CN215244452U - Cushion inclination and seat back synchronous adjusting mechanism and seat - Google Patents

Cushion inclination and seat back synchronous adjusting mechanism and seat Download PDF

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Publication number
CN215244452U
CN215244452U CN202121231813.3U CN202121231813U CN215244452U CN 215244452 U CN215244452 U CN 215244452U CN 202121231813 U CN202121231813 U CN 202121231813U CN 215244452 U CN215244452 U CN 215244452U
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China
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cushion
backrest
connecting plate
linkage
seat
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CN202121231813.3U
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Chinese (zh)
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梁磊
李广
韩智
杨成
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Shanghai Guojin Automobile Technology Co ltd
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Shanghai Guojin Automobile Technology Co ltd
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Abstract

The utility model discloses a cushion inclination angle and seat backrest synchronous adjusting mechanism and a seat, which comprises a cushion and a backrest, and also comprises a backrest upper connecting plate, a linkage component, a cushion adjusting component, a pair of angle adjusters and a pair of backrest lower connecting plates; the lower parts of two sides of the backrest elbow are respectively connected to the right backrest upper connecting plate and the left backrest upper connecting plate, the right backrest upper connecting plate and the left backrest lower connecting plate are respectively rotatably connected together through the right angle adjuster and the left angle adjuster, the bottom of the right backrest lower connecting plate and the bottom of the left backrest lower connecting plate are connected to the cushion frame, the cushion adjusting assembly is connected with the bottom horizontal pipe of the backrest elbow through the linkage assembly, and the cushion adjusting assembly is driven to be linked through the linkage assembly when the backrest is turned backwards to realize the change of the inclination angle of the seat. The utility model discloses compact structure, it is rationally distributed, need not the cushion motor, realize backrest and cushion inclination synchronous control through one set of link mechanism, save a cushion inclination accommodate motor, weight reduction, reduce cost.

Description

Cushion inclination and seat back synchronous adjusting mechanism and seat
Technical Field
The utility model relates to a car seat technical field especially relates to a cushion inclination and backrest synchronization regulation mechanism and seat.
Background
With the development of the automobile industry, the functions of the automobile seat are more and more, the time of people in the automobile is longer and longer, and the requirement on the comfort of the seat is higher and higher. When a person has a rest in the vehicle, the person is used to lay the seat backrest backwards, and the person lies on the seat, but the seat backrest in the current market is laid backwards, so that the height difference exists between the seat backrest and the seat cushion, and the waist of the person lying on the seat is empty, so that the person is uncomfortable.
As shown in fig. 1, which is a schematic view of a seat frame in the prior art, two sides of the bottom of a backrest elbow 2 are welded between a right backrest upper connecting plate 1a and a left backrest upper connecting plate 1 b; the bottoms of the right backrest upper connecting plate 1a and the left backrest upper connecting plate 1b are welded on the right angle adjuster 9a and the left angle adjuster 9 b; the right angle adjuster 9a and the left angle adjuster 9b are welded on the right backrest lower connecting plate 10a and the left backrest lower connecting plate 10 b; the cushion elbow 7 is welded between the right backrest lower connecting plate 10a and the left backrest lower connecting plate 10 b. During adjustment, the motor or the manual drive is used for driving the right backrest upper connecting plate 1a and the left backrest upper connecting plate 1b, and the right backrest upper connecting plate 1a and the left backrest upper connecting plate 1b rotate around the rotation center of the angle adjuster, so that the function of backward adjustment of the backrest is realized. In the process of backward adjustment of the backrest, because the cushion and the backrest have no linkage mechanism, the inclination angle of the cushion is not changed, and the synchronous linkage function of the backrest and the cushion cannot be realized. As shown in figure 2, after the backrest rotates backwards, a section difference exists between the backrest and the seat cushion in the height direction after the backrest is leveled, and the comfort is poor.
Therefore, the utility model provides an adjustment mechanism and seat of cushion and back linkage realizes that the back when falling backward, and the synchronous lifting of cushion eliminates the difference in height between cushion and the back, increases the passenger and lies the comfort.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cushion inclination and back of seat synchro-regulation mechanism and seat solve prior art back of seat and lay down the back and have the difference in height with the seat, the passenger lies the relatively poor problem of comfort.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a cushion inclination and seat back synchronous adjusting mechanism, which comprises an adjustable cushion arranged on a cushion frame and a back arranged above the rear side of the cushion, wherein the back is arranged on a back bent pipe, and the mechanism also comprises a pair of back upper connecting plates, a linkage component, a cushion adjusting component, a pair of angle adjusters and a pair of back lower connecting plates; the backrest upper connecting plate comprises a right backrest upper connecting plate and a left backrest upper connecting plate, the angle adjuster comprises a right angle adjuster and a left angle adjuster, the backrest lower connecting plate comprises a right backrest lower connecting plate and a left backrest lower connecting plate, the lower parts of the two sides of the backrest elbow are respectively connected to the right backrest upper connecting plate and the left backrest upper connecting plate, the right backrest upper connecting plate and the left backrest upper connecting plate are respectively rotatably connected with the right backrest lower connecting plate and the left backrest lower connecting plate through the right angle adjuster and the left angle adjuster, and the bottoms of the right backrest lower connecting plate and the left backrest lower connecting plate are connected to the cushion frame; the cushion adjusting assembly is connected with the bottom horizontal pipe of the backrest bent pipe through the linkage assembly, and the backrest is turned backwards through the linkage assembly to drive the cushion adjusting assembly to realize the change of the inclination angle of the seat in a linkage manner.
Preferably, the linkage subassembly includes a pair of linkage piece, a linkage pipe and a pair of linkage piece down, it includes upper right linkage piece and upper left linkage piece to go up the linkage piece, the linkage piece includes lower right linkage piece and lower left linkage piece down, the one end of upper right linkage piece and upper left linkage piece articulates on the horizontal pipe of bottom of back return bend, the other end location of upper right linkage piece and upper left linkage piece is connected on the linkage pipe, the one end location of lower right linkage piece and lower left linkage piece is connected on the linkage pipe, the other end slidable of lower right linkage piece and lower left linkage piece is connected on the cushion adjusting part.
Preferably, cushion adjusting part is including supporting cushion return bend and the cushion chute board of usefulness, the cushion return bend is kept away from back one side and is passed through cushion return bend leg joint on the cushion frame, the cushion return bend is close to back one side and passes through the cushion chute board with lower right linkage piece, lower left linkage piece link together.
Preferably, cushion return bend support includes symmetrical arrangement's right cushion return bend support and left cushion return bend support, the bottom of right cushion return bend support and left cushion return bend support is in through welding or bolted connection on the cushion frame, the top of right cushion return bend support and left cushion return bend support is provided with circular through-hole, the cushion return bend through connection be in the circular through-hole, just the cushion return bend with the axis of circular through-hole is rotatory for the rotation axis.
Preferably, one side of the cushion bent pipe close to the backrest is welded with the cushion sliding groove plate, waist-shaped holes are formed in two sides of the cushion sliding groove plate, the bottoms of the right lower linkage piece and the left lower linkage piece are riveted in the waist-shaped holes through pin shafts, and the pin shafts slide along the waist-shaped holes and drive the cushion bent pipe to rotate to generate linkage when the backrest is turned.
Preferably, one side of the opposite surface of the right angle adjuster and one side of the opposite surface of the left angle adjuster are welded on the right backrest upper connecting plate and the left backrest upper connecting plate, and the other side of the opposite surface of the right angle adjuster and one side of the opposite surface of the left angle adjuster are welded on the right backrest lower connecting plate and the left backrest lower connecting plate.
Preferably, the lower parts of the vertical pipes on the two sides of the backrest elbow are welded or are positioned and connected with the tops of the right backrest upper connecting plate and the left backrest upper connecting plate through screws.
A seat with a cushion inclination angle and a seat backrest synchronously adjusted adopts the cushion inclination angle and seat backrest synchronously adjusting mechanism.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a cushion inclination and seat backrest synchronous adjusting mechanism, which comprises an adjustable cushion arranged on a cushion frame, a backrest arranged above the rear side of the cushion, a pair of backrest upper connecting plates, a linkage assembly, a cushion adjusting assembly, a pair of angle adjusters and a pair of backrest lower connecting plates; the backrest upper connecting plate, the angle adjuster and the backrest lower connecting plate form an outer side rotary positioning mechanism to realize the erection, overturning and leveling operation of the backrest; wherein, the linkage subassembly includes a pair of linkage piece, a linkage pipe and a pair of linkage piece down, increase new cushion adjusting part, this subassembly is including cushion return bend and the cushion sliding tray board that supports the usefulness, the linkage unit mount is in the intermediate position, through linking the ingenious sliding connection of piece and cushion sliding tray board down together, cushion adjusting part links together through the horizontal union coupling in bottom of linkage subassembly and back return bend, drive the change that the seat inclination was realized in the linkage of cushion adjusting part through the linkage subassembly when the back overturns backward. Compare with current backrest cushion adjustment mechanism, the utility model discloses can realize that cushion and back are adjusted the linkage, eliminate the back and put flat back cushion and back difference in height, improve and take the travelling comfort. The utility model aims at the use habits of seats in different scenes, when the seat is normally driven, the backrest needs to be adjusted to be in a vertical state, and the cushion and the horizontal have a certain inclination angle, so that the driver can be ensured to be fixed on the seat and normally drive the seat; when a driver has a rest after parking, the seat backrest is laid flat backwards, the inclination angle of the cushion can be synchronously adjusted, the inclination angle of the cushion is reduced, the section difference between the cushion and the backrest is eliminated, and the comfort is improved.
Generally speaking, the utility model discloses compact structure, it is rationally distributed, need not the cushion motor, through increasing one set of link mechanism between seat cushion and back, realize backrest and cushion inclination synchronous control, save a cushion inclination accommodate motor, weight reduction, reduce cost increases the installation space of other functional mechanism.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of a prior art seat frame;
FIG. 2 is a schematic view of a prior art seat frame leveling state;
FIG. 3 is a schematic view of the mechanism for adjusting the inclination angle of the seat cushion and the backrest synchronously according to the present invention;
FIG. 4 is an exploded view of the mechanism for adjusting the inclination angle of the seat cushion and the backrest synchronously according to the present invention;
FIG. 5 is a front view of the mechanism for adjusting the inclination angle of the seat cushion and the backrest synchronously according to the present invention;
fig. 6 is a schematic view of the seat back of the present invention in a flat position;
description of reference numerals: 1a, connecting plates on the right backrest; 1b, connecting plates are arranged on the left backrest; 2. a backrest elbow; 3a, a right upper linkage sheet; 3b, an upper left linkage sheet; 4. a linkage pipe; 5a, a lower right linkage sheet; 5b, a left lower linkage sheet; 6. a cushion chute plate; 7. cushion bending; 8a, a right cushion elbow support; 8b, a left cushion elbow support; 9a, a right angle adjuster; 9b, a left angle adjuster; 10a, a lower connecting plate of the right backrest; 10b, a left backrest lower connecting plate; 11. a seat cushion frame.
Detailed Description
As shown in fig. 2-6, a mechanism for synchronously adjusting the inclination angle of a seat cushion and a seat back comprises an adjustable seat cushion arranged on a seat cushion frame 11, a back arranged above the rear side of the seat cushion, a pair of back upper connecting plates, a linkage assembly, a seat cushion adjusting assembly, a pair of angle adjusters and a pair of back lower connecting plates, wherein the back is arranged on a back bent pipe 2;
specifically, the upper backrest connecting plate comprises a right upper backrest connecting plate 1a and a left upper backrest connecting plate 1b, the recliner comprises a right recliner 9a and a left recliner 9b, the lower backrest connecting plate comprises a right lower backrest connecting plate 10a and a left lower backrest connecting plate 10b, the lower parts of the two sides of the backrest elbow 2 are respectively connected to the right upper backrest connecting plate 1a and the left upper backrest connecting plate 1b, the right upper backrest connecting plate 1a and the left upper backrest connecting plate 1b are respectively rotatably connected with the right lower backrest connecting plate 10a and the left lower backrest connecting plate 10b through the right recliner 9a and the left recliner 9b, and the bottoms of the right lower backrest connecting plate 10a and the left lower backrest connecting plate 10b are connected to the cushion frame 11; the cushion adjusting assembly is connected with the bottom horizontal pipe of the backrest bent pipe 2 through a linkage assembly, and the backrest is turned backwards through the linkage assembly to drive the cushion adjusting assembly to realize the change of the inclination angle of the seat in a linkage manner.
Specifically, the linkage subassembly includes linkage piece, a linkage pipe 4 and a pair of lower linkage piece on a pair of, it includes linkage piece 3a and upper left linkage piece 3b on the right to go up the linkage piece, the linkage piece includes linkage piece 5a and lower left linkage piece 5b down on the right side down, the one end of upper right linkage piece 3a and upper left linkage piece 3b articulates on the horizontal pipe of bottom of back return bend 2, the other end positioning connection of upper right linkage piece 3a and upper left linkage piece 3b is in on the linkage pipe 4, the one end positioning connection of lower right linkage piece 5a and lower left linkage piece 5b is in on the linkage pipe 4, the other end slidable of lower right linkage piece 5a and lower left linkage piece 5b is in the cushion adjusting part is last.
Specifically, cushion adjusting part is including supporting cushion return bend 7 and cushion chute board 6 of usefulness, cushion return bend 7 is kept away from back one side and is passed through cushion return bend leg joint in on the cushion frame 11, cushion return bend 7 is close to back one side and passes through cushion chute board 6 with linkage piece 5a, the lower left linkage piece 5b link together down in the right side.
Specifically, as shown in fig. 3 and 4, the cushion elbow support includes symmetrical arrangement's right cushion elbow support 8a and left cushion elbow support 8b, and right cushion elbow support 8a and left cushion elbow support 8b specifically design to the L shape, the bottom of right cushion elbow support 8a and left cushion elbow support 8b is in through welding or bolted connection on the cushion frame 11, the top of right cushion elbow support 8a and left cushion elbow support 8b is provided with circular through-hole, cushion elbow 7 through connection be in the circular through-hole, just cushion elbow 7 with the axis of circular through-hole is rotatory for the rotation axis. One side, close to the backrest, of the cushion bent pipe 7 is welded with the cushion sliding groove plate 6, waist-shaped holes are formed in the two sides of the cushion sliding groove plate 6, the bottoms of the lower right linkage piece 5a and the lower left linkage piece 5b are riveted in the waist-shaped holes through pin shafts, and when the backrest is turned over, the pin shafts slide along the waist-shaped holes and drive the cushion bent pipe 7 to rotate to generate linkage.
Specifically, the opposite sides of the right angle adjuster 9a and the left angle adjuster 9b are welded to the right backrest upper connecting plate 1a and the left backrest upper connecting plate 1b, and the opposite sides of the right angle adjuster 9a and the left angle adjuster 9b are welded to the right backrest lower connecting plate 10a and the left backrest lower connecting plate 10 b. The lower parts of the vertical pipes on the two sides of the backrest elbow pipe 2 are welded or are positioned and connected with the tops of the right backrest upper connecting plate 1a and the left backrest upper connecting plate 1b through screws. When rotating, the backrest elbow 2, the right backrest upper connecting plate 1a and the left backrest upper connecting plate 1b are turned backwards as a whole by taking the right angle adjuster 9a and the left angle adjuster 9b as centers.
A seat with a cushion inclination angle and a seat backrest synchronously adjusted adopts the cushion inclination angle and seat backrest synchronously adjusting mechanism.
The action process of the utility model is as follows:
as shown in fig. 5, the seat back is in an upright state, which is mainly used in normal driving, and the cushion has a certain inclination angle with the horizontal, so that the driver can be fixed on the seat to drive normally; under this state, the linkage subassembly that upper linkage piece, linkage pipe 4 and lower linkage piece are constituteed is in the state of erectting, and the round pin axle of right lower linkage piece 5a, left lower linkage piece 5b bottom is located the rearmost side in waist shape hole on cushion slotted slide 6, and the front end height of cushion return bend 7 is in the peak, and the inclination of cushion is the biggest for the person of taking experiences more comfortable position.
As shown in fig. 6, the seat back is in a flat state, which is mainly used for leveling the seat back backwards when a driver has a rest after parking, the inclination angle of the seat cushion can be synchronously adjusted, the inclination angle of the seat cushion is reduced, the step difference between the seat cushion and the seat back is eliminated, and the comfort is improved; when the backrest is placed backwards, the backrest elbow 2 drives the upper linkage piece, the linkage pipe 4 and the lower linkage piece rotate clockwise, a bottom pin shaft of the lower linkage piece slides forwards in the cushion chute 6, the cushion chute 6 and the cushion elbow 7 welded together are pushed to rotate around the right cushion elbow support 8a and the left cushion elbow support 8b, the inclination angle of the cushion elbow 7 is gradually reduced, when the backrest is adjusted to the horizontal position, the cushion inclination angle is also horizontal, the cushion elbow is parallel and level to the backrest, no segment difference exists in the seat-backrest combining position, when the backrest is placed backwards, a pin shaft at the bottoms of the right lower linkage piece 5a and the left lower linkage piece 5b is located in the middle position of a kidney-shaped hole in the cushion chute plate 6.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims (8)

1. The utility model provides a cushion inclination and backrest synchronization regulation mechanism, is including installing the cushion with adjustable on the cushion frame and the back of cushion rear side top, the back is installed on the back return bend, its characterized in that: the backrest adjusting mechanism further comprises a pair of backrest upper connecting plates, a linkage assembly, a cushion adjusting assembly, a pair of angle adjusters and a pair of backrest lower connecting plates;
the backrest upper connecting plate comprises a right backrest upper connecting plate and a left backrest upper connecting plate, the angle adjuster comprises a right angle adjuster and a left angle adjuster, the backrest lower connecting plate comprises a right backrest lower connecting plate and a left backrest lower connecting plate, the lower parts of the two sides of the backrest elbow are respectively connected to the right backrest upper connecting plate and the left backrest upper connecting plate, the right backrest upper connecting plate and the left backrest upper connecting plate are respectively rotatably connected with the right backrest lower connecting plate and the left backrest lower connecting plate through the right angle adjuster and the left angle adjuster, and the bottoms of the right backrest lower connecting plate and the left backrest lower connecting plate are connected to the cushion frame;
the cushion adjusting assembly is connected with the bottom horizontal pipe of the backrest bent pipe through the linkage assembly, and the backrest is turned backwards through the linkage assembly to drive the cushion adjusting assembly to realize the change of the inclination angle of the seat in a linkage manner.
2. The seat cushion tilt angle and seat back synchronization adjustment mechanism of claim 1, wherein: the linkage subassembly includes a pair of linkage piece, a linkage pipe and a pair of linkage piece down, it includes upper right linkage piece and upper left linkage piece to go up the linkage piece, the linkage piece includes linkage piece and lower left linkage piece under the right side down, the one end of upper right linkage piece and upper left linkage piece articulates on the bottom horizontal tube of back return bend, the other end location of upper right linkage piece and upper left linkage piece is connected on the linkage pipe, the one end location of lower right linkage piece and lower left linkage piece is connected on the linkage pipe, the other end slidable of lower right linkage piece and lower left linkage piece is connected on the cushion adjusting part.
3. The seat cushion tilt angle and seat back synchronization adjustment mechanism according to claim 2, characterized in that: cushion adjusting part is including cushion return bend and the cushion chute board that supports the usefulness, the cushion return bend is kept away from back one side and is passed through cushion return bend leg joint and be in on the cushion frame, the cushion return bend is close to back one side and passes through the cushion chute board with lower right linkage piece, lower left linkage piece link together.
4. The seat cushion tilt angle and seat back synchronization adjustment mechanism according to claim 3, characterized in that: cushion return bend support includes symmetrical arrangement's right cushion return bend support and left cushion return bend support, the bottom of right cushion return bend support and left cushion return bend support is in through welding or bolted connection on the cushion frame, the top of right cushion return bend support and left cushion return bend support is provided with circular through-hole, cushion return bend through connection be in the circular through-hole, just the cushion return bend with the axis of circular through-hole is rotatory for the rotation axis.
5. The seat cushion tilt angle and seat back synchronization adjustment mechanism according to claim 3, characterized in that: one side, close to the backrest, of the cushion bent pipe is welded with the cushion sliding groove plate, waist-shaped holes are formed in two sides of the cushion sliding groove plate, the bottoms of the right lower linkage piece and the left lower linkage piece are riveted in the waist-shaped holes through pin shafts, and the pin shafts slide along the waist-shaped holes and drive the cushion bent pipe to rotate to generate linkage when the backrest is turned.
6. The seat cushion tilt angle and seat back synchronization adjustment mechanism of claim 1, wherein: and one sides of opposite surfaces of the right angle adjuster and the left angle adjuster are welded on the right backrest upper connecting plate and the left backrest upper connecting plate, and the opposite sides of the right angle adjuster and the left angle adjuster are welded on the right backrest lower connecting plate and the left backrest lower connecting plate.
7. The seat cushion tilt angle and seat back synchronization adjustment mechanism of claim 1, wherein: the lower parts of the vertical pipes on the two sides of the backrest elbow are welded or are positioned and connected with the tops of the right backrest upper connecting plate and the left backrest upper connecting plate through screws.
8. A seat that cushion inclination and backrest synchronous adjustment's characterized in that: a mechanism for adjusting the inclination angle of a seat cushion in synchronism with a seat back according to any one of claims 1 to 7.
CN202121231813.3U 2021-06-03 2021-06-03 Cushion inclination and seat back synchronous adjusting mechanism and seat Active CN215244452U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121231813.3U CN215244452U (en) 2021-06-03 2021-06-03 Cushion inclination and seat back synchronous adjusting mechanism and seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121231813.3U CN215244452U (en) 2021-06-03 2021-06-03 Cushion inclination and seat back synchronous adjusting mechanism and seat

Publications (1)

Publication Number Publication Date
CN215244452U true CN215244452U (en) 2021-12-21

Family

ID=79476405

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121231813.3U Active CN215244452U (en) 2021-06-03 2021-06-03 Cushion inclination and seat back synchronous adjusting mechanism and seat

Country Status (1)

Country Link
CN (1) CN215244452U (en)

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