Rotary opening and closing cabin door and cabin door assembly

Abstract

The rotary opening and closing cabin door comprises a cabin door frame and a cabin door structure arranged on the cabin door frame, the cabin door structure comprises a main cabin door and an auxiliary cabin door, the auxiliary cabin door is located above the main cabin door, the main cabin door is turned downwards to be opened, and the auxiliary cabin door is turned upwards to be opened, so that the channel space occupied after the cabin door is opened is reduced; after the main cabin door is opened, a stair tread for passengers to pass through can be formed, the passengers can get on and off conveniently, the requirement of an airplane front cabin door is met, the main cabin door and the auxiliary cabin door can be opened inside and outside the cabin door, operation is convenient, and labor is saved. The rotary opening and closing cabin door and the cabin door assembly provided by the invention are small in occupied space, can be conveniently opened or closed, can be convenient for passengers to get on and off, can meet the requirements of a front cabin door of an airplane, can be opened from inside to outside of the cabin door, are convenient and labor-saving to operate, are favorable for saving cost, and have wide and good market prospects.

Description

Technical Field

[0001] The invention belongs to the field of cabin doors, and in particular relates to a rotary opening and closing cabin door and a cabin door assembly. Background Art

[0002] A revolving door is a common door type, mainly used for people to get on and off, and is widely used in public transportation such as airplanes and subways. Common opening and closing methods for doors on airplanes include left-right push-pull, left-right rotation, and vertical rotation. Left-right push-pull doors have low traffic efficiency in high-flow application scenarios. When the doors are open, they occupy space, affecting the passage of people. At the same time, greater force is required to push and pull when opening or closing the doors, making them inconvenient to open or close. When left-right rotation and vertical rotation doors are open, they occupy a certain space, affecting the passage of people.

[0003] The front door of the front landing gear on the aircraft needs to ensure the normal passage of passengers. The door structures of the above methods cannot meet the use requirements of the front door of the aircraft. The front door of the aircraft in the prior art is usually locked by a locking hook assembly or an actuator, which has a relatively complex structure and is inconvenient to open or close the front door.

[0004] Therefore, there is an urgent need to develop a rotating opening and closing door and door assembly that occupies a small space, can be easily opened or closed, can facilitate passengers to get on and off, can meet the needs of the front cabin door of the aircraft, can be opened from both inside and outside the cabin door, is easy and labor-saving to operate, is conducive to cost saving, and has broad and good market prospects. Summary of the invention

[0005] The present invention is made to solve the above problems, and aims to provide a rotating opening and closing cabin door and cabin door assembly which occupies a small space, can be easily opened or closed, can facilitate passengers to get on and off, can meet the requirements of the front cabin door of the aircraft, can be opened from both inside and outside the cabin door, is easy to operate and labor-saving, is conducive to cost saving, and has a broad and good market prospect. In order to achieve the above purpose, the technical solution adopted by the present invention is:

[0006] The present invention provides a rotating opening and closing cabin door, which has the following characteristics: it comprises a cabin door frame and a cabin door structure arranged on the cabin door frame, wherein the cabin door structure comprises a main cabin door and a secondary cabin door.

[0007] The rotating opening and closing door provided by the present invention may also have such a feature that the door frame includes a top beam, a bottom beam and a side beam, one end of the side beam is connected to the end of the top beam, and the other end of the side beam is connected to the bottom beam.

[0008] The rotating opening and closing door provided by the present invention may also have the following features: the main door includes a main door panel and a first hinge arranged on one side of the main door panel, and the first hinge is connected to the bottom beam; the auxiliary door includes an auxiliary door panel and a second hinge arranged on the auxiliary door panel, and the second hinge is connected to the top beam.

[0009] The revolving hatch provided by the present invention may also have such a feature that a supporting rib is provided on the door panel of the main hatch, and a stair tread is provided on the supporting rib.

[0010] The rotating opening and closing door provided by the present invention may also have such a feature, including a door opening buffer structure, the door opening buffer structure includes a first buffer unit, the first buffer unit includes a buffer guide rail, a slider and a first gas spring, the first gas spring mounting seat and the second gas spring mounting seat are respectively provided at both ends of the first gas spring, the buffer guide rail is connected to the bottom beam, the slider is movably arranged on the buffer guide rail, the first gas spring mounting seat is arranged on the slider, and the second gas spring mounting seat is arranged on the main door panel.

[0011] In the rotating opening and closing door provided by the present invention, it can also have such a feature that the door opening buffer structure also includes a second buffer unit, the second buffer unit includes a second gas spring and a pull strap, and the two ends of the second gas spring are respectively provided with a third gas spring mounting seat and a fourth gas spring mounting seat, the third gas spring mounting seat is arranged on the side beam, and the fourth gas spring mounting seat is arranged on the supporting rib plate, one end of the pull strap is connected to the fourth gas spring mounting seat, and the other end of the pull strap is provided with a pull strap mounting seat, and the pull strap mounting seat is arranged on the side beam.

[0012] The rotating opening and closing door provided by the present invention may also have such a feature, and also include a linkage unit, the linkage unit includes a linkage rod, a first linkage rod mounting seat and a second linkage rod mounting seat, the first linkage rod mounting seat and the second linkage rod mounting seat are respectively arranged at both ends of the linkage rod, the first linkage rod mounting seat is arranged on the main door panel, and the second linkage rod mounting seat is arranged on the auxiliary door panel.

[0013] The rotating opening and closing door provided by the present invention may also have the following features: a door locking structure is provided on the main door panel, the door locking structure includes an outer handle, an inner handle, a handle rod, a connecting rod seat, a first connecting rod, a second connecting rod, a hinge, a hinge seat and a locking unit; the outer handle is movably arranged on the main door panel, the inner handle is movably arranged on the main door panel, the outer handle is connected to the inner handle, the handle rod is connected to the outer handle and the inner handle, the handle rod is connected to the connecting rod seat, one end of the first connecting rod away from the connecting rod seat is connected to the hinge, the hinge is movably arranged on the hinge seat, the hinge is connected to the locking unit, one end of the second connecting rod is connected to the connecting rod seat, and the other end of the second connecting rod is connected to the locking unit.

[0014] In the rotating opening and closing hatch provided by the present invention, it can also have such a feature that the locking unit includes a locking rod, a guide rod, a locking block and a guide seat, the guide rod is arranged at the end of the locking rod, the guide rod is movably arranged in the guide seat, and the locking block is arranged on one end of the guide rod away from the guide seat.

[0015] The present invention also provides a door assembly having the following characteristics, including the above-mentioned rotating opening and closing door.

[0016] The technical effect of the present invention is as follows: the rotating opening and closing cabin door provided by the present invention includes a cabin door frame and a cabin door structure arranged on the cabin door frame, the cabin door structure includes a main cabin door and an auxiliary cabin door, the auxiliary cabin door is located above the main cabin door, the main cabin door is flipped downward to open, and the auxiliary cabin door is flipped upward to open, thereby reducing the passage space occupied by the cabin door after it is opened, and stair steps can be formed for passengers to pass through after the main cabin door is opened, which is convenient for passengers to go up and down and meets the requirements of the front cabin door of the aircraft. The main cabin door and the auxiliary cabin door can be opened from both inside and outside the cabin door, and the operation is convenient and labor-saving. The present invention also provides a cabin door assembly, which is conducive to cost saving and has a broad and good market prospect.

[0017] Therefore, the rotating opening and closing cabin door and cabin door assembly provided by the present invention occupy a small space, can be easily opened or closed, can facilitate passengers to get on and off, can meet the needs of the front cabin door of the aircraft, can be opened from both inside and outside the cabin door, is easy and labor-saving to operate, is conducive to cost saving, and has a broad and good market prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] This specification includes the following drawings, which show the following contents:

[0019] Figure 1 is a schematic diagram of the structure of a rotary opening and closing hatch in a closed state according to an embodiment of the present invention;

[0020] Figure 2 is a schematic diagram of the structure of a rotary opening and closing hatch in an open state according to an embodiment of the present invention;

[0021] Figure 3 The structure of the main door in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0022] Figure 4 The structure of the main door in the embodiment of the present invention is shown in FIG. Figure 2 .

[0023] The markings in the figure are: door frame-10, top beam-11, bottom beam-12, side beam-13, door structure-20, main door-21, main door panel-211, first hinge-212, supporting rib-213, stair tread-214, inner handle opening-215, handle-216, auxiliary door-22, auxiliary door panel-221, second hinge-222, door opening buffer structure-30, first buffer unit-31, buffer guide rail-311, slider-312, first gas spring-313, first gas spring mounting seat-314, second gas spring mounting seat-315, second buffer Unit-32, second gas spring-321, drawstring-322, third gas spring mounting seat-323, fourth gas spring mounting seat-324, drawstring mounting seat-325, linkage unit-40, linkage rod-41, first linkage rod mounting seat-42, second linkage rod mounting seat-43, door locking structure-50, outer handle-51, inner handle-52, handle rod-53, connecting rod seat-54, first connecting rod-55, second connecting rod-56, hinge-57, hinge seat-58, locking unit-59, locking rod-591, guide rod-592, locking block-593, guide seat-594. DETAILED DESCRIPTION

[0024] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0025] Figure 1 is a schematic diagram of the structure of a rotary opening and closing hatch in a closed state according to an embodiment of the present invention; Figure 2 It is a schematic diagram of the structure of a rotary opening and closing hatch in an open state according to an embodiment of the present invention.

[0026] like Figure 1 and Figure 2 As shown, the revolving opening and closing door provided by the present invention includes a door frame 10 and a door structure 20 arranged on the door frame 10, the door structure 20 includes a main door 21 and an auxiliary door 22, the auxiliary door 22 is located above the main door 21, the main door 21 is flipped downward to open, and the auxiliary door 22 is flipped upward to open, thereby reducing the passage space occupied by the door after opening. After the main door 21 is opened, a staircase can be formed for passengers to pass through, which is convenient for passengers to get on and off and meets the requirements of the front door of the aircraft. The main door 21 and the auxiliary door 22 can be opened from both inside and outside the door, and the operation is convenient and labor-saving. Therefore, the revolving opening and closing door provided by the present invention occupies a small space, can be easily opened or closed, can be convenient for passengers to get on and off, can meet the requirements of the front door of the aircraft, can be opened from both inside and outside the door, is convenient and labor-saving to operate, is conducive to cost saving, and has a broad and good market prospect.

[0027] The hatch door frame 10 includes a top beam 11, a bottom beam 12 and a side beam 13. One end of the side beam 13 is connected to the end of the top beam 11, and the other end of the side beam 13 is connected to the end of the bottom beam 12. The two side beams 13 are arranged parallel to each other, which is beneficial to improving the structural strength of the hatch door frame 10.

[0028] Figure 3 The structure of the main door in the embodiment of the present invention is shown in FIG. Figure 1 ; Figure 4 The structure of the main door in the embodiment of the present invention is shown in FIG. Figure 2 .

[0029] like Figure 3 and Figure 4 As shown, the main door 21 includes a main door panel 211 and a first hinge 212 arranged on one side of the main door panel 211, the first hinge 212 is connected to the bottom beam 12, so that the main door panel 211 can be turned around the bottom beam 12; the auxiliary door 22 includes an auxiliary door panel 221 and a second hinge 222 arranged on the auxiliary door panel 221, the second hinge 222 is connected to the top beam 11, so that the auxiliary door panel 221 can be turned around the bottom beam 12, so that the main door 21 is turned downward to open, and the auxiliary door 22 is turned upward to open, thereby reducing the passage space occupied by the doors after opening.

[0030] like Figure 3 and Figure 4 As shown, a supporting rib 213 is provided on the inner side of the main cabin door panel 211. The supporting rib 213 is in a step shape. A stair tread 214 is provided on the supporting rib 213. The stair tread 214 is matched with the supporting rib 213. The four supporting ribs 213 are arranged parallel to each other, which can effectively support the stair tread 214, so that after the main cabin door 21 is opened, a staircase can be formed for passengers to pass through, which is convenient for passengers to go up and down and meets the requirements of the front cabin door of the aircraft.

[0031] The rotating opening and closing door provided by the present invention also includes a door opening buffer structure 30, which includes a first buffer unit 31. The first buffer unit 31 includes a buffer guide rail 311, a slider 312 and a first gas spring 313. The two ends of the first gas spring 313 are respectively provided with a first gas spring mounting seat 314 and a second gas spring mounting seat 315. The buffer guide rail 311 is connected to the bottom beam 12, the slider 312 is slidably arranged on the buffer guide rail 311, the first gas spring mounting seat 314 is on the slider 312, and the second gas spring mounting seat 315 is arranged on the main door panel 211, so that the first gas spring 313 can buffer the opening process of the main door 21 and the auxiliary door 22, avoid excessive impact during the opening process causing the main door 21 to be impacted, and improve the reliability of the structure.

[0032] The door opening buffer structure 30 also includes a second buffer unit 32, which includes a second gas spring 321 and a drawstring 322. The two ends of the second gas spring 321 are respectively provided with a third gas spring mounting seat 323 and a fourth gas spring mounting seat 324. The third gas spring mounting seat 323 is arranged on the side beam 13, and the fourth gas spring mounting seat 324 is arranged on the supporting rib 213, so that the second gas spring 321 can further buffer the opening process of the main door 21 and the auxiliary door 22, further avoiding the main door 21 from being impacted by excessive impact during the opening process, and further improving the reliability of the structure. One end of the drawstring 322 is connected to the fourth gas spring mounting seat 324, and the other end of the drawstring 322 is provided with a drawstring mounting seat 325, which is arranged on the side beam 13, so that the drawstring 322 can further buffer the opening process of the main door 21 and the auxiliary door 22, further avoiding the main door 21 from being impacted by excessive impact during the opening process, and further improving the reliability of the structure.

[0033] The rotating opening and closing door provided by the present invention also includes a linkage unit 40, which includes a linkage rod 41, a first linkage rod mounting seat 42 and a second linkage rod mounting seat 43. The first linkage rod mounting seat 42 and the second linkage rod mounting seat 43 are respectively arranged at both ends of the linkage rod 41. One end of the linkage rod 41 is rotatably connected to the first linkage rod mounting seat 42 by a hinged manner, and the other end of the linkage rod 41 is rotatably connected to the second linkage rod mounting seat 43 by a hinged manner. The first linkage rod mounting seat 42 is arranged on the main cabin door panel 211, and the second linkage rod mounting seat 43 is arranged on the auxiliary cabin door panel 221, so that when the main cabin door 21 is opened, the auxiliary cabin door 22 can be driven to open through the linkage rod 41, which is convenient for opening or closing the main cabin door 21 and the auxiliary cabin door 22.

[0034] The main door panel 211 is provided with a door locking structure 50, which includes an outer handle 51, an inner handle 52, a handle rod 53, a connecting rod seat 54, a first connecting rod 55, a second connecting rod 56, a hinge 57, a hinge seat 58 and a locking unit 59. The outer handle 51 is rotatably arranged on the main door panel 211, and the outer handle 51 is located on the outside of the main door 21. The inner handle 52 is rotatably arranged on the main door panel 211, and the inner handle 52 is located on the inside of the main door 21. The outer handle 51 is connected to the inner handle 52, and the handle rod 53 is connected to the outer handle 51 and the inner handle 52. The handle rod 53 is connected to the connecting rod seat 54, and the connecting rod seat 54 is in a "T" shape. One end of the first connecting rod 55 is connected to the connecting rod seat 54, and the other end of the first connecting rod 55 is connected to the hinge 57, and the hinge 57 is in an "L" shape. The hinge 57 is rotatably arranged on the hinge seat 58, and the hinge 57 is connected to the locking unit 59. One end of the second connecting rod 56 is connected to the connecting rod seat 54, and the other end of the second connecting rod 56 is connected to the locking unit 59. By rotating the outer handle 51 or the inner handle 52, the first connecting rod 55 and the second connecting rod 56 can be driven to extend and retract in a direction perpendicular to the supporting rib 213.

[0035] Two groups of locking units 59 are respectively arranged on both sides of the main cabin door panel 211, and the locking unit 59 includes a locking rod 591, a guide rod 592, a locking block 593 and a guide seat 594. The locking rod 591 is connected to the hinge 57, and the locking rod 591 is connected to the second connecting rod 56, so that the locking rod 591 can be extended and retracted in a direction perpendicular to the supporting ribs 213. The guide rods 592 are arranged at both ends of the locking rod 591, and the guide rods 592 are movably arranged in the guide seat 594, so that the locking rod 591 can be smoothly extended and retracted in a direction perpendicular to the supporting ribs 213. The guide seat 594 is arranged on the guide rod 592 at one end away from the guide seat 594, so that the guide seat 594 abuts against the side beam 13, thereby locking the main cabin door 21 and the auxiliary cabin door 22.

[0036] An inner handle opening 215 is provided on the stair tread 214, so as to facilitate turning the inner handle 52 from the inner side of the main cabin door 21. A handle 216 is also provided on the outer side of the main cabin door panel 211, and the handle 216 can facilitate opening the main cabin door 21, and the operation is convenient and labor-saving.

[0037] The present invention also provides a hatch assembly, including the rotating opening and closing hatch provided by the present invention, which has a simple structure, is conducive to cost saving, and has a broad and good market prospect.

[0038] Functions and Effects of the Embodiments

[0039] The rotating opening and closing door provided by the present invention comprises a door frame 10 and a door structure 20 arranged on the door frame 10, the door structure 20 comprises a main door 21 and an auxiliary door 22, the auxiliary door 22 is located above the main door 21, the main door 21 is flipped downward to open, and the auxiliary door 22 is flipped upward to open, thereby reducing the passage space occupied after the door is opened, and the main door 21 can form a staircase for passengers to pass through after opening, which is convenient for passengers to go up and down, and meets the requirements of the front door of the aircraft, and the main door 21 and the auxiliary door 22 can be opened inside and outside the door, which is convenient and labor-saving to operate, so that the present invention The rotating opening and closing cabin door occupies a small space, can be easily opened or closed, can facilitate passengers getting on and off, can meet the needs of the front cabin door of the aircraft, can be opened from both inside and outside the cabin door, is easy and labor-saving to operate, and the present invention also provides a cabin door assembly, which is conducive to cost savings and has a broad and good market prospect. The rotating opening and closing cabin door and cabin door assembly provided by the present invention occupy a small space, can be easily opened or closed, can facilitate passengers getting on and off, can meet the needs of the front cabin door of the aircraft, can be opened from both inside and outside the cabin door, is easy and labor-saving to operate, is conducive to cost savings, and has a broad and good market prospect.

[0040] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A rotating opening and closing door, characterized in that: The invention comprises a cabin door frame (10) and a cabin door structure (20) arranged on the cabin door frame (10); the cabin door structure (20) comprises a main cabin door (21) and a secondary cabin door (22).

2. The rotary opening and closing door according to claim 1, characterized in that: The hatch door frame (10) comprises a top beam (11), a bottom beam (12) and a side beam (13); one end of the side beam (13) is connected to the end of the top beam (11), and the other end of the side beam (13) is connected to the bottom beam (12).

3. The rotary opening and closing door according to claim 2, characterized in that: The main cabin door (21) comprises a main cabin door panel (211) and a first hinge (212) arranged on one side of the main cabin door panel (211), wherein the first hinge (212) is connected to the bottom beam (12); the auxiliary cabin door (22) comprises an auxiliary cabin door panel (221) and a second hinge (222) arranged on the auxiliary cabin door panel (221), wherein the second hinge (222) is connected to the top beam (11).

4. The rotary opening and closing door according to claim 3, characterized in that: The main cabin door panel (211) is provided with a supporting rib (213), and the supporting rib (213) is provided with a stair tread (214).

5. The rotary opening and closing door according to claim 4, characterized in that: The invention also comprises a hatch opening buffer structure (30), wherein the hatch opening buffer structure (30) comprises a first buffer unit (31), wherein the first buffer unit (31) comprises a buffer guide rail (311), a slider (312) and a first gas spring (313), wherein two ends of the first gas spring (313) are respectively provided with a first gas spring mounting seat (314) and a second gas spring mounting seat (315), wherein the buffer guide rail (311) is connected to the bottom beam (12), the slider (312) is movably arranged on the buffer guide rail (311), the first gas spring mounting seat (314) is arranged on the slider (312), and the second gas spring mounting seat (315) is arranged on the main hatch door panel (211).

6. The rotary opening and closing door according to claim 5, characterized in that: The hatch opening buffer structure (30) also includes a second buffer unit (32), the second buffer unit (32) includes a second gas spring (321) and a drawstring (322), the two ends of the second gas spring (321) are respectively provided with a third gas spring mounting seat (323) and a fourth gas spring mounting seat (324), the third gas spring mounting seat (323) is arranged on the side beam (13), the fourth gas spring mounting seat (324) is arranged on the supporting rib (213), one end of the drawstring (322) is connected to the fourth gas spring mounting seat (324), the other end of the drawstring (322) is provided with a drawstring mounting seat (325), and the drawstring mounting seat (325) is arranged on the side beam (13).

7. The rotary opening and closing door according to claim 6, characterized in that: The invention also comprises a linkage unit (40), wherein the linkage unit (40) comprises a linkage rod (41), a first linkage rod mounting seat (42) and a second linkage rod mounting seat (43), wherein the first linkage rod mounting seat (42) and the second linkage rod mounting seat (43) are respectively arranged at two ends of the linkage rod (41), the first linkage rod mounting seat (42) is arranged on the main cabin door panel (211), and the second linkage rod mounting seat (43) is arranged on the auxiliary cabin door panel (221).

8. The rotary opening and closing door according to claim 3, characterized in that: The main door panel (211) is provided with a door locking structure (50), the door locking structure (50) comprising an outer handle (51), an inner handle (52), a handle rod (53), a connecting rod seat (54), a first connecting rod (55), a second connecting rod (56), a hinge (57), a hinge seat (58) and a locking unit (59), the outer handle (51) is movably arranged on the main door panel (211), the inner handle (52) is movably arranged on the main door panel (211), the outer handle (51) and the inner handle (52) are movably arranged on the main door panel (211), and the outer handle (51) and the inner handle (52) are movably arranged on the main door panel (211). The handle rod (53) is connected to the outer handle (51) and the inner handle (52), the handle rod (53) is connected to the connecting rod seat (54), one end of the first connecting rod (55) away from the connecting rod seat (54) is connected to the hinge (57), the hinge (57) is movably arranged on the hinge seat (58), the hinge (57) is connected to the locking unit (59), one end of the second connecting rod (56) is connected to the connecting rod seat (54), and the other end of the second connecting rod (56) is connected to the locking unit (59).

9. The rotary opening and closing door according to claim 8, characterized in that: The locking unit (59) comprises a locking rod (591), a guide rod (592), a locking block (593) and a guide seat (594); the guide rod (592) is arranged at the end of the locking rod (591); the guide rod (592) is movably arranged in the guide seat (594); and the locking block (593) is arranged on one end of the guide rod (592) away from the guide seat (594).

10. A hatch door assembly, characterized in that: A rotating opening and closing door comprising any one of claims 1 to 9.

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