CN209534829U - A kind of adjustable headrest - Google Patents
A kind of adjustable headrest Download PDFInfo
- Publication number
- CN209534829U CN209534829U CN201920084573.5U CN201920084573U CN209534829U CN 209534829 U CN209534829 U CN 209534829U CN 201920084573 U CN201920084573 U CN 201920084573U CN 209534829 U CN209534829 U CN 209534829U
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- plate
- headrest
- fixed
- shaft
- tooth
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Abstract
The utility model provides a kind of adjustable headrest, including headrest rear casing, headrest front trim panel, headrest flank, tension spring；Shaft is laterally set in headrest rear casing, and hingedly collateral frame plate, collateral frame plate are fixed in headrest rear casing both ends of the shaft；Multiple pawls are arranged on tooth plate in fixed tooth plate in shaft；Angular adjustment tooth is arranged on angle adjustment plate for the hinge angle adjustable plate on the collateral frame plate of tooth plate；Resetting structure is set on the collateral frame plate of tooth plate, tension spring one end is connect with resetting structure, and the other end is connect with angle adjustment plate；The first strip-shaped hole is arranged on rear casing bottom surface in fixed headrest intubation, headrest in shaft, and intubation of resting the head on does not connect one end with shaft and extends outside headrest rear shell across the first strip-shaped hole；Front trim panel is fixed on headrest rear casing, centre setting opening, fixes lateral wing support between two collateral frame plates, lateral wing support exposes rear casing by opening, and two head occipital wing frictions are articulated on lateral wing support.The application improves headrest comfort level.
Description
Technical field
The utility model relates to automotive seating art field, especially a kind of adjustable headrest.
Background technique
Automotive headrest is a kind of driver comfort configuration articles and security protection articles, and it is big that existing headrest is generally divided into two
Class, one kind be attached directly on automotive seat, it is another kind of can with up and down adjustment, although can up and down adjustment headrest phase
Improvement is made that for directly fixed headrest, improves the comfort level function of headrest to a certain extent, but still very
Difficulty meets demand of the people to the comfort level of headrest.
Summary of the invention
The purpose of this utility model is to provide a kind of adjustable headrests, to improve the comfort level of headrest.
The technical solution of the application are as follows: a kind of adjustable headrest, which is characterized in that including headrest rear casing, headrest front decoration
Plate, symmetrically arranged headrest flank, tension spring；Shaft is horizontally arranged in the headrest rear casing, the both ends of the shaft are hinged
There is collateral frame plate, the collateral frame plate is fixed in the headrest rear casing；Tooth plate is fixed in the shaft, on the tooth plate
It is provided with multiple pawls；It is hinged with angle adjustment plate on the collateral frame plate of the tooth plate, is arranged on the angle adjustment plate
There is the angular adjustment tooth with pawl cooperation；Answering for angular adjustment sheet reset is provided on the collateral frame plate of tooth plate
Bit architecture, one end of the tension spring are connect with the resetting structure, and the other end is connect with the angle adjustment plate；In the shaft
Be fixed with headrest intubation, be provided with the first strip-shaped hole on the bottom surface of the headrest rear casing, the headrest be intubated not with described turn
One end of axis connection passes through first strip-shaped hole and extends outside the headrest rear shell；The headrest front trim panel is fixed on described
It rests the head on rear casing, centre is provided with opening, and lateral wing support is fixed between two collateral frame plates, and the lateral wing support is logical
It crosses the opening and exposes the rear casing, two headrest flank frictions are articulated on the lateral wing support.
Preferably, resetting structure includes fixed block and sliding bar, and the fixed block is fixed on the collateral frame plate close to tooth plate
On, and hole is provided on the fixed block；Described sliding bar one end offsets with the angle adjustment plate, and the other end passes through the hole
Expose outside the rear casing, the sliding, which is caught up with, is provided with retention bead, and the retention bead is located at the close of the sliding shoe
The side of the angle adjustment plate；The tension spring is connect with the fixed block part, and the fixed block part and sliding bar are respectively positioned on
The side of the close tension spring of the angle adjustment plate.
Preferably, resetting structure includes with flowering structure: limited post is provided on the tooth plate, the limited post passes through close
The collateral frame plate of tooth plate is hinged with return plate in the shaft, the first long arc-shaped hole, the limit is provided on the return plate
Position column is not located in the described first long arc-shaped hole with one end of the truss plate connection；Fixation is provided on the angle adjustment plate
Bar is provided with the second long arc-shaped hole on the collateral frame plate of tooth plate, and the fixed link passes through the described second long arc-shaped hole,
And the one end not connecting with the fixed link is connect with the tension spring, one end and institute that the tension spring is not connect with the fixed link
State the connection of return plate；Return plate Shanghai is connected with torsional spring, and the torsional spring is placed in the shaft, does not connect with the return plate
The one end connect is connect with the collateral frame plate close to tooth plate；The angle adjustment plate is provided with L shape close to the side of the fixed link
Gap.
Preferably, the L shape gap is seamlessly transitted close to one end of the fixed link and the return plate.
Preferably, the length in second oblong hole is greater than farthest the distance between two pawls of distance.
Preferably, torsional spring is installed between collateral frame plate and the shaft far from tooth plate.
Preferably, flank adjusting bracket is removably connected on the lateral wing support, two headrest flanks pass through spiral shell
Bolt is fixed in the adjusting bracket, is provided with thrust washer on the bolt.
Adjustable headrest provided by the utility model, headrest intubation is fixed on chair framework when installation, can will when use
Headrest rear casing rotates forward, and headrest rear casing rotates around the axis, and falls so that headrest entirety rotates one relative to chair framework pipe
Tooth or multiple pawls, that is, rotation one gear or multiple gears, lead to after rotation tension spring by angular adjustment tooth with it is corresponding
Tooth engagement, so that headrest entirety is fixed after capable of rotating by a certain angle with respect to chair framework, so that more convenient people are according to itself
Situation adjusts headrest；In addition, being articulated on lateral wing support by being set to the two head occipital wings, rotary head occipital can be passed through
The wing adapts to the different dependence state of people's neck or head, improves the comfort level of headrest.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of adjustable headrest provided by the utility model；
Fig. 2 is a kind of configuration schematic diagram of adjustable headrest provided by the utility model；
Fig. 3 is enlarged drawing of the Fig. 2 at A；
Fig. 4 is a kind of mounting structure schematic diagram of flank of resting the head on；
Fig. 5 is a kind of one of the mounting structure schematic diagram of resetting structure；
Fig. 6 is a kind of mounting structure schematic diagram of lateral wing support；
Fig. 7 is the two of the mounting structure schematic diagram of a kind of resetting structure；
Fig. 8 is a kind of structural schematic diagram of tooth plate；
Fig. 9 is a kind of structural schematic diagram of angle adjustment plate；
In figure: collateral frame plate 1-1, angle adjustment plate 1-2, shaft 1-3, angular adjustment tooth 1-4, lateral wing support 1-5, headrest
After flank 2, headrest intubation 2-1, flank adjusting bracket 2-2, tooth plate 2-3, pawl 2-4, bolt 2-5, thrust washer 2-6, headrest
Housing 3, the first strip-shaped hole 3-1, headrest front trim panel 4, opening 4-1, tension spring 5, fixed block 7, hole 7-1, sliding bar 8, limit convex
Play 8-1, limited post 9, return plate 10, the first long arc-shaped hole 10-1, second long arc-shaped hole 10-2, L shape gap 10-3, fixation
Bar 11, torsional spring 12.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1, the utility model provide a kind of adjustable headrest, referring to figures 1-3, including headrest rear casing 3, headrest
Front trim panel 4, symmetrically arranged headrest flank 2, tension spring are horizontally arranged with shaft 1-3, the shaft in the headrest rear casing
Both ends be hinged with collateral frame plate 1-1, the collateral frame plate is fixed in the headrest rear casing；It is fixed in the shaft with teeth
Plate 2-3 is provided with multiple pawl 2-4 on the tooth plate, and pawl described herein refers to: the tooth with constant slope, the tooth
The tooth rotation engaged can unidirectionally be limited；It is hinged with angle adjustment plate 1-2 on the collateral frame plate of the tooth plate, it is described
The angular adjustment tooth 1-4 with pawl cooperation is provided on angle adjustment plate；It is arranged on the collateral frame plate of tooth plate useful
In the resetting structure of angular adjustment sheet reset, one end of the tension spring is connect with the resetting structure, the other end and the angle
Adjustable plate connection；It is fixed with headrest intubation 2-1 in the shaft, is provided with the first strip-shaped hole on the bottom surface of the headrest rear casing
3-1, one end that the headrest intubation is not connect with the shaft pass through first strip-shaped hole and extend outside the headrest rear shell；
The headrest front trim panel is fixed on the headrest rear casing, and centre is provided with opening 4-1, between two collateral frame plates
It is fixed with lateral wing support 1-5, the lateral wing support exposes the rear casing, two headrest flank frictions by the opening
It is articulated on the lateral wing support.
Friction is hinged: using friction articulation piece or the connection type for the articulated structure connection that rubs, the connection type make by
Connection two connectors between by biggish power can relative rotation, be able to maintain stabilization by lesser power after rotating by a certain angle
State.
Adjustable headrest provided by the utility model, headrest intubation is fixed on chair framework when installation, can will when use
Headrest rear casing rotates forward, and headrest rear casing rotates around the axis, and falls so that headrest entirety rotates one relative to chair framework pipe
Tooth or multiple pawls, that is, rotation one gear or multiple gears, lead to after rotation tension spring by angular adjustment tooth with it is corresponding
Tooth engagement, so that headrest entirety is fixed after capable of rotating by a certain angle with respect to chair framework, so that more convenient people are according to itself
Situation adjusts headrest, improves the comfort level of headrest；In addition, being articulated with lateral wing support by being set to the two head occipital wings
On, the different dependence state of people's neck or head can be adapted to by the rotary head occipital wing, improve the comfort level of headrest.
As a kind of specific flank connection type, referring to fig. 4, flank adjusting is removably connected on the lateral wing support
Bracket 2-2, two headrest flanks are fixed in the adjusting bracket by bolt 2-5, are provided with thrust on the bolt
Gasket 2-6.
Embodiment 2: on the basis of embodiment 1, various structures can be used in resetting structure, and applicant has also been devised two kinds
Resetting structure:
The first structure: referring to Fig. 5, resetting structure includes fixed block 7 and sliding bar 8, and the fixed block is fixed on close
On the collateral frame plate of tooth plate, and hole 7-1 is provided on the fixed block；Described sliding bar one end and the angle adjustment plate phase
It supports, the other end passes through the hole and exposes outside the rear casing, and the sliding, which is caught up with, is provided with retention bead 8-1, the limit convex
It rises positioned at the side close to the angle adjustment plate of the sliding shoe；The tension spring 5 is connect with the fixed block part, and described
Fixed block part and sliding bar are respectively positioned on the side of the close tension spring of the angle adjustment plate.
The structure enables to pawl and angular adjustment tooth to separate, so that headrest is whole multiple by pressing sliding bar
Position.
Second of structure: referring to Fig. 6-Fig. 9, resetting structure includes with flowering structure: limited post 9 is provided on the tooth plate,
The limited post passes through the collateral frame plate close to tooth plate, is hinged with return plate 10 in the shaft, is provided on the return plate
First long arc-shaped hole 10-1, the limited post are not located in the described first long arc-shaped hole with one end of the truss plate connection；
It is provided with fixed link 11 on the angle adjustment plate, is provided with the second long arc-shaped hole 10-2 on the collateral frame plate of tooth plate,
The fixed link passes through the described second long arc-shaped hole, and the one end not connecting with the fixed link is connect with the tension spring 5, institute
One end that tension spring is not connect with the fixed link is stated to connect with the return plate；Return plate Shanghai is connected with torsional spring 12, institute
It states torsional spring to be placed in the shaft, the one end not connecting with the return plate is connect with the collateral frame plate close to tooth plate；The angle
It spends adjustable plate and the side of the fixed link is provided with L shape gap 10-3, the L shape gap is close to one end of the fixed link
It is preferably seamlessly transitted with the return plate, can be and the realization smooth transition of the structures such as circular arc, inclined-plane is set in the end corner.
The structure, forward when rotation headrest, the fixed link on the outside of angle adjustment plate is moved along the second oblong hole, and torsional spring stores
Can, due to the presence in the first oblong hole, return plate moves closer to fixed link, when angular adjustment tooth is detached from the last one pawl
When, that is, headrest, when rotating integrally the last one gear, headrest angular adjustment has arrived the limit, continues swivel head forward at this time
Pillow, fixed link can be pressed on the gap of return plate, be risen by return plate support, and angular adjustment tooth is hanging, until fixed link is against second
The top in oblong hole, gag lever post is located at the bottom end in the first oblong hole at this time, compresses angle return spring to maximal force, looses one's grip
Afterwards, being acted on by angle return spring drives headrest is whole to reset backward, and return plate is limited column and drives transfer, limit while reset
Return plate stops transfer after the first oblong hole of the position column on return plate reaches the top, and the fixed link on angle adjustment plate is detached from
Return plate, angle adjustment plate, which is fallen into first tooth, reaches initial position realization return.
In general, the length in second oblong hole is greater than farthest the distance between two pawls of distance, such as tooth
Three pawls are set on plate, two farthest pawls of distance are first pawl and third pawl, four pawls are set, away from
It is first pawl and the 4th pawl from two farthest pawls.
In general, headrest, which rotates integrally 12 degree, is set as one grade, settable three gear or four are kept off.
In the application, torsional spring is preferably also installed between collateral frame plate and the shaft far from tooth plate, that is, will
The both ends of the torsional spring are connect with shaft with the collateral frame plate far from tooth plate respectively, are desirably also to cover in shaft.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, and first,
Second-class word is only intended to the differentiation of title, is not the limitation to technical term, for those skilled in the art, this reality
There can be various modifications and variations with novel.Within the spirit and principle of the utility model, made any modification, equivalent
Replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of adjustable headrest, which is characterized in that including headrest rear casing, headrest front trim panel, symmetrically arranged headrest flank,
Tension spring；
Shaft is horizontally arranged in the headrest rear casing, the both ends of the shaft are hinged with collateral frame plate, the collateral frame plate
It is fixed in the headrest rear casing；
It is fixed with tooth plate in the shaft, multiple pawls are provided on the tooth plate；
It is hinged with angle adjustment plate on the collateral frame plate of the tooth plate, is provided on the angle adjustment plate and the pawl
The angular adjustment tooth of cooperation；
The resetting structure for angular adjustment sheet reset, one end of the tension spring and institute are provided on the collateral frame plate of tooth plate
Resetting structure connection is stated, the other end is connect with the angle adjustment plate；
It is fixed with headrest intubation in the shaft, is provided with the first strip-shaped hole, the headrest on the bottom surface of the headrest rear casing
The one end not connecting with the shaft is intubated to extend outside the headrest rear shell across first strip-shaped hole；
The headrest front trim panel is fixed on the headrest rear casing, and centre is provided with opening,
Lateral wing support is fixed between two collateral frame plates, the lateral wing support exposes the back cover by the opening
Shell, two headrest flank frictions are articulated on the lateral wing support.
2. adjustable headrest according to claim 1, which is characterized in that resetting structure includes fixed block and sliding bar, described
Fixed block is fixed on the collateral frame plate of tooth plate, and is provided with hole on the fixed block；
Described sliding bar one end offsets with the angle adjustment plate, and the other end passes through the hole and exposes outside the rear casing, described
Retention bead is provided on sliding bar, the retention bead is located at the side close to the angle adjustment plate of the fixed block；
The tension spring is connect with the fixed block part, and the fixed block part and sliding bar are respectively positioned on leaning on for the angle adjustment plate
The side of nearly tension spring.
3. adjustable headrest according to claim 1, which is characterized in that resetting structure includes with flowering structure: on the tooth plate
It is provided with limited post, the limited post passes through the collateral frame plate close to tooth plate, is hinged with return plate, the return in the shaft
The first long arc-shaped hole is provided on plate, it is arc-shaped that the limited post is not located at first length with one end of the truss plate connection
In hole；
It is provided with fixed link on the angle adjustment plate, is provided with the second long arc-shaped hole, institute on the collateral frame plate of tooth plate
Fixed link is stated across the described second long arc-shaped hole, and the one end not connecting with the fixed link is connect with the tension spring, it is described
One end that tension spring is not connect with the fixed link is connect with the return plate；
Return plate Shanghai is connected with torsional spring, and the torsional spring is placed in the shaft, the one end not connecting with the return plate
It is connect with the collateral frame plate close to tooth plate；
The angle adjustment plate is provided with L shape gap close to the side of the fixed link.
4. adjustable headrest according to claim 3, which is characterized in that the L shape gap is close to one end of the fixed link
It is seamlessly transitted with the return plate.
5. adjustable headrest according to claim 3, which is characterized in that the length in second oblong hole is greater than distance most
The distance between two remote pawls.
6. adjustable headrest according to claim 3, which is characterized in that between collateral frame plate and the shaft far from tooth plate
Torsional spring is installed.
7. adjustable headrest according to claim 1, which is characterized in that be removably connected with flank tune on the lateral wing support
Bracket is saved, two headrest flanks are fixed by bolts in the adjusting bracket, are provided with thrust washer on the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084573.5U CN209534829U (en) | 2019-01-17 | 2019-01-17 | A kind of adjustable headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920084573.5U CN209534829U (en) | 2019-01-17 | 2019-01-17 | A kind of adjustable headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209534829U true CN209534829U (en) | 2019-10-25 |
Family
ID=68270328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920084573.5U Active CN209534829U (en) | 2019-01-17 | 2019-01-17 | A kind of adjustable headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209534829U (en) |
-
2019
- 2019-01-17 CN CN201920084573.5U patent/CN209534829U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |