CN212313146U

CN212313146U - Classroom drawing device

Info

Publication number: CN212313146U
Application number: CN202020899966.4U
Authority: CN
Inventors: 王素舟
Original assignee: Jiangsu Vocational College of Finance and Economics
Current assignee: Jiangsu Vocational College of Finance and Economics
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-08
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a classroom drawing device, inhale stone one including magnetism, one side fixed mounting of stone one is inhaled to magnetism has the bracing piece, the preformed groove has been seted up to the inside of bracing piece, the bottom fixed mounting of stone one is inhaled to magnetism has reset spring, reset spring's bottom fixed mounting inhales stone two, the outside movable mounting of bracing piece has movable cardboard, the inside fixed mounting of activity cardboard has the connection slide. This classroom drawing device, magnetism inhale stone one can be when using and the upper and lower both ends of blackboard adsorb each other, the stability of this device when being favorable to increasing the drawing, and the design of this kind of resilience of reset spring can also improve this drawing device's application scope, the practicality of device has been improved, the activity cardboard can reciprocate, horizontal adjustment chi also can remove from top to bottom when drawing like this, conveniently increase the drawing scope, the design in gomphosis groove can improve the stability of activity cardboard when the activity.

Description

Classroom drawing device

Technical Field

The utility model relates to a classroom teaching technical field specifically is a classroom drawing device.

Background

Classroom teaching is a commonly used means in education and teaching, is the whole process of teaching knowledge and skills to students by teachers, and mainly comprises teacher explanation, student question and answer, teaching activities and all teaching aids used in the teaching process. Compiling students with the same or similar ages and knowledge degrees into a class group with a fixed number of people; organizing teaching materials and selecting a proper teaching method according to the contents specified by the teaching outline of each department; and according to a fixed time schedule, giving lessons to students throughout the class in a teaching organization form.

However, in the existing classroom teaching, especially in the mathematics classroom, the drawing is often required to be explained, the traditional drawing tool has a relatively single function, which is not beneficial to improving the simplicity of drawing, and the general drawing device is still troublesome to use, so that the drawing process cannot be simplified, and the use convenience is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a classroom drawing device to current classroom teaching among the solution above-mentioned background art, often need the drawing to explain on especially the mathematics classroom, traditional drawing tool effect is single relatively, is unfavorable for improving the simplicity of drawing, and general drawing device uses moreover still more troublesome, can not simplify the drawing process, improves its problem of using the convenience.

In order to achieve the above object, the utility model provides a following technical scheme: a classroom drawing device comprises a magnetic stone I, wherein a supporting rod is fixedly installed on one side of the magnetic stone I, a reserved groove is formed in the supporting rod, a return spring is fixedly installed at the bottom end of the magnetic stone I, a magnetic stone II is fixedly installed at the bottom end of the return spring, a movable clamping plate is movably installed on the outer side of the supporting rod, a connecting sliding plate is fixedly installed in the movable clamping plate, a semicircular ruler is movably installed on the right side of the supporting rod, a transverse adjusting ruler is movably installed on the front end face of the right side of the movable clamping plate, a rotating rod is movably installed in the left side of the transverse adjusting ruler, a rebounding clamping block is movably installed on the rear end face of the left side of the transverse adjusting ruler, a reserved groove is formed in the right side of the transverse adjusting ruler, an elastic support block is movably installed in the reserved groove, and a clamping external, the inside middle section of the outside chi of block has seted up the location cave hole, the inside right side of bracing piece has seted up the gomphosis groove.

Preferably, the first magnetic absorption stones are symmetrical up and down, the first magnetic absorption stones are integrally connected with the supporting rod, the supporting rod and the reserved groove are mutually penetrated, and the return spring is integrally connected with the first magnetic absorption stones.

Preferably, the movable clamping plate is connected with the supporting rod in a sleeved mode, the connecting sliding plate is integrally connected with the movable clamping plate, and the connecting sliding plate is connected with the embedding groove in a sleeved mode.

Preferably, the semicircular ruler is connected with the outer side of the supporting rod in a sleeved mode, the movable clamping plate is connected with the transverse adjusting ruler in a fitted mode, and the transverse adjusting ruler is connected with the rotating rod in a sleeved mode.

Preferably, transversely adjust the chi and establish for the cover with the outside chi of block and be connected, the quantity that the elasticity propped up the piece setting is two, and two elasticity propped up the elastic design of piece for bilateral mutual symmetry.

Preferably, the rebound clamping block is designed in a zigzag shape, the rebound clamping block is connected with the semicircular ruler in a sleeved mode, and the rebound clamping block is elastically connected with the inner portion of the transverse adjusting ruler.

Compared with the prior art, the beneficial effects of the utility model are that: the classroom drawing device has the advantages that the first magnetic suction stone can be mutually adsorbed with the upper end and the lower end of the blackboard when in use, the stability of the device is favorably improved when in drawing, the application range of the drawing device can be further improved due to the rebound design of the reset spring, the practicability of the device is improved, the movable clamping plate can move up and down, so that the transverse adjusting ruler can also move up and down when in drawing, the drawing range is conveniently increased, the stability of the movable clamping plate can be improved due to the design of the embedding groove, the rotating angle of the transverse adjusting ruler can be well calibrated due to the semicircular ruler, the drawing effect can be improved, the transverse adjusting ruler can be fastened by the rotating rod, the rotating angle of the transverse adjusting ruler can be adjusted, the elastic support blocks can rebound mutually, the chalk can be clamped, better help can be used for drawing when in actual use, and the rebound clamping block can clamp the semicircular ruler, stabilize the horizontal regulation chi for the device is more simple and convenient to use.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the structure of the present invention;

fig. 4 is a back structure view of the present invention.

In the figure: 1. magnetically attracting the first stone; 2. a support bar; 3. reserving a groove; 4. a return spring; 5. magnetically attracting a second stone; 6. a movable clamping plate; 7. connecting a sliding plate; 8. a semicircular ruler; 9. a transverse adjusting ruler; 10. rotating the rod; 11. a rebound clamping block; 12. reserving a groove; 13. an elastic support block; 14. clamping an external ruler; 15. positioning the recessed hole; 16. a fitting groove.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a classroom drawing device comprises a magnetic stone I1, a supporting rod 2 is fixedly installed on one side of the magnetic stone I1, a reserved groove 3 is formed in the supporting rod 2, a reset spring 4 is fixedly installed at the bottom end of the magnetic stone I1, a magnetic stone II 5 is fixedly installed at the bottom end of the reset spring 4, a movable clamping plate 6 is movably installed on the outer side of the supporting rod 2, a connecting sliding plate 7 is fixedly installed in the movable clamping plate 6, a semicircular ruler 8 is movably installed on the right side of the supporting rod 2, a transverse adjusting ruler 9 is movably installed on the front end face of the right side of the movable clamping plate 6, a rotating rod 10 is movably installed in the left side of the transverse adjusting ruler 9, a rebound clamping block 11 is movably installed on the rear end face of the left side of the transverse adjusting ruler 9, a reserved groove 12 is formed in the right side of the transverse adjusting ruler 9, an elastic support block 13 is movably installed in, a positioning recess hole 15 is formed in the middle section of the inside of the engaging outer ruler 14, and an engaging groove 16 is formed in the right side of the inside of the support rod 2.

The utility model discloses in: the magnetic stone I1 is designed to be symmetrical up and down, the magnetic stone I1 and the support rod 2 are integrally connected, the support rod 2 and the reserved groove 3 are designed to penetrate through each other, and the return spring 4 and the magnetic stone I1 are integrally connected; the magnet stone 1 can adsorb each other with the upper and lower both ends of blackboard when using, is favorable to increasing the stability of this device when drawing to the design of this kind of resilience of reset spring 4 can also improve this drawing device's application scope, has improved the practicality of device.

The utility model discloses in: the movable clamping plate 6 is connected with the supporting rod 2 in a sleeved mode, the connecting sliding plate 7 is integrally connected with the movable clamping plate 6, and the connecting sliding plate 7 is connected with the embedding groove 16 in a sleeved mode; the activity cardboard 6 can reciprocate, and horizontal adjustment chi 9 also can remove from top to bottom when drawing like this, conveniently increases the drawing scope, and the stability of activity cardboard 6 when the activity can be improved in the design of gomphosis groove 16.

The utility model discloses in: the semicircular ruler 8 is connected with the outer side of the supporting rod 2 in a sleeved mode, the movable clamping plate 6 is connected with the transverse adjusting ruler 9 in a fitted mode, and the transverse adjusting ruler 9 is connected with the rotating rod 10 in a sleeved mode; semicircle chi 8 can be fine calibrate the rotatory angle of transversely adjusting chi 9, help improves the plotting effect, and rotary rod 10 can also fasten transversely adjusting chi 9 moreover, adjusts the rotation angle of transversely adjusting chi 9.

The utility model discloses in: the transverse adjusting ruler 9 is connected with the clamping external ruler 14 in a sleeved mode, the number of the elastic support blocks 13 is two, and the two elastic support blocks 13 are designed to be symmetrical left and right in an elastic mode; the elastic support blocks 13 can rebound mutually to help the chalk to be clamped, and in actual use, drawing can be better helped.

The utility model discloses in: the rebound clamping block 11 is designed in a zigzag shape, the rebound clamping block 11 is sleeved and connected with the semicircular ruler 8, and the rebound clamping block 11 is elastically connected with the inner part of the transverse adjusting ruler 9; the rebound clamping block 11 can clamp the semicircular ruler 8 and stabilize the transverse adjusting ruler 9, so that the device is more convenient to use.

The working principle is as follows: when using the drawing device, firstly, the magnetic stone 1 and the magnetic stone 5 on the left side are required to be clamped and installed on the inner wall of the blackboard, then the device is adjusted according to the pattern to be drawn, the transverse adjusting ruler 9 is designed to be capable of adjusting the length, the device stretches out and draws the straight line with the clamping external ruler 14, the transverse adjusting ruler 9 can rotate, the chalk is clamped inside the reserved groove 12, the transverse adjusting ruler 9 can rotate to drive the chalk to rotate to complete the drawing circle, the transverse adjusting ruler 9 can also rotate to a proper angle, the straight line is drawn on the upper end of the transverse adjusting ruler, and the drawing device is used for drawing triangles with different angles.

In summary, the following steps: the classroom drawing device has the advantages that the magnetic suction stones 1 can be mutually adsorbed with the upper end and the lower end of a blackboard when in use, the stability of the device is favorably improved when in drawing, the application range of the drawing device can be further improved due to the rebound design of the reset spring 4, the practicability of the device is improved, the movable clamping plate 6 can move up and down, so that the transverse adjusting ruler 9 can also move up and down when in drawing, the drawing range is conveniently increased, the stability of the movable clamping plate 6 can be improved due to the design of the embedding groove 16, the rotating angle of the transverse adjusting ruler 9 can be well calibrated due to the semicircular ruler 8, the drawing effect can be improved by help, the transverse adjusting ruler 9 can be fastened by the rotating rod 10, the rotating angle of the transverse adjusting ruler 9 can be adjusted, the elastic support blocks 13 can rebound mutually, chalk can be clamped by help, and better help can be used for drawing when in practice, the rebound clamping block 11 can clamp the semicircular ruler 8 and stabilize the transverse adjusting ruler 9, so that the device is more convenient to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 classroom drawing device, includes magnetism and inhales stone one (1), its characterized in that: the magnetic stone magnet is characterized in that a supporting rod (2) is fixedly mounted on one side of a first magnetic stone (1), a reserved groove (3) is formed in the supporting rod (2), a reset spring (4) is fixedly mounted at the bottom end of the first magnetic stone (1), a second magnetic stone (5) is fixedly mounted at the bottom end of the reset spring (4), a movable clamping plate (6) is movably mounted on the outer side of the supporting rod (2), a connecting sliding plate (7) is fixedly mounted in the movable clamping plate (6), a semicircular ruler (8) is movably mounted on the right side of the supporting rod (2), a transverse adjusting ruler (9) is movably mounted on the front right side end face of the movable clamping plate (6), a rotating rod (10) is movably mounted in the left side of the transverse adjusting ruler (9), a rebounding clamping block (11) is movably mounted on the rear left side end face of the transverse adjusting ruler (9), a reserved groove (12) is, the inside movable mounting of preformed groove (12) has elasticity piece (13), the outside swing joint in right side of horizontal regulation chi (9) has the outside chi of block (14), location sunken hole (15) have been seted up to the inside middle section of the outside chi of block (14), gomphosis groove (16) have been seted up on the inside right side of bracing piece (2).

2. A classroom drawing device as claimed in claim 1, wherein: the magnetic stone comprises a magnetic stone body (1), a supporting rod (2), a reset spring (4) and the magnetic stone body (1), wherein the magnetic stone body (1) is symmetrical up and down, the magnetic stone body (1) and the supporting rod (2) are connected in an integrated mode, the supporting rod (2) and the reserved groove (3) are mutually penetrated in a penetrating mode, and the magnetic stone body (1) is connected in an integrated mode.

3. A classroom drawing device as claimed in claim 1, wherein: the movable clamping plate (6) is connected with the supporting rod (2) in a sleeved mode, the connecting sliding plate (7) is connected with the movable clamping plate (6) in an integrated mode, and the connecting sliding plate (7) is connected with the embedding groove (16) in a sleeved mode.

4. A classroom drawing device as claimed in claim 1, wherein: the semicircular ruler (8) is connected with the outer side of the supporting rod (2) in a sleeved mode, the movable clamping plate (6) is connected with the transverse adjusting ruler (9) in a fitted mode, and the transverse adjusting ruler (9) is connected with the rotating rod (10) in a sleeved mode.

5. A classroom drawing device as claimed in claim 1, wherein: the transverse adjusting ruler (9) is connected with the clamping external ruler (14) in a sleeved mode, the number of the elastic support blocks (13) is two, and the two elastic support blocks (13) are designed to be symmetrical left and right.

6. A classroom drawing device as claimed in claim 1, wherein: the rebounding clamping block (11) is in a folded line shape, the rebounding clamping block (11) is connected with the semicircular ruler (8) in a sleeved mode, and the rebounding clamping block (11) is in elastic connection with the inner portion of the transverse adjusting ruler (9).