CN110303953B

CN110303953B - Automobile copilot cushion tilting mechanism

Info

Publication number: CN110303953B
Application number: CN201910529315.8A
Authority: CN
Inventors: 黄应鹏; 卢映辉; 李亮
Original assignee: Shandong Wuzheng Group Co Ltd; Zhejiang Feidie Automobile Manufacturing Co Ltd
Current assignee: Shandong Wuzheng Group Co Ltd; Zhejiang Feidie Automobile Manufacturing Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-10-27
Anticipated expiration: 2039-06-19
Also published as: CN110303953A

Abstract

The invention relates to the technical field of automobiles, in particular to an automobile copilot cushion turnover mechanism which comprises a cushion, wherein the turnover mechanism comprises a limiting mechanism and a plurality of coaxial hinges, each hinge comprises a first hinge part and a second hinge part, the first hinge part is hinged with the second hinge part through a hinge shaft, two limiting rod heads are integrally formed on the first hinge part, each limiting mechanism comprises a bidirectional ratchet locking assembly and a linkage assembly, each bidirectional ratchet locking assembly comprises a ratchet and a claw, the invention adopts a seat rest separation structure, adopts a scheme of independently overturning the cushion, solves the problems of troublesome turnover and large turnover force of a copilot seat, can ensure that the cushion can be rotated to any position and can be stopped at any time when lifted, can ensure that the cushion cannot fall down, and releases the hands of a person to take and place articles, the limiting rod head can avoid excessive overturning, and the service life of the seat is prolonged.

Description

Automobile copilot cushion tilting mechanism

Technical Field

The invention relates to the technical field of automobiles, in particular to a turnover mechanism for a copilot cushion of an automobile.

Background

The customer need take the article of storing box the inside of front passenger seat below, need turn over the front passenger seat, what general front passenger seat adopted is the scheme that turns over whole seat together, troublesome poeration like this, need overturn again with falling down the back earlier, secondly because the seat leans on the upset together, the turnover force is big, and in the time of the upset, the cushion is unsettled, personnel need hold up the cushion in vacating a hand, it is inconvenient for personnel to get and put the thing, and current cushion is in the upset, easy excessive upset has certain damage to turnover mechanism, the life that leads to the seat is shorter.

Disclosure of Invention

The invention aims to provide a turnover mechanism for a seat cushion of a copilot of an automobile, which aims to solve the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a car copilot cushion tilting mechanism, including the cushion, tilting mechanism is including stop gear and the coaxial hinge of a plurality of, the hinge including with cushion bottom fixed connection's first articulated portion and with vapour car skeleton fixed connection's second articulated portion, first articulated portion is articulated through articulated shaft and second articulated portion, integrated into one piece has two spacing pole heads, two on the first articulated portion the central line of spacing pole head all is perpendicular with the articulated shaft axis, and the axis level of articulated shaft sets up, stop gear is including two-way ratchet locking subassembly and the linkage subassembly that is used for adjusting two-way ratchet locking subassembly locking direction, two-way ratchet locking subassembly including install on the articulated shaft ratchet and can with the jack catch of ratchet joint.

Further, the jack catch is including the arc structure, the both ends of jack catch all are provided with the ratchet groove that can with the ratchet joint, the jack catch mid point on the pitch arc is provided with the axis of rotation, the central line of axis of rotation and the central line of articulated shaft are parallel.

Further, the linkage subassembly including install in the axis of rotation gear and with gear engagement's rack, the length direction horizontal perpendicular to axis of rotation of rack, the rack bottom is provided with the U-shaped slider, U-shaped slider sliding fit has the U-shaped slide, the one end of U-shaped slider is provided with vertical groove, the vertical inslot of U-shaped slider is provided with can vertical gliding stopper, the U-shaped slide is provided with H shape spacing groove, the one end of stopper stretches out from the spacing inslot.

Further, the bottom of U-shaped slide is provided with the buffing pad, the buffing pad is including the fixed guide bar that sets up in U-shaped slide bottom of a plurality of, and the central line of all guide bars is all parallel with the length direction of rack, the guide pad is all installed at the both ends of guide bar, and the both ends of all guide bars are all overlapped and are equipped with buffer spring, buffer spring's the one end of conflicting U-shaped slide, buffer spring's the other end conflicts the guide pad.

Further, the bottom of U-shaped slide is provided with the buffing pad, the buffing pad sets up the guide bar under the U-shaped slide including a plurality of level, the bottom of U-shaped slide is provided with a plurality of and all guide bar sliding fit's uide bushing, and the central line of all guide bars is all parallel with the length direction of rack, the fixing base is all installed at the both ends of guide bar, and the both ends of all guide bars are all overlapped and are equipped with buffer spring, buffer spring's the one end of U-shaped slide of contradicting, buffer spring's the other end is contradicted the fixing base.

Furthermore, the included angle of the center lines of the two limiting rod heads is 60 degrees.

The invention provides a turnover mechanism for a passenger seat cushion of an automobile through improvement, which has the following improvements and advantages compared with the prior art:

one is as follows: the invention adopts a seat-backrest separation structure and a scheme of independently overturning the cushion, and solves the problems of troublesome overturning and large overturning force of the front passenger seat.

The second step is as follows: the bidirectional ratchet wheel locking assembly can ensure that when the cushion is lifted up, the cushion can be rotated to any position and can be stopped at any time, the cushion is ensured not to fall down, and the hands of a liberator are liberated to take and place articles;

and thirdly: the limiting rod head can avoid excessive overturning, and the service life of the seat is prolonged.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of the present invention and seat cushion and vehicle frame;

FIG. 2 is a first perspective view of the hinge and seat cushion of the present invention;

FIG. 3 is a second schematic perspective view of the hinge and seat cushion of the present invention;

FIG. 4 is a third schematic perspective view of the hinge and seat cushion of the present invention;

FIG. 5 is a schematic perspective view of the hinge, the limiting mechanism and the seat cushion of the present invention;

FIG. 6 is a schematic perspective view of the spacing mechanism of the present invention;

FIG. 7 is a perspective view of the bi-directional ratchet locking assembly of the present invention;

FIG. 8 is a first perspective view of the linkage assembly and jaws of the present invention;

FIG. 9 is a second perspective view of the linkage assembly and jaws of the present invention;

FIG. 10 is a perspective view of a buffer base and a linkage assembly according to an embodiment of the present invention;

FIG. 11 is a schematic perspective view of a buffer base and a linkage assembly according to a second embodiment of the present invention;

description of reference numerals:

the cushion comprises a cushion 1, a hinge 2, a first hinge part 21, a second hinge part 22, a hinge shaft 23, a limiting rod head 24, a bidirectional ratchet locking component 5, a ratchet 51, a claw 52, a first ratchet groove 53, a second ratchet groove 54, a rotating shaft 55, a linkage component 6, a gear 61, a rack 62, a U-shaped slideway 63, a U-shaped sliding block 64, a vertical groove 65, a limiting block 66, an H-shaped limiting groove 67, a buffer seat 7, a guide rod 71, a guide seat 72, a buffer spring 73, a guide sleeve 74 and a fixed seat 75.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a turnover mechanism for a passenger seat cushion of an automobile through improvement, which comprises the following components:

the first embodiment is as follows:

as shown in fig. 1-11, the turnover mechanism comprises a cushion 1, the turnover mechanism comprises a limiting mechanism and a plurality of coaxial hinges 2, the hinges 2 comprise a first hinge part 21 fixedly connected with the bottom of the cushion 1 and a second hinge part 22 fixedly connected with an automobile framework, the first hinge part 21 is hinged with the second hinge part 22 through a hinge shaft 23, two limiting rod heads 24 are integrally formed on the first hinge part 21, the center lines of the two limiting rod heads 24 are both vertical to the axis of the hinge shaft 23, the axis of the hinge shaft 23 is horizontally arranged, the limiting mechanism comprises a bidirectional ratchet locking component 5 and a linkage component 6 for adjusting the locking direction of the bidirectional ratchet locking component 5, the bidirectional ratchet locking component 5 comprises a ratchet 51 arranged on the hinge shaft 23 and a claw 52 capable of being clamped with the ratchet 51, the claw 52 is rotated, the end part of the claw 52 being clamped with the ratchet 51 is replaced, the seat cushion 1 can be stopped at any time when it rotates to any position, and the hinge shaft 23 is fixedly connected to the first hinge part 21.

Jaw 52 is including the arc structure, jaw 52's both ends all are provided with the ratchet groove that can with ratchet 51 joint, jaw 52 midpoint point on the pitch arc is provided with axis of rotation 55, the central line of axis of rotation 55 and the central line of articulated shaft 23 are parallel, and when jaw 52's ratchet groove and ratchet 51 joint cooperation, ratchet 51 stops rotatoryly.

The linkage assembly 6 includes a gear 61 mounted on the rotation shaft 55 and a rack 62 engaged with the gear 61, the length direction of the rack 62 is horizontally vertical to the axis of the rotating shaft 55, a U-shaped sliding block 64 is arranged at the bottom of the rack 62, the U-shaped sliding block 64 is matched with a U-shaped slideway 63 in a sliding way, one end of the U-shaped sliding block 64 is provided with a vertical groove 65, a limit block 66 capable of vertically sliding is arranged in the vertical groove 65 of the U-shaped sliding block 64, the U-shaped slideway 63 is provided with an H-shaped limiting groove 67, one end of the limiting block 66 extends out of the limiting groove, the hand-held limiting block 66 moves in the H-shaped limiting groove 67, and simultaneously drives the rack 62 and the U-shaped sliding block 64 to move in the U-shaped slideway 63, thereby driving the gear 61 to rotate, the gear 61 rotates to drive the jaw 52 to rotate, thereby replacing the end part of the jaw 52, which is in clamping fit with the ratchet wheel 51, and replacing the rotation direction of the ratchet wheel 51.

The bottom of the U-shaped slideway 63 is provided with a buffer seat 7, the buffer seat 7 comprises a plurality of guide rods 71 fixedly arranged at the bottom of the U-shaped slideway 63, the central lines of all the guide rods 71 are parallel to the length direction of the rack 62, guide seats 72 are respectively arranged at two ends of each guide rod 71, buffer springs 73 are respectively sleeved at two ends of each guide rod 71, one end of each buffer spring 73 is abutted against one end of the U-shaped slideway 63, the other end of each buffer spring 73 is abutted against the corresponding guide seat 72, the ratchet grooves at two ends of the claw 52 are divided into a first ratchet groove 53 and a second ratchet groove 54, when the first ratchet groove 53 is clamped with the ratchet 51, the cushion 1 is lifted up to drive the ratchet 51 to rotate in the anticlockwise direction, at the moment, the claw 52 is abutted to rotate downwards, the gear 61 is driven to rotate, and the rack 62 cannot move on the U-shaped slideway 63 due to the limit blocks 66, and cause U-shaped slide 63 to move as a whole, warp buffer spring 73, buffer spring 73 restoring force makes U-shaped slide 63 drive that resets, and gear 61 gyration to realize that jack catch 52 gets back to the initial condition, at this moment, the first ratchet groove 53 and the ratchet 51 joint of jack catch 52 are mainly unable down with the locking of cushion 1, thereby realize that cushion 1 is along with changeing and stopping.

When the seat cushion 1 needs to be put down, the limiting block 66 is driven to move from one end of the H-shaped limiting groove 67 to the other end of the U-shaped limiting groove, meanwhile, the rack 62 slides to drive the gear 61 to rotate anticlockwise, the rotating shaft 55 and the clamping jaw 52 also rotate anticlockwise, the second ratchet groove 54 of the replacing clamping jaw 52 is in clamping fit with the ratchet wheel 51, the seat cushion 1 rotates downwards to drive the ratchet wheel 51 to rotate clockwise, at the moment, the second ratchet groove 54 of the clamping jaw 52 is abutted to rotate downwards, the gear 61 is driven to rotate, the rack 62 cannot move on the U-shaped slide way 63 due to the limiting block 66, so that the U-shaped slide way 63 integrally moves, the buffer spring 73 is deformed, the U-shaped slide way 63 is reset and driven by the restoring force of the buffer spring 73, the gear 61 rotates, so that the clamping jaw 52 returns to the starting state, at the moment, the second ratchet groove 54 of the clamping jaw 52 is in, thereby realizing the stop along with the rotation when the seat cushion 1 descends.

The included angle between the central lines of the two limiting rod heads 24 is 60 degrees, when the two limiting rod heads 24 rotate to the position, the limiting rod head 24 of the first hinge part 21 can be abutted against the second hinge part 22, the limiting rod head 24 can be prevented from being overturned excessively, and the service life of the seat is prolonged.

Example two:

The bottom of the U-shaped slide 63 is provided with a buffer seat 7, the buffer seat 7 comprises a plurality of guide rods 71 horizontally arranged under the U-shaped slide 63, the bottom of the U-shaped slide 63 is provided with a plurality of guide sleeves 74 in sliding fit with all the guide rods 71, the central lines of all the guide rods 71 are parallel to the length direction of the rack 62, fixing seats 75 are respectively arranged at the two ends of the guide rods 71, buffer springs 73 are respectively sleeved at the two ends of all the guide rods 71, one ends of the buffer springs 73 are abutted against one end of the U-shaped slide 63, the other ends of the buffer springs 73 are abutted against the fixing seats 75, the ratchet grooves at the two ends of the claw 52 are divided into a first ratchet groove 53 and a second ratchet groove 54, when the first ratchet groove 53 is clamped with the ratchet 51, the cushion 1 is lifted up to drive the ratchet 51 to rotate in the counterclockwise direction, at this time, the claw 52 is abutted against and rotates downwards, the gear 61 is driven rotatoryly, because the stopper 66 makes the rack 62 can not move on the U-shaped slide 63, and cause U-shaped slide 63 overall movement, warp buffer spring 73, and buffer spring 73 restoring force makes U-shaped slide 63 drive that resets, and gear 61 gyration to realize that jack catch 52 gets back to the initial condition, at this moment, the first ratchet groove 53 and the ratchet 51 joint of jack catch 52, with the main unable downturning of cushion 1 locking, thereby realize that cushion 1 is along with changeing and stopping.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a car copilot cushion tilting mechanism, includes cushion (1), its characterized in that: the turnover mechanism comprises a limiting mechanism and a plurality of coaxial hinges (2), the hinges (2) comprise a first hinge part (21) fixedly connected with the bottom of the seat cushion (1) and a second hinge part (22) fixedly connected with the automobile framework, the first hinge part (21) is hinged with the second hinge part (22) through a hinge shaft (23), two limiting rod heads (24) are integrally formed on the first hinging part (21), the central lines of the two limiting rod heads (24) are vertical to the axis of the hinging shaft (23), the axis of the hinging shaft (23) is horizontally arranged, the limiting mechanism comprises a bidirectional ratchet wheel locking component (5) and a linkage component (6) for adjusting the locking direction of the bidirectional ratchet wheel locking component (5), the bidirectional ratchet locking assembly (5) comprises a ratchet wheel (51) arranged on the hinge shaft (23) and a claw (52) capable of being clamped with the ratchet wheel (51).

2. The turnover mechanism of the automobile copilot seat cushion as claimed in claim 1, wherein: jaw (52) are including the arc structure, the both ends of jaw (52) all are provided with the ratchet groove that can with ratchet (51) joint, jaw (52) midpoint point on the pitch arc is provided with axis of rotation (55), the central line of axis of rotation (55) and the central line of articulated shaft (23) are parallel.

3. The turnover mechanism of the automobile copilot seat cushion as claimed in claim 2, wherein: linkage subassembly (6) including install gear (61) on axis of rotation (55) and rack (62) with gear (61) meshing, the length direction horizontal perpendicular to axis of rotation (55) of rack (62) axis, rack (62) bottom is provided with U-shaped slider (64), U-shaped slider (64) sliding fit has U-shaped slide (63), the one end of U-shaped slider (64) is provided with vertical groove (65), be provided with in vertical groove (65) of U-shaped slider (64) can vertical gliding stopper (66), U-shaped slide (63) are provided with H-shaped spacing groove (67), the one end of stopper (66) stretches out from the spacing inslot.

4. The turnover mechanism of the automobile copilot seat cushion as claimed in claim 3, wherein: the bottom of U-shaped slide (63) is provided with buffer seat (7), buffer seat (7) are all parallel with the length direction of rack (62) including fixed guide bar (71) that sets up in U-shaped slide (63) bottom of a plurality of, the central line of all guide bar (71), guide seat (72) are all installed at the both ends of guide bar (71), and the both ends of all guide bar (71) all overlap and are equipped with buffer spring (73), the one end of U-shaped slide (63) is contradicted to the one end of buffer spring (73), guide seat (72) are contradicted to the other end of buffer spring (73).

5. The turnover mechanism of the automobile copilot seat cushion as claimed in claim 3, wherein: the bottom of U-shaped slide (63) is provided with buffer seat (7), buffer seat (7) are including guide bar (71) that a plurality of level set up under U-shaped slide (63), the bottom of U-shaped slide (63) is provided with a plurality of and all guide bar (71) sliding fit's uide bushing (74), and the central line of all guide bar (71) all is parallel with the length direction of rack (62), fixing base (75) are all installed at the both ends of guide bar (71), and the both ends of all guide bar (71) all are equipped with buffer spring (73), the one end of U-shaped slide (63) is contradicted to the one end of buffer spring (73), fixing base (75) are contradicted to the other end of buffer spring (73).

6. The turnover mechanism of the automobile copilot seat cushion as claimed in claim 1, wherein: the included angle of the central lines of the two limiting rod heads (24) is 60 degrees.