 can conveniently move in multiple directions; wherein, the universal wheel 1 is provided with a brake.

In summary, the display panel in the scheme can adjust the position, the height and the direction, and is favorable for omnibearing teaching display; in addition, the display panel combines two display modes of the electronic display screen 18 and the display board 17, and the display panel is mechanically cleaned, so that the teaching efficiency is improved.

Claims

1. A display teaching aid, comprising:

a lifting device is arranged at the upper end of the movable base (2);

the display panel is rotatably arranged at the upper end of the lifting device and comprises an electronic display screen (18) and a display board (17) for writing;

the wiping device comprises a roller (10) which is arranged on the surface of the display board (17) in a sliding way, the length of the roller (10) is matched with the width of the display board (17), and the sliding direction of the roller (10) is the same as the length direction of the display board (17);

the wiping device further comprises a rotation driving mechanism (13) arranged at one end of the display plate (17), a screw rod (15) is fixedly arranged at the output end of the rotation driving mechanism (13), a screw rod nut (14) is arranged on the screw rod (15), the screw rod nut (14) is connected with the roller (10), and the length direction of the screw rod (15) is identical to the length direction of the display plate (17).

2. The display teaching aid according to claim 1, characterized in that a chute (8) is arranged at one end of the display board (17) far away from the screw rod (15), a sliding block (9) is arranged at one end of the roller (10) far away from the screw rod nut (14), and the sliding block (9) is arranged in the chute (8) in a sliding manner.

3. The display teaching aid according to claim 1, wherein a fixing rod (11) is fixedly arranged on the screw nut (14), and the roller (10) is fixedly arranged on the fixing rod (11).

4. The display teaching aid according to claim 1, characterized in that a mounting box (16) for mounting a screw rod (15) and a screw nut (14) is arranged on the display board (17), and a sound-proof housing (12) is arranged outside the rotation driving mechanism (13).

5. The display teaching aid according to claim 1, characterized in that the lifting device comprises a plurality of linear driving mechanisms (3) vertically arranged on the movable base (2), and the output end of each linear driving mechanism (3) is provided with a supporting plate (5).

6. The display teaching aid according to claim 5, wherein a sleeve (6) is arranged at the upper end of the supporting plate (5), a rotating rod (7) is arranged at the lower end of the display panel, and the rotating rod (7) is rotatably arranged in the sleeve (6).

7. The display teaching aid according to claim 5, characterized in that the output end of the linear driving mechanism (3) is sleeved with a buffer spring (4).

8. The display teaching aid according to claim 1, characterized in that the lower end of the mobile base (2) is provided with a universal wheel (1).