CN218234901U - Corner door structure and platform door with same - Google Patents

Abstract

The utility model discloses a turning door structure and have its platform door, include: the first door frame, the first upper cover, the second door frame, the second upper cover and the corner sealing cover. The first upper cover is connected to the first door frame in an openable manner; the second door frame is connected with the first door frame, and a corner is formed between the second door frame and the first door frame; the second upper cover can be connected to the second door frame in an opening and closing manner; the corner sealing cover is positioned at a corner and is respectively connected with the first door frame and the second door frame; the corner sealing cover is provided with a first corner surface and a second corner surface, the first corner surface is positioned on the first door frame, the outer surface of the first upper cover is connected with the first corner surface when the first upper cover is closed, the second corner surface is positioned on the second door frame, and the outer surface of the second upper cover is connected with the second corner surface when the second upper cover is closed. Therefore, the corner sealing covers are arranged at the corners, so that the corner door structure can be ensured to have good sealing performance, and meanwhile, the two upper covers are prevented from being scratched.

Description

Corner door structure and platform door with same

Technical Field

The utility model relates to a platform door field, concretely relates to turning door structure and have its platform door.

Background

The platform door is generally arranged at the edge of a platform of a subway, a railway station or a Yunba station and is used for separating the platform of the station from a train or the Yunba so as to reduce various pneumatic effects caused by vehicles passing at the station at a high speed and isolate passengers in the platform so as to ensure the safety of the passengers.

The platform door includes a mechanical structure and a circuit structure, and the circuit structure is generally disposed on an upper portion of a door frame of the platform door and is sealed by providing an upper cover on the upper portion of the door frame. In the prior art, the platform door generally directly butts two door frames at the corner, so that the upper cover of one door frame can scratch the other door frame when being opened, and the direct butt joint sealing performance of the two door frames at the corner is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a turning door structure, turning door structure can make to have certain space between the upper cover of two door frames of turning door department when guaranteeing the leakproofness, prevents to cut between two door frame upper covers and rubs.

According to the utility model discloses turning door structure, include: the first door frame, the first upper cover, the second door frame, the second upper cover and the corner sealing cover. The first upper cover is connected to the first door frame in an openable and closable manner; the second door frame is connected with the first door frame, and a corner is formed between the second door frame and the first door frame; the second upper cover is connected to the second door frame in an openable and closable manner; the corner sealing cover is positioned at the corner and is respectively connected with the first door frame and the second door frame; the corner sealing cover is provided with a first corner surface and a second corner surface, the first corner surface is positioned on the first door frame, the outer surface of the first upper cover is connected with the first corner surface when the first upper cover is closed, the second corner surface is positioned on the second door frame, and the outer surface of the second upper cover is connected with the second corner surface when the second upper cover is closed.

According to the utility model discloses turning door structure, first door frame links to each other with the second door frame, and form the turning between the two, the sealed lid of turning sets up in the corner, first corner face is located first door frame, second corner face is located the second door frame, first upper cover and second upper cover can set up on first door frame and second door frame respectively with opening and shutting, and when first upper cover lid closes on first door frame, the surface of first upper cover meets with first corner face, when second upper cover lid closes on the second door frame, the surface and the second corner face of second upper cover meet, corner between first door frame and second door frame this moment, the surface of first upper cover, first corner face, the surface of second corner face and second upper cover can form the plane that links to each other, can seal the inside circuit of turning door structure, in order to improve the security. And the corner sealing covers are arranged at the corners, so that a space can be provided between the first upper cover and the second upper cover, and the second upper cover is prevented from being scratched and rubbed when the first upper cover is opened or the first upper cover is prevented from being scratched and rubbed when the second upper cover is opened. Therefore, the corner sealing covers are arranged at the corners, so that the corner door structure can be ensured to have good sealing performance, and meanwhile, the upper covers are prevented from being scratched.

In some embodiments, the first upper cover is a flat cover, the first corner face is a flat face, and an outer surface of the first upper cover is flush with the first corner face when the first upper cover is closed; the second upper cover is a flat cover, the second corner surface is a plane, and the outer surface of the second upper cover is flush with the second corner surface when the second upper cover is closed.

In some embodiments, the corner sealing cover comprises: the first main board area, the second main board area, the first bending board area and the second bending board area. The outer side surface of the first main board area forms the first corner surface; the outer side surface of the second main board area forms the second corner surface, and the second main board area is connected to one side of the first main board area; the first bending plate area is connected to one side, far away from the second main plate area, of the first main plate area, and the first bending plate area is arranged inwards relative to the first main plate area; the second bending board area is connected to one side, far away from the first main board area, of the second main board area, and the second bending board area is arranged inwards relative to the second main board area.

Further, the corner sealing cover further comprises: the first folding lug and the second folding lug. The first folding lug is connected to one side, far away from the first main board area, of the first folding board area, and a first mounting hole is formed in the first folding lug to be connected with the first door frame; the second flange is connected to one side, far away from the second main board area, of the second bending board area, and a second mounting hole is formed in the second flange to be connected with the second door frame.

Optionally, the first main board area, the second main board area, the first bent board area, the second bent board area, the first folding lug and the second folding lug are sheet metal parts integrated together.

In some embodiments, the first main panel region, the second main panel region, the first gusset region, and the second gusset region are all vertically disposed, the corner sealing cap further comprising: the first L-shaped plate is connected to the tops of the first main plate area and the second main plate area; when the first upper cover is closed, the upper surface of the first upper cover is connected with the first L-shaped plate, and when the second upper cover is closed, the upper surface of the second upper cover is connected with the first L-shaped plate.

Still further, the corner sealing cover further comprises: the second L-shaped plate is vertically connected to the edge of the first L-shaped plate and is opposite to the first L-shaped plate, and the second L-shaped plate is attached to the first door frame and the second door frame.

In some embodiments, the corner sealing cover further comprises: the third L-shaped plate is attached to the first door frame and the second door frame, the first bending plate area and the second bending plate area are respectively connected to the third L-shaped plate in a welded mode, and a third mounting hole is formed in the third L-shaped plate to be connected with the first door frame and a fourth mounting hole to be connected with the second door frame.

In some embodiments, the corner door structure further comprises: the first door body and the second door body. The first door body is connected to the first door frame in an openable and closable manner and is positioned below the first upper cover; the second door body is connected to the second door frame in an openable and closable manner, and is located below the second upper cover.

A platform door according to another embodiment of the present invention includes the corner door structure of any one of the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a corner door structure according to an embodiment of the present invention.

Fig. 2 is a schematic perspective view of a first upper cover of a corner door structure according to an embodiment of the present invention when opened.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Fig. 4 is a schematic perspective view of a corner sealing cover of a corner door structure according to an embodiment of the present invention.

Fig. 5 is a partially enlarged view of the corner sealing cover of the corner door structure according to the embodiment of the present invention when it is installed.

Reference numerals are as follows:

corner door structure 100,

A first door frame 10,

A first upper cover 20,

A second door frame 30,

A second upper cover 40,

The corner sealing cover 50, the first main plate area 51, the first corner surface 511, the second main plate area 52, the second corner surface 521, the first bending plate area 53, the second bending plate area 54, the first tab 55, the first mounting hole 551, the second tab 56, the second mounting hole 561, the first L-shaped plate 57, the second L-shaped plate 58, the third L-shaped plate 59, the third mounting hole 591, the fourth mounting hole 592, the,

A first door body 60,

A second door body 70,

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Turning door structure 100 according to an embodiment of the present invention is described below with reference to fig. 1-5.

As shown in fig. 1-3, a corner door structure 100 according to an embodiment of the present invention includes: a first doorframe 10, a first upper cover 20, a second doorframe 30, a second upper cover 40, and a corner sealing cover 50.

The first upper cover 20 is connected to the first door frame 10 in an openable and closable manner. The second door frame 30 is connected to the first door frame 10, and a corner is formed between the second door frame 30 and the first door frame 10. The second upper cover 40 is coupled to the second door frame 30 to be opened and closed. The corner sealing covers 50 are located at the corners and are connected to the first door frame 10 and the second door frame 30, respectively. The corner sealing cover 50 has a first corner surface 511 and a second corner surface 521, the first corner surface 511 is located on the first door frame 10, the outer surface of the first upper cover 20 is connected to the first corner surface 511 when the first upper cover 20 is closed, the second corner surface 521 is located on the second door frame 30, and the outer surface of the second upper cover 40 is connected to the second corner surface 521 when the second upper cover 40 is closed.

Specifically, the first door frame 10 is connected to the second door frame 30 to form a corner therebetween, the corner sealing cover 50 is disposed at the corner, the first corner surface 511 is disposed on the first door frame 10, the second corner surface 521 is disposed on the second door frame 30, the first upper cover 20 and the second upper cover 40 are respectively disposed on the first door frame 10 and the second door frame 30 in an openable and closable manner, and when the first upper cover 20 is closed on the first door frame 10, the outer surface of the first upper cover 20 is connected to the first corner surface 511, and when the second upper cover 40 is closed on the second door frame 30, the outer surface of the second upper cover 40 is connected to the second corner surface 521, and at the corner between the first door frame 10 and the second door frame 30, the outer surface of the first upper cover 20, the first corner surface 511, the second corner surface 521 and the outer surface of the second upper cover 40 may form a connected surface, and the circuit inside the corner door structure 100 may be sealed to improve safety. And the corner sealing covers 50 are arranged at the corners, so that a space can be provided between the first upper cover 20 and the second upper cover 40, and the second upper cover 40 is prevented from being scratched when the first upper cover 20 is opened or the first upper cover 20 is prevented from being scratched when the second upper cover 40 is opened.

According to the utility model discloses turning door structure 100 through set up the sealed lid 50 in corner, can guarantee that turning door structure 100 has and prevents to cut between two upper covers and rub when good leakproofness.

As shown in fig. 3, in some embodiments, the first upper cover 20 is a flat cover, the first corner surface 511 is a flat surface, and the outer surface of the first upper cover 20 is flush with the first corner surface 511 when the first upper cover 20 is closed. The second upper cover 40 is a flat cover, the second corner surface 521 is a plane, and the outer surface of the second upper cover 40 is flush with the second corner surface 521 when the second upper cover 40 is closed.

That is, when the first upper cover 20 and the second upper cover 40 are respectively covered on the first door frame 10 and the second door frame 30, a plane connecting the outer surface of the first upper cover 20 and the first corner surface 511 and a plane connecting the second corner surface 521 and the outer surface of the second upper cover 40 are formed. When the corner door structure 100 is used, dust or rainwater is prevented from entering the first and second door frames 10 and 30 by covering the first and second upper covers 20 and 40, so that an internal circuit is protected, and a flat surface is formed at the corner to facilitate daily cleaning while improving the appearance.

Accordingly, the appearance of the corner door structure 100 is improved, and the sealing performance of the first and second door frames 10 and 30 is improved, so that the circuit structures in the first and second door frames 10 and 30 can be sealed by the first and second covers 20 and 40 and the corner sealing cover 50, thereby improving the safety of the corner door structure 100.

It should be noted that, the opening direction of the first upper cover 20 is not particularly limited, for example, the first upper cover 20 may be connected to the first doorframe 10 through the top, and at this time, the opening direction of the first upper cover 20 is turned upwards, and the first upper cover 20 may also be connected to the first doorframe 10 through the bottom, and at this time, the opening direction of the first upper cover 20 is turned downwards, and the first upper cover 20 may also be connected to the first doorframe 10 through the side edge, and the opening direction of the corresponding first upper cover 20 is opened laterally, which may be selected according to actual needs.

It is understood that the second upper cover 40 can be opened by one of the above-mentioned opening manners of the first upper cover 20, and is not limited thereto.

Alternatively, the first upper cover 20 may be connected to the first door frame 10 by any one of a hinge connection, and a bearing connection, and the second upper cover 40 may be connected to the second door frame 30 by any one of a hinge connection, and a bearing connection.

As shown in fig. 4, in some embodiments, the corner sealing cap 50 includes: a first main panel region 51, a second main panel region 52, a first bending panel region 53 and a second bending panel region 54. The outer side surface of the first main plate region 51 forms a first corner surface 511. The outer side surface of the second main plate region 52 forms a second corner surface 521, and the second main plate region 52 is connected to one side of the first main plate region 51. The first flap region 53 is connected to a side of the first main panel region 51 remote from the second main panel region 52, and the first flap region 53 extends inwardly relative to the first main panel region 51. The second gusset area 54 is connected to an edge of the second main plate area 52 away from the first main plate area 51, and the second gusset area 54 is disposed to extend inward relative to the second main plate area 52.

Specifically, when the corner door structure 100 is assembled, the corner sealing cover 50 is disposed between the first door frame 10 and the second door frame 30, the first corner surface 511 of the outer side surface of the first main board region 51 is flush with the outer surface of the first upper cover 20, the second corner surface 521 of the outer side surface of the second main board region 52 is flush with the outer surface of the second upper cover 40, and the first main board region 51 and the second main board region 52 are connected to form a continuous plane, so as to improve the sealing performance at the corner door structure 100. The first panel area 53 extends inwardly relative to the first panel area 51, and the second panel area 54 extends relative to the second panel area 52, so as to seal the two sides of the corner sealing cover 50, and prevent water or dust from entering and affecting the circuits in the corner door structure 100.

This improves the sealing performance of the corner sealing cover 50, thereby increasing the safety of the corner door structure 100.

As shown in fig. 4-5, further, the corner sealing cover 50 further includes: a first tab 55 and a second tab 56. The first hinge lug 55 is connected to a side of the first bending plate 53 away from the first main plate 51, and the first hinge lug 55 is provided with a first mounting hole 551 for connecting to the first door frame 10. The second bending lug 56 is connected to a side of the second bending plate region 54 away from the second main plate region 52, and a second mounting hole 561 is formed on the second bending lug 56 to connect to the second door frame 30.

That is, the corner sealing cover 50 can be fixedly connected to the first door frame 10 and the second door frame 30 through the first mounting hole 551 of the first tab 55 and the second mounting hole 561 of the second tab 56. Moreover, since the first tab 55 is connected to the side of the first bending plate area 53 away from the first main plate area 51 and the second tab 56 is connected to the side of the second bending plate area 54 away from the second main plate area 52, when the first upper cover 20 and the second upper cover 40 are respectively covered on the first door frame 10 and the second door frame 30, the first tab 55 and the second tab 56 can be shielded by the first upper cover 20 and the second upper cover 40, thereby preventing dust or water from entering the corner door structure 100.

Therefore, by providing the first tab 55 and the second tab 56, the corner sealing cover 50 can be stably connected to the first door frame 10 and the second door frame 30, and the corner door structure 100 can have good sealing performance.

It should be noted that, the connection manner of the first tab 55 and the first door frame 10 and the connection manner of the second tab 56 and the second door frame 30 are not particularly limited, for example, bolts or rivets may be screwed or riveted, so that the bolts or rivets pass through the first mounting hole 551 and the second mounting hole 561 to be connected with the first door frame 10 and the second door frame 30, or the first tab 55 and the second tab 56 may be welded with the first door frame 10 and the second door frame 30 by welding, which may be selected according to actual needs.

Optionally, the first main board area 51, the second main board area 52, the first bending board area 53, the second bending board area 54, the first tab 55, and the second tab 56 are integral sheet metal parts. During actual production, a whole metal plate can be cut, and then the first main plate area 51, the second main plate area 52, the first bending plate area 53, the second bending plate area 54, the first bending lug 55 and the second bending lug 56 are machined and formed through a sheet metal process. Therefore, no gap exists among the regions, the sealing performance of the corner sealing cover 50 can be improved, and the production efficiency of the integrally formed sheet metal part can be improved while the production cost is reduced.

Here, the processing technology for processing the first main plate area 51, the second main plate area 52, the first bending plate area 53, the second bending plate area 54, the first bending lug 55, and the second bending lug 56 into the integral sheet metal part is not particularly limited, and for example, bending may be performed by a plate bending machine, sheet metal stamping may be performed by providing a die, and the processing technology may be selected according to actual needs.

As shown in fig. 4, in some embodiments, the first main panel region 51, the second main panel region 52, the first bending panel region 53, and the second bending panel region 54 are all vertically disposed, and the corner sealing cover 50 further includes: and a first L-shaped plate 57, wherein the first L-shaped plate 57 is connected to the tops of the first main plate area 51 and the second main plate area 52. The first upper cover 20 is closed with its upper surface being in contact with the first L-shaped plate 57, and the second upper cover 40 is closed with its upper surface being in contact with the first L-shaped plate 57.

Specifically, after the first main board area 51, the second main board area 52, the first bending board area 53, and the second bending board area 54 are formed into an integrated sheet metal part, the top and the bottom of the sheet metal part are hollow structures, and in actual use, water flow or dust easily enters the corner sealing cover 50 through the hollow parts, and then enters the corner door structure 100, so that an internal circuit is easily short-circuited or otherwise dangerous. The first L-shaped plate 57 is disposed on the top of the first main plate area 51 and the second main plate area 52, so as to seal the hollow structure on the top, thereby improving the sealing performance of the corner door structure 100. When the first upper cover 20 and the second upper cover 40 are closed, the upper surfaces of the first upper cover 20 and the second upper cover 40 can be engaged with the first L-shaped plate 57, thereby improving the appearance and the sealing property.

Thus, by providing the first L-shaped plate 57, the sealing performance of the corner sealing cover 50 is improved and the appearance of the corner door structure 100 is improved.

As shown in fig. 4, further, the corner sealing cover 50 further includes: and the second L-shaped plate 58 is vertically connected to the edge of the first L-shaped plate 57, and extends upward relative to the first L-shaped plate 57, and the second L-shaped plate 58 is attached to the first door frame 10 and the second door frame 30.

Specifically, after the corner sealing cover 50 is connected to the first door frame 10 and the second door frame 30, a gap is formed in a top area of the first door frame 10 and the second door frame 30 adjacent to the corner sealing cover 50, water or dust can enter the corner door structure 100 through the gap, and the gap between the top of the corner sealing cover 50 and an area adjacent to the first door frame 10 and the second door frame 30 can be covered by extending the second L-shaped plate 58 upward in a direction perpendicular to the first L-shaped plate 57 and attaching the second L-shaped plate to the first door frame 10 and the second door frame 30.

Thus, by providing the second L-shaped plate 58, the sealing performance of the corner sealing cover 50 can be further improved, and the safety of the corner door structure 100 can be further improved.

As shown in FIG. 4, in some embodiments, the corner sealing cover 50 further comprises: the third L-shaped plate 59 is attached to the first door frame 10 and the second door frame 30, the first bending plate area 53 and the second bending plate area 54 are respectively welded to the third L-shaped plate 59, and the third L-shaped plate 59 is provided with a third mounting hole 591 for connecting the first door frame 10 and the fourth mounting hole 592 for connecting the second door frame 30. The third L-shaped plate 59 welded to the first bent plate area 53 and the second bent plate area 54 provides structural support for the corner sealing cover 50, so that the corner sealing cover 50 has higher structural strength, and the third mounting hole 591 and the fourth mounting hole 592 provide higher connection strength between the corner sealing cover 50 and the first door frame 10 and the second door frame 30, thereby improving the stability of the corner door structure 100.

It should be noted that the connection manner between the third L-shaped plate 59 and the first door frame 10, and between the third L-shaped plate 59 and the second door frame 30 is not particularly limited, for example, bolts or rivets may be screwed or riveted, and the bolts or rivets may be passed through the third mounting holes 591 and the fourth mounting holes 592 to connect with the first door frame 10 and the second door frame 30, or the third L-shaped plate 59 may be welded with the first door frame 10 and the second door frame 30 by welding, which may be selected according to actual needs.

As shown in fig. 1, in some embodiments, the corner door structure 100 further comprises: a first door body 60 and a second door body 70. The first door 60 is openably and closably connected to the first door frame 10, and the first door 60 is located below the first upper cover 20. The second door 70 is openably and closably connected to the second door frame 30, and the second door 70 is located below the second upper cover 40.

Specifically, in practical applications, the corner door structure 100 is generally applied to a platform, and is used for spacing a train from the platform to ensure the safety of passengers waiting for the train, the first door body 60 on the first door frame 10 and the second door body 70 on the second door frame 30 are in a closed state at ordinary times, and when workers need to overhaul the platform, for example, when a rail or a circuit structure is overhauled, the first door body 60 or the second door body 70 can be opened to allow the workers to come in and go out, and after the overhaul is completed, the first door body 60 and the second door body 70 can be locked to ensure the safety.

It should be noted that, here, no specific limitation is imposed on the opening manner of the first door body 60 and the second door body 70, the first door body 60 and the second door body 70 may be connected to the first door frame 10 and the second door frame 30 through hinges, at this time, the first door body 60 and the second door body 70 are opened and closed in an inward rotation manner, the first door body 60 and the second door body 70 may also be connected through a slide rail, at this time, the first door body 60 and the second door body 70 are opened and closed in a flat-open manner, and may be selected according to actual needs.

In accordance with another embodiment of the present invention, a platform door includes the corner door structure 100 of any of the above embodiments.

According to the utility model discloses the platform door of another embodiment, in practical application, the platform door still includes the shield door structure except turning door mechanism, the shield door structure is including the shield door that can open and shut to both sides, in order to supply the passenger to get on or off the bus, the shield door structure is connected with turning door structure 100, can form continuous whole, in order to separate completely between platform and the vehicle, and then guarantee passenger's safety, and set up turning door structure 100 in the above-mentioned embodiment in the platform door, can improve the leakproofness of whole platform door, and then make platform door structure safer.

In the description of the present specification, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A corner door structure, comprising:

a first doorframe (10);

a first upper cover (20), wherein the first upper cover (20) is connected to the first door frame (10) in an openable and closable manner;

a second door frame (30), wherein the second door frame (30) is connected with the first door frame (10), and a corner is formed between the second door frame (30) and the first door frame (10);

a second upper cover (40), wherein the second upper cover (40) is connected to the second door frame (30) in an openable and closable manner;

the corner sealing covers (50), wherein the corner sealing covers (50) are positioned at the corners and are respectively connected with the first door frame (10) and the second door frame (30);

the corner sealing cover (50) is provided with a first corner surface (511) and a second corner surface (521), the first corner surface (511) is positioned on the first door frame (10), the outer surface of the first upper cover (20) is connected with the first corner surface (511) when the first upper cover (20) is closed, the second corner surface (521) is positioned on the second door frame (30), and the outer surface of the second upper cover (40) is connected with the second corner surface (521) when the second upper cover (40) is closed.

2. The corner door structure according to claim 1, wherein the first upper cover (20) is a flat cover, the first corner face (511) is a flat face, and an outer surface of the first upper cover (20) is flush with the first corner face (511) when the first upper cover (20) is closed;

the second upper cover (40) is a flat cover, the second corner surface (521) is a plane, and the outer surface of the second upper cover (40) is flush with the second corner surface (521) when the second upper cover (40) is closed.

3. The corner door structure according to claim 1, wherein the corner sealing cover (50) comprises:

a first main plate region (51), an outer side surface of the first main plate region (51) forming the first corner face (511);

a second main plate region (52), an outer side surface of the second main plate region (52) forming the second corner surface (521), the second main plate region (52) being connected to one side of the first main plate region (51);

the first bending plate area (53) is connected to one side, far away from the second main plate area (52), of the first main plate area (51), and the first bending plate area (53) is arranged in an inward extending mode relative to the first main plate area (51);

the second bending plate area (54) is connected to one side, far away from the first main plate area (51), of the second main plate area (52), and the second bending plate area (54) is arranged in a mode of extending inwards relative to the second main plate area (52).

4. The corner door structure according to claim 3, wherein the corner sealing cover (50) further comprises:

the first folding lug (55), the first folding lug (55) is connected to one side of the first folding plate area (53) far away from the first main plate area (51), and a first mounting hole (551) is arranged on the first folding lug (55) to be connected with the first door frame (10);

the second folding lug (56), the second folding lug (56) is connected to one side of the second bending plate area (54) far away from the second main plate area (52), and a second mounting hole (561) is formed in the second folding lug (56) to be connected with the second door frame (30).

5. The corner door structure according to claim 4, wherein the first main panel region (51), the second main panel region (52), the first gusset panel region (53), the second gusset panel region (54), the first gusset tab (55), and the second gusset tab (56) are an integral sheet metal member.

6. The corner door structure according to claim 3, wherein the first main panel region (51), the second main panel region (52), the first gusset panel region (53), and the second gusset panel region (54) are vertically disposed, and the corner sealing cover (50) further comprises: a first L-shaped plate (57), the first L-shaped plate (57) being connected on top of the first main plate area (51), the second main plate area (52);

the upper surface of the first upper cover (20) is connected with the first L-shaped plate (57) when the first upper cover is closed, and the upper surface of the second upper cover (40) is connected with the first L-shaped plate (57) when the second upper cover is closed.

7. The corner door structure according to claim 6, wherein the corner sealing cover (50) further comprises: the second L-shaped plate (58) is vertically connected to the edge of the first L-shaped plate (57), and is arranged to extend upwards relative to the first L-shaped plate (57), and the second L-shaped plate (58) is attached to the first door frame (10) and the second door frame (30).

8. The corner door structure according to claim 3, wherein the corner sealing cover (50) further comprises: the third L-shaped plate (59) is attached to the first door frame (10) and the second door frame (30), the first bending plate area (53) and the second bending plate area (54) are respectively connected to the third L-shaped plate (59) in a welded mode, and a third mounting hole (591) is formed in the third L-shaped plate (59) to be connected with the first door frame (10) and a fourth mounting hole (592) to be connected with the second door frame (30).

9. The corner door structure according to any one of claims 1-8, further comprising:

a first door body (60), wherein the first door body (60) is connected to the first door frame (10) in an openable and closable manner, and the first door body (60) is positioned below the first upper cover (20);

and a second door body (70), wherein the second door body (70) is connected to the second door frame (30) in an openable and closable manner, and the second door body (70) is positioned below the second upper cover (40).

10. A platform door, comprising: the corner door structure (100) according to any one of claims 1-9.

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