CN212555614U

CN212555614U - Display device is used in teaching

Info

Publication number: CN212555614U
Application number: CN202022258842.0U
Authority: CN
Inventors: 陆倩; 向云; 欧淑; 肖吉军
Original assignee: Guilin University of Electronic Technology
Current assignee: Guilin University of Electronic Technology
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-02-19
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a display device for teaching, which comprises a fixed seat, a supporting plate, four outer gear discs, two inner gear discs and an annular writing board, wherein the supporting plate is fixedly connected with the fixed seat, the four outer gear discs are respectively rotatably connected with the supporting plate, the four outer gear discs are respectively positioned at two sides of the upper end of the supporting plate and two sides of the lower end of the supporting plate, the two inner gear discs are respectively fixedly connected with the annular writing board, after the front annular writing board is fully written, the inner gear discs can be rotated downwards or upwards, one surface of the written annular writing board is rotated to the back surface, so that the unwritten contents are written on the new annular writing board, thereby increasing the writing contents of the annular writing board, the written contents are not required to be wiped, and then the new contents are written, thus facilitating the comparison of students on the writing contents, to provide convenience to the user.

Description

Display device is used in teaching

Technical Field

The utility model relates to a teaching aid technical field especially relates to a display device is used in teaching.

Background

The teaching aid is a general term of various appliances used by students to understand teaching contents visually and vividly and tools used by teachers during teaching. The display device is used in current teaching generally only has set up a board, consequently writes on the board and need clear up after full, and the inconvenience contrasts writing content to the inconvenience has brought the inconvenience for the user teaching.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a board can pivoted teaching use display device to increase the writing scope of board, be convenient for contrast the content of writing, in order to bring facility for the user.

In order to achieve the above object, the utility model provides a display device is used in teaching, including fixing base, backup pad, four external gear dish, two internal gear dish and annular board, the backup pad with fixing base fixed connection, four external gear dish respectively with the backup pad rotates to be connected, four external gear dish is located respectively the both sides and the both sides of lower extreme of backup pad upper end, two internal gear dish respectively with annular board fixed connection, two internal gear dish is located respectively the both sides of annular board, annular board with the backup pad rotates to be connected, annular board cover is established the outside of backup pad, the upper and lower both ends of internal gear dish respectively with be located the backup pad agrees with two of one side external gear dish mutually.

The outer portion of the inner gear plate is provided with a plurality of shifting blocks, the shifting blocks are fixedly connected with the inner gear plate respectively, and the shifting blocks are arranged at intervals.

The outer gear disc is provided with connecting holes matched with the connecting supports, and the connecting supports are located inside the connecting holes.

The teaching use display device further comprises a fixing frame and a blackboard eraser, the fixing frame is connected with the fixing seat in a sliding mode, and the blackboard eraser is arranged inside the fixing frame.

The display device is used in teaching still includes the spring, the mount has the installation cavity, the one end of spring with mount fixed connection, the other end of spring with blackboard eraser fixed connection, the spring is located the inside of installation cavity, the blackboard eraser with mount sliding connection, the blackboard eraser is close to the one end of spring is located the inside of installation cavity, the blackboard eraser is kept away from the one end of spring with the laminating of annular board.

The fixing seat is provided with a limit groove matched with the sliding support, and the sliding support is located in the limit groove.

The beneficial effects of the utility model are embodied in: when the teacher need write the content when more, be full of openly behind the annular board, can downwards or upwards rotate the internal gear dish, will write the one side of annular board is rotated to the back to write the content that does not write down new on the annular board, thereby increase the content of writing of annular board need not write new content after wiping the content of writing again, makes things convenient for the student to write the content and contrasts, in order to bring the convenience for the user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the teaching use display device of the present invention.

Fig. 2 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 3 is a cross-sectional view taken along line B-B of fig. 1 according to the present invention.

Fig. 4 is a cross-sectional view of the teaching use display device of the present invention.

1-a fixed seat, 11-a sliding groove, 12-a bayonet, 2-a supporting plate, 21-a connecting support, 3-an outer gear disc, 31-a connecting hole, 4-an inner gear disc, 41-a toggle block, 5-an annular writing board, 6-a fixed mount, 61-an installation cavity, 62-a sliding support, 63-a buckle, 64-a handle column, 7-a blackboard eraser and 8-a spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a display device is used in teaching, includes fixing base 1, backup pad 2, four external gear dish 3, two internal gear dish 4 and annular board 5, backup pad 2 with 1 fixed connection of fixing base, four external gear dish 3 respectively with backup pad 2 rotates to be connected, four external gear dish 3 is located respectively the both sides and the both sides of lower extreme of backup pad 2 upper end, two internal gear dish 4 respectively with annular board 5 fixed connection, two internal gear dish 4 is located respectively the both sides of annular board 5, annular board 5 with backup pad 2 rotates to be connected, 5 covers of annular board are established the outside of backup pad 2, the upper and lower both ends of internal gear dish 4 respectively with be located backup pad 2 with two of one side external gear dish 3 agrees with mutually.

In this embodiment, the fixing base 1 supports the component mounted above the fixing base, the supporting plate 2 is fixedly mounted on the fixing base 1, the outer gear discs 3 are respectively arranged at the upper end and the lower end of the supporting plate 2, the outer gear discs 3 can rotate relative to the supporting plate 2, the upper end and the lower end of the inner gear disc 4 are sleeved on the two outer gear discs 3 positioned at the same side of the supporting plate 2, the gear teeth of the inner gear disc 4 are engaged with the gear teeth of the outer gear discs 3, so that the inner gear disc 4 is in transmission connection with the outer gear discs 3, the two sides of the annular writing plate 5 are respectively fixedly connected with the two inner gear discs 4, the annular writing plate 5 is sleeved outside the supporting plate 2, when the inner gear disc 4 rotates around the outer gear discs 3, the annular writing plate 5 rotates along with the inner gear discs 4, make annular board 5 winds backup pad 2 rotates, and when the content that the teacher need write was more, it was positive to write full behind annular board 5, can downwards or upwards rotate internal gear dish 4, will write annular board 5's one side rotates to the back to write the content that does not write new on annular board 5, thereby increase annular board 5's the content of writing, need not wipe the content of writing the back and write new content again, make things convenient for the student to contrast writing the content, in order to bring the facility for the user.

Further, a plurality of stirring blocks 41 are arranged outside the inner gear plate 4, the stirring blocks 41 are respectively and fixedly connected with the inner gear plate 4, and the stirring blocks 41 are arranged at intervals.

In this embodiment, a plurality of the shifting blocks 41 are arranged outside the inner gear plate 4 at intervals, so that a user can rotate the inner gear plate 4 through the shifting blocks 41, and the non-writing surface of the annular writing board 5 is rotated to the front, so that a teacher can write conveniently.

Further, both sides of the upper end and both sides of the lower end of the supporting plate 2 are provided with connecting supports 21, the connecting supports 21 and the supporting plate 2 are integrally formed, the outer gear plate 3 is provided with connecting holes 31 matched with the connecting supports 21, and the connecting supports 21 are located inside the connecting holes 31.

In this embodiment, both sides of backup pad 2 upper end and lower extreme all are fixed and are equipped with linking bridge 21, outer gear dish 3 cover is established linking bridge 21's outside, so that outer gear dish 3 can wind linking bridge 21 rotates, thereby realizes outer gear dish 3 with rotation between the backup pad 2 is connected.

Further, display device is used in teaching still includes mount 6 and blackboard eraser 7, mount 6 with fixing base 1 sliding connection, the inside of mount 6 is equipped with blackboard eraser 7.

In this embodiment, the fixing frame 6 is slidably connected to the fixing base 1, the fixing frame 6 can slide on the fixing base 1, the blackboard eraser 7 is arranged inside the fixing frame 6, and the fixing frame 6 drives the blackboard eraser 7 to slide, so that the annular writing board 5 is wiped, and a user can wipe the content written on the annular writing board 5 conveniently.

Further, display device is used in teaching still includes spring 8, mount 6 has installation cavity 61, spring 8 one end with mount 6 fixed connection, spring 8 the other end with blackboard eraser 7 fixed connection, spring 8 is located the inside of installation cavity 61, blackboard eraser 7 with mount 6 sliding connection, blackboard eraser 7 is close to spring 8's one end is located the inside of installation cavity 61, blackboard eraser 7 keeps away from spring 8's one end with the laminating of annular board 5.

In this embodiment, the blackboard eraser 7 is attached to the annular writing plate 5 under the abutting action of the spring 8 to erase the contents on the annular writing plate 5, so that the erasing effect of the blackboard eraser 7 is better.

Further, the bottom of the fixing frame 6 is provided with a sliding support 62, the fixing seat 1 is provided with a limit groove matched with the sliding support 62, and the sliding support 62 is located inside the limit groove.

In the present embodiment, the sliding bracket 62 slides inside the limit groove, so as to realize the sliding connection between the fixing frame 6 and the fixing base 1, and the limit groove limits the sliding position of the fixing frame 6, so that the fixing frame 6 can better slide.

Furthermore, one side of the fixing frame 6 is provided with a buckle 63, the fixing seat 1 is provided with a bayonet 12 matched with the buckle 63, and the buckle 63 is detachably connected with the fixing seat 1.

In this embodiment, the buckle 63 can be engaged with the inside of the bayonet 12, so as to fix the fixing frame 6, so as to place the fixing frame 6, and the buckle 63 is detached when the blackboard eraser 7 needs to be used, so as to facilitate the blackboard eraser 7 to wipe the annular writing board 5.

Further, the fixing frame 6 is provided with a handle post 64, and the handle post 64 is fixedly connected with the fixing frame 6 and is located at the lower end of the fixing frame 6.

In this embodiment, the handle post 64 is disposed on the fixing frame 6, so that a user can move the fixing frame 6 through the handle post 64, thereby facilitating the blackboard eraser 7 to wipe the annular writing board 5.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a display device is used in teaching, its characterized in that, includes fixing base, backup pad, four outer toothed disc, two internal gear dish and annular board, the backup pad with fixing base fixed connection, four outer toothed disc respectively with the backup pad rotates to be connected, four outer toothed disc is located respectively the both sides of backup pad upper end and the both sides of lower extreme, two internal gear dish respectively with annular board fixed connection, two the internal gear dish is located respectively the both sides of annular board, annular board with the backup pad rotates to be connected, annular board cover is established the outside of backup pad, the upper and lower both ends of internal gear dish respectively with be located the backup pad agrees with mutually with two with one side outer toothed disc.

2. The apparatus as claimed in claim 1, wherein a plurality of blocks are disposed outside the inner gear plate, the blocks are fixedly connected to the inner gear plate, and the blocks are spaced apart from each other.

3. The apparatus as claimed in claim 2, wherein the supporting plate is provided at both sides of the upper end and both sides of the lower end thereof with coupling brackets which are integrally formed with the supporting plate, the outer gear plate has coupling holes which are matched with the coupling brackets, and the coupling brackets are positioned inside the coupling holes.

4. The teaching use display device as claimed in claim 3, further comprising a fixing frame and a blackboard eraser, wherein the fixing frame is slidably connected with the fixing base, and the blackboard eraser is arranged inside the fixing frame.

5. The teaching use display device of claim 4, further comprising a spring, wherein the fixing frame is provided with a mounting cavity, one end of the spring is fixedly connected with the fixing frame, the other end of the spring is fixedly connected with the blackboard eraser, the spring is located inside the mounting cavity, the blackboard eraser is slidably connected with the fixing frame, one end of the blackboard eraser, which is close to the spring, is located inside the mounting cavity, and one end of the blackboard eraser, which is far away from the spring, is attached to the annular writing board.

6. The apparatus as claimed in claim 5, wherein a sliding bracket is provided at the bottom of the fixing frame, the fixing base has a limiting groove matching with the sliding bracket, and the sliding bracket is located inside the limiting groove.