CN213354039U

CN213354039U - Drawing device for economy

Info

Publication number: CN213354039U
Application number: CN202022417121.XU
Authority: CN
Inventors: 程国江; 秦顺乔
Original assignee: East China Institute of Technology
Current assignee: East China Institute of Technology
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-04
Anticipated expiration: 2030-10-27

Abstract

The utility model provides an economic drawing device, includes the drawing board, the equal slidable mounting in both ends has the connecting plate around the drawing board right side, and the sliding tray has been seted up to drawing board right side middle-end, and the inside slidable mounting that runs through of sliding tray has the slip post. The utility model discloses because the sliding tray has been seted up on the drawing board right side, and place the slip post of connecting plate left side installation inside the sliding tray, carry out the horizontal migration with the slip post inside the sliding tray, and then can promote the connecting plate and remove on the drawing board surface together with first limiting plate, and then adjust the interval of two first limiting plates between the drawing board surface, make the drawing paper of different width diameters place in two first limiting plate bottoms by the centre gripping, the drawing paper of guaranteeing different width diameters can be stable places on the drawing board surface, and is comparatively practical, and is suitable for extensive popularization and use.

Description

Drawing device for economy

Technical Field

The utility model relates to an economic drawing device.

Background

At present, economics is a modern independent science, and is a subject about economic development rules. In the course of economics teaching, a teacher needs to explain the correspondence between the proportions by using a chalk-stroke pie chart or a bar chart on a blackboard and perform drawing operation by using a corresponding drawing device.

Drawing devices in use today still have some disadvantages; because when using corresponding drawing rule on the drawing board surface, need the user to hold corresponding drawing rule always and carry out the straight line drawing to when placing corresponding drawing paper at the drawing bench surface, because the unable stable placing of drawing paper of different width diameters is on corresponding drawing bench surface, in case drawing paper takes place arbitrary displacement when using, then can lead to subsequent drawing quality can't obtain guaranteeing.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an economical drawing device for effectively solving the problems of the background art.

The utility model provides an economic drawing device, including the drawing board, the equal slidable mounting in both ends has the connecting plate around the drawing board right side, the sliding tray has been seted up to drawing board right side middle-end, the inside slidable mounting that runs through of sliding tray has the slip post, connecting plate top fixed surface installs first limiting plate, the inside spacing screw of transversely having seted up in connecting plate bottom, spacing screw is inside to be twisted through the screw and connects the spacing bolt, drawing board bottom surface activity adsorbs there is the second magnetite, drawing board top surface activity installs the drawing rule, the inside activity of drawing rule middle-end adsorbs first magnetite, drawing board left side top fixed surface installs places the frame, place the inside bottom of frame and seted up the standing groove.

Preferably, the equal vertical fixed mounting in drawing rule left and right sides top surface has the connecting rod, and the horizontal fixed mounting in connecting rod top surface has the second limiting plate, places the frame left and right sides top and has all seted up the activity groove.

Preferably, the top end of the left side of the limiting bolt is bonded with a damping cushion.

Preferably, the length of the second limiting plate is greater than the width of the notch of the movable groove.

Preferably, the sliding column is T-shaped, and the length of the left side of the sliding column is greater than the width of the notch of the sliding groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the economic drawing device of the utility model is provided with the sliding groove on the right side of the drawing board, and the sliding column arranged at the left side of the connecting plate is placed in the sliding groove, the sliding column horizontally moves in the sliding groove, thereby pushing the connecting plate and the first limiting plate to move on the surface of the drawing board, further adjusting the distance between the two first limiting plates on the surface of the drawing board, so that the drawing papers with different width diameters can be clamped and placed at the bottoms of the two first limiting plates, ensuring that the drawing papers with different width diameters can be stably placed on the surface of the drawing board, ensuring the subsequent drawing quality, and after adjusting the interval between the first limiting plate, can rotate the damping cushion of spacing bolt until its bottom and hug closely at the drawing board side, and then guarantee that first limiting plate can not arbitrary removal and influence the use to the drawing paper.

2. The utility model discloses an economic drawing device, because first magnetite has been placed in the drawing rule middle-end, and place the second magnetite adsorbed mutually with first magnetite bottom the drawing board, can be through the mutual absorption of two magnetite, guarantee that the drawing rule can be adsorbed on the drawing board surface and the removal that can be free, guarantee to use the drawing paper surface, and after using the completion, can remove the drawing rule to corresponding inside placing the frame, and place the connecting rod of drawing rule both ends installation inside the movable groove, place placing frame top lateral wall through the second limiting plate, guarantee the stability of placing of drawing rule.

Drawings

Fig. 1 is a schematic view of an overall front sectional structure of an economical drawing device according to the present invention;

fig. 2 is a schematic diagram of an overall top view structure of an economical drawing device according to the present invention;

FIG. 3 is a schematic side view of the drawing ruler of the economical drawing device of the present invention;

reference numerals: 1. drawing boards; 2. a connecting plate; 3. a sliding groove; 4. a sliding post; 5. a limiting screw hole; 6. a limit bolt; 7. a damping cushion; 8. a first limit plate; 9. placing the frame; 10. a placement groove; 11. a drawing rule; 12. a first magnet; 13. a second magnet; 14. a connecting rod; 15. a second limiting plate; 16. a movable groove.

Detailed Description

As shown in fig. 1-3, an economic drawing device, including drawing board 1, equal slidable mounting in both ends has connecting plate 2 around the drawing board 1 right side, sliding tray 3 has been seted up to the drawing board 1 right side middle-end, sliding tray 3 is inside to run through slidable mounting has sliding column 4, 2 top fixed surface of connecting plate install first limiting plate 8, 2 inside spacing screws 5 of transversely having seted up in bottom of connecting plate, spacing screw 5 is inside to twist through the screw thread and connects

spacing bolt

6, 1 bottom surface activity of drawing board adsorbs

second magnetite

13, 1 top surface activity of drawing board

installs drawing rule

11, 11 middle-end inside activity of drawing rule adsorbs

first magnetite

12, 1 left side top fixed surface of drawing board installs places frame 9, place the inside bottom of frame 9 and seted up standing groove 10.

In the embodiment, as shown in fig. 1 and fig. 2, since the right side of the drawing board 1 is provided with the sliding groove 3, and the sliding column 4 installed at the left side of the connecting plate 2 is placed inside the sliding groove 3, the sliding column 4 is horizontally moved inside the sliding groove 3, thereby pushing the connecting plate 2 and the first limiting plate 8 to move on the surface of the drawing board 1, further adjusting the distance between the two first limiting plates 8 on the surface of the drawing board 1, so that drawing papers with different width diameters can be clamped and placed at the bottoms of the two first limiting plates 8, ensuring that the drawing papers with different width diameters can be stably placed on the surface of the drawing board 1, ensuring the subsequent drawing quality, and after adjusting the interval between the first limiting plate 8, can rotate spacing bolt 6 and hug closely at 1 side of drawing board until the damping cushion 7 of its bottom, and then guarantee that first limiting plate 8 can not arbitrary removal and influence the use to the drawing paper.

Wherein, 11 left and right sides top surfaces of drawing rule are equal vertical fixed mounting has connecting rod 14, the horizontal fixed mounting in connecting rod 14 top surface has second limiting plate 15, place frame 9 left and right sides top and all seted up movable groove 16.

As shown in fig. 1 in this embodiment, because first magnetite 12 has been placed to the middle-end at drawing rule 11 to and place the second magnetite 13 that adsorbs mutually with first magnetite in drawing board 1 bottom, can guarantee that drawing rule 11 can be adsorbed on drawing board 1 surface and the removal that can be free through the mutual adsorption of two magnetite, guarantee to use the drawing paper surface.

Wherein, the top of the left side of the limit bolt 6 is bonded with a damping cushion 7.

In the embodiment, as shown in fig. 1 and 2, the friction between the bottom of the limit bolt 6 and the surface of the drawing board 1 is increased.

Wherein, the length of the second limit plate 15 is greater than the width of the slot opening of the movable slot 16.

As shown in fig. 1 and 3 in this embodiment, because after using, can remove drawing rule 11 to corresponding inside placing frame 9 to place the connecting rod 14 of drawing rule 11 both ends installation inside movable groove 16, place through second limiting plate 15 and place frame 9 top lateral wall, guarantee drawing rule 11's stability of placing.

The sliding column 4 is T-shaped, and the length of the left side of the sliding column 4 is greater than the width of the notch of the sliding groove 3.

In the present embodiment, as shown in fig. 1 and 2, the first limiting plate 8 is ensured to be horizontally movable on the surface of the drawing board 1.

The utility model discloses a drawing device is used to economy, part are the parts that general standard spare or this neighborhood technical staff know, and its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method. When the device works, drawing paper to be used is tiled on the surface of the drawing board 1, the sliding column 4 is pushed to drive and adjust the position of the first limit plate 8 on the surface of the drawing board 1, the first limit plate 8 can be attached to the upper and lower surfaces of the corresponding drawing paper to clamp and stabilize the drawing paper, the limit bolt 6 is rotated until the surface of the damping cushion 7 is attached to the right side surface of the drawing board 1, the drawing ruler 11 is pushed to move out of the placing groove 10, the drawing paper surface is horizontally moved to perform subsequent drawing processing, compared with the traditional economic auxiliary device, the device has the advantages that the sliding groove 3 is formed in the right side of the drawing board 1, the sliding column 4 installed on the left side of the connecting plate 2 is placed in the sliding groove 3, the sliding column 4 is horizontally moved in the sliding groove 3, and the connecting plate 2 and the first limit plate 8 can be pushed to move on the surface of the drawing, and then adjust the interval of two first limiting plates 8 between the drawing board 1 surface, make the drawing paper of different width diameters place in two 8 bottoms of first limiting plate by the centre gripping, the drawing paper of guaranteeing different width diameters can be stable places on drawing board 1 surface, guarantee subsequent drawing quality, and after having adjusted the interval between first limiting plate 8, can rotate stop bolt 6 and hug closely at drawing board 1 side until damping cushion 7 of its bottom, and then guarantee that first limiting plate 8 can not arbitrary removal and influence the use to the drawing paper.

Claims

1. An economical drawing device comprising a drawing board (1), characterized in that: equal slidable mounting in both ends has connecting plate (2) around drawing board (1) right side, sliding tray (3) have been seted up to drawing board (1) right side middle-end, inside slidable mounting that runs through of sliding tray (3) has sliding column (4), connecting plate (2) top fixed surface installs first limiting plate (8), connecting plate (2) bottom is inside has transversely seted up spacing screw (5), spacing screw (5) are inside to be twisted through the screw and connect spacing bolt (6), drawing board (1) bottom surface activity adsorbs has second magnetite (13), drawing board (1) top surface activity installs drawing rule (11), drawing rule (11) middle-end inside activity adsorbs has first magnetite (12), drawing board (1) left side top fixed surface installs places frame (9), place frame (9) inside bottom and seted up standing groove (10).

2. An economical plotter according to claim 1, characterized in that: drawing rule (11) left and right sides top surface equal vertical fixed mounting has connecting rod (14), and the horizontal fixed mounting in connecting rod (14) top surface has second limiting plate (15), places frame (9) left and right sides top and has all seted up movable groove (16).

3. An economical plotter according to claim 1, characterized in that: and a damping cushion (7) is bonded at the top end of the left side of the limiting bolt (6).

4. An economical drawing device according to claim 2, wherein: the length of the second limiting plate (15) is larger than the width of the notch of the movable groove (16).

5. An economical plotter according to claim 1, characterized in that: the sliding column (4) is T-shaped, and the length of the left side of the sliding column (4) is greater than the width of the notch of the sliding groove (3).