CN219738344U

CN219738344U - Visual communication teaching aid

Info

Publication number: CN219738344U
Application number: CN202320317600.5U
Authority: CN
Inventors: 黎明; 乔沭元; 蒋海栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-09-22
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses a visual transmission teaching aid, which relates to the technical field of teaching aids and comprises a base, a desktop screw rod, a mapping instrument, a teaching solid object, a mapping lamp and a desktop, wherein a connecting disc is arranged on the desktop, the connecting disc is rotationally connected with the desktop, the connecting disc is positioned between the desktop screw rod and the desktop, a locking mechanism is connected onto the desktop screw rod in a sliding manner and comprises a locking disc, a groove I is formed on the connecting disc, a locking lug II matched with the groove I is fixedly connected onto the upper end of the locking disc, a locking lug I is fixedly connected onto the lower end of the locking disc, a groove III matched with the locking lug I is formed on the base, a plurality of grooves II are formed on the connecting disc, and the grooves II are formed on the connecting disc. Compared with the prior art, the visual transmission teaching tool is convenient to rotate, and the visual transmission teaching tool does not need to be integrally rotated in the process of rotating the desktop, so that the operation trouble is reduced.

Description

Visual communication teaching aid

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a visual transmission teaching aid.

Background

With the growing economic prosperity and the aesthetic level of people, planar designs and their related professions, collectively referred to as visual communication professions, communicate the designer's ideas to others by visual means, are beginning to rise. Practitioners of visual communication need a very light expression basis and skill, one of the most concise ways is to express their own design ideas and ideas to others by hand drawing. In addition, drawing is an important process in visual transmission teaching, is an important foundation and is a necessary lesson, and the drawing is used for researching the problem of space geometry by using a projection method and expressing space objects on a plane. In drawing learning, the conversion of three views into two views is a key point and a difficulty of learning, and students are required to have better space imagination capability and are not very intuitive.

Chinese patent publication No. CN206282513U discloses a visual transmission teaching aid, which comprises a base, a table top, a mapping lamp and a mapping instrument; the upper part of the base is provided with a base screw rod, the lower part of the desktop is provided with a desktop screw rod, and the base screw rod is connected with the desktop screw rod through a screw rod; the upper part of the desktop is provided with an image lamp and an image instrument; a teaching solid object is arranged between the image lamp and the image instrument; the teaching solid object is placed on the upper part of the desktop through a lifting frame with a lifting function. The advantages are that: the structure is simple, the image lamp and the image instrument are arranged, and through the rotation of the teaching solid object, the outline of the plane figure of the teaching solid object can be intuitively observed, the understanding of students is deepened, and the learning efficiency is improved; through the motor, the height of adjustable teaching solid object is applicable to teacher and student that different risees, through the self-locking device on the gyro wheel, can conveniently remove and fix, avoid unexpected the collide with and pound the foot in the teaching aid handling, labour saving and time saving.

In the above patent, the tabletop is inconvenient to rotate, and the visual transmission teaching tool is required to integrally rotate when the tabletop is rotated, so that the operation is troublesome.

Disclosure of Invention

The utility model aims to provide a visual transmission teaching tool which is convenient to rotate, and the visual transmission teaching tool does not need to be integrally rotated in the process of rotating a desktop, so that the operation trouble is reduced.

In order to achieve the purpose, the utility model provides a visual transmission teaching tool which comprises a base, a desktop screw rod, a mapping instrument, a teaching solid object, a mapping lamp and a desktop, wherein a connecting disc is arranged on the desktop, the connecting disc is rotationally connected with the desktop, the connecting disc is positioned between the desktop screw rod and the desktop, and a locking mechanism is slidably connected on the desktop screw rod.

In one or more embodiments, the locking mechanism includes a locking disc, a first groove is formed in the connecting disc, and a second locking protrusion matched with the first groove is fixedly connected to the upper end of the locking disc.

In one or more embodiments, the lower end of the locking disc is fixedly connected with a first locking lug, and the base is provided with a third groove matched with the first locking lug.

In one or more embodiments, the connecting disc is provided with a plurality of grooves II, the tabletop is provided with a plurality of grooves II corresponding to the grooves II, and the grooves I are connected with the protruding blocks in a sliding manner.

In one or more embodiments, a spring is mounted between the projection and the bottom wall of the recess.

In one or more embodiments, the lower end of the tabletop is provided with a first magnet sheet, the upper end of the locking disc is provided with a first magnet sheet matched with the first magnet sheet, the lower end of the locking disc is provided with a second magnet sheet, and the upper end of the base is provided with a second magnet sheet matched with the second magnet sheet.

In one or more embodiments, the locking plate is threadably coupled with a handle.

Compared with the prior art, the visual transmission teaching tool is convenient to rotate, and the visual transmission teaching tool does not need to be integrally rotated in the process of rotating the desktop, so that the operation trouble is reduced.

Drawings

Fig. 1 is a schematic structural view of a visual transmission teaching aid according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a visual transmission teaching tool according to an embodiment of the present utility model.

Fig. 3 is a semi-sectional view of a visual communication teaching aid according to an embodiment of the present utility model.

Fig. 4 is a diagram of a use state of a visual communication teaching aid according to an embodiment of the present utility model.

Fig. 5 is a second state diagram of a visual communication teaching aid according to an embodiment of the present utility model.

FIG. 6 is a schematic diagram of the structure at A-A in FIG. 5.

The main reference numerals illustrate:

1-roller, 2-base, 201-groove three, 3-base lead screw, 4-desktop lead screw, 5-mapping instrument, 6-teaching solid object, 7-mapping lamp, 8-support, 9-desktop, 901-groove four, 10-locking disk, 1001-locking lug one, 1002-locking lug two, 11-handle, 12-connecting disk, 1201-groove one, 1202-groove two, 13-spring, 14-lug.

Detailed Description

The following detailed description of embodiments of the utility model is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the utility model is not limited to the specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As shown in fig. 1 to 6, a visual transmission teaching tool according to an embodiment of the present utility model includes a base 2, a table screw 4, a mapping instrument 5, a teaching solid object 6, a mapping lamp 7 and a table 9. The base screw rod 3 is arranged on the base 2, the base screw rod 3 and the desktop screw rod 4 are in threaded connection, and the height of the visual transmission teaching tool can be adjusted through the base screw rod 3 and the desktop screw rod 4.

Referring to fig. 1, the table top 9 is located at the upper end of the table top screw 4, and the image projector 5, the teaching solid object 6, and the image lamp 7 are respectively located at the upper end of the table top 9, wherein three points of the image lamp 7, the teaching solid object 6, and the image projector 5 are connected into a line, so that the teaching solid object 6 can be imaged on the image projector 5 by irradiation of the image lamp 7.

The lower extreme of teaching real object 6 is provided with elevating gear, and the lower extreme of pilot lamp 7 is provided with support 8, and support 8 and elevating gear can be on a straight line to teaching real object 6, pilot lamp 7.

Referring to fig. 1-5, the lower end of the base 2 is fixedly connected with a plurality of rollers 1, so that mobile vision transmission teaching is facilitated. Is a conventional arrangement in the prior art.

Referring to fig. 1 to 6, a connecting disc 12 is mounted on the table top 9, the connecting disc 12 is rotationally connected with the table top 9, the connecting disc 12 is located between the table top screw 4 and the table top 9, and the connecting disc 12 is fixedly connected with the table top screw 4.

Specifically, referring to fig. 3 to 6, a plurality of grooves two 1202 are formed on the connection disc 12, grooves two 1202 are formed on the connection disc, and a plurality of grooves four 901 corresponding to the grooves two 1202 are formed on the table top 9. The second groove 1202 is slidably connected with a bump 14. A spring 13 is arranged between the bump 14 and the bottom wall of the second groove 1202.

Further, the spring 13 is a compression spring. When the table top 9 rotates, a certain pressure is applied to the lug 14, and the pressure is applied to the spring 13, so that the spring 13 is shortened, and the lug 14 is separated from the groove IV 901, so that the table top 9 can rotate. When the table top 9 rotates, the bump 14 is inserted into the groove four 901 again, so that the table top 9 is not easy to rotate.

Referring to fig. 1 to 5, a locking mechanism is slidably connected to the table top screw 4. The locking mechanism is used for locking between the table top screw 4 and the table top 9 or between the base 2 and the table top screw 4.

Specifically, referring to fig. 1 to 5, the locking mechanism includes a locking disc 10, and the locking disc 10 is slidably connected to the table screw 4.

Referring to fig. 3, a handle 11 is installed at one side of the locking plate 10. Specifically, the locking plate 10 is provided with a threaded hole, the handle 11 is in threaded connection with the inside of the locking plate 10, and the handle 11 can be in contact with the outer wall of the desktop screw 4, so that the locking plate 10 is fixed.

Referring to fig. 3, a first groove 1201 is formed in the connecting disc 12, and a second locking protrusion 1002 matched with the first groove 1201 is fixedly connected to the upper end of the locking disc 10, and the second locking protrusion 1002 is inserted into the first groove 1201.

When the second locking lug 1002 is inserted into the first groove 1201, the handle 11 abuts against the table top screw 4, at this time, the table top 9 and the table top screw 4 are in a fixed state, and when the table top screw 4 is rotated, the table top 9 also rotates along with the table top screw 4.

Referring to fig. 3, a first locking protrusion 1001 is fixedly connected to the lower end of the locking disc 10, a third groove 201 matching with the first locking protrusion 1001 is formed in the base 2, and similarly, the first locking protrusion 1001 is inserted into the third groove 201.

When the first locking lug 1001 is inserted into the third groove 201, the handle 11 abuts against the table top screw 4, at this time, the base 2 and the table top screw 4 are in a fixed state, and when the table top 9 is rotated, the table top 9 does not rotate together with the table top screw 4.

Preferably, the locking mechanism can include two locking discs 10, is provided with the fixture block that corresponds recess four 901 or recess three 201 on two locking discs 10 respectively, and two locking discs 10 insert respectively in recess three 201 and recess four 901, can fix desktop 9, desktop lead screw 4 and desktop lead screw 4, base 2 simultaneously, and visual transmission teaching is used for being difficult for producing when being convenient for the transportation rotates.

Referring to fig. 3 to 5, a first magnet piece is disposed at the lower end of the table top 9, and a first iron piece matched with the first magnet piece is disposed at the upper end of the locking plate 10. The lower extreme of locking dish 10 is provided with iron sheet two, and the upper end of base 2 is provided with magnet sheet two that matches with iron sheet two.

Specifically, when the table top 9 and the locking disk 10 are in contact, the table top 9 and the locking disk 10 are connected by magnetic attraction, so that the second locking projection 1002 is not easy to separate from the fourth groove 901. When the locking disc 10 contacts with the base 2, the locking disc 10 and the base 2 are also connected in a magnetic attraction mode, the groove III 201 and the locking projection II 1002 are not easy to separate, and certain stability is achieved.

When the height of the visual transmission teaching tool is required to be adjusted, referring to fig. 5, the handle 11 is unscrewed, then the locking disc 10 is slid upwards through the handle 11, the second locking lug 1002 is inserted into the fourth groove 901, and then the handle 11 is screwed down, so that one wall of the handle 11 and the outer wall of the table screw 4 are propped against, and the locking disc 10 is fixed.

When students in different positions are inconvenient to observe and visually convey that the teaching aid needs to rotate the tabletop 9, referring to fig. 4, the handle 11 is firstly unscrewed, then the locking disc 10 is slid downwards through the handle 11, the first locking lug 1001 is inserted into the third groove 201, then the handle 11 is screwed, and then the tabletop 9 can be rotated.

The tabletop 9 plays a role in clamping through the cooperation of the lug 14 and the spring 13 in the rotating process, and when the tabletop 9 rotates to a certain direction, the tabletop 9 is not easy to rotate without other limiting mechanisms.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. The utility model provides a visual transmission teaching aid, includes base, desktop lead screw, mapping appearance, teaching solid object, image lamp and desktop, its characterized in that, install the connection pad on the desktop, the connection pad is connected for rotating with the desktop, the connection pad is located between desktop lead screw and the desktop, sliding connection has locking mechanism on the desktop lead screw.

2. The visual transmission teaching aid according to claim 1, wherein the locking mechanism comprises a locking disc, a first groove is formed in the connecting disc, and a second locking lug matched with the first groove is fixedly connected to the upper end of the locking disc.

3. The visual transmission teaching aid according to claim 2, wherein the locking plate is fixedly connected with a first locking lug at the lower end, and a third groove matched with the first locking lug is formed in the base.

4. A visual transmission teaching aid according to claim 3 and wherein the connecting disc is provided with a plurality of grooves two, the tabletop is provided with a plurality of grooves four corresponding to the grooves two, and the grooves two are slidably connected with the protruding blocks.

5. A visual transmission teaching aid according to claim 4 and wherein springs are mounted between the lugs and the bottom wall of the recess.

6. The visual transmission teaching aid according to claim 2, wherein a first magnet piece is arranged at the lower end of the tabletop, a first iron piece matched with the first magnet piece is arranged at the upper end of the locking disc, a second iron piece is arranged at the lower end of the locking disc, and a second magnet piece matched with the second iron piece is arranged at the upper end of the base.

7. A visual communication teaching aid according to claim 2 and wherein said locking disc is threadably connected to a handle.