CN210127747U - Air pressure cabin door collision bead pre-tightening device - Google Patents
Air pressure cabin door collision bead pre-tightening device Download PDFInfo
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- CN210127747U CN210127747U CN201821629211.1U CN201821629211U CN210127747U CN 210127747 U CN210127747 U CN 210127747U CN 201821629211 U CN201821629211 U CN 201821629211U CN 210127747 U CN210127747 U CN 210127747U
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- door
- door frame
- hinge
- kelly
- fixed block
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Abstract
The utility model discloses an atmospheric pressure hatch door bumps pearl preloading device, including the door frame, the door frame is installed on the wall, the positive one end fixed mounting of door frame has the hinge, the door frame rotates through the hinge and installs the hatch door, the hatch door openly keeps away from the one end fixedly connected with kelly of hinge, the door frame openly keeps away from the one end fixed mounting of hinge has the chucking device, the chucking device includes the base, the base passes through bolt fixed mounting on the door frame, top-down fixedly connected with first fixed block and second fixed block on the front of base, it has fore-and-aft through-hole to open on the first fixed block. The utility model discloses in, when the staff wants to close the hatch door, only need to grasp the door handle and take the hatch door, fixed connection's kelly directly gets into first fixed block and the second is fixed in seeing the clearance between, when touching the ball, the ball that bumps can remove to the direction of keeping away from the kelly, lets the kelly pass through smoothly.
Description
Technical Field
The utility model relates to a hit pearl technical field, especially relate to an atmospheric pressure hatch door hits pearl preloading device.
Background
The general pneumatic transition cabin (man cabin) is an important component of a shield tunneling machine, is equipment for conveying people from an atmospheric pressure environment to a high-pressure environment, is a passage for workers to enter a working cabin of the tunneling machine for maintenance, is also a place for the workers to rest, and mainly comprises a pneumatic transition cabin body and control systems of all parts.
At present, a cabin door of the pneumatic cabin is mostly locked by a hand wheel screw rod or is pre-tightened by a handle, and the door is not convenient to open and close, so that a pre-tightening device for a collision bead of the pneumatic cabin door is provided to solve the problems.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing a pre-tightening device for a collision bead of an air pressure cabin door.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pre-tightening device for a collision bead of an air pressure cabin door comprises a door frame, wherein the door frame is arranged on a wall surface, a hinge is fixedly arranged at one end of the front surface of the door frame, the door frame is rotatably provided with a cabin door through a hinge, one end of the front side of the cabin door far away from the hinge is fixedly connected with a clamping rod, a clamping device is fixedly arranged at one end of the front side of the door frame far away from the hinge, the clamping device comprises a base, the base is fixedly arranged on the door frame through bolts, the front surface of the base is fixedly connected with a first fixed block and a second fixed block from top to bottom, the first fixed block is provided with a longitudinal through hole, the inside of the through hole is fixedly provided with a ball-bumping device, the collision bead device comprises a shell, one end of the shell is provided with an opening, one end of the shell opening is movably connected with a collision bead, the inner cavity of the shell is provided with a strong spring, and one end of the shell, which is far away from the opening, is of a closed structure.
Preferably, an internal thread is arranged in the through hole.
Preferably, the outer side of the shell is provided with an external thread which is tightly matched with the through hole.
Preferably, a knob is arranged on the outer side of the closed end of the shell.
Preferably, the front and back sides of the cabin door are fixedly connected with door handles.
Preferably, the diameter of the open end of the housing is smaller than the diameter of the collision bead.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in, when the staff wants to close the hatch door, only need to catch the door handle and take the hatch door, fixed connection's kelly directly gets into in the fixed clearance of seeing between first fixed block and the second on the hatch door, when touching the collision pearl, the collision pearl can be to the direction removal of keeping away from the kelly, let the kelly pass through smoothly, after the kelly passes through the collision pearl, the collision pearl can return the normal position again under strong spring's effect, can live the kelly this moment, do not let the kelly freely remove, but when external force is too big, also when someone pushed away the door, the kelly can the same extrusion touch the pearl, come out in the clearance, the hatch door is opened promptly, this device does not have fixed lock structure, and is simple and reliable, and is safe easy to use.
Drawings
Fig. 1 is a front schematic view of a pneumatic cabin door collision bead pre-tightening device provided by the present invention;
fig. 2 is a side view of the clamping device of the pre-tightening device for the collision bead of the pneumatic cabin door of the present invention.
In the figure: 1 door frame, 2 wall faces, 3 hinges, 4 doors, 5 clamping rods, 6 bases, 7 first fixing blocks, 8 second fixing blocks, 9 shells, 10 collision beads, 11 strong springs and 12 door handles.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a pre-tightening device for a collision bead of an air pressure cabin door comprises a door frame 1, wherein the door frame 1 is installed on a wall surface 2, a hinge 3 is fixedly installed at one front end of the door frame 1, a cabin door 4 is rotatably installed on the door frame 1 through the hinge 3, door handles 12 are fixedly connected to the front and the back of the cabin door 4, a clamping rod 5 is fixedly connected to one front end of the cabin door 4, which is far away from the hinge 3, a clamping device is fixedly installed at one front end of the door frame 1, which is far away from the hinge 3, and comprises a base 6, the base 6 is fixedly installed on the door frame 1 through bolts, a first fixing block 7 and a second fixing block 8 are fixedly connected to the front of the base 6 from top to bottom, a longitudinal through hole is formed in the first fixing block 7, an internal thread is formed in the, the one end of casing 9 is the opening, and casing 9 open-ended one end swing joint has and bumps pearl 10, and the diameter of casing 9 open end is less than the diameter that bumps pearl 10, and casing 9 inner chamber is equipped with powerful spring 11, and casing 9 keeps away from open-ended one end and is enclosed construction, and the outside of casing 9 closed end is equipped with the knob.
The utility model discloses in, when the staff wants to close hatch door 4, only need to grasp door handle 12 and take hatch door 4, hatch door 4 goes up fixed connection's kelly 5 and directly gets into in the clearance between 8 is seen to first fixed block 7 and the second is fixed, when touching touch ball 10, touch ball 10 can be to the direction removal of keeping away from kelly 5, let kelly 5 pass through smoothly, after kelly 5 passes through touch ball 10, touch ball 10 can return the normal position again under strong spring 11's effect, can live kelly 5 this moment, do not let kelly 5 freely remove, but too big when external force, also when someone pushes away the door, kelly 5 can same extrusion touch ball 10, come out from the clearance, hatch door 4 is opened promptly, this device does not have the fixed lock structure, and is simple and reliable, and easy to use.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a pearl preloading device is met to atmospheric pressure hatch door, includes door frame (1), its characterized in that, door frame (1) is installed on wall (2), the positive one end fixed mounting of door frame (1) has hinge (3), door frame (1) is rotated through hinge (3) and is installed hatch door (4), hatch door (4) openly keep away from the one end fixedly connected with kelly (5) of hinge (3), the door frame (1) openly keeps away from the one end fixed mounting of hinge (3) has chucking device, chucking device includes base (6), base (6) pass through bolt fixed mounting on door frame (1), top-down fixedly connected with first fixed block (7) and second fixed block (8) are gone up in the front of base (6), it has fore-and-aft through-hole to open on first fixed block (7), the inside fixed mounting of through-hole has and meets pearl device, the ball collision device comprises a shell (9), one end of the shell (9) is provided with an opening, one end of the shell (9) with the opening is movably connected with a ball collision (10), an inner cavity of the shell (9) is provided with a strong spring (11), and one end, far away from the opening, of the shell (9) is of a closed structure.
2. The pre-tightening device for the collision bead of the pneumatic door as claimed in claim 1, wherein the through hole is internally provided with an internal thread.
3. The pre-tightening device for the collision bead of the pneumatic door as claimed in claim 1, wherein the outer side of the housing (9) is provided with an external thread and is tightly matched with the through hole.
4. A pre-tightening device for a collision bead of a pneumatic door according to claim 1, characterized in that a knob is provided on the outside of the closed end of the housing (9).
5. A pneumatic door collision bead pretensioning device according to claim 1, characterised in that door handles (12) are fixedly attached to both the front and back sides of the door (4).
6. A pre-tensioning device for a pneumatic door latch according to claim 1, characterised in that the diameter of the open end of the housing (9) is smaller than the diameter of the latch (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629211.1U CN210127747U (en) | 2018-10-09 | 2018-10-09 | Air pressure cabin door collision bead pre-tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821629211.1U CN210127747U (en) | 2018-10-09 | 2018-10-09 | Air pressure cabin door collision bead pre-tightening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210127747U true CN210127747U (en) | 2020-03-06 |
Family
ID=69660422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821629211.1U Active CN210127747U (en) | 2018-10-09 | 2018-10-09 | Air pressure cabin door collision bead pre-tightening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210127747U (en) |
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2018
- 2018-10-09 CN CN201821629211.1U patent/CN210127747U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300000 Tianjin Binhai New Area free trade pilot area (Dongjiang Port Free Trade Zone) Tibet Road No. 369 Patentee after: China Railway Engineering Equipment Group (Tianjin) Co., Ltd Address before: 300000 Tianjin Binhai New Area free trade pilot area (Dongjiang Port Free Trade Zone) Tibet Road No. 369 Patentee before: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP SHIELD REMANUFACTURING Co.,Ltd. |