Drawing table capable of being stored and folded

Abstract

The utility model belongs to the technical field of drawing tables, and particularly relates to a drawing table capable of being stored and folded, which comprises an outer shell, an unfolding assembly comprises a two-way screw rod, connecting seats are fixedly arranged on two sides of a fixing seat, and the two-way screw rod is rotatably arranged in a sliding groove formed in the top surface of each connecting seat. The outer sides of the two ends of the bidirectional lead screw are sleeved with a first sliding block and a second sliding block in a threaded connection mode respectively, connecting bases are fixedly arranged on the top faces of the first sliding block and the second sliding block and rotationally connected with one end of a movable rod, and the other end of the movable rod is rotationally connected with the bottom face of a movable plate. A placement plate is rotatably arranged between the two sets of limiting plates and connected with an angle adjusting assembly arranged on one side of one set of limiting plates, the angle adjusting assembly comprises a first worm gear, a shaft rod of the first worm gear is connected with one end of the placement plate in a penetrating mode, and one side of the first worm gear is connected with a first worm in an engaged mode; the problems that a traditional drawing table is rigid and fixed in overall structure, large in occupied area and inconvenient to carry are solved.

Description

Technical Field

[0001] This utility model belongs to the field of drawing table technology, specifically relating to a foldable drawing table that can be stored away. Background Technology

[0002] A drawing table is a piece of furniture used in art creation and engineering drawing. Its main function is to hold drawing paper and help the drafter complete the drawing operation smoothly.

[0003] Traditional drawing tables have a rigid and fixed overall structure and take up a large space. If the drafter needs to carry out on-site drawing work in different locations, the drawing table cannot be carried and moved along with the drawing tools. Utility Model Content

[0004] To address the above problems, the purpose of this utility model is to provide a foldable and retractable drawing table, which solves the problem that traditional drawing tables have a rigid and fixed overall structure and occupy a large area, and that the drawing table cannot be carried along with the drawing tools if the drawing personnel need to carry out on-site drawing work in different locations.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a foldable drawing table, comprising an outer shell, a fixed base fixedly disposed at the center of the inner wall of one side of the outer shell, a drawing tool storage box fixedly disposed at one end of the fixed base, universal wheels slidably disposed within connecting shells fixed at both ends of the drawing tool storage box, the universal wheels being connected to an unfolding assembly, the unfolding assembly including a bidirectional lead screw, connecting seats fixedly disposed on both sides of the fixed base, and a bidirectional lead screw rotatably disposed within a sliding groove opened on the top surface of the connecting seat, the outer sides of both ends of the bidirectional lead screw... Slider 1 and slider 2 are respectively threaded and connected, and a connecting seat is fixed on the top surface of slider 1 and slider 2. The connecting seat is rotatably connected to one end of the movable rod, and the other end of the movable rod is rotatably connected to the bottom surface of the movable plate. A limiting plate is fixed at one opposite end of the top surface of the movable plate, and a placement plate is rotatably arranged between the two sets of limiting plates. The placement plate is connected to an angle adjustment component arranged on one side of one set of limiting plates. The angle adjustment component includes a worm gear 1. The shaft of the worm gear 1 passes through and is connected to one end of the placement plate, and one side of the worm gear 1 is meshed with a worm.

[0006] The beneficial effects of this utility model are:

[0007] Users only need to operate the rotating block to drive the worm gear two, worm wheel two and double-acting screw to work together, so that slider one and slider two can slide on the double-acting screw, and then drive the movable plate to unfold or retract smoothly through the movable rod.

[0008] The knob at one end of the rotating worm gear precisely controls the tilt angle of the placement board, adapting to the needs of various drawing types such as sketching, watercolor, and design drafting, as well as the usage habits of different users, providing users with a more comfortable drawing experience. The combination of the magnetic plate and magnetic block on the top of the placement board makes it easy for users to fix drawings and tools, preventing them from slipping, and further improving the stability and convenience of the drawing process.

[0009] To move the movable plate up and down:

[0010] As a further improvement to the above technical solution: a protective shell is fixedly provided at one end of the fixed base, and movable grooves are opened at both ends of the protective shell facing the fixed base. Worm gears are rotatably provided on the inner wall of each movable groove. The two sets of worm gears are respectively connected to the ends of the opposing bidirectional lead screws. The worm gears mesh with the worms. The two sets of worms are connected by a fixed rod, and the fixed rod is rotatably provided inside the protective shell. The end of one set of worms rotatably connects the protective shell and the outer shell, and a rotating block is provided at the end of the worm.

[0011] The beneficial effects of this improvement are as follows: by rotating the rotating block, the worm gear two connected to it can be rotated. As the worm gear two rotates, the worm wheel two meshing with it drives the bidirectional lead screw to rotate in the connecting seat. At this time, the slider one and slider two set at both ends of the bidirectional lead screw move relative to each other, so that the movable rod drives the movable plate to move up and down.

[0012] To facilitate user movement of this device:

[0013] As a further improvement to the above technical solution: a pressure rod is fixed on one side of the second slider, and the pressure rod passes through the sliding connection shell. The pressure rod presses one end of the universal wheel. Springs are fixed on both sides of one end of the universal wheel, and one end of the spring is connected to the inner wall of one end of the connection shell.

[0014] The beneficial effects of this improvement are as follows: When the drawing table is unfolded and in use, slider one and slider two gradually approach each other under the action of the bidirectional lead screw, and the pressure rod no longer squeezes the universal wheel. Under the action of the elastic potential energy of the spring, the universal wheel is stored in the connecting shell. When the drawing table needs to be stored or moved, slider one and slider two gradually move away from each other, and the pressure rod slides into the connecting shell to squeeze the universal wheel, causing it to extend. The universal wheel can rotate, making it convenient for the user to move this device.

[0015] To allow this device to be moved by holding the handle:

[0016] As a further improvement to the above technical solution: a sliding rod is fixedly provided on one side of the slider, and the sliding rod passes through the sliding connection housing, with the end of the sliding rod connected to both ends of one side of the handle.

[0017] The beneficial effect of this improvement is that the user can move the device by holding the handle.

[0018] To keep the work area clean:

[0019] As a further improvement to the above technical solution: a temporary storage box for painting tools and a paper storage cabinet are slidably provided at one end of the fixed base, and the temporary storage box for painting tools and the paper storage cabinet are slidably connected through the outer shell.

[0020] The benefits of this improvement are: the temporary storage box for drawing tools and the paper storage cabinet provide users with extra storage space, making it convenient to temporarily place drawing tools and paper while drawing, keeping the work area tidy and improving drawing efficiency.

[0021] To attach the drawings to the mounting plate:

[0022] As a further improvement to the above technical solution: a placement groove is opened on the top surface of the placement plate, and a magnetic plate is provided on the inner wall of the placement groove, and the magnetic plate magnetically connects several magnetic blocks.

[0023] The beneficial effect of this improvement is that users can use magnetic blocks to attach and fix the drawings to the placement board.

[0024] The parts of the device not covered herein are the same as or can be implemented using existing technologies. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the storage structure of this utility model;

[0026] Figure 2 This is a schematic diagram of the unfolded structure of this utility model;

[0027] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0028] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0029] In the diagram: 1. Outer shell; 2. Movable plate; 3. Handle; 4. Angle adjustment assembly; 401. Worm gear one; 402. Worm gear one; 5. Placement plate; 6. Magnetic block; 7. Casters; 8. Art supplies storage box; 9. Fixed base; 901. Temporary art supplies storage box; 902. Paper storage cabinet; 10. Unfolding assembly; 1001. Two-way lead screw; 1002. Worm gear two; 1003. Worm gear two; 1004. Slider one; 1005. Slider two; 11. Connecting shell; 12. Connecting base; 13. Protective shell; 14. Spring. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of this utility model in any way.

[0031] like Figure 1-4 As shown, a foldable drawing table includes an outer shell 1. A fixed base 9 is fixed at the center of the inner wall of one side of the outer shell 1. A drawing tool storage box 8 is fixed at one end of the fixed base 9. Universal wheels 7 are slidably disposed in the connecting shells 11 fixed at both ends of the drawing tool storage box 8. The universal wheels 7 are connected to an unfolding assembly 10. The unfolding assembly 10 includes a bidirectional lead screw 1001. Connecting seats 12 are fixed on both sides of the fixed base 9, and the bidirectional lead screw 1001 is rotatably disposed in the sliding groove opened on the top surface of the connecting seat 12. A threaded connecting slider is respectively sleeved on the outer side of both ends of the bidirectional lead screw 1001. 1004 and 1005 are sliders, and the top surfaces of both sliders 1004 and 1005 are fixed with connecting seats. The connecting seats are rotatably connected to one end of the movable rod, and the other end of the movable rod is rotatably connected to the bottom surface of the movable plate 2. A limiting plate is fixed at one end of the top surface of the movable plate 2, and a placement plate 5 is rotatably arranged between the two sets of limiting plates. The placement plate 5 is connected to an angle adjustment component 4 arranged on one side of one set of limiting plates. The angle adjustment component 4 includes a worm gear 401, the shaft of which passes through and connects to one end of the placement plate 5, and one side of the worm gear 401 is meshed with a worm 402.

[0032] One end of the fixed base 9 is fixed with a protective shell 13, and both ends of the protective shell 13 are provided with movable grooves facing the fixed base 9. Worm gears 1002 are rotatably mounted on the inner walls of each movable groove. Two sets of worm gears 1002 are respectively connected to the ends of opposing bidirectional lead screws 1001. The worm gears 1002 mesh with worms 1003. The two sets of worms 1003 are connected by a fixed rod, which is rotatably mounted inside the protective shell 13. The end of one set of worms 1003 passes through and rotates through the shell. The protective shell 13 and the outer shell 1 are connected, and the end of the worm gear 1003 is provided with a rotating block. By rotating the rotating block, the worm gear 1003 connected to it can be rotated. As the worm gear 1003 rotates, the worm wheel 1002 meshing with it drives the bidirectional lead screw 1001 to rotate in the connecting seat 12. At this time, the slider 1004 and slider 1005 provided at both ends of the bidirectional lead screw 1001 move relative to each other, so that the movable rod drives the movable plate 2 to move up and down.

[0033] A pressure rod is fixed to one side of the second slider 1005, and the pressure rod passes through the sliding connection shell 11. The pressure rod presses one end of the universal wheel 7. Springs 14 are fixed on both sides of one end of the universal wheel 7, and one end of the spring 14 is connected to the inner wall of one end of the connecting shell 11. When the drawing table is unfolded for use, the first slider 1004 and the second slider 1005 gradually approach each other under the action of the bidirectional lead screw 1001. The pressure rod no longer presses the universal wheel 7. Under the action of the elastic potential energy of the spring 14, the universal wheel 7 is stored in the connecting shell 11. When the drawing table needs to be stored or moved, the first slider 1004 and the second slider 1005 gradually move away from each other. The pressure rod slides into the connecting shell 11 and presses the universal wheel 7 to extend it. The universal wheel 7 can rotate, which makes it convenient for the user to move the device.

[0034] A sliding rod is fixed on one side of the slider 1004, and the sliding rod passes through the sliding connection housing 1. The end of the sliding rod is connected to both ends of one side of the handle 3. The user can move the device by holding the handle 3.

[0035] One end of the fixed base 9 is slidably provided with a temporary drawing tool storage box 901 and a paper storage cabinet 902, and the temporary drawing tool storage box 901 and the paper storage cabinet 902 are slidably connected to the outer shell 1 through the outer shell 1; the temporary drawing tool storage box 901 and the paper storage cabinet 902 provide users with extra storage space, making it convenient to temporarily place drawing tools and paper when drawing, keeping the work area tidy and improving drawing efficiency.

[0036] The placement plate 5 has a placement groove on its top surface, and a magnetic plate is provided on the inner wall of the placement groove. The magnetic plate is magnetically connected to several magnetic blocks 6. The user can use the magnetic blocks 6 to attach and fix the drawing to the placement plate 5.

[0037] The working principle and usage process of this utility model are as follows: When the drawing table is needed, the user first places the device flat in the designated position, then rotates the rotating block, which drives the worm gear 1003 to rotate. The worm gear 1003 meshes with the worm wheel 1002, thereby causing the bidirectional lead screw 1001 to rotate within the connecting seat 12. This causes the slider 1004 and slider 2 1005 to slide relative to each other. During this process, the pressure rod on one side of slider 2 1005 gradually releases its pressure on the universal wheel 7. Under the action of the elastic potential energy of the spring 14, the universal wheel 7 is housed within the connecting shell 11. Simultaneously, as slider 1004 and slider 2 1005 slide relative to each other, the movable rod connected to the connecting seat on the top surface of both sliders rotates, driving the movable plate 2 to move upward until the movable plate 2 unfolds to a suitable height. If the user needs to adjust the angle of the placement plate 5, the knob at the end of the worm gear 402 in the angle adjustment component 4 can be rotated. Through the transmission between the worm wheel 401 and the worm gear 402, the angle of the placement plate 5 can be flexibly adjusted to adapt to different drawing needs. Afterwards, the user can place the drawing tools in the drawing tool storage box 8 or the drawing tool temporary storage box 901, and fix the drawing paper to the magnetic plate on the inner wall of the placement slot on the top surface of the placement plate 5 using the magnetic block 6, and then start drawing.

[0038] It should be noted that, in this document, the terms “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 process, method, article, or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of this utility model. The above examples are only for the purpose of helping to understand the method and core ideas of this utility model. The above description is only a preferred embodiment of this utility model. It should be noted that due to the limitations of textual expression, there are objectively infinite specific structures. For those skilled in the art, several improvements, modifications, or changes can be made without departing from the principles of this utility model, and the above technical features can also be combined in an appropriate manner. These improvements, modifications, changes, or combinations, or the direct application of the concept and technical solution of this utility model to other occasions without modification, should all be considered within the protection scope of this utility model.

Claims

1. A foldable and collapsible drawing table, characterized in that: The assembly includes an outer shell (1), a fixed seat (9) is fixedly provided at the center of the inner wall of one side of the outer shell (1), a painting tool storage box (8) is fixedly provided at one end of the fixed seat (9), and universal wheels (7) are slidably provided in the connecting shells (11) fixed at both ends of the painting tool storage box (8). The universal wheels (7) are connected to the unfolding assembly (10), and the unfolding assembly (10) includes a two-way lead screw (1001). Connecting seats (12) are fixedly provided on both sides of the fixed seat (9), and the two-way lead screw (1001) is rotatably provided in the sliding groove opened on the top surface of the connecting seat (12). Threaded connecting sliders (1004) are respectively sleeved on the outer sides of both ends of the two-way lead screw (1001). The top surfaces of slider 1 (1004) and slider 2 (1005) are fixed with connecting seats. The connecting seats are rotatably connected to one end of the movable rod. The other end of the movable rod is rotatably connected to the bottom surface of the movable plate (2). A limiting plate is fixed at one end of the top surface of the movable plate (2). A placement plate (5) is rotatably arranged between the two sets of limiting plates. The placement plate (5) is connected to an angle adjustment component (4) arranged on one side of one set of limiting plates. The angle adjustment component (4) includes a worm gear 1 (401). The shaft of the worm gear 1 (401) passes through and connects to one end of the placement plate (5). One side of the worm gear 1 (401) is meshed with a worm rod 1 (402).

2. The foldable drawing table according to claim 1, characterized in that: One end of the fixed base (9) is fixed with a protective shell (13), and the two ends of the protective shell (13) are provided with movable grooves on the side facing the fixed base (9). The inner wall of the movable groove is provided with a worm gear (1002). The two sets of worm gears (1002) are respectively connected to the ends of the bidirectional lead screw (1001) arranged opposite to each other. The worm gears (1002) mesh with the worm (1003). The two sets of worms (1003) are connected by a fixed rod, and the fixed rod is rotatably arranged inside the protective shell (13). The end of one set of worms (1003) is rotatably connected to the protective shell (13) and the outer shell (1), and the end of the worm (1003) is provided with a rotating block.

3. A foldable drawing table according to claim 1, characterized in that: A pressure rod is fixed on one side of the slider 2 (1005), and the pressure rod passes through the sliding connection shell (11). The pressure rod presses one end of the universal wheel (7). Springs (14) are fixed on both sides of one end of the universal wheel (7), and one end of the spring (14) is connected to the inner wall of one end of the connecting shell (11).

4. A foldable drawing table according to claim 1, characterized in that: A sliding rod is fixed on one side of the slider (1004), and the sliding rod passes through the sliding connection housing (1). The end of the sliding rod is connected to both ends of one side of the handle (3).

5. A foldable drawing table according to claim 1, characterized in that: One end of the fixed base (9) is slidably provided with a painting tool temporary storage box (901) and a paper storage cabinet (902), and the painting tool temporary storage box (901) and the paper storage cabinet (902) slide through the outer shell (1).

6. A foldable drawing table according to claim 1, characterized in that: The placement plate (5) has a placement groove on its top surface, and a magnetic plate is provided on the inner wall of the placement groove, and the magnetic plate is magnetically connected to several magnetic blocks (6).

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