CN213566507U

CN213566507U - Quick-release chair leg lock

Info

Publication number: CN213566507U
Application number: CN202022494456.1U
Authority: CN
Inventors: 衡光杰; 余建改; 毛军; 陶爽; 余能文
Original assignee: Avic Hubei Ali Jiatai Aircraft Equipment Co ltd
Current assignee: Avic Hubei Ali Jiatai Aircraft Equipment Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-29
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a quick-release chair leg lock, which comprises a lock body, a pressing block, a pressing rod, a limiting rod, a locking rod, a pin and a first elastic piece, wherein the pressing rod passes through the pressing block and is abutted against the lock body, and the limiting rod sequentially passes through one side of the pressing block, the pressing rod and the other side of the pressing block to limit the pressing rod and the pressing block; the locking rod is connected with the lock body in a rotating mode, a through hole is formed in the locking rod, one end of the first elastic piece is fixedly connected with the lock body, the other end of the first elastic piece is fixedly connected with one end of the pin, the other end of the pin can penetrate through the through hole or cannot penetrate through the through hole, the locking rod is limited or not limited in rotation of the lock body, and when the locking rod is limited in rotation of the lock body, the locking rod presses the pressing rod, so that the positioning block of the pressing block is limited in the aircraft guide rail. The utility model solves the problems of troublesome disassembly, time consuming and labor consuming of the prior chair leg lock.

Description

Quick-release chair leg lock

Technical Field

The utility model relates to an aviation seat technical field especially relates to a quick-release chair leg lock.

Background

The connection of the aviation passenger seat and the aircraft guide rail is realized only through the seat leg lock, and the weight of a single passenger seat is more than 40KG, so that the connection strength of the seat leg lock is required to be higher and reliable. And cabin space is narrow, and chair leg lock needs to have the convenient quick characteristics of installation.

Current chair leg locks are typically mechanically tightened. The pressing block is pressed by screwing the bolt, so that the limiting between the chair leg lock and the guide rail is realized. The existing bolt mechanical fixing mode needs to use a special tool and has the requirement of 6.5N.m of tightening torque.

Therefore, the existing chair leg lock adopting the bolt mechanical fixing mode is troublesome to disassemble, wastes time and labor.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a quick-release chair leg lock, which solves the problems of the prior art that the detachment of the chair leg lock is troublesome, time-consuming and labor-consuming.

The utility model provides a quick-release chair leg lock, which comprises a lock body, a pressing block, a pressing rod, a limiting rod, a locking rod, a pin and a first elastic piece, wherein,

the lock body is provided with a connecting piece connected with the seat leg, and the lower parts of the two sides of the lock body extend outwards to form a plurality of sliding blocks;

the two sides of the lower part of the pressing block extend outwards to form a plurality of positioning blocks, the positioning blocks and the sliding block are arranged in a staggered mode, when the pressing block and the lock body are limited, the sliding block and the positioning blocks are located on the same horizontal line, the pressing rod penetrates through the pressing block and extends into the lock body, and the limiting rod sequentially penetrates through one side of the pressing block, the pressing rod and the other side of the pressing block to enable the pressing rod and the pressing block to be limited;

the locking lever with the lock body rotates to be connected, be formed with a through-hole on the locking lever, the one end of first elastic component with lock body fixed connection, the other end of first elastic component with the one end fixed connection of pin, the pin set up in the through-hole and roll-off outside the through-hole, work as the pin is located during in the through-hole, the locking lever with the lock body rotates spacingly, works as the pin is located when the through-hole is outer, the locking lever can for the lock body rotates, works as the locking lever with when the lock body rotates spacingly, the locking lever is pushed down the depression bar, so that the locating piece restriction of briquetting is in aircraft guide rail.

Preferably, the quick-release chair leg lock in, the briquetting includes two curb plates and a connecting plate, two the curb plate is located respectively the both sides of lock body, a curb plate is connected respectively at the both ends of connecting plate, the depression bar passes the connecting plate, the gag lever post passes two the curb plate, a plurality of the locating piece set up respectively in two on the curb plate.

Preferably, the quick-release chair leg lock further comprises a second elastic piece, the second elastic piece is arranged in the lock body, and the pressing rod penetrates through the second elastic piece and is abutted to the lock body.

Preferably, in the quick-release chair leg lock, the first elastic member is a spring.

Preferably, in the quick release chair leg lock, the second elastic element is a butterfly washer.

Preferably, in the quick-release chair leg lock, the lock rod is rotatably connected with the lock body through a rotating shaft.

Preferably, the quick-release chair leg lock in, the lock body has the locking sign, works as the locking lever with the lock body rotates when spacing, the locking sign by the locking lever shelters from, works as the locking lever with the lock body does not rotate when spacing, the locking sign exposes.

[ PROBLEMS ] the present invention

The utility model provides a quick-release chair leg lock restricts the rotation of locking lever through the pin, makes the briquetting is pushed down unable realization upward movement, can realize spacing between leg chair lock and the guide rail fast, need not the artifical bolt of screwing up, and is simple and convenient, labour saving and time saving, when chair leg lock is dismantled to needs, only needs to extrude first elastic component, can make the pin throw off with the locking lever to make the briquetting can the upward movement, can break away from the aircraft guide rail fast, realize dismantling fast, simple and convenient.

Drawings

FIG. 1 is an exploded view of a preferred embodiment of the quick release chair leg lock of the present invention;

fig. 2 is a schematic structural view of a preferred embodiment of the quick release chair leg lock of the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

Referring to fig. 1 and 2, a quick release chair leg lock according to an embodiment of the present invention includes a lock body 1, a pressing block 2, a pressing rod 3, a limiting rod 4, a locking rod 5, a pin 6, and a first elastic member 7.

The lock body 1 is provided with a connecting piece 11 connected with a seat leg, and the lower parts of two sides of the lock body 1 extend outwards to form a plurality of sliding blocks 12. The connecting piece 11 realizes the connection of whole chair leg lock and seat leg, slider 12 and aircraft guide rail cooperation, and the aircraft guide rail has the straight line groove, and the both sides in straight line groove have seted up the spacing groove along length direction, and the upper portion interval of spacing groove is seted up the bayonet socket with slider 12 adaptation, slider 12 can slide along the spacing groove.

The lower part both sides of briquetting 2 are stretched out outward and are formed with a plurality of locating piece 21, locating piece 21 with slider 12 sets up that staggers each other, works as briquetting 2 with during 1 is spacing of lock body, slider 12 with locating piece 21 is located same water flat line, depression bar 3 passes briquetting 2 and stretches into inside the lock body 1, gag lever post 4 passes in proper order one side, depression bar 3 of briquetting 2 and the opposite side of briquetting 2 makes depression bar 3 with 2 are spacing of briquetting. The positioning block 21 can be clamped in the clamping opening, and when the positioning block 21 is clamped in the clamping opening, the upper surface of the positioning block is higher than the limiting groove. The pressing rod 3 and the pressing block 2 are limited, and when the pressing rod 3 is pressed downwards by an external force, the pressing rod 3 and the pressing block 2 cannot move upwards, so that the positioning block of the pressing block 2 is limited in the airplane guide rail.

Locking lever 5 with 1 rotation of lock body is connected, be formed with a through-hole 5a on the locking lever 5, the one end of first elastic component 7 with 1 fixed connection of lock body, the other end of first elastic component 7 with the one end fixed connection of pintle 6, pintle 6 set up in through-hole 5a and can roll off outside through-hole 5a, work as pintle 6 is located during in through-hole 5a, locking lever 5 with lock body 1 rotates spacingly, works as pintle 6 is located when through-hole 5a is outside, locking lever 5 can for lock body 1 rotates, works as locking lever 5 with lock body 1 rotates spacingly, locking lever 5 pushes down depression bar 3, so that the locating piece 21 restriction of briquetting 2 is in the aircraft guide rail. In a preferred embodiment, the pressing rod 3 also penetrates through the locking rod 5 to ensure the stability and strength during pressing.

Specifically, when the chair leg lock is in a closed state, the pin 6 penetrates through the through hole 5a, the first elastic piece 7 is in an uncompressed state, and the pin 6 limits the rotating motion of the lock rod 5, so that the press rod 3 is pressed, the press block 2 cannot move upwards, and the press block 2 is limited in a limit groove of the aircraft guide rail; when the chair leg lock is opened to needs, press through the instrument the other end of

pintle

6, 6 extrudees of pintle first elastic component 7, thereby make 6 withdraws from of pintle through-hole 5a, locking lever 5 this moment with lock body 1 does not rotate spacingly, and locking lever 5 can upwards rotate, with depression bar 3 does not receive the force, so time briquetting 2 can the upward movement, leaves the spacing groove of aircraft guide rail, realizes the dismantlement of seat.

The utility model discloses a rotation of lock lever 5 is restricted to pin 6, makes briquetting 2 is pushed down unable realization upward movement, can realize spacing between leg chair lock and the guide rail fast, need not the artifical bolt of screwing up, when the chair leg lock is dismantled to needs, only needs to extrude first elastic component 7, can make pin 6 throw off with lock lever 5 to make briquetting 2 can the upward movement, can break away from the aircraft guide rail fast, realize dismantling fast, simple and convenient.

In a preferred embodiment, please refer to fig. 1 again, the pressing block 2 includes two side plates 22 and a connecting plate 23, the two side plates 22 are respectively located at two sides of the lock body 1, two ends of the connecting plate 23 are respectively connected to the side plates 22, the pressing rod 3 penetrates through the connecting plate 23, the limiting rod 4 penetrates through the two side plates 22, and the positioning blocks 21 are respectively disposed on the two side plates 22. Briquetting 22 has stronger joint strength, the position relation of gag lever post 4 and curb plate 22 and the depression bar 3 with the position relation of connecting plate 23 can guarantee depression bar 3 can push down when receiving decurrent power briquetting 2 guarantees the seat leg with the steadiness that the chair leg lock is connected.

Referring to fig. 1, the quick-release chair leg lock further includes a second elastic member 8, the second elastic member 8 is disposed in the lock body 1, and the pressing rod 3 passes through the second elastic member 8 and abuts against the lock body 1. The second elastic part 8 can provide upward restoring force when the chair leg lock is disassembled, so that the pressing block 2 can be quickly separated from the airplane guide rail, and the disassembling speed is accelerated.

In specific implementation, the first elastic member 7 is a spring with good compression and recovery capabilities, and the second elastic member 8 is a butterfly washer.

In the preferred embodiment, with continued reference to fig. 1, the lock lever 5 is rotatably connected to the lock body 1 via a rotating shaft 9 to ensure smooth rotation.

In a preferred embodiment, the lock body 1 further has a locking mark, when the lock rod 5 and the lock body 1 rotate for limiting, the locking mark is shielded by the lock rod 5, and when the lock rod 5 and the lock body 1 do not rotate for limiting, the locking mark is exposed. Through locking sign, can make things convenient for the staff to judge fast whether fixed the target in place of chair leg lock, it is more clear obvious, facilitate for the staff.

To sum up, the utility model provides a quick-release chair leg lock restricts the rotation of locking lever through the pin, makes the briquetting is pushed down unable realization upward movement, can realize spacing between leg chair lock and the guide rail fast, need not the artifical bolt of screwing up, and is simple and convenient, labour saving and time saving, when chair leg lock is dismantled to needs, only needs to extrude first elastic component, can make the pin throw off with the locking lever to make the briquetting can the upward movement, can break away from the aircraft guide rail fast, realize dismantling fast, simple and convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A quick-release chair leg lock is characterized by comprising a lock body, a pressing block, a pressing rod, a limiting rod, a locking rod, a pin and a first elastic piece, wherein,

the locking lever with the lock body rotates to be connected, be formed with a through-hole on the locking lever, the one end of first elastic component with lock body fixed connection, the other end of first elastic component with the one end fixed connection of pin, the pin activity set up in the through-hole and roll-off outside the through-hole, work as the pin is located during in the through-hole, the locking lever with the lock body rotates spacingly, works as the pin is located during outside the through-hole, the locking lever can for the lock body rotates, works as the locking lever with when the lock body rotates spacingly, the locking lever is pushed down the depression bar, so that the locating piece restriction of briquetting is in aircraft guide rail.

2. The lock of claim 1, wherein the press block comprises two side plates and a connecting plate, the two side plates are respectively disposed on two sides of the lock body, two ends of the connecting plate are respectively connected to one side plate, the pressing rod penetrates through the connecting plate, the limiting rod penetrates through the two side plates, and a plurality of positioning blocks are respectively disposed on the two side plates.

3. The quick release chair leg lock of claim 1, further comprising a second resilient member, the second resilient member being disposed within the lock body, the plunger passing through the second resilient member to abut the lock body.

4. The quick release chair leg lock according to claim 1, wherein the first resilient member is a spring.

5. The quick release chair leg lock according to claim 3, wherein the second resilient member is a butterfly washer.

6. The quick release chair leg lock of claim 1, wherein the lock bar is rotatably connected to the lock body by a shaft.

7. The quick-release chair leg lock according to claim 1, wherein the lock body has a locking mark, when the lock rod and the lock body rotate for a limit, the locking mark is shielded by the lock rod, and when the lock rod and the lock body do not rotate for a limit, the locking mark is exposed.