CN113229595B

CN113229595B - Folding table

Info

Publication number: CN113229595B
Application number: CN202110581432.6A
Authority: CN
Inventors: 黄维
Original assignee: Haitai Oulin Group South China Co Ltd
Current assignee: Haitai Oulin Group South China Co Ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-11-18
Anticipated expiration: 2041-05-26
Also published as: CN113229595A

Abstract

The invention relates to the technical field of furniture and discloses a folding table which comprises a panel and two table leg assemblies, wherein each table leg assembly comprises a bottom box and a table leg, the bottom box is arranged at the bottom end of the panel, the bottom box is provided with an inner cavity, and a guide column is fixedly arranged in the bottom box; the desk legs comprise cross beams and supporting legs, the supporting legs are arranged on the cross beams, the cross beams penetrate through the inner cavity of the bottom box and are movably connected in the inner cavity of the bottom box between the unfolding position and the folding position; the beam is provided with a rotating groove and a linear groove, the rotating groove and the linear groove are used for enabling the guide post to slide, the rotating groove is communicated with the linear groove, the rotating groove is obliquely arranged relative to the central axis of the beam, the linear groove is parallel to the central axis of the beam, one side, away from the linear groove, of the rotating groove is a first limiting position, and one side, away from the rotating groove, of the linear groove is a second limiting position. The invention provides a folding table, which aims to achieve the purpose of enabling the folding table to have a folding function.

Description

Folding table

Technical Field

The invention relates to the technical field of furniture, in particular to a folding table.

Background

As a common furniture, a table can be used as an office table, a dining table, a desk, a computer desk, a desk and the like, and thus, the folding table has an increasingly wide application range in daily life of people.

It is understood that the existing tables are largely divided into two types, the first type in which the table top and the legs are fixed together and the second type in which the table top and the legs can be separated. However, both of the above-mentioned tables have a certain problem, and for the first table, since the table top and the table legs cannot be separated, when the table is moved, the folding table needs to be moved integrally, which is very inconvenient;

for the second table, when the table is moved, the table top and the table legs need to be separated; when the table is transported to a destination, the table top and the table legs need to be installed, and therefore, the transportation process of the table is very inconvenient.

Disclosure of Invention

The purpose of the invention is: the invention provides a folding table, which aims to achieve the purpose of enabling the folding table to have a folding function.

To achieve the above objects, the present invention provides a folding table, which comprises a panel and two leg assemblies, wherein the leg assemblies comprise:

the bottom box is arranged at the bottom end of the panel, an inner cavity is formed in the bottom box, and a guide column is fixedly arranged in the bottom box;

the table legs comprise cross beams and supporting legs, the supporting legs are arranged on the cross beams, the cross beams penetrate through the inner cavity of the bottom box and are movably connected in the inner cavity of the bottom box between the unfolding position and the folding position; the cross beam is provided with a rotating groove and a linear groove for the guide post to slide, the rotating groove is communicated with the linear groove, the rotating groove is obliquely arranged relative to the central axis of the cross beam, the linear groove is parallel to the central axis of the cross beam, one side of the rotating groove, which is far away from the linear groove, is a first limiting position, and one side of the linear groove, which is far away from the rotating groove, is a second limiting position;

when the cross beam is at the folding position, the guide column is clamped at the first limiting position, and the support legs are folded at the bottom end of the panel; when the cross beam is in the unfolding position, the guide column is clamped at the second limiting position, and the support legs are vertically arranged at the bottom end of the panel.

In some embodiments of the present application, the leg assembly further comprises a limiting device, the limiting device comprises an outer end and an inner end, the inner end of the limiting device is arranged in the inner cavity of the bottom box, the inner end of the limiting device is connected with the inner wall of the bottom box through an elastic member, and the outer end of the limiting device is arranged outside the bottom box;

the cross beam is provided with a first limiting hole and a second limiting hole, and the first limiting hole and the second limiting hole are arranged on the cross beam in a staggered mode;

setting the extending direction of the central axis of the cross beam as an axial direction, setting the axial spacing distance between the circle center of the first limiting hole and the circle center of the second limiting hole as a first distance, setting the axial spacing distance between the circle center of the first limiting position and the circle center of the second limiting position as a second distance, and setting the first distance and the second distance to be equal;

when the cross beam is at the folding position, the inner end of the limiting device is inserted into the first limiting hole; when the cross beam is at the unfolding position, the inner end of the limiting device is arranged in the second limiting hole.

In some embodiments of the present application, the number of the limiting devices is two, two bosses are disposed on the outer side of the bottom case, the bosses are provided with through holes, the number of the first limiting holes is two, the number of the second limiting holes is two, and the rotating groove and the linear groove are located between the two first limiting holes and the two second limiting holes; recording the axial distance between the two first limiting holes as a third distance, the axial distance between the two second limiting holes as a fourth distance, the axial distance between the two through holes as a fifth distance, and the third distance, the fourth distance and the fifth distance being equal;

the stop device includes:

the handle rod is provided with an outer end and two inner ends, and the outer end of the handle rod is the outer end of the limiting device;

the number of the connecting rods is two, the connecting rods are provided with outer ends and inner ends, and the outer ends of the connecting rods are connected with the inner ends of the hand levers; the inner end of the connecting rod penetrates through the through hole of the boss and is arranged in the inner cavity of the bottom box;

the number of the positioning parts is two, the positioning parts are connected with the inner ends of the connecting rods, the elastic parts are sleeved outside the connecting rods, one ends of the elastic parts are connected with the positioning parts, the other ends of the elastic parts are connected with the inner walls of the bottom boxes, and the positioning parts are the inner ends of the limiting devices;

when the cross beam is at the folding position, the positioning piece is inserted into the first limiting hole; when the cross beam is at the unfolding position, the positioning piece is inserted into the second limiting hole.

In some embodiments of the present application, the first limiting hole and the second limiting hole, which are disposed close to each other, are disposed in a form of a pair of two limiting hole groups, two fixed cylinders are fixedly disposed in the beam, and the fixed cylinders are provided with a third limiting hole and a fourth limiting hole corresponding to the limiting hole groups;

the third limiting hole is arranged corresponding to the first limiting hole, the fourth limiting hole is arranged corresponding to the second limiting hole, and when the cross beam is at the folding position, the positioning piece is inserted into the third limiting hole; when the cross beam is at the unfolding position, the positioning piece is inserted into the fourth limiting hole.

In some embodiments of the present application, the cross-sectional shapes of the third limiting hole, the fourth limiting hole, and the positioning member are conical.

In some embodiments of the present application, the limiting device further includes a limiting ring, the limiting ring is disposed on the connecting rod, the limiting ring is close to the outer end of the connecting rod, and the diameter of the limiting ring is greater than the diameter of the through hole.

In some embodiments of the present application, two of the limiting devices are located between two of the legs.

In some embodiments of this application, the swivelling chute with the cross connection point has between the straight line groove, two the table leg is first table leg and second table leg respectively, establishes the centre of a circle of the first limit position of the straight line groove of first table leg to rather than corresponding the direction of cross connection point is first directional, establishes the centre of a circle of the second limit position of the straight line groove of second table leg to with corresponding the direction of cross connection point is the second directional, first directional with the second is opposite.

In some embodiments of the present application, a plurality of arc seats are provided in the bottom case, and the cross beam is rotatably connected to the arc seats.

In some embodiments of this application, the crossbeam through the top hold in the palm with the bottom of panel is connected, the top hold in the palm be equipped with two with the corresponding inside wall of the lateral wall of crossbeam, the crossbeam rotate connect in the inside wall that the top held in the palm.

The embodiment of the invention provides a folding table, which has the following beneficial effects compared with the prior art:

according to the folding table provided by the embodiment of the invention, when the folding table needs to be converted from the unfolding position to the folding position, the cross beam moves towards the direction close to the rotating groove until the guide post moves to the junction of the rotating groove and the linear groove, then the cross beam rotates until the guide post rotates to the first limiting position of the rotating groove, and at the moment, the folding table is in a folding state; when the folding table needs to be switched from the folding position to the unfolding position, the cross beam rotates towards the direction close to the linear groove until the guide post rotates to the junction of the rotating groove and the linear groove, then the cross beam moves until the guide post moves to the second limiting position of the linear groove, and at the moment, the folding table is in the unfolding state;

therefore, the folding table provided by the embodiment of the invention has a folding function, so that the folding table is convenient to carry.

Drawings

Fig. 1 is a schematic structural view of a folding table according to an embodiment of the present invention in an unfolded state.

Fig. 2 is a schematic structural view of the folding table according to the embodiment of the present invention in a folded state.

Figure 3 is a schematic view of a connection between the faceplate and the leg of the present invention.

Fig. 4 is a schematic view of the structure of fig. 3 at a.

Fig. 5 is a schematic view of the structure of fig. 3 at B.

Figure 6 illustrates a table leg of an embodiment of the present invention in an extended configuration.

Figure 7 illustrates a table leg constructed in accordance with an embodiment of the invention in a collapsed position.

FIG. 8 is a schematic view of a connection structure of a cross member and a support leg according to an embodiment of the present invention.

Fig. 9 is a schematic structural view of a fixed barrel of an embodiment of the present invention.

Figure 10 is a schematic view of the connecting structure of the fixing tube and the table leg of the embodiment of the invention.

Fig. 11 is a partial structural schematic view of a cross beam according to an embodiment of the present invention.

Fig. 12 is a partial structural schematic view of a cross beam according to an embodiment of the present invention.

Fig. 13 is a schematic view of a connecting structure of the bottom case and the limiting device according to the embodiment of the invention.

Fig. 14 is a schematic structural diagram of the back box according to the embodiment of the present invention.

In the figure, 1, panel; 2. a bottom case; 21. an inner cavity; 22. an arc-shaped seat; 3. a guide post; 4. desk legs; 41. a cross beam; 411. a rotating tank; 4111. a first limiting device; 412. a linear groove; 4121. a second limiting device; 413. a first limit hole; 414. a second limiting hole; 42. supporting legs; 5. a limiting device; 51. a handle; 52. a connecting rod; 53. a positioning member; 54. an elastic member; 55. a limiting ring; 6. a boss; 61. perforating; 7. a fixed cylinder; 71. a third limiting hole; 72. a fourth limiting hole; 8. and (6) jacking.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In order to achieve the above purpose, as shown in fig. 1 to 14, an embodiment of the present invention provides a folding table, which includes a panel 1 and two leg assemblies, each leg assembly includes a bottom box 2 and a leg 4, the bottom box 2 is disposed at the bottom end of the panel 1, the bottom box 2 is provided with an inner cavity 21, and a guide column 3 is fixedly disposed in the bottom box 2; the desk legs 4 comprise a cross beam 41 and supporting legs 42, the supporting legs 42 are arranged on the cross beam 41, the cross beam 41 penetrates through the inner cavity 21 of the bottom box 2 and is movably connected in the inner cavity 21 of the bottom box 2 between an unfolding position and a folding position; the cross beam 41 is provided with a rotating groove 411 and a linear groove 412 for the guide column 3 to slide, the rotating groove 411 is communicated with the linear groove 412, the rotating groove 411 is obliquely arranged relative to the central axis of the cross beam 41, the linear groove 412 is arranged in parallel relative to the central axis of the cross beam 41, one side of the rotating groove 411 away from the linear groove 412 is a first limit position 4111, and one side of the linear groove 412 away from the rotating groove 411 is a second limit position 4121;

when the beam 41 is in the folded position, the guide post 3 is clamped at the first limit position 4111, and the support leg 42 is folded at the bottom end of the panel 1; when the beam 41 is in the unfolded position, the guiding column 3 is clamped at the second limit position 4121, and the supporting leg 42 is vertically arranged at the bottom end of the panel 1.

Based on the above arrangement, when the foldable table according to the embodiment of the present invention needs to be switched from the unfolded position to the folded position, the cross beam 41 is moved toward the direction close to the rotating slot 411 until the guiding column 3 moves to the intersection of the rotating slot 411 and the linear slot 412, and then the cross beam 41 is rotated until the guiding column 3 rotates to the first limit position 4111 of the rotating slot 411, at this time, the foldable table is in the folded state; when the foldable table needs to be switched from the folded position to the unfolded position, the cross beam 41 is rotated towards the direction close to the linear groove 412 until the guide post 3 is rotated to the junction of the rotating groove 411 and the linear groove 412, then the cross beam 41 is moved until the guide post 3 is moved to the second limit position 4121 of the linear groove 412, and at this time, the foldable table is in the unfolded state;

In some embodiments, optionally, as shown in fig. 1, 2, 6, 7, 13 and 14, the leg assembly further comprises a limiting device 5, the limiting device 5 comprises an outer end and an inner end, the inner end of the limiting device 5 is disposed in the inner cavity 21 of the bottom box 2, the inner end of the limiting device 5 is connected with the inner wall of the bottom box 2 through an elastic member 54, and the outer end of the limiting device 5 is disposed outside the bottom box 2;

the cross beam 41 is provided with a first limiting hole 413 and a second limiting hole 414, and the first limiting hole 413 and the second limiting hole 414 are arranged on the cross beam 41 in a staggered manner; setting the extending direction of the central axis of the cross beam 41 as an axial direction, setting the axial distance between the center of the first limiting hole 413 and the center of the second limiting hole 414 as a first distance, setting the axial distance between the center of the first limiting position 4111 and the center of the second limiting position 4121 as a second distance, and setting the first distance and the second distance to be equal;

when the cross beam 41 is in the folded position, the inner end of the limiting device 5 is inserted into the first limiting hole 413; the inner end of the stop means 5 is disposed within the second stop aperture 414 when the cross member 41 is in the deployed position. Therefore, when the limiting device 5 is inserted into the first limiting hole 413 or the second limiting hole 414, the limiting device 5 limits the rotation and movement of the cross beam 41, so that the table leg 4 is difficult to rotate and move when the table leg 4 is in the folded state or the unfolded state, and therefore, the stability of the table leg 4 in the folded state or the unfolded state is ensured;

in addition, since the first distance and the second distance are equal, when the guide post 3 is inserted in the first limiting position 4111, the limiting device 5 is inserted in the first limiting hole 413; when the guide post 3 is inserted into the second limiting position 4121, the limiting device 5 is inserted into the second limiting hole 414, so that when the guide post 3 is connected with the first limiting position 4111 or the second limiting position 4121, the limiting device 5 can be simultaneously inserted into the first limiting hole 413 or the second limiting hole 414, thereby facilitating the operation of an operator;

it should be noted that the distance between the outer end and the inner end is set as a standard, and the distance between the outer end and the central axis of the panel 1 is greater than the distance between the inner end and the central axis of the panel 1.

In some embodiments, optionally, as shown in fig. 1, 2, 6, 7, 13 and 14, the two limiting devices 5 are provided, the two bosses 6 are provided on the outer side of the bottom case 2, the bosses 6 are provided with the through holes 61, the two first limiting holes 413 are provided, the two second limiting holes 414 are provided, and the rotating slot 411 and the linear slot 412 are located between the two first limiting holes 413 and the two second limiting holes 414;

note that the axial distance between the two first limiting holes 413 is a third distance, the axial distance between the two second limiting holes 414 is a fourth distance, the distance between the two through holes 61 is a fifth distance, and the third distance, the fourth distance and the fifth distance are equal;

the limiting device 5 comprises a hand lever 51, a connecting rod 52 and a positioning piece 53, wherein the hand lever 51 is provided with an outer end and two inner ends, and the outer end of the hand lever 51 is the outer end of the limiting device 5; the number of the connecting rods 52 is two, the connecting rods 52 are provided with outer ends and inner ends, and the outer ends of the connecting rods 52 are connected with the inner ends of the hand levers 51; the inner end of the connecting rod 52 passes through the through hole 61 of the boss 6 and is arranged in the inner cavity 21 of the bottom box 2; two positioning parts 53 are provided, the positioning parts 53 are connected with the inner end of the connecting rod 52, the elastic part 54 is sleeved outside the connecting rod 52, one end of the elastic part 54 is connected with the positioning parts 53, the other end of the elastic part 54 is connected with the inner wall of the bottom box 2, and the positioning parts 53 are the inner ends of the limiting devices 5;

when the cross beam 41 is in the folded position, the positioning piece 53 is inserted into the first limiting hole 413; when the cross beam 41 is in the unfolded position, the positioning member 53 is inserted into the second limiting hole 414. Thus, by providing the boss 6, the inner cavity 21 of the boss 6 is used for accommodating the connecting rod 52, so that the connecting rod 52 can move in the inner cavity 21 of the boss 6; by arranging the hand lever 51, the user pulls the connecting rod 52 outwards through the hand lever 51, thereby facilitating the separation of the positioning member 53 from the first limiting hole 413 and the second limiting hole 414, and further facilitating the switching of the table leg 4 between the folding position and the unfolding position; by arranging the positioning piece 53, when the positioning piece 53 is inserted into the first limiting hole 413 or the second limiting hole 414, the positioning piece 53 plays a role in limiting the movement of the cross beam 41 in the axial direction; by providing the elastic member 54, when the user releases his/her hand from the handle bar 51, the positioning member 53 automatically moves toward the connecting rod 52 under the elastic action of the elastic member 54, so that the positioning member 53 is automatically inserted into the first and second position-limiting

holes

413 and 414;

when the foldable table needs to be converted from the unfolded position to the folded position, the hand lever 51 is pulled outwards, the positioning member 53 is separated from the second limiting hole 414, then the cross beam 41 is moved towards the direction close to the rotating slot 411 until the guide post 3 is moved to the junction of the rotating slot 411 and the linear slot 412, then the cross beam 41 is rotated by 90 degrees until the positioning member 53 is inserted into the first limiting hole 413, the guide post 3 is rotated to the first limiting position 4111 of the rotating slot 411, and at this time, the foldable table is in the folded state; when the foldable table needs to be switched from the folded position to the unfolded position, the hand lever 51 is pulled outwards, the positioning member 53 is disengaged from the first limiting hole 413, the cross beam 41 is rotated 90 degrees in the direction close to the linear groove 412 until the guide post 3 is rotated to the boundary between the rotating groove 411 and the linear groove 412, then the cross beam 41 is moved until the positioning member 53 is inserted into the second limiting hole 414, and the guide post 3 is moved to the second limiting position 4121 of the linear groove 412, at this time, the foldable table is in the unfolded state.

Illustratively, the positioning member 53 of the present application is a positioning pin, the outer end of the positioning pin is provided with an external thread, the inner end of the connecting rod 52 is provided with an internal thread, and the positioning pin is threadedly connected with the connecting rod 52, thereby facilitating the connection of the positioning pin and the connecting rod 52.

In some embodiments, optionally, as shown in fig. 8 to 10, in order to make the positioning member 53 have a better effect of limiting the position of the cross beam 41, the first limiting hole 413 and the second limiting hole 414, which are disposed close to each other, are disposed in a pair of two limiting hole sets, two fixed cylinders 7 are fixedly disposed in the cross beam 41, and the fixed cylinders 7 are provided with a third limiting hole 71 and a fourth limiting hole 72 corresponding to the limiting hole sets;

the third position-limiting hole 71 corresponds to the first position-limiting hole 413, the fourth position-limiting hole 72 corresponds to the second position-limiting hole 414, and when the cross beam 41 is in the folded position, the positioning member 53 is inserted into the third position-limiting hole 71; when the cross member 41 is in the unfolded position, the positioning member 53 is inserted into the fourth limiting hole 72. Therefore, when the positioning member 53 contacts with the inner wall of the third positioning hole or the inner wall of the fourth limiting hole 72, a friction force is generated between the positioning member 53 and the inner wall of the third positioning hole or the inner wall of the fourth positioning hole, so that the positioning member 53 is not easy to disengage from the third positioning hole or the fourth positioning hole, and the table leg 4 is ensured to be switched between the unfolding position and the folding position;

in addition, the fixed cylinder 7 is fixed in the cross beam 41 by welding, so that the connection stability between the cross beam 41 and the fixed cylinder 7 is ensured.

In some embodiments, optionally, as shown in fig. 9 and 10, in order to achieve a better limiting effect between the positioning member 53 and the third limiting hole 71 and the fourth limiting hole 72, the cross-sectional shapes of the third limiting hole 71, the fourth limiting hole 72 and the positioning member 53 are conical;

alternatively, the cross-sectional shapes of the third position limiting hole 71, the fourth position limiting hole 72 and the positioning member 53 may be circular.

In some embodiments, optionally, as shown in fig. 1, 2, 6, 7, 13 and 14, the position-limiting device 5 further includes a position-limiting ring 55, the position-limiting ring 55 is disposed on the connecting rod 52, the position-limiting ring 55 is disposed near the outer end of the connecting rod 52, and the diameter of the position-limiting ring 55 is larger than the diameter of the through hole 61, so as to limit the movement of the hand lever 51.

In some embodiments, optionally, as shown in figure 2, two stop means 5 may be provided between the legs 4. From this, compare and locate between two stop device 5 in two table legs 4, the stop device 5 of this embodiment is sheltered from by two table legs 4 to guarantee the aesthetic property of folding table.

In some embodiments, optionally, as shown in fig. 3 to 5, an intersection point is formed between the rotating groove 411 and the linear groove 412, the two legs 4 are respectively a first leg 4 and a second leg 4, the direction of the center of the first limiting position 4111 of the linear groove 412 of the first leg 4 to the intersection point corresponding thereto is set as a first direction, the direction of the center of the second limiting position 4121 of the linear groove 412 of the second leg 4 to the intersection point corresponding thereto is set as a second direction, and the first direction and the second direction are opposite. Therefore, when the folding table needs to be converted from the unfolding position to the folding position, the guide column 3 of the first table leg 4 moves towards the first direction, and the guide column 3 of the second table leg 4 moves towards the second direction, so that the first table leg 4 and the second table leg 4 are arranged in a staggered mode when being in the folding state, and the first table leg 4 and the second table leg 4 are further ensured not to interfere with each other when being in the folding state.

In some embodiments, optionally, as shown in fig. 4, 5, 13 and 14, in order to facilitate the rotation of the cross beam 41, a plurality of arc-shaped seats 22 are provided in the bottom case 2, and the cross beam 41 is rotatably connected to the arc-shaped seats 22;

the crossbeam 41 is connected with the bottom end of the panel 1 through the top support 8, the top support 8 is provided with two inner side walls corresponding to the outer side walls of the crossbeam 41, and the crossbeam 41 is rotatably connected with the inner side walls of the top support 8. Therefore, when the top support 8 is fixed at the bottom end of the panel 1, a containing hole for fixing the cross beam 41 is formed between the arc-shaped seat 22 and the top support 8, and the outer wall of the cross beam 41 is connected with the inner wall of the arc-shaped seat 22 and the inner wall of the top support 8 during the rotation of the cross beam 41, so that the stability of the cross beam 41 during the rotation is facilitated;

illustratively, the top support 8 is fixed to the bottom end of the panel 1 by screws; in addition, the length, the width and the height of the top support 8 are all smaller than the length, the width and the height of the inner cavity 21 of the bottom box 2, so that the top support 8 can be completely arranged in the inner cavity 21 of the bottom box 2, the interference between the top support 8 and the bottom box 2 is avoided, and the top support 8 and the bottom box 2 cannot be installed together.

To sum up, when the folding table of the embodiment of the present invention needs to be switched from the unfolded position to the folded position, the cross beam 41 is moved toward the direction close to the rotating slot 411 until the guiding column 3 moves to the intersection of the rotating slot 411 and the linear slot 412, and then the cross beam 41 is rotated until the guiding column 3 rotates to the first limit position 4111 of the rotating slot 411, at this time, the folding table is in the folded state; when the foldable table needs to be switched from the folded position to the unfolded position, the cross beam 41 is rotated towards the direction close to the linear groove 412 until the guide post 3 is rotated to the junction of the rotating groove 411 and the linear groove 412, then the cross beam 41 is moved until the guide post 3 is moved to the second limit position 4121 of the linear groove 412, and at this time, the foldable table is in the unfolded state;

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a folding table which characterized in that, includes panel and two table leg subassemblies, the table leg subassembly includes:

the table leg assembly further comprises a limiting device, the limiting device comprises an outer end and an inner end, the inner end of the limiting device is arranged in the inner cavity of the bottom box, the inner end of the limiting device is connected with the inner wall of the bottom box through an elastic piece, and the outer end of the limiting device is arranged outside the bottom box;

when the cross beam is at the folding position, the guide column is clamped at the first limiting position, the inner end of the limiting device is inserted into the first limiting hole, and the supporting leg is folded at the bottom end of the panel; when the cross beam is at the unfolding position, the guide column is clamped at the second limiting position, the inner end of the limiting device is arranged in the second limiting hole, and the supporting legs are vertically arranged at the bottom end of the panel.

2. The folding table according to claim 1, wherein the number of the limiting means is two, the outer side of the bottom case is provided with two bosses provided with through holes, the number of the first limiting holes is two, the number of the second limiting holes is two, and the rotation groove and the linear groove are located between the two first limiting holes and the two second limiting holes; recording the axial distance of the two first limiting holes as a third distance, the axial distance of the two second limiting holes as a fourth distance, the axial distance of the two through holes as a fifth distance, and the third distance, the fourth distance and the fifth distance are equal;

the stop device includes:

3. The folding table as claimed in claim 2, wherein the first and second limiting holes disposed close to each other are disposed in a pair of two limiting hole sets, two fixed cylinders are fixedly disposed in the cross beam, and the fixed cylinders are provided with a third and a fourth limiting holes corresponding to the limiting hole sets;

4. The folding table of claim 3, wherein the third hole, the fourth hole, and the positioning member are conical in cross-sectional shape.

5. The folding table as in claim 2, wherein the stop means further comprises a stop collar disposed on the connecting bar, the stop collar being disposed proximate an outer end of the connecting bar, the stop collar having a diameter greater than a diameter of the aperture.

6. The folding table as claimed in claim 2, wherein two of the position limiting means are located between the legs.

7. The folding table as claimed in claim 1, wherein an intersection point is provided between the rotation groove and the linear groove, the two legs are respectively a first leg and a second leg, the center of the circle of the first limit position of the linear groove of the first leg is set to the first direction of the intersection point corresponding thereto, the center of the circle of the second limit position of the linear groove of the second leg is set to the second direction of the intersection point corresponding thereto, and the first direction and the second direction are opposite.

8. The folding table as in claim 1, wherein the bottom box has a plurality of arcuate seats therein, the cross member being pivotally connected to the arcuate seats.

9. The folding table as in claim 8, wherein the cross bar is connected to the bottom end of the deck by a top bracket, the top bracket having two inner side walls corresponding to the outer side walls of the cross bar, the cross bar being pivotally connected to the inner side walls of the top bracket.