Movable teaching device for multimedia classroom

Abstract

The utility model belongs to the technical field of teaching equipment, and provides a movable teaching device for a multimedia classroom, which comprises a movable base, a pair of side support arms, a teaching board and a middle support arm, and is characterized in that the center of the upper surface of the movable base is provided with a first accommodating groove, and the edge of the movable base is provided with a second accommodating groove; the side supporting arms are arranged on the two sides of the upper surface of the movable base correspondingly and correspond to each other, one end of each side supporting arm is rotationally installed at the included angle in the corresponding first containing groove, so that the other end of each side supporting arm is swung in the width direction of the movable base, and the side supporting arms are vertically or transversely arranged in the first containing grooves. The swing end of the side supporting arm can extend in the axial direction. And the teaching board is arranged between the two side support arms. The folding desk has a folding function and can be placed at a proper position when not in use, so that the classroom teaching space is not occupied excessively, the sight of students can be prevented from being interfered, and the folding desk is extremely convenient to use and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of teaching equipment, and particularly relates to a movable teaching device for multimedia classroom. BACKGROUND

[0002] The multimedia classroom is usually equipped with advanced projection devices, computers and sound systems, aiming to improve teaching efficiency by displaying digital teaching content and making teaching means and content more diverse by using multimedia means. However, in the actual teaching process, teachers often need to perform impromptu mathematical calculation and draw diagrams or write on the blackboard, so that students can more intuitively master knowledge.

[0003] At present, the traditional teaching board mostly depends on a simple support for support, but its adjustability is limited. In the multimedia-dominated classroom, the teaching board mainly plays an auxiliary role, and the use frequency is relatively low, and most of the time is in an idle state. Since the traditional teaching board is bulky, it not only occupies valuable classroom teaching space, but also may interfere with the students' vision, and the convenience of use needs to be improved.

[0004] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. TECHNICAL CONTENT

[0005] The utility model aims at overcoming the poor adjustability of the traditional teaching board, which has a negative impact on multimedia classroom teaching, and provides a movable teaching device for multimedia classroom.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of multimedia classroom movable teaching device, including: mobile base, a pair of side support arms, teaching board and middle support arm, the upper surface of the mobile base is equipped with the first storage groove in the center, and the edge is equipped with the second storage groove;A pair of the side support arms are respectively arranged in the upper surface of the mobile base two sides and correspond to each other, one end of the side support arm is rotatably installed in the included angle of the corresponding first storage groove, to swing the other end of the side support arm along the width direction of the mobile base, so that the side support arm is erected or placed horizontally in the first storage groove, the swing end of the side support arm can be extended along the axial direction;The teaching board is arranged between two side support arms, and the wide side of the teaching board is rotatably connected with the swing end of the corresponding side support arm, to rotate the wide side of the teaching board to the upper side, and the front of the teaching board in this state is provided with a positioning column in the middle part of the lower side and horizontally protrudes;The middle support arm is rotatably installed in the second storage groove, to swing the other end of the middle support arm along the length direction of the mobile base, so that the middle support arm is erected or placed horizontally in the second storage groove, and the swing end of the middle support arm in the erected state is provided with a rectangular protruding column and is inserted into the positioning column and assembled together.

[0008] In the above-mentioned multimedia classroom movable teaching device, preferably, the lower surface of the mobile base is provided with a universal pulley at each corner.

[0009] Preferably, the middle part of the first storage groove is provided with a through hole for the positioning column to enter.

[0010] Preferably, the wide side of the teaching board protrudes a rotating shaft and is inserted into the swing end of the side support arm.

[0011] Preferably, the width of the first storage groove is greater than the width of the teaching board.

[0012] Preferably, the middle support arm includes a sleeve and a support rod, one end of the sleeve is rotatably installed in the second storage groove, so that the other end of the sleeve swings along the length direction of the mobile base.

[0013] Preferably, one end of the support rod is sleeved in the inside of the sleeve, and by pulling the other end of the support rod, it slides in the sleeve to change the length of the middle support arm.

[0014] Preferably, the inner tube wall of the sleeve is provided with a guide groove along the axial direction.

[0015] The inside of the swing end of the sleeve is provided with an annular groove, and the annular groove is in communication with the guide groove.

[0016] Preferably, the inner end of the support rod is provided with a sliding block on the outside.

[0017] The slider is inserted into the guide groove, and when the length of the middle supporting arm reaches the limit by pulling the outer end of the supporting rod, the slider is made to enter the annular groove by rotating the supporting rod.

[0018] Preferably, the outer end of the supporting rod is provided with a limiting plate adjacent to the rectangular protruding column.

[0019] Beneficial effects: The utility model discloses have the function of folding, can be placed in the suitable position during the idle period, thereby will not take up the classroom teaching space too much, still can avoid the interference of student's sight, use extremely convenient, and practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings accompanying the specification provide further understanding of the present application, illustrate the exemplary embodiments of the present application, and serve the purpose of elucidating the present application, and do not constitute any improper limitation to the present application. Among them:

[0021] Figure 1 It is the front view schematic drawing of the utility model;

[0022] Figure 2 It is the overall schematic drawing of the utility model;

[0023] Figure 3 It is Figure 2 Another view schematic drawing of the utility model;

[0024] Figure 4 It is the cross section schematic drawing of the utility model sleeve structure;

[0025] Figure 5 It is Figure 4 The enlarged schematic drawing of A in the utility model;

[0026] Figure 6 It is the overall schematic drawing of the utility model supporting rod structure;

[0027] Figure 7 It is the overhead schematic drawing of the utility model in idle state.

[0028] In the drawing: 1, mobile base; 2, first storage groove; 3, second storage groove; 4, side supporting arm; 5, teaching board; 6, positioning column; 7, rectangular protruding column; 8, through hole; 9, rotating shaft; 10, sleeve; 11, supporting rod; 12, guide groove; 13, annular groove; 14, slider; 15, limiting plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the protection scope of the present application.

[0030] In the description of the present application, the orientations or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" and the like are the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application, rather than requiring the present application to be constructed and operated in a particular orientation, therefore, cannot be understood as a limitation on the present application. The terms "connected", "connected" used in the present application should be understood broadly, for example, can be fixed connection, can also be detachable connection; can be directly connected, can also be indirectly connected through intermediate components, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0031] The present application will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0032] The present application is aimed at providing a movable teaching device for multimedia classroom, which mainly reflects that it can be folded, convenient to store, and will not have negative impact on the normal teaching of multimedia classroom.

[0033] Referring to Figures 1-3 and Figure 7 , comprising: a mobile base 1, a pair of side arms 4, a teaching board 5 and a middle arm, the lower surface of the mobile base 1 is provided with universal pulleys at the four corners, the upper surface of the mobile base 1 is provided with a first storage slot 2 in the center and a second storage slot 3 at the front end edge; two side arms 4 are respectively arranged on the two sides of the upper surface of the mobile base 1 and correspond to each other, one end of the side arm 4 is rotatably installed at the corresponding first storage slot 2 at the included angle, so as to swing the other end of the side arm 4 along the width direction of the mobile base 1, so that the side arm 4 is vertically or horizontally placed in the first storage slot 2, the swing end of the side arm 4 can extend along the axial direction, and the side arm 4 is a conventional telescopic rod, wherein, when the side arm 4 is shortened, it can lie horizontally in the first storage slot 2, and when the side arm 4 is lengthened, it is in a vertical state.

[0034] Referring to Figures 1-3The teaching board 5 is arranged between the two side supporting arms 4, and one end of the wide side of the teaching board 5 is rotationally connected with the swing end of the corresponding side supporting arm 4, so as to rotate the other end of the wide side of the teaching board 5 to the upper side. Specifically, the wide side of the teaching board 5 protrudes with a rotating shaft 9 and is correspondingly inserted into the swing end of the side supporting arm 4. In this state, the middle part of the front side of the teaching board 5 horizontally protrudes with a positioning column 6 in the downward direction. One end of the middle supporting arm is rotationally installed in the second storage slot 3, so as to swing the other end of the middle supporting arm along the length direction of the moving base 1, so as to vertically or horizontally place the middle supporting arm in the second storage slot 3. The swing end of the middle supporting arm in the vertical state is provided with a rectangular protruding column 7 and is correspondingly inserted into the positioning column 6, and the two are assembled together. Thus, the teaching board 5 is limited to be tilted in the left and right directions by the two side supporting arms 4, and the teaching board 5 is limited to be tilted in the front and back directions by the middle supporting arm. The position of the teaching board 5 is lifted, and the stability of the teaching board 5 is ensured at the same time, so as to facilitate the use of the teacher.

[0035] In the embodiment, with reference to Figure 2 and Figure 3 , the middle part of the first storage slot 2 is provided with a through hole 8 for the positioning column 6 to enter. When the device is idle, the teaching board 5 needs to be stored in the first storage slot 2. At this time, the front side of the teaching board 5, that is, the side on which the positioning column 6 is installed, is downward. Placing the positioning column 6 in the through hole 8 of the first storage slot 2 can ensure that the teaching board 5 is stably placed in the first storage slot 2.

[0036] In the embodiment, the width of the first storage slot 2 is greater than the width of the teaching board 5, so as to avoid that the back of the teaching board 5 in the first storage slot 2 protrudes outward and is inconvenient to store, including but not limited to vertically placing, horizontally placing or stacking with other objects.

[0037] In the embodiment, with reference to Figures 1-6The middle supporting arm comprises a sleeve 10 and a supporting rod 11, one end of the sleeve 10 is rotatably installed in the second receiving groove 3 so that the other end of the sleeve 10 swings along the length direction of the moving base 1, one end of the supporting rod 11 is sleeved in the inside of the sleeve 10, the length of the middle supporting arm is changed by pulling the other end of the supporting rod 11 to make it slide in the sleeve 10, the inner tube wall of the sleeve 10 is provided with a guide groove 12 along the axial direction, the inside of the swinging end of the sleeve 10 is provided with an annular groove 13, and the annular groove 13 is communicated with the guide groove 12, the outside of the inner end of the supporting rod 11 is provided with a sliding block 14, the sliding block 14 is inserted into the guide groove 12, when the length of the middle supporting arm reaches the limit by pulling the outer end of the supporting rod 11, the sliding block 14 is made to enter the annular groove 13 by rotating the supporting rod 11, at this time, the length of the middle supporting arm will not change again, and the supporting effect can be achieved, the length of the middle supporting arm can be extended, the teaching board 5 is further lifted, the flexibility is strong, and the position of the teaching board 5 is prevented from being too low to affect the classroom teaching quality, wherein the rectangular convex column 7 is fixed at the outer end of the supporting rod 11, the rectangular convex column 7 can prevent the supporting rod 11 from rotating accidentally to affect the stability of the support, and the outer end of the supporting rod 11 is provided with a limiting plate 15 near the rectangular convex column 7, so that the supporting rod 11 is prevented from being completely retracted into the sleeve 10 and being inconvenient to take out again.

[0038] In the embodiment, with reference to Figure 1 、 Figure 2 and Figure 6 , the upper end of the rectangular convex column 7 is fixedly connected with a threaded column, the threaded column is completely exposed in the air, so that the threaded column is locked by sleeving a nut outside the threaded column, and the stability of the connection between the positioning column 6 and the supporting rod 11 is further improved, and the stability of the teaching board 5 is further ensured.

[0039] In actual use, with reference to Figure 2 and Figure 7 , the teaching board 5 is first taken out from the first receiving groove 2, and the teaching board 5 is rotated to the vertical state, the rotating shafts 9 on both sides of the teaching board 5 are ensured to be downward, then the teaching board 5 is moved upward, the side supporting arm 4 is lengthened during the movement, after the teaching board 5 is lifted to the appropriate position, the middle supporting arm is taken out from the second receiving groove 3 and is supported, and the rectangular convex column 7 at the swinging end of the middle supporting arm is inserted into the positioning column 6 in the front of the teaching board 5, and the teaching can be started.

[0040] The teaching device provided by the embodiment has the folding function, can be placed at an appropriate position during the idle period, does not occupy too much classroom teaching space, can avoid interfering with the vision of students, is extremely convenient to use, and is high in practicality.

[0041] It can be understood that the above description is only exemplary, and the embodiment of the application is not limited in this way.

[0042] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall fall within the scope of protection of the present application.

Claims

1. A mobile teaching device for a multimedia classroom, characterized by, The utility model relates to a teaching device, including: Mobile base, the upper surface central place is equipped with first storage groove, the edge is equipped with second storage groove; A pair of side support arms, respectively set up in the upper surface both sides of mobile base and each other corresponds, one end of side support arm is rotatably installed in the included angle of corresponding first storage groove, to swing the other end of side support arm along the width direction of mobile base, make side support arm stand or place in first storage groove horizontally, the swing end of side support arm can extend along the axial direction; Teaching board, set up between two side support arms, the wide side one end of teaching board is rotatably connected with the swing end of corresponding side support arm, to rotate the wide side other end of teaching board to the upper, the front surface middle part of teaching board under the state of the protrude of positioning column to the front horizontally; Middle support arm, one end is rotatably installed in second storage groove, to swing the other end of middle support arm along the length direction of mobile base, make middle support arm stand or place in second storage groove horizontally, the swing end of middle support arm under the state of standing is equipped with rectangular convex column and is inserted into the positioning column and is assembled together with it correspondingly.

2. The mobile teaching apparatus for multimedia classrooms according to claim 1, wherein The lower surface four corners of mobile base are equipped with universal pulley.

3. The mobile teaching apparatus for multimedia classrooms as claimed in claim 1 wherein, The middle part of first storage groove is equipped with through -hole to enter the positioning column.

4. The mobile teaching apparatus for multimedia classrooms according to claim 1, wherein The wide side of teaching board protrudes rotation shaft and is inserted into the swing end of side support arm correspondingly.

5. The mobile teaching apparatus for multimedia classrooms as claimed in claim 1 wherein, The width of first storage groove is greater than the width of teaching board.

6. The mobile teaching apparatus for multimedia classrooms of claim 1, wherein, The middle support arm includes: sleeve and support rod, one end of sleeve is rotatably installed in second storage groove, to make the other end of sleeve swing along the length direction of mobile base.

7. The mobile teaching apparatus for multimedia classrooms as claimed in claim 6 wherein, One end of support rod is sleeved in the inside of sleeve, by pulling the other end of support rod to make it slide in the sleeve to change the length of middle support arm.

8. The mobile teaching apparatus for multimedia classrooms as claimed in claim 7 wherein, The inner tube wall of sleeve is equipped with guide groove along the axial direction; The inside of swing end of sleeve is equipped with annular groove, and the annular groove is communicated with guide groove.

9. The mobile teaching apparatus for multimedia classrooms as claimed in claim 8 wherein, The outside of inner end of support rod is equipped with sliding block; The sliding block is inserted into guide groove, when pulling the outer end of support rod to make the length of middle support arm reach the limit, by rotating support rod to make sliding block enter annular groove.

10. The mobile teaching apparatus for multimedia classrooms as claimed in claim 9 wherein, The outer end of support rod is equipped with limit plate near rectangular convex column.

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