CN113898283B

CN113898283B - Arc door

Info

Publication number: CN113898283B
Application number: CN202111226751.1A
Authority: CN
Inventors: 李新成
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2023-08-18
Anticipated expiration: 2041-10-21
Also published as: CN113898283A

Abstract

The application provides an arc door, and relates to the technical field of arc doors. The arc door comprises an arc door frame, a flexible film, a scroll mechanism and two tension guide mechanisms, wherein the arc door frame comprises an upper guide rail, a lower guide rail and a vertical rod, two ends of the vertical rod are respectively connected with one sides of the upper guide rail and the lower guide rail, two ends of the scroll mechanism are respectively connected with the other sides of the upper guide rail and the lower guide rail, the two tension guide mechanisms are symmetrically arranged at two ends of the scroll mechanism, and the two tension guide mechanisms are respectively connected with the upper guide rail and the lower guide rail in a rotating manner; the flexible film is wound on the reel mechanism, the upper side and the lower side of the flexible film are respectively connected with the upper guide rail and the lower guide rail in a sliding way, and the free ends of the two tension guide mechanisms are respectively connected with the movable side of the flexible film along the inner parts of the upper guide rail and the lower guide rail. The pulling force on the flexible film is shared by the two pulling force guiding mechanisms, so that the flexible film can easily walk through the bending part, collapse is avoided, and the structure of the arc-shaped door is stably formed.

Description

Arc door

Technical Field

The application relates to the technical field of arc doors, in particular to an arc door.

Background

With the increasing attention of people to house space utilization, various doors with space saving and attractive appearance are generated. The common plane door can not meet the design requirement in the appearance and the practical use, and the arc door structure is adopted at present, and the following problems exist when the flexible film is adopted as the door body of the existing arc door structure: the film is subjected to direct stretching force during stretching and is increasingly large, resulting in collapse at the bent portions, thereby disabling the formation of the curved door structure.

Disclosure of Invention

The application aims to provide an arc door which can prevent a film from collapsing at a bent part, so that the structure of the arc door can realize stable molding, and the inside of an arc door frame can be completely opened and closed through bending and stretching of a flexible film.

Embodiments of the present application are implemented as follows:

the embodiment of the application provides an arc door which comprises an arc door frame, a flexible film, a reel mechanism and two tension guide mechanisms, wherein the arc door frame comprises an upper guide rail, a lower guide rail and a vertical rod, two ends of the vertical rod are respectively connected with one sides of the upper guide rail and the lower guide rail, two ends of the reel mechanism are respectively connected with the other sides of the upper guide rail and the lower guide rail, the two tension guide mechanisms are symmetrically arranged at two ends of the reel mechanism, and the two tension guide mechanisms are respectively connected with the upper guide rail and the lower guide rail in a rotating way; the flexible film is wound on the reel mechanism, the upper side and the lower side of the flexible film are respectively connected with the upper guide rail and the lower guide rail in a sliding way, and the free ends of the two tension guiding mechanisms are respectively connected with the movable side of the flexible film along the inner parts of the upper guide rail and the lower guide rail.

In some embodiments of the present application, the tension guiding mechanism includes a spool, a flexible wire wound around the spool, a movable end of the flexible wire connected to the slide, sliding grooves formed in the upper rail and the lower rail, respectively, and the slide extending into the sliding grooves, the slide being slidable along the sliding grooves, the two sliding blocks being connected to the movable side of the flexible film along the sliding grooves of the upper rail and the lower rail, respectively, the spool being connected to the reel mechanism, and the two spools being connected to the upper rail and the lower rail, respectively, in a rotating manner.

In some embodiments of the application, the movable side of the flexible membrane is provided with a membrane, the membrane being connected to the slider.

In some embodiments of the application, a handle is provided on the membrane.

In some embodiments of the present application, the winding shaft mechanism includes a spring support, a torsion spring, and a winding shaft, wherein one end of the spring support is fixedly connected to the upper rail, the torsion spring is sleeved on the spring support, the winding shaft near the upper rail is sleeved on the spring support, one end of the torsion spring is connected to the winding shaft near the upper rail, the winding shaft is sleeved on the torsion spring, two ends of the winding shaft are respectively connected to the two winding shafts, and the flexible film is wound on the winding shaft.

In some embodiments of the present application, an end of the torsion spring away from the spool is connected to an annular piece, and the annular piece is sleeved on the spring bracket.

In some embodiments of the application, the inner arc side of the lower guide rail is provided with a water bar.

In some embodiments of the present application, the arc door frame further includes a C-shaped tub and a C-shaped tub cover, both ends of the C-shaped tub cover are connected to the upper and lower rails, respectively, the C-shaped tub is covered on the C-shaped tub cover and forms a cavity, the reel mechanism and the two tension guide mechanisms are both located in the cavity, an opening is formed in the C-shaped tub, and the movable side of the flexible film passes through the opening and slides along the upper and lower rails.

In some embodiments of the application, a wiper strip for wiping off water droplets on the flexible film is provided at the opening of the C-shaped barrel.

In some embodiments of the present application, a buckle is disposed on the vertical rod.

Compared with the prior art, the embodiment of the application has at least the following advantages or beneficial effects:

the application provides an arc door, which comprises an arc door frame, a flexible film, a reel mechanism and two tension guide mechanisms, wherein the arc door frame comprises an upper guide rail, a lower guide rail and a vertical rod, two ends of the vertical rod are respectively connected with one sides of the upper guide rail and the lower guide rail, two ends of the reel mechanism are respectively connected with the other sides of the upper guide rail and the lower guide rail, the two tension guide mechanisms are symmetrically arranged at two ends of the reel mechanism, and the two tension guide mechanisms are respectively connected with the upper guide rail and the lower guide rail in a rotating way; the flexible film is wound on the reel mechanism, the upper side and the lower side of the flexible film are respectively connected with the upper guide rail and the lower guide rail in a sliding way, and the free ends of the two tension guiding mechanisms are respectively connected with the movable side of the flexible film along the inner parts of the upper guide rail and the lower guide rail. In this embodiment, the upper guide rail and the lower guide rail are made of aluminum alloy sections, the section is C-shaped, and the periphery of the arc-shaped door and window is formed after bending and forming. The tension guiding mechanism is used for bearing transverse tension when the flexible film passes through the bending parts of the upper guide rail and the lower guide rail. When the door is required to be closed, a user pulls the movable side of the flexible film to enable the flexible film to slide along the upper guide rail and the lower guide rail, and when the flexible film passes through the bending parts of the upper guide rail and the lower guide rail, the tensile force on the flexible film can be born by the two tensile force guide mechanisms, so that the flexible film is in a loose state, the flexible film can easily walk through the bending part, collapse is avoided, the structure of the arc door is stably formed, and the arc door frame can be completely opened and closed through bending and stretching of the flexible film.

Therefore, the application provides the arc-shaped door, which can prevent the film from collapsing at the bent part, so that the structure of the arc-shaped door can realize stable molding, and the inside of the arc-shaped door frame can be completely opened and closed through bending and stretching of the flexible film.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an arcuate door according to an embodiment of the present application;

FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of the connection inside the reel mechanism according to the embodiment of the present application;

FIG. 4 is an enlarged view of the portion B of FIG. 3 in accordance with an embodiment of the present application;

FIG. 5 is a schematic diagram showing the connection of the tension guiding mechanism when the arc door is closed in the embodiment of the application;

FIG. 6 is an enlarged view of FIG. 5C in accordance with an embodiment of the present application;

FIG. 7 is an enlarged view of the portion D of FIG. 5 in accordance with an embodiment of the present application;

FIG. 8 is a schematic diagram illustrating connection of a tension guiding mechanism when an arc door is opened in an embodiment of the present application;

FIG. 9 is an enlarged view of E in FIG. 8 in accordance with an embodiment of the present application;

FIG. 10 is a schematic view of the outer shape of an arcuate door in accordance with an embodiment of the present application;

FIG. 11 is an enlarged view of F in FIG. 10 in accordance with an embodiment of the present application;

FIG. 12 is a schematic view of the connection of the annular sheets in an embodiment of the present application.

Icon: 100-arc door frames; 110-upper guide rail; 120-lower guide rail; 130-vertical bars; 140-sliding grooves; 200-flexible film; 300-reel mechanism; 310-spring support; 320-torsion spring; 330-ring segments; 340-a reel; 400-a tension guiding mechanism; 410-winding shaft; 420-a flexible wire; 430-a slider; 500-sandwiching a membrane; 600-handle; 700-water retaining strips; 800-locking; 910-C type barrels; 920-C type barrel cover plate; 930-opening; 940-end cap.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present application, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present application is conventionally put when used, it is merely for convenience of describing the present application and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, "plurality" means at least 2.

In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Referring to fig. 1 and 2, fig. 1 is a schematic view of an arc door according to an embodiment of the application, and fig. 2 is an enlarged view of a portion a in fig. 1 according to an embodiment of the application.

The present embodiment provides an arc door, which includes an arc door frame 100, a flexible film 200, a reel mechanism 300, and two tension guide mechanisms 400, wherein the arc door frame 100 includes an upper rail 110, a lower rail 120, and a vertical bar 130, two ends of the vertical bar 130 are respectively connected to one sides of the upper rail 110 and the lower rail 120, two ends of the reel mechanism 300 are respectively connected to the other sides of the upper rail 110 and the lower rail 120, two tension guide mechanisms 400 are symmetrically disposed at two ends of the reel mechanism 300, and two tension guide mechanisms 400 are respectively rotatably connected to the upper rail 110 and the lower rail 120; the flexible film 200 is wound around the winding shaft mechanism 300, the upper and lower sides of the flexible film 200 are slidably connected to the upper rail 110 and the lower rail 120, and the free ends of the two tension guide mechanisms 400 are movably connected to the flexible film 200 along the inside of the upper rail 110 and the lower rail 120, respectively. In this embodiment, the upper rail 110 and the lower rail 120 are made of aluminum alloy, have a C-shaped cross section, and are bent to form the periphery of the arc door and window. The tension guide 400 is used to bear the transverse tension of the flexible film 200 passing through the bent portions of the upper and lower rails 110 and 120. When the door needs to be closed, a user pulls the movable side of the flexible film 200 to enable the flexible film 200 to slide along the upper guide rail 110 and the lower guide rail 120, and when the flexible film passes through the bending positions of the upper guide rail 110 and the lower guide rail 120, the tensile force on the flexible film 200 can be born by the two tensile force guide mechanisms 400, so that the flexible film 200 is in a loose state, the flexible film 200 can easily walk over the bending part, collapse is avoided, the structure of the arc door is stably formed, and the arc door frame 100 can be completely opened and closed through bending and stretching of the flexible film 200.

Example 2

Referring to fig. 5-9, fig. 5 is a schematic diagram illustrating connection of the tension guiding mechanism 400 when the arc door is closed in the embodiment of the application, fig. 6 is an enlarged view of the position C in fig. 5, fig. 7 is an enlarged view of the position D in fig. 5 in the embodiment of the application, fig. 8 is a schematic diagram illustrating connection of the tension guiding mechanism 400 when the arc door is opened in the embodiment of the application, and fig. 9 is an enlarged view of the position E in fig. 8 in the embodiment of the application.

The present embodiment provides an arc door substantially identical to that of embodiment 1, the main difference being that: the tension guide mechanism 400 includes a spool 410, a flexible wire 420, and a slider 430, the flexible wire 420 is wound around the spool 410, a movable end of the flexible wire 420 is connected to the slider 430, the upper rail 110 and the lower rail 120 are provided with a slide groove 140, the slider 430 is inserted into the slide groove 140, the slider 430 is slidable along the slide groove 140, the two sliders 430 are connected to the movable side of the flexible film 200 along the slide grooves 140 of the upper rail 110 and the lower rail 120, the spool 410 is connected to the reel mechanism 300, and the two spools 410 are rotatably connected to the upper rail 110 and the lower rail 120, respectively. In this embodiment, the flexible wires 420 are flexible wires 420 without elasticity, and the flexible wires 420 are synchronous with the door closing and bending of the flexible film 200 and always lead the length determined by the flexible film 200, so that the tension is always kept on the upper and lower flexible wires 420, when the user pulls the movable side of the flexible film 200, the upper and lower sliders 430 connected to the movable side of the flexible film 200 slide along the sliding grooves 140, and further drive the flexible wires 420 to move synchronously with the flexible film 200, thereby removing the tensile tension of the flexible film 200 during the door closing process, thereby ensuring that the flexible film 200 does not collapse and ensuring that the flexible film 200 smoothly passes through the bending portion.

Example 3

Referring to fig. 10, fig. 10 is a schematic view of an arc door according to an embodiment of the application.

The present embodiment provides an arc door substantially identical to that of embodiment 2, and the main difference is that: a nip film 500 is provided on the movable side of the flexible film 200, and the nip film 500 is connected to the slider 430. In this embodiment, the material of the membrane 500 is an aluminum alloy section, and is composed of an inner layer and an outer layer, and the flexible membrane 200 is clamped after being placed in the middle and fixed by screws. The upper and lower ends of the clip film 500 are respectively connected with the sliding blocks 430 in the sliding grooves 140 of the upper and lower rails 110, 120, and the clip film 500 provides rigidity to the flexible film 200 so that it can be pulled under tension and close the arc-shaped door. When the user pulls the flexible film 200 to move along the upper and lower rails 120 in the closing direction, the sliders 430 at the upper and lower ends of the membrane 500 slide along the sliding grooves 140 of the upper and lower rails 120, so that the membrane 500 runs smoothly and can be kept parallel to the vertical rod 130 and the reel mechanism 300 all the time during running.

Example 4

Referring to fig. 10, fig. 10 is a schematic view of an arc door according to an embodiment of the application

The present embodiment provides an arc door substantially identical to that of embodiment 3, the main difference being that: the grip 600 is provided on the clip film 500. In this embodiment, the handle 600 is made of plastic, and the handle is fixed to the middle portion of the outer side of the clip film 500, so that the user can pull the flexible film 200 by pulling the handle, thereby facilitating the user to open and close the door.

Example 5

Referring to fig. 3-4, fig. 3 is a schematic diagram illustrating connection of the interior of the reel mechanism 300 according to an embodiment of the present application, and fig. 4 is an enlarged view of a portion B in fig. 3 according to an embodiment of the present application.

The present embodiment provides an arc door substantially identical to that of embodiment 2, and the main difference is that: the winding shaft mechanism 300 includes a spring support 310, a torsion spring 320, and a winding shaft 340, one end of the spring support 310 is fixedly connected with the upper rail 110, the torsion spring 320 is sleeved on the spring support 310, the winding shaft 410 near the upper rail 110 is sleeved on the spring support 310, one end of the torsion spring 320 is connected with the winding shaft 410 near the upper rail 110, the winding shaft 340 is sleeved on the torsion spring 320, both ends of the winding shaft 340 are respectively connected with the two winding shafts 410, and the flexible film 200 is wound on the winding shaft 340. In the present embodiment, the torsion spring 320 is in a pre-tensioned state when the arc-shaped door is in an initial position, that is, a door-open position. The preload of the torsion spring 320 can hold the flexible membrane 200 against the reel mechanism 300 described above. In the closing process of the door, the flexible film 200 is pulled by the pulling force to be unfolded and drives the winding shaft 410 to rotate, so that the torsion spring 320 continuously obtains the compression force, the retraction force of the torsion spring 320 is continuously increased, when the arc door is completely closed, the torsion spring 320 is in the maximum deformation state, and when the arc door is opened, the flexible film 200 can be automatically recovered along the upper guide rail 120 and the lower guide rail under the action of the retraction example of the torsion spring 320 until the arc door is completely opened, and the initial state is restored. This process may be a fully automated process or it may be a manual intervention on the rate of retraction. The door can be automatically opened by the retractive force of the torsion spring 320 in the door opening process by arranging the torsion spring 320, so that the door is convenient to use. During opening and retraction, there is additional resistance to retraction as it passes over the curved portion, which resistance may even make the automatic retraction process more gradual.

Example 6

Referring to fig. 12, fig. 12 is a schematic diagram illustrating connection of the annular sheet 330 according to an embodiment of the application.

This embodiment provides an arc door which is substantially identical to that of embodiment 5, and differs mainly in that: an end of the torsion spring 320 away from the spool 410 is connected with a ring-shaped piece 330, and the ring-shaped piece 330 is sleeved on the spring bracket 310. In this embodiment, the annular piece 330 is fixed on the spring support 310, so that one end of the torsion spring 320 can be blocked during the deformation process of the torsion spring 320, thereby preventing the torsion spring 320 from shaking, and preventing the torsion spring 320 from generating noise due to too large rotation time gap.

Example 7

Referring to fig. 3, fig. 3 is a schematic diagram illustrating connection of the reel mechanism 300 according to an embodiment of the application.

The present embodiment provides an arc door substantially identical to that of embodiment 1, the main difference being that: the inner arc side of the lower rail 120 is provided with a water bar 700. In this embodiment, the water bar 700 is disposed at a lower side of the lower rail 120 to support the lower rail 120 and reduce a gap between the lower rail 120 and the ground, thereby preventing the liquid inside from splashing. While the water on the flexible film 200 may enter the inside through the gaps on the water bar 700.

Example 8

Referring to fig. 10-11, fig. 10 is a schematic view of an arc door according to an embodiment of the application, and fig. 11 is an enlarged view of a portion F in fig. 10 according to an embodiment of the application.

The present embodiment provides an arc door substantially identical to that of embodiment 1, the main difference being that: the arc door frame 100 further includes a C-shaped tub 910 and a C-shaped tub cover 920, both ends of the C-shaped tub cover 920 are respectively connected with the upper rail 110 and the lower rail 120, the C-shaped tub 910 is covered on the C-shaped tub cover 920 and forms a cavity, the reel mechanism 300 and the two tension guide mechanisms 400 are both positioned in the cavity, an opening 930 is formed in the C-shaped tub 910, and the movable side of the flexible film 200 passes through the opening 930 and slides along the upper rail 110 and the lower rail 120. In this embodiment, the C-shaped barrel 910 and the C-shaped barrel cover 920 are made of aluminum alloy, and the C-shaped barrel cover 920 is matched with the C-shaped barrel 910 to cover the suspended side of the C-shaped barrel 910, thereby forming a cavity. In this embodiment, plastic end caps 940 are disposed at the upper and lower ends of the cavity, and the upper and lower ends are fixed to the C-shaped barrel 910 via the plastic end caps 940, so that the spool mechanism 300 and the two tension guide mechanisms 400 are both located in the cavity by the C-shaped barrel 910, thereby avoiding the spool mechanism 300 and the two tension guide mechanisms 400 from being damaged, and simultaneously playing a role in preventing water and dust.

Example 9

Referring to fig. 11, fig. 11 is an enlarged view of a portion F in fig. 10 according to an embodiment of the present application.

This embodiment provides an arc door which is substantially identical to that of embodiment 8, and differs mainly in that: a wiper strip for wiping off the water droplets on the flexible film 200 is provided at the opening 930 of the C-shaped tub 910. In this embodiment, the wiper strip is embedded in the C-shaped tub cover 920, so that the water drops on the flexible film 200 can be completely scraped to prevent water from entering the C-shaped tub 910. The scraped water may flow into the inside through the gap on the water bar 700 at the bottom of the lower rail 120 after collecting.

Example 10

Fig. 6 is an enlarged view of C in fig. 5 in an embodiment of the present application.

The present embodiment provides an arc door substantially identical to that of embodiment 4, the main difference being that: the vertical rod 130 is provided with a buckle. In this embodiment, the above-mentioned buckle is used for buckling the above-mentioned handle 600, when needing to open door and window, unclamp the buckle on the handle 600 from leaning on the wall frame, release the buckle through promoting to make things convenient for the user to open and close the arc door.

The flexible film 200 is made of PET, has a specific thickness and moderate rigidity, and is mold-proof and antibacterial. The transparency and pattern of the flexible film 200 described above may also be adjusted according to user requirements and preferences.

In summary, an embodiment of the present application provides an arc door, including an arc door frame 100, a flexible film 200, a spool mechanism 300, and two tension guide mechanisms 400, wherein the arc door frame 100 includes an upper rail 110, a lower rail 120, and a vertical bar 130, two ends of the vertical bar 130 are respectively connected to one sides of the upper rail 110 and the lower rail 120, two ends of the spool mechanism 300 are respectively connected to the other sides of the upper rail 110 and the lower rail 120, two tension guide mechanisms 400 are symmetrically disposed at two ends of the spool mechanism 300, and two tension guide mechanisms 400 are respectively rotatably connected to the upper rail 110 and the lower rail 120; the flexible film 200 is wound around the winding shaft mechanism 300, the upper and lower sides of the flexible film 200 are slidably connected to the upper rail 110 and the lower rail 120, and the free ends of the two tension guide mechanisms 400 are movably connected to the flexible film 200 along the inside of the upper rail 110 and the lower rail 120, respectively. In this embodiment, the upper rail 110 and the lower rail 120 are made of aluminum alloy, have a C-shaped cross section, and are bent to form the periphery of the arc door and window. The tension guide 400 is used to bear the transverse tension of the flexible film 200 passing through the bent portions of the upper and lower rails 110 and 120. When the door needs to be closed, a user pulls the movable side of the flexible film 200 to enable the flexible film 200 to slide along the upper guide rail 110 and the lower guide rail 120, and when the flexible film passes through the bending positions of the upper guide rail 110 and the lower guide rail 120, the tensile force on the flexible film 200 can be born by the two tensile force guide mechanisms 400, so that the flexible film 200 is in a loose state, the flexible film 200 can easily walk over the bending part, collapse is avoided, the structure of the arc door is stably formed, and the arc door frame 100 can be completely opened and closed through bending and stretching of the flexible film 200.

The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The arc door is characterized by comprising an arc door frame, a flexible film, a scroll mechanism and two tension guide mechanisms, wherein the arc door frame comprises an upper guide rail, a lower guide rail and a vertical rod, two ends of the vertical rod are respectively connected with one sides of the upper guide rail and the lower guide rail, two ends of the scroll mechanism are respectively connected with the other sides of the upper guide rail and the lower guide rail, the two tension guide mechanisms are symmetrically arranged at two ends of the scroll mechanism, and the two tension guide mechanisms are respectively connected with the upper guide rail and the lower guide rail in a rotating manner; the flexible film is wound on the reel mechanism, the upper side and the lower side of the flexible film are respectively connected with the upper guide rail and the lower guide rail in a sliding manner, and the free ends of the two tension guide mechanisms are respectively connected with the movable side of the flexible film along the inner parts of the upper guide rail and the lower guide rail;

the tension guiding mechanism comprises a winding shaft, a flexible wire and sliding blocks, wherein the flexible wire is wound on the winding shaft, the movable end of the flexible wire is connected with the sliding blocks, sliding grooves are respectively formed in the upper guide rail and the lower guide rail, the sliding blocks extend into the sliding grooves, the sliding blocks can slide along the sliding grooves, the two sliding blocks are respectively connected with the movable side of the flexible film along the sliding grooves of the upper guide rail and the lower guide rail, the winding shaft is connected with the winding shaft mechanism, and the two winding shafts are respectively connected with the upper guide rail and the lower guide rail in a rotating manner;

the winding shaft mechanism comprises a spring support, a torsion spring and a winding shaft, one end of the spring support is fixedly connected with the upper guide rail, the torsion spring is sleeved on the spring support, the winding shaft close to the upper guide rail is sleeved on the spring support, one end of the torsion spring is connected with the winding shaft close to the upper guide rail, the winding shaft is sleeved on the torsion spring, two ends of the winding shaft are respectively connected with the two winding shafts, and the flexible film is wound on the winding shaft;

the flexible wires are flexible wires without elasticity, and are used for being synchronous with the closing bending of the flexible film and always leading the length determined by the flexible film, so that the tension is always kept on the upper flexible wire and the lower flexible wire.

2. The arcuate door as set forth in claim 1 wherein the flexible membrane is provided with a clamp membrane on the active side, said clamp membrane being connected to said slider.

3. The arcuate door as set forth in claim 2 wherein said diaphragm is provided with a handle.

4. The arc door of claim 1 wherein an end of the torsion spring remote from the spool is connected with an annular tab that is sleeved on the spring bracket.

5. The arcuate door as set forth in claim 1 wherein the inner arcuate side of said lower track is provided with a water deflector.

6. The arc door of claim 1 wherein the arc door frame further comprises a C-shaped barrel and a C-shaped barrel cover plate, wherein two ends of the C-shaped barrel cover plate are respectively connected with the upper guide rail and the lower guide rail, the C-shaped barrel cover is arranged on the C-shaped barrel cover plate and forms a cavity, the reel mechanism and the two tension guide mechanisms are both positioned in the cavity, an opening is formed in the C-shaped barrel, and the movable side of the flexible film passes through the opening and slides along the upper guide rail and the lower guide rail.

7. The arched door of claim 6 wherein a wiper strip is disposed at the opening in the C-shaped tub for wiping off water droplets on the flexible membrane.

8. The arc door of claim 1 wherein the vertical bar is provided with a catch.