CN214606781U

CN214606781U - Economic management learns with multi-functional statistics device

Info

Publication number: CN214606781U
Application number: CN202120072479.5U
Authority: CN
Inventors: 朱敏; 江朝; 杨丽娟
Original assignee: Hunan Vocational College of Chemical Technology
Current assignee: Hunan Vocational College of Chemical Technology
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-05
Anticipated expiration: 2031-01-12

Abstract

The utility model discloses an economic management learns with multi-functional statistics device, including blackboard body, blackboard body bottom one side is equipped with first turning handle, first turning handle output shaft runs through blackboard body one side, first turning handle output shaft fixedly connected with first threaded rod, first threaded rod outer wall fixedly connected with action wheel, the inside rotation of blackboard body is connected with the second threaded rod, second threaded rod outer wall fixedly connected with is from the driving wheel, pass through the belt with the action wheel and be connected, the equal threaded connection of second threaded rod and first threaded rod outer wall has the movable block, the inside opening of having seted up of blackboard body, two fixedly connected with slide bar between the movable block. The utility model discloses a slide bar goes up and down, is convenient for highly adjust to different demands, is convenient for draw the straight line of different length and the contained angle of different angles through rotating first straight rule, and convenient to use improves drawing efficiency, improves whole practicality.

Description

Economic management learns with multi-functional statistics device

Technical Field

The utility model relates to a teaching equipment technical field, concretely relates to economic management learns with multi-functional statistics device.

Background

Present teaching device uses the blackboard mostly at present, and it can be with the plane that the chalk was write repeatedly to the tradition meaning, and the face is hard for help the teacher more accurate to the classmate explanation and convey knowledge, and the wide application is in each official working field, and present teaching device kind is less in the market, even if it is different also only improve to some extent on using the material, is difficult to satisfy the needs in different classrooms, does not have the special teaching device to different demands.

However, when the blackboard is actually used, statistical graphs such as a column graph, a line graph and a sector graph are often required to be matched for explanation during the existing statistical teaching of economic management, the existing blackboard can only meet the requirement of blackboard writing explanation, and the drawn statistical graphs are often inconvenient due to no tool or insufficient tools during drawing, so that the drawn statistical graphs are not attractive and visual, the effect teaching effect is influenced, and the teaching time can be wasted due to drawing.

Therefore, it is necessary to develop a multifunctional statistical device for economic management to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an economic management learns with multi-functional statistics device goes up and down through the slide bar, is convenient for highly adjust to different demands, is convenient for draw the straight line of different length and the contained angle of different angles through rotating first straight rule, improves drawing efficiency to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: a multifunctional statistical device for economic management science comprises a blackboard body, wherein a first rotating handle is arranged on one side of the bottom of the blackboard body, a first rotating handle output shaft penetrates through one side of the blackboard body, a first threaded rod is fixedly connected with the first rotating handle output shaft, a driving wheel is fixedly connected with the outer wall of the first threaded rod, a second threaded rod is rotatably connected inside the blackboard body, a driven wheel is fixedly connected with the outer wall of the second threaded rod, the driven wheel is connected with the driving wheel through a belt, moving blocks are respectively and fixedly connected with the outer wall of the first threaded rod and the second threaded rod through threads, an opening is formed in the blackboard body, a sliding rod is fixedly connected between the two moving blocks, a sliding block is slidably connected with the outer wall of the sliding rod, a connecting rod is fixedly connected to the bottom of the sliding block, a fixed column is arranged on one side of the connecting rod, and a protractor is fixedly connected with the outer wall of the fixed column, the outer wall of the fixing column is movably connected with a first ruler.

Preferably, a second rotating handle is arranged on one side of the first straight ruler, a gear is fixedly connected to the outer wall of the output end of the second rotating handle, and the gear is located inside the first straight ruler.

Preferably, two chutes are formed in the first straight ruler, the two chutes are connected with the second straight ruler in a sliding mode, a groove is formed in the second straight ruler, a rack is fixedly connected to one side of the groove, and the rack is meshed with the gear.

Preferably, the second ruler, the first ruler and one side of the angle measuring ruler are all provided with scale values.

Preferably, the outer walls of the first rotating handle and the second rotating handle are provided with anti-slip pads, and the anti-slip pads are made of rubber materials.

Preferably, one side of the blackboard body is fixedly connected with a placing box, and a blackboard eraser is arranged in the placing box.

In the technical scheme, the utility model provides a technological effect and advantage:

through the slide bar lift, be convenient for highly adjust to different demands, be convenient for draw the straight line of different length and the contained angle of different angles through rotating first ruler, convenient to use improves drawing efficiency, improves whole practicality, and is flexible through the second ruler, is convenient for adjust the length of second ruler to different length, and convenient to use is convenient for place debris, convenient to accomodate when using through the setting of placing the box.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall structure of the present invention;

fig. 3 is a schematic view of a connection structure of the disc and the first ruler of the present invention;

FIG. 4 is a schematic view of the connection structure of the rack and the gear of the present invention;

fig. 5 is a schematic view of a connection structure between the second rotating handle and the first straight ruler of the present invention.

Description of reference numerals:

1. a blackboard body; 2. a first stem; 3. a first threaded rod; 4. a driving wheel; 5. a second threaded rod; 6. a driven wheel; 7. a port; 8. a moving block; 9. a slide bar; 10. a slider; 11. a connecting rod; 12. fixing a column; 13. an angle measuring ruler; 14. a first straightedge; 15. a scale value; 16. a second stem; 17. a second straightedge; 18. a gear; 19. a groove; 20. a rack; 21. a chute; 22. placing the box; 23. provided is a blackboard eraser.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a multifunctional statistical device for economic management science as shown in figures 1-5, which comprises a blackboard body 1, wherein one side of the bottom of the blackboard body 1 is provided with a first rotating handle 2, an output shaft of the first rotating handle 2 penetrates one side of the blackboard body 1, an output shaft of the first rotating handle 2 is fixedly connected with a first threaded rod 3, the outer wall of the first threaded rod 3 is fixedly connected with a driving wheel 4, the inner part of the blackboard body 1 is rotatably connected with a second threaded rod 5, the outer wall of the second threaded rod 5 is fixedly connected with a driven wheel 6, the driven wheel 6 is connected with the driving wheel 4 through a belt, the outer walls of the second threaded rod 5 and the first threaded rod 3 are both in threaded connection with moving blocks 8, the inner part of the blackboard body 1 is provided with through holes 7, two sliding blocks 8 are fixedly connected with sliding rods 9, the outer walls of the sliding rods 9 are in sliding connection with sliding blocks 10, the bottom of the sliding block 10 is fixedly connected with a connecting rod 11, one side of the connecting rod 11 is provided with a fixed column 12, the outer wall of the fixed column 12 is fixedly connected with a protractor 13, the outer wall of the fixed column 12 is movably connected with a first straight scale 14, firstly, the first rotating handle 2 rotates to drive the first threaded rod 3 to rotate, the first threaded rod 3 rotates to drive the driving wheel 4 to rotate, the driving wheel 4 rotates to drive the driven wheel 6 to rotate, the driven wheel 6 rotates to drive the second threaded rod 5 to rotate, the second threaded rod 5 and the first threaded rod 3 rotate to drive the two movable blocks 8 to lift, the two movable blocks 8 move to drive the sliding rod 9 to lift, the sliding rod 9 lifts, the height can be adjusted according to different requirements, the use is convenient, after the required height is adjusted, straight lines with different lengths and included angles with different angles can be drawn by rotating the first straight scale 14, convenient to use improves drawing efficiency, improves whole practicality.

Furthermore, in the above technical solution, a second rotating handle 16 is arranged on one side of the first ruler 14, a gear 18 is fixedly connected to the outer wall of the output end of the second rotating handle 16, and the gear 18 is located inside the first ruler 14, so that the operation is simplified and the operation is convenient.

Further, in above-mentioned technical scheme, two spout 21 have been seted up to first ruler 14 inside, two spout 21 sliding connection has second ruler 17, recess 19 has been seted up to second ruler 17 inside, 19 one side fixedly connected with rack 20 of recess, rack 20 meshes with gear 18 mutually, and through rotating second turning handle 16, second turning handle 16 rotates and drives gear 18 and rotate, and gear 18 rotates and drives second ruler 17 and stretch out and draw back, stretches out and draws back through second ruler 17, is convenient for adjust the length of second ruler 17 to different length, convenient to use.

Further, in the above technical scheme, second ruler 17, first ruler 14 and protractor 13 one side all are equipped with scale interval 15, through the setting of scale interval 15, are convenient for draw through different length and angle when using, are convenient for improve the degree of accuracy of drawing.

Further, in the above technical solution, the outer walls of the first rotating handle 2 and the second rotating handle 16 are both provided with anti-slip pads, and the anti-slip pads are made of rubber materials, so that friction is increased in the operation process and the operation is facilitated.

Further, in the above technical scheme, a placing box 22 is fixedly connected to one side of the blackboard body 1, a blackboard eraser 23 is arranged inside the placing box 22, and through the arrangement of the placing box 22, sundries can be conveniently placed in use and can be conveniently stored.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device is used, firstly, the first rotating handle 2 is rotated, the first rotating handle 2 rotates to drive the first threaded rod 3 to rotate, the first threaded rod 3 rotates to drive the driving wheel 4 to rotate, the driving wheel 4 rotates to drive the driven wheel 6 to rotate, the driven wheel 6 rotates to drive the second threaded rod 5 to rotate, the second threaded rod 5 and the first threaded rod 3 rotate to drive the two moving blocks 8 to lift, the two moving blocks 8 move to drive the sliding rod 9 to lift, the sliding rod 9 lifts, the height adjustment aiming at different requirements is facilitated, the device is convenient to use, and after the required height is adjusted, straight lines with different lengths and included angles with different angles are conveniently drawn by rotating the first straight ruler 14.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an economic management learns with multi-functional statistical device, includes blackboard body (1), its characterized in that: the blackboard is characterized in that a first rotating handle (2) is arranged on one side of the bottom of the blackboard body (1), an output shaft of the first rotating handle (2) penetrates through one side of the blackboard body (1), a first threaded rod (3) is fixedly connected to the output shaft of the first rotating handle (2), a driving wheel (4) is fixedly connected to the outer wall of the first threaded rod (3), a second threaded rod (5) is rotatably connected to the inner portion of the blackboard body (1), a driven wheel (6) is fixedly connected to the outer wall of the second threaded rod (5), the driven wheel (6) is connected with the driving wheel (4) through a belt, moving blocks (8) are in threaded connection with the outer wall of the first threaded rod (3) through the second threaded rod (5), through holes (7) are formed in the blackboard body (1), a sliding rod (9) is fixedly connected between the two moving blocks (8), and a sliding block (10) is in sliding connection with the outer wall of the sliding rod (9), the slider (10) bottom fixedly connected with connecting rod (11), connecting rod (11) one side is equipped with fixed column (12), fixed column (12) outer wall fixedly connected with protractor (13), fixed column (12) outer wall swing joint has first ruler (14).

2. The multifunctional statistical device for economic management according to claim 1, wherein: a second rotating handle (16) is arranged on one side of the first ruler (14), a gear (18) is fixedly connected to the outer wall of the output end of the second rotating handle (16), and the gear (18) is located inside the first ruler (14).

3. The multifunctional statistical device for economic management according to claim 1, wherein: two chutes (21) are formed in the first ruler (14), the chutes (21) are connected with the second ruler (17) in a sliding mode, a groove (19) is formed in the second ruler (17), a rack (20) is fixedly connected to one side of the groove (19), and the rack (20) is meshed with the gear (18).

4. The multifunctional statistical device for economic management according to claim 3, wherein: and scale values (15) are arranged on one sides of the second ruler (17), the first ruler (14) and the angle measuring ruler (13).

5. The multifunctional statistical device for economic management according to claim 2, wherein: the outer walls of the first rotating handle (2) and the second rotating handle (16) are respectively provided with an anti-slip pad, and the anti-slip pads are made of rubber materials.

6. The multifunctional statistical device for economic management according to claim 1, wherein: one side of the blackboard body (1) is fixedly connected with a placing box (22), and a blackboard eraser (23) is arranged inside the placing box (22).