CN211795020U

CN211795020U - Auxiliary teaching aid rack for multimedia teaching

Info

Publication number: CN211795020U
Application number: CN201821612651.6U
Authority: CN
Inventors: 吕娟霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2020-10-30
Anticipated expiration: 2028-09-29

Abstract

The utility model relates to a teaching equipment technical field, concretely relates to multimedia teaching's auxiliary teaching aid rack. The auxiliary teaching aid placing rack is characterized in that the placing rack is provided with a rocker mechanism and a movable rod, so that the auxiliary teaching aid placing rack for multimedia teaching can be suitable for teachers with different heights; the sundries collecting box and the hinge door are arranged, so that chalk residues and sundries can be collected; make through the cooperation that sets up draw-in groove and spring the utility model discloses can be applicable to the not books of equidimension. The utility model relates to a convenient operation, simple structure's auxiliary teaching aid rack of multimedia teaching.

Description

Auxiliary teaching aid rack for multimedia teaching

Technical Field

The utility model relates to a teaching equipment technical field, concretely relates to multimedia teaching's auxiliary teaching aid rack.

Background

Along with the continuous development of science and technology, the traditional teaching classroom also changes greatly, many teachers in the present teaching mostly adopt multimedia teaching when giving lessons, although the multimedia teaching society is vivid and warm, no matter how vivid and warm the multimedia teaching is, the multimedia teaching society can not replace the role of teachers, so that teachers need to check books for teaching while operating multimedia teaching devices, books and some teaching tools can be put together and are very messy, and teachers hold books with hands, which increases the labor intensity of teachers, is not beneficial to the proceeding of teaching, teachers are inconvenient to operate, as the books are heavy, the teaching time is long, the teachers can be tired, or teachers can place books on teaching tables horizontally when pressing the books, and the books need to be held by hands to fix page numbers, and the teachers can get cervical spondylosis very easily after long time, make the teacher unable normal class, bring a lot of troubles for teaching work, still need the mr often to write a large amount of characters on the blackboard in teaching work in addition, need continuous placing books, picking up books, place the in-process page at books and probably change, can influence holistic teaching efficiency, still need teaching tools such as ruler, supplementary books, pen, teaching rod occasionally, the teaching aid is taken very inconveniently, has seriously influenced teacher's teaching efficiency. In prior art, there is a teaching aid rack, mainly includes the base, bracing piece and bookshelf board, and bookshelf board both sides are equipped with the vertical plate, the vertical plate middle part is equipped with the fixed orifices and fixes books, but because teaching material size, thickness differ, fixing device can not adjust when fixed teaching material to fixed books insecure condition can appear sometimes, greatly reduced teacher's teaching efficiency. Therefore, an auxiliary teaching aid placing frame for multimedia teaching is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a convenient operation, simple structure's multimedia teaching's auxiliary teaching aid rack to above problem.

In order to realize the purpose, the utility model discloses specifically adopt following technical scheme:

the utility model provides a multimedia teaching's auxiliary teaching aid rack, includes bottom support 1, universal wheel 2, fixed column 3, cylindrical arch 4, its characterized in that: the bottom of the bottom bracket 1 is provided with a universal wheel 2, the universal wheel 2 is fixed by the bottom bracket 1 through a fixed shaft, and the universal wheel 2 is hinged with the fixed shaft; the upper part of the bottom bracket 1 is provided with a fixed column 3, the fixed column 3 and the bottom bracket 1 are welded into a whole, the fixed column 3 is of a barreled structure, and a stable sliding chute is arranged on the inner surface of the fixed column 3; a moving rod 6 is arranged in the fixed column 3, sliding blocks 17 are arranged on the left side and the right side of the moving rod 6, and the sliding blocks 17 are matched with a stable sliding groove arranged on the inner surface of the fixed column 3; a first boss 41 and a second boss 42 are arranged on the side wall of the inner part of the cylindrical protrusion 4, and the first boss 41 and the second boss 42 are both of barreled structures; the front side surface of the moving rod 6 is provided with convex teeth 16; the upper part of the movable rod 6 is provided with a wedge-shaped table body 7, and the wedge-shaped table body 7 is welded with the upper end of the movable rod 6; the upper part of the wedge-shaped table body 7 is provided with an elastic pressing sheet 13; the middle of the wedge-shaped table body 7 is provided with a sliding groove 18, a fixing rod 14 is arranged in the sliding groove 18, and the fixing rod 14 is fixed with the wedge-shaped table body 7.

A rocker mechanism 5 is arranged inside the cylindrical protrusion 4, the rocker mechanism 5 comprises a handle 51, a circumferential tooth 52, a first gear 53 and a baffle 54, the handle 51 is rotatably connected with the crank of the rotating shaft 55 through a ball joint, the rotating shaft 55 is rotatably connected with the side wall of the cylindrical protrusion 4 through a bearing, a second gear 57 is arranged in the middle of the rotating shaft 55, the second gear 57 is matched with the convex teeth 16 arranged on the front side surface of the moving rod 6, a baffle 54 is arranged on the right side of the second gear 57, a first gear 53 is arranged on the left side of the second gear 57, the inner wall of the first boss 41 on the left side of the first gear 53 is provided with circumferential teeth 52, the circumferential teeth 52 are matched with the first gear 53, the second spring 56 is arranged inside the second boss 42 arranged on the right side of the baffle 54, one end of the second spring 56 is contacted with the inner wall of the second boss 42, and the other end of the second spring is contacted with the right side wall of the baffle 54.

The left side and the right side of the wedge-shaped table body 7 are respectively provided with a hook 8, and the hooks 8 are welded with the side faces of the wedge-shaped table body 7.

The utility model discloses a wedge table body 7, including wedge table body 7, the left and right sides of beating all be equipped with debris collection box 9, debris collection box 9 passes through slide rail and wedge table body 7 sliding connection, be equipped with hinge door 10 directly over debris collection box 9, hinge door 10 is articulated with wedge table body 7 through the pivot, is equipped with debris whereabouts passageway in the hinge door 10, debris whereabouts passageway link up debris collection box 9 with the inner wall of hinge door 10.

The left and right sides of the wedge-shaped table body 7 all be equipped with the teaching aid and place drawer 11, the teaching aid is placed drawer 11 and is passed through the inner wall sliding connection of slide rail and wedge-shaped table body 7.

The elastic pressing sheet 13 is hinged to the upper surface of the wedge-shaped table body 7 through a fixing shaft, the elastic pressing sheet 13 can rotate around the fixing shaft for 360 degrees, and a sponge layer is arranged at the position where the elastic pressing sheet 13 is in contact with a book.

The outer side of the fixed rod 14 is provided with a first spring 15, one end of the first spring 15 is in contact with the side surface of the sliding groove 18, the other end of the first spring is in contact with the side wall of the fixed rod 14, which is provided with a clamping groove 12, and the clamping groove 12 can move along the axial direction of the fixed rod 14 under the action of external force.

Compared with the prior art, the beneficial effects of the utility model reside in that: firstly, the rocker mechanism 5 and the moving rod 6 of the utility model can make an auxiliary teaching aid rack for multimedia teaching suitable for teachers with different heights; secondly, the arrangement of the sundries collecting box 9 and the hinge door 10 of the utility model can collect the used chalk residue into the sundries collecting box 9 for centralized processing; third, the utility model discloses draw-in groove 12 and first spring 15's cooperation makes the utility model discloses can be applicable to the not books of equidimension.

Drawings

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

Fig. 2 is a front view of the present invention.

Fig. 3 is a partially enlarged schematic view of a cross-sectional view of the cylindrical protrusion 4 of the present invention.

In the figure: bottom support 1, universal wheel 2, fixed column 3, cylindrical arch 4, rocker mechanism 5 includes handle 51, circumference tooth 52, first gear 53, baffle 54, pivot 55, second spring 56, second gear 57, carriage release lever 6, wedge table body 7, couple 8, debris collection box 9, hinge door 10, drawer 11, draw-in groove 12, elastic pressing piece 13, dead lever 14 are placed to the teaching aid, first spring 15, dogtooth 16, slider 17, spout 18.

Detailed Description

The structure and the advantageous effects of the present invention will be further described with reference to the accompanying drawings.

An auxiliary teaching aid placing frame for multimedia teaching comprises a bottom support 1, universal wheels 2, fixing columns 3 and cylindrical bulges 4, wherein the universal wheels 2 are arranged at the bottom of the bottom support 1, the universal wheels 2 are fixed by the bottom support 1 through a fixing shaft, and the universal wheels 2 are hinged with the fixing shaft; the upper part of the bottom bracket 1 is provided with a fixed column 3, the fixed column 3 and the bottom bracket 1 are welded into a whole, the fixed column 3 is of a barreled structure, and a stable sliding chute is arranged on the inner surface of the fixed column 3; a moving rod 6 is arranged in the fixed column 3, sliding blocks 17 are arranged on the left side and the right side of the moving rod 6, and the sliding blocks 17 are matched with a stable sliding groove arranged on the inner surface of the fixed column 3; a first boss 41 and a second boss 42 are arranged on the side wall of the inner part of the cylindrical protrusion 4, and the first boss 41 and the second boss 42 are both of barreled structures; the front side surface of the moving rod 6 is provided with convex teeth 16; the upper part of the movable rod 6 is provided with a wedge-shaped table body 7, and the wedge-shaped table body 7 is welded with the upper end of the movable rod 6; the upper part of the wedge-shaped table body 7 is provided with an elastic pressing sheet 13; a sliding groove 18 is formed in the middle of the wedge-shaped table body 7, a fixing rod 14 is arranged in the sliding groove 18, and the fixing rod 14 is fixed with the wedge-shaped table body 7; a rocker mechanism 5 is arranged inside the cylindrical protrusion 4, and the rocker mechanism 5 comprises a handle 51, a circumferential tooth 52, a first gear 53, a baffle 54, a rotating shaft 55, a second spring 56 and a second gear 57; the handle 51 is rotationally connected with a crank of a rotating shaft 55 through a ball joint, and the rotating shaft 55 is rotationally connected with the side wall of the cylindrical bulge 4 through a bearing; a second gear 57 is arranged in the middle of the rotating shaft 55, the second gear 57 is matched with the convex teeth 16 arranged on the front side surface of the moving rod 6, a baffle 54 is arranged on the right side of the second gear 57, a first gear 53 is arranged on the left side of the second gear 57, and the inner wall of the first boss 41 on the left side of the first gear 53 is provided with circumferential teeth 52; the circumferential teeth 52 are matched with the first gear 53, a second spring 56 is arranged inside the second boss 42 arranged at the right side of the baffle plate 54, one end of the second spring 56 is contacted with the inner wall of the second boss 42, and the other end of the second spring 56 is contacted with the right side wall of the baffle plate 54.

The left side and the right side of the wedge-shaped table body 7 are respectively provided with a hook 8, the hooks 8 are welded with the side faces of the wedge-shaped table body 7, and the hooks 8 can be used for hanging teaching tools such as rulers and teaching sticks.

The utility model discloses a wedge table 7 is equipped with debris collection box 9 about beating, debris collection box 9 passes through slide rail and wedge table 7 sliding connection, debris collection box 9 is equipped with hinge door 10 directly over, hinge door 10 is articulated with wedge table 7 through the pivot, is equipped with debris whereabouts passageway in the hinge door 10, debris whereabouts passageway link up debris collection box 9 with the inner wall of hinge door 10, accessible hinge door 10 such as used useless chalk fall debris collection box 9 and carry out centralized processing.

The left and right sides of the wedge table body 7 all be equipped with the teaching aid and place drawer 11, the teaching aid is placed drawer 11 and is passed through the inner wall sliding connection of slide rail and wedge table body 7, the teaching aid is placed drawer 11 and can be used to place some teaching appurtenance.

The upper surface of the elastic pressing sheet 13 and the wedge-shaped table body 7 are provided with fixing shafts in a hinged mode, the elastic pressing sheet 13 can rotate around the fixing shafts by 360 degrees, a sponge layer is arranged at the position where the elastic pressing sheet 13 is in contact with books, and the sponge layer can prevent the elastic pressing sheet 13 from damaging the books after the books are fixed.

The outside of dead lever 14 be equipped with first spring 15, first spring 15 one end and the side contact of spout 18, its other end and dead lever 14 are the lateral wall contact that the side was equipped with draw-in groove 12, draw-in groove 12 can move along the axis direction of dead lever 14 under the effect of external force, draw-in groove 12 along the axis direction's of dead lever 14 removal and with the cooperation of first spring 15 can make the device can be applicable to the books of different sizes.

In the description of the present invention, the directions indicated by the terms "upper", "lower", "left" and "right" are based on the directions shown in the drawings, and are only for convenience of description of the present invention, but do not require that the present invention must be operated in a specific direction, and therefore, should not be construed as limiting the present invention. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a multimedia teaching's auxiliary teaching aid rack, includes bottom support (1), universal wheel (2), fixed column (3), cylindrical arch (4), its characterized in that: the bottom of the bottom support (1) is provided with a universal wheel (2), the universal wheel (2) is fixed by the bottom support (1) through a fixed shaft, and the universal wheel (2) is hinged with the fixed shaft; the upper part of the bottom support (1) is provided with a fixing column (3), the fixing column (3) and the bottom support (1) are welded into a whole, the fixing column (3) is of a barreled structure, and a stable sliding chute is arranged on the inner surface of the fixing column (3); a moving rod (6) is arranged in the fixed column (3), sliding blocks (17) are arranged on the left side and the right side of the moving rod (6), and the sliding blocks (17) are matched with a stable sliding groove arranged on the inner surface of the fixed column (3); a first boss (41) and a second boss (42) are arranged on the side wall of the inner part of the cylindrical protrusion (4), and the first boss (41) and the second boss (42) are both of barreled structures; the front side surface of the moving rod (6) is provided with convex teeth (16); the upper part of the movable rod (6) is provided with a wedge-shaped table body (7), and the wedge-shaped table body (7) is welded with the upper end of the movable rod (6); the upper part of the wedge-shaped table body (7) is provided with an elastic pressing sheet (13); the middle of the wedge-shaped table body (7) is provided with a sliding groove (18), a fixing rod (14) is arranged in the sliding groove (18), and the fixing rod (14) is fixed with the wedge-shaped table body (7).

2. An auxiliary teaching aid placing frame for multimedia teaching according to claim 1, which is characterized in that: the inner part of the cylindrical protrusion (4) is provided with a rocker mechanism (5), the rocker mechanism (5) comprises a handle (51), circumferential teeth (52), a first gear (53), a baffle (54), a rotating shaft (55), a second spring (56) and a second gear (57), the handle (51) is rotatably connected with a crank of the rotating shaft (55) through a ball joint, the rotating shaft (55) is rotatably connected with the side wall of the cylindrical protrusion (4) through a bearing, the middle position of the rotating shaft (55) is provided with the second gear (57), the right side of the second gear (57) is provided with the baffle (54), the left side of the second gear (57) is provided with the first gear (53), the inner wall of a first boss (41) on the left side of the first gear (53) is provided with the circumferential teeth (52), the circumferential teeth (52) are matched with the first gear (53), the inner part of a second boss (42) arranged on the right side of the baffle (54) is provided with the second spring, one end of the second spring (56) is in contact with the inner wall of the second boss (42), and the other end thereof is in contact with the right side wall of the shutter (54).

3. An auxiliary teaching aid placing frame for multimedia teaching according to claim 1, which is characterized in that: the left side and the right side of the wedge-shaped table body (7) are respectively provided with a hook (8), and the hooks (8) are welded with the side surfaces of the wedge-shaped table body (7).

4. An auxiliary teaching aid placing frame for multimedia teaching according to claim 1, which is characterized in that: the utility model discloses a wedge table body (7) is beaten and is equipped with debris collection box (9) in the left and right sides all, debris collection box (9) are through slide rail and wedge table body (7) sliding connection, debris collection box (9) are equipped with hinge door (10) directly over, hinge door (10) are articulated with wedge table body (7) through the pivot, be equipped with debris whereabouts passageway in hinge door (10), debris whereabouts passageway link up debris collection box (9) with the inner wall of hinge door (10).

5. An auxiliary teaching aid placing frame for multimedia teaching according to claim 1, which is characterized in that: the left and right sides of the wedge-shaped table body (7) all are equipped with the teaching aid and place drawer (11), the teaching aid is placed drawer (11) and is passed through the inner wall sliding connection of slide rail and wedge-shaped table body (7).

6. An auxiliary teaching aid placing frame for multimedia teaching according to claim 1, which is characterized in that: the elastic pressing sheet (13) is hinged to the upper surface of the wedge-shaped table body (7) through a fixing shaft, the elastic pressing sheet (13) can rotate around the fixing shaft for 360 degrees, and a sponge layer is arranged at the position where the elastic pressing sheet (13) is in contact with a book.

7. An auxiliary teaching aid placing frame for multimedia teaching according to claim 1, which is characterized in that: the outer side of the fixed rod (14) is provided with a first spring (15), one end of the first spring (15) is in contact with the side face of the sliding groove (18), the other end of the first spring is in contact with the side wall of the fixed rod (14) which is laterally provided with a clamping groove (12), and the clamping groove (12) can move along the axial direction of the fixed rod (14) under the action of external force.