CN213920772U - Integral seat cushion height-adjustable seat framework and vehicle seat comprising same - Google Patents

Integral seat cushion height-adjustable seat framework and vehicle seat comprising same Download PDF

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Publication number
CN213920772U
CN213920772U CN202022435371.6U CN202022435371U CN213920772U CN 213920772 U CN213920772 U CN 213920772U CN 202022435371 U CN202022435371 U CN 202022435371U CN 213920772 U CN213920772 U CN 213920772U
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China
Prior art keywords
seat
cushion
toothed plate
lifting mechanism
seat cushion
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CN202022435371.6U
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刘盛
田海洲
鲁能
蔡杰
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Faurecia China Holding Co Ltd
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Faurecia China Holding Co Ltd
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Abstract

The utility model provides an integral seat cushion heightening seat framework and an automobile seat comprising the same, wherein the integral seat cushion heightening seat framework comprises a seat cushion basin surface, a seat cushion side plate, a front connecting rod, a front toothed plate, a slide rail upper bracket and a front lifting machine component, the seat cushion basin surface is arranged at the front end part of the seat cushion side plate, one end of the front connecting rod is rotationally connected with the front end of the seat cushion side plate, and the other end is rotationally connected with one end of the front toothed plate; the other end of the front toothed plate is rotatably connected with the front end of the upper sliding rail support, the front lifting mechanism is installed on the upper sliding rail support, and the front toothed plate is linked with the front lifting mechanism; the cushion side plate, the front connecting rod, the front toothed plate and the sliding rail upper support form a first four-connecting-rod structure, and the adjusting angle of the basin surface of the cushion is changed through the movement of the first four-connecting-rod structure. The utility model discloses a bigger structure of cushion basin face angle regulation scope satisfies cushion basin face angle regulation scope about 15. The cushion basin surface does not need to be developed again and can be shared with the basin surface of the fixed cushion.

Description

Integral seat cushion height-adjustable seat framework and vehicle seat comprising same
Technical Field
The utility model relates to a vehicle seat field, in particular to whole seatpad heightening seat skeleton reaches vehicle seat including it.
Background
Fig. 1 is a schematic view of a cushion pan surface angle adjustment structure of a vehicle seat in the prior art. Fig. 2 is a schematic structural diagram of a screw motor drive in the prior art.
As shown in fig. 1 and 2, in the prior art, the existing cushion basin surface angle adjusting products in the market generally adopt a mode that a motor lead screw drives the cushion basin surface to adjust along a specific rotation point, and the motion principle is as follows:
first, the motor 100 moves linearly upward along the screw rod 110;
then, the screw rod 110 and the motor bracket 120 rotate along a rotation point 130;
the seat pan surface 200 then rotates along another rotation point 210 to change the adjustment angle.
Therefore, the structure for adjusting the angle of the basin surface of the seat cushion has the following limitations:
firstly, the conventional cushion basin surface angle adjusting mechanism is influenced by the length of a screw rod of a motor, and the range of the cushion basin surface angle adjusting mechanism is limited, and is generally 6-8 degrees.
Secondly, the basin surface of the cushion needs to be developed completely and cannot be shared with the basin surface of the fixed cushion.
In view of the above, those skilled in the art have developed an integral seat cushion heightening seat frame and a vehicle seat including the same in order to overcome the above technical problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a whole seatpad heightening seat skeleton and vehicle seat including it in order to overcome among the prior art cushion basin face angle of adjustment mechanism angle of adjustment scope limited, unable and the basin face defect such as sharing of fixed cushion.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
the integral seat cushion heightening seat framework is characterized by comprising a seat cushion basin surface, a seat cushion side plate, a front connecting rod, a front toothed plate, a sliding rail upper bracket and a front lifter member, wherein the seat cushion basin surface is arranged at the front end part of the seat cushion side plate, one end of the front connecting rod is rotatably connected with the front end of the seat cushion side plate, and the other end of the front connecting rod is rotatably connected with one end of the front toothed plate;
the other end of the front toothed plate is rotatably connected with the front end of the upper sliding rail support, the front lifting mechanism is mounted on the upper sliding rail support, and the front toothed plate is linked with the front lifting mechanism;
the cushion curb plate preceding connecting rod preceding pinion rack with the slide rail upper bracket constitutes first four-bar linkage, through first four-bar linkage motion changes the angle of adjustment of cushion pelvic surface.
According to an embodiment of the present invention, the vehicle seat with the cushion adjusting device further includes a rear toothed plate and a rear lifting mechanism, the rear lifting mechanism is mounted on the cushion side plate, one end of the rear toothed plate is rotatably connected with the rear end of the slide rail upper bracket, the other end is rotatably connected with the rear end of the cushion side plate, and the rear toothed plate is linked with the rear lifting mechanism;
the cushion curb plate, preceding connecting rod, slide rail upper bracket with the back pinion rack constitutes the four connecting rod structures of second, through four connecting rod structure motion of second changes the angle of adjustment of cushion pelvic surface.
According to an embodiment of the invention, the front lifter member is a first booster pump.
According to the utility model discloses an embodiment, first gear is installed to the output shaft of first heightening pump, first gear with the tooth meshing of front tooth board.
According to an embodiment of the invention, the rear lifter member is a second booster pump.
According to the utility model discloses an embodiment, the second gear is installed to the output shaft of second heightening pump, the second gear with the tooth meshing of back pinion rack.
According to an embodiment of the utility model, preceding lifting machine component with through a plurality of bolt fastening between the slide rail upper bracket.
According to the utility model discloses an embodiment, back lifting mechanism with through a plurality of bolt fastening between the cushion curb plate.
According to an embodiment of the present invention, when the front lifting mechanism drives the front toothed plate to rotate, the rear lifter member and the rear toothed plate are locked;
when the rear lifting mechanism drives the rear toothed plate to rotate, the front lifting machine component and the front toothed plate are locked.
The utility model also provides a car seat, its characterized in that, car seat includes as above whole seatpad heighten seat skeleton.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses whole seatpad heightening seat skeleton reaches vehicle seat including it, has developed a bigger structure of cushion basin face angle of adjustment scope, satisfies cushion basin face angle of adjustment scope about 15. The cushion basin surface does not need to be developed again and can be shared with the basin surface of the fixed cushion.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which like reference numerals refer to like features throughout,
wherein:
fig. 1 is a schematic view of a cushion pan surface angle adjustment structure of a vehicle seat in the prior art.
Fig. 2 is a schematic structural diagram of a screw motor drive in the prior art.
Fig. 3 is a schematic structural view of the whole seat cushion heightening seat frame of the present invention.
Fig. 4 is the utility model discloses preceding lifting mechanism and seat frame's connected state schematic diagram in the whole seatpad heightening seat frame.
Fig. 5 is the utility model discloses the connection state schematic diagram of back lifting mechanism and seat frame in the whole seatpad heightening seat frame.
Fig. 6 is a schematic view of the state of the front lifting mechanism at the lowest position in the whole seat cushion heightening seat frame of the present invention.
Fig. 7 is the state diagram of the whole seat cushion heightening seat frame of the utility model with the front lifting mechanism in the middle position.
Fig. 8 is the state diagram of the whole seat cushion heightening seat frame of the present invention in which the front lifting mechanism is at the highest position.
Fig. 9 is a schematic view of the state of the rear lifting mechanism at the lowest position in the whole seat cushion heightening seat frame of the present invention.
Fig. 10 is a schematic view of the state of the rear lifting mechanism in the whole seat cushion heightening seat frame of the present invention at the intermediate position.
Fig. 11 is the state diagram of the whole seat cushion heightening seat frame of the utility model with the rear lifting mechanism at the highest position.
[ reference numerals ]
Motor 100
Screw rod 110
Motor support 120
Rotation points 130, 210
Cushion basin surface 200, 10
Cushion side plate 20
Front connecting rod 30
Front toothed plate 40
Upper bracket 50 of slide rail
Front lifter member 60
Back toothed plate 70
Rear lifting mechanism 80
Bolt 90
First rotation point A
Second rotation point B, B'
Third rotation point C, C'
Fourth rotation point D
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Embodiments of the present invention will now be described in detail with reference to the accompanying drawings. Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
Further, although the terms used in the present invention are selected from publicly known and used terms, some of the terms mentioned in the description of the present invention may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein.
Furthermore, it is required that the present invention is understood, not simply by the actual terms used but by the meaning of each term lying within.
Fig. 3 is a schematic structural view of the whole seat cushion heightening seat frame of the present invention. Fig. 4 is the utility model discloses preceding lifting mechanism and seat frame's connected state schematic diagram in the whole seatpad heightening seat frame. Fig. 5 is the utility model discloses the connection state schematic diagram of back lifting mechanism and seat frame in the whole seatpad heightening seat frame.
As shown in fig. 3 to 5, the utility model discloses a whole seatpad heightening seat frame, it includes cushion basin 10, cushion curb plate 20, preceding connecting rod 30, preceding pinion rack 40, slide rail upper bracket 50 and preceding lifting mechanism spare 60, and the preceding tip at cushion curb plate 20 is installed to cushion basin 10, rotates the one end of preceding connecting rod 30 and the front end of cushion curb plate 20 to be connected, and the other end rotates with the one end of preceding pinion rack 40 to be connected. The other end of the front toothed plate 40 is rotatably connected with the front end of the upper slide rail bracket 50, the front lifter member 60 is mounted on the upper slide rail bracket 50, and the front toothed plate 40 is linked with the front lifter member 60. The cushion side plate 20, the front connecting rod 30, the front toothed plate 40 and the slide rail upper bracket 50 form a first four-bar linkage structure, and the adjusting angle of the cushion basin surface 10 is changed through the movement of the first four-bar linkage structure.
Further, whole seatpad heightening seat skeleton still includes back pinion rack 70 and back lifting mechanism 80, installs back lifting mechanism 80 on cushion curb plate 20, and the one end of back pinion rack 70 rotates with the rear end of slide rail upper bracket 50 to be connected, and the other end rotates with the rear end of cushion curb plate 20 to be connected, and back pinion rack 70 links with back lifting mechanism 80. The cushion side plate 20, the front connecting rod 30, the sliding rail upper bracket 50 and the rear toothed plate 70 form a second four-bar linkage structure, and the adjusting angle of the cushion basin surface 10 is changed through the movement of the second four-bar linkage structure.
Here, the front link 30, the front toothed plate 40 and the front lifting mechanism 60 constitute a front lifting mechanism of the overall seat cushion heightening seat frame, and the rear toothed plate 70 and the rear lifting mechanism 80 constitute a rear lifting mechanism of the overall seat cushion heightening seat frame.
Preferably, the front lifter member 60 is preferably a first booster pump having an output shaft mounted with a first gear (not shown) that meshes with the toothed portion of the front toothed plate 40. The rear lifting mechanism 80 is preferably a second booster pump having an output shaft fitted with a second gear (not shown) which meshes with the toothed portion of the rear toothed plate 70.
Here, the front lifting mechanism 60 and the upper rack 50 are fixed by a plurality of bolts 90. The rear lifting mechanism 80 is fixed to the seat cushion side plate 20 by a plurality of bolts 90.
In the process of changing the adjustment angle of the basin surface of the seat cushion by the integral seat cushion heightening seat framework, when the front tooth plate 40 is driven to rotate by the front lifter member 60, the rear lifting mechanism 80 and the rear tooth plate 70 are locked. When the rear lifting mechanism 80 drives the rear toothed plate 70 to rotate, the front lifter member 60 and the front toothed plate 40 are locked.
Fig. 6 is a schematic view of the state of the front lifting mechanism at the lowest position in the whole seat cushion heightening seat frame of the present invention. Fig. 7 is the state diagram of the whole seat cushion heightening seat frame of the utility model with the front lifting mechanism in the middle position. Fig. 8 is the state diagram of the whole seat cushion heightening seat frame of the present invention in which the front lifting mechanism is at the highest position.
As shown in fig. 6 to 8, the front lifting mechanism is composed of a front link 30, a front toothed plate 40, and a front lifting mechanism 60, and the rear lifting mechanism is composed of a rear toothed plate 70 and a rear lifting mechanism 80.
The preceding lifting mechanism motion, when back lifting mechanism deadlock, the rotation junction of preceding connecting rod 30 and cushion curb plate 20 is first rotation point A, and the rotation junction of back pinion rack 70 and slide rail upper bracket 50 is second rotation point B, and the rotation junction of preceding pinion rack 40 and slide rail upper bracket 50 is third rotation point C, and the rotation junction of preceding pinion rack 40 and preceding connecting rod 30 is fourth rotation point D.
When preceding lifting mechanism (this moment back lifting mechanism locks) adopts first heightening pump, connecting rod drive cushion basin along the pivoted mode of rotation point, its theory of motion as follows:
firstly, the front toothed plate 40 rotates along a third rotation point C under the gear drive of the first heightening pump of the front lifting mechanism;
then, the assembly of the seat side plate 20, the front link 30, the front rack 40 and the slide rail upper bracket 50 moves along the four-link structure of the first rotation point a, the second rotation point B, the third rotation point C and the fourth rotation point D to change the bowl adjustment angle, forming the lowest position shown in fig. 6, the middle position shown in fig. 7 and the highest position shown in fig. 8.
The utility model discloses whole seatpad heightening seat skeleton passes through the rotary motion of pinion rack, connecting rod, and the angle that the basin was adjusted is sat in the expansion that can be fine. Preceding lifting mechanism, the back lifting mechanism of whole seatpad height-adjusting seat skeleton do not receive lead screw length influence, and the cushion basin face angle of regulation scope is bigger. Moreover, the surface of the cushion basin does not need to be newly developed and can be shared with the fixed basin.
Fig. 9 is a schematic view of the state of the rear lifting mechanism at the lowest position in the whole seat cushion heightening seat frame of the present invention. Fig. 10 is a schematic view of the state of the rear lifting mechanism in the whole seat cushion heightening seat frame of the present invention at the intermediate position. Fig. 11 is the state diagram of the whole seat cushion heightening seat frame of the utility model with the rear lifting mechanism at the highest position.
As shown in fig. 9 to 11, the front lifting mechanism is composed of a front link 30, a front toothed plate 40, and a front lifting mechanism 60, and the rear lifting mechanism is composed of a rear toothed plate 70 and a rear lifting mechanism 80.
The back lifting mechanism moves, when the front lifting mechanism is locked, the rotation junction of the front connecting rod 30 and the cushion side plate 20 is a first rotation point A, the rotation junction of the back toothed plate 70 and the cushion side plate 20 is a second rotation point B ', the rotation junction of the back toothed plate 70 and the sliding rail upper bracket 50 is a third rotation point C', and the rotation junction of the front toothed plate 40 and the front connecting rod 30 is a fourth rotation point D.
When the back lifting mechanism (at the moment, the front lifting mechanism is locked) adopts a mode that a second heightening pump and a connecting rod drive a basin surface to rotate along a rotating point, the motion principle is as follows:
firstly, the second heightening pump of the rear lifting mechanism is driven by a gear, and the rear toothed plate 70 rotates;
then, the assembly of the seat side plate 20, the front link 30, the slide rail upper bracket 50 and the rear toothed plate 70 moves along the four-link structure of the first rotation point a, the second rotation point B ', the third rotation point C' and the fourth rotation point D to change the bowl adjustment angle, forming the lowest position shown in fig. 9, the middle position shown in fig. 10 and the highest position shown in fig. 11.
The utility model discloses whole seatpad heightening seat skeleton passes through the rotary motion of pinion rack, connecting rod, and the angle that the basin was adjusted is sat in the expansion that can be fine. Preceding lifting mechanism, the back lifting mechanism of whole seatpad height-adjusting seat skeleton do not receive lead screw length influence, and the cushion basin face angle of regulation scope is bigger. Moreover, the surface of the cushion basin does not need to be newly developed and can be shared with the fixed basin.
Based on the structure description, the utility model also provides a car seat, it includes as above whole seatpad heightening seat skeleton.
To sum up, the utility model discloses whole seatpad heightening seat skeleton reaches vehicle seat including it, has developed a bigger structure of cushion basin face angle of adjustment scope, satisfies the cushion basin face angle of adjustment scope about 15. The cushion basin surface does not need to be developed again and can be shared with the basin surface of the fixed cushion.
Although particular embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are examples only and that the scope of the present invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are all within the scope of the invention.

Claims (10)

1. The integral seat cushion heightening seat framework is characterized by comprising a seat cushion basin surface, a seat cushion side plate, a front connecting rod, a front toothed plate, a sliding rail upper bracket and a front lifter member, wherein the seat cushion basin surface is arranged at the front end part of the seat cushion side plate, one end of the front connecting rod is rotatably connected with the front end of the seat cushion side plate, and the other end of the front connecting rod is rotatably connected with one end of the front toothed plate;
the other end of the front toothed plate is rotatably connected with the front end of the upper sliding rail support, the front lifting mechanism is mounted on the upper sliding rail support, and the front toothed plate is linked with the front lifting mechanism;
the cushion curb plate preceding connecting rod preceding pinion rack with the slide rail upper bracket constitutes first four-bar linkage, through first four-bar linkage motion changes the angle of adjustment of cushion pelvic surface.
2. The integral seat cushion heightening seat frame according to claim 1, further comprising a rear toothed plate and a rear lifting mechanism, wherein the rear lifting mechanism is mounted on the seat cushion side plate, one end of the rear toothed plate is rotatably connected with the rear end of the slide rail upper bracket, the other end of the rear toothed plate is rotatably connected with the rear end of the seat cushion side plate, and the rear toothed plate is interlocked with the rear lifting mechanism;
the cushion curb plate, preceding connecting rod, slide rail upper bracket with the back pinion rack constitutes the four connecting rod structures of second, through four connecting rod structure motion of second changes the angle of adjustment of cushion pelvic surface.
3. The one-piece seat-lift seat frame of claim 1, wherein the front lifter member is a first lift pump.
4. The unitary seat cushion booster seat frame of claim 3, wherein the output shaft of the first booster pump mounts a first gear that meshes with the toothed portion of the front toothed plate.
5. The one-piece seat-lift seat frame of claim 2, wherein the rear lifter member is a second lift pump.
6. The unitary seat cushion booster seat frame of claim 5, wherein the output shaft of the second booster pump mounts a second gear that meshes with the toothed portion of the rear toothed plate.
7. The one-piece seat-lift seat frame of claim 1, wherein the front lifter member is secured to the slide rail upper bracket by a plurality of bolts.
8. The one-piece seat-lift seat frame of claim 2, wherein said rear lift mechanism member is secured to said seat-cushion side panel by a plurality of bolts.
9. The one-piece seat-lift seat frame of claim 2, wherein the rear lifter member and the rear toothed plate are locked when the front lifting mechanism drives the front toothed plate to rotate;
when the rear lifting mechanism drives the rear toothed plate to rotate, the front lifting machine component and the front toothed plate are locked.
10. A vehicle seat, characterized in that it comprises a one-piece seat-cushion-height-adjustable seat frame as claimed in any one of claims 1 to 9.
CN202022435371.6U 2020-10-28 2020-10-28 Integral seat cushion height-adjustable seat framework and vehicle seat comprising same Active CN213920772U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022435371.6U CN213920772U (en) 2020-10-28 2020-10-28 Integral seat cushion height-adjustable seat framework and vehicle seat comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022435371.6U CN213920772U (en) 2020-10-28 2020-10-28 Integral seat cushion height-adjustable seat framework and vehicle seat comprising same

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619459A (en) * 2021-09-08 2021-11-09 诺博汽车系统有限公司 Seat cushion, seat and automobile
CN114228578A (en) * 2022-01-10 2022-03-25 延锋国际座椅系统有限公司 Adjusting device for a vehicle seat, seat cushion frame and vehicle seat
CN115107592A (en) * 2022-07-01 2022-09-27 北京汽车集团越野车有限公司 Adjusting structure of seat, seat and vehicle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619459A (en) * 2021-09-08 2021-11-09 诺博汽车系统有限公司 Seat cushion, seat and automobile
CN114228578A (en) * 2022-01-10 2022-03-25 延锋国际座椅系统有限公司 Adjusting device for a vehicle seat, seat cushion frame and vehicle seat
CN114228578B (en) * 2022-01-10 2022-12-13 延锋国际座椅系统有限公司 Adjusting device for a vehicle seat, seat cushion frame and vehicle seat
CN115107592A (en) * 2022-07-01 2022-09-27 北京汽车集团越野车有限公司 Adjusting structure of seat, seat and vehicle
CN115107592B (en) * 2022-07-01 2023-12-15 北京汽车集团越野车有限公司 Seat adjusting structure, seat and vehicle

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