阅读说明：本技术 一种空气增压舱的外开门结构 (Outward opening door structure of air pressurizing cabin ) 是由 蒋祥玉 孙茂旭 张晓峰 张鹏 孙丁群 于 2019-11-01 设计创作，主要内容包括：本发明涉及一种空气增压舱的外开门结构,设有围栏体和门体,围栏体的内侧形成有第一扣合部,门体的边缘形成有第二扣合部,围栏体通过第一扣合部与门体边缘的第二扣合部扣合；第一扣合部和第二扣合部的接触面上填充有充气密封圈,围栏体上设有充气孔,充气孔连通充气密封圈；门体的中心设有旋转部,旋转部的外侧连接有门铰架,门铰架的一侧向外延伸至围栏体的边缘,门铰架和围栏体的连接处设有铰接部,门体通过门铰架沿远离围栏体的外侧方向转动。本发明在舱内空间有限不适合安置内开门的情况下实现增压舱的外开门,不但密封效果良好,而且舱内外开关轻便,采用旋转式扣合结构,使用时只需治疗人员本人旋转相应的把手即可,操作简单。(The invention relates to an outward opening door structure of an air pressurizing cabin, which is provided with a fence body and a door body, wherein a first buckling part is formed on the inner side of the fence body, a second buckling part is formed on the edge of the door body, and the fence body is buckled with the second buckling part on the edge of the door body through the first buckling part; the contact surfaces of the first buckling part and the second buckling part are filled with inflatable sealing rings, and the fence body is provided with inflatable holes which are communicated with the inflatable sealing rings; the center of the door body is equipped with the rotating part, and the outside of rotating part is connected with the door hinge frame, and one side of door hinge frame outwards extends to the edge of the rail body, and the junction of door hinge frame and rail body is equipped with articulated portion, and the door body passes through the door hinge frame and rotates along the outside direction of keeping away from the rail body. The invention realizes the outward opening of the pressurizing cabin under the condition that the space in the cabin is limited and the inward opening door is not suitable for being arranged, has good sealing effect, is light and convenient for opening and closing the cabin, adopts a rotary buckling structure, only needs a treating person to rotate a corresponding handle when in use, and has simple operation.)

1. The outward opening door structure of the air pressurization cabin is characterized by comprising a fence body (1) and a door body (2), wherein a first buckling part (3) is formed on the inner side of the fence body (1), a second buckling part (4) is formed on the edge of the door body (2), and the fence body (1) is buckled with the second buckling part (4) on the edge of the door body (2) through the first buckling part (3); an inflation sealing ring (5) is filled on the contact surface of the first buckling part (3) and the second buckling part (4), an inflation hole (6) is formed in the fence body (1), and the inflation hole (6) is communicated with the inflation sealing ring (5);

the center of the door body (2) is equipped with rotating part (7), the outside of rotating part (7) is connected with door hinge frame (8), one side of door hinge frame (8) outwards extends to the edge of the enclosure body (1), and the junction of door hinge frame (8) and enclosure body (1) is equipped with articulated portion (9), and the door body (2) passes through door hinge frame (8) are along keeping away from the outside direction of enclosure body (1) rotates.

2. The structure of the outward opening door of the air pressurizing cabin according to claim 1, wherein an outer handle (18) is arranged on one side of the door body (2), and the outer handle (18) is fixedly connected with the outer side of the door body (2); the other side of the door body (2) is provided with an inner handle (19), and the inner handle (19) is connected with the rotating part (7).

3. The structure of the outward opening door of the air pressurizing room as set forth in claim 1, wherein the rotary part (7) comprises an inner fixing base (10), a first shaft seat (11), a shaft sleeve (12), a first needle bearing (13), a door shaft (14), an O-ring (15), a circlip for first shaft (16) and a circlip for first hole (17); the inner fixing seat (10) is connected to one end of the first shaft seat (11), the shaft sleeve (12) is arranged on the inner side of the first shaft seat (11), and the first needle roller bearing (13) is arranged between the shaft sleeve (12) and the door shaft (14); the O-shaped sealing ring (15) is arranged between the contact surfaces of the inner fixed seat (10) and the first shaft seat (11); the first shaft elastic retainer ring (16) is connected to the periphery of one end of the door shaft (14); the first hole circlip (17) is positioned inside the first shaft base (11), and the first hole circlip (17) is nested on the periphery of the door shaft (14).

4. The structure of the outwardly opening door of the air pressurizing compartment as claimed in claim 3, wherein the inner holder (10) is provided with a protrusion (20), and the inner holder (10) is connected with an inner handle (19) through the protrusion (20).

5. The structure of the outward opening door of the air pressurizing cabin according to claim 3, wherein the outer end of the door shaft (14) extends outwards to form an end cover (21), and a door hinge frame (8) is connected between the end cover (21) and the door body (2).

6. The structure of opening the door outward of an air booster compartment as claimed in claim 1, wherein said door hinge frame (8) comprises an annular portion (22) and a fan-shaped portion (23), said annular portion (22) is connected to said rotary portion (7), said annular portion (22) extends outward to form said fan-shaped portion (23), and the end of said fan-shaped portion (23) is rotatably connected to said enclosure body (1) through said hinge portion (9).

7. The structure of opening an air pressure compartment as claimed in claim 6, wherein the line of symmetry of the fan-shaped portion (23) overlaps with the line of symmetry of the door body (2) in the horizontal direction.

8. The structure of opening the door outward of an air booster compartment as claimed in claim 1, wherein said hinge portion (9) comprises a hinge shaft (28), a second needle bearing (29), a second bearing seat (30), a hinge seat (31), a second circlip (32) for a second shaft, and a second circlip (33) for a second hole; the hinge shaft (28) is arranged on the inner side of the second shaft seat (30), the second needle roller bearing (29) is arranged between the hinge shaft (28) and the hinge seat (31), the second circlip (32) for the second shaft is arranged at one end of the hinge shaft (28), the second circlip (32) for the second shaft is nested on the periphery of the hinge shaft (28), and the second circlip (33) for the hole is arranged between the contact surfaces of the second shaft seat (30) and the hinge seat (31).

9. The structure of the outwardly opening door of the air pressurizing compartment as claimed in claim 1, wherein the first engaging portion (3) comprises a first blocking portion (24) and a first hollowed portion (25), and the first blocking portion (24) and the first hollowed portion (25) are alternately arranged; the second buckling part (4) comprises a second blocking part (26) and a second hollow part (27), and the second blocking part (26) and the second hollow part (27) are alternately arranged.

10. The structure of claim 9, wherein the second blocking portion (26) is rotated to enter below the first blocking portion (24) and the first hollowed portion (25) and the second hollowed portion (27) are aligned to block the opening of the door (2);

the second blocking part (26) rotates to enter the first hollow part (25) and enables the first blocking part (24) to rotate to enter the second hollow part (27) to allow the door body (2) to be opened.

Technical Field

The invention relates to an outward opening door structure, in particular to an outward opening door structure of an air pressurizing cabin.

Background

The hyperbaric oxygen chamber is a novel device in the medical technical field in recent years, a chamber body of the hyperbaric oxygen chamber is a closed cylinder, pure oxygen or purified compressed air is input through a pipeline and a control system, oxygen dissolved in blood in the hyperbaric oxygen chamber is increased along with the increase of the pressure of the hyperbaric oxygen chamber, a doctor outside the hyperbaric oxygen chamber can be in contact with a patient through an observation window and an interphone, and the large oxygen chamber is provided with 10-20 seats.

Along with the improvement of people's standard of living continuously, miniaturized air pressure boost cabin becomes a potential demand in market, and traditional bulky air pressure boost cabin can convenient installation in-opening door structure, but to the less equipment of inner space volume, the under-deck space is limited, can't install in-opening door, must design an outward opening door structure for air pressure boost cabin to still need to solve outward opening door structure's sealed problem. In addition, the conventional in-opening door is not convenient for the user to perform opening and closing operations by himself, and usually can be operated by a professional, because the opening and closing of the out-opening door structure is also a problem to be considered.

Disclosure of Invention

The invention aims to provide an outward opening door structure of an air pressurizing cabin, which realizes outward opening of the air pressurizing cabin and solves the problems of sealing and inconvenience in operation of the outward opening door.

The technical scheme for solving the technical problems is as follows: an outward opening door structure of an air pressurizing cabin comprises a fence body and a door body, wherein a first buckling part is formed on the inner side of the fence body, a second buckling part is formed on the edge of the door body, and the fence body is buckled with the second buckling part on the edge of the door body through the first buckling part; the contact surface of the first buckling part and the second buckling part is filled with an inflatable sealing ring, an inflatable hole is arranged on the fence body, and the inflatable hole is communicated with the inflatable sealing ring;

the center of the door body is provided with a rotating part, the outer side of the rotating part is connected with a door hinge frame, one side of the door hinge frame outwards extends to the edge of the fence body, a hinge part is arranged at the joint of the door hinge frame and the fence body, and the door body rotates along the direction of the outer side of the fence body through the door hinge frame.

As a preferred scheme of an outward opening door structure of the air pressurizing cabin, an outer handle is arranged on one side of the door body and fixedly connected with the outer side of the door body; the other side of the door body is provided with an inner handle, and the inner handle is connected with the rotating part.

As a preferable scheme of the outward opening door structure of the air pressurizing cabin, the rotating part comprises an inner fixed seat, a first shaft seat, a shaft sleeve, a first needle bearing, a door shaft, an O-shaped sealing ring, an elastic retainer ring for the first shaft and an elastic retainer ring for the first hole; the inner fixing seat is connected to one end of the first shaft seat, the shaft sleeve is arranged on the inner side of the first shaft seat, and the first needle roller bearing is arranged between the shaft sleeve and the door shaft; the O-shaped sealing ring is arranged between the contact surfaces of the inner fixed seat and the first shaft seat; the first shaft is connected to the periphery of one end of the door shaft through an elastic retainer ring; the first hole circlip is positioned in the first shaft base, and the first hole circlip is nested on the periphery of the door shaft.

As the preferable scheme of the outward opening door structure of the air pressurizing cabin, the inner fixed seat is provided with a bulge, and the inner fixed seat is connected with an inner handle through the bulge.

As a preferable scheme of the outward opening door structure of the air pressurizing cabin, the outer end of the door shaft extends outwards to form an end cover, and a door hinge frame is connected between the end cover and the door body.

As a preferable scheme of the outward opening door structure of the air pressurizing cabin, the door hinge frame comprises an annular part and a fan-shaped part, the annular part is connected with the rotating part, the annular part extends outwards to form the fan-shaped part, and the tail end of the fan-shaped part is rotatably connected with the fence body through the hinge part.

As a preferable aspect of the outward opening door structure of the air pressurizing compartment, a symmetrical line of the fan-shaped portion overlaps a symmetrical line of the door body in the horizontal direction.

As a preferable scheme of the outward opening door structure of the air pressurizing cabin, the hinge part comprises a hinge shaft, a second needle bearing, a second shaft seat, a hinge seat, a circlip for a second shaft and a circlip for a second hole; the hinge shaft is arranged on the inner side of the second shaft seat, the second needle roller bearing is arranged between the hinge shaft and the hinge seat, the elastic check ring for the second shaft is arranged at one end of the hinge shaft, the elastic check ring for the second shaft is nested on the periphery of the hinge shaft, and the elastic check ring for the second hole is arranged between contact surfaces of the second shaft seat and the hinge seat.

As a preferable scheme of the outward opening door structure of the air pressurization cabin, the first buckling part comprises a first blocking part and a first hollow part, and the first blocking part and the first hollow part are alternately arranged; the second buckling part comprises a second blocking part and second hollowed parts, and the second blocking part and the second hollowed parts are alternately arranged.

As a preferred scheme of an outward opening door structure of the air pressurizing cabin, the second blocking part rotates to enter the position below the first blocking part, and the first hollowed part and the second hollowed part are aligned to block the opening of the door body;

the second blocking part rotates to enter the first hollow part and enables the first blocking part to rotate to enter the second hollow part to allow the door body to be opened.

The invention is provided with a fence body and a door body, wherein a first buckling part is formed on the inner side of the fence body, a second buckling part is formed on the edge of the door body, and the fence body is buckled with the second buckling part on the edge of the door body through the first buckling part; the contact surfaces of the first buckling part and the second buckling part are filled with inflatable sealing rings, and the fence body is provided with inflatable holes which are communicated with the inflatable sealing rings; the center of the door body is equipped with the rotating part, and the outside of rotating part is connected with the door hinge frame, and one side of door hinge frame outwards extends to the edge of the rail body, and the junction of door hinge frame and rail body is equipped with articulated portion, and the door body passes through the door hinge frame and rotates along the outside direction of keeping away from the rail body. The invention realizes the outward opening of the pressurizing cabin under the condition that the space in the cabin is limited and the inward opening door is not suitable for being arranged, has good sealing effect, is light and convenient for opening and closing the cabin, adopts a rotary buckling structure, only needs a treating person to rotate a corresponding handle when in use, and has simple operation.

Drawings

FIG. 1 is a schematic view of an open-out door configuration of an air plenum provided in an embodiment of the present invention;

FIG. 2 is a sectional view of an outwardly opening door configuration of an air plenum provided in an embodiment of the present invention;

FIG. 3 is an enlarged view of a hinge portion in an outwardly opening door structure of an air plenum provided in an embodiment of the present invention;

FIG. 4 is an enlarged fragmentary view of a rotating portion of an outwardly opening door configuration of an air plenum provided in an embodiment of the present invention;

fig. 5 is a partially enlarged view of a snap-fit portion in a sectional view of an outwardly opening door structure of an air supercharger provided in an embodiment of the present invention.

In the figure, 1, a fence body; 2. a door body; 3. a first buckling part; 4. a second fastening part; 5. an inflatable seal ring; 6. an inflation hole; 7. a rotating part; 8. a door hinge bracket; 9. a hinge portion; 10. an inner fixed seat; 11. a first shaft seat; 12. a shaft sleeve; 13. a first needle bearing; 14. a door shaft; 15. an O-shaped sealing ring; 16. a circlip for the first shaft; 17. a circlip for the first hole; 18. an outer handle; 19. an inner handle; 20. a protrusion; 21. an end cap; 22. an annular portion; 23. a sector portion; 24. a first blocking portion; 25. a first hollowed-out portion; 26. a second blocking portion; 27. a second hollowed-out portion; 28. hinging a shaft; 29. a second needle bearing; 30. a second shaft base; 31. a hinge mount; 32. a circlip for the second shaft; 33. the second hole is provided with a circlip.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2, an outward opening door structure of an air pressurizing cabin is provided, which includes a fence body 1 and a door body 2, wherein a first buckling part 3 is formed at an inner side of the fence body 1, a second buckling part 4 is formed at an edge of the door body 2, and the fence body 1 is buckled with the second buckling part 4 at the edge of the door body 2 through the first buckling part 3; the contact surface of the first buckling part 3 and the second buckling part 4 is filled with an inflatable sealing ring 5, an inflatable hole 6 is formed in the fence body 1, and the inflatable hole 6 is communicated with the inflatable sealing ring 5. The center of the door body 2 is provided with a rotating part 7, the outer side of the rotating part 7 is connected with a door hinge frame 8, one side of the door hinge frame 8 extends outwards to the edge of the fence body 1, a hinge part 9 is arranged at the joint of the door hinge frame 8 and the fence body 1, and the door body 2 rotates along the direction far away from the outer side of the fence body 1 through the door hinge frame 8.

The inflation hole 6 can be used for placing an inflation nozzle, and the inflation sealing ring 5 is inflated through the inflation nozzle to seal the door body 2. The rotation portion 7 is used to drive the door body 2 to rotate, thereby rotatably engaging or disengaging the first engaging portion 3 and the second engaging portion 4. The door hinge frame 8 drives the door body 2 to open and close.

Referring to fig. 4, specifically, the rotating portion 7 includes an inner fixing seat 10, a first shaft seat 11, a shaft sleeve 12, a first needle bearing 13, a door shaft 14, an O-ring 15, a first shaft circlip 16, and a first hole circlip 17; the inner fixing seat 10 is connected to one end of the first shaft seat 11, the shaft sleeve 12 is arranged on the inner side of the first shaft seat 11, and the first needle bearing 13 is arranged between the shaft sleeve 12 and the door shaft 14; the O-shaped sealing ring 15 is arranged between the contact surfaces of the inner fixed seat 10 and the first shaft seat 11; the first shaft circlip 16 is connected to the periphery of one end of the door shaft 14; the first circlip 17 for hole is located inside the first shaft seat 11, and the first circlip 17 for hole is nested on the periphery of the door shaft 14.

In one embodiment of the outward opening door structure of the air pressurization cabin, an outer handle 18 is arranged on one side of the door body 2, and the outer handle 18 is fixedly connected with the outer side of the door body 2; the other side of the door body 2 is provided with an inner handle 19, and the inner handle 19 is connected with the rotating part 7. The inner fixing seat 10 is provided with a protrusion 20, and the inner fixing seat 10 is connected with an inner handle 19 through the protrusion 20. The outer end of the door shaft 14 extends outwards to form an end cover 21, and a door hinge frame 8 is connected between the end cover 21 and the door body 2.

Specifically, the inner handle 19 is fixed through the inner fixing seat 10, the first shaft seat 11 and the first needle bearing 13 realize the fixation of the door spindle 14, the shaft sleeve 12 realizes the limiting effect on the door spindle 14, the O-shaped sealing ring 15 seals the door spindle 14, and the elastic check ring 16 for the first shaft and the elastic check ring 17 for the first hole realize the limiting of the first needle bearing 13.

In one embodiment of the outward opening door structure of the air pressurizing room, the door hinge frame 8 includes an annular portion 22 and a sector portion 23, the annular portion 22 is connected to the rotating portion 7, the annular portion 22 extends outward to form the sector portion 23, and the end of the sector portion 23 is rotatably connected to the enclosure body 1 through the hinge portion 9. The symmetry line of the sector portion 23 overlaps with the horizontal symmetry line of the door body 2. The design of the annular part 22 is convenient for sleeving the door hinge frame 8 with the door shaft 14 of the rotating part 7, and the design of the fan-shaped part 23 is convenient for installing the hinge parts 9 in the vertically symmetrical area at one side of the fence body 1, so that the stability of the opening and closing process of the door body 2 is ensured.

Specifically, the fence body 1 and the door body 2 are made of aluminum alloy main body materials, so that the weight is greatly reduced in structure, and the weight can be greatly reduced in material selection. The aluminum alloy material has good tensile strength, no toxicity and good static elimination. The buckling part adopts a tooth-meshed rotating structure, and only a treating person needs to rotate a corresponding handle during use, so that the operation is simple.

With auxiliary reference to fig. 1 and 5, specifically, the first buckling part 3 includes a first blocking portion 24 and a first hollow portion 25, and the first blocking portion 24 and the first hollow portion 25 are alternately arranged; the second fastening part 4 comprises a second blocking part 26 and a second hollow part 27, wherein the second blocking part 26 and the second hollow part 27 are alternately arranged. The second blocking part 26 rotates to enter below the first blocking part 24, and the first hollowed part 25 and the second hollowed part 27 are aligned to block the opening of the door body 2; the second blocking portion 26 rotates to enter the first hollow portion 25 and the first blocking portion 24 rotates to enter the second hollow portion 27, so that the door body 2 can be opened.

With additional reference to fig. 3, in one embodiment of the outward opening door structure of the air pressurizing compartment, the hinge portion 9 includes a hinge shaft 28, a second needle bearing 29, a second shaft mount 30, a hinge mount 31, a second shaft circlip 32, and a second hole circlip 33; the hinge shaft 28 is disposed inside the second shaft holder 30, the second needle bearing 29 is disposed between the hinge shaft 28 and the hinge holder 31, the second circlip 32 is disposed at one end of the hinge shaft 28, the second circlip 32 is nested on the periphery of the hinge shaft 28, and the second circlip 33 is disposed between contact surfaces of the second shaft holder 30 and the hinge holder 31. The hinge shaft 28 is used for rotating the door body 2 in the opening or closing process, the second needle roller bearing 29 fixes the hinge shaft 28, the second shaft seat 30 is used for limiting the second needle roller bearing 29, the hinge seat 31 is used for limiting the whole hinge frame, and meanwhile, the hinge seat 31 also limits the second needle roller bearing 29 and the second shaft seat 30 which are positioned at the inner side of the hinge seat 31.

The invention is provided with a fence body 1 and a door body 2, wherein a first buckling part 3 is formed on the inner side of the fence body 1, a second buckling part 4 is formed on the edge of the door body 2, and the fence body 1 is buckled with the second buckling part 4 on the edge of the door body 2 through the first buckling part 3; the contact surface of the first buckling part 3 and the second buckling part 4 is filled with an inflatable sealing ring 5, the fence body 1 is provided with an inflatable hole 6, and the inflatable hole 6 is communicated with the inflatable sealing ring 5; the center of the door body 2 is provided with a rotating part 7, the outer side of the rotating part 7 is connected with a door hinge frame 8, one side of the door hinge frame 8 extends outwards to the edge of the fence body 1, a hinge part 9 is arranged at the joint of the door hinge frame 8 and the fence body 1, and the door body 2 rotates along the outer side direction far away from the fence body 1 through the door hinge frame 8. When the invention is used, the outer handle 18 is rotated to open the door, the treating personnel enters the door, the door is closed, the inner handle 19 is rotated to close the door body 2, the inflation sealing ring 5 is inflated to corresponding pressure through the inflation nozzle in the inflation hole 6, the pressure is applied in the cabin, and the treatment starts; and (3) after the treatment is finished, reducing the pressure in the cabin to the normal pressure, deflating the inflatable sealing ring 5, rotating the inner handle 19, enabling the personnel in the cabin to go out, and rotating the outer handle 18 to close the door body 2. The invention realizes the outward opening of the pressurizing cabin under the condition that the space in the cabin is limited and the inward opening door is not suitable for being arranged, has good sealing effect, is light and convenient for opening and closing the cabin, adopts a rotary buckling structure, only needs a treating person to rotate a corresponding handle when in use, and has simple operation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.