CN212861192U - Seat headrest lifting adjusting device - Google Patents
Seat headrest lifting adjusting device Download PDFInfo
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- CN212861192U CN212861192U CN202021650101.0U CN202021650101U CN212861192U CN 212861192 U CN212861192 U CN 212861192U CN 202021650101 U CN202021650101 U CN 202021650101U CN 212861192 U CN212861192 U CN 212861192U
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- headrest
- rack
- rod
- seat
- main body
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Abstract
The utility model provides a seat headrest lifting adjusting device assembles between headrest main part and seat back, this seat headrest lifting adjusting device includes the headrest pole of two parallel settings, and set up the drive arrangement in headrest main part, and the drive shaft that links to each other with drive arrangement, and the cooperation sets up the transmission between drive shaft and at least one of which headrest pole is vice, this transmission is vice to be constructed for transmitting the rotatory operating force who comes from the drive shaft to headrest main part, in order to order about the headrest main part and have the elevating movement along the headrest pole. The utility model discloses a seat headrest lifting adjusting device can transmit the rotary driving power of drive arrangement output to the headrest main part to realize the headrest and adjust for the lift of seat back, and have the advantage that the regulative mode is simple, easily operation.
Description
Technical Field
The utility model relates to the technical field of seats, in particular to seat headrest lifting adjusting device.
Background
At present, a headrest installed on a backrest of a car seat mainly plays a role of supporting the head of a passenger, and particularly, when a car collides, the headrest can effectively reduce the backward displacement of the head of the passenger, thereby avoiding the neck injury of the passenger. In addition, the headrest can also move up and down relative to the seat back to meet the use requirements of passengers with different heights.
With the development of new automobile technology, more and more automobile seats have electric adjusting functions, namely, earlier electric sliding rails and angle adjusters, and then electric adjusting lifting mechanisms and waist support mechanisms appear. However, the height adjusting device of the headrest in the prior art is not reasonable in arrangement, so that the height of the headrest is inconvenient for the passengers, and particularly for the passenger car, the height of the headrest is inconvenient for the passengers due to the narrow space in the car, thereby causing complaints of the passengers.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a seat headrest lifting adjustment device, so as to adjust the headrest in a lifting manner and have a better use effect.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a seat headrest ascent and descent adjusting device fitted between a headrest main body and a seat back, the seat headrest ascent and descent adjusting device comprising:
the headrest rod comprises a headrest body, a seat backrest and a seat cushion, wherein one end of each headrest rod is fixedly connected to the seat backrest, and the other end of each headrest rod extends towards the headrest body and is restrained in the headrest body, so that the headrest body can slide relative to the headrest rods;
a drive device fixedly disposed relative to the headrest body and operatively coupled to a drive shaft;
the transmission pair is arranged between the driving shaft and at least one headrest rod in a matching way; the transmission pair is configured to transmit a rotational operation force from the drive shaft to the headrest body to urge the headrest body to have a lifting motion along the headrest rod.
Further, the transmission pair is configured as two that are disposed corresponding to each of the headrest rods and are separately disposed on both sides of the driving device.
Further, an elastic urging portion is disposed on the headrest body, the elastic urging portion being in elastic contact with the headrest rod and urging the headrest rod in the direction of the transmission pair.
Further, the elastic force application part is a V-shaped spring plate inserted into the headrest main body, and two feet of the spring plate elastically push against the outer surface of the headrest rod.
Furthermore, the transmission pair comprises a rack fixedly connected to the headrest rod and a gear which follows the driving shaft and is in meshed transmission with the rack.
Furthermore, an insertion hole for the headrest rod provided with the rack to be inserted in a sliding manner is formed in the headrest main body, and a communication hole which at least partially exposes the rack and enables the rack and the gear to keep in meshing transmission in the lifting stroke of the headrest main body is formed in the headrest main body where the gear is located.
Further, the rack comprises a rack main body with a straight tooth section, and a first assembling part formed on the rack main body; the first fitting portion is provided in cooperation with the headrest rod to restrain axial movement of the rack main body relative to the headrest rod.
Further, the first fitting portion is configured as a protrusion fitted on the headrest rod at one side of the headrest rod.
Further, a second assembling part is arranged on the rack main body; the second fitting portion is provided in cooperation with the headrest rod to restrain radial movement of the rack main body relative to the headrest rod.
Further, the second fitting portion is configured as a stepped portion formed at a top portion of the rack bar and inserted downward from a top portion of the headrest rod into the headrest rod.
Compared with the prior art, the utility model discloses following advantage has:
(1) seat headrest lift adjustment device, through drive arrangement and drive shaft to and the transmission of connection between drive shaft and headrest body is vice, can turn into the rotatory drive power transmission of drive arrangement output headrest body along the upper and lower slip of headrest pole, thereby realize headrest body for backrest's lift adjustment, and have the advantage that the regulative mode is simple, easily operation.
(2) Through setting up two transmission pairs, can effectively improve the result of use of headrest main part in lifting adjustment.
(3) The elastic force application part is arranged, so that the gap between the headrest rod and the headrest main body can be reduced, and the effect of the headrest main body in lifting adjustment can be improved.
(4) The V-shaped reed has the advantages of simple structure and convenient installation, and can have better pushing effect by the elastic pushing of two feet of the reed on the outer surface of the headrest rod.
(5) The transmission of the rotating force is realized through the matching between the rack and the gear, the stepless regulation of the headrest main body in the lifting process can be realized, and the use flexibility is better.
(6) The headrest rod is arranged on the headrest main body in an inserting manner, and has the advantages of simple installation manner and convenient lifting adjustment; the intercommunicating pore on the headrest main body is beneficial to keeping the meshing state between the gear and the gear, thereby having better use effect.
(7) The rack adopts first assembly portion and headrest pole to be connected, can effectively prevent that the rack body from taking place axial motion for the headrest pole, and can do benefit to the stability of rack in the work.
(8) The protrusion has simple structure, and is convenient for mounting the rack on the headrest rod.
(9) The rack adopts the second assembly portion to be connected with the headrest rod, can effectively prevent the rack body from generating radial motion relative to the headrest rod, and can be favorable to the stability of rack in work.
(10) Realize the spacing of radial motion between rack and headrest pole through the ladder portion, have simple structure, the advantage of the installation of being convenient for.
Drawings
The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:
fig. 1 is a schematic structural view illustrating a headrest body according to an embodiment of the present invention mounted on a seat back;
fig. 2 is a schematic structural view of a headrest rod according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a headrest body and a headrest rod according to an embodiment of the present invention in a connected state;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a schematic structural view of the intermediate body, the driving device and the headrest rod according to the embodiment of the present invention in an assembled state;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a front view of FIG. 5;
FIG. 8 is a sectional view taken along line B-B of FIG. 7;
FIG. 9 is an enlarged view of portion C of FIG. 8;
fig. 10 is a schematic structural diagram of an intermediate according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a rack according to an embodiment of the present invention;
fig. 12 is a schematic structural view of a reed according to an embodiment of the present invention;
description of reference numerals:
100-seat back, 101-mounting sleeve;
1-headrest body, 2-headrest rod, 3-reed, 4-gear, 5-motor, 6-driving shaft, 7-wire harness, 8-rack and 9-fastener;
11-foaming body, 12-headrest rear cover, 13-intermediate, 14-headrest front cover, 15-headrest cover, 16-insertion hole, 17-insertion groove, 18-insertion groove and 19-communication hole;
21-a limiting groove and 22-an embedding hole;
31-pushing end, 32-bending sheet;
71-harness mounting tubes;
81-protrusion, 82-clamping groove, 83-second boss, 84-limiting bump and 85-first boss.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, terms of orientation such as left, right, up, down, and the like are used in the illustrated state for convenience of description, and should not be construed as limiting the structure of the present invention.
The present embodiment relates to a seat headrest lifting adjustment device, which is assembled between a headrest main body and a seat back, and is used to achieve lifting adjustment of the headrest main body relative to the seat back. The seat headrest lifting adjusting device comprises two headrest rods which are arranged in parallel, one end of each headrest rod is fixedly connected to a seat backrest, and the other end of each headrest rod extends towards a headrest body and is restrained in the headrest body, so that the headrest body can slide relative to the headrest rods. The seat headrest lift adjustment apparatus further includes a drive arrangement fixedly disposed relative to the headrest body and operatively coupled to a drive shaft, and a transmission pair cooperatively disposed between the drive shaft and at least one of the headrest rods. Wherein the transmission pair is configured to transmit a rotational operation force from the drive shaft to the headrest body to drive the headrest body to have a lifting motion along the headrest rods.
It should be noted that the seat back in the present embodiment may be a seat back applied to a vehicle such as a vehicle and an airplane, and may also be a seat back applied in life or a child seat back. Hereinafter, a seat back will be taken as an example of a seat back applied to a vehicle, and referring to fig. 1, in the present embodiment, two mounting sleeves 101 arranged at intervals are constructed at the top of the seat back 100, and the bottom ends of the two headrest rods 2 are inserted into the mounting sleeves 101 and fixed via a fastening structure in the prior art. Wherein, the headrest rod 2 can adopt the headrest rod 2 in the prior art, as shown in fig. 2, the top of the headrest rod 2 is matched with the height adjusting direction of the middle body 13, and the bottom of the headrest rod 2 is matched with the axial direction of the mounting sleeve 101. The hollow arrangement of the headrest rod 2 herein is advantageous in that the weight of the entire headrest body 1 can be reduced, and the harness installation pipe 71 described below can be easily installed in the headrest rod 2.
Referring to fig. 4, the headrest body 1 in the present embodiment includes a middle body 13, a headrest front cover 14 and a headrest rear cover 12 that are mountable on both front and rear sides of the middle body 13 via fasteners 9. The headrest body 1 is further covered with a foam body 11, and a headrest cover 15 is fitted over the foam body 11 to improve the comfort and appearance of the entire headrest body 1.
As shown in fig. 5, the driving device is specifically the motor 5 mounted on the intermediate body 13, wherein, in order to reduce the space occupied by mounting the motor 5 on the intermediate body 13, in this embodiment, an inward concave containing groove is provided on the intermediate body 13, and the motor 5 is fixedly mounted in the containing groove. The driving shaft 6 is transversely arranged on the intermediate body 13, and the middle part of the driving shaft 6 is in transmission connection with the power output end of the motor 5 so as to output driving force in a mode of driving the driving shaft 6 to rotate around the axis of the driving shaft. Corresponding to the two ends of the driving shaft 6, mounting plates are respectively arranged on the intermediate body 13, and the two ends of the driving shaft 6 respectively penetrate through the corresponding mounting plates, so that the use effect of the driving shaft 6 is improved.
In this embodiment, the motor 5 is electrically connected with a wire harness 7 for forming an electrical connection between the power supply and the motor 5, and the wire harness 7 is provided with a control switch for controlling the working state of the motor 5. In addition, the wire harness 7 can penetrate into the headrest rod 2 so as to move the control switch to a position convenient for a passenger to operate, and the passenger can adjust the height of the headrest main body 1 conveniently.
In the specific structure, as shown in fig. 5, in order to facilitate the fixing of the harness 7 on the intermediate body 13 and to have better neatness, in this embodiment, the harness tube 71 is sleeved outside the harness 7, a clamping groove 82 for clamping the harness installation tube 71 is provided at one side of the intermediate body 13, the harness installation tube 71 can be installed on the intermediate body 13 through the clamping groove 82, and the harness installation tube 71 can also be bent and inserted into the headrest rod 2 at the corresponding side, so that a better use effect is achieved. It should be noted that in the present embodiment, the motor 5 can be electrically connected to the power supply of the seat assembly through the wire harness 7 to share one power supply. Of course, the motor 5 may be separately provided with a power source according to specific use requirements.
The transmission pair in this embodiment is configured as two that are disposed on both sides of the motor 5, respectively, corresponding to each headrest rod 2, so that the use effect can be effectively improved. As shown in fig. 4 to 7, each transmission pair in the present embodiment includes a rack 8 attached to the headrest rod 2, and a gear 4 following the drive shaft 6 and meshing-transmitting with the rack 8. The transmission of the rotating force is realized through the matching between the rack 8 and the gear 4, and the stepless adjustment of the headrest body 1 in the lifting process can be realized, namely, the headrest body 1 can be adjusted to any height relative to the seat backrest 100, and further, the headrest has better use flexibility.
As shown in fig. 5, 8 and 10, in the present embodiment, the gears 4 may be fixedly installed at both ends of the driving shaft 6 in an installation manner, and of course, the gears 4 may be directly molded at both ends of the driving shaft 6 instead of installing a single gear 4 on the driving shaft 6. Corresponding to each headrest rod 2, an insertion hole 16 for slidably inserting the headrest rod 2 fitted with the rack 8 is provided in the intermediate body 13, and a communication hole 19 for exposing at least a part of the rack 8 so as to keep the rack 8 and the gear 4 in meshing transmission during the lifting stroke of the headrest body 1 is provided in the headrest body 1 where the gear 4 is located. The communication hole 19 is specifically an arc shape adapted to the gear 4 to adapt to the shape of the gear 4, thereby facilitating the gear 4 and the rack 8 to maintain the meshed state. In addition, the tooth parts on the rack 8 and the gear 4 in the embodiment may be straight teeth or helical teeth, as long as the rack 8 and the gear 4 can be engaged.
The rack 8 in the present embodiment includes an elongated rack body, and a plurality of tooth portions on the rack body are arranged at intervals on one face thereof corresponding to the gear 4 on the drive shaft 6, and for the convenience of description below, the face of the rack body having the tooth portions is hereinafter referred to as a working face, and the other face of the rack body is hereinafter referred to as a connecting face. And a limiting plate is arranged at the top of the working surface of the rack body so as to limit the meshing stroke of the gear 4 and the rack 8. After the gear 4 is meshed with the tooth part at the top of the rack body, the motor 5 drives the gear 4 to continue rotating, and the gear stops rotating due to the limiting of the limiting plate, so that the headrest body is prevented from being separated from the headrest rod 2.
In this embodiment, the connecting surface of the rack body abuts on the outer peripheral surface of the headrest rod 2. To achieve the mounting of the rack body on the headrest rod 2, in the present embodiment, a first fitting portion is formed on the rack body, and the first fitting portion is provided to cooperate with the headrest rod 2 to restrain the axial movement of the main body of the rack 8 relative to the headrest rod 2. As shown in fig. 11, the first assembling portion is a protrusion 81 disposed on the connecting surface of the rack body, and for achieving a better limiting effect, the protrusion 81 is two protrusions spaced apart along the length direction of the rack body. As shown in fig. 2, corresponding to each projection 81, an insertion hole 22 into which the projection 81 is fitted is opened in the headrest rod 2.
In addition, in the present embodiment, a second fitting portion is provided on the rack bar 8 main body, and the second fitting portion is provided to be fitted with the headrest rod 2 so as to suppress radial movement of the rack bar 8 main body with respect to the headrest rod 2. The second fitting portion here is configured as a stepped portion formed at the top of the rack bar 8 and inserted downward from the top of the headrest rod 2 into the headrest rod 2.
Continuing with fig. 2 and 11, a first boss 85 is provided on the attachment surface at the top of the rack body, and a second boss 83 is attached to the bottom of the first boss 85. The cross-sectional area of the second boss 83 is smaller than the cross-sectional area of the first boss 85, so that the first boss 85 and the second boss 83 are connected in a step shape, that is, the step portion is formed. The second boss 83 is inserted into the top end of the headrest rod 2, and the first boss 85 abuts against the top end of the headrest rod 2 to limit the position of the rack 8 on the headrest rod 2. In addition, through holes are provided through the first boss 85 and the second boss 83, which is advantageous for reducing the weight of the entire rack 8.
Further, a downwardly extending stopper projection 84 is formed on the outer peripheral surface of the first boss 85, a stopper groove 21 is provided on the headrest rod 2 corresponding to the stopper projection 84, and the effect of connection between the rack bar 8 and the headrest rod 2 can be further improved by insertion of the stopper projection 84 into the stopper groove 21. In addition, a clamping groove 82 is further formed in the top of the first boss 85, and the wire harness installation pipe 71 can be clamped in the clamping groove 82, so that a good fixing effect is achieved.
In the present embodiment, the headrest body 1 is provided with an elastic biasing portion that elastically contacts the headrest rod 2 and applies an elastic force in the direction toward the gear 4 to the headrest rod 2. So as to be favorable to reducing the clearance between the headrest rod 2 and the headrest body 1 through the elastic force application portion, and further to be favorable to improving the effect of the headrest body 1 in the lifting adjustment.
Based on the design concept of the elastic force application part, and with reference to fig. 6, 9 and 12, the elastic force application part in this embodiment is specifically a V-shaped spring 3 inserted into the middle body 13, and two feet of the spring 3 elastically push against the outer surface of the headrest rod 2, so as to improve the use effect of the headrest body 1 in the adjustment of the height of the seat back 100. The specific structure of the spring 3 is shown in fig. 12, two ends of the spring 3 are pushing ends 31 of the spring 3, since the pushing ends 31 will play a pushing role in the sliding of the headrest body 1 relative to the headrest rod 2, in order to reduce the friction between the two, the pushing surface of the pushing ends 31 acting on the headrest rod 2 is set to be arc-shaped. In addition, two pushing ends 31 of the reed 3 are also thickened, so that the service life of the reed 3 is prolonged.
To facilitate the insertion of the spring 3 on the intermediate body 13, as shown in fig. 10, a housing is provided on the headrest body 1 on the other side of each headrest rod 2 with respect to the gear 4, and an insertion groove 18 is configured in the housing, and the middle portion of the spring 3 is inserted in the insertion groove 18 to constitute the mounting of the spring 3 on the intermediate body 13. Specifically, a projection is provided on the inner peripheral surface of the housing chamber near the headrest rod 2, and the insertion groove 18 is formed on the projection. Certainly, in this embodiment, the protrusion may be formed on the inner circumferential surface of the receiving cavity, which is away from the headrest rod 2, but in general, the closer the middle part of the spring plate 3 is to the headrest rod 2, the greater the pushing force applied to the headrest rod 2 by the two pushing ends 31 on the spring plate 3, and the better the pushing effect on the headrest rod 2.
As shown in fig. 12, a bending piece 32 is further disposed on one side of the middle portion of the spring 3, the bending piece 32 can be bent along one side of the middle portion of the spring 3 toward the other side of the spring 3, and the free end of the bending piece 32 can be kept abutting against the spring 3 due to its elasticity in the bent state. The spring 3 in this embodiment is specifically formed by inserting the bending piece 32 into the insertion groove 18, so that the middle part of the spring 3 and the bending piece 32 are clamped on the projection, thereby fixing the spring 3 on the intermediate body 13.
Due to the insertion of the spring plate 3 in the insertion groove 18 and the shape design of the spring plate 3, the two pushing ends 31 on the spring plate 3 can be kept in contact with the outer peripheral surface of the headrest rod 2, and further the gap between the headrest rod 2 and the headrest body 1 is reduced. In addition, the arrangement mode that the spring plate 3 and the gear 4 can clamp the rack 8 and the headrest rod 2 in the middle can apply acting force to the headrest rod 2 from the front direction and the back direction, so that on one hand, the installation effect of the rack 8 on the headrest rod 2 can be improved, on the other hand, the rack 8 and the gear 4 are further facilitated to be kept in a tight meshing state, and the using effect of the rock-bird is achieved.
In the use state of the seat headrest lifting adjusting device in the embodiment, when the headrest main body 1 needs to be lifted, the motor 5 is controlled to rotate in the forward direction through the control switch, the gear 4 and the rack 8 are in meshing transmission, the headrest main body 1 slides upwards along the headrest rod 2 to move upwards relative to the seat back 100, and when the headrest main body 1 moves to the target position, the motor 5 is turned off through the control switch, so that the headrest main body 1 and the headrest rod 2 are kept relatively fixed. When the headrest body 1 needs to be lowered, the motor 5 is rotated reversely through the control switch, the gear 4 is meshed with the rack 8 for transmission, the headrest body 1 slides downwards along the headrest rod 2 to move downwards relative to the seat back 100, and when the headrest body 1 moves to the target position, the motor 5 is turned off through the control switch, and the headrest body 1 and the headrest rod 2 are fixed relatively.
The seat headrest lifting adjusting device in the embodiment can transmit the rotation driving force output by the driving device to the headrest body 1 to slide up and down along the headrest rod 2 through the driving device, the driving shaft 6 and the transmission pair connected between the driving shaft 6 and the headrest body 1, thereby realizing the lifting adjustment of the headrest body 1 relative to the seat backrest 100 and having the advantages of simple adjusting mode and easy operation.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A seat headrest ascent and descent adjusting device fitted between a headrest main body (1) and a seat back (100), characterized by comprising:
the seat back structure comprises two headrest rods (2) which are arranged in parallel, one end of each headrest rod (2) is fixedly connected to the seat back (100), and the other end of each headrest rod extends towards the headrest body (1) and is restrained in the headrest body (1), so that the headrest body (1) can slide relative to the headrest rods (2);
-drive means fixedly arranged with respect to the headrest body (1) and operatively coupled to a drive shaft (6);
the transmission pair is arranged between the driving shaft (6) and at least one headrest rod (2) in a matching way; the transmission pair is configured to transmit a rotational operation force from the drive shaft (6) to the headrest body (1) to drive the headrest body (1) to have a lifting motion along the headrest rod (2).
2. The seat headrest lifting adjustment device according to claim 1, characterized in that: the transmission pair is configured to correspond to two of the headrest rods (2) which are respectively arranged on two sides of the driving device.
3. The seat headrest lifting adjustment device according to claim 1, characterized in that: an elastic force application part is arranged on the headrest main body (1), and the elastic force application part is elastically contacted with the headrest rod (2) and applies elastic force towards the transmission pair direction to the headrest rod (2).
4. The seat headrest lifting adjustment device according to claim 3, characterized in that: the elastic force application part is a V-shaped spring plate (3) inserted into the headrest main body (1), and two feet of the spring plate (3) are elastically pushed against the outer surface of the headrest rod (2).
5. The seat headrest lifting adjustment device according to any one of claims 1 to 4, characterized in that: the transmission pair comprises a rack (8) fixedly connected to the headrest rod (2) and a gear (4) which follows the driving shaft (6) and is in meshed transmission with the rack (8).
6. The seat headrest lifting adjustment device according to claim 5, characterized in that: an insertion hole (22) for the headrest rod (2) provided with the rack (8) to be inserted in a sliding manner is formed in the headrest main body (1), and a communication hole (19) which at least partially exposes the rack (8) so that the rack (8) and the gear (4) can keep meshed transmission in the lifting stroke of the headrest main body (1) is formed in the headrest main body (1).
7. The seat headrest lifting adjustment device according to claim 6, characterized in that: the rack (8) comprises a rack main body with a straight tooth section, and a first assembling part formed on the rack main body; the first assembling portion is provided in cooperation with the headrest rod (2) to restrain axial movement of the rack main body relative to the headrest rod (2).
8. The seat headrest lifting adjustment device according to claim 7, characterized in that: the first fitting portion is configured to be fitted into a protrusion (81) on the headrest rod (2) at one side of the headrest rod (2).
9. The seat headrest lifting adjustment device according to claim 7, characterized in that: a second assembling part is arranged on the rack main body; the second assembling portion is provided in cooperation with the headrest rod (2) to suppress radial movement of the rack main body relative to the headrest rod (2).
10. The seat headrest lifting adjustment device according to claim 9, characterized in that: the second fitting portion is configured as a stepped portion formed at the top of the rack (8) and inserted downward from the top of the headrest rod (2) into the headrest rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021650101.0U CN212861192U (en) | 2020-08-10 | 2020-08-10 | Seat headrest lifting adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021650101.0U CN212861192U (en) | 2020-08-10 | 2020-08-10 | Seat headrest lifting adjusting device |
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| Publication Number | Publication Date |
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| CN212861192U true CN212861192U (en) | 2021-04-02 |
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| CN202021650101.0U Active CN212861192U (en) | 2020-08-10 | 2020-08-10 | Seat headrest lifting adjusting device |
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| CN (1) | CN212861192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212272A (en) * | 2021-06-21 | 2021-08-06 | 诺创汽车科技(上海)有限公司 | Seat headrest assembly and vehicle |
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2020
- 2020-08-10 CN CN202021650101.0U patent/CN212861192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212272A (en) * | 2021-06-21 | 2021-08-06 | 诺创汽车科技(上海)有限公司 | Seat headrest assembly and vehicle |
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