CN110103784B - Seat assembly and seat electric adjustment mechanism - Google Patents
Seat assembly and seat electric adjustment mechanism Download PDFInfo
- Publication number
- CN110103784B CN110103784B CN201910507400.4A CN201910507400A CN110103784B CN 110103784 B CN110103784 B CN 110103784B CN 201910507400 A CN201910507400 A CN 201910507400A CN 110103784 B CN110103784 B CN 110103784B
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- seat
- cushion
- backrest
- seat cushion
- bracket
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- 230000007246 mechanism Effects 0.000 title claims abstract description 151
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000033001 locomotion Effects 0.000 abstract description 7
- 241000234295 Musa Species 0.000 description 7
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B60N2/04—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
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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
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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
- B60N2/14—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 rotatable, e.g. to permit easy access
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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
Abstract
The invention discloses a seat assembly and a seat electric adjusting mechanism, wherein the seat adjusting mechanism is provided with a seat cushion driving mechanism and a backrest driving mechanism, the seat cushion driving mechanism comprises at least one seat cushion transmission unit and a seat cushion motor supported on a sliding rail of a vehicle sliding rail assembly, the seat cushion transmission unit at least comprises a seat cushion angle rotating mechanism, a front connecting bracket, a seat cushion side plate and a connecting rod mechanism formed by a rear connecting bracket, and the seat cushion motor of the seat cushion driving mechanism can drive the seat cushion angle rotating mechanism to positively and negatively rotate so as to realize forward movement and resetting of a seat cushion through the connecting rod mechanism formed by the front connecting bracket, the seat cushion side plate and the rear connecting bracket; and the backrest motor of the backrest driving mechanism can also drive the backrest angle rotating mechanism to move positively and negatively so as to realize the backrest to be in a folding position and an unfolding position, and further realize the automatic adjustment control of the seat.
Description
Technical Field
The invention relates to the technical field of vehicle seats, in particular to a seat assembly and a seat electric adjusting mechanism.
Background
For rear seats in vehicles, it is desirable to adjust the front-to-rear position of the middle seat to facilitate entry of third-row passengers for vehicle ride flexibility. Seat adjustment mechanisms are commonly used in the prior art to effect movement of the seat back and forth positions.
Referring to fig. 1, fig. 1 is a schematic structural view of a seat adjusting mechanism in the prior art.
Currently, the seat adjusting mechanism is mainly a manual adjusting mechanism, that is, a manual driving mechanism realizes Easy-Entry (Chinese name: convenient seating) or seat-rest linkage leveling. Referring to fig. 1, a Banana link is generally provided in the prior art, where the Banana link includes a first lever section 001 and a second lever section 002, and the first lever section 001 and the second lever section 002 are manually driven to rotate to achieve seat position adjustment.
Banana links are typically provided on both sides of the seat, i.e. the seat sides need to be deliberately reserved for space in order to install the Banana links. And the Banana link operation also requires a certain space. Therefore, the transversely available space in the vehicle is greatly reduced, the Banana connecting rod is abrupt from the outside, and the aesthetic property and the comfort of the vehicle are also greatly reduced.
In addition, the current structure has the following problems: (1) when Easy-Entry is realized or the backrest is adjusted, the seats are relatively moved, which is not beneficial to the placement of the child seats; (2) after the rear seat enters the EZ state, a part at the rear end of the seat is exposed, so that the rear passengers cannot conveniently enter and exit; (3) the existence of the Banana connecting rod and the mounting fittings thereof increases the weight of the seat, which is unfavorable for the requirement of light weight of the seat.
Therefore, how to improve the utilization rate of the vehicle space, and further optimize the whole vehicle layout space, so as to realize that the child seat does not need to be disassembled in Easy-Entry actions and the weight of the seat is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention provides a seat adjusting mechanism, which comprises a seat cushion driving mechanism and a backrest driving mechanism;
the seat cushion driving mechanism comprises at least one seat cushion transmission unit and a seat cushion motor supported on a sliding rail of a vehicle sliding rail assembly, the seat cushion transmission unit comprises a seat cushion angle rotating mechanism, a front connecting bracket, a seat cushion side plate and a rear connecting bracket, the front end part of the front connecting bracket is connected with a rotating part of the seat cushion angle rotating mechanism, the rear end part of the front connecting bracket is hinged with the seat cushion side plate, one end of the rear connecting bracket is hinged with the seat cushion side plate, and the other end of the rear connecting bracket is matched and hinged with the sliding rail; an output shaft of the cushion motor is connected with the cushion angle rotating mechanism so as to drive a rotating part of the cushion angle rotating mechanism to rotate in a reciprocating manner;
the backrest driving mechanism comprises a backrest motor and at least one backrest transmission unit, wherein the backrest motor is supported on a backrest bracket, the backrest transmission unit comprises a backrest angle rotating mechanism, and the backrest motor drives the backrest angle rotating mechanism to rotate in a reciprocating manner so as to enable the backrest bracket to reciprocate in a folding position and an unfolding position.
Compared with the prior art, the seat adjusting mechanism is provided with the seat cushion driving mechanism and the backrest driving mechanism, and the seat cushion motor of the seat cushion driving mechanism can drive the seat cushion angle rotating mechanism to rotate positively and negatively so as to realize the forward movement and the return of the seat cushion through the connecting rod mechanism formed by the front connecting bracket, the seat cushion side plate and the rear connecting bracket; and the backrest motor of the backrest driving mechanism can also drive the backrest angle rotating mechanism to move positively and negatively so as to realize the backrest in the folding position and the unfolding position. Thereby realizing the automatic adjustment control of the seat.
Optionally, the front connecting bracket, the cushion side plate, the rear connecting bracket and the sliding rail form a four-bar mechanism, wherein a fixing base of the front connecting bracket is higher than a fixing base of the rear connecting bracket, and the length of the front connecting bracket is shorter than that of the rear connecting bracket.
Optionally, the fixing support is fixedly connected to the sliding rail, the fixing support comprises a vertical portion and a horizontal portion, the fixing portion of the cushion angle rotating mechanism is fixedly installed on the vertical portion, the cushion angle rotating mechanism is located on the outer side of the vertical portion, and the horizontal portion is provided with an installation structure matched and fixed with the sliding rail.
Optionally, the number of the cushion transmission units is two, and the cushion transmission units are respectively arranged at two sides of the seat; the seat adjusting mechanism further comprises a rear lifting pipe which is transversely arranged, two ends of the rear lifting pipe are respectively connected with cushion side plates of the cushion transmission units in a rotating mode, and rear connecting supports in the cushion transmission units are respectively fixed at two ends of the rear lifting pipe.
Optionally, the rear connecting bracket and the front connecting bracket of the same cushion transmission unit have a predetermined distance along the transverse direction, and the front connecting bracket is located at the outer side of the rear connecting bracket and located at the inner side of the cushion side plate.
Optionally, the device further comprises a front lifting pipe, wherein two ends of the front lifting pipe are hinged to the front connecting bracket and the cushion side plate corresponding to two sides respectively at the same point; or,
also comprises a rear transverse tube which is arranged at the lower part of the rear transverse tube, the two ends of the rear transverse tube are respectively and directly connected with the cushion side plates on the two sides.
Optionally, the number of cushion motor is one, the cushion motor passes through the output shaft drives the cushion angle rotary mechanism rotation of both sides simultaneously.
Optionally, the number of the backrest transmission units is two, the backrest transmission units are respectively arranged at two sides of the seat, the number of the backrest motors is one, and the backrest motors simultaneously drive backrest angle rotating mechanisms in the backrest transmission units at two sides to rotate.
Optionally, the backrest motor is mounted on the inner side of the backrest bracket through a bracket; or/and the combination of the two,
the cushion motor is located at the inner side of the cushion side plate.
On the basis of the seat adjusting mechanism, the invention also provides a seat assembly, which comprises a seat and a slide rail assembly, wherein the slide rail assembly comprises a fixed slide way and a sliding rail, the fixed slide way is used for being fixed with a vehicle floor, the sliding rail can longitudinally slide relative to the fixed slide way, the seat adjusting mechanism also comprises any one of the seat adjusting mechanisms, and a cushion motor of the seat adjusting mechanism is supported on the sliding rail of the slide rail assembly.
The seat assembly provided by the invention has the above-mentioned seat adjusting mechanism, so the seat assembly also has the above-mentioned technical effects of the seat adjusting mechanism.
Drawings
FIG. 1 is a schematic view of a prior art seat adjustment mechanism;
FIG. 2 is a schematic view of a part of a seat electric adjustment mechanism according to an embodiment of the present invention;
FIG. 3 is an exploded view of the seat adjustment mechanism of FIG. 2;
FIG. 4 is a schematic view of the seat cushion adjustment mechanism of FIG. 2;
fig. 5 is a schematic view of the seat in a normal sitting state;
FIG. 6 is a schematic view of the seat cushion of the seat forwardly dumped back space;
FIG. 7 is a schematic view of the seat back in a folded condition;
FIG. 8 is a schematic view of a seat power adjustment mechanism having two seat cushion drive units and two backrest drive units in accordance with one embodiment of the present invention;
fig. 9 is an exploded view of the seat power adjustment mechanism of fig. 8.
Wherein, the one-to-one correspondence of the component names and the reference numerals in fig. 1 is as follows:
001-a first pole segment; 002-a second pole segment;
wherein, in fig. 2 to 9:
101-a backrest support; 103-a backrest motor; 104-a bracket; 105-the output shaft of the backrest motor; 106-an upper connecting plate; 108-a backrest angle rotation mechanism; 109-lower connection plate;
201-post riser; 202-a rear transverse tube; 203-a rear connection bracket; 204-front riser; 205-a cushion motor; 206-a cushion angle rotation mechanism; 207-front connection brackets; 208-bearing sleeve; 209-an output shaft; 212-fixing a bracket; 215-cushion side panels;
300-a slide rail assembly; 301-sliding rail; 302-fixed slide way; 303-slide rail motor.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 to 9, fig. 2 is a schematic partial structure of a seat electric adjustment mechanism according to an embodiment of the invention; FIG. 3 is an exploded schematic view of the seat power adjustment mechanism of FIG. 2; FIG. 4 is a schematic view of the seat cushion adjustment mechanism of FIG. 2; fig. 5 is a schematic view of the seat in a normal sitting state; FIG. 6 is a schematic view of the seat cushion of the seat forwardly dumped back space; FIG. 7 is a schematic view of the seat back in a folded condition; FIG. 8 is a schematic view of a seat power adjustment mechanism having two seat cushion drive units and two backrest drive units in accordance with one embodiment of the present invention; fig. 9 is an exploded view of the seat power adjustment mechanism of fig. 8.
The seat electric adjusting mechanism provided by the invention is mainly applied to middle and rear seats, and can realize folding and leveling of the backrest of the seat and forward dumping of the cushion. Of course, it is not limited to application to the middle-rear row seats, but may also be applied to the front row seats.
The lower end of the seat is provided with a slide rail assembly 300, the slide rail assembly 300 comprises a fixed slide rail 302 and a slide rail 301, the fixed slide rail 302 is fixed on the floor of the vehicle, and the slide rail 301 can longitudinally and reciprocally slide relative to the fixed slide rail 302 under the drive of a slide rail motor 303 (see fig. 9) so as to integrally move the front and rear positions of the seat. The specific structure of the fixed slideway 302 and the sliding rail 301 is referred to the prior art, and is not described in detail herein.
The invention provides a seat electric adjusting mechanism which comprises a seat cushion driving mechanism and a backrest driving mechanism. The seat comprises a cushion and a backrest, wherein the backrest can be folded and unfolded relative to the cushion, namely, the backrest has two states, namely, the backrest is folded and placed above the cushion, and the other state is in an unfolded state so as to meet the riding requirement.
Wherein the cushion drive mechanism comprises at least one cushion drive unit comprising a cushion angular rotation mechanism 206, a front connecting bracket 207, a cushion side plate 215 and a rear connecting bracket 203. The seat cushion side plate 215 is fixedly connected with the seat cushion.
The cushion angle rotation mechanism 206 generally includes a fixed portion supported by the slide rail 301 of the slide rail assembly 300 and a rotating portion connected to the front connection bracket 207.
Specifically, the angle rotation mechanism 206 may be a gear adjustment mechanism or the like.
The front end part of the front connecting bracket 207 is connected with the rotating part of the cushion angle rotating mechanism 206, the rear end part of the front connecting bracket is hinged with the cushion side plate 215, one end of the rear connecting bracket 203 is hinged with the cushion side plate 215, and the other end of the rear connecting bracket is matched and hinged with the sliding rail 301; an output shaft of the cushion motor 205 is connected to the cushion angle rotation mechanism 206 to drive the rotating portion of the cushion angle rotation mechanism 206 to reciprocally rotate.
When the rear side of the seat needs a large space, the cushion motor 205 can be controlled to drive the cushion angle rotating mechanism 206 to rotate along a preset direction, and under the drive of the cushion angle rotating mechanism 206, the front connecting bracket 207 drives the cushion side plate 215 and the rear connecting bracket 203 to rotate, so that the rear end of the cushion is driven to move relatively forwards until the front end of the cushion is at the lowest position, so that the space behind the seat is maximized.
When the seat is returned to the original position, the cushion motor 205 only needs to rotate in the opposite direction, and the cushion angle rotation mechanism 206 also rotates in the opposite direction, so that the mechanism formed by the front link bracket 207, the cushion side plate 215, and the rear link bracket 203 moves in the opposite direction until the seat is returned to the original position.
Of course, by reasonably setting the link mechanism formed by the front link bracket 207, the cushion side plate 215, and the rear link bracket 203, when the link mechanism moves to the two extreme positions, it is achieved that the cushion moves to the lowest position and the reset state, respectively.
The front link bracket 207, the cushion side plate 215, the rear link bracket 203, and the slide rail 301 preferably form a four-bar linkage. The fixing base of the front link bracket 207 is higher than the fixing base of the rear link bracket 203, and the length of the front link bracket 207 is shorter than the length of the rear link bracket 203. The front connecting bracket 207, i.e. the swing arm, is herein preferably a pair of links of a right and left symmetrical number of cushion drive units, which can be fixedly coupled by the rear riser 201.
The lower rotation point O of the front connecting bracket 207 establishes an orthogonal coordinate system, the upper end of the front connecting bracket 207 is a point P, and the initial state of the seat is a point B of the seat P in the coordinate system (as shown in fig. 5); when the front connecting bracket 207 tilts forwards to realize the EZ-entry function, the P point is positioned in the A/D area of the coordinate system (as shown in FIG. 6); the forward link bracket 207 rotates rearward to effect the lowering of the seat back to lie in the region of the coordinate system C at point P (as shown in fig. 7).
Under the control of an ECU (English is called Electronic Control Unit, chinese is called an electronic control unit), the cushion motor 205 drives the four-bar mechanism to rotate backwards, the backrest motor 103 drives the backrest to rotate forwards, and the cushion and the backrest are folded, so that the linkage of sitting and leaning is realized (see figure 7); under the control of an ECU (electronic control unit), the cushion motor 205 drives the four-bar mechanism to rotate forwards, so that the rear end of the cushion is lifted, and the cushion is inclined to release an X-direction space; the sled motor 303 drives the sled rail 301 forward to further free the X-direction space, thereby implementing the Easy-Entry function (see fig. 6).
The back driving mechanism of the seat electric adjusting mechanism of the invention comprises a back motor 103 and at least one back transmission unit which are supported on a back bracket 101, wherein the back transmission unit comprises a back angle rotating mechanism 108, and the back motor 103 drives the back bracket 101 to reciprocate and to a folding position and an unfolding position through the back angle rotating mechanism 108.
That is, the backrest motor 103 drives the backrest angular rotation mechanism 108 to rotate forward and backward, thereby realizing the reciprocating rotation of the backrest relative to the seat cushion, so that the backrest is folded and positioned above the seat cushion, or the backrest is in an unfolded state away from the seat cushion to meet the normal riding requirement.
The structure of the seatback angle rotating mechanism 108 may be the same as the seat cushion angle rotating mechanism 206.
Compared with the prior art through manual operation, the seat electric adjusting mechanism provided by the invention is provided with the seat cushion driving mechanism and the backrest driving mechanism, and the seat cushion motor 205 of the seat cushion driving mechanism can drive the seat cushion angle rotating mechanism 206 to rotate positively and negatively so as to realize the forward movement and the return of the seat cushion through the connecting rod mechanism formed by the front connecting bracket 207, the seat cushion side plate 215 and the rear connecting bracket 203; and the backrest motor 103 of the backrest driving mechanism can also drive the backrest angle rotating mechanism 108 to move forward and backward so as to realize the backrest in the folded position and the unfolded position. Thereby realizing the automatic adjustment control of the seat.
In the above embodiment, the seat electric adjustment mechanism may further include a fixed bracket 212 fixedly connected to the slide rail 301, the fixed bracket 212 includes a vertical portion and a horizontal portion, the fixed portion of the seat cushion angle rotation mechanism 206 is fixedly mounted to the vertical portion, and the seat cushion angle rotation mechanism 206 is located outside the vertical portion. Specifically, the vertical portion may be provided with a mounting hole, and the mounting hole is mounted in cooperation with the fixing portion of the cushion angle rotation mechanism. The horizontal portion is provided with a mounting structure which is matched and fixed with the sliding rail, namely the horizontal portion is fixedly connected with the sliding rail 301, and the horizontal portion can be fixed on the upper surface of the sliding rail 301.
In order to realize the stability of the seat electric adjusting mechanism on the adjustment of the seat cushion, the seat cushion driving units in the invention can be two in number and respectively arranged at two sides of the seat, the seat electric adjusting mechanism also comprises a rear lifting pipe 201 which is transversely arranged, two ends of the rear lifting pipe 201 are respectively and rotatably connected with cushion side plates 215 of the two seat cushion driving units, the two seat cushion driving units and the rear lifting pipe are rotatably connected through bearings, only a bearing sleeve 208 is shown in fig. 3, and other parts for realizing rotation are not shown, but the understanding of technical schemes by a person skilled in the art is not hindered. Both rear connection brackets 203 are fixed to the rear riser 201.
The two rear connecting brackets 203 are simultaneously connected to the same rear riser 201, which is beneficial for the synchronous action of the two transmission units on both sides.
In the above embodiments, both the rear link bracket 203 and the front link bracket 207 of the same cushion transmission unit have a predetermined distance therebetween in the lateral direction, and the front link bracket 207 is located outside the rear link bracket 203 and inside the cushion side plate 215.
This arrangement may increase the flexibility of movement of the linkage.
In the above embodiments, the seat electric adjusting mechanism further includes a front lifting pipe 204, and two ends of the front lifting pipe 204 are hinged to the same point with the front connecting bracket 207 and the cushion side plate 215 of the cushion transmission units on two sides respectively. This can simplify the connection structure of the components of the mechanism.
Of course, the seat electric adjusting mechanism can also be added with a rear transverse tube 202, and two ends of the rear transverse tube 202 are respectively and directly hinged to the cushion side plates 215 at two sides. The rear cross tube 202 can further improve the motion synchronicity of the two-sided cushion drive units.
In each of the above embodiments, the number of cushion motors 205 is one, and the cushion motors 205 simultaneously drive the cushion angle rotation mechanisms 206 on both sides to rotate via the output shafts 209. That is, the cushion angle rotating mechanisms 206 of the two cushion transmission units are respectively installed at two end parts of the output shaft of the cushion motor, and the cushion motor 205 rotates to drive the cushion angle rotating mechanisms 206 at two ends of the output shaft 209 thereof to synchronously rotate, so as to drive the cushion transmission units at two sides to synchronously move, thereby increasing the stability of cushion movement. The output shaft of the cushion motor is preferably a spline shaft.
The number of the backrest transmission units can be two, the backrest transmission units are respectively arranged on two sides of the seat, the number of the backrest motors 103 is one, and the backrest motors 103 simultaneously drive backrest angle rotating mechanisms on two sides to rotate. Specifically, the output shaft 105 of the backrest motor is preferably a spline shaft, and backrest angle rotation mechanisms 108 of the two backrest transmission units are respectively arranged at both end portions of the transmission shaft.
In the above embodiments, the backrest motor 103 is mounted on the inner side of the backrest bracket 101 through the bracket 104; or/and the cushion motor 205 is located inside the cushion side plate 215.
Therefore, all the components of the seat electric adjusting mechanism can be arranged in the cushion side plate 215 as much as possible, the occupation of the transverse space of the seat electric adjusting mechanism can be reduced, the whole space optimization of the vehicle is facilitated, the whole vehicle performance of the vehicle is improved, and the attractiveness of the interior of the vehicle is improved.
In the above embodiments, to facilitate the installation of the backrest angle rotating mechanism 108, the seat electric adjusting mechanism may further include an upper connecting plate 106 and a lower connecting plate 109, where the upper connecting plate 106 is fixedly connected to the backrest bracket 101, and the upper connecting plate 106 and the lower connecting plate may be connected by a screw and a nut, which may be other manners. The lower connecting plate 109 is fixedly connected with the cushion side plate 215, and the cushion side plate 215 and the lower connecting plate are connected through screws and nuts or in a welding mode.
The back support 101 is connected to the cushion side plate 215 through the upper connecting plate 106 and the lower connecting plate 109, the fixed portion of the back angle rotation mechanism 108 is fixed to the lower connecting plate 109, and the rotating portion of the back recliner core member 108 is fixedly connected to the upper connecting plate 106.
The lateral direction herein refers to the vehicle width direction.
On the basis of the seat electric adjustment mechanism, the invention also provides a seat assembly, which comprises a seat and a slide rail assembly 300, wherein the slide rail assembly 300 is structured as above, and the seat assembly can comprise a fixed slide rail 302 and a sliding rail 301, the fixed slide rail 302 is used for being fixed with a vehicle floor, the sliding rail 301 can longitudinally slide relative to the fixed slide rail 302, and the seat electric adjustment mechanism of any embodiment also comprises the seat electric adjustment mechanism, and a cushion motor 205 of the seat electric adjustment mechanism is supported on the sliding rail 301 of the slide rail assembly 300.
For additional structure of the seat assembly, reference is made to the prior art and will not be described in detail herein.
The seat assembly provided by the invention is provided with the seat electric adjusting mechanism, so the seat assembly also has the technical effects of the seat electric adjusting mechanism.
The above description is provided for a seat assembly and seat power adjustment mechanism in accordance with the present invention. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
1. An electric seat adjusting mechanism is characterized by comprising a seat cushion driving mechanism and a backrest driving mechanism;
the seat cushion driving mechanism comprises at least one seat cushion transmission unit and a seat cushion motor (205) supported on a sliding rail of a vehicle sliding rail assembly, the seat cushion transmission unit comprises a seat cushion angle rotating mechanism (206), a front connecting bracket (207), a seat cushion side plate (215) and a rear connecting bracket (203), the front end part of the front connecting bracket (207) is connected with a rotating part of the seat cushion angle rotating mechanism (206), the rear end part of the front connecting bracket is hinged with the seat cushion side plate (215), one end of the rear connecting bracket (203) is hinged with the seat cushion side plate (215), and the other end of the rear connecting bracket is matched and hinged with the sliding rail; an output shaft of the cushion motor (205) is connected with the cushion angle rotating mechanism (206) so as to drive a rotating part of the cushion angle rotating mechanism (206) to rotate in a reciprocating manner; the backrest driving mechanism comprises a backrest motor (103) and at least one backrest transmission unit, wherein the backrest motor (103) is supported on a backrest bracket (101), the backrest transmission unit comprises a backrest angle rotating mechanism (108), and the backrest motor (103) drives the backrest angle rotating mechanism (108) to reciprocate so as to enable the backrest bracket (101) to reciprocate in a folding position and an unfolding position; the front connecting bracket (207), the cushion side plate (215), the rear connecting bracket (203) and the sliding rail form a four-bar mechanism, wherein a fixed base of the front connecting bracket (207) is higher than a fixed base of the rear connecting bracket (203), and the length of the front connecting bracket (207) is shorter than that of the rear connecting bracket (203).
2. The seat electric adjustment mechanism according to claim 1, further comprising a fixing bracket (212) fixedly connected to the slide rail, the fixing bracket (212) comprising a vertical portion and a horizontal portion, the fixing portion of the seat cushion angle rotation mechanism (206) being fixedly mounted to the vertical portion, and the seat cushion angle rotation mechanism (206) being located outside the vertical portion, the horizontal portion being provided with a mounting structure fixedly fitted to the slide rail.
3. The seat electric adjustment mechanism according to claim 2, wherein the number of the cushion transmission units is two, and the cushion transmission units are respectively arranged on both sides of the seat; the seat electric adjusting mechanism further comprises a rear lifting pipe (201) which is transversely arranged, two ends of the rear lifting pipe (201) are respectively connected with cushion side plates (215) of the cushion transmission units in a rotating mode, and rear connecting supports (203) in the cushion transmission units are respectively fixed at two end portions of the rear lifting pipe (201).
4. A seat electric adjustment mechanism as claimed in claim 3, characterized in that both the rear link bracket (203) and the front link bracket (207) of the same seat cushion transmission unit have a predetermined distance in the lateral direction, the front link bracket (207) being located outside the rear link bracket (203) and inside the seat cushion side plate (215).
5. A seat electric adjusting mechanism as claimed in claim 3, further comprising a front lifting pipe (204), wherein both ends of the front lifting pipe (204) are hinged to the same point with the front connecting bracket (207) and the cushion side plate (215) corresponding to both sides respectively; or,
the seat cushion is characterized by further comprising a rear transverse tube (202), wherein two ends of the rear transverse tube (202) are respectively and directly connected with the seat cushion side plates (215) on two sides.
6. A seat electric power adjustment mechanism as claimed in claim 3, characterized in that the number of the cushion motors (205) is one, and the cushion motors (205) simultaneously drive the cushion angle rotation mechanisms (206) on both sides to rotate through their output shafts.
7. The seat electric adjustment mechanism according to any one of claims 1 to 6, characterized in that the number of the backrest transmission units is two, and the backrest motor (103) is one, and the backrest motor (103) simultaneously drives the backrest angle rotation mechanisms (108) in the backrest transmission units on both sides to rotate.
8. The seat electric adjustment mechanism according to any one of claims 1 to 6, characterized in that the backrest motor (103) is mounted to the inside of the backrest bracket (101) by a bracket; or/and the combination of the two,
the cushion motor (205) is located inside the cushion side plate (215).
9. A seat assembly comprising a seat and a slide rail assembly, the slide rail assembly comprising a fixed slide way and a slide rail, the fixed slide way being adapted to be fixed to a vehicle floor, the slide rail being longitudinally slidable relative to the fixed slide way, the seat assembly being characterized by further comprising a seat electric adjustment mechanism according to any one of claims 1 to 8, a seat cushion motor (205) of the seat electric adjustment mechanism being supported on the slide rail of the slide rail assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN106573553A (en) * | 2014-05-15 | 2017-04-19 | 安道拓卢森堡控股有限公司 | Vehicle seat, in particular motor vehicle seat |
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| CN109421556A (en) * | 2017-08-23 | 2019-03-05 | 马自达汽车株式会社 | Vehicle seat used and its design method |
| CN209938377U (en) * | 2019-06-12 | 2020-01-14 | 湖北航嘉麦格纳座椅系统有限公司 | Seat assembly and seat electric adjusting mechanism |
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| JP6711140B2 (en) * | 2016-05-27 | 2020-06-17 | トヨタ紡織株式会社 | Seat adjustment device and vehicle seat |
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| US4930841A (en) * | 1988-05-18 | 1990-06-05 | Keiper Recaro Gmbh & Co. | Back-rest adjuster with a free pivot device |
| JP2008049846A (en) * | 2006-08-24 | 2008-03-06 | Mazda Motor Corp | Automotive seat device |
| EP2363316A1 (en) * | 2010-02-24 | 2011-09-07 | Centre d'etude et de recherche pour l'automobile | Vehicle seat |
| CN106573553A (en) * | 2014-05-15 | 2017-04-19 | 安道拓卢森堡控股有限公司 | Vehicle seat, in particular motor vehicle seat |
| CN108349411A (en) * | 2015-07-20 | 2018-07-31 | 安道拓卢森堡控股有限公司 | Seat, especially automobile seat |
| CN107433887A (en) * | 2016-05-25 | 2017-12-05 | 李尔公司 | Downward bullet, the backrest drive system pushed up |
| CN206012395U (en) * | 2016-07-27 | 2017-03-15 | 上海延锋江森座椅有限公司 | A kind of easily entrance automobile chair frame |
| CN109421556A (en) * | 2017-08-23 | 2019-03-05 | 马自达汽车株式会社 | Vehicle seat used and its design method |
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|---|---|
| CN110103784A (en) | 2019-08-09 |
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