A concealed rotary variable-diameter dining table

Abstract

The present invention provides a hidden rotating variable-diameter dining table, comprising the following structure: a control panel, on which a display panel and control buttons are respectively fixed; a magnetic induction switch, which is communicatively connected to a data input port of a controller; a magnet, which cooperates with the magnetic control switch; a mounting plate; a fixed ring, through which the magnetic induction switch cooperates with the magnet assembled on the retaining ring, the controller adjusts the operation of the driving motor and the regulating motor to realize the rotational expansion and rotational folding of the first splicing plate and the second splicing plate in the device, and the rotational ascent and descent of the retaining ring. The structural design is reasonable and convenient for production and use and maintenance. When users require customization of dining tables with different sizes and specifications, it is only necessary to adjust the assembly positions of the magnetic induction switch and the magnet, without having to improve the controller, thereby reducing the production and customization cost of the product.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of dining tables, in particular to a hidden rotary variable-diameter dining table. BACKGROUND

[0002] In use, the traditional round dining table has a limited number of users due to its size specification. To increase the number of users of the dining table, a foldable dining table appears on the market, which can change the size of the table top according to the number of users.

[0003] The existing folding table is difficult to achieve multi-size rapid production of folding tables during production and assembly stage according to the customized size of the user, resulting in single size of the electric folding table purchased by the user on the market.

[0004] The foldable dining table mainly has manual folding treatment and electric folding treatment according to its folding mode. In order to facilitate the use of users, the inventor proposes a hidden rotary variable-diameter dining table, which realizes the electric folding of the dining table and completely stores the spliced table top when not in use, without affecting the appearance of the dining table. SUMMARY

[0005] 1. Problem to be solved by the application

[0006] The present application provides a hidden rotary variable-diameter dining table to solve the problem of difficulty in multi-size rapid production of existing electric dining tables mentioned in the background.

[0007] 2. Technical scheme

[0008] To achieve the above purpose, the technical scheme provided by the present application is as follows: a hidden rotary variable-diameter dining table comprising the following structure:

[0009] A control panel is further provided with a display panel and control buttons.

[0010] A magnetic induction switch is in communication connection with the data input port of the controller.

[0011] A magnet cooperates with the magnetic control switch.

[0012] An installation plate is provided with upper and lower connecting rods at the top and bottom at equal intervals, and a table top is fixed on the top of the installation plate.

[0013] A fixed ring is fixedly connected with the outside of the magnetic control switch, and a connecting rod is fixedly arranged on the inside of the fixed ring at equal intervals.

[0014] Further, the control panel is respectively provided with a power conversion module, a power failure memory module and a controller, and the power failure memory module is designed based on Faraday capacitor to maintain the circuit state.

[0015] Further, the top portions of two adjacent connecting rods are respectively provided with first sliding rails and second sliding rails.

[0016] The top portion of the first sliding rail is slidably connected with a first sliding seat, the top end of the first sliding seat is fixedly provided with a first tabletop panel, the rear end of the first tabletop panel is movably connected with the front end of the upper connecting rod, and the top portion of the first tabletop panel is fixedly provided with a first splicing panel.

[0017] The top portion of the second sliding rail is slidably connected with a second sliding seat, the top portion of the second sliding seat is fixedly provided with a second tabletop panel, the rear end of the second tabletop panel is movably connected with the front end of the lower connecting rod, the top portion of the second tabletop panel is fixedly provided with a mounting rod, and the top portion of the mounting rod is sleeved with the rear end of a second splicing panel.

[0018] Further, the inner side of the fixed ring is fixedly provided with guide frames at equal intervals, the outer side of the guide frame is fixedly provided with a guide sliding groove, the outer side of the guide frame is slidably connected with a guide seat, the top portion of the guide seat is fixedly connected with the bottom surface of the second splicing panel, and the guide sliding groove is slidably connected with the bottom end of the guide seat.

[0019] Further, the support is further provided with a support ring movably connected with the middle portion of the support, a gear ring movably connected with the top portion of the support ring, a flat gear fixedly provided on the output end of the driving motor, and a mounting ring fixedly connected with the bottom portion of the connecting rod.

[0020] Further, the support ring is further provided with a retaining ring abutting against the bottom portion of the tabletop, a magnet adhered to the inner side of the retaining ring, a limiting sliding groove fixedly provided on the inner side of the retaining ring, a first push rod fixedly connected with the inner side of the retaining ring, a second push rod movably connected with the bottom end of the first push rod, an adjusting motor fixedly connected with the top end of the second push rod, and the adjusting motor electrically connected with the output end of the controller.

[0021] Further, the outer side of the fixed ring is fixedly provided with a guide wheel matched with the limiting sliding groove.

[0022] Further, the first splicing panel and the second splicing panel are staggered and stacked below the tabletop, the inner side of the first splicing panel and the second splicing panel is fixedly provided with a first electric heating film, and the first electric heating film is electrically connected with the controller.

[0023] Further, the tabletop is internally provided with a second electric heating film, and the second electric heating film is electrically connected with the controller.

[0024] The use method of the hidden rotary variable-diameter dining table is specifically as follows:

[0025] S1. The controller and the driving motor work, drive the fixed ring and the connecting rod to rotate through the gear ring and the mounting ring, the fixed ring drives the guard ring through the guide wheel, the controller cooperates with the adjusting motor, and the guard ring is driven to descend and rise outside the fixed ring through the first push rod and the second push rod.

[0026] S2. The connecting rod drives the first sliding rail and the second sliding rail to rotate, wherein the first sliding block cooperates with the upper connecting rod to change the radial working position of the first splicing plate on the fixed ring, and the second sliding block cooperates with the lower connecting rod to change the radial working position of the second splicing plate on the fixed ring.

[0027] S3. The guide frame, the guide sliding groove, the guide seat and the mounting rod cooperate to change the axial working position of the second splicing plate on the fixed ring.

[0028] S4. The cooperation of the fiberization handle and the guide wheel, the controller cooperates with the adjusting motor, and the guard ring is driven to descend and rise outside the fixed ring through the first push rod and the second push rod, and the top of the guard ring is respectively in contact with and disconnected from the bottom of the first splicing plate and the second splicing plate.

[0029] 3. Beneficial effects

[0030] Compared with the prior art, the technical scheme provided by the present application has the following beneficial effects:

[0031] The present application provides a hidden rotary variable-diameter dining table, which cooperates with the magnet assembled on the guard ring through the magnetic induction switch, adjusts the working of the driving motor and the adjusting motor through the controller to realize the rotary unfolding and rotary folding of the first splicing plate and the second splicing plate in the device, and the rotary rising and rotary descending of the guard ring. The structure design is reasonable, convenient for production and use and maintenance, and when the user proposes the customization demand of the dining table of different size specifications, only the assembly position of the magnetic induction switch and the magnet needs to be adjusted, without improving the controller, thereby reducing the production and customization cost of the product, and facilitating the on-site installation, debugging, use and maintenance of the product, and greatly improving the use convenience of the product.

[0032] The present application provides a hidden rotary variable-diameter dining table, in the folding process of the first splicing plate and the second splicing plate, the guard ring rotates downward to leave a movement space for the folding and storage of the second splicing plate and the first splicing plate, and after the folding and storage of the first splicing plate and the second splicing plate are completed, the guard ring rotates upward to provide support and protection for the table plate, and the first splicing plate and the second splicing plate and other structures are shielded inside the guard ring, thereby maintaining the appearance neatness of the dining table.

[0033] The application provides a hidden rotary variable-diameter dining table, when a user proposes a customization requirement, the size of a first splicing plate, a second splicing plate and a table plate is adjusted according to the user customization requirement, the inventory pressure of parts required by production of the product is reduced, and the production convenience of the product is improved and the maintenance difficulty is reduced.

[0034] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a perspective view of the novel structure of the application;

[0036] Figure 2 It is a perspective view of the novel first splicing plate structure of the application;

[0037] Figure 3 It is a perspective view of the novel retainer structure of the application;

[0038] Figure 4 It is a perspective view of the novel fixing ring structure of the application;

[0039] Figure 5 It is an explosion view of the novel fixing ring structure of the application;

[0040] Figure 6 It is a circuit block diagram of the electric dining table of the application.

[0041] REFERENCE NUMERALS

[0042] Control panel-1;

[0043] Magnetic induction switch-2;

[0044] Magnet-3;

[0045] Mounting plate-4; upper connecting rod-41; lower connecting rod-42; table plate-43;

[0046] Fixing ring-5; connecting rod-51; first sliding rail-52; first sliding seat-52a; first table plate-52b; first splicing plate-52c; second sliding rail-53; second sliding seat-53a; second table plate-53b; mounting rod-53c; second splicing plate-53d; guide seat-53e; guide frame-54; guide sliding groove-55; guide wheel-56;

[0047] Support-6; driving motor-61; flat gear-62; support ring-63; tooth ring-64; mounting ring-65;

[0048] Retainer-7; limiting sliding groove-71; first push rod-72; second push rod-73; adjusting motor-74. DETAILED DESCRIPTION

[0049] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0050] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be an element in the middle; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be an element in the middle; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains; the terms used herein in the specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more of the associated listed items. Example

[0052] Reference Figures 1-6 , a hidden rotating variable diameter dining table, including the following structure:

[0053] The control panel 1 is also provided with a display panel and control buttons.

[0054] The magnetic induction switch 2 is communicatively connected to the data input port of the controller.

[0055] Magnet 3, magnet 3 cooperates with the magnetic control switch.

[0056] The mounting plate 4 has upper connecting rods 41 and lower connecting rods 42 fixed at equal intervals on the top and bottom of the mounting plate 4 , and a table top 43 fixed on the top of the mounting plate 4 .

[0057] The outer side of the fixing ring 5 is fixedly connected to the outer side of the magnetic control switch, and the inner side of the fixing ring 5 is fixed with connecting rods 51 at equal intervals.

[0058] In this embodiment, Figure 3 As shown, the control board 1 is equipped with a power conversion module, a power failure memory module, and a controller. The power failure memory module is designed based on a Faraday capacitor to maintain the circuit state.

[0059] The power supply change module selects the existing mature circuit voltage stabilizing module on the market, and the power-off memory module is designed to avoid power failure during the folding and unfolding process of the dining table, and to avoid interruption of the folding or unfolding operation after the power is restored.

[0060] In this embodiment, as shown in Figure 3 、 Figure 4 and Figure 5 , the top of the two adjacent connecting rods 51 is respectively provided with a first sliding rail 52 and a second sliding rail 53.

[0061] The first sliding rail 52 and the second sliding rail 53 are arranged alternately on the connecting rod 51 inside the fixing ring 5, the first splicing plate 52c and the second splicing plate 53d are arranged alternately, the first splicing plate 52c and the second splicing plate 53d are staggered up and down, and the space occupied by the first splicing plate 52c and the second splicing plate 53d in the guard ring 7 is reduced.

[0062] The top of the first sliding rail 52 is slidably connected with a first sliding seat 52a, the top end of the first sliding seat 52a is fixedly provided with a first table panel, the rear end of the first table panel is movably connected with the front end of the upper connecting rod 41, and the top of the first table panel is fixedly provided with a first splicing plate 52c.

[0063] The cooperation of the first sliding rail 52 and the first sliding seat 52a, the cooperation of the fixing ring 5 and the connecting rod 51 drives the first sliding rail 52 to rotate outside the mounting plate 4, through the cooperation of the first table panel and the upper connecting rod 41, the movement of the first sliding seat 52a on the first sliding rail 52 is realized, and the contraction and expansion of the first splicing plate 52c are completed in cooperation with the first mounting seat.

[0064] The top of the second sliding rail 53 is slidably connected with a second sliding seat 53a, the top of the second sliding seat 53a is fixedly provided with a second table panel, the rear end of the second table panel is movably connected with the front end of the lower connecting rod 42, the top of the second table panel is fixedly provided with a mounting rod 53c, and the top of the mounting rod 53c is sleeved with the rear end of the second splicing plate 53d.

[0065] The cooperation of the second sliding rail 53 and the second sliding seat 53a, the cooperation of the fixing ring 5 and the connecting rod 51 drives the second sliding rail 53 to rotate outside the mounting plate 4, through the cooperation of the second table panel and the lower connecting rod 42, the movement of the second sliding seat 53a on the second sliding rail 53 is realized, and the contraction and expansion of the second splicing plate 53d are completed in cooperation with the design and use of the mounting rod 53c.

[0066] In this embodiment, as shown in Figure 3 、 Figure 4 and Figure 5As shown, the inner side of the fixed ring 5 is equidistantly and fixedly provided with a guide frame 54, the outer side of the guide frame 54 is fixedly provided with a guide sliding groove 55, the outer side of the guide frame 54 is slidingly connected with a guide seat 53e, the top of the guide seat 53e is fixedly connected with the bottom surface of the second splicing plate 53d, and the guide sliding groove 55 is slidingly connected with the bottom end of the guide seat 53e.

[0067] Since the second splicing plate 53d is below the first splicing plate 52c, the guide frame 54 and the guide sliding groove 55 need to be provided, the guide seat 53e is assembled with the second splicing plate 53d, the movement of the mounting rod 53c to the second splicing plate 53d is guided through the cooperation of the guide sliding groove 55 and the guide seat 53e, and the lifting when the second splicing plate 53d extends outward and the lowering when the second splicing plate 53d retracts inward are realized.

[0068] In the embodiment, as shown in Figure 3 , Figure 4 and Figure 5 , the support 6 is further included, the top of the support 6 is fixedly provided, the middle of the support 6 is fixedly connected with a driving motor 61, the driving motor 61 is electrically connected with the output end of the controller, the output end of the driving motor 61 is fixedly provided with a flat gear 62, the middle of the support 6 is movably connected with a supporting ring 63, the top of the supporting ring 63 is movably connected with a tooth ring 64, the outer side of the tooth ring 64 is engaged with the outer side of the flat gear 62, the top of the tooth ring 64 is fixedly connected with a mounting ring 65, and the top of the mounting ring 65 is fixedly connected with the bottom of the connecting rod 51.

[0069] The driving motor 61 drives the tooth ring 64 and the mounting ring 65 to rotate on the top of the supporting ring 63 through the flat gear 62, the movement of the fixed ring 5 to drive the first sliding rail 52 and the second sliding rail 53 is completed through the connection of the mounting ring 65 and the connecting rod 51, the unfolding and folding storage of the first splicing plate 52c and the second splicing plate 53d are realized, the overall structural design is reasonable, and the production and processing can be carried out according to the customization demand of the user.

[0070] In the embodiment, as shown in Figure 3 , the retainer 7 is further included, the top of the retainer 7 abuts against the bottom of the table plate 43, the inner side of the retainer 7 is bonded with the outer side of the magnet 3, the inner side of the retainer 7 is fixedly provided with a limiting sliding groove 71, the inner side of the retainer 7 is fixedly connected with a first push rod 72, the bottom end of the first push rod 72 is movably connected with a second push rod 73, the top end of the second push rod 73 is fixedly connected with an adjusting motor 74, the bottom of the adjusting motor 74 is fixedly connected with the outer side of the fixed ring 5, and the adjusting motor 74 is electrically connected with the output end of the controller.

[0071] The adjusting motor 74 drives the retainer 7 to rotate on the outer side of the fixed ring 5 through the cooperation of the first push rod 72 and the second push rod 73, and the rotating lifting and rotating lowering of the retainer 7 on the outer side of the fixed ring 5 are completed through the cooperation of the supporting roller and the limiting sliding groove 71.

[0072] The guard ring 7 rotates downward on the outside of the fixed ring 5, facilitating the rotation and unfolding of the second splicing plate 53d from the inside of the device. After the first splicing plate 52c and the second splicing plate 53d are unfolded, the guard ring 7 rotates upward to provide support and protection for the first splicing plate 52c and the second splicing plate 53d.

[0073] During folding, the guard ring 7 rotates downward to provide space for the folding and storage of the second splicing plate 53d and the first splicing plate 52c. After the first splicing plate 52c and the second splicing plate 53d are folded and stored, the guard ring 7 rotates upward to provide support and protection for the table plate 43, hiding the first splicing plate 52c and the second splicing plate 53d and other structures inside the guard ring 7, maintaining the cleanliness of the dining table.

[0074] In this embodiment, as shown in Figure 3 , Figure 4 and Figure 5 , the outer side of the fixed ring 5 is fixed with a guide wheel 56, which cooperates with a limiting sliding groove 71.

[0075] The design of the guide wheel 56 and the limiting sliding groove 71 realizes the rotation guidance of the guard ring 7 on the outside of the fixed ring 5, completing the rotation upward or downward guidance of the guard ring 7.

[0076] In this embodiment, as shown in Figure 1 and Figure 2 , the first splicing plate 52c and the second splicing plate 53d are stacked alternately below the table plate 43, and the inner side of the first splicing plate 52c and the second splicing plate 53d is fixed with a first electric heating film, which is electrically connected with the controller.

[0077] The design of the first splicing plate 52c and the second splicing plate 53d provides a double-layer dining table for users after unfolding, and the overall structure is reasonably designed for convenient use and maintenance.

[0078] In this embodiment, as shown in Figure 1 , the table plate 43 is internally provided with a second electric heating film, which is electrically connected with the controller.

[0079] A method for using a hidden rotary variable-diameter dining table, the specific operation method is as follows:

[0080] S1. The controller and the drive motor 61 work, driving the fixed ring 5 and the connecting rod 51 through the gear ring 64 and the mounting ring 65, the guard ring 7 is driven by the fixed ring 5 cooperating with the guide wheel 56, the controller cooperates with the adjusting motor 74, and the guard ring 7 is driven downward and upward on the outside of the fixed ring 5 by the first push rod 72 and the second push rod 73.

[0081] S2. The first slide rail 52 and the second slide rail 53 are driven by the connecting rod 51, wherein the first slide seat 52a cooperates with the upper connecting rod 41 to change the radial working position of the first splicing plate 52c on the fixing ring 5, and the second slide seat 53a cooperates with the lower connecting rod 42 to change the radial working position of the second splicing plate 53d on the fixing ring 5.

[0082] S3. The guide bracket 54, the guide chute 55, the guide seat 53e and the mounting rod 53c cooperate to change the axial working position of the second splicing plate 53d on the fixing ring 5.

[0083] S4. The cooperation of the fiberization handle and the guide wheel 56, and the cooperation of the controller and the adjusting motor 74 drive the retainer ring 7 to descend and ascend outside the fixing ring 5 by means of the first push rod 72 and the second push rod 73, and the top of the retainer ring 7 respectively abuts against and disconnects from the bottom of the first splicing plate 52c and the second splicing plate 53d.

[0084] In the embodiment:

[0085] The cooperation of the magnetic induction switch 2 and the magnet 3 assembled on the retainer ring 7 adjusts the working of the driving motor 61 and the adjusting motor 74 to realize the rotation unfolding and rotation folding of the first splicing plate 52c and the second splicing plate 53d in the device, and the rotation ascending and rotation descending of the retainer ring 7. The structure design is reasonable, convenient for production and use and maintenance, and when the user proposes the customization demand of the dining table of different size specifications, only the assembly position of the magnetic induction switch 2 and the magnet 3 needs to be adjusted, without improving the controller, which reduces the production customization cost of the product, and at the same time, it is convenient for on-site installation, debugging and use and maintenance of the product, and greatly improves the use convenience of the product.

[0086] When the user proposes the customization demand, the size of the first splicing plate 52c, the second splicing plate 53d and the table plate 43 is adjusted according to the user's customization demand, which reduces the inventory pressure of the parts required for the production of the product, improves the production convenience of the product and reduces the maintenance difficulty.

[0087] During the folding process of the first splicing plate 52c and the second splicing plate 53d, the retainer ring 7 rotates downward, leaving a movement space for the folding and storage of the second splicing plate 53d and the first splicing plate 52c, and after the first splicing plate 52c and the second splicing plate 53d are folded and stored, the retainer ring 7 rotates upward to provide support and protection for the table plate 43, and the first splicing plate 52c and the second splicing plate 53d are hidden inside the retainer ring 7, maintaining the neatness of the appearance of the dining table.

[0088] The above-described embodiments only express some implementation manners of the present application, which are described in a more specific and detailed manner, but should not be understood as a limitation on the patent scope of the present application; it should be noted that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application; therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A hidden rotating and variable diameter dining table, characterized by: Includes the following structure: A control panel (1), wherein a display panel and control buttons are fixedly provided on the control panel (1); A magnetic induction switch (2), the magnetic induction switch (2) being communicatively connected to a data input port of the controller; A magnet (3), wherein the magnet (3) cooperates with the magnetic control switch; A mounting plate (4), wherein an upper connecting rod (41) and a lower connecting rod (42) are fixedly provided at equal intervals on the top and bottom of the mounting plate (4), and a table top (43) is fixedly provided on the top of the mounting plate (4); A fixed ring (5), the outer side of the fixed ring (5) being fixedly connected to the outer side of the magnetic control switch, and connecting rods (51) being fixedly provided at equal intervals on the inner side of the fixed ring (5); The control board (1) is provided with a power conversion module, a power failure memory module, and a controller respectively. The power failure memory module is designed based on a Faraday capacitor and is used to maintain the circuit state.

2. The hidden rotating and variable diameter dining table according to claim 1, characterized in that: A first slide rail (52) and a second slide rail (53) are fixedly provided on the tops of the two adjacent connecting rods (51), respectively; The top of the first slide rail (52) is slidably connected to a first slide seat (52a), a first desktop panel is fixedly provided at the top of the first slide seat (52a), a rear end of the first desktop panel is movably connected to the front end of the upper connecting rod (41), and a first splicing plate (52c) is fixedly provided at the top of the first desktop panel; The top of the second slide rail (53) is slidably connected to a second slide seat (53a), the top of the second slide seat (53a) is fixedly provided with a second desktop panel, the rear end of the second desktop panel is movably connected to the front end of the lower connecting rod (42), the top of the second desktop panel is fixedly provided with a mounting rod (53c), and the top of the mounting rod (53c) is sleeved with the rear end of the second splicing plate (53d).

3. The hidden rotating and variable diameter dining table according to claim 1, characterized in that: A guide frame (54) is fixedly provided at equal intervals on the inner side of the fixed ring (5), a guide slot (55) is fixedly provided on the outer side of the guide frame (54), a guide seat (53e) is slidably connected to the outer side of the guide frame (54), the top of the guide seat (53e) is fixedly connected to the bottom surface of the second splicing plate (53d), and the guide slot (55) is slidably connected to the bottom end of the guide seat (53e).

4. The hidden rotating and variable diameter dining table according to claim 1, characterized in that: The invention also includes a bracket (6), the top of the bracket (6) is fixedly provided with a drive motor (61) fixedly connected to the middle of the bracket (6), the drive motor (61) is electrically connected to the output end of the controller, the output end of the drive motor (61) is fixedly provided with a flat gear (62), the middle of the bracket (6) is movably connected to a support ring (63), the top of the support ring (63) is movably connected to a gear ring (64), the outer side of the gear ring (64) is meshed with the outer side of the flat gear (62), the top of the gear ring (64) is fixedly connected to a mounting ring (65), and the top of the mounting ring (65) is fixedly connected to the bottom of the connecting rod (51).

5. The hidden rotating and variable diameter dining table according to claim 1, characterized in that: The invention also includes a guard ring (7), the top of the guard ring (7) contacts the bottom of the table top (43), the inner side of the guard ring (7) is bonded to the outer side of the magnet (3), the inner side of the guard ring (7) is fixedly provided with a limiting slide groove (71), the inner side of the guard ring (7) is fixedly connected to a first push rod (72), the bottom end of the first push rod (72) is movably connected to a second push rod (73), the top end of the second push rod (73) is fixedly connected to an adjusting motor (74), the bottom of the adjusting motor (74) is fixedly connected to the outer side of the fixing ring (5), and the adjusting motor (74) is electrically connected to the output end of the controller.

6. The hidden rotating and variable diameter dining table according to claim 1, characterized in that: A guide wheel (56) is fixedly provided on the outer side of the fixing ring (5), and the guide wheel (56) cooperates with the limiting sliding groove (71).

7. The hidden rotating and variable diameter dining table according to claim 2, characterized in that: The first splicing plate (52c) and the second splicing plate (53d) are stacked alternately below the table top (43); a first electric heating film is fixedly provided on the inner sides of the first splicing plate (52c) and the second splicing plate (53d); and the first electric heating film is electrically connected to the controller.

8. A hidden rotating and variable diameter dining table according to any one of claims 1 to 7, characterized in that: A second electric heating film is provided on the table top (43), and the second electric heating film is electrically connected to the controller.

9. A method for using a hidden rotating and variable-diameter dining table, applied to a hidden rotating and variable-diameter dining table according to any one of claims 1 to 8, characterized in that: The specific operation method is as follows: S1. The controller and the drive motor (61) work to drive the fixed ring (5) and the connecting rod (51) to rotate through the gear ring (64) and the mounting ring (65). The fixed ring (5) cooperates with the guide wheel (56) to drive the retaining ring (7). The controller cooperates with the adjustment motor (74) to drive the retaining ring (7) to descend and ascend on the outer side of the fixed ring (5) with the help of the first push rod (72) and the second push rod (73); S2. The connecting rod (51) drives the first slide rail (52) and the second slide rail (53) to rotate, wherein the first slide seat (52a) cooperates with the upper connecting rod (41) to change the radial working position of the first splicing plate (52c) on the fixed ring (5), and the second slide seat (53a) cooperates with the lower connecting rod (42) to change the radial working position of the second splicing plate (53d) on the fixed ring (5); S3. The guide frame (54), the guide chute (55), the guide seat (53e) and the mounting rod (53c) cooperate to change the axial working position of the second splicing plate (53d) on the fixing ring (5); S4. The limiting slide groove (71) and the guide wheel (56) cooperate with each other, and the controller cooperates with the regulating motor (74). With the help of the first push rod (72) and the second push rod (73), the retaining ring (7) is driven to descend and ascend on the outer side of the fixed ring (5). The top of the retaining ring (7) respectively contacts and releases the bottom of the first splicing plate (52c) and the second splicing plate (53d).

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