CN219306326U

CN219306326U - Contrast show shelf is used in teaching

Info

Publication number: CN219306326U
Application number: CN202320216103.6U
Authority: CN
Inventors: 彭姗姗
Original assignee: ANHUI VOCATIONAL COLLEGE OF PRESS AND PUBLISHING
Current assignee: ANHUI VOCATIONAL COLLEGE OF PRESS AND PUBLISHING
Priority date: 2023-02-02
Filing date: 2023-02-02
Publication date: 2023-07-07
Anticipated expiration: 2033-02-02

Abstract

The utility model relates to the field of teaching aids, and particularly discloses a contrast display stand for teaching, which comprises a base and a pulley block; the utility model also comprises upright posts, upper cross bars and lower cross bars which are symmetrically arranged. The side surface of the upright post is provided with a long groove, the left bottom plate is arranged in the long groove on the side surface of the upright post, and the right bottom plate is symmetrically arranged with the left bottom plate; a strip-shaped shielding film is sleeved between the upper cross rod and the lower cross rod, and the contact surfaces of the upper cross rod and the lower cross rod with the shielding film are smooth curved surfaces; one end of the upright post, which is close to the upper cross rod, is penetrated with a rotating rod, the rotating rod clamps the shielding film with the upper cross rod, and two ends of the rotating rod are connected with rotating wheels. According to the utility model, different problem solving methods are written on the left bottom plate and the right bottom plate, the strip-shaped shielding films are sleeved on the display frame, the problem solving methods are shielded, the rotating wheels on the display frame are rotated to drive the rotating rods abutted against the shielding films to rotate, so that the shielding films slide on the upper cross rods, the non-transparent surfaces of the shielding films gradually move downwards, the problem solving methods on the left bottom plate and the right bottom plate can be gradually displayed, and the comparison of different problem solving methods is achieved.

Description

Contrast show shelf is used in teaching

Technical Field

The utility model relates to the field of teaching aids, in particular to a contrast display stand for teaching.

Background

The display rack is a rack for displaying contents, and the prepared contents are clamped or attached to the bottom plate for displaying, so that the display rack is simple in structure, convenient to display and good in adaptability, and can be used for displaying data and pictures and texts in various occasions.

The show shelf is also often used in teaching, and the mr attaches the teaching content that gets ready on the show shelf, demonstrates the teaching content through the show shelf. In mathematical education, can demonstrate multiple solution problem method and thinking through the show shelf, but conventional show shelf can show solution problem method and thinking completely, can't step by step to solution problem thinking carry on the staged disclosure, therefore can't step by step develop deducing process, adopt other means to shelter from inconvenient teacher's field operation, can influence the teaching effect on the contrary.

Disclosure of Invention

The utility model aims to provide a contrast display stand for teaching, which solves the following technical problems:

how to realize the comparative display of the solving method and thought in the mathematical education.

The aim of the utility model can be achieved by the following technical scheme:

a contrast showing stand for teaching comprises a base which is symmetrically arranged and a pulley block which is arranged on the base; the device also comprises upright posts which are symmetrically arranged, and one end of each upright post is connected with the base; one end of the upright post, which is far away from the base, is connected with an upper cross rod; one end of the upright post, which is close to the base, is connected with a lower cross rod, and the upper cross rod and the lower cross rod are symmetrically arranged; the side surface of the upright post is provided with a long groove, a left bottom plate is arranged in the long groove on the side surface of the upright post, a right bottom plate is symmetrically arranged with the left bottom plate, and the left bottom plate and the right bottom plate are arranged between the upper cross rod and the lower cross rod; a strip-shaped shielding film is sleeved between the upper cross rod and the lower cross rod, and the contact surfaces of the upper cross rod and the lower cross rod and the shielding film are smooth curved surfaces; the stand is close to the one end of going up the horizontal pole wears to establish the dwang, the dwang with go up the horizontal pole will shelter from the membrane clamp tightly, the swiveling wheel is connected at dwang both ends.

As a further scheme of the utility model: and one end of the upright post, which is close to the base, is of a telescopic structure.

As a further scheme of the utility model: the shielding film is of a strip-shaped structure, half of the shielding film is a transparent film, and half of the shielding film is a non-transparent film, and characters can be written on the shielding film.

As a further scheme of the utility model: the rotating wheel is connected with the rotating rod ball cage type, and the rotating wheel can be adjusted to be parallel to the rotating rod.

As a further scheme of the utility model: the bottom plate fixing rod is vertically arranged between the upper cross rod and the lower cross rod, and two ends of the bottom plate fixing rod are arranged at the transverse center positions of the upper cross rod and the lower cross rod.

As a further scheme of the utility model: the handle groove is formed in one end, far away from the bottom plate fixing rod, of the left bottom plate and the right bottom plate.

As a further scheme of the utility model: and a fixing pin is arranged on the connecting surface of the bottom plate fixing rod, the left bottom plate and the right bottom plate.

As a further scheme of the utility model: and fixing pin holes matched with the fixing pins are formed on the connecting surfaces of the left bottom plate, the right bottom plate and the bottom plate fixing rods.

As a further scheme of the utility model: the side of the left bottom plate and the right bottom plate, which is close to the lower cross bar, is provided with a support bar groove, and a support bar is rotatably arranged in the support bar groove.

The utility model has the beneficial effects that:

(1) The left bottom plate and the right bottom plate can be pulled out from the left side and the right side of the display frame respectively, the left bottom plate and the right bottom plate which are pulled out are supported by the supporting rods, a teacher can write the information required to be explained in class on the left bottom plate and the right bottom plate in advance, and the left bottom plate and the right bottom plate are arranged separately, so that a mathematical problem solving method and a mathematical thinking can be compared;

(2) The rotating wheel is rotated to drive the rotating rod to rotate, the rotating rod abuts against the shielding film to drive the shielding film to slide on the upper cross rod, so that the non-transparent surface of the shielding film moves downwards along the plane of the left and right bottom plates, a mathematical problem solving method and thought are gradually displayed, students are guided to think gradually, students obtain participation of problem solving, and teaching quality is improved;

(3) Through with the rotation wheel adjustment direction, with the flexible one end shrink of stand, erect the show shelf, mention the base end, the rotation wheel can roll on ground, makes things convenient for the show shelf to carry in narrow passageway, makes things convenient for the teacher to use.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a front view of a comparative display stand of the present utility model;

FIG. 2 is a left side view of a comparative display stand of the present utility model;

FIG. 3 is a top view of a comparative display stand of the present utility model;

FIG. 4 is an isometric view of a comparative display stand of the present utility model;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 4;

FIG. 7 is a right side view of the left bottom panel of the comparative display stand of the present utility model;

fig. 8 is a bottom view of the left bottom plate of the comparative display stand of the present utility model.

Description of the drawings: 1. a rotating lever; 2. a rotating wheel; 3. a shielding film; 4. a left bottom plate; 5. a right bottom plate; 6. a lower cross bar; 7. an upper cross bar; 8. a base plate fixing rod; 9. a handle groove; 10. a support rod; 11. a column; 12. a base; 13. pulley block; 14. a strut groove; 15. a fixing pin; 16. and fixing the pin holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4 and fig. 8, the utility model provides a contrast display stand for teaching, which comprises a base 12 symmetrically arranged and a pulley block 13 arranged on the base 12, wherein the base 12 ensures the stability of the display stand, and the pulley block 13 is a universal pulley group, so that the display stand is convenient to adjust and carry at multiple angles.

In this embodiment of the present utility model, the two upright posts 11 are symmetrically arranged, one end of each upright post 11 is connected with the base 12, one end of each upright post 11 far away from the base 12 is transversely connected with the upper cross bar 7, one end of each upright post 11 near the base 12 is connected with the lower cross bar 6, and the upper cross bar 7 and the lower cross bar 6 are symmetrically arranged. A bottom plate fixing rod 8 is vertically arranged between the upper cross rod 7 and the lower cross rod 6, and two ends of the bottom plate fixing rod 8 are arranged at the transverse center positions of the upper cross rod 7 and the lower cross rod 6. The side surfaces of the upright posts 11 are provided with long grooves, the left bottom plate 4 is arranged in the long grooves on the side surfaces of the upright posts 11, the right bottom plate 5 is symmetrically arranged with the left bottom plate 4, the left bottom plate 4 and the right bottom plate 5 are arranged between the upper cross rod 7 and the lower cross rod 6, the upper side surfaces of the left bottom plate 4 and the right bottom plate 5 are in sliding contact with the upper cross rod 7, and the lower side surfaces of the left bottom plate 4 and the right bottom plate 5 are in sliding contact with the lower cross rod 6. The handle groove 9 is offered to the one end that bottom plate dead lever 8 was kept away from to left bottom plate 4 and right bottom plate 5, through pulling handle groove 9, can pull out left bottom plate 4 along show shelf left side stand 11, and right bottom plate 5 is pulled out along show shelf right side stand 11. The side surfaces of the left bottom plate 4 and the right bottom plate 5, which are close to the lower cross bar 6, are provided with a support bar groove 14, the support bar 10 is rotationally arranged in the support bar groove 14, and the unfolded left bottom plate 4 and the unfolded right bottom plate 5 can be supported by opening the support bar 10, so that a teacher can keep the stability of the display frame when writing a problem solving method. Still overlap between upper cross bar 7 and the bottom rail 6 and establish banded shielding film 3, shielding film 3 half is the transparent film, and half is the non-transparent film, can write the characters on shielding film 3 simultaneously, makes things convenient for the mr to increase the annotation, and the non-transparent film will control the front plane of bottom plate 5 and shelter from. The contact surfaces of the upper cross rod 7 and the lower cross rod 6 and the shielding film 3 are smooth curved surfaces, and the shielding film 3 can slide on the contact surfaces. One end of the upright post 11, which is close to the upper cross rod 7, is penetrated with a rotating rod 1, the rotating rod 1 clamps the shielding film 3 with the upper cross rod 7, the two ends of the rotating rod 1 are connected with rotating wheels 2, the rotating wheels 2 can drive the rotating rod 1 to rotate, the rotating rod 1 rotates to enable the shielding film 3 to slide on the contact surface of the upper cross rod 7, the non-transparent part of the shielding film 3 moves downwards, and characters or data on the left bottom plate 5 and the right bottom plate 5 are gradually displayed.

In the embodiment of the utility model, one end of the upright post 11 close to the base 12 is of a telescopic structure, the height of the display frame can be set through the telescopic structure, meanwhile, the base 12 can be contracted close to the lower cross bar 6 during carrying, the display frame is rotated to the upright post 11 transversely, and the width of the display frame is reduced.

As shown in fig. 5, the rotating wheel 2 is connected with the rotating rod 1 in a ball cage shape, the rotating wheel 2 can be adjusted to be vertical to the rotating rod 1, and the rotating wheel 2 rolls on the ground.

As shown in fig. 6-7, the connection surfaces of the bottom plate fixing rod 8 and the left bottom plate 4 and the right bottom plate 5 are provided with fixing pins 15, and the connection surfaces of the left bottom plate 4 and the right bottom plate 5 and the bottom plate fixing rod 8 are provided with fixing pin holes 16 matched with the fixing pins 15, so that the left bottom plate 5 and the right bottom plate 5 cannot slide out of the display frame after the display frame is transposed.

The working principle of the utility model is as follows: through cover on the show shelf and establish banded shielding film 3, shielding film 3 half is the non-transparent film, and half is the transparent film, rotates the swiveling wheel 2 on the show shelf, drives the dwang 1 rotation that supports with shielding film 3 tightly, can make shielding film 3 slide on last horizontal pole 7, shielding film 3 non-transparent film moves down gradually, and transparent film also moves down, can show the solution of problem and thinking on the bottom plate 5 about gradually. The teacher pulls out the display rack from the left bottom plate 4 and the right bottom plate 5 in advance, writes a plurality of solving methods on the left bottom plate 4 and the right bottom plate 5 respectively, and can display different solving methods and ideas by sliding the shielding film 3. After the display rack is used, the direction of the rotating wheel 2 is adjusted by contracting the upright post 11, so that the rotating wheel 2 rolls on the ground, and one side of the base 12 is lifted, thereby facilitating the passage of the display rack in a narrow passageway.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. A contrast showing stand for teaching comprises a base (12) which is symmetrically arranged and a pulley block (13) which is arranged on the base (12); the device is characterized by further comprising upright posts (11) which are symmetrically arranged, wherein one end of each upright post (11) is connected with the base (12); one end of the upright post (11) far away from the base (12) is connected with an upper cross rod (7); one end of the upright post (11) close to the base (12) is connected with a lower cross rod (6), and the upper cross rod (7) and the lower cross rod (6) are symmetrically arranged;

the side surface of the upright post (11) is provided with a long groove, the left bottom plate (4) is arranged in the long groove on the side surface of the upright post (11), the right bottom plate (5) is symmetrically arranged with the left bottom plate (4), and the left bottom plate (4) and the right bottom plate (5) are arranged between the upper cross rod (7) and the lower cross rod (6);

a strip-shaped shielding film (3) is sleeved between the upper cross rod (7) and the lower cross rod (6), and the contact surfaces of the upper cross rod (7) and the lower cross rod (6) with the shielding film (3) are smooth curved surfaces;

the stand (11) is close to one end of the upper cross rod (7) and penetrates through the rotating rod (1), the rotating rod (1) and the upper cross rod (7) clamp the shielding film (3), and two ends of the rotating rod (1) are connected with the rotating wheels (2).

2. A teaching contrast display stand according to claim 1, characterized in that the end of the upright (11) close to the base (12) is of a telescopic structure.

3. A teaching contrast display stand according to claim 1, characterized in that the shielding film (3) is of a strip-like structure, half is a transparent film and half is a non-transparent film, and the shielding film (3) is capable of writing.

4. A teaching contrasting display stand according to claim 1 characterised in that the swivel wheel (2) is ball cage connected to the swivel bar (1), the swivel wheel (2) being adjustable in a direction parallel to the swivel bar (1).

5. The contrast display stand for teaching according to claim 1, wherein a bottom plate fixing rod (8) is vertically arranged between the upper cross rod (7) and the lower cross rod (6), and two ends of the bottom plate fixing rod (8) are arranged at the transverse center positions of the upper cross rod (7) and the lower cross rod (6).

6. The contrast display stand for teaching according to claim 5, wherein the handle groove (9) is formed at one end of the left bottom plate (4) and the right bottom plate (5) away from the bottom plate fixing rod (8).

7. The teaching contrast display stand according to claim 5, characterized in that the connecting surface of the bottom plate fixing rod (8) and the left bottom plate (4) and the right bottom plate (5) is provided with a fixing pin (15).

8. The teaching contrast display stand according to claim 7, wherein the connecting surface of the left bottom plate (4) and the right bottom plate (5) and the bottom plate fixing rod (8) is provided with a fixing pin hole (16) matched with the fixing pin (15).

9. The contrast display stand for teaching according to claim 1, wherein the side surfaces of the left bottom plate (4) and the right bottom plate (5) close to the lower cross bar (6) are provided with a support bar groove (14), and the support bar groove (14) is rotationally provided with a support bar (10).