Telescopic table

Abstract

The utility model relates to the technical field of furniture, in particular to a telescopic table which comprises a support, table legs, a rotary lifting assembly, a first table board, a translation assembly and a second table board movably spliced to the side edge of the first table board, the table legs are installed at the bottom of the support, the rotary lifting assembly is installed on the support, and the translation assembly is installed on the second table board. The first table plate is installed at the moving end of the rotary lifting assembly, a containing space for storing the first table plate is formed in the support, the translation assembly is installed on the support, and the first table plate is connected with the sliding end of the translation assembly. The size of the table top can be changed through the rotary lifting assembly and the translation assembly, the structure is compact, and various use scenes of a user can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to furniture technical field more particularly, relate to a telescopic table. BACKGROUND

[0002] The advantages of the telescopic table mainly include space saving, flexibility and multifunction, which can be stretched or contracted according to needs, thereby adapting to different occasions and number of people requirements, and it is especially suitable for small family use.For example, it can be contracted to smaller size normally, and it is stretched out for use when needed, and users can adjust the size of the table according to actual needs, suitable for different number of people dining, compared with fixed size table, due to its ingenious design, it can provide more functions in limited space.

[0003] The telescopic table usually adopts folding or stretching design, and the length of the table top part is added or reduced to realize flexible utilization of space, and many telescopic tables utilize slide rails or hinge structures, and the table top can be smoothly pulled out or retracted, but the height of the table top of the existing telescopic table changes before and after deformation, which brings inconvenience to users, and the structure of part of the telescopic table is complex, and the appearance is affected after deformation. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient that the height of the table top of prior art telescopic table changes before and after unfolding, and provides a telescopic table, the height of the table plate does not change before and after the table top changes, and the user experience is better.

[0005] To achieve the above object, a telescopic table of the scheme, including support, table leg, rotating and lifting assembly, first table plate, translation assembly and second table plate movably spliced on the side of the first table plate, the table leg is installed at the bottom of the support, the rotating and lifting assembly is installed on the support, the first table plate is installed at the moving end of the rotating and lifting assembly, the support has a containing space for storing the first table plate, the translation assembly is installed on the support, and the first table plate is connected with the sliding end of the translation assembly.

[0006] In the technical scheme, when there is only one second table plate, in the folding state, the first table plate is stored in the containing space in the support in a horizontal posture, and the first table plate is completely hidden, so that the appearance of the telescopic table is more beautiful.When it is needed to unfold the telescopic table, first, the second table plate is translated outward through the translation assembly, then the first table plate is lifted to a height higher than that of the second table plate through the rotating and lifting assembly, so as to avoid collision between the first table plate and the second table plates on both sides when the first table plate rotates, then the first table plate is rotated 90° through the rotating and lifting assembly 6, at this time, the first table plate becomes a vertical posture, then the first table plate is lowered to a height equal to that of the second table plate through the rotating and lifting assembly, and finally the second table plate is spliced on the side of the first table plate to form an unfolded state through the translation assembly.

[0007] When there are two second table plates, in the folded state, the two second table plates are spliced, the first table plate is stored in the containing space in the horizontal posture in the support, and the first table plate is completely hidden, so that the appearance of the telescopic table is more beautiful. When it is needed to unfold the telescopic table, first, the two second table plates are respectively translated to the left and right sides through the support translation assembly, the first table plate is located between the two second table plates, the rotation lifting assembly first lifts the first table plate to a height higher than that of the second table plate, so as to avoid collision between the first table plate and the second table plates on both sides when the first table plate rotates, and then the first table plate is rotated by 90°, at this time, the first table plate becomes a longitudinal posture, and then the first table plate is lowered to be equal to the height of the second table plate through the rotation lifting assembly, at this time, the two side edges of the first table plate correspond to the spliced edges of the two second table plates respectively, and finally the two second table plates on both sides are spliced on both sides of the first table plate to form an unfolded state through the translation assembly. The use height of the table top before and after unfolding does not change, and the user experience is better.

[0008] As a preferred scheme, the translation assembly and the second table plate are respectively provided with two, the two translation assemblies are respectively installed on the two sides of the support, the rotation lifting assembly is arranged in the middle of the support, the position of the containing space corresponds to the position of the rotation lifting assembly, each second table plate is arranged at the two ends of the support, and the two sides of each second table plate are respectively connected with the sliding ends of the translation assembly.

[0009] As a preferred scheme, in order to facilitate the translation of the second table plate, the two sides of the support are respectively fixed with cross beams, each translation assembly is arranged on the cross beam, each translation assembly respectively includes a first sliding rail and a plurality of first sliding blocks, the first sliding rail is connected with the cross beam, and the plurality of first sliding blocks are respectively slidably connected on the first sliding rail, and the bottom of the second table plate is connected with the first sliding block.

[0010] As a preferred scheme, in order to facilitate the use of the user, a first driving device is installed on each cross beam, the power output end of each first driving device is connected with each first sliding block, and the second table plate can be automatically translated through the first driving device.

[0011] As a preferred scheme, in order to make the two second table plates move synchronously, the two ends of each of the cross beams are rotatably connected with first guide wheels, a first synchronous belt corresponding to the position of the first slide rail is arranged around the two first guide wheels, the power output end of the first driving device is connected with the middle part of the first synchronous belt to drive the first synchronous belt to rotate circularly, one of the first slide blocks connected with the second table plates is connected with one side of the first synchronous belt, and the other first slide block connected with the second table plates is connected with the other side of the first synchronous belt, the first driving device is arranged in the middle of the first synchronous belt to make the power be uniformly output to both sides, the first synchronous belt rotates clockwise or counterclockwise under the driving of the first driving device, if the left first slide block is connected with the lower side of the first synchronous belt and the right first slide block is connected with the upper side of the first synchronous belt, when the first synchronous belt rotates clockwise, the first slide blocks on the left and right sides slide outward respectively to drive the two second table plates to extend outward, and when the first synchronous belt rotates counterclockwise, the first slide blocks on the left and right sides slide inward respectively to drive the two second table plates to retract inward, so as to realize the synchronous movement of the two second table plates.

[0012] As a preferred scheme, the accommodating space is arranged between the two cross beams, and the width of the first table plate is smaller than the distance between the two cross beams, so that the first table plate is stored in a transverse posture between the two cross beams in the folded state, the first table plate is hidden and stored, the space is reasonably utilized, the structure is more compact, and the overall appearance of the telescopic table is improved.

[0013] As a preferred scheme, in order to lift and rotate the first table plate, the rotating lifting assembly comprises a lifting structure and a rotating structure, the lifting structure comprises a screw rod, a second slide rail, two second slide blocks and two connecting rods, the screw rod is rotatably connected to the support through a mounting seat, the second slide rail is arranged on the support and corresponds to the position of the screw rod, the two second slide blocks are slidably connected to the two ends of the second slide rail respectively, the left and right sections of the screw rod are oppositely threaded, the two second slide blocks are respectively provided with threaded holes matched with the two sections of threads of the screw rod, the two second slide blocks are threadedly connected with the screw rod respectively, the bottoms of the two connecting rods are rotatably connected with the two second slide blocks respectively, the tops of the two connecting rods are rotatably connected with the bottom of the rotating structure respectively, the rotating structure comprises a base and a rotating disc, the bottom of the base is connected with the top of the lifting structure, and the rotating disc is rotatably arranged on the top of the base, the first table plate is connected with the rotating disc, and when the screw rod is rotated, the second slide blocks on the left and right sides thereof are driven to move away from or close to each other, so as to drive the bottoms of the two connecting rods to move away from or close to each other, thereby realizing the descending or ascending of the rotating structure.

[0014] As a preferred scheme, in order to ensure the balance of the first table board, the lifting structure is provided with four, the four lifting structures are respectively arranged at the bottom of the four corners of the rotating structure, the screw rods in the two lifting structures on the same side are connected in head-to-tail mode, the screw rods on the two sides are respectively fixed with second guide wheels at one end, the second synchronous belts are wound on the two second guide wheels, the second driving device for driving the screw rods to rotate is arranged on the support, and the power output end of the second driving device is connected with the other end of the screw rod on one side, so that the automatic lifting of the rotating structure can be realized under the driving of the second driving device, meanwhile, the lifting height of the four rotating lifting assemblies can be kept consistent through the second synchronous belts, thereby ensuring that the first table board keeps a horizontal posture.

[0015] As a preferred scheme, in order to realize the automatic rotation of the first table board and enable the first table board to switch between the horizontal direction and the vertical direction, the third driving device is arranged on the base, and the power output end of the third driving device is connected with the rotating disc to drive the rotating disc to rotate.

[0016] As a preferred scheme, in order to keep the edges of the first table board and the second table board aligned when splicing, the splicing sides of the first table board and the second table board are respectively provided with limiting devices, one of the limiting devices is provided with a limiting pin, and the other limiting device is provided with a limiting hole matched with the limiting pin, and when the first table board and the second table board are spliced, the limiting pin is inserted into the limiting hole.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The utility model discloses a telescopic table, which comprises a base, a rotating structure arranged on the base, a first table board arranged on the rotating structure, a second table board arranged on the base, a first driving device arranged on the base and connected with the rotating structure, a second driving device arranged on the rotating structure and connected with the first table board, a third driving device arranged on the base and connected with the second table board, a first synchronous belt wound on the first driving device and the rotating structure, a second synchronous belt wound on the second driving device and the first table board, and a support arranged on the base and connected with the second table board.

[0019] 2. In the folded state, the first table board is hidden and stored in the containing space in the support, the edge of the first table board does not protrude outward, the space utilization rate is high, the structure is more compact, and the telescopic table is more beautiful.

[0020] 3. The utility model discloses a telescopic table, which comprises a base, a rotating structure arranged on the base, a first table board arranged on the rotating structure, a second table board arranged on the base, a first driving device arranged on the base and connected with the rotating structure, a second driving device arranged on the rotating structure and connected with the first table board, a third driving device arranged on the base and connected with the second table board, a first synchronous belt wound on the first driving device and the rotating structure, a second synchronous belt wound on the second driving device and the first table board, and a support arranged on the base and connected with the second table board.

[0021] 4. The utility model discloses a telescopic table, which comprises a base, a rotating structure arranged on the base, a first table board arranged on the rotating structure, a second table board arranged on the base, a first driving device arranged on the base and connected with the rotating structure, a second driving device arranged on the rotating structure and connected with the first table board, a third driving device arranged on the base and connected with the second table board, a first synchronous belt wound on the first driving device and the rotating structure, a second synchronous belt wound on the second driving device and the first table board, and a support arranged on the base and connected with the second table board.

[0022] 5. The first table board and the second table board are kept in alignment by the limiting device of the first table board and the second table board when splicing. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is an exploded schematic view of the telescopic table of the utility model;

[0024] Figure 2 is an enlarged schematic view of part A in the figure; Figure 1

[0025] Figure 3 is a structural schematic view of the rotary lifting assembly;

[0026] Figure 4 is a schematic view of the telescopic table of the utility model in an unfolded state;

[0027] Figure 5 is an enlarged schematic view of part B in the figure; Figure 4

[0028] Figure 6 is a schematic view of the telescopic table of the utility model in a folded state;

[0029] Figure 7 is a position schematic view of the first table board in a folded state;

[0030] Figure 8 is a position schematic view of the first table board in an unfolded state.

[0031] In the figure: first table board 1; second table board 2; support arm 21; support 3; cross beam 31; table leg 4; translation assembly 5; first slide rail 51; first slide block 52; first driving device 53; first guide wheel 54; first synchronous belt 55; rotary lifting assembly 6; screw rod 61; second slide rail 62; second slide block 63; connecting rod 64; second guide wheel 65; second synchronous belt 66; second driving device 67; base 68; turntable 69; third driving device 610; limiting device 7; limiting pin 71; limiting hole 72; accommodating space 8. DETAILED DESCRIPTION

[0032] The drawings are only used for exemplary illustration and cannot be understood as a limitation to the patent; in order to better illustrate the embodiment, some components in the drawings can be omitted, enlarged or reduced and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted. The position relationship described in the drawings is only used for exemplary illustration and cannot be understood as a limitation to the patent.

[0033] ​​The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "long", "short" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, therefore, the terms describing the positional relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, and for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0034] The technical scheme of the present application will be further specifically described below by means of specific embodiments and in conjunction with the drawings:

[0035] Embodiment 1:

[0036] As shown in the drawings, Figures 1 to 4 , Figures 6 to 8 The present embodiment provides a telescopic table, which comprises a support 3, a table leg 4, a rotating lifting assembly 6, a first table plate 1, a translation assembly 5, and a second table plate 2 movably spliced on the side edge of the first table plate 1, the table leg 4 is installed at the bottom of the support 3, the rotating lifting assembly 6 is installed on the support 3, the first table plate 1 is installed on the moving end of the rotating lifting assembly 6, the support 3 has a containing space 8 for storing the first table plate 1, the translation assembly 5 is installed on the support 3, and the first table plate 1 is connected with the sliding end of the translation assembly 5.

[0037] In the present embodiment, the second table plate 2 can be one or two, the first table plate 1 can rotate by 90 degrees and lift, and in the initial stage, it can be horizontally placed in the containing space 8, in the initial stage, the first table plate 1 is hidden in the support 3 and its edge is not exposed, so that the appearance of the telescopic table of the present application is more beautiful.

[0038] Specifically, as shown in the drawings, Figure 1 The translation assembly 5 and the second table plate 2 are provided with two respectively, the two translation assemblies 5 are installed on the two sides of the support 3, the rotating lifting assembly is provided in the middle of the support, each second table plate 2 is provided at the two ends of the support 3, and the two sides of each second table plate 2 are connected with the sliding end of the translation assembly 5 respectively.

[0039] In the present embodiment, after the second table plate 2 is translated to the two outer sides respectively, the first table plate 2 can pass through under the driving of the rotating lifting assembly 6.

[0040] Specifically, as shown in the drawings, Figure 1As shown, the two sides of the support 3 are respectively fixed with cross beams 31, each of the translation assemblies 5 is arranged on the cross beam 31, each of the translation assemblies 5 respectively comprises a first sliding rail 51 and a plurality of first sliding blocks 52, the first sliding rail 51 is connected with the cross beam 31, the plurality of first sliding blocks 52 are respectively slidably connected on the first sliding rail 51, and the bottom of the second table plate 2 is connected with the first sliding block 52.

[0041] In the embodiment, the bottom of each second table plate 2 is respectively provided with a support arm 21, each support arm 21 is respectively connected with the first sliding block 52, and a pulley is further arranged on the first sliding block 52 to reduce the friction between the first sliding block 52 and the first sliding rail 51, so that the movement of the second table plate 2 is more smooth.

[0042] Specifically, as shown in Figure 1 , 3 , 4, the accommodating space 8 is arranged between the two cross beams 31, and the width of the first table plate 1 is adapted to the spacing of the two cross beams 31.

[0043] In the embodiment, since the first table plate 1 can be lifted through the rotating lifting assembly 6, the first table plate 1 is at different horizontal heights after being lifted, and the first table plate 1 does not interfere with the second table plate 2 when rotating, and after the second table plate 2 slides to the two outer sides through the translation assembly 5, only a distance adapted to the longer side of the first table plate 1 is required to be left between the second table plate 2 to meet the descending of the first table plate 1, so that the space requirement of the shape conversion of the utility model is lower. When the first table plate 1 rotates 90° to form a horizontal posture, the shorter side of the first table plate 1 can be accommodated between the two cross beams 31, the space utilization rate is high, and the structure is more compact.

[0044] Specifically, as shown in Figure 1 , 2 , each of the cross beams 31 is installed with a first driving device 53, and the power output end of each first driving device 53 is connected with each first sliding block 52.

[0045] In the embodiment, the two second table plates 2 can be manually pushed and can also be electrically driven, the first driving device 53 is a direct current servo motor, which can accurately control the sliding distance of the second table plate 2 and ensure that the second table plate 2 is slid to the position.

[0046] Specifically, as shown in Figure 3As shown, the rotating and lifting assembly 6 comprises a lifting structure and a rotating structure, wherein the lifting structure comprises a screw rod 61, a second sliding rail 62, two second sliding blocks 63 and two connecting rods 64, the screw rod 61 is rotatably connected to the support 3 through a mounting seat arranged thereon, the second sliding rail 62 is arranged on the support 3 and corresponds to the position of the screw rod 61, the two second sliding blocks 63 are respectively slidably connected to the two ends of the second sliding rail 62, the left and right sections of the screw rod 61 are respectively provided with threads in opposite directions, the two second sliding blocks 63 are respectively provided with threaded holes matched with the threads of the two sections of the screw rod 61, the two second sliding blocks 63 are respectively threadedly connected with the screw rod 61, the bottoms of the two connecting rods 64 are respectively rotatably connected with the two second sliding blocks 63, the tops of the two connecting rods 64 are respectively rotatably connected with the bottom of the rotating structure, the support 3 is provided with a second driving device 67 for driving the screw rod 61, the rotating structure comprises a base 68 and a rotating disc 69, the bottom of the base 68 is connected with the top of the lifting structure, the rotating disc 69 is rotatably arranged on the top of the base 68, the first table board 1 is connected with the rotating disc 69, the base 68 is provided with a third driving device 610, the power output end of the third driving device 610 is connected with the rotating disc 69 to drive the rotating disc 69 to rotate.

[0047] In the embodiment, the second driving device 67 is a direct current servo motor, which can accurately control the rotating angle of the screw rod 61, so as to control the lifting height of the first table board 1, the second driving device 67 can drive the first table board 1 to stop at three horizontal heights from low to high, when the first table board 1 is in the folded state, it is the first horizontal height, when the first table board 1 is in the unfolded state, it is the second horizontal height, when the first table board 1 is in the rotating state, it is the third horizontal height. Figure 4 、 6 , 7, 8, when the utility model telescopic table needs to change from the folded state to the unfolded state, the two second table boards 2 are respectively moved outward, the first table board 1 is lifted from the first horizontal height to the third horizontal height and then rotated by 90°, then the first table board 1 is lowered to the second horizontal height, finally the two second table boards 2 are respectively moved inward and spliced with the two sides of the first table board 1; when the utility model telescopic table needs to change from the unfolded state to the folded state, the two second table boards 2 are respectively moved outward, the first table board 1 is lifted from the second horizontal height to the third horizontal height and then reversely rotated by 90°, then the first table board 1 is lowered to the first horizontal height and placed in the containing space 8, finally the two second table boards 2 are respectively moved inward and spliced with each other.

[0048] In the embodiment, the third driving device 610 is a direct current servo motor, the third driving device 610 is fixed to the bottom of the base 68, the edge of the rotating disc 69 is provided with a tooth, the power output end of the third driving device 610 is connected with a transmission gear, the transmission gear passes through the base 68 and is engaged with the tooth on the rotating disc 69.

[0049] Embodiment 2:

[0050] The embodiment is similar to embodiment 1, and the difference is that, as shown in Figure 1 two first guide wheels 54 are rotatably connected to the two ends of each of the cross beams 31, a first synchronous belt 55 corresponding to the position of the first sliding rail 51 is wound on the two first guide wheels 54, the power output end of the first driving device 53 is connected to the middle part of the first synchronous belt 55 to drive the first synchronous belt 55 to rotate circularly, one of the first sliding blocks 52 connected to the second table plate 2 is connected to one side of the first synchronous belt 55, and the other first sliding block 52 connected to the second table plate 2 is connected to the other side of the first synchronous belt 55.

[0051] In the embodiment, the synchronous movement of the two second table plates 2 can be realized under the driving of the first synchronous belt 55, the upper and lower ends of the power output end of the first driving device 53 are respectively connected to the upper and lower inner sides of the first synchronous belt 55, the upper and lower outer sides of the first synchronous belt 55 are respectively provided with a compression wheel corresponding to the position of the power output end, the compression wheel can ensure the reliability of the connection between the power output end and the first synchronous belt 55, and in addition to the synchronous belt transmission mode, a screw rod transmission mode can also be used to drive the first sliding block 52 to slide.

[0052] Embodiment 3:

[0053] The embodiment is similar to embodiment 1, and the difference is that, as shown in Figure 3 the lifting structure is provided with four, the two screw rods 61 in the two lifting structures on the same side are connected in series, the two screw rods 61 on the two sides are respectively fixed with a second guide wheel 65 at one end, a second synchronous belt 66 is wound on the two second guide wheels 65, and the power output end of the second driving device 67 is connected to the other end of the screw rod 61 on one side.

[0054] In the embodiment, the two lifting structures on the same side form a group, the screw rods 61 in the same group are connected in series through a shaft coupling, and the two groups of screw rods 61 are connected through the second synchronous belt 66, so that the four screw rods 61 can rotate synchronously.

[0055] Embodiment 4:

[0056] The embodiment is similar to embodiment 1, and the difference is that, as shown inFigure 5 As shown, the splicing sides of the first table board 1 and the second table board 2 are respectively provided with limiting devices 7, one of which is provided with a limiting pin 71 and the other of which is provided with a limiting hole 72 matched with the limiting pin 71, and the limiting pin 71 is inserted into the limiting hole 72 when the first table board 1 and the second table board 2 are spliced.

[0057] In the embodiment, the limiting device 8 can ensure the stability of the splicing of the first table board 1 and the second table board 2.

[0058] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as the limitation of the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

[0059] Obviously, the above-mentioned embodiments of the utility model are only examples for clearly explaining the utility model and are not the limitation of the embodiments of the utility model. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above-mentioned description. Here, it is not necessary and also impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A telescopic table, characterized in that, The device includes a support (3), table legs (4), a rotating and lifting assembly (6), a first tabletop (1), a translation assembly (5), and a second tabletop (2) movably spliced ​​to the side of the first tabletop (1). The table legs (4) are installed at the bottom of the support (3). The rotating and lifting assembly (6) is installed on the support (3). The first tabletop (1) is installed at the moving end of the rotating and lifting assembly (6). The support (3) has a storage space (8) for storing the first tabletop (1). The translation assembly (5) is installed on the support (3). The first tabletop (1) is connected to the sliding end of the translation assembly (5).

2. The telescopic table according to claim 1, characterized in that, Two translation components (5) and two second tabletops (2) are provided respectively. The two translation components (5) are respectively installed on both sides of the bracket (3). The rotation and lifting component (6) is located in the middle of the bracket (3). Each second tabletop (2) is located at both ends of the bracket (3) and both sides of each second tabletop (2) are respectively connected to the sliding end of the translation component (5).

3. A telescopic table according to claim 2, characterized in that, The bracket (3) has crossbeams (31) fixed on both sides. Each translation component (5) is mounted on the crossbeam (31). Each translation component (5) includes a first slide rail (51) and a plurality of first sliders (52). The first slide rail (51) is connected to the crossbeam (31). The plurality of first sliders (52) are slidably connected to the first slide rail (51). The bottom of the second table (2) is connected to the first sliders (52).

4. A telescopic table according to claim 3, characterized in that, Each of the crossbeams (31) is equipped with a first drive device (53), and the power output end of each first drive device (53) is connected to each first slider (52).

5. A telescopic table according to claim 4, characterized in that, Each of the crossbeams (31) is rotatably connected to a first guide wheel (54) at both ends. A first synchronous belt (55) corresponding to the position of the first slide rail (51) is wound around the two first guide wheels (54). The power output end of the first drive device (53) is connected to the middle of the first synchronous belt (55) to drive the first synchronous belt (55) to rotate cyclically. One of the first sliders (52) connected to the second table (2) is connected to one side of the first synchronous belt (55), and the other first slider (52) connected to the second table (2) is connected to the other side of the first synchronous belt (55).

6. A telescopic table according to any one of claims 3 to 5, characterized in that, The accommodating space (8) is located between the two beams (31), and the width of the first tabletop (1) is less than the distance between the two beams (31).

7. A telescopic table according to claim 1, characterized in that, The rotary lifting assembly (6) includes a lifting structure and a rotating structure; The lifting structure includes a screw (61), a second slide rail (62), two second sliders (63), and two connecting rods (64). The screw (61) is rotatably connected to the bracket (3) via a mounting seat. The second slide rail (62) is mounted on the bracket (3) and corresponds to the position of the screw (61). The two second sliders (63) are slidably connected to both ends of the second slide rail (62). The left and right sections of the screw (61) have threads with opposite directions of rotation. The two second sliders (63) are respectively provided with threaded holes that are adapted to the threads of the two sections of the screw (61). The two second sliders (63) are threadedly connected to the screw (61). The bottoms of the two connecting rods (64) are rotatably connected to the two second sliders (63), and the tops of the two connecting rods (64) are rotatably connected to the bottom of the rotating structure. The rotating structure includes a base (68) and a turntable (69). The bottom of the base (68) is connected to the top of the lifting structure. The turntable (69) is rotatably mounted on the top of the base (68). The first table (1) is connected to the turntable (69).

8. A telescopic table according to claim 7, characterized in that, The lifting structure is provided in four parts, and the four lifting structures are respectively located at the four corners of the bottom of the rotating structure. The screws (61) of the two lifting structures on the same side are connected end to end. One end of the screws (61) on both sides is fixed with a second guide wheel (65). A second synchronous belt (66) is wound around the two second guide wheels (65). The bracket (3) is provided with a second driving device (67) to drive the screws (61) to rotate. The power output end of the second driving device (67) is connected to the other end of the screw (61) on one side.

9. A telescopic table according to claim 7, characterized in that, The base (68) is provided with a third driving device (610), and the power output end of the third driving device (610) is connected to the turntable (69) to drive the turntable (69) to rotate.

10. A telescopic table according to claim 1, characterized in that, The first tabletop (1) and the second tabletop (2) are respectively provided with limiting devices (7), one of the limiting devices (7) is provided with a limiting pin (71), and the other limiting device (7) is provided with a limiting hole (72) adapted to the limiting pin (71).

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