Multifunctional noon break chair

Abstract

The utility model relates to the field of noon break chairs, and particularly discloses a multifunctional noon break chair which comprises a seat plate. The chair back is rotationally arranged on the seat plate; the table legs are symmetrically arranged at the lower end of the seat plate; a back cushion; a groove is formed in the face, facing the human body, of the chair back, a connecting piece is rotationally installed in the groove, and one end of the connecting piece is rotationally connected to the back cushion through a pin shaft. When the connecting piece rotates, the back cushion has a first state corresponding to the head of the human body and a second state corresponding to the waist of the human body. The back cushion has the effect of improving the height adjustment of the back cushion.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of lunch break chairs, in particular to a multifunctional lunch break chair. BACKGROUND

[0002] Student desks and chairs are essential tools for students in class. However, the student desks and chairs commonly used at present still have many defects. Students generally sit on the chair for a long time, and the waist will be sore at this time. At this time, a backrest is placed on the chair to pad the waist. The backrest placed on the traditional desk and chair cannot be adjusted in height, so that the backrest may not be able to fit the waist of the person sitting on the chair, and the backrest and the desk and chair are separate components, which can easily lead to the backrest being lost. CONTENT OF THE INVENTION

[0003] In order to improve the height adjustment problem of the backrest, the present application provides a multifunctional lunch break chair.

[0004] The multifunctional lunch break chair provided by the present application adopts the following technical scheme: comprising:

[0005] a seat plate;

[0006] a chair back rotatably arranged on the seat plate;

[0007] a desk leg symmetrically arranged at the lower end of the seat plate;

[0008] a backrest;

[0009] One side of the chair back facing the human body is provided with a groove, and a connecting piece is rotatably arranged in the groove. One end of the connecting piece is rotatably connected to the backrest through a pin shaft. During rotation of the connecting piece, the backrest has a first state corresponding to the head of the human body and a second state corresponding to the waist of the human body.

[0010] Through the action of the connecting piece, the backrest is rotated, so that the backrest changes from a headrest to a waistrest, so that the backrest has two practical methods, thereby improving the practicability of the desk and chair and reducing the cost of the desk and chair.

[0011] In one possible implementation, the connecting piece is a telescopic piece, which is composed of a first telescopic part and a second telescopic part. One end of the first telescopic part is rotatably connected to the groove through a pin shaft, and the second telescopic part is located in the first telescopic part and slides relative to the first telescopic part.

[0012] In one possible implementation, a locking piece is sleeved on the second telescopic part, the locking piece is located in the first telescopic part, and a plurality of first clamping grooves matched with the locking piece are formed on the second telescopic part.

[0013] In one possible implementation, the first telescopic part is provided with a first limiting part and a second limiting part for limiting the locking piece.

[0014] In a possible implementation, the locking member comprises:

[0015] a first sliding piece sleeved on the outer end of the second telescopic part;

[0016] a second sliding piece sleeved on the outer end of the second telescopic part and connected with the first sliding piece, the second sliding piece being provided with a receiving groove;

[0017] a clamping ball installed in the receiving groove and partially extending out of the receiving groove to be clamped with the first clamping groove;

[0018] a spring having one end connected to the inner wall of the receiving groove and the other end connected to the clamping ball.

[0019] In a possible implementation, the second sliding piece is provided with a second clamping groove, and the first sliding piece is provided with a clamping part inserted into the second clamping groove.

[0020] In a possible implementation, the table leg is connected to the seat plate through a lifting rod.

[0021] In a possible implementation, the multifunctional lunch break chair further comprises:

[0022] a foot support provided at the bottom of the seat plate through a sliding rod.

[0023] In a possible implementation, the foot support is provided with a recess for conveniently placing a human foot.

[0024] In a possible implementation, the lower end of the table leg is provided with a friction pad.

[0025] In summary, the present application has at least one of the following beneficial technical effects:

[0026] Through the action of the connecting member, the backrest is rotated, so that the backrest changes from a headrest to a waist rest, thereby making the backrest have two practical methods, and further improving the practicability of the desk and chair and reducing the cost of the desk and chair. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the overall structure of the embodiment of the present application, mainly showing that the backrest is a headrest;

[0028] Figure 2 is a schematic view of the overall structure of the embodiment of the present application, mainly showing that the backrest is a waist rest;

[0029] Figure 3 is a schematic view of a part of the embodiment, mainly showing the connecting member;

[0030] Figure 4 is a schematic view of a part of the embodiment, mainly showing the second telescopic part;

[0031] Figure 5 This is a structural schematic diagram of a part of the embodiment, mainly showing the locking component;

[0032] Figure 6 This is a structural schematic diagram of a part of the embodiment, mainly showing the support rod and the pivot;

[0033] Figure 7 yes Figure 6 An enlarged schematic diagram of part A in the middle.

[0034] Reference numerals: 1. Seat plate; 2. Backrest; 3. Table leg; 4. Backrest; 5. Footrest; 6. Slide rod; 7. Lifting rod; 8. Friction pad; 9. Groove; 10. Slot; 11. Connecting piece; 12. First telescopic part; 13. Second telescopic part; 14. Locking piece; 15. First slot; 16. First sliding piece; 17. Second sliding piece; 18. Ball bearing; 19. Spring; 20. Receiving groove; 21. First limiting part; 22. Second limiting part; 23. Second slot; 24. Snap-fit ​​part; 25. Support rod; 26. Rotating shaft; 27. Stop piece; 28. Limiting hole; 29. ​​Fixing frame; 30. Connecting plate; 31. First pin; 32. Second pin; 33. Elastic element. Detailed Implementation

[0035] The following is in conjunction with the appendix Figures 1-5 This application will be described in further detail.

[0036] 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.

[0037] 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.

[0038] In the embodiments of the present application, unless specifically defined and limited otherwise, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "over", "above" and "on top of" the second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "underneath" the second feature can mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in horizontal height than the second feature.

[0039] Referring to Figures 1-5 : Multifunctional lunch chair, including seat plate 1, backrest 2, table leg 3, back pillow 4, foot support 5, slide bar 6, lifting rod 7; The backrest 2 is rotatably arranged on the seat plate 1, the table leg 3 is symmetrically arranged at the lower end of the seat plate 1, and the table leg 3 is connected to the seat plate 1 through the lifting rod 7, so as to facilitate the lifting adjustment of the seat plate 1, and the lower end of the table leg 3 is provided with a friction pad 8. The foot support 5 is arranged at the bottom of the seat plate 1 through the slide bar 6, so that when a person rests, the foot support 5 is supported out, and the feet are placed thereon, which is convenient for better rest. The foot support 5 is provided with a groove 9 for placing the human foot. Among them, the backrest 2 is symmetrically provided with a groove body 10 in the direction of the human body sitting down, a connecting piece 11 is rotatably installed in the groove body 10, one end of the connecting piece 11 is rotatably connected to the back pillow 4 through a pin shaft, and the connecting piece 11 takes the connecting position between the connecting piece 11 and the groove body 10 as the rotation shaft core, so that the back pillow 4 is rotated from one end of the backrest 2 to the backrest 2 close to one end of the seat plate 1; During the rotation of the connecting piece 11, the back pillow 4 has a first state corresponding to the human head and a second state corresponding to the human waist. Thus, the back pillow 4 is rotated by the action of the connecting piece 11, so that the back pillow 4 changes from a headrest to a waist pillow, so that the back pillow 4 has two practical methods, thereby improving the practicability of the desk and chair, and reducing the cost of the desk and chair.

[0040] The connecting piece 11 is a telescopic piece. The telescopic piece is composed of a first telescopic part 12 and a second telescopic part 13, one end of the first telescopic part 12 is rotatably connected in the groove body 10 through a pin shaft, and the second telescopic part 13 is located in the first telescopic part 12 and slides relative to the first telescopic part 12.

[0041] The second telescopic part 13 is sleeved with a locking piece 14, the locking piece 14 is located in the first telescopic part 12, and a plurality of first clamping grooves 15 matched with the locking piece 14 are formed in the second telescopic part 13.

[0042] The first telescopic part 12 is provided with a first limiting part 21 and a second limiting part 22 for limiting the locking piece 14.

[0043] The second telescopic part 17 is provided with a second clamping groove 23, and the first telescopic part 16 is provided with a clamping part 24 inserted into the second clamping groove 23.

[0044] The back of the chair back 2 is provided with a supporting rod 25, one end of the supporting rod 25 is fixedly provided with a rotating shaft 26, the rotating shaft 26 is fixedly provided with a blocking piece 27, the blocking piece 27 is provided with at least two limiting holes 28, and the seat plate 1 and the lifting rod 7 are provided with a fixing frame 29, the fixing frame 29 is fixedly provided with a connecting plate 30, and the rotating shaft 26 is rotatably arranged on the connecting plate 30; the fixing frame 29 is provided with a first bolt 31, one end of the first bolt 31 is inserted into the limiting hole 28 through the connecting plate 30, the other end of the first bolt 31 is threadedly connected with a second bolt 32, one end of the second bolt 32 extends out of the fixing frame 29, and the first bolt 31 and the second bolt 32 are provided with an elastic piece 33, preferably a spring.

[0045] In the description of the embodiments of the present application, it should be noted that the terms of direction or position relationship such as "inner", "outer" and the like indicated in the description of the present application are based on the direction or position relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0046] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "in this embodiment", "specific example" or "some examples" and the like means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in the specification and the features of the different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0047] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multifunctional lunch chair, comprising: a seat plate (1); a chair back (2) rotatably arranged on the seat plate (1); a table leg (3) arranged at the lower end of the seat plate (1); a backrest (4); characterized in that: a groove (10) is formed on the side of the chair back (2) facing the human body, a connecting piece (11) is rotatably arranged in the groove (10), and one end of the connecting piece (11) is rotatably connected to the backrest (4) through a pin shaft; during the rotation of the connecting piece (11), the backrest (4) has a first state corresponding to the head of the human body and a second state corresponding to the waist of the human body.

2. The multifunctional lunch chair according to claim 1, characterized in that: the connecting piece (11) is a telescopic piece, the telescopic piece is composed of a first telescopic part (12) and a second telescopic part (13), one end of the first telescopic part (12) is rotatably connected to the groove (10), and the second telescopic part (13) is located in the first telescopic part (12) and slides relative to the first telescopic part (12).

3. The multifunctional lunch chair according to claim 2, characterized in that: a locking piece (14) is sleeved on the second telescopic part (13), the locking piece (14) is located in the first telescopic part (12), and a plurality of first clamping grooves (15) are formed on the second telescopic part (13) and matched with the locking piece (14).

4. The multifunctional lunch chair according to claim 3, characterized in that: the first telescopic part (12) is provided with a first limiting part (21) and a second limiting part (22) for limiting the locking piece (14).

5. The multifunctional lunch chair according to claim 4, characterized in that: the locking piece (14) comprises: a first sliding sheet (16) sleeved on the outer end of the second telescopic part (13); a second sliding sheet (17) sleeved on the outer end of the second telescopic part (13) and clamped with the first sliding sheet (16), a containing groove (20) is formed on the second sliding sheet (17); a clamping ball (18) is arranged in the containing groove (20) and partially extends out of the containing groove (20) to be clamped with the first clamping groove (15); a spring (19) is connected to the inner wall of the containing groove (20) at one end and connected to the clamping ball (18) at the other end.

6. The multifunctional lunch chair according to claim 5, characterized in that: a second clamping groove (23) is formed on the second sliding sheet (17), and a clamping part (24) is arranged in the second clamping groove (23).

7. The multifunctional lunch chair according to claim 1, characterized in that: the table leg (3) is connected to the seat plate (1) through a lifting rod (7).

8. The multifunctional lunch chair according to claim 1, characterized in that: the multifunctional lunch chair further comprises: a foot support (5) arranged at the bottom of the seat plate (1) through a sliding rod (6).

9. The multifunctional lunch chair according to claim 8, characterized in that: the foot support (5) is provided with a groove (9) for placing the feet of the human body.

10. The multifunctional lunch chair according to claim 1, characterized in that: A supporting rod (25) is arranged on the chair back (2), one end of the supporting rod (25) is provided with a rotating shaft (26), the rotating shaft (26) is fixedly provided with a blocking piece (27), a plurality of limiting holes (28) are formed in the blocking piece (27); a fixing frame (29) is arranged on the seat plate (1), the fixing frame (29) is fixedly provided with a connecting plate (30), the rotating shaft (26) is rotatably arranged on the connecting plate (30); a first bolt (31) is movably arranged through the fixing frame (29), one end of the first bolt (31) penetrates through the connecting plate (30) and is inserted into the limiting hole (28), the other end of the first bolt (31) is threadedly connected with a second bolt (32), one end of the second bolt (32) extends out of the fixing frame (29), and an elastic element (33) is arranged between the first bolt (31) and the second bolt (32).

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