Desk and chair for noon break

Abstract

The utility model relates to the field of noon break desks and chairs, and particularly discloses a noon break desk and chair. The chair is positioned behind the table; the table comprises a table top; the first supporting legs are symmetrically arranged at the bottom of the table top; the tilting device is used for rotating the table top relative to the first supporting legs; the inclining device comprises a first connecting piece fixedly arranged on the first supporting leg and a second connecting piece fixedly arranged at the bottom of the table top. The first connecting piece and the second connecting piece are rotationally connected through a pin shaft, locking grooves are formed in the two ends of the first connecting piece, connecting rods are movably arranged in the locking grooves in a penetrating mode, notches are formed in the two ends of the second connecting piece, and the two ends of the connecting rods extend into the notches respectively. The desk and chair adjusting device has the effect of improving desk and chair adjustment.

Description

Technical Field

[0001] This application relates to the field of desks and chairs for lunch breaks, and in particular to desks and chairs for lunch breaks. Background Technology

[0002] School desks and chairs are the desks and chairs used by students in class. They are a type of desk and chair, also called student desks and chairs or school desks and chairs. School desks and chairs can be classified according to age, material, and function.

[0003] Currently, although people's quality of life is constantly improving, people have not relaxed their efforts in children's education. Students spend most of their time in classrooms, and while ordinary desks and chairs are suitable for classes, they often have to lie on them during lunch breaks, which can easily lead to poor rest and, over time, spinal deformities. Therefore, people are paying more and more attention to the comfort of desks and chairs used by students. Reclining chairs for convenient lunch breaks have begun to appear on the market. However, these types of desks and chairs take up a lot of classroom space, and some have complex structures that are inconvenient to adjust, and it is also not convenient to adjust the height of desks and chairs according to different students' heights. Therefore, there is an urgent need for a lunch break desk and chair that can solve the above problems. Utility Model Content

[0004] In order to improve the problem of adjusting desks and chairs, this application provides desks and chairs for lunch break.

[0005] The lunch break desks and chairs provided in this application adopt the following technical solution:

[0006] include:

[0007] table;

[0008] The chair is located behind the table;

[0009] The table includes:

[0010] desktop;

[0011] The first support leg is symmetrically positioned at the bottom of the tabletop;

[0012] A tilting device for rotating the tabletop relative to the first support leg;

[0013] The tilting device includes a first connector fixedly mounted on the first support leg and a second connector fixedly mounted on the bottom of the tabletop. The first connector and the second connector are rotatably connected by a pin. Both ends of the first connector are provided with locking grooves, and a connecting rod is movably inserted through the locking grooves. Both ends of the second connector are provided with slots, and both ends of the connecting rod extend into the slots.

[0014] This application utilizes a pin to allow the second connector to rotate relative to the first connector. The second connector then rotates the desktop, adjusting its angle to provide students with sufficient space to rest. The locking groove and connecting rod facilitate unlocking and securing the second connector during rotation, and also serve as a limiting mechanism.

[0015] In one possible implementation, the locking groove includes a connecting groove, a first stop groove and a second stop groove located at both ends of the connecting groove, and the connecting groove has an arc-shaped profile.

[0016] In one possible implementation, the first connector includes a first mounting portion fixedly disposed on the first support leg, a second mounting portion and a third mounting portion respectively fixedly disposed on both ends of the first mounting portion, and locking grooves respectively located on the second mounting portion and the third mounting portion.

[0017] In one possible implementation, the second connector includes a first connector fixed to the bottom of the desktop, a second connector and a third connector fixed to both ends of the first connector, a connecting plate slidably disposed on the first connector and located between the second connector and the third connector, and a fourth connector symmetrically fixed on the connecting plate; slots are located on the second connector and the third connector, and the fourth connector has a through hole for the connecting rod to pass through.

[0018] In one possible implementation, the groove has an elongated or elliptical profile.

[0019] In one possible implementation, the tilting device includes a first knob disposed between the pin and the connecting rod. The first knob is a torsion spring, with one end connected to the pin and the other end connected to the connecting rod.

[0020] In one possible implementation, a first lifting rod is provided on the first support leg, and a first connecting member is fixedly provided on the first lifting rod.

[0021] In one possible implementation, the chair includes:

[0022] Seat plate;

[0023] The second support leg is symmetrically located at the bottom of the seat plate;

[0024] The chair back is rotatably mounted on one end of the seat.

[0025] A rotating device, located between the seat and the backrest, is used to drive the backrest to rotate relative to the seat.

[0026] The headrest is rotatably mounted on the chair back;

[0027] The second support leg is equipped with a second lifting rod, one end of which is fixed to the seat plate.

[0028] In one possible implementation, the rotating device includes:

[0029] The first connecting sleeve is fixedly mounted on the base plate;

[0030] The second connecting sleeve is fixedly mounted on the chair back and rotates in conjunction with the first connecting sleeve.

[0031] A fixed shaft is fixedly mounted on the second connecting sleeve;

[0032] The elastic element is sleeved on the outer wall of the fixed shaft;

[0033] The limiting wheel is fixedly mounted on the elastic element, and the limiting wheel rotates on the fixed shaft;

[0034] The button is snapped into the first connecting sleeve;

[0035] The first connecting sleeve has a through groove, and the button has a push rod that passes through the through groove. One end of the push rod abuts against the limiting wheel. The limiting wheel has a limiting block. The first connecting sleeve has a first limiting groove, and the second connecting sleeve has a second limiting groove. When the push block applies pressure to the limiting wheel, the limiting block is completely located in the second limiting groove. Otherwise, the limiting block is located between the first limiting groove and the second limiting groove.

[0036] In one possible implementation, the chair also includes:

[0037] The footrest is connected to the seat plate via a sliding rod.

[0038] In summary, this application includes the following beneficial technical effects:

[0039] 1. Under the action of the pin, the second connecting piece rotates relative to the first connecting piece, causing the desktop to rotate as well, thereby adjusting the angle of the desktop to provide students with sufficient space to rest. The locking groove and connecting rod work together to facilitate unlocking and fixing of the second connecting piece during rotation, and also serve as a limit switch.

[0040] 2. When adjusting the backrest angle, first press the button. The push rod on the button abuts against the limit wheel, pushing the limit wheel to move and compressing the elastic element. At this time, the limit block moves from the first limit groove to the second limit groove, unlocking the second connecting sleeve. The second connecting sleeve can then rotate, causing the backrest to rotate, thus achieving angle adjustment. After the backrest angle is adjusted, release the button. Under the action of the elastic element, the limit block returns most of itself to the first limit groove, with only a small portion remaining in the second limit groove, thus locking the second limit groove and fixing the second connecting sleeve. During the rotation of the second connecting sleeve, the first rotating block rotates in the first angle groove, and the second rotating block rotates in the second angle groove. The first and second angle grooves limit the rotation of the first and second rotating blocks, thereby controlling the rotation angle of the second connecting sleeve. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0042] Figure 2 This is a structural schematic diagram as part of an embodiment, mainly showing the first connector and the second connector;

[0043] Figure 3 yes Figure 2 An enlarged schematic diagram of part A in the middle;

[0044] Figure 4 This is an exploded view of the rotating device in the embodiment, mainly showing the structure of the rotating device.

[0045] Figure 5 This is an exploded view of the rotating device in the embodiment, mainly showing the second structure of the rotating device;

[0046] Figure 6 This is a partial schematic diagram of the rotating device in the embodiment, mainly showing the first connecting sleeve;

[0047] Figure 7 This is a partial schematic diagram of the rotating device in the embodiment, mainly showing the second connecting sleeve;

[0048] Figure 8 This is a cross-sectional schematic diagram of the rotating device in the embodiment, mainly showing the limiting wheel and the push rod;

[0049] Figure 9 yes Figure 8 Enlarged diagram of part B.

[0050] Reference numerals: 1. Table; 2. Chair; 3. Tabletop; 4. First support leg; 5. First lifting rod; 6. First connector; 7. Second connector; 8. First knob; 9. Pin; 10. Locking groove; 11. Connecting rod; 12. Groove; 13. Connecting groove; 14. First stop groove; 15. Second stop groove; 16. First mounting part; 17. Second mounting part; 18. Third mounting part; 19. First connecting part; 20. Second connecting part; 21. Third connecting part; 22. Connecting plate; 23. Fourth connecting part; 24. Through hole; 25. Seat plate; 26. 27. Chair back; 28. Second support leg; 29. ​​Second lifting rod; 30. Headrest; 31. Footrest; 32. Slide rod; 33. Rotating device; 34. First connecting sleeve; 35. Second connecting sleeve; 36. Fixed shaft; 37. First support rod; 38. Second support rod; 39. Elastic element; 40. Limiting wheel; 41. Button; 42. Through groove; 43. Top rod; 44. Locking block; 45. Locking groove; 46. First angle groove; 47. First rotating block; 48. Second angle groove; 49. Second rotating block; 50. Limiting block; 51. First limiting groove; 52. Second limiting groove. Detailed Implementation

[0051] The following is in conjunction with the appendix Figure 1-9 This application will be described in further detail.

[0052] First, those skilled in the art should understand that these embodiments are merely used to explain the technical principles of the embodiments of this application and are not intended to limit the scope of protection of the embodiments of this application. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0053] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0054] In the embodiments of this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0055] Reference Figure 1-9 The lunch break desk and chair set includes a table 1 and a chair 2. The chair 2 is located behind the table 1. The table 1 includes a tabletop 3, first support legs 4, first lifting rods 5, and a tilting device. There are two first support legs 4, and two first lifting rods 5 are correspondingly arranged on the two first support legs 4, respectively. The tabletop 3 is located on the first lifting rods 5. The tilting device includes a first connector 6, a second connector 7, and a first knob 8. The first connector 6 is fixedly installed on the first lifting rod 5, and the second connector 7 is fixedly installed on the bottom of the tabletop 3. The connecting parts 7 are rotatably connected by a pin 9. Both ends of the first connecting part 6 have locking grooves 10, and a connecting rod 11 is movably inserted through the locking grooves 10. A first knob 8, which is a torsion spring, is located between the pin 9 and the connecting rod 11, with one end connected to the pin 9 and the other end connected to the connecting rod 11. Both ends of the second connecting part 7 have slots 12, and both ends of the connecting rod 11 extend into the slots 12. The projected area of ​​the second connecting part 7 coincides with the projected area of ​​the first connecting part 6, and both the pin 9 and the connecting rod 11 are within this projected area. Under the action of the pin 9, the second connecting part 7 rotates relative to the first connecting part 6, causing the desktop 3 to rotate as well, thereby adjusting the angle of the desktop 3 to provide students with sufficient space to rest. The locking grooves 10 and the connecting rod 11 facilitate unlocking and fixing of the second connecting part 7 during rotation, and also serve as a limit.

[0056] The locking groove 10 includes a connecting groove 13, a first stop groove 14, and a second stop groove 15; the first stop groove 14 and the second stop groove 15 are located at both ends of the connecting groove 13, and the outline of the connecting groove 13 is arc-shaped.

[0057] The first connector 6 includes a first mounting part 16, a second mounting part 17, and a third mounting part 18. The first mounting part 16 is fixedly mounted on the first support leg 4, and the second mounting part 17 and the third mounting part 18 are respectively fixedly mounted on both ends of the first mounting part 16. The locking grooves 10 are respectively located on the second mounting part 17 and the third mounting part 18.

[0058] The second connecting member 7 includes a first connecting part 19, a second connecting part 20, a third connecting part 21, a connecting plate 22, and a fourth connecting part 23. The first connecting part 19 is fixedly disposed on the bottom of the tabletop 3. The second connecting part 20 and the third connecting part 21 are respectively fixedly disposed on both ends of the first connecting part 19. The connecting plate 22 is slidably disposed on the first connecting part 19 and located between the second connecting part 20 and the third connecting part 21. The fourth connecting part 23 is symmetrically fixedly disposed on the connecting plate 22. The groove 12 has an elongated or elliptical outline and is located on the second connecting part 20 and the third connecting part 21 respectively. The fourth connecting part 23 has a through hole 24 for the connecting rod 11 to pass through. By pulling the connecting plate 22, the fourth connecting part 23 moves the connecting rod 11 from the first stop groove 14 to the connecting groove 13. Then, the tabletop 3 is rotated, causing the connecting rod 11 to move along the connecting groove 13 to the second stop groove 15, thereby fixing the tabletop 3.

[0059] The chair 2 includes a seat 25, a backrest 26, second support legs 27, second lifting rods 28, a headrest 29, a footrest 30, a sliding rod 31, and a rotating device 32. There are two second support legs 27, and two second lifting rods 28 are also provided corresponding to the second support legs 27, and are respectively provided on the two second support legs 27. The seat 25 is provided on the second lifting rods 28, and the backrest 26 is provided on the seat 25 through the rotating device 32, so that the backrest 26 can rotate relative to the seat 25. The headrest 29 is rotatably provided on the backrest 26, and the footrest 30 is connected to the seat 25 through the sliding rod 31.

[0060] The rotating device 32 includes a first connecting sleeve 33, a second connecting sleeve 34, a fixed shaft 35, a first support rod 36, a second support rod 37, an elastic element 38, a limiting wheel 39, and a button 40. The first connecting sleeve 33 is fixedly mounted on the seat plate 25, the second connecting sleeve 34 is fixedly mounted on the backrest 26 and rotates in cooperation with the first connecting sleeve 33, the fixed shaft 35 is fixedly mounted on the second connecting sleeve 34, one end of the first support rod 36 is rotatably mounted on the fixed shaft 35, and the other end is fixedly connected to the first connecting sleeve 33, the second support rod 37 is fixedly mounted on the fixed shaft 35 and rotates relative to the first support rod 36, the elastic element 38 is sleeved on the outer wall of the fixed shaft 35, the elastic element 38 is a spring, the limiting wheel 39 is fixedly mounted on the elastic element 38 and rotates on the fixed shaft 35, and the button 40 is snapped into the first connecting sleeve 33. The first connecting sleeve 33 has a through groove 41, and the button 40 has a push rod 42 that passes through the through groove 41. One end of the push rod 42 abuts against the limiting wheel 39. The push rod 42 has a locking block 43, and the side wall of the through groove 41 has a locking groove 44, into which the locking block 43 is engaged. The first connecting sleeve 33 has a first angle groove 45, and the second connecting sleeve 34 has a first rotating block 46 that is embedded in the first angle groove 45. The second connecting sleeve 34 has a second angle groove 46. 7. The first connecting sleeve 33 is provided with a second rotating block 48 embedded in the second angle groove 47. The contours of the first angle groove 45 and the second angle groove 47 are arc-shaped. The limiting wheel 39 is provided with a plurality of limiting blocks 49. The first connecting sleeve 33 is provided with a plurality of first limiting grooves 50, and the second connecting sleeve 34 is provided with a plurality of second limiting grooves 51. The depth of the second limiting grooves 51 is the same as the thickness of the limiting blocks 49, and the depth of the first limiting grooves 50 is less than the depth of the second limiting grooves 51. When the top block applies pressure to the limiting wheel 39, the limiting blocks 49 are completely located in the second limiting grooves 51; conversely, most of the limiting blocks 49 are located in the first limiting grooves 50, and a small part is located in the second limiting grooves 51, so that the limiting blocks 49 limit the second limiting grooves 51. When the angle of the chair back 26 needs to be adjusted, first press the button 40. The push rod 42 on the button 40 abuts against the limit wheel 39 and pushes the limit wheel 39 to move, compressing the elastic element 38. At this time, the limit block 49 moves from the first limit groove 50 to the second limit groove 51, thus unlocking the second connecting sleeve 34. The second connecting sleeve 34 can then rotate, driving the chair back 26 to rotate, thereby achieving angle adjustment. After the angle of the chair back 26 is adjusted, release the button 40. Under the action of the elastic element 38, the limit block 49 returns most of itself to the first limit groove 50, with only a small portion remaining in the second limit groove 51, thus locking the second limit groove 51 and fixing the second connecting sleeve 34.During the rotation of the second connecting sleeve 34, the first rotating block 46 rotates in the first angle groove 45, and the second rotating block 48 rotates in the second angle groove 47. Under the action of the first angle groove 45 and the second angle groove 47, the first rotating block 46 and the second rotating block 48 are limited, thereby controlling the rotation angle of the second connecting sleeve 34.

[0061] In the description of the embodiments of this application, it should be noted that the terms "inner" and "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.

[0062] In the description of this application, the references to terms such as "an embodiment," "some embodiments," "in this embodiment," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0063] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A lunch break desk and chair set, comprising: Table (1); Chair (2) is located behind the table (1); Its features are: The table (1) includes: Desktop (3); The first support leg (4) is symmetrically arranged at the bottom of the tabletop (3); A tilting device for rotating the tabletop (3) relative to the first support leg (4); The tilting device includes a first connector (6) fixedly mounted on the first support leg (4) and a second connector (7) fixedly mounted on the bottom of the tabletop (3); the first connector (6) and the second connector (7) are rotatably connected by a pin (9); both ends of the first connector (6) are provided with locking grooves (10), and a connecting rod (11) is movably inserted through the locking grooves (10); both ends of the second connector (7) are provided with slots (12), and both ends of the connecting rod (11) extend into the slots (12).

2. The desk and chair for lunch break according to claim 1, characterized in that: The locking groove (10) includes a connecting groove (13), a first stop groove (14) and a second stop groove (15) located at both ends of the connecting groove (13), and the outline of the connecting groove (13) is arc-shaped.

3. The desk and chair for lunch break according to claim 1, characterized in that: The first connector (6) includes a first mounting part (16) fixedly disposed on the first support leg (4), a second mounting part (17) and a third mounting part (18) respectively fixedly disposed on both ends of the first mounting part (16), and the locking groove (10) is located on the second mounting part (17) and the third mounting part (18) respectively.

4. The desk and chair for lunch break according to claim 1, characterized in that: The second connector (7) includes a first connector (19) fixedly disposed on the bottom of the desktop (3), a second connector (20) and a third connector (21) fixedly disposed on both ends of the first connector (19), a connecting plate (22) slidably disposed on the first connector (19) and located between the second connector (20) and the third connector (21), and a fourth connector (23) symmetrically fixed on the connecting plate (22); the slot (12) is located on the second connector (20) and the third connector (21) respectively, and the fourth connector (23) is provided with a through hole (24) for the connecting rod (11) to pass through.

5. The desk and chair for lunch break according to claim 4, characterized in that: The outline of the slot (12) is an elongated hole or an ellipse.

6. The desk and chair for lunch break according to claim 1, characterized in that: The tilting device includes a first knob (8) disposed between the pin (9) and the connecting rod (11). The first knob (8) is a torsion spring, with one end connected to the pin (9) and the other end connected to the connecting rod (11).

7. The desk and chair for lunch break according to claim 1, characterized in that: The first support leg (4) is provided with a first lifting rod (5), and the first connecting piece (6) is fixedly mounted on the first lifting rod (5).

8. The desk and chair for lunch break according to claim 1, characterized in that: The chair (2) includes: Seat plate (25); The second support leg (27) is symmetrically arranged at the bottom of the seat plate (25); The chair back (26) is rotatably mounted on one end of the seat plate (25); A rotating device (32) is provided between the seat plate (25) and the backrest (26) for driving the backrest (26) to rotate relative to the seat plate (25); A headrest (29) is rotatably mounted on the chair back (26); The second support leg (27) is provided with a second lifting rod (28), one end of which is fixed on the seat plate (25).

9. The desk and chair for lunch break according to claim 8, characterized in that: The rotating device (32) includes: The first connecting sleeve (33) is fixedly mounted on the base plate (25); The second connecting sleeve (34) is fixedly mounted on the chair back (26) and rotates in cooperation with the first connecting sleeve (33); A fixed shaft (35) is fixedly mounted on the second connecting sleeve (34); An elastic element (38) is sleeved on the outer wall of the fixed shaft (35); A limiting wheel (39) is fixedly mounted on the elastic member (38), and the limiting wheel (39) is rotatably mounted on the fixed shaft (35); Button (40) is snapped into the first connecting sleeve (33); The first connecting sleeve (33) has a through groove (41), and the button (40) has a push rod (42) that passes through the through groove (41). One end of the push rod (42) abuts against the limiting wheel (39). The limiting wheel (39) has a limiting block (49). The first connecting sleeve (33) has a first limiting groove (50), and the second connecting sleeve (34) has a second limiting groove (51). When the push block applies pressure to the limiting wheel (39), the limiting block (49) is completely located in the second limiting groove (51). Otherwise, the limiting block (49) is located between the first limiting groove (50) and the second limiting groove (51).

10. The desk and chair for lunch break according to claim 8, characterized in that: The chair (2) also includes: The footrest (30) is connected to the seat plate (25) via a slide rod (31).

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