CN111907718B - Automatic butt joint locking and disengaging device - Google Patents
Automatic butt joint locking and disengaging device Download PDFInfo
- Publication number
- CN111907718B CN111907718B CN202010925621.6A CN202010925621A CN111907718B CN 111907718 B CN111907718 B CN 111907718B CN 202010925621 A CN202010925621 A CN 202010925621A CN 111907718 B CN111907718 B CN 111907718B
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- CN
- China
- Prior art keywords
- lock
- hole
- shaft
- rocker arm
- annular groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000001503 joint Anatomy 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 12
- 238000003032 molecular docking Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D25/00—Emergency apparatus or devices, not otherwise provided for
- B64D25/08—Ejecting or escaping means
- B64D25/10—Ejector seats
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an automatic butt joint locking and disengaging device which comprises a lock body, a lock pin, a rocker arm, a jacking shaft and steel balls, wherein the rocker arm is arranged on the lock body through a rotating shaft, one end of the rocker arm is propped against the lower end of a first vertical through hole, and the other end of the rocker arm is connected with a limiting mechanism to provide external force for the jacking shaft; the lock pin is provided with a first annular groove, and is installed in the first vertical through hole in a clearance fit manner, one end of the lock pin is connected with equipment to be connected, and the other end of the lock pin extends out of the first vertical through hole to jack up one end head of the rocker arm so that the rocker arm rotates along the rotating shaft; the top shaft is provided with a second annular groove, an annular step and a second spring for providing axial travel for the top shaft, and the other end compresses the second spring through a limiting mechanism to clamp the steel balls into the second annular groove so as to lock the steel balls; the steel ball is clamped into the first annular groove when locked, and clamped into the second annular groove when disconnected. The device ensures that the seat is automatically in butt joint and locking with the air passage interface of the airplane when being installed and is automatically unlocked and separated from the air passage interface when being separated from the airplane, and the interface part can be adjusted along with the height of the seat to perform up-down lifting movement.
Description
Technical Field
The invention belongs to the field of aviation ejection lifesaving, relates to an automatic locking, up-and-down movement and unlocking disengaging mechanism for an interface part of an ejection seat and an airplane butt-joint installation gas circuit, and particularly relates to an automatic butt-joint locking disengaging device.
Background
In the prior art, the air circuit of the ejection seat is inserted and installed with the aircraft interface through the hole on the seat fixing part, then the air circuit of the seat fixing part is connected to the seat lifting part through the telescopic sleeve, the air circuit flows through the inner cavity of the main bearing structure part of the seat fixing part and the lifting part and is connected and output through the air source distributor, the flow channel is complex in design, more right-angle turns are formed, the flow resistance is high, the complexity and the modularization degree of parts are low, and the maintenance cost is high.
Disclosure of Invention
The purpose of the invention is that: the automatic butt-joint locking and disengaging device is capable of automatically butt-joint locking with an air passage interface of an airplane when a seat is installed and automatically unlocking and disengaging with the interface of the airplane when the seat is out of the airplane, and the interface part can move up and down along with the adjustment of the seat height.
The technical scheme of the invention is as follows: an automatic butt joint locking and disengaging device comprises a lock body, a lock pin, a rocker arm, a top shaft and a steel ball, wherein the lock body is provided with an H-shaped hole, and the H-shaped hole is respectively a first vertical through hole inserted into the lock pin, a second vertical hole for placing the top shaft in clearance fit and a transverse hole I for placing the steel ball; the rocker arm is arranged on the lock body through the rotating shaft, one end head of the rocker arm is propped against the lower end of the first vertical through hole, and the other end of the rocker arm is connected with the limiting mechanism to provide external force for the propping shaft; the lock pin is provided with a first annular groove, and is installed in the first vertical through hole in a clearance fit manner, one end of the lock pin is connected with equipment to be connected, and the other end of the lock pin extends out of the first vertical through hole to jack up one end head of the rocker arm, so that the rocker arm rotates along the rotating shaft 4; the top shaft is provided with a second annular groove, an annular step and a second spring 4 for providing axial travel for the top shaft, and the other end of the top shaft compresses the second spring through a limiting mechanism to clamp the steel ball into the second annular groove so as to lock the steel ball; the steel ball is clamped into the first annular groove when locked, and clamped into the second annular groove when disconnected.
In the scheme, the limiting mechanism comprises a flat-head shaft, a lock tongue, a push rod, a spring I and a lock hook, wherein the lock body is provided with a transverse hole, the push rod is installed on the transverse hole in a clearance fit manner, the lock tongue is driven by a rocker arm through the flat-head shaft 5, and the lock tongue is locked by the lock hook.
In the scheme, the automatic butt-joint locking and disengaging device further comprises a guide shaft, one end of the guide shaft is arranged on the fixed lock hook, the other end of the guide shaft is fixedly connected with the cabin, the lock body is provided with a hole, and the guide shaft penetrates through the hole to enable the lock body to slide up and down along the guide shaft.
In the scheme, the lock tongue is provided with the step, and the step is limited by a pair of ejector rods through springs.
In the scheme, the lock hook locks the top shaft when locking with the lock body.
In the above scheme, the second vertical hole is a blind hole or a through hole.
In the above scheme, the second vertical hole is the through-hole, and the lower extreme is equipped with the nut.
In the above scheme, the locking top shaft cannot retract when the lock body is locked by the locking hook.
In the scheme, the opening at the other end of the rocker arm is connected with the flat head shaft to drive the lock tongue to move.
In the scheme, one end of the flat head shaft is provided with the cotter pin for axially limiting the flat head shaft.
The beneficial effects of the invention are as follows: the invention has two sets of interlocking mechanisms on the lock body, one set of interlocking mechanism locks and the other set of unlocking mechanism, which are reversible, and specifically comprises the following steps:
1. The lock body is provided with a lock pin and a top shaft in parallel, the lock pin pushes the rocker arm open, and the rocker arm rotates along the rotating shaft to enable the other end of the rocker arm to work so as to release the locking of the lock body and the lock hook;
2. The other end of the rocker arm is connected with the flat head shaft through the opening, so that one end of the rocker arm is jacked up by the lock pin, and the other end of the rocker arm can drive the lock tongue to move.
3. The lock body is also provided with a lock tongue and a push rod, and the lock body and the lock hook are locked through the linkage of the lock tongue and the push rod;
4. the lock body is provided with a guide shaft, and the guide shaft penetrates through the lock body to enable the lock body to slide up and down along the guide shaft, so that the lock body is conveniently locked with the lock hook and is in butt joint with the air receiving port of the ejection seat;
5. The lock pin is provided with a first ring groove, the top shaft is provided with a second ring groove, and the lock pin and the top shaft are locked by steel balls through axial linkage of the lock pin and the top shaft.
In conclusion, the invention can effectively solve the technical problems of automatic butt joint locking, follow-up and automatic unlocking and separating between the seat and the airplane, and has simple structure; by means of the improved design of the invention, the transplanting performance is strong, and the invention can be applied to various mechanical mechanisms which need automatic butt locking, follow-up and unlocking and disengaging.
Drawings
Fig. 1 is an elevation view of the present invention shown removed.
Fig. 2 is a cross-sectional view of the present invention after disengagement.
Fig. 3 is an elevation view of the invention after locking.
Fig. 4 is a cross-sectional view of the invention after locking.
Fig. 5 is a cross-sectional view of the invention at another angle after locking.
In the figure, a 1-lock body; 2-locking pins; 3-rocker arms; 4-rotating shaft; 5-flat head shaft; 6-cotter pin; 7-a lock tongue; 8-ejector rods; 9-spring one; 10-latch hooks; 11-a guide shaft; 12-top shaft; 13-steel balls; 14-a second spring; 15-screw cap; 16-a first vertical through hole; 17-a second vertical hole; 18-transverse hole I; 19-ring groove I; 20-ring groove II; 21-an annular step; 22 steps.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1 to 5, an automatic docking locking and disengaging device comprises a lock body 1, a lock pin 2, a rocker arm 3, a rotating shaft 4, a flat head shaft 5, a cotter pin 6, a lock tongue 7, a push rod 8, a first spring 9, a lock hook 10, a guide shaft 11, a push rod 12 and a steel ball 13, a second spring 14, a nut 15, a first vertical through hole 16, a second vertical hole 17, a first transverse hole 18, a first annular groove 19, a second annular groove 20, an annular step 21 and a step 22. The lock body 1 is provided with the lock tongue 7, the lock tongue 7 is driven by the rocker arm 3 and the flat head shaft 5 of the end part provided with the cotter pin 6, and is locked with the lock hook 10 by propping back against the ejector rod 8 provided with the compression spring I9, the other end of the lock body 1 is provided with the first vertical through hole 16, the lock pin 2 is inserted into the first vertical through hole 16, the end head of the lock body is propped against the rocker arm 3 to rotate along the rotating shaft 4 so as to drive the lock tongue 7 to unlock with the lock hook 10, the ejector shaft 12 is arranged on the lock body 1 through the compression spring II 14 and the screw cap 15, and after the lock tongue 7 is unlocked with the lock hook 10, the ejector shaft 12 ejects the steel ball 13 under the action of spring force, so that the lock pin 2 inserted into the first vertical through hole 16 is locked.
The automatic docking locking and releasing device is divided into a releasing state and a docking state, and is described below.
As shown in fig. 1 and 2, the present invention is a schematic diagram of a disengaged state:
the guide shaft 11 is arranged on the lock hook 10, the opening on the lock body 1 passes through the guide shaft 11 and slides along the guide shaft, the lock body 1 is provided with the lock tongue 7, and the lock tongue 7 props against the ejector rod 8 provided with the compression spring I9 to retract and lock the lock hook;
One end of the lock body 1 is provided with a first vertical through hole 16, the lock pin 2 is pulled out of the first vertical through hole 16 and separated from the lock body 1, and the lock body 1 is locked on the lock hook 10 through the lock tongue 7 to be fixed.
As shown in fig. 3, 4 and 5, the present invention is a schematic diagram of a locking state:
The lock pin 2 is inserted into a first vertical through hole 16 of the lock body 1, the rocker arm 3 is jacked up, the rocker arm 3 rotates around the rotating shaft 4, the flat head shaft 5 and the cotter pin 6 drive the lock tongue 7 to unlock from the lock hook 10, so that the lock body 1 is separated from the lock hook 10 and slides downwards along the guide shaft 11;
The top shaft 12 which is installed in the second vertical hole 17 in a clearance fit way is installed in the lock body 1 through the compression spring II 14 and the nut 15, after the lock tongue 7 and the lock hook 10 are unlocked, the lock body 1 slides downwards along the guide shaft 11, the limit release between the top shaft 12 and the lock hook 10 is realized, the steel ball 13 in the annular groove II 20 is ejected under the compression force of the spring II 14, the steel ball 13 is extruded into the annular groove I19 of the lock pin 2 along the transverse hole I18, and the lock pin 2 which is inserted into the first vertical through hole 16 of the lock body 1 is locked.
Further, the second spring 14 is located between the annular step 21 and the nut 15;
Further, the step 22 is propped against the ejector rod 8, and the ejector rod 8 is provided with a first spring 9 for providing a spring force for the axial movement of the ejector rod 8.
Working principle: the lock body 1 is provided with two sets of interlocking mechanisms: one set of locking and the other set of unlocking are reversible; namely: in the process that the lock pin 2 drives the lock body 1 to move upwards, as the top shaft 12 is limited and supported by the lock hook 10, steel balls in the first annular groove 19 of the lock pin 1 are extruded into the second annular groove 20 of the top shaft 12, the lock pin 2 is unlocked and pulled out from the lock body 1, and the lock body 1 is locked on the lock hook 10 through the lock tongue 7. Conversely, in the process of inserting the lock pin 2 into the lock body 1, after the lock tongue 7 on the lock body 1 is unlocked with the lock hook 10, the lock body 1 slides downwards, the limit release between the top shaft 12 and the lock hook 10 is realized, the lock pin is ejected under the compression force of the spring II 14, and meanwhile, the steel ball 13 is extruded into the annular groove 19 of the lock pin 2, so that the lock pin 2 is locked with the lock body 1.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (8)
1. An automatic butt joint locking and disengaging device comprises a lock body (1), a lock pin (2), a rocker arm (3), a top shaft (12) and a steel ball (13), and is characterized in that,
The lock body (1) is provided with an H-shaped hole which is respectively a first vertical through hole (16) inserted into the lock pin (2), a second vertical hole (17) for placing the top shaft (12) in clearance fit and a transverse hole I (18) for placing the steel ball (13);
the rocker arm (3) is arranged on the lock body (1) through the rotating shaft (4), one end of the rocker arm is propped against the lower end of the first vertical through hole (16), and the other end of the rocker arm is connected with the limiting mechanism to provide external force for the propping shaft (12);
The lock pin (2) is provided with a first annular groove (19), the lock pin is installed on the first vertical through hole (16) in a clearance fit manner, one end of the lock pin is connected with equipment to be connected, and the other end of the lock pin extends out of the first vertical through hole (16) to jack up one end of the rocker arm (3) so that the rocker arm (3) rotates along the rotating shaft (4);
The top shaft (12) is provided with a second annular groove (20), an annular step (21) and a second spring (14) for providing axial travel for the top shaft (12), and the other end compresses the second spring (14) through a limiting mechanism to clamp the steel ball (13) into the second annular groove (20) so as to lock the steel ball; the steel ball (13) is clamped into the first annular groove (19) when locked, and is clamped into the second annular groove (20) when disconnected;
The automatic butt-joint locking and disengaging device further comprises a limiting mechanism, wherein the limiting mechanism comprises a flat-head shaft (5), a lock tongue (7), a push rod (8), a first spring (9) and a lock hook (10), a transverse hole is formed in the lock body (1), the push rod (8) is installed on the transverse hole in a clearance fit mode, the lock tongue (7) is driven by a rocker arm (3) through the flat-head shaft (5), and the lock tongue (7) is locked by the lock hook (10);
the automatic butt-joint locking and disengaging device further comprises a guide shaft (11), one end of the guide shaft (11) is installed on the fixed lock hook (10), the other end of the guide shaft is fixedly connected with the cabin, a hole is formed in the lock body (1), and the guide shaft (11) penetrates through the hole to enable the lock body (1) to slide up and down along the guide shaft (11).
2. An automatic abutting locking and disengaging device according to claim 1, characterized in that the lock tongue (7) is provided with a step (22), the step (22) limiting the ejector rod (8) by means of a first spring (9).
3. An automatic docking lock release according to claim 1, characterized in that the shackle (10) locks the top shaft (12) when locked with the lock body (1).
4. An automatic docking lock release according to claim 1, characterized in that the second vertical hole (17) is a blind hole or a through hole.
5. An automatic docking locking and disengaging device according to claim 4, characterized in that the second vertical hole (17) is a through hole with a screw cap (15) at the lower end.
6. An automatic docking lock release according to claim 1, characterized in that the top shaft (12) cannot be retracted when the lock body (1) is locked by the shackle (10).
7. An automatic abutting locking and disengaging device according to claim 1, characterized in that the opening at the other end of the rocker arm (3) is connected with the flat head shaft (5) to drive the lock tongue (7) to move.
8. An automatic docking-locking and disengaging device according to claim 7, characterized in that a cotter pin (6) is provided at one end of the flat-headed shaft (5) to axially limit it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925621.6A CN111907718B (en) | 2020-09-04 | 2020-09-04 | Automatic butt joint locking and disengaging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010925621.6A CN111907718B (en) | 2020-09-04 | 2020-09-04 | Automatic butt joint locking and disengaging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111907718A CN111907718A (en) | 2020-11-10 |
| CN111907718B true CN111907718B (en) | 2024-06-18 |
Family
ID=73266200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010925621.6A Active CN111907718B (en) | 2020-09-04 | 2020-09-04 | Automatic butt joint locking and disengaging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111907718B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212501055U (en) * | 2020-09-04 | 2021-02-09 | 航宇救生装备有限公司 | Automatic butt joint locking and disengaging device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10131438B2 (en) * | 2015-07-17 | 2018-11-20 | Ami Industries, Inc. | Ejector seat with ejection retracting backrest |
| CN106828940A (en) * | 2016-12-26 | 2017-06-13 | 中国航空工业集团公司西安飞机设计研究所 | A kind of tailspin umbrella throws laying mechanism |
| CN207449686U (en) * | 2017-11-23 | 2018-06-05 | 杭州乐檬实业有限公司 | A kind of child safety seat is dismountable across band |
| US10919634B2 (en) * | 2018-06-29 | 2021-02-16 | Goodrich Corporation | Inert ambient pressure delay |
| CN111361745A (en) * | 2019-11-15 | 2020-07-03 | 航宇救生装备有限公司 | Airplane seat waistband lock |
-
2020
- 2020-09-04 CN CN202010925621.6A patent/CN111907718B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212501055U (en) * | 2020-09-04 | 2021-02-09 | 航宇救生装备有限公司 | Automatic butt joint locking and disengaging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111907718A (en) | 2020-11-10 |
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