CN106274579B - The rotation control means of chair headrest - Google Patents
The rotation control means of chair headrest Download PDFInfo
- Publication number
- CN106274579B CN106274579B CN201610819738.XA CN201610819738A CN106274579B CN 106274579 B CN106274579 B CN 106274579B CN 201610819738 A CN201610819738 A CN 201610819738A CN 106274579 B CN106274579 B CN 106274579B
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- locating piece
- horizontal axis
- rotation
- pillow
- torsional spring
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Abstract
A kind of rotation control means of chair headrest,Including resting the head on frame,Energy dismountable type is set to the pillow bar of seat tops,The pillow frame is arranged on the top horizontal axis of pillow bar with being able to rotate,The first locating piece is fixed on the horizontal axis of top,It rests the head in the inner wall of frame be provided with the second locating piece with being able to rotate,Second locating piece is movably connected with the first locating piece and connects,The center of rotation of second locating piece is connected with one end of rotation axis,The other end of rotation axis stretches out pillow frame and is connected with third locating piece,The top of third locating piece contacts on the first supporting surface or the second supporting surface of the 4th locating piece,4th locating piece is arranged on the horizontal axis of top with being able to rotate,First supporting surface to top horizontal axis axle center distance less than the second supporting surface to the distance in top horizontal axis axle center,The side of 4th locating piece is provided with the control device for pivoting of control the 4th locating piece rotation,The first torsional spring is equipped on the horizontal axis of top,The second torsional spring is equipped in the rotation axis.It the advantage is that：Rotation is convenient, long service life.
Description
Technical field
The present invention relates to automotive seat manufacture technology field, a kind of especially rotation control means of chair headrest.
Background technique
A kind of existing Patent No. CN201210153491.4 is entitled《A kind of automotive seat head foldable with bracing wire
Pillow》Chinese invention patent disclose a kind of car seat headrest foldable with bracing wire.It includes left ear cover board, auris dextra lid
Plate, trigger mechanism, transmission mechanism, rotating mechanism, the trigger mechanism are made of connecting plate, bracing wire, the upper half of the connecting plate
Part is the plate that is connected and fixed for being parallel to auris dextra cover board, and the lower half portion of connecting plate is bracing wire connecting plate, the bracing wire connecting plate
Place plane is fixed on the right end of transmission shaft and is located at the right side perpendicular to the plane where being connected and fixed plate, the plate that is connected and fixed
The right side of ear cover board, the upper end of the bracing wire are fixed on bracing wire connecting plate.The advantages of invention is：It is easy to operate, safely may be used
It leans on；By pulling bracing wire that can make headrest auto-folder backward, it is returned to original position with hand operation, completes the ideal functionality folded；
The ergonomics fully considered, when the invention headrest be located at back seat on when seat fold when, not with front-row seats
Interference makes full use of space；The sight for avoiding influencing backsight, makes person for driving a car's more secure and reliable.However, the bracing wire of the headrest makes
It is short with the service life, it is easily damaged, structure is complicated for headrest, and use is not convenient enough, therefore the structure of the headrest also needs to be further improved.
Summary of the invention
It is convenient the technical problem to be solved by the present invention is to provide a kind of rotation for above-mentioned state of the art, it uses
The rotation control means of the chair headrest of service life length.
The present invention solves technical solution used by above-mentioned technical problem：The rotation control means of this chair headrest, packet
The pillow frame being fixed in chair headrest can be set by including, and energy dismountable type is set to the pillow bar of seat tops, and the pillow frame is able to rotate ground
It is arranged on the top horizontal axis of pillow bar, it is characterised in that：The first locating piece is fixed on the top horizontal axis, it is described to rest the head on the interior of frame
It is provided with the second locating piece with being able to rotate in wall, second locating piece is movably connected with the first locating piece to be connect, and described second is fixed
The center of rotation of position block is connected with one end of rotation axis, and the other end of the rotation axis stretches out pillow frame and is connected with third locating piece
It connects, the top of the third locating piece contacts on the first supporting surface or the second supporting surface of the 4th locating piece, and the described 4th is fixed
Position block is arranged on the horizontal axis of top with being able to rotate, and the distance of first supporting surface to top horizontal axis axle center is less than the second supporting surface
To the distance in top horizontal axis axle center, the side of the 4th locating piece is provided with the rotation control dress of control the 4th locating piece rotation
It sets, the first torsional spring for being able to maintain pillow frame rotary state forward is equipped on the top horizontal axis, is equipped with energy in the rotation axis
Third locating piece is kept to contact the second torsional spring on the 4th locating piece.
As an improvement, the specific structure of the control device for pivoting is：The one side of 4th locating piece is connected with control
Clamp dog, the control block are arranged on the horizontal axis of top and the 4th locating piece can be driven to rotate synchronously with being able to rotate, the control block
It is mutually fixed with one end of drawstring, when pulling the other end of drawstring, the control block rotates backward and make the of the 4th locating piece
The top of two supporting surfaces and third locating piece mutually contacts, and the another side of the 4th locating piece is provided with to be pulled backward through drawstring
The resetting apparatus of initial position is returned to after rotation.
It being further improved, the resetting apparatus is preferably third torsional spring, and the third torsional spring is nested on the horizontal axis of top,
One end of the third torsional spring is mutually fixed with pillow frame side wall, and the other end of the third torsional spring is inserted into the fixation hole of the 4th locating piece
In and mutually fixed with the 4th locating piece.
It is further improved, annular groove is preferably provided on the side wall of the control block, the drawstring is embedded in annular
In groove, one end of the drawstring is fixed on a control block by set screw, and the other end of the drawstring penetrates at the top of pillow bar
It is open and extends pillow bar from the bottom of pillow bar.
As an improvement, the pillow frame includes left stretcher body and right stretcher body, pass through connection at the top of the left stretcher body and right stretcher body
Bar is fixed together.
It is further improved, the lower part of the right stretcher body is preferably provided with limiting through hole, the bottom of first locating piece
The locating piece protrusion on the side wall of limiting through hole can be contacted when resting the head on frame and rotating backward by being provided with.
Be further improved, be preferably connected with limit cross bar between the left stretcher body and right stretcher body, the limit cross bar and
The end that right stretcher body mutually fixes side is provided with limited block, when resting the head on frame and rotating forward, the limited block and the first locating piece
Side surface mutually contacts.
It is further improved, it is radial in the rotation axis to be preferably plugged with the first bolt, one end top of second torsional spring
Touching is on the body of rod of the first bolt, and the other end of second torsional spring is in the card slot of right pillow frame.
It being further improved, one end of first torsional spring preferably contacts on the recess portion of the first locating piece, and described first
The other end of torsional spring contacts on the inner wall of left stretcher body.
It is further improved, is preferably provided with lug boss on the inner sidewall of the left stretcher body, is provided on the lug boss
With respect to two scalloped recess of 180 ° of settings, it is arranged radially the second bolt on the top horizontal axis, second bolt is set
In two scalloped recess, when pillow frame rotates backward, the top and lower part of second bolt are contacted respectively in top sector
On the upper side wall of groove and the lower wall of lower part scalloped recess, when pillow frame rotates forward, the top of second bolt is under
Portion is contacted respectively in the lower wall of top scalloped recess and the upper side wall of lower part scalloped recess.
Compared with prior art, the present invention changes the 4th locating piece by rotation control block and arrives with the third locating piece place of contacting
The distance in top horizontal axis axle center, achieve the purpose that the second locating piece be detached from the first locating piece, due to third locating piece top from
It is more smooth that first supporting surface of the 4th locating piece moves to the second supporting surface process, therefore, is avoided that rotation clamping stagnation.It is more suitable
Realize that the rotation of pillow frame, use are very convenient sharply；Further, since the second locating piece and third locating piece are located at the two of rotation axis
End rotates synchronously, therefore rests the head on frame during rotation, and left and right stress more balances, stability of rotation, also therefore extends rotation control
The service life of structure processed.
Detailed description of the invention
Fig. 1 is the perspective view of the embodiment of the present invention；
Fig. 2 is the front projection figure of Fig. 1；
Fig. 3 is the sectional view in Fig. 2 along line A-A；
Fig. 4 is the sectional view in Fig. 2 along line B-B；
Fig. 5 is the structural exploded view of Fig. 1；
Fig. 6 is the further structural exploded view of Fig. 5；
Fig. 7 is the perspective view rested the head on after frame rotation in Fig. 1；
Fig. 8 is the front projection figure of Fig. 7；
Fig. 9 is the sectional view in Fig. 8 along line C-C；
Figure 10 is the sectional view in Fig. 8 along line D-D.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 10, the rotation control means of the chair headrest of the present embodiment, including can set and be fixed on seat
Pillow frame 5 in headrest, energy dismountable type are set to the pillow bar 6 of seat tops, and the top of pillow bar 6 is arranged in the pillow frame 5 with being able to rotate
On portion's horizontal axis 61, it is fixed with the first locating piece 1 on the top horizontal axis 61, is provided with being able to rotate in the inner wall of the pillow frame 5
Second locating piece 2, second locating piece 2 are movably connected with the first locating piece 1 and connect, the center of rotation of second locating piece 2
It is connected with one end of rotation axis 21, the other end of the rotation axis 21 stretches out pillow frame 5 and is connected with third locating piece 3, described
The top of third locating piece 3 contacts on the first supporting surface 41 or the second supporting surface 42 of the 4th locating piece 4, the 4th positioning
Block 4 is arranged on top horizontal axis 61 with being able to rotate, and the distance of first supporting surface 41 to 61 axle center of top horizontal axis is less than second
Supporting surface 42 arrives the distance in 61 axle center of top horizontal axis, and the side of the 4th locating piece 4 is provided with control the 4th locating piece 4 rotation
Control device for pivoting, when the top of third locating piece 3 contacts on the first supporting surface 41 of the 4th locating piece 4, described
Two locating pieces 2 are buckled in the limiting slot 11 of the first locating piece 1, when the top of third locating piece 3 is contacted in the 4th locating piece 4
When on the second supporting surface 42, the top of second locating piece 2 is contacted on the side surface of the first locating piece 1, and the top is horizontal
It is equipped with the first torsional spring 51 for being able to maintain pillow frame 5 rotary state forward on axis 61, is equipped in the rotation axis 21 and is able to maintain the
Three locating pieces 3 contact the second torsional spring 23 on the 4th locating piece 4.
The specific structure of control device for pivoting is：The one side of 4th locating piece 4 is connected with control block 43, the control
Clamp dog 43 is arranged on top horizontal axis 61 and the 4th locating piece 4 can be driven to rotate synchronously with being able to rotate, the control block 43 and drawing
One end of rope 44 is mutually fixed, and when pulling the other end of drawstring 44, the control block 43 rotates backward and makes the 4th locating piece 4
The top of second supporting surface 42 and third locating piece 3 mutually contacts, and the another side of the 4th locating piece 4 is provided with through drawstring 44
Pull the resetting apparatus that initial position is returned to after rotating backward.Resetting apparatus is third torsional spring 45,45 sets of the third torsional spring
It sets on top horizontal axis 61, one end and pillow 5 side wall of frame of the third torsional spring 45 are mutually fixed, the other end of the third torsional spring 45
It is inserted into the fixation hole of the 4th locating piece 4 and is fixed with 4 phase of the 4th locating piece.Annular is provided on the side wall of the control block 43
Groove 46, for the drawstring 44 in annular groove 46, one end of the drawstring 44 is fixed on control by set screw 47
On block 43, the other end of the drawstring 44 penetrates pillow bar top opening and extends pillow bar 6 from the bottom of pillow bar 6.
Resting the head on frame 5 includes left stretcher body 52 and right stretcher body 53, and the top of the left stretcher body 52 and right stretcher body 53 passes through connecting rod 54
Be fixed together, the lower part of right stretcher body 53 is provided with limiting through hole, the bottom of first locating piece 1 be provided with when pillow frame 5 to
The locating piece protrusion 12 on the side wall of limiting through hole can be contacted when rotating afterwards.It is connected between left stretcher body 52 and right stretcher body 53 limited
The end of position cross bar 56, the limit cross bar 56 and the fixed side of 53 phase of right stretcher body is provided with limited block 57, when resting the head on frame 5 to forward
When dynamic, the side surface of the limited block 57 and the first locating piece 1 is mutually contacted.The first bolt 22 is radially plugged in rotation axis 21,
One end of second torsional spring 23 contacts on the body of rod of the first bolt 22, and the other end of second torsional spring 23 is embedded in right pillow
In the card slot 58 of frame 53.One end of first torsional spring 51 contacts on the recess portion of the first locating piece 1, first torsional spring 51 it is another
End contacts on the inner wall of left stretcher body 52.It is provided with lug boss on the inner sidewall of left stretcher body 52, is provided with phase on the lug boss
To two scalloped recess of 180 ° of settings, the second bolt 62, second bolt 62 have been arranged radially on the top horizontal axis 61
In two scalloped recess, when pillow frame 5 rotates backward, the top and lower part of second bolt 62 are contacted respectively upper
On the upper side wall of portion's scalloped recess 59 and the lower wall of lower part scalloped recess 50, when pillow frame 5 rotates forward, second bolt
62 top and lower part are contacted respectively in the lower wall of top scalloped recess 59 and the upper side wall of lower part scalloped recess 50.
Working principle：One end of drawstring is pulled, drawstring drives control block to rotate backward, and the 4th locating piece model- following control block is same
Step rotation, since the distance of the first supporting surface to top horizontal axis axle center is less than the second supporting surface to the distance in top horizontal axis axle center,
Third locating piece rotates backward and the second locating piece is driven to synchronize and rotates backward, and the second locating piece is separated with the first locating piece,
Pillow frame rotates forward under the action of the first torsional spring；Pillow frame is pushed to rotate backward, then the top heavy of the second locating piece is newly caught in the
In the limiting slot of a positioning block, the rotation of pillow frame is completed.
Claims (10)
1. a kind of rotation control means of chair headrest can dismountable type including that can set the pillow frame (5) being fixed in chair headrest
It is set to the pillow bar (6) of seat tops, pillow frame (5) is arranged on the top horizontal axis (61) of pillow bar (6) with being able to rotate, special
Sign is：It is fixed with the first locating piece (1) on the top horizontal axis (61), is arranged with being able to rotate in the inner wall of pillow frame (5)
Have the second locating piece (2), second locating piece (2) is movably connected with the first locating piece (1) to be connect, second locating piece (2)
Center of rotation be connected with one end of rotation axis (21), the other end of the rotation axis (21) stretches out pillow frame (5) and third is fixed
Position block (3) is connected, and the top of the third locating piece (3) is contacted in the first supporting surface (41) of the 4th locating piece (4) or the
On two supporting surfaces (42), the 4th locating piece (4) is arranged on top horizontal axis (61) with being able to rotate, first supporting surface
(41) distance to top horizontal axis (61) axle center arrives less than the second supporting surface (42) distance in top horizontal axis (61) axle center, and described the
The side of four locating pieces (4), which is provided with, controls the control device for pivoting that the 4th locating piece (4) rotates, on the top horizontal axis (61)
It is equipped with the first torsional spring (51) for being able to maintain pillow frame (5) rotary state forward, is equipped on the rotation axis (21) and is able to maintain the
Three locating pieces (3) contact the second torsional spring (23) on the 4th locating piece (4).
2. rotation control means according to claim 1, it is characterised in that：The specific structure of the control device for pivoting
For：The one side of 4th locating piece (4) is connected with control block (43), and top is arranged in being able to rotate in the control block (43)
On horizontal axis (61) and the 4th locating piece (4) can be driven to rotate synchronously, the control block (43) and one end of drawstring (44) are mutually fixed,
When pulling the other end of drawstring (44), the control block (43) rotates backward and makes the second supporting surface of the 4th locating piece (4)
(42) top with third locating piece (3) mutually contacts, and the another side of the 4th locating piece (4) is provided with draws through drawstring (44)
Move the resetting apparatus that initial position is returned to after rotating backward.
3. rotation control means according to claim 2, it is characterised in that：The resetting apparatus is third torsional spring (45),
The third torsional spring (45) is nested on top horizontal axis (61), and one end of the third torsional spring (45) and pillow frame (5) side wall are mutually solid
It is fixed, the other end of the third torsional spring (45) be inserted into the 4th locating piece (4) and fixation hole in it is mutually solid with the 4th locating piece (4)
It is fixed.
4. rotation control means according to claim 3, it is characterised in that：It is provided on the side wall of the control block (43)
Annular groove (46), for the drawstring (44) in annular groove (46), one end of the drawstring (44) passes through set screw
(47) be fixed on control block (43), the other end of the drawstring (44) penetrate pillow bar top opening and from pillow bar (6) bottom
Extend pillow bar (6).
5. rotation control means according to any one of claims 1 to 4, it is characterised in that：The pillow frame (5) includes left stretcher body
(52) it is fixed together with right stretcher body (53), the left stretcher body (52) and the top of right stretcher body (53) by connecting rod (54).
6. rotation control means according to claim 5, it is characterised in that：The lower part setting of the right stretcher body (53) is limited
Position through-hole, the bottom of first locating piece (1) are provided with the side wall that can be contacted when resting the head on frame (5) and rotating backward in limiting through hole
On locating piece protrusion (12).
7. rotation control means according to claim 6, it is characterised in that：The left stretcher body (52) and right stretcher body (53) it
Between be connected with limit cross bar (56), the end of limit cross bar (56) and right stretcher body (53) mutually fixed side is provided with limited block
(57), when pillow frame (5) rotates forward, the limited block (57) and the side surface of the first locating piece (1) are mutually contacted.
8. rotation control means according to claim 5, it is characterised in that：Is radially plugged on the rotation axis (21)
One end of one bolt (22), second torsional spring (23) contacts on the body of rod of the first bolt (22), second torsional spring (23)
The other end embedded in right stretcher body (53) card slot (58) in.
9. rotation control means according to claim 5, it is characterised in that：One end of first torsional spring (51) contacts
On the recess portion of first locating piece (1), the other end of first torsional spring (51) is contacted on the inner wall of left stretcher body (52).
10. rotation control means according to claim 5, it is characterised in that：It is set on the inner sidewall of the left stretcher body (52)
It is equipped with lug boss, two scalloped recess of opposite 180 ° of settings, diameter on the top horizontal axis (61) are provided on the lug boss
To being provided with the second bolt (62), second bolt (62) is in two scalloped recess, when pillow frame (5) rotates backward
When, it is recessed that the top of second bolt (62) contacts upper side wall and lower part sector in top scalloped recess (59) with lower part respectively
In the lower wall of slot (50), when pillow frame (5) rotates forward, the top and lower part of second bolt (62) are contacted respectively upper
In the lower wall of portion's scalloped recess (59) and the upper side wall of lower part scalloped recess (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819738.XA CN106274579B (en) | 2016-08-29 | 2016-08-29 | The rotation control means of chair headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610819738.XA CN106274579B (en) | 2016-08-29 | 2016-08-29 | The rotation control means of chair headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106274579A CN106274579A (en) | 2017-01-04 |
| CN106274579B true CN106274579B (en) | 2018-11-27 |
Family
ID=57710710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610819738.XA Active CN106274579B (en) | 2016-08-29 | 2016-08-29 | The rotation control means of chair headrest |
Country Status (1)
| Country | Link |
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| CN (1) | CN106274579B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108016338A (en) * | 2017-11-29 | 2018-05-11 | 延锋安道拓座椅有限公司 | A kind of switching mechanism |
| EP3552875A1 (en) * | 2018-04-10 | 2019-10-16 | Grammer Ag | Headrest |
| CN111452692B (en) * | 2020-05-14 | 2022-04-12 | 舟山市银岱汽车零部件有限公司 | Manufacturing method of supporting device of automobile headrest |
| CN111452690B (en) * | 2020-05-14 | 2023-09-01 | 舟山市银岱汽车零部件有限公司 | Supporting device of automobile headrest |
| CN112659990B (en) * | 2020-12-28 | 2022-07-05 | 浙江合众新能源汽车有限公司 | Driver seat adjusting system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202480920U (en) * | 2012-03-13 | 2012-10-10 | 上海岱美汽车内饰件股份有限公司 | Foldable automobile seat headrest with buttons |
| CN202528879U (en) * | 2012-04-24 | 2012-11-14 | 上海岱美汽车内饰件股份有限公司 | Automobile seat headrest provided with button function and capable of being folded backwards |
| CN102642490A (en) * | 2012-05-17 | 2012-08-22 | 上海岱美汽车内饰件股份有限公司 | Foldable headrest with pulling line for seats of automobile |
| US9061615B2 (en) * | 2012-12-13 | 2015-06-23 | Daimay North America Automotive, Inc. | Folding headrest |
| US9573499B2 (en) * | 2014-03-18 | 2017-02-21 | Bae Industries, Inc. | Headrest dump assembly integrated into a seatback |
| CN204340777U (en) * | 2014-11-26 | 2015-05-20 | 舟山市银岱汽车零部件有限公司 | Car seat headrest |
| CN104433417B (en) * | 2014-12-12 | 2017-01-04 | 重庆宏立至信汽车部件制造有限公司 | The convenient head pillow frame mechanism folded |
| CN206124830U (en) * | 2016-08-29 | 2017-04-26 | 舟山岱美汽车零部件有限公司 | Rotation control structure of seat headrest |
-
2016
- 2016-08-29 CN CN201610819738.XA patent/CN106274579B/en active Active
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| CN106274579A (en) | 2017-01-04 |
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