CN104414234B - Multifunctional folding platform - Google Patents

Abstract

A multifunctional folding platform comprises a main platform unit and an auxiliary platform unit, wherein the main platform unit comprises two main tables pivoted with each other, two main side plates pivoted with the main tables respectively, and two main folding foot sets pivoted with the main side plates respectively, the auxiliary platform unit is adjacent to and pivoted with one of the main side plates and comprises at least one auxiliary table device, the auxiliary table device comprises an auxiliary side plate corresponding to the main side plate, a first auxiliary table plate pivoted with the auxiliary side plate, a second auxiliary table plate pivoted with the first auxiliary table plate, and two auxiliary folding foot sets pivoted with the auxiliary side plates respectively, and the main platform unit and the auxiliary table devices can be respectively changed between an unfolding state and a folding state, so that the multifunctional folding platform can generate the effects of changing different use forms according to different purposes and has the function of carrying load.

Description

Multifunctional folding platform

technical field

The invention relates to a platform, in particular to a multifunctional folding platform.

Background technique

The structure of the conventional bed or chair is generally fixed, and cannot be folded, nor can the type of use be changed according to the demand. In addition, someone proposes a folding chair (China Taiwan Patent No. M330795 No. M330795 New Patent), which utilizes the chair foot plate, folding plate, and chair backing plate that are pivotally connected to each other. Although it can produce the function of folding, it only has one In the expanded usage mode, the user cannot change to a different usage mode according to the needs.

Contents of the invention

The purpose of the present invention is to provide a multi-functional folding platform that can be changed into different usage forms and has a load-bearing function.

To achieve the above object, the present invention takes the following technical solutions:

A multifunctional folding platform, which includes:

A main platform unit, including two main table boards pivotally connected to each other, two main side boards respectively pivotally connected to the main boards, and two main folding boards respectively pivotally connected between the main boards The foot set, the main boards respectively have a first inner side and a first outer side opposite to the first inner side, the first inner sides of the main boards are pivotally connected to each other along a longitudinal direction , the main side plates respectively have a first top edge, and two first side edges arranged at intervals along the longitudinal direction and opposite along a height direction, the first top edges of the main side plates are respectively along the longitudinal direction Pivotly connected with the first outer sides of the main table boards, the main folding foot groups respectively have two main foot boards pivotally connected to each other, and the main foot boards respectively have a second inner side and a The second outer side of the second inner side, the second inner sides of the main feet are pivotally connected to each other along the height direction, and the second outer sides of the main feet of each main folding foot group are respectively along the height direction The first side corresponding to the main side panels is pivotally connected, and the main platform unit can be transformed between an unfolded state and a folded state. , the main side panels are spaced apart from each other along a transverse direction, the main foot panels of the main folding foot groups are respectively unfolded between the main side panels, and in the folded state, the main table panels are along the height direction superimposed on each other, the main side panels are adjacent to each other along the height direction, and the main foot panels of the main folding foot groups are superimposed on each other between the main side panels; and

An auxiliary platform unit is adjacent to one of the main side plates, the auxiliary platform unit is pivotally connected to the first side of the one of the main side plates along the height direction, and is connected to the first side of the one of the main side plates along the longitudinal direction. The first top edge is pivotally connected, and the auxiliary platform unit includes at least one auxiliary platform device. The auxiliary platform device has a secondary side plate corresponding to one of the main side plates, and a side plate pivotally connected with the secondary side plate along the longitudinal direction. A first sub-table, a second sub-table pivotally connected to the first sub-table along the longitudinal direction and between the first sub-table and the main platform unit, and two pivotally connected to the main platform unit respectively The auxiliary side plate and the auxiliary folding foot group between the auxiliary side plate and the main platform unit, and each of the auxiliary folding foot groups has a first pair pivotally connected with the auxiliary side plate along the height direction A foot plate, and a second auxiliary foot plate pivotally connected to the first auxiliary foot plate along the height direction and between the first auxiliary foot plate and the main platform unit, the auxiliary platform device can be in an unfolded state and a folded state In the unfolded state, the first sub-table and the second sub-table are respectively unfolded into a horizontal shape, the sub-side panels and the main platform unit are spaced apart from each other along the transverse direction, and the sub-folding The first sub-foot board and the second sub-foot board of the foot group are respectively deployed between the side board and the main platform unit. Overlapping each other, the auxiliary side panels are adjacent to the main platform unit, and the first and second auxiliary foot panels of the auxiliary folding foot groups are respectively overlapped between the auxiliary side panels and the main platform unit.

The main platform also has two first limiting grooves formed on the bottom surface, and each main foot plate of each of the main folding foot groups also has at least one first limiting block, when in the unfolded state , the first limiting block of one of the main foot plates corresponding to the main folding foot groups is respectively embedded in the first limiting groove of one of the main table plates, and the other main foot plate corresponding to the main folding foot groups The first limiting blocks of the foot boards are embedded in the first limiting slots of the other main table respectively.

The first limiting grooves of each main platform are inclined towards the first inner side of the main platform along the transverse direction, and the first limiting grooves of each main platform are respectively adjacent to the main platform. The first inner side of the deck.

The first sub-table has two second limiting grooves formed on the bottom surface, the second sub-table has two third limiting grooves formed on the bottom surface, and each of the secondary folding foot groups The first auxiliary foot plate has at least one second limit block, and the second auxiliary foot plate of each pair of folding foot groups has at least one third limit block. The second limiting blocks of a pair of feet are respectively embedded in the second limiting grooves of the first auxiliary table, and the third limiting blocks of the second auxiliary feet of the auxiliary folding foot groups are respectively embedded in the first. The third limit groove of the second platen.

The second limiting grooves of each of the first sub-tables are inclined toward each other along the transverse direction toward the second sub-table, and the third limiting grooves of each second sub-table are respectively along the The lateral direction is inclined towards the first sub-table, and the second limiting groove of each first sub-table and the third limiting groove of each second sub-table are adjacent to the first sub-table and the third limiting groove respectively. The second sub-tables are pivotally connected to each other.

The main platform unit further includes a first interlocking stay cord connected between the main folding leg groups, and a second interlocking stay cord connected between the first interlocking stay cord and at least one of the main decks. Linkage stay cord, the two ends of the first linkage stay cord are respectively adjacent to the second inner side of the main foot plate of the main retractable foot groups, and one end of the second linkage stay cord is movably connected to the The first interlocking pull cord, the other end of the second interlocking pull cord is adjacent to the first inner side of one of the main tabletops.

The auxiliary platform device also has a third interlocking pull cord connected between the auxiliary folding foot groups, and a connecting cable connected to at least one of the first auxiliary platform and the second auxiliary platform. For the fourth interlocking cord between the third interlocking cords, the two ends of the third interlocking cord are respectively adjacent to the pivot joints of the first and second sub-foots of the auxiliary folding foot groups One end of the fourth interlocking stay cord is movably connected to the third interlocking stay cord, and the other end of the fourth interlocking stay cord is adjacent to the first sub-table and the second sub-table. Articulation.

The main platform unit also includes a first shaft that pivotally connects the first inner sides of the main decks together, and a first handle that is pivotally connected to the first shaft, wherein one of the main decks also There is a first groove which can accommodate the first handle.

The auxiliary table device also has a second shaft that pivotally connects the first auxiliary table and the second auxiliary table together, and a second handle that is pivotally connected to the second shaft. One of the sub-table and the second sub-table also has a second groove for accommodating the second handle.

The second auxiliary foot plate of the auxiliary folding foot group is pivotally connected to the first side of one of the main side plates along the height direction, and the second auxiliary table is connected to the one of the main side plates along the longitudinal direction. The first top edge of the side panel is pivotally connected.

The auxiliary platform unit includes a plurality of auxiliary platform devices, each auxiliary side plate has a second top edge, and two second side edges arranged at intervals along the longitudinal direction and opposite along the height direction, and are closest to the Each second auxiliary foot of the auxiliary platform device of one of the main side plates is pivotally connected to one of the first side edges of the one of the main side plates along the height direction, and the second auxiliary platform of the auxiliary platform device is along the longitudinal direction. The direction is pivotally connected with the first top edge of one of the main side plates, and each second secondary foot plate of one of the secondary platform devices of the adjacent two secondary platform devices is connected to the secondary side of the other secondary platform device along the height direction. One of the second side edges of the board is pivotally connected, and the second sub-table of one of the sub-table devices is pivotally connected with the second top edge of the secondary side plate of the other sub-table device along the longitudinal direction.

The beneficial effects of the present invention are: the present invention uses the main platform unit and the sub-platform device of the sub-platform unit to switch between the unfolded state and the folded state, allowing users to fold the main platform according to different purposes The unit or the sub-platform device of the sub-platform can produce effects that can be transformed into different usage patterns.

Other features and functions of the present invention will be clearly presented in the detailed description of the preferred embodiments with reference to the drawings.

Description of drawings

FIG. 1 is a perspective view of a preferred embodiment of the multifunctional folding platform of the present invention, illustrating a main platform unit and two auxiliary platform devices of the preferred embodiment in an unfolded state.

Fig. 2 is a bottom perspective view of a preferred embodiment of the present invention.

Figure 3 is a partially enlarged schematic diagram of Figure 2, illustrating that the two first limit blocks of the two main foot plates corresponding to the two main folding foot groups of the main platform unit are respectively embedded in one of the two main table plates in a first limit slot.

FIG. 4 is a side view of a preferred embodiment of the present invention, illustrating the main platform unit in a folded state and the auxiliary platform devices in an unfolded state.

Fig. 5 is a partially enlarged schematic diagram of Fig. 2 , illustrating that two third limit blocks of a first sub-foot plate of the two sub-folding foot groups of one of the sub-table devices are respectively embedded in a first sub-table. In a third limiting groove, and two fourth limiting blocks of a second auxiliary foot plate of the auxiliary folding foot groups are respectively embedded in a fourth limiting groove of a second auxiliary platen.

FIG. 6 is a side view of a preferred embodiment of the present invention, illustrating that one of the sub-stand devices of the preferred embodiment is in the folded state, and the main platform unit and the other sub-stand device are in the unfolded state.

FIG. 7 is a side view of a preferred embodiment of the present invention, illustrating the folded state of the main platform unit and the auxiliary platform devices of the preferred embodiment.

detailed description

Referring to FIG. 1 , FIG. 2 and FIG. 3 , the preferred embodiment of the multifunctional folding platform of the present invention includes a main platform unit 1 and a secondary platform unit 2 .

The main platform unit 1 includes two main table boards 11 pivotally connected to each other, two main side boards 12I, 12II pivotally connected to the main boards 11 respectively, two main side boards 12I, 12II pivotally connected to the main boards 11, 12II between the main retractable foot groups 13, a first interlocking stay cord 14 connected between these main retractable foot groups 13, a first interlocking stay cord 14 connected to one of the main table boards 11 between the second interlocking pull cord 15 between the bottom surfaces, a first shaft group 16 pivotally connecting the main table boards 11 together, and a first handle 17 pivotally connected to the first shaft group 16 . In this embodiment, the first shaft group 16 is formed by a plurality of shaft rods and shaft seats that abut against and cooperate with each other among the main table boards 11 , which can reduce the time required for assembly and reduce the number of parts.

The main table boards 11 respectively have a first inner side 111 , a first outer side 112 opposite to the first inner side 111 , and two first limiting grooves 113 formed on the bottom surface. One of the main boards 11 also has a first groove 114 for accommodating the first handle 17 . The first inner sides 111 of the main platform 11 are pivotally connected to each other along a longitudinal direction Y through the first shaft set 16 . The first limiting grooves 113 of each main table 11 are inclined towards each other along a transverse direction X toward the first inner side 111 of the main table 11, and are respectively adjacent to the first inner side of the main table 11. Side 111.

The main side panels 12I, 12II respectively have a first top edge 121 and two first side edges 122 arranged at intervals along the longitudinal direction Y and opposite to each other along a height direction Z. The first top sides 121 of the main side panels 12I, 12II are respectively pivotally connected to the first outer sides 112 of the main platform 11 along the longitudinal direction Y.

The main folding foot groups 13 respectively have two main foot plates 131 pivotally connected to each other, and the main foot plates 131 respectively have a second inner side 132 and a second outer side opposite to the second inner side 132 side 133, and two first limit blocks 134. The second inner sides 132 of the main legs 131 are pivotally connected to each other along the height direction Z. The second outer edge 133 of the main leg plate 131 of each main folding foot set 13 is respectively pivotally connected to the corresponding first side edge 122 of the main side plates 12I, 12II along the height direction Z. It should be noted that each main foot plate 131 can also be provided with one first limiting block 134 or more than two first limiting blocks 134 .

Both ends of the first interlocking pull cord 14 are respectively adjacent to and connected to the second inner sides 132 of the main leg plates 131 of the main folding leg sets 13 . One end of the second interlocking stay cord 15 is movably sleeved on the first interlock stay cord 14 , and the other end of the second interlock stay cord 15 is adjacent to and connected to one of the main table boards 11 . The first inner side 111 . It can be understood that the other end of the second interlocking pull cord 15 can also be connected to the first inner side 111 of the main table 11 at the same time, so as to achieve the same effect.

The main platform unit 1 can be transformed between an unfolded state (see FIGS. 1 and 2 ) and a folded state (see FIG. 4 ). When the user pulls the main platform unit 1 into the unfolded state, the main platform panels 11 are unfolded into a horizontal shape, the main side panels 12I, 12II are spaced apart from each other along the horizontal direction X, and the main platform panels 11 are folded. The main foot plates 131 of the foot groups 13 are respectively deployed between the main side plates 12I, 12II, and the first limit blocks 134 of one of the main foot plates 131 corresponding to the main folding foot groups 13 are embedded in one of them respectively. The first limiting groove 113 of the main table 11 (see Figure 3), the first limiting block 134 of the other main foot plate 131 corresponding to the main folding foot group 13 is respectively embedded in the other main table 11 The first limit groove 113 (see Figure 3). Thereby, the corresponding main leg plates 131 of the main retractable leg groups 13 can be firmly combined with the main table boards 11 respectively.

3 and 4, when the user wants to fold the main platform unit 1 into the folded state, the user can pull the first handle 17 to move the main table boards 11 to the height direction Z, here During the process, one of the main table boards 11 can be linked with the second linked stay rope 15, so that the two ends of the first linked stay rope 14 are close to each other, and the main feet 131 of the main retractable foot groups 13 are driven. Folding inwardly, so that when the main platform unit 1 is in the folded state, when the main platform boards 11 overlap each other along the height direction Z, the main side plates 12I, 12II mutually overlap each other along the height direction Z Adjacent to each other, the main leg plates 131 of the main retractable leg groups 13 are superimposed on each other between the main side plates 12I, 12II.

1, 2 and 5, the auxiliary platform unit 2 is adjacent to the main side plate 12II, and the auxiliary platform unit 2 is pivotally connected to the first side 122 of the main side plate 12II along the height direction Z, and Pivoted to the first top edge 121 of the main side plate 12II along the longitudinal direction Y, the auxiliary platform unit 2 includes two auxiliary platform devices 3I, 3II.

Each sub-table device 3I, 3II has a sub-side plate 31 corresponding to the main side plate 12II, a first sub-table 32 pivotally connected to the sub-side plate 31 along the longitudinal direction Y, and a first sub-table 32 along the longitudinal direction Y. Y is pivotally connected to the first sub-table 32 and the second sub-table 33 between the first sub-table 32 and the main platform unit 1 is pivotally connected to the secondary side plate 31 and interposed between the two. The auxiliary folding foot group 34 between the auxiliary side plate 31 and the main platform unit 1, a third interlocking stay rope 35 connected between the auxiliary folding foot groups 34, and a third interlocking stay cord 35 connected to the first The fourth interlocking stay cord 36 between the bottom surface of the sub-table 32 and the third interlocking stay cord 35, a second shaft that pivotally connects the first sub-table 32 and the second sub-table 33 together group 37, and a second handle 38 pivotally connected to the second shaft group 37. In this embodiment, the second shaft groups 37 are formed by a plurality of shaft rods and shaft seats that are respectively abutted and matched with the first and second sub-tables 32 and 33 in each group, which can reduce the cost of assembly. Takes time and reduces part count.

The auxiliary side plate 31 has a second top edge 311 and two second side edges 312 arranged at intervals along the longitudinal direction Y and opposite to each other along the height direction Z.

The first sub-table 32 has two second limiting grooves 321 formed on the bottom surface, and a second groove 322 for accommodating the second handle 38 . The second limiting slots 321 of the first sub-table 32 are obliquely close to each other along the transverse direction X toward the second sub-table 33 . The second sub-table 33 has two third limiting slots 331 formed on the bottom surface. The third limiting slots 331 of the second sub-table 33 are obliquely close to each other along the transverse direction X toward the first sub-table 32 . The second limiting slot 321 of the first sub-table 32 and the third limiting slot 331 of the second sub-table 33 are respectively adjacent to the first sub-table 32 and the second sub-table 33 are pivotally connected to each other. Office 332.

The auxiliary folding foot groups 34 respectively have a first auxiliary foot plate 341 pivotally connected to the auxiliary side plate 31 along the height direction Z, and a first auxiliary foot plate 341 pivotally connected to the first auxiliary foot plate 341 along the height direction Z and between The second auxiliary footboard 342 between the first auxiliary footboard 341 and the main platform unit 1 . The first secondary foot plate 341 of each secondary folding foot set 34 has two second limiting blocks 343 . The second secondary foot plate 342 of each secondary folding foot set 34 has two third limiting blocks 344 . It should be noted that the first auxiliary foot plate 341 can also be provided with a second limit block 343 or more than two second limit blocks 343, and the second auxiliary foot plate 342 can also be provided with a third limit block 344 or There are more than two second limiting blocks 344 .

Both ends of each third interlocking pull cord 35 are adjacent to and connected to the pivot joints 345 of the first auxiliary foot plate 341 and the second auxiliary foot plate 342 of the auxiliary folding foot sets 34 of each auxiliary table device 3I, 3II . One end of the fourth interlocking stay cord 36 is movably sleeved on the third interlock stay cord 35 , and the other end of the fourth interlocking stay cord 36 is connected to the bottom surface of the first sub-table 32 , and is adjacent to At the pivot joint 332 between the first sub-table 32 and the second sub-table 33 . It can be understood that the other end of the fourth interlocking pull cord 36 can also be connected to the bottom surfaces of the first sub-table 32 and the second sub-table 33 at the same time, so as to achieve the same effect.

Each second auxiliary foot plate 342 of the auxiliary table device 3I closest to the main side plate 12II is pivotally connected to one of the first sides 122 of the main side plate 12II along the height direction Z, and the second auxiliary foot plate 342 of the auxiliary table device 3I The two sub-tables 33 are pivotally connected to the first top edge 121 of the main side plate 12II along the longitudinal direction Y, and each second sub-foot board 342 of the sub-table device 3II is connected to the side of the sub-table device 3I along the height direction Z. One of the second sides 312 of the auxiliary side plate 31 is pivotally connected, and the second auxiliary table 33 of the auxiliary table device 3II is pivotally connected with the second top edge 311 of the auxiliary side plate 31 of the auxiliary table device 3I along the longitudinal direction Y. catch.

Each sub-table device 3I, 3II can be transformed between an unfolded state (see Fig. 1, 2) and a folded state (see Fig. 6). When the user pulls each sub-table device 3I, 3II into the unfolded state, the first sub-table 32 and the second sub-table 33 of each sub-table device 3I, 3II are respectively unfolded into a horizontal shape, each The auxiliary side plates 31 of the auxiliary table devices 3I, 3II are spaced apart from the main platform unit 1 along the transverse direction X, and the first auxiliary foot plate 341 and the second auxiliary foot plate 341 of the auxiliary folding foot group 34 of each auxiliary table device 3I, 3II are connected to each other. The foot boards 342 are respectively deployed between the auxiliary side boards 31 of each auxiliary platform device 3I, 3II and the main platform unit 1, and the second limiting blocks 343 of the first auxiliary foot boards 341 corresponding to the auxiliary folding foot groups 34 They are respectively embedded in the second limiting grooves 321 of the first sub-table 32 (see FIG. 5 ), and the third limiting blocks 344 of the second auxiliary foot plates 342 corresponding to the auxiliary folding foot groups 34 are respectively embedded. In the third limiting groove 331 of the second sub-table 33 (see FIG. 5 ). In this way, the first sub-foot board 341 and the second sub-foot board 342 of the sub-folding foot groups 34 of each sub-table device 3I, 3II can be respectively aligned with the corresponding first sub-table 32 and the second sub-table. The plates 33 are firmly bonded together.

Referring to FIG. 6 , when the user wants to fold the auxiliary station device 3I or the auxiliary station device 3II into the folded state, the user can operate in the manner of folding the main platform unit 1 as described above. Taking the folding of the sub-table device 3I as an example, when the sub-table device 3I is in the folded state, the first sub-table 32 and the second sub-table 33 of the sub-table device 3I are mutually aligned along the height direction Z. When stacking, the auxiliary side plate 31 of the auxiliary platform device 3I is adjacent to the main platform unit 1, and the first auxiliary foot plate 341 and the second auxiliary foot plate 342 of the auxiliary folding foot groups 34 of the auxiliary platform device 3I are mutually mutually It is stacked between the secondary side panel 31 and the main platform unit 1 .

Thereby, as shown in FIG. 1 , when the main platform unit 1 and the auxiliary platform devices 3I, 3II are in the unfolded state, a Japanese room table or a platform can be formed. As shown in FIG. 4 , when the main platform unit 1 is in the folded state and the auxiliary platform devices 3I, 3II are in the unfolded state, a bed for people to lie on can be formed. As shown in FIG. 6 , when the auxiliary table device 3I is in the folded state, and the main platform unit 1 and the auxiliary table device 3II are in the unfolded state, a back-to-back double chair can be formed. As shown in FIG. 7 , when the main platform unit 1 and the auxiliary platform devices 3I and 3II are in the folded state, they can be used to accommodate the multifunctional folding platform of the present invention.

It is worth mentioning that the sub-platform unit 2 may only include the sub-stand device 3I, or include the sub-stand device 3I and more than two sub-stand devices 3II that are sequentially assembled along the horizontal direction Y.

To sum up the above, the multifunctional folding platform of the present invention can obtain the following effects and advantages, so it can indeed achieve the purpose of the present invention:

1. In the present invention, the sub-platform devices 3I and 3II of the main platform unit 1 and the sub-platform unit 2 can be changed between the unfolded state and the folded state, so that the user can fold the main platform unit according to different purposes. The platform unit 1 or the sub-platform devices 3I, 3II of the sub-platform 2 have the effect of changing different use patterns, and the main platform unit 1 and the sub-platform devices 3I, 3II can all be folded in the folding state, which has the effect of reducing the occupied space.

2. The present invention can increase the quantity of the secondary device 3II according to the needs of production or use type. Therefore, the present invention has an expandable effect.

3. In the main platform unit 1 of the present invention, its main platform 11 is supported by the main side panels 12I, 12II and the main folding foot group 13, and has a load-bearing function when in use, and the part of the auxiliary platform unit 2 is also the same . Therefore, the present invention can achieve good load-carrying effect in addition to being able to change different usage patterns.

However, the above description is only a preferred embodiment of the present invention, and should not limit the scope of the present invention, that is, all simple equivalent changes and modifications made according to the scope of the claims of the present invention and the content of the description are still the same. It belongs to the scope covered by the patent of the present invention.

Claims (11)

1. A multifunctional folding platform is characterized in that it comprises: A main platform unit, including two main platform pivotally connected to each other, two main side panels pivotally connected to the main platform respectively, and two main folding foot groups pivotally connected between the main side panels respectively , the main table has a first inner side and a first outer side opposite to the first inner side, the first inner side of the main table is pivotally connected to each other along a longitudinal direction, the main side The boards respectively have a first top edge, and two first side edges which are spaced along the longitudinal direction and opposite to each other along a height direction, and the first top edges of the main side board are respectively along the longitudinal direction with the main platform. The first outer side is pivotally connected, and the main folding foot set has two main foot plates pivotally connected to each other. The main foot plates respectively have a second inner side and a second inner side opposite to the second inner side. The outer edge, the second inner edge of the main foot plate is pivotally connected to each other along the height direction, and the second outer edge of the main foot plate of each main folding foot group is respectively along the first height direction corresponding to the main side plate. The sides are pivotally connected, and the main platform unit can be transformed between an unfolded state and a folded state. In the unfolded state, the main platform boards are respectively unfolded into a horizontal shape, and the main side boards are spaced apart from each other along a transverse direction. The main foot plates of the main foldable foot group are respectively deployed between the main side plates. In the folded state, the main table plates overlap each other along the height direction, and the main side plates are adjacent to each other along the height direction. The main foot plates of the main retractable foot set are superimposed on each other between the main side plates; and An auxiliary platform unit is adjacent to one of the main side plates, the auxiliary platform unit is pivotally connected to the first side of the one of the main side plates along the height direction, and is connected to the first side of the one of the main side plates along the longitudinal direction. The first top edge is pivotally connected, and the auxiliary platform unit includes at least one auxiliary platform device. The auxiliary platform device has a secondary side plate corresponding to one of the main side plates, and a side plate pivotally connected with the secondary side plate along the longitudinal direction. A first sub-table, a second sub-table pivotally connected to the first sub-table along the longitudinal direction and between the first sub-table and the main platform unit, and two pivotally connected to the main platform unit respectively The auxiliary side plate and the auxiliary folding foot set between the auxiliary side plate and the main platform unit, the auxiliary folding foot set respectively has a first auxiliary foot plate pivotally connected with the auxiliary side plate along the height direction , and a second auxiliary foot plate pivotally connected to the first auxiliary foot plate along the height direction and between the first auxiliary foot plate and the main platform unit, the auxiliary platform device can be in an unfolded state and a folded state In the unfolded state, the first sub-table and the second sub-table are respectively unfolded into a horizontal shape, the sub-side board and the main platform unit are spaced apart from each other along the transverse direction, and the sub-folding foot set The first auxiliary footboard and the second auxiliary footboard are respectively deployed between the auxiliary side board and the main platform unit, and in the folded state, the first auxiliary tableboard and the second auxiliary tableboard overlap each other along the height direction Closed, the secondary side plate is adjacent to the main platform unit, and the first secondary foot plate and the second secondary foot plate of the secondary folding foot set are respectively superimposed between the secondary side plate and the main platform unit. 2. The multi-functional folding platform according to claim 1, characterized in that: the main table board also has two first limiting grooves formed on the bottom surface, each of the main folding foot groups The main foot plate also has at least one first limit block. In the unfolded state, the first limit block of one of the main foot plates corresponding to the main folding foot group is respectively embedded in the first limit block of one of the main table plates. The limiting groove, the first limiting block of the other main foot plate corresponding to the main folding foot group is respectively embedded in the first limiting groove of the other main table. 3. The multifunctional folding platform according to claim 2, wherein the first limiting grooves of each main platform are inclined toward the first inner side of the main platform along the transverse direction. Approaching, the first limiting groove of each main platform is respectively adjacent to the first inner side of the main platform. 4. The multifunctional folding platform according to claim 1, wherein the first sub-table has two second limiting grooves formed on the bottom surface, and the second sub-table has two second limiting grooves formed on the bottom surface. The third limit groove on the bottom surface, the first secondary foot plate of each secondary foldable foot set has at least one second limit block, and the second secondary foot plate of each secondary foldable foot set has at least one third limit block block, in the unfolded state, the second limiting blocks of the first auxiliary foot plate of the auxiliary folding foot group are respectively embedded in the second limiting grooves of the first auxiliary table plate, and the second limiting blocks of the auxiliary folding foot group The third limiting blocks of the second sub-foot are embedded in the third limiting grooves of the second sub-table respectively. 5. The multifunctional folding platform according to claim 4, wherein the second limiting grooves of each of the first sub-tables are inclined toward each other along the transverse direction toward the second sub-table. , the third limiting slots of each second sub-table are inclined towards the first sub-table along the transverse direction, and the second limiting slots of each first sub-table are connected to each second sub-table. The third limiting slots of the table are respectively adjacent to the pivot joints of the first sub-table and the second sub-table. 6. The multi-functional folding platform according to claim 1, wherein the main platform unit further comprises a first interlocking pull cord connected between the main folding leg groups, and a first link connected to the The second interlocking cord between the first interlocking cord and at least one of the main decks, the two ends of the first interlocking cord are respectively adjacent to the second inner side of the main foot plate of the main retractable leg group One end of the second interlocking stay cord is movably connected to the first interlock stay cord, and the other end of the second interlock stay cord is adjacent to the first inner side of one of the main tabletops. 7. The multi-function folding platform according to claim 1, characterized in that: the auxiliary table device also has a third interlocking pull cord connected between the auxiliary folding leg groups, and a third linkage rope connected to the second A fourth interlocking pull cord between a sub-table, at least one of the second sub-table and the third interlocking cord, both ends of the third interlocking cord are respectively adjacent to the auxiliary folding At the pivot joint between the first auxiliary foot plate and the second auxiliary foot plate of the foot group, one end of the fourth interlocking stay cord is movably connected to the third interlocking stay cord, and the other end of the fourth interlocking stay cord It is adjacent to the pivot joint between the first sub-table and the second sub-table. 8. The multifunctional folding platform according to claim 1, wherein the main platform unit further comprises a first shaft connecting the first inner sides of the main platform together, and a pivot The first handle connected to the first shaft rod, wherein one of the main table boards also has a first groove capable of accommodating the first handle. 9. The multifunctional folding platform according to claim 1, wherein the sub-table device further has a second shaft pivotally connecting the first sub-table and the second sub-table together, and a second handle pivotally connected to the second shaft, one of the first sub-table and the second sub-table also has a second groove capable of accommodating the second handle. 10. The multifunctional folding platform according to any one of claims 1 to 9, characterized in that: the second auxiliary foot plate of the auxiliary folding foot group is respectively aligned with the one of the main side plates along the height direction. The first side is pivotally connected, and the second sub-table is pivotally connected to the first top edge of one of the main side plates along the longitudinal direction. 11. The multifunctional folding platform according to any one of claims 1 to 9, wherein the sub-platform unit includes a plurality of sub-table devices, each sub-side panel has a second top edge, and two The second sides arranged at intervals along the longitudinal direction and opposite along the height direction, each second auxiliary foot plate of the auxiliary platform device closest to one of the main side plates along the height direction and one of the main sides One of the first sides of the board is pivotally connected, the second sub-table of the sub-table device is pivotally connected with the first top edge of one of the main side plates along the longitudinal direction, and one of the adjacent two sub-table devices Each second auxiliary foot plate of the auxiliary platform device is pivotally connected with one of the second side edges of the auxiliary side plate of the other auxiliary platform device along the height direction, and the second auxiliary platform of one of the auxiliary platform devices is along the The longitudinal direction is pivotally connected with the second top edge of the secondary side plate of the other secondary platform device.