CN211869026U

CN211869026U - Multifunctional marking device for teaching

Info

Publication number: CN211869026U
Application number: CN202020509842.0U
Authority: CN
Inventors: 申加利
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-06
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a teaching is with multi-functional marking device, including the chi body, the adjustment tank has been seted up on the chi body, the inside sliding connection of adjustment tank has the sliding block, sliding block sliding connection is in the inside of adjustment tank, the jack has been seted up on the sliding block, be provided with first scale mark and second scale mark on the lateral wall of the chi body, first scale mark sets up the border department in chi body both sides, the second scale mark sets up the border department at the adjustment tank, the utility model discloses the beneficial effect who reaches is: the utility model relates to a teaching is with multi-functional marking device simple structure, convenient to use through the slidable sliding block that sets up in the internal adjustment tank of ruler, can insert the chalk in the jack on the sliding block, adsorbs with the one end of chi body with the blackboard through the sucking disc and is connected, can drive the chi body through the poker rod and rotate to can draw different radial circles through the position of adjustment sliding block in the adjustment tank.

Description

Multifunctional marking device for teaching

Technical Field

The utility model relates to a marking device, in particular to multi-functional marking device is used in teaching belongs to marking device technical field.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society. Mathematics mr often needs draw rectangle or circular on the blackboard when teaching, and rectangle and circular need use respectively ruler and compasses when drawing, but the unable convenient straight line of drawing and the arc line of current marking device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a teaching is with multi-functional marking device, the effectual problem that exists of having solved among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a multi-functional marking device is used in teaching, including the chi body, the adjustment tank has been seted up on the chi body, the inside sliding connection of adjustment tank has the sliding block, sliding block sliding connection is in the inside of adjustment tank, the jack has been seted up on the sliding block, be provided with first scale mark and second scale mark on the lateral wall of the chi body, first scale mark sets up the border department in chi body both sides, the second scale mark sets up the border department at the adjustment tank, the one end rotation of the chi body is connected with the axis of rotation, the one end fixedly connected with sucking disc of axis of rotation.

As a preferred technical scheme of the utility model, equal fixedly connected with limit slide on the lateral wall of sliding block both sides, correspond limit slide and seted up spacing spout on the inner wall of adjustment tank, spacing spout and limit slide phase-match set up.

As an optimal technical scheme of the utility model, the one end that the sliding block was kept away from to spacing slider bonds and has the rubber slab, the inner wall contact of rubber slab and spacing spout.

As a preferred technical scheme of the utility model, it has a plurality of splint to articulate through hinge equidistant on the inner wall of jack, fixedly connected with elastic spring on the wallboard of hinge one side is kept away from to splint, elastic spring's the other end and the inner wall fixed connection of jack.

As a preferred technical scheme of the utility model, the one end that the axis of rotation was kept away from to the chi body is seted up flutedly, the inside of recess is provided with the turning block, the equal fixedly connected with round pin axle in both ends of turning block, the round pin axle rotates with the inner wall of recess to be connected, fixedly connected with poker rod on the turning block.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a teaching is with multi-functional marking device simple structure, convenient to use through the slidable sliding block that sets up in the internal adjustment tank of ruler, can insert the chalk in the jack on the sliding block, adsorbs with the one end of chi body with the blackboard through the sucking disc and is connected, can drive the chi body through the poker rod and rotate to can draw different radial circles through the position of adjustment sliding block in the adjustment tank.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is the internal structure schematic diagram of the middle sliding block of the present invention.

In the figure: 1. a ruler body; 2. an adjustment groove; 3. a slider; 4. a limiting slide block; 5. a limiting chute; 6. a rubber plate; 7. a jack; 8. a hinge; 9. a splint; 10. an elastic spring; 11. a first scale mark; 12. a second scale mark; 13. a rotating shaft; 14. a suction cup; 15. a groove; 16. rotating the block; 17. a pin shaft; 18. a poke rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model relates to a multi-functional marking device is used in teaching, including the chi body 1, adjustment tank 2 has been seted up on the chi body 1, the inside sliding connection of adjustment tank 2 has sliding block 3, sliding block 3 sliding connection is in the inside of adjustment tank 2, jack 7 has been seted up on sliding block 3, be provided with first scale mark 11 and second scale mark 12 on the lateral wall of the chi body 1, first scale mark 11 sets up the border department in chi body 1 both sides, second scale mark 12 sets up the border department at adjustment tank 2, the one end rotation of the chi body 1 is connected with axis of rotation 13, the one end fixedly connected with sucking disc 14 of axis of rotation 13.

Equal fixedly connected with limit slide 4 on the lateral wall of sliding block 3 both sides, limit chute 5 has been seted up to corresponding limit slide 4 on the inner wall of adjustment tank 2, limit chute 5 sets up with limit slide 4 phase-match, sliding block 3 can drive limit slide 4 and slide in limit chute 5's inside when the inside of adjustment tank 2 slides, limit slide 4 can make sliding block 3 more stable when the inside of adjustment tank 2 slides when the inside of limit chute 5 slides.

The one end that slider 3 was kept away from to spacing slider 4 bonds and has rubber slab 6, and rubber slab 6 contacts with the inner wall of spacing spout 5, and rubber slab 6 can be so that spacing slider 4 resistance grow when the inside of spacing spout 5 slides for slider 3 can not remove at will in the inside of adjustment tank 2.

A plurality of clamping plates 9 are hinged to the inner wall of the jack 7 at equal intervals through the hinge 8, the clamping plates 9 are fixedly connected with elastic springs 10 on the plate wall of one side, away from the hinge 8, the other ends of the elastic springs 10 are fixedly connected with the inner wall of the jack 7, and the clamping plates 9 can effectively clamp the chalk under the elastic action of the elastic springs 10.

The one end that the chi body 1 kept away from axis of rotation 13 has seted up recess 15, and the inside of recess 15 is provided with turning block 16, and the equal fixedly connected with round pin axle 17 in both ends of turning block 16, round pin axle 17 rotate with the inner wall of recess 15 and are connected, and fixedly connected with poker rod 18 on the turning block 16 can be convenient for take chi body 1 through upset poker rod 18.

Specifically, the utility model discloses during the use, adsorb sucking disc 14 on the blackboard when drawing the straight line, handheld poker rod 18, can draw the straight line along first scale mark 11 on the chi body 1, when drawing the circle, adsorb sucking disc 14 on the blackboard equally, insert the inside to jack 7 with the one end of chalk again, the outer wall of chalk promotes splint 9 and removes towards the inner wall of jack 7, splint 9 can effectually carry out the centre gripping spacingly to the chalk under the spring action of elastic spring 10, through the position of adjustment sliding block 3 in adjustment tank 2, can adjust the radius of the circle of drawing, can drive chi body 1 through handheld poker rod 18 and use sucking disc 14 to rotate as the centre of a circle, thereby draw the circle on the blackboard.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional marking device is used in teaching, its characterized in that, includes the chi body (1), adjustment tank (2) have been seted up on the chi body (1), the inside sliding connection of adjustment tank (2) has sliding block (3), sliding block (3) sliding connection is in the inside of adjustment tank (2), jack (7) have been seted up on sliding block (3), be provided with first scale mark (11) and second scale mark (12) on the lateral wall of the chi body (1), first scale mark (11) set up the border department in chi body (1) both sides, second scale mark (12) set up the border department in adjustment tank (2), the one end of the chi body (1) is rotated and is connected with axis of rotation (13), the one end fixedly connected with sucking disc (14) of axis of rotation (13).

2. The multifunctional marking device for teaching as claimed in claim 1, wherein the side walls of both sides of the sliding block (3) are fixedly connected with limit sliding blocks (4), the inner wall of the adjusting groove (2) is provided with limit sliding grooves (5) corresponding to the limit sliding blocks (4), and the limit sliding grooves (5) are matched with the limit sliding blocks (4).

3. The multifunctional marking device for teaching as claimed in claim 2, wherein a rubber plate (6) is bonded to one end of the limiting sliding block (4) far away from the sliding block (3), and the rubber plate (6) is in contact with the inner wall of the limiting sliding groove (5).

4. The multifunctional marking device for teaching as claimed in claim 1, wherein a plurality of clamping plates (9) are hinged to the inner wall of the insertion hole (7) at equal intervals through hinges (8), an elastic spring (10) is fixedly connected to the plate wall of one side, away from the hinges (8), of each clamping plate (9), and the other end of each elastic spring (10) is fixedly connected with the inner wall of the insertion hole (7).

5. The multifunctional marking device for teaching as claimed in claim 1, wherein a groove (15) is formed in one end of the ruler body (1) far away from the rotating shaft (13), a rotating block (16) is arranged inside the groove (15), both ends of the rotating block (16) are fixedly connected with a pin shaft (17), the pin shaft (17) is rotatably connected with the inner wall of the groove (15), and a poke rod (18) is fixedly connected to the rotating block (16).