CN112120437B

CN112120437B - Combined folding table and chair

Info

Publication number: CN112120437B
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: 2024-07-23
Anticipated expiration: 2040-10-21
Also published as: CN112120437A

Abstract

The invention relates to a table and a chair, in particular to a combined folding table and a chair. The desk and chair consists of a base, a folding mechanism, a desktop and a folding chair, wherein an expansion joint is arranged on the base, the desktop is arranged on the expansion joint through the folding mechanism, and the folding chair is uniformly distributed on the base below the lower sealing plate. The table and chair can shrink and fold the core plate and the tip plate into the outer ring through the folding mechanism, so that a small tabletop is formed between the triangular plates, the tabletop is reduced, and the folding chair can be folded and stored into the base, so that the space occupied by the table and chair can be effectively reduced; meanwhile, when the multifunctional desk is used by multiple people, the heart plate and the tip plate can be unfolded through the folding mechanism, so that a large desktop is formed among the triangular plate, the heart plate and the tip plate, and the desktop is enlarged, thereby being used by the multiple people without crowding, and solving the problems that the existing desk and chair occupy a large space when not used or can be crowded when used by the multiple people.

Description

Combined folding table and chair

Technical Field

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

Background

The table and the chair are furniture commonly used in daily life of people, the table and the chair are often matched for use, the existing table and chair often occupy larger space because the existing table and chair cannot be stored and folded, and particularly when the table and chair are not used, the small house type house is occupied by the table and chair, and the space occupied by the table and chair is larger, so that the house is crowded; the method for solving the problems is to use a small table and a chair, but the existing small table and chair can only be used by 1-3 persons, so that when many persons use the table and chair, the periphery of the table is crowded, even the situation that the table is too small, the chair is too few and the table and chair are insufficient exists, and therefore, a combined folding table and chair is needed to be designed to solve the problems.

Disclosure of Invention

The purpose of the invention is that: the combined folding table and chair is convenient to use, can be folded when not in use, can reduce occupied space, can be unfolded when in use and can be used by multiple persons, so that the problem that the existing table and chair occupies a large space when not in use or can be crowded when being used by multiple persons is solved.

The technical scheme of the invention is as follows:

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

The telescopic joint consists of a supporting tube and an electric cylinder, wherein a plurality of supporting tubes are sleeved and connected, the electric cylinder is arranged in the center of the supporting tube, the supporting tube at the lower end and the electric cylinder are respectively and fixedly connected with a base, and the supporting tube at the upper end and a piston rod of the electric cylinder are respectively and fixedly connected with a rotary flange.

The outer flange is arranged on the circumference of the end head of the lower end of the support tube, the inner flange is arranged on the inner wall of the end head of the upper end of the support tube, and the support tube cannot be disjointed when being stretched through the outer flange and the inner flange.

The folding mechanism consists of a rotary flange, a core plate lifting device and a tip plate folding device, wherein the core plate lifting device is arranged on the rotary flange, and the tip plate folding device is arranged on the rotary flange at the outer side of the core plate lifting device.

The tip plate folding device consists of a central turntable, tip plate slideways, triangular plate slideways, sliding blocks and a central top disc, wherein the center turntable is radially and uniformly provided with the tip plate slideways by taking the center of the central turntable as the center of a circle, the triangular plate slideways are radially arranged on the central turntable between the tip plate slideways, the sliding blocks are respectively and movably arranged on the triangular plate slideways and the tip plate slideways through sliding rails, the sliding blocks on the tip plate slideways are movably sleeved with sliding block sleeves, the top end faces of the sliding block sleeves are fixedly connected with the tip plates, and the top end faces of the sliding blocks on the triangular plate slideways are fixedly connected with the triangular plates; a central top disk is arranged above the central turntable and is movably connected with the sliding block through a connecting rod, and waist holes are uniformly distributed on the central top disk.

The central turntable and the central top disk are respectively annular bodies.

And a tip plate lifting guide rail is arranged on the tip plate slideway below the slider sleeve in parallel with the slide rail, and the tip plate lifting guide rail is in sliding connection with the slider 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 the core plate; guide limit rods are uniformly distributed on the core plate base at the outer side of the ejector rod, correspond to the waist holes, and penetrate through the waist holes to be movably inserted and connected with the central turntable.

The circumference of the top disk is uniformly distributed with core lifting guide rails in a ring shape, and the core lifting guide rails are in sliding connection with the ejector rods.

The rotary flange consists of a mounting plate, mounting blocks and supporting guide rods, wherein the mounting plate is uniformly distributed with the mounting blocks in a ring shape, the supporting guide rods are arranged on the mounting blocks, the mounting blocks are in sliding connection with the inner wall of the central turntable, and the top end face of the mounting blocks is fixedly connected with the central top disk; the mounting plate on the inner side of the assembly block is fixedly connected with the top plate; the rotary flange is fixedly connected with the telescopic joint through the mounting plate.

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

The folding chair consists of a chair surface, mounting blocks 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 blocks 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:

According to the combined folding table and chair, the core plate and the tip plate can be contracted and folded 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 stored into the base, so that the space occupied by the table and chair can be effectively reduced; meanwhile, when the multifunctional desk is used by multiple people, the heart plate and the tip plate can be unfolded through the folding mechanism, so that a large desktop is formed among the triangular plate, the heart plate and the tip plate, and the desktop is enlarged, thereby being used by the multiple people without crowding, and solving the problems that the existing desk and chair occupy a large space when not used or can be crowded when used by the multiple people.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

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

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

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

FIG. 5 is a schematic view of the structure of the tip plate slideway of the present invention;

FIG. 6 is a schematic view of the structure of the triangular slide of the present invention;

FIG. 7 is a schematic view of the structure of the center top plate 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 view of the structure of the core base of the present invention;

FIG. 10 is a schematic view of the structure of the top plate of the present invention;

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

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

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

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

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

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

In the figure: 1. the device comprises a base, 2, a lower sealing plate, 3, a triangular plate, 4, a tip plate, 5, a core plate, 6, a supporting tube, 7, an outer ring, 8, a central turntable, 9, a tip plate slideway, 10, a triangular plate slideway, 11, a sliding block, 12, a central top plate, 13, a sliding block sleeve, 14, a connecting rod, 15, a waist hole, 16, a tip plate lifting guide rail, 17, a top plate, 18, a core plate base, 19, a guiding limit rod, 20, a push rod, 21, a core plate lifting guide rail, 22, a mounting plate, 23, an assembly block, 24, a supporting guide rod, 25, a lifting guide groove, 26, a chair surface, 27, a mounting block, 28, a supporting leg, 29 and an electric cylinder.

Detailed Description

The combined folding table and chair consists of 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, the table top comprises a triangular plate 3, a sharp plate 4 and a heart plate 5, the folding mechanism is used for folding the table top when not in use or when 1-3 people use, so that the occupied space is reduced, or when a plurality of people use, the table top is unfolded, so that the table top is enlarged, and the table top is not crowded when in use; folding chairs are uniformly distributed on the base 1 below the lower sealing plate 2, and the lower sealing plate 2 has the function of preventing dust from entering the folding mechanism to influence the sliding in the folding mechanism, and simultaneously preventing a human body from extending into the folding mechanism to avoid the mechanical injury of the folding mechanism to the human body.

The folding mechanism consists of a rotary flange, a core lifting device and a tip plate folding device, wherein the core lifting device is arranged on the rotary flange, and the core lifting device has the functions of storing the core 5 through the core lifting device when the tabletop is folded, and lifting the core through the core lifting device when the tabletop is unfolded to unfold the core 5; the rotating flange at the outer side of the heart plate lifting device is provided with a tip plate folding device, the tip plate folding device is used for accommodating the tip plate 4 when the tabletop is folded, and the tip plate 4 is unfolded through the tip plate folding device when the tabletop is unfolded; the rotary flange, the core plate lifting device and the tip plate folding device are coaxially arranged, so that the rotary flange, the core plate lifting device and the tip plate folding device can coaxially rotate, and dislocation is not easy to occur in the rotation process of the rotary flange, the core plate lifting device and the tip plate folding device.

The tip plate folding device is composed of a central rotary table 8, tip plate slide ways 9, triangular plate slide ways 10, sliding blocks 11 and a central top disk 12, the center rotary table 8 is radially and uniformly provided with the tip plate slide ways 9 by taking the center of the central rotary table 8 as the center of a circle, the triangular plate slide ways 10 are radially arranged on the central rotary table 8 between the tip plate slide ways 9, the sliding blocks 11 are respectively movably arranged on the triangular plate slide ways 10 and the tip plate slide ways 9 through sliding rails, a sliding block sleeve 13 is movably sleeved on the sliding blocks 11 on the tip plate slide ways 9, the top end face of the sliding block sleeve 13 is fixedly connected with the tip plate 4, and the top end face of the sliding blocks 11 on the triangular plate slide ways 10 is fixedly connected with the triangular plates 3; the tip plate lifting guide rail 16 is arranged on the tip plate slideway 9 below the slider sleeve 13 in parallel with the slide rail, the tip plate lifting guide rail 16 is provided with a lifting slope, the tip plate lifting guide rail 16 is in sliding connection with the slider sleeve 13, the tip plate lifting guide rail 16 can drive the slider sleeve 13 to lift in the moving process of the slider sleeve 13 through the lifting slope, and then the tip plate 4 is driven to lift specifically: when the sliding block 11 moves to the outer ring 7 along the tip plate slideway 9, the sliding block 10 can drive the sliding block sleeve 13 to move to the outer ring 7 along the tip plate slideway 10, and then drive the tip plate 4 to move to the outer ring 7, when the sliding block sleeve 13 moves to the lifting slope of the tip plate lifting guide rail 16, the sliding block sleeve 13 can be driven to ascend under the action of the lifting slope of the tip plate lifting guide rail 16 in the process of continuing to move to the outer ring 7, and the tip plate 4 is driven to ascend, when the sliding block 11 moves to the central turntable 8 along the tip plate slideway 9, the sliding block 10 can drive the sliding block sleeve 13 to move to the central turntable 8 along the tip plate slideway 10, and then drive the tip plate 4 to move to the central turntable 8, and when the sliding block sleeve 13 moves to the lifting slope of the tip plate lifting guide rail 16, the sliding block sleeve 13 can be driven to descend under the action of the lifting slope of the tip plate lifting guide rail 16 and the gravity of the sliding block sleeve 13 in the process of continuing to move to the central turntable 8, and the tip plate 4 is driven to descend, and the tip plate 4 is driven to continue to move to the central turntable 8 in the process of continuing to move to the tip plate 7; the sliding block 11 on the triangular slide way 10 can drive the triangular plate 3 to move along the sliding rail on the triangular slide way 10, when the sliding block 11 moves along the triangular slide way 10 to the outer ring 7, the triangular plate 3 is driven to move to the outer ring 7 to spread the triangular plate 3, and when the sliding block 11 moves along the triangular slide way 10 to the central turntable 8, the triangular plate 3 is driven to move along the triangular slide way 10 to the central turntable 3 to shrink the triangular plate 3; the center top disk 12 is arranged above the center turntable 8, the center top disk 12 is movably connected with the sliding block 11 through a pin shaft by virtue of the pin shaft, the end head of the connecting rod 14 is movably connected with the sliding block 11 through the pin shaft, the center top disk 12 has the effect that the center top disk 12 drives the connecting rod 14 to radially shrink or relax in the rotating process, so that the connecting rod 14 can drive the sliding block 11 to move in the shrinking or relaxing process, and the tip plate 4 and the triangular plate 3 are driven to move.

The core plate lifting device consists of a top disc 17, a core plate base 18 and a guide limiting rod 19, wherein the core plate base 18 is arranged on the top disc 17, 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; the bottom of the core plate base 18 is provided with ejector rods 20 in an annular uniformly distributed manner, the circumference of the ejector plate 17 is provided with core plate lifting guide rails 21 in an annular uniformly distributed manner, the core plate lifting guide rails 21 are provided with lifting slopes, the core plate base 18 is in sliding connection with the ejector rods 20, the core plate base 18 can drive the ejector rods 20 to rotate anticlockwise in the anticlockwise rotation process, the ejector rods 20 slide relative to the core plate lifting guide rails 21 in the anticlockwise rotation process, when the ejector rods 20 rotate to the lifting slopes on the core plate lifting guide rails 21, the ejector rods 20 are under the action of the lifting slopes on the core plate lifting guide rails 21 in the anticlockwise rotation process, the core plate lifting guide rails 21 enable the ejector rods 20 to ascend, and then drive the core plate base 18 to ascend, so as to drive the core plate 5 to ascend, the core plate base 18 can drive the ejector rods 20 to rotate clockwise in the clockwise rotation process, when the ejector rods 20 rotate to the lifting slopes on the core plate lifting guide rails 21 in the anticlockwise rotation process, the ejector rods 20 continuously rotate anticlockwise, and the gravity of the core plate lifting guide rails 21 in the anticlockwise rotation process enable the core plate lifting guide rails 21 to descend, and the core plate base 18 to descend, and the core plate base 5 is driven to descend, so that the core plate base 5 is driven to descend, and the core plate base 5 is lowered; meanwhile, the ejector rod 20 can limit the core plate base 18 in the vertical direction; by setting the lifting slope positions of the center plate lifting guide rail 21 and the tip plate lifting guide rail 16, the lifting process of the tip plate 4 and the center plate 5 is inconsistent, so that the tip plate 4 and the center plate 5 cannot interfere; waist holes 15 are uniformly distributed on the central top plate 12, guide limit rods 19 are uniformly distributed on the core plate base 18 on the outer side of the ejector rod 20, the guide limit rods 19 penetrate through the waist holes 15 and are movably inserted and connected with the central rotary table 8, the guide limit rods 19 are used for limiting the core plate base 18 in the horizontal direction by matching with the waist holes 15 and the central rotary table 8, the ejector rod 20 at the bottom of the core plate base 18 is always in sliding connection with the core plate lifting guide rail 21 and cannot be misplaced with the core plate lifting guide rail 21, and meanwhile, the core plate base 18 is not prone to deflection by matching with limiting of the ejector rod 20 on the vertical direction of the core plate base 18, so that the core plate 5 is not prone to deflection.

The rotary flange consists of a mounting plate 22, mounting blocks 23 and supporting guide rods 24, wherein the mounting plate 22 is provided with the mounting blocks 23 in an annular uniformly distributed manner, the supporting guide rods 24 are arranged on the mounting blocks 23, the outer rings 7 are arranged on the ends of the supporting guide rods 24, lifting guide grooves 25 are correspondingly arranged on the inner walls of the outer rings 7 and correspond to the supporting guide rods 24, and the lifting guide grooves 25 are in sliding connection with the ends of the supporting guide rods 24; the assembly block 23 is in sliding connection with the inner wall of the central turntable 8, and the top end surface of the assembly block 23 is fixedly connected with the central top disk 12; the mounting plate 22 on the inner side of the assembly 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, and then the mounting plate 22 supports the central turntable 8 and the central top plate 12 through the assembly block 23, and simultaneously supports the top plate 17, so that the folding mechanism is supported; in the process of rotating the outer ring 7 by taking the center of the rotary flange as the center of a circle, the outer ring 7 moves up and down under the interaction of the lifting guide groove 25 and the supporting guide rod 24, so that the mounting plate 22 can lift relative to the outer ring 7, and further the outer ring 7 lifts relative to the folding mechanism, so that the outer ring 7 lifts relative to the tabletop, the tabletop cannot interfere with the outer ring 7 in the unfolding process, and the tabletop can be folded with the outer ring to seal the folding mechanism in the folding process.

The folding chair consists 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 stored in the base 1; the two ends of the bottom of the chair surface 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, the L-shaped mounting blocks 27 are used for limiting the supporting legs 28, and when the supporting legs 28 are unfolded, the mounting blocks 27 limit the supporting legs 28, so that the supporting legs 28 can support the chair surface 26 by being matched with the mounting blocks 27; 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 consists of a plurality of support pipes 6 and an electric cylinder 29, wherein the support pipes 6 are connected in a sleeved mode, an outer flange is arranged on the circumference of the end head of the lower end of the support pipe 6, an inner flange is arranged on the inner wall of the end head of the upper end of the support pipe 6, the outer flange and the inner flange are used for limiting, the support pipes cannot be disjointed when being telescopic through the outer flange and the inner flange, and the support pipe 6 is used for limiting in the horizontal direction in the lifting process, so that the lifting process cannot deviate; the center of stay tube 6 is provided with electronic jar 29 (Jiang Sente JST-S3-ZX-WJ sharp electronic jar), and stay tube 6 and electronic jar 29 of lower extreme are respectively with base 1 fixed connection, and the piston rod of stay tube 6 and electronic jar 29 of upper end is respectively with lower shrouding 2 fixed connection, and the effect of electronic jar 29 is gone up and down lower shrouding 2 and goes up and down the desktop, adjusts the height of desk from this and makes the height of desk adjustable as required.

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 table top height is adjusted, the folding chair is taken out from the base 1, and 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, and the outer ring 7 and the tabletop are ensured not to interfere; after the rotation of the outer ring 7 is completed, the triangular plate 3 of the tabletop is pushed to rotate anticlockwise, so that the triangular plate 3 sequentially passes through the sliding block 11 and the triangular plate slideway 10 to drive the central turntable 8 to rotate anticlockwise, in the anticlockwise rotation process of the central turntable 8, the central turntable 8 drives the core plate base 18 to rotate anticlockwise through the guide limiting rod 19, in the anticlockwise rotation 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 with 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 of the core plate lifting guide rail 21, so that the core plate 5 is driven to ascend; in the process of rotating the central turntable 8 anticlockwise, the central top disc 12 rotates clockwise relative to the central turntable 8, in the process of rotating the central top disc 12 clockwise relative to the central turntable 8, the central top disc 12 drives the sliding block 11 to move along the tip plate slideway 9 and the triangle slideway 10 through the connecting rod 14, the sliding block 11 on the triangle slideway 10 drives the triangle 3 to move along the triangle slideway 10 to the outer ring 7, the sliding block 11 on the tip plate slideway 9 drives the sliding block sleeve 13 and the tip plate 4 to move to the outer ring 7 along the tip plate slideway 9, and in the process of moving the tip plate 4 to the outer ring 7, the tip plate lifting guide rail 16 drives the sliding block sleeve 13 to lift under the action of the lifting slope of the tip plate lifting guide rail 16, so that the tip plate 4 is lifted, and in the process of moving the tip plate 4 to the outer ring 7, the tip plate 4 is gradually unfolded; after the connecting rod 14 is fully unfolded, in the process of continuously rotating clockwise relative to the central turntable 8, the central top disk 12 pulls the connecting rod 14 to shrink, the connecting rod 14 drives the tip plate 4 and the triangle plate 3 to shrink towards the center plate through the sliding block 11, and as the central turntable 8 rotates anticlockwise, the ejector rod 20 continuously rotates anticlockwise relative to the center plate lifting guide rail 16, the positions of the center plate 5 are kept unchanged relative to the heights of the tip plate 4 and the triangle plate 3, and the triangle plate 3 and the tip plate 4 are gradually spliced with the center plate 5 in the process of moving towards the center plate 5, so that the triangle plate 3, the tip plate 4 and the center plate 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 triangle 3 on the table top is pushed to rotate clockwise, so that the triangle 3 sequentially passes through the slide block 11 and the triangle slide way 10 to drive the central turntable 8 to rotate clockwise, in the clockwise rotation process of the central turntable 8, the central top disc 12 rotates anticlockwise relative to the central turntable 8, in the anticlockwise rotation process of the central top disc 12 relative to the central turntable 8, the central top disc 12 drives the connecting rod 14 to be fully unfolded, the connecting rod 14 drives the slide block 11 to move along the tip plate slide way 9 and the triangle slide way 10 in the complete unfolding process, the slide block 11 on the triangle slide way 10 drives the triangle 3 to move along the triangle slide way 10 to the outer ring 7, the slide block 11 on the tip plate slide way 9 drives the tip plate 4 and the slide block sleeve 13 to move along the tip plate slide way 9 to the outer ring 7, and the core plate 5, the tip plate 4 and the triangle 3 are separated; after the connecting rod 14 is fully 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 disc 17, and the ejector rod 20 drives the core plate base 18 to descend under the action of the lifting slope of the core plate lifting guide rail 21 and the gravity of the ejector rod 20, so that the core plate 5 is driven to descend; in the process of descending the core plate 5, in the process of continuously rotating the central top disc 12 anticlockwise relative to the central rotary disc 8, the central top disc 12 drives the connecting rod 14 to shrink, so that the connecting rod 14 drives the tip plate 4 and the triangle 3 to shrink towards the core plate 5 through the sliding block 11, the tip plate 4 and the triangle 3 are folded, the tip plate 4 is folded into the outer ring 7, and the triangle 3 is spliced into a small table top, thereby reducing the occupation of space; after the triangular plates 3 are spliced into a small tabletop, 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 tabletop folding mechanism to seal.

According to the combined folding table and chair, the core plate 5 and the tip plate 4 can be contracted and folded 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 table and chair can be folded and stored into the base 1, so that the space occupied by the table and chair can be effectively reduced; meanwhile, when a plurality of people use, the heart plate 5 and the tip plate 4 can be unfolded through the folding mechanism, so that a large tabletop is formed among the triangular plate 3, the heart plate 5 and the tip plate 4, and the tabletop is enlarged, thereby being capable of being used by the plurality of people without crowding, and solving the problem that the existing table and chair occupy a larger space when not used or can be crowded when used by the plurality of people.

Claims

1. The utility model provides a combination formula folding table chair, it comprises base (1), telescopic joint, lower shrouding (2), folding mechanism, desktop and folding chair, its characterized in that: an expansion joint is arranged on the base (1), a lower sealing plate (2) is arranged on the expansion joint, a tabletop is arranged on the end face of the expansion joint above the lower sealing plate (2) through a folding mechanism, and folding chairs are uniformly distributed on the base (1) below the lower sealing plate (2); the tabletop comprises a triangular plate (3), a sharp plate (4) and a core plate (5);

the telescopic joint consists of support pipes (6) and electric cylinders (29), wherein a plurality of support pipes (6) are connected in a sleeved mode, the electric cylinders (29) are arranged in the centers of the support pipes (6), the support pipes (6) and the electric cylinders (29) at the lower ends are respectively and fixedly connected with the base (1), and the support pipes (6) at the upper ends and piston rods of the electric cylinders (29) are respectively and fixedly connected with the rotary flange; an outer flange is arranged on the circumference of the lower end head of the support tube (6), and an inner flange is arranged on the inner wall of the upper end head of the support tube (6);

The folding mechanism consists of a rotary flange, a core plate lifting device and a tip plate folding device, wherein the core plate lifting device is arranged on the rotary flange, and the tip plate folding device is arranged on the rotary flange at the outer side of the core plate lifting device;

The tip plate folding device is composed of a central rotary table (8), tip plate slide ways (9), triangular plate slide ways (10), sliding blocks (11) and a central top disc (12), the center rotary table (8) is uniformly distributed with the tip plate slide ways (9) in a radial shape by taking the center of the central rotary table (8) as the center of a circle, the triangular plate slide ways (10) are radially arranged on the central rotary table (8) between the tip plate slide ways (9), the sliding blocks (11) are movably arranged on the triangular plate slide ways (10) and the tip plate slide ways (9) through sliding rails respectively, a sliding block sleeve (13) is movably sleeved on the sliding blocks (11) on the tip plate slide ways (9), the top end face of the sliding block sleeve (13) is fixedly connected with the tip plates (4), and the top end face of the sliding blocks (11) on the triangular plate slide ways (10) are fixedly connected with the triangular plates (3); a central top disc (12) is arranged above the central turntable (8), the central top disc (12) is movably connected with the sliding block (11) through a connecting rod (14), and waist holes (15) are uniformly distributed on the central top disc (12); the center turntable (8) and the center top disk (12) are respectively annular bodies.

2. A combination folding table and chair as in claim 1 wherein: a tip plate lifting guide rail (16) is arranged on the tip plate slideway (9) below the slider sleeve (13) in parallel with the slideway, and the tip plate lifting guide rail (16) is in sliding connection with the slider sleeve (13).

3. A combination folding table and chair as in claim 1 wherein: the core plate lifting device consists of a top disc (17), a core plate base (18) and a guide limiting rod (19), wherein the core plate base (18) is arranged 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 the core plate (5); guide limit rods (19) are uniformly distributed on the core plate base (18) at the outer side of the ejector rod (20) and correspond to the waist holes (15), and the guide limit rods (19) penetrate through the waist holes (15) to be movably inserted and connected with the central turntable (8).

4. A combination folding table and chair as in claim 3 wherein: the circumference of the top disc (17) is provided with a core lifting guide rail (21) in an annular uniformly distributed manner, and the core lifting guide rail (21) is in sliding connection with the ejector rod (20).

5. A combination folding table and chair as in claim 1 wherein: the rotary flange consists of a mounting plate (22), assembly blocks (23) and supporting guide rods (24), wherein the assembly blocks (23) are uniformly distributed on the mounting plate (22) in a ring shape, the supporting guide rods (24) are arranged on the assembly blocks (23), the assembly blocks (23) are in sliding connection with the inner wall of the central turntable (8), and the top end face of the assembly blocks (23) is fixedly connected with the central top disk (12); the mounting plate (22) at the inner side of the assembly block (23) is fixedly connected with the top plate (17); the rotary flange is fixedly connected with the telescopic joint through a mounting plate (22).

6. A combination folding table and chair as in claim 5 wherein: the supporting 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 in sliding sealing connection with the lower sealing plate (2).

7. A combination folding table and chair as in claim 1 wherein: the folding chair consists of a chair surface (26), mounting blocks (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 blocks (27).