Submersible cabin door convenient to open and position

Abstract

The utility model relates to the technical field of submersible cabin doors, and discloses a submersible cabin door convenient to open and position, which comprises a cabin door main body, a lifting handle is arranged on one side of the cabin door main body, a locking handle is arranged between a first cross rod and a second cross rod of the lifting handle, and a first end of the locking handle is rotatably connected with the first cross rod. The second end of the locking handle is connected with the second cross rod in a sliding mode, and the second end of the locking handle is connected with a locking rope. A hinge structure is arranged on the other side of the cabin door main body, the hinge structure comprises a mounting seat, a first arc-shaped swing arm and a second arc-shaped swing arm, and one end of the first arc-shaped swing arm and one end of the second arc-shaped swing arm are fixedly connected with the cabin door main body; according to the cabin door convenient to open and position for the submersible, the problem that the cabin door of the submersible is inconvenient to position in the open state is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of submarine hatches, in particular to a submarine hatch which is easy to open and position. Background Art

[0002] After the hatch of the existing submersible is opened, it needs to be manually operated to maintain the door's open state. The operation is relatively complicated. In an emergency, the complicated operation will delay the escape time and pose a threat to the life safety of the diver. Utility Model Content

[0003] The purpose of the utility model is to provide a hatch of a submersible that is easy to open and position, so as to solve at least one of the above-mentioned problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hatch of a submersible that is easy to open and position, includes a hatch body, a handle is provided on one side of the hatch body, a locking handle is provided between the first cross bar and the second cross bar of the carrying handle, the first end of the locking handle is rotatably connected to the first cross bar, the second end of the locking handle is slidably connected to the second cross bar, and the second end of the locking handle is connected to a locking rope; a hinge structure is provided on the other side of the hatch body, and the hinge structure includes a mounting seat, a first arc-shaped swing arm and a second arc-shaped swing arm, one end of the first arc-shaped swing arm and the second arc-shaped swing arm is fixedly connected to the hatch body, and the other end of the first arc-shaped swing arm and the second arc-shaped swing arm is rotatably connected to the mounting seat via a rotating shaft, and a rotation spring is sleeved on the rotating shaft, and the first arc-shaped swing arm Pin holes are provided on the movable arm and the second arc-shaped swing arm near the door body, and a locking pin is slidably connected in the pin hole. In the initial state, the end of the locking pin extends out of the first arc-shaped swing arm, and a first guide rod and a second guide rod are provided between the first arc-shaped swing arm and the second arc-shaped swing arm. A connecting column is provided on the locking pin, and the connecting column is located between the first guide rod and the second guide rod. The connecting column slides with the first guide rod and the second guide rod, and a spring is provided between the connecting column and the first arc-shaped swing arm. The other end of the locking rope passes through the second arc-shaped swing arm and is connected to the connecting column. A locking pin positioning hole is provided on the mounting seat. When the door body is opened, the end of the locking pin extending out of the first arc-shaped swing arm is inserted into the locking pin positioning hole.

[0006] In this technical solution, the carrying handle is the holding position for opening the hatch. Providing a locking handle at the carrying handle position can greatly reduce the time of secondary operation. The specific operation is that while holding the carrying handle, the locking handle is pressed. The locking handle can pull the locking rope through its sliding end. Since the other end of the locking rope passes through the second arc-shaped swing arm and is connected to the connecting column, the connecting column can be pulled. In the process of pulling the connecting column, since the connecting column is located between the first guide rod and the second guide rod, the connecting column slides with the first guide rod and the second guide rod to realize the moving position of the connecting column. The guide of the connecting column is used to pull the lock pin, so that the end of the lock pin extending from the first arc-shaped swing arm is retracted, until the door body is pushed to the first arc-shaped swing arm and the second arc-shaped swing arm are flipped to the state where the lock pin is aligned with the lock pin positioning hole, and the locking handle is released. At this time, since a spring is provided between the connecting column and the first arc-shaped swing arm, the connecting column, the locking rope and the locking handle will all be reset under the action of the spring, and the lock pin will also move with the movement of the connecting column. At this time, the end of the lock pin extending from the first arc-shaped swing arm will be directly inserted into the lock pin positioning hole, thereby maintaining the opening state of the door body. In summary, the present technical solution only requires pressing or releasing the locking handle while holding the handle to achieve the positioning of the door body in the open state. The operation is simple and provides convenience for opening the door.

[0007] Furthermore, in order to improve the stability of the movement of the locking pin, two guide posts are provided on the locking pin. The guide posts are located between the first guide rod and the second guide rod, and the guide posts are slidably engaged with the first guide rod and the second guide rod.

[0008] Furthermore, in order to provide elastic support and cushion the impact of closing the door, a lower seat is provided at the lower end of the mounting seat, and an elastic rubber is provided between the lower seat and the mounting seat. The mounting seat and the lower seat are fixedly connected by a double-headed external shaft pin, and an elastic rubber column is provided on the upper end of the double-headed external shaft pin.

[0009] Furthermore, in order to facilitate the installation of the first arc-shaped swing arm and the second arc-shaped swing arm, the mounting base includes a connecting plate and a first support plate and a second support plate integrally formed on the connecting plate, and the two ends of the rotating shaft are respectively rotatably connected to the first support plate and the second support plate, and the locking pin positioning hole is arranged on the first support plate.

[0010] Furthermore, in order to better realize the installation of the locking handle, the first end of the locking handle is provided with a first connecting head, the first cross bar is provided with a groove, the first connecting head is located in the groove, the first cross bar is rotatably connected to the first connecting head through a pin shaft, and the second end of the locking handle is provided with a second connecting head, the second cross bar is provided with a slide groove, and the second connecting head is located in the slide groove.

[0011] Furthermore, in order to provide protection for the locking rope, a steel wire tube is also included, one end of the steel wire tube is connected to the second arc-shaped swing arm, and the locking rope passes through both ends of the steel wire tube.

[0012] Furthermore, in order to increase the service life of the locking rope, the locking rope is a steel wire.

[0013] Furthermore, in order to improve the sealing performance of the hatch when it is closed, a hatch sealing ring is provided on the outer periphery of the hatch body.

[0014] Furthermore, an air pressure switch and a one-way valve are provided in the hatch. The hatch can be opened by simply turning on the air pressure switch, balancing the internal and external pressures, and then rotating the inner turntable or the outer turntable.

[0015] Furthermore, the door body is formed by integral die-casting of ZL101A aluminum alloy, so that the door body has higher pressure resistance and lower cost.

[0016] The beneficial effects of the present invention are as follows: in the present technical solution, the carrying handle is the holding position for opening the hatch door, and a locking handle is provided at the carrying handle position, which can greatly reduce the time of secondary operation. The specific operation is that while holding the carrying handle, the locking handle is pressed, and the locking handle can pull the locking rope through its sliding end. Since the other end of the locking rope passes through the second arc-shaped swing arm and is connected to the connecting column, the connecting column can be pulled. In the process of pulling the connecting column, since the connecting column is located between the first guide rod and the second guide rod, the connecting column slides with the first guide rod and the second guide rod to realize The connecting column guides the moving position, and then the locking pin is pulled through the connecting column, so that the end of the locking pin extending from the first arc-shaped swing arm is retracted, until the hatch body is pushed to the first arc-shaped swing arm and the second arc-shaped swing arm are flipped to the state where the locking pin is aligned with the locking pin positioning hole, and the locking handle is released. At this time, since a spring is provided between the connecting column and the first arc-shaped swing arm, the connecting column, the locking rope and the locking handle will all be reset under the action of the spring, and the locking pin will also move with the movement of the connecting column. At this time, the end of the locking pin extending from the first arc-shaped swing arm will be directly inserted into the locking pin positioning hole, thereby maintaining the opening state of the hatch body. In summary, this technical solution only requires pressing or releasing the locking handle while holding the handle to achieve the positioning of the hatch body in the open state. The operation is simple and provides convenience for opening the hatch. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of the utility model from the first perspective;

[0018] Figure 2 for Figure 1 Schematic diagram of the local enlarged structure at A in the middle;

[0019] Figure 3 This is a schematic structural diagram of the utility model from a second viewing angle;

[0020] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at B in the middle;

[0021] Figure 5 It is a structural schematic diagram of the inner side of the main body of the middle hatch door of the present invention.

[0022] In the figure: hatch body 1; handle 2; first cross bar 3; second cross bar 4; locking handle 5; locking rope 6; mounting base 7; first arc-shaped swing arm 8; second arc-shaped swing arm 9; rotating shaft 10; rotating spring 11; pin hole 12; locking pin 13; first guide rod 14; second guide rod 15; connecting column 16; spring 17; locking pin positioning hole 18; guide column 19; lower seat 20; elastic rubber 21; double-headed external shaft pin 22; elastic rubber column 23; first support plate 24; second support plate 25; groove 26; pin shaft 27; slide groove 28; steel wire tube 29; hatch seal 30; air pressure switch 31; one-way valve 32. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in conjunction with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structures of the drawings is only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0024] Example 1:

[0025] like Figure 1-Figure 5As shown, this embodiment provides a hatch of a submersible that is easy to open and position, including a hatch body 1, a handle 2 is provided on one side of the hatch body 1, a locking handle 5 is provided between the first cross bar 3 and the second cross bar 4 of the handle 2, the first end of the locking handle 5 is rotatably connected to the first cross bar 3, the second end of the locking handle 5 is slidably connected to the second cross bar 4, and the second end of the locking handle 5 is connected to a locking rope 6; a hinge structure is provided on the other side of the hatch body 1, the hinge structure includes a mounting seat 7, a first arc-shaped swing arm 8 and a second arc-shaped swing arm 9, one end of the first arc-shaped swing arm 8 and the second arc-shaped swing arm 9 are fixedly connected to the hatch body 1, and the other end of the first arc-shaped swing arm 8 and the second arc-shaped swing arm 9 are rotatably connected to the mounting seat 7 through a rotating shaft 10, and a rotation spring 11 is sleeved on the rotating shaft 10. A pin hole 12 is provided on the arc-shaped swing arm 9 near the hatch body 1, and a lock pin 13 is slidably connected in the pin hole 12. In the initial state, the end of the lock pin 13 extends out of the first arc-shaped swing arm 8, and a first guide rod 14 and a second guide rod 15 are provided between the first arc-shaped swing arm 8 and the second arc-shaped swing arm 9. A connecting column 16 is provided on the lock pin 13, and the connecting column 16 is located between the first guide rod 14 and the second guide rod 15. The connecting column 16 slides with the first guide rod 14 and the second guide rod 15, and a spring 17 is provided between the connecting column 16 and the first arc-shaped swing arm 8. The other end of the locking rope 6 passes through the second arc-shaped swing arm 9 and is connected to the connecting column 16. A lock pin positioning hole 18 is provided on the mounting seat 7. When the hatch body 1 is opened, the end of the lock pin 13 extends out of the first arc-shaped swing arm 8 and is inserted into the lock pin positioning hole 18.

[0026] In this technical solution, the handle 2 is the hand-held position for opening the hatch. If a locking handle 5 is provided at the position of the handle 2, the time for secondary operation can be greatly reduced. The specific operation is that while holding the handle 2, the locking handle 5 is pressed. The locking handle 5 can pull the locking rope 6 through its sliding end. Since the other end of the locking rope 6 passes through the second arc-shaped swing arm 9 and is connected to the connecting column 16, the connecting column 16 can be pulled. In the process of pulling the connecting column 16, since the connecting column 16 is located between the first guide rod 14 and the second guide rod 15, the connecting column 16 slides with the first guide rod 14 and the second guide rod 15, and the moving position of the connecting column 16 can be guided. Then, the lock pin 13 is pulled by the connecting column 16, so that the end of the lock pin 13 extending out of the first arc-shaped swing arm 8 is retracted, until the door body 1 is pushed to the first arc-shaped swing arm 8 and the second arc-shaped swing arm 9 to flip to the state where the lock pin 13 is aligned with the lock pin positioning hole 18, and the locking handle 5 is released. At this time, since a spring 17 is provided between the connecting column 16 and the first arc-shaped swing arm 8, the connecting column 16, the locking rope 6 and the locking handle 5 will all be reset under the action of the spring 17, and the lock pin 13 will also move with the movement of the connecting column 16. At this time, the end of the lock pin 13 extending out of the first arc-shaped swing arm 8 will be directly inserted into the lock pin positioning hole 18, thereby maintaining the open state of the door body 1. In summary, the present technical solution only requires pressing or releasing the locking handle 5 while holding the handle 2 to achieve the positioning of the door body 1 in the open state. The operation is simple and provides convenience for opening the door.

[0027] Example 2:

[0028] This embodiment is optimized based on the above embodiment 1.

[0029] In order to improve the stability of the movement of the locking pin 13 , two guide posts 19 are provided on the locking pin 13 . The guide posts 19 are located between the first guide rod 14 and the second guide rod 15 , and the guide posts 19 are slidably engaged with the first guide rod 14 and the second guide rod 15 .

[0030] Example 3:

[0031] This embodiment is optimized based on the above embodiment 1.

[0032] In order to provide elastic support and cushion the impact of closing the door, a lower seat 20 is provided at the lower end of the mounting seat 7, and an elastic rubber 21 is provided between the lower seat 20 and the mounting seat 7. The mounting seat 7 and the lower seat 20 are fixedly connected by a double-headed external shaft pin 22, and an elastic rubber column 23 is provided on the upper end of the double-headed external shaft pin 22.

[0033] Example 4:

[0034] This embodiment is optimized based on the above embodiment 1.

[0035] In order to facilitate the installation of the first arc-shaped swing arm 8 and the second arc-shaped swing arm 9, the mounting base 7 includes a connecting plate and a first support plate 24 and a second support plate 25 integrally formed on the connecting plate. The two ends of the rotating shaft 10 are rotatably connected to the first support plate 24 and the second support plate 25 respectively, and the locking pin positioning hole 18 is set on the first support plate 24.

[0036] Example 5:

[0037] This embodiment is optimized based on the above-mentioned embodiment 4.

[0038] In order to better realize the installation of the locking handle 5, a first connector is provided at the first end of the locking handle 5, a groove 26 is provided on the first cross bar 3, the first connector is located in the groove 26, the first cross bar 3 is rotatably connected to the first connector through a pin shaft 27, and a second connector is provided at the second end of the locking handle 5, a slide groove 28 is provided on the second cross bar 4, and the second connector is located in the slide groove 28.

[0039] Example 6:

[0040] This embodiment is optimized based on the above embodiment 1.

[0041] In order to provide protection for the locking rope 6 , a steel wire tube 29 is also included. One end of the steel wire tube 29 is connected to the second arc-shaped swing arm 9 , and the locking rope 6 passes through both ends of the steel wire tube 29 .

[0042] Example 7:

[0043] This embodiment is optimized based on the above embodiment 6.

[0044] In order to increase the service life of the locking rope 6, the locking rope 6 is a steel wire.

[0045] Example 8:

[0046] This embodiment is optimized based on the above embodiment 1.

[0047] In order to improve the sealing performance of the hatch when it is closed, a hatch sealing ring 30 is provided on the outer periphery of the hatch body 1 .

[0048] Example 9:

[0049] This embodiment is optimized based on the above embodiment 1.

[0050] An air pressure switch 31 and a one-way valve 32 are provided inside the hatch. The hatch can be opened by simply turning on the air pressure switch 31, balancing the internal and external pressures, and then rotating the inner or outer turntable.

[0051] Example 10:

[0052] This embodiment is optimized based on the above embodiment 1.

[0053] The door body 1 is made of ZL101A aluminum alloy in one-piece die-casting, which makes the door body 1 have high pressure resistance and low cost.

[0054] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A hatch of a submersible that is easy to open and position, characterized in that: The cam is connected to the second end of the lifting link, and the second end of the lifting link is connected to the first end of the lifting link, and the second end of the lifting link is connected to the second end of the lifting link. A pin hole is provided on the movable arm near the door body, and a locking pin is slidably connected in the pin hole. In the initial state, the end of the locking pin extends out of the first arc-shaped swing arm, and a first guide rod and a second guide rod are provided between the first arc-shaped swing arm and the second arc-shaped swing arm. A connecting column is provided on the locking pin, and the connecting column is located between the first guide rod and the second guide rod. The connecting column slides with the first guide rod and the second guide rod, and a spring is provided between the connecting column and the first arc-shaped swing arm. The other end of the locking rope passes through the second arc-shaped swing arm and is connected to the connecting column. A locking pin positioning hole is provided on the mounting seat. When the door body is opened, the end of the locking pin extending out of the first arc-shaped swing arm is inserted into the locking pin positioning hole.

2. The submersible hatch for facilitating opening and positioning according to claim 1, characterized in that: The locking pin is provided with two guide posts, the guide posts are located between the first guide rod and the second guide rod, and the guide posts are in sliding cooperation with the first guide rod and the second guide rod.

3. The hatch of a submersible that is easy to open and position according to claim 1, characterized in that: A lower seat is provided at the lower end of the mounting seat, an elastic rubber is provided between the lower seat and the mounting seat, the mounting seat and the lower seat are fixedly connected by a double-headed external tooth shaft pin, and an elastic rubber column is provided on the upper end of the double-headed external tooth shaft pin.

4. The submersible hatch for facilitating opening and positioning according to claim 1, characterized in that: The mounting base includes a connecting plate and a first support plate and a second support plate integrally formed on the connecting plate. The two ends of the rotating shaft are rotatably connected to the first support plate and the second support plate respectively, and the locking pin positioning hole is set on the first support plate.

5. The hatch of a submersible that is easy to open and position according to claim 4, characterized in that: The first end of the locking handle is provided with a first connecting head, the first cross bar is provided with a groove, the first connecting head is located in the groove, the first cross bar is rotatably connected to the first connecting head through a pin shaft, the second end of the locking handle is provided with a second connecting head, the second cross bar is provided with a slide groove, and the second connecting head is located in the slide groove.

6. The hatch of a submersible that is easy to open and position according to claim 1, characterized in that: It also includes a steel wire tube, one end of which is connected to the second arc-shaped swing arm, and the locking rope passes through both ends of the steel wire tube.

7. The hatch of a submersible that is easy to open and position according to claim 6, characterized in that: The locking rope is a steel wire.

8. The hatch of a submersible that is easy to open and position according to claim 1, characterized in that: A hatch sealing ring is provided on the outer periphery of the hatch body.

9. The submersible hatch for facilitating opening and positioning according to claim 1, characterized in that: An air pressure switch and a one-way valve are arranged in the hatch.

10. The submersible hatch for facilitating opening and positioning according to claim 1, characterized in that: The door body is formed by integral die-casting of ZL101A aluminum alloy.

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