CN103182971A - Headrest regulation device for vehicle seat, seat and vehicle - Google Patents
Headrest regulation device for vehicle seat, seat and vehicle Download PDFInfo
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- CN103182971A CN103182971A CN2011104511089A CN201110451108A CN103182971A CN 103182971 A CN103182971 A CN 103182971A CN 2011104511089 A CN2011104511089 A CN 2011104511089A CN 201110451108 A CN201110451108 A CN 201110451108A CN 103182971 A CN103182971 A CN 103182971A
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Abstract
The invention provides a headrest regulation device for a vehicle seat, a seat and a vehicle. The seat headrest regulation device comprises a fixing frame, a first swing rod, a second swing rod, an installation frame for installing a headrest, a rightward rotary first torsion spring and a first shaft sleeve synchronously rotating with the first swing rod, wherein the first and second swing rods are rotationally connected with the fixing frame and the installation frame respectively, and form a four-rod mechanism together with the fixing frame and the installation frame, the axial direction of the first shaft sleeve extends along the horizontal direction of the vehicle, and the first torsion spring, of which a support leg on the left end is fixed on the fixing frame and a support leg on the right end is suspended, is sleeved on and tightly matched with the first shaft sleeve. The headrest regulation device can realize the random regulation in the front-and-back direction of the headrest and is simple in structure and convenient to adjust.
Description
Technical field
The present invention relates to a kind of headrest adjuster of seat, seat and vehicle of vehicle.
Background technology
Along with the development of society, people are more and more higher to the requirement of vehicle ride comfort.The headrest of automotive seat generally has multiple regulatory function, as highly regulating, angular adjustment, moves forward and backward adjusting etc.The control apparatus that moves forward and backward of headrest comprises manual and automatically, at present, the headrest of manual regulation moves forward and backward the adjusting that device can only be realized several fixed positions, the particularity of regulating is not enough, though regulate easily automatically, needs motor-driven usually, complex structure, cost is higher.
Summary of the invention
The present invention moves forward and backward the not enough or complex structure of particularity that control apparatus regulates, cost problem of higher for what solve above-mentioned headrest, a kind of headrest adjuster of seat of vehicle is provided, the adjusting of fore-and-aft direction optional position that can realize resting the head on of this headrest adjuster of seat, and it is simple in structure, easy to adjust.
The headrest adjuster of seat of the vehicle of an aspect of the invention comprises: first torsion spring of fixed mount, first fork, second fork, the erecting frame that is used for installing headrest, dextrorotation and first axle sleeve that rotates synchronously with first fork;
Described first fork is rotatably connected with fixed mount and erecting frame respectively, and described second fork is rotatably connected with fixed mount and erecting frame respectively, and described fixed mount, first fork, second fork and erecting frame constitute four-bar mechanism;
The axial horizontal expansion along vehicle of first axle sleeve, first torsion spring are set on first axle sleeve and are flush fit between the two, and the left end leg of first torsion spring is fixed on the fixed mount, and the right-hand member leg is unsettled.
Further, described headrest adjuster of seat also comprises first fork is applied second torsion spring that makes the pretension effect that first fork rotates backward.
Further, described headrest adjuster of seat also comprises first rotating shaft of fixing or being installed in rotation on the fixed mount, described second torsion spring is set in first rotating shaft, a leg of second torsion spring is fixed on the fixed mount, another leg is fixed on first fork, and first axle sleeve is set in first rotating shaft rotationally.
Further, described first fork is provided with notch, described headrest adjuster of seat also comprises the solution lock dog that is installed in rotation on the fixed mount, described solution lock dog is positioned at the below of the unsettled leg of first torsion spring, described solution lock dog is provided with first jut, and described first protruding part is in described notch;
The lower edge that turns to described notch when first fork forward is with after first jut contacts, described lower edge drives by described contact and separates lock dog and upwards rotate, and separates lock dog and makes progress in the rotating process to contact and to promote described unsettled leg with described unsettled leg and move up;
When first fork rotates backward the upper edge of described notch with after first jut contacts, described upper edge drives by described contact and separates lock dog and rotate, and separates in the process that lock dog rotates to disengage with described unsettled leg.
Further, described headrest adjuster of seat also comprises and applies and make the 3rd torsion spring of separating the pretension effect that lock dog rotates separating lock dog, described unsettled leg applies the opposite pretension effect of pretension action direction that applies with the 3rd torsion spring to separating lock dog when separating the lock dog contact, described solution lock dog pretension effect that the pretension effect that the 3rd torsion spring applies, described unsettled leg apply and with the rubbing effect of described unsettled leg under keep motionless.
Further, described headrest adjuster of seat also comprises second rotating shaft of fixing or being installed in rotation on the fixed mount, described the 3rd torsion spring is set in second rotating shaft, and a leg of the 3rd torsion spring is fixed on the fixed mount, and another leg is fixed on to be separated on the lock dog.
The present invention also provides a kind of seat, comprises above-mentioned headrest adjuster of seat.
The present invention also provides a kind of vehicle, comprises above-mentioned headrest adjuster of seat.
The headrest adjuster of seat of the vehicle of the another kind of scheme of the present invention comprises: fixed mount, first fork, second fork, the erecting frame that is used for installing headrest, the first left-handed torsion spring and first axle sleeve that rotates synchronously with first fork;
Described first fork is rotatably connected with fixed mount and erecting frame respectively, and described second fork is rotatably connected with fixed mount and erecting frame respectively, and described fixed mount, first fork, second fork and erecting frame constitute four-bar mechanism;
The axial horizontal expansion along vehicle of first axle sleeve, first torsion spring are set on first axle sleeve and are flush fit between the two, and the right-hand member leg of first torsion spring is fixed on the fixed mount, and the left end leg is unsettled.
Further, described headrest adjuster of seat also comprises first fork is applied second torsion spring that makes the pretension effect that first fork rotates backward.
Further, described headrest adjuster of seat also comprises first rotating shaft of fixing or being installed in rotation on the fixed mount, described second torsion spring is set in first rotating shaft, a leg of second torsion spring is fixed on the fixed mount, another leg is fixed on first fork, and first axle sleeve is set in first rotating shaft rotationally.
Further, described first fork is provided with notch, described headrest adjuster of seat also comprises the solution lock dog that is installed in rotation on the fixed mount, described solution lock dog is positioned at the below of the unsettled leg of first torsion spring, described solution lock dog is provided with first jut, and described first protruding part is in described notch;
The lower edge that turns to described notch when first fork forward is with after first jut contacts, described lower edge drives by described contact and separates lock dog and upwards rotate, and separates lock dog and makes progress in the rotating process to contact and to promote described unsettled leg with described unsettled leg and move up;
When first fork rotates backward the upper edge of described notch with after first jut contacts, described upper edge drives by described contact and separates lock dog and rotate, and separates in the process that lock dog rotates to disengage with described unsettled leg.
Further, described headrest adjuster of seat also comprises and applies and make the 3rd torsion spring of separating the pretension effect that lock dog rotates separating lock dog, described unsettled leg applies the opposite pretension effect of pretension action direction that applies with the 3rd torsion spring to separating lock dog when separating the lock dog contact, described solution lock dog pretension effect that the pretension effect that the 3rd torsion spring applies, described unsettled leg apply and with the rubbing effect of described unsettled leg under keep motionless.
The present invention also provides a kind of seat, comprises above-mentioned headrest adjuster of seat.
The present invention also provides a kind of vehicle, comprises above-mentioned headrest adjuster of seat.
The invention has the beneficial effects as follows: when operating personal promotion headrest moves forward, transmission by erecting frame, first fork also rotates forward, first fork drives first axle sleeve and rotates, therefore the internal diameter of first torsion spring becomes big under the effect of first axle sleeve, become easy fit between first axle sleeve and first torsion spring, therefore operating personal can continue to move forward with the less moving headrest of trying hard to recommend, after headrest moves into place, first fork and first axle sleeve stop operating, and first torsion spring tightens up under the pretension effect of self, and its internal diameter diminishes, again become flush fit between first torsion spring and first axle sleeve, stop the random movement of headrest.This headrest adjuster of seat can be adjusted to headrest the optional position that moves forward and backward direction, and simple in structure, easy to adjust, and cost is lower.
Description of drawings
Fig. 1 is the structural representation of looking from a direction of the headrest adjuster of seat of an embodiment of the present invention;
Fig. 2 is the structural representation of looking from another direction of the headrest adjuster of seat of an embodiment of the present invention;
Fig. 3 is the exploded perspective view of the headrest adjuster of seat of an embodiment of the present invention.
The specific embodiment
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the present invention, and be not used in restriction the present invention.
First embodiment
As Figure 1-3, the headrest adjuster of seat of the vehicle of present embodiment comprises: first torsion spring 4 of fixed mount, first fork 1, second fork 2, the erecting frame that is used for installing headrest, dextrorotation and first axle sleeve 5 that rotates synchronously with first fork 1; Described first fork 1 is rotatably connected with fixed mount and erecting frame respectively, and described second fork 2 is rotatably connected with fixed mount and erecting frame respectively, and described fixed mount, first fork 1, second fork 2 and erecting frame constitute four-bar mechanism; The axial horizontal expansion along vehicle of first axle sleeve 5, first torsion spring 4 are set on first axle sleeve 5 and are flush fit between the two, and the left end leg of first torsion spring 4 is fixed on the fixed mount, and the right-hand member leg is unsettled.
Four-bar mechanism described in the present embodiment is not four mechanisms that bar arbitrarily is formed by connecting arbitrarily, but the four-bar mechanism of describing in the textbooks such as theory of machines or machine design.In the present embodiment, described about, all around all is the orientation when normally placing with vehicle.
Described headrest adjuster of seat also comprises first fork 1 is applied second torsion spring 6 that makes the pretension effect that first fork 1 rotates backward.Described headrest adjuster of seat also comprises first rotating shaft 7 of fixing or being installed in rotation on the fixed mount, described second torsion spring 6 is set in first rotating shaft 7, a leg of second torsion spring 6 is fixed on the fixed mount, another leg is fixed on first fork 1, and first axle sleeve 5 is set in first rotating shaft 7 rotationally.
Described headrest adjuster of seat also comprises second axle sleeve 8 that is set in rotationally in first rotating shaft 7,8 one-tenth ladders of second axle sleeve are cylindric, comprise big column portion and small column portion, first axle sleeve 5 is set in the described big column portion, described big column portion is positioned between first axle sleeve 5 and second torsion spring 6, first torsion spring 4 is set in first axle sleeve 5 and the big column portion, is flush fit between first torsion spring 4 and the big column portion.
Described first fork 1 is provided with notch 105, described headrest adjuster of seat also comprises the solution lock dog 17 that is installed in rotation on the fixed mount, described solution lock dog 17 is positioned at the below of the unsettled leg of first torsion spring 4, described solution lock dog 17 is provided with the first jut 17a, and the described first jut 17a is arranged in described notch 105; The lower edge that turns to described notch 105 when first fork 1 forward is with after the first jut 17a contacts, described lower edge drives by described contact and separates lock dog 17 and upwards rotate, and separates lock dog 17 and upwards contacts and promote described unsettled leg with described unsettled leg in the rotating process and move up; When first fork 1 rotates backward the upper edge of described notch 105 with after the first jut 17a contacts, described upper edge drives by described contact and separates lock dog 17 and rotate, and separates in the process that lock dog 17 rotates to disengage with described unsettled leg.When separating lock dog 17 and upwards rotate, from the right side of vehicle to the left, separate lock dog 17 and rotate counterclockwise; When separating lock dog 17 and rotate, from the right side of vehicle to the left, separate lock dog 17 and clockwise rotate.
Described headrest adjuster of seat also comprises and applies and make the 3rd torsion spring 9 of separating the pretension effect that lock dog 17 rotates separating lock dog 17, described unsettled leg applies the opposite pretension effect of the pretension action direction that applies with the 3rd torsion spring (from the right side of vehicle to the left to separating lock dog 17 when separating lock dog 17 contacts, apply the pressure effect that lock dog 17 rotates counterclockwise of separating that makes to separating lock dog 17 when described unsettled leg contacts with solution lock dog 17), the pretension effect that described solution lock dog 17 applies at the 3rd torsion spring 9, the pretension effect that described unsettled leg applies and with the rubbing effect of described unsettled leg under keep motionless.Described rubbing effect is the static friction effect.Make solution lock dog 17 keep motionless under above-mentioned three effects, above-mentioned three effects must meet the equilibrium relation of moment, and concrete can realize that in conjunction with the test of certain number of times it is bright more not speak more herein again by certain calculating.
Described headrest adjuster of seat also comprises second rotating shaft 10 of fixing or being installed in rotation on the fixed mount, described the 3rd torsion spring 9 is set in second rotating shaft 10, a leg of the 3rd torsion spring 9 is fixed on the fixed mount, and another leg is fixed on to be separated on the lock dog 17.
Fixed mount comprises first flap 12, second flap 13 and U-shaped bar 14, first flap 12 and second flap 13 all are fixedly mounted on the U-shaped bar 14 by welding, certainly, first flap 12 and second flap 13 also can be implemented in fixed installation on the U-shaped bar 14 by existing alternate manner, and first flap 12 and second flap 13 are in 14 one-tenth U-shaped settings of U-shaped bar.U-shaped bar 14 is fixed or is slidably mounted on the back of seat, and specifically, if headrest has the up-down adjustment function, then U-shaped bar 14 is slidably mounted on the back of seat, if headrest does not have the up-down adjustment function, then U-shaped bar 14 is fixedly mounted on the back of seat.
Connecting panel 103, the first dull and stereotyped 101 and all relative connecting panel 103 bendings of second flat board 102 that first fork 1 comprises first flat board 101, second flat board 102 and is connected first dull and stereotyped 101 and second flat board 102, first dull and stereotyped 101 and second flat board 102 is parallel to each other.Described erecting frame comprises left adapter plate 301 and right adapter plate 302, and left adapter plate 301 all becomes the stepped appearance bending with right adapter plate 302, and headrest is installed on left adapter plate 301 and the right adapter plate 302.First fork 1 is clipped between left adapter plate 301 and the right adapter plate 302, first bearing pin 15 passes the upper end of left adapter plate 301, first flat board 101, upper end and the right adapter plate 302 of second flat board 102 in turn, first bearing pin 15 and first dull and stereotyped 101 and second dull and stereotyped 102 interference fit, with left adapter plate 301 and right adapter plate 302 free-running fits, first bearing pin 15 also can with first dull and stereotyped 101 and second dull and stereotyped 102 free-running fits, with left adapter plate 301 and right adapter plate 302 interference fit, first bearing pin 15 can also with above-mentioned four equal free-running fits.
The upper end of second fork 2 is clipped between left adapter plate 301 and the right adapter plate 302, second bearing pin 16 passes upper end and the right adapter plate 302 of left adapter plate 301, second fork 2 in turn, second bearing pin 16 and second fork, 2 interference fit, with left adapter plate 301 and right adapter plate 302 free-running fits, second bearing pin 16 also can with second fork, 2 free-running fits, with left adapter plate 301 and right adapter plate 302 interference fit, second bearing pin 16 can also be free-running fit with left adapter plate 301, second fork 2 and right adapter plate 302.Second fork 2 is positioned at first fork, 1 rear.First bearing pin 15 and second bearing pin 16 are parallel to each other, and first bearing pin 15 is positioned at second bearing pin, 16 the place aheads.
By the said structure setting, left adapter plate 301 and right adapter plate 302 can only be done as a whole being synchronized with the movement.
First flat board 101 is positioned at the side away from second flap 13 of first flap 12, the lower end of first flat board 101 is set in first rotating shaft 7 rotationally, second torsion spring 6 is between first dull and stereotyped 101 and first flap 12, a leg of second torsion spring 6 is fixed on first flat board 101, and another leg is fixed on first flap 12.Second flat board 102 is between first torsion spring 4 and second flap 13, and the lower end of second flat board 102 is set in first rotating shaft 7 rotationally.End near second flat board 102 of first axle sleeve 5 is provided with two extensions 501 that stretch out to second dull and stereotyped 102 directions, second flat board 102 is provided with two hole clippings 106 corresponding with described two extensions 501 respectively, two extensions 501 snap in respectively in two hole clippings 106, realize the synchronous rotation of first axle sleeve 5 and first fork 1 by extension 501 and cooperating of hole clipping 106.The lower end of second fork 2 is rotatably connected by the 3rd bearing pin and first flap 12.
When operating personal promotion headrest moves forward, transmission by erecting frame, first fork 1 and second fork 2 all rotate forward, first fork 1 drives first axle sleeve 5 and rotates, because first torsion spring 4 is dextrorotation, therefore the internal diameter of first torsion spring 4 becomes big under the effect of first axle sleeve 5, become easy fit between first axle sleeve 5 and first torsion spring 4, friction drag between the two diminishes, therefore operating personal can move forward with the less moving headrest of trying hard to recommend, after headrest is adjusted to the right place, first fork 1 and first axle sleeve 5 stop operating, and first torsion spring 4 tightens up under the pretension effect of self, and its internal diameter diminishes, again become flush fit between first torsion spring 4 and first axle sleeve 5, stop the random movement of headrest.
When the external force that headrest is subjected to is backward done the time spent, if headrest is mobile backward, then first fork 1 is mobile backward, first axle sleeve 5 also rotates thereupon, because first torsion spring 4 is dextrorotation, first torsion spring 4 further shrinks and diminishes, and the cooperation between first torsion spring 4 and first axle sleeve 5 is tighter, produce the power that bigger prevention first axle sleeve 5 rotates, namely headrest is difficult to mobile backward.When vehicle generation rear-end collision, occupant's head in the front truck, owing to headrest is difficult mobile backward, therefore can provides to occupant's head and prop up overfill protection preferably in the present embodiment because inertia can be swung backward.
6 pairs of first forks 1 of second torsion spring apply the pretension effect that first fork 1 is rotated backward, when collision happens or sudden stop, headrest has the trend that moves forward under action of inertia, by second torsion spring 6 is set, can stop headrest to move forward, strengthen the safety of vehicle.
When headrest moves forward to certain position, the lower edge of described notch 105 contacts with the first jut 17a, if headrest continues to move forward, then the lower edge drives by the first jut 17a and separates upwards rotation of lock dog 17, separating lock dog 17 upwards in the rotating process lifts described unsettled leg, it is big that the internal diameter of first torsion spring 4 further becomes, friction drag between first axle sleeve 5 and first torsion spring 4 further diminishes or does not have friction drag, this moment is if the incorrect pillow of operating personal applies any power, then first fork 1 rotates backward under the effect of second torsion spring 6, headrest is also mobile backward thereupon, separate lock dog 17 in the process that first fork 1 rotates backward and under above-mentioned three effects, keep motionless, when first fork 1 rotates backward certain position, the upper edge of described notch 105 contacts with the first jut 17a, if first fork 1 continues to rotate backward, then the upper edge rotates by first jut 17a drive solution lock dog 17, the unsettled leg of separating lock dog 17 and first torsion spring 4 disengages, the internal diameter of first torsion spring 4 diminishes, and becomes flush fit again between first torsion spring 4 and first axle sleeve 5.
In the process that moves forward of headrest, first fork 1 also rotates forward, makes when separating lock dog 17 described unsettled leg being lifted when first fork 1 turns to forward, and resting the head on is positioned at the front position; In the mobile process, first fork 1 also rotates backward headrest backward, and when first fork 1 rotates backward to when the unsettled leg of separating lock dog 17 and first torsion spring 4 is disengaged, resting the head on is positioned at the rearmost position.In the concrete operations, headrest can be adjusted to any position between described front position and the rearmost position.When a certain position, if want headrest is regulated backward, normally earlier headrest is moved to the front position, allow headrest move to the rearmost position, and then slowly be adjusted to the position that needs forward.
In the present embodiment, when being flush fit between first torsion spring 4 and first axle sleeve 5 (when incorrect pillow is regulated), friction drag effect between first axle sleeve 5 and first torsion spring 4 is greater than the pretension effect of 6 pairs of first forks 1 of second torsion spring, this can calculate by certain theory again and accomplish that in conjunction with the test of certain number of times it is bright more not speak more herein.Therefore, when incorrect pillow was regulated, second torsion spring 6 can not drive first fork 1 and rotate backward.
Second embodiment
In a second embodiment, the parts identical with first embodiment or structure are used identical Reference numeral.The part identical with first embodiment no longer carried out repeat specification, mainly different parts is described.
Among second embodiment, first torsion spring is left-handed, and the right-hand member leg of first torsion spring 4 is fixed on the fixed mount, and the left end leg is unsettled.Be that unsettled leg is the left end leg.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the headrest adjuster of seat of a vehicle, it is characterized in that, comprising: first torsion spring (4) of fixed mount, first fork (1), second fork (2), the erecting frame that is used for installing headrest, dextrorotation and first axle sleeve (5) that rotates synchronously with first fork (1);
Described first fork (1) is rotatably connected with fixed mount and erecting frame respectively, and described second fork (2) is rotatably connected with fixed mount and erecting frame respectively, and described fixed mount, first fork (1), second fork (2) and erecting frame constitute four-bar mechanism;
The axial horizontal expansion along vehicle of first axle sleeve (5), first torsion spring (4) are set in first axle sleeve (5) upward and are flush fit between the two, and the left end leg of first torsion spring (4) is fixed on the fixed mount, and the right-hand member leg is unsettled.
2. headrest adjuster of seat as claimed in claim 1 is characterized in that, described headrest adjuster of seat also comprises first fork (1) is applied second torsion spring (6) that makes the pretension effect that first fork (1) rotates backward.
3. headrest adjuster of seat as claimed in claim 2, it is characterized in that, described headrest adjuster of seat also comprises first rotating shaft (7) of fixing or being installed in rotation on the fixed mount, described second torsion spring (6) is set in first rotating shaft (7), a leg of second torsion spring (6) is fixed on the fixed mount, another leg is fixed on first fork (1), and first axle sleeve (5) is set in first rotating shaft (7) rotationally.
4. headrest adjuster of seat as claimed in claim 1, it is characterized in that, described first fork (1) is provided with notch (105), described headrest adjuster of seat also comprises the solution lock dog (17) that is installed in rotation on the fixed mount, described solution lock dog (17) is positioned at the below of the unsettled leg of first torsion spring (4), described solution lock dog (17) is provided with first jut (17a), and described first jut (17a) is arranged in described notch (105);
The lower edge that turns to described notch (105) when first fork (1) forward is with after first jut (17a) contacts, described lower edge drives by described contact and separates lock dog (17) and upwards rotate, and separates lock dog (17) and upwards contacts and promote described unsettled leg with described unsettled leg in the rotating process and move up;
When first fork (1) rotates backward the upper edge of described notch (105) with after first jut (17a) contacts, described upper edge drives solution lock dog (17) by described contact and rotates, and disengages with described unsettled leg in the process that solution lock dog (17) rotates.
5. headrest adjuster of seat as claimed in claim 4, it is characterized in that, described headrest adjuster of seat also comprises and applies and make the 3rd torsion spring (9) of separating the pretension effect that lock dog (17) rotates separating lock dog (17), when contacting with solution lock dog (17), described unsettled leg applies the opposite pretension effect of pretension action direction that applies with the 3rd torsion spring, the pretension effect that described solution lock dog (17) applies at the 3rd torsion spring (9) to separating lock dog (17), the pretension effect that described unsettled leg applies and with the rubbing effect of described unsettled leg under keep motionless.
6. headrest adjuster of seat as claimed in claim 5, it is characterized in that, described headrest adjuster of seat also comprises second rotating shaft (10) of fixing or being installed in rotation on the fixed mount, described the 3rd torsion spring (9) is set in second rotating shaft (10), a leg of the 3rd torsion spring (9) is fixed on the fixed mount, and another leg is fixed on to be separated on the lock dog (17).
7. the headrest adjuster of seat of a vehicle, it is characterized in that, comprising: fixed mount, first fork (1), second fork (2), the erecting frame that is used for installing headrest, left-handed first torsion spring (4) and first axle sleeve (5) that rotates synchronously with first fork (1);
Described first fork (1) is rotatably connected with fixed mount and erecting frame respectively, and described second fork (2) is rotatably connected with fixed mount and erecting frame respectively, and described fixed mount, first fork (1), second fork (2) and erecting frame constitute four-bar mechanism;
The axial horizontal expansion along vehicle of first axle sleeve (5), first torsion spring (4) are set in first axle sleeve (5) upward and are flush fit between the two, and the right-hand member leg of first torsion spring (4) is fixed on the fixed mount, and the left end leg is unsettled.
8. headrest adjuster of seat as claimed in claim 7 is characterized in that, described headrest adjuster of seat also comprises first fork (1) is applied second torsion spring (6) that makes the pretension effect that first fork (1) rotates backward.
9. headrest adjuster of seat as claimed in claim 8, it is characterized in that, described headrest adjuster of seat also comprises first rotating shaft (7) of fixing or being installed in rotation on the fixed mount, described second torsion spring (6) is set in first rotating shaft (7), a leg of second torsion spring (6) is fixed on the fixed mount, another leg is fixed on first fork (1), and first axle sleeve (5) is set in first rotating shaft (7) rotationally.
10. headrest adjuster of seat as claimed in claim 7, it is characterized in that, described first fork (1) is provided with notch (105), described headrest adjuster of seat also comprises the solution lock dog (17) that is installed in rotation on the fixed mount, described solution lock dog (17) is positioned at the below of the unsettled leg of first torsion spring (4), described solution lock dog (17) is provided with first jut (17a), and described first jut (17a) is arranged in described notch (105);
The lower edge that turns to described notch (105) when first fork (1) forward is with after first jut (17a) contacts, described lower edge drives by described contact and separates lock dog (17) and upwards rotate, and separates lock dog (17) and upwards contacts and promote described unsettled leg with described unsettled leg in the rotating process and move up;
When first fork (1) rotates backward the upper edge of described notch (105) with after first jut (17a) contacts, described upper edge drives solution lock dog (17) by described contact and rotates, and disengages with described unsettled leg in the process that solution lock dog (17) rotates.
11. headrest adjuster of seat as claimed in claim 10, it is characterized in that, described headrest adjuster of seat also comprises and applies and make the 3rd torsion spring (9) of separating the pretension effect that lock dog (17) rotates separating lock dog (17), when contacting with solution lock dog (17), described unsettled leg applies the opposite pretension effect of pretension action direction that applies with the 3rd torsion spring, the pretension effect that described solution lock dog (17) applies at the 3rd torsion spring (9) to separating lock dog (17), the pretension effect that described unsettled leg applies and with the rubbing effect of described unsettled leg under keep motionless.
12. a seat is characterized in that, comprises each described headrest adjuster of seat among the claim 1-6.
13. a seat is characterized in that, comprises each described headrest adjuster of seat among the claim 7-11.
14. a vehicle is characterized in that, comprises each described headrest adjuster of seat among the claim 1-6.
15. a vehicle is characterized in that, comprises each described headrest adjuster of seat among the claim 7-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451108.9A CN103182971B (en) | 2011-12-30 | 2011-12-30 | A kind of headrest adjuster of seat of vehicle, seat and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451108.9A CN103182971B (en) | 2011-12-30 | 2011-12-30 | A kind of headrest adjuster of seat of vehicle, seat and vehicle |
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| CN103182971A true CN103182971A (en) | 2013-07-03 |
| CN103182971B CN103182971B (en) | 2015-11-25 |
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| CN201110451108.9A Expired - Fee Related CN103182971B (en) | 2011-12-30 | 2011-12-30 | A kind of headrest adjuster of seat of vehicle, seat and vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385956A (en) * | 2014-12-19 | 2015-03-04 | 重庆宏立至信汽车部件制造有限公司 | Seat headrest rotation freely-adjusting device |
| CN105083081A (en) * | 2015-07-15 | 2015-11-25 | 北汽福田汽车股份有限公司 | Seat head rest, seat and automobile |
| CN106043055A (en) * | 2016-07-08 | 2016-10-26 | 盐城市高跃机械有限公司 | Automobile headrest adjusting structure |
| CN106828228A (en) * | 2016-12-21 | 2017-06-13 | 宁波继峰汽车零部件股份有限公司 | A kind of four-way headrest for moving forward and backward regulation |
| CN107319814A (en) * | 2017-08-04 | 2017-11-07 | 万福阁家具（昆山）有限公司 | Improved structure for adjusting headrest |
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| JPS63115837U (en) * | 1987-01-23 | 1988-07-26 | ||
| CN101327079A (en) * | 2008-07-16 | 2008-12-24 | 卢伟 | Headrest regulator |
| CN201342965Y (en) * | 2008-09-18 | 2009-11-11 | 佛山市顺德区中兴汽车用品有限公司 | Adjusting device for graded locking car head cushion |
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| CN104385956A (en) * | 2014-12-19 | 2015-03-04 | 重庆宏立至信汽车部件制造有限公司 | Seat headrest rotation freely-adjusting device |
| CN105083081A (en) * | 2015-07-15 | 2015-11-25 | 北汽福田汽车股份有限公司 | Seat head rest, seat and automobile |
| CN105083081B (en) * | 2015-07-15 | 2017-12-08 | 宝沃汽车（中国）有限公司 | A kind of chair headrest, seat and automobile |
| CN106043055A (en) * | 2016-07-08 | 2016-10-26 | 盐城市高跃机械有限公司 | Automobile headrest adjusting structure |
| CN106828228A (en) * | 2016-12-21 | 2017-06-13 | 宁波继峰汽车零部件股份有限公司 | A kind of four-way headrest for moving forward and backward regulation |
| CN106828228B (en) * | 2016-12-21 | 2023-08-22 | 宁波继峰汽车零部件股份有限公司 | Four-way headrest capable of being adjusted in forward and backward movement mode |
| CN107319814A (en) * | 2017-08-04 | 2017-11-07 | 万福阁家具（昆山）有限公司 | Improved structure for adjusting headrest |
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