CN115447450A

CN115447450A - Unlocking mechanism of easy-entry seat

Info

Publication number: CN115447450A
Application number: CN202211255036.5A
Authority: CN
Inventors: 何军; 方营; 杨英元; 赖炎兴
Original assignee: Guangzhou Andaotuo Automobile Seat Co ltd
Current assignee: Guangzhou Andaotuo Automobile Seat Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-09

Abstract

The invention relates to an unlocking mechanism easy to enter a seat, which comprises an upper connecting plate, a lower connecting plate and an angle adjuster core piece, wherein one side of the lower connecting plate, which is far away from the upper connecting plate, is fixedly provided with an installation base, the installation base is provided with a first pin shaft, a second pin shaft and a limiting pin, the first pin shaft is sleeved with a plectrum reset torsion spring and a rotary plectrum, two ends of the plectrum reset torsion spring are respectively hooked on the installation base and the rotary plectrum, the second pin shaft is sleeved with a bracket reset torsion spring and a rotary bracket, two ends of the bracket reset torsion spring are respectively hooked on the installation base and the rotary bracket, and the upper part of the upper connecting plate is provided with a limiting block; the tail of the rotary shifting piece is provided with a cable head jack, the tail of the rotary support is provided with a labyrinth wire casing, and the head of the rotary support is abutted with the head of the rotary shifting piece or a limiting block. The beneficial effects are that: simple structure, spare part are few, improve release mechanism's assembly efficiency, bulk strength, have solved runing rest collision yielding, the automobile dragging rope easily takes off and the easy problem of jamming.

Description

Unlocking mechanism of easy-entry seat

Technical Field

The invention relates to the technical field of automobile seats, in particular to an unlocking mechanism for a seat allowing a back-row passenger to easily enter the seat.

Background

When passengers in the third row enter the vehicle, the backrests of the seats in the second row need to be forwards inclined by a certain angle and forwards moved for a certain distance, so that enough access space is provided, and the passengers in the third row can get on the vehicle conveniently.

However, the existing unlocking mechanism of the seat with the easy-entry function has the following problems:

1. the unlocking mechanism is too complex, the number of parts is too large, and the assembly efficiency is low;

2. the overall strength of the unlocking mechanism is insufficient;

3. the stay cable head of the unlocking mechanism is blocked, and the stay cable steel wire rope is broken;

4. the rotating bracket of the unlocking mechanism is easy to deform in collision.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides an unlocking mechanism with easy access to a seat.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

an unlocking mechanism of an easily-entered seat comprises an upper connecting plate, a lower connecting plate and an angle adjuster core piece of an automobile seat angle adjuster, wherein the upper connecting plate is hinged with the lower connecting plate through the angle adjuster core piece, one side, far away from the upper connecting plate, of the lower connecting plate is fixedly provided with a circular mounting base, the mounting base is provided with a first pin shaft, a second pin shaft and a limiting pin, the limiting pin is positioned below the first pin shaft, the first pin shaft is sleeved with a plectrum reset torsion spring and a linear rotating plectrum, two ends of the plectrum reset torsion spring are respectively hooked on the mounting base and the rotating plectrum, the second pin shaft is sleeved with a support reset torsion spring and a 7-shaped rotating support, two ends of the support reset torsion spring are respectively hooked on the mounting base and the rotating support, and the upper part of the upper connecting plate is provided with a limiting block;

the tail part of the rotary shifting piece is provided with a cable head jack for inserting a cable head of an automobile cable, the tail part of the rotary support is provided with a labyrinth type wire groove for sleeving a steel strand of the automobile cable, and the head part of the rotary support is abutted against the head part of the rotary shifting piece or a limiting block.

Furthermore, an arc-shaped guide support plate is arranged in front of the second pin shaft on the mounting base, and a guide groove with an upward opening is formed in the guide support plate.

And a plurality of reinforcing ribs protruding towards the direction of the lower connecting plate are arranged on the mounting base.

The periphery of the mounting base is provided with a plurality of supporting plates formed by bending towards the direction of the lower connecting plate, and the supporting plates are fixedly connected with the lower connecting plate.

The invention has the beneficial effects that:

the unlocking mechanism is simple in structure, few in parts and capable of being pre-assembled with the upper connecting plate and the lower connecting plate of the automobile seat angle adjuster to serve as an angle adjuster assembly and then be assembled and connected with the automobile seat, so that the assembling efficiency of the unlocking mechanism is improved, meanwhile, the technical scheme enables the overall strength of the unlocking mechanism to be greatly improved, the unlocking mechanism is more firm to mount, the reject ratio of functional failure is reduced, and the service life of the unlocking mechanism is prolonged; the arc-shaped guide support plate with the guide groove plays a role in centering positioning and buffering energy absorption on the rotating support, the overall strength of the unlocking mechanism is improved, and the problem that the rotating support is easy to deform during collision is solved; the steel strand of the automobile cable is sleeved in the labyrinth wire groove, and the spherical cable head of the automobile cable is intercepted at the labyrinth wire groove of the rotating support, so that the quick assembly of the automobile cable is realized, and the problems that the automobile cable is easy to separate and is easy to clamp are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of an unlocking mechanism in a pre-installed state with an upper connecting plate and a lower connecting plate;

FIG. 2 is an exploded view of the release mechanism of the present invention;

FIG. 3 is a schematic view of a first view of the release mechanism of the present invention mounted to a vehicle seat;

FIG. 4 is a schematic view of the release mechanism of the present invention mounted to a vehicle seat from a second perspective;

FIG. 5 is a schematic view of the easy entry seat release mechanism of the present invention in its initial configuration;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a schematic view of the easy entry seat release mechanism of the present invention after movement;

FIG. 8 is an enlarged view of the portion B of FIG. 7;

the numbering in the figures illustrates: the automobile seat comprises an automobile seat 100, a backrest framework 101, a cushion framework 102, an easy-entry unlocking handle 103, a first cable 104, a second cable 105, a backrest unlocking mechanism 106, a sliding rail unlocking support 107, an upper connecting plate 1, a lower connecting plate 2, an angle adjuster core piece 3, an installation base 4, a supporting plate 5, a reinforcing rib 6, a first pin 7, a second pin 8, a limiting pin 9, a plectrum resetting torsion spring 10, a rotating plectrum 11, a flanging 12, an anti-falling groove 13, a support resetting torsion spring 14, a rotating support 15, a limiting block 16, a torsion spring jack 17, a torsion spring limiting groove 18, a metal bush 19, a cable head jack 20, a labyrinth wire groove 21, a convex tooth 22, a guide support plate 23, a guide groove 24, a first cable support 25, a second cable support 26, a clamping groove 27 and a rectangular through hole 28.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in combination with embodiments.

As shown in fig. 1 to 8, an unlocking mechanism for an easy-entry seat comprises an upper connecting plate 1, a lower connecting plate 2 and an angle adjuster core 3 of an angle adjuster of an automobile seat, wherein the upper connecting plate 1 is connected with one side of a backrest framework 101 of the automobile seat 100, the lower connecting plate 2 is connected with one side of a cushion framework 102 of the automobile seat 100, and the upper connecting plate 1 is hinged with the lower connecting plate 2 through the angle adjuster core 3.

One side that lower junction plate 2 kept away from upper junction plate 1 is fixed mounting has annular installation base 4, and the periphery of installation base 4 is equipped with 3 backup pads 5 that bend the formation to 2 directions of lower junction plate, backup pad 5 and lower junction plate 2 rigid couplings. The installation base 4 is provided with a plurality of reinforcing ribs 6 protruding towards the direction of the lower connecting plate 2 so as to increase the sheet metal strength of the installation base 4.

The mounting base 4 is provided with a first pin shaft 7, a second pin shaft 8 and a limit pin 9, the limit pin 9 is positioned below the first pin shaft 7, the first pin shaft 7 is sleeved with a shifting piece reset torsion spring 10 and a linear rotary shifting piece 11, and two ends of the shifting piece reset torsion spring 10 are respectively hooked on the mounting base 4 and the rotary shifting piece 11. The concrete structure is as follows: a flanging 12 extending in the direction away from the upper connecting plate 1 is arranged above the first pin shaft 7 on the mounting base 4, and one end of the plectrum reset torsion spring 10 is hooked at the root of the flanging 12; the top end of the head part of the rotary plectrum 11 is provided with a concave anti-drop groove 13, and the other end of the plectrum reset torsion spring 10 is hooked in the anti-drop groove 13.

The cover has the runing rest 15 of support reset torsion spring 14 and "7" style of calligraphy on 8 round pin axles of second, both ends of support reset torsion spring 14 collude respectively on installation base 4 and runing rest 15, stopper 16 is installed on the upper portion of upper junction plate 1, the upper portion of upper junction plate 1 is equipped with a rectangle through-hole 28, the stopper interference is installed in the rectangle through-hole, the unlocking angle that sets up according to unlocking mechanism is in order to confirm the suitable position of stopper, the backstop portion of stopper can promote the butt portion counter-clockwise turning of runing rest when using the seat to easily get into the function, concrete structure is: the installation base 4 is provided with a torsion spring jack 17 in front of the second pin shaft 8, the top end of the middle part of the rotating bracket 15 is provided with a torsion spring limiting groove 18, one end of the bracket reset torsion spring 14 hooks the torsion spring jack 17, and the other end of the bracket reset torsion spring 14 hooks the torsion spring limiting groove 18.

In order to prolong the service life of the first pin 7 and the second pin 8, a metal bushing 19 which can rotate freely is respectively arranged between the first pin 7 and the rotary shifting piece 11 and between the second pin 8 and the rotary bracket 15.

The afterbody of rotatory plectrum 11 is equipped with the first male socket 20 of cable that supplies the automobile dragging rope, the afterbody of runing rest is equipped with the labyrinth wire casing 21 that supplies the steel strand wires of automobile dragging rope to embolia, labyrinth wire casing 21 specifically includes the steel strand wires entry that communicates in proper order from the back to the front, steel strand wires slide in passageway and ball-type inhaul cable head spacing groove, the steel strand wires entry, steel strand wires slide in passageway and ball-type inhaul cable head spacing groove and become the zigzag type labyrinth and arrange, this labyrinth wire casing is convenient for the steel strand wires and embolias, can prevent the steel strand wires slippage, the labyrinth wire casing has sufficient activity space can avoid the steel strand wires jamming.

The head of the rotating bracket 15 abuts against the head of the rotary pick 11 or the stopper 16. The cable pulls the rotary shifting piece to rotate clockwise, and the rotary shifting piece shifts the rotary bracket to rotate anticlockwise until the rotary shifting piece is contacted with the limit pin 9 and then stops.

The bottom end of the head of the rotating bracket 15 is provided with a convex tooth 22 protruding downwards, and the convex tooth 22 can be abutted against the head of the rotating shifting piece 11.

An arc-shaped guide support plate 23 is arranged in front of the second pin shaft 8 on the mounting base 4, a guide groove 24 with an upward opening is formed in the guide support plate 23, and when the head of the rotating support 15 rotates forwards, the guide groove 24 plays a role in guiding and limiting the rotating support 15, namely, the forward-tilting inclination angle of the backrest of the automobile seat 100 is limited. Guide way 24 in this embodiment is fixed on the installation base for U type guide bracket, and release mechanism is at the unblock in-process square stopper can take place rapid impact with runing rest, produces impact in the twinkling of an eye, so guide bracket plate 23 design has U type groove to carry out location between two parties and buffering energy-absorbing to the runing rest, has improved the bulk strength of mechanism, solves the yielding problem of runing rest collision of release mechanism.

A first L-shaped cable support 25 is fixedly arranged below the limiting pin 9 on the mounting base 4, a second L-shaped cable support 26 is fixedly arranged in front of the head of the rotating support 15 on the lower connecting plate 2, and a clamping groove 27 for fixing an automobile cable shell is respectively arranged on the first cable support 25 and the second cable support 26.

The guide support plate 23, the first cable support 25, the second cable support 26, the turned-over edge 12, the first pin shaft 7, the second pin shaft 8 and the limit pin 9 are matched to form a protective framework which plays a protective role on the rotating shifting piece 11 and the rotating support 15, and the rotating shifting piece 11 and the rotating support 15 can be prevented from being deformed by collision.

Referring to fig. 3 to 8, in specific application, an easy-entry unlocking handle 103 is installed at the top of a backrest framework 101 of an automobile seat 100, a first dragline 104 with two draglines and a second dragline 105 with one dragline are installed in the automobile seat 100, a driving end of the first dragline 104 is connected with the easy-entry unlocking handle 103, one driven end of the first dragline 104 is connected with a backrest unlocking mechanism 106 of the automobile seat 100, a cable head of the other driven end of the first dragline 104 is inserted into a cable head jack 20 at the tail of a rotary plectrum 11, and an outer shell of the other driven end of the first dragline 104 is clamped in a clamping groove 27 on a first dragline bracket 25; the steel strand wires of the driving end of the second inhaul cable 105 are clamped into the labyrinth wire grooves 21 at the tail part of the rotating support 15, two driven ends of the second inhaul cable 105 are respectively connected with two sliding rail unlocking supports 107 of the automobile seat 100, the shell of the driving end of the second inhaul cable 105 is clamped in the clamping grooves 27 on the second inhaul cable support 26, in addition, the driving end of the second inhaul cable 105 is designed into a ball head structure and is clamped in the clamping grooves 27 corresponding to the rotating support, so that the rapid assembly of the inhaul cable is realized, and the problems that the inhaul cable is easy to separate from and is easy to clamp stagnation are solved.

The working principle of the embodiment is as follows: when a passenger in the rear row gets on or off the vehicle, the passenger is pulled by a hand to enter the unlocking handle easily, the backrest unlocking mechanism of the automobile seat is unlocked through the transmission action of the first inhaul cable, the tail part of the rotary poking piece is pulled downwards, the rotary poking piece rotates clockwise until the rotary poking piece rotates 45 degrees and stops rotating after being contacted with the limiting pin, the head part of the rotary bracket is pushed by the head part of the rotary bracket when the rotary poking piece rotates clockwise to drive the rotary bracket to rotate 30 degrees anticlockwise, so that the tail part of the rotary bracket moves backwards, the two slide rail unlocking brackets of the automobile seat are unlocked through the transmission action of the second inhaul cable, at the moment, if the passenger pushes the backrest of the automobile seat forwards, the backrest of the automobile seat tilts forwards, the limiting block is abutted against the head part of the rotary bracket, the head part of the rotary bracket continues to push forwards, so that the tail part of the rotary bracket continues to move backwards until the rotary bracket continues to rotate 25 degrees anticlockwise to be contacted with the guiding bracket and stopped, the backrest of the automobile seat can tilt forwards; if the occupant pulls the backrest of the car seat backward, the backrest of the car seat is tilted backward and the car seat is moved backward.

The easy-entry unlocking handle is loosened, the rotary shifting piece is restored to the initial position under the restoring force action of the shifting piece resetting torsion spring, namely, the bottom end of the head part of the rotary shifting piece is abutted against the limit pin; the rotating support is restored to the initial position under the restoring force action of the support reset torsion spring, namely the head of the rotating support is abutted to the head of the rotating shifting piece.

In this embodiment, the limiting block, the rotary shifting piece, the shifting piece resetting torsion spring, the limiting pin, the rotary bracket, the bracket resetting torsion spring, the guide bracket plate and other parts are pre-installed on the installation base, and then the installation base and the lower connecting plate of the angle adjuster are assembled and fixed to form the angle adjuster assembly.

It should be noted that the angle of the rotating poking sheet rotating in the clockwise direction and the angle of the rotating bracket rotating in the counterclockwise direction are adaptively adjusted according to the vehicle type and the internal space of the carriage. In the description of the present invention, it should be understood that the rotation directions are all referred to as clockwise or counterclockwise direction as understood by the reference facing the left side of the seat when the unlocking mechanism of the easy entry seat of the present application is installed at the left side of the seat, and the relative rotation directions of the respective components are opposite when the unlocking mechanism of the easy entry seat of the present application is installed at the right side of the seat.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed.

Claims

1. The utility model provides an easy unlocking mechanism who enters seat, includes the upper junction plate, lower connecting plate and angle modulation ware core of car seat angle modulation ware, the upper junction plate is articulated with angle modulation ware core for the lower connecting plate, its characterized in that: a circular mounting base is fixedly mounted on one side, away from the upper connecting plate, of the lower connecting plate, a first pin shaft, a second pin shaft and a limiting pin are mounted on the mounting base, the limiting pin is located below the first pin shaft, a shifting piece reset torsion spring and a linear rotating shifting piece are sleeved on the first pin shaft, two ends of the shifting piece reset torsion spring are respectively hooked on the mounting base and the rotating shifting piece, a support reset torsion spring and a 7-shaped rotating support are sleeved on the second pin shaft, two ends of the support reset torsion spring are respectively hooked on the mounting base and the rotating support, and a limiting block is mounted on the upper portion of the upper connecting plate;

the tail part of the rotary shifting piece is provided with a cable head jack for inserting a cable head of an automobile cable, the tail part of the rotary support is provided with a labyrinth type wire groove for sleeving a steel strand of the automobile cable, and the head part of the rotary support is abutted to the head part of the rotary shifting piece or a limiting block.

2. The unlock mechanism of claim 1 wherein: an arc-shaped guide support plate is arranged in front of the second pin shaft on the mounting base, and a guide groove with an upward opening is formed in the guide support plate.

3. The unlock mechanism of claim 1, wherein: a flange extending in the direction away from the upper connecting plate is arranged above the first pin shaft on the mounting base, and one end of the poking piece reset torsion spring is hooked at the root of the flange.

4. The unlock mechanism of claim 1, wherein: the installation base is located the below fixed mounting of spacer pin and is had the first cable support of L type, the head the place ahead fixed mounting who is located the runing rest on the connecting plate has the second cable support of L type down, be equipped with a double-layered groove that is used for fixed automobile dragging rope shell on first cable support and the second cable support respectively.

5. The unlock mechanism of claim 1 wherein: and the mounting base is provided with a plurality of reinforcing ribs protruding towards the direction of the lower connecting plate.

6. The unlock mechanism of claim 1, wherein: the periphery of the mounting base is provided with a plurality of supporting plates which are formed by bending towards the direction of the lower connecting plate, and the supporting plates are fixedly connected with the lower connecting plate.

7. The unlock mechanism of claim 1, wherein: the installation base is provided with a second pin shaft, the top end of the middle of the rotary support is provided with a second pin shaft, the second pin shaft is connected with the second pin shaft, the installation base is provided with a torsional spring jack in front of the second pin shaft, the top end of the middle of the rotary support is provided with a torsional spring limiting groove, one end of the support reset torsional spring hooks the torsional spring jack, and the other end of the support reset torsional spring hooks the torsional spring limiting groove.

8. The unlock mechanism of claim 1, wherein: the top end of the head part of the rotary poking sheet is provided with a concave anti-falling groove, and the other end of the poking sheet reset torsion spring is hooked in the anti-falling groove.

9. The unlock mechanism of claim 1 wherein: the bottom end of the head of the rotating support is provided with a convex tooth protruding downwards, and the convex tooth can be abutted to the head of the rotating shifting piece.