CN112428900B - Four-way electric headrest mechanism - Google Patents
Four-way electric headrest mechanism Download PDFInfo
- Publication number
- CN112428900B CN112428900B CN202011389515.7A CN202011389515A CN112428900B CN 112428900 B CN112428900 B CN 112428900B CN 202011389515 A CN202011389515 A CN 202011389515A CN 112428900 B CN112428900 B CN 112428900B
- Authority
- CN
- China
- Prior art keywords
- headrest
- longitudinal
- assembly
- lead screw
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B60N2/80—Head-rests
- B60N2/806—Head-rests movable or adjustable
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention provides a four-way electric headrest mechanism, wherein the headrest moves up and down by driving a height lifting arm to move upwards or downwards through the rotation of a first lead screw fixed on a longitudinal guide rail bracket, so that a headrest rod drives the headrest to move upwards or downwards; the headrest moves back and forth, namely, a front block thrust assembly provided with a headrest front shell is driven to move back and forth relative to a support frame through linear translation of a shaft of a second screw fixedly arranged on the support frame, the front block thrust assembly is connected with the support frame in a gear-rack meshing mode, a headrest rear shell assembly is connected with a gear shaft in a gear assembly through a claw, and when the gear shaft moves back and forth along with the front block thrust assembly, the headrest rear shell assembly also moves back and forth along with the front block thrust assembly. The four-way electric headrest mechanism provided by the invention is suitable for passengers with different body types, meets one requirement of different passengers on the fitting degree of the headrest and the body, is adjusted through the motor, and does not need manual operation of the passengers in the operation process, and is intelligent in operation.
Description
Technical Field
The invention belongs to the technical field of automobile headrests, and particularly relates to a four-way electric headrest mechanism.
Background
In order to improve the comfort of passengers taking a car, a headrest is usually added on an existing car seat backrest, the headrest in part of car models and the car seat backrest are integrated, for example, a car seat form with a high backrest is adopted by a bus, the headrest and the car seat backrest in a common car are in split type designs, the practicability and the replaceability of the headrest are improved, the headrest can be suitable for passengers with different body heights, the headrest can be usually only adjusted to preset gears along a headrest guide rod, manual operation is required by the passengers in the operation process, and only one adjustment in the up-down direction can be performed, the front-back adjustment cannot be performed, one requirement of different passengers on the fitting degree of the headrest and the body cannot be met, and meanwhile, the manual adjustment mode is not intelligent enough.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a four-way electric headrest mechanism.
The technical scheme of the invention is as follows:
The four-way electric headrest mechanism comprises a headrest up-and-down moving device and a headrest front-and-back moving device, wherein the headrest up-and-down moving device comprises a height lifting arm, the height lifting arm is fixedly connected with the lower end of a headrest rod, the height lifting arm is slidably mounted on a longitudinal guide rail bracket, a first motor is fixedly mounted on the longitudinal guide rail bracket, a first lead screw is mounted on an output shaft of the first motor and is in threaded connection with the height lifting arm, the first lead screw is perpendicular to the height lifting arm, the longitudinal guide rail bracket is fixedly mounted on a transverse bracket, and the transverse bracket is fixedly mounted on a seat back side plate; the first lead screw is driven to rotate through the movement of the first motor, and the first lead screw rotates to drive the height lifting arm to move upwards or downwards, so that the headrest rod is driven to move upwards or downwards;
The headrest front-back moving device comprises a support frame connected with the upper end of a headrest rod, a support frame rack structure is arranged in the support frame, a second motor is fixedly installed on the support frame, a second lead screw is installed on an output shaft of the second motor, a cylindrical end head of the second lead screw is connected to a front block thrust assembly through a large gasket, the front block thrust assembly is fixed in a headrest front shell, a front block thrust assembly rack structure is arranged on the front block thrust assembly, the front block thrust assembly rack structure and the support frame rack structure are connected through meshing with a gear assembly, the gear assembly comprises a gear and a gear shaft, the gear shaft is connected to a claw installed in a headrest rear shell assembly in a clamping mode, connection between the headrest rear shell assembly and the front block thrust assembly is achieved, and the support frame is arranged between the headrest front shell and the headrest rear shell assembly; the second motor moves to drive the second screw rod to do axial linear translation, and the second screw rod moves to drive the front block thrust assembly to do forward or backward movement, so that the front block thrust assembly drives the headrest front shell and the headrest rear shell assembly to do forward or backward linear movement.
As a preferable mode of the invention, two ends of the height lifting arm are provided with headrest rod mounting holes for inserting headrest rods, the headrest rod mounting holes are arranged at two sides of the height lifting arm, two ends of the side wall of the headrest rod mounting holes are provided with torsion springs for clamping and fixing the headrest rods, the torsion springs are omega-shaped, and the torsion springs are used for limiting the movement of the headrest rods; the height lifting arms are provided with first threaded holes which are connected with the first screw rod in a penetrating mode from bottom to top, and the height lifting arms on two sides of the first threaded holes are symmetrically provided with a height lifting arm slideway.
As the preferable mode of the invention, the lower end of the longitudinal guide rail bracket is provided with a first motor mounting hole for mounting and fixing a first motor, the side wall of the lower end of the longitudinal guide rail bracket is provided with a guide rail bracket mounting hole connected with the transverse bracket, and the longitudinal guide rail bracket is fixed on the transverse bracket through the guide rail bracket mounting hole by bolts; the two sides of the upper end of the longitudinal guide rail bracket are provided with guide rails which are slidably arranged in the high lifting arm slideway.
As the preferable mode of the invention, the support frame comprises a frame body, wherein a reinforcing plate is arranged at the middle position of the frame body, a second motor mounting hole for mounting a second motor and a second screw mounting hole for penetrating a second screw are formed in the reinforcing plate, and a mounting hole for mounting a headrest rod is formed in the bottom end of the frame body; the left avoidance area and the right avoidance area are symmetrically arranged on two sides of the reinforcing plate respectively, an upper supporting frame rack structure and a lower supporting frame rack structure which are perpendicular to the reinforcing plate are symmetrically arranged on the left side face of the left avoidance area and the right side face of the right avoidance area, a left groove slideway is arranged on the right side face of the left avoidance area, a left protruding guide rib is respectively arranged on two sides of the left groove slideway, a right groove slideway is arranged on the left side face of the right avoidance area, and a right protruding guide rib is respectively arranged on two sides of the right groove slideway; two frame arms are formed above the frame body, and a support rack structure is symmetrically arranged on the two frame arms.
As the preference of the invention, the front block thrust assembly comprises a front push plate, a transverse buckle arranged between two frame arms, a left longitudinal buckle arranged in a left avoidance area and a right longitudinal buckle arranged in a right avoidance area; the front push plate is provided with a through hole in threaded connection with the second lead screw, the upper end of the front push plate is provided with two transverse clamping jaws in clamping connection with the transverse buckle, the lower parts of the two transverse clamping jaws are provided with mounting holes connected with the front headrest shell, and the lower parts of the two mounting holes are symmetrically provided with a left longitudinal clamping jaw in clamping connection with the left longitudinal buckle and a right longitudinal clamping jaw in clamping connection with the right longitudinal buckle; the lower end of the transverse buckle is provided with a front thrust assembly rack structure which is opposite to the rack structure of the support frame arranged on the frame body arm; the left longitudinal claw is arranged between the two left convex guide ribs, the right side of the left longitudinal claw is provided with a left sliding rail which is slidably arranged in the left groove slideway, and the left side of the left longitudinal claw is provided with two front block thrust assembly rack structures which are opposite to the rack structures of the support frames arranged in the left avoidance area; the right longitudinal buckle and the left longitudinal buckle are identical in structure and are symmetrically arranged.
The beneficial effects of the invention are as follows:
(1) The four-way electric headrest mechanism provided by the invention can perform the up-and-down movement operation of the headrest, the up-and-down movement of the headrest is started by the first motor fixed on the longitudinal guide rail bracket, and the first screw rod is driven to rotate, so that the height lifting arm is driven to move upwards or downwards, and the headrest rod is driven to stably move upwards or downwards under the pushing of the lifting arm.
(2) The four-way electric headrest mechanism provided by the invention can move the headrest back and forth, and the headrest back and forth movement is started by the second motor fixedly arranged on the support frame, so that the second lead screw is driven to do axial linear movement to drive the headrest front shell and the headrest rear shell arranged on the front block thrust assembly to move back and forth relative to the support frame.
(3) According to the four-way electric headrest mechanism provided by the invention, the sliding between the front block thrust assembly and the support frame can be converted into the movement with small friction coefficient through the meshing of the gear and the rack.
(4) The four-way electric headrest mechanism provided by the invention is suitable for passengers with different body types and heights, can meet the requirements of different passengers on the fitting degree of the headrest and the body, is regulated by the motor, does not need manual operation of the passengers in the operation process, and is intelligent in operation.
Drawings
Other objects and attainments together with a more complete understanding of the invention will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is another angular schematic view of fig. 1.
Fig. 3 is an exploded view of fig. 1 with the headrest rods removed.
Fig. 4 is an exploded view of fig. 3C.
Fig. 5 is an exploded view of D in fig. 3.
Fig. 6 is an exploded view of fig. 3 a.
Fig. 7 is an exploded view of fig. 6B.
Fig. 8 is a schematic structural view of a transverse buckle in the present invention.
Wherein the reference numerals are as follows: the height lift arm 11, the longitudinal rail bracket 12, the first motor 13, the first lead screw 14, the lateral bracket 15, the headrest rod mounting hole 111, the torsion spring 112, the first threaded hole 114, the height lift arm slide 115, the first motor mounting hole 121, the rail bracket mounting hole 122, the rail 123, the support bracket 21, the second motor 22, the second lead screw 23, the front block thrust assembly 24, the gear assembly 25, the headrest front shell 31, the headrest rear shell assembly 41, the support bracket rack structure 2131 (2151), the thrust assembly rack structure 2421 (2441), the pawl 411, the frame body 211, the reinforcement plate 212, the left avoidance area 213, the right avoidance area 214, the frame body arm 215, the second motor mounting hole 2121, the second lead screw mounting hole 2122, the left groove slide 2131, the right groove slide 2141, the right raised guide bar 2142, the front push plate 241, the lateral buckle 242, the left longitudinal buckle 243, the right longitudinal buckle 244, the via hole 2411, the lateral pawl 2412, the mounting hole 2413, the left longitudinal 2414, the right longitudinal pawl 2415, and the left slide 2431.
Detailed Description
The following detailed description of the application, taken in conjunction with the accompanying drawings, is not intended to limit the scope of the application, so that those skilled in the art may better understand the technical solutions of the application and their advantages.
Referring to fig. 1 to 4, it is shown that: the four-way electric headrest mechanism comprises a headrest up-and-down moving device and a headrest front-and-back moving device, wherein the headrest up-and-down moving device comprises a height lifting arm 11, the height lifting arm 11 is fixedly connected with the lower end of a headrest rod, the height lifting arm 11 is slidably mounted on a longitudinal guide rail bracket 12, a first motor 13 is fixedly mounted on the longitudinal guide rail bracket 12, a first lead screw 14 is mounted on an output shaft of the first motor 13, the first lead screw 14 is in threaded connection with the height lifting arm 11, the first lead screw 14 is perpendicular to the height lifting arm 11, the longitudinal guide rail bracket 12 is fixedly mounted on a transverse bracket 15, and the transverse bracket 15 is fixedly mounted on a seat backrest side plate; the first lead screw is driven to rotate 14 through the movement of the first motor 13, and the first lead screw 14 rotates to drive the height lifting arm 11 to move upwards or downwards, so that the headrest rod is driven to move upwards or downwards;
The two ends of the height lifting arm 11 are provided with headrest rod mounting holes 111 for inserting headrest rods, the headrest rod mounting holes 111 are arranged on two sides of the height lifting arm 11, the two ends of the side wall of the headrest rod mounting holes 111 are provided with torsion springs 112 for clamping and fixing the headrest rods, the torsion springs 112 are omega-shaped, and the torsion springs 112 are used for limiting the movement of the headrest rods; the height lifting arm 11 is provided with a first threaded hole 114 which is in threaded connection with the first screw rod 14 from bottom to top, and the height lifting arms 11 on two sides of the first threaded hole 114 are symmetrically provided with a height lifting arm slideway 115;
The lower end of the longitudinal guide rail bracket 12 is provided with a first motor mounting hole 121 for mounting and fixing the first motor 13, the side wall of the lower end of the longitudinal guide rail bracket 12 is provided with a guide rail bracket mounting hole 122 connected with the transverse bracket 15, and the longitudinal guide rail bracket 12 is fixed on the transverse bracket 15 through the guide rail bracket mounting hole 122 by bolts; the upper end of the longitudinal rail bracket 12 is provided on both sides with rails 123, and the rails 123 are slidably mounted in the height lift arm slide 115.
Referring to fig. 3 and 5 and 6, there is shown: the headrest back and forth moving device comprises a support frame 21 connected with the upper end of a headrest rod, a support frame rack structure is arranged in the support frame 21, a second motor 22 is fixedly installed on the support frame 21, a second lead screw 23 is installed on an output shaft of the second motor 22, a cylindrical end of the second lead screw 23 is connected to a front block thrust assembly 24 through a large gasket, the front block thrust assembly 24 is fixed in a headrest front shell 31, a front block thrust assembly rack structure is arranged on the front block thrust assembly 24, the front block thrust assembly rack structure and the support frame rack structure are connected through meshing with a gear assembly 25, the gear assembly 25 comprises a gear shaft, the gear shaft is clamped on a claw 411 installed in a headrest back shell assembly 41, connection between the headrest back shell assembly 41 and the front block thrust assembly 24 is achieved, and the support frame 21 is arranged between the headrest front shell 31 and the headrest back shell assembly 41; the second motor 22 moves to drive the second lead screw 23 to do axial linear translation, and the second lead screw 23 moves to drive the front block thrust assembly 24 to do forward or backward movement, so that the front block thrust assembly 24 drives the headrest front shell 31 and the headrest rear shell assembly 41 to do forward or backward linear movement.
See fig. 6: the support frame 21 comprises a frame body 211, a reinforcing plate 212 is arranged at the middle position of the frame body 211, a second motor mounting hole 2121 for mounting a second motor 22 and a second screw mounting hole 2122 for penetrating a second screw 23 are formed in the reinforcing plate 212, and a mounting hole for mounting a headrest rod is formed in the bottom end of the frame body 211; the left avoidance area 213 and the right avoidance area 214 are symmetrically arranged on two sides of the reinforcing plate 212, an upper support rack structure 2131 and a lower support rack structure 2131 which are perpendicular to the reinforcing plate are symmetrically arranged on the left side surface of the left avoidance area 213 and the right side surface of the right avoidance area 214, a left groove slideway 2131 is arranged on the right side surface of the left avoidance area 213, a left protruding guide rib is respectively arranged on two sides of the left groove slideway 2131, a right groove slideway 2141 is arranged on the left side surface of the right avoidance area 214, and a right protruding guide rib 2142 is respectively arranged on two sides of the right groove slideway 2141; two frame arms 215 are formed above the frame 211, and a support rack structure 2151 is symmetrically arranged between the two frame arms 215.
Referring to fig. 6 to 8, it is shown that: the front block thrust assembly 24 comprises a front push plate 241, a transverse buckle 242 arranged between two frame arms 215, a left longitudinal buckle 243 arranged in the left avoidance area 213, and a right longitudinal buckle 244 arranged in the right avoidance area 214; the front push plate 241 is provided with a through hole 2411 in threaded connection with the second lead screw 23, the upper end of the front push plate 241 is provided with two transverse claws 2412 which are clamped with the transverse buckles 242, the lower parts of the two transverse claws 2412 are provided with mounting holes 2413 connected with the headrest front shell 31, and the lower parts of the two mounting holes 2413 are symmetrically provided with a left longitudinal claw 2414 which is clamped with the left longitudinal buckle 243 and a right longitudinal claw 2415 which is clamped with the right longitudinal buckle 244; the lower end of the transverse buckle 242 is provided with a front thrust assembly rack structure 2421 which is opposite to the support rack structure 2151 arranged on the frame body arm 215; the left longitudinal buckle 243 is arranged between the two left protruding guide ribs, the right side of the left longitudinal buckle 243 is provided with a left sliding rail 2431 which is slidably arranged in the left groove slideway 2131, and the left side of the left longitudinal buckle 243 is provided with two front block thrust assembly rack structures which are opposite to the support frame rack structures 2131 arranged in the left avoidance area 213; the right longitudinal buckle 244 and the left longitudinal buckle 243 are identical in structure and symmetrically arranged, the right longitudinal buckle 244 is arranged between two right protruding guide ribs 2142, the left side of the right longitudinal buckle 244 is provided with a left sliding rail which is slidably arranged in the right groove slideway 2141, and the right side of the right longitudinal buckle 244 is provided with two front block thrust assembly rack structures 2441 which are opposite to the rack structures of the support frame arranged in the right avoidance area 214.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A four-way electric headrest mechanism, characterized in that: the device comprises a headrest up-and-down moving device and a headrest front-and-back moving device, wherein the headrest up-and-down moving device comprises a height lifting arm, the height lifting arm is fixedly connected with the lower end of a headrest rod, the height lifting arm is slidably mounted on a longitudinal guide rail bracket, a first motor is fixedly mounted on the longitudinal guide rail bracket, a first lead screw is mounted on an output shaft of the first motor and is in threaded connection with the height lifting arm, the first lead screw is perpendicular to the height lifting arm, the longitudinal guide rail bracket is fixedly mounted on a transverse bracket, and the transverse bracket is fixedly mounted on a seat backrest side plate; the first lead screw is driven to rotate through the movement of the first motor, and the first lead screw rotates to drive the height lifting arm to move upwards or downwards, so that the headrest rod is driven to move upwards or downwards;
The headrest front-back moving device comprises a support frame connected with the upper end of a headrest rod, a support frame rack structure is arranged in the support frame, a second motor is fixedly installed on the support frame, a second lead screw is installed on an output shaft of the second motor, a cylindrical end head of the second lead screw is connected to a front block thrust assembly through a large gasket, the front block thrust assembly is fixed in a headrest front shell, a front block thrust assembly rack structure is arranged on the front block thrust assembly, the front block thrust assembly rack structure and the support frame rack structure are connected through meshing with a gear assembly, the gear assembly comprises a gear shaft, the gear shaft is connected to a claw installed in a headrest rear shell assembly in a clamping mode, connection between the headrest rear shell assembly and the front block thrust assembly is achieved, and the support frame is arranged between the headrest front shell and the headrest rear shell assembly; the second lead screw is driven to do axial linear translation through the movement of the second motor, and the second lead screw is driven to do forward or backward movement through the axial linear translation of the second lead screw, so that the front block thrust assembly drives the headrest front shell and the headrest rear shell assembly to do forward or backward linear movement;
The two ends of the height lifting arm are provided with headrest rod mounting holes for inserting headrest rods, the headrest rod mounting holes are formed in two sides of the height lifting arm, two ends of the side wall of the headrest rod mounting holes are provided with torsion springs for clamping and fixing the headrest rods, the torsion springs are omega-shaped, and the torsion springs are used for limiting movement of the headrest rods; the height lifting arms are provided with a first threaded hole which is in threaded connection with a first screw rod from bottom to top, and the height lifting arms on two sides of the first threaded hole are symmetrically provided with a height lifting arm slideway;
The support frame comprises a frame body, a reinforcing plate is arranged at the middle position of the frame body, a second motor mounting hole for mounting a second motor and a second screw mounting hole for penetrating a second screw are formed in the reinforcing plate, and a mounting hole for mounting a headrest rod is formed in the bottom end of the frame body; the left avoidance area and the right avoidance area are symmetrically arranged on two sides of the reinforcing plate respectively, an upper supporting frame rack structure and a lower supporting frame rack structure which are perpendicular to the reinforcing plate are symmetrically arranged on the left side face of the left avoidance area and the right side face of the right avoidance area, a left groove slideway is arranged on the right side face of the left avoidance area, a left protruding guide rib is respectively arranged on two sides of the left groove slideway, a right groove slideway is arranged on the left side face of the right avoidance area, and a right protruding guide rib is respectively arranged on two sides of the right groove slideway; two frame arms are formed above the frame body, and a support rack structure is symmetrically arranged on the two frame arms.
2. A four-way power headrest mechanism as claimed in claim 1, wherein: the lower end of the longitudinal guide rail bracket is provided with a first motor mounting hole for mounting and fixing a first motor, the side wall of the lower end of the longitudinal guide rail bracket is provided with a guide rail bracket mounting hole connected with the transverse bracket, and the longitudinal guide rail bracket is fixed on the transverse bracket through the guide rail bracket mounting hole by bolts; the two sides of the upper end of the longitudinal guide rail bracket are provided with guide rails which are slidably arranged in the high lifting arm slideway.
3. A four-way power headrest mechanism as claimed in claim 1, wherein: the front block thrust assembly comprises a front push plate, a transverse buckle arranged between two frame arms, a left longitudinal buckle arranged in a left avoidance area and a right longitudinal buckle arranged in a right avoidance area; the front push plate is provided with a through hole in threaded connection with the second lead screw, the upper end of the front push plate is provided with two transverse clamping jaws in clamping connection with the transverse buckle, the lower parts of the two transverse clamping jaws are provided with mounting holes connected with the front headrest shell, and the lower parts of the two mounting holes are symmetrically provided with a left longitudinal clamping jaw in clamping connection with the left longitudinal buckle and a right longitudinal clamping jaw in clamping connection with the right longitudinal buckle; the lower end of the transverse buckle is provided with a front thrust assembly rack structure which is opposite to the rack structure of the support frame arranged on the frame body arm; the left longitudinal claw is arranged between the two left convex guide ribs, the right side of the left longitudinal claw is provided with a left sliding rail which is slidably arranged in the left groove slideway, and the left side of the left longitudinal claw is provided with two front block thrust assembly rack structures which are opposite to the rack structures of the support frames arranged in the left avoidance area; the right longitudinal buckle and the left longitudinal buckle are identical in structure and are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389515.7A CN112428900B (en) | 2020-12-02 | 2020-12-02 | Four-way electric headrest mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389515.7A CN112428900B (en) | 2020-12-02 | 2020-12-02 | Four-way electric headrest mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112428900A CN112428900A (en) | 2021-03-02 |
| CN112428900B true CN112428900B (en) | 2024-06-18 |
Family
ID=74699163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011389515.7A Active CN112428900B (en) | 2020-12-02 | 2020-12-02 | Four-way electric headrest mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112428900B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113415222B (en) * | 2021-08-05 | 2023-05-26 | 麦格纳座椅研发(重庆)有限公司 | Headrest anticollision early warning system |
| CN113525205B (en) * | 2021-08-26 | 2022-08-19 | 延锋国际座椅***有限公司 | Seat electric headrest |
| CN114379439A (en) * | 2022-01-10 | 2022-04-22 | 延锋国际座椅***有限公司 | Novel structure of headrest |
| CN117068016B (en) * | 2023-10-17 | 2024-03-15 | 常州卓骏汽车***有限公司 | Electric four-way headrest of automobile seat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214396509U (en) * | 2020-12-02 | 2021-10-15 | 长春富维安道拓汽车饰件***有限公司 | Four-way electric headrest mechanism |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926367B2 (en) * | 2002-12-02 | 2005-08-09 | Nissan Motor Co., Ltd. | Car seat with seat belt warning mechanism |
| CN101524977B (en) * | 2008-03-04 | 2013-09-04 | C.劳勃.汉默斯坦两合有限公司 | An electrically height-adjustable head rest device of a motor vehicle |
| CN201333956Y (en) * | 2009-01-06 | 2009-10-28 | 上海延锋江森座椅有限公司 | Headrest of automobile seat |
| CN102795132A (en) * | 2012-07-21 | 2012-11-28 | 长春富维-江森自控汽车饰件***有限公司 | Electric adjusting mechanism for adjusting headrest of car seat frontward and backward |
| CN205395846U (en) * | 2016-03-10 | 2016-07-27 | 重庆豪斯特汽车零部件有限公司 | Headrest framework before car seat |
| CN109720254B (en) * | 2019-03-11 | 2023-08-29 | 上海国琻汽车科技有限公司 | four-way headrest |
| DE102019206543B4 (en) * | 2019-05-07 | 2023-01-12 | Magna Seating (Germany) Gmbh | Headrest arrangement with a drive for the horizontal adjustment of a headrest box for a motor vehicle seat |
| CN211442059U (en) * | 2019-12-26 | 2020-09-08 | 沈阳市中瑞机械有限责任公司 | Electronic six to adjusting car seat headrest skeleton |
| CN111391733A (en) * | 2020-04-17 | 2020-07-10 | 延锋安道拓(常熟)座椅机械部件有限公司 | Electric headrest adjusting mechanism |
-
2020
- 2020-12-02 CN CN202011389515.7A patent/CN112428900B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214396509U (en) * | 2020-12-02 | 2021-10-15 | 长春富维安道拓汽车饰件***有限公司 | Four-way electric headrest mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112428900A (en) | 2021-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112428900B (en) | Four-way electric headrest mechanism | |
| KR101585850B1 (en) | Power headrest apparatus | |
| JP5043385B2 (en) | Automotive seat device | |
| EP3275726A1 (en) | Four-way electric power actuation head restraint | |
| KR20180060402A (en) | Tilt extension apparatus for cushion part of seat | |
| CN214396509U (en) | Four-way electric headrest mechanism | |
| KR200476827Y1 (en) | Seat cushion extension apparatus | |
| CN112977218A (en) | Automobile seat with good comfort | |
| CN218750424U (en) | Automobile seat slide rail device capable of sliding smoothly | |
| CN214215552U (en) | Headrest framework mechanism capable of moving forwards and backwards | |
| CN215474662U (en) | Four-way electric headrest mechanism | |
| CN214189413U (en) | Four-way adjusting automobile headrest framework | |
| CN111591179B (en) | Automobile seat and independent seat cushion extension device | |
| KR101945797B1 (en) | Power headresting apparatus | |
| CN112977214B (en) | Automobile seat | |
| CN220130000U (en) | Headrest structure of automobile seat | |
| CN217022287U (en) | Integrated long-stroke headrest | |
| CN215474614U (en) | Integral automobile seat buttock rear side supporting structure | |
| CN220391073U (en) | Automobile seat adjusting mechanism | |
| KR101295931B1 (en) | Back Extension Unit Linked with Head Rest | |
| CN217495907U (en) | Headrest adjusting device, seat and vehicle | |
| CN210706835U (en) | Automobile skylight device | |
| CN216805196U (en) | Seat reclining mechanism for vehicle seat | |
| CN220842280U (en) | Automobile seat slide rail locking mechanism | |
| CN221137764U (en) | Seat sliding device for vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |