CN216069406U

CN216069406U - University's mathematics teaching tool that facilitates use

Info

Publication number: CN216069406U
Application number: CN202122624706.3U
Authority: CN
Inventors: 孟婧伟
Original assignee: Chengde Vocational College Of Applied Technology
Current assignee: Chengde Vocational College Of Applied Technology
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-18
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of teaching tools and discloses a college mathematics teaching tool convenient to use. This university's mathematics teaching instrument that facilitates use, the inside through angulometer board and connecting block rotates with the surface of stabilizer bar, the teacher of being convenient for inserts sheathed tube inside with the chalk and draws the circle on the blackboard, make the teacher can use this device to draw after forgetting special compasses, do not need the teacher to go the office again and get special compasses, the practicality of the device has been improved, drive the lock bar through the movable plate and move to the inboard and extrude the spring, be convenient for lock bar and locking groove cancellation joint, the staff's of being convenient for adjusts sheathed tube position, can shorten the time that the teacher adjusted, thereby teacher's teaching efficiency has been improved.

Description

University's mathematics teaching tool that facilitates use

Technical Field

The utility model relates to the technical field of teaching tools, in particular to a college mathematics teaching tool convenient to use.

Background

The teaching aid is a general name which enables students to understand various appliances used by teaching contents visually and vividly and enables the students to use the appliances when giving lessons, and when college mathematics teaching draws circles, the teaching special compasses are needed to be used, and when the special compasses are forgotten to be carried, the circles can not be drawn, so that the teaching efficiency of the teachers is reduced.

For example, a college mathematics teaching tool provided in chinese patent publication No. CN211641619U, which is described basically as follows: including the protractor, the first fixed plate of bottom fixedly connected with of protractor, its practical novel adjustment mechanism through setting up is convenient for fix the chalk, and through the positioning mechanism who sets up, the chalk of being convenient for is round the rotatory drawing circle of positioning mechanism, but the practicality of its device is relatively poor, and the time of its device adjustment mechanism left and right sides regulation is longer, has reduced teacher's regulation efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a university mathematics teaching tool which is convenient to use, and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a college mathematics teaching tool convenient to use comprises a first holding rod arranged inside a angle measuring plate, wherein the front of the angle measuring plate is fixedly connected with a connecting block, the front of the connecting block is fixedly connected with a connecting plate, the outer surface of the first holding rod is fixedly connected with a second holding rod, the other end of the second holding rod is rotatably connected with a stabilizing rod through a bearing, the lower surface of the stabilizing rod is bonded with an anti-slip pad, the upper surface of the angle measuring plate is provided with scale marks, the inner side surfaces of the angle measuring plate and the connecting plate are respectively provided with a locking groove, the inner side surfaces of the angle measuring plate and the connecting plate are respectively provided with a horizontal sliding groove, the inner side surface of the horizontal sliding groove is slidably connected with a horizontal sliding plate, the inner side surface of the horizontal sliding plate is fixedly connected with a side plate, the inner side surface of the horizontal sliding plate is fixedly connected with a sleeve for containing chalk, the utility model discloses a side plate, including curb plate, inboard side, the inside sliding connection who stabilizes the spout has the stable slider, the medial surface fastening connection who stabilizes the slider has the movable plate, the lateral surface of movable plate is fixed to be pegged graft and is had the locking pole, the inboard of curb plate is provided with the spring, and the medial surface of two sets of movable plates is supported in elasticity respectively at the both ends of spring elasticity direction.

Preferably, the stabilizing sliding groove is a T-shaped groove, the stabilizing sliding block is a T-shaped block, and the thickness of the stabilizing sliding block is half of that of the side plate.

Preferably, both ends of the outer surface of the stabilizer bar are fixedly sleeved with limiting circular plates, and the outer diameter of each limiting circular plate is three times of the diameter of the stabilizer bar.

Preferably, the distance between the lower surface of the non-slip mat and the lower surface of the angle plate is three millimeters, and the outer diameter of the non-slip mat is the same as that of a limiting circular plate sleeved on the outer surface of the stabilizer bar.

Preferably, the inner side surface of the moving plate is provided with a connecting sliding groove for enabling the transverse plates to have the same width and height.

Preferably, the one end that the locking pole inserted the locking groove is done the radius angle and is handled, the radius that the locking pole inserted the locking groove one end radius angle is ten millimeters.

(III) advantageous effects

Compared with the prior art, the utility model provides a university mathematics teaching tool convenient to use, and the university mathematics teaching tool has the following beneficial effects:

1. this university's mathematics teaching instrument that facilitates use, the inside through angulometer board and connecting block rotates with the surface of stabilizer bar, the teacher of being convenient for inserts sheathed tube inside with the chalk and draws the circle on the blackboard, make the teacher can use this device to draw after forgetting special compasses, do not need the teacher to go the office again and get special compasses, the practicality of the device has been improved, drive the lock bar through the movable plate and move to the inboard and extrude the spring, be convenient for lock bar and locking groove cancellation joint, the staff's of being convenient for adjusts sheathed tube position, can shorten the time that the teacher adjusted, thereby teacher's teaching efficiency has been improved.

2. This university's mathematics teaching instrument that facilitates use, through the first holding rod that sets up, the teacher of being convenient for carries the device, can reduce the hard degree that the teacher carried the device, thereby the practicality of the device has been improved, through the second holding rod that sets up, the teacher of being convenient for controls the device when using the device to draw the circle, can avoid top weight overweight, lead to the teacher to draw the hard condition of circle to take place, thereby the practicality of the device has further been improved, the teacher of being convenient for uses.

3. This university's mathematics teaching instrument that facilitates use, slide in the inside of stabilizing the spout through stabilizing the slider, can improve the stability that the movable plate removed, can improve and keep the level when the lock pole removes, can improve the precision that the lock pole inserted the locking groove, the staff of being convenient for adjusts the position of chalk, thereby the device's practicality has been improved, slide with the surface of diaphragm through the inside of movable plate, can further improve the stability that the movable plate removed, the range of rocking when can avoiding the movable plate to remove, can also improve the smoothness nature that the movable plate removed, thereby the device stability of operation has been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a stabilizer bar according to the present invention;

FIG. 3 is a schematic cross-sectional view of the side panel of the present invention.

In the figure: 1. a angle measuring plate; 2. a first holding rod; 3. connecting blocks; 4. a connecting plate; 5. a second holding rod; 6. a stabilizer bar; 7. a non-slip mat; 8. scale lines; 9. a locking groove; 10. a horizontal chute; 11. a horizontal sliding plate; 12. a side plate; 13. a transverse plate; 14. a sleeve; 15. a stabilizing chute; 16. stabilizing the slide block; 17. moving the plate; 18. a lock lever; 19. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a university mathematics teaching tool convenient to use comprises a first holding rod 2 arranged inside a angle measuring plate 1, and a teacher can conveniently carry the device by the arranged first holding rod 2, so that the difficulty of carrying the device by the teacher can be reduced, the practicability of the device is improved, the front side of the angle measuring plate 1 is tightly connected with a connecting block 3, the angle measuring plate 1 and the connecting block 3 rotate with the outer surface of a stabilizing rod 6, the teacher can conveniently draw a circle on a blackboard by inserting chalk into a sleeve 14, the teacher can draw a picture by using the device after forgetting to take a special compass, the practicability of the device is improved without the teacher going to an office again to take the special compass, the front side of the connecting block 3 is tightly connected with a connecting plate 4, the outer surface of the first holding rod 2 is tightly connected with a second holding rod 5, and the teacher can conveniently control the device when using the device to draw the circle by the arranged second holding rod 5, the device can avoid the situation that the top is too heavy to cause the teacher to draw circles laboriously, thereby further improving the practicability of the device, and being convenient for the teacher to use, the other end of the second holding rod 5 is rotationally connected with a stabilizer bar 6 through a bearing, a non-slip mat 7 is bonded on the lower surface of the stabilizer bar 6, the upper surface of the angle measuring plate 1 is provided with scale marks 8, the inner sides of the angle measuring plate 1 and the connecting plate 4 are both provided with locking grooves 9, the inner sides of the angle measuring plate 1 and the connecting plate 4 are both provided with horizontal sliding grooves 10, the inner sides of the horizontal sliding grooves 10 are slidably connected with horizontal sliding plates 11, the inner sides of the horizontal sliding plates 11 are fixedly connected with side plates 12, the inner sides of the side plates 12 are fixedly connected with transverse plates 13, the inner sides of the transverse plates 13 are fixedly connected with sleeves 14 for holding chalks, the inner sides of the side plates 12 are provided with stabilizing sliding grooves 15, and the inner sides of the stabilizing sliding grooves 15 are slidably connected with stabilizing sliding blocks 16, the moving stability of the moving plate 17 can be improved by sliding the stabilizing slide block 16 in the stabilizing slide groove 15, the moving stability of the locking rod 18 can be improved, the level of the locking rod 18 can be improved when moving, the accuracy of inserting the locking rod 18 into the locking groove 9 can be improved, workers can conveniently adjust the position of chalk, so that the practicability of the device is improved, the moving plate 17 is tightly connected to the inner side surface of the stabilizing slide block 16, the moving stability of the moving plate 17 can be further improved by sliding the inner part of the moving plate 17 and the outer surface of the transverse plate 13, the shaking amplitude of the moving plate 17 when moving can be avoided, the moving smoothness of the moving plate 17 can be improved, so that the running stability of the device is improved, the locking rod 18 is fixedly inserted in the outer side surface of the moving plate 17, the locking rod 18 is driven by the moving plate 17 to move inwards and extrude the spring 19, so that the locking rod 18 and the locking groove 9 can be conveniently cancelled, the position of the sleeve 14 is convenient for the staff to adjust, the time of teacher's adjustment can be shortened, and therefore the teaching efficiency of the teacher is improved, the inner side of the side plate 12 is provided with the spring 19, and two ends of the spring 19 in the elastic direction respectively elastically abut against the inner side surfaces of the two groups of movable plates 17.

In order to improve the practicability of the device, the stabilizing sliding groove 15 is arranged to be a T-shaped groove, the stabilizing sliding block 16 is a T-shaped block, the thickness of the stabilizing sliding block 16 is half of that of the side plate 12, and the situation that the stabilizing sliding block 16 and the stabilizing sliding groove 15 slip off can be avoided during use.

In order to improve the operation stability of the device, the two ends of the outer surface of the stabilizer bar 6 are fixedly sleeved with limiting circular plates, the outer diameter of each limiting circular plate is three times of the diameter of the stabilizer bar 6, and the stabilizer bar 6 cannot shake up and down when rotating inside the angle measuring plate 1 when in use.

In order to improve the practicability of the device, the distance between the lower surface of the anti-slip pad 7 and the lower surface of the angle plate 1 is set to be three millimeters, the outer diameter of the anti-slip pad 7 is the same as that of a limiting circular plate sleeved on the outer surface of the stabilizer bar 6, the anti-slip pad 7 is convenient to contact with a blackboard when the device is used, and workers can rotate the angle plate 1 conveniently.

In order to improve the operation stability of the device, the inner side surface of the moving plate 17 is provided with connecting sliding grooves for the transverse plates 13 to have the same width and height, so that the two groups of moving plates 17 can move stably when in use.

In order to improve the operation stability of the device, one end of the locking rod 18 inserted into the locking groove 9 is rounded, the radius of the rounded end of the locking rod 18 inserted into the locking groove 9 is ten millimeters, and the locking rod 18 can be conveniently inserted into the locking groove 9 in use.

When the device is used, the first holding rod 2 is used for facilitating the movement of the device, when circles need to be drawn on a blackboard, the anti-slip mat 7 is contacted with the blackboard, chalk is inserted into the sleeve 14, when the horizontal position of the chalk needs to be adjusted, the moving plate 17 moves inwards and presses the spring 19, the moving plate 17 drives the locking rod 18 to move inwards, the locking rod 18 is not clamped with the locking groove 9, the sleeve 14 moves leftwards and rightwards, the sleeve 14 drives the transverse plate 13 to move, the transverse plate 13 drives the side plate 12 to move, the side plate 12 drives the horizontal sliding plate 11 to move, the horizontal sliding plate 11 slides in the horizontal sliding groove 10, when the sleeve 14 moves to a specified position, the moving plate 17 is slowly released, the spring 19 extends to drive the moving plate 17 to move outwards, the moving plate 17 drives the locking rod 18 to move outwards, the locking rod 18 is inserted into the locking groove 9, a teacher holds the chalk with one hand and holds the second holding rod 5 with the other hand, the sleeve 14 is rotated by applying a slight force in the direction of the blackboard, and the circle is drawn, and the slip-proof pad and the stabilizer bar 6 are not rotated because the slip-proof pad 7 is in contact with the blackboard at the bottom of the stabilizer bar 6.

To sum up, this university's mathematics teaching instrument that facilitates use, the inside of passing through quantity scute 1 and connecting block 3 rotates with the surface of stabilizer bar 6, the teacher of being convenient for draws the circle on the blackboard with the inside that the chalk inserted sleeve pipe 14, make the teacher can use this device to draw after forgetting the special compasses, do not need the teacher to go the office again and get special compasses, the practicality of the device has been improved, it removes and extrudees spring 19 to the inboard to drive locking pole 18 through movable plate 17, be convenient for locking pole 18 and locking groove 9 cancel the joint, the staff's of being convenient for position of adjusting sleeve pipe 14, the time that the teacher adjusted can be shortened, thereby teacher's teaching efficiency has been improved.

This university's mathematics teaching instrument that facilitates use, through the first holding rod 2 that sets up, the teacher of being convenient for carries the device, can reduce the hard degree that the teacher carried the device, thereby the practicality of the device has been improved, through the second holding rod 5 that sets up, the teacher of being convenient for controls the device when using the device to draw the circle, can avoid top weight overweight, lead to the teacher to draw the hard condition of circle and take place, thereby the practicality of the device has further been improved, the teacher of being convenient for uses.

This university's mathematics teaching instrument that facilitates use, slide in the inside of stabilizing spout 15 through stabilizing slider 16, can improve the stability that movable plate 17 removed, can improve and keep the level when locking pole 18 removes, can improve the precision that locking pole 18 inserted locking groove 9, the staff of being convenient for adjusts the position of chalk, thereby the practicality of the device has been improved, slide through the inside of movable plate 17 and the surface of diaphragm 13, the stability that movable plate 17 removed can further be improved, the range of rocking when avoiding movable plate 17 to remove, the smoothness nature that movable plate 17 removed can also be improved, thereby the stability of the device operation has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A university's mathematics teaching tool that facilitates use, includes first holding rod (2) of arranging inside graduated flask board (1), its characterized in that: the front side of the angle measuring plate (1) is fixedly connected with a connecting block (3), the front side of the connecting block (3) is fixedly connected with a connecting plate (4), the outer surface of the first holding rod (2) is fixedly connected with a second holding rod (5), the other end of the second holding rod (5) is rotatably connected with a stabilizing rod (6) through a bearing, an anti-slip pad (7) is bonded on the lower surface of the stabilizing rod (6), scale marks (8) are arranged on the upper surface of the angle measuring plate (1), locking grooves (9) are formed in the inner side surfaces of the angle measuring plate (1) and the connecting plate (4), horizontal sliding grooves (10) are formed in the inner side surfaces of the angle measuring plate (1) and the connecting plate (4), horizontal sliding plates (11) are slidably connected in the horizontal sliding grooves (10), side plates (12) are fixedly connected with the inner side surfaces of the horizontal sliding plates (11), and transverse plates (13) are fixedly connected with the inner side surfaces of the side plates (12), the chalk box is characterized in that a sleeve (14) used for containing chalk is fixedly connected to the inner side face of the transverse plate (13), a stabilizing sliding groove (15) is formed in the inner side face of the side plate (12), a stabilizing sliding block (16) is connected to the inside of the stabilizing sliding groove (15) in a sliding mode, a moving plate (17) is fixedly connected to the inner side face of the stabilizing sliding block (16), a locking rod (18) is fixedly inserted into the outer side face of the moving plate (17), a spring (19) is arranged on the inner side of the side plate (12), and two ends of the spring (19) in the elastic direction respectively elastically abut against the inner side faces of the two groups of moving plates (17).

2. A college mathematics teaching tool that facilitates use, according to claim 1, wherein: the stabilizing sliding groove (15) is a T-shaped groove, the stabilizing sliding block (16) is a T-shaped block, and the thickness of the stabilizing sliding block (16) is one half of that of the side plate (12).

3. A college mathematics teaching tool that facilitates use, according to claim 1, wherein: both ends of the outer surface of the stabilizer bar (6) are fixedly sleeved with limiting circular plates, and the outer diameter of each limiting circular plate is three times that of the stabilizer bar (6).

4. A college mathematics teaching tool that facilitates use, according to claim 3, characterized in that: the distance between the lower surface of the anti-skid pad (7) and the lower surface of the angle measuring plate (1) is three millimeters, and the outer diameter of the anti-skid pad (7) is the same as that of a limiting circular plate sleeved on the outer surface of the stabilizer bar (6).

5. A college mathematics teaching tool that facilitates use, according to claim 1, wherein: and the inner side surface of the moving plate (17) is provided with a connecting sliding groove for enabling the transverse plate (13) to have the same width and height.

6. A college mathematics teaching tool that facilitates use, according to claim 1, wherein: one end of the locking rod (18) inserted into the locking groove (9) is subjected to rounding treatment, and the radius of the rounding at the end of the locking rod (18) inserted into the locking groove (9) is ten millimeters.