Rotating structure and dining table rotating device

By improving the mechanism structure of the rotating dining table, including the combined design of components such as the main shaft, pressure support bearing, large gear, and friction block, the problem of insufficient stability of the rotating dining table in large sizes has been solved, and the stability of the structure and protection of the motor have been achieved.

CN223900433UActive Publication Date: 2026-02-13廖乐双
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Patent Information

Application Number
CN202520802495.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-13
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Existing rotating dining table mechanisms suffer from instability and wobbling when made larger.

Method used

It adopts a combination design of components such as main shaft, first pressure support bearing, large gear, rotating shaft sleeve, motor, turntable support arm, etc. The connection stability is enhanced by setting friction blocks and friction adjustment parts, and the stability is improved by connecting to the dining table frame through the suspension support arm.

Benefits of technology

It solves the problem of swaying when the rotating dining table is large, enhances the stability of the structure, avoids motor burnout, and achieves adjustment of flatness and uniform control of friction force.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of dining table assemblies, in particular to a rotating structure and a dining table rotating device. The utility model relates to a rotating structure, which comprises a machine core main shaft, a rotating shaft and a rotating shaft, the first pressure supporting bearing is movably mounted on the machine core main shaft; the large gear is movably installed on the machine core main shaft, the large gear is located above the first pressure supporting bearing, and the lower surface of the large gear abuts against the first pressure supporting bearing; the machine core rotating shaft sleeve is movably installed on the machine core main shaft, the upper end and the lower end in the machine core rotating shaft sleeve are respectively provided with a first bearing, and the machine core rotating shaft sleeve is movably connected with the machine core main shaft through the first bearings; the motor is fixedly installed on the machine core main shaft, a motor shaft of the motor is provided with a fixedly-connected driving gear, and the driving gear is connected with the large gear in a meshed mode; the turntable support arm is fixedly connected with the movement rotating shaft sleeve; and the large gear drives the turntable support arm.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dining table assembly field, concretely is rotating structure and dining table rotating device. BACKGROUND

[0002] The rotating dining table is a unique dining table, which not only can rotate, but also has multiple functions and advantages. The main features of the rotating dining table include convenience, space saving, easy cleaning, etc. Through the rotating design, everyone can easily get the dishes they need without standing up to pick up the dishes, thereby improving the convenience and hygiene of dining.

[0003] The rotating dining table core is the core of the entire dining table to realize the rotating function, and is widely used in hotels, restaurants and families, providing convenient rotating function, facilitating dining or displaying articles. The main types of rotating dining table core include electric rotating dining table core and sleeve support type dining table rotating table top core. The electric rotating dining table core is driven by a motor to realize automatic rotation of the dining table, while the sleeve support type dining table rotating table top core reduces the radial volume through the design of sleeve and load-bearing sleeve pipe, facilitates assembly and transportation, and adopts a metal pipe structure to improve the utilization efficiency of raw materials. Among them, the electric rotating dining table core is a mechanical device for driving the rotation of the dining table, which is usually composed of a motor, a speed reducer, a bearing and a control system. The current core, in the market, the price range of rotating dining table core is from several hundred yuan to several thousand yuan, the specific price depends on the brand, material and function.

[0004] Although the existing rotating dining table core has many styles, it also has many disadvantages, such as: the table top will be deflected during rotation if the load is too large, the bearing will wear out and make noise after long-term use, it is not convenient to lubricate, it is easy to burn out the motor if it is stopped randomly during rotation, and it is not convenient to adjust when the table top is tilted. In view of the above problems, the applicant's own research and development team has developed a research and development design that can solve the above problems, the specific Chinese patent application number is: 202422622277X, and the patent name is: core and dining table rotating structure. The applicant's own design scheme can solve the above existing problems, but when the size is large, there will still be problems of poor stability and shaking, so there is still room for further improvement. UTILITY MODEL CONTENTS

[0005] The purpose of the utility model is to at least solve the problem that the existing product will shake when the size is enlarged. Therefore, the utility model provides a structure design scheme with stronger stability.

[0006] To solve the above technical problems, the utility model rotating structure comprises:

[0007] The core main shaft is at a vertical angle;

[0008] A first pressure support bearing is movably mounted on the core main shaft;

[0009] A large gear is movably mounted on the core main shaft, the large gear is above the first pressure support bearing, and the lower surface of the large gear abuts the first pressure support bearing;

[0010] A core rotating shaft sleeve is movably mounted on the core main shaft, the upper and lower ends of the core rotating shaft sleeve are respectively provided with first bearings, and the core rotating shaft sleeve and the core main shaft are movably connected through the first bearings;

[0011] A motor is fixedly mounted on the core main shaft, the motor shaft of the motor is provided with a driving gear fixedly connected, and the driving gear is in meshing connection with the large gear;

[0012] A rotating disc support arm is fixedly connected with the core rotating shaft sleeve, and the large gear drives the rotating disc support arm.

[0013] As a preferred embodiment of the rotating structure of the utility model, the core main shaft is provided with a supporting plate fixedly connected, the supporting plate is at a horizontal angle, the motor is fixedly mounted on the supporting plate, the supporting plate is below the first pressure support bearing, and the supporting plate, the first pressure support bearing and the large gear are respectively at a horizontal angle.

[0014] The lower surface of the first pressure support bearing abuts the supporting plate, and the upper surface of the first pressure support bearing abuts the large gear.

[0015] As a preferred embodiment of the rotating structure of the utility model, the lower surface of the core main shaft is provided with a floor support foot movably connected.

[0016] As a preferred embodiment of the rotating structure of the utility model, the core main shaft is provided with a second bearing movably connected, and the large gear is mounted on the second bearing.

[0017] As a preferred embodiment of the rotating structure of the utility model, a fixed disc and a supporting disc are included, the fixed disc is fixedly connected with the lower surface of the core rotating shaft sleeve and fixedly connected with the rotating disc support arm, and the supporting disc is movably or fixedly connected with the upper surface of the core rotating shaft sleeve and fixedly connected with the rotating disc support arm.

[0018] As a preferred embodiment of the rotating structure of the utility model, a second pressure support bearing is arranged between the large gear and the fixed disc; the lower part of the second pressure support bearing abuts against the large gear, and the upper part of the second pressure support bearing abuts against the fixed disc.

[0019] As a preferred embodiment of the rotating structure of the utility model, the fixed disc is provided with a first adjusting hole.

[0020] The rotating structure further comprises a friction force adjusting member which is threadedly connected to the first adjusting hole.

[0021] The rotating structure further comprises a friction block which is arranged between the large gear and the fixed disc; the upper part of the friction block is provided with a first connecting counterbore, and the lower part of the friction force adjusting member is at least partially arranged in the first connecting counterbore; the friction block abuts against the upper surface of the large gear.

[0022] As a preferred embodiment of the rotating structure of the utility model, the lower part of the friction force adjusting member is provided with a second connecting counterbore; a spring is arranged in the second connecting counterbore, one end of the spring abuts against the friction force adjusting member, and the other end of the spring abuts against the friction block.

[0023] As a preferred embodiment of the rotating structure of the utility model, the fixed disc is provided with a second adjusting hole; a flatness fine adjustment member is threadedly connected to the second adjusting hole.

[0024] The rotating device of the utility model further comprises a suspension support arm which is fixedly connected to the core main shaft in the rotating structure.

[0025] Advantages

[0026] The utility model solves the above-mentioned problems and other existing problems not mentioned above and brings at least the following innovative advantages:

[0027] The rotating structure and the rotating device of the utility model are provided with the core rotating shaft sleeve which is arranged on the core main shaft, and the upper and lower ends of the core rotating shaft sleeve are respectively provided with first bearings for connection and frame support; the disc support arm is arranged on the upper surface of the core rotating shaft sleeve, so that the strength and stability are greatly improved, and the problem that the existing equipment is prone to shaking when the size is large is solved.

[0028] The rotating structure and the rotating device of the utility model are provided with the fixed disc and the support disc, so that the connection stability between the core rotating shaft sleeve and the disc support arm is further improved.

[0029] The utility model discloses rotary structure and dining table rotary device, through the friction block and friction force adjusting spare of increase, make friction block can butt joint the big gear, and realize transmission the disc support arm through the friction between friction block and big gear, in use, solved the problem of existing motor burnt out, and through the spring between friction force adjusting spare and friction block, realized that the force of friction block pasting in big gear surface is more uniform, simultaneously because the screw connection between friction force adjusting spare and first adjusting hole, thus through clockwise or counterclockwise rotation friction force adjusting spare can realize the force size of friction force adjusting spare and push friction block butt joint big gear.

[0030] The utility model discloses rotary structure and dining table rotary device, the disc support arm is installed on the upper surface of fixed disc, so when the disc support arm is in the situation of inclination angle, can rotate flatness fine adjustment spare, makes the upper end portion of flatness fine adjustment spare exceed the surface of fixed disc, so that the upper end portion of flatness fine adjustment spare butt joint disc support arm pad high disc support arm, thereby can solve the problem of disc support arm uneven, and this problem is also the problem that present technical cannot solve.

[0031] The utility model discloses rotary structure and dining table rotary device, through the installation of machine core main shaft on the upper surface of suspension support arm, so that when being applied to dining table, is through suspension support arm to connect with the frame or table leg of dining table, and the whole structure is in the state of suspension. ACCURACY OF DRAWINGS

[0032] Figure 1 It is the first perspective solid drawing of the utility model;

[0033] Figure 2 It is the second perspective solid drawing of the utility model;

[0034] Figure 3 It is Figure 2 The local enlarged view of area A in it;

[0035] Figure 4 It is the section effect drawing of the utility model;

[0036] Figure 5 It is the exploded effect drawing of the utility model;

[0037] Figure 6 It is the local enlarged view of area B in the utility model Figure 4

[0038] Figure 7 It is the solid enlarged view of fixed disc of the utility model;

[0039] Figure 8 It is the solid enlarged view of friction block of the utility model.

[0040] ​In the figure: 1. The main shaft of the core, 2. The first pressure support bearing, 3. The large gear, 4. The core rotating shaft sleeve, 5. The first bearing, 6. The motor, 7. The driving gear, 8. The rotating disc support arm, 9. The supporting plate, 10. The floor support foot, 11. The second bearing, 12. The fixed disc, 13. The support disc, 14. The second pressure support bearing, 15. The first adjusting hole, 16. The friction force adjusting piece, 17. The friction block, 18. The first connecting counterbore, 19. The second connecting counterbore, 20. The spring, 21. The second adjusting hole, 22. The suspension support arm, 23. The bolt, 24. The flatness fine adjustment piece. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the technical scheme of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings of the embodiments of the present disclosure.

[0042] The same reference signs in the drawings represent the same components. It should be noted that the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments.

[0043] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present disclosure.

[0044] The utility model discloses a rotating structure and a dining table rotating device, including the core main shaft 1, as Figure 6 Shown, the core main shaft 1 is at vertical angle;

[0045] The first pressure support bearing 2, Figure 5 Show the three-dimensional effect of this first pressure support bearing 2, the first pressure support bearing 2 is movably installed on the core main shaft 1;

[0046] The large gear 3, as Figure 3 , Figure 4 And Figure 6 As shown, the large gear 3 is movably installed on the core main shaft 1, as Figure 6 Shown, the large gear 3 is above the first pressure support bearing 2, and the lower surface of the large gear 3 abuts against the first pressure support bearing 2;

[0047] The core rotating shaft sleeve 4, Figure 5 Show the perspective view of the core rotating shaft sleeve 4, Figure 6 Show that the core rotating shaft sleeve 4 is movably installed on the core main shaft 1, and the first bearing 5 is arranged at the upper end and the lower end in the core rotating shaft sleeve 4 respectively, and the core rotating shaft sleeve 4 is movably connected with the core main shaft 1 through the first bearing 5;

[0048] A motor 6 is fixedly installed on the core main shaft 1, Figure 3 and Figure 6 The motor 6 shaft of the motor 6 is shown as being fixedly connected with a driving gear 7, which is in meshing connection with the large gear 3.

[0049] A turntable support arm 8, Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The turntable support arm 8 is fixedly connected with the core rotating shaft sleeve 4, and the large gear 3 drives the turntable support arm 8.

[0050] The rotating structure and the rotating device of the dining table are characterized in that the core rotating shaft sleeve 4 is installed on the core main shaft 1, and the upper and lower ends of the core rotating shaft sleeve 4 are respectively connected and frame-supported by the first bearing 5. The turntable support arm 8 is installed on the upper surface of the core rotating shaft sleeve 4, so that the strength and stability are greatly improved, and the problem that the existing equipment is prone to shaking when the size is large is solved.

[0051] As shown in Figure 2 、 Figure 3 、 Figure 4 and Figure 6 The core main shaft 1 is fixedly connected with a supporting plate 9, Figure 6 The supporting plate 9 is shown as being at a horizontal angle; Figure 3 The motor 6 is fixedly installed on the supporting plate 9; as shown in Figure 6 The supporting plate 9 is below the first pressure supporting bearing 2; the supporting plate 9, the first pressure supporting bearing 2 and the large gear 3 are respectively at a horizontal angle;

[0052] The lower side of the first pressure supporting bearing 2 abuts against the supporting plate 9, and the upper side of the first pressure supporting bearing 2 abuts against the large gear 3.

[0053] As shown in Figure 6 The core main shaft 1 is movably connected with a second bearing 11, and the large gear 3 is installed on the second bearing 11.

[0054] As shown in Figure 5 and Figure 6As shown, including fixed disc 12 and support disc 13, the fixed disc 12 is fixedly connected with the lower part of the core rotating shaft sleeve 4, and is fixedly connected with the rotating disc support arm 8;The support disc 13 is movably connected or fixedly connected with the upper part of the core rotating shaft sleeve 4, and is fixedly connected with the rotating disc support arm 8.The utility model rotating structure and dining table rotating device, through the setting of fixed disc 12 and support disc 13, the connection stability between core rotating shaft sleeve 4 and rotating disc support arm 8 is further strengthened.

[0055] As shown, Figure 6 Including second pressure support bearing 14, the second pressure support bearing 14 is between the gear 3 and the fixed disc 12;The lower part of the second pressure support bearing 14 abuts the gear 3, and the upper part of the second pressure support bearing 14 abuts the fixed disc 12.

[0056] Further, as shown, Figure 7 The fixed disc 12 has a first adjusting hole 15; Figure 5 And Figure 6 It is shown that it includes friction force adjusting part 16, which is threadedly connected with the first adjusting hole 15;Including friction block 17, Figure 6 It is shown that the friction block 17 is between the gear 3 and the fixed disc 12;The upper part of the friction block 17 has a first connecting counterbore 18, and the lower part of the friction force adjusting part 16 is at least partially located in the first connecting counterbore 18;The friction block 17 abuts the upper surface of the gear 3.The lower part of the friction force adjusting part 16 has a second connecting counterbore 19;Including spring 20, the spring 20 is installed in the second connecting counterbore 19, one end of the spring 20 abuts the friction force adjusting part 16, and the other end of the spring 20 abuts the friction block 17.

[0057] The utility model rotating structure and dining table rotating device, by increasing the friction block 17 and the friction force adjusting part 16, the friction block 17 can abut the gear 3, and the transmission of the rotating disc support arm 8 is realized by the friction between the friction block 17 and the gear 3;In use, the problem that the existing motor can burn is solved;And the force of the friction block 17 adhering to the surface of the gear 3 is more uniform through the spring 20 between the friction force adjusting part 16 and the friction block 17;At the same time, since the friction force adjusting part 16 is threadedly connected with the first adjusting hole 15, the size of the force of the friction force adjusting part 16 pushing the friction block 17 to abut the gear 3 can be realized by rotating the friction force adjusting part 16 clockwise or counterclockwise.

[0058] As shown, Figure 7As shown, the fixed disc 12 has a second adjusting hole 21; including flatness fine adjustment piece 24, the flatness fine adjustment piece 24 is screw-connected in the second adjusting hole 21. Figure 1 、 Figure 3 、 Figure 5 And Figure 6 Respectively show the installation effect of the flatness fine adjustment piece 24, as Figure 6 As shown, the flatness fine adjustment piece 24 can be above the end of the threaded connection between the second adjusting hole 21 exceeds the surface height of the fixed disc 12 or equal to / less than the surface height of the fixed disc 12, as Figure 3 And Figure 6 The utility model discloses a rotating structure and dining table rotating device, the turntable support arm 8 is installed on the upper surface of the fixed disc 12, so that when the turntable support arm 8 is in the case of inclination angle, the flatness fine adjustment piece 24 can be rotated, the upper end of the flatness fine adjustment piece 24 exceeds the surface of the fixed disc 12, so that the upper end of the flatness fine adjustment piece 24 abuts the turntable support arm 24 and lifts the turntable support arm 24, thereby the problem of the turntable support arm 8 being not flat can be solved, and the problem cannot be solved by the prior art.

[0059] The utility model discloses a rotating structure and dining table rotating device further includes the suspension support arm 22, and the suspension support arm 22 is fixedly connected with the movement core main shaft 1 in the rotating structure. Figures 1 to 8 Respectively show that the end of the suspension support arm 22 away from the movement core main shaft 1 is connected with the bolt 23.The utility model discloses a rotating structure and dining table rotating device, by installing the movement core main shaft 1 on the upper surface of the suspension support arm 22, so that when being applied to dining table, the suspension support arm 22 is connected with the frame or table leg of dining table, and the whole structure is in the state of suspension.

[0060] The utility model discloses a rotating structure and dining table rotating device, the lower portion of the movement core main shaft 1 has the ground support leg 10 of movable connection, by the setting of the ground support leg 10, so that further improve stability.

[0061] The "first", "second" and similar words used in the specification and claims do not represent any order, quantity or importance, but are only used to distinguish different components. Similarly, "one", "a" or "the" and similar words do not represent a quantity limit, but represent the existence of at least one. "Including" or "containing" and similar words mean that the elements or objects appearing before "including" or "containing" cover the elements or objects listed after "including" or "containing" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0062] The above is only a preferred embodiment of the present application, and does not limit the present application, and the protection scope of the present application is defined by the appended claims. For those skilled in the art, other embodiments can be obtained according to the drawings without creative labor, and any modification based on the claims of the present application is within the protection scope of the present application.

Claims

1. A rotating structure, characterized in that, include: The main spindle of the movement is at a vertical angle; A first pressure support bearing is movably mounted on the main spindle of the movement; A large gear is movably mounted on the main shaft of the movement, the large gear is located above the first pressure support bearing, and the lower surface of the large gear abuts against the first pressure support bearing; A movement rotating bushing is movably mounted on the movement main shaft. The upper and lower ends of the movement rotating bushing are respectively provided with first bearings, and the movement rotating bushing and the movement main shaft are movably connected through the first bearings. The motor is fixedly mounted on the main shaft of the mechanism, and the motor shaft has a fixedly connected drive gear, which meshes with the large gear. A turntable support arm is fixedly connected to the rotating shaft sleeve of the mechanism; the large gear drives the turntable support arm.

2. The rotating structure according to claim 1, characterized in that, The main shaft of the mechanism has a fixedly connected support plate, which is at a horizontal angle; the motor is fixedly mounted on the support plate; the support plate is located below the first pressure support bearing; the support plate, the first pressure support bearing, and the large gear are all at a horizontal angle. The first pressure support bearing abuts against the support plate at its lower part, and the first pressure support bearing abuts against the large gear at its upper part.

3. The rotating structure according to claim 2, characterized in that, The main spindle of the movement has a movable floor support foot below it.

4. The rotating structure according to claim 1, characterized in that, The main shaft of the mechanism has a second bearing that is movably connected, and the large gear is mounted on the second bearing.

5. The rotating structure according to claim 1 or 2, characterized in that, It includes a fixed plate and a support plate. The fixed plate is fixedly connected to the lower part of the rotating shaft sleeve of the movement and to the turntable support arm. The support plate is movably or fixedly connected to the upper part of the rotating shaft sleeve of the movement and to the turntable support arm.

6. The rotating structure according to claim 5, characterized in that, It includes a second pressure support bearing, which is located between the large gear and the fixed disk; the lower part of the second pressure support bearing abuts against the large gear, and the upper part of the second pressure support bearing abuts against the fixed disk.

7. The rotating structure according to claim 5, characterized in that, The fixed plate has a first adjustment hole; It includes a friction adjustment component, which is threadedly connected to the first adjustment hole; Includes a friction block positioned between the large gear and the fixed disc; The friction block has a first connecting countersunk hole on its upper surface, and the friction force adjusting member is at least partially located within the first connecting countersunk hole on its lower surface; the friction block abuts against the upper surface of the large gear.

8. The rotating structure according to claim 7, characterized in that, The friction adjusting component has a second connecting countersunk hole at its lower part; it includes a spring, which is installed in the second connecting countersunk hole, with one end of the spring abutting against the friction adjusting component and the other end of the spring abutting against the friction block.

9. The rotating structure according to claim 5, characterized in that, The fixed plate has a second adjustment hole; it includes a flatness fine-tuning component, which is threadedly connected to the second adjustment hole.

10. A dining table rotating device, characterized in that, The rotating structure includes any one of claims 1 to 9, and further includes a suspension arm fixedly connected to the main shaft of the mechanism in the rotating structure.