WO2013167100A1 - Radial adjustment means having locking function - Google Patents
Radial adjustment means having locking function Download PDFInfo
- Publication number
- WO2013167100A1 WO2013167100A1 PCT/DE2012/100134 DE2012100134W WO2013167100A1 WO 2013167100 A1 WO2013167100 A1 WO 2013167100A1 DE 2012100134 W DE2012100134 W DE 2012100134W WO 2013167100 A1 WO2013167100 A1 WO 2013167100A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ring
- teeth
- locking ring
- detent
- locking
- Prior art date
Links
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
- B60N2/2218—Transversally moving locks
-
- 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
- B60N2/235—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 gear-pawl type mechanisms
Definitions
- the invention relates to a radial adjustment with locking function and in particular a pivoting device for the back of a seat with an inner and an outer locking unit.
- Pivoting devices of the type mentioned are used, for example, in vehicle construction and in particular in auto ⁇ mobilbau to adjust the backs of vehicle seats in their angle with respect to the relevant seat in terms of adaptation to the physiognomic features and sitting habits of a vehicle occupant.
- the known pivoting devices are usually provided with a set screw, upon actuation of the backrest is pivoted over an angle that is proportioned to the extent of adjustment of the screw.
- the known pivoting devices however, have the disadvantage that the duration of the process of a Change in backrest angle is proportional to the size of the angle of change, and is time consuming for larger angle changes.
- the known pivoting devices are designed relatively small with respect to the load acting on them and can easily fail especially with larger loads or forces acting differently on them.
- the object of the invention is therefore to provide a radial adjustment with locking function, by means of which a change, for example, a seat back angle even with larger changes in angle is particularly fast feasible, and withstands the large forces and loads.
- the radial adjustment comprises an inner latching unit and an outer latching unit, wherein the inner latching unit has an inner latching bearing and an inner latching ring arranged therein with a ring gear, and the outer latching unit an outer detent ring arranged thereon with a sprocket, wherein the inner and the outer detent ring are pivotally mounted about a common central axis and from a coupling position in which engage the teeth of the ring gear of the inner detent ring in the interstices of the teeth of the ring gear of the outer detent ring and the teeth of the ring gear of the outer locking ring engage in the interstices of the teeth of the ring gear of the inner locking ring, re
- a radial adjustment comprises an inner latching unit and an outer latching unit and the inner latching unit has an inner latching bearing and an inner latching ring arranged therein with a ring gear, and the outer latching unit with an outer latching ring arranged thereon a ring gear, wherein the inner and the outer locking ring are pivotally mounted about a common central axis and from a coupling position in which engage the teeth of the ring gear of the inner locking ring in the interstices of the teeth of the ring gear of the outer locking ring and vice versa, reversible in one Uncoupling be transferred position in which engagement of the respective teeth of the inner locking ring is prevented in the interstices of the teeth of the outer locking ring, achieved that the three operations
- Rastringes with the teeth of the ring gear of the outer locking ring within a very short periods of time are feasible, so that with the same security, for example, a Lehnen usedung significantly faster than in the prior art is feasible.
- the disadvantage of the low load capacity known swivel devices is overcome by the use of two locking units with locking rings.
- the inner latching unit further comprises a disposed between the inner detent bearing and the inner detent spring element, by means of which the inner detent ring and the outer detent ring are biased towards each other in a coupling position and against the Force of the spring element in a decoupling position can be transferred.
- the spring element is arranged on the central axis.
- a restoring element between the inner locking ring and the outer locking ring is arranged and the outer locking ring in a previously defined position relative forces to the inner locking ring.
- the return element is a torsion spring.
- a trigger is so connected to the inner locking ring that is moved by operating the trigger of the inner locking ring within the inner locking bearing.
- the trigger may be a mechanical, pneumatic or electrical trigger.
- the trigger comprises a cable pull.
- the trigger comprises a Bowden cable.
- the one end of the trigger is preferably connected to a center of the inner locking ring.
- an outer circumference of the outer locking ring, which faces in the direction of the inner latching unit, is at least partially circular, and the inner locking ring has a polygonal outer periphery, wherein the inner locking bearing has a recess for Receiving the inner and the outer locking ring, wherein the recess has a portion of a circular smooth front circumference, in which the outer locking ring can engage, and a polygonal rear periphery, in which the inner locking ring can engage.
- the outer locking unit further comprises an outer locking bearing, in which the outer locking ring is arranged.
- the teeth of the outer ring gear of the inner locking ring can be arranged and offset according to a first alternative with respect to the teeth of the outer ring gear of the outer locking ring so that for clockwise rotation of the outer ring gear of the inner locking ring to the teeth of the outer ring gear of the outer Rende ring adjacent, and thereby the teeth of the inner ring gear of the outer locking ring with respect to the teeth of the inner ring gear of the inner locking ring so staggered and spaced so that the teeth of the inner ring gear of the outer locking ring for a Counterclockwise rotation to the teeth of the inner ring gear of the inner locking ring adjacent.
- the teeth of the outer ring gear of the outer locking ring can be offset and spaced with respect to the teeth of the outer ring gear of the inner locking ring so that for counterclockwise rotation, the teeth of the outer ring gear of the outer locking ring to the teeth of the outer Ring gear of the inner locking ring adjacent, and thereby the teeth of the inner ring gear of the outer locking ring with respect to the teeth of the inner ring gear of the inner locking ring so offset and spaced so that the teeth of the inner ring gear of the outer locking ring for clockwise rotation of the teeth of the adjacent inner ring gear of the inner locking ring.
- Figure 1 shows a preferred embodiment of the radial adjustment Invention ⁇ to the invention in an exploded view.
- FIG. 2 shows the preferred embodiment of the radial adjustment according to the invention shown in FIG. 1 from a different perspective
- FIG. 5 an outer and inner ring gear of the outer latching unit.
- the inventive radial adjustment with locking function 100 shown in Figures 1 to 3 is shown as a pivoting device, in particular for the back of a seat, preferably for the back of a vehicle or aircraft seat, and includes an inner latching unit 110 and an outer latching unit 120.
- the inner latching unit 110th has an inner detent bearing 111 and an inner locking ring 112 movably disposed therein with a toothed rim 115.
- the outer latching unit 120 accordingly has an outer latching ring 122 arranged thereon with a further toothed rim 125. Both locking rings 112 and 122 are pivotally mounted about a common central axis (not shown).
- an outer periphery of the outer latching ring 122 facing toward and at least partially inserted in the inner latching unit 111 is at least partially circular in shape.
- the inner locking ring 115 is designed with a polygonal outer circumference, for example an eight, ten or twelve-sided circumference.
- the inner detent bearing 111 has a recess purple and 111b for receiving both locking rings 112 and 122, wherein the recess has a portion of a circular smooth circumference purple, in which the outer locking ring 122 with can engage its circular circumference, and a portion of a polygonal circumference 111b, in turn, the inner locking ring 112 can engage with its polygonal circumference.
- the number of corners in the polygonal periphery 111b of the inner latching unit 111 must correspond to the number of corners of the polygonal periphery of the inner latching ring 112.
- the Inner detent bearings 111 and the inner detent ring 112 are dimensioned so that the inner detent ring 112 can be moved within the range of the polygonal circumference 111b of the inner detent bearing 111 in the assembled state of the inventive radial adjustment along the central axis.
- both the inner detent ring 112 and the outer detent ring 122 are movable along the central axis.
- a spring element 114 is arranged between the inner detent bearing 111 and the inner detent ring 112, by which the inner detent ring 112 and the outer detent ring 122 are biased towards each other into a coupling position.
- both locking rings 112 and 122 must be acted against the force of the spring element 114.
- a plurality of spring elements are conceivable.
- the plurality of spring elements can also be arranged as an alternative to the position on the central axis in a circle between the inner detent bearing 111 and the inner detent ring 112.
- a trigger 130 is provided, which is so connected to the inner locking ring 112 that by operating the trigger 130 of the inner locking ring 112 within the inner locking bearing 111 of the outer locking ring 122 is moved away.
- an end 131 of the trigger 130 which is connected to the inner locking ring 112, guided along the central axis.
- the trigger 130 is a mechanical trigger that includes a Bowden cable having one end 131 connected to a center of the inner latching ring 112.
- actuation or pulling of the trigger 130 causes movement of the inner latching ring 112 within the inner latching bearing 111 in the decoupling position against the bias of the spring element 114. Accordingly, by re-operating or releasing the trigger 130, the inner latching ring 112 is replaced by the restoring force of the actuator Spring element 114 transferred to the coupling position.
- a mechanical shutter 130 any other suitable techniques may be used to 112 and 122 to separate the snap rings from each other against the bias of the spring member 114 and to convert it into a decoupling ⁇ position.
- electrical, hydraulic and pneumatic triggers or methods or combinations thereof may be mentioned here.
- the inner latching unit 110 is fixedly connected to a bottom plate, such as a seat or the like, while the outer locking unit 120 is connected to the seat back or is an integral part thereof.
- connecting means 140 for example screws or bolts, are provided in the particularly preferred embodiment.
- a return element 113 in the form of a torsion spring between the inner and outer locking ring 112 and 122 are arranged.
- the return element 113 forces the outer locking ring 122 and thus the associated Seat back in a previously defined position relative to the inner locking ring 112, for example perpendicular thereto.
- the spring force of the return element 113 is preferably designed so that, with a simple push against the spring force, the outer latching ring 122 can be moved relative to the inner latching ring 112.
- the outer latching unit 120 comprises an outer latching bearing 121 into which the outer latching ring 122 engages flush.
- An inner periphery of the latching bearing 121 has a polygonal circumference into which a polygonal outer periphery of the outer latching ring 122 existing in addition to the partially circular outer periphery is flush.
- the outer detent bearing 121 provides a frame for connection with, for example, a seat back to protect the seat back from strong mechanical forces.
- FIG. 3 shows a particularly preferred embodiment of the radial adjustment according to the invention in a sectional view analogous to FIGS. 1 to 2 without an outer latching bearing 121.
- FIG. 3 shows the coupling position in which the inner latching ring 112 is moved in the direction of the outer latching ring 122 by the force of the spring element 114 is pressed so that the teeth 116 of the ring gear 115 of the inner locking ring 112 engage in the interstices of the teeth 126 of the ring gear 125 of the outer locking ring 122 and the teeth 126 in the interstices of the teeth 116.
- the inner locking ring 112 and the inner Detent bearing 111 a clearance A.
- the inner locking ring 112 To transfer to the decoupling position, the inner locking ring 112 by means of the trigger 130, one end 131 engages a center of the inner locking ring 112, guided in the clearance A.
- the outer locking ring 122 is seated at the edges or corners of the polygonal inner periphery 111 b of the inner locking bearing 111 and thus remains in its position, so that the teeth 116 of the ring gear 115 from the interstices of the teeth 126 of the ring gear 125 and the teeth 126 of Sprocket 125 out of the interstices of the teeth 116 of the ring gear 115 when pressing the trigger 130 ⁇ out.
- the decoupling position thus free pivoting or rotation of the outer locking ring 122 within the inner latching bearing 111 is possible.
- FIGS. 4 and 5 illustrate alternative embodiments of the sprocket sets of the inner detent ring 112 (FIG. 4) and the outer detent ring 122 (FIG. 5).
- the inner detent ring 112 has, in addition to the above-described sprocket 115 with teeth 116, another, concentrically arranged inner ring gear 117 with teeth 118 on.
- the sprocket set of the outer locking ring 122 is shown correspondingly, which also has in addition to the sprocket 125 described above with teeth 126, a further, concentrically arranged inner sprocket 127 with teeth 128.
- the spaces between the teeth 116 and 126 of the outer sprocket 115 of the inner locking ring 112 and the outer sprocket 125 of the outer locking ring 122 are wider than the respective teeth 118 and 128 of the inner sprockets 117 and 127 formed so that in a force-transmitting gripping the Teeth 126 of the outer sprocket 125 of the outer locking ring 122 on the teeth 116 of the outer toothed rim 115 of the inner locking ring 112, the teeth 118 and 128 of the respective inner ring gear 117 and 127 adjoin one another in a conclusive manner.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012006351.1T DE112012006351A5 (en) | 2012-05-10 | 2012-05-10 | Radial adjustment with locking function |
PCT/DE2012/100134 WO2013167100A1 (en) | 2012-05-10 | 2012-05-10 | Radial adjustment means having locking function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/DE2012/100134 WO2013167100A1 (en) | 2012-05-10 | 2012-05-10 | Radial adjustment means having locking function |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013167100A1 true WO2013167100A1 (en) | 2013-11-14 |
Family
ID=46514042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2012/100134 WO2013167100A1 (en) | 2012-05-10 | 2012-05-10 | Radial adjustment means having locking function |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112012006351A5 (en) |
WO (1) | WO2013167100A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110395150A (en) * | 2019-08-30 | 2019-11-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its height adjuster |
CN114435199A (en) * | 2022-02-17 | 2022-05-06 | 延锋国际座椅系统有限公司 | Electric folder capable of fast escaping and automobile seat |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07227330A (en) * | 1994-02-18 | 1995-08-29 | Tachi S Co Ltd | Reclining apparatus for seat |
DE4436108A1 (en) * | 1994-09-28 | 1996-04-11 | Tachi S Co | Seatback adjuster for vehicle |
US20110304188A1 (en) * | 2010-06-15 | 2011-12-15 | Toyota Boshoku Kabushiki Kaisha | Angle adjustment apparatus for vehicle seat |
-
2012
- 2012-05-10 DE DE112012006351.1T patent/DE112012006351A5/en not_active Withdrawn
- 2012-05-10 WO PCT/DE2012/100134 patent/WO2013167100A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07227330A (en) * | 1994-02-18 | 1995-08-29 | Tachi S Co Ltd | Reclining apparatus for seat |
DE4436108A1 (en) * | 1994-09-28 | 1996-04-11 | Tachi S Co | Seatback adjuster for vehicle |
US20110304188A1 (en) * | 2010-06-15 | 2011-12-15 | Toyota Boshoku Kabushiki Kaisha | Angle adjustment apparatus for vehicle seat |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110395150A (en) * | 2019-08-30 | 2019-11-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its height adjuster |
CN114435199A (en) * | 2022-02-17 | 2022-05-06 | 延锋国际座椅系统有限公司 | Electric folder capable of fast escaping and automobile seat |
Also Published As
Publication number | Publication date |
---|---|
DE112012006351A5 (en) | 2015-01-22 |
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