CN220631408U - Direct-drive rotary dining table - Google Patents

Abstract

The utility model is suitable for the field of catering equipment, and provides a direct-drive rotary dining table which comprises a fixed tabletop, wherein a rotary device mounting groove is formed in the middle position of the fixed tabletop, an outer rotor brushless motor is arranged in the rotary device mounting groove, the outer rotor brushless motor comprises a disc type outer rotor, a disc type outer rotor is in driving connection with a disc type support driving mechanism, the disc type support driving mechanism comprises a disc type support plate and a disc type driving block which are in rotating connection, a plurality of translation balls are arranged at the lower end of the disc type support plate, the lower end of each translation ball abuts against the disc type driving block, a rotary dinner plate is arranged on the upper end face of the disc type support plate, the rotary dinner plate is directly driven to rotate through the outer rotor brushless motor, the service life and the efficiency influence of a transmission mechanism such as a gear set on the rotary function are reduced, and meanwhile, the disc type support plate and the disc type driving block can relatively rotate through the translation balls, so that the outer rotor brushless motor can be protected when manpower stops rotating the dinner plate.

Description

Direct-drive rotary dining table

Technical Field

The utility model is suitable for the field of catering equipment, and provides a direct-drive rotary dining table.

Background

In daily life can often many people take dinner with table the condition, the corresponding round dining table of great area that also can use of dining table when the number is great, and owing to the area is great, the dish is more, so in order to let all people can take different dishes, so just need to use rotatory dining table, place the dish on a dinner plate that can rotate, can send the dish to all people in proper order through rotatory, traditional rotatory dining table relies on manpower drive to rotate, this kind of mode is comparatively hard, simultaneously also unstable, a lot of restaurants begin to use electric rotation's rotatory dining table now, but this kind of dining table generally adopts the non-direct drive form, generally drive reduction gear set through the motor, drive the dinner plate rotatory through reduction gear set, the transmission loss of motor like this is great, gear set also can take place wearing and tearing smooth tooth condition after long-time use simultaneously, when traditional electric rotation dining table needs to stop carrying out operations such as dishes, otherwise, it is great to lead to motor load transient change through rotation to the dish, long-term such operation can lead to motor overheat damage, simultaneously can lead to motor to the gear set to and wear under the opposite effort of resistance and two to wear down under the opposite effort of gear set.

Disclosure of Invention

Therefore, the utility model provides the direct-drive rotary dining table, the rotary dinner plate is directly driven to rotate by the outer rotor brushless motor, the service life and the efficiency influence of a transmission mechanism such as a gear set and the like on the rotary function are reduced, and meanwhile, the rotary table support plate and the rotary table driving block can relatively rotate by translating the balls, so that the outer rotor brushless motor can drive the rotary table driving block to rotate when the rotary dinner plate is stopped by manpower, and the effect of protecting the outer rotor brushless motor can be achieved.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a direct-drive type rotary dining table, including fixed desktop, fixed desktop downside is fixed to be provided with the supporting legs, the aforesaid is fixed desktop intermediate position and is provided with rotary device mounting groove, be provided with outer rotor brushless motor in the rotary device mounting groove, aforesaid outer rotor brushless motor includes motor cabinet, the motor shaft, interior stator and disk-type outer rotor, aforesaid motor shaft and motor cabinet fixed connection, aforesaid interior stator fixed cover is established on the motor shaft, aforesaid disk-type outer rotor cover is established in the stator outside and is connected with the motor shaft rotation, aforesaid disk-type outer rotor drive is connected with carousel support actuating mechanism, aforesaid carousel support actuating mechanism up end is provided with rotatory dinner plate.

Further, the turntable support mechanism comprises a turntable support plate and a turntable driving block from top to bottom, and the turntable support plate is rotationally connected with the turntable driving block through a rotating shaft.

Further, the lower extreme of carousel backup pad is provided with a plurality of ball mounting grooves, is provided with translation ball in the ball mounting groove, and a portion of translation ball exceeds carousel backup pad lower terminal surface, and translation ball's lower extreme and carousel drive piece up end are supported and are leaned on.

Further, a ball damping sleeve made of soft materials is arranged in the ball mounting groove, the translation balls are slidably arranged in the ball damping sleeve, and a rubber damping strip matched with the translation balls is arranged on the upper end face of the turntable driving block.

Further, the annular array of lateral surface of disk external rotor is provided with a plurality of drive block limit keys, carousel drive block downside is provided with the rotor mounting groove, and the inside wall in aforementioned rotor mounting groove is provided with a plurality of limit key mounting grooves with drive block limit key one-to-one adaptation.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the scheme of the utility model, the rotary dinner plate is driven in a direct drive mode of the disc type outer rotor motor, the rotor part of the disc type outer rotor motor is arranged at the outer side of the stator, and the coil is arranged on the stator, so that compared with the traditional inner rotor motor, the outer rotor part has lighter weight, small moment of inertia, is more suitable for the use scene of a rotary dining table which is frequently braked, and simultaneously has higher energy efficiency in direct drive in a mode of driving by using a transmission mechanism such as a gear set and the like, and simultaneously avoids the conditions of tooth slipping and the like caused by gear loss after long-time use;

2. through setting up a plurality of translation balls at carousel backup pad lower extreme, just can relative slip between carousel backup pad and the carousel drive piece like this, just can realize stopping through the fixed rotatory dinner plate of manpower between the circumstances that needs rotatory dinner plate to stop in short time such as last dish, the carousel backup pad stops rotating this moment, and the carousel drive piece is rotatory still under motor drive, such structure can play the effect of protection motor on the one hand, avoid the motor to stop the overheated loss that leads to by force under operating condition, on the other hand also can be so that the manpower is more laborsaving when fixed rotatory dinner plate, simultaneously can also make things convenient for its counter-rotating adjustment.

Drawings

Fig. 1 is a schematic structural view of a direct-drive rotary dining table according to the present utility model;

FIG. 2 is an exploded view of the direct drive rotary dining table of FIG. 1;

FIG. 3 is a schematic view of the rotor support drive mechanism of FIG. 1;

FIG. 4 is an exploded view of the rotor support drive mechanism of FIG. 3;

FIG. 5 is a schematic view of the structure of the rotor support plate of FIG. 3;

FIG. 6 is an enlarged schematic view of a portion of FIG. 5 at "A";

FIG. 7 is a schematic view of the outer rotor brushless motor of FIG. 1;

fig. 8 is an exploded view of the outer rotor brushless motor of fig. 6.

In the figure: 1. fixed desktop, 11, rotary device mounting groove, 2, supporting legs, 3, external rotor brushless motor, 31, motor cabinet, 32, motor shaft, 33, inner stator, 34, disk external rotor, 341, drive block limit key, 4, carousel support actuating mechanism, 41, carousel backup pad, 42, carousel drive block, 421, limit key mounting groove, 43, pivot, 44, translation ball, 45, ball damping cover, 5, rotatory dinner plate.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-8, the embodiment of the utility model provides a direct-drive rotary dining table, which comprises a fixed tabletop 1, wherein a supporting leg 2 is fixedly arranged at the lower side of the fixed tabletop 1, a rotary device mounting groove 11 is arranged at the middle position of the fixed tabletop 1, an outer rotor brushless motor 3 is arranged in the rotary device mounting groove 11, the outer rotor brushless motor 3 can realize the forward and reverse rotation and start-stop control of a motor through an external brushless driving device, the outer rotor brushless motor 3 comprises a motor base 31, a motor shaft 32, an inner stator 33 and a disc type outer rotor 34, the motor shaft 32 is fixedly connected with the motor base 31, the inner stator 33 is fixedly sleeved on the motor shaft 32, the disc type outer rotor 34 is sleeved at the outer side of the inner stator 33 and is rotationally connected with the motor shaft 32, the disc type outer rotor 34 is in driving connection with a turntable support driving mechanism 4, the turntable support mechanism comprises a turntable support plate 41 and a turntable driving block 42 from top to bottom, the turntable support plate 41 is rotationally connected with the turntable driving block 42 through a rotating shaft 43, the upper end surface of the turntable support plate 41 is provided with a rotary dinner plate 5, the lower end of the turntable support plate 41 is provided with a plurality of ball mounting grooves, ball damping sleeves 45 made of soft materials are arranged in the ball mounting grooves, translation balls 44 are arranged in the ball damping sleeves 45, the upper end surface of the turntable driving block 42 is provided with a rubber damping strip matched with the translation balls 44, a part of the translation balls 44 exceeds the lower end surface of the turntable support plate 41, the lower end of the translation balls 44 abuts against the upper end surface of the rubber damping strip, the ball damping sleeves 45 can generate certain friction force on the translation balls 44, meanwhile, the translation balls 44 are also subjected to the friction force of the rubber damping strip, under the condition that the rotary dinner plate 5 is not influenced by external force, when the disc outer rotor 34 drives the turntable driving block 42 to rotate, the turntable supporting plate 41 can synchronously rotate along with the turntable driving block 42, and when the rotary dinner plate 5 stops under the action of manpower, the turntable supporting plate 41 stops rotating, but at the moment, the turntable driving block 42 can continue to rotate due to the existence of the translation balls 44, so that the condition that the motor is stopped forcibly under the action of manpower is avoided, and the motor can be better protected.

In a further scheme, a plurality of driving block limit keys 341 are annularly arranged on the outer side surface of the disc-type outer rotor 34, a rotor mounting groove is formed on the lower side of the rotary disc driving block 42, and a plurality of limit key mounting grooves 421 which are in one-to-one fit with the driving block limit keys 341 are formed on the inner side wall of the rotor mounting groove.

The working principle of this embodiment is as follows:

in this embodiment, the disc-type outer rotor 34 of the outer rotor brushless motor 3 drives the turntable support driving mechanism 4 to rotate the turntable 5, in the normal rotation stage of the turntable 5, the translational balls 44 between the turntable support plate 41 and the turntable driving block 42 are relatively static under the action of the friction resistance of the ball damping sleeve 45 and the rubber damping strip, so that the turntable support plate 41 and the turntable driving block 42 are relatively static in this stage, when the turntable 5 needs to stop rotating or reversing for a short time, a force in the opposite direction to the rotation force of the outer rotor brushless motor 3 can be applied to the turntable 5 by a person, at this time, the translational balls 44 overcome the friction resistance of the ball damping sleeve 45 and the rubber damping strip to roll under the action of manpower, at this time, the turntable support plate 41 and the turntable driving block 42 rotate relatively, at this time, the turntable driving block 42 still rotates normally under the action of the outer rotor brushless motor 3, and the turntable support plate 41 can be static or reversing, in this case, the motor can be better protected from overheating damage.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model equivalent thereto using the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model. .

Claims (5)

1. The utility model provides a direct-drive type rotary dining table, including fixed desktop, fixed desktop downside is fixed and is provided with the supporting legs, its characterized in that, aforementioned fixed desktop intermediate position is provided with rotary device mounting groove, be provided with outer rotor brushless motor in the rotary device mounting groove, aforementioned outer rotor brushless motor includes motor cabinet, motor shaft, interior stator and disk-type outer rotor, aforementioned motor shaft and motor cabinet fixed connection, aforementioned interior stator fixed cover is established on the motor shaft, aforementioned disk-type outer rotor cover is established in the stator outside and is connected with the motor shaft rotation, aforementioned disk-type outer rotor drive is connected with carousel support actuating mechanism, aforementioned carousel support actuating mechanism up end is provided with rotatory dinner plate.

2. The direct-drive rotary dining table according to claim 1, wherein the turntable support driving mechanism comprises a turntable support plate and a turntable driving block from top to bottom, and the turntable support plate is rotatably connected with the turntable driving block through a rotating shaft.

3. The direct-drive rotary dining table according to claim 2, wherein the lower end of the turntable support plate is provided with a plurality of ball mounting grooves, translation balls are arranged in the ball mounting grooves, a part of the translation balls exceeds the lower end surface of the turntable support plate, and the lower ends of the translation balls are abutted against the upper end surface of the turntable drive block.

4. The direct-drive rotary dining table according to claim 3, wherein a ball damping sleeve made of soft materials is arranged in the ball mounting groove, the translational balls are slidably arranged in the ball damping sleeve, and a rubber damping strip matched with the translational balls is arranged on the upper end face of the turntable driving block.

5. The direct-drive rotary dining table according to claim 2, wherein a plurality of driving block limit keys are annularly arranged on the outer side face of the disc-type outer rotor, a rotor mounting groove is formed in the lower side of the disc-type driving block, and a plurality of limit key mounting grooves which are in one-to-one fit with the driving block limit keys are formed in the inner side wall of the rotor mounting groove.