CN113771705A - Automobile seat capable of adjusting comfortable posture - Google Patents
Automobile seat capable of adjusting comfortable posture Download PDFInfo
- Publication number
- CN113771705A CN113771705A CN202111107086.4A CN202111107086A CN113771705A CN 113771705 A CN113771705 A CN 113771705A CN 202111107086 A CN202111107086 A CN 202111107086A CN 113771705 A CN113771705 A CN 113771705A
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- thrust
- rod
- rotating
- connecting rod
- hinged
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- 230000007246 mechanism Effects 0.000 claims description 56
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 2
- 230000036544 posture Effects 0.000 abstract description 6
- 210000002414 leg Anatomy 0.000 description 45
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
- B60N2/0722—Constructive details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
- B60N2/185—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the drive mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/995—Lower-leg-rests, e.g. calf-rests
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses an automobile seat capable of adjusting comfortable postures, which comprises a seat frame framework, an upper sliding rail assembly and an inclination motor assembly, wherein the inclination motor assembly is fixedly arranged on the upper sliding rail assembly, thrust connecting rods are hinged on the inclination motor assembly, thrust shafts are arranged at the upper ends of the thrust connecting rods, rotating shafts are hinged in the middles of the two thrust connecting rods, rotating connecting rods are hinged at the left end and the right end of each rotating shaft, rotating shaft supports for supporting the rotating shafts on the upper sliding rail assembly are arranged at the left end and the right end of each rotating shaft, the upper ends of the rotating connecting rods are correspondingly hinged at the left side and the right side of the front end of the seat frame framework, the left ends and the right ends of the thrust shafts are fixed in the middles of the rotating connecting rods, and the rear end of the seat frame framework is hinged on the upper sliding rail assembly. When the inclination motor assembly works, the thrust connecting rod is pushed to rotate clockwise around the rotating shaft, so that the thrust shaft rises, then the rotating connecting rod is driven to rotate clockwise around the rotating shaft, the upper end of the rotating connecting rod rises, and the front end of the seat frame framework is lifted.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to an automobile seat capable of adjusting a comfortable posture.
Background
With the development of the automobile industry, people have higher requirements on the comfort and the functionality of an automobile, according to an adjusting mechanism of an automobile seat in the prior art, a backrest rotates backwards and leg supports lift legs of a passenger in a comfortable state on the seat, but in the comfortable state, most of the weight of the body of the passenger is supported downwards by a cushion, only a small part of the weight is borne by the back, and fatigue can be caused after long-time sitting. The most relaxed and least loaded state of the human body is where the entire body weight is supported discretely by the back and buttocks.
Disclosure of Invention
The invention aims to provide an automobile seat capable of adjusting a comfortable posture, which is used for adjusting the seat to a proper state, so that the weight of a passenger is dispersed on the back and the hip, and the passenger does not fatigue after sitting for a long time.
Therefore, the technical scheme adopted by the invention is as follows: an automobile seat capable of adjusting comfortable postures comprises a seat frame framework, a backrest framework, an upper sliding rail assembly, a lower sliding rail assembly, a seat front end lifting mechanism for lifting the front end of the seat and an electric leg support mechanism for unfolding or retracting the leg support, wherein the lower end of the backrest framework is hinged to the rear end of the seat frame framework and drives the backrest framework to rotate around the seat frame framework through a backrest motor; the lifting mechanism at the front end of the seat comprises a first thrust connecting rod, an inclination motor assembly and a rotating shaft, wherein the inclination motor assembly is fixedly arranged on an upper slide rail assembly, the lower end of the first thrust connecting rod is hinged on the inclination motor assembly, a thrust shaft is arranged at the upper end of the first thrust connecting rod, the middle part of the first thrust connecting rod is hinged on the rotating shaft, rotating shaft brackets for supporting the rotating shaft on the upper slide rail assembly are arranged at the left end and the right end of the rotating shaft, rotating connecting rods are arranged at the left end and the right end of the thrust shaft, the upper end of each rotating connecting rod is correspondingly hinged at the left side and the right side of the front end of a seat frame framework, the lower end of each rotating connecting rod is correspondingly hinged at the left side and the right side of the rotating shaft, and the rear end of the seat frame framework is hinged on the upper slide rail assembly; when the inclination motor assembly works, the first thrust connecting rod is pushed to rotate clockwise around the rotating shaft, so that the thrust shaft is lifted, then the rotating connecting rod is driven to rotate clockwise around the rotating shaft, so that the upper end of the rotating connecting rod is lifted, and the front end of the seat frame framework is lifted; the electric leg support mechanism comprises an extension sliding plate and a leg support supporting tube which is used for being installed on the seat frame framework, a motor installation support which extends backwards is arranged in the middle of the leg support supporting tube, a leg support motor assembly is arranged on the motor installation support, a connecting rod pushing arm is hinged to the leg support motor assembly, the other end of the connecting rod pushing arm is hinged to a pushing rod, the left end and the right end of the leg support supporting tube are respectively provided with a pushing rod support which extends forwards, the left end and the right end of the pushing rod are respectively rotatably arranged in the middle of the pushing rod support, the pushing rod is provided with a rotating mechanism which is used for enabling the extension sliding plate to rotate, and the front end of the pushing rod support is provided with a sliding mechanism which is used for pushing the extension sliding plate; when the leg support motor assembly works, the thrust arm drives the thrust rod to rotate, so that the rotating mechanism works, and then the rotating mechanism drives the sliding mechanism to work, so that the extension sliding plate is unfolded or retracted.
Preferably, the seat frame further comprises a rear rotating connecting rod, the rear end of the seat frame framework is hinged to the rear rotating connecting rod, and the lower end of the rear rotating connecting rod is hinged to the upper sliding rail assembly.
Preferably, the left inner side and the right inner side of the front end of the seat frame framework are both provided with a side plate downwards, and the upper end of the rotating connecting rod is hinged to the inner side of the corresponding side plate.
Preferably, a pin shaft is arranged on the side face of the rotating connecting rod, an arc-shaped limiting groove used for limiting the lifting angle of the seat frame framework is formed in the position, corresponding to the pin shaft, of the side plate, and the other end of the pin shaft is arranged in the limiting groove.
Preferably, the outer side surface of the side plate is hinged with a rotating block used for preventing the front end of the seat frame from descending in the collision process, the front end of the rotating block is just blocked by a hinge shaft between the rotating connecting rod and the side plate, the upper end of the rotating block is lower than the upper end of the limiting groove, the rotating block is provided with a pre-tightening spring, and the other end of the pre-tightening spring is arranged on the side plate.
Preferably, a clamping groove is formed in the middle of the upper end of the thrust connecting rod, the thrust shaft can be clamped in the clamping groove, and the thrust connecting rod is provided with outward flanges on the rest edges except the upper end.
Preferably, the two thrust connecting rods are oppositely arranged on the left and right sides and correspondingly hinged on the left and right side surfaces of the inclination motor assembly.
Preferably, the rotating mechanism comprises second thrust connecting rods, the two second thrust connecting rods are correspondingly arranged at the left end and the right end of the thrust rod, the second thrust connecting rods are located on the outer sides of the thrust rod supports, the other ends of the second thrust connecting rods are hinged with transmission rods, the other ends of the transmission rods are correspondingly hinged on the left side and the right side of the extension sliding plate, and when the second thrust connecting rods rotate, the second thrust connecting rods rotate so as to drive the extension sliding plate to rotate through the transmission rods.
Preferably, the sliding mechanism comprises following rods, one ends of the two following rods are correspondingly hinged to the inner side of the front end of the thrust rod support, the other end of each following rod is provided with a connecting sliding frame, the left side and the right side of the bottom surface of the extending sliding plate are provided with strip-shaped sliding grooves, the other ends of the connecting sliding frames are correspondingly installed on the strip-shaped sliding grooves through an installation mechanism and can slide in the strip-shaped sliding grooves, the outer side of the front end of the thrust rod support is hinged with the following rods, the following rods and the following rods share a rotating shaft, and the other ends of the following rods are hinged to the middle part of the transmission rod; when the transmission rod rotates, the follower rod rotates, so that the connecting sliding frame is driven by the follower rod to slide in the strip-shaped sliding groove, and the extending sliding plate is pushed out or retracted.
Further preferably, installation mechanism includes briquetting and lower fixed block, it sets up between connecting the balladeur train and extending the slide to go up the briquetting, the vertical screw thread section that is provided with down on the fixed block, the screw thread section is provided with the nut after passing bar spout, last briquetting and connecting the balladeur train downwards in proper order.
The invention has the beneficial effects that: the backrest framework is adjusted to rotate forwards or backwards, the seat is moved forwards or backwards by adjusting the upper sliding rail assembly, the front end of the seat can be adjusted to lift upwards by the inclination angle motor assembly, the leg support can be adjusted to be in an unfolding or withdrawing state by the leg support motor assembly, the seat can be adjusted to be in the most comfortable state by matching of the four adjusting modes, a user can conveniently be in the most comfortable state, and the backrest framework is not easy to fatigue.
Drawings
Fig. 1 is a first schematic structural diagram (retracted) of the present invention.
Fig. 2 is a second structural diagram (the most comfortable state) of the present invention.
Fig. 3 is a first schematic view of a seat front end lifting mechanism according to the present invention.
Fig. 4 is a second schematic view of the seat front end lifting mechanism of the present invention.
Fig. 5 is a third schematic structural view (lifted) of the seat front end lifting mechanism according to the present invention.
Fig. 6 is a fourth schematic structural view of the seat front end lifting mechanism according to the present invention.
Fig. 7 is a schematic view (partially exploded) of the electric leg rest mechanism of the present invention.
Fig. 8 is a schematic view of the retracted state of the electric leg rest mechanism according to the present invention.
Fig. 9 is a schematic view showing the unfolded state of the electric leg rest mechanism according to the present invention.
Fig. 10 is a second structural schematic diagram (only a sliding mechanism and a rotating mechanism) of the electric leg rest mechanism of the invention.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-10, an automobile seat capable of adjusting a comfortable posture is mainly composed of a seat frame framework 1, a backrest framework 2, an upper sliding rail component 3, a lower sliding rail component, a seat front end lifting mechanism and an electric leg support mechanism. The lower extreme of back skeleton 2 articulates the rear end of sitting frame skeleton 1 to drive back skeleton 2 through the back motor and rotate round sitting frame skeleton 1, sit fixed the setting in frame skeleton 1 below on last slide rail set spare 3, go up slide rail set spare 3 and move back and forth on slide rail set spare under the drive of slide rail motor, this is prior art, no longer gives details here. The seat front end lifting mechanism is arranged below the seat frame framework 1 and used for lifting the seat front end, and the electric leg support mechanism is arranged at the front end of the seat frame framework 1 and used for leg support unfolding or retracting.
Wherein the concrete structure of seat front end lifting mechanism includes first thrust connecting rod 6, inclination motor component 5 and rotation axis 8, wherein inclination motor component 5 is fixed to be set up on last slide rail set spare 3, the lower extreme of first thrust connecting rod 6 articulates on inclination motor component 5, be provided with thrust shaft 7 in the upper end of first thrust connecting rod 6, the middle part of first thrust connecting rod 6 articulates on rotation axis 8, both ends are provided with the rotating shaft support 10 that is used for supporting rotation axis 8 on last slide rail set spare 3 about rotation axis 8, and rotation axis 8 can rotate on rotating shaft support 10. The left end and the right end of the thrust shaft 7 are respectively provided with a rotating connecting rod 9, the upper end of each rotating connecting rod 9 is correspondingly hinged to the left side and the right side of the front end of the seat frame framework 1, the lower end of each rotating connecting rod 9 is correspondingly hinged to the left side and the right side of the rotating shaft 8, the rotating connecting rods 9 are located on the inner sides of the two rotating shaft supports 10, and the rear end of the seat frame framework 1 is hinged to the upper sliding rail assembly 3.
When inclination motor subassembly 5 during operation, through the lower extreme forward motion that promotes first thrust connecting rod 6, make first thrust connecting rod 6 rotate clockwise around rotation axis 8, lead to thrust shaft 7 to rise, then drive rotatory connecting rod 9 and rotate clockwise around rotation axis 8 for the upper end of rotatory connecting rod 9 risees, thereby makes seat frame skeleton 1 rotate clockwise around the pin joint of its rear side, and then makes the front end of seat by the lifting.
The specific structure of the electric leg support mechanism comprises an extension sliding plate 18 and a leg support supporting tube 11 which is used for being installed on the seat frame framework 1, wherein the leg support supporting tube 11 can be matched in structure according to different seat frame frameworks 1, and the extension sliding plate 18 is used for supporting shanks. A motor mounting support 12 extending backwards is arranged in the middle of the leg support supporting tube 11, a leg support motor assembly 13 is arranged on the motor mounting support 12, a connecting rod pushing arm 14 is hinged to the leg support motor assembly 13, the other end of the connecting rod pushing arm 14 is hinged to a thrust rod 15, thrust rod supports 16 extending forwards are arranged at the left end and the right end of the leg support supporting tube 11 respectively, the left end and the right end of the thrust rod 15 are rotatably arranged in the middle of the thrust rod supports 16, a rotating mechanism used for enabling the extension sliding plate 18 to rotate is arranged on the thrust rod 15, and a sliding mechanism used for pushing the extension sliding plate 18 is arranged at the front end of each thrust rod support 16. When the leg support motor assembly 13 works, the link push arm 14 drives the push rod 15 to rotate, so that the rotating mechanism works, and then the rotating mechanism drives the sliding mechanism to work, so that the extension sliding plate 18 is unfolded or retracted.
The inclination motor assembly 5 comprises an inclination motor 5a, the inclination motor 5a is fixedly arranged on the upper sliding rail assembly 3 through an inclination motor support 5d and is located below the position, close to the back, in the middle of the seat frame framework 1, the output end of the inclination motor 5a is provided with an inclination screw rod 5b extending forwards, an inclination screw thread seat 5c is arranged on the inclination screw rod 5b, the inclination screw thread seat 5c is connected with the inclination screw rod 5b in a threaded mode, and when the inclination motor 5a works, the inclination screw rod 5b is driven to rotate to enable the inclination screw thread seat 5c to move.
The leg support motor assembly 13 comprises a leg support motor 13a, the leg support motor 13a is fixedly arranged below the motor mounting support 12 through a leg support motor support 13d, a leg support threaded seat 13b is arranged at the output end of the leg support motor 13a, a leg support threaded rod 13c penetrating through the leg support threaded seat 13b is arranged on the leg support threaded seat 13b, the leg support threaded seat 13b is in threaded connection with the leg support threaded rod 13c, one end of the leg support threaded rod 13c is hinged to the connecting rod pushing arm 14, and when the leg support motor 13a works, the leg support threaded rod 13c moves back and forth by driving the leg support threaded seat 13b to rotate, so that the lower end of the connecting rod pushing arm 14 is pushed to rotate.
In order to prevent the interference of the rear side of the seat frame when the front end of the seat is lifted, a rear rotating connecting rod 19 is further designed, the rear end of the seat frame 1 is hinged on the rear rotating connecting rod 19, and the lower end of the rear rotating connecting rod 19 is hinged on the upper sliding rail component 3.
In order to facilitate the upper end of the rotary connecting rod 9 to be hinged at the front end of the seat frame framework 1, the left inner side and the right inner side of the front end of the seat frame framework 1 are both provided with a side plate 20 downwards, and the upper end of the rotary connecting rod 9 is hinged at the inner side of the corresponding side plate 20.
For limiting the lifting angle of the seat frame framework 1, a pin shaft 9a is arranged on the side surface of the rotating connecting rod 9, meanwhile, an arc-shaped limiting groove 20a is formed in the position, corresponding to the pin shaft 9a, of the side plate 20, the other end of the pin shaft 9a is arranged in the limiting groove 20a, and along with the lifting of the front end of the seat, the pin shaft 9a moves to the upper end of the limiting groove 20 a.
A rotating block 21 is hinged on the outer side surface of the side plate 20, the front end of the rotating block 21 is just blocked by a hinge shaft between the rotating connecting rod 9 and the side plate 20, the upper end of the rotating block 21 is lower than the upper end of the limiting groove 20a, a pre-tightening spring 22 is arranged on the rotating block 21, and the other end of the pre-tightening spring 22 is arranged on the side plate 20. After the front end of the seat is lifted up, when the front end of the seat is impacted instantaneously, the rotating block 21 rotates clockwise under the action of centrifugal force, just rotates to the lower part of the pin shaft 9a, and is pressed by the pin shaft 9a to prevent the pin shaft 9a from rotating, meanwhile, the pin shaft 9a is also supported by the rotating block 21 to prevent the pin shaft 9a from moving downwards, and therefore the deformation of the seat in moving can be reduced.
In order to strengthen the acting force of the first thrust connecting rod 6 on the thrust shaft 7, two first thrust connecting rods 6 are arranged and oppositely arranged left and right, hinged blocks are arranged on the left side surface and the right side surface of the inclined angle thread seat 5c towards the front, and the two first thrust connecting rods 6 are correspondingly hinged on the hinged blocks. A clamping groove 6a is formed in the middle of the upper end of the first thrust connecting rod 6, the thrust shaft 7 can be clamped in the clamping groove 6a, the first thrust connecting rod 6 is provided with an outward flange 6b except for the upper end, and the outward flange 6b can increase the strength of the first thrust connecting rod 6. The hinge shaft between the rotation link 9 and the side plate 20 is integrally formed with the rotation link 9, and a ring of inward turned-over edges 9b for increasing strength is provided on the side of the rotation link 9.
The rotating shaft bracket 10 is L-shaped as a whole, and triangular reinforcing ribs are provided on the vertical section and the horizontal section for increasing the strength of the rotating shaft bracket 10.
The specific structure of the rotating mechanism comprises second thrust connecting rods 23, the two second thrust connecting rods 23 are correspondingly arranged at the left end and the right end of the thrust rod 15, the second thrust connecting rods 23 are positioned at the outer sides of the thrust rod supports 16, the other ends of the second thrust connecting rods 23 are hinged with transmission rods 24, and the other ends of the transmission rods 24 are correspondingly hinged on the left side and the right side of the extension sliding plate 18. When the thrust rod 15 is rotated, the second thrust link 23 is rotated, thereby carrying the extension sled 18 with it via the drive rod 24.
The sliding mechanism comprises following rods 25, one ends of the two following rods 25 are correspondingly hinged to the inner side of the front end of a thrust rod support 16, the other ends of the following rods 25 are provided with connecting sliding carriages 26, the left side and the right side of the bottom surface of an extending sliding plate 18 are provided with strip-shaped sliding grooves 18a, the other ends of the connecting sliding carriages 26 are correspondingly mounted on the strip-shaped sliding grooves 18a through mounting mechanisms and can slide in the strip-shaped sliding grooves 18a, the outer sides of the front end of the thrust rod support 16 are hinged with the following rods 27, the following rods 27 and the following rods 25 share a rotating shaft, and the other ends of the following rods 27 are hinged to the middle of a transmission rod 24. When the transmission rod 24 rotates, the follower rod 27 rotates, so that the connecting carriage 26 is slid in the strip-shaped slide groove 18a by the follower rod 25, and the extension slide 18 is pushed out or retracted.
The specific structure of the mounting mechanism comprises an upper pressing block 28 and a lower fixing block 29, wherein the upper pressing block 28 is arranged between the connecting sliding frame 26 and the extending sliding plate 18, a threaded section is vertically arranged on the lower fixing block 29, and a nut is arranged after the threaded section downwards sequentially penetrates through the strip-shaped sliding groove 18a, the upper pressing block 28 and the connecting sliding frame 26.
For the installation of convenient installation mechanism, slide mechanism and slewing mechanism, extension slide 18 mainly comprises a rectangular plate, and the equal 90 downward bending of the left and right sides of rectangular plate forms the curb plate that supplies the slewing mechanism installation, and the equal 90 inward bending of the curb plate of the left and right sides forms the bottom plate, and bar spout 18a sets up on the bottom plate, and two bottom plates do not contact each other.
The seat is moved forwards or backwards through the sliding rail motor, the seat is unfolded after being moved to a proper position, the backrest framework is rotated backwards to a certain position through the backrest motor, the front end of the seat can be adjusted through the inclination motor assembly to be lifted upwards, and the leg support is unfolded through the leg support motor assembly, so that the whole seat is in the most comfortable state, and the fatigue after long-time sitting is prevented.
Claims (7)
1. The utility model provides an automobile seat of adjustable comfortable gesture, is including sitting frame skeleton (1), back skeleton (2), going up slide rail assembly (3) and lower slide rail assembly, the lower extreme of back skeleton (2) articulates at the rear end of sitting frame skeleton (1) and winds and sit frame skeleton (1) and rotate, sit fixed the setting in frame skeleton (1) below on last slide rail assembly (3), it can be on lower slide rail assembly back-and-forth movement, its characterized in that to go up slide rail assembly (3): the electric leg support device also comprises a seat front end lifting mechanism for lifting the front end of the seat and an electric leg support mechanism for unfolding or folding the leg support;
the lifting mechanism at the front end of the seat comprises a first thrust connecting rod (6), an inclination motor component (5) and a rotating shaft (8), the inclination motor component (5) is fixedly arranged on an upper sliding rail component (3), the lower end of the first thrust connecting rod (6) is hinged on the inclination motor component (5), a thrust shaft (7) is arranged at the upper end of the first thrust connecting rod (6), the middle part of the first thrust connecting rod (6) is hinged on the rotating shaft (8), rotary shaft brackets (10) used for supporting the rotating shaft (8) on the upper sliding rail component (3) are arranged at the left end and the right end of the rotating shaft (8), rotary connecting rods (9) are arranged at the left end and the right end of the thrust shaft, the upper end of each rotary connecting rod (9) is correspondingly hinged at the left side and the right side of the front end of a seat frame framework (1), and the lower end of each rotary connecting rod (9) is correspondingly hinged at the left side and the right side of the rotating shaft (8), the rear end of the seat frame framework (1) is hinged to the upper sliding rail component (3); when the inclination motor assembly (5) works, the first thrust connecting rod (6) is pushed to rotate clockwise around the rotating shaft (8), so that the thrust shaft (7) is lifted, then the rotating connecting rod (9) is driven to rotate clockwise around the rotating shaft (8), so that the upper end of the rotating connecting rod (9) is lifted, and the front end of the seat frame framework (1) is lifted;
a pin shaft (9a) is arranged on the side face of the rotating connecting rod (9), an arc-shaped limiting groove used for limiting the lifting angle of the seat frame framework (1) is formed in the position, corresponding to the pin shaft (9a), of the outer side face of the seat frame framework (1), the other end of the pin shaft (7a) is arranged in the limiting groove, a rotating block (21) used for preventing the front end of the seat frame from descending in the collision process is hinged to the outer side face of the seat frame framework (1), the front end of the rotating block (21) is just blocked by a hinged shaft between the rotating connecting rod (9) and the seat frame framework (1), the upper end of the rotating block (21) is lower than the upper end of the limiting groove, a pre-tightening spring (22) is arranged on the rotating block (21), and the other end of the pre-tightening spring (22) is arranged on the seat frame framework (1);
the electric leg support mechanism comprises an extension sliding plate (18) and a leg support supporting tube (11) arranged on the seat frame framework (1), the middle part of the leg support tube (11) is provided with a motor mounting support (12) extending backwards, a leg support motor component (13) is arranged on the motor mounting support (12), a connecting rod thrust arm (14) is hinged on the leg support motor component (13), the other end of the connecting rod thrust arm (14) is hinged on the thrust rod (15), the left end and the right end of the leg support tube (11) are both provided with thrust rod supports (16) extending forwards, the left end and the right end of the thrust rod (15) are both rotatably arranged in the middle of the thrust rod support (16), the thrust rod (15) is provided with a rotating mechanism for rotating the extension sliding plate (18), the front end of the thrust rod support (16) is provided with a sliding mechanism for pushing the extension sliding plate (18); when the leg support motor assembly (13) works, the connecting rod pushing arm (14) drives the pushing rod (15) to rotate, so that the rotating mechanism works, and then the rotating mechanism drives the sliding mechanism to work, so that the extension sliding plate (18) is unfolded or retracted.
2. The adjustable comfort-posture car seat as set forth in claim 1, wherein: the seat frame is characterized by further comprising a rear rotating connecting rod (19), the rear end of the seat frame framework (1) is hinged to the rear rotating connecting rod (19), and the lower end of the rear rotating connecting rod (19) is hinged to the upper sliding rail assembly (3).
3. The adjustable comfort-posture car seat as set forth in claim 1, wherein: both insides all are provided with curb plate (20) downwards about sitting frame skeleton (1) front end, the upper end of rotatory connecting rod (9) articulates the inboard that corresponds curb plate (20), the spacing groove sets up on curb plate (20), the other end setting of pretension spring (22) is on curb plate (20).
4. The adjustable comfort-posture car seat as set forth in claim 1, wherein: a clamping groove (6a) is formed in the middle of the upper end of the first thrust connecting rod (6), the thrust shaft (7) can be clamped in the clamping groove (6a) just, and the first thrust connecting rod (6) is provided with an outward flange (6b) except for the upper end on the rest edge.
5. The adjustable comfort-posture car seat as set forth in claim 1, wherein: the rotating mechanism comprises second thrust connecting rods (23), the two second thrust connecting rods (23) are correspondingly arranged at the left end and the right end of the thrust rod (15), the second thrust connecting rods (23) are located on the outer side of the thrust rod support (16), the other ends of the second thrust connecting rods (23) are hinged with transmission rods (24), the other ends of the transmission rods (24) are correspondingly hinged on the left side and the right side of the extension sliding plate (18), and when the thrust rod (15) rotates, the second thrust connecting rods (23) rotate, so that the extension sliding plate (18) is driven to rotate through the transmission rods (24).
6. The adjustable comfort-posture car seat as set forth in claim 5, wherein: the sliding mechanism comprises following rods (25), one ends of the two following rods (25) are correspondingly hinged to the inner side of the front end of the thrust rod support (16), the other end of each following rod (25) is provided with a connecting sliding frame (26), the left side and the right side of the bottom surface of the extending sliding plate (18) are provided with strip-shaped sliding grooves (18a), the other ends of the connecting sliding frames (26) are correspondingly installed on the strip-shaped sliding grooves (18a) through an installation mechanism and can slide in the strip-shaped sliding grooves (18a), the outer side of the front end of the thrust rod support (16) is hinged with a following rod (27), the following rod (27) and the following rods (25) share a rotating shaft, and the other ends of the following rods (27) are hinged to the middle part of the transmission rod (24); when the transmission rod (24) rotates, the follower rod (27) rotates, so that the connecting sliding frame (26) is driven by the follower rod (25) to slide in the strip-shaped sliding groove (18a), and the extension sliding plate (18) is pushed out or retracted.
7. The adjustable comfort-posture car seat as set forth in claim 6, wherein: the installation mechanism comprises an upper pressing block (28) and a lower fixing block (29), the upper pressing block (28) is arranged between the connecting sliding frame (26) and the extending sliding plate (18), a threaded section is vertically arranged on the lower fixing block (29), and a nut is arranged after the threaded section downwards sequentially penetrates through the strip-shaped sliding groove (18a), the upper pressing block (28) and the connecting sliding frame (26).
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| CN202111107086.4A CN113771705B (en) | 2021-09-22 | 2021-09-22 | Automobile seat capable of adjusting comfortable posture |
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| CN202111107086.4A CN113771705B (en) | 2021-09-22 | 2021-09-22 | Automobile seat capable of adjusting comfortable posture |
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| CN113771705A true CN113771705A (en) | 2021-12-10 |
| CN113771705B CN113771705B (en) | 2022-06-17 |
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| CN202111107086.4A Active CN113771705B (en) | 2021-09-22 | 2021-09-22 | Automobile seat capable of adjusting comfortable posture |
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| WO2023130658A1 (en) * | 2022-01-10 | 2023-07-13 | 延锋国际汽车技术有限公司 | Adjustment device for vehicle seat, seat cushion framework, and vehicle seat |
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|---|---|
| CN113771705B (en) | 2022-06-17 |
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Effective date of registration: 20220525 Address after: 401133 No. 218-2 Yuguan Avenue, Yuzui Town, Liangjiang New Area, Jiangbei District, Chongqing Applicant after: Magna seat R & D (Chongqing) Co.,Ltd. Address before: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Applicant before: Magna Hongli Automotive System Group Co.,Ltd. |
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