CN112120437A

CN112120437A - Combined folding table and chair

Info

Publication number: CN112120437A
Application number: CN202011128095.7A
Authority: CN
Inventors: 袁新梅; 刘煜; 李双艺; 张志伟; 杨顺时; 潘宗平
Original assignee: Yangtze University
Current assignee: Yangtze University
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2020-12-25

Abstract

The invention relates to a table and chair, in particular to a combined type folding table and chair. The table and chair comprises a base, a folding mechanism, a table top and folding chairs, wherein an expansion joint is arranged on the base, the table top is arranged on the expansion joint through the folding mechanism, and the folding chairs are uniformly distributed on the base below a lower sealing plate. The table and chair can contract and fold the center plate and the tip plate into the outer ring through the folding mechanism, so that a small table top is formed between the triangular plates, the table top is reduced, and the folding chair can be folded and accommodated into the base, so that the space occupied by the table and chair can be effectively reduced; meanwhile, when the desk is used by a plurality of people, the core plate and the tip plate can be unfolded through the folding mechanism, so that a large desktop is formed among the triangular plate, the core plate and the tip plate, the desktop is enlarged, the desk can be used by a plurality of people without crowding, and the problem that the existing desk and chair occupies a large space when not used or is crowded when used by a plurality of people is solved.

Description

Combined folding table and chair

Technical Field

The invention relates to a table and chair, in particular to a combined type folding table and chair.

Background

The desk and chair are common furniture in daily life, the desk and the chair are often used in a matched manner, the existing desk and chair usually occupy larger space due to incapability of storage and folding, and particularly when the desk and chair are not used, the desk and chair occupy larger space to cause the room to be crowded; the small table and chair is used, but the existing small table and chair can only be used by 1-3 people, so that more people at home, such as guests, can be crowded around the table when the table and chair are used by more people, and even the situation that the table is too small and the chair is too few and the table and chair are not enough occurs, so a combined folding table and chair is needed to be designed to solve the problems.

Disclosure of Invention

The purpose of the invention is: the combined folding table and chair is convenient to use, can be folded when not used to reduce the occupied space, can be unfolded when used to be used by multiple people, and solves the problems that the existing table and chair occupies a larger space when not used or is crowded when being used by multiple people.

The technical scheme of the invention is as follows:

the utility model provides a modular folding table chair, it comprises base, telescopic joint, lower shrouding, folding mechanism, desktop and folding chair, its characterized in that: the telescopic joint is arranged on the base, the telescopic joint is provided with a lower sealing plate, the end surface of the telescopic joint above the lower sealing plate is provided with a table top through a folding mechanism, and folding chairs are uniformly distributed on the base below the lower sealing plate; the desktop comprises a triangular plate, a sharp plate and a core plate.

The telescopic joint comprises a supporting pipe and an electric cylinder, the supporting pipes are connected in a sleeved mode, the electric cylinder is arranged in the center of the supporting pipe, the supporting pipe at the lower end and the electric cylinder are fixedly connected with the base respectively, and the supporting pipe at the upper end and a piston rod of the electric cylinder are fixedly connected with the rotating flange respectively.

The circumference of the end head at the lower end of the supporting tube is provided with an outer flange, the inner wall of the end head at the upper end of the supporting tube is provided with an inner flange, and the supporting tubes cannot be disjointed when being stretched through the outer flange and the inner flange.

The folding mechanism is composed of a rotary flange, a core plate lifting device and a sharp plate folding device, wherein the core plate lifting device is installed on the rotary flange, and the sharp plate folding device is installed on the rotary flange outside the core plate lifting device.

The sharp plate folding device comprises a central rotary table, sharp plate slideways, triangular plate slideways, sliding blocks and a central top disc, wherein the sharp plate slideways are radially and uniformly distributed on the central rotary table by taking the center of the central rotary table as a circle center, the triangular plate slideways are radially arranged on the central rotary table between the sharp plate slideways, the sliding blocks are respectively and movably arranged on the triangular plate slideways and the sharp plate slideways through the sliding rails, a sliding block sleeve is movably sleeved on the sliding block on the sharp plate slideway, the top end surface of the sliding block sleeve is fixedly connected with the sharp plate, and the top end surface of the sliding block on the triangular plate slideway is fixedly connected with the; a central top disk is arranged above the central rotary disk, the central top disk is movably connected with the sliding block through a connecting rod, and waist holes are uniformly distributed in the central top disk.

The central rotating disc and the central top disc are respectively annular bodies.

And a sharp plate lifting guide rail is arranged on the sharp plate slide way below the sliding block sleeve in parallel with the sliding rail and is in sliding connection with the sliding block sleeve.

The core plate lifting device consists of a top disc, a core plate base and a guide limiting rod, wherein the core plate base is arranged on the top disc through ejector rods which are uniformly distributed in an annular shape, and the core plate base is fixedly connected with a core plate; guide limiting rods are uniformly distributed on the core plate base outside the ejector rod in a shape corresponding to the waist holes, and the guide limiting rods penetrate through the waist holes to be movably connected with the central turntable in an inserted mode.

The circumference of the top disc is annularly and uniformly distributed with core plate lifting guide rails, and the core plate lifting guide rails are connected with the ejector rod in a sliding manner.

The rotary flange is composed of an installation plate, assembly blocks and support guide rods, the assembly blocks are uniformly distributed on the installation plate in an annular mode, the support guide rods are arranged on the assembly blocks, the assembly blocks are connected with the inner wall of the central turntable in a sliding mode, and the top end face of each assembly block is fixedly connected with the central top plate; the mounting plate on the inner side of the assembling block is fixedly connected with the top disc; the rotary flange is fixedly connected with the expansion joint through a mounting plate.

The supporting guide rod is movably provided with an outer ring through a lifting guide groove, and the inner wall of the outer ring is connected with the supporting guide rod in a sliding manner.

The folding chair comprises a chair surface, a mounting block and supporting legs, wherein the chair surface is fan-shaped, and the supporting legs are movably mounted at two ends of the bottom of the chair surface through the mounting block respectively.

The mounting block is L-shaped.

The supporting legs are U-shaped.

The base is a basin-shaped body.

The invention has the beneficial effects that:

the combined folding table and chair can contract and fold the center plate and the tip plate into the outer ring through the folding mechanism, so that a small table top is formed between the triangular plates, the table top is reduced, and the folding chair can be folded and accommodated into the base, so that the space occupied by the table and chair can be effectively reduced; meanwhile, when the desk is used by a plurality of people, the core plate and the tip plate can be unfolded through the folding mechanism, so that a large desktop is formed among the triangular plate, the core plate and the tip plate, the desktop is enlarged, the desk can be used by a plurality of people without crowding, and the problem that the existing desk and chair occupies a large space when not used or is crowded when used by a plurality of people is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a schematic view of the construction of the telescopic joint of the present invention;

FIG. 4 is a schematic structural view of the folding mechanism of the present invention;

FIG. 5 is a schematic structural view of a tip plate ramp of the present invention;

FIG. 6 is a schematic view of the construction of the triangular ramp of the present invention;

FIG. 7 is a schematic view of the construction of the center top disk of the present invention;

FIG. 8 is a schematic view of the structure of the center turntable of the present invention;

FIG. 9 is a schematic illustration of the construction of the core plate base of the present invention;

FIG. 10 is a schematic structural view of the top disk of the present invention;

FIG. 11 is a schematic front view of a rotating flange of the present invention;

FIG. 12 is a schematic top view of FIG. 11;

FIG. 13 is a schematic view of the construction of the outer race of the present invention;

FIG. 14 is a front schematic view of a folding chair of the present invention;

FIG. 15 is a schematic top view of FIG. 14;

fig. 16 is a schematic left side view of fig. 14.

In the figure: 1. the base, 2, lower shrouding, 3, set square, 4, peak board, 5, heart board, 6, stay tube, 7, outer lane, 8, central carousel, 9, the slide of peak board, 10, the slide of set square, 11, slider, 12, central top dish, 13, slider cover, 14, connecting rod, 15, waist hole, 16, the lift rail of peak board, 17, top dish, 18, heart board base, 19, direction gag lever post, 20, ejector pin, 21, heart board lift rail, 22, mounting panel, 23, assembly block, 24, support guide arm, 25, lift guide slot, 26, seat, 27, installation piece, 28, landing leg, 29, electronic jar.

Detailed Description

The combined type folding table and chair comprises a base 1, an expansion joint, a lower sealing plate 2, a folding mechanism, a table top and a folding chair, wherein the base 1 is a basin-shaped body, the expansion joint is arranged on the base 1, the lower sealing plate 2 is arranged on the expansion joint, the folding mechanism is arranged on the lower sealing plate 2, the table top is arranged on the folding mechanism and comprises a triangular plate 3, a sharp plate 4 and a heart plate 5, and the folding mechanism has the function of folding the table top when not in use or used by 1-3 people so as to reduce the area of the table top and further reduce the occupied space, or expanding the table top when being used by multiple people so as to enlarge the table top so as to ensure that the table top does not appear crowded when in use; folding chairs are evenly distributed on the base 1 below the lower sealing plate 2, the lower sealing plate 2 is used for preventing dust from entering the folding mechanism and influencing the sliding in the folding mechanism, and meanwhile, a human body is prevented from stretching into the folding mechanism and avoiding the mechanical injury of the folding mechanism to the human body.

The folding mechanism consists of a rotating flange, a core plate lifting device and a sharp plate folding device, wherein the core plate lifting device is arranged on the rotating flange, and is used for accommodating the core plate 5 through the core plate lifting device when the desktop is folded and lifting the core plate through the core plate lifting device to unfold the core plate 5 when the desktop is unfolded; a sharp plate folding device is arranged on a rotating flange on the outer side of the core plate lifting device, and is used for accommodating the sharp plate 4 through the sharp plate folding device when the desktop is folded and unfolding the sharp plate 4 through the sharp plate folding device when the desktop is unfolded; the rotary flange, the core plate lifting device and the sharp plate folding device are coaxially arranged, so that the rotary flange, the core plate lifting device and the sharp plate folding device can coaxially rotate, and the rotary flange, the core plate lifting device and the sharp plate folding device are not easy to dislocate in the rotating process.

The sharp plate folding device comprises a central rotary table 8, sharp plate slideways 9, triangular plate slideways 10, sliding blocks 11 and a central top disc 12, wherein the sharp plate slideways 9 are radially and uniformly distributed on the central rotary table 8 by taking the center of the central rotary table 8 as a circle center, the triangular plate slideways 10 are radially arranged on the central rotary table 8 between the sharp plate slideways 9, the sliding blocks 11 are movably arranged on the triangular plate slideways 10 and the sharp plate slideways 9 through sliding rails respectively, a sliding block sleeve 13 is movably sleeved on the sliding block 11 on the sharp plate slideway 9, the top end face of the sliding block sleeve 13 is fixedly connected with the sharp plate 4, and the top end face of the sliding block 11 on the triangular plate slideway 10 is fixedly connected with the triangular; point board lifting guide rail 16 is provided with the lift domatic with the slide rail on the point board slide 9 of slider cover 13 below side by side, and point board lifting guide rail 16 is provided with the lift domatic, and point board lifting guide rail 16 and slider cover 13 sliding connection, point board lifting guide rail 16 can drive slider cover 13 through the lift domatic ability in slider cover 13 motion process and go up and down, and then drive point board 4 and go up and down specifically do: when the slide block 11 moves towards the outer ring 7 along the sharp plate slideway 9, the slide block 10 can drive the slide block sleeve 13 to move towards the outer ring 7 along the sharp plate slideway 10, and further drive the sharp plate 4 to move towards the outer ring 7, when the slide block sleeve 13 moves to the lifting slope surface of the sharp plate lifting guide rail 16, the slide block sleeve 13 can be driven to ascend under the action of the lifting slope surface of the sharp plate lifting guide rail 16 in the process that the slide block sleeve 13 continues to move towards the outer ring 7, so as to drive the sharp plate 4 to ascend, the sharp plate 4 is unfolded in the process that the sharp plate 4 continues to move towards the outer ring 7, when the slide block 11 moves towards the central turntable 8 along the sharp plate slideway 9, the slide block 10 can drive the slide block sleeve 13 to move towards the central turntable 8 along the sharp plate slideway 10, so as to drive the sharp plate 4 to move towards the central turntable 8, and when the slide block sleeve 13 moves to the lifting slope surface of the sharp plate lifting guide rail 16, and when the slide block sleeve 13 continues to move towards the central turntable 8, the lifting slope surface of the sharp plate lifting guide Descending to drive the sharp plate 4 to descend, and folding the sharp plate 4 into the outer ring 7 in the process that the sharp plate 4 continues to move towards the central turntable 8; the sliding block 11 on the triangular plate slideway 10 can drive the triangular plate 3 to move along the sliding rail on the triangular plate slideway 10, when the sliding block 11 moves to the outer ring 7 along the triangular plate slideway 10, the triangular plate 3 is driven to move to the outer ring 7 to unfold the triangular plate 3, and when the sliding block 11 moves to the central turntable 8 along the triangular plate slideway 10, the triangular plate 3 is driven to move to the central turntable 3 along the triangular plate slideway 10 to retract the triangular plate 3; a central top disk 12 is arranged above the central turntable 8, the central top disk 12 is movably connected with a connecting rod 14 through a pin shaft, the end of the connecting rod 14 is movably connected with a sliding block 11 through a pin shaft, and the central top disk 12 is used for driving the connecting rod 14 to radially contract or relax in the rotating process of the central top disk 12, so that the connecting rod 14 can drive the sliding block 11 to move in the contracting or relaxing process, and the sharp plate 4 and the triangular plate 3 are driven to move.

The core plate lifting device consists of a top plate 17, a core plate base 18 and a guide limiting rod 19, wherein the top plate 17 is provided with the core plate base 18, and the core plate base 18 is fixedly connected with the core plate 5 so as to drive the core plate 5 to lift in the lifting process of the core plate base 18; ejector rods 20 are annularly and uniformly distributed at the bottom of a core plate base 18, core plate lifting guide rails 21 are annularly and uniformly distributed on the circumference of an ejector plate 17, lifting slopes are arranged on the core plate lifting guide rails 21, the core plate lifting guide rails 21 are in sliding connection with the ejector rods 20, the ejector plate 17 is fixedly connected with a rotating flange, the core plate base 18 can drive the ejector rods 20 to rotate anticlockwise in the anticlockwise rotating process of the core plate base 18, the ejector rods 20 slide relative to the core plate lifting guide rails 21 in the anticlockwise rotating process, when the ejector rods 20 rotate to prevent the ejector rods 20 from rotating to the lifting slopes on the core plate lifting guide rails 21, the core plate lifting guide rails 21 enable the ejector rods 20 to ascend through the core plate lifting guide rails 21 in the process of continuing anticlockwise rotating, and further drive the core plate base 18 to ascend so as to drive a core plate 5, and when the core plate base 18 rotates clockwise, the core plate base 18 can drive the ejector rods 20 to rotate clockwise, when the ejector rod 20 rotates to prevent the ejector rod 20 from rotating to the lifting slope surface on the core plate lifting guide rail 21 in the clockwise rotation process of the ejector rod 20, the core plate lifting guide rail 21 enables the ejector rod 20 to descend under the action of the lifting slope surface on the core plate lifting guide rail 21 and self gravity in the continuous anticlockwise rotation process of the ejector rod 20, and then the core plate base 18 is driven to descend, so that the core plate 5 is driven to descend, and the core plate 5 is accommodated into the outer ring 7; meanwhile, the mandril 20 can limit the position of the core plate base 18 in the vertical direction; the lifting processes of the tip plate 4 and the core plate 5 are inconsistent by arranging the lifting slope positions of the core plate lifting guide rail 21 and the tip plate lifting guide rail 16, so that the tip plate 4 and the core plate 5 are not interfered; waist hole 15 is evenly distributed on central top disk 12, guide limiting rod 19 is evenly distributed on core plate base 18 outside ejector rod 20 corresponding to waist hole 15, guide limiting rod 19 passes waist hole 15 and is movably inserted and connected with central turntable 8, guide limiting rod 19 is used for limiting core plate base 18 in the horizontal direction by matching waist hole 15 and central turntable 8, ejector rod 20 at the bottom of core plate base 18 is always connected with core plate lifting guide rail 21 in a sliding mode, and cannot be dislocated with core plate lifting guide rail 21, meanwhile, ejector rod 20 is used for limiting core plate base 18 in the vertical direction, core plate base 18 is not prone to deviation, and therefore core plate 5 is not prone to deviation.

The rotary flange is composed of a mounting plate 22, an assembling block 23 and a supporting guide rod 24, the assembling block 23 is uniformly distributed on the mounting plate 22 in an annular shape, the supporting guide rod 24 is arranged on the assembling block 23, an outer ring 7 is arranged on the end of the supporting guide rod 24, a lifting guide groove 25 is arranged on the inner wall of the outer ring 7 corresponding to the supporting guide rod 24, and the lifting guide groove 25 is connected with the end of the supporting guide rod 24 in a sliding manner; the assembling block 23 is connected with the inner wall of the central turntable 8 in a sliding manner, and the top end face of the assembling block 23 is fixedly connected with the central top disk 12; the mounting plate 22 at the inner side of the assembling block 23 is fixedly connected with the top plate 17; the rotary flange is fixedly connected with the telescopic joint through the mounting plate 22, the telescopic joint supports the rotary flange through the mounting plate 22, the mounting plate 22 further supports the central rotary disk 8 and the central top disk 12 through the assembling block 23, and simultaneously supports the top disk 17, so that the folding mechanism is supported; in the process that the outer ring 7 rotates by taking the center of the rotating flange as a circle center, the outer ring 7 moves up and down under the interaction of the lifting guide groove 25 and the support guide rod 24, so that the mounting plate 22 can lift up and down relative to the outer ring 7, and further the outer ring 7 can lift up and down relative to the folding mechanism, so that the outer ring 7 can lift up and down relative to a table top, the table top cannot interfere with the outer ring 7 in the unfolding process, and the table top and the outer ring can be folded to seal the folding mechanism in the folding process.

The folding chair is composed of a chair surface 26, a mounting block 27 and supporting legs 28, wherein the chair surface 26 is fan-shaped and is convenient to be accommodated in the base 1; the two ends of the bottom of the seat 26 are respectively fixedly provided with a mounting block 27, the mounting blocks 27 are L-shaped, the mounting blocks 27 are movably provided with supporting legs 28 through pin shafts, the supporting legs 28 are U-shaped, and the L-shaped mounting blocks 27 are used for limiting the supporting legs 28, so that when the supporting legs 28 are unfolded, the mounting blocks 27 limit the supporting legs 28, and the supporting legs 28 are matched with the mounting blocks 27 to support the seat 26; the supporting legs 28 can be folded through the pin shafts, so that the folding chair can be conveniently stored in the base 1.

The telescopic joint is composed of supporting tubes 6 and an electric cylinder 29, a plurality of supporting tubes 6 are connected in a sleeved mode, outer flanges are arranged on the circumference of the end head of the lower end of each supporting tube 6, inner flanges are arranged on the inner walls of the end heads of the upper ends of the supporting tubes 6, the outer flanges and the inner flanges are used for limiting, the supporting tubes cannot be disconnected during stretching through the outer flanges and the inner flanges, the supporting tubes 6 are used for limiting in the horizontal direction during lifting, and the lifting process cannot be deviated; the center of the supporting tube 6 is provided with an electric cylinder 29 (Jiangsen special JST-S3-ZX-WJ linear electric cylinder), the supporting tube 6 and the electric cylinder 29 at the lower end are respectively and fixedly connected with the base 1, the supporting tube 6 and the piston rod of the electric cylinder 29 at the upper end are respectively and fixedly connected with the lower sealing plate 2, and the electric cylinder 29 is used for lifting the lower sealing plate 2 to lift the table top, so that the height of the table can be adjusted as required by adjusting the height of the table.

When the combined folding table and chair is used by a plurality of people, the electric cylinder 29 is started, and after the electric cylinder 29 is started, the lower sealing plate 2 is driven to move upwards, so that the height of the table top is adjusted; after the height of the table top is adjusted, the folding chair is taken out from the base 1, after the folding chair is taken out, the supporting legs 28 at the two ends of the folding chair are respectively rotated by taking the pin shafts on the mounting blocks 27 as axes until the supporting legs 28 are abutted against the mounting blocks 27, so that the supporting legs 28 are unfolded, and the folding chair is unfolded; after the folding chair is unfolded, the outer ring 7 is pushed to rotate clockwise, so that the outer ring 7 descends along the lifting guide groove 24 under the action of the lifting guide groove 25 and the supporting guide rod 24 to ensure that the outer ring 7 does not interfere with a table top; after the outer ring 7 finishes rotating, the triangular plate 3 of the desktop is pushed to rotate anticlockwise, so that the triangular plate 3 sequentially passes through the slide block 11 and the triangular plate slide way 10 to drive the central turntable 8 to rotate anticlockwise, the central turntable 8 drives the core plate base 18 to rotate anticlockwise through the guide limiting rod 19 in the anticlockwise rotating process of the central turntable 8, the core plate base 18 drives the ejector rod 20 to rotate anticlockwise in the anticlockwise rotating process of the core plate base 18, the ejector rod 20 acts on the core plate lifting guide rail 21 on the top plate 17, and the ejector rod 20 drives the core plate base 18 to ascend under the action of the lifting slope surface of the core plate lifting guide rail 21 so as to drive the core plate 5 to ascend; in the anticlockwise rotating process of the central rotating disc 8, the central top disc 12 rotates clockwise relative to the central rotating disc 8, in the clockwise rotating process of the central top disc 12 relative to the central rotating disc 8, the central top disc 12 drives the slide block 11 to move along the tip plate slide way 9 and the triangle plate slide way 10 through the connecting rod 14, so that the slide block 11 on the triangle plate slide way 10 drives the triangle plate 3 to move towards the outer ring 7 along the triangle plate slide way 10, the slide block 11 on the tip plate slide way 9 drives the slide block sleeve 13 and the tip plate 4 to move towards the outer ring 7 along the tip plate slide way 9, in the moving process of the tip plate 4 towards the outer ring 7, when the slide block sleeve 13 moves to the lifting slope surface of the tip plate lifting guide rail 16, the tip plate lifting guide rail 16 drives the slide block sleeve 13 to ascend under the lifting slope surface action of the tip plate lifting guide rail 16, so that the tip plate 4 ascends, and the tip plate; after the connecting rods 14 are completely unfolded, in the process that the central top disc 12 continuously rotates clockwise relative to the central rotary disc 8, the central top disc 12 pulls the connecting rods 14 to contract, the connecting rods 14 drive the tip plates 4 and the triangular plates 3 to contract towards the heart plates through the sliding blocks 11, and as the central rotary disc 8 rotates anticlockwise, the ejector rods 20 continuously rotate anticlockwise relative to the heart plate lifting guide rails 16, so that the heights of the heart plates 5 relative to the tip plates 4 and the triangular plates 3 are kept unchanged, the triangular plates 3 and the tip plates 4 are gradually spliced with the heart plates 5 in the process of moving towards the heart plates 5, and the triangular plates 3, the tip plates 4 and the heart plates 5 are mutually abutted and spliced to form a large table top for multiple people to use without crowding.

When the combined folding table and chair is folded, the triangular plate 3 of the table top is pushed to rotate clockwise, so that the triangular plate 3 sequentially passes through the slide block 11 and the triangular plate slide way 10 to drive the central rotary table 8 to rotate clockwise, the central top disc 12 rotates anticlockwise relative to the central rotary table 8 in the clockwise rotation process of the central rotary table 8, the central top disc 12 drives the connecting rod 14 to be completely unfolded, the slide block 11 is driven to move along the tip plate slide way 9 and the triangular plate slide way 10 in the complete unfolding process of the connecting rod 14, the slide block 11 on the triangular plate slide way 10 drives the triangular plate 3 to move towards the outer ring 7 along the triangular plate slide way 10, the slide block 11 on the tip plate slide way 9 drives the tip plate 4 and the slide block sleeve 13 to move towards the outer ring 7 along the tip plate slide way 9, and the core plate 5, the tip plate 4 and the triangular plate 3 are separated; after the connecting rod 14 is completely unfolded, in the rotating process of the central turntable 8, the central turntable drives the core plate base 18 to rotate anticlockwise through the guide limiting rod 19, in the anticlockwise rotating process of the core plate base 18, the core plate base 18 drives the ejector rod 20 to rotate anticlockwise, the ejector rod 20 acts on the core plate lifting guide rail 21 on the top plate 17, and the ejector rod 20 drives the core plate base 18 to descend under the action of the lifting slope surface and the self gravity of the core plate lifting guide rail 21 so as to drive the core plate 5 to descend; in the descending process of the core plate 5, in the process that the central top disc 12 continuously rotates anticlockwise relative to the central rotary table 8, the central top disc 12 drives the connecting rod 14 to contract, so that the connecting rod 14 drives the tip plate 4 and the triangular plate 3 to contract towards the core plate 5 through the sliding block 11, the tip plate 4 and the triangular plate 3 are folded, the tip plate 4 is folded into the outer ring 7, and the triangular plate 3 is spliced into a small table top, so that the occupied space is reduced; after the set square 3 is spliced into a small table top, the outer ring 7 is rotated anticlockwise, so that the outer ring 7 rises under the action of the lifting guide groove 25 and the supporting guide rod 24, and the outer ring 7 is matched with the lower sealing plate 2 and the table top to seal the folding mechanism.

The combined folding table and chair can contract and fold the core plate 5 and the tip plate 4 into the outer ring 7 through the folding mechanism, so that a small table top is formed between the triangular plates 3, the table top is reduced, and the folding chair can be folded and accommodated into the base 1, so that the space occupied by the table and chair can be effectively reduced; meanwhile, when the desk is used by a plurality of people, the core plate 5 and the tip plate 4 can be unfolded through the folding mechanism, so that a large desktop is formed among the triangular plate 3, the core plate 5 and the tip plate 4, the desktop is enlarged, the desk can be used by a plurality of people without crowding, and the problem that the existing desk and chair occupies a large space when not used or is crowded when used by a plurality of people is solved.

Claims

1. The utility model provides a modular folding table chair, it comprises base (1), telescopic joint, lower shrouding (2), folding mechanism, desktop and folding chair, its characterized in that: the telescopic joint is arranged on the base (1), the telescopic joint is provided with a lower sealing plate (2), the end surface of the telescopic joint above the lower sealing plate (2) is provided with a table top through a folding mechanism, and folding chairs are uniformly distributed on the base (1) below the lower sealing plate (2); the desktop comprises a triangular plate (3), a tip plate (4) and a core plate (5).

2. The combination folding table and chair of claim 1, wherein: the telescopic joint is composed of supporting pipes (6) and electric cylinders (29), the supporting pipes (6) are connected in a sleeved mode, the electric cylinders (29) are arranged in the centers of the supporting pipes (6), the supporting pipes (6) and the electric cylinders (29) at the lower ends are fixedly connected with the base (1) respectively, and the supporting pipes (6) at the upper ends and piston rods of the electric cylinders (29) are fixedly connected with the rotating flanges respectively; the circumference of the end head at the lower end of the supporting tube (6) is provided with an outer flange, and the inner wall of the end head at the upper end of the supporting tube (6) is provided with an inner flange.

3. The combination folding table and chair of claim 1, wherein: the folding mechanism is composed of a rotary flange, a core plate lifting device and a sharp plate folding device, wherein the core plate lifting device is installed on the rotary flange, and the sharp plate folding device is installed on the rotary flange outside the core plate lifting device.

4. A modular folding table and chair as claimed in claim 3, wherein: the tip plate folding device comprises a center rotary table (8), tip plate slideways (9), triangular plate slideways (10), sliding blocks (11) and a center top disc (12), wherein the tip plate slideways (9) are radially and uniformly distributed on the center rotary table (8) by taking the center of the center rotary table (8) as a circle center, the triangular plate slideways (10) are radially arranged on the center rotary table (8) between the tip plate slideways (9), the sliding blocks (11) are respectively and movably arranged on the triangular plate slideways (10) and the tip plate slideways (9) through sliding rails, sliding block sleeves (13) are movably sleeved on the sliding blocks (11) on the tip plate slideways (9), the top end surfaces of the sliding block sleeves (13) are fixedly connected with the tip plate (4), and the top end surfaces of the sliding blocks (11) on the triangular plate slideways (10) are fixedly connected with the triangular plate (; a central top disc (12) is arranged above the central rotating disc (8), the central top disc (12) is movably connected with a sliding block (11) through a connecting rod (14), and waist holes (15) are uniformly distributed on the central top disc (12); the central rotating disc (8) and the central top disc (12) are respectively annular bodies.

5. A modular folding table and chair assembly as claimed in claim 4, wherein: and a sharp plate lifting guide rail (16) is arranged on the sharp plate slide way (9) below the sliding block sleeve (13) in parallel with the slide rail, and the sharp plate lifting guide rail (16) is connected with the sliding block sleeve (13) in a sliding manner.

6. A modular folding table and chair as claimed in claim 3, wherein: the core plate lifting device is composed of a top disc (17), a core plate base (18) and a guide limiting rod (19), the core plate base (18) is installed on the top disc (17) through ejector rods (20) which are uniformly distributed in an annular shape, and the core plate base (18) is fixedly connected with a core plate (5); guide limiting rods (19) are uniformly distributed on the core plate base (18) on the outer side of the ejector rod (20) corresponding to the waist holes (15), and the guide limiting rods (19) penetrate through the waist holes (15) to be movably connected with the central turntable (8) in an inserted manner.

7. A modular folding table and chair assembly as claimed in claim 6, wherein: the circumference of the top disc (17) is annularly and uniformly distributed with core plate lifting guide rails (21), and the core plate lifting guide rails (21) are connected with the ejector rods (20) in a sliding manner.

8. A modular folding table and chair as claimed in claim 3, wherein: the rotary flange is composed of a mounting plate (22), assembling blocks (23) and supporting guide rods (24), the assembling blocks (23) are uniformly distributed on the mounting plate (22) in an annular shape, the supporting guide rods (24) are arranged on the assembling blocks (23), the assembling blocks (23) are connected with the inner wall of the central turntable (8) in a sliding mode, and the top end face of each assembling block (23) is fixedly connected with the central top disk (12); the mounting plate (22) at the inner side of the assembling block (23) is fixedly connected with the top disc (17); the rotary flange is fixedly connected with the telescopic joint through a mounting plate (22).

9. The combination folding table and chair of claim 8, wherein: the support guide rod (24) is movably provided with an outer ring (7) through a lifting guide groove (25), and the inner wall of the outer ring (7) is connected with the lower sealing plate (2) in a sliding and sealing manner.

10. The combination folding table and chair of claim 1, wherein: the folding chair is composed of a chair surface (26), a mounting block (27) and supporting legs (28), wherein the chair surface (26) is fan-shaped, and the supporting legs (28) are movably mounted at two ends of the bottom of the chair surface (26) through the mounting block (27).