CN210244710U - Teaching indication rod for teaching - Google Patents
Teaching indication rod for teaching Download PDFInfo
- Publication number
- CN210244710U CN210244710U CN201920999047.1U CN201920999047U CN210244710U CN 210244710 U CN210244710 U CN 210244710U CN 201920999047 U CN201920999047 U CN 201920999047U CN 210244710 U CN210244710 U CN 210244710U
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- China
- Prior art keywords
- limiting rods
- teaching
- semicircular
- limiting
- angle plate
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- Expired - Fee Related
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model relates to a teaching indication rod for teaching, which comprises a positioning rod, a semicircular angle plate, a group of two corresponding limiting rods and a cylindrical rubber handle, wherein the semicircular angle plate is fixedly connected to the positioning rod, and the upper surface of the semicircular angle plate is uniformly distributed and marked with 0-180 degree angle scribed lines; limiting grooves for mounting the limiting rods are respectively formed in two sides of the positioning rod, and corresponding length dimension scale marks are respectively marked on the upper side and the lower side of the positioning rod; the rear ends of the two limiting rods are both arranged into a plate shape, the front ends of the two limiting rods are both arranged into a semi-cylindrical shape, the rear ends of the two limiting rods are hinged to two sides of the center of the linear bottom edge of the semi-circular angle plate respectively, and the front ends of the two limiting rods are turned backwards for 180 degrees and then combined into a cylindrical shape. The utility model discloses can regard as teaching indication pole to use, and be convenient for hold and get. On the basis of length measurement and straight line drawing, angle measurement and angle line drawing can also be performed.
Description
Technical Field
The utility model relates to a classroom teaching aid specifically indicates a teaching is with teaching instruction pole.
Background
Teaching instruction pole is a teaching aid that mr commonly used, and traditional teaching instruction pole is rectangular shaft-shaped. In order to facilitate grasping, the teaching indication rod is generally made into a round rod shape. Later on, in order to be convenient to carry, the teaching indication rod is made into a foldable storage type or a telescopic storage type. With the progress of the times, the structure and the function of the classroom teaching appliance are improved and promoted. In order to improve the use effect, the teaching indication rod is improved towards the multifunctional direction. The ruler-type teaching indication rod with scales can be used for length measurement. The ruler-type teaching indication rod can be used for length measurement and can be used for straight line drawing during geometric drawing of blackboard writing. In order to use conveniently, the ruler-shaped teaching indication rod with the scales needs to be made into a rectangular plate shape, the rectangular plate-shaped teaching indication rod has the defect of difficult holding, the rectangular plate shape is not adopted, and the geometric drawing and the line drawing of the blackboard-writing are difficult to adopt. The teaching aid that uses most often in the mathematical geometry course not only has the scale ruler of taking in addition, is used for angle measurement and angle line drawing system protractor in addition, only increases the length measurement function, still is not enough effectively to promote the teaching with the multifunctionalization of indicator lever. Consequently, design a section can be effectively be convenient for hold and get, can effectively ensure simultaneously that the pilot lever is difficult for producing the rupture or warp the scheduling problem when using, and on the basis that has length measurement and straight line drawing system, still can carry out the teaching pilot lever for the teaching of angle measurement and angle line drawing system and be the utility model discloses a research objective.
SUMMERY OF THE UTILITY MODEL
Problem to above-mentioned prior art exists, the utility model provides a teaching is with teaching pilot lever, this teaching is with teaching pilot lever can effectively solve the technical problem that above-mentioned prior art exists.
The technical scheme of the utility model is that:
a teaching indication rod for teaching comprises a positioning rod, a semicircular angle plate, a group of two corresponding limiting rods and a cylindrical rubber handle, wherein the center of the linear bottom edge of the semicircular angle plate is integrally and fixedly connected to the positioning rod, a corresponding semicircular positioning hole is formed in the center of the linear bottom edge of the semicircular angle plate, and 0-180-degree angle marks are uniformly distributed and marked outwards on the upper surface of the semicircular angle plate by taking the semicircular positioning hole as the center; limiting grooves for mounting the limiting rods are formed in the two sides of the positioning rod above the semicircular angle plate respectively, the two limiting rods are clamped in the corresponding limiting grooves respectively, and corresponding length dimension scale marks are marked on the upper side and the lower side of the positioning rod respectively; the rear ends of the two limiting rods are both arranged in a plate shape, the front ends of the two limiting rods are both arranged in a semi-cylindrical shape, the rear ends of the two limiting rods are hinged to two sides of the center of the linear bottom edge of the semi-circular angle plate respectively, the front ends of the two limiting rods are turned backwards for 180 degrees and then combined into a cylindrical shape, and the cylindrical rubber handle is detachably sleeved at the front ends of the two limiting rods.
Two groups of corresponding first adsorption magnets are respectively embedded in the inner sides of the rear ends of the two limiting rods and the corresponding positions of the two limiting grooves.
The inner sides of the rear ends of the two limiting rods and corresponding positions of the two limiting grooves are respectively provided with corresponding first accommodating grooves, and the first adsorption magnets are respectively embedded in the corresponding first accommodating grooves and are positioned and locked through corresponding first locking bolts.
And a group of corresponding second adsorption magnets are respectively embedded on the outer sides of the front ends of the two limiting rods.
The outer sides of the front ends of the two limiting rods are respectively provided with corresponding second accommodating grooves, and the second adsorption magnets are respectively arranged in the corresponding second accommodating grooves and are positioned and locked through corresponding second locking bolts.
The utility model has the advantages that:
the utility model relates to a teaching indicator pole when using, can directly merge into cylindric with 180 combinations of the front end of two gag lever posts of overturning backward to cup joint the tube-shape rubber handle in the front end of two gag lever posts. So two gag lever posts and locating lever alright use as the teaching with the instruction pole that has sufficient length, and the front end of two gag lever posts can merge into cylindricly, including the use of tube-shape rubber handle, alright light convenient right the utility model discloses hold and get. The utility model discloses an overall structure is stable, and does not have the independent part that the atress is weak, can effectively ensure the utility model discloses when using as the pilot lever, be difficult for producing rupture or deformation scheduling problem.
The utility model relates to a when taking scale ruler to use, directly inwards overturn 180 with two gag lever posts, make two gag lever posts respectively the card go into the spacing inslot of corresponding locating lever both sides can, mainly provide spacingly through first absorption magnet this moment. After two gag lever posts blocked corresponding spacing inslot respectively, the utility model discloses whole just directly become rectangular plate-like, and both sides still mark corresponding length dimension sign about and, can directly regard as the teaching to use with the ruler that takes the scale.
The utility model discloses on the basis that has length measurement and straight line drawing system, still increased the setting of semi-circular angle board to use the semi-circular locating hole of semi-circular angle board as the benchmark, the even distribution mark of upper surface at semi-circular angle board has 0-180 angle groove. Make the utility model discloses the accessible semi-circular angle board carries out angular surveying and angle line drawing system, effectively further promotes the utility model discloses an application function.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a usage state diagram of the present invention.
Fig. 3 is a schematic structural view of the stopper rod.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:
referring to fig. 1-3, a teaching indication rod for teaching comprises a positioning rod 1, a semicircular angle plate 2, a set of two corresponding limiting rods 3 and a cylindrical rubber handle 5, wherein the center of the linear bottom edge of the semicircular angle plate 2 is integrally and fixedly connected to the positioning rod 1, the center of the linear bottom edge of the semicircular angle plate 2 is provided with a corresponding semicircular positioning hole 4, and the upper surface of the semicircular angle plate 2 is uniformly and outwardly distributed with 0-180-degree angle scribed lines by taking the semicircular positioning hole 4 as the center; limiting grooves 6 for mounting the limiting rods are respectively formed in the two sides of the positioning rod 1 above the semicircular angle plate 2, the two limiting rods 3 are respectively clamped in the corresponding limiting grooves 6, and corresponding length size scale marks are respectively marked on the upper side and the lower side of the positioning rod 1; the rear ends of the two limiting rods 3 are both arranged in a plate shape, the front ends of the two limiting rods are both arranged in a semi-cylindrical shape, the rear ends of the two limiting rods 3 are hinged to two sides of the center of the linear bottom edge of the semi-circular angle plate 2 respectively, the front ends of the two limiting rods 3 are turned backwards for 180 degrees and then combined into a cylindrical shape, and the cylindrical rubber handle 4 is detachably sleeved at the front ends of the two limiting rods 3.
Two groups of corresponding first adsorption magnets 7 are respectively embedded on the inner sides of the rear ends of the two limiting rods 3 and the corresponding positions of the two limiting grooves 6. The inner sides of the rear ends of the two limiting rods 3 and the corresponding positions of the two limiting grooves 6 are respectively provided with corresponding first accommodating grooves, and the first adsorption magnets 7 are respectively embedded in the corresponding first accommodating grooves and are positioned and locked through corresponding first locking bolts.
And a group of corresponding second adsorption magnets 8 are respectively embedded on the outer sides of the front ends of the two limiting rods 3. The front end outer sides of the two limiting rods 3 are respectively provided with corresponding second accommodating grooves, and the second adsorption magnets 8 are respectively arranged in the corresponding second accommodating grooves and are positioned and locked through corresponding second locking bolts.
The utility model discloses can regard as the teaching indicator pole to use, and can relax convenient when using as the teaching indicator pole right the utility model discloses hold and get. Just the utility model discloses an overall structure is stable, is difficult for producing rupture or deformation scheduling problem. The utility model discloses still can directly regard as the teaching to use with taking the scale, carry out length measurement and straight line drawing system, on this basis, the utility model discloses can carry out angle measurement and angle line drawing system, effectively improve service function.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the present invention.
Claims (5)
1. The utility model provides a teaching indication rod for teaching, includes locating lever, semi-circular angle board, a set of two corresponding gag lever posts and tube-shape rubber handle, its characterized in that: the center of the linear bottom edge of the semicircular angle plate is integrally and fixedly connected to the positioning rod, a corresponding semicircular positioning hole is formed in the center of the linear bottom edge of the semicircular angle plate, and 0-180-degree angle scribed lines are uniformly distributed and marked outwards on the upper surface of the semicircular angle plate by taking the semicircular positioning hole as the center; limiting grooves for mounting the limiting rods are formed in the two sides of the positioning rod above the semicircular angle plate respectively, the two limiting rods are clamped in the corresponding limiting grooves respectively, and corresponding length dimension scale marks are marked on the upper side and the lower side of the positioning rod respectively; the rear ends of the two limiting rods are both arranged in a plate shape, the front ends of the two limiting rods are both arranged in a semi-cylindrical shape, the rear ends of the two limiting rods are hinged to two sides of the center of the linear bottom edge of the semi-circular angle plate respectively, the front ends of the two limiting rods are turned backwards for 180 degrees and then combined into a cylindrical shape, and the cylindrical rubber handle is detachably sleeved at the front ends of the two limiting rods.
2. An instructional cue as claimed in claim 1 wherein: two groups of corresponding first adsorption magnets are respectively embedded in the inner sides of the rear ends of the two limiting rods and the corresponding positions of the two limiting grooves.
3. An instructional cue as claimed in claim 2, wherein: the inner sides of the rear ends of the two limiting rods and corresponding positions of the two limiting grooves are respectively provided with corresponding first accommodating grooves, and the first adsorption magnets are respectively embedded in the corresponding first accommodating grooves and are positioned and locked through corresponding first locking bolts.
4. An instructional cue as claimed in claim 1 wherein: and a group of corresponding second adsorption magnets are respectively embedded on the outer sides of the front ends of the two limiting rods.
5. An instructional cue as claimed in claim 4 wherein: the outer sides of the front ends of the two limiting rods are respectively provided with corresponding second accommodating grooves, and the second adsorption magnets are respectively arranged in the corresponding second accommodating grooves and are positioned and locked through corresponding second locking bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999047.1U CN210244710U (en) | 2019-06-30 | 2019-06-30 | Teaching indication rod for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920999047.1U CN210244710U (en) | 2019-06-30 | 2019-06-30 | Teaching indication rod for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210244710U true CN210244710U (en) | 2020-04-03 |
Family
ID=69988568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920999047.1U Expired - Fee Related CN210244710U (en) | 2019-06-30 | 2019-06-30 | Teaching indication rod for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210244710U (en) |
-
2019
- 2019-06-30 CN CN201920999047.1U patent/CN210244710U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 Termination date: 20210630 |