CN103459195B - There is the adjustment accessory of lower driving torque - Google Patents
There is the adjustment accessory of lower driving torque Download PDFInfo
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- CN103459195B CN103459195B CN201280017232.7A CN201280017232A CN103459195B CN 103459195 B CN103459195 B CN 103459195B CN 201280017232 A CN201280017232 A CN 201280017232A CN 103459195 B CN103459195 B CN 103459195B
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- wedge shape
- segmental arc
- accessory
- shape segmental
- actuator
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- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 12
- 230000004308 accommodation Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 210000000515 tooth Anatomy 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- VQKWAUROYFTROF-UHFFFAOYSA-N arc-31 Chemical compound O=C1N(CCN(C)C)C2=C3C=C4OCOC4=CC3=NN=C2C2=C1C=C(OC)C(OC)=C2 VQKWAUROYFTROF-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
- B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention relates to a kind of adjustment accessory being particularly useful for automobile seat, wherein, attach troops to a unit in the fixing fitting part of seat parts and adjustable fitting part of attaching troops to a unit in seat backrest component and be interconnected by transmission device, supported prejudicially under the impact of the parts that the fitting part of described adjustment accessory rotatably drives at least one moving axis that rotates in the plane of action of its gear teeth.Wherein specify, at least one actuator with from least one drive point the power be delivered in wedge shape segmental arc act on like this in the wide side region of two wedge shape segmental arcs, respectively at least one point of action of the contact surface of described wedge shape segmental arc, make wedge shape segmental arc along regulating the direction of accessory power circumferentially to be driven more strongly, wherein, be provided with the spring installation settled independent of actuator, described spring installation by the narrow layback of wedge shape segmental arc together, thus affects diameter clearance.
Description
Technical field
The present invention relates to a kind of adjustment accessory, wherein, attach troops to a unit in the fixing fitting part of seat parts and adjustable fitting part of attaching troops to a unit in seat backrest component and be interconnected by transmission device, this transmission device plays a role as control apparatus and anchor fitting and determines described two fitting part positions relative to each other, is supported prejudicially under the impact of the parts that the fitting part of described adjustment accessory rotatably drives at least one moving axis that rotates in the plane of action of its gear teeth.
Background technology
By the known multiple adjustment accessory of prior art, wherein, only exemplarily refer to DE3013304C2 and DE102004013272B3.
Patent documentation DE4436101B4 is used as departure point of the present invention.This patent documentation describes a kind of chair back and regulates accessory, wherein, attach troops to a unit in the fixing fitting part of seat parts and adjustable fitting part of attaching troops to a unit in seat backrest component and be interconnected by transmission device, this transmission device plays a role as control apparatus and anchor fitting and determines described two fitting part mutual alignments each other.Described adjustment and anchor fitting have takes turns eccentric part in the flank of tooth for two fitting parts being bearing in it, this eccentric part by two local comprise the relative tilt of pallet wedge shape segmental arc, one grab latch arm between the narrow side of wedge shape segmental arc and one the accumulator that the wide side of wedge shape segmental arc is pushed open is mutually formed.At this, pallet is configured with for the center accommodation hole that be connected antitorque with drive link.Drive link is used for the moment of torsion importing transmission device needed for regulating for angle of back-rest, and for utilizing the accessory of identical type by torque conduction to the opposite side of seat.Pallet is designed to the cover plate with wheel hub sleeve, this wheel hub cover has the accommodation hole of the transmitting torque being positioned at center, wherein, cover plate with and take turns hub sleeve with keeping radial spacing the latch arm integral type of arranging be connected, wherein, cover plate overlaps from the drive area of outside and fitting part.In order to illustrate, accessory is regulated to be described in detail by Fig. 1 to the chair back of DE4436101B4 below.
That the chair back regulates accessory 10 to be placed in the longitudinal sides of two seats of vehicle and seat parts are connected with backrest, the first fitting part 11 fixed that this chair back regulates accessory 10 to have to be connected with seat parts and be connected with backrest, can second fitting part 12 adjustable relative to the first fitting part 11, two fitting parts are interconnected by the turning cylinder Y comprising eccentric part 14, and described turning cylinder Y is designed to the control apparatus of transmission device and the constituent elements of anchor fitting.The spur gear 15 with external gear 16 be even such as made up of the second fitting part 12 by flushing technology also belongs to this transmission device, and this external tooth 16 is meshed with the inner gear 18 of the gear ring 17 of the first fitting part 11 of such as same punching.Tip diameter at least one tooth depth less of the root diameter of inner gear 18 of external gear 16.Therefore, gear 16 and 18 has the number of teeth of at least one tooth of difference, and wherein, the number of teeth of inner gear 18 is greater than the number of teeth of external gear 16.Arrangement described in selection like this, makes external gear 16 can roll on inner gear 18.
The center of the first fitting part 11 within it gear 18 has the traction collar 19, and the pallet 20 being designed to axle sleeve is supported in the described traction collar.Pallet 20 that preferably become by plastic construction, that integrally form in most cases comprises wheel hub sleeve 21, this is taken turns hub sleeve 21 and is rotatably supported in by its overcoat in the traction collar 19 of the first fitting part 11, wherein, with the traction collar 19 local overlap and the latch arm 22 of settling with wheel hub sleeve 21 spaced radial with take turns hub sleeve 21 and be connected, latch arm 22 is also transitioned on the cover plate (not shown) overlapping with drive area in the outside of chair back adjustment accessory 10 as taking turns hub sleeve in its side.In the plane of latch arm 22, two wedge shape segmental arcs 24 are bearing on the traction collar 19 by its inside face, and described wedge shape segmental arc 24 is contacted with the bearing collar 25 in the spur gear 15 being fixed on the second fitting part 12 by its overcoat.The narrow side of wedge shape segmental arc 24 is in less spacing when the chair back regulates the position of accessory to fix with latch arm 22, and the thicker end side of wedge shape segmental arc 24 applies application force generation by the spring arm 27 of annual spring 26 and is separated from each other simultaneously.The traction collar 19 of this wedge shape segmental arc 24 and the first fitting part 11 forms eccentric segment jointly, and spur gear 15 utilizes its gear 16 along extended line the extruding in the teeth portion 18 of internally toothed annulus to eccentric segment first fitting part 11 of eccentric vertex.
In the current DE4436101B4 elaborated by Fig. 1, wedge shape segmental arc 24 is passed through in its narrow side to be driven usually used as the latch arm 22 of drive element (being called for short: actuator).The wide side end face of wedge shape segmental arc 24 is booked by two spring pins 27 by the accumulator of annual spring 26 form, and wedge shape segmental arc 24 is mutually extrapolated by the wide side of wedge shape segmental arc 24.
In above-mentioned DE3013304C2, " actuator " of wedge shape segmental arc 31 ', 32 ' in its narrow side by pallet dish 27 form is driven.At this, the side of wedge shape segmental arc 31 ', 32 ' also by being booked at its end face at the accumulator of this helically pressure spring 33 form, and makes wedge shape segmental arc 31 ', 32 ' mutually be extrapolated by the end face of the wide side of wedge shape segmental arc 31 ', 32 '.
In above-mentioned DE102004013272B3, wedge shape segmental arc 13 is similar to " actuator " of aforementioned patent literature also in its narrow side by latch pin 21 form and is driven, and latch pin 21 is placed on the pallet dish 18 of pallet sleeve 17.The side of the wide side of wedge shape segmental arc 13 by being that the accumulator of Omega spring 15.1 form is booked at this, and makes wedge shape segmental arc 13 mutually be extrapolated by the end face of the wide side of wedge shape segmental arc 13 equally.
Be with the common ground of the adjustment accessory of similar technique principles of construction according to prior art, the drive surface of drive element (actuator) acts on the narrow side of wedge shape segmental arc respectively, and the accumulator affecting the diameter clearance of wedge shape segmental arc acts on each wide side of wedge shape segmental arc.
In order to produce the driving torque regulating accessory as small as possible, in a large amount of structure design, employ the fitting part of the mutual eccentric motion of bearing-type, the plain bearing of low friction.Such as this want it is clear that, professional thinks deeply at this driving torque how reducing to regulate accessory as far as possible always.
Summary of the invention
Technical matters to be solved by this invention is, how to reduce the driving torque regulating accessory.
Solve technical matters of the present invention by some technical characteristics known in patent documentation DE4436101B4: a kind of adjustment accessory, the chair back being particularly useful for automobile seat regulates accessory, wherein, attach troops to a unit in the first fixing fitting part of seat parts and adjustable second fitting part of attaching troops to a unit in seat backrest component and be interconnected by transmission device, this transmission device plays a role as control apparatus and anchor fitting and determines described two fitting part mutual alignments to each other, supported prejudicially under the impact of the parts that the fitting part of described adjustment accessory rotatably drives at least one moving axis that rotates in the plane of action of its gear teeth.
Specify according to the present invention, at least one actuator is so that from least one drive point, the power be delivered on wedge shape segmental arc acts at least one point of action of the contact surface of in two wide side region of wedge shape segmental arc, close wedge shape segmental arc like this, make described wedge shape segmental arc along regulating the direction of the power circumferentially of accessory with enhancement method or being driven more strongly, wherein, be provided with the spring installation settled independent of described actuator, described spring installation as accumulator by the narrow layback of wedge shape segmental arc together, thus affects diameter clearance.
That actuator is not the narrow side acting on wedge shape segmental arc at first difference of this and prior art, but by the wide side transmitting forces of two wedge shape segmental arcs.This point is favourable, because the actuator of pallet form acts directly in the wedge shape segmental arc of driving, and after not direct driven wedge shape segmental arc is pulled to.
In addition, be that the accumulator being designed to spring installation does not grab the wide side at wedge shape segmental arc, but catches narrow side and pull to together, thus affects diameter clearance with second difference of prior art.This point is favourable, saves space-efficient version because of realizing so simple.
Described design plan has carried out inverted layout relative to DE4436101B4.In DE4436101B4, actuator, latch arm engage in narrow side, and spring installation acts on wide side.Thus, one " inverted pallet " or compared with prior art " inversion " pallet of settling is related according to solution of the present invention.
Provide according to adjustment accessory of the present invention, at least one actuator is to be formed at least one point of action of the contact surface of in two wide side region of wedge shape segmental arc, close wedge shape segmental arc from least one drive point power be delivered in wedge shape segmental arc, and so act at this, wedge shape segmental arc is frictionally driven by nothing along regulating the circumferencial direction of accessory.
At this, in preferred design of the present invention, the point of action being undertaken by least one power loading by the drive point of at least one actuator forms profile near the contact surface of wedge shape segmental arc, and this profile is set up or is formed in the inside face of wedge shape segmental arc.Measurement shows, drive point is furnished with near contact surface the friction being beneficial to and reducing relative to the component adjoined with wedge shape segmental arc.The actuator of pallet form acts directly on the wedge shape segmental arc of driving, and after the wedge shape segmental arc of non-Direct driver is pulled to, realizes the reduction rubbed thus.
In another favourable design plan of the present invention, to be carried in wedge shape segmental arc by least one power by the drive point of at least one actuator that the point of action of applying effect is not only arranged near wedge shape segmental arc, but also be arranged on the drive point that formed on the profile of the inside face of wedge shape segmental arc, and the point of action of at least one actuator is settled by the outside face being positioned as close to wedge shape segmental arc thus.
Advantageously, be delivered to direction along the circumferential direction outwards effect further in wedge shape segmental arc of the power in wedge shape segmental arc by actuator, be reduced relative to the friction force of the bearing collar in the direction along power be positioned on the outside face of wedge shape segmental arc thus.
By the technical characteristic of the following embodiment that also will describe in detail, driving torque is made to be reduced unlike the prior art in an advantageous manner, thereby reduce the power of user spent by adjustment adjustment accessory, or the plain bearing of the costliness that at least one majority of case is made up of expensive material can be dispensed in the appropriate case.
In addition, in preferred design of the present invention, for the corresponding profile that its moulding uses in pallet and wedge shape segmental arc, to be conducive between pallet and wedge shape segmental arc and wedge shape segmental arc and regulate affect diameter clearance in accessory spring installation between carry out the reliable delivery of higher drive force.
In preferred design of the present invention, regulate accessory in wedge shape segmental arc, in wide side region, be designed with the profile of the actuator side near thicker end side.
In the improvement project of this preferred design, the profile of described actuator side is Internal periphery, described Internal periphery and the outline being designed to the actuator of pallet form be entrenched in Internal periphery form contemplated point of action jointly, and described point of action plays the effect of the drive point of actuator.
In preferred design of the present invention, the drive point of actuator or point of action are with settling with the spacing of the adjusting shaft regulating accessory of presetting, wherein, by the degree of depth of adjustment with the groove of the formation Internal periphery in wedge shape segmental arc, and/or form described spacing by the length of the projection of the formation outline of actuator correspondingly, described projection and corresponding groove tabling, form Internal periphery thus.
In preferred design, spring installation is entrenched in from the left and right sides respectively respectively by its end regions near wedge shape segmental arc narrow end side in the profile of the spring installation side of the wedge shape segmental arc on left side and right side, and the profile of described spring installation side is designed to Internal periphery equally.
In preferred design, the profile of the spring installation side in wedge shape segmental arc is designed to the groove of groove-like, the end of described spring installation can be fixed especially simply, especially can hang in groove.
Finally specify in preferred design of the present invention, the pallet of accessory is regulated to be designed to have dust guard or the cover plate of wheel hub sleeve, described wheel hub cover has the accommodation bearing of the transmitting torque at center, wherein, described cover plate with and take turns hub sleeve and keep the latch arm integral type of radial spacing to be connected, wherein, described cover plate overlaps from the drive area of outside and two fitting parts.
Accompanying drawing explanation
The present invention is elaborated according to two embodiments from principle below in conjunction with accompanying drawing.In the accompanying drawings:
Fig. 1 illustrates the adjustment accessory according to prior art;
Fig. 2 illustrates the schematic diagram in the capacity eccentric bearing region according to adjustment accessory of the present invention in the first embodiment, wherein constitute the profile of wedge shape segmental arc type, wherein, effect actuator over the outline forms point of action, near the contact surface that these point of actions are arranged on the side of wedge shape segmental arc and substantially near the respective inner surfaces of wedge shape segmental arc;
Fig. 3 illustrates the schematic diagram in the capacity eccentric bearing region according to adjustment accessory of the present invention in the second embodiment, wherein constitute the profile of wedge shape segmental arc type, wherein, effect actuator over the outline forms point of action, these point of actions are set to the contact surface of the side closer to wedge shape segmental arc, and arrange farther on the direction of the respective outside face of wedge shape segmental arc.
Detailed description of the invention:
Fig. 2 and 3 illustrates the capacity eccentric bearing region of adjustment accessory 10 mainly of the present invention respectively schematically.Below when continuing the Reference numeral using DE4436101B4, a kind of principle design scheme regulating accessory 10 is described, wherein, attach troops to a unit in the fixing fitting part of seat parts and adjustable fitting part of attaching troops to a unit in seat backrest component and be interconnected by transmission device, this transmission device plays a role as control apparatus and anchor fitting and determines described two fitting part positions relative to each other, supported prejudicially under the impact of the parts that the fitting part of described adjustment accessory rotatably drives at least one moving axis that rotates in the plane of action of its gear teeth, because the present invention is also based on the basic structure of adjustment accessory 10 described in FIG.Illustrate the difference with DE4436101B4 in the following description.
In the schematic diagram in the capacity eccentric bearing region according to adjustment accessory 10 of the present invention of Fig. 2 and 3, profile 28, the 28-1 of actuator side is unlike the prior art designed with in wedge shape segmental arc 24, unlike the prior art, described profile 28,28-1 be positioned at wedge shape segmental arc 24 wide side region, especially near the wider side 24BS of wedge shape segmental arc 24.
The profile 28-1 being designed to the actuator side in the wedge shape segmental arc 24 of Internal periphery 28 combines with the outline carrying out chimeric actuator 22, this actuator 22 is formed in the mode of pallet, contemplated point of action 31,31 ' plays the effect of the drive point of actuator 22, wherein, drive point and point of action 31,31 ' occupy in adjustment accessory 10 inside the predeterminable position determined.
As shown unlike the prior art, at least one actuator 22 corresponding acts on the wide side region of two wedge shape segmental arcs 24, wherein be provided with the spring installation 13 settled independent of actuator 22, unlike the prior art, this spring installation 13 is not by the wide side of wedge shape segmental arc 24 as accumulator, but by its narrow layback together, thus affect diameter clearance.
First embodiment:
According to Fig. 2, the drive point of actuator 22, i.e. point of action 31 be positioned near wedge shape segmental arc 24 thicker end side 24BS and thus near the contact surface 26 of side.Spring installation 13 is entrenched in from the left and right sides in the profile 28-2 of the spring installation side in left side and right side wedge shape segmental arc 24 respectively by its end regions near narrower side 24SS, and the profile 28-2 of described spring installation side is designed to Internal periphery 28.
Second embodiment:
According to Fig. 3, in this second embodiment, the drive point of actuator 22 and point of action 31 thus not only near wider side 24BS, but also unlike the prior art also near the outside face 24A of wedge shape segmental arc 24.As in the first embodiment, spring installation 13 is entrenched in from the left and right sides in the profile 28-2 of the spring installation side in left side and right side wedge shape segmental arc 24 respectively by its end regions near narrower side 24SS.
Two embodiments:
Two embodiments provide the favourable mode of action, namely, actuator 22 forms direction F31 or F31 ' of power by the drive point forming point of action 31,31 ', direction F31 or F31 ' of this power is along the circumferencial direction effect regulating accessory 10, but the direction of power is so directed, capable direction is made to cause less friction force between wedge shape segmental arc 24 and adjacent bearing collar 25.
Direction F31, F31 by the power shown in arrow in two embodiments ' go up corresponding power F respectively according to regulating the rotation direction of accessory 10 to act near side contact surface 26 along one or the other direction regulated in the circumferencial direction of accessory 10, wherein, the friction force acted between wedge shape segmental arc 24 on the bearing collar 25 of the second fitting part 12 and bearing collar 25 is compared with prior art reduced, wherein, actuator 22 device from side close to wedge shape segmental arc 24 and near contact surface 26.
Comparison diagram 2 and Fig. 3, as measurements show, point of action 31,31 ' arrange from the end side surface 24BS of wide side contact surface 26 more close to, relative second fitting part 12 in face due to the contact area of wedge shape segmental arc 24 around bearing collar 25 contact area face friction force reduce, make regulate accessory 10 driving torque reduce.
Comparison diagram 2 and Fig. 3, as measurements show, point of action 31,31 ' the direction of the outside face 24A towards wedge shape segmental arc 24 arrange further (from outside face 24A more close to), because the face of the contact area of wedge shape segmental arc 24 reduces around the friction force in the face of the bearing collar 25 of the second fitting part 12 of wedge shape segmental arc 24 relatively, make to regulate the driving torque of accessory 10 to reduce further.
At this, power F31 ' on the drive point of the formation point of action 31 ' of the second embodiment (Fig. 3) starts along the circumferential direction outwards to act on the distance of the second radius r 2 from Y-axis, and this power F31 ' along the circumferential direction outwards acts on further than the power F31 that the point of action 31 of the first embodiment (Fig. 2) is the first radius r 1 apart from Y-axis spacing.
Point of action 31 ' (Fig. 3) in second embodiment is nearer apart from the outside face 24A of wedge shape segmental arc 24 than the point of action 31 in the first embodiment, and point of action 31 only has the distance of the first radius r 1 from Y-axis from Y-axis.
According to the second embodiment, because drive point or point of action 31 ' are with larger spacing, namely arrange distance Y-axis is farther with larger radius r 2>r1, make to achieve generally at the element arrangement regulating accessory 10 internal action better effects if compared to the first embodiment and prior art.At this, point of action 31 ' is in farther position compared to the first embodiment, thus power F31 ' along the circumferential direction farther position effect, and wedge shape segmental arc 24 adjust regulate accessory 10 time with the lower friction operation of relative bearing collar 25.
The power of point of action 31 ' is marked the directional arrow F31 ' with power in figure 3.To form the first angle [alpha] 1 in the first embodiment relative to the first dot-dash reference line B 1 according to Fig. 2, and the directional arrow F31 with power on point of action 31 is marked, the second angle [alpha] 2 (α 1> α 2) is greater than according to forming the second angle [alpha] 2, first angle [alpha] 1 between Fig. 3 the second dot-dash reference line B 2 in this second embodiment.Thus, point of action 31 ' more closely moves on the contact surface 26 of wedge shape segmental arc 24.In figure 3, the power of the second embodiment is shown by the directional arrow F31 ' of the power on point of action 31 '.The contact surface 26 of the side 24BS of point of action 31 ' distance broad side is nearer, and point of action 31 ' is set to further on the direction of the outside face 24A towards wedge shape segmental arc 24, then by conjunction with these effects, friction force between the bearing collar 25 of second fitting part 12 in the face due to the contact area of wedge shape segmental arc 24 and the face around the contact area of wedge shape segmental arc 24 reduces, and makes to regulate the driving torque of accessory 10 to be reduced.
Thus, the mode of action that friction force reduces passes through 2 realizations.First, the drive point of power F to be passed and thus point of action 31,31 ' are arranged on the vicinity of the side 24BS of the wide side of wedge shape segmental arc 24, the side in wedge shape segmental arc 24, and the second, drive point or point of action 31,31 ' as far as possible along towards wedge shape segmental arc 24 direction, that is near wedge shape segmental arc 24 outside face 24A arrange.
To sum up, the position of point of action 31,31 ' is together with the determining positions of the drive point of actuator 22, power F31, the F31 ' of actuator 22 are from what position and carry out and regulate the adjusting motion of accessory 10, and from what position, carry out the adjusting motion regulating accessory 10 relative to bearing collar 25 at point of action 31,31 '.
Implementing in detail further about the first embodiment: in the arrangement shown in Fig. 2, actuator 22 has the region of bent intermediate, and this region is with the inner surface movement of the exterior contour of the traction collar 19 of the first fitting part 11.The exterior contour of actuator 22 has two short protruding 22-1K, and this protruding 22-1K radially extends relative to the Y-axis of the rotational axis line regulating accessory 10.Short protruding 22-1K with the preset angle β 1 formed between boost line H1 from setting.The groove 32-1K of short protruding 22-1K and affiliated wedge shape segmental arc 24 is engaged in wedge shape segmental arc 24.In short protruding 22-1K, symmetrical opposed point of action 31 is formed in opposite wedge shape segmental arc 24 with the radial spacing of the first radius r 1 of distance Y-axis, and described point of action is positioned in dot-dash reference line B 1.The direction F31 of the power by point of action 31 shown in Figure 2, the boost line H1 that the direction F31 of this power is arranged perpendicular to relative Y-axis radial direction extends.The direction F31 of power extends with the circumferencial direction of angle [alpha] 1 along wedge shape segmental arc 24 relative to reference line B 1.When point of action 31 closer on the contact surface of wedge shape segmental arc 24 time, that is as the second embodiment of the combination point 31 ' in Fig. 3, when being arranged on the side of wedge shape segmental arc 24 as much as possible, make this angle [alpha] 1 be variable thus.
Detailed enforcement about the second embodiment: in the arrangement shown in Fig. 3, actuator 22 has the region of bent intermediate equally, and this region is with the inner surface movement of the exterior contour of the traction collar 19.The exterior contour of actuator 22 to have compared with the first embodiment two long protruding 22-1L, and this protruding 22-1L radially extends relative to the Y-axis of the turning cylinder regulating accessory 10.In addition compared to the first embodiment, long protruding 22-1L with the preset angle β 2 (β 1> β 2) formed between boost line H2 by from setting.The groove 32-1L that long protruding 22-1L is longer with affiliated ratio first embodiment is engaged in wedge shape segmental arc 24.In long protruding 22-1L, symmetrical opposed point of action 31 ' is formed in opposite wedge shape segmental arc 24 with the radial distance of the second radius r 2 apart from Y-axis respectively, and described point of action 31 ' is positioned in dot-dash reference line B 2.The direction F31 ' of the power by point of action 31 ' shown in Figure 3, the boost line H2 that the direction F31 ' of this power is arranged perpendicular to relative Y-axis radial direction extends.The direction F31 ' of power extends with the circumferencial direction of the angle [alpha] 2 (α 2> α 1) being less than angle [alpha] 1 along wedge shape segmental arc 24 relative to reference line B 2.
Express according to the first and second embodiments, by point of action 31, the change of the position of 31 ', compared to prior art, be delivered to the direction F31 of the power on corresponding wedge shape segmental arc 24 and adjacent members shaft carrier ring 25, F31 ', reduced by wedge shape segmental arc 24 and the friction force in the face contacted with each other of bearing collar 25 and be conducive to driving torque and reduce, method is, the drive point of at least one actuator 22 or point of action 31, 31 ' settles near the contact surface 26 of wedge shape segmental arc 24 or arranges, and/or method is, the drive point of at least one actuator 22 or point of action 31, 31 ' settles or setting near the outside face 24A of wedge shape segmental arc 24.
Usually, be designed to the groove 32 of groove-like in wedge shape segmental arc 24 equally near the profile 28-2 of the spring installation side of the narrow end side 24SS of wedge shape segmental arc, make the end of the spring installation 13 in this groove 32 easily fix, especially hang in wedge shape segmental arc 24.
Regulate accessory 10 to be provided with unshowned dust guard or cover plate, it at least has pallet 20 or pallet 20 and takes turns hub sleeve 21.
When cover plate is provided with pallet 20 and wheel hub sleeve 21, the cover plate wherein heart has the accommodation bearing of sleeve-shaped, and described accommodation bearing is used as the transmitting element holding transmitting torque.
In preferred design, cover plate with and take turns hub sleeve 21 and keep the pallet 20 of radial spacing to be integrally connected.In another preferred design, the drive area of cover plate and rotating second fitting part 12 overlaps.
The wheel hub sleeve 21 of the pallet 20 wherein heart has the accommodation bearing run through, and it is designed to taper hole, and has the taper sheath slightly extended inside seat.
Pallet 20 is provided with annular groove on its wheel hub sleeve region relative to cover plate projection vertically.In this annular groove, the lock pin of the assembly belonging to driver element by kayser, and this driver element transmitting torque ground is connected with (same unshowned) drive link.
Driver element is such as hand control wheel, and the wheel hub that lock pin is located at this hand control wheel puts, and lock pin can by plastics integrated injection molding.Wheel hub sleeve self has pallet hole, and this pallet hole is corresponding with drive link shaping, and when axial location by lock pin fixed manual pilot wheel as rotational synchronization part.
As mentioned above, cover plate can be one-body molded on wheel hub sleeve 21.
In favourable mode, cover plate is designed to two-piece type, because for stable reason, wheel hub body is made up of hard material, and simultaneously in order to better seal, isolated noise avoid higher operational torque, the upper member of cover plate is preferably made up of soft material.
List of numerals
10 regulate accessory
11 fixing fitting parts
12 rotating fitting parts
13 spring installations
14 eccentric parts
15 spur gears
16 external tooths
17 gear rings
18 internal tooths
The 19 traction collars
20 pallets
21 take turns hub sleeve
22 parts/the actuators driven
The projection that 22-1K is short
The projection that 22-1L is long
24 wedge shape segmental arcs
The narrow end side of 24SS wedge shape segmental arc
The thicker end side of 24BS wedge shape segmental arc
24A outside face
24I inside face
25 bearing collars
26 contact surfaces
The spring pin of 27 spring installations
28 Internal periphery
The profile of the actuator side in 28-1 wedge shape segmental arc
The profile of the spring installation side in 28-2 wedge shape segmental arc
29 plane of action being positioned at radial face
The direction of the power of F29 from radial effect face
31 point of actions
The direction of the power of F31 from 31
31 ' point of action
The direction of the power of F31 ' from 31 '
32 recess/grooves
The groove that 32-1K is short
The groove that 32-1L is long
α 1, α 2 angle
R1, r2 distance
E eccentric throw
Y regulates the axis of accessory
B1 line of reference
B2 line of reference
H1 boost line
H2 boost line
Claims (9)
1. one kind regulates accessory (10), wherein, attach troops to a unit in the fixing fitting part (11) of seat parts and adjustable fitting part (12) of attaching troops to a unit in seat backrest component and be interconnected by transmission device, this transmission device plays a role as control apparatus and anchor fitting and determines described two fitting parts (11, 12) position relative to each other, the fitting part (11 of described adjustment accessory (10), 12) at its gear teeth (16, 18) supported prejudicially under the impact of the parts (22) that plane of action at least one moving axis that rotates (Y) inherent rotatably drives, it is characterized in that, at least one actuator (22) is so that from least one drive point, the power be delivered in wedge shape segmental arc (24) acts in the wide side region of two wedge shape segmental arcs (24) like this, respectively near at least one point of action (31 of the contact surface (26) of described wedge shape segmental arc (24), 31 ') on, make described wedge shape segmental arc (24) along the direction (F31 in described adjustment accessory (10) power circumferentially, F31 ') driven more strongly, wherein, be provided with the spring installation (13) settled independent of described actuator (22), described spring installation (13) as accumulator by the narrow layback of wedge shape segmental arc (24) together, thus affect diameter clearance.
2. regulate accessory as claimed in claim 1, it is characterized in that, described adjustment accessory (10) is for automobile seat.
3. regulate accessory as claimed in claim 1, it is characterized in that, in described wedge shape segmental arc (24), in wide side region, be designed with the profile (28,28-1) near the actuator side of wide side (24BS).
4. regulate accessory as claimed in claim 3, it is characterized in that, the profile of described actuator side (28,28-1) is Internal periphery (28), described Internal periphery (28) forms contemplated point of action (31,31 ') jointly with the outline of the actuator (22) being designed to pallet form be entrenched in described Internal periphery (28), and described point of action (31,31 ') plays the effect of the drive point of actuator (22).
5. regulate accessory as claimed in claim 4, it is characterized in that, the drive point of described actuator (22) or point of action (31, 31 ') with preset with the spacing (r1 of turning cylinder (Y) regulating accessory (10), r2) settle, wherein, in wedge shape segmental arc (24), the groove (32-1K of Internal periphery (28) is formed by adjustment, degree of depth 32-1L), and/or correspondingly by the projection (22-1K of the formation outline of actuator (22), length 22-1L) and obtain described spacing (r1, r2), described projection (22-1K, 22-1L) be entrenched in corresponding groove (32-1K, 32-1L).
6. regulate accessory as claimed in claim 1, it is characterized in that, described spring installation (13) is entrenched in the profile (28,28-2) of the spring installation side in left side and right side wedge shape segmental arc (24) by its end regions near wedge shape segmental arc (24) narrow side (24SS) respectively from the left and right sides, the profile of described spring installation side (28,28-2) is designed to Internal periphery (28).
7. regulate accessory as claimed in claim 6, it is characterized in that, the profile of the spring installation side in described wedge shape segmental arc (24) (28,28-2) is designed to the groove (32) of groove-like, and the end of described spring installation (13) can be fixed in described groove (32).
8. regulate accessory as claimed in claim 7, it is characterized in that, described end can be hooked in described groove (32).
9. regulate accessory as claimed in claim 1, it is characterized in that, described actuator (22) is pallet, described pallet is designed to the cover plate with wheel hub sleeve (21), described wheel hub cover have be positioned at center, the accommodation bearing of transmitting torque, wherein, described cover plate with and described take turns hub sleeve (21) with keeping radial spacing the latch arm integral type of arranging be connected, wherein, described cover plate overlaps from the drive area of outside and two fitting parts (11,12).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011016053.1 | 2011-04-05 | ||
| DE102011016053.1A DE102011016053B4 (en) | 2011-04-05 | 2011-04-05 | Adjustable fitting with a reduced drive torque |
| PCT/EP2012/000283 WO2012136288A1 (en) | 2011-04-05 | 2012-01-23 | Adjustment fitting with a reduced driving torque |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103459195A CN103459195A (en) | 2013-12-18 |
| CN103459195B true CN103459195B (en) | 2016-03-23 |
Family
ID=45558016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280017232.7A Active CN103459195B (en) | 2011-04-05 | 2012-01-23 | There is the adjustment accessory of lower driving torque |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103459195B (en) |
| DE (1) | DE102011016053B4 (en) |
| WO (1) | WO2012136288A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369307B (en) * | 2021-03-15 | 2023-09-26 | 太原科技大学 | Ring roller rotary rolling mill |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371207A (en) * | 1980-04-05 | 1983-02-01 | Keiper Automobiltechnik Gmbh & Co. Kg | Position adjuster for motor vehicle seats and windows |
| US5634689A (en) * | 1993-11-30 | 1997-06-03 | Keiper Recaro Gmbh & Co. | Articulated fitting for seats with adjustable backrest, in particular motor vehicle seats |
| CN1547534A (en) * | 2001-09-06 | 2004-11-17 | Fitting for a vehicle seat | |
| CN1672979A (en) * | 2004-03-18 | 2005-09-28 | 福尔西亚汽车座两合公司 | Device for adjustment of level of inclination of back part of motor vehicle seat |
| DE202009007520U1 (en) * | 2009-02-27 | 2009-08-20 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE856103C (en) | 1942-01-24 | 1952-11-20 | Auto Union A G | Self-locking adjustment device by locking mechanism, especially for car seats |
| CA2422904A1 (en) | 2000-09-29 | 2002-04-04 | Intier Automotive Inc. | Planocentric disc recliner |
-
2011
- 2011-04-05 DE DE102011016053.1A patent/DE102011016053B4/en not_active Expired - Fee Related
-
2012
- 2012-01-23 WO PCT/EP2012/000283 patent/WO2012136288A1/en active Application Filing
- 2012-01-23 CN CN201280017232.7A patent/CN103459195B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4371207A (en) * | 1980-04-05 | 1983-02-01 | Keiper Automobiltechnik Gmbh & Co. Kg | Position adjuster for motor vehicle seats and windows |
| US5634689A (en) * | 1993-11-30 | 1997-06-03 | Keiper Recaro Gmbh & Co. | Articulated fitting for seats with adjustable backrest, in particular motor vehicle seats |
| CN1547534A (en) * | 2001-09-06 | 2004-11-17 | Fitting for a vehicle seat | |
| CN1672979A (en) * | 2004-03-18 | 2005-09-28 | 福尔西亚汽车座两合公司 | Device for adjustment of level of inclination of back part of motor vehicle seat |
| DE202009007520U1 (en) * | 2009-02-27 | 2009-08-20 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
Non-Patent Citations (1)
| Title |
|---|
| 修正齿形针摆传动初始间隙计算方法;蒙运红等;《华中科技大学学报（自然科学版）》;20080229;第36卷(第2期);第9-12页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011016053B4 (en) | 2022-07-14 |
| CN103459195A (en) | 2013-12-18 |
| WO2012136288A1 (en) | 2012-10-11 |
| DE102011016053A1 (en) | 2012-10-11 |
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Address after: Wolfsburg, Germany Patentee after: Brose West Deke Co.,Ltd. Address before: Wolfsburg, Germany Patentee before: SITECH SITZTECHNIK GmbH |