CN113352960A - Automatic zero gravity seat structure and car of adjusting - Google Patents

Automatic zero gravity seat structure and car of adjusting Download PDF

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Publication number
CN113352960A
CN113352960A CN202110643449.XA CN202110643449A CN113352960A CN 113352960 A CN113352960 A CN 113352960A CN 202110643449 A CN202110643449 A CN 202110643449A CN 113352960 A CN113352960 A CN 113352960A
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CN
China
Prior art keywords
cushion
framework
leg support
backrest
motor
Prior art date
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Granted
Application number
CN202110643449.XA
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Chinese (zh)
Other versions
CN113352960B (en
Inventor
汤鹏飞
董士琦
杨丹
李光
刘红芳
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Dongfeng Motor Corp
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Dongfeng Motor Corp
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Publication date
Application filed by Dongfeng Motor Corp filed Critical Dongfeng Motor Corp
Priority to CN202110643449.XA priority Critical patent/CN113352960B/en
Publication of CN113352960A publication Critical patent/CN113352960A/en
Application granted granted Critical
Publication of CN113352960B publication Critical patent/CN113352960B/en
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Anticipated expiration legal-status Critical

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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
    • B60N2/1864—Gear wheel driven mechanism
    • 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
    • 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
    • B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
    • 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
    • B60N2/2213—Gear wheel driven mechanism
    • 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
    • B60N2/62—Thigh-rests
    • 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
    • B60N2/64—Back-rests or cushions
    • 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 application relates to an automatically regulated's zero gravity seat structure and car belongs to car seat technical field, and zero gravity seat structure includes: the seat comprises a seat framework, an electric slide rail assembly, a backrest framework and a leg support framework, wherein the electric slide rail assembly is positioned at the bottom of the seat framework and drives the seat framework to move forwards and backwards; the adjusting mechanism comprises a cushion inclination angle adjusting mechanism, a backrest inclination angle adjusting mechanism and a leg support inclination angle adjusting mechanism, wherein the cushion inclination angle adjusting mechanism is positioned between the cushion framework and the electric slide rail assembly and used for adjusting the inclination angle of the cushion framework, the backrest inclination angle adjusting mechanism is positioned between the cushion framework and the backrest framework and used for adjusting the inclination angle of the backrest framework, and the leg support inclination angle adjusting mechanism is positioned between the cushion framework and the leg support framework and used for adjusting the inclination angle of the leg support framework. The zero-gravity seat structure can meet various use postures of sitting postures, leisure postures, zero-gravity lying postures and the like of passengers, and ensures that the passengers can sit on a vehicle in the most comfortable and most appropriate postures.

Description

Automatic zero gravity seat structure and car of adjusting
Technical Field
The application relates to the technical field of automobile seats, in particular to an automatic adjusting zero-gravity seat structure and an automobile.
Background
With the development of automobile technology and the popularization of users, automobiles play an increasingly important role in daily life of people, which also promotes higher and higher requirements on various performances of automobiles, particularly when the users need to stay on the automobiles for a long time, the automobiles need to be not only vehicles, but also meet other requirements of the users in the process of travelling, such as rest, sleep and even entertainment.
Passenger car seat can only realize the space demand of taking of different posture personnel in the existing market, can not satisfy different posture passenger's riding comfort demand, and how to bring more comfortable riding experience for the passenger is the important direction of car seat development. The existing seat product still brings uncomfortable feeling to the passengers after the passengers sit for a long time, and the passengers cannot be fully rested and relaxed.
Disclosure of Invention
The embodiment of the application provides an automatically regulated zero gravity seat structure and car to solve the problem that car seat can not satisfy different posture passenger's riding comfort demand among the correlation technique.
A first aspect of embodiments of the present application provides an automatically adjusting zero-gravity seat structure, which includes:
the seat comprises a seat framework, an electric slide rail assembly, a backrest framework and a leg support framework, wherein the electric slide rail assembly is positioned at the bottom of the seat framework and drives the seat framework to move back and forth;
adjustment mechanism, it is including being located in order to adjust between cushion skeleton and the electronic slide rail assembly the cushion inclination adjustment mechanism at cushion skeleton inclination is located in order to adjust between cushion skeleton and the back skeleton the back inclination adjustment mechanism at back skeleton inclination is located between cushion skeleton and the leg support skeleton in order to adjust the leg at leg support skeleton inclination adjustment mechanism.
In some embodiments: the cushion framework comprises two cushion side plates which are symmetrically arranged at left and right intervals, a front cushion cross beam and a rear cushion cross beam which are connected into a whole by the cushion side plates, and basins which are fixed at the front ends of the cushion side plates.
In some embodiments: the cushion inclination angle adjusting mechanism comprises a front foot rest fixed at the front end of the electric slide rail assembly and a rear foot rest fixed at the rear end of the electric slide rail assembly, and the upper end of the rear foot rest is rotatably connected with the cushion side plate through a rear cushion cross beam;
a first motor and a first gear box are fixedly arranged on the side plate of the cushion, the first motor and the first gear box are connected through a first screw rod, and a first bevel gear in transmission connection with the first screw rod is arranged in the first gear box;
a second bevel gear in meshed connection with the first bevel gear is further arranged in the first gear box, a straight gear coaxially and fixedly connected with the second bevel gear is arranged outside the first gear box, and teeth in meshed connection with the straight gear are arranged at the upper end of the rear foot rest;
the first screw rod is in threaded connection with a first screw rod nut, a push rod is connected between the first screw rod nut and the front foot frame, one end of the push rod is rotatably connected with the first screw rod nut, and the other end of the push rod is rotatably connected with the front foot frame.
In some embodiments: the leg support framework comprises a leg support bracket, an upper connecting plate and a lower connecting plate, wherein the leg support bracket is rotatably connected to the sitting basin;
the bidet comprises a top plate and side plates positioned on two sides of the top plate, wherein the side plates on two sides of the top plate are respectively provided with an upper hinge shaft rotatably connected with one end of an upper connecting plate and a lower hinge shaft rotatably connected with one end of a lower connecting plate, and the length of the lower connecting plate is greater than that of the upper connecting plate;
the leg support bracket comprises a vertical plate and folded edges positioned on two sides of the vertical plate, wherein the folded edges on two sides of the vertical plate are respectively provided with an upper through hole rotatably connected with the other end of the upper connecting plate and a lower shaft pin rotatably connected with the other end of the lower connecting plate.
In some embodiments: the leg support inclination angle adjusting mechanism comprises a leg support cross beam positioned between the two folded edges, two ends of the leg support cross beam are respectively and rotatably connected with the upper through holes of the two folded edges, and a second motor is fixedly arranged on the leg support cross beam;
and a second lead screw nut support is arranged on the front cushion cross beam, a second lead screw nut is rotatably connected to the second lead screw nut support, and the second motor is connected with the second lead screw nut through a second lead screw.
In some embodiments: a second gear box is also fixedly arranged on the leg support cross beam, the second motor is connected with a second screw rod through a second gear box, and a third bevel gear and a fourth bevel gear which are meshed and connected with each other are arranged in the second gear box;
the axis of the third bevel gear is parallel to the axis of the leg support beam, the third bevel gear is in transmission connection with the second motor, and the fourth bevel gear is fixedly connected with one end of the second screw rod.
In some embodiments: the backrest framework comprises two backrest side plates which are symmetrically arranged at left and right intervals, and an upper transverse pipe and a lower connecting plate which connect the two backrest side plates into a whole;
the backrest inclination angle adjusting mechanism comprises angle adjusters connected between the rear ends of the two cushion side plates and the lower ends of the two backrest side plates, and a synchronizing rod connected between the two angle adjusters, wherein a third gear box and a third motor which drive the synchronizing rod to rotate are arranged on the backrest side plates.
In some embodiments: the cushion foaming and cushion pressure detector is positioned on the cushion framework, the backrest foaming and backrest pressure detector is positioned on the backrest framework, the leg support foaming and leg support pressure detector is positioned on the leg support framework, and the controller is connected with the cushion pressure detector, the backrest pressure detector and the leg support pressure detector;
the controller receives signals of the cushion pressure detector, the backrest pressure detector and the leg support pressure detector so as to adjust the electric slide rail assembly, the cushion inclination angle adjusting mechanism, the backrest inclination angle adjusting mechanism and the leg support inclination angle adjusting mechanism to reach a zero gravity posture.
In some embodiments: the electric slide rail assembly comprises two groups of slide rails which are arranged in bilateral symmetry, each slide rail comprises a lower rail and an upper slide block positioned in the lower rail, the upper slide blocks linearly move in the lower rail along the length direction of the lower rail, and the lower rail is provided with a linear rack;
and a motor support is connected between the two groups of sliding rails, one end of the motor support is fixedly connected with one upper sliding block, the other end of the motor support is fixedly connected with the other upper sliding block, a fourth motor is arranged on the motor support, and the fourth motor is meshed and connected with the linear rack through a gear.
A second aspect of embodiments of the present application provides an automobile comprising a zero-gravity seat structure provided with any of the embodiments described above.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides an automatic adjusting zero-gravity seat structure and an automobile, and the zero-gravity seat structure is provided with a seat framework, wherein the seat framework comprises a cushion framework, an electric slide rail assembly, a backrest framework and a leg support framework, the electric slide rail assembly is positioned at the bottom of the cushion framework and drives the cushion framework to move back and forth, the backrest framework is positioned at the rear end of the cushion framework and is rotationally connected with the cushion framework, and the leg support framework is positioned at the front end of the cushion framework and is rotationally connected with the cushion framework; the adjusting mechanism comprises a cushion inclination angle adjusting mechanism, a backrest inclination angle adjusting mechanism and a leg support inclination angle adjusting mechanism, wherein the cushion inclination angle adjusting mechanism is positioned between the cushion framework and the electric slide rail assembly and used for adjusting the inclination angle of the cushion framework, the backrest inclination angle adjusting mechanism is positioned between the cushion framework and the backrest framework and used for adjusting the inclination angle of the backrest framework, and the leg support inclination angle adjusting mechanism is positioned between the cushion framework and the leg support framework and used for adjusting the inclination angle of the leg support framework.
Therefore, the cushion skeleton that zero gravity seat structure of this application set up, the back skeleton, the leg holds in the palm the skeleton to passenger's buttock, back and shank are unfolded and are supported, and through being located the cushion inclination adjustment mechanism in order to adjust the cushion skeleton inclination between cushion skeleton and the electronic slide rail assembly, be located the back inclination adjustment mechanism in order to adjust the back skeleton inclination between cushion skeleton and the back skeleton, and be located between cushion skeleton and the leg and hold in the palm inclination adjustment mechanism in order to adjust leg and hold in the palm skeleton inclination and satisfy passenger's position of sitting, leisure appearance and zero gravity lie a plurality of use gesture such as appearance, guarantee that the passenger can sit on the car with most comfortable, most suitable gesture. In the zero gravity lying posture mode, the whole body of the passenger is most relaxed, the load generated by the human body is minimum, and the fatigue can not be generated even if the passenger keeps the posture for a long time. The chair can comprehensively support the thoracic cavity, the pelvis, the lumbar vertebra and the legs, reduce the burden of muscles and the spine and improve the riding comfort of passengers to the maximum extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a zero-gravity seat configuration according to an embodiment of the present application;
FIG. 2 is an exploded view of the zero-gravity seat configuration of the embodiment of the present application;
FIG. 3 is a left side view of the structure of the seat frame in a zero-gravity position in accordance with an embodiment of the present application;
FIG. 4 is a perspective view of the seat frame in a zero-gravity position in accordance with an embodiment of the present application;
FIG. 5 is a top view of a seat frame construction according to an embodiment of the present application;
FIG. 6 is a front view of a seat frame construction according to an embodiment of the present application;
FIG. 7 is a structural left side view of a seat frame of an embodiment of the present application;
FIG. 8 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 9 is an enlarged view of a portion of FIG. 5 at A;
FIG. 10 is an exploded view of the structure of a seat frame according to an embodiment of the present application;
FIG. 11 is a schematic structural diagram of a rear foot stool according to an embodiment of the present application;
FIG. 12 is a schematic structural view of a bowl according to an embodiment of the present disclosure;
fig. 13 is a schematic structural view of a leg rest bracket according to an embodiment of the present application.
Reference numerals:
100. a seat frame; 110. an electric slide rail assembly; 111. a lower rail; 112. an upper slide block; 113. a motor bracket; 114. a fourth motor;
120. a cushion frame; 121. a cushion side plate; 122. a rear cushion cross beam; 123. a front cushion cross beam; 124. sitting in a basin; 124a, a top plate; 124b, side plates; 124c, an upper hinge shaft; 124d, a lower hinge shaft; 125. a cushion spring; 126. a spacing pin; 127. a fixing plate;
130. a backrest frame; 131. a back side plate; 132. an upper horizontal pipe; 133. a lower connecting plate; 134. a back spring;
140. a leg rest framework; 141. a leg rest support; 141a, a riser; 141b, folding; 141c, an upper through hole; 141d, a lower shaft pin; 142. an upper connecting plate; 143. a lower connecting plate;
150. a cushion inclination angle adjusting mechanism; 151. a rear foot rest; 151a, teeth; 151b, a circular hole; 151c, a long circular arc-shaped hole; 152. a front foot rest; 153. a first motor; 154. a first lead screw; 155. a first gear case; 155a, a first bevel gear; 155b, a second bevel gear; 155c, a spur gear; 156. a first lead screw nut; 157. a top rod; 158. a fourth gear case; 158a, a drive gear; 158b, a driven gear;
160. a leg rest inclination angle adjusting mechanism; 161. a leg support beam; 162. a second motor; 163. a second gear box; 163a, a third bevel gear; 163b, a fourth bevel gear; 164. a second screw nut bracket; 165. a second feed screw nut; 166. a second lead screw;
170. a backrest inclination angle adjusting mechanism; 171. an angle adjuster; 172. a third gear case; 173. a third motor; 174. a synchronization lever;
201. foaming the cushion; 202. foaming the backrest; 203. foaming the leg support; 204. a cushion pressure detector; 205. a back pressure detector; 206. a leg rest pressure detector.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides an automatic zero gravity seat structure and car of adjusting, and it can solve among the correlation technique car seat can not satisfy the problem of different posture passenger's riding comfort demand.
Referring to fig. 3 and 4, a first aspect of an embodiment of the present application provides an automatically adjusting zero-gravity seat structure, including:
the seat frame 100, this seat frame 100 includes cushion frame 120, is located the electronic slide rail assembly 110 of cushion frame 120 bottom drive cushion frame 120 back-and-forth movement, is located the rear end of cushion frame 120 and rotates the back skeleton 130 of being connected with cushion frame 120, is located the front end of cushion frame 120 and rotates the leg that is connected with cushion frame 120 and hold in the palm skeleton 140.
And the adjusting mechanism comprises a cushion inclination angle adjusting mechanism 150 which is positioned between the cushion framework 120 and the electric slide rail assembly 110 and used for adjusting the inclination angle of the cushion framework 120, a backrest inclination angle adjusting mechanism 170 which is positioned between the cushion framework 120 and the backrest framework 130 and used for adjusting the inclination angle of the backrest framework 130, and a leg support inclination angle adjusting mechanism 160 which is positioned between the cushion framework 120 and the leg support framework 140 and used for adjusting the inclination angle of the leg support framework 140.
The zero-gravity seat structure of the embodiment of the application comprises a seat cushion framework 120, a backrest framework 130 and a leg support framework 140, wherein the seat cushion framework 120, the backrest framework 130 and the leg support framework 140 are used for unfolding and supporting the hip, the back and the leg of a passenger, the seat cushion inclination angle adjusting mechanism 150 is arranged between the seat cushion framework 120 and the electric slide rail assembly 110 and used for adjusting the inclination angle of the seat cushion framework 120, the backrest inclination angle adjusting mechanism 170 is arranged between the seat cushion framework 120 and the backrest framework 130 and used for adjusting the inclination angle of the backrest framework 130, and the leg support inclination angle adjusting mechanism 160 is arranged between the seat cushion framework 120 and the leg support framework 140 and used for adjusting the inclination angle of the leg support framework 140 and used for satisfying the sitting posture, the leisure posture, the zero-gravity lying posture and other use postures, so that. In the zero gravity lying posture mode, the whole body of the passenger is most relaxed, the load generated by the human body is minimum, and the fatigue can not be generated even if the passenger keeps the posture for a long time. The chair can comprehensively support the thoracic cavity, the pelvis, the lumbar vertebra and the legs, reduce the burden of muscles and the spine and improve the riding comfort of passengers to the maximum extent.
In some alternative embodiments: referring to fig. 5 and 10, the embodiment of the present application provides an automatically adjusting zero-gravity seat structure, a seat cushion frame 120 of the zero-gravity seat structure includes two seat cushion side plates 121 symmetrically disposed at left and right intervals, a front seat cushion cross beam 123 and a rear seat cushion cross beam 122 connecting the two seat cushion side plates 121 into a whole, and a seat tub 124 fixed at front ends of the two seat cushion side plates 121.
The cushion curb plate 121 that two left and right sides interval symmetry set up is the integrative stamping forming structure of panel beating, and in order to guarantee the structural strength of cushion curb plate 121, the edge of cushion curb plate 121 is equipped with the turn-ups. The front cushion cross beam 123 and the rear cushion cross beam 122 are both of circular steel tube structures, and two ends of the front cushion cross beam 123 and the rear cushion cross beam 122 are respectively welded with the two cushion side plates 121.
Be equipped with many cushion springs 125 between preceding cushion crossbeam 123 and back cushion crossbeam 122, many cushion springs 125 are parallel to each other and the interval sets up along the axis direction of preceding cushion crossbeam 123 and back cushion crossbeam 122, and cushion spring 125 is the S-shaped structure that the spring wire preparation formed, is equipped with the couple of connecting preceding cushion crossbeam 123 and back cushion crossbeam 122 respectively at the both ends of cushion spring 125.
In some alternative embodiments: referring to fig. 7 to 11, the present embodiment provides an automatically adjusting zero-gravity seat structure, in which a seat cushion tilt angle adjusting mechanism 150 of the zero-gravity seat structure includes a front foot rest 152 fixed at a front end of an electric slide rail assembly 110 and a rear foot rest 151 fixed at a rear end of the electric slide rail assembly 110, and an upper end of the rear foot rest 151 is rotatably connected to a seat cushion side plate 121 through a rear seat cushion cross member 122.
The front foot rest 152 and the rear foot rest 151 are both of L-shaped steel plate structures, the front foot rest 152 and the rear foot rest 151 are both provided with two front foot rests 152, the two front foot rests 152 are respectively positioned under the front ends of the two cushion side plates 121, and the two rear foot rests 151 are respectively positioned on the inner sides of the rear ends of the two cushion side plates 121 and are parallel to the cushion side plates 121. Round holes 151b penetrating through the rear cushion cross beam 122 are formed in the two rear foot frames 151, and the cushion framework 120 makes up-and-down pitching and overturning motion by taking the rear cushion cross beam 122 as a rotating shaft.
A first motor 153, a fourth gear box 158 and a first gear box 155 are fixedly arranged on the two cushion side plates 121, an output shaft of the first motor 153 is in transmission connection with the fourth gear box 158, the fourth gear box 158 is connected with the first gear box 155 through a first screw 154, and a first bevel gear 155a in transmission connection with the first screw 154 is arranged in the first gear box 155.
The first gear box 155 is further provided therein with a second bevel gear 155b in meshing engagement with the first bevel gear 155a, and an axis of the first bevel gear 155a is perpendicular to an axis of the second bevel gear 155 b. A straight gear 155c coaxially and fixedly connected with the second bevel gear 155b is arranged outside the first gear box 155, and teeth 151a meshed with the straight gear 155c are arranged at the upper end of the rear foot frame 151.
A driving gear 158a and a driven gear 158b which are meshed with each other are arranged in the fourth gear box 158, the driving gear 158a is in synchronous transmission connection with an output shaft of the first motor 153, and the driven gear 158b is in synchronous transmission connection with the first lead screw 154. The driving gear 158a has a smaller diameter than the driven gear 158b to achieve a set rotation speed ratio between the first motor 153 and the first lead screw 154.
A first lead screw nut 156 is threadedly coupled to the first lead screw 154, and the first lead screw 154 converts the rotational motion of the first lead screw 154 into a linear motion. A top rod 157 is connected between the first screw nut 156 and the front foot frame 152, one end of the top rod 157 is rotatably connected with the first screw nut 156, and the other end of the top rod 157 is rotatably connected with the front foot frame 152.
The drive train of the cushion tilt adjustment mechanism 150 is: the first motor 153 receives the start signal and then drives the driving gear 158a of the fourth gear box 158 to rotate, the driving gear 158a drives the driven gear 158b to rotate, the driven gear 158b drives the first screw rod 154 to rotate, the first screw rod 154 drives the first bevel gear 155a of the first gear box 155 to rotate, the first bevel gear 155a drives the second bevel gear 155b to rotate, the second bevel gear 155b drives the straight gear 155c to rotate, and the straight gear 155c is engaged with the teeth 151a of the rear foot stand 151 to drive the cushion frame 120 to flip upward by taking the rear cushion beam 122 as a rotating shaft.
Moreover, the first lead screw 154 further drives the first lead screw nut 156 to linearly move on the first lead screw 154 in a direction close to the first motor 153, and the first lead screw nut 156 drives the ejector rod 157 to rotate upward to gradually increase the angle between the ejector rod 157 and the first lead screw 154, so as to drive the seat cushion frame 120 and the rear seat cushion beam 122 to turn upward as a rotating shaft. The ejector rod 157 not only can drive the cushion frame 120 and then the cushion beam 122 upwards overturns for the rotating shaft, but also provides positioning support for the cushion frame 120 after the cushion frame 120 overturns to a set angle, and the structural stability of the cushion frame 120 is ensured.
In some alternative embodiments: referring to fig. 7 to 11, in the zero-gravity seat structure provided in the embodiment of the present application, two cushion side plates 121 of the zero-gravity seat structure are both provided with a limit pin 126, one end of the limit pin 126 is welded to the inner sides of the cushion side plates 121, and the axis of the limit pin 126 is parallel to the axis of the rear cushion cross beam 122. Two rear foot rests 151 are provided with long circular arc-shaped holes 151c penetrating through the limiting pins 126, and the circle centers of the long circular arc-shaped holes 151c are superposed with the circle centers of the round holes 151b of the rear foot rests 151. The stopper pin 126 moves in the long circular arc hole 151c of the rear foot frame 151 to limit the pitch angle of the seat cushion frame 120.
The two cushion side plates 121 are respectively provided with a fixing plate 127, the middle part of the fixing plate 127 is provided with a through hole which is rotatably connected with the end part of the spur gear 155c, one end of the fixing plate 127 is fixedly connected with one end of the limiting pin 126 far away from the cushion side plates 121, and the other end of the fixing plate 127 is fixedly connected with the cushion side plates 121. The fixing plate 127 provides a positioning for the spur gear 155c, and ensures that the spur gear 155c is reliably engaged with the teeth 151a of the rear foot frame 151.
In some alternative embodiments: referring to fig. 6 to 8, 10, 12 and 13, an embodiment of the present application provides an automatically adjusting zero-gravity seat structure, in which a leg rest framework 140 includes a leg rest bracket 141 and upper and lower link plates 142 and 143 rotatably connecting the leg rest bracket 141 to a bowl 124. The upper connecting plate 142 and the lower connecting plate 143 are respectively provided in two numbers, and the two upper connecting plates 142 and the lower connecting plate 143 are respectively located at the left and right sides of the leg rest 141.
The bowl 124 includes a top plate 124a and side plates 124b disposed on both sides of the top plate 124a, and the top plate 124a and the side plates 124b are perpendicular to each other to form an "Contraband" structure. The side plates 124b on both sides of the top plate 124a are respectively provided with an upper hinge shaft 124c rotatably connected to one end of the upper link plate 142 and a lower hinge shaft 124d rotatably connected to one end of the lower link plate 143, and the length of the lower link plate 143 is greater than that of the upper link plate 142.
The leg support bracket 141 comprises a riser 141a and folded edges 141b positioned on both sides of the riser 141a, and the riser 141a and the folded edges 141b are perpendicular to each other to form an Contraband-shaped structure. The folded edges 141b on both sides of the vertical plate 141a are respectively provided with an upper through hole 141c rotatably connected with the other end of the upper connecting plate 142, and a lower shaft pin 141d rotatably connected with the other end of the lower connecting plate 143.
The leg support bracket 141 and the bowl 124 are rotatably connected through an upper connecting plate 142 and a lower connecting plate 143 to form a spatial four-bar linkage. Since the lower link plate 143 has a length greater than that of the upper link plate 142, the lower edge of the leg-rest bracket 141 swings more than the upper edge of the leg-rest bracket 141 during the pivotal movement of the leg-rest bracket 141 with respect to the bowl 124, so that the leg-rest bracket 141 is deployed from the bowl 124 and swings obliquely upward to fit and support the lower leg of the occupant.
In some alternative embodiments: referring to fig. 6 to 8 and 10, the present embodiment provides an automatically adjusting zero-gravity seat structure, a leg rest tilt angle adjusting mechanism 160 of the zero-gravity seat structure includes a leg rest cross member 161 located between two folded edges 141b, two ends of the leg rest cross member 161 are respectively rotatably connected with upper through holes 141c of the two folded edges 141b, and a second motor 162 is fixedly disposed on the leg rest cross member 161.
The front cushion beam 123 is provided with a second lead screw nut bracket 164, the second lead screw nut bracket 164 is rotatably connected with a second lead screw nut 165, and the second motor 162 is connected with the second lead screw nut 165 through a second lead screw 166.
A second gear box 163 is further fixedly provided on the leg rest cross beam 161, the second motor 162 is connected to a second screw 166 through the second gear box 163, and a third bevel gear 163a and a fourth bevel gear 163b which are engaged with each other are provided in the second gear box 163. The axis of the third bevel gear 163a and the axis of the fourth bevel gear 163b are perpendicular to each other, and the axis of the second motor 162 is collinear with the axis of the third bevel gear 163 a.
The axis of the third bevel gear 163a is parallel to the axis of the leg rest beam 161, the third bevel gear 163a is in transmission connection with the second motor 162, and the fourth bevel gear 163b is fixedly connected with one end of the second screw rod 166.
The drive chain of the leg rest tilt angle adjustment mechanism 160 is: after receiving the start signal, the second motor 162 drives the third bevel gear 163a of the second gear box 163 to rotate, the third bevel gear 163a drives the fourth bevel gear 163b to rotate, the fourth bevel gear 163b drives the second lead screw 166 to rotate, the second lead screw 166 is in threaded connection with the second lead screw nut 165 to convert the rotary motion of the second lead screw 166 into the linear motion of the second lead screw 166, the second lead screw 166 pushes the leg rest cross beam 161 in a direction away from the front cushion cross beam 123, the leg rest cross beam 161 pushes the leg rest bracket 141, and the leg rest bracket 141 rotates relative to the seat pan 124 under the connecting action of the upper connecting plate 142 and the lower connecting plate 143, so that the leg rest bracket 141 is unfolded from the seat pan 124 and swings obliquely upwards.
In some alternative embodiments: referring to fig. 6 to 8 and 10, the embodiment of the present application provides an automatically adjusting zero-gravity seat structure, in which a backrest frame 130 includes two backrest side plates 131 symmetrically disposed at left and right intervals, and an upper cross pipe 132 and a lower connecting plate 133 connecting the two backrest side plates 131 into a whole. A plurality of backrest springs 134 are further arranged between the two backrest side plates 131, the backrest springs 134 are arranged in parallel and at intervals along the length direction of the backrest side plates 131, and the backrest springs 134 are S-shaped structures made of spring steel wires.
The two backrest side plates 131 are both of a metal plate integrated punch forming structure, and flanges are arranged on the edges of the backrest side plates 131 in order to ensure the structural strength of the backrest side plates 131. The upper transverse tube 132 is a U-shaped structure formed by bending a round steel tube, and two ends of the upper transverse tube 132 are respectively welded with the top ends of the two backrest side plates 131. The lower connecting plate 133 is a rectangular steel plate structure, and two ends of the lower connecting plate 133 are respectively welded to the lower ends of the two backrest side plates 131.
The backrest tilt angle adjusting mechanism 170 includes angle adjusters 171 connected between the rear ends of the two cushion side plates 121 and the lower ends of the two backrest side plates 131, and a synchronizing rod 174 connected between the two angle adjusters 171, and the backrest side plates 131 are provided with a third gear box 172 and a third motor 173 that drive the synchronizing rod 174 to rotate.
In some alternative embodiments: referring to fig. 1 and 2, the embodiment of the present application provides an automatically adjusting zero-gravity seat structure, which further includes a cushion foam 201 and a cushion pressure detector 204 on the cushion frame 120, a backrest foam 202 and a backrest pressure detector 205 on the backrest frame 130, a leg rest foam 203 and a leg rest pressure detector 206 on the leg rest frame 140, and a controller (not shown), wherein the cushion pressure detector 204, the backrest pressure detector 205, and the leg rest pressure detector 206 are electrically connected to the controller.
The cushion pressure detector 204, the back pressure detector 205 and the leg rest pressure detector 206 are used for respectively collecting cushion pressure, back pressure and leg rest pressure signals. The controller receives pressure signals from the seat cushion pressure sensor 204, the back pressure sensor 205, and the leg rest pressure sensor 206 to adjust the motorized glide track assembly 110, the seat cushion tilt adjustment mechanism 150, the back tilt adjustment mechanism 170, and the leg rest tilt adjustment mechanism 160 to a zero-gravity position.
When the passenger starts the zero gravity automatic adjustment mode, the cushion pressure detector 204, the backrest pressure detector 205 and the leg support pressure detector 206 acquire pressure distribution data in real time; firstly, the controller controls the electric slide rail assembly 110, the leg rest inclination angle adjusting mechanism 160, the backrest inclination angle adjusting mechanism 170 and the cushion inclination angle adjusting mechanism 150 to move the leg rest framework 140, the backrest framework 130 and the cushion framework 120 to the set zero-gravity initial positions.
Then, calculation is carried out according to the collected cushion pressure, backrest pressure and leg support pressure signals, a posture adjustment scheme is given, and the controller is further driven to control the electric sliding rail assembly 110, the leg support inclination angle adjusting mechanism 160, the backrest inclination angle adjusting mechanism 170 and the cushion inclination angle adjusting mechanism 150 to enable the leg support framework 140, the backrest framework 130 and the cushion framework 120 to operate to reasonable positions, so that zero-gravity postures of passengers of different body types are met.
The electric slide rail assembly 110, the leg rest inclination angle adjusting mechanism 160, the backrest inclination angle adjusting mechanism 170 and the cushion inclination angle adjusting mechanism 150 are independent and do not interfere with each other, and can be adjusted to any combination position according to the requirements of different passengers, and can also be adjusted in any adjusting sequence. The motors of the electric slide rail assembly 110, the leg rest inclination angle adjusting mechanism 160, the backrest inclination angle adjusting mechanism 170 and the cushion inclination angle adjusting mechanism 150 can realize forward and reverse rotation, so that passengers can adjust sitting postures. The controller can memorize the adjustment amounts of the electric slide rail assembly 110, the leg rest inclination angle adjusting mechanism 160, the backrest inclination angle adjusting mechanism 170 and the cushion inclination angle adjusting mechanism 150 adjusted by different passengers, so as to store comfortable sitting postures of different passengers.
In some alternative embodiments: referring to fig. 8 and 10, the present embodiment provides an automatically adjusting zero-gravity seat structure, in which the electric slide rail assembly 110 includes two sets of slide rails arranged in bilateral symmetry at an interval, the slide rail includes a lower rail 111 and an upper slide block 112 located in the lower rail 111, the upper slide block 112 moves linearly in the lower rail 111 along the length direction of the lower rail 111, and a linear rack (not shown) is disposed in the lower rail 111.
A motor bracket 113 is connected between the two sets of slide rails, one end of the motor bracket 113 is fixedly connected with one upper slide block 112, the other end is fixedly connected with the other upper slide block 112, a fourth motor 114 is arranged on the motor bracket 113, and two ends of the fourth motor 114 are in meshing transmission connection with the linear rack through gears (not shown in the figure). The fourth motor 114 adjusts the second forward and backward displacement of the upper slider 112 by rotating forward and backward.
A second aspect of embodiments of the present application provides an automobile comprising a zero-gravity seat structure provided with any of the embodiments described above.
Principle of operation
The application provides an automatically regulated's zero gravity seat structure action step when constructing zero gravity gesture mode as follows:
in the first step, the controller sends a start signal to a fourth motor 114 of the electric slide rail assembly 110, the fourth motor 114 receives the start signal and then drives gears at two ends of the fourth motor 114 to rotate, the gears are engaged with racks located in the lower rail 111 to reversely push the fourth motor 114, the motor bracket 113 and the upper slide block 112 to linearly move back and forth relative to the lower rail 111, and when the upper slide block 112 reaches a set position, the fourth motor 114 stops rotating.
Secondly, the controller sends a start signal to the second motor 162 of the leg rest inclination angle adjusting mechanism 160, the second motor 162 receives the start signal and then drives the third bevel gear 163a of the second gear box 163 to rotate, the third bevel gear 163a drives the fourth bevel gear 163b to rotate, the fourth bevel gear 163b drives the second lead screw 166 to rotate, the second lead screw 166 is in threaded connection with the second lead screw nut 165 to convert the rotary motion of the second lead screw 166 into the linear motion of the second lead screw 166, the second lead screw 166 pushes the leg rest cross beam 161 in the direction away from the front cushion cross beam 123, the leg rest cross beam 161 pushes the leg rest support 141, the leg rest support 141 rotates relative to the seat basin 124 under the connecting action of the upper connecting plate 142 and the lower connecting plate 143, so that the leg rest support 141 unfolds from the seat basin 124 and swings obliquely upwards, and when the leg rest support 141 is adjusted to a set angle, the second motor 162 stops rotating.
In the third step, the controller sends a start signal to the third motor 173 of the backrest tilt angle adjusting mechanism 170, the third motor 173 drives the third gear box 172 after receiving the start signal, the third gear box 172 drives the synchronizing rod 174 to rotate, and the synchronizing rod 174 triggers the angle adjuster 171 to enable the angle adjuster 171 to adjust the pitch angle of the backrest side plate 131. The upper cross tube 132, the lower link plate 133 and the back spring 134, which are located on the back side plate 131, rotate in synchronization with the back side plate 131. When the back frame 130 is adjusted to the set angle, the third motor 173 stops rotating.
Fourthly, the controller sends a start signal to the first motor 153 of the seat cushion tilt angle adjusting mechanism 150, the first motor 153 receives the start signal and then drives the driving gear 158a of the fourth gear box 158 to rotate, the driving gear 158a drives the driven gear 158b to rotate, the driven gear 158b drives the first screw 154 to rotate, the first screw 154 drives the first bevel gear 155a of the first gear box 155 to rotate, the first bevel gear 155a drives the second bevel gear 155b to rotate, the second bevel gear 155b drives the straight gear 155c to rotate, and the straight gear 155c is engaged with the teeth 151a of the rear foot rest 151 to drive the seat cushion frame 120 and then the seat cushion beam 122 turns upward as a rotating shaft.
Moreover, the first lead screw 154 further drives the first lead screw nut 156 to linearly move on the first lead screw 154 in a direction close to the first motor 153, and the first lead screw nut 156 drives the ejector rod 157 to rotate upward to gradually increase the angle between the ejector rod 157 and the first lead screw 154, so as to drive the seat cushion frame 120 and the rear seat cushion beam 122 to turn upward as a rotating shaft. When the seat cushion frame 120 is adjusted to the set angle, the first motor 153 stops rotating.
After the above actions are completed, the seat reaches the zero gravity posture as shown in fig. 3 and 4.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An automatically adjusting zero-gravity seat structure, the zero-gravity seat structure comprising:
the seat comprises a seat framework (100) and a seat back, wherein the seat framework (100) comprises a cushion framework (120), an electric slide rail assembly (110) which is positioned at the bottom of the cushion framework (120) and drives the cushion framework (120) to move back and forth, a backrest framework (130) which is positioned at the rear end of the cushion framework (120) and is rotationally connected with the cushion framework (120), and a leg support framework (140) which is positioned at the front end of the cushion framework (120) and is rotationally connected with the cushion framework (120);
adjustment mechanism, it is including being located in order to adjust between cushion skeleton (120) and the electronic slide rail assembly (110) cushion inclination adjustment mechanism (150) at cushion skeleton (120) inclination is located in order to adjust between cushion skeleton (120) and back skeleton (130) back inclination adjustment mechanism (170) at back skeleton (130) inclination is located in order to adjust between cushion skeleton (120) and the leg support skeleton (140) leg support inclination adjustment mechanism (160) at leg support skeleton (140) inclination.
2. The self-adjusting zero-gravity seat structure of claim 1, wherein:
cushion skeleton (120) include two left and right sides interval symmetry set up cushion curb plate (121), will two preceding cushion crossbeam (123) and back cushion crossbeam (122) that cushion curb plate (121) link into an organic whole to and fix two sit basin (124) at cushion curb plate (121) front end.
3. The self-adjusting zero-gravity seat structure of claim 2, wherein:
the cushion inclination angle adjusting mechanism (150) comprises a front foot rest (152) fixed at the front end of the electric slide rail assembly (110) and a rear foot rest (151) fixed at the rear end of the electric slide rail assembly (110), and the upper end of the rear foot rest (151) is rotatably connected with the cushion side plate (121) through a rear cushion cross beam (122);
a first motor (153) and a first gear box (155) are fixedly arranged on the cushion side plate (121), the first motor (153) and the first gear box (155) are connected through a first screw rod (154), and a first bevel gear (155a) in transmission connection with the first screw rod (154) is arranged in the first gear box (155);
a second bevel gear (155b) in meshed connection with the first bevel gear (155a) is further arranged in the first gear box (155), a straight gear (155c) coaxially and fixedly connected with the second bevel gear (155b) is arranged outside the first gear box (155), and teeth (151a) in meshed connection with the straight gear (155c) are arranged at the upper end of the rear foot stool (151);
the first screw rod (154) is in threaded connection with a first screw rod nut (156), a push rod (157) is connected between the first screw rod nut (156) and the front foot rest (152), one end of the push rod (157) is rotatably connected with the first screw rod nut (156), and the other end of the push rod (157) is rotatably connected with the front foot rest (152).
4. The self-adjusting zero-gravity seat structure of claim 2, wherein:
the leg support framework (140) comprises a leg support bracket (141) and an upper connecting plate (142) and a lower connecting plate (143) which are used for rotatably connecting the leg support bracket (141) to the sitting basin (124);
the sitting basin (124) comprises a top plate (124a) and side plates (124b) positioned on two sides of the top plate (124a), the side plates (124b) on two sides of the top plate (124a) are respectively provided with an upper hinge shaft (124c) rotatably connected with one end of an upper connecting plate (142) and a lower hinge shaft (124d) rotatably connected with one end of a lower connecting plate (143), and the length of the lower connecting plate (143) is greater than that of the upper connecting plate (142);
the leg support bracket (141) comprises a vertical plate (141a) and folding edges (141b) positioned on two sides of the vertical plate (141a), wherein the folding edges (141b) on two sides of the vertical plate (141a) are respectively provided with an upper through hole (141c) rotatably connected with the other end of the upper connecting plate (142), and a lower shaft pin (141d) rotatably connected with the other end of the lower connecting plate (143).
5. The self-adjusting zero-gravity seat structure of claim 4, wherein:
the leg support inclination angle adjusting mechanism (160) comprises a leg support cross beam (161) positioned between two folded edges (141b), two ends of the leg support cross beam (161) are respectively rotatably connected with upper through holes (141c) of the two folded edges (141b), and a second motor (162) is fixedly arranged on the leg support cross beam (161);
be equipped with second screw-nut support (164) on preceding cushion crossbeam (123), it is connected with second screw-nut (165) to rotate on second screw-nut support (164), be connected through second lead screw (166) between second motor (162) and second screw-nut (165).
6. The self-adjusting zero-gravity seat structure of claim 5, wherein:
a second gear box (163) is fixedly arranged on the leg support cross beam (161), the second motor (162) is connected with a second screw rod (166) through a second gear box (163), and a third bevel gear (163a) and a fourth bevel gear (163b) which are meshed and connected with each other are arranged in the second gear box (163);
the axis of the third bevel gear (163a) is parallel to the axis of the leg support beam (161), the third bevel gear (163a) is in transmission connection with the second motor (162), and the fourth bevel gear (163b) is fixedly connected with one end of the second screw rod (166).
7. The self-adjusting zero-gravity seat structure of claim 2, wherein:
the backrest framework (130) comprises two backrest side plates (131) which are symmetrically arranged at left and right intervals, and an upper transverse pipe (132) and a lower connecting plate (133) which connect the two backrest side plates (131) into a whole;
the backrest inclination angle adjusting mechanism (170) comprises angle adjusters (171) connected between the rear ends of the two cushion side plates (121) and the lower ends of the two backrest side plates (131) and a synchronizing rod (174) connected between the two angle adjusters (171), and a third gear box (172) and a third motor (173) which drive the synchronizing rod (174) to rotate are arranged on the backrest side plates (131).
8. The self-adjusting zero-gravity seat structure of claim 1, wherein:
the cushion is characterized by further comprising cushion foam (201) and a cushion pressure detector (204) which are positioned on the cushion framework (120), backrest foam (202) and a backrest pressure detector (205) which are positioned on the backrest framework (130), leg support foam (203) and a leg support pressure detector (206) which are positioned on the leg support framework (140), and a controller, wherein the cushion pressure detector (204), the backrest pressure detector (205) and the leg support pressure detector (206) are all connected with the controller;
the controller receives signals of the cushion pressure detector (204), the backrest pressure detector (205) and the leg support pressure detector (206) to adjust the electric sliding rail assembly (110), the cushion inclination angle adjusting mechanism (150), the backrest inclination angle adjusting mechanism (170) and the leg support inclination angle adjusting mechanism (160) to reach a zero gravity posture.
9. The self-adjusting zero-gravity seat structure of claim 1, wherein:
the electric slide rail assembly (110) comprises two groups of slide rails which are arranged in bilateral symmetry, each slide rail comprises a lower rail (111) and an upper slide block (112) positioned in the lower rail (111), the upper slide blocks (112) linearly move in the lower rail (111) along the length direction of the lower rail (111), and the lower rail (111) is provided with a linear rack;
a motor support (113) is connected between the two groups of sliding rails, one end of the motor support (113) is fixedly connected with one upper sliding block (112), the other end of the motor support is fixedly connected with the other upper sliding block (112), a fourth motor (114) is arranged on the motor support (113), and the fourth motor (114) is meshed and connected with the linear rack through a gear.
10. An automobile, characterized by comprising a zero gravity seat structure provided with any one of claims 1 to 9.
CN202110643449.XA 2021-06-09 2021-06-09 Automatic zero gravity seat structure and car of adjusting Active CN113352960B (en)

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