CN114732210A - Table plate rotating device - Google Patents

Abstract

The invention discloses a table board rotating device, which comprises a first outer ring body (101), a second outer ring body (102) and an inner ring body; the table board rotating device disclosed by the invention is good in usability, ingenious in structure, smooth and difficult to clamp, capable of realizing intelligent voice-controlled driving rotation, convenient for hotels, restaurants and home dinning, and capable of bringing better operation experience for diners and service staff.

Description

Table plate rotating device

Technical Field

The invention relates to the field of intelligent home or intelligent catering equipment, in particular to a table plate rotating device.

Background

Hotel, dining room or the dining table of using at home, when the dining table area is great, be convenient for the user to acquire all dishes on the dining table, set up a revolving stage usually on the dining table, will keep away from near the dish of distance changes the user through rotating the revolving stage. The prior art is used for the revolving stage of the dining table, is formed by revolving stage plate and rotary ring placed between surface of dining table and bottom of revolving stage plate; this kind of rotatory ring among the prior art includes an interior ring sum outer ring body, and interior ring sum outer ring body joint mutually realizes rotating each other between ring sum outer ring body through sliding each other, and rotatory smooth and easy degree is relatively poor, and when the revolving stage board that its top was placed was heavier, often can cause to rotate the in-process card and pause, and use experience is relatively poor.

Disclosure of Invention

The invention aims to provide a table board rotating device.

The invention provides a table board rotating device, which comprises a first outer ring body (101), a second outer ring body (102) and an inner ring body; the inner diameter of the first outer ring body (101), the inner diameter of the second outer ring body (102) and the outer diameter of the inner ring body are all equal; the first outer ring body (101) is coaxially clamped at the position, close to the top, outside the inner ring body; the second outer ring body (102) is coaxially clamped at the position, close to the bottom, outside the inner ring body; a first annular groove (301) and a second annular groove (302) are formed in the outer side wall of the inner ring body; a third annular groove (303) is formed in the inner side wall of the first outer ring body (101); a fourth annular groove (304) is formed in the inner side wall of the second outer ring body (102); the first annular groove (301), the second annular groove (302), the third annular groove (303) and the fourth annular groove (304) are all semicircular, so that a first annular channel is enclosed by the first annular groove (301) and the third annular groove (303) between the inner ring body and the first outer ring body (101); the second annular groove (302) and the fourth annular groove (304) enclose a second annular channel between the inner ring body and the second outer ring body (102); a plurality of balls (not shown) with smooth outer surfaces are arranged in the first annular channel and the second annular channel.

The table board rotating device provided by the invention also comprises a rotating driving device; the inner side of the inner ring body is provided with an annular rack (400); the rotary drive device is meshed with the annular rack (400). The rotary driving device comprises a driving motor (501), a power supply module, a first transmission mechanism and a second transmission mechanism; the driving motor (501), the power supply module, the first transmission mechanism and the second transmission mechanism are all arranged in the inner space of the inner ring body; the power supply module is in circuit connection with the driving motor (501); the first transmission mechanism is fixed with an execution end of the driving motor (501); the second transmission mechanism is respectively meshed with the first transmission mechanism and the annular rack (400). The table board rotating device further comprises a first base (502); the driving motor (501) is fixed on the top of the first base (502); the first transmission mechanism comprises a first transmission gear (503), and the second transmission mechanism comprises a second transmission gear (504); the first transmission gear (503) is fixed with an execution end of the driving motor (501); the second transmission gear (504) is connected to the top of the first base (502) in a shaft mode, and the second transmission gear (504) is meshed with the first transmission gear (503) and the annular rack (400) respectively. The table board rotating device further comprises a first transmission pressing plate (506) and a second transmission pressing plate (507); the top and the bottom of the first transmission gear (503) are respectively provided with a first transmission groove (505) and a second transmission groove; the first transmission groove (505) and the second transmission groove are both annular; the shape and the size of the first transmission pressing plate (506) and the second transmission pressing plate (507) are respectively matched with the first transmission groove (505) and the second transmission groove; the first transmission pressing plate (506) and the second transmission pressing plate (507) are annular and are sleeved and clamped outside the execution end of the driving motor (501); the first transmission pressing plate (506) is clamped in the first transmission groove (505) and sleeved outside the execution end of the driving motor (501); and the second transmission pressing plate (507) is clamped in the second transmission groove and sleeved outside the execution end of the driving motor (501). The first transmission groove (505) and the second transmission groove are internally provided with assembling columns (508); and the first transmission pressing plate (506) and the second transmission pressing plate (507) are provided with assembly holes (509) matched with the assembly columns (508). The table board rotating device further comprises a first flange bearing (510) and a second flange bearing (511); the top of the first base (502) is provided with a connecting shaft; the second transmission gear (504), the first flange bearing (510) and the second flange bearing (511) are all annularly arranged; a first flange groove is formed in the position, close to the top end, of the inner wall of the second transmission gear (504); a second flange groove is formed in the position, close to the bottom end, of the inner wall of the second transmission gear (504); the end parts of the first flange bearing (510) and the second flange bearing (511) are respectively provided with an annular flange; the first flange bearing (510) and the second flange bearing (511) are respectively clamped in the first flange groove and the second flange groove, and the annular flange is clamped at the end part of the second transmission gear (504); the second transmission gear (504), the first flange bearing (510) and the second flange bearing (511) are sleeved on the connecting shaft. The first base (502) and the driving motor (501) are provided with assembling holes (509), and the driving motor (501) is fixed with the first base (502) through the guide studs (512). The power supply module comprises a battery module (602), a battery module (602) shell (601), a battery module (602) and a power supply control module (603); the battery module (602) is connected with the power control module (603) through a magnetic connector; the battery module (602) and the power control module (603) are both disposed within the battery module (602) housing (601) of the battery module (602); the power supply control module (603) is in circuit connection with the driving motor (501) through a cable. The table board rotating device further comprises a second base (604), and the battery module (602), the battery module (602) shell (601), the battery module (602) and the power control module (603) are all arranged on the top of the second base (604). The table board rotating device further comprises a sound control module (605), wherein the sound control module (605) is fixed at the top of the second base (604); the sound control module (605) is in circuit connection with the power control module (603). The table board rotating device further comprises an annular rack transmission flange (608); the inner ring body comprises a first inner ring body (201) and a second inner ring body (202); a first gap is arranged between the first inner ring body (201) and the second inner ring body (202); a second gap communicated with the first gap is formed between the first outer ring body (101) and the second outer ring body (102); the annular rack transmission flange (608) is inserted into the first gap and the second gap, and the inner side end of the annular rack transmission flange is connected with the annular rack (400); the second void has a longitudinal dimension greater than a longitudinal dimension of the first void. The table board rotating device provided by the invention also comprises a plurality of rack pressing plates (900); the rack pressing plates (900) are attached to the top surface and the bottom surface of the annular rack transmission flange (608) at intervals, so that a fourth gap (901) is formed between the rack pressing plates (900), and the fourth gap (901) is communicated with the third gap (609); the first inner ring (201) and the second inner ring (202) are fixed with the rack pressing plate (900). The table plate rotating device further comprises a plurality of inner ring limiting blocks (902), wherein the inner ring limiting blocks (902) are arranged at the positions, close to the inner side edge, of the rack pressing plate (900); the first inner ring body (201) is clamped between the inner ring body limiting block (902) and the first outer ring body (101); the second inner ring body (202) is clamped between the inner ring body limiting block (902) and the second outer ring body (102). The table board rotating device further comprises a plurality of protection screen plates (610), wherein the protection screen plates (610) are fixed between every two rack pressing plates (900); the rack pressing plate is characterized in that bayonets (903) are arranged at positions, close to the inner edges, of two sides of the rack pressing plate (900), and the protective mesh plate is clamped in the bayonets (903). The inner side surface of the bayonet (903) is flush with the inner side surface of the inner ring limiting block (902); the protection screen plate comprises a flat plate part (6101) and a grid plate part (6102); the flat plate part (6101) is arranged on one side of the grid plate part (6102) far away from the annular rack transmission flange (608); the flat plate portion (6101) is fixed to the inside of the first inner ring (201) or the inside of the second inner ring (202). The table board rotating device provided by the invention also comprises a top sealing plate (700) and a bottom sealing plate (800); the top surface of the first outer ring (101) is higher than the top surface of the first inner ring (201); the second outer ring (102) bottom surface is lower than the second inner ring (202) bottom surface; the diameter of the top sealing plate (700) is consistent with the outer diameter of the first outer ring body (101); the diameter of the bottom sealing plate (800) is consistent with the outer diameter of the second outer ring body (102); the top sealing plate (700) is fixed at the top of the first outer ring body (101); the bottom sealing plate (800) is fixed at the bottom of the second outer ring body (102). The first base (502) and the second base (604) are both fixed on top of the bottom sealing plate (800). The bottom sealing plate (800) is provided with a first opening part (801) and a second opening part (802); the first opening (801) is positioned at the bottom of the first base (502); the second opening (802) is located at the bottom of the second base (604).

The table board rotating device provided by the invention has the advantages of good usability, ingenious structure, smooth rotation and difficulty in blocking, can realize intelligent voice-controlled driving rotation, provides convenience for hotels, restaurants and home dinning, and can bring better operation experience for diners and service staff.

Drawings

Fig. 1 is a side view of a table rotating apparatus according to an embodiment of the present invention;

fig. 2 is a schematic top view of a table rotating apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of the table rotating device according to the embodiment of the present invention;

fig. 4 is a schematic bottom structure view of a table rotation device according to an embodiment of the present invention;

fig. 5 is a schematic position diagram of a driving motor, a first transmission mechanism and a second transmission mechanism in the table rotating device according to the embodiment of the invention;

fig. 6 is an assembly schematic view of a driving motor, a first transmission mechanism and a second transmission mechanism in the table board rotating device according to the embodiment of the invention;

fig. 7 is an assembly schematic view of a driving motor, a first transmission mechanism, a second transmission mechanism and a first base in the table board rotating device according to the embodiment of the invention;

fig. 8 is a schematic assembly diagram of a power module in the table rotating device according to the embodiment of the invention;

fig. 9 is a schematic view illustrating an assembly of a power module and a second base in the table rotating device according to the embodiment of the invention;

fig. 10 is a schematic view illustrating a position of a circular rack in the table rotating device according to the embodiment of the present invention;

fig. 11 is a schematic structural view of an annular rack and a limit ring in the table rotating device according to the embodiment of the present invention;

fig. 12 is a schematic structural plan view of a ring-shaped rack and a limiting ring in the table rotating device according to the embodiment of the present invention;

fig. 13 is a schematic structural assembly view of an annular rack drive flange in the table rotating device according to the embodiment of the present invention;

fig. 14 is a schematic structural assembly view of a guard net plate in the table board rotating device according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example one

The present embodiment provides a table board rotating device, which includes a first outer ring 101, a second outer ring 102 and an inner ring; the inner diameter of the first outer ring body 101, the inner diameter of the second outer ring body 102 and the outer diameter of the inner ring body are all equal; the first outer ring body 101 is coaxially clamped at the position close to the top outside the inner ring body; the second outer ring body 102 is coaxially clamped at the position, close to the bottom, outside the inner ring body; a first annular groove 301 and a second annular groove 302 are formed in the outer side wall of the inner ring body; a third annular groove 303 is formed in the inner side wall of the first outer ring body 101; a fourth annular groove 304 is formed in the inner side wall of the second outer ring body 102; the first annular groove 301, the second annular groove 302, the third annular groove 303 and the fourth annular groove 304 are all semicircular, so that the first annular groove 301 and the third annular groove 303 enclose a first annular channel between the inner ring body and the first outer ring body 101; the second and fourth annular grooves 302, 304 enclose a second annular channel between the inner and second outer ring bodies 102; a plurality of balls (not shown) with smooth outer surfaces are arranged in the first annular channel and the second annular channel. As will be understood by those skilled in the art, the first outer ring 101 and the second outer ring 102 can rotate independently with the inner ring, and are less prone to jamming compared to the prior art in which two rings are clamped together; in addition, since balls (not shown) are disposed between the inner ring and the first outer ring 101, and between the inner ring and the second outer ring 102, the inner ring, the first outer ring 101, and the second outer ring 102 rotate relative to each other more smoothly.

The table board rotating device provided by the embodiment further comprises a rotating driving device; the inner side of the inner ring body is provided with an annular rack 400; the rotary drive engages the annular gear rack 400. As will be understood by those skilled in the art, the rotary driving device rotates the annular rack 400, so as to rotate the entire inner ring. Therefore, manual operation is not needed for rotation, and the using experience of diners is better.

The rotary driving device comprises a driving motor 501, a power supply module, a first transmission mechanism and a second transmission mechanism; the driving motor 501, the power module, the first transmission mechanism and the second transmission mechanism are all arranged in the inner space of the inner ring body; the power supply module is in circuit connection with the driving motor 501; the first transmission mechanism is fixed with an execution end of the driving motor 501; the second transmission mechanism is engaged with the first transmission mechanism and the annular rack 400, respectively. As will be understood by those skilled in the art, the power module is used to provide an adaptive power to the driving motor 501; the annular rack 400 is driven by the driving motor 501, the first transmission mechanism and the second transmission mechanism in sequence to rotate.

The table board rotating device provided by the present embodiment further includes a first base 502; the driving motor 501 is fixed on the top of the first base 502; the first transmission mechanism comprises a first transmission gear 503, and the second transmission mechanism comprises a second transmission gear 504; the first transmission gear 503 is fixed with an execution end of the driving motor 501; the second transmission gear 504 is connected to the top of the first base 502 in a shaft manner, and the second transmission gear 504 is respectively meshed with the first transmission gear 503 and the annular rack 400.

The table board rotating device provided by the present embodiment further includes a first transmission pressing board 506 and a second transmission pressing board 507; the top and the bottom of the first transmission gear 503 are respectively provided with a first transmission groove 505 and a second transmission groove; the first transmission groove 505 and the second transmission groove are both annular; the shapes and the sizes of the first transmission pressing plate 506 and the second transmission pressing plate 507 are respectively matched with the first transmission groove 505 and the second transmission groove; the first transmission pressing plate 506 and the second transmission pressing plate 507 are both annular and are sleeved and clamped outside the execution end of the driving motor 501; the first driving platen 506 is clamped in the first driving groove 505 and sleeved outside the executing end of the driving motor 501; the second transmission pressing plate 507 is clamped in the second transmission groove and sleeved outside the execution end of the driving motor 501. Those skilled in the art will appreciate that the first and second transmission pressing plates 506 and 507 are used for limiting the first transmission gear 503.

The first transmission groove 505 and the second transmission groove are both provided with assembling columns 508; the first transmission pressing plate 506 and the second transmission pressing plate 507 are provided with assembling holes 509 matched with the assembling columns 508. It will be understood by those skilled in the art that the first and second transmission pressing plates 506 and 507 can be further fixed to the first transmission gear 503 by inserting the mounting posts 508 into the mounting holes 509, so that the structural stability of the first and second transmission pressing plates 506 and 507 and the first transmission gear 503 can be further enhanced, and the fixing effect is better and more firm.

The table board rotating device provided by the embodiment further includes a first flange bearing 510 and a second flange bearing 511; the top of the first base 502 is provided with a connecting shaft; the second transmission gear 504, the first flange bearing 510 and the second flange bearing 511 are all annularly arranged; a first flange groove is formed in the position, close to the top end, of the inner wall of the second transmission gear 504; a second flange groove is formed in the position, close to the bottom end, of the inner wall of the second transmission gear 504; the ends of the first flange bearing 510 and the second flange bearing 511 are both provided with annular flanges; the first flange bearing 510 and the second flange bearing 511 are respectively clamped in the first flange groove and the second flange groove, and the annular flange is clamped at the end of the second transmission gear 504; the second transmission gear 504, the first flange bearing 510 and the second flange bearing 511 are all sleeved on the connecting shaft. It will be understood by those skilled in the art that the second transmission gear 504 can rotate more smoothly around the connection shaft by providing the first flange bearing 510 and the second flange bearing 511.

The first base 502 and the driving motor 501 are both provided with assembling holes 509, and the driving motor 501 is fixed with the first base 502 through the guide studs 512. As can be understood by those skilled in the art, a rubber ring is sleeved on the guide stud 512, so as to play a role of damping and silencing.

The power module comprises a battery module 602, a battery module 602 shell 601, a battery module 602 and a power control module 603; the battery module 602 is connected with the power control module 603 through a magnetic connector; the battery module 602 and the power control module 603 are both disposed in the battery module 602 housing 601 of the battery module 602; the power control module 603 is electrically connected to the driving motor 501 through a cable phase. Those skilled in the art will appreciate that power may thus be provided to the drive motor 501 via the power module.

The table board rotating device provided by this embodiment further includes a second base 604, and the battery module 602, the housing 601, and the power control module 603 are all disposed on the top of the second base 604.

The table board rotating device provided in this embodiment further includes a sound control module 605, where the sound control module 605 is fixed on the top of the second base 604; the voice control module 605 is electrically connected to the power control module 603. As will be understood by those skilled in the art, the voice control module 605 is configured to generate an electrical control signal according to the received sound signal and transmit the electrical control signal to the power control module 603, and the power control module 603 controls the driving motor 501 under the control of the voice control module 605, so as to drive the circular rack 400 to rotate.

The table board rotating device provided by the embodiment further includes an annular rack transmission flange 608; the inner ring body comprises a first inner ring body 201 and a second inner ring body 202; a first gap is formed between the first inner ring 201 and the second inner ring 202; a second gap penetrating the first gap is formed between the first outer ring body 101 and the second outer ring body 102; the annular rack gear flange 608 is inserted into the first gap and the second gap, and the inner side end of the annular rack gear flange is connected with the annular rack 400. As will be understood by those skilled in the art, the outer end of the annular rack gear flange 608 is flush with the outer sides of the first outer ring body 101 and the second outer ring body 102 or slightly protrudes from the outer sides of the first outer ring body 101 and the second outer ring body 102, so that when the annular rack gear 400 is driven by the rotation driving device to rotate and drive the annular rack gear flange 608 to rotate together, a resistance to rotation can be applied to the annular rack gear 400 by manually touching the outer end of the annular rack gear flange 608, so that the annular rack gear 400 stops rotating.

The second void has a longitudinal dimension greater than a longitudinal dimension of the first void. As will be understood by those skilled in the art, when the annular rack gear flange 608 is completely inserted into the first and second gaps, a third gap 609 is formed between the first and second outer ring bodies 101 and 102 and the annular rack gear flange 608. The third gap 609 facilitates no friction between the annular rack gear flange 608 and the first outer ring body 101 and the second outer ring body 102; on the other hand, a channel is provided for transmitting an external voice control signal into the inside of the table board rotating device provided by the embodiment.

The table board rotating device provided by the present embodiment further includes a plurality of rack pressing plates 900; the rack pressing plates 900 are attached to the top surface and the bottom surface of the annular rack transmission flange 608 at intervals, so that a fourth gap 901 is formed between the rack pressing plates 900, and the fourth gap 901 is communicated with the third gap 609; the first inner ring 201 and the second inner ring 202 are fixed to the rack pressing plate 900. As will be understood by those skilled in the art, the rack pressing plate 900 is used to realize a rigid connection between the annular rack 400, the annular rack transmission flange 608, the first inner ring 201 and the second inner ring 202, so that the whole is driven by the rotary driving device to rotate; those skilled in the art will understand that, according to the material to be manufactured, those skilled in the art can process the ring-shaped rack 400, the ring-shaped rack transmission flange 608, the first inner ring 201, and the second inner ring 202 into a split structure and then fix them, or process the ring-shaped rack 400, the ring-shaped rack transmission flange 608, the first inner ring 201, and the second inner ring 202 into an integrated structure, so as to facilitate the mold opening during the manufacturing process. The fourth gap 901 is used to communicate with the third gap 609 to form a channel for transmitting a voice control signal, so as to more efficiently control the table rotation device provided by this embodiment to continue rotating or stop rotating through the voice control module 605.

The table rotating device provided by this embodiment further includes a plurality of inner ring stoppers 902, and the inner ring stoppers 902 are disposed at positions of the rack pressing plate 900 near the inner side edge; the first inner ring 201 is clamped between the inner ring stopper 902 and the first outer ring 101; the second inner ring 202 is clamped between the inner ring stopper 902 and the second outer ring 102. As can be appreciated by those skilled in the art, the inner ring stopper 902 and the rack pressing plate 900 are an integral structure.

The table board rotating device of the embodiment further comprises a plurality of protection screen plates 610, and the protection screen plates 610 are fixed between every two rack pressing plates 900. As can be understood by those skilled in the art, the shielding mesh plate 610 can prevent external dust, foreign matters, etc. from entering the inside of the table rotating device provided in this embodiment through the third gap 609 and the fourth gap 901, so as to avoid the rotating driving device from being worn, stuck, rattled or having a shortened service life due to the foreign matters, etc.

The position that rack clamp plate 900 both sides are close to interior border is equipped with bayonet 903, the protection network integrated circuit board is established in bayonet 903. Those skilled in the art will appreciate that the bayonet 903 is provided to more securely fix the shield mesh panel between the rack press plates 900.

The inner side surface of the bayonet 903 is flush with the inner side surface of the inner ring limiting block 902; the protection screen plate comprises a flat plate part 6101 and a grid plate part 6102; the flat plate portion 6101 is disposed on a side of the grid plate portion 6102 away from the annular rack transmission flange 608; the flat plate portion 6101 is fixed to the inside of the first inner ring 201 or the inside of the second inner ring 202. As can be understood by those skilled in the art, when the protection net plate 610 is clamped in the bayonet 903, the protection net plate 610 and the inner ring stopper 902 together play a role in limiting the first inner ring 201 and the second inner ring 202, so that the table top rotating device provided by this embodiment has a more stable structure.

The table board rotating device provided by the embodiment includes a top sealing plate 700 and a bottom sealing plate 800; the top surface of the first outer ring 101 is higher than the top surface of the first inner ring 201; the bottom surface of the second outer ring 102 is lower than the bottom surface of the second inner ring 202; the diameter of the top closure plate 700 corresponds to the outer diameter of the first outer ring body 101; the diameter of the bottom sealing plate 800 is consistent with the outer diameter of the second outer ring body 102; the top sealing plate 700 is fixed to the top of the first outer ring body 101; the bottom closure plate 800 is secured to the bottom of the second outer ring 102. It will be appreciated by those skilled in the art that in use, the plate rotator provided in this embodiment is placed at the center of the top of the table, and a turntable plate is placed on top of the plate rotator provided in this embodiment, so that the turntable plate and the table can rotate relatively. Because the inner ring body and the first outer ring body 101 can rotate relative to the second outer ring body 102, in the using process, the driving motor 501 drives the annular rack 400 to rotate, when the second outer ring body 102 keeps static, the annular rack 400 drives the first inner ring body 201 and the second inner ring body 202 to rotate, the first inner ring body 201 drives the smooth steel balls in contact with the first inner ring body to roll, so that the first outer ring body 101 is driven to rotate, and the revolving plate and the dining table keep a mutually rotating state; when a diner wishes to stop rotating the rotary table plate, the rotary table plate can stop rotating only by lightly pressing the finger, and the annular rack 400 drives the inner ring body to idle.

The first base 502 and the second base 604 are fixed on top of the bottom cover plate 800.

The bottom sealing plate 800 is provided with a first opening 801 and a second opening 802; the first opening 801 is positioned at the bottom of the first base 502; the second opening 802 is located at the bottom of the second base 604. Those skilled in the art will appreciate that the drive motor 501, the power module and the voice control module 605 can be installed, maintained and repaired through the first opening 801 and the second opening 802.

The table board provided by this embodiment further includes a plurality of rubber pads disposed at the bottom of the bottom sealing plate 800 near the edge thereof. The rubber pad can play antiskid, silence and absorbing effect.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (19)

1. A table rotation device comprising a first outer ring (101), a second outer ring (102) and an inner ring; the inner diameter of the first outer ring body (101), the inner diameter of the second outer ring body (102) and the outer diameter of the inner ring body are all equal; the first outer ring body (101) is coaxially clamped at the position, close to the top, outside the inner ring body; the second outer ring body (102) is coaxially clamped at the position, close to the bottom, outside the inner ring body; a first annular groove (301) and a second annular groove (302) are formed in the outer side wall of the inner ring body; a third annular groove (303) is formed in the inner side wall of the first outer ring body (101); a fourth annular groove (304) is formed in the inner side wall of the second outer ring body (102); the first annular groove (301), the second annular groove (302), the third annular groove (303) and the fourth annular groove (304) are all semicircular, so that a first annular channel is enclosed by the first annular groove (301) and the third annular groove (303) between the inner ring body and the first outer ring body (101); the second annular groove (302) and the fourth annular groove (304) enclose a second annular channel between the inner ring body and the second outer ring body (102); a plurality of balls with smooth surfaces are arranged in the first annular channel and the second annular channel.

2. A table rotation device as claimed in claim 1, further comprising a rotation drive means; the inner side of the inner ring body is provided with an annular rack (400); the rotary drive device is meshed with the annular rack (400).

3. A table rotating device as claimed in claim 2, wherein the rotating driving device comprises a driving motor (501), a power module, a first transmission mechanism and a second transmission mechanism; the driving motor (501), the power supply module, the first transmission mechanism and the second transmission mechanism are all arranged in the inner space of the inner ring body; the power supply module is in circuit connection with the driving motor (501); the first transmission mechanism is fixed with an execution end of the driving motor (501); the second transmission mechanism is respectively meshed with the first transmission mechanism and the annular rack (400).

4. A table rotation device as claimed in claim 3, further comprising a first base (502); the driving motor (501) is fixed on the top of the first base (502); the first transmission mechanism comprises a first transmission gear (503), and the second transmission mechanism comprises a second transmission gear (504); the first transmission gear (503) is fixed with an execution end of the driving motor (501); the second transmission gear (504) is connected to the top of the first base (502) in a shaft mode, and the second transmission gear (504) is meshed with the first transmission gear (503) and the annular rack (400) respectively.

5. A table rotating device as claimed in claim 4, further comprising a first driving platen (506) and a second driving platen (507); the top and the bottom of the first transmission gear (503) are respectively provided with a first transmission groove (505) and a second transmission groove; the first transmission groove (505) and the second transmission groove are both annular; the shape and the size of the first transmission pressing plate (506) and the second transmission pressing plate (507) are respectively matched with the first transmission groove (505) and the second transmission groove; the first transmission pressing plate (506) and the second transmission pressing plate (507) are annular and are sleeved and clamped outside the execution end of the driving motor (501); the first transmission pressing plate (506) is clamped in the first transmission groove (505) and sleeved outside the execution end of the driving motor (501); and the second transmission pressing plate (507) is clamped in the second transmission groove and sleeved outside the execution end of the driving motor (501).

6. A table rotation device as claimed in claim 5, wherein each of the first and second transmission recesses (505, 508) has a fitting post therein; and the first transmission pressing plate (506) and the second transmission pressing plate (507) are provided with assembly holes (509) matched with the assembly columns (508).

7. A table rotation device as claimed in claim 6, further comprising a first flange bearing (510) and a second flange bearing (511); the top of the first base (502) is provided with a connecting shaft; the second transmission gear (504), the first flange bearing (510) and the second flange bearing (511) are all annularly arranged; a first flange groove is formed in the position, close to the top end, of the inner wall of the second transmission gear (504); a second flange groove is formed in the position, close to the bottom end, of the inner wall of the second transmission gear (504); the end parts of the first flange bearing (510) and the second flange bearing (511) are respectively provided with an annular flange; the first flange bearing (510) and the second flange bearing (511) are respectively clamped in the first flange groove and the second flange groove, and the annular flange is clamped at the end part of the second transmission gear (504); the second transmission gear (504), the first flange bearing (510) and the second flange bearing (511) are sleeved on the connecting shaft.

8. A table rotation device as claimed in claim 7, wherein the first base (502) and the drive motor (501) are each provided with a mounting hole (509), and the drive motor (501) is fixed to the first base (502) by the guide stud (512).

9. A table rotation device as claimed in claim 8, wherein the power module comprises a battery module (602) housing (601), a battery module (602), and a power control module (603); the battery module (602) is connected with the power control module (603) through a magnetic connector; the battery module (602) and the power control module (603) are both disposed within the battery module (602) housing (601) of the battery module (602); the power supply control module (603) is in circuit connection with the driving motor (501) through a cable phase.

10. A table rotation device as claimed in claim 9, further comprising a second base (604), wherein the battery module (602) housing (601) of the battery module (602), the battery module (602) and the power control module (603) are all disposed on top of the second base (604).

11. A table rotating apparatus as claimed in claim 10, further comprising a voice control module (605), wherein said voice control module (605) is fixed on top of said second base (604); the sound control module (605) is in circuit connection with the power control module (603).

12. A table rotation device as claimed in any one of claims 1 to 11 further comprising an annular rack drive flange (608); the inner ring body comprises a first inner ring body (201) and a second inner ring body (202); a first gap is arranged between the first inner ring body (201) and the second inner ring body (202); a second gap communicated with the first gap is formed between the first outer ring body (101) and the second outer ring body (102); the annular rack transmission flange (608) is inserted into the first gap and the second gap, and the inner side end of the annular rack transmission flange is connected with the annular rack (400); the second void has a longitudinal dimension greater than a longitudinal dimension of the first void.

13. A table rotating apparatus as claimed in claim 12, further comprising a plurality of rack press plates (900); the rack pressing plates (900) are attached to the top surface and the bottom surface of the annular rack transmission flange (608) at intervals, so that a fourth gap (901) is formed between the rack pressing plates (900), and the fourth gap (901) is communicated with the third gap (609); the first inner ring (201) and the second inner ring (202) are fixed with the rack pressing plate (900).

14. The table rotating device as claimed in claim 13, further comprising a plurality of inner ring stoppers (902), wherein the inner ring stoppers (902) are disposed at the rack pressing plate (900) near the inner side edge; the first inner ring body (201) is clamped between the inner ring body limiting block (902) and the first outer ring body (101); the second inner ring body (202) is clamped between the inner ring body limiting block (902) and the second outer ring body (102).

15. A table rotating device as claimed in claim 14, further comprising a plurality of guard net plates (610), said guard net plates (610) being fixed between two rack press plates (900); the rack pressing plate is characterized in that bayonets (903) are arranged at positions, close to the inner edges, of two sides of the rack pressing plate (900), and the protective mesh plate is clamped in the bayonets (903).

16. A table rotation device as claimed in claim 15 wherein the inner side of the bayonet (903) is flush with the inner side of the inner ring limiter (902); the protection screen plate comprises a flat plate part (6101) and a grid plate part (6102); the flat plate part (6101) is arranged on one side of the grid plate part (6102) far away from the annular rack transmission flange (608); the flat plate portion (6101) is fixed to the inside of the first inner ring (201) or the inside of the second inner ring (202).

17. A table rotation apparatus as claimed in claim 16 further comprising a top closure plate (700) and a bottom closure plate (800); the top surface of the first outer ring (101) is higher than the top surface of the first inner ring (201); the second outer ring (102) bottom surface is lower than the second inner ring (202) bottom surface; the diameter of the top sealing plate (700) is consistent with the outer diameter of the first outer ring body (101); the diameter of the bottom sealing plate (800) is consistent with the outer diameter of the second outer ring body (102); the top sealing plate (700) is fixed at the top of the first outer ring body (101); the bottom sealing plate (800) is fixed at the bottom of the second outer ring body (102).

18. A table rotation device as claimed in claim 17, wherein said first base (502) and said second base (604) are each secured to the top of said bottom closure plate (800).

19. A table rotation device as claimed in claim 17 wherein the bottom closure plate (800) is provided with a first open portion (801) and a second open portion (802); the first opening (801) is positioned at the bottom of the first base (502); the second opening (802) is located at the bottom of the second base (604).

Images