Electric rotary table of seat

Abstract

The utility model relates to the technical field of office chair manufacturing, and discloses a seat electric turntable which comprises a chute plate, a driving assembly and a ball assembly, the sliding groove plate comprises a first plate piece and a second plate piece which are symmetrically arranged up and down, and the driving assembly is arranged between the adjacent faces of the first plate piece and the second plate piece. The utility model has the following advantages and effects: the cover plate is connected with the seat underframe, when the cover plate needs to rotate, the cover plate can rotate on the base through the column block, and meanwhile, the column block is provided with the synchronous teeth and the synchronous holes for driving, so that the seat framework can drive the column block to rotate through the synchronous structures; therefore, electric rotation of the cover plate is achieved, the seat supporting requirement is met, meanwhile, the cover plate can be matched with the electric rotation requirement, rotation convenience of the seat is improved in a smooth rotation mode, and the trend that the adjusting function of an office seat is continuously electric at present is met.

Description

Technical Field

[0001] The utility model relates to the technical field of office chair manufacturing, in particular to an electric turntable for a chair. Background Art

[0002] Office chairs are an indispensable part of the modern office environment. With the modern work pace, the time users spend using office chairs is gradually increasing. The design and manufacturing process of modern office chairs needs to fully consider the application of ergonomic principles and mechanical principles in order to provide users with a comfortable and healthy working environment.

[0003] Nowadays, office chairs are no longer just single seats, but more multifunctional. Some office chairs have been integrated with intelligent technology, and through sensors, smart chips and other technologies, real-time monitoring and adjustment of human posture can be achieved. Office chairs can automatically adjust the inclination of the seat, armrests and backrest according to the employee's body shape and habits to provide optimal human support and comfort.

[0004] Therefore, the electrification of office chair adjustment functions has become a trend. At present, many office chairs are still rotated by manual force. In order to realize the convenience of electric rotation of the seat, the inventor now proposes an electric turntable for the seat. Utility Model Content

[0005] The utility model aims to provide an electric seat turntable, which can smoothly drive the seat to rotate and meet the needs of electric seat rotation.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: an electric seat turntable, comprising a slide plate, a driving assembly and a ball assembly;

[0007] The slide plate includes a first plate member and a second plate member symmetrically arranged up and down, a driving assembly is arranged between adjacent surfaces of the first plate member and the second plate member, so as to drive the first plate member to rotate through the driving assembly, and the first plate member and the second plate member are rotationally matched through a ball assembly;

[0008] The driving assembly comprises an electric concentric driving member and a fixing assembly, and the electric concentric driving member is detachably fixed to the first plate member and the second plate member through the fixing assembly.

[0009] The utility model is further configured as follows: the electric concentric drive component includes a cover plate, a base, a synchronization component and an output component, the cover plate and the base are respectively connected to the first plate and the second plate through a fixing component, and the synchronization component is arranged between adjacent surfaces of the cover plate and the base.

[0010] By adopting the above technical solution, the cover plate can be connected to the rotating drive rod on the chair frame through the synchronization component.

[0011] The utility model is further configured as follows: the synchronization component includes a barrel, a column block and a synchronization tooth, the bottom end of the barrel is fixed on the base, the column block and the upper end are fixed to the cover plate, and the lower end of the column block is rotatably connected to the barrel, a synchronization tooth is coaxially fixed on the outer side of the column block, and a synchronization hole is coaxially opened on the upper surface of the synchronization tooth.

[0012] By adopting the above technical solution, the synchronous teeth and the synchronous holes are used to connect with the driving structure on the chair frame.

[0013] The utility model is further configured as follows: the electric concentric drive also includes an output assembly, the output assembly includes a drive wheel and a motor, the outer side of the drive wheel is meshed with the synchronous gear, the motor is fixedly connected to the base surface, and the motor output shaft is fixed to the drive wheel.

[0014] By adopting the above technical solution, during implementation, a power source can be set on the base or the second plate to power the motor, and then when the motor is powered on, it will drive the driving wheel.

[0015] The utility model is further configured as follows: the fixing assembly includes a locking nut and a fixing nut, the outer side of the locking nut is plugged into the cover plate, the base, the first plate and the second plate, and the outer end of the locking nut passes through the first plate and the second plate and is threadedly connected to the fixing nut.

[0016] By adopting the above technical solution, the first plate member and the second plate member are fixed to the cover plate and the base respectively by tightening the fixing nut.

[0017] The utility model is further configured as follows: a slide groove is integrally provided on the first plate and the second plate, the ball assembly includes a retaining frame, a loading groove and a ball, the retaining frame is provided with a loading groove, the ball is rolled in the loading groove, and the outer side of the ball is in rolling contact with the slide groove.

[0018] By adopting the above technical solution, when the first plate rotates, it can make rolling contact on the ball through the sliding groove.

[0019] The utility model is further configured as follows: a lubrication component is provided on the ball assembly.

[0020] By adopting the above technical solution, the rolling friction on the ball can be reduced and the rolling convenience of the ball can be improved.

[0021] The utility model is further configured as follows: a through opening is provided at the bottom end of the slide groove of the second plate member, and circular grooves are provided on the first plate member and the second plate member.

[0022] The utility model is further configured as follows: the lubrication assembly includes a cylinder, a conduit, an oil injection assembly and lubricating oil; an oil injection pipe is fixedly provided on the surface of the cylinder; the outer side of the cylinder is fixedly connected to the ring groove on the second plate; one end of the conduit is connected to the cylinder, and the other end is connected to the through port; the oil injection assembly is arranged in the cylinder, and the interior of the cylinder is filled with lubricating oil.

[0023] By adopting the above technical solution, the lubricating oil in the cylinder can be injected into the through port from the conduit under the drive of the oil injection assembly.

[0024] The utility model is further configured as follows: the annular groove on the first plate is provided with driving teeth in a circular array, the oil injection assembly includes a rotating rod, a driven gear and an auger, the outer side of the rotating rod is rotatably installed inside the cylinder, the bottom end of the driven gear is fixedly connected to the rotating rod, and the outer side of the driven gear is meshed with the driving teeth, and the upper end of the auger is fixedly connected to the rotating rod.

[0025] By adopting the above technical solution, the bottom end of the auger is adjacent to the oil inlet of the conduit, so that when the auger rotates, it can drive the lubricating oil to squeeze into the conduit faster, thereby improving the lubrication efficiency.

[0026] The beneficial effects of the utility model are:

[0027] By connecting the cover plate to the seat frame, when rotation is required, the cover plate can be rotated on the base through the column block. At the same time, the column block is provided with synchronous teeth and synchronous holes for driving, so that the seat frame can drive the column block to rotate through these synchronous structures, thereby realizing the electric rotation of the cover plate to meet the seat support needs, and at the same time can match the electric rotation needs, improve the convenience of seat rotation in a smooth rotation manner, and meet the current trend of continuous electrification of office chair adjustment functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the structure of an electric seat turntable provided in an embodiment of the utility model;

[0030] Figure 2 It is a schematic diagram of the structure of the electric turntable explosion in the embodiment of the utility model;

[0031] Figure 3 This is a schematic diagram of the structure of the electric concentric drive member in the embodiment of the utility model;

[0032] Figure 4 It is a schematic diagram of the structure of the lubrication component in the embodiment of the utility model.

[0033] In the figure, 1, slide plate; 2, drive assembly; 11, first plate; 12, second plate; 13, slide; 14, through port; 15, ring groove; 16, drive tooth; 3, ball assembly; 4, electric concentric drive; 5, fixing assembly; 31, retaining frame; 32, mounting groove; 33, ball; 41, cover plate; 42, base; 43, mounting cylinder; 44, column block; 45, synchronous tooth; 46, drive wheel; 47, motor; 51, anti-loosening nut; 52, fixing nut; 61, cylinder; 62, guide tube; 64, lubricating oil; 611, oil filling pipe; 621, sponge; 631, rotating rod; 632, driven gear; 633, auger. DETAILED DESCRIPTION

[0034] The technical solution of the utility model will be described clearly and completely below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of 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.

[0035] The utility model embodiment specifically provides a seat electric turntable, please refer to Figure 1 , including a slide plate 1, a driving component 2 and a ball component 3.

[0036] The slide plate 1 includes a first plate 11 and a second plate 12 symmetrically arranged in an upper and lower direction, and the driving assembly 2 is arranged between the adjacent surfaces of the first plate 11 and the second plate 12, so as to drive the first plate 11 to rotate through the driving assembly 2, and the first plate 11 and the second plate 12 are rotationally matched through the ball assembly 3, thereby improving the rotation convenience between the first plate 11 and the second plate 12;

[0037] For details, please refer to Figure 2 and Figure 3 The driving assembly 2 includes an electric concentric driving member 4 and a fixing assembly 5. The electric concentric driving member 4 is detachably fixed to the first plate member 11 and the second plate member 12 through the fixing assembly 5, so that the installation and disassembly operations of the first plate member 11 and the second plate member 12 become simple, which is conducive to assembly, use, inspection and maintenance.

[0038] For further information, please refer to Figure 3The electric concentric drive member 4 includes a cover plate 41, a base 42, and a synchronization component. The cover plate 41 and the base 42 are respectively connected to the first plate 11 and the second plate 12 through a fixing component 5. The synchronization component is arranged between adjacent surfaces of the cover plate 41 and the base 42. The cover plate 41 can be connected to the rotating drive rod on the chair frame through the synchronization component, so that the synchronous component is driven to rotate through the rotating drive rod of the chair frame, so that the cover plate 41 can rotate.

[0039] Specifically, the synchronization component includes a cylinder 43, a column block 44 and a synchronization tooth 45. The bottom end of the cylinder 43 is fixed on the base 42, the column block 44 and the upper end are fixed to the cover plate 41, and the lower end of the column block 44 is rotatably connected to the cylinder 43, so that the cover plate 41 can be stably rotated on the base 42 through the column block 44. During implementation, the top side of the cover plate 41 is used to be fixed with the seat frame bolts, so that the cover plate 41 can rotate synchronously with the rotation of the seat, and the synchronization tooth 45 is coaxially fixed on the outer side of the column block 44, and the synchronization hole 451 is coaxially opened on the upper surface of the synchronization tooth 45, so as to be connected to the driving structure on the seat frame through the synchronization tooth 45 and the synchronization hole 451, so that the seat frame driving structure drives the column block 44 and the cover plate 41 to rotate through the synchronization tooth 45 and the synchronization hole 451.

[0040] Among them, as another achievable implementation method of the electric concentric drive member 4 in the present technical solution, the electric concentric drive member 4 also includes an output component, which directly drives the coaxial block 44 to rotate through the output component, and the output component includes a driving wheel 46 and a motor 47. The outer side of the driving wheel 46 is meshed with the synchronous tooth 45, the motor 47 is fixedly connected to the surface of the base 42, and the output shaft of the motor 47 is fixed to the driving wheel 46. During implementation, a power supply can be set on the base 42 or the second plate 12 to power the motor 47, and then when the motor 47 is energized, it will drive the driving wheel.

[0041] Furthermore, the fixing assembly 5 includes a lock nut 51 and a fixing nut 52. The outer side of the lock nut 51 is plugged into the cover plate 41, the base 42, the first plate 11 and the second plate 12, so that the lock nut 51 can be passed through the cover plate 41, the base 42, the first plate 11 and the second plate 12. After the outer end of the lock nut 51 passes through the first plate 11 and the second plate 12, it is threadedly connected with the fixing nut 52, so that by tightening the fixing nut 52, the first plate 11 and the second plate 12 are respectively fixed to the cover plate 41 and the base 42. When disassembling, you only need to remove the fixing nut 52, thereby improving the convenience of operation.

[0042] When implementing, please refer to Figure 2The first plate 11 and the second plate 12 are integrally provided with a slide groove 13, and the ball assembly 3 includes a retaining frame 31, a mounting groove 32 and a ball 33. The retaining frame 31 is provided with a mounting groove 32, and the ball 33 is rollingly arranged in the mounting groove 32, and the outer side of the ball 33 is in rolling contact with the slide groove 13, so that when the first plate 11 rotates, it can roll in contact with the ball 33 through the slide groove 13, so as to improve the rotation convenience of the first plate 11 on the second plate 12.

[0043] For further information, please refer to Figure 4 A lubrication assembly is provided on the ball assembly 3 to reduce the rolling friction on the ball 33 and improve the rolling convenience of the ball 33.

[0044] Specifically, a through opening 14 is formed at the bottom end of the slide groove 13 of the second plate member 12 , and circular grooves 15 are formed on the first plate member 11 and the second plate member 12 .

[0045] Among them, the lubrication assembly includes a cylinder 61, a conduit 62, an oil filling assembly and lubricating oil 64. An oil filling pipe 611 is fixedly provided on the surface of the cylinder 61. A screw cap is threadedly installed on the oil filling pipe 611 to facilitate loading and unloading of the screw cap and replenishment of the lubricating medium. The outer side of the cylinder 61 is fixedly connected to the circular groove 15 on the second plate 12. One end of the conduit 62 is connected to the cylinder 61, and the other end is connected to the through port 14. The oil filling assembly is arranged in the cylinder 61, and the cylinder 61 is filled with lubricating oil 64, so that under the drive of the oil filling assembly, the lubricating oil 64 in the cylinder 61 can be injected from the conduit 62 into the through port 14, and the through port 14 is filled with a sponge 621, so that the lubricating oil 64 is immersed in the sponge 621, and the lubricating oil 64 is smeared and contacted with the surface of the ball 33, thereby improving the rolling convenience of the ball 33.

[0046] Among them, the circular groove 15 on the first plate 11 is provided with driving teeth 16 in a circular array, the driving teeth 16 are coaxially arranged with the circular groove 15, and the circular groove 15 is coaxially arranged with the column block 44. The oil injection assembly includes a rotating rod 631, a driven gear 632 and an auger 633. The outer side of the rotating rod 631 is rotatably installed inside the cylinder 61, the bottom end of the driven gear 632 is fixedly connected to the rotating rod 631, and the outer side of the driven gear 632 is meshed with the driving teeth 16, so that when the cover plate 41 rotates, the driven gear 632 can be driven to rotate through the driving teeth 16, thereby rotating the rotating rod 631, and the upper end of the auger 633 is fixedly connected to the rotating rod 631, and the bottom end of the auger 633 extends into the oil inlet of the conduit 62, so that when the auger 633 rotates, it can drive the lubricating oil 64 to be squeezed into the conduit 62 faster, thereby improving the lubrication efficiency.

[0047] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0048] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric seat turntable, characterized in that: It comprises a slide plate (1), a drive assembly (2) and a ball assembly (3); The slide plate (1) comprises a first plate member (11) and a second plate member (12) which are symmetrically arranged in an upper and lower direction. The driving component (2) is arranged between adjacent surfaces of the first plate member (11) and the second plate member (12) so as to drive the first plate member (11) to rotate through the driving component (2). The first plate member (11) and the second plate member (12) are rotationally matched through the ball assembly (3). The driving assembly (2) comprises an electric concentric driving member (4) and a fixing assembly (5), and the electric concentric driving member (4) is detachably fixed to the first plate member (11) and the second plate member (12) via the fixing assembly (5).

2. The electric seat turntable according to claim 1, characterized in that: The electric concentric drive member (4) comprises a cover plate (41), a base (42), a synchronization component and an output component. The cover plate (41) and the base (42) are respectively connected to the first plate member (11) and the second plate member (12) via a fixing component (5). The synchronization component is arranged between adjacent surfaces of the cover plate (41) and the base (42).

3. The electric seat turntable according to claim 2, characterized in that: The synchronization component comprises a barrel (43), a column block (44) and a synchronization tooth (45); the bottom end of the barrel (43) is fixed on the base (42); the column block (44) and the upper end are fixed to the cover plate (41); the lower end of the column block (44) is rotatably connected to the barrel (43); the synchronization tooth (45) is coaxially fixed on the outer side of the column block (44); and the upper surface of the synchronization tooth (45) is coaxially opened with a synchronization hole (451).

4. The electric seat turntable according to claim 3, characterized in that: The electric concentric drive member (4) further comprises an output assembly, which comprises a driving wheel (46) and a motor (47), wherein the outer side of the driving wheel (46) is meshed with the synchronous gear (45), the motor (47) is fixedly connected to the surface of the base (42), and the output shaft of the motor (47) is fixed to the driving wheel (46).

5. The electric seat turntable according to claim 4, characterized in that: The fixing assembly (5) comprises a locking nut (51) and a fixing nut (52); the outer side of the locking nut (51) is plugged into the cover plate (41), the base (42), the first plate (11) and the second plate (12); and the outer end of the locking nut (51) passes through the first plate (11) and the second plate (12) and is threadedly connected to the fixing nut (52).

6. The electric seat turntable according to claim 5, characterized in that: The first plate (11) and the second plate (12) are integrally provided with a slide groove (13), and the ball assembly (3) comprises a retaining frame (31), a mounting groove (32) and a ball (33). The retaining frame (31) is provided with a mounting groove (32), and the ball (33) is rollingly arranged in the mounting groove (32), and the outer side of the ball (33) is in rolling contact with the slide groove (13).

7. The electric seat turntable according to claim 6, characterized in that: The ball assembly (3) is provided with a lubrication assembly.

8. The electric seat turntable according to claim 7, characterized in that: A through opening (14) is provided at the bottom end of the slide groove (13) of the second plate member (12), and circular grooves (15) are provided on the first plate member (11) and the second plate member (12).

9. The electric seat turntable according to claim 8, characterized in that: The lubrication assembly comprises a cylinder (61), a conduit (62), an oil injection assembly and lubricating oil (64); an oil injection pipe (611) is fixedly provided on the surface of the cylinder (61); the outer side of the cylinder (61) is fixedly connected to the circular groove (15) on the second plate (12); one end of the conduit (62) is connected to the cylinder (61) and the other end is connected to the through port (14); the oil injection assembly is arranged in the cylinder (61), and the cylinder (61) is filled with lubricating oil (64).

10. The electric seat turntable according to claim 9, characterized in that: The circular groove (15) on the first plate (11) is provided with driving teeth (16) in a circular array. The oil injection assembly comprises a rotating rod (631), a driven gear (632) and an auger (633). The outer side of the rotating rod (631) is rotatably mounted inside the cylinder (61). The bottom end of the driven gear (632) is fixedly connected to the rotating rod (631), and the outer side of the driven gear (632) is meshed with the driving teeth (16). The upper end of the auger (633) is fixedly connected to the rotating rod (631).

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