CN218844118U

CN218844118U - Foldable door structure

Info

Publication number: CN218844118U
Application number: CN202222491031.4U
Authority: CN
Inventors: 王全顺; 史育兵; 张志威; 刘川; 李洋; 洪子豪; 刘倩; 代东东; 赵子玉
Original assignee: Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: Tianjin Construction Engineering Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-11
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to a folded cascade door structure, include: the mounting column is 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 driving component is arranged on the mounting column and is in driving connection with the telescopic component, and the telescopic component is driven to expand and fold by the driving component; a plurality of panels mounted at intervals on the telescoping assembly. When flexible subassembly upwards folded up, flexible subassembly drives a plurality of panels rebound to the top of door opening to make the panel upset be the slope form in order to open the door opening, thereby realize the folding of a plurality of panel, when flexible subassembly launches downwards, flexible subassembly drives a plurality of panels rebound and upset and is vertical state, makes two adjacent panels support to lean on with the shutoff door opening mutually, thereby realizes the expansion of a plurality of panel. Because a plurality of panels are located at the top of the door opening after being folded, the folding door can not occupy the space in the building behind the door opening, and is suitable for the building with narrow space.

Description

Foldable door structure

Technical Field

The utility model relates to a door technical field refers in particular to a folded cascade door structure.

Background

Temporary houses such as job site storehouse, closed rubbish station are mainly set up by enclosing the fender, and its door often is for controlling the vertical hinged door of run-to-run, when opening the door, can occupy great space behind the door, and the thing can not be put to the door rear, otherwise can lead to the door can't open completely, is not suitable for the narrow and small building in space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a folded cascade door structure to solve the problem that the vertical hinged door of the current left and right sides run-from-edge is not applicable to the narrow and small building in space.

In order to achieve the above object, the utility model provides a folded cascade door structure installs in building structure's door opening department, door structure includes:

the mounting column is mounted on one side wall of the door opening along the height direction of the door opening;

the telescopic component is arranged on the mounting column and can be unfolded downwards and folded upwards along the height direction of the mounting column;

the driving component is arranged on the mounting column and is in driving connection with the telescopic component, and the telescopic component is driven to expand and fold by the driving component; and

the panel folding device comprises a plurality of panels arranged on a telescopic assembly at intervals, wherein when the telescopic assembly is folded upwards, the telescopic assembly drives the panels to move upwards to the top of a door opening, the panels are turned to be inclined to open the door opening, and therefore the panels are folded.

The utility model discloses set up the erection column at door opening a lateral wall, install flexible subassembly and drive assembly on the mount pad, through the flexible subassembly of drive assembly drive launch downwards along the direction of height of erection column, flexible subassembly drives a plurality of panels downstream and the upset is vertical state, makes adjacent two panels support mutually to lean on with the shutoff door opening to realize the expansion of a plurality of panel. When upwards folding up along the direction of height of erection column through the flexible subassembly of drive assembly drive, flexible subassembly drives a plurality of panels rebound to the top of door opening to make the panel upset be the slope form in order to open the door opening, thereby realize the folding of a plurality of panel, because a plurality of panels lie in the top of door opening after folding, can not occupy the space in the building of door opening rear, be applicable to the narrow and small building in space.

The utility model discloses a further improvement lies in that, still include along the direction of height of erection column locate the through groove on the erection column, locate the spout on a lateral wall of through groove, the through groove transversely runs through the mount pad and has the first notch that is located the door opening inboard and the second notch that is located the door opening outside, the direction of setting up of spout is unanimous with the direction of setting up of through groove;

the telescopic assembly part extends out of the first notch and comprises at least two first rod pieces which are arranged in parallel and at least two second rod pieces, third rod pieces, fourth rod pieces, fifth rod pieces and sixth rod pieces which are arranged in parallel, the middle part of each first rod piece is hinged with the middle part of the corresponding second rod piece through a first shaft rod, the bottom end of the first rod piece positioned above the two parallel first rod pieces is hinged and connected with the top end of the second rod piece positioned on the first rod piece positioned below through a second shaft rod, the bottom end of the second rod piece positioned on the first rod piece positioned above is hinged and connected with the top end of the first rod piece positioned below through a third shaft rod, and the second shaft rod is slidably arranged in the chute;

a fixed shaft with a part extending out of the sliding chute is fixedly arranged in the top end of the sliding chute, the top end of the third rod piece is sleeved on the part of the fixed shaft extending out of the sliding chute, the bottom end of the third rod piece is hinged to the top end of the first rod piece positioned at the topmost end through a fourth rod, a rotating rod is sleeved on the fixed shaft, a transmission assembly is arranged between the rotating rod and the third rod piece, the rotating rod can extend out of the second notch under the supporting action of the transmission assembly, the top end of the fourth rod piece is hinged to the middle part of the third rod piece through a fifth rod piece, and the bottom end of the fourth rod piece is sleeved on the second rod piece positioned at the topmost end;

a driving shaft positioned below the second shaft rod at the bottommost end is further arranged in the sliding groove in a sliding manner, the driving assembly is in driving connection with the driving shaft so as to drive the driving shaft to move along the sliding groove, the top end of the fifth rod piece is hinged to the bottom end of the second rod piece at the bottommost end through a sixth shaft rod, the bottom end of the fifth rod piece is sleeved on the driving shaft, the top end of the sixth rod piece is sleeved on the second shaft rod of the first rod piece at the bottommost end, and the bottom end of the sixth rod piece is hinged to the middle of the fifth rod piece through a seventh shaft rod;

the panels are respectively arranged on one side, far away from the third rod piece, of the rotating rod, one end, far away from the third rod piece, of the fourth rod piece, one end, provided with the second shaft rod, of the first rod piece and one end, provided with the driving shaft, of the fifth rod piece, and the panels are located on the outer side of the second notch.

The utility model discloses folded cascade door structure's further improvement lies in, drive assembly locates including sliding in the spout and be located transmission shaft, a pot head between fixed axle and the second pole of topmost are located transmission shaft and the other end through first articulated axle hinge connect in the first transmission pole and the pot head of third pole piece are located transmission shaft and the other end through second articulated axle hinge connect in the second transmission pole of dwang.

The foldable door structure of the utility model is further improved in that the foldable door structure further comprises an installation rod arranged at one end of the fourth rod far away from the third rod, and a panel corresponding to the fourth rod is arranged at one side of the installation rod far away from the first notch;

when the telescopic component is folded upwards, the mounting rod is turned to be inclined and extends out of the second notch;

when the telescopic assembly is unfolded downwards, the mounting rod rotates to be in a vertical state, and one side, away from the first notch, of the mounting rod extends out of the second notch.

The foldable door structure of the utility model is further improved in that the foldable door structure also comprises a connecting rod arranged at one end of the first rod piece, which is provided with a second rod, and a panel corresponding to the first rod piece is arranged at one side of the connecting rod, which is far away from the first notch;

when the telescopic assembly is folded upwards, the connecting rod is turned to be inclined, and one side, far away from the first notch, of the connecting rod extends out of the second notch;

when the telescopic assembly is unfolded downwards, the connecting rod rotates to be in a vertical state, and one side, far away from the first notch, of the connecting rod extends out of the second notch.

The foldable door structure of the utility model is further improved in that the driving shaft part extends to the outside of the telescopic component to form a protruding part;

the door structure further comprises a first gear arranged at the top of the through groove corresponding to the protruding part, a second gear arranged at the bottom of the through groove and positioned below the protruding part, a motor arranged at the bottom of the mounting column and in driving connection with the second gear, and a chain wound on the first gear and the second gear;

the mounting height of the first gear is higher than that of the telescopic assembly;

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

The utility model discloses folded cascade door structure's further improvement lies in, still including corresponding the spout is located run through the recess on another lateral wall of groove, the direction that sets up of recess with the spout set up the direction unanimously, protruding portion cunning is located in the recess.

The utility model discloses folded cascade door structure's further improvement lies in, still including the erection joint in protruding portion with mounting between the chain.

The utility model discloses folded cascade door structure's further improvement lies in, still including locating the edge the direction of height of door opening install in support column on another lateral wall of door opening and install in the top of support column with crossbeam between the top of erection column, the crossbeam set firmly in on the roof of door opening.

The utility model discloses folded cascade door structure's further improvement lies in, still including locating on the erection column and with drive assembly control connection's control switch.

Drawings

Fig. 1 is an elevation view of the foldable door structure of the present invention in the inner side direction 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 state diagram of the foldable door structure of the present invention when unfolded.

Fig. 4 is a state diagram of the foldable door structure of the present invention when folded.

Fig. 5 is a cross-sectional view of the through slot of the foldable door structure of the present invention.

Description of the symbols: the panel 10, the mounting post 20, the through groove 21, the sliding groove 22, the telescopic assembly 30, the first rod 31, the first shaft 311, the second shaft 312, the third shaft 313, the second rod 32, the third rod 33, the fixed shaft 331, the fourth shaft 332, the fourth rod 34, the fifth shaft 341, the fifth rod 35, the driving shaft 351, the protrusion 3511, the sixth shaft 352, the sixth rod 36, the seventh shaft 361, the rotating shaft 37, the mounting rod 38, the connecting rod 39, the driving assembly 40, the first gear 41, the second gear 42, the motor 43, the chain 44, the transmission assembly 50, the transmission shaft 51, the first transmission rod 52, the second transmission rod 53, the support post 60, the cross beam 70, and the control switch 80.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model provides a folded cascade door structure can upwards fold and launch downwards, through folding a plurality of panels in order to avoid occuping the inside space of door opening rear building in the door opening top.

The foldable door structure of the present invention will be described with reference to the accompanying drawings.

Referring to fig. 1 and 2, in the present embodiment, a foldable door structure installed at a door opening of a building structure, the door structure includes: a mounting post 20 mounted on a side wall of the door opening in a height direction of the door opening; a telescopic assembly 30 mounted on the mounting post 20, wherein the telescopic assembly 30 can be unfolded downwards and folded upwards along the height direction of the mounting post 20; a driving component 40 mounted on the mounting post 20 and in driving connection with the telescopic component 30, wherein the telescopic component 30 is driven to be unfolded and folded by the driving component 40; the panels 10 are mounted on the telescopic assembly 30 at intervals, when the telescopic assembly 30 is folded upwards, the telescopic assembly 30 drives the panels 10 to move upwards to the top of the door opening, and the panels 10 are turned to be inclined to open the door opening, so that the panels 10 are folded, when the telescopic assembly 30 is unfolded downwards, the telescopic assembly 30 drives the panels 10 to move downwards and turn to be in a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, and the panels 10 are unfolded.

Preferably, the first rod 31 and the second rod 32 are disposed in a one-to-one correspondence.

In this embodiment, the foldable door structure utilizes the driving component 40 to drive the telescopic component 30 to expand downwards and fold upwards along the height direction of the mounting post 20, and when expanding downwards, the telescopic component 30 drives the panels 10 to move downwards and turn over to be in a vertical state, so that two adjacent panels 10 abut against each other to block the door opening, thereby realizing the expansion of the panels 10. Flexible subassembly 30 can drive a plurality of panel 10 and upwards remove to the top of door opening when upwards folding up to make the panel 10 upset be the slope form in order to open the door opening, thereby realize the folding of a plurality of panel 10, can occupy great space behind the door after comparing opening in the current side-hung door of controlling the run-to-run, a plurality of panel 10 of this application is folded in the top of door opening, avoid occupying the space in the building of door opening rear, be applicable to the narrow and small building in space, save the space, it is convenient to open.

Referring to fig. 3 and 4, in a specific embodiment, the door structure further includes a through slot 21 disposed on the mounting column 20 along a height direction of the mounting column 20, and a sliding slot 22 disposed on a side wall of the through slot 21, the through slot 21 transversely penetrates through the mounting seat and has a first notch located inside the door opening and a second notch located outside the door opening, and an arrangement direction of the sliding slot 22 is identical to an arrangement 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, third rods 33, fourth rods 34, fifth rods 35 and sixth rods 36 arranged in parallel, the middle part of each first rod 31 is hinged to the middle part of the corresponding second rod 32 through a first shaft 311, the bottom end of the first rod 31 positioned above in the two parallel first rods 31 is hinged to the top end of the second rod 32 on the first rod 31 positioned below through a second shaft 312, the bottom end of the second rod 32 on the first rod 31 positioned above is hinged to the top end of the first rod 31 positioned below through a third shaft 313, and the second shaft 312 is slidably arranged in the chute 22; a fixing shaft 331 is fixedly arranged in the top end of the sliding chute 22, a part of the fixing shaft 331 extends out of the sliding chute 22, the top end of the third rod 33 is sleeved on the part of the fixing shaft 331 extending out of the sliding chute 22, the bottom end of the third rod is hinged to the top end of the first rod 31 located at the topmost end through a fourth rod 332, a rotating rod 37 is sleeved on the fixing shaft 331, a transmission assembly 50 is arranged between the rotating rod 37 and the third rod 33, the rotating rod 37 can extend out of the second notch under the supporting action of the transmission assembly 50, the top end of the fourth rod 34 is hinged to the middle part of the third rod 33 through a fifth rod 341, and the bottom end of the fourth rod 34 is sleeved on the second rod 312 of the second rod 32 located at the topmost end; a driving shaft 351 below the second shaft 312 located at the bottom end is further slidably disposed in the chute 22, the driving assembly 40 is in driving connection with the driving shaft 351 to drive the driving shaft 351 to move along the chute 22, the top end of the fifth rod 35 is hinged to the bottom end of the second rod 32 located at the bottom end through a sixth shaft 352, the bottom end of the fifth rod 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 located at the bottom end, and the bottom end of the sixth rod is hinged to the middle of the fifth rod 35 through a seventh shaft 361; a plurality of panels 10 are respectively installed on one side of the rotating rod 37 far away from the third rod 33, one end of the fourth rod 34 far away from the third rod 33, one end of the first rod 31 provided with the second rod 312, and one end of the fifth rod 35 provided with the driving shaft 351, and the panels 10 are located on the outer side of the second notch.

Referring to fig. 3 and 4, further, the transmission assembly 50 includes a transmission shaft 51 slidably disposed in the sliding groove 22 and located between the fixed shaft 331 and the topmost second shaft 312, a first transmission rod 52 having one end sleeved on the transmission shaft 51 and the other end hinged 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 hinged to the rotation rod 37 through a second hinge shaft.

Referring to fig. 3 and 4, further, the door structure further includes a mounting rod 38 disposed 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 disposed at a side of the mounting rod 38 away from the first notch; when the telescopic assembly 30 is folded upwards, the mounting rod 38 is turned to be inclined and extends out of the second notch; when the telescopic assembly 30 is unfolded downwards, the mounting rod 38 is rotated to be in a vertical state and one side of the mounting rod 38 far away from the first notch extends out of the second notch.

Referring to fig. 3 and 4, further, the door structure further includes a connecting rod 39 disposed at an end of the first rod 31 where the second shaft 312 is disposed, and the panel 10 corresponding to the first rod 31 is mounted on a side of the connecting rod 39 away from the first notch; when the telescopic assembly 30 is folded upwards, the connecting rod 39 is turned to be inclined, and one side of the connecting rod 39, which is far away from the first notch, extends out of the second notch; when the telescopic assembly 30 is unfolded downwards, the connecting rod 39 rotates to be in a vertical state, and one side of the connecting rod 39, which is far away from the first notch, extends out of the second notch.

Referring to fig. 3 and 4, further, the door structure further includes a fixing rod disposed at an end of the fifth rod 35 where the driving shaft 351 is disposed, and the panel 10 corresponding to the fifth rod 35 is mounted on a side of the fixing rod away from the first notch; when the telescopic assembly 30 is folded upwards, the fixing rod is turned to be inclined, and one side of the fixing rod, which is far away from the first notch, extends out of the second notch; when the telescopic assembly 30 is unfolded downwards, the fixing rod is rotated to be in a vertical state, and one side of the fixing rod, which is far away from the first notch, extends out of the second notch.

Referring to fig. 1, in one embodiment, the drive shaft 351 partially protrudes from the retraction assembly 30 to form a protrusion 3511; the door structure further comprises a first gear 41 arranged at the top of the through groove 21 corresponding to the protruding portion 3511, a second gear 42 arranged at the bottom of the through groove 21 and located below the protruding portion 3511, a motor 43 arranged at the bottom of the mounting post 20 and in driving connection with the second gear 42, and a chain 44 wound on the first gear 41 and the second gear 42; the installation height of the first gear 41 is higher than that 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 sliding groove 22.

Further, the door structure further includes a groove disposed on the other side wall of the through groove 21 corresponding to the sliding groove 22, the direction of the groove is the same as the direction of the sliding groove 22, and the protruding portion 3511 is slidably disposed in the groove.

Referring to fig. 1, further, the door structure further includes a fixing member installed to be connected between the protrusion 3511 and the chain 44.

Referring to fig. 1 and 2, in a specific embodiment, the door structure further includes a support pillar 60 installed on the other side wall of the door opening in the height direction of the door opening, and a cross member 70 installed between the top of the support pillar 60 and the top of the installation pillar 20, wherein the cross member 70 is fixedly installed on the top wall of the door opening. The door frame support structure is formed by the mounting seat, the support column 60 and the cross beam 70, so that the whole door structure is prevented from being deformed in the use process.

Referring to fig. 1 and 2, preferably, the door structure further includes a control switch 80 disposed on the mounting post 20 and in control connection with the driving assembly 40, and the control switch 80 controls the rotation direction of the motor 43 to control the forward rotation and the reverse rotation of the chain 44, so as to control the up-and-down movement of the driving shaft 351.

The following explains the working procedure of the foldable door structure of the present invention.

Referring to fig. 4, by controlling the switch 80 to start the door opening structure, the motor 43 drives the second gear 42 to rotate, so as to drive the chain 44 to rotate, so that the fixing member on the chain 44 carries the driving shaft 351 to move upward, the driving shaft 351 moves up to the bottommost second shaft 312 and pushes the second shaft 312 to move upward, so that the second shaft 312 moves upward, the second shaft 312 at the topmost end moves up to the transmission shaft 51 and pushes the transmission shaft 51 to move upward, the driving shaft 351, the second shaft 312 and the transmission shaft 51 move upward while driving 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 folds upward, and drives the panels 10 to move upward to the top of the door opening, so that the mounting rod 38 and the connecting rod 39 turn over to tilt, so that the panels 10 open the door opening, thereby achieving the folding of the panels 10.

Referring to fig. 3, the switch 80 is controlled to close and open the door structure, the motor 43 drives the second gear 42 to rotate, and further drives the chain 44 to rotate, so that the fixing member on the chain 44 drives the driving shaft 351 to move downward together, the driving shaft 351 drives the second shaft 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, the telescopic assembly 30 is unfolded downward, and a plurality of panels 10 are driven to move downward, so that the mounting rod 38 and the connecting rod 39 are folded to be in a vertical state, a plurality of panels 10 are folded to be in a vertical state, and two adjacent panels 10 abut against each other to close the door opening, thereby unfolding the plurality of panels 10.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

compared with the prior art, the utility model, practice thrift the space, open convenient, applicable in opening the narrow and small place in space.

It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Claims

1. A foldable door structure for installation in a door opening of a building structure, the door structure comprising:

the telescopic assembly is arranged on the mounting column and can be unfolded downwards and folded upwards along the height direction of the mounting column;

the panel folding mechanism comprises a plurality of panels arranged on a telescopic assembly at intervals, wherein when the telescopic assembly is folded upwards, the telescopic assembly drives the panels to move upwards to the top of the door opening and enables the panels to turn obliquely to open the door opening, so that the panels are folded, when the telescopic assembly is unfolded downwards, the telescopic assembly drives the panels to move downwards and turn vertically, and the panels abut against each other to block the door opening, so that the panels are unfolded.

2. The foldable door structure of claim 1, further comprising a through slot provided on the mounting post along a height direction of the mounting post, a sliding slot provided on a sidewall of the through slot, the through slot transversely penetrating the mounting post and having a first notch located inside the door opening and a second notch located outside the door opening, the sliding slot being disposed in a direction identical to a disposition direction of the through slot;

a fixed shaft with a part extending out of the chute is fixedly arranged in the top end of the chute, the top end of the third rod piece is sleeved on the part of the fixed shaft extending out of the chute, the bottom end of the third rod piece is hinged to the top end of the first rod piece positioned at the topmost end through a fourth shaft rod, a rotating rod is sleeved on the fixed shaft, a transmission assembly is arranged between the rotating rod and the third rod piece, the rotating rod can extend out of the second notch under the supporting action of the transmission assembly, the top end of the fourth rod piece is hinged to the middle part of the third rod piece through a fifth shaft rod, and the bottom end of the fourth rod piece is sleeved on the second shaft rod of the second rod piece positioned at the topmost end;

the panels are respectively arranged on one side, away from the third rod piece, of the rotating rod, one end, away from the third rod piece, of the fourth rod piece, one end, provided with the second rod piece, of the first rod piece and one end, provided with the driving shaft, of the fifth rod piece, and the panels are located on the outer side of the second notch.

3. The foldable door structure as claimed in claim 2, wherein the transmission assembly comprises a transmission shaft slidably disposed in the sliding slot and located between the fixed shaft and the topmost second shaft, a first transmission rod having an end sleeved on the transmission shaft and the other end hinged to the third shaft through a first hinge shaft, and a second transmission rod having an end sleeved on the transmission shaft and the other end hinged to the transmission rod through a second hinge shaft.

4. The foldable door structure of claim 2, further comprising a mounting rod disposed at an end of said fourth rod member remote from said third rod member, wherein a corresponding panel of said fourth rod member is disposed at a side of said mounting rod remote from said first notch;

when the telescopic assembly is unfolded downwards, the mounting rod rotates to be in a vertical state, and one side, far away from the first notch, of the mounting rod extends out of the second notch.

5. The foldable door structure of claim 2, further comprising a connecting rod disposed at an end of the first rod where the second rod is disposed, wherein the panel corresponding to the first rod is mounted on a side of the connecting rod away from the first slot;

when the telescopic assembly is folded upwards, the connecting rod is turned to be inclined, and one side of the connecting rod, which is far away from the first notch, extends out of the second notch;

6. The foldable door structure of claim 2, wherein said drive shaft portion protrudes outside said retraction assembly to form a protrusion;

7. The foldable door structure of claim 6, further comprising a groove disposed on another sidewall of said through slot corresponding to said sliding slot, wherein said groove is disposed in a direction consistent with a direction in which said sliding slot is disposed, and said protrusion is slidably disposed in said groove.

8. The foldable door structure of claim 6, further comprising a fastener mounted between the protrusion and the chain.

9. The foldable door structure of claim 1, further comprising a support pillar mounted to another side wall of the door opening in a height direction of the door opening, and a cross member mounted between a top of the support pillar and a top of the mounting pillar, the cross member being fixedly mounted to a top wall of the door opening.

10. The foldable door structure of claim 1, further comprising a control switch disposed on the mounting post and in control communication with the drive assembly.