CN212501055U - Automatic butt joint locking and disengaging device - Google Patents
Automatic butt joint locking and disengaging device Download PDFInfo
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- CN212501055U CN212501055U CN202021921873.3U CN202021921873U CN212501055U CN 212501055 U CN212501055 U CN 212501055U CN 202021921873 U CN202021921873 U CN 202021921873U CN 212501055 U CN212501055 U CN 212501055U
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Abstract
The utility model provides an automatic butt-joint locking and disengaging device, which comprises a lock body, a lock pin, a rocker arm, a top shaft and a steel ball, wherein the rocker arm is arranged on the lock body through a rotating shaft, one end head 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 top shaft; the first ring groove is formed in the lock pin, the first ring groove is arranged in a first vertical through hole in a clearance fit mode, one end of the first ring groove is connected with the equipment to be air-connected, and the other end of the first ring groove extends out of the first vertical through hole to jack the end of one end 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 stroke 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 to lock the second spring; the steel ball is clamped into the first ring groove when being locked and is clamped into the second ring groove when being disconnected. The device enables the seat to be automatically butted and locked with an air passage interface of an airplane during installation, automatically unlocked and separated from the airplane interface during departure, and the interface part can be adjusted to move up and down along with the height of the seat.
Description
Technical Field
The utility model belongs to aviation ejection lifesaving field relates to an ejection seat and aircraft butt joint installation gas circuit interface position automatic locking, up-and-down motion, unblock break away from mechanism specifically is an automatic butt joint locking separation device.
Background
In the prior art, the air path of the ejection seat is inserted and installed with an aircraft interface through a hole in the seat fixing part, the seat fixing part is switched to the seat lifting part through the telescopic sleeve, the air path flows through the inner cavity of the main bearing structural part of the seat fixing part and the lifting part and is switched and output by the air source distributor, the flow channel is complex in design, the right-angle turning is multiple, the flow resistance is large, the parts are complex, the modularization degree is low, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the automatic butt joint locking and disengaging device is used for automatically butting and locking the seat with an air circuit interface of an airplane when the seat is installed, automatically unlocking and disengaging the seat from the airplane interface when the seat is removed, and enabling the interface part to move up and down along with the height adjustment of the seat.
The technical scheme of the utility model: an automatic butt-joint locking and disengaging device comprises a lock body, a lock pin, a rocker arm, a top shaft and steel balls, wherein the lock body is provided with an H-shaped hole which is a first vertical through hole for inserting the lock pin, a second vertical hole for placing the top shaft in clearance fit and a first transverse hole for placing the steel balls; the rocker arm is arranged on the lock body through a rotating shaft, one end head of the rocker arm is abutted 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 jacking shaft; the first ring groove is formed in the lock pin, the first ring groove is arranged in a first vertical through hole in a clearance fit mode, one end of the first ring groove is connected with a device to be connected with air, the other end of the first ring groove extends out of the first vertical through hole to jack the end head of one end of the rocker arm, and 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 stroke 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 to lock the steel ball; the steel ball is clamped into the first ring groove when locked and is clamped into the second ring groove when disconnected.
In the scheme, the limiting mechanism comprises a flat head shaft, a lock tongue, a mandril, a first spring and a lock hook, the lock body is provided with a transverse hole, the mandril is installed on the transverse hole in a clearance fit mode, the lock tongue is driven by the rocker arm through the flat head shaft 5, and the lock tongue is locked by the lock hook.
In the above scheme, the automatic docking, locking and disengaging device further comprises a guide shaft, one end of the guide shaft is mounted on the fixed lock hook, the other end of the guide shaft is fixedly connected with the cabin, a hole is formed in the lock body, and the guide shaft penetrates through the hole to enable the lock body to slide up and down along the guide shaft.
In the above scheme, the spring bolt is provided with a step, and the step is limited by the pair of ejector rods through the spring.
In the above scheme, the latch hook locks the top shaft when being locked 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 lower end is provided with the nut when the second vertical hole is the through hole.
In the above scheme, the locking top shaft cannot retract when the lock hook locks the lock body.
In the scheme, the hole 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 a cotter pin for axially limiting the flat head shaft.
The utility model has the advantages that: the utility model discloses there are two sets of interlocking mechanism on the lock body, one set of another set of unblock of locking, can reciprocal, specifically be:
1. the lock body is provided with a lock pin and a top shaft in parallel, the lock pin jacks the rocker arm, and the rocker arm rotates along the rotating shaft to enable the other end of the rocker arm to work so as to unlock the lock body and the lock hook;
2. the other end of the rocker arm is connected with the flat head shaft through the arranged hole, so that one end of the rocker arm is jacked open 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 mandril, and the lock body and the lock hook are locked through the linkage of the lock tongue and the mandril;
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 and the lock hook are conveniently locked and are butted with an air inlet of the ejection seat;
5. the lock pin is provided with the first annular groove, the jacking shaft is provided with the second annular groove, and the lock pin and the jacking shaft are respectively locked by the steel balls through axial linkage of the lock pin and the jacking shaft.
In summary, the utility model can effectively solve the technical problems of automatic butt joint locking, follow-up, automatic unlocking and separation of the interface between the seat and the airplane, and has simple structure; through right the utility model discloses carry out the modification design, the portability is stronger, can use on the various mechanical mechanism that need automatic butt joint locking, follow-up, unblock break away from.
Drawings
Fig. 1 is a broken-away elevation view of the present invention.
Fig. 2 is a cross-sectional view of the present invention after detachment.
Fig. 3 is an elevation view of the utility model after locking.
Fig. 4 is a cross-sectional view of the present invention after locking.
Fig. 5 is a cross-sectional view of the present invention at another angle after locking.
In the figure, 1-lock body; 2-a lock pin; 3-a rocker arm; 4-a rotating shaft; 5-plain head axis; 6-a cotter pin; 7-a bolt; 8-a top rod; 9-a first spring; 10-a latch hook; 11-a guide shaft; 12-a top shaft; 13-steel balls; 14-spring two; 15-screw cap; 16-a first vertical through hole; 17-a second vertical hole; 18-transverse hole one; 19-ring groove I; 20-ring groove II; 21-an annular step; 22-step.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1-5, 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 split pin 6, a lock tongue 7, a mandril 8, a first spring 9, a lock hook 10, a guide shaft 11, a mandril 12, 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 a lock tongue 7, the lock tongue 7 is driven by a rocker arm 3 and a flat shaft 5 of an end part installation split pin 6, and is locked with a lock hook 10 by propping against a mandril 8 provided with a compression spring I9 to retreat, the other end of the lock body 1 is provided with a first vertical through hole 16, a lock pin 2 is inserted into the first vertical through hole 16, the end of the lock tongue 3 props against the rocker arm 3 to rotate along a rotating shaft 4 so as to drive the lock tongue 7 to be unlocked with the lock hook 10, a jacking shaft 12 is installed on the lock body 1 through a compression spring II 14 and a nut 15, and after the lock tongue 7 is unlocked with the lock hook 10, the jacking shaft 12 ejects a steel ball 13 under the action of spring force, so.
The automatic docking, locking and disengaging device is divided into two states of disengagement and docking, which will be described below.
As shown in fig. 1 and fig. 2, it is the schematic diagram of the disengagement state of the present invention:
the guide shaft 11 is installed on the lock hook 10, a hole is formed in the lock body 1, penetrates through the guide shaft 11 and slides along the guide shaft, the lock tongue 7 is installed on the lock body 1, and the lock tongue 7 is pressed against a mandril 8 provided with a compression spring I9 to retreat and be locked with the lock hook;
a first vertical through hole 16 is formed in one end of the lock body 1, 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 and fixed.
As shown in fig. 3, 4 and 5, the present invention is a schematic view 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 open, the rocker arm 3 rotates around a rotating shaft 4, and the lock tongue 7 is driven to be unlocked from the lock hook 10 through the flat shaft 5 and the split pin 6, so that the lock body 1 is disengaged from the lock hook 10 and slides downwards along the guide shaft 11;
the jacking shaft 12 which is installed in the second vertical hole 17 in a clearance fit mode is installed in the lock body 1 through the compression spring II 14 and the screw cap 15, after the lock tongue 7 is unlocked with the lock hook 10, the lock body 1 slides downwards along the guide shaft 11, limiting release between the jacking shaft 12 and the lock hook 10 is achieved, the lock body is ejected out under the compression force of the spring II 14, the steel balls 13 in the annular groove II 20 are extruded to reach the annular groove I19 of the lock pin 2 along the transverse hole I18, and the lock pin 2 inserted into the first vertical through hole 16 of the lock body 1 is locked.
Further, the second spring 14 is positioned between the annular step 21 and the nut 15;
further, the step 22 is abutted to the ejector rod 8, and the ejector rod 8 is provided with a first spring 9 for providing spring force for the axial movement of the ejector rod 8.
The working principle is as follows: the lock body 1 is provided with two sets of interlocking mechanisms: one set is locked, the other set is unlocked and can be reversed; namely: in the process that the lock pin 2 drives the lock body 1 to move upwards, along with the limit of the lock hook 10 on the top shaft 12, 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 that the lock pin 2 is inserted into the lock body 1, after the lock tongue 7 on the lock body 1 is firstly unlocked with the lock hook 10, the lock body 1 slides downwards, the limit between the top shaft 12 and the lock hook 10 is released, the lock body is ejected out under the action of the compression force of the spring II 14, the steel ball 13 is extruded into the annular groove I19 of the lock pin 2, and the lock pin 2 is locked with the lock body 1.
While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (10)
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 H-shaped holes which are a first vertical through hole (16) inserted into the lock pin (2), a second vertical hole (17) in clearance fit with the top shaft (12) and a first transverse hole (18) for placing a steel ball (13);
the rocker arm (3) is arranged on the lock body (1) through a rotating shaft (4), one end head of the rocker arm is abutted against the lower end of the first vertical through hole (16), and the other end of the rocker arm is connected with a limiting mechanism to provide external force for the top shaft (12);
the lock pin (2) is provided with a first annular groove (19), the first annular groove is arranged in a first vertical through hole (16) in a clearance fit mode, one end of the first annular groove is connected with equipment to be connected with air, the other end of the first annular groove extends out of the first vertical through hole (16) to jack one end of the rocker arm (3), and 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 stroke for the top shaft (12), and the other end of the top shaft 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 ring groove (19) during locking and is clamped into the second ring groove (20) during disconnection.
2. The automatic docking lock release device according to claim 1, further comprising a limit mechanism, wherein the limit mechanism comprises a flat shaft (5), a lock tongue (7), a push rod (8), a first spring (9) and a lock hook (10), the lock body (1) is provided with a transverse hole, the push rod (8) is installed on the transverse hole in a clearance fit manner, the lock tongue (7) is driven by the rocker arm (3) through the flat shaft (5), and the lock tongue (7) is locked by the lock hook (10).
3. The automatic docking, locking and disengaging device according to claim 1, further comprising a guide shaft (11), wherein one end of the guide shaft (11) is mounted on the fixed locking hook (10), the other end of the guide shaft is fixedly connected with the cabin, the lock body (1) is provided with a hole, and the guide shaft (11) penetrates the hole to enable the lock body (1) to slide up and down along the guide shaft (11).
4. The automatic butt joint locking and disengaging device of claim 2, characterized in that the locking tongue (7) is provided with a step (22), and the step (22) limits the mandril (8) through a first spring (9).
5. An automatic docking lock release device according to claim 2, wherein the locking hook (10) locks the top shaft (12) when locked with the lock body (1).
6. An automatic docking lock disengagement device according to claim 1, wherein said second vertical hole (17) is a blind or through hole.
7. An automatic docking lock release mechanism as claimed in claim 6 wherein the second vertical hole (17) is a through hole and the lower end is provided with a nut (15).
8. An automatic docking lock release device according to claim 3, wherein the locking hook (10) cannot be retracted when locking the lock body (1) with the locking top shaft (12).
9. The automatic butt joint locking and releasing device as claimed in claim 2, wherein the other end of the rocker arm (3) is provided with a hole which is connected with the flat head shaft (5) to drive the bolt (7) to move.
10. An automatic docking lock release device according to claim 9 wherein a cotter pin (6) is provided at one end of the stub shaft (5) to axially restrain it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921873.3U CN212501055U (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 |
|---|---|---|---|
| CN202021921873.3U CN212501055U (en) | 2020-09-04 | 2020-09-04 | Automatic butt joint locking and disengaging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212501055U true CN212501055U (en) | 2021-02-09 |
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ID=74384203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021921873.3U Active CN212501055U (en) | 2020-09-04 | 2020-09-04 | Automatic butt joint locking and disengaging device |
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| Country | Link |
|---|---|
| CN (1) | CN212501055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907718A (en) * | 2020-09-04 | 2020-11-10 | 航宇救生装备有限公司 | Automatic butt joint locking and disengaging device |
-
2020
- 2020-09-04 CN CN202021921873.3U patent/CN212501055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907718A (en) * | 2020-09-04 | 2020-11-10 | 航宇救生装备有限公司 | Automatic butt joint locking and disengaging device |
| CN111907718B (en) * | 2020-09-04 | 2024-06-18 | 航宇救生装备有限公司 | Automatic butt joint locking and disengaging device |
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