CN102561851A

CN102561851A - Aircraft cabin latch type lock

Info

Publication number: CN102561851A
Application number: CN2011104162196A
Authority: CN
Inventors: 陈文君; 万里鹏; 黄辉; 邓道花; 吴兆洪; 施振飞; 刘谋华; 杨煊
Original assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Current assignee: Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority date: 2011-12-14
Filing date: 2011-12-14
Publication date: 2012-07-11

Abstract

The invention relates to the field of aircraft structure design, particularly to an aircraft cabin latch type lock. The aircraft cabin latch type lock comprises a lock pin, a lock seat and a lock ring located on an aircraft cabin cover, wherein the lock ring is inserted into a lock ring hole located on the fuselage and is located at the inner side of the lock seat together with the lock pin after the cabin cover of the aircraft is closed, the front end of the lock pin aims at the lock ring, and the tail end of the lock pin slides in a tail end limiting sleeve on the lock seat; and the middle part of the lock pin is provided with a linkage rod for pushing and pulling the lock pin, one end of the linkage rod is securely connected with the lock pin, and the other end is driven by external force to make reciprocating motion. The aircraft cabin latch type lock has simple structure, great loading contact face, secure locking, relatively simple machining technology and assembly and convenience for use and maintenance.

Description

Aircraft cockpit door bolt formula lock

Technical field

The present invention relates to the Flight Vehicle Structure design field, specifically, relate to a kind of aircraft cockpit door bolt formula lock.

Background technology

The function of aircraft cockpit lock system will act on pneumatic and supercharging loading transfer on the portable cover to fuselage when being flight, mechanical passenger cabin lock form generally has hook-type lock and door bolt formula lock.Hook-type lock is easy to lock and unblank, but and the normal emergent lock of lock double as, but if design is improper or improper use or since selection be wanting in consideration; The prolonged abrasion deformation of mechanism; Make systemic-function decline even inefficacy, cause contingency, so hook-type lock having relatively high expectations to design, manufacturing.

Summary of the invention

The objective of the invention is to overcome the defective of hook-type lock in the prior art, adapt to the needs of reality, a kind of aircraft cockpit door bolt formula lock is provided.

In order to realize the object of the invention, the technical scheme that the present invention adopts is:

A kind of aircraft cockpit door bolt formula lock comprises lock pin, lock; Be positioned at the lock ring that aircraft cabin covers, after aircraft was shut canopy, said lock ring inserted the lock ring hole that is positioned on the fuselage and is located on the inboard of lock with lock pin; Slide in the said lock ring of the front end aligning of said lock pin, the tail end of the lock pin tail end stop collar on lock, said lock pin middle part is provided with the gangbar that is used for lock pin is carried out push-and-pull; One end and the lock pin of said gangbar are fastenedly connected, and the other end is driven by external force and moves back and forth.

Slide in the front end stop collar of the front end of said lock pin on lock.

Insert in the jack of lock pull bar the lower end of said gangbar; The jack width of said lock pull bar is greater than the width of gangbar; Said lock pull bar also with passenger cabin leak-tight system switch gearing, drive lower end reciprocating sliding to gangbar through operating grip and drive lock pin and stretch into lock ring locking or withdraw from lock ring and open, after lock pin puts in lock ring; Operating grip promotion lock pull bar drives the passenger cabin leak-tight system makes it airtight, and the airtight back of operating grip pulling lock pull bar releasing passenger cabin lock pin withdraws from from lock ring and unblanks when unblanking.

The difference of the jack width of said lock pull bar and the diameter of gangbar is more than or equal to 10mm.

The bottom of said lock is provided with the sliding sleeve that supplies lock pull bar tail end to slide, the parallel axes of the axis of said sliding sleeve and tail end stop collar, front end stop collar.

Beneficial effect of the present invention is:

1. simple in structure, stand under load contact surface is big, it is firm to lock, and processing technology, assembling are simple relatively, and working service is convenient;

2. with leak-tight system interlock, when locking, the back of locking earlier is airtight, removes passenger cabin when unblanking earlier and unblanks after airtight, has satisfied instructions for use.

Description of drawings

Fig. 1 is one of structural representation of main part of the present invention.

Fig. 2 is two (aircraft door bolt formula locking closes state) of structural representation of the present invention.

Fig. 3 is two (aircraft door bolt formula lock open modes) of structural representation of the present invention.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is further specified:

Embodiment one: referring to Fig. 1.

A kind of aircraft cockpit door bolt formula lock comprises lock pin 1, lock 2; Be positioned at the lock ring 3 that aircraft cabin covers; After aircraft was shut canopy, said lock ring 3 inserted the lock ring hole 4 that is positioned on the fuselage and is located on the inboard of lock 2, the said lock ring 3 of the front end aligning of said lock pin 1 with lock pin 1; Slide in the tail end stop collar 5 of the tail end of lock pin 1 on lock; Said lock pin 1 middle part is provided with the gangbar 6 that is used for lock pin 1 is carried out push-and-pull, and an end and the lock pin 1 of said gangbar 6 are fastenedly connected, and the other end is driven by external force and moves back and forth.

As shown in Figure 1, when locking, put on hatchboard, lock ring 3 falls, and gangbar 6 is promoted to the left side, thereby drive lock pin 1, inserts lock ring 3, can the aircraft cabin cover lock be lived, and gangbar 6 is promoted to the right, drives lock pin 1 and breaks away from lock ring 3, can door bolt formula lock be opened.

Slide in the front end stop collar 7 of the front end of said lock pin 1 on lock 2, can prevent that lock pin 1 from coming off from lock 2.

As preferred embodiment a kind of, the lower end of said gangbar 6 can setting operation handle (not shown in figure 1), and gangbar 6 is carried out the push-and-pull operation.

The bottom of said lock 2 is provided with the sliding sleeve 8 that supplies lock pull bar 9 tail ends to slide, and plays spacing and guide effect.

Embodiment two: referring to Fig. 2, and Fig. 3.

There are many something in common in present embodiment and embodiment one; Its something in common is not given unnecessary details; Difference only is that in the present embodiment, insert in the jack 10 of lock pull bar 9 lower end of said gangbar 6; Jack 10 width of said lock pull bar 9 are greater than the width of gangbar 6; Said lock pull bar 9 also with passenger cabin leak-tight system switch (not shown) interlock, the lower end reciprocating sliding that drives 9 pairs of gangbar 6 of lock pull bar through the operating grip (not shown) drives lock pin 1 and stretches into lock ring 3 lockings or withdraw from lock ring 3 and open, after lock pin 1 puts in lock ring 3; Operating grip promotion lock pull bar 9 drives the passenger cabin leak-tight systems makes it airtight, and the airtight back of operating grip pulling lock pull bar 9 releasing passenger cabins lock pin 1 withdraws from from lock ring 3 and unblanks when unblanking.

After putting on hatchboard, lock ring 3 falls, and the said lock ring 3 of the front end aligning of lock pin 1 is as shown in Figure 2, and operating grip drives lock pull bar 9 according to the direction shown in Fig. 2, and lock pin 1 stretches into lock ring 3.Owing to the width of jack 10 width of locking pull bar 9,,, lock pull bar 9 drive leak-tight systems and make it airtight when lock pin 1 stretches into lock ring 3 so there is an idle stroke between lock pull bar 9 and the gangbar 6 greater than gangbar 6.

In the time will hatch door being opened, promote operating grip according to arrow direction indication among Fig. 3 and drive lock pull bar 9 promotion gangbar 6, withdraw from lock ring 3 thereby promote lock pin 1, then can be with the passenger cabin smooth opening.

Jack 10 width of said lock pull bar 9 are greater than the width of gangbar 6, all have an idle stroke when therefore unblanking and locking, said lock pull bar 9 also with passenger cabin leak-tight system switch gearing, airtight switch is to control through the motion of lock pull bar 9.The back lock pull bar 9 of locking continues motion one and idle stroke, and the briquetting (not shown) on the lock pull bar 9 is depressed airtight switch plunger, and cold air gets into airtight hose through airtight switch, the passenger cabin sealing; Before unblanking, lock pull bar 9 moves an idle stroke to the right earlier, and the briquetting on the lock pull bar 9 leaves airtight switch plunger; Airtight switch plunger is stretched out under spring action, cuts off source of the gas, opens air vent simultaneously; Cold air in the airtight hose is emitted from airtight switch air vent, and the passenger cabin sealing is removed.Lock pull bar 9 continues to move, and door bolt formula lock is opened.

The difference of the jack width of said lock pull bar 9 and the diameter of gangbar 6 that is to say more than or equal to 10mm, all has an idle stroke that is not less than 10mm when unblanking and locking, and when locking, the back of locking earlier is airtight, removes earlier passenger cabin when unblanking and unblanks after airtight.

The bottom of said lock 2 is provided with the sliding sleeve 8 that supplies lock pull bar 9 tail ends to slide, the parallel axes of the axis of said sliding sleeve 8 and tail end stop collar 5, front end stop collar 7.

What embodiments of the invention were announced is preferred embodiment, but is not limited thereto those of ordinary skill in the art; Very easily, understand spirit of the present invention, and make different amplifications and variation according to the foregoing description; But only otherwise break away from spirit of the present invention, all in protection scope of the present invention.

Claims

1. an aircraft cockpit door bolt formula lock comprises lock pin (1), lock (2); Be positioned at the lock ring (3) that aircraft cabin covers; It is characterized in that: after aircraft was shut canopy, said lock ring (3) inserted the lock ring hole (4) be positioned on the fuselage and is located on the inboard of lock (2), the said lock ring of front end aligning (3) of said lock pin (1) with lock pin (1); Slide in the tail end stop collar (5) of the tail end of lock pin (1) on lock; Said lock pin (1) middle part is provided with the gangbar (6) that is used for lock pin (1) is carried out push-and-pull, and an end of said gangbar (6) and lock pin (1) are fastenedly connected, and the other end is driven by external force and moves back and forth.

2. aircraft cockpit door bolt formula lock according to claim 1 is characterized in that: slide in the front end stop collar (7) of the front end of said lock pin (1) on lock (2).

3. aircraft cockpit door bolt formula lock according to claim 1; It is characterized in that: insert in the jack (10) of lock pull bar (9) lower end of said gangbar (6); Jack (10) width of said lock pull bar (9) is greater than the width of gangbar (6); Said lock pull bar (9) also with passenger cabin leak-tight system switch gearing; Driving (9) through operating grip drives lock pin (1) to the lower end reciprocating sliding of gangbar (6) and stretches into lock ring (3) and lock or withdraw from lock ring (3) and open; After lock pin (1) put in lock ring (3), operating grip promotion lock pull bar (9) drove the passenger cabin leak-tight system and makes it airtight, and operating grip pulling lock pull bar (9) releasing passenger cabin airtight back lock pin (1) withdraws from from lock ring (3) and unblanks when unblanking.

4. aircraft cockpit door bolt formula lock according to claim 2, it is characterized in that: the difference of the diameter of the jack width of said lock pull bar (9) and gangbar (6) is more than or equal to 10mm.

5. aircraft cockpit door bolt formula lock according to claim 1; It is characterized in that: the bottom of said lock (2) is provided with the sliding sleeve (8) that supplies lock pull bar (9) tail end to slide, the parallel axes of the axis of said sliding sleeve (8) and tail end stop collar (5), front end stop collar (7).