CN108877398B - Multifunctional teaching tool - Google Patents
Multifunctional teaching tool Download PDFInfo
- Publication number
- CN108877398B CN108877398B CN201811046490.3A CN201811046490A CN108877398B CN 108877398 B CN108877398 B CN 108877398B CN 201811046490 A CN201811046490 A CN 201811046490A CN 108877398 B CN108877398 B CN 108877398B
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- column
- groove
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- rotary
- pen groove
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B19/00—Teaching not covered by other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43M—BUREAU ACCESSORIES NOT OTHERWISE PROVIDED FOR
- B43M99/00—Subject matter not provided for in other groups of this subclass
- B43M99/001—Desk sets
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- Business, Economics & Management (AREA)
- Engineering & Computer Science (AREA)
- Entrepreneurship & Innovation (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Toys (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention relates to a multifunctional teaching tool in the field of teaching tools, which comprises a base, a rotary upright post and a pen groove, wherein V-shaped openings are formed in the left end and the right end of the base, the rotary upright post is composed of a bottom post, a first rotary post and a second rotary post, the pen groove comprises a first pen groove and a second pen groove, the first pen groove and the second pen groove are of semi-cylindrical structures, and the first pen groove and the second pen groove are matched and combined to form a cylindrical structure. The base, the rotating upright post and the pen groove can be assembled in pairs and disassembled in pairs, the whole assembly is simple, the disassembly is convenient, the independent or paired combination is used as a teaching tool after the disassembly, the whole assembly is carried out, the pen groove can be paired to place a pen as a tabletop, the attractive effect is achieved, the rotating upright post can be rotated at will to increase interestingness and ornamental value, after the independent disassembly, the rotating upright post formed by the bottom post, the first rotating post and the second rotating post can be used as a mandrel in the teaching tool, the precision is high, the operation and the rotation are flexible and convenient, and the connection and the disassembly are convenient.
Description
Technical Field
The invention relates to the field of teaching aids, in particular to a multifunctional teaching tool.
Background
The teaching aid is a generic name of various appliances used by students to intuitively and vividly understand teaching contents and the appliances used by teachers in teaching, can improve learning interest of the students, enrich perceptual knowledge, help form clear concepts and develop observation capability and thinking capability of the students. Generally, the teaching aid is divided into three types, namely a common teaching aid, a special teaching aid and a child teaching aid.
Ordinary teaching aid: the teaching aid comprises a conventional teaching aid and a professional teaching aid used for basic education of middle and primary schools and various professional education of colleges and universities, and is generally provided with a real object, and objective things are directly presented to students so that the students can directly feel; simulating physical objects including specimens, models, and other replicas, such as globes, mannequins, engineering equipment models, and the like; charts depicting the image of things, including various visualized charts such as pictures, photographs, maps, statistics, designs, and the like; modern devices for reproducing the image and the course of things, such as cinemas, televisions, audio recorders, video recorders, slide projectors, etc., and also conventional teaching aids used in teaching, such as blackboard, blackboard eraser, whiteboard, chalk, etc.
If in the course of involving the mechanical engineering specialty, often use various specialty teaching aids, current specialty teaching aids still have following drawbacks: 1) When a teacher needs to demonstrate, the teacher can go to the teaching aid room to get a corresponding teaching aid, and after the demonstration is completed, the teacher needs to put back to the teaching aid room, so that normal temporary teaching demonstration is affected; 2) Most teaching aids are fixed morphological structures, have single functions, such as commonly used V-shaped blocks, locating pins, supporting nails and the like, and only have single corresponding teaching demonstration functions, but do not have other new functions, and do not have interestingness or daily office practicality.
Disclosure of Invention
The invention aims to solve the defects and provide a multifunctional teaching tool which can be used as a desktop pen rack or a decoration after being combined and can be used as a teaching tool after being disassembled.
The object of the invention is achieved by:
the multifunctional teaching tool comprises a base, a rotary column and a pen slot, wherein the bottom surface and the top surface of the base are flat surfaces, an inner round hole is formed in the middle of the base, V-shaped openings are formed in the left end and the right end of the base, the included angle of each V-shaped opening is 120 degrees, each V-shaped opening is used for positioning a cylindrical workpiece, the rotary column is composed of a bottom column, a first rotary column and a second rotary column, the bottom column, the first rotary column and the second rotary column are all concentrically connected and are of mutually detachable cylindrical structures, the bottoms of the bottom columns are detachably arranged in the inner round hole in a matching mode, the top of the bottom column vertically extends upwards, a bottom column groove for matching and installing the first rotary column or the second rotary column is formed in the top surface of the bottom column, lower rotating shafts which extend downwards and are used for matching and penetrate into the bottom column groove are arranged on the bottom surface of the first rotary column and the second rotary column, the first rotary column or the second rotary column can rotate freely along the bottom column groove after being installed, the top surface of the first rotary column is provided with a rotary column groove with the same size and shape as the bottom column groove, the lower rotary shaft of the second rotary column is matched and penetrated into the rotary column groove, so that the second rotary column can freely rotate along the rotary column groove after being installed, the side surface of the first rotary column is provided with a first round through hole which transversely penetrates, the side surface of the second rotary column is provided with a second round through hole which transversely penetrates, the pen groove comprises a first pen groove and a second pen groove, the first pen groove and the second pen groove are of semi-cylindrical structures, the lengths of the first pen groove and the second pen groove are equal, the bottom surfaces and the top surfaces of the first pen groove and the second pen groove are flat surfaces, the first pen groove is used for being matched and penetrated into the first round through hole, a first groove body for transversely placing a common signature pen is arranged in the first pen groove, the opening of the first groove body is upward after the first pen groove is inserted into the first round through hole, and be equipped with bar draw-in groove at two inboard borders of first groove, the second groove is used for mating to penetrate the circular thru hole of second, the inside in second groove is equipped with the second cell body that is used for transversely placing ordinary sign pen, the second groove inserts the opening of second cell body upwards behind the circular thru hole of second to be equipped with bar clamping tooth at the outside border in second groove, bar clamping tooth is used for mating the card and goes into bar draw-in groove, after bar clamping tooth pairs the card income bar draw-in groove, makes first groove and second groove pair the combination and forms cylindrical structure.
In the above description, preferably, the heights of the bottom pillar, the first spin pillar, and the second spin pillar are equal.
In the above description, as a preferable scheme, the bottom periphery of the bottom column is provided with a limiting outer ring, the bottom inner wall of the inner circular hole is provided with a limiting inner ring for being sleeved into the limiting outer ring in a matching manner, and the bottom column penetrates into the base upwards from the bottom of the inner circular hole, so that the limiting outer ring is clamped into the limiting inner ring in a matching manner.
In the above description, preferably, the bottom surface of the bottom pillar is flush with the bottom surface of the base.
In the above description, the base, the rotary column, and the pen groove are preferably made of stainless steel materials.
In the above description, preferably, both front and rear end surfaces of the base are flat surfaces.
In the above description, preferably, the bottom pillar, the first rotating pillar and the second rotating pillar are flush on the side surfaces.
The beneficial effects of the invention are as follows: the base, the rotary upright post and the pen slot can be assembled in pairs and disassembled, the whole assembly is simple, the disassembly is convenient, the rotary upright post can be used as a teaching tool singly or in pairs after the disassembly, the rotary upright post can be used as a tabletop decoration, the rotary upright post has attractive effect, the pen slot can be matched for placing pens, the rotary upright post can be rotated at will to increase interestingness and ornamental value, the first pen slot and the second pen slot can be matched for combining to form a cylindrical structure besides placing pens after the independent disassembly, when the rotary upright post and the pen slot are combined to form the cylindrical structure, the rotary upright post can be used as a cylindrical workpiece in positioning function demonstration, the rotary upright post can be used as a workpiece for processing a milling cutter in cooperation with the base, in addition, the rotary upright post formed by the bottom post, the first rotary post and the second rotary post can be used as a mandrel (positioning pin) in the teaching tool, the rotary upright post is high in precision, flexible and convenient to operate and rotate, the bottom post, the first rotary post and the second rotary post which are independent after the disassembly can be used as support pins in the teaching tool, the positioning function can be used for positioning demonstration, and the positioning demonstration with the base combination can be used for positioning demonstration; the base can be used as a V-shaped block in teaching, can be directly used for detecting, scribing or positioning parts of precision shafts, is an important auxiliary tool in platform measurement, and can be used for positioning a cylindrical workpiece formed by a pen slot when the V-shaped block is used.
Drawings
FIG. 1 is a schematic perspective view of a combination state in an embodiment of the present invention;
FIG. 2 is a top view of the assembled state in an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a base according to an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a rotary column according to an embodiment of the present invention;
FIG. 5 is an exploded view of a rotating column according to an embodiment of the present invention;
FIG. 6 is a schematic diagram showing a combination of a first pen slot and a second pen slot according to an embodiment of the present invention;
FIG. 7 is an exploded view of a first pen slot and a second pen slot according to an embodiment of the present invention;
FIG. 8 is a diagram illustrating the use of the base and the pen slot in teaching according to an embodiment of the present invention;
FIG. 9 is a diagram illustrating the use of a base and a rotating post according to an embodiment of the present invention;
FIG. 10 is a diagram showing the use of the base and the bottom post, the first spin post and the second spin post according to the embodiment of the present invention;
in the figure, 1 is a base, 2 is a V-shaped opening, 3 is an inner round hole, 4 is a bottom column, 5 is a first rotary column, 6 is a second rotary column, 7 is a limit outer ring, 8 is a limit inner ring, 9 is a bottom column groove, 10 is a lower rotating shaft, 11 is a rotary column groove, 12 is a first round through hole, 13 is a second round through hole, 14 is a first pen slot, 15 is a second pen slot, 16 is a first slot body, 17 is a second slot body, 18 is a strip-shaped clamping slot, and 19 is a strip-shaped clamping tooth.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1-10, a multifunctional teaching tool specifically implemented by the embodiment includes a base 1, a rotating upright column and a pen slot, in order to ensure stability of connection combination, the base 1, the rotating upright column and the pen slot of the embodiment are made of stainless steel materials, the bottom surface and the top surface of the base 1 are flat surfaces, an inner round hole 3 is arranged in the middle of the base 1, as shown in fig. 3, V-shaped openings 2 are arranged at the left end and the right end of the base 1, an included angle of the V-shaped openings 2 is 120 degrees, the front end and the rear end of the base 1 are flat surfaces, so that the base 1 is conveniently placed on a tabletop horizontally, the V-shaped openings 2 are used for positioning cylindrical workpieces, in the embodiment, the base 1 can be used as a V-shaped block in teaching, can be directly used for detecting, scribing or positioning precision shaft parts, and the like, is an important auxiliary tool in platform measurement, as shown in fig. 8, the base 1 is used as a V-shaped block, and can position cylindrical workpieces.
As shown in fig. 4 and 5, the rotary column is composed of a bottom column 4, a first rotary column 5 and a second rotary column 6, the bottom column 4, the first rotary column 5 and the second rotary column 6 are all concentrically connected and are of a cylindrical structure which can be detached mutually, the heights of the bottom column 4, the first rotary column 5 and the second rotary column 6 are equal, the bottom of the bottom column 4 is detachably matched and installed in the inner circular hole 3, the top of the bottom column 4 vertically extends upwards, a bottom column groove 9 for matching and installing the first rotary column 5 or the second rotary column 6 is arranged on the top surface of the bottom column 4, lower rotary shafts 10 which extend downwards and are used for matching and penetrating the bottom column groove 9 are arranged on the bottom surfaces of the first rotary column 5 and the second rotary column 6, the first rotary column 5 or the second rotary column 6 can freely rotate along the bottom column groove 9 after being installed, rotary column grooves 11 which are identical to the bottom column groove 9 in size and shape are arranged on the top surface of the first rotary column 5, and the lower rotary shafts 10 of the second rotary column 6 penetrate into the rotary column grooves 11 after the second rotary column 6 is installed. In this embodiment, the rotary column formed by the bottom column 4, the first rotary column 5 and the second rotary column 6 can be used as a spindle in a teaching tool, and has high precision, flexible and convenient operation and rotation, and convenient connection and disassembly. The detachable mutually independent bottom post 4, the first rotary post 5 and the second rotary post 6 can be used as supporting nails in teaching tools, can perform positioning function demonstration, and can be combined with the base 1 to perform positioning demonstration, and the base 1 is a workpiece for performing positioning demonstration.
In addition, in order to ensure the stability of connection, the bottom surface of the bottom column 4 is flush with the bottom surface of the base 1, the bottom periphery of the bottom column 4, the first rotary column 5 and the second rotary column 6 are flush, a limiting outer ring 7 is arranged on the bottom periphery of the bottom column 4, a limiting inner ring 8 for being matched and sleeved into the limiting outer ring 7 is arranged on the bottom inner wall of the inner circular hole 3, the bottom column 4 penetrates into the base 1 upwards from the bottom of the inner circular hole 3, and the limiting outer ring 7 is matched and clamped into the limiting inner ring 8.
As shown in fig. 1, 4, 6 and 7, the side surface of the first rotary column 5 is provided with a first circular through hole 12 penetrating transversely, and the side surface of the second rotary column 6 is provided with a second circular through hole 13 penetrating transversely. The pen slot comprises a first pen slot 14 and a second pen slot 15, the first pen slot 14 and the second pen slot 15 are of semi-cylindrical structures, the lengths of the first pen slot 14 and the second pen slot 15 are equal, the bottom surfaces and the top surfaces of the first pen slot 14 and the second pen slot 15 are flat surfaces, the first pen slot 14 is used for being matched and penetrated into the first circular through hole 12, a first slot body 16 used for being transversely placed with a common signature pen is arranged in the first pen slot 14, an opening of the first slot body 16 is upward after the first pen slot 14 is inserted into the first circular through hole 12, strip-shaped clamping slots 18 are formed in two inner edges of the first pen slot 14, the second pen slot 15 is used for being matched and penetrated into the second circular through hole 13, a second slot body 17 used for being transversely placed with a common signature pen is arranged in the second pen slot 15, an opening of the second slot body 17 is upward after the second pen slot 15 is inserted into the second circular through hole 13, strip-shaped clamping teeth 19 are formed in the outer edges of the second pen slot 15, the clamping teeth 19 are used for being matched and clamped into the clamping slots 18, and the strip-shaped clamping slots 18 are matched and combined after the first pen slot 14 and the strip-shaped clamping slots are matched as shown in fig. 6. In this embodiment, the first pen slot 14 and the second pen slot 15 can be paired to form a cylindrical structure in addition to placing pens, when the pen slots are used alone, the pens can be placed, and the pen slots can rotate at any time to increase interestingness, and can be used as a decoration of a desktop, so that the pen slot has an attractive effect; when combined into a cylindrical structure, as shown in fig. 8, can be used as both a cylindrical workpiece and a workpiece processed into a milling cutter in the demonstration of the positioning function. As shown in fig. 9, the rotating upright post passes through the base 1 and can freely rotate for teaching demonstration of the degree of freedom of the rotating shaft; as shown in fig. 10, the bottom post 4, the first rotary post 5 and the second rotary post 6 are arranged in a triangle shape and are arranged on the same horizontal plane, and the horizontal plane formed by the top surfaces of the bottom post 4, the first rotary post 5 and the second rotary post 6 and used for placing the base 1 is used for teaching demonstration of a plane formed by three points.
The foregoing is a further detailed description of the invention in connection with specific preferred embodiments, and is not intended to limit the practice of the invention to such description. It will be apparent to those skilled in the art that several simple deductions or substitutions can be made without departing from the spirit of the invention, and the scope of the invention is to be considered as the scope of the invention.
Claims (5)
1. Multifunctional teaching tool, including base, rotatory stand and pen groove, its characterized in that: the bottom surface and the top surface of the base are flat surfaces, an inner round hole is arranged in the middle of the base, V-shaped openings are arranged at the left end and the right end of the base, the included angle of the V-shaped openings is 120 degrees, the V-shaped openings are used for positioning cylindrical workpieces, the rotating column consists of a bottom column, a first rotating column and a second rotating column, the bottom column, the first rotating column and the second rotating column are all concentrically connected and are of a mutually detachable cylindrical structure, the bottom of the bottom column is detachably arranged in the inner round hole in a matching manner, the top of the bottom column vertically extends upwards, a bottom column groove for matching and installing the first rotating column or the second rotating column is arranged on the top surface of the bottom column, lower rotating shafts which extend downwards and are used for matching and penetrating the bottom column groove are arranged on the bottom surface of the first rotating column and the bottom surface of the second rotating column, so that the first rotating column or the second rotating column can freely rotate along the bottom column groove after being installed, the top surface of the first rotary column is provided with a rotary column groove with the same size and shape as the bottom column groove, the lower rotary shaft of the second rotary column is matched and penetrated into the rotary column groove, so that the second rotary column can freely rotate along the rotary column groove after being installed, the side surface of the first rotary column is provided with a first round through hole which transversely penetrates, the side surface of the second rotary column is provided with a second round through hole which transversely penetrates, the pen groove comprises a first pen groove and a second pen groove, the first pen groove and the second pen groove are of semi-cylindrical structures, the lengths of the first pen groove and the second pen groove are equal, the bottom surfaces and the top surfaces of the first pen groove and the second pen groove are flat surfaces, the first pen groove is used for being matched and penetrated into the first round through hole, a first groove body for transversely placing a common signature pen is arranged in the first pen groove, the opening of the first groove body is upward after the first pen groove is inserted into the first round through hole, strip-shaped clamping grooves are arranged at the two inner side edges of the first pen groove, the second pen groove is used for penetrating the circular thru hole of second in a pairing mode, the inside of the second pen groove is provided with a second groove body used for transversely placing an ordinary sign pen, the opening of the second groove body is upward after the second pen groove is inserted into the circular thru hole of second, strip-shaped clamping teeth are arranged on the outer side edge of the second pen groove and are used for being clamped into the strip-shaped clamping grooves in a pairing mode, after the strip-shaped clamping teeth are clamped into the strip-shaped clamping grooves in a pairing mode, the first pen groove and the second pen groove are combined in a pairing mode to form a cylindrical structure, the bottom face of the bottom post is flush with the bottom face of the base, and the bottom post, the first rotary post and the side face of the second rotary post are flush.
2. The multi-purpose teaching tool according to claim 1, wherein: the heights of the bottom column, the first rotary column and the second rotary column are equal.
3. The multi-purpose teaching tool according to claim 1, wherein: the bottom periphery of the bottom column is provided with a limiting outer ring, the bottom inner wall of the inner round hole is provided with a limiting inner ring which is used for being sleeved into the limiting outer ring in a matching mode, the bottom column penetrates into the base upwards from the bottom of the inner round hole, and the limiting outer ring is clamped into the limiting inner ring in a matching mode.
4. A multi-purpose teaching tool according to any of claims 1-3 and characterized in that: the base, the rotary upright post and the pen groove are all made of stainless steel materials.
5. A multi-purpose teaching tool according to any of claims 1-3 and characterized in that: the front end face and the rear end face of the base are flat faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046490.3A CN108877398B (en) | 2018-09-08 | 2018-09-08 | Multifunctional teaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046490.3A CN108877398B (en) | 2018-09-08 | 2018-09-08 | Multifunctional teaching tool |
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| Publication Number | Publication Date |
|---|---|
| CN108877398A CN108877398A (en) | 2018-11-23 |
| CN108877398B true CN108877398B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811046490.3A Active CN108877398B (en) | 2018-09-08 | 2018-09-08 | Multifunctional teaching tool |
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| CN (1) | CN108877398B (en) |
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|---|---|
| CN108877398A (en) | 2018-11-23 |
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