CN213365812U

CN213365812U - Visual transmission teaching aid

Info

Publication number: CN213365812U
Application number: CN202021776538.9U
Authority: CN
Inventors: 杨漫丽; 王丽君; 丁楠
Original assignee: Pingdingshan University
Current assignee: Pingdingshan University
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-06-04
Anticipated expiration: 2030-08-21

Abstract

The utility model provides a visual transmission teaching aid, four automatic lifting devices are respectively arranged at four vertex angle positions on the upper surface of a base layer bottom plate, each automatic lifting device comprises a limiting shaft, a circular groove is arranged on the outer wall of each limiting shaft, sleeves are respectively arranged at two ends of each limiting shaft, one end of each sleeve, which is far away from the limiting shaft, is respectively provided with a fixed shaft, one end of each fixed shaft, which is far away from the sleeve shaft, is respectively connected with the upper surface of the base layer bottom plate and the lower surface of a middle partition plate, one end of each sleeve, which is close to the middle partition plate, is provided with a locking component, each locking component comprises an electric box, each electric box is fixed on the outer wall of the sleeve, one side of the inner wall of each electric box is provided with a main electromagnet, the outer wall of each main electromagnet is provided, the height of the display is stably controlled, and the teaching quality is greatly improved.

Description

Visual transmission teaching aid

Technical Field

The utility model relates to a technical field that vision was conveyed specifically is a vision conveys teaching aid.

Background

The traditional teaching "chalk + blackboard" gives information which is planar image and monotonous sound, blackboard writing wastes a large amount of time and is not necessarily standard, visual transmission teaching tools are generally used in a mode of "interactive courseware + flexible lecture notes", some functions which are visual and incomparable to other teaching means such as dynamic demonstration and the like are visually presented, the phenomenon of things is visually presented, the development process of things is specifically expressed, in the existing visual transmission teaching tools, the technical structure of application file CN201922121856.5 comprises a writing board, a sleeve case is sleeved on the outer surface of the writing board, a rotating rod is fixedly connected at the bottom of the writing board, a sliding plate is rotatably connected at the bottom of the rotating rod through a rotating shaft, iron blocks which are obliquely arranged are embedded at the two sides of the sliding plate, two groups of chutes are arranged at the two sides of the sleeve case, the two sides of the sleeve case are rotatably connected with the rotating plate through the rotating shaft, the top of the rotating plate is fixedly connected with a magnet, and the magnet can be simply moved but is integrated too much, so that a visual transmission teaching tool capable of stably controlling the height of the display is required to be developed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a visual transmission teaching aid for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a visual transmission teaching aid comprises a base layer bottom plate, wherein four automatic lifting devices are respectively installed at four vertex angle positions of the upper surface of the base layer bottom plate, each automatic lifting device comprises a limiting shaft, a circular groove is formed in the outer wall of each limiting shaft, sleeves are respectively arranged at two ends of each limiting shaft, one end, far away from the limiting shaft, of each sleeve is respectively provided with a fixed shaft, one end, far away from the sleeve, of each fixed shaft is respectively connected with the upper surface of the base layer bottom plate and the lower surface of a middle partition plate, one end, close to the middle partition plate, of each sleeve is provided with a locking assembly, each locking assembly comprises an electric box, each electric box is fixed on the outer wall of each sleeve, one side of the inner wall of each electric box is provided with a main electromagnet, the outer wall of each main electromagnet is provided with an extension spring, and a switch is arranged on the other side of the outer wall of the electric box.

Furthermore, the upper surface mounting of intermediate bottom has the slip display subassembly, the slip display subassembly includes the fixing base, the fixing base lower surface is fixed at the intermediate bottom upper surface, the upper surface of fixing base is provided with antifriction bearing, in this further embodiment, through automatic lifting device, has realized the height control of display.

Further, the rolling bearing is internally provided with a circular ball, the upper end of the rolling bearing is provided with a second intermediate shaft, and in the further embodiment, the control of the direction of the display is realized through the second intermediate shaft.

Furthermore, the upper end and the lower end of one side of the first middle shaft are symmetrically provided with a first clamping groove, and in the further embodiment, the rectangular blackboard is fixed through the first clamping grooves.

Further, the rectangle blackboard has been installed in the first draw-in groove, the upper and lower both sides of rectangle blackboard one side have set up the second draw-in groove respectively the symmetry, in this further embodiment, through the second draw-in groove, have realized the block to the banding baffle.

Further, second draw-in groove and the mutual block of third draw-in groove, every the third draw-in groove is installed in banding baffle one side, every the third draw-in groove inner wall is provided with the spout, every install the display screen in the spout, in this further embodiment, through the spout, realized switching between display and the rectangle blackboard, more convenient teaching.

Further, there is a universal wheel assembly under the base bottom plate, the universal wheel assembly includes fixing bolt, fixing bolt upper end and base bottom plate lower surface interconnect, the universal wheel is installed to the fixing bolt lower extreme, in this further embodiment, has realized movably through the universal wheel.

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

the utility model discloses a sliding display subassembly has realized switching of each other between traditional rectangle blackboard and the display, makes the teaching effect promote by a wide margin, through second jackshaft and automatic lifting device, has realized giving people and bringing more careful experience to the comprehensive control of the height and the direction angle of display screen, realizes the holistic portable ability of this teaching aid through the universal wheel.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a cross-sectional view of the automatic lifting device of the present invention;

FIG. 3 is a schematic structural diagram of a sliding display module according to the present invention;

fig. 4 is a schematic structural view of the universal wheel assembly of the present invention.

In the figure: 1. a base substrate; 2. an automatic lifting device; 21. a fixed shaft; 22. a sleeve; 23. A limiting shaft; 231. a circular groove; 3. a middle partition plate; 4. a sliding display assembly; 41. a fixed seat; 42. a rolling bearing; 421. a circular ball; 43. a first intermediate shaft; 44. a first card slot; 45. a rectangular blackboard; 451. a second card slot; 46. a seal edge baffle plate; 461. a chute; 462. a third card slot; 47. a display screen; 5. a universal wheel assembly; 51. fixing the bolt; 52. A universal wheel; 6. a locking assembly; 61. an electric box; 62. a slave electromagnet; 63. a main electromagnet; 64. a switch; 65. a tension spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, a visual transmission teaching aid, comprising a base bottom plate 1, wherein four automatic lifting devices 2 are respectively installed at four vertex angles of the upper surface of the base bottom plate 1, each automatic lifting device 2 comprises a limiting shaft 23, a circular groove 231 is arranged on the outer wall of each limiting shaft 23, sleeves 22 are respectively arranged at two ends of each limiting shaft 23, a fixing shaft 21 is respectively arranged at one end of each sleeve 22 far away from the limiting shaft 23, one end of each fixing shaft 21 far away from the sleeve 22 is respectively connected with the upper surface of the base bottom plate 1 and the lower surface of the middle partition plate 3, a locking assembly 6 is arranged at one end of each sleeve 22 close to the middle partition plate 3, each locking assembly 6 comprises an electric box 61, each electric box 61 is fixed on the outer wall of the sleeve 22, a main electromagnet 63 is arranged at one side of the inner wall of each electric box 61, an extension spring 65 is arranged on the outer wall of each main electromagnet 63, a slave electromagnet 62 is arranged at one end of each extension spring 65, which is far away from the main electromagnet 63, and a switch 64 is arranged on the other side of the outer wall of the electric box 61.

Please refer to fig. 1, fig. 2 and fig. 3 again, a sliding display assembly 4 is mounted on the upper surface of the middle partition 3, the sliding display assembly 4 includes a fixing seat 41, the lower surface of the fixing seat 41 is fixed on the upper surface of the middle partition 3, a rolling bearing 42 is disposed on the upper surface of the fixing seat 41, a circular ball 421 is mounted in the rolling bearing 42, a first intermediate shaft 43 is mounted on the upper surface of the rolling bearing 42, first locking grooves 44 are symmetrically mounted at the upper and lower end positions of one side of the first intermediate shaft 43, a rectangular blackboard 45 is mounted in the first locking groove 44, second locking grooves 451 are symmetrically disposed at the upper and lower ends of one side of the rectangular blackboard 45, the second locking grooves 451 are engaged with third locking grooves 462, each third locking groove 462 is mounted at one side of the edge sealing baffle 46, a sliding groove 461 is disposed on the inner wall of, each of the chutes 461 is installed with a display screen 47, and in this embodiment, multi-angle rotation of the display screen 47 and switching between the rectangular blackboard 45 and the display screen 47 are realized.

Referring to fig. 1 and 4 again, the universal wheel assembly 5 is mounted on the lower surface of the base bottom plate 1, the universal wheel assembly 5 includes a fixing bolt 51, the upper end of the fixing bolt 51 is connected with the lower surface of the base bottom plate 1, and a universal wheel 52 is mounted at the lower end of the fixing bolt 51.

The utility model discloses a concrete operation as follows:

the universal wheel 52 is firstly installed on the lower surface of the base bottom plate 1 through the fixing bolt 51, and is respectively installed on the upper surface of the base bottom plate 1 and the lower surface of the middle partition plate 3 through the fixing shaft 21 of the automatic lifting device 2, then the fixing seat 41 is fixed on the upper surface of the middle partition plate 3, the rectangular blackboard 45 is clamped through the first clamping groove 44 of the first middle shaft 43, and finally the display screen 47 is clamped through the sliding groove 461 of the edge sealing baffle 46 installed on the rectangular blackboard 45.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The visual transmission teaching aid comprises a base layer bottom plate (1) and is characterized in that four automatic lifting devices (2) are respectively installed at four vertex angles of the upper surface of the base layer bottom plate (1), each automatic lifting device (2) comprises a limiting shaft (23), a circular groove (231) is formed in the outer wall of each limiting shaft (23), sleeves (22) are respectively arranged at two ends of each limiting shaft (23), a fixing shaft (21) is respectively arranged at one end, away from the limiting shaft (23), of each sleeve (22), one end, away from the sleeve (22), of each fixing shaft (21) is respectively connected with the upper surface of the base layer bottom plate (1) and the lower surface of a middle partition plate (3) mutually, a locking assembly (6) is arranged at one end, close to the middle partition plate (3), of each sleeve (22), and each locking assembly (6) comprises an electric box (61), every electronic box (61) is fixed in sleeve (22) outer wall, every electronic box (61) inner wall one side is provided with main electromagnet (63), every main electromagnet (63) outer wall is provided with extension spring (65), every extension spring (65) keep away from main electromagnet (63) one end and be provided with from electromagnet (62), electronic box (61) outer wall opposite side is provided with switch (64).

2. A visual transmission teaching aid according to claim 1, wherein the upper surface of the intermediate partition (3) is provided with a sliding display assembly (4), the sliding display assembly (4) comprises a fixed seat (41), the lower surface of the fixed seat (41) is fixed on the upper surface of the intermediate partition (3), and the upper surface of the fixed seat (41) is provided with a rolling bearing (42).

3. A visual transmission teaching aid according to claim 2, wherein said rolling bearing (42) has a circular ball (421) mounted therein, said rolling bearing (42) having a first intermediate shaft (43) mounted thereon.

4. A visual transmission teaching aid according to claim 3, wherein the first locking grooves (44) are symmetrically arranged at the upper and lower end positions on one side of the first intermediate shaft (43).

5. A visual transmission teaching aid according to claim 4, wherein a rectangular blackboard (45) is installed in the first engaging groove (44), and second engaging grooves (451) are symmetrically formed on the upper and lower sides of one surface of the rectangular blackboard (45).

6. A visual transmission teaching aid as claimed in claim 5, wherein the second locking groove (451) and the third locking grooves (462) are engaged with each other, each third locking groove (462) is installed at one side of the sealing edge baffle (46), a sliding groove (461) is provided at an inner wall of each third locking groove (462), and a display screen (47) is installed in each sliding groove (461).

7. A visual transmission teaching aid as claimed in claim 1, wherein the base bottom plate (1) is provided with a universal wheel assembly (5) on the lower surface thereof, the universal wheel assembly (5) comprises a fixing bolt (51), the upper end of the fixing bolt (51) is connected with the lower surface of the base bottom plate (1) and the universal wheel (52) is provided on the lower end of the fixing bolt (51).