CN114407746A - Manufacturing method of automobile folding headrest - Google Patents
Manufacturing method of automobile folding headrest Download PDFInfo
- Publication number
- CN114407746A CN114407746A CN202210155552.4A CN202210155552A CN114407746A CN 114407746 A CN114407746 A CN 114407746A CN 202210155552 A CN202210155552 A CN 202210155552A CN 114407746 A CN114407746 A CN 114407746A
- Authority
- CN
- China
- Prior art keywords
- pillow frame
- rod
- unlocking
- push rod
- pressing block
- 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.)
- Granted
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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
- B60N2/838—Tiltable
- B60N2/841—Tiltable characterised by their locking devices
- B60N2/844—Release mechanisms, e.g. buttons
-
- 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
- B60N2/838—Tiltable
- B60N2/841—Tiltable characterised by their locking devices
Abstract
A method for manufacturing a folding headrest for an automobile comprises the following steps of manufacturing a headrest frame and a connecting rod, and connecting the headrest frame to a cross rod at the top of the connecting rod; manufacturing a locking mechanism on the pillow frame; one end of the pull rope is linked with the locking mechanism, and the other end of the pull rope extends out of the connecting rod; embedding the pillow frame in the connecting shell, and sleeving the automobile headrest on the connecting shell; the pillow frame is connected at the middle part of horizontal pole, sets up the stopper respectively on the horizontal pole of pillow frame both sides, sets up respectively on the pillow frame outer wall that corresponds with the stopper and unlocks the piece, unlocks the piece and is connected with unblock piece canceling release mechanical system, sets up release mechanism in the pillow frame, and release mechanism is connected with the stay cord, overlaps at the middle part of horizontal pole and puts reset spring. The advantages are that: synchronous unlocking and locking of the two sides of the pillow frame are achieved through the unlocking blocks on the two sides of the pillow frame, the unlocking transmission structure of the unlocking blocks can keep stress balance, deformation of the transmission structure caused by long-time use is avoided, and unlocking and locking of the pillow frame can be smoothly carried out.
Description
Technical Field
The invention relates to the technical field of automobile headrest manufacturing, in particular to a manufacturing method of an automobile folding headrest.
Background
The prior Chinese patent application with the application number of CN202010406507.2 entitled foldable headrest with pull rope discloses a foldable headrest with pull rope, which comprises a pillow body, a connecting frame and a pillow frame, wherein the pillow frame is arranged on the connecting frame, the pillow body is connected on the pillow frame, the connecting frame is provided with a locking mechanism and a pillow frame reset mechanism, the connecting frame is provided with a transmission mechanism, a roller and a reset mechanism of the roller, the pull rope consists of a plurality of wires, the lower ends of the plurality of wires penetrate through the wire sleeve to extend out of the connecting frame, the upper ends of the plurality of wires are respectively connected with the roller, one end of the transmission mechanism is linked with the roller, the other end of the transmission mechanism is linked with the locking mechanism, when one end of a pull rope extending out of the connecting frame is pulled, the roller is pulled by the rope to rotate, the pillow frame is unlocked by the locking mechanism, and when no pulling force exists on the pull rope, the reset mechanism of the roller drives the roller to rotate reversely to reset. The advantages are that: the direct connection of the pull rope and the headrest rotation triggering structure is avoided, so that the stress of the connection part of the pull rope and the pull rope tension transmission structure is uniform, the pull rope is not easy to damage, and the service life is long. However, the triggering and locking of the headrest structure are performed on one side, the left and right are unbalanced, and the deformation of the transmission structure is easy to cause that the state switching of the headrest structure cannot be smoothly realized, so that the structure of the headrest needs to be further improved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for manufacturing an automobile folding headrest, which has stable rotation and positioning, balanced left and right stress and good use effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the manufacturing method of the automobile folding headrest comprises the following steps,
firstly, manufacturing a pillow frame capable of fixing a car headrest, a connecting rod capable of connecting the pillow frame to a car seat, and rotatably connecting the pillow frame to a cross rod at the top of the connecting rod;
secondly, manufacturing a locking mechanism on the pillow frame, wherein the locking mechanism can position the pillow frame on the cross rod and can unlock the pillow frame when the pull rope is pulled;
thirdly, one end of the pull rope is linked with the locking mechanism, and the other end of the pull rope penetrates through the pillow frame and the connecting rod and extends out of the connecting rod;
fourthly, embedding the pillow frame in the connecting shell, and sleeving the automobile headrest on the connecting shell to finish the manufacturing of the automobile folding headrest;
the method is characterized in that: the pillow frame is connected to the middle of the cross rod, the specific manufacturing method of the locking mechanism comprises the steps that limiting blocks are arranged on the cross rods on two sides of the pillow frame respectively, unlocking blocks are arranged on the outer wall of the pillow frame corresponding to the limiting blocks respectively in a rotating mode, the unlocking blocks are connected with unlocking block reset mechanisms capable of enabling the unlocking blocks to abut against the corresponding limiting blocks to position the pillow frame, unlocking mechanisms capable of synchronously driving the unlocking blocks to be separated from the corresponding limiting blocks are arranged in the pillow frame, the unlocking mechanisms are connected with pull ropes, and reset springs capable of enabling the pillow frame to rotate relative to the cross rod when the limiting blocks are separated from the corresponding unlocking blocks are sleeved in the middle of the cross rod.
As an improvement, the release mechanism can preferably include driving body, push rod, connecting rod, swinging arms, first pull rod and second pull rod, driving body and push rod can be connected on the pillow frame with rotating respectively, the one end of driving body is connected with the stay cord, the other end of driving body is connected with the one end transmission of push rod, is connected with the pivot in the middle part of push rod be provided with push rod canceling release mechanical system in the pivot, the one end of push rod is connected with the connecting rod, and the other end of push rod stretches out the pillow frame and is connected with first pull rod rotation, first pull rod is connected with first unblock piece, the connecting rod is connected with the one end of swinging arms, the other end of swinging arms stretches out the pillow frame and is connected with the second pull rod, the second pull rod is connected with second unblock piece.
In a further improvement, the driving body may be a rotating wheel, and a guide groove into which the pulling rope can be inserted is circumferentially provided on a wheel surface of the rotating wheel.
In a further improvement, a protrusion capable of abutting against the push rod can be preferably arranged on the side part of the rotating wheel, and the side wall of the protrusion abutting against the push rod is a plane.
The improved structure is characterized in that the push rod can be preferably in a V shape, the rotating wheel is located above the rotating shaft, the upper end of the push rod is in abutting contact with the protrusion, the lower end of the push rod is connected with the first pull rod, and the middle of the push rod is connected with the connecting rod.
The connecting rod can preferably comprise an upper connecting ring, a lower connecting ring and a straight rod, the upper end of the straight rod is fixed with the upper connecting ring, the lower end of the straight rod is fixed with the lower connecting ring, the upper connecting ring is rotatably connected with the middle part of the push rod, and the lower connecting ring is rotatably connected with the oscillating rod.
As an improvement, the push rod reset mechanism can be preferably a push rod reset spring, the push rod reset spring is sleeved on the rotating shaft, one end of the push rod reset spring is connected with the push rod, and the other end of the push rod reset spring is connected with the pillow frame.
As an improvement, a positioning shaft can be preferably and transversely arranged on the pillow frame in a penetrating mode, a first unlocking block is connected with one end of the positioning shaft in a rotating mode, a second unlocking block is connected with the other end of the positioning shaft in a rotating mode, the unlocking block resetting mechanism comprises a first pressing block spring and a second pressing block spring, the first pressing block spring and the second pressing block spring are respectively sleeved on the positioning shaft in a sleeving mode, one end of the first pressing block spring is connected with the first unlocking block, the other end of the first pressing block spring is connected with a first convex column on the outer wall of the pillow frame, one end of the second pressing block spring is connected with a second unlocking block, and the other end of the second pressing block spring is connected with a second convex column on the outer wall of the pillow frame.
Further improve, unblock piece canceling release mechanical system can preferably still include first briquetting and second briquetting, first briquetting can be connected on the location is epaxial with the second briquetting with rotating, first briquetting pushes up with first unblock piece mutually and touches, first briquetting is connected with first briquetting spring, the second briquetting pushes up with second unblock piece mutually and touches, the second briquetting is connected with second briquetting spring.
As a modification, a wire guide sleeve through which the pulling rope passes may be preferably provided on the top of the side wall of the pillow frame.
Compared with the prior art, the invention has the advantages that: synchronous unlocking and locking of the two sides of the pillow frame are realized through the unlocking blocks on the two sides of the pillow frame, the unlocking transmission structure of the unlocking blocks can keep the stress balance, the deformation condition caused by long-time use of the transmission structure is avoided, and the unlocking and locking of the pillow frame can be smoothly carried out; the unlocking mechanisms are connected with the unlocking blocks on the two sides of the pillow frame, and the unlocking mechanisms are connected with one pull rope, so that the two unlocking blocks can be unlocked simultaneously only by pulling the pull rope once, and the pillow frame unlocking device is simple and labor-saving to operate and high in unlocking efficiency; the unlocking mechanisms are all located in the pillow frame, occupied space is small, the pillow frame can also play a role in protecting the unlocking mechanisms, and service life of the device is prolonged.
Drawings
Fig. 1 is a perspective view of a foldable headrest for an automobile according to an embodiment of the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
FIG. 3 is a perspective view of FIG. 2 with the headrest and attachment housing removed;
FIG. 4 is a perspective view of FIG. 3 at another angle;
FIG. 5 is a perspective view of FIG. 4 at another angle;
FIG. 6 is a perspective view of FIG. 5 at another angle;
FIG. 7 is a cross-sectional view of FIG. 3 with portions of the pillow block and the positioning shaft removed;
FIG. 8 is a cross-sectional view of the pillow frame of FIG. 4 with portions broken away;
FIG. 9 is a cross-sectional view of the pillow block of FIG. 8 with a portion of the pillow block further removed;
FIG. 10 is a perspective view of the connecting rod of FIG. 8 after rotation;
FIG. 11 is an exploded view of the structure of FIG. 3;
fig. 12 is a further exploded view of fig. 11.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 12, the method for manufacturing a foldable headrest for a vehicle of the present embodiment includes the following steps,
firstly, manufacturing a pillow frame 1 capable of fixing a car headrest 6, a connecting rod 2 capable of connecting the pillow frame 1 to a car seat, and rotatably connecting the pillow frame 1 to a cross rod 21 at the top of the connecting rod 2;
secondly, manufacturing a locking mechanism which can position the pillow frame 1 on the cross rod 21 and can unlock the pillow frame 1 when the pull rope 3 is pulled on the pillow frame 1;
thirdly, one end of the pull rope 3 is linked with the locking mechanism, and the other end of the pull rope 3 penetrates through the pillow frame 1 and the connecting rod 2 and extends out of the connecting rod 2;
fourthly, embedding the pillow frame 1 in the connecting shell, and sleeving the automobile headrest 6 on the connecting shell to finish the manufacturing of the automobile folding headrest;
the pillow frame 1 is connected with the middle part of the cross rod 21, the concrete manufacturing method of the locking mechanism is that the cross rods 21 at the two sides of the pillow frame 1 are respectively provided with a limiting block 22, the outer wall of the pillow frame 1 corresponding to the limiting blocks 22 is respectively provided with an unlocking block in a rotatable manner, the unlocking block is connected with an unlocking block resetting mechanism which can enable the unlocking block to be abutted against the corresponding limiting block 22 to position the pillow frame 1, the pillow frame 1 is internally provided with an unlocking mechanism which can synchronously drive the unlocking block to be separated from the corresponding limiting block 22, the unlocking mechanism is connected with the pull rope 3, and the middle part of the cross rod 21 is sleeved with a resetting spring 23 which can enable the pillow frame 1 to rotate relative to the cross rod 21 when the limiting block 22 is separated from the corresponding unlocking block.
The unlocking mechanism comprises a driving body 4, a push rod 5, a connecting rod 51, a swinging rod 52, a first pull rod 53 and a second pull rod 54, wherein the driving body 4 and the push rod 5 are respectively rotatably connected to the pillow frame 1, one end of the driving body 4 is connected with the pull rope 3, the other end of the driving body 4 is in transmission connection with one end of the push rod 5, the middle part of the push rod 5 is connected with a rotating shaft 50, a push rod resetting mechanism is arranged on the rotating shaft 50, one end of the push rod 5 is connected with the connecting rod 51, the other end of the push rod 5 extends out of the pillow frame 1 to be rotatably connected with the first pull rod 53, the first pull rod 53 is connected with a first unlocking block 55, the connecting rod 51 is connected with one end of the swinging rod 52, the other end of the swinging rod 52 extends out of the pillow frame 1 to be connected with the second pull rod 54, and the second pull rod 54 is connected with a second unlocking block 56. The driving body 4 is a rotary wheel, and a guide groove into which the rope 3 can be fitted is provided on the circumference of the wheel surface of the rotary wheel. The axle of the rotating wheel is also sleeved with a torsion spring 42 for resetting. One end of the torsion spring 42 is fixed to the rotating wheel, and the other end of the torsion spring 42 is pressed against the rotating shaft 50. A protrusion 41 capable of contacting with the push rod 5 is arranged on the side of the rotating wheel, and the side wall of the protrusion 41 contacting with the push rod 5 is a plane.
The push rod 5 is V-shaped, the rotating wheel is positioned above the rotating shaft 50, the upper end of the push rod 5 is in top contact with the bulge 41, the lower end of the push rod 5 is connected with the first pull rod 53, and the middle part of the push rod 5 is connected with the connecting rod 51. The connecting rod 51 comprises an upper connecting ring, a lower connecting ring and a straight rod, the upper end of the straight rod is fixed with the upper connecting ring, the lower end of the straight rod is fixed with the lower connecting ring, the upper connecting ring is rotatably connected with the middle part of the push rod 5, and the lower connecting ring is rotatably connected with the oscillating rod 52. The push rod reset mechanism is a push rod reset spring 57, the push rod reset spring 57 is sleeved on the rotating shaft 50, one end of the push rod reset spring 57 is connected with the push rod 5, and the other end of the push rod reset spring 57 is connected with the pillow frame 1.
Transversely worn to have put location axle 11 on pillow frame 1, first unblock piece 55 rotates with the one end of location axle 11 and is connected, second unblock piece 56 rotates with the other end of location axle 11 and is connected, unblock piece canceling release mechanical system includes first briquetting spring 12 and second briquetting spring 13, first briquetting spring 12 and second briquetting spring 13 overlap respectively on location axle 11, the one end of first briquetting spring 12 is connected with first unblock piece 55, the other end of first briquetting spring 12 is connected with first projection 14 on the pillow frame 1 outer wall, the one end of second briquetting spring 13 is connected with second unblock piece 56, the other end of second briquetting spring 13 is connected with second projection 15 on the pillow frame outer wall. The first unlocking piece 55 and the corresponding stopper 22 are provided with a notch at the abutting position, and the notch can be buckled on the sharp corner of the corresponding stopper 22. The second unlocking piece 56 is also provided with a notch at the abutting position. The unlocking block resetting mechanism further comprises a first pressing block 16 and a second pressing block 17, the first pressing block 16 and the second pressing block 17 can be rotatably connected to the positioning shaft 11, the first pressing block 16 is in abutting contact with the first unlocking block 55, the first pressing block 16 is connected with the first pressing block spring 12, the second pressing block 17 is in abutting contact with the second unlocking block 56, and the second pressing block 17 is connected with the second pressing block spring 13.
A wire sleeve 10 is arranged on the top of the side wall of the pillow frame 1, and the pull rope 3 penetrates through the wire sleeve 10.
The working principle is as follows: the rotating wheel rotates to drive the push rod to swing by pulling the pull rope, and the push rod drives the first pull rod and the second pull rod to move, so that the first unlocking block and the second unlocking block are pulled to be separated from the corresponding limiting blocks simultaneously, and the pillow frame is reset under the action of the reset spring. And reversely pushing the pillow frame to enable the first unlocking block and the second unlocking block to be buckled with the corresponding limiting blocks, and then positioning the pillow frame again.
Claims (10)
1. A method for manufacturing a folding headrest for an automobile comprises the following steps,
firstly, a pillow frame (1) capable of fixing a car headrest (6) is manufactured, the pillow frame (1) is connected with a connecting rod (2) on a car seat, and the pillow frame (1) is rotatably connected with a cross rod (21) at the top of the connecting rod (2);
secondly, manufacturing a locking mechanism on the pillow frame (1), wherein the locking mechanism can position the pillow frame (1) on the cross rod (21) and can unlock the pillow frame (1) when the pull rope (3) is pulled;
thirdly, one end of the pull rope (3) is linked with the locking mechanism, and the other end of the pull rope (3) penetrates through the pillow frame (1) and the connecting rod (2) and extends out of the connecting rod (2);
fourthly, embedding the pillow frame (1) in a connecting shell, and sleeving the automobile headrest (6) on the connecting shell to finish the manufacturing of the automobile folding headrest;
the method is characterized in that: the pillow frame (1) is connected to the middle of the cross rod (21), the specific manufacturing method of the locking mechanism comprises the steps that limiting blocks (22) are arranged on the cross rods (21) on two sides of the pillow frame (1) respectively, unlocking blocks are arranged on the outer wall of the pillow frame (1) corresponding to the limiting blocks (22) respectively in a rotatable mode, the unlocking blocks are connected with unlocking block reset mechanisms capable of enabling the unlocking blocks to be in top contact with the corresponding limiting blocks (22) to position the pillow frame (1), unlocking mechanisms capable of synchronously driving the unlocking blocks to be separated from the corresponding limiting blocks (22) are arranged in the pillow frame (1), the unlocking mechanisms are connected with pull ropes (3), and reset springs (23) capable of enabling the pillow frame (1) to rotate relative to the cross rods (21) when the limiting blocks (22) are separated from the corresponding unlocking blocks are sleeved in the middle of the cross rod (21).
2. The method of manufacturing according to claim 1, wherein: the unlocking mechanism comprises a driving body (4), a push rod (5), a connecting rod (51), a swing rod (52), a first pull rod (53) and a second pull rod (54), wherein the driving body (4) and the push rod (5) are respectively connected to the pillow frame (1) in a rotatable manner, one end of the driving body (4) is connected with the pull rope (3), the other end of the driving body (4) is connected with one end of the push rod (5) in a transmission manner, the middle part of the push rod (5) is connected with a rotating shaft (50), the rotating shaft (50) is provided with a push rod resetting mechanism, one end of the push rod (5) is connected with the connecting rod (51), the other end of the push rod (5) extends out of the pillow frame (1) to be connected with the first pull rod (53) in a rotatable manner, the first pull rod (53) is connected with a first unlocking block (55), and the connecting rod (51) is connected with one end of the swing rod (52), the other end of the swinging rod (52) extends out of the pillow frame (1) and is connected with a second pull rod (54), and the second pull rod (54) is connected with a second unlocking block (56).
3. The method of manufacturing according to claim 2, wherein: the driving body (4) is a rotating wheel, and a guide groove capable of being embedded into the pull rope (3) is formed in the circumference of the wheel surface of the rotating wheel.
4. The method of manufacturing according to claim 3, wherein: the side part of the rotating wheel is provided with a bulge (41) which can be contacted with the push rod (5), and the side wall of the bulge (41) contacted with the push rod (5) is a plane.
5. The method of manufacturing according to claim 4, wherein: the push rod (5) is V-shaped, the rotating wheel is located above the rotating shaft (50), the upper end of the push rod (5) is in contact with the protrusion (41) in a propping mode, the lower end of the push rod (5) is connected with the first pull rod (53), and the middle of the push rod (5) is connected with the connecting rod (51).
6. The method of manufacturing according to claim 5, wherein: the connecting rod (51) comprises an upper connecting ring, a lower connecting ring and a straight rod, the upper end of the straight rod is fixed with the upper connecting ring, the lower end of the straight rod is fixed with the lower connecting ring, the upper connecting ring is rotatably connected with the middle of the push rod (5), and the lower connecting ring is rotatably connected with the oscillating rod (52).
7. The manufacturing method according to any one of claims 2 to 6, characterized in that: the push rod reset mechanism is a push rod reset spring (57), the push rod reset spring (57) is sleeved on the rotating shaft (50), one end of the push rod reset spring (57) is connected with the push rod (5), and the other end of the push rod reset spring (57) is connected with the pillow frame (1).
8. The manufacturing method according to any one of claims 2 to 6, characterized in that: the pillow frame is characterized in that a positioning shaft (11) transversely penetrates through the pillow frame (1), a first unlocking block (55) is rotatably connected with one end of the positioning shaft (11), a second unlocking block (56) is rotatably connected with the other end of the positioning shaft (11), the unlocking block resetting mechanism comprises a first pressing block spring (12) and a second pressing block spring (13), the first pressing block spring (12) and the second pressing block spring (13) are respectively sleeved on the positioning shaft (11), one end of the first pressing block spring (12) is connected with the first unlocking block (55), the other end of the first pressing block spring (12) is connected with a first convex column (14) on the outer wall of the pillow frame (1), one end of the second pressing block spring (13) is connected with the second unlocking block (56), and the other end of the second pressing block spring (13) is connected with a second convex column (15) on the outer wall of the pillow frame.
9. The method of manufacturing according to claim 8, wherein: the unlocking block resetting mechanism further comprises a first pressing block (16) and a second pressing block (17), the first pressing block (16) and the second pressing block (17) can be rotatably connected to the positioning shaft (11), the first pressing block (16) is in mutual abutting contact with the first unlocking block (55), the first pressing block (16) is connected with a first pressing block spring (12), the second pressing block (17) is in mutual abutting contact with the second unlocking block (56), and the second pressing block (17) is connected with a second pressing block spring (13).
10. The manufacturing method according to any one of claims 1 to 6, characterized in that: the top of the side wall of the pillow frame (1) is provided with a wire guide sleeve (10), and the pull rope (3) penetrates through the wire guide sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155552.4A CN114407746B (en) | 2022-02-21 | 2022-02-21 | Manufacturing method of automobile folding headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210155552.4A CN114407746B (en) | 2022-02-21 | 2022-02-21 | Manufacturing method of automobile folding headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114407746A true CN114407746A (en) | 2022-04-29 |
| CN114407746B CN114407746B (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210155552.4A Active CN114407746B (en) | 2022-02-21 | 2022-02-21 | Manufacturing method of automobile folding headrest |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001500A1 (en) * | 2004-03-19 | 2007-01-04 | Alfmeier Prazision Ag Baugruppen Und Systemlosungen | Vehicle seat with a pivotally installed headrest |
| TWM457776U (en) * | 2013-03-14 | 2013-07-21 | Chance Most Entpr Corp | Electric door of electromagnetic wave isolation room |
| CN105102264A (en) * | 2013-02-20 | 2015-11-25 | 牛步科技有限公司 | Headrest moving device |
| CN205554278U (en) * | 2016-03-29 | 2016-09-07 | 好孩子儿童用品有限公司 | Child cart |
| CN207241513U (en) * | 2017-09-08 | 2018-04-17 | 广州名博汽车零部件有限公司 | A kind of foldable head restraint |
| CN111452691A (en) * | 2020-05-14 | 2020-07-28 | 舟山市银岱汽车零部件有限公司 | Foldable headrest with pull rope |
| CN212353718U (en) * | 2020-05-14 | 2021-01-15 | 舟山市银岱汽车零部件有限公司 | Foldable automobile headrest |
| DE102019220618A1 (en) * | 2019-12-30 | 2021-07-01 | Lear Corporation | HEADREST WITH FOLDING ASSEMBLY |
-
2022
- 2022-02-21 CN CN202210155552.4A patent/CN114407746B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001500A1 (en) * | 2004-03-19 | 2007-01-04 | Alfmeier Prazision Ag Baugruppen Und Systemlosungen | Vehicle seat with a pivotally installed headrest |
| CN105102264A (en) * | 2013-02-20 | 2015-11-25 | 牛步科技有限公司 | Headrest moving device |
| TWM457776U (en) * | 2013-03-14 | 2013-07-21 | Chance Most Entpr Corp | Electric door of electromagnetic wave isolation room |
| CN205554278U (en) * | 2016-03-29 | 2016-09-07 | 好孩子儿童用品有限公司 | Child cart |
| CN207241513U (en) * | 2017-09-08 | 2018-04-17 | 广州名博汽车零部件有限公司 | A kind of foldable head restraint |
| DE102019220618A1 (en) * | 2019-12-30 | 2021-07-01 | Lear Corporation | HEADREST WITH FOLDING ASSEMBLY |
| CN111452691A (en) * | 2020-05-14 | 2020-07-28 | 舟山市银岱汽车零部件有限公司 | Foldable headrest with pull rope |
| CN212353718U (en) * | 2020-05-14 | 2021-01-15 | 舟山市银岱汽车零部件有限公司 | Foldable automobile headrest |
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| CN114407746B (en) | 2022-11-29 |
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