MBA office chair

Abstract

The utility model discloses an MBA office chair which comprises a seat plate, a chair seat and a chair seat, the chair back is connected to the upper part of the seat plate, and a groove is formed in the chair back; the driving assembly is arranged in the chair back; one side of the waist rest is connected with the driving assembly, and the waist rest is detachably connected with a cover plate; the massage roller is connected to the interior of the waist rest; and the lifting assembly is connected below the seat plate. According to the MBA office chair, the driving motor is controlled to work to drive the lead screw to rotate, the lead screw can drive the transmission block to ascend and descend, then the waist rest is driven to ascend and descend, the height of the waist rest is conveniently adjusted, the MBA office chair is suitable for workers of different heights, and supporting and comfort of the waist are guaranteed; when the driving motor drives the waist rest and the massage roller in the waist rest to reciprocate in the length direction of the lead screw, the back of a user can be massaged through the massage roller in the waist rest, and fatigue of the user is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of office chairs, in particular to an MBA office chair. Background Art

[0002] Business administration refers to the discipline and occupational field of business and management research and practice. In university education, business administration usually refers to the relevant majors offered by business schools, which aims to train students to become talents with business management knowledge and skills, and to be able to take up management and leadership positions in enterprises, organizations or institutions. Business administration office chairs will use comfortable materials and ergonomic design to ensure comfort when sitting on office chairs for a long time.

[0003] At present, in order to enhance the comfort of office chairs, a raised lumbar support is usually provided on the chair back to reduce the discomfort caused by long-term sitting. However, the position of the lumbar support is mostly fixed, which is difficult to adapt to workers of different heights and cannot guarantee the support and comfort of the waist. Utility Model Content

[0004] The utility model aims to solve the shortcomings existing in the prior art, and comprises: a seat plate; a chair back, the chair back is connected to the top of the seat plate, and a groove is provided on the chair back; a driving assembly, the driving assembly is arranged inside the chair back; a lumbar support, one side of the lumbar support is connected to the driving assembly, and a cover plate is detachably connected to the lumbar support; a massage roller, the massage roller is connected to the inside of the lumbar support; a lifting assembly, the lifting assembly is connected below the seat plate; the driving assembly comprises a driving motor, the driving motor is connected to one end of a screw rod, the other end of the screw rod is connected to the chair back through a bearing seat, a transmission block is threadedly connected to the screw rod, and the transmission block is connected to one side of the lumbar support.

[0005] As a further description of the above technical solution: an armrest assembly is arranged on the seat plate, a battery box is arranged below the seat plate, a control panel is arranged on the armrest assembly, a bracket is arranged below the lifting assembly, and a universal wheel is arranged below the bracket.

[0006] As a further description of the above technical solution: a slide groove is provided on the seat plate, a sponge cushion is arranged on the seat plate, and a slide plate adapted to the slide groove is arranged under the sponge cushion.

[0007] As a further description of the above technical solution: the massage roller is rotatably connected to the inside of the lumbar support through a bearing seat.

[0008] As a further description of the above technical solution: the lifting assembly includes a gas pressure rod, the upper part of the gas pressure rod is connected to the seat plate, and a control rod is arranged on the gas pressure rod.

[0009] As a further description of the above technical solution: the armrest assembly includes a connecting plate, an adjustment slot is opened inside the connecting plate, an adjustment rod is arranged inside the adjustment slot, the upper part of the adjustment rod is connected to the handle, and the adjustment rod is detachably connected to the connecting plate through a threaded fixing rod.

[0010] As a further description of the above technical solution: a plurality of threaded holes are provided at equal intervals on the adjusting rod, and the threaded holes are matched with the threaded fixing rod.

[0011] As a further description of the above technical solution: a reinforcement frame is provided at the back of the chair back.

[0012] The above technical solution has the following advantages or beneficial effects:

[0013] The utility model can drive the screw rod to rotate by controlling the operation of the driving motor, and the screw rod will drive the transmission block to rise and fall, and then drive the lumbar support to rise and fall, so as to facilitate the adjustment of the height of the lumbar support and be suitable for workers of different heights, thereby ensuring the support and comfort of the waist. When the driving motor drives the lumbar support and the massage roller inside it to reciprocate along the length direction of the screw rod, the massage roller inside the lumbar support can massage the user's back to relieve the user's fatigue. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an office chair in one embodiment of the utility model;

[0015] Figure 2 It is a side view of an office chair in one embodiment of the utility model;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the drive assembly in the office chair;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the massage roller in the office chair

[0018] Figure 5 for Figure 1 Schematic diagram of the structure of the sponge cushion in an office chair;

[0019] Figure 6 for Figure 1 Schematic diagram of the structure of the armrest assembly in an office chair.

[0020] Legend:

[0021] 1. Seat plate; 2. Chair back; 3. Groove; 4. Drive assembly; 5. Lumbar support; 6. Cover plate; 7. Massage roller; 8. Lifting assembly; 9. Armrest assembly; 10. Battery box; 11. Control panel; 12. Bracket; 13. Universal wheel; 14. Slide; 15. Sponge cushion; 16. Slide plate; 17. Reinforcement frame; 41. Drive motor; 42. Screw rod; 43. Transmission block; 81. Gas rod; 82. Control rod; 91. Connecting plate; 92. Adjustment slot; 93. Adjustment rod; 94. Handle; 95. Threaded fixing rod; 96. Threaded hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "set", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1-6As shown, an MBA office chair of the utility model comprises: a seat plate 1; a chair back 2, which is connected to the top of the seat plate 1 and is provided with a groove 3; a driving assembly 4, which is arranged inside the chair back 2; a lumbar support 5, one side of the lumbar support 5 is connected to the driving assembly 4, and a cover plate 6 is detachably connected to the lumbar support 5; a massage roller 7, which is connected to the inside of the lumbar support 5; a lifting assembly 8, which is connected to the bottom of the seat plate 1; the driving assembly 4 comprises a driving motor 41, which is connected to one end of a screw rod 42, and the other end of the screw rod 42 is connected to the chair back 2 through a bearing seat, a transmission block 43 is threadedly connected to the screw rod 42, and the transmission block 43 is connected to one side of the lumbar support 5, an armrest assembly 9 is arranged on the seat plate 1, a battery box 10 is arranged below the seat plate 1, a control panel 11 is arranged on the armrest assembly 9, a bracket 12 is arranged below the lifting assembly 8, a universal wheel 13 is arranged below the bracket 12, and the massage roller 7 is rotatably connected to the inside of the lumbar support 5 through the bearing seat.

[0026] In this embodiment, the control panel 11 controls the driving motor 41 to rotate the screw rod 42, which drives the transmission block 43 to rise and fall, thereby driving the lumbar support 5 to rise and fall, making it convenient to adjust the height of the lumbar support 5, which is suitable for workers of different heights and ensures the support and comfort of the waist.

[0027] Among them, by removing the cover plate 6, the driving motor 41 drives the lumbar support 5 and the massage roller 7 inside it to reciprocate along the length direction of the screw rod 42. The massage roller 7 inside the lumbar support 5 can massage the user's back to relieve the user's fatigue. When massage is not needed, the cover plate 6 can be installed on the lumbar support 5.

[0028] like Figure 1 and Figure 5 As shown, specifically, a slide groove 14 is opened on the seat plate 1, a sponge cushion 15 is arranged on the seat plate 1, and a slide plate 16 adapted to the slide groove 14 is arranged under the sponge cushion 15; the slide plate 16 is slidably connected with the slide groove 14 opened on the seat plate 1, and the sponge cushion 15 is pulled, so that the sponge cushion 15 can be conveniently installed and disassembled on the seat plate 1 through the slide plate 16, and the sponge cushion 15 is convenient to clean and replace.

[0029] like Figure 1 and Figure 2 As shown, specifically, the lifting assembly 8 includes a gas pressure rod 81, the upper part of the gas pressure rod 81 is connected to the seat plate 1, and a control rod 82 is provided on the gas pressure rod 81; by pressing the control rod 82, the gas pressure rod 81 can be controlled to work, driving the seat plate 1 to rise and fall, thereby enhancing the practicality of the office chair.

[0030] like Figure 2 and Figure 6As shown, specifically, the armrest assembly 9 includes a connecting plate 91, an adjusting slot 92 is provided inside the connecting plate 91, an adjusting rod 93 is provided inside the adjusting slot 92, the upper part of the adjusting rod 93 is connected to the handle 94, the adjusting rod 93 is detachably connected to the connecting plate 91 through a threaded fixing rod 95, a plurality of threaded holes 96 are provided at equal intervals on the adjusting rod 93, and the threaded holes 96 are adapted to the threaded fixing rod 95. By removing the threaded fixing rod 95, it is convenient to adjust the depth of the adjusting rod 93 in the adjusting slot 92, and the height of the handle 94 can be adjusted. After the adjustment is completed, the threaded fixing rod 95 is screwed into the corresponding threaded hole 96 for fixing, so that the height of the handle 94 can be adjusted, which can meet the user's usage habits and enhance the applicability of the office chair.

[0031] like Figure 1 and Figure 2 As shown, specifically, a reinforcing frame 17 is disposed on the back of the chair back 2 ; the reinforcing frame 17 disposed on the back of the chair back 2 can increase the stability of the chair back 2 .

[0032] Working principle: the drive motor 41 is controlled by the control panel 11 to drive the screw rod 42 to rotate, and the screw rod 42 will drive the transmission block 43 to rise and fall, and then drive the lumbar support 5 to rise and fall, so as to facilitate the adjustment of the height of the lumbar support 5, which is suitable for workers of different heights and ensures the support and comfort of the waist. By removing the cover plate 6, the drive motor 41 drives the lumbar support 5 and the massage roller 7 inside it to reciprocate along the length direction of the screw rod 42, and the massage roller 7 inside the lumbar support 5 can massage the user's back to relieve the user's fatigue. When massage is not needed, the cover plate 6 can be installed on the lumbar support 5.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An MBA office chair, characterized in that: include: Seat plate (1); A chair back (2), the chair back (2) being connected to the upper part of the seat plate (1), and the chair back (2) being provided with a groove (3); A drive assembly (4), wherein the drive assembly (4) is arranged inside the chair back (2); A lumbar support (5), one side of which is connected to the driving assembly (4), and a cover plate (6) is detachably connected to the lumbar support (5); A massage roller (7), wherein the massage roller (7) is connected to the inside of the waist support (5); A lifting assembly (8), the lifting assembly (8) being connected below the seat plate (1); The driving assembly (4) comprises a driving motor (41), the driving motor (41) is connected to one end of a screw rod (42), the other end of the screw rod (42) is connected to the chair back (2) via a bearing seat, a transmission block (43) is threadedly connected to the screw rod (42), and the transmission block (43) is connected to one side of the lumbar support (5).

2. An MBA office chair according to claim 1, characterized in that: An armrest assembly (9) is arranged on the seat plate (1), a battery box (10) is arranged below the seat plate (1), a control panel (11) is arranged on the armrest assembly (9), a bracket (12) is arranged below the lifting assembly (8), and a universal wheel (13) is arranged below the bracket (12).

3. The MBA office chair according to claim 1, characterized in that: The seat plate (1) is provided with a slide groove (14), the seat plate (1) is provided with a sponge cushion (15), and a slide plate (16) adapted to the slide groove (14) is provided below the sponge cushion (15).

4. The MBA office chair according to claim 1, characterized in that: The massage roller (7) is rotatably connected to the inside of the waist support (5) via a bearing seat.

5. The MBA office chair according to claim 1, characterized in that: The lifting assembly (8) comprises a gas pressure rod (81), the upper part of the gas pressure rod (81) is connected to the seat plate (1), and a control rod (82) is arranged on the gas pressure rod (81).

6. The MBA office chair according to claim 2, characterized in that: The armrest assembly (9) comprises a connecting plate (91), an adjusting slot (92) is provided inside the connecting plate (91), an adjusting rod (93) is provided inside the adjusting slot (92), the upper part of the adjusting rod (93) is connected to a handle (94), and the adjusting rod (93) is detachably connected to the connecting plate (91) via a threaded fixing rod (95).

7. The MBA office chair according to claim 6, characterized in that: The adjusting rod (93) is provided with a plurality of threaded holes (96) at equal intervals, and the threaded holes (96) are adapted to the threaded fixing rod (95).

8. The MBA office chair according to claim 1, characterized in that: The back of the chair back (2) is provided with a reinforcement frame (17).

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