Foldable desk

Abstract

The utility model relates to the field of desks, and discloses a foldable desk. The foldable desk comprises a desk top, the side face of the desk top is slidably connected with an extension plate, the side face of the extension plate is fixedly connected with a rectangular plate, the side face of the rectangular plate is connected with a handle, the lower end of the extension plate is provided with a plurality of threaded holes, and the lower end of the desk top is in threaded connection with a rotating screw. The rotary screw is inserted into the desktop of the desk again after the desk is moved to a designated position, and then the rotary screw is connected with the threaded hole, so that the stable connection between the structures is ensured, the structure is not deformed when a user uses the desk, the use safety is ensured, and the rectangular plate is convenient for limiting articles on the surface of the extension plate; and by using the structure, a user can conveniently adjust the use area of the equipment according to the use requirements, and the use requirements of the user are met.

Description

Technical Field

[0001] The present application belongs to the technical field of desks, and specifically relates to a foldable desk. Background Art

[0002] A foldable desk is a portable, multifunctional piece of furniture. A foldable desk can be easily folded up when not in use, taking up less space. This is very practical for rooms with limited space or for people who need to relocate frequently. A foldable desk is usually designed with multiple functions and storage spaces, such as drawers, bookshelves, folders, etc. It can be used as a desk, writing desk, study area or office area, and provides additional storage space. Some foldable desks also have adjustable heights or angles to meet the needs and comfort of different people. This makes them suitable for users of different ages, including children, teenagers and adults. Foldable desks usually adopt a simple and stylish design with a beautiful appearance. They can match a variety of interior decoration styles to enhance the overall beauty. Foldable desks are usually made of renewable materials, such as wood or environmentally friendly boards. These materials are environmentally friendly and in line with the concept of sustainable development. Foldable desks have the advantages of space saving, versatility, adjustability, simplicity and beauty, and environmental protection and energy saving. It is a practical and flexible furniture choice suitable for a variety of living environments and usage needs.

[0003] As disclosed in publication number: CN107822305A, a foldable desk comprises a table top and two table legs, the table legs comprising a first folding section, a second folding section and a third folding section, the first folding section and the table top are connected to the third side surface and one end of the fourth side surface close to the second side surface through a first rotating bolt, the first folding section and the second folding section are connected through a second rotating bolt, the second folding section and the third folding section are connected through a third rotating bolt, and by folding the first, second and third folding sections, the first, second and third rotating bolts fix the table legs into an L shape or a triangle: when fixed into an L shape, the side view of the desk is C-shaped as a whole and the third folding section is located at the bottom of the desk for support; when fixed into a triangle, the second folding section is located at the bottom of the desk for support; the third folding section is provided with rollers.

[0004] However, in the common use of the device in this application, the use area of ​​the desktop of the desk is fixed and cannot be adjusted, which is inconvenient to use. Utility Model Content

[0005] The purpose of the present application is to provide a foldable desk in order to solve the above-mentioned problem of conveniently expanding the usable area of ​​the desktop.

[0006] The technical solution adopted in the present application is as follows: a foldable desk, including a desk desktop, the side of the desk desktop is slidably connected to an extension plate, the side of the extension plate is fixedly connected to a rectangular plate, the side of the rectangular plate is connected to a handle, the lower end of the extension plate is provided with a plurality of threaded holes, the lower end of the desk desktop is threadedly connected to a rotating screw, the rotating screw passes through the surface of the desk desktop and is inserted into the threaded hole, and the size of the threaded hole is adapted to the size of the rotating screw.

[0007] By adopting the above technical solution, the surface of the device is extended by using an extension plate during use, thereby expanding the use area of ​​the desk, making it convenient for users to use it and to stack more books to meet different usage needs. During use, the rotating screw is first taken out from the desk desktop, and then the staff holds the handle to pull the position of the extension plate to move, thereby expanding the use area of ​​the device. When it moves to the specified position, the rotating screw is reinserted into the desk desktop, and then the threaded hole is connected to ensure a firm connection between the structures, to ensure that the structure will not be deformed when the user uses the desk, and to ensure safe use. The rectangular plate is convenient for limiting items on the surface of the extension plate to prevent them from falling. By using this structure, it is convenient for users to adjust the use area of ​​the device according to usage needs to meet the usage needs of users.

[0008] In a preferred embodiment, a plurality of concave plates are fixedly connected to the lower end of the desk desktop at positions adjacent to the rotating screws, and movable table legs are slidably connected to the middle positions of the concave plates.

[0009] By adopting the above technical solution, the concave plate facilitates the connection between the movable table legs and the desk desktop, and facilitates the folding of the movable table legs to ensure that the occupied area of ​​the equipment is reduced when not in use. The movable table legs facilitate the support of the equipment and are convenient for users to use.

[0010] In a preferred embodiment, the side surface of the concave plate is threadedly connected with a limit screw, and the limit screw passes through the surface of the concave plate and abuts against the movable table leg.

[0011] By adopting the above technical solution, the limit screws can be used to fix the position of the movable table legs when the desk is unfolded. The limit screws are tightened to fix the position of the movable table legs, thereby ensuring the stability of the structure when the user uses the desk and protecting the safety of the user.

[0012] In a preferred embodiment, a side surface of the desk desktop is fixedly connected to a rotating shaft connecting plate, and the rotating shaft connecting plate is slidably connected to a rotating shaft plate.

[0013] By adopting the above technical solution, the pivot connecting plate connects the protective arc plate and the desk desktop, thereby facilitating the folding operation of the equipment. The pivot plate is convenient for carrying the position of the pivot connecting plate, ensuring the normal rotation of the pivot connecting plate.

[0014] In a preferred embodiment, the rotating shaft plate is fixedly connected to a protective arc plate, and the side surface of the rotating shaft plate is threadedly connected to a connecting screw.

[0015] By adopting the above technical solution, the protective arc plate is convenient for protecting items on the surface of the desk desktop and convenient for connecting and fixing the position of the table legs. The connecting screws are fixed to the position of the shaft connecting plate after the rotation is completed, fixing the position of the desk desktop and ensuring the stability of the connection.

[0016] In a preferred embodiment, the lower end of the arc protection plate is fixedly connected to a fixed table leg, and the middle position of adjacent movable table legs is fixedly connected to a connecting rod.

[0017] By adopting the above technical solution, the fixed table legs are conveniently connected to support the position of the desk, ensuring the stability of the position of the desk. The connecting rod connects the positions of adjacent movable table legs, ensuring the stable connection of the movable table legs, which is convenient for staff to use.

[0018] In a preferred embodiment, the lower ends of the fixed table legs and the movable table legs are provided with grooves, and a rectangular clamping plate is provided inside the groove. The surface of the rectangular clamping plate is threadedly connected with a fixing bolt, and the rectangular clamping plate is fixedly connected to the movable table leg and the fixed table leg by the fixing bolt.

[0019] By adopting the above technical solution, a rectangular card plate is used to connect and fix the positions of the fixed table legs and the movable table legs, thereby strengthening the connection between the devices and preventing the movable table legs from moving when the user is in use, thereby facilitating the user to use the device.

[0020] In a preferred embodiment, the desk desktop is made of wear-resistant metal material, and the surfaces of the movable legs and fixed legs are sprayed with anti-corrosion paint.

[0021] By adopting the above technical solutions, wear-resistant metal materials usually have higher hardness and wear resistance, and can resist friction, wear and scratches, thereby extending the service life of parts. Anti-corrosion spray paint can form a protective film to effectively isolate the metal surface from the external medium and slow down the oxidation and corrosion of the metal surface.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0023] In the present application, during use, the surface of the device is extended by using an extension plate, thereby expanding the use area of ​​the desk, facilitating the use of the user, and facilitating the stacking of more books to meet different usage requirements. During use, the rotating screw is first taken out from the desk desktop, and then the staff holds the handle to pull the position of the extension plate to move, thereby expanding the use area of ​​the device. When it moves to the specified position, the rotating screw is reinserted into the desk desktop, and then the threaded hole is connected to ensure a firm connection between the structures, to ensure that the structure will not be deformed when the user uses the desk, and to ensure safe use. The rectangular plate is convenient for limiting items on the surface of the extension plate to prevent them from falling. By using this structure, it is convenient for the user to adjust the use area of ​​the device according to usage requirements to meet the user's usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the side structure of the foldable desk of this application;

[0025] Figure 2 This is a schematic diagram of the unfolded structure of the foldable desk in this application;

[0026] Figure 3 This is a schematic diagram of the bottom structure of the foldable desk in this application;

[0027] Figure 4 This is a schematic diagram of the folding structure of the foldable desk in this application.

[0028] Markings in the figure: 1. Desk tabletop; 2. Movable table legs; 3. Connecting rod; 4. Concave plate; 5. Limit screw; 6. Rectangular clamp; 7. Fixing bolt; 8. Fixed table legs; 9. Connecting screw; 10. Pivot plate; 11. Protective arc plate; 12. Handle; 13. Rectangular plate; 14. Pivot connecting plate; 15. Extension plate; 16. Threaded hole; 17. Rotating screw. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] Reference Figure 1-4 ,

[0031] Example:

[0032] Reference Figure 1-4A foldable desk comprises a desk desktop 1, an extension plate 15 is slidably connected to the side of the desk desktop 1, a rectangular plate 13 is fixedly connected to the side of the extension plate 15, a handle 12 is connected to the side of the rectangular plate 13, a plurality of threaded holes 16 are arranged at the lower end of the extension plate 15, a rotating screw 17 is threadedly connected to the lower end of the desk desktop 1, the rotating screw 17 passes through the surface of the desk desktop 1 and is inserted into the threaded hole 16, the size of the threaded hole 16 is adapted to the size of the rotating screw 17, and the surface of the device is extended by using the extension plate 15 during use, thereby expanding the use area of ​​the desk, facilitating the use of the user, and conveniently stacking more books, and filling To meet different usage requirements, during use, first take out the rotating screw 17 from the desk desktop 1, and then the staff holds the handle 12 to pull the extension plate 15 to move, thereby expanding the use area of ​​the equipment. When it moves to the specified position, the rotating screw 17 is reinserted into the desk desktop 1, and then the threaded hole 16 is connected to ensure that the connection between the structures is firm and that the structure will not be deformed when the user uses the desk, thereby ensuring safe use. The rectangular plate 13 is convenient for limiting items on the surface of the extension plate 15 to prevent them from falling. By using this structure, it is convenient for the user to adjust the use area of ​​the equipment according to the usage requirements to meet the user's usage requirements.

[0033] Reference Figure 1-4 The lower end of the desk desktop 1 is located adjacent to the rotating screw 17 and is fixedly connected with a plurality of concave plates 4. The middle position of the concave plates 4 is slidably connected with movable table legs 2. The concave plates 4 facilitate the connection between the movable table legs 2 and the desk desktop 1, and facilitate the folding of the movable table legs 2 to ensure that the occupied area of ​​the equipment is reduced when not in use. The movable table legs 2 facilitate the support of the equipment and are convenient for users to use.

[0034] Reference Figure 1-4 The side of the concave plate 4 is threadedly connected with a limit screw 5, and the limit screw 5 passes through the surface of the concave plate 4 and presses against the movable table leg 2. The limit screw 5 is convenient for fixing the position of the movable table leg 2 when the desk is unfolded. The limit screw 5 is fixed and tightened to fix the position of the movable table leg 2, ensuring the stability of the structure when the user uses the desk and protecting the safety of the user.

[0035] Reference Figure 1-4 The side of the desk desktop 1 is fixedly connected with a pivot connecting plate 14, and the pivot connecting plate 14 is slidably connected with a pivot plate 10. The pivot connecting plate 14 connects the protective arc plate 11 and the desk desktop 1, thereby facilitating the folding operation of the equipment. The pivot plate 10 is convenient for carrying the position of the pivot connecting plate 14 to ensure the normal rotation of the pivot connecting plate 14.

[0036] Reference Figure 1-4The hinge plate 10 is fixedly connected with a protective arc plate 11, and the side of the hinge plate 10 is threadedly connected with a connecting screw 9. The protective arc plate 11 is convenient for protecting items on the surface of the desk desktop 1 and convenient for connecting and fixing the position of the table legs 8. The connecting screws 9 are fixed to the position of the hinge connecting plate 14 after the rotation is completed, fixing the position of the desk desktop 1 and ensuring the stability of the connection.

[0037] Reference Figure 1-4 The lower end of the protective arc plate 11 is fixedly connected to a fixed table leg 8, and the middle position of the adjacent movable table leg 2 is fixedly connected to a connecting rod 3. The fixed table leg 8 is convenient for connecting to support the position of the desk to ensure the stability of the position of the desk. The connecting rod 3 connects the position of the adjacent movable table leg 2 to ensure the stable connection of the movable table leg 2, which is convenient for the staff to use.

[0038] Reference Figure 1-4 The lower ends of the fixed table legs 8 and the movable table legs 2 are provided with grooves, and a rectangular card plate 6 is provided inside the groove. The surface of the rectangular card plate 6 is threadedly connected with a fixing bolt 7. The rectangular card plate 6 is fixedly connected to the movable table leg 2 and the fixed table leg 8 by the fixing bolt 7. By using the rectangular card plate 6 to connect and fix the position of the fixed table leg 8 and the movable table leg 2, the connection between the devices is strengthened, so that the movable table leg 2 will not move when the user is in use, which is convenient for the user to use the device.

[0039] Reference Figure 1-4 The desk desktop 1 is made of wear-resistant metal material, and the surfaces of the movable legs 2 and the fixed legs 8 are sprayed with anti-corrosion paint. The wear-resistant metal material usually has high hardness and wear resistance, and can resist friction, wear and scratches, thereby extending the service life of parts. The anti-corrosion paint can form a protective film, which effectively isolates the metal surface from the contact with the external medium and slows down the oxidation and corrosion of the metal surface.

[0040] The implementation principle of a foldable desk embodiment of the present application is:

[0041] During use, the surface of the device is extended by using the extension plate 15, thereby expanding the use area of ​​the desk, making it convenient for users to use it, and convenient for stacking more books to meet different use needs. During use, the rotating screw 17 is first taken out from the desk desktop 1, and then the staff holds the handle 12 to pull the position of the extension plate 15 to move. In this way, the use area of ​​the device is expanded. After the displacement reaches the specified position, the rotating screw 17 is re-inserted into the desk desktop 1, and then the threaded hole 16 is connected to ensure that the connection between the structures is stable, and that the structure will not be deformed when the user uses the desk, ensuring safe use. The rectangular plate 13 is convenient for limiting the items on the surface of the extension plate 15 to prevent them from falling. By using this structure, it is convenient for users to adjust the use area of ​​the device according to use needs to meet the use needs of users.

[0042] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A foldable desk, comprising a desk tabletop (1), characterized in that: The side of the desk desktop (1) is slidably connected to an extension plate (15), the side of the extension plate (15) is fixedly connected to a rectangular plate (13), the side of the rectangular plate (13) is connected to a handle (12), the lower end of the extension plate (15) is provided with a plurality of threaded holes (16), the lower end of the desk desktop (1) is threadedly connected to a rotating screw (17), the rotating screw (17) passes through the surface of the desk desktop (1) and is inserted into the threaded hole (16), and the size of the threaded hole (16) is adapted to the size of the rotating screw (17).

2. A foldable desk as claimed in claim 1, characterized in that: The lower end of the desk tabletop (1) is fixedly connected to a plurality of concave plates (4) at a position adjacent to the rotating screw (17), and a movable table leg (2) is slidably connected to the middle position of the concave plates (4).

3. A foldable desk as claimed in claim 2, characterized in that: The side surface of the concave plate (4) is threadedly connected to a limit screw (5), and the limit screw (5) passes through the surface of the concave plate (4) and abuts against the movable table leg (2).

4. A foldable desk as claimed in claim 3, characterized in that: A rotating shaft connecting plate (14) is fixedly connected to the side of the desk desktop (1), and the rotating shaft connecting plate (14) is slidably connected to the rotating shaft plate (10).

5. A foldable desk as claimed in claim 4, characterized in that: The rotating shaft plate (10) is fixedly connected to a protective arc plate (11), and a connecting screw (9) is threadedly connected to the side surface of the rotating shaft plate (10).

6. A foldable desk as claimed in claim 5, characterized in that: The lower end of the arc protection plate (11) is fixedly connected to a fixed table leg (8), and the middle position of adjacent movable table legs (2) is fixedly connected to a connecting rod (3).

7. A foldable desk as claimed in claim 6, characterized in that: The lower ends of the fixed table leg (8) and the movable table leg (2) are provided with grooves, and a rectangular clamping plate (6) is provided inside the groove. The surface of the rectangular clamping plate (6) is threadedly connected with a fixing bolt (7), and the rectangular clamping plate (6) is fixedly connected to the movable table leg (2) and the fixed table leg (8) through the fixing bolt (7).

8. A foldable desk as claimed in claim 7, characterized in that: The desk tabletop (1) is made of wear-resistant metal material, and the surfaces of the movable legs (2) and the fixed legs (8) are sprayed with anti-corrosion paint.

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