Foldable door structure and method of use thereof

Abstract

The present invention relates to a foldable door structure and a method of using the same, comprising: a mounting column mounted on one side wall of a door opening along the height direction of the door opening; a telescopic assembly mounted on the mounting column; a driving assembly mounted on the mounting column and drivingly connected to the telescopic assembly, the telescopic assembly being driven to unfold and fold by the driving assembly; and a plurality of panels mounted on the telescopic assembly at intervals. When the telescopic assembly is folded upward, the telescopic assembly drives a plurality of panels to move upward to the top of the door opening, and flips the panels to an inclined state to open the door opening, thereby realizing the folding of the plurality of panels; when the telescopic assembly is unfolded downward, the telescopic assembly drives a plurality of panels to move downward and flips them to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby realizing the unfolding of the plurality of panels. Since the plurality of panels are located at the top of the door opening after folding, they will not occupy the space in the building behind the door opening, and are suitable for buildings with narrow spaces.

Description

Technical Field

[0001] The invention relates to the technical field of doors, and in particular to a foldable door structure and a use method thereof. Background Art

[0002] Temporary buildings such as construction site warehouses and closed garbage stations are mainly built with fences. Their doors are often swing doors that open to the left and right. When the doors are opened, they will occupy a large space behind the doors. Things cannot be placed behind the doors, otherwise the doors cannot be fully opened. They are not suitable for buildings with small spaces. Summary of the invention

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a foldable door structure and a method of using the same to solve the problem that the existing left-right swing doors are not suitable for buildings with narrow spaces.

[0004] To achieve the above object, the present invention provides a foldable door structure installed at a door opening of a building structure, the door structure comprising:

[0005] A mounting column mounted on one side wall of the door opening along the height direction of the door opening;

[0006] A telescopic assembly mounted on the mounting post, the telescopic assembly being capable of being unfolded downward and folded upward along the height direction of the mounting post;

[0007] A driving assembly mounted on the mounting column and drivingly connected to the telescopic assembly, the telescopic assembly is driven to be unfolded and folded by the driving assembly; and

[0008] Several panels are installed on the telescopic component at intervals. When the telescopic component is folded upward, the telescopic component drives the several panels to move upward to the top of the door opening, and flips the panels to an inclined state to open the door opening, thereby realizing folding of the several panels. When the telescopic component is unfolded downward, the telescopic component drives the several panels to move downward and flip them to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby realizing unfolding of the several panels.

[0009] The present invention sets a mounting column on one side wall of the door opening, mounts a telescopic assembly and a driving assembly on the mounting column, drives the telescopic assembly to unfold downward along the height direction of the mounting column by the driving assembly, drives a plurality of panels to move downward and flip to a vertical state, makes two adjacent panels abut against each other to block the door opening, thereby realizing the unfolding of a plurality of panels. When the telescopic assembly is driven by the driving assembly to fold upward along the height direction of the mounting column, the telescopic assembly drives a plurality of panels to move upward to the top of the door opening, and flips the panels to an inclined state to open the door opening, thereby realizing the folding of a plurality of panels. Since the plurality of panels are located at the top of the door opening after folding, they will not occupy the space in the building behind the door opening, and are suitable for buildings with narrow spaces.

[0010] A further improvement of the foldable door structure of the present invention is that it further comprises a through groove provided on the mounting column along the height direction of the mounting column, and a slide groove provided on a side wall of the through groove, wherein the through groove transversely penetrates the mounting column and has a first notch located on the inner side of the door opening and a second notch located on the outer side of the door opening, and the setting direction of the slide groove is consistent with the setting direction of the through groove;

[0011] The telescopic assembly partially extends out of the first slot and includes at least two first rods arranged in parallel and at least two second rods, a third rod, a fourth rod, a fifth rod and a sixth rod arranged in parallel, the middle portion of each first rod being hingedly connected to the middle portion of the corresponding second rod through a first shaft rod, the bottom end of the first rod located above the two parallel first rods is hingedly connected to the top end of the second rod located on the first rod located below through a second shaft rod, the bottom end of the second rod located on the first rod located above is hingedly connected to the top end of the first rod located below through a third shaft rod, and the second shaft rod is slidably arranged in the slide groove;

[0012] A fixed shaft partially extending out of the slide slot is fixed in the top end of the slide slot, the top end of the third rod is sleeved on the part of the fixed shaft extending out of the slide slot, and the bottom end is hingedly connected to the top end of the first rod located at the top through a fourth shaft rod, a rotating rod is sleeved on the fixed shaft, a transmission assembly is provided between the rotating rod and the third rod, and the rotating rod can extend out of the second slot under the support of the transmission assembly, the top end of the fourth rod is hingedly connected to the middle part of the third rod through a fifth shaft rod, and the bottom end is sleeved on the second shaft rod of the second rod located at the top end;

[0013] A driving shaft located below the second shaft rod at the bottom is also slidably disposed in the slide groove, the driving assembly is drivingly connected to the driving shaft to drive the driving shaft to move along the slide groove, the top end of the fifth rod is hingedly connected to the bottom end of the second rod located at the bottom end through the sixth shaft rod, and the bottom end is sleeved on the driving shaft, the top end of the sixth rod is sleeved on the second shaft rod of the first rod located at the bottom end, and the bottom end is hingedly connected to the middle part of the fifth rod through the seventh shaft rod;

[0014] Several panels are respectively installed on the side of the rotating rod away from the third rod, one end of the fourth rod away from the third rod, one end of the first rod provided with the second shaft rod and one end of the fifth rod provided with the driving shaft, and the panel is located on the outside of the second slot.

[0015] A further improvement of the foldable door structure of the present invention is that the transmission assembly includes a transmission shaft slidably arranged in the sliding groove and located between the fixed shaft and the second shaft rod at the top end, a first transmission rod having one end sleeved on the transmission shaft and the other end hingedly connected to the third rod member via a first hinge shaft, and a second transmission rod having one end sleeved on the transmission shaft and the other end hingedly connected to the rotating rod via a second hinge shaft.

[0016] A further improvement of the foldable door structure of the present invention is that it further comprises a mounting rod disposed at an end of the fourth rod away from the third rod, and a panel corresponding to the fourth rod is disposed at a side of the mounting rod away from the first notch;

[0017] When the telescopic assembly is folded upward, the mounting rod is flipped to be inclined and extends out of the second notch;

[0018] When the telescopic assembly is unfolded downward, the mounting rod is rotated to a vertical state and a side of the mounting rod away from the first slot extends out of the second slot.

[0019] A further improvement of the foldable door structure of the present invention is that it further comprises a connecting rod provided at one end of the first rod member provided with a second shaft rod, and a panel corresponding to the first rod member is installed on a side of the connecting rod away from the first notch;

[0020] When the telescopic assembly is folded upward, the connecting rod is flipped to be inclined and the side of the connecting rod away from the first notch extends out of the second notch;

[0021] When the telescopic assembly is unfolded downward, the connecting rod rotates to a vertical state and a side of the connecting rod away from the first notch extends out of the second notch.

[0022] A further improvement of the foldable door structure of the present invention is that the driving shaft partially protrudes outside the telescopic assembly to form a protruding portion;

[0023] The door structure further includes a first gear disposed at the top of the through slot corresponding to the protruding portion, a second gear disposed at the bottom of the through slot and below the protruding portion, a motor disposed at the bottom of the mounting column and drivingly connected to the second gear, and a chain wound around the first gear and the second gear;

[0024] The installation height of the first gear is higher than the installation height of the telescopic assembly;

[0025] The chain is fixedly connected to the protruding portion, and when the chain rotates, the chain drives the driving shaft to move along the sliding groove.

[0026] A further improvement of the foldable door structure of the present invention is that it also includes a groove corresponding to the slide groove and arranged on the other side wall of the through groove, the setting direction of the groove is consistent with the setting direction of the slide groove, and the protrusion is slidably arranged in the groove.

[0027] A further improvement of the foldable door structure of the present invention is that it also includes a fixing member installed and connected between the protruding portion and the chain.

[0028] A further improvement of the foldable door structure of the present invention is that it also includes a support column installed on the other side wall of the door opening along the height direction of the door opening and a crossbeam installed between the top of the support column and the top of the installation column, and the crossbeam is fixed on the top wall of the door opening.

[0029] A further improvement of the foldable door structure of the present invention is that it also includes a control switch which is arranged on the mounting column and is controllably connected to the driving assembly.

[0030] The present invention also provides a method for using the foldable door structure as described above, characterized in that it comprises the following steps:

[0031] When the door structure is opened, the driving assembly is started, so that the driving assembly drives the telescopic assembly to fold upward, thereby driving the plurality of panels to move upward to the top of the door opening, and causing the panels to flip and tilt to open the door opening, thereby achieving folding of the plurality of panels;

[0032] When closing the door structure, the driving assembly is started to drive the telescopic assembly to unfold downward, thereby driving the plurality of panels to move downward and flip to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby achieving the unfolding of the plurality of panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 The foldable door structure of the present invention is a vertical view of the inner side of the door opening.

[0034] Figure 2 The foldable door structure of the present invention is a vertical view of the outer side of the door opening.

[0035] Figure 3 This is a state diagram of the foldable door structure of the present invention when it is unfolded.

[0036] Figure 4 This is a state diagram of the foldable door structure of the present invention when it is folded.

[0037] Figure 5 It is a cross-sectional view of the through-slot in the foldable door structure of the present invention.

[0038] Explanation of symbols: panel 10, mounting column 20, through slot 21, slide slot 22, telescopic assembly 30, first rod 31, first shaft 311, second shaft 312, third shaft 313, second rod 32, third rod 33, fixed shaft 331, fourth shaft 332, fourth rod 34, fifth shaft 341, fifth rod 35, drive shaft 351, protrusion 3511, sixth shaft 352, sixth rod 36, seventh shaft 361, rotating rod 37, mounting rod 38, connecting rod 39, drive assembly 40, first gear 41, second gear 42, motor 43, chain 44, transmission assembly 50, transmission shaft 51, first transmission rod 52, second transmission rod 53, support column 60, crossbeam 70, control switch 80. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0040] The invention provides a foldable door structure and a use method thereof, which can be folded upward and unfolded downward, and a plurality of panels are folded at the top of a door opening to avoid occupying the space inside a building behind the door opening.

[0041] The foldable door structure of the present invention and its use method are described below with reference to the accompanying drawings.

[0042] See also Figure 1 and Figure 2In this embodiment, a foldable door structure is installed at a door opening of a building structure, and the door structure includes: a mounting column 20 mounted on a side wall of the door opening along the height direction of the door opening; a telescopic assembly 30 mounted on the mounting column 20, and the telescopic assembly 30 can be downwardly expanded and upwardly folded along the height direction of the mounting column 20; a driving assembly 40 mounted on the mounting column 20 and drivingly connected to the telescopic assembly 30, and the telescopic assembly 30 is driven to be expanded and folded by the driving assembly 40; and a plurality of telescopic assemblies 30 are installed on the telescopic assembly 30 at intervals. The telescopic component 30 comprises several panels 10. When the telescopic component 30 is folded upward, the telescopic component 30 drives the several panels 10 to move upward to the top of the door opening, and flips the panels 10 to an inclined state to open the door opening, thereby realizing the folding of the several panels 10. When the telescopic component 30 is unfolded downward, the telescopic component 30 drives the several panels 10 to move downward and flip to a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby realizing the unfolding of the several panels 10.

[0043] Preferably, the first rod member 31 and the second rod member 32 are arranged in a one-to-one correspondence.

[0044] In this embodiment, the foldable door structure uses the driving assembly 40 to drive the telescopic assembly 30 to unfold downward and fold upward along the height direction of the mounting column 20. When the telescopic assembly 30 unfolds downward, it drives several panels 10 to move downward and flip to a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby realizing the unfolding of several panels 10. When the telescopic assembly 30 folds upward, it drives several panels 10 to move upward to the top of the door opening, and flips the panels 10 to an inclined state to open the door opening, thereby realizing the folding of several panels 10. Compared with the existing left-right swing door, which occupies a large space behind the door after opening, the several panels 10 of the present application are folded at the top of the door opening to avoid occupying the space in the building behind the door opening, which is suitable for buildings with narrow space, saving space and convenient to open.

[0045] See also Figure 3 and Figure 4In a specific embodiment, the door structure further includes a through slot 21 provided on the mounting column 20 along the height direction of the mounting column 20, and a slide slot 22 provided on a side wall of the through slot 21, wherein the through slot 21 transversely penetrates the mounting column 20 and has a first notch located on the inner side of the door opening and a second notch located on the outer side of the door opening, and the setting direction of the slide slot 22 is consistent with the setting direction of the through slot 21; the telescopic assembly 30 partially extends out of the first notch and includes at least two first rods 31 arranged in parallel and at least two second rods 32, a third rod 33, a fourth rod 34, a fifth rod 35 and a sixth rod 36 arranged in parallel, and the middle part of each of the first rods 31 The middle part of the corresponding second rod 32 is hingedly connected through the first shaft rod 311, and the bottom end of the first rod 31 located on the upper side of the two parallel first rods 31 is hingedly connected to the top end of the second rod 32 on the first rod 31 located on the lower side through the second shaft rod 312, and the bottom end of the second rod 32 on the first rod 31 located on the upper side is hingedly connected to the top end of the first rod 31 located on the lower side through the third shaft rod 313, and the second shaft rod 312 is slidably arranged in the slide groove 22; a fixed shaft 331 partially extending out of the slide groove 22 is fixed in the top end of the slide groove 22, and the top end of the third rod 33 is sleeved on the part of the fixed shaft 331 extending out of the slide groove 22 and the bottom end is hingedly connected to the top end of the first rod 31 through the fourth shaft rod 33 2 is hingedly connected to the top of the first rod 31 at the top, a rotating rod 37 is sleeved on the fixed shaft 331, a transmission assembly 50 is provided between the rotating rod 37 and the third rod 33, and the rotating rod 37 can extend out of the second notch under the support of the transmission assembly 50, the top of the fourth rod 34 is hingedly connected to the middle of the third rod 33 through the fifth shaft 341 and the bottom end is sleeved on the second shaft 312 of the second rod 32 at the top; a driving shaft 351 located below the second shaft 312 at the bottom is also slidably provided in the slide groove 22, and the driving assembly 40 is drivingly connected to the driving shaft 351 to drive the driving shaft 351 to move along the slide groove 22 The top end of the fifth rod 35 is hingedly connected to the bottom end of the second rod 32 at the bottom end through the sixth shaft 352 and the bottom end is sleeved on the driving shaft 351, the top end of the sixth rod 36 is sleeved on the second shaft 312 of the first rod 31 at the bottom end and the bottom end is hingedly connected to the middle part of the fifth rod 35 through the seventh shaft 361; a plurality of panels 10 are respectively installed on the side of the rotating rod 37 away from the third rod 33, the end of the fourth rod 34 away from the third rod 33, the end of the first rod 31 provided with the second shaft 312 and the end of the fifth rod 35 provided with the driving shaft 351, and the panel 10 is located on the outside of the second slot.

[0046] See also Figure 3and Figure 4 Furthermore, the transmission assembly 50 includes a transmission shaft 51 slidably arranged in the slide groove 22 and located between the fixed shaft 331 and the topmost second shaft rod 312, a first transmission rod 52 having one end sleeved on the transmission shaft 51 and the other end hingedly connected to the third rod 33 through a first hinge shaft, and a second transmission rod 53 having one end sleeved on the transmission shaft 51 and the other end hingedly connected to the rotating rod 37 through a second hinge shaft.

[0047] See also Figure 3 and Figure 4 Furthermore, the door structure also includes a mounting rod 38 provided at an end of the fourth rod 34 away from the third rod 33, and the panel 10 corresponding to the fourth rod 34 is provided on a side of the mounting rod 38 away from the first slot; when the telescopic assembly 30 is folded upward, the mounting rod 38 flips to an inclined state and extends out of the second slot; when the telescopic assembly 30 is unfolded downward, the mounting rod 38 rotates to a vertical state and the side of the mounting rod 38 away from the first slot extends out of the second slot.

[0048] See also Figure 3 and Figure 4 Furthermore, the door structure also includes a connecting rod 39 provided at one end of the first rod 31 with a second shaft rod 312, and the panel 10 corresponding to the first rod 31 is installed on the side of the connecting rod 39 away from the first slot; when the telescopic assembly 30 is folded upward, the connecting rod 39 is flipped to an inclined state and the side of the connecting rod 39 away from the first slot extends out of the second slot; when the telescopic assembly 30 is unfolded downward, the connecting rod 39 is rotated to a vertical state and the side of the connecting rod 39 away from the first slot extends out of the second slot.

[0049] See also Figure 3 and Figure 4 Furthermore, the door structure also includes a fixing rod provided at one end of the fifth rod 35 provided with the driving shaft 351, and the panel 10 corresponding to the fifth rod 35 is installed on the side of the fixing rod away from the first slot; when the telescopic assembly 30 is folded upward, the fixing rod is flipped to an inclined state and the side of the fixing rod away from the first slot extends out of the second slot; when the telescopic assembly 30 is unfolded downward, the fixing rod is rotated to a vertical state and the side of the fixing rod away from the first slot extends out of the second slot.

[0050] See also Figure 1In a specific embodiment, the driving shaft 351 partially protrudes outside the telescopic assembly 30 to form a protruding portion 3511; the door structure also includes a first gear 41 corresponding to the protruding portion 3511 and arranged at the top of the through-slot 21, a second gear 42 arranged at the bottom of the through-slot 21 and below the protruding portion 3511, a motor 43 arranged at the bottom of the mounting column 20 and drivingly connected to the second gear 42, and a chain 44 wound around the first gear 41 and the second gear 42; the installation height of the first gear 41 is higher than the installation height of the telescopic assembly 30; the chain 44 is fixedly connected to the protruding portion 3511, and when the chain 44 rotates, the chain 44 drives the driving shaft 351 to move along the slide slot 22.

[0051] Furthermore, the door structure also includes a groove corresponding to the slide groove 22 and arranged on the other side wall of the through groove 21, the setting direction of the groove is consistent with the setting direction of the slide groove 22, and the protrusion 3511 is slidably arranged in the groove.

[0052] See also Figure 1 Furthermore, the door structure also includes a fixing member installed and connected between the protruding portion 3511 and the chain 44.

[0053] See also Figure 1 and Figure 2 In a specific embodiment, the door structure further includes a support column 60 installed on the other side wall of the door opening along the height direction of the door opening and a crossbeam 70 installed between the top of the support column 60 and the top of the mounting column 20, and the crossbeam 70 is fixed on the top wall of the door opening. The mounting column 20, the support column 60 and the crossbeam 70 form a door frame support structure to prevent the entire door structure from being deformed during use.

[0054] See also Figure 1 and Figure 2 Preferably, the door structure also includes a control switch 80 disposed on the mounting column 20 and control-connected to the drive assembly 40 , and the rotation direction of the motor 43 is controlled by the control switch 80 to control the forward and reverse rotation of the chain 44 , thereby controlling the up and down movement of the drive shaft 351 .

[0055] The working process of the foldable door structure of the present invention is described below.

[0056] See also Figure 4By controlling the switch 80 to start the door opening mechanism, the motor 43 drives the second gear 42 to rotate, thereby driving the chain 44 to rotate, so that the fixed part on the chain 44 moves upward with the driving shaft 351, and the driving shaft 351 moves up to the second shaft rod 312 at the bottom and pushes the second shaft rod 312 to continue to move upward, so that a plurality of second shaft rods 312 move upward, and the second shaft rod 312 at the top moves up to the transmission shaft 51 and pushes the transmission shaft 51 to move upward, and between the driving shaft 351 and the second shaft rod 312, the second shaft rod 312 moves upward, and the second shaft rod 312 moves upward. The shaft rod 312 and the transmission shaft 51 move upward, and at the same time drive the first rod 31, the second rod 32, the third rod 33, the fourth rod 34, the fifth rod 35 and the sixth rod 36 to rotate and move upward, so that the telescopic assembly 30 is folded upward, and drives the several panels 10 to move upward to the top of the door opening, so that the mounting rod 38 and the connecting rod 39 are flipped and tilted, and then the several panels 10 are tilted to open the door opening, thereby realizing the folding of the several panels 10.

[0057] See also Figure 3 , by controlling the switch 80 to close the door structure, the motor 43 drives the second gear 42 to rotate, thereby driving the chain 44 to rotate, so that the fixing member on the chain 44 moves downward with the driving shaft 351, and the driving shaft 351 drives the second shaft rod 312 and the transmission shaft 51 to move downward together, so that the first rod 31, the second rod 32, the third rod 33, the fourth rod 34, the fifth rod 35 and the sixth rod 36 rotate and move downward, so that the telescopic assembly 30 is unfolded downward, and drives the plurality of panels 10 to move downward, so that the mounting rod 38 and the connecting rod 39 are flipped to a vertical state, so that the plurality of panels 10 are flipped to a vertical state, and the two adjacent panels 10 are abutted against each other to block the door opening, thereby realizing the unfolding of the plurality of panels 10.

[0058] The present invention also provides a method for using the foldable door structure as described above, comprising the following steps:

[0059] When the door structure is opened, the driving assembly 40 is started, so that the driving assembly 40 drives the telescopic assembly 30 to fold upward, thereby driving the plurality of panels 10 to move upward to the top of the door opening, and causing the panels 10 to flip and tilt to open the door opening, thereby achieving folding of the plurality of panels 10;

[0060] When closing the door structure, the driving assembly 40 is started so that the driving assembly 40 drives the telescopic assembly 30 to expand downward, thereby driving the plurality of panels 10 to move downward and flip to a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby achieving the expansion of the plurality of panels 10.

[0061] By adopting the above technical solution, the present invention has the following beneficial effects:

[0062] Compared with the prior art, the present invention saves space and is convenient to open, and can be applied to sites with narrow opening space.

[0063] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

Claims

1. A foldable door structure installed at a door opening of a building structure, characterized in that: The door structure comprises: A mounting column mounted on one side wall of the door opening along the height direction of the door opening; A telescopic assembly mounted on the mounting post, the telescopic assembly being capable of being unfolded downward and folded upward along the height direction of the mounting post; A driving assembly mounted on the mounting column and drivingly connected to the telescopic assembly, the telescopic assembly is driven to be unfolded and folded by the driving assembly; and A plurality of panels are installed on the telescopic assembly at intervals. When the telescopic assembly is folded upward, the telescopic assembly drives the plurality of panels to move upward to the top of the door opening, and makes the panels flip to an inclined state to open the door opening, thereby realizing the folding of the plurality of panels. When the telescopic assembly is unfolded downward, the telescopic assembly drives the plurality of panels to move downward and flip to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby realizing the unfolding of the plurality of panels. It also includes a through groove provided on the mounting column along the height direction of the mounting column, and a slide groove provided on a side wall of the through groove, wherein the through groove transversely penetrates the mounting column and has a first notch located on the inner side of the door opening and a second notch located on the outer side of the door opening, and the setting direction of the slide groove is consistent with the setting direction of the through groove; The telescopic assembly partially extends out of the first slot and includes at least two first rods arranged in parallel and at least two second rods, a third rod, a fourth rod, a fifth rod and a sixth rod arranged in parallel, the middle portion of each first rod being hingedly connected to the middle portion of the corresponding second rod through a first shaft rod, the bottom end of the first rod located above the two parallel first rods is hingedly connected to the top end of the second rod located on the first rod located below through a second shaft rod, the bottom end of the second rod located on the first rod located above is hingedly connected to the top end of the first rod located below through a third shaft rod, and the second shaft rod is slidably arranged in the slide groove; A fixed shaft partially extending out of the slide slot is fixed in the top end of the slide slot, the top end of the third rod is sleeved on the part of the fixed shaft extending out of the slide slot, and the bottom end is hingedly connected to the top end of the first rod located at the top through a fourth shaft rod, a rotating rod is sleeved on the fixed shaft, a transmission assembly is provided between the rotating rod and the third rod, and the rotating rod can extend out of the second slot under the support of the transmission assembly, the top end of the fourth rod is hingedly connected to the middle part of the third rod through a fifth shaft rod, and the bottom end is sleeved on the second shaft rod of the second rod located at the top end; A driving shaft located below the second shaft rod at the bottom is also slidably disposed in the slide groove, the driving assembly is drivingly connected to the driving shaft to drive the driving shaft to move along the slide groove, the top end of the fifth rod is hingedly connected to the bottom end of the second rod located at the bottom end through the sixth shaft rod, and the bottom end is sleeved on the driving shaft, the top end of the sixth rod is sleeved on the second shaft rod of the first rod located at the bottom end, and the bottom end is hingedly connected to the middle part of the fifth rod through the seventh shaft rod; A plurality of panels are respectively mounted on a side of the rotating rod away from the third rod, an end of the fourth rod away from the third rod, an end of the first rod provided with the second shaft rod, and an end of the fifth rod provided with the driving shaft, and the panels are located outside the second notch; The transmission assembly includes a transmission shaft slidably arranged in the slide slot and located between the fixed shaft and the second shaft rod at the top, a first transmission rod having one end sleeved on the transmission shaft and the other end hingedly connected to the third rod through a first hinge shaft, and a second transmission rod having one end sleeved on the transmission shaft and the other end hingedly connected to the rotating rod through a second hinge shaft; It also includes a mounting rod disposed at one end of the fourth rod away from the third rod, and a panel corresponding to the fourth rod is disposed at a side of the mounting rod away from the first notch; When the telescopic assembly is folded upward, the mounting rod is flipped to be inclined and extends out of the second notch; When the telescopic assembly is unfolded downward, the mounting rod is rotated to a vertical state and a side of the mounting rod away from the first slot extends out of the second slot.

2. The foldable door structure according to claim 1, characterized in that: It also includes a connecting rod provided on one end of the first rod and provided with a second shaft rod, and a panel corresponding to the first rod is installed on a side of the connecting rod away from the first notch; When the telescopic assembly is folded upward, the connecting rod is flipped to be inclined and the side of the connecting rod away from the first notch extends out of the second notch; When the telescopic assembly is unfolded downward, the connecting rod rotates to a vertical state and a side of the connecting rod away from the first notch extends out of the second notch.

3. The foldable door structure according to claim 1, characterized in that: The driving shaft partially protrudes outside the telescopic assembly to form a protruding portion; The door structure further includes a first gear disposed at the top of the through slot corresponding to the protruding portion, a second gear disposed at the bottom of the through slot and below the protruding portion, a motor disposed at the bottom of the mounting column and drivingly connected to the second gear, and a chain wound around the first gear and the second gear; The installation height of the first gear is higher than the installation height of the telescopic assembly; The chain is fixedly connected to the protruding portion, and when the chain rotates, the chain drives the driving shaft to move along the sliding groove.

4. The foldable door structure according to claim 3, characterized in that: It also includes a groove corresponding to the slide groove and arranged on the other side wall of the through groove, the arrangement direction of the groove is consistent with the arrangement direction of the slide groove, and the protruding portion is slidably arranged in the groove.

5. The foldable door structure according to claim 3, characterized in that: The invention also comprises a fixing member which is installed and connected between the protruding portion and the chain.

6. The foldable door structure according to claim 1, characterized in that: It also includes a support column installed on the other side wall of the door opening along the height direction of the door opening and a crossbeam installed between the top of the support column and the top of the installation column, and the crossbeam is fixed on the top wall of the door opening.

7. A method for using the foldable door structure according to claim 1, characterized in that: The steps include: When the door structure is opened, the driving assembly is started, so that the driving assembly drives the telescopic assembly to fold upward, thereby driving the plurality of panels to move upward to the top of the door opening, and causing the panels to flip and tilt to open the door opening, thereby achieving folding of the plurality of panels; When closing the door structure, the driving assembly is started to drive the telescopic assembly to unfold downward, thereby driving the plurality of panels to move downward and flip to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby realizing the unfolding of the plurality of panels. Foldable door structure and method of use thereof Technical Field The invention relates to the technical field of doors, and in particular to a foldable door structure and a use method thereof. Background Art Temporary buildings such as construction site warehouses and closed garbage stations are mainly built with fences. Their doors are often swing doors that open to the left and right. When the doors are opened, they will occupy a large space behind the doors. Things cannot be placed behind the doors, otherwise the doors cannot be fully opened. They are not suitable for buildings with small spaces. Summary of the invention The purpose of the present invention is to overcome the defects of the prior art and provide a foldable door structure and a method of using the same to solve the problem that the existing left-right swing doors are not suitable for buildings with narrow spaces. To achieve the above object, the present invention provides a foldable door structure installed at a door opening of a building structure, the door structure comprising: A mounting column mounted on one side wall of the door opening along the height direction of the door opening; A telescopic assembly mounted on the mounting post, the telescopic assembly being capable of being unfolded downward and folded upward along the height direction of the mounting post; A driving assembly mounted on the mounting column and drivingly connected to the telescopic assembly, the telescopic assembly is driven to be unfolded and folded by the driving assembly; and Several panels are installed on the telescopic component at intervals. When the telescopic component is folded upward, the telescopic component drives the several panels to move upward to the top of the door opening, and flips the panels to an inclined state to open the door opening, thereby realizing folding of the several panels. When the telescopic component is unfolded downward, the telescopic component drives the several panels to move downward and flip them to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby realizing unfolding of the several panels. The present invention sets a mounting column on one side wall of the door opening, mounts a telescopic assembly and a driving assembly on the mounting column, drives the telescopic assembly to unfold downward along the height direction of the mounting column by the driving assembly, drives a plurality of panels to move downward and flip to a vertical state, makes two adjacent panels abut against each other to block the door opening, thereby realizing the unfolding of a plurality of panels. When the telescopic assembly is driven by the driving assembly to fold upward along the height direction of the mounting column, the telescopic assembly drives a plurality of panels to move upward to the top of the door opening, and flips the panels to an inclined state to open the door opening, thereby realizing the folding of a plurality of panels. Since the plurality of panels are located at the top of the door opening after folding, they will not occupy the space in the building behind the door opening, and are suitable for buildings with narrow spaces. A further improvement of the foldable door structure of the present invention is that it further comprises a through groove provided on the mounting column along the height direction of the mounting column, and a slide groove provided on a side wall of the through groove, wherein the through groove transversely penetrates the mounting column and has a first notch located on the inner side of the door opening and a second notch located on the outer side of the door opening, and the setting direction of the slide groove is consistent with the setting direction of the through groove; The telescopic assembly partially extends out of the first slot and includes at least two first rods arranged in parallel and at least two second rods, a third rod, a fourth rod, a fifth rod and a sixth rod arranged in parallel, the middle portion of each first rod being hingedly connected to the middle portion of the corresponding second rod through a first shaft rod, the bottom end of the first rod located above the two parallel first rods is hingedly connected to the top end of the second rod located on the first rod located below through a second shaft rod, the bottom end of the second rod located on the first rod located above is hingedly connected to the top end of the first rod located below through a third shaft rod, and the second shaft rod is slidably arranged in the slide groove; A fixed shaft partially extending out of the slide slot is fixed in the top end of the slide slot, the top end of the third rod is sleeved on the part of the fixed shaft extending out of the slide slot, and the bottom end is hingedly connected to the top end of the first rod located at the top through a fourth shaft rod, a rotating rod is sleeved on the fixed shaft, a transmission assembly is provided between the rotating rod and the third rod, and the rotating rod can extend out of the second slot under the support of the transmission assembly, the top end of the fourth rod is hingedly connected to the middle part of the third rod through a fifth shaft rod, and the bottom end is sleeved on the second shaft rod of the second rod located at the top end; A driving shaft located below the second shaft rod at the bottom is also slidably disposed in the slide groove, the driving assembly is drivingly connected to the driving shaft to drive the driving shaft to move along the slide groove, the top end of the fifth rod is hingedly connected to the bottom end of the second rod located at the bottom end through the sixth shaft rod, and the bottom end is sleeved on the driving shaft, the top end of the sixth rod is sleeved on the second shaft rod of the first rod located at the bottom end, and the bottom end is hingedly connected to the middle part of the fifth rod through the seventh shaft rod; Several panels are respectively installed on the side of the rotating rod away from the third rod, one end of the fourth rod away from the third rod, one end of the first rod provided with the second shaft rod and one end of the fifth rod provided with the driving shaft, and the panel is located on the outside of the second slot. A further improvement of the foldable door structure of the present invention is that the transmission assembly includes a transmission shaft slidably arranged in the sliding groove and located between the fixed shaft and the second shaft rod at the top end, a first transmission rod having one end sleeved on the transmission shaft and the other end hingedly connected to the third rod member via a first hinge shaft, and a second transmission rod having one end sleeved on the transmission shaft and the other end hingedly connected to the rotating rod via a second hinge shaft. A further improvement of the foldable door structure of the present invention is that it further comprises a mounting rod disposed at an end of the fourth rod away from the third rod, and a panel corresponding to the fourth rod is disposed at a side of the mounting rod away from the first notch; When the telescopic assembly is folded upward, the mounting rod is flipped to be inclined and extends out of the second notch; When the telescopic assembly is unfolded downward, the mounting rod is rotated to a vertical state and a side of the mounting rod away from the first slot extends out of the second slot. A further improvement of the foldable door structure of the present invention is that it further comprises a connecting rod provided at one end of the first rod member provided with a second shaft rod, and a panel corresponding to the first rod member is installed on a side of the connecting rod away from the first notch; When the telescopic assembly is folded upward, the connecting rod is flipped to be inclined and the side of the connecting rod away from the first notch extends out of the second notch; When the telescopic assembly is unfolded downward, the connecting rod rotates to a vertical state and a side of the connecting rod away from the first notch extends out of the second notch. A further improvement of the foldable door structure of the present invention is that the driving shaft partially protrudes outside the telescopic assembly to form a protruding portion; The door structure further includes a first gear disposed at the top of the through slot corresponding to the protruding portion, a second gear disposed at the bottom of the through slot and below the protruding portion, a motor disposed at the bottom of the mounting column and drivingly connected to the second gear, and a chain wound around the first gear and the second gear; The installation height of the first gear is higher than the installation height of the telescopic assembly; The chain is fixedly connected to the protruding portion, and when the chain rotates, the chain drives the driving shaft to move along the sliding groove. A further improvement of the foldable door structure of the present invention is that it also includes a groove corresponding to the slide groove and arranged on the other side wall of the through groove, the setting direction of the groove is consistent with the setting direction of the slide groove, and the protrusion is slidably arranged in the groove. A further improvement of the foldable door structure of the present invention is that it also includes a fixing member installed and connected between the protruding portion and the chain. A further improvement of the foldable door structure of the present invention is that it also includes a support column installed on the other side wall of the door opening along the height direction of the door opening and a crossbeam installed between the top of the support column and the top of the installation column, and the crossbeam is fixed on the top wall of the door opening. A further improvement of the foldable door structure of the present invention is that it also includes a control switch which is arranged on the mounting column and is controllably connected to the drive assembly. The present invention also provides a method for using the foldable door structure as described above, characterized in that: The steps include: When the door structure is opened, the driving assembly is started, so that the driving assembly drives the telescopic assembly to fold upward, thereby driving the plurality of panels to move upward to the top of the door opening, and causing the panels to flip and tilt to open the door opening, thereby achieving folding of the plurality of panels; When closing the door structure, the driving assembly is started to drive the telescopic assembly to unfold downward, thereby driving the plurality of panels to move downward and flip to a vertical state, so that two adjacent panels abut against each other to block the door opening, thereby realizing the unfolding of the plurality of panels. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a vertical view of the foldable door structure of the present invention at the inner side of the door opening. FIG. 2 is a vertical view of the foldable door structure of the present invention in the direction of the outside of the door opening. FIG. 3 is a diagram showing the state of the foldable door structure of the present invention when it is unfolded. FIG. 4 is a diagram showing the state of the foldable door structure of the present invention when it is folded. FIG. 5 is a cross-sectional view of a through-slot in the foldable door structure of the present invention. Explanation of symbols: panel 10, mounting column 20, through slot 21, slide slot 22, telescopic assembly 30, first rod 31, first shaft 311, second shaft 312, third shaft 313, second rod 32, third rod 33, fixed shaft 331, fourth shaft 332, fourth rod 34, fifth shaft 341, fifth rod 35, drive shaft 351, protrusion 3511, sixth shaft 352, sixth rod 36, seventh shaft 361, rotating rod 37, mounting rod 38, connecting rod 39, drive assembly 40, first gear 41, second gear 42, motor 43, chain 44, transmission assembly 50, transmission shaft 51, first transmission rod 52, second transmission rod 53, support column 60, crossbeam 70, control switch 80. DETAILED DESCRIPTION In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. The invention provides a foldable door structure and a use method thereof, which can be folded upward and unfolded downward, and a plurality of panels are folded at the top of a door opening to avoid occupying the space inside a building behind the door opening. The foldable door structure and the method of using the foldable door according to the present invention will be described below with reference to the accompanying drawings. Referring to FIG. 1 and FIG. 2 , in this embodiment, a foldable door structure is installed at a door opening of a building structure, and the door structure includes: A mounting column 20 mounted on one side wall of the door opening along the height direction of the door opening; A telescopic component 30 installed on the mounting column 20, the telescopic component 30 can be downwardly expanded and upwardly folded along the height direction of the mounting column 20; a driving component 40 installed on the mounting column 20 and drivingly connected to the telescopic component 30, driving the telescopic component 30 to expand and fold through the driving component 40; a plurality of panels 10 installed on the telescopic component 30 at intervals, when the telescopic component 30 is folded upward, the telescopic component 30 drives the plurality of panels 10 to move upward to the top of the door opening, and flips the panels 10 into an inclined state to open the door opening, thereby realizing the folding of the plurality of panels 10, and when the telescopic component 30 is downwardly expanded, the telescopic component 30 drives the plurality of panels 10 to move downward and flip into a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby realizing the expansion of the plurality of panels 10. Preferably, the first rod member 31 and the second rod member 32 are arranged in a one-to-one correspondence. In this embodiment, the foldable door structure uses the driving assembly 40 to drive the telescopic assembly 30 to unfold downward and fold upward along the height direction of the mounting column 20. When the telescopic assembly 30 unfolds downward, it drives several panels 10 to move downward and flip to a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby realizing the unfolding of several panels 10. When the telescopic assembly 30 folds upward, it drives several panels 10 to move upward to the top of the door opening, and flips the panels 10 to an inclined state to open the door opening, thereby realizing the folding of several panels 10. Compared with the existing left-right swing door, which occupies a large space behind the door after opening, the several panels 10 of the present application are folded at the top of the door opening to avoid occupying the space in the building behind the door opening, which is suitable for buildings with narrow space, saving space and convenient to open. Referring to FIGS. 3 and 4 , in a specific embodiment, the door structure further includes a through slot 21 provided on the mounting column 20 along the height direction of the mounting column 20, and a slide slot 22 provided on a side wall of the through slot 21, wherein the through slot 21 transversely penetrates the mounting column 20 and has a first notch located on the inner side of the door opening and a second notch located on the outer side of the door opening, and the setting direction of the slide slot 22 is consistent with the setting direction of the through slot 21; the telescopic assembly 30 partially extends out of the first notch and includes at least two first rods 31 arranged in parallel and at least two second rods 32, a third rod 33, a fourth rod 34, a fifth rod 35 and a sixth rod 36 arranged in parallel, each of the first rods The middle part of the member 31 is hingedly connected to the middle part of the corresponding second rod member 32 through the first shaft rod 311. The bottom end of the first rod member 31 located on the upper side of the two parallel first rod members 31 is hingedly connected to the top end of the second rod member 32 on the first rod member 31 located on the lower side through the second shaft rod 312. The bottom end of the second rod member 32 on the first rod member 31 located on the upper side is hingedly connected to the top end of the first rod member 31 located on the lower side through the third shaft rod 313. The second shaft rod 312 is slidably arranged in the slide groove 22. A fixed shaft 331 partially extending out of the slide groove 22 is fixed in the top end of the slide groove 22. The top end of the third rod member 33 is sleeved on the part of the fixed shaft 331 extending out of the slide groove 22 and the bottom end is hingedly connected to the top end of the first rod member 31 through the fourth shaft rod 313. The shaft rod 332 is hingedly connected to the top of the first rod 31 at the top, and a rotating rod 37 is sleeved on the fixed shaft 331. A transmission assembly 50 is provided between the rotating rod 37 and the third rod 33. Under the support of the transmission assembly 50, the rotating rod 37 can extend out of the second notch. The top of the fourth rod 34 is hingedly connected to the middle of the third rod 33 through the fifth shaft rod 341, and the bottom end is sleeved on the second shaft rod 312 of the second rod 32 at the top; a driving shaft 351 located below the second shaft rod 312 at the bottom is also slidably provided in the slide groove 22, and the driving assembly 40 is drivingly connected to the driving shaft 351 to drive the driving shaft 351 along the slide groove 22 The top end of the fifth rod 35 is hingedly connected to the bottom end of the second rod 32 at the bottom end through the sixth shaft 352, and the bottom end is sleeved on the driving shaft 351. The top end of the sixth rod 36 is sleeved on the second shaft 312 of the first rod 31 at the bottom end, and the bottom end is hingedly connected to the middle part of the fifth rod 35 through the seventh shaft 361. Several panels 10 are respectively installed on the side of the rotating rod 37 away from the third rod 33, the end of the fourth rod 34 away from the third rod 33, the end of the first rod 31 provided with the second shaft 312, and the end of the fifth rod 35 provided with the driving shaft 351, and the panel 10 is located on the outside of the second slot. Referring to Figures 3 and 4, further, the transmission assembly 50 includes a transmission shaft 51 slidably arranged in the slide groove 22 and located between the fixed shaft 331 and the topmost second shaft rod 312, a first transmission rod 52 having one end sleeved on the transmission shaft 51 and the other end hingedly connected to the third rod 33 through a first hinge shaft, and a second transmission rod 53 having one end sleeved on the transmission shaft 51 and the other end hingedly connected to the rotating rod 37 through a second hinge shaft. Referring to Figures 3 and 4, further, the door structure also includes a mounting rod 38 arranged at an end of the fourth rod 34 away from the third rod 33, and the panel 10 corresponding to the fourth rod 34 is arranged on a side of the mounting rod 38 away from the first slot; when the telescopic assembly 30 is folded upward, the mounting rod 38 flips over to an inclined state and extends out of the second slot; when the telescopic assembly 30 is unfolded downward, the mounting rod 38 rotates to a vertical state and the side of the mounting rod 38 away from the first slot extends out of the second slot. Referring to Figures 3 and 4, further, the door structure also includes a connecting rod 39 provided at one end of the first rod 31 with a second shaft rod 312, and the panel 10 corresponding to the first rod 31 is installed on the side of the connecting rod 39 away from the first slot; when the telescopic assembly 30 is folded upward, the connecting rod 39 flips over to an inclined state and the side of the connecting rod 39 away from the first slot extends out of the second slot; when the telescopic assembly 30 is unfolded downward, the connecting rod 39 rotates to a vertical state and the side of the connecting rod 39 away from the first slot extends out of the second slot. Referring to Figures 3 and 4, further, the door structure also includes a fixing rod provided at one end of the fifth rod 35 having the driving shaft 351, and the panel 10 corresponding to the fifth rod 35 is installed on the side of the fixing rod away from the first slot; when the telescopic assembly 30 is folded upward, the fixing rod is flipped to an inclined state and the side of the fixing rod away from the first slot extends out of the second slot; when the telescopic assembly 30 is unfolded downward, the fixing rod is rotated to a vertical state and the side of the fixing rod away from the first slot extends out of the second slot. Referring to Figure 1, in a specific embodiment, the driving shaft 351 partially protrudes outside the telescopic assembly 30 to form a protruding portion 3511; the door structure also includes a first gear 41 corresponding to the protruding portion 3511 and arranged at the top of the through-slot 21, a second gear 42 arranged at the bottom of the through-slot 21 and below the protruding portion 3511, a motor 43 arranged at the bottom of the mounting column 20 and drivingly connected to the second gear 42, and a chain 44 wound around the first gear 41 and the second gear 42; the installation height of the first gear 41 is higher than the installation height of the telescopic assembly 30; the chain 44 is fixedly connected to the protruding portion 3511, and when the chain 44 rotates, the chain 44 drives the driving shaft 351 to move along the slide groove 22. Furthermore, the door structure also includes a groove corresponding to the slide groove 22 and arranged on the other side wall of the through groove 21, the setting direction of the groove is consistent with the setting direction of the slide groove 22, and the protrusion 3511 is slidably arranged in the groove. Referring to FIG. 1 , further, the door structure also includes a fixing member installed and connected between the protruding portion 3511 and the chain 44 . Referring to Fig. 1 and Fig. 2, in a specific embodiment, the door structure further comprises a support column 60 installed on the other side wall of the door opening along the height direction of the door opening and a crossbeam 70 installed between the top of the support column 60 and the top of the mounting column 20, and the crossbeam 70 is fixed on the top wall of the door opening. The mounting column 20, the support column 60 and the crossbeam 70 form a door frame support structure to prevent the entire door structure from being deformed during use. Referring to Figures 1 and 2, preferably, the door structure also includes a control switch 80 disposed on the mounting column 20 and control-connected to the drive assembly 40. The rotation direction of the motor 43 is controlled by the control switch 80 to control the forward and reverse rotation of the chain 44, thereby controlling the up and down movement of the drive shaft 351. The working process of the foldable door structure of the present invention is described below. Referring to FIG. 4 , by controlling the switch 80 to start the door opening mechanism, the motor 43 drives the second gear 42 to rotate, thereby driving the chain 44 to rotate, so that the fixing member on the chain 44 moves upward with the driving shaft 351, and the driving shaft 351 moves up to the second shaft rod 312 at the bottom and pushes the second shaft rod 312 to continue to move upward, so that a plurality of second shaft rods 312 move upward, and the second shaft rod 312 at the top moves up to the transmission shaft 51 and pushes the transmission shaft 51 to move upward, and the driving shaft 351, The second shaft 312 and the transmission shaft 51 move upward and simultaneously drive the first rod 31, the second rod 32, the third rod 33, the fourth rod 34, the fifth rod 35 and the sixth rod 36 to rotate and move upward, so that the telescopic assembly 30 is folded upward, and drives the several panels 10 to move upward to the top of the door opening, so that the mounting rod 38 and the connecting rod 39 are flipped and tilted, and then the several panels 10 are tilted to open the door opening, thereby realizing the folding of the several panels 10. Referring to FIG3 , by controlling the switch 80 to close and open the door structure, the motor 43 drives the second gear 42 to rotate, thereby driving the chain 44 to rotate, so that the fixing member on the chain 44 moves downward with the driving shaft 351, and the driving shaft 351 drives the second shaft rod 312 and the transmission shaft 51 to move downward together, so that the first rod 31, the second rod 32, the third rod 33, the fourth rod 34, the fifth rod 35 and the sixth rod 36 rotate and move downward, so that the telescopic assembly 30 is unfolded downward, and drives a plurality of the panels 10 to move downward, so that the mounting rod 38 and the connecting rod 39 are flipped to a vertical state, so that a plurality of the panels 10 are flipped to a vertical state, and two adjacent panels 10 are abutted against each other to block the door opening, thereby realizing the unfolding of a plurality of the panels 10. The present invention also provides a method for using the foldable door structure as described above, comprising the following steps: When the door structure is opened, the driving assembly 40 is started, so that the driving assembly 40 drives the telescopic assembly 30 to fold upward, thereby driving the plurality of panels 10 to move upward to the top of the door opening, and causing the panels 10 to flip and tilt to open the door opening, thereby achieving folding of the plurality of panels 10; When closing the door structure, the driving assembly 40 is started so that the driving assembly 40 drives the telescopic assembly 30 to expand downward, thereby driving the plurality of panels 10 to move downward and flip to a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby achieving the expansion of the plurality of panels 10. By adopting the above technical solution, the present invention has the following beneficial effects: Compared with the prior art, the present invention saves space and is convenient to open, and can be applied to sites with narrow opening space. It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical contents.

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