CN104442488A - Headrest framework folding mechanism - Google Patents
Headrest framework folding mechanism Download PDFInfo
- Publication number
- CN104442488A CN104442488A CN201410768529.8A CN201410768529A CN104442488A CN 104442488 A CN104442488 A CN 104442488A CN 201410768529 A CN201410768529 A CN 201410768529A CN 104442488 A CN104442488 A CN 104442488A
- Authority
- CN
- China
- Prior art keywords
- folding
- headrest
- plate
- spring
- support
- 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.)
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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
Abstract
The invention discloses a headrest framework folding mechanism which comprises headrest rods, a headrest support, a folding rotary shaft, a fixing plate, a folding button, a headrest base framework, an unlocking support, a locking plate, an unlocking rotary shaft and a linkage pin. A button return spring is compressed by the folding button when a user presses the folding button, the unlocking support is pushed by a tip of the folding button to rotate around the axis of a mounting column, acting force is applied to a reset spring of the unlocking support, the linkage pin is simultaneously pushed by an unlocking shifting plate to upwardly move along a strip-shaped groove, drives the locking plate to rotate around the unlocking rotary shaft and applies acting force to a return spring of the locking plate, a locking portion of the locking plate is ultimately withdrawn from a locking notch of the fixing plate, accordingly, unlocking effects can be realized, the headrest support can rotate around the folding rotary shaft under the effect of external force, and a headrest framework can be folded. The headrest framework folding mechanism has the advantages of simple structure, few components, compact structure and low manufacturing cost.
Description
Technical field
The present invention relates to chair headrest technical field, being specifically related to a kind of for realizing the folding mechanism of chair headrest.
Background technology
Seat headrest framework is made up of headrest support, two head rest poles, folding rotary shaft and headrest base skeleton usually, headrest base skeleton covers on headrest support, headrest support becomes " n " shape by steel plate bending, and the two ends of headrest support are hinged on folding rotary shaft with the head rest pole of respective side respectively.Headrest base skeleton adopts EPP rigid foam to make usually.The usual complex structure of existing head pillow frame fold mechanism, number of parts is many, and take up room large, manufacturing cost is high.
Summary of the invention
The present invention is directed to above-mentioned technical matters to improve, intend providing that a kind of structure is simple, number of parts is few, compact conformation and the head pillow frame fold mechanism of low cost of manufacture.
For this reason, the technical solution adopted in the present invention is: a kind of head pillow frame fold mechanism, comprise two head rest poles (1), the headrest support (2) of " n " shape, folding rotary shaft (3) and headrest base skeleton (6), described headrest base skeleton (6) covers on headrest support (2), the two ends of headrest support (2) are hinged on folding rotary shaft (3) with the head rest pole (1) of respective side respectively, it is characterized in that: also comprise adapter plate (4), folding button (5), separate lock support (7), locking plate (8), button pull back spring (9), locking plate pull back spring (10), unlock rotating shaft (11), set bar (12), folding spring (13), separate lock support retracing spring (14), described adapter plate (4) is welded on the flattening portion, upper end of a wherein described head rest pole (1), and be arranged on folding rotary shaft (3) by this adapter plate (4), described folding spring (13) is sleeved on folding rotary shaft (3), the two ends of described unblock rotating shaft (11) are arranged on the two side of headrest support (2) respectively, and be positioned at the top of folding rotary shaft (3),
Described button pull back spring (9) is sleeved on the bar portion of folding button (5), be against on the upper end sidewall of described solution lock support (7) after the bar portion folding button (5) passes perpendicularly through the sidewall of the sidewall of headrest base skeleton (6), headrest support (2), lower end reconciliation lock support retracing spring (14) of separating lock support (7) is sleeved on the erection column (6a) of headrest base skeleton (6) successively, described locking plate (8) and locking plate pull back spring (10) are sleeved on and unlock in rotating shaft (11), the lower end of locking plate (8) is provided with lock part and stretches in locking breach that adapter plate (4) upper end correspondence arranges and carry out locking, described headrest support (2) also offers the bar-shaped trough (2a) of downward-extension, described set bar (12) is arranged on locking plate (8), set bar (12) stretches in bar-shaped trough (2a), separate on lock support (7) and be provided with unblock plate (7a), described unblock plate (7a) is positioned at the below of set bar (12),
When pressing folding button (5), folding button (5) compression button pull back spring (9), the termination of folding button (5) promotes to separate lock support (7) and rotates around the axis of erection column (6a), and apply application force to solution lock support retracing spring (14), unlock plate (7a) to promote set bar (12) and move up along bar-shaped trough (2a) simultaneously, set bar (12) drives locking plate (8) rotate around unblock rotating shaft (11) and apply application force to locking plate pull back spring (10), the lock part of locking plate (8) is finally made to exit from the locking breach of adapter plate (4), thus realize unlocking, now, headrest support (2) can be made to realize head pillow frame around folding rotary shaft (3) rotation by External Force Acting to fold.
Be preferably, described locking plate pull back spring (10), folding spring (13), solution lock support retracing spring (14) are torsion spring, one end of described locking plate pull back spring (10) hangs over set bar (12), the other end hangs on adapter plate (4), one end of described folding spring (13) hangs over and unlocks in rotating shaft (11), the other end hangs on headrest support (2), one end of described solution lock support retracing spring (14) hangs on headrest base skeleton (6), and the other end hangs over to be separated on lock support (7).Ingeniously utilize each spring of space mounting, optimize distribution, make integral structure more compact.
Described set bar (12) adopts scrollwork spring to make, and locking plate (8) is provided with the pin-and-hole inserted for set bar (12), scrollwork spring wrap can install in rear direct insertion pin-and-hole fixing.Scrollwork spring utilizes the spring force of self to be fixed in pin-and-hole, compares traditional pin and installs, eliminate welding process, and can ensure the fastness of installation.
Folding rotary shaft (3) installs fixing also anti-rotation with head rest pole (1) by kidney-shaped cross section, in folding rotary shaft (3) and the hinge hole of headrest support (2), lining (15) is housed.Adopt plastic bushing, when metal and metallic contact can be avoided to rotate, produce abnormal sound, improve the traveling comfort taken.
Except the upper end of the head rest pole (1) welded with described adapter plate (4) adopts flaser texture, the upper end of another root head rest pole (1) also adopts flaser texture, this flattening portion is welded with stay bearing plate (16), and is arranged on folding rotary shaft (3) by stay bearing plate (16).
Described unblock plate (7a) adopts steel plate integrated punching to form with solution lock support (7), on described solution lock support (7), just the thickness at the tip position place of folding button (5) is greater than to the thickness at all the other positions of plate body.
The bar portion sidewall of described folding button (5) is provided with circumferentially uniform anti-rotation tenon (5a), guarantees that folding button can only move axially, can not rotate.
Beneficial effect of the present invention: novel, design ingenious, compact conformation, space layout is reasonable, number of parts is few, correspondingly reduces manufacturing cost, simplifies installation.
Accompanying drawing explanation
Fig. 1 is axonometric drawing one of the present invention.
Fig. 2 is axonometric drawing two (not being with headrest base skeleton) of the present invention.
Fig. 3 is axonometric drawing three (not being with headrest base skeleton) of the present invention.
Fig. 4 is axonometric drawing four (be not with headrest base skeleton and unlock rotating shaft) of the present invention.
Fig. 5 is axonometric drawing five (not being with headrest base skeleton and head rest pole) of the present invention.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
Composition graphs 1---shown in Fig. 4, a kind of head pillow frame fold mechanism, primarily of head rest pole 1, " n " shape headrest support 2, folding rotary shaft 3, adapter plate 4, folding button 5, headrest base skeleton 6, separate lock support 7, locking plate 8, button pull back spring 9, locking plate pull back spring 10, unlock rotating shaft 11, set bar 12, folding spring 13, separate the compositions such as lock support retracing spring 14, lining 15, stay bearing plate 16, tightening screw 17.Headrest base skeleton 6 adopts EPP rigid foam to make, and covers on headrest support 2, and is fixed by two tightening screws 17.Headrest support 2 adopts steel plate punched to form, and overall in " n " shape, the two ends of headrest support 2 are hinged on folding rotary shaft 3 with the head rest pole 1 of respective side respectively.
Adapter plate 4 is welded on the flattening portion, upper end of a wherein head rest pole 1, and is arranged on folding rotary shaft 3 by this adapter plate 4.Except the upper end of the head rest pole 1 welded with adapter plate 4 adopts flaser texture, the upper end of another root head rest pole 1 preferably also adopts flaser texture, this flattening portion is welded with stay bearing plate 16, and is arranged on folding rotary shaft 3 by stay bearing plate 16.Folding spring 13 is sleeved on folding rotary shaft 3, and the two ends unlocking rotating shaft 11 are arranged on the two side of headrest support 2 respectively, and are positioned at the top of folding rotary shaft 3.
Button pull back spring 9 is sleeved on the bar portion of folding button 5, and the termination of folding button 5 is positioned at outside headrest base skeleton 6, and button pull back spring 9 is for the self-return of folding button 5.Be against on the upper end sidewall separating lock support 7 after the bar portion folding button 5 passes perpendicularly through the sidewall of the sidewall of headrest base skeleton 6, headrest support 2.Preferably, the bar portion sidewall of folding button 5 is provided with circumferentially uniform anti-rotation tenon 5a, prevents folding button 5 from rotating.
Separate lock support 7 between the two side of headrest support 2, namely the inner chamber of headrest base skeleton 6 is arranged in, erection column 6a is provided with in the inner chamber of headrest base skeleton 6, the lower end of separating lock support 7 is conciliate lock support retracing spring 14 and is sleeved on successively on the erection column 6a of headrest base skeleton 6, separate lock support 7 can under the spring force effect of separating lock support retracing spring 14 return.
Locking plate 8 and locking plate pull back spring 10 are sleeved on and unlock in rotating shaft 11, locking plate 8 can under the spring force effect of locking plate pull back spring 10 return.The lower end of locking plate 8 is provided with lock part and stretches in locking breach that adapter plate 4 upper end correspondence arranges and carry out locking.Headrest support 2 also offers the bar-shaped trough 2a of downward-extension, set bar 12 is fixedly mounted on locking plate 8, set bar 12 stretches in bar-shaped trough 2a, separate on lock support 7 and be provided with unblock plate 7a for stirring set bar 12 along bar-shaped trough 2a upward movement, unlock the below that plate 7a is positioned at set bar 12.Preferably, set bar 12 adopts scrollwork spring to make, locking plate 8 is provided with for set bar 12 insert pin-and-hole, scrollwork spring wrap can install in rear direct insertion pin-and-hole fixing.Set bar 12 also can adopt common pin, is welded on locking plate 8.
Preferably, unlocking plate 7a adopts steel plate integrated punching to form with solution lock support 7, on solution lock support 7, just the thickness at the tip position place of folding button 5 is being greater than to the thickness at all the other positions of plate body, to increase folding button 5 and the area of contact of separating lock support 7, and improve the bulk strength separating lock support 7.
When pressing folding button 5, folding button 5 compression button pull back spring 9, button pull back spring 9 is cylindrically coiled spring.The termination of folding button 5 promotes to separate lock support 7 and rotates around the axis of erection column 6a, and apply application force to solution lock support retracing spring 14, unlock plate 7a promotion set bar 12 to move up along bar-shaped trough 2a simultaneously, set bar 12 drives locking plate 8 rotate around unblock rotating shaft 11 and apply application force to locking plate pull back spring 10, the lock part of locking plate 8 is finally made to exit from the locking breach of adapter plate 4, thus realize unlocking, now, headrest support 2 can be made to realize head pillow frame around folding rotary shaft 3 rotation by External Force Acting to fold.When needing headrest base skeleton 6 to get back to initial position, headrest base skeleton 6 is promoted backward by External Force Acting, headrest base skeleton 6 is rotated around folding rotary shaft 3 together with headrest support 2, and under the combined action of each pull back spring, the lock part of locking plate 8 comes back in the locking breach of adapter plate 4.
Preferably, locking plate pull back spring 10, folding spring 13, solution lock support retracing spring 14 are torsion spring, one end of locking plate pull back spring 10 hangs over set bar 12, the other end hangs on adapter plate 4, one end of folding spring 13 hangs over and unlocks in rotating shaft 11, the other end hangs on headrest support 2, and the one end of separating lock support retracing spring 14 hangs on headrest base skeleton 6, and the other end hangs over to be separated on lock support 7.
Folding rotary shaft 3 installs fixing also anti-rotation with head rest pole 1 by kidney-shaped cross section, in folding rotary shaft 3 and the hinge hole of headrest support 2, lining 15 is housed.
Claims (7)
1. a head pillow frame fold mechanism, comprises two head rest poles (1), the headrest support (2) of " n " shape, folding rotary shaft (3) and headrest base skeleton (6), described headrest base skeleton (6) covers on headrest support (2), the two ends of headrest support (2) are hinged on folding rotary shaft (3) with the head rest pole (1) of respective side respectively, it is characterized in that: also comprise adapter plate (4), folding button (5), separate lock support (7), locking plate (8), button pull back spring (9), locking plate pull back spring (10), unlock rotating shaft (11), set bar (12), folding spring (13), separate lock support retracing spring (14), described adapter plate (4) is welded on the flattening portion, upper end of a wherein described head rest pole (1), and be arranged on folding rotary shaft (3) by this adapter plate (4), described folding spring (13) is sleeved on folding rotary shaft (3), the two ends of described unblock rotating shaft (11) are arranged on the two side of headrest support (2) respectively, and are positioned at the top of folding rotary shaft (3),
Described button pull back spring (9) is sleeved on the bar portion of folding button (5), be against on the upper end sidewall of described solution lock support (7) after the bar portion folding button (5) passes perpendicularly through the sidewall of the sidewall of headrest base skeleton (6), headrest support (2), lower end reconciliation lock support retracing spring (14) of separating lock support (7) is sleeved on the erection column (6a) of headrest base skeleton (6) successively, described locking plate (8) and locking plate pull back spring (10) are sleeved on and unlock in rotating shaft (11), the lower end of locking plate (8) is provided with lock part and stretches in locking breach that adapter plate (4) upper end correspondence arranges and carry out locking, described headrest support (2) also offers the bar-shaped trough (2a) of downward-extension, described set bar (12) is arranged on locking plate (8), set bar (12) stretches in bar-shaped trough (2a), separate on lock support (7) and be provided with unblock plate (7a), described unblock plate (7a) is positioned at the below of set bar (12),
When pressing folding button (5), folding button (5) compression button pull back spring (9), the termination of folding button (5) promotes to separate lock support (7) and rotates around the axis of erection column (6a), and apply application force to solution lock support retracing spring (14), unlock plate (7a) to promote set bar (12) and move up along bar-shaped trough (2a) simultaneously, set bar (12) drives locking plate (8) rotate around unblock rotating shaft (11) and apply application force to locking plate pull back spring (10), the lock part of locking plate (8) is finally made to exit from the locking breach of adapter plate (4), thus realize unlocking, now, headrest support (2) can be made to realize head pillow frame around folding rotary shaft (3) rotation by External Force Acting to fold.
2. according to head pillow frame fold mechanism according to claim 1, it is characterized in that: described locking plate pull back spring (10), folding spring (13), separate lock support retracing spring (14) and be torsion spring, one end of described locking plate pull back spring (10) hangs over set bar (12), the other end hangs on adapter plate (4), one end of described folding spring (13) hangs over and unlocks in rotating shaft (11), the other end hangs on headrest support (2), one end of described solution lock support retracing spring (14) hangs on headrest base skeleton (6), the other end hangs over to be separated on lock support (7).
3. according to head pillow frame fold mechanism according to claim 1, it is characterized in that: described set bar (12) adopts scrollwork spring to make, locking plate (8) is provided with for set bar (12) pin-and-hole that inserts, scrollwork spring wrap can install in rear direct insertion pin-and-hole fixing.
4. according to head pillow frame fold mechanism according to claim 1, it is characterized in that: described folding rotary shaft (3) installs fixing also anti-rotation with head rest pole (1) by kidney-shaped cross section, in folding rotary shaft (3) and the hinge hole of headrest support (2), lining (15) is housed.
5. according to head pillow frame fold mechanism according to claim 1, it is characterized in that: except the upper end of the head rest pole (1) welded with described adapter plate (4) adopts flaser texture, the upper end of another root head rest pole (1) also adopts flaser texture, this flattening portion is welded with stay bearing plate (16), and is arranged on folding rotary shaft (3) by stay bearing plate (16).
6. according to head pillow frame fold mechanism according to claim 1, it is characterized in that: described unblock plate (7a) adopts steel plate integrated punching to form with solution lock support (7), on described solution lock support (7), just the thickness at the tip position place of folding button (5) is greater than to the thickness at all the other positions of plate body.
7. according to head pillow frame fold mechanism according to claim 1, it is characterized in that: the bar portion sidewall of described folding button (5) is provided with circumferentially uniform anti-rotation tenon (5a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768529.8A CN104442488B (en) | 2014-12-12 | 2014-12-12 | Headrest framework folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410768529.8A CN104442488B (en) | 2014-12-12 | 2014-12-12 | Headrest framework folding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104442488A true CN104442488A (en) | 2015-03-25 |
| CN104442488B CN104442488B (en) | 2017-01-04 |
Family
ID=52889504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410768529.8A Active CN104442488B (en) | 2014-12-12 | 2014-12-12 | Headrest framework folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104442488B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753639A (en) * | 2017-06-23 | 2020-02-04 | 牛步科技有限公司 | Headrest moving device |
| CN114435213A (en) * | 2022-02-15 | 2022-05-06 | 重庆安道拓汽车部件系统有限公司 | Two-gear locking folding headrest |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070152487A1 (en) * | 2004-04-15 | 2007-07-05 | Windsor Machine & Stamping Ltd. | Foldable Headrest Assembly |
| US20080203801A1 (en) * | 2007-02-28 | 2008-08-28 | Lear Corporation | Folding head restraint mechanism |
| JP2008253334A (en) * | 2007-03-31 | 2008-10-23 | T S Tec Kk | Headrest and vehicle seat equipped with this headrest |
| US20100133889A1 (en) * | 2008-11-13 | 2010-06-03 | Bae Industries, Inc. | Pivoting headrest with cable operated release catch |
| 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 |
| US20140210245A1 (en) * | 2013-01-29 | 2014-07-31 | Hideo Tobata | Unlocking mechanism for inclinable headrest |
| CN204488567U (en) * | 2014-12-12 | 2015-07-22 | 重庆宏立至信汽车部件制造有限公司 | Head pillow frame fold mechanism |
-
2014
- 2014-12-12 CN CN201410768529.8A patent/CN104442488B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070152487A1 (en) * | 2004-04-15 | 2007-07-05 | Windsor Machine & Stamping Ltd. | Foldable Headrest Assembly |
| US20080203801A1 (en) * | 2007-02-28 | 2008-08-28 | Lear Corporation | Folding head restraint mechanism |
| JP2008253334A (en) * | 2007-03-31 | 2008-10-23 | T S Tec Kk | Headrest and vehicle seat equipped with this headrest |
| US20100133889A1 (en) * | 2008-11-13 | 2010-06-03 | Bae Industries, Inc. | Pivoting headrest with cable operated release catch |
| 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 |
| US20140210245A1 (en) * | 2013-01-29 | 2014-07-31 | Hideo Tobata | Unlocking mechanism for inclinable headrest |
| CN204488567U (en) * | 2014-12-12 | 2015-07-22 | 重庆宏立至信汽车部件制造有限公司 | Head pillow frame fold mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110753639A (en) * | 2017-06-23 | 2020-02-04 | 牛步科技有限公司 | Headrest moving device |
| CN110753639B (en) * | 2017-06-23 | 2022-05-06 | 牛步科技有限公司 | Headrest moving device |
| CN114435213A (en) * | 2022-02-15 | 2022-05-06 | 重庆安道拓汽车部件系统有限公司 | Two-gear locking folding headrest |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104442488B (en) | 2017-01-04 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Address after: 401133 No. 218 Yuguan Avenue, Yuzui Town, Jiangbei District, Chongqing Patentee after: Chongqing Hongli Zhixin Science and Technology Development Group Co., Ltd. Address before: No. 146 Dongfeng Road, Yuzui Town, Jiangbei District, Chongqing 400021 Patentee before: Chongqing Hongli Zhixin Auto Parts Manufacturing Co., Ltd. |