Desk and chair for multiple persons

Abstract

The utility model provides a multi-user desk and chair which comprises a chair assembly and a desk assembly, the chair assembly comprises a first supporting structure, the first supporting structure is provided with at least two sitting surface structures, and the multiple sitting surface structures are arranged in the first direction; a cup placing structure is arranged on the first supporting structure, and the cup placing structure is located between the two adjacent sitting surface structures; the table assembly comprises a second supporting structure, at least two table top structures are arranged on the second supporting structure, and the table top structures correspond to the sitting surface structures one to one; according to the seat, the cup containing structure is arranged between the two adjacent sitting surface structures, when a student uses the seat, a water cup can be placed in the cup containing structure, the situation that the water cup is likely to be splashed or broken is avoided, and potential safety hazards are reduced; meanwhile, the water cup is placed between the two adjacent sitting surface structures, the situation that the water cup occupies the table top space is avoided, the space for the student to place learning materials is increased, and the table is more suitable for the student to use.

Description

Technical Field

[0001] The present application generally relates to the field of desk and chair technology, and specifically relates to a desk and chair for multiple people. Background Art

[0002] Desks and chairs are essential furniture in teaching environments, designed to provide students with a comfortable learning space. They are usually composed of a seat and a table, and have good stability and functionality.

[0003] In the prior art, when students use desks and chairs, there is usually no special place to place water cups. Students usually place water cups on the table or on the ground, which can easily cause the cups to be accidentally knocked over, causing the water in the cups to spill, and in serious cases, the cups to break, increasing safety hazards. At the same time, the water cups take up table space, reducing the space for students to place learning materials. Utility Model Content

[0004] In view of the above defects or deficiencies in the prior art, it is desired to provide a desk and chair for multiple people that can solve the above technical problems.

[0005] The present application provides a desk and chair for multiple people, comprising:

[0006] A chair assembly comprising a first support structure, wherein at least two seating surface structures are provided on the first support structure, and the plurality of seating surface structures are arranged along a first direction; a cup placement structure is further provided on the first support structure, and the cup placement structure is located between two adjacent seating surface structures; the cup placement structure is used to place cups;

[0007] A table assembly includes a second supporting structure, on which at least two tabletop structures are arranged, and the tabletop structures correspond one-to-one to the seating surface structures.

[0008] According to the technical solution provided by this application, the cup placement structure includes:

[0009] A bracket body, wherein the bracket body has two accommodating cavities arranged along the second direction;

[0010] A snap-fit groove is provided at the bottom of the bracket body, the snap-fit groove extends along the first direction, and the snap-fit groove is used to connect to the first supporting structure; the second direction is perpendicular to the first direction.

[0011] According to the technical solution provided in the present application, the first support structure includes: a first stand and a second stand respectively arranged along the first direction, and a first connecting rod connected between the first stand and the second stand, the first connecting rod being arranged close to the seating surface structure, the seating surface structure and the cup placement structure being both arranged on the first connecting rod; the first stand and the second stand both extend along a third direction, the third direction being perpendicular to the first direction and perpendicular to the second direction;

[0012] The first stand comprises a first fixed rod and a first movable rod, the first movable rod is arranged in the first fixed rod, and the first movable rod can reciprocate along the third direction relative to the first fixed rod; the second stand comprises a second fixed rod and a second movable rod, the second movable rod is arranged in the second fixed rod, and the second movable rod can reciprocate along the third direction relative to the second fixed rod;

[0013] A first lifting assembly is provided in the first stand and the second stand. The first lifting assembly is used to drive the first movable rod and the second movable rod to synchronously reciprocate along the third direction.

[0014] According to the technical solution provided in this application, the first lifting assembly includes:

[0015] A first lifting structure, the first lifting structure is arranged in the first stand, and the first lifting structure includes: a first sleeve, a first screw and a first gear box, the first sleeve is fixedly connected to the first fixed rod, one end of the first screw is arranged in the first sleeve, and the first screw is threadedly connected to the first sleeve, and the end of the first screw away from the first sleeve is connected to the first gear box; the first gear box is fixedly connected to the first movable rod; the first screw can reciprocate along the third direction in the first sleeve;

[0016] A second lifting structure, the second lifting structure is arranged in the second stand, the second lifting structure includes: a second sleeve, a second lead screw and a second gear box, the second sleeve is fixedly connected to the second fixed rod, one end of the second lead screw is arranged in the second sleeve, and the second lead screw is threadedly connected to the second sleeve, one end of the second lead screw away from the second sleeve is connected to the second gear box, and the second gear box is fixedly connected to the second movable rod; the second lead screw can reciprocate along the third direction in the second sleeve;

[0017] a first rotating shaft, the first rotating shaft being disposed between the first movable rod and the second movable rod, one end of the first rotating shaft being disposed in the first gear box, and the other end of the first rotating shaft being disposed in the second gear box;

[0018] A first lifting handle, one end of which extends into the first gear box and is connected to the first rotating shaft.

[0019] According to the technical solution provided in this application, the riding surface structure includes: a riding board and a backrest board, the riding board is fixedly connected to the first connecting rod, the backrest board is arranged on one side of the riding board along the second direction, and the riding board and the backrest board are perpendicular to each other.

[0020] According to the technical solution provided by the present application, the second supporting structure includes: a third stand and a fourth stand respectively arranged along the first direction, and a second connecting rod connected between the third stand and the fourth stand, the desktop structure is arranged on the second connecting rod; the third stand and the fourth stand both extend along the third direction;

[0021] The third stand comprises a third fixed rod and a third movable rod, wherein the third movable rod is arranged in the third fixed rod and can reciprocate relative to the third fixed rod along the third direction; the fourth stand comprises a fourth fixed rod and a fourth movable rod, wherein the fourth movable rod is arranged in the fourth fixed rod and can reciprocate relative to the fourth fixed rod along the third direction;

[0022] A second lifting assembly is provided in the third stand and the fourth stand, and the second lifting assembly is used to drive the third movable rod and the fourth movable rod to synchronously reciprocate along the third direction.

[0023] According to the technical solution provided in this application, the second lifting assembly includes:

[0024] A third lifting structure is provided in the third stand, and comprises: a third sleeve, a third lead screw and a third gear box; the third sleeve is fixedly connected to the third fixed rod; one end of the third lead screw is provided in the third sleeve, and the third lead screw is threadedly connected to the third sleeve; one end of the third lead screw away from the third sleeve is connected to the third gear box; the third gear box is fixedly connected to the third movable rod; the third lead screw can reciprocate along the third direction in the third sleeve;

[0025] a fourth lifting structure, the fourth lifting structure being disposed in the fourth stand, the fourth lifting structure comprising: a fourth sleeve, a fourth lead screw, and a fourth gear box; the fourth sleeve being fixedly connected to the fourth fixed rod; one end of the fourth lead screw being disposed in the fourth sleeve and being threadedly connected to the fourth sleeve; an end of the fourth lead screw away from the fourth sleeve being connected to the fourth gear box; and the fourth gear box being fixedly connected to the fourth movable rod; the fourth lead screw being capable of reciprocating along the third direction within the fourth sleeve;

[0026] a second rotating shaft, the second rotating shaft being disposed between the third movable rod and the fourth movable rod, one end of the second rotating shaft being disposed in the third gear box, and the other end of the second rotating shaft being disposed in the fourth gear box;

[0027] A second lifting handle, one end of which extends into the third gear box and is connected to the second rotating shaft.

[0028] According to the technical solution provided in this application, the desktop structure includes: a desktop and a table pocket, the desktop is arranged on the top of the third movable rod and the fourth movable rod, the table pocket is arranged below the desktop, and the table pocket is arranged between the third movable rod and the fourth movable rod, and the second connecting rod is fixedly connected to the bottom of the table pocket.

[0029] According to the technical solution provided in the present application, hooks are respectively provided on the sides of the third movable rod and the fourth movable rod that are away from each other.

[0030] The beneficial effects of this application are:

[0031] The present application provides a desk and chair for multiple people, comprising: a chair assembly and a table assembly, the chair assembly comprising a first supporting structure, at least two seating surface structures being provided on the first supporting structure, and the plurality of seating surface structures being arranged along a first direction; a cup placement structure being provided on the first supporting structure, and the cup placement structure being located between two adjacent seating surface structures; the cup placement structure being used to place cups; the table assembly comprising a second supporting structure, at least two table top structures being provided on the second supporting structure, and the table top structures corresponding one-to-one to the seating surface structures; in the present application, a cup placement structure is provided between two adjacent seating surface structures, and students can place water cups in the cup placement structure when using the table, thereby preventing the water cups from being easily spilled or broken, and reducing the occurrence of safety hazards; at the same time, placing the water cups between two adjacent seating surface structures avoids the water cups occupying table space, increases the space for students to place learning materials, and is more suitable for students to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0033] Figure 1 This is a schematic diagram of a chair assembly for a multi-person desk and chair provided by the present application;

[0034] Figure 2 This is a top view of the cup placement structure provided by this application;

[0035] Figure 3 This is a bottom view of the cup placement structure provided by the present application;

[0036] Figure 4 is a schematic diagram of a first support structure provided by this application;

[0037] Figure 5 is a schematic diagram of a first lifting assembly provided by the present application;

[0038] Figure 6 is a side view of the first lifting assembly provided by the present application;

[0039] Figure 7 This is a schematic diagram of a desk assembly for multiple-person desks and chairs provided by the present application;

[0040] Figure 8 is a schematic diagram of a second support structure provided by this application;

[0041] Figure 9 is a schematic diagram of a second lifting assembly provided by the present application;

[0042] Figure 10 is a side view of the second lifting assembly provided by the present application;

[0043] Figure 11 It is a schematic diagram of the hook provided in this application.

[0044] In the figure: 1. bracket body; 2. accommodating cavity; 3. snap-fit groove; 4. first fixed rod; 5. first movable rod; 6. second fixed rod; 7. second movable rod; 8. first sleeve; 9. first screw; 10. first gear box; 11. second sleeve; 12. second screw; 13. second gear box; 14. first rotating shaft; 15. first lifting handle; 16. riding board; 17. backrest board; 18. third fixed rod; 19. third movable rod; 20. fourth fixed rod; 21. fourth movable rod; 22. third sleeve; 23. third screw; 24. third gear box; 25. fourth sleeve; 26. fourth screw; 27. fourth gear box; 28. second rotating shaft; 29. second lifting handle; 30. first connecting rod; 31. second connecting rod; 32. third connecting rod; 33. fourth connecting rod; 34. table top; 35. table pocket; 36. hook DETAILED DESCRIPTION

[0045] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant utility model and are not intended to limit the utility model. It should also be noted that, for ease of description, only the portions relevant to the utility model are shown in the accompanying drawings.

[0046] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0047] Example 1

[0048] Please refer to Figures 1-11 The present application provides a desk and chair for multiple people, comprising:

[0049] The chair assembly includes a first support structure, on which at least two seating surface structures are arranged, and the plurality of seating surface structures are arranged along a first direction; the first support structure is also provided with a cup placement structure, and the cup placement structure is located between two adjacent seating surface structures; the cup placement structure is used to place cups;

[0050] The table assembly includes a second supporting structure, on which at least two tabletop structures are arranged, and the tabletop structures correspond one to one with the seating surface structures.

[0051] Specifically, such as Figure 1 and Figure 7As shown, in this embodiment, the desks and chairs are for double use, so both the seating surface structure and the table surface structure are two. Moreover, compared with the dispersion and individuality of single-person desks and chairs in the prior art, desks and chairs for multiple people are easier to arrange neatly, thereby improving the neatness of the classroom. At the same time, desks and chairs for multiple people are usually more compact in layout, which can effectively utilize classroom space.

[0052] Specifically, the first direction is the length direction of the chair assembly. In this embodiment, the first direction is the horizontal direction;

[0053] Working principle: In this application, a cup placement structure is provided between two adjacent seating surface structures. When in use, students can place their water cups in the cup placement structure, thereby preventing the water cups from being easily spilled or broken, and reducing the occurrence of safety hazards. At the same time, placing the water cups between two adjacent seating surface structures avoids the water cups occupying 34 space on the desktop, thereby increasing the space for students to place learning materials, and making it more suitable for students to use.

[0054] In certain embodiments, the cup placement structure includes:

[0055] The bracket body 1 has two accommodating cavities 2 arranged along the second direction;

[0056] A snap-fitting slot 3 is provided at the bottom of the bracket body 1 . The snap-fitting slot 3 extends along a first direction and is used to connect to the first supporting structure. The second direction is perpendicular to the first direction.

[0057] Specifically, in this embodiment, the second direction is a horizontal direction, and the second direction is perpendicular to the first direction;

[0058] Specifically, such as Figure 2 and Figure 3 As shown, the cup placement structure includes: a bracket body 1, the bracket body 1 has two accommodating cavities 2 arranged along the second direction, that is, the cup placement structure can be used by two adjacent students; at the same time, the two accommodating cavities 2 are arranged along the second direction, and the two seating surface structures are arranged along the first direction, which facilitates taking and storing water cups;

[0059] Specifically, a clamping groove 3 is provided at the bottom of the bracket body 1 , and the bracket body 1 is arranged on the first supporting structure through the clamping groove 3 .

[0060] In some embodiments, the first support structure includes: a first frame and a second frame distributed along a first direction, and a first connecting rod 30 connected between the first frame and the second frame, the first connecting rod 30 being disposed near the seating surface structure, and the seating surface structure and the cup placement structure being disposed on the first connecting rod 30; the first frame and the second frame both extending along a third direction, the third direction being perpendicular to the first direction and perpendicular to the second direction;

[0061] The first stand comprises a first fixed rod 4 and a first movable rod 5. The first movable rod 5 is arranged inside the first fixed rod 4 and can reciprocate relative to the first fixed rod 4 along the third direction. The second stand comprises a second fixed rod 6 and a second movable rod 7. The second movable rod 7 is arranged inside the second fixed rod 6 and can reciprocate relative to the second fixed rod 6 along the third direction.

[0062] A first lifting assembly is provided in the first stand and the second stand. The first lifting assembly is used to drive the first movable rod 5 and the second movable rod 7 to synchronously reciprocate along the third direction.

[0063] Specifically, such as Figure 4 As shown, the first support structure includes: a first upright frame and a second upright frame respectively arranged along a first direction, and a first connecting rod 30 connected between the first upright frame and the second upright frame. The first connecting rod 30 is arranged close to the seating surface structure and is also used to support the seating surface structure. At the same time, the clamping groove 3 matches the first connecting rod 30, and the clamping groove 3 is clamped on the first connecting rod 30.

[0064] Specifically, in this embodiment, compared with the single-person classroom chair in the prior art, the present application reduces the number of upright frames used for support, saves manufacturing materials, and thus saves overall manufacturing costs;

[0065] Specifically, in some embodiments, a third connecting rod 32 is further provided between the first upright frame and the second upright frame. The third connecting rod 32 is provided away from the seating surface structure and is used to ensure the stability of the connection between the first upright frame and the second upright frame.

[0066] Specifically, the first vertical frame includes a first fixed rod 4 and a first movable rod 5, and the first movable rod 5 is arranged in the first fixed rod 4; the second vertical frame includes a second fixed rod 6 and a second movable rod 7, and the second movable rod 7 is arranged in the second fixed rod 6; the first connecting rod 30 is connected between the first movable rod 5 and the second movable rod 7, and the third connecting rod 32 is connected between the first fixed rod 4 and the second fixed rod 6; at the same time, a first lifting assembly is provided in the first vertical frame and the second vertical frame to drive the first movable rod 5 and the second movable rod 7 to reciprocate synchronously along the third direction, thereby controlling the height of the riding surface structure to adapt to the use of students of different heights; in this embodiment, the third direction is the vertical direction.

[0067] In some embodiments, the first lifting assembly includes:

[0068] The first lifting structure is arranged in the first stand and includes: a first sleeve 8, a first screw 9 and a first gear box 10. The first sleeve 8 is fixedly connected to the first fixed rod 4. One end of the first screw 9 is arranged in the first sleeve 8 and the first screw 9 is threadedly connected to the first sleeve 8. The end of the first screw 9 away from the first sleeve 8 is connected to the first gear box 10; the first gear box 10 is fixedly connected to the first movable rod 5; the first screw 9 can reciprocate along the third direction in the first sleeve 8;

[0069] The second lifting structure is arranged in the second vertical frame, and the second lifting structure includes: a second sleeve 11, a second screw 12 and a second gear box 13. The second sleeve 11 is fixedly connected to the second fixed rod 6. One end of the second screw 12 is arranged in the second sleeve 11, and the second screw 12 is threadedly connected to the second sleeve 11. The end of the second screw 12 away from the second sleeve 11 is connected to the second gear box 13, and the second gear box 13 is fixedly connected to the second movable rod 7; the second screw 12 can reciprocate along the third direction in the second sleeve 11;

[0070] A first rotating shaft 14, the first rotating shaft 14 is arranged between the first movable rod 5 and the second movable rod 7, one end of the first rotating shaft 14 is arranged in the first gear box 10, and the other end of the first rotating shaft 14 is arranged in the second gear box 13;

[0071] The first lifting handle 15 has one end extending into the first gear box 10 and connected to the first rotating shaft 14 .

[0072] Specifically, in this embodiment, the first rotating shaft 14 is disposed in the first connecting rod 30 , and both ends of the first rotating shaft 14 are connected to the first gear box 10 and the second gear box 13 respectively;

[0073] In this embodiment, two mutually perpendicular bevel gears are respectively provided inside the first gearbox 10 and the second gearbox 13, one of which is fixedly connected to the first rotating shaft 14, and the other is fixedly connected to the corresponding first screw 9 or second screw 12;

[0074] Specifically, such as Figure 5 and Figure 6 As shown, the height of the seating surface structure is controlled by rotating the first lifting handle 15;

[0075] Specifically, when the riding surface structure needs to be controlled to descend, the user rotates the first lifting handle 15 clockwise, and the first lifting handle 15 drives the first rotating shaft 14 to rotate clockwise, thereby driving the gear assembly in the first gear box 10 and the second gear box 13 to rotate clockwise, thereby synchronously driving the first lead screw 9 and the second lead screw 12 to rotate clockwise, causing the first lead screw 9 and the second lead screw 12 to move downward in the first sleeve 8 and the second sleeve 11 respectively, thereby causing the first movable rod 5 and the second movable rod 7 to move downward in the first fixed rod 4 and the second fixed rod 6 respectively, thereby causing the riding surface structure to move downward. After reaching the specified height, the rotation of the first lifting handle 15 is stopped;

[0076] When it is necessary to control the riding surface structure to rise, the user rotates the first lifting handle 15 counterclockwise, and the first lifting handle 15 drives the first rotating shaft 14 to rotate counterclockwise, thereby driving the gear assembly in the first gear box 10 and the second gear box 13 to rotate counterclockwise, thereby synchronously driving the first lead screw 9 and the second lead screw 12 to rotate counterclockwise, so that the first lead screw 9 and the second lead screw 12 move upward in the first sleeve 8 and the second sleeve 11 respectively, and then the first movable rod 5 and the second movable rod 7 move upward in the first fixed rod 4 and the second fixed rod 6 respectively, so that the riding surface structure moves upward. After reaching the specified height, the rotation of the first lifting handle 15 is stopped.

[0077] In some embodiments, the seating surface structure includes: a seating board 16 and a backrest board 17, the seating board 16 is fixedly connected to the first connecting rod 30, the backrest board 17 is arranged on one side of the seating board 16 along the second direction, and the seating board 16 and the backrest board 17 are perpendicular to each other.

[0078] Specifically, the seating surface structure includes: a seating board 16 and a backrest board 17. The seating board 16 is fixedly connected to the first connecting rod 30, and a space is left between two adjacent seating boards 16 to place the cup placement structure; the backrest board 17 is arranged on one side of the seating board 16 along the second direction, and the seating board 16 and the backrest board 17 are perpendicular to each other.

[0079] In some embodiments, the second support structure includes: a third stand and a fourth stand distributed along the first direction, and a second connecting rod 31 connected between the third stand and the fourth stand, and the desktop structure is arranged on the second connecting rod 31; the third stand and the fourth stand both extend along the third direction;

[0080] The third stand comprises a third fixed rod 18 and a third movable rod 19. The third movable rod 19 is disposed within the third fixed rod 18 and can reciprocate relative to the third fixed rod 18 along a third direction. The fourth stand comprises a fourth fixed rod 20 and a fourth movable rod 21. The fourth movable rod 21 is disposed within the fourth fixed rod 20 and can reciprocate relative to the fourth fixed rod 20 along the third direction.

[0081] A second lifting assembly is provided in the third stand and the fourth stand. The second lifting assembly is used to drive the third movable rod 19 and the fourth movable rod 21 to synchronously reciprocate along the third direction.

[0082] Specifically, such as Figure 8 As shown, the second supporting structure includes: a third stand, a fourth stand, and a second connecting rod 31 connected between the third stand and the fourth stand. The second connecting rod 31 is arranged close to the table structure and is also used to support the table structure.

[0083] Specifically, in this embodiment, compared with the single-person desk in the prior art, the present application reduces the number of supporting frames, saves manufacturing materials, and thus saves overall manufacturing costs;

[0084] Specifically, in some embodiments, a fourth connecting rod 33 is further provided between the third stand and the fourth stand. The fourth connecting rod 33 is provided away from the desktop structure. The fourth connecting rod 33 is used to ensure the stability of the connection between the third stand and the fourth stand.

[0085] The third stand includes a third fixed rod 18 and a third movable rod 19, and the third movable rod 19 is arranged in the third fixed rod 18; the fourth stand includes a fourth fixed rod 20 and a fourth movable rod 21, and the fourth movable rod 21 is arranged in the fourth fixed rod 20; the second connecting rod 31 is connected between the third movable rod 19 and the fourth movable rod 21, and the fourth connecting rod 33 is connected between the third fixed rod 18 and the third fixed rod 18; at the same time, a second lifting assembly is provided in the third stand and the fourth stand to drive the third movable rod 19 and the fourth movable rod 21 to reciprocate synchronously along the third direction, thereby controlling the height of the desktop structure to adapt to students of different heights.

[0086] In some embodiments, the second lifting assembly includes:

[0087] The third lifting structure is arranged in the third stand and includes: a third sleeve 22, a third lead screw 23 and a third gear box 24. The third sleeve 22 is fixedly connected to the third fixed rod 18. One end of the third lead screw 23 is arranged in the third sleeve 22 and is threadedly connected to the third sleeve 22. The end of the third lead screw 23 away from the third sleeve 22 is connected to the third gear box 24; the third gear box 24 is fixedly connected to the third movable rod 19; the third lead screw 23 can reciprocate along the third direction in the third sleeve 22;

[0088] A fourth lifting structure is disposed within the fourth upright frame and includes: a fourth sleeve 25, a fourth lead screw 26, and a fourth gear box 27. The fourth sleeve 25 is fixedly connected to the fourth fixed rod 20. One end of the fourth lead screw 26 is disposed within the fourth sleeve 25 and is threadedly connected to the fourth sleeve 25. An end of the fourth lead screw 26 away from the fourth sleeve 25 is connected to the fourth gear box 27, and the fourth gear box 27 is fixedly connected to the fourth movable rod 21. The fourth lead screw 26 can reciprocate along the third direction within the fourth sleeve 25.

[0089] A second rotating shaft 28 is disposed between the third movable rod 19 and the fourth movable rod 21 , one end of the second rotating shaft 28 is disposed in the third gear box 24 , and the other end of the second rotating shaft 28 is disposed in the fourth gear box 27 ;

[0090] The second lifting handle 29 has one end extending into the third gear box 24 and connected to the second rotating shaft 28 .

[0091] Specifically, in this embodiment, the second rotating shaft 28 is arranged through the desktop structure;

[0092] In this embodiment, two mutually perpendicular bevel gears are respectively provided inside the third gearbox 24 and the fourth gearbox 27, one of which is fixedly connected to the second rotating shaft 28, and the other is fixedly connected to the corresponding third screw 23 or fourth screw 26;

[0093] Specifically, such as Figure 9 and Figure 10 As shown, the height of the desktop structure is controlled by rotating the second lifting handle 29;

[0094] Specifically, when it is necessary to control the desktop structure to descend, the user rotates the second lifting handle 29 clockwise, and the second lifting handle 29 drives the second rotating shaft 28 to rotate clockwise, thereby driving the gear assembly in the third gear box 24 and the fourth gear box 27 to rotate clockwise, thereby synchronously driving the third lead screw 23 and the fourth lead screw 26 to rotate clockwise, causing the third lead screw 23 and the fourth lead screw 26 to move downward in the third sleeve 22 and the fourth sleeve 25 respectively, thereby causing the third movable rod 19 and the fourth movable rod 21 to move downward in the third fixed rod 18 and the fourth fixed rod 20 respectively, thereby causing the desktop structure to move downward. After reaching the specified height, the rotation of the second lifting handle 29 is stopped;

[0095] When it is necessary to control the desktop structure to rise, the user rotates the second lifting handle 29 counterclockwise, and the second lifting handle 29 drives the second rotating shaft 28 to rotate counterclockwise, thereby driving the gear assembly in the third gear box 24 and the fourth gear box 27 to rotate counterclockwise, thereby synchronously driving the third lead screw 23 and the fourth lead screw 26 to rotate counterclockwise, so that the third lead screw 23 and the fourth lead screw 26 move upward in the third sleeve 22 and the fourth sleeve 25 respectively, and then the third movable rod 19 and the fourth movable rod 21 move upward in the third fixed rod 18 and the fourth fixed rod 20 respectively, so that the desktop structure moves upward until it reaches the specified height, and then the second lifting handle 29 stops rotating.

[0096] In some embodiments, the desktop structure includes: a desktop 34 and a table pocket 35, the desktop 34 is arranged on the top of the third movable rod 19 and the fourth movable rod, the table pocket 35 is arranged below the desktop 34, and the table pocket 35 is arranged between the third movable rod 19 and the fourth movable rod 21, and the second connecting rod 31 is fixedly connected to the bottom of the table pocket 35.

[0097] Specifically, the desktop structure includes: a desktop 34 and a desktop pocket 35. The desktop 34 is arranged on the top of the third movable rod 19 and the fourth movable rod 21 and is fixedly connected to the third movable rod 19 and the fourth movable rod 21. In this embodiment, the desk and chair are for double use. In order to save manufacturing procedures, the desktops 34 of the two desktop structures are an integrated structure.

[0098] Specifically, the table pocket 35 is arranged below the table top 34 and between the third movable rod 19 and the fourth movable rod 21. The second connecting rod 31 is located at the bottom of the table pocket 35 to support the table pocket 35. In this embodiment, the desks and chairs are for double use. In order to save production procedures, the table pockets 35 of the two table top structures are one-piece molded structures, and a partition plate is used to divide the interior into two cavities.

[0099] In some embodiments, a hook 36 is provided on each side of the third movable rod 19 and the fourth movable rod 21 that are away from each other.

[0100] Specifically, such as Figure 7 and Figure 11 As shown, hooks 36 are respectively provided on the sides of the third movable rod 19 and the fourth movable rod 21 away from each other. The hooks 36 are used to hang items such as school bags, which helps to make rational use of space and keep the desktop 34 tidy.

[0101] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the utility model disclosed in this application is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the concept of the utility model. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A desk and chair for multiple people, characterized in that: include: A chair assembly comprising a first support structure, wherein at least two seating surface structures are provided on the first support structure, and the plurality of seating surface structures are arranged along a first direction; a cup placement structure is further provided on the first support structure, and the cup placement structure is located between two adjacent seating surface structures; the cup placement structure is used to place cups; A table assembly includes a second supporting structure, on which at least two tabletop structures are arranged, and the tabletop structures correspond one-to-one to the seating surface structures.

2. A desk and chair for multiple people according to claim 1, characterized in that: The cup placement structure includes: A bracket body (1), wherein the bracket body (1) has two accommodating cavities (2) arranged along the second direction; A snap-fit groove (3), the bottom of the bracket body (1) is provided with a snap-fit groove (3), the snap-fit groove (3) extends along the first direction, and the snap-fit groove (3) is used to connect to the first supporting structure; the second direction is perpendicular to the first direction.

3. A desk and chair for multiple people according to claim 2, characterized in that: The first supporting structure comprises: a first stand and a second stand distributed along the first direction, and a first connecting rod (30) connected between the first stand and the second stand, the first connecting rod (30) being arranged close to the riding surface structure, the riding surface structure and the cup placement structure being both arranged on the first connecting rod (30); the first stand and the second stand both extending along a third direction, the third direction being perpendicular to the first direction and perpendicular to the second direction; The first stand comprises a first fixed rod (4) and a first movable rod (5), the first movable rod (5) being arranged in the first fixed rod (4), and the first movable rod (5) being capable of reciprocating along the third direction relative to the first fixed rod (4); the second stand comprises a second fixed rod (6) and a second movable rod (7), the second movable rod (7) being arranged in the second fixed rod (6), and the second movable rod (7) being capable of reciprocating along the third direction relative to the second fixed rod (6); A first lifting assembly is provided in the first stand and the second stand, and the first lifting assembly is used to drive the first movable rod (5) and the second movable rod (7) to synchronously reciprocate along the third direction.

4. A desk and chair for multiple people according to claim 3, characterized in that: The first lifting assembly includes: A first lifting structure, the first lifting structure is arranged in the first stand, the first lifting structure comprises: a first sleeve (8), a first screw (9) and a first gear box (10), the first sleeve (8) is fixedly connected to the first fixed rod (4), one end of the first screw (9) is arranged in the first sleeve (8), and the first screw (9) is threadedly connected to the first sleeve (8), and the end of the first screw (9) away from the first sleeve (8) is connected to the first gear box (10); the first gear box (10) is fixedly connected to the first movable rod (5); the first screw (9) can reciprocate along the third direction in the first sleeve (8); A second lifting structure, wherein the second lifting structure is arranged in the second stand, and the second lifting structure comprises: a second sleeve (11), a second screw (12) and a second gear box (13), wherein the second sleeve (11) is fixedly connected to the second fixed rod (6), one end of the second screw (12) is arranged in the second sleeve (11), and the second screw (12) is threadedly connected to the second sleeve (11), and the end of the second screw (12) away from the second sleeve (11) is connected to the second gear box (13), and the second gear box (13) is fixedly connected to the second movable rod (7); the second screw (12) can reciprocate along the third direction in the second sleeve (11); a first rotating shaft (14), the first rotating shaft (14) being arranged between the first movable rod (5) and the second movable rod (7), one end of the first rotating shaft (14) being arranged in the first gear box (10), and the other end of the first rotating shaft (14) being arranged in the second gear box (13); A first lifting handle (15), one end of which extends into the first gear box (10) and is connected to the first rotating shaft (14).

5. The desk and chair for multiple people according to claim 4, characterized in that: The seating surface structure comprises a seating board (16) and a backrest board (17), wherein the seating board (16) is fixedly connected to the first connecting rod (30), and the backrest board (17) is arranged on one side of the seating board (16) along the second direction, and the seating board (16) and the backrest board (17) are perpendicular to each other.

6. The desk and chair for multiple people according to claim 3, characterized in that: The second supporting structure comprises: a third stand and a fourth stand distributed along the first direction, and a second connecting rod (31) connected between the third stand and the fourth stand, the desktop structure being arranged on the second connecting rod (31); the third stand and the fourth stand both extending along the third direction; The third stand comprises a third fixed rod (18) and a third movable rod (19), the third movable rod (19) being arranged in the third fixed rod (18), and the third movable rod (19) being capable of reciprocating along the third direction relative to the third fixed rod (18); the fourth stand comprises a fourth fixed rod (20) and a fourth movable rod (21), the fourth movable rod (21) being arranged in the fourth fixed rod (20), and the fourth movable rod (21) being capable of reciprocating along the third direction relative to the fourth fixed rod (20); A second lifting assembly is provided in the third stand and the fourth stand, and the second lifting assembly is used to drive the third movable rod (19) and the fourth movable rod (21) to synchronously reciprocate along the third direction.

7. A desk and chair for multiple people according to claim 6, characterized in that: The second lifting assembly includes: A third lifting structure, wherein the third lifting structure is arranged in the third stand, and the third lifting structure comprises: a third sleeve (22), a third lead screw (23) and a third gear box (24); the third sleeve (22) is fixedly connected to the third fixed rod (18); one end of the third lead screw (23) is arranged in the third sleeve (22), and the third lead screw (23) is threadedly connected to the third sleeve (22); one end of the third lead screw (23) away from the third sleeve (22) is connected to the third gear box (24); the third gear box (24) is fixedly connected to the third movable rod (19); the third lead screw (23) can reciprocate along the third direction in the third sleeve (22); A fourth lifting structure, wherein the fourth lifting structure is arranged in the fourth stand, and the fourth lifting structure comprises: a fourth sleeve (25), a fourth lead screw (26) and a fourth gear box (27), wherein the fourth sleeve (25) is fixedly connected to the fourth fixed rod (20), one end of the fourth lead screw (26) is arranged in the fourth sleeve (25), and the fourth lead screw (26) is threadedly connected to the fourth sleeve (25), and one end of the fourth lead screw (26) away from the fourth sleeve (25) is connected to the fourth gear box (27), and the fourth gear box (27) is fixedly connected to the fourth movable rod (21); the fourth lead screw (26) can reciprocate along the third direction in the fourth sleeve (25); a second rotating shaft (28), the second rotating shaft (28) being arranged between the third movable rod (19) and the fourth movable rod (21), one end of the second rotating shaft (28) being arranged in the third gear box (24), and the other end of the second rotating shaft (28) being arranged in the fourth gear box (27); A second lifting handle (29), one end of which extends into the third gear box (24) and is connected to the second rotating shaft (28).

8. The desk and chair for multiple people according to claim 6, characterized in that: The tabletop structure comprises: a tabletop (34) and a table pocket (35); the tabletop (34) is arranged on the top of the third movable rod (19) and the fourth movable rod; the table pocket (35) is arranged below the tabletop (34) and between the third movable rod (19) and the fourth movable rod (21); and the second connecting rod (31) is fixedly connected to the bottom of the table pocket (35).

9. The desk and chair for multiple people according to claim 6, characterized in that: A hook (36) is provided on each side of the third movable rod (19) and the fourth movable rod (21) that are away from each other.

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