CN112471804A

CN112471804A - Multifunctional intelligent dining chair

Info

Publication number: CN112471804A
Application number: CN202011322817.2A
Authority: CN
Inventors: 李建煌; 李娜; 李建阳
Original assignee: Shenzhen Gediao Household Furniture Co ltd
Current assignee: Shenzhen Gediao Household Furniture Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12

Abstract

The utility model relates to a multi-functional intelligent dining chair, it includes the seat support and is located a plurality of chair legs that seat support below supported, the chair leg includes that one end is connected in the seat support bottom prop the leg and with prop the leg and keep away from the one end of seat support and can dismantle the activity leg of being connected, the activity leg is close to the terminal surface that props the leg and has seted up the gomphosis groove, the terminal surface that props the leg and be provided with the post of inserting of pegging graft with the gomphosis groove cooperation, the post of inserting is kept away from the terminal surface that props the leg and is seted up the built-in groove of the one end cooperation of propping the leg with the activity leg and peg graft, being less than gomphosis groove. This application can adjust the overall length of chair leg, makes dining chair can satisfy the children of the size petite and adult's height of having a dinner, can be suitable for the crowd of different grade type to use, improves the practicality.

Description

Multifunctional intelligent dining chair

Technical Field

The application relates to the field of furniture, especially, relate to a multi-functional intelligent dining chair.

Background

The dining chair is a chair for people to sit during dining, is generally designed into a simple structure when being used in families or public places, mostly adopts a wooden dining chair, and is designed according to the height and the body shape of common adults.

At present, a dining chair generally comprises a seat for a person to sit on and four legs supported by the bottom of the seat, wherein a chair back is fixed on one side above the seat and can be used for a backrest of the person, so that the comfort of sitting on the chair is improved.

For children, the height of the common dining chair cannot meet the requirement of children with small body sizes, the dining height of the dining table cannot be reached when the children use the dining chair, the dining chair is difficult to be suitable for people in different stages to use, and the practicability is low.

Disclosure of Invention

In order to adjust the height of the dining chair, so that the dining chair is suitable for people in different stages, the application provides a multifunctional intelligent dining chair.

The application provides a multi-functional intelligent dining chair adopts following technical scheme:

the utility model provides a multi-functional intelligent dining chair, includes the seat support and is located a plurality of chair legs that the seat support below supported, the chair leg includes that one end is connected in the seat support bottom prop the leg and with prop the leg and keep away from the one end of seat support and can dismantle the activity leg of being connected, the activity leg is close to the terminal surface that props the leg and has seted up the gomphosis groove, the terminal surface that props the leg and is provided with the post of inserting of pegging graft with the gomphosis groove cooperation, insert the post and keep away from the terminal surface that props the leg and set up the built-in groove of pegging graft with the one end cooperation that the leg was kept away from to the activity leg prop leg length direction's built-in.

Adopt above-mentioned technical scheme, the chair leg of this structure has two kinds of combination modes, when adjusting adult user state with the dining table, will insert the post and insert the gomphosis inslot portion, utilize the fore-set to fix afterwards, the whole length of chair leg is shorter, can satisfy the high requirement that adult's use of having dinner, when adjusting the state that children used with the dining table, will insert the post and break away from the gomphosis groove, upset activity leg, make the bottom of activity leg insert the inside in-built groove, because the length in-built groove is less than the length in gomphosis groove, thereby make the whole length of chair leg increase, dining chair can satisfy the petitious children height of having a small and weak figure, this dining chair can height-adjusting uses in order to be suitable for the crowd of different grade type, and.

Preferably, the nail column comprises a nail head and a column body which are integrally formed, an alignment hole penetrating through the nail head and the built-in groove is formed in the side wall of the insertion column, a first connection hole penetrating through the movable leg and the built-in groove is formed in the side wall of the movable leg, when the insertion column is inserted in the built-in groove, the column body is inserted in the alignment hole and the first connection hole which are aligned with each other, a second connection hole penetrating through the side wall of the movable leg far away from the supporting leg is formed in the side wall of the movable leg, when one end of the movable leg far away from the supporting leg is inserted in the built-in groove, the column body is inserted in the alignment hole and the second connection hole which are aligned with each other, and a limiting assembly is arranged at the.

By adopting the technical scheme, when the dining chair is adjusted to the height used by adults, the inserting columns are inserted into the embedding grooves, the column bodies penetrate through the aligned aligning holes and the first connecting holes, the movable legs are connected with the supporting legs, the chair seats are stably supported by the chair legs, and then the column bodies are prevented from being separated from the aligning holes and the first connecting holes by the limiting assemblies; when the dining chair is adjusted to the height for children to use, the bottom of the movable leg is inserted into the built-in groove, the column body is inserted into the aligned alignment hole and the second connecting hole, the chair legs are fixed, the overall length of the chair legs is increased, then the column body is prevented from being separated from the alignment hole and the second connecting hole by the limiting assembly, and the dining table can meet the dining height of the children with the small figures.

Preferably, the limiting assembly comprises a cylinder and a bolt, the cylinder is sleeved on the cylinder body, the cylinder is provided with a through hole which is spliced with the bolt, the cylinder body is provided with a plurality of limiting holes, and the bolt is inserted in the limiting holes aligned with the through hole.

By adopting the technical scheme, the cylinder slides on the column body, the through hole is aligned with the corresponding limiting hole, then the bolt is inserted into the aligned limiting hole and the through hole, the cylinder is fixed on the column body, the cylinder can limit the column body to be separated from the chair leg, and the connection stability of the movable leg and the supporting leg is improved.

Preferably, a spring for driving the bolt to be stably inserted into the limiting hole is arranged in the through hole.

By adopting the technical scheme, the spring provides acting force towards the direction of the limiting hole for the plug pin, so that the plug pin is stably inserted into the limiting hole, and the connection stability of the movable leg and the supporting leg can be improved.

Preferably, a top side of seat support is provided with the back of the chair, the three lateral wall that the back of the chair was kept away from to the seat support all is provided with holds up the pole, hold up the pole and include the pole setting that horizon bar and one end and horizon bar middle part are connected perpendicularly, the one end that the horizon bar was kept away from to the pole setting is rotated with the lateral wall that the back of the chair was kept away from to the seat support and is connected, all through fixed subassembly interconnect between the tip of two adjacent horizon bars and between horizon bar tip and the back.

By adopting the technical scheme, when the dining chair is adjusted to be in a child use state, the holding rods are turned to be in a vertical state, the ends of the adjacent horizontal rods are close to each other, and the ends of the horizontal rods and the chair back and the ends of the adjacent horizontal rods are fixed to each other through the fixing assemblies, so that the three holding rods and the chair back can be enclosed to form an enclosure, and a protection effect is provided for children sitting on the chair seat; meanwhile, the fixing component can be detached, the supporting rod is turned to one side of the chair seat downwards, and the supporting rod is prevented from obstructing the use of adults.

Preferably, fixed subassembly is close to including extending post, the lantern ring and nut two horizon bar terminal surfaces and the lantern ring of the back of the chair are connected, it is fixed in the relative both sides wall that the back of the chair is close to the horizon bar to extend the post, corresponding the lantern ring cup joints each other with the extension post, and is corresponding nut and extension post threaded connection keep away from the horizon bar lateral wall of the back of the chair and be located the position hoop that is close to the tip and seted up the annular, corresponding the lantern ring cup joints each other with the horizon bar tip of keeping away from the back of the chair, corresponding the nut and the horizon bar tip threaded connection who keeps away from the back of.

Adopt above-mentioned technical scheme, when adjusting children's user state with the dining chair, will hold up the pole upset to vertical state, the horizon bar tip of adjacent pole of holding up is close to each other, utilizes the lantern ring to cup joint in corresponding horizon bar annular trench position, utilizes nut threaded connection afterwards, fixes the lantern ring, makes three pole and back of the chair fixed connection of holding up, and children's shank can be followed and stretched out between two adjacent poles setting, can form stable envelope.

Preferably, the lateral wall that the back of the chair was kept away from to the seat support has been seted up and has been held up the pole and carry out the storage tank of accomodating, the storage tank includes the straight flute of accomodating the pole setting and the cross slot of accomodating the horizon bar, the length direction of straight flute is perpendicular with the corresponding lateral wall of seat support, the cross slot extends and is linked together with the straight flute along the corresponding lateral wall length direction of seat support, straight flute sliding connection has the slider, the slider is kept away from the one end rotation of horizon bar with the pole setting and is connected, the slider is provided with the locating part that prevents it from.

Adopt above-mentioned technical scheme, when adjusting the dining chair to the state that adult used, the pole setting can be accomodate inside the straight flute, and the horizon bar is accomodate inside the cross slot, makes the structure of dining chair keep compact, holds up the pole and does not obstruct adult's use, and when children used, the pole was held up in the pulling breaks away from the storage tank, and the slider slides in the straight flute is inside simultaneously, and the locating part is placed the slider and is broken away from the storage tank, makes and holds up pole and seat support and remain connected state all the time.

Preferably, the locating part sets up the lug for being fixed in the slider lateral wall, the spacing groove that extends to the cross slot inside along its length direction is seted up to the cell wall of straight flute, lug and spacing groove sliding connection, the seat support top surface just is located the side of keeping away from the back of the chair and sets up the groove of dodging that is linked together with the cross slot, the pole setting cooperation joint of groove and vertical state of dodging.

Adopt above-mentioned technical scheme, hold up the in-process that the pole pulled out the storage tank, the slider slides at straight inslot portion, and the lug slides in spacing inslot portion simultaneously, can inject the displacement distance of slider, avoids the slider to remove and breaks away from the storage tank, makes to hold up pole and seat support stable connection.

Preferably, one side edge of the lantern ring is rotatably connected with the side edge of the end face of the corresponding horizontal rod, and the plane of the lantern ring can be folded and attached to the end face of the horizontal rod.

Adopt above-mentioned technical scheme, when accomodating holding up the pole, with the folding laminating in the terminal surface position of horizon bar in the plane of the lantern ring, accomodate the horizon bar inside the transverse groove afterwards, can reduce the area of transverse groove, increase the solid area of seat support, keep the self intensity of seat support, improve the compactness of dining chair structure simultaneously.

Preferably, the mounting groove has been seted up to the inside of the back of the chair, be provided with acoustic control bluetooth sound equipment in the mounting groove, the notch lid of mounting groove has closed the closing plate.

By adopting the technical scheme, the sound control Bluetooth sound box can play music in the using process of children or adults, so that the appetite is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the chair legs of the structure have two combination modes, when the dining table is adjusted to be in a use state of an adult, the inserting columns are inserted into the embedding grooves and then fixed by the top columns, the overall length of the chair legs is shorter, the height requirement of the adult for dining use can be met, when the dining table is adjusted to be in a use state of children, the inserting columns are separated from the embedding grooves, the movable legs are turned over, the bottom ends of the movable legs are inserted into the embedding grooves, and the length of the embedding grooves is smaller than that of the embedding grooves, so that the overall length of the chair legs is increased, the dining chair can meet the dining height of the children with small body shapes, the height of the dining chair can be adjusted to be suitable for people of different types, and the practicability is improved;

2. when the dining chair is adjusted to the height used by adults, the inserting columns are inserted into the embedding grooves, the column bodies penetrate through the aligning holes and the first connecting holes to connect the movable legs with the supporting legs, so that the chair legs stably support the chair seat, and then the limiting assemblies are used for preventing the column bodies from being separated from the aligning holes and the first connecting holes; when the dining chair is adjusted to the use height of children, the bottoms of the movable legs are inserted into the built-in grooves, the column bodies are inserted into the aligned alignment holes and the second connecting holes, the chair legs are fixed, the overall length of the chair legs is increased, and then the column bodies are prevented from being separated from the alignment holes and the second connecting holes by utilizing the limiting assemblies;

3. when the dining chair is adjusted to a child use state, the holding rods are turned to a vertical state, the ends of the adjacent horizontal rods are close to each other, the ends of the horizontal rods are sleeved with the chair back and the ends of the adjacent horizontal rods through lantern rings, then the three holding rods are fixedly connected with the chair back through nut threaded connection, the legs of the child can extend out from the two adjacent vertical rods, so that the three holding rods and the chair back can be enclosed to form an enclosure, and a protection effect is provided for the child sitting on the chair seat;

4. when adjusting the dining chair to the state that adult used, the pole setting can be accomodate inside the straight flute, and the horizontal pole is accomodate inside the cross slot, makes the structure of dining chair keep compacter, holds up the pole and does not hinder adult's use.

Drawings

FIG. 1 is a schematic diagram of an adult use state of a multifunctional intelligent dining chair according to an embodiment of the present application;

FIG. 2 is a schematic vertical sectional view of a multifunctional intelligent dining chair in a child-use state according to an embodiment of the present application;

FIG. 3 is a schematic sectional view of a chair leg in a child use state according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a multifunctional intelligent dining chair in a child-use state according to an embodiment of the present application;

figure 5 is a cross sectional view of a child using state of the multifunctional intelligent dining chair in the embodiment of the present application.

Description of reference numerals: 1. a chair seat; 11. a containing groove; 111. a straight groove; 112. a transverse groove; 12. a limiting groove; 13. an avoidance groove; 2. a chair leg; 21. supporting legs; 211. inserting a column; 2111. a built-in groove; 2112. aligning the holes; 22. a movable leg; 221. a fitting groove; 222. a first connection hole; 223. a second connection hole; 3. a chair back; 31. extending the column; 32. mounting grooves; 33. a voice-controlled Bluetooth speaker device; 34. a closing plate; 4. a support rod; 41. erecting a rod; 411. a collar; 412. a slider; 42. a horizontal bar; 421. a ring groove; 422. a nut; 5. nailing columns; 51. a nail head; 52. a column body; 521. a limiting hole; 6. a cylinder; 61. perforating; 611. a bolt; 612. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses multi-functional intelligent dining chair, referring to fig. 1, intelligent dining chair includes that the seat support 1, four that the level set up are fixed in the chair leg 2 of four bight positions of 1 bottom surface of seat support respectively and are fixed in the back of the chair 3 of 1 top surface one of them side of seat support, 2 vertical settings of chair leg.

Referring to fig. 1 and 2, the cross-section of chair leg 2 is circular setting, the diameter of chair leg 2 reduces along the direction of the seat support 1 one side of dorsad gradually, chair leg 2 includes movable leg 22 and props leg 21, the one end that props leg 21 is fixed in the bottom surface of seat support 1, movable leg 22 can be dismantled to be connected in propping leg 21 and keep away from seat support 1 one end, the terminal surface that movable leg 22 is close to and props leg 21 has seted up the gomphosis groove 221, prop leg 21 and be close to movable leg 22 one end an organic whole and extend and have inserted column 211, inserted column 211 is pegged graft with the gomphosis groove 221 cooperation, movable leg 22 links up each other with the edge that props.

The end of the insertion column 211 far away from the leg 21 is provided with a built-in groove 2111, the built-in groove 2111 can be matched and inserted with the end of the movable leg 22 far away from the leg 21, when the length of the built-in groove 2111 in the axis direction of the leg 21 is smaller than that of the embedding groove 221, the insertion column 211 is separated from the embedding groove 221, and the end of the movable leg 22 far away from the embedding groove 221 is inserted into the built-in groove 2111 when the dining chair needs to be heightened, at this time, the whole length of the chair leg 2 is increased, the height of the dining chair is improved, and the dining chair can be suitable for children with small statu.

The movable leg 22 and the supporting leg 21 are fixed through the nail post 5, the nail post 5 comprises a nail head 51 and a post body 52 with one end integrally formed on the nail head 51, the cross section of the post body 52 is square, the insertion post 211 is provided with an alignment hole 2112 penetrating through the insertion post and the built-in groove 2111, the side wall of the movable leg 22 close to the built-in groove 2111 is provided with a first connection hole 222 penetrating through the insertion post and the built-in groove 2111, when the insertion post 211 is inserted into the embedding groove 221, the alignment hole 2112 is aligned with the first connection hole 222, the post body 52 is inserted into the alignment hole 2112 and the first connection hole 222 which are aligned with each other in a matching manner, and the connection stability of the supporting leg 21 and the movable leg 22 is enhanced; the side wall of the movable leg 22 far from the built-in groove 2111 is provided with a second connecting hole 223 penetrating through the movable leg 22, when one end of the movable leg 22 far from the embedding groove 221 is inserted into the built-in groove 2111, the aligning hole 2112 and the second connecting hole 223 are aligned with each other, the column body 52 is inserted into the aligning hole 2112 and the second connecting hole 223 which are aligned with each other in a matching mode, the diameter of the nail head 51 is larger than the diameters of the aligning hole 2112, the first connecting hole 222 and the second connecting hole 223, and stability of the chair leg 2 is enhanced.

Referring to fig. 2 and 3, a limiting component is detachably connected to one end of the column body 52, which is far away from the pin head 51, and includes a cylinder 6, a pin 611 and a spring 612, the cylinder 6 is fittingly sleeved outside the column body 52, a through hole 61 penetrating through the cylinder 6 is formed in a side wall of the cylinder 6, a plurality of limiting holes 521 are formed in one side wall of the column body 52 along the length direction of the side wall, the through hole 61 corresponds to the limiting holes 521, the pin 611 is fittingly inserted into the through hole 61 and the limiting holes 521 aligned with each other, the cylinder 6 is fixed on the column body 52, the pin head 51 is prevented from being separated from the chair leg 2, and the connection stability of the movable leg 22 and. The spring 612 is sleeved on the side wall of the bolt 611 located in the through hole 61, one end of the spring 612 close to the column body 52 is connected with the bolt 611, one end of the spring 612 far away from the column body 52 is connected with the side wall of the through hole 61 far away from the column body 52, and the spring 612 is used for supporting the bolt 611 to be fixedly inserted in the through hole 61 and the limiting hole 521, so that the connection stability of the bolt 611 and the cylinder 6 is enhanced.

Referring to fig. 4 and 5, the middle portions of the three side walls of the seat 1 far from the backrest 3 are all provided with a containing groove 11, the containing groove 11 includes a straight groove 111 and a horizontal groove 112, the straight groove 111 is located in the middle portion of the corresponding side wall of the seat 1 and is perpendicular to the side wall, the horizontal groove 112 extends along the length direction of the corresponding side wall of the seat 1, and the horizontal groove 112 is communicated with the corresponding straight groove 111 and is perpendicular to the same.

The inside of storage tank 11 can be pegged graft and have held up pole 4 that the cross-section is the T shape setting, holds up pole 4 and includes pole setting 41 and horizon bar 42, and the one end vertical fixation of pole setting 41 is in the middle part position of horizon bar 42, and inside pole setting 41 can be pegged graft and is established straight flute 111, inside horizon bar 42 can be pegged graft and is established horizontal flute 112, and the cross-section of horizon bar 42 is circular setting. One end of the vertical rod 41, which is far away from the horizontal rod 42, is rotatably connected with a sliding block 412, the sliding block 412 is in sliding connection with the straight groove 111, the holding rod 4 can be pulled to be separated from the accommodating groove 11, the sliding block 412 simultaneously slides in the straight groove 111, and the vertical rod 41 is rotated to be in a vertical state, so that the three holding rods 4 can be spliced with the chair back 3 above the chair seat 1 to enclose the children on the chair seat 1, and the space between the two adjacent vertical rods 41 can be used for the legs of the children to pass through. The sliding blocks 412 are limited by the sliding pieces to slide in the accommodating grooves 11, the end parts of two adjacent horizontal rods 42 are close to each other, the three horizontal rods 42 are located at the same horizontal height position, and the end parts of two adjacent horizontal rods 42 and the end parts of the horizontal rods 42 and the chair back 3 are connected with each other through fixing components.

The fixed subassembly includes two extension posts 31, four lantern rings 411 and four nuts 422, and the horizontal pole 42 of keeping away from back of the chair 3 is close to the lateral wall hoop of its tip and has seted up annular 421, and annular 421 runs through the tip of horizontal pole 42. The four lantern rings 411 are connected to two horizontal rods 42 close to the chair back 3 in a group in pairs, and the two lantern rings 411 in the same group are connected to two end faces of the corresponding horizontal rods 42 respectively. The two extending columns 31 are respectively fixed on two opposite side walls of the chair back 3 close to the horizontal rod 42, and the extending columns 31 and the horizontal rod 42 are positioned at the same horizontal height position. Extension lines of the two horizontal rods 42 close to the chair back 3 are intersected with the corresponding extension columns 31, and the lantern rings 411 close to the extension columns 31 are sleeved on the corresponding extension columns 31; the extension lines of the two horizontal rods 42 close to the chair back 3 are intersected with the horizontal rods 42 far away from the chair back 3, the lantern ring 411 close to the ring groove 421 is sleeved at the end part of the corresponding horizontal rod 42 and is positioned inside the ring groove 421, so that the three support rods 4 and the chair back 3 are connected with each other pairwise.

The tank bottom of annular 421 and the lateral wall that extends post 31 all set up screw thread, and four nuts 422 are threaded sleeve respectively and are located two and extend post 31 and keep away from the horizontal pole 42 both ends of back of the chair 3, fix the connection of lantern ring 411, hold up between 4 and the pole of holding up 4, hold up the joint strength between 4 and the back of the chair 3 of pole, and the height of dining chair can supply children to take a seat, holds up 4 simultaneously that pole provides the guard action.

The profile of the lantern ring 411 is the same as the cross-sectional profile of the horizontal rod 42, one side of the lantern ring 411 is rotatably connected with the side edge of the end surface of the corresponding horizontal rod 42, when the horizontal rod 42 is stored in the transverse groove 112, the plane of the lantern ring 411 can be folded and attached to the end surface of the horizontal rod 42, one surface of the lantern ring 411, back to the horizontal rod 42, is abutted against the side wall of the transverse groove 112, the horizontal rod 42 can be conveniently stored, the structural space is saved, and the structure compactness is improved.

Referring to fig. 2 and 5, the sliding member includes two protrusions, the upper and lower sides of the inner wall of the straight groove 111 are both provided with a limiting groove 12 extending along the length direction thereof, the limiting groove 12 is communicated with the transverse groove 112, the two protrusions are respectively fixed on the two opposite side walls of the sliding block 412, and the protrusions are slidably connected with the corresponding limiting grooves 12. Spacing is left with the corresponding lateral wall of seat support 1 to spacing groove 12, can avoid slider 412 to break away from storage tank 11, and the groove 13 of dodging that is linked together with transverse groove 112 is all seted up at the three edge that the back of the chair 3 was kept away from to seat support 1 top surface, and when slider 412 moved the position that spacing groove 12 is close to transverse groove 112 one end, the pole setting 41 that overturns to vertical state can with dodge groove 13 cooperation joint.

Referring to fig. 1, a mounting groove 32 is formed in the chair back 3, a voice-controlled bluetooth speaker device 33 is installed in the mounting groove 32, and a sealing plate 34 covers a notch of the mounting groove 32.

The implementation principle of the embodiment of the application is as follows: when the dining table is adjusted to be in an adult use state, the embedded groove 221 of the movable leg 22 is fixedly connected with the inserted column 211 of the supporting leg 21, and the nail column 5 is inserted into the aligned alignment hole 2112 and the first connecting hole 222 to mutually fix the movable leg 22 and the supporting leg 21. The upright rod 41 of the handrail 4 is accommodated in the straight groove 111 of the accommodating groove, and the horizontal rod 42 is accommodated in the transverse groove 112, so that the use of the dining chair is not obstructed, and the structure of the dining chair is compact.

When the dining table is adjusted to a child use state, the insertion post 211 is separated from the embedding groove 221, the bottom of the movable leg 22 is inserted into the internal groove 2111 and fixed by the nail post 5, and at this time, the whole length of the chair leg 2 is increased, so that the dining height of the child can be met. Will hold up pole 4 and draw out from holding tank 11 is inside, slider 412 avoids breaking away from holding tank 11 through lug 4121 at the inside slip of spacing groove 12, the tip of adjacent horizon bar 42 utilizes the lantern ring 411 to cup joint and fixes, the tip of horizon bar 42 cup joints in extending post 31 and with back of the chair 3 reciprocal anchorage through the lantern ring 411, make three pole 4 and the back of the chair 3 of holding up enclose, children's shank can be followed and stretched out between two adjacent pole settings 41, improve the guard action at children's dining in-process, the security is high.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multifunctional intelligent dining chair comprises a chair seat (1) and a plurality of chair legs (2) which are supported below the chair seat (1), it is characterized in that the chair legs (2) comprise a supporting leg (21) with one end connected with the bottom of the chair seat (1) and a movable leg (22) detachably connected with one end of the supporting leg (21) far away from the chair seat (1), the end surface of the movable leg (22) close to the supporting leg (21) is provided with an embedded groove (221), the end surface of the supporting leg (21) close to the movable leg (22) is provided with an inserting column (211) which is matched and inserted with the embedding groove (221), the end surface of the inserted column (211) far away from the supporting leg (21) is provided with a built-in groove (2111) which is matched and spliced with one end of the movable leg (22) far away from the supporting leg (21), the length of the built-in groove (2111) in the length direction of the supporting leg (21) is smaller than that of the embedding groove (221), the movable leg (22) and the support leg (21) are fixed with each other through the nail column (5).

2. The multifunctional intelligent dining chair according to claim 1, wherein the nail post (5) comprises a nail head (51) and a post body (52) which are integrally formed, the side wall of the insertion post (211) is provided with an alignment hole (2112) penetrating through itself and the built-in groove (2111), the side wall of the movable leg (22) is provided with a first connection hole (222) penetrating through itself and the fitting groove (221), when the insertion post (211) is inserted into the fitting groove (221), the post body (52) is inserted into the alignment hole (2112) and the first connection hole (222) which are aligned with each other, the side wall of the movable leg (22) far away from the supporting leg (21) is provided with a second connection hole (223) penetrating through, when one end of the movable leg (22) far away from the supporting leg (21) is inserted into the built-in groove (2111), the post body (52) is inserted into the alignment hole (2112) and the second connection hole (223) which are aligned with each other, the end part of the column body (52) far away from the nail head (51) is provided with a limiting component.

3. The multifunctional intelligent dining chair as claimed in claim 2, wherein the limiting component comprises a cylinder (6) and a bolt (611) sleeved on the column body (52), the cylinder (6) is provided with a through hole (61) inserted with the bolt (611), the column body (52) is provided with a plurality of limiting holes (521), and the bolt (611) is inserted in the limiting hole (521) aligned with the through hole (61).

4. The multifunctional intelligent dining chair of claim 3, wherein the through hole (61) is internally provided with a spring (612) for driving the bolt (611) to be stably inserted into the limiting hole (521).

5. The multifunctional intelligent dining chair according to claim 1, wherein a chair back (3) is arranged on one side of the top of the chair seat (1), the three side walls of the chair seat (1) far away from the chair back (3) are respectively provided with a holding rod (4), each holding rod (4) comprises a horizontal rod (42) and a vertical rod (41) with one end vertically connected with the middle of the horizontal rod (42), one end of each vertical rod (41) far away from the horizontal rod (42) is rotatably connected with the side wall of the chair seat (1) far away from the chair back (3), and the end portions of two adjacent horizontal rods (42) and the end portions of the horizontal rods (42) and the chair back (3) are connected with each other through fixing components.

6. A multifunctional intelligent dining chair as claimed in claim 5, wherein said fixing component comprises an extension column (31), a collar (411) and a nut (422), the two horizontal rods (42) near the chair back (3) are connected with the collar (411) at the end, extend post (31) and be fixed in the relative both sides wall that back of the chair (3) is close to horizon bar (42), it is corresponding lantern ring (411) cup joint each other with extension post (31), it is corresponding nut (422) and extension post (31) threaded connection keep away from horizon bar (42) lateral wall of the back of the chair (3) and be located the position hoop that is close to the tip and seted up annular (421), it is corresponding the lantern ring (411) cup joint each other with horizon bar (42) tip of keeping away from the back of the chair (3), it is corresponding nut (422) and horizon bar (42) tip threaded connection of keeping away from the back of the chair (3).

7. The multifunctional intelligent dining chair according to claim 6, wherein the side wall of the chair seat (1) far away from the chair back (3) is provided with a containing groove (11) for containing the holding rod (4), the containing groove (11) comprises a straight groove (111) for containing the vertical rod (41) and a transverse groove (112) for containing the horizontal rod (42), the length direction of the straight groove (111) is perpendicular to the corresponding side wall of the chair seat (1), the transverse groove (112) extends along the length direction of the corresponding side wall of the chair seat (1) and is communicated with the straight groove (111), the straight groove (111) is slidably connected with a sliding block (412), the sliding block (412) is rotatably connected with the end of the vertical rod (41) far away from the horizontal rod (42), and the sliding block (412) is provided with a limiting part for preventing the sliding block from being separated from the containing groove (11).

8. The multifunctional intelligent dining chair according to claim 7, wherein the limiting member is a protrusion fixed on the side wall of the sliding block (412), the wall of the straight groove (111) is provided with a limiting groove (12) extending to the inside of the horizontal groove (112) along the length direction thereof, the protrusion is slidably connected with the limiting groove (12), the side of the top surface of the chair seat (1) far away from the chair back (3) is provided with an avoiding groove (13) communicated with the horizontal groove (112), and the avoiding groove (13) is in fit joint with the vertical rod (41) in the vertical state.

9. A multifunctional intelligent dining chair as claimed in claim 6, wherein one side of said collar (411) is pivotally connected to the end side of the corresponding horizontal bar (42), and the plane of said collar (411) is foldable to fit the end of the horizontal bar (42).

10. The multifunctional intelligent dining chair according to claim 5, wherein a mounting groove (32) is formed in the chair back (3), sound control Bluetooth sound equipment is arranged in the mounting groove (32), and a sealing plate (34) is covered on a notch of the mounting groove (32).