CN114150947A - Rotary telescopic cabin door locking device - Google Patents
Rotary telescopic cabin door locking device Download PDFInfo
- Publication number
- CN114150947A CN114150947A CN202111427189.9A CN202111427189A CN114150947A CN 114150947 A CN114150947 A CN 114150947A CN 202111427189 A CN202111427189 A CN 202111427189A CN 114150947 A CN114150947 A CN 114150947A
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- China
- Prior art keywords
- cabin door
- door
- rotary
- limiting block
- cabin
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Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/06—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars
- E05C9/063—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with three or more sliding bars extending along three or more sides of the wing or frame
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses a rotary telescopic cabin door locking device, which belongs to the technical field of diving equipment and comprises a cabin door and a hinged support, wherein the cabin door is hinged on a door fence through the hinged support, the rotary telescopic cabin door locking device also comprises a cabin door penetrating piece and a rotary sealing mechanism, the cabin door penetrating piece is arranged at the circle center of a circular cabin door, the cabin door penetrating piece penetrates through the cabin door, a nylon sleeve is arranged in the cabin door penetrating piece, a rotary bearing is arranged in the nylon sleeve, a locking nut is arranged at one end of the rotary bearing, the rotary sealing mechanism is arranged on one side surface of the cabin door, and the rotary bearing drives the rotary sealing mechanism to rotate and seal the cabin door. The cabin door of the invention adopts a six-claw rotary telescopic locking mechanism, and the connecting rod is operated by a special spanner to drive the sliding rod to extend into the locking chute, thereby realizing sealing, and the cabin door can be opened and closed in and out of the cabin. The cabin door locking mechanism overcomes the defects of the traditional cabin door sealing structure, has lower assembly requirements, and can pre-tighten the cabin door under normal pressure.
Description
Technical Field
The invention relates to the technical field of diving equipment, in particular to a rotary telescopic cabin door locking device.
Background
A diver needs to take a saturated diving chamber to enter a water area with a preset depth in saturated diving, the diving chamber is provided with a chamber door for the diver to go in and out, a traditional chamber door sealing structure is composed of a chamber door plate and a sealing ring, the sealing ring is installed in a sealing groove of a chamber door fence, the door plate is attached to the sealing ring, and when the chamber is pressurized, the door plate compresses the sealing ring to realize sealing. The sealing structure can not realize pre-tightening under normal pressure, and has potential safety hazards when the two sides of the sealing structure are simultaneously pressed to use in the cabin.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotary telescopic cabin door locking device, which adopts a six-claw rotary telescopic locking mechanism, can realize pre-tightening of a cabin door under normal pressure, and can open and close the cabin door in and out of a cabin.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a rotatory telescopic hatch door locking device, includes hatch door and free bearing, the hatch door articulates on the door rail through the free bearing, still includes hatch door through-going member and rotary sealing mechanism, the hatch door through-going member sets up the centre of a circle department at circular hatch door, and the hatch door through-going member runs through the hatch door, sets up the nylon cover in the hatch door through-going member, sets up swivel bearing in the nylon cover, and swivel bearing's one end sets up lock nut, rotary sealing mechanism sets up a side at the hatch door, and swivel bearing drives rotary sealing mechanism rotatory and seal the hatch door.
Preferably, the rotating bearing comprises an upper bearing and a lower bearing, one end of the upper bearing is locked by a locking nut, and the other end of the upper bearing is connected with the lower bearing.
Preferably, the rotary sealing mechanism comprises a connecting rod, a sliding rod, a first limiting block, a second limiting block and an oblique block, one end of the connecting rod is hinged to the outer circumference of the upper bearing, the other end of the connecting rod is hinged to the sliding rod, the first limiting block and the second limiting block are arranged on the cabin door, the first limiting block and the second limiting block are U-shaped, the sliding rod can be inserted into the first limiting block and the second limiting block, the oblique block is arranged on the outer surface of the door fence, the front portion of the sliding rod can slide into the oblique block, the first limiting block, the second limiting block and the oblique block are arranged in a straight line, and when the door is closed, the sliding rod slides in from the second limiting block first and then slides into the first limiting block and finally slides into the oblique block.
Preferably, the connecting rods, the sliding rods, the first limiting blocks, the second limiting blocks and the inclined blocks are respectively provided with six, and the six connecting rods and the six sliding rods are uniformly distributed on the cabin door.
Preferably, the connecting rod is L-shaped.
Preferably, the end face of the sliding rod, which is in contact with the inclined block, is a wedge-shaped face, and the inner wall of the inclined block is provided with an inclined face matched with the slope of the wedge-shaped face.
Preferably, a hatch handle is arranged on the hatch.
Preferably, the cabin door is provided with a cabin door balance valve, so that the pressure inside and outside the cabin is balanced when the pressure in the cabin is slightly positive, the cabin door is convenient to open, and the operation safety is improved.
Preferably, a sealing ring is arranged on the inner wall of the cabin door close to the outer edge in a circle.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
the rotary telescopic cabin door locking device is used for a cabin door of a saturated diving cabin, the cabin door adopts a six-claw rotary telescopic locking mechanism, and a connecting rod is operated by a special spanner to drive a sliding rod to extend into a locking chute, so that sealing is realized, and the cabin door can be opened and closed inside and outside the cabin. The cabin door locking mechanism overcomes the defects of the traditional cabin door sealing structure, has lower assembly requirements, and can pre-tighten the cabin door under normal pressure; when the two sides of the cabin are pressurized, the cabin door can be opened after pressure is balanced through the cabin door balance valve, and the cabin door has better safety and sealing effect.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural view of the locking device;
FIG. 2 is a cross-sectional view taken at C-C of FIG. 1;
the labels in the above figures are: 1. a cabin door; 2. hinging seat; 3. a door fence; 4. a hatch penetration; 5. a nylon sleeve; 6. locking the nut; 7. an upper bearing; 8. a lower bearing; 9. a connecting rod; 10. a slide bar; 11. a first limiting block; 12. a second limiting block; 13. a sloping block; 14. a hatch door handle; 15. a hatch door balancing valve; 16. and (5) sealing rings.
Detailed Description
The embodiments of the present invention, such as the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the rotary telescopic cabin door locking device comprises a cabin door 1 and a hinged support 2, the cabin door 1 is hinged on a door fence 3 through the hinged support 2, the rotary telescopic cabin door locking device further comprises a cabin door penetrating piece 4 and a rotary sealing mechanism, the cabin door penetrating piece 4 is arranged at the circle center of the circular cabin door 1, the cabin door penetrating piece 4 penetrates through the cabin door 1, a nylon sleeve 5 is arranged in the cabin door penetrating piece 4, a rotary bearing is arranged in the nylon sleeve 5, a locking nut 6 is arranged at one end of the rotary bearing, the rotary sealing mechanism is arranged at one side face of the cabin door 1, and the rotary bearing drives the rotary sealing mechanism to rotate and seal the cabin door 1.
The rotary bearing comprises an upper bearing 7 and a lower bearing 8, one end of the upper bearing 7 is locked through a locking nut 6, the other end of the upper bearing is connected with the lower bearing 8, the lower bearing 8 rotates outside the cabin door 1 to lock the cabin door in use, and then the whole rotary bearing is locked at the tail of the upper bearing 7 through the locking nut 6.
The rotary sealing mechanism comprises a connecting rod 9, a sliding rod 10, a first limiting block 11, a second limiting block 12 and an inclined block 13, one end of the connecting rod 9 is hinged with the outer circumference of the upper bearing 7, the other end of the connecting rod is hinged with the sliding rod 10, the first limiting block 11 and the second limiting block 12 are arranged on the cabin door 1, the first limiting block 11 and the second limiting block 12 are U-shaped, the sliding rod 10 can be inserted into the first limiting block 11 and the second limiting block 12, the inclined block 13 is arranged on the outer surface of the door fence 3, the front part of the sliding rod 10 can slide into the inclined block 13, the first limiting block 11, the second limiting block 12 and the inclined block 13 are linearly arranged, when the door is closed, the sliding rod 10 slides in from the second limiting block 12, then slides into the first limiting block 11 and finally slides into the inclined block 13, the end face of the sliding rod 10, which is in contact with the inclined block 13, is a wedge-shaped face, the inner wall of the inclined block 13 is provided with an inclined face matched with the slope of the wedge-shaped face, and the inclined face of the sliding rod 10 can be more firmly connected with the inclined block 13, a sealing ring 16 is arranged on the inner wall of the cabin door 1 near the outer edge in a circle, so that the cabin door 1 can be conveniently sealed when the door is closed.
The six connecting rods 9, the six sliding rods 10, the six limiting blocks 11, the six limiting blocks 12 and the six inclined blocks 13 are respectively arranged, the six connecting rods 9 and the six sliding rods 10 are uniformly distributed on the cabin door 1 to form a six-claw rotating structure, and the connecting rods 9 are L-shaped, so that the required rotating stroke is shorter.
As shown in fig. 1 and 2, a hatch handle 14 is arranged on the hatch door 1 to facilitate opening and closing of the hatch door 1. The cabin door 1 is provided with the cabin door balance valve 15, the cabin door balance valve 15 can be communicated with the inside and the outside of the cabin door 1, when the pressure in the cabin is slightly positive, the pressure in the cabin 1 is balanced, the cabin door 1 is convenient to open, and the operation safety is improved.
When the device is used, a special wrench is used for rotating the rotating bearing, the rotating bearing is connected with the connecting rod 9 and the sliding rod 10 through fasteners and is linked, and the first limiting block 11 and the second limiting block 12 are used for limiting the stroke of the sliding rod 10. The end part of the sliding rod 10 is a wedge-shaped surface, and the wedge-shaped surface is attached to the wedge-shaped surface of the inclined block on the door fence 3 through the movement of the connecting rod 9, so that the locking of the cabin door 1 is realized, the sealing is realized, and the cabin door 1 can be opened and closed in and out of the cabin. The cabin door locking mechanism can pre-tighten the cabin door 1 under normal pressure; when the two sides of the cabin are pressurized, the cabin door can be opened after the pressure is balanced through the cabin door balance valve 15, and the safety and the sealing effect are better.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (9)
1. The utility model provides a rotatory telescopic hatch door locking device, includes hatch door and free bearing, the hatch door articulates on the door rail through the free bearing, its characterized in that: the rotary sealing mechanism is arranged on one side surface of the cabin door, and the rotary bearing drives the rotary sealing mechanism to rotate and seal the cabin door.
2. A rotary telescoping hatch locking device according to claim 1, characterized in that: the rotary bearing comprises an upper bearing and a lower bearing, one end of the upper bearing is locked through a locking nut, and the other end of the upper bearing is connected with the lower bearing.
3. A rotary telescoping hatch locking device according to claim 1, characterized in that: the rotary sealing mechanism comprises a connecting rod, a sliding rod, a first limiting block, a second limiting block and an oblique block, one end of the connecting rod is hinged to the outer circumference of the upper bearing, the other end of the connecting rod is hinged to the sliding rod, the first limiting block and the second limiting block are arranged on the cabin door, the first limiting block and the second limiting block are U-shaped, the sliding rod can be inserted into the first limiting block and the second limiting block, the oblique block is arranged on the outer surface of the door fence, the front portion of the sliding rod can slide into the oblique block, the first limiting block, the second limiting block and the oblique block are arranged in a straight line, and when the door is closed, the sliding rod slides into the first limiting block from the second limiting block first and then slides into the first limiting block and finally slides into the oblique block.
4. A rotary telescoping hatch locking device according to claim 3, characterized in that: the connecting rods, the sliding rods, the first limiting blocks, the second limiting blocks and the inclined blocks are all provided with six, and the six connecting rods and the six sliding rods are uniformly distributed on the cabin door.
5. A rotary telescoping hatch locking device according to claim 3, characterized in that: the connecting rod is L-shaped.
6. A rotary telescoping hatch locking device according to claim 3, characterized in that: the end face of the sliding rod, which is in contact with the inclined block, is a wedge-shaped face, and the inner wall of the inclined block is provided with an inclined face matched with the slope of the wedge-shaped face.
7. A rotary telescoping hatch locking device according to claim 1, characterized in that: a cabin door handle is arranged on the cabin door.
8. A rotary telescoping hatch locking device according to claim 1, characterized in that: the cabin door is provided with the cabin door balance valve, so that the pressure inside and outside the cabin is balanced when the pressure in the cabin is slightly positive, the cabin door is convenient to open, and the operation safety is improved.
9. A rotary telescoping hatch locking device according to claim 1, characterized in that: and a sealing ring is arranged on the inner wall of the cabin door close to the outer edge in a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427189.9A CN114150947A (en) | 2021-11-28 | 2021-11-28 | Rotary telescopic cabin door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427189.9A CN114150947A (en) | 2021-11-28 | 2021-11-28 | Rotary telescopic cabin door locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114150947A true CN114150947A (en) | 2022-03-08 |
Family
ID=80457919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427189.9A Pending CN114150947A (en) | 2021-11-28 | 2021-11-28 | Rotary telescopic cabin door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114150947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419349A (en) * | 2022-07-18 | 2022-12-02 | 北京空间飞行器总体设计部 | Spatial bidirectional pressure-bearing cabin door |
-
2021
- 2021-11-28 CN CN202111427189.9A patent/CN114150947A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115419349A (en) * | 2022-07-18 | 2022-12-02 | 北京空间飞行器总体设计部 | Spatial bidirectional pressure-bearing cabin door |
| CN115419349B (en) * | 2022-07-18 | 2024-02-23 | 北京空间飞行器总体设计部 | Space bidirectional pressure-bearing cabin door |
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