CN215761296U - Cabin door structure - Google Patents

Abstract

The utility model discloses a cabin door structure which comprises a cabin door and a door cantilever, wherein the door cantilever is arranged on the cabin door and is rotatably connected with a cabin body through a first rotating shaft, the door cantilever is rotatably connected with the cabin door through a second rotating shaft, the second rotating shaft enables the cabin door to rotate anticlockwise along the second rotating shaft, and the axis of the first rotating shaft is parallel to the axis of the second rotating shaft. According to the utility model, the cabin door and the cabin body are connected through the door cantilever, and when the cabin door is buckled on the cabin body, the relative sealing position of the cabin door on the cabin body can be adjusted, so that the sealing of the low-pressure cabin is improved, and the structure is simple and easy to realize.

Description

Cabin door structure

Technical Field

The utility model relates to the technical field of dormant cabins, in particular to a cabin door structure.

Background

The ballast is simulation equipment for simulating low-pressure and anoxic environments, and in use, the cabin door and the cabin body are fixed in a sealing mode. The existing cabin door is arranged on the side of the cabin body through a rotating shaft, and the cabin door is buckled with the cabin body after rotating around the rotating shaft. In long-term use, the dead weight of the cabin door causes an assembly gap to be formed between the cabin door and the rotating shaft, so that the cabin door deviates from the buckling position of the cabin body, the sealing between the cabin door and the cabin body is influenced, and the sealing performance of the low-pressure cabin is reduced.

The prior art is therefore still subject to further development.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, embodiments of the present invention provide a cabin door structure, which can solve the related technical problems in the prior art.

The utility model provides a cabin door structure which comprises a cabin door and a door cantilever, wherein the door cantilever is arranged on the cabin door and is rotatably connected with a cabin body through a first rotating shaft, the door cantilever is rotatably connected with the cabin door through a second rotating shaft, the second rotating shaft enables the cabin door to rotate anticlockwise along the second rotating shaft, and the axis of the first rotating shaft is parallel to the axis of the second rotating shaft.

Optionally, one end of the door cantilever is connected with the first rotating shaft.

Optionally, a hinge is further connected to the second rotation shaft, and the hinge is disposed on the door, so that the door can rotate relative to the second rotation shaft.

Optionally, the hinge includes a first hinge and a second hinge, and the first hinge and the second hinge are respectively and correspondingly fixedly connected to the upper portion and the lower portion of the second rotating shaft.

Optionally, the first hinge is located on the door and the second hinge is located on the door cantilever.

Optionally, the first rotating shaft is further in respective rotating fit with at least two door shaft fixing frames.

Optionally, the door includes a sealing structure for sealing; the sealing structure comprises a first sealing groove arranged on the cabin door, a second sealing groove arranged on the cabin body, and a cavity inner sealing ring arranged between the first sealing groove and the second sealing groove.

Optionally, a stiffener is arranged on the outer wall of the cabin door.

Optionally, a vertical bearing is further disposed below the first rotating shaft, and the tail end of the first rotating shaft is connected with the vertical bearing in a matched manner.

According to the technical scheme provided by the utility model, the cabin door and the cabin body are connected through the door cantilever, and the relative sealing position of the cabin door in the cabin body can be adjusted when the cabin door is buckled with the cabin body, so that the sealing of the low-pressure cabin is improved, and the structure is simple and easy to realize.

Drawings

Fig. 1 is a schematic view of the overall structure of a single cabin according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the cabin according to the embodiment of the present invention.

Fig. 3 is a schematic diagram illustrating a positional relationship between the second rotating shaft and the door according to the embodiment of the present invention.

Fig. 4 is a schematic view of a hinge structure according to an embodiment of the present invention.

Fig. 5 is a schematic view of a sealing structure according to an embodiment of the present invention.

Fig. 6 is another schematic view of a sealing structure according to an embodiment of the present invention.

The hatch door comprises a hatch door rotating direction A, a hatch opening width direction B, a hatch opening extending direction C, a hatch opening width direction D, a low-pressure chamber 1, a pressure chamber 11, a hatch opening 12, a hatch door 2, reinforcing ribs 22, a door cantilever 3, a door cantilever extending direction M, a first end M1, a second end M2, a first rotating axis 31, a first rotating axis 33, a plane bearing 311, a door shaft fixing frame 312, a bearing sleeve 313, a vertical bearing 314, a second rotating axis 32, a second rotating axis 34, a hinge structure 4, a first hinge 41, a second hinge 42, a sealing structure 5, a first sealing groove 51, a second sealing groove 52 and a sealing ring 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

As shown in fig. 1, the present invention provides a hatch door structure including a hatch door 2 and a door cantilever 3. The cabin door 2 is placed on the door cantilever 3, the door cantilever 3 provides a supporting surface, and the door cantilever 3 supports the cabin door 2, so that the rotation angle adjustment of the cabin door 2 can be better realized, and the sealing is improved. The outer wall of the cabin door 2 is provided with a reinforcing rib 22 for enhancing the structural stability of the cabin door 2. The four corners of the hatch 2 are rounded corners for cooperation with the hatch 12 for a better sealing function.

As shown in fig. 1, the low-pressure cabin 1 is one of the cabin units of the individual cabin, and the low-pressure cabin 1 in this embodiment is assembled with other cabin units to form a complete individual cabin. The ballast 1 has a pressure chamber 11 and has a hatch 12 communicating with the pressure chamber 11. The hatch 12 has a hatch width direction B and a hatch extension direction C perpendicular to the hatch width direction B.

Referring to fig. 2, the hatch door structure of the low pressure cabin 1 includes a hatch door 2 and a door cantilever 3. The hatch 2 has a hatch width direction D which can be parallel to the hatch width direction B. The hatch 2 has two ends in the hatch width direction B. The door suspension arm 3 includes, in its extending direction M, a first end M1 and a second end M2. The first end M1 is rotatably connected to the ballast 1 by a first rotating shaft 33. The first rotation axis 31 is parallel to the hatch extension direction C.

As shown in fig. 3, the second end M2 is rotatably connected to the hatch 2 via the second rotating shaft 34, so that the hatch 2 can be fastened to the hatch 12. The second axis of rotation 32 is parallel to the first axis of rotation 31. The second rotating shaft 34 is located between two ends of the cabin door 2, and is used for connecting the cabin door 2 and the low-pressure cabin 1 through the door cantilever 3, and when the cabin door 2 is buckled with the cabin body, the relative sealing position of the cabin door 2 and the cabin body can be adjusted, so that the sealing of the low-pressure cabin 1 is improved, and the structure is simple and easy to realize.

In use of the hatch door 2 of the low pressure chamber 1 according to the present invention, the first end M1 of the door cantilever 3 is rotatably disposed with the exterior low pressure chamber 1 through the first rotating shaft 33, and the second end M2 of the door cantilever 3 is rotatably disposed with the hatch door 2 through the second rotating shaft 34 parallel to the first rotating axis 31, so that the door cantilever 3 can be connected with the hatch door 2 and the low pressure chamber 1 through the first rotating shaft 33 and the second rotating shaft 34, respectively, in a one-to-one correspondence.

When the hatch door 2 uses the first rotating shaft 33 as an axis, the rotating angle range is 0 to 90 degrees, so as to realize the predetermined opening and closing function of the hatch door 2 in a certain angle range. When the second rotating shaft 33 is used as the axis of the hatch 2, the rotating angle ranges from 0 to 3 degrees in the clockwise direction. As shown in fig. 2 and 3, the second rotating shaft 33 is on the door suspension arm 3, and the door 2 is mounted on the door suspension arm 3, and the door 2 can rotate 0-3 ° clockwise and counterclockwise around the second rotating shaft 33.

Further, as shown in fig. 1, the first rotating shaft 33 is fixedly connected to one side end of the door cantilever 3, and at least two door shaft fixing frames 312 are disposed on the low pressure chamber 1. The first rotating shaft 33 is in line-rotation fit with at least two door shaft fixing frames 312 respectively, so as to stably and rotatably connect the first rotating shaft 33 with the low pressure cabin 1 through the door shaft fixing frames 312, and further enable the door cantilever 3 to rotate by taking the first rotating shaft 33 as a central axis.

The door shaft fixing frame 312 is fixedly connected with a plane bearing 311, and the first rotating shaft 33 is rotatably assembled with the plane bearing 311 to improve the rotating stability of the cabin door 2. The flat bearings 311 are respectively provided with a bearing sleeve 313 for preventing the flat bearing 311 from moving axially.

As shown in fig. 4, an extension main shaft is integrally provided at one side end of the first rotating shaft 33, and at least one door shaft fixing block 312 axially corresponding to the first rotating shaft 33 is provided at a position not laterally corresponding to the door cantilever 3 on the outer ballast 1. The extension main shaft is rotatably disposed in the vertical bearing 314 to make the rotation of the hatch 2 more stable.

As shown in fig. 4, the second rotating shaft 34 is rotatably disposed with the hinge structure 4, the hinge structure 4 includes a first hinge 41 and a second hinge 42, the first hinge 41 is fixedly connected with the door 2, and the second hinge 42 is fixedly connected with the door cantilever 3. The number of the first hinges 41 and the second hinges 42 is at least one. The second rotation shaft 34 is rotatably engaged with at least one first hinge 41 and one second hinge 42, respectively, so as to connect the second rotation shaft 34 with the hatch 2 and the door suspension arm 3 one by one through the first hinge 41 and the second hinge 42, respectively.

The cabin door 2 and the door cantilever 3 are provided with positioning holes, and the first hinge 41 is connected with the cabin door 2 through the positioning holes. The second hinge 42 is connected to the door cantilever 3 through a positioning hole. The sealing device is used for improving the contact adaptivity between the two ends of the cabin door 2 and the sealing ring 53 after the cabin door 2 is pressed by rotating within a preset range, so as to keep the stress balance and stability, and simultaneously ensure that the rotating angles of the two sides of the cabin door 2 do not have too large difference, so that the rotating perimeter of one side of the cabin door 2 is not too large to influence the sealing performance.

Further, the second hinge 42 is integrally formed with the door suspension arm 3 on the door suspension arm 3, the first hinge 41 is integrally formed with the door 2 on the door suspension arm 3, and the positioning hole on the hinge is also a shaft hole of the second rotation shaft 34, so that the door 2 can rotate around the second rotation shaft 34 with a small amplitude shaft.

As shown in fig. 5-6, a sealing structure 5 is disposed between an outer edge of the door 2 and an outer edge of the low pressure chamber 1, the sealing structure 5 includes a first sealing groove 51, a second sealing groove 52 and a sealing ring 53, and a cavity for stably mounting the sealing ring 53 is correspondingly formed between the first sealing groove 51 and the second sealing groove 52, so that the sealing between the low pressure chamber 1 and the door 2 is realized by the first sealing groove 51, the second sealing groove 52 and the sealing ring 53.

In a preferred embodiment of the present invention, as shown in fig. 1 to 6, when the door 2 is fastened to the cabin 1, a portion of the sealing ring 53 on the door 2 contacts with the sealing ring 53 on the cabin 1, at this time, the first sealing groove 51 contacts with the sealing ring 53, when the door 2 uses the second rotating shaft 34 as an axis, the door 2 can swing along the second rotating axis 32, the range of the door 2 in the clockwise direction is 0 to 3 °, so that the first sealing groove 51 can also rotate 0 to 3 ° in the clockwise direction, thereby realizing that during the swinging process of the door 2, the matching between the first sealing grooves 51 and the sealing rings 53 on both sides has a certain adaptivity, and when a stable state is reached, there is no one-side door opening, the doors 2 on both sides can be ensured to be fully abutted against both sides of the cabin 1, and the sealing rings 53 on the door 2 can be better matched with the sealing rings 53 on the cabin 1, to achieve a better sealing function.

The use process of the cabin door structure of the low-pressure cabin is as follows:

during the use, when hatch door 2 is opened to needs, operating personnel pulls hatch door 2 with the hand, and door cantilever 3 uses first axis of rotation 33 to rotate under 0 ~ 90 angle scope with the drive hatch door 2 of axle center and realizes the function of opening the door, and when hatch door 2 was closed to needs, operating personnel pushed hatch door 2 with the hand, and door cantilever 3 uses first axis of rotation 33 to rotate under 0 ~ 90 angle scope with the drive hatch door 2 of axle center and realizes the function of closing the door.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. The utility model provides a hatch door structure, its characterized in that, includes hatch door and door cantilever, the door cantilever is located on the hatch door, the door cantilever is connected with the cabin body rotation through first axis of rotation, the door cantilever pass through the second axis of rotation with the hatch door rotates to be connected, the second axis of rotation makes the hatch door is followed the anticlockwise rotation of second axis of rotation, just the axis of first axis of rotation with the axis of second axis of rotation is parallel.

2. A door structure according to claim 1, wherein one end of the door cantilever is connected to the first rotary shaft.

3. A door structure according to claim 1, characterized in that a hinge is further connected to said second axis of rotation, said hinge being provided on said door such that said door is rotatable with respect to said second axis of rotation.

4. A door structure according to claim 3, characterized in that said hinges comprise a first hinge and a second hinge, respectively associated with the upper and lower portions of said second rotation axis.

5. A door structure according to claim 4, in which the first hinge is located on the door and the second hinge is located on the door cantilever.

6. A door structure according to claim 1, characterized in that said first rotary shaft is also in rotary engagement with at least two door shaft holders, respectively.

7. A door structure according to claim 1, wherein said door comprises a sealing structure for sealing; the sealing structure comprises a first sealing groove arranged on the cabin door, a second sealing groove arranged on the cabin body, and a cavity inner sealing ring arranged between the first sealing groove and the second sealing groove.

8. A door structure according to claim 1, characterized in that the outer wall of said door is provided with stiffening ribs.

9. The door structure according to claim 1, wherein an upright bearing is further provided below the first rotating shaft, and a distal end of the first rotating shaft is fittingly connected to the upright bearing.

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