Drawing device and storage box thereof

Abstract

The utility model discloses a drawing device and a storage box thereof, and relates to the technical field of drawing equipment, the drawing device comprises a shell, one side of the shell is provided with an opening, the drawing device further comprises a rotating shaft, the rotating shaft is rotatably installed at the lower end in the shell, and the rotating angle of the rotating shaft is 90 degrees; the first supporting drawing board is fixed to the outer side of the rotating shaft, a second supporting drawing board is arranged between the first supporting drawing board and the inner wall of the shell, and the second supporting drawing board slides on the first supporting drawing board to the other end of the first supporting drawing board, so that the upper surface of the second supporting drawing board and the upper surface of the first supporting drawing board are located on the same horizontal plane. The first supporting drawing board and the second supporting drawing board are connected in a sliding mode, so that the first supporting drawing board and the second supporting drawing board can be unfolded easily, the drawing area is increased, the drawing experience feeling and the drawing effect during drawing are improved, the lining board and the second supporting drawing board are connected in a lap joint mode, and the drawing effect is improved. And the stability when the first supporting drawing board and the second supporting drawing board are connected is improved.

Description

Technical Field

[0001] This utility model relates to the field of drawing equipment technology, specifically a drawing device and its storage box. Background Technology

[0002] Drawing is commonly used in teaching, construction, environmental exploration, surveying, etc. Currently, there are generally two types of drawing: computer drawing and manual drawing. Usually, a draft is made by hand first, and then the drawing design is further improved by computer. However, in some cases, in order to improve the drawing effect, it is necessary to use drawing aids.

[0003] Chinese patent publication number CN221730028U discloses an exploration mapping device. This device uses the cooperation of a leg slot and a leg. When the mapping device needs to be folded up, the leg can be stored to reduce the size of the device. Through the movable connection of the drawing board, the two drawing boards can be folded up, further reducing the size of the device and making it convenient to carry.

[0004] Chinese patent publication number CN220174709U discloses a drawing device that has good storage function and is adjustable in height and angle, making it easy to carry.

[0005] While commercially available drawing devices are portable and feature-rich, they also have certain drawbacks. Traditional devices, due to their folding requirements, have small drawing boards, which can lead to insufficient drawing space and reduced drawing quality. Utility Model Content

[0006] This invention provides a drawing device and its storage box to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a drawing device, comprising a housing, an opening on one side of the housing, and a rotating shaft, the rotating shaft being rotatably mounted inside the lower end of the housing, and the rotating shaft rotating at an angle of 90°; a first supporting drawing board, the first supporting drawing board being fixed to the outside of the rotating shaft, and a second supporting drawing board being provided between the first supporting drawing board and the inner wall of the housing, the second supporting drawing board being slidable on the first supporting drawing board to its other end, so that the upper surface of the second supporting drawing board is at the same horizontal plane as the upper surface of the first supporting drawing board.

[0008] As a preferred technical solution of this utility model, the second support board is hinged to a second support leg parallel to the first support board at the end away from the first guide rod. After the second support leg is rotated 90°, it is perpendicular to the second support board. The side of the second support leg has an "L" shape so that the second support leg covers the outside of the first support board when folded. A third support leg is slidably installed inside the housing, and the lower end of the third support leg is located on the lower outer side of the housing.

[0009] As a preferred technical solution of this utility model, the housing is symmetrically provided with guide frames inside, and sliders are slidably installed inside the two guide frames. The sliders are fixedly connected to the upper end of the third support leg. The sliders are made of stainless steel, and the top of the guide frame is provided with a magnet that magnetically attracts the sliders.

[0010] As a preferred technical solution of this utility model, transmission boxes are provided on both sides of the housing, and a second guide rod is fixed inside the transmission box. A limit post is slidably installed on the outer side of the second guide rod. The limit post moves to the upper end of the outer side of the slider to restrict the slider from moving upward.

[0011] As a preferred technical solution of this utility model, the transmission box is provided with a transmission component, which is used to drive the movement of the limiting column; the transmission component includes a second gear rotatably installed in the transmission box, a movable column fixed on one side of the second gear, a spiral guide rail provided on the outside of the movable column, one end of the rotating shaft extending into the inside of the transmission box and a first gear installed thereon, the first gear meshing with the second gear, and a connecting block fixed at the end of the limiting column away from the slider, the connecting block being slidably connected to the spiral guide rail.

[0012] As a preferred technical solution of this utility model, a guide groove is provided in the first supporting drawing board. The guide groove has an "L" shaped structure, and a first guide rod is slidably installed inside the guide groove. The two ends of the first guide rod pass through the guide groove and are fixed with side plates. The side plates are fixedly connected to the side of the second supporting drawing board.

[0013] As a preferred technical solution of this utility model, the end of the first support board away from the rotating shaft is provided with a liner, and the upper surface of the liner overlaps with the lower surface of the second support board.

[0014] This utility model also provides a drawing device storage box, including a drawing device, wherein the housing is a storage box and a first support leg is hinged to the lower outer side of the housing; the housing is provided with limiting grooves on both sides of the opening, and the limiting grooves are adapted to the first support leg for limiting the first support leg after folding.

[0015] As a preferred technical solution of this utility model, the housing is provided with a limiting member, the limiting member including a movable cavity opened in the housing, a limiting plate slidably installed in the movable cavity, one end of the limiting plate extending into the limiting groove and provided with a semi-circular plate, and the other end of the limiting plate extending into the movable cavity and provided with a spring, the spring being stretched to close one end of the limiting groove by the limiting plate.

[0016] As a preferred technical solution of this utility model, the shell is provided with shoulder straps on both sides, and the two ends of the shoulder straps are fixedly connected to the outer side of the shell respectively; a tool storage box is fixed inside the shell, and the tool storage box is provided with through slots evenly on the side facing the opening. The first support drawing board is folded and abuts against the through slots to close the through slots.

[0017] Compared with the prior art, the present invention provides a drawing device and its storage box, which has the following beneficial effects:

[0018] 1. The drawing device and its storage box, through the sliding connection between the first and second supporting drawing boards, facilitate the unfolding of the first and second supporting drawing boards, thereby increasing the drawing area and improving the drawing experience and effect. The overlapping between the liner and the second supporting drawing board improves the stability of the connection between the first and second supporting drawing boards. By controlling the unfolding of the first supporting drawing board, the third supporting leg can be limited under the setting of the transmission component, thereby achieving support after the first and second supporting drawing boards are unfolded, and improving the stability of the drawing.

[0019] 2. The drawing device and its storage box are designed to facilitate the storage of drawing tools. The outer shell allows for the folding and storage of the first and second support boards, reducing the size of the device after storage. The first, second, and third support legs work together to provide support during the use of the device. In addition, the first, second, and third support legs can all be folded and stored for easy carrying of the device. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of this utility model when unfolded;

[0022] Figure 3 This utility model Figure 2 Another perspective view;

[0023] Figure 4 In this utility model Figure 1 Internal structure diagram;

[0024] Figure 5In this utility model Figure 4 Side view;

[0025] Figure 6 This is a schematic diagram of the connection structure between the first supporting drawing board and the second supporting drawing board in this utility model;

[0026] Figure 7 In this utility model Figure 6 Another perspective view;

[0027] Figure 8 In this utility model Figure 7 Side view;

[0028] Figure 9 This is a schematic diagram of the internal structure of the transmission box in this utility model;

[0029] Figure 10 This is a schematic diagram of the installation structure of the limiting plate in this utility model.

[0030] In the diagram: 1. Shell; 2. Shoulder strap; 3. First support leg; 4. Transmission box; 5. First support drawing board; 6. Second support drawing board; 7. Second support leg; 8. Side plate; 9. Guide groove; 10. Third support leg; 11. Tool storage box; 12. Through groove; 13. Limiting groove; 14. First guide rod; 15. Rotating shaft; 16. Liner plate; 17. Guide frame; 18. First gear; 19. Limiting post; 20. Second guide rod; 21. Movable post; 22. Slider; 23. Second gear; 24. Spiral guide rail; 25. Connecting block; 26. Movable cavity; 27. Spring; 28. Limiting plate. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Please see Figure 1 - Figure 10 This utility model discloses a drawing device, including a housing 1, with an opening on one side of the housing 1, and a rotating shaft 15. The rotating shaft 15 is rotatably installed inside the lower end of the housing 1, and the rotating shaft 15 rotates at an angle of 90°. It should be noted that in order to make the rotating shaft 15 rotate at an angle of 90°, a corresponding first limiting block needs to be set inside the rotating shaft 15 and the housing 1 to ensure that the rotating shaft 15 can rotate 90° toward the opening.

[0033] In addition, the drawing device provided in this embodiment also includes a first support drawing plate 5, which is fixed to the outside of the rotating shaft 15 so as to rotate with the rotating shaft 15. A second support drawing plate 6 is provided between the first support drawing plate 5 and the inner wall of the housing 1. The second support drawing plate 6 slides on the first support drawing plate 5 to its other end so that the upper surface of the second support drawing plate 6 is at the same level as the upper surface of the first support drawing plate 5.

[0034] In this scheme, after the rotating shaft 15 drives the first support drawing board 5 to rotate 90°, the first support drawing board 5 is in a horizontal state. By sliding the second support drawing board 6, the upper surface of the second support drawing board 6 is made to be on the same horizontal plane as the upper surface of the first support drawing board 5, thereby increasing the support area required for drawing and improving the drawing effect.

[0035] like Figure 1 - Figure 8 To achieve support between the first support board 6 and the second support board 5, the second support board 6 in this embodiment is hinged to a second support leg 7 parallel to the first support board 5 at the end away from the first guide rod 14. After rotating 90°, the second support leg 7 is perpendicular to the second support board 6. Preferably, the second support leg 7 and the second support board 6 are provided with corresponding second limiting blocks to ensure that the second support leg 7 can rotate 90°. In addition, a rubber ring is provided at the hinge of the second support leg 7 and the second support board 6 to increase the friction when the second support leg 7 rotates, thereby improving the stability of the second support leg 7 when supporting. The side of the second support leg 7 has an "L" shape so that when the second support leg 7 is folded, it covers the outside of the first support board 5.

[0036] In addition, a third support leg 10 is slidably installed inside the housing 1. The lower end of the third support leg 10 is located on the lower outer side of the housing 1 to provide support for the first support drawing board 6 and the second support drawing board 5 after they are unfolded, thereby improving the stability of the drawing.

[0037] like Figure 5 - Figure 8 As shown, in order to improve the stability of the third support leg 10, guide frames 17 are symmetrically provided inside the housing 1. Slider 22 is slidably installed inside the two guide frames 17. The slider 22 is fixedly connected to the upper end of the third support leg 10. The stability of the third support leg 10 during movement is improved through the sliding connection between the slider 22 and the guide frame 17.

[0038] In addition, to facilitate the stability of the third support leg 10 when it is stored, the slider 22 provided in this embodiment is made of stainless steel. The top of the guide frame 17 is provided with a magnet that magnetically attracts the slider 22. The magnetic attraction between the magnet and the slider 22 can be used to fix the third support leg 10 after it is stored.

[0039] like Figure 1 , Figure 2, Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, the housing 1 provided in this embodiment is provided with transmission boxes 4 on both sides. A second guide rod 20 is fixed inside the transmission box 4. A limit post 19 is slidably installed on the outer side of the second guide rod 20. By controlling the movement of the limit post 19, the limit post 19 moves to the upper outer side of the slider 22 to limit the slider 22 from moving upward, thereby improving the stability of the third support leg 10 when it is deployed.

[0040] like Figure 1 , Figure 2 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, in order to drive the limit post 19, a transmission component is provided in the transmission box 4. The transmission component is used to drive the limit post 19 to move.

[0041] The transmission component includes a second gear 23 rotatably mounted inside the transmission box 4. A movable column 21 is fixed on one side of the second gear 23. A spiral guide rail 24 is provided on the outside of the movable column 21. One end of the rotating shaft 15 extends into the transmission box 4 and is equipped with a first gear 18. The first gear 18 meshes with the second gear 23. A connecting block 25 is fixed at the end of the limiting column 19 away from the slider 22. The connecting block 25 is slidably connected to the spiral guide rail 24.

[0042] Specifically, the third support leg 10 is pulled out from inside the housing 1, and the first support drawing board 5 is unfolded. At this time, the rotating shaft 15 rotates 90° to drive the first gear 18 to rotate. The first gear 18 meshes with the second gear 23, causing the second gear 23 to drive the movable column 21 to rotate, thereby causing the spiral guide rail 24 to rotate. The spiral guide rail 24 is slidably connected to the connecting block 25, causing the connecting block 25 to move axially along the second guide rod 20, thereby causing the connecting block 25 to push the limiting column 19 to move. This further causes the limiting column 19 to move to the upper outer side of the slider 22 to restrict the slider 22 from moving upward, thereby improving the stability of the third support leg 10 when unfolded.

[0043] like Figure 4 - Figure 8 As shown, to facilitate the unfolding of the second support drawing board 6, a guide groove 9 is provided in the first support drawing board 5. The guide groove 9 has an "L" shape structure to facilitate the adjustment of the horizontal position and vertical height of the second support drawing board 6, thereby making the upper surface of the second support drawing board 6 and the upper surface of the first support drawing board 5 at the same level. A first guide rod 14 is slidably installed inside the guide groove 9. The two ends of the first guide rod 14 pass through the guide groove 9 and are fixed with side plates 8. The side plates 8 are fixedly connected to the side of the second support drawing board 6.

[0044] like Figure 4 , Figure 5and Figure 8 As shown, in order to improve the stability of the second support board 6 after it is unfolded, a liner 16 is provided at the end of the first support board 5 away from the pivot 15. The upper surface of the liner 16 overlaps with the lower surface of the second support board 6. The overlap between the liner 16 and the second support board 6 improves the stability when the first support board 5 and the second support board 6 are connected.

[0045] like Figure 1 - Figure 5 As shown, this embodiment also provides a drawing device storage box, wherein the housing 1 is a storage box, and a first support leg 3 is hinged to the lower outer side of the housing 1. The first support leg 3 is mainly used to improve the support effect in the direction of the housing 1. In addition, a rubber pad is provided between the first support leg 3 and the housing 1 to improve the stability of the first support leg 3. A third limiting block is provided on the outer side of the housing 1 to restrict the rotation of the first support leg 3 to be perpendicular to the horizontal plane, thereby supporting the housing 1.

[0046] In addition, limiting grooves 13 are provided on both sides of the opening of the housing 1. The limiting grooves 13 are adapted to the first support leg 3 to limit the first support leg 3 after it is folded. By fitting the limiting grooves 13 with the first support leg 3, the first support leg 3 is folded, thereby allowing the first support leg 3 to limit the first support drawing board 5 and prevent the first support drawing board 5 from falling off the housing 1 without cause.

[0047] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 10 As shown, to improve the fixing effect of the first support leg 3 after folding, a limiting member is provided in the housing 1. The limiting member includes a movable cavity 26 opened in the housing 1. A limiting plate 28 is slidably installed in the movable cavity 26. One end of the limiting plate 28 extends into the limiting groove 13 and is provided with a semi-circular plate. The semi-circular plate is slidably connected to the first support leg 3 so that the first support leg 3 can be pulled or pushed by external force to disengage from or enter the limiting groove 13. The other end of the limiting plate 28 extends into the movable cavity 26 and is provided with a spring 27. The spring 27 relaxes to close one end of the limiting groove 13 with the limiting plate 28. The setting of the spring 27 is conducive to the reset of the limiting plate 28 after being compressed.

[0048] like Figure 1 - Figure 5 As shown, to facilitate carrying the equipment, shoulder straps 2 are provided on both sides of the housing 1. The two ends of the shoulder straps 2 are fixedly connected to the outside of the housing 1, which facilitates carrying the equipment.

[0049] In addition, a tool storage box 11 is fixed inside the housing 1. The tool storage box 11 has through slots 12 evenly distributed on the side facing the opening for storing drawing tools. After the first support drawing board 5 is folded, the first support drawing board 5 abuts against the through slots 12 to close the through slots 12 and prevent the drawing tools from falling out of the through slots 12.

[0050] The working principle and usage process of this utility model are as follows: During use, pulling the first support leg 3 causes it to press against the limiting plate 28, thereby causing the limiting plate 28 to retract into the movable cavity 26. This causes the spring 27 to contract and the limiting groove 13 to open, allowing the first support leg 3 to disengage from the limiting groove 13. The first support leg 3 provides initial support for the housing 1. The third support leg 10 is then pulled out from inside the housing 1, and the first support panel 5 is unfolded. At this time, the rotating shaft 15 rotates 90° to drive the first gear 18 to rotate. Wheel 18 meshes with the second gear 23, causing the second gear 23 to drive the movable column 21 to rotate, thereby causing the spiral guide rail 24 to rotate. The spiral guide rail 24 is slidably connected to the connecting block 25, causing the connecting block 25 to move axially along the second guide rod 20. This causes the connecting block 25 to push the limiting column 19 to move, further causing the limiting column 19 to move to the upper outer side of the slider 22 to restrict the slider 22 from moving upward, thereby improving the stability of the third support leg 10 when it is deployed. The third support leg 10 and the first support leg 3 provide initial support for the equipment.

[0051] Pulling the second support panel 6 adjusts its horizontal position and vertical height through the sliding connection between the first guide rod 14 and the guide groove 9. This helps to bring the upper surface of the second support panel 6 and the upper surface of the first support panel 5 to the same horizontal plane, further allowing the second support panel 6 to overlap the liner 16 and preventing it from moving towards the ground. This improves the stability when the first support panel 5 and the second support panel 6 are connected. After rotating the second support leg 7 by 90°, the second support leg 7 becomes perpendicular to the second support panel 6, thus achieving support for the second support panel 6.

[0052] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0053] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drawing device, characterized in that, Includes a housing (1), wherein the housing (1) has an opening on one side, and further includes: A rotating shaft (15) is rotatably mounted inside the lower end of the housing (1), and the rotating shaft (15) rotates at an angle of 90°. A first support drawing board (5) is fixed to the outside of the rotating shaft (15), and a second support drawing board (6) is provided between the first support drawing board (5) and the inner wall of the housing (1). The second support drawing board (6) slides on the first support drawing board (5) to its other end so that the upper surface of the second support drawing board (6) is at the same level as the upper surface of the first support drawing board (5).

2. The drawing device according to claim 1, characterized in that: The second support board (6) is hinged to a second support leg (7) that is parallel to the first support board (5) at the end away from the first guide rod (14). After the second support leg (7) rotates 90°, it is perpendicular to the second support board (6). The side of the second support leg (7) is an "L" shaped structure so that when the second support leg (7) is folded, it covers the outside of the first support board (5). A third support leg (10) is slidably installed inside the housing (1), and the lower end of the third support leg (10) is located on the lower outer side of the housing (1).

3. A drawing device according to claim 2, characterized in that: The housing (1) is symmetrically provided with guide frames (17), and two guide frames (17) are slidably installed with sliders (22) inside. The sliders (22) are fixedly connected to the upper end of the third support leg (10). The slider (22) is made of stainless steel, and the top of the guide frame (17) is provided with a magnet that magnetically attracts the slider (22).

4. A drawing device according to claim 3, characterized in that: The housing (1) has transmission boxes (4) on both sides. A second guide rod (20) is fixed inside the transmission box (4). A limit post (19) is slidably installed on the outside of the second guide rod (20). The limit post (19) moves to the upper outside of the slider (22) to restrict the slider (22) from moving upward.

5. A drawing device according to claim 4, characterized in that: The transmission box (4) is equipped with a transmission component, which is used to drive the movement of the limiting column (19); The transmission component includes a second gear (23) rotatably mounted in the transmission box (4), a movable column (21) fixed on one side of the second gear (23), a spiral guide rail (24) provided on the outside of the movable column (21), one end of the rotating shaft (15) extending into the transmission box (4) and a first gear (18) installed thereon, the first gear (18) meshing with the second gear (23), and a connecting block (25) fixed at the end of the limiting column (19) away from the slider (22), the connecting block (25) being slidably connected to the spiral guide rail (24).

6. A drawing apparatus according to any one of claims 1-5, characterized in that: The first support drawing board (5) has a guide groove (9) inside. The guide groove (9) is an "L" shaped structure. A first guide rod (14) is slidably installed inside the guide groove (9). The two ends of the first guide rod (14) pass through the guide groove (9) and are fixed with side plates (8). The side plates (8) are fixedly connected to the side of the second support drawing board (6).

7. A drawing device according to claim 6, characterized in that: The first support board (5) has a liner (16) at one end away from the pivot (15), and the upper surface of the liner (16) overlaps with the lower surface of the second support board (6).

8. A drawing device storage box, comprising a drawing device as described in any one of claims 1-7, characterized in that: The housing (1) is a storage box, and a first support leg (3) is hinged to the lower outer side of the housing (1); The housing (1) has limiting grooves (13) on both sides of the opening. The limiting grooves (13) are adapted to the first support leg (3) for limiting the first support leg (3) after it is folded.

9. A drawing device storage box according to claim 8, characterized in that, The housing (1) is provided with a limiting member, which includes a movable cavity (26) opened in the housing (1). A limiting plate (28) is slidably installed in the movable cavity (26). One end of the limiting plate (28) extends into the limiting groove (13) and is provided with a semi-circular plate. The other end of the limiting plate (28) extends into the movable cavity (26) and is provided with a spring (27). The spring (27) is stretched to make the limiting plate (28) close one end of the limiting groove (13).

10. A drawing device storage box according to claim 9, characterized in that, The housing (1) is provided with shoulder straps (2) on both sides, and the two ends of the shoulder straps (2) are fixedly connected to the outside of the housing (1); A tool storage box (11) is fixed inside the housing (1). The tool storage box (11) has a through groove (12) evenly opened on the side facing the opening. The first support drawing board (5) is folded and abuts against the through groove (12) to close the through groove (12).

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