CN201729081U - Automobile seat backrest angle adjusting device - Google Patents
Automobile seat backrest angle adjusting device Download PDFInfo
- Publication number
- CN201729081U CN201729081U CN2010202252451U CN201020225245U CN201729081U CN 201729081 U CN201729081 U CN 201729081U CN 2010202252451 U CN2010202252451 U CN 2010202252451U CN 201020225245 U CN201020225245 U CN 201020225245U CN 201729081 U CN201729081 U CN 201729081U
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- China
- Prior art keywords
- cam
- inner gear
- center shaft
- control apparatus
- motor vehicle
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- Expired - Fee Related
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Abstract
The utility model discloses an automobile seat backrest angle adjusting device, which comprises an internal gear, a locking toothed plate, a cam and a resetting device. The internal gear is fixedly connected with a seat, the cam is coaxial with the internal gear and can rotate relative to the internal gear, the locking toothed plate is locked between the internal gear and the cam, a holding cavity is arranged on the internal gear and provided with internal teeth, the internal teeth are meshed with external teeth at one end of the locking toothed plate, curved lines are disposed on the periphery of the other end of the locking toothed plate and match with bidirectional cam curved lines on the periphery of the cam, the resetting device is an elastic element, and one end of the elastic element is connected with the cam while the other end is fixed with the seat. The automobile seat backrest angle adjusting device not only realizes locking reliability, but also is favorable for reducing radial self clearances, increases anti-impact strength and is simple in structure and convenient in operation.
Description
Technical field
The utility model relates to a kind of angle regulator, relates in particular to a kind of motor vehicle seat back angle regulator.
Background technology
More different novel regulating mechanism has appearred in motor vehicle seat back angle adjusting mechanism both at home and abroad at present, but also exist in varying degrees intensity utilize insufficient, locking is unstable, synchronism is relatively poor, structure is than shortcomings such as complexity, and the technology cost was higher when like product changed flip angle, and the universal component degree is also corresponding lower.
The utility model content
The technical problems to be solved in the utility model provides a kind of motor vehicle seat back angle regulator, and is simple in structure, easy to operate and synchronism is good.
The utility model is by the following technical solutions:
A kind of motor vehicle seat back control apparatus, comprise the inner gear of captiveing joint with seat, the locking tooth plate,, and the cam that can relative to inner gear rotate coaxial with inner gear, described locking tooth plate is locked between inner gear and the cam, described inner gear is established containing cavity, and containing cavity is provided with internal tooth, with the external tooth engagement on locking tooth plate one end; Locking tooth plate other end periphery is established curve, with the bidirectional cam curve fitting on the described cam periphery; Also comprise return mechanism, this return mechanism is an elastic element, and described elastic element one end connects cam, and the other end and seat are fixed.
Preferably, described containing cavity is stepped, comprises inside and outside circle, and internal tooth is located on the outer ring, and inner ring upper edge inner ring is provided with groove, is provided with projection on locking tooth plate one side, and this projection is in described groove.
Preferably, also comprise permanent seat, described locking tooth plate is between inner gear and permanent seat, and the edge of inner gear and permanent seat is fixed by anchor ear.
Preferably, also comprise center shaft, wear inner gear, cam and permanent seat on the center shaft successively, described cam is captiveed joint with center shaft, inner gear and permanent seat respectively with the center shaft free-running fit.
Preferably, described elastic element is the locking spring, is set on the center shaft; Cam one side is provided with cam pin, and locking spring one end is connected with cam pin, and the other end is connected with permanent seat.
Preferably, described bidirectional cam curve comprises successively first advances curve, return curve and second advances curve.
Preferably, described locking tooth plate, groove respectively have three, are uniformly distributed in the described inner gear, and described cam is provided with three bidirectional cam curves, respectively corresponding each locking tooth plate.
Further, described control apparatus has two, passes through the gangbar captive joint between the center shaft of two control apparatuss.
Preferably, described center shaft comprises first, second center shaft, and an end of first center shaft is established spline, matches the other end of gangbar and the welding of second center shaft with gangbar one end.
Preferably, an end of described center shaft is provided with release lever.
The utility model in use, the device that it can be by the gangbar Connection Block chair back left and right sides, or can single-piece be installed on a side of back of seat.By pulling the release lever that is fixedly connected with the center shaft outside, make locking tooth plate and inner gear jump out of mesh, thereby back of seat is rotated by the permanent seat central axis, the adjusting of realization backrest angle.When backrest turns to the required angle of passenger, unclamp release lever, under the application force of locking spring, make that curve is return on locking tooth plate edge and cam meshing closes, realize the locking of whole device.Not only realize the reliability of locking, also help and reduce, improve impact strength radially from gapped.By the axial pressure gap of control anchor ear, can also reduce the axis free clearance of whole device effectively, improve the traveling comfort of seat greatly.In addition, the utility model by the size of groove of control inner gear regulate locking tooth plate and inner gear engageable with can not the ingear scope, realize the quick turnover of backrest, the extension modification that helps product, part universalization degree height, satisfy the different seat adjustment angles that require of client, reduce manufacturing cost.In addition, the utility model adopts hollow gangbar when realizing superiorization of synchronism, first center shaft that the one end is provided with criss-cross female splines and seat left side matches and is connected, circle was also located out two access holes endways in the other end was provided with, and matching with second center shaft of seat right-hand member is connected.Convenient when mounted, reached the perfect of synchronism by eliminating the synchronizing unlocking gap, improved the overall performance of seat.
Description of drawings
Fig. 1 is the part-structure scheme drawing of the related motor vehicle seat back angle regulator of the utility model.
Fig. 2 is the front view of the related motor vehicle seat back angle regulator of the utility model.
Fig. 3 is the enlarged diagram of A circle among Fig. 2.
Fig. 4～Figure 13 is each design of part scheme drawing of the related motor vehicle seat back angle regulator of the utility model, and wherein Fig. 4, Fig. 5 are respectively upper and lower connecting panel; Fig. 6 is a permanent seat; Fig. 7, Fig. 8 are left and right axle; Fig. 9 is an inner gear; Figure 10 is the locking tooth plate; Figure 11 is a cam; Figure 12 is the locking spring; Figure 13 is an anchor ear.
Reference numeral is as follows:
1, permanent seat 42, projection
2, center shaft 5, cam
21, left side axle 51, first advances curve
22, right axle 52, return curve
211, spline 53, second advances curve
3, inner gear 54, cam pin
31, internal tooth 6, locking spring
32, containing cavity 7, release lever
33, step 8, gangbar
331, groove 9, anchor ear
4, locking tooth plate 10, upper junction plate
41, external tooth 11, lower connecting plate
The specific embodiment
Further specify the specific embodiment of the present utility model below in conjunction with accompanying drawing.
Shown in Fig. 1～3, the utility model motor vehicle seat back angle regulator comprises inner gear 3, permanent seat 1, locking tooth plate 4, cam 5, anchor ear 9 and center shaft 2.Be provided with containing cavity 32 in the inner gear 3, the inwall of containing cavity 32 is provided with internal tooth 31.Described containing cavity 32 is stepped, and internal tooth 31 is located on the containing cavity 32 outer ring inwalls, and internal tooth 31 quantity on the described inner gear 3 are 120～192, can be 192 or 144 or 120 teeth, for example, adopt the little modulus inner gear 3 of 144 teeth, the degree of regulation height, 2.5 °/tooth of step pitch is seen Fig. 9.Also be provided with three locking tooth plates 4, cam 5 and locking spring 6 in the described containing cavity 32.Cam 5 is positioned at the center.Diametrically, locking tooth plate 4 is seen Fig. 1 between cam 5 and internal tooth 31.In the axial direction, locking tooth plate 4 is clipped in the centre of permanent seat 1 and inner gear 3, sees Fig. 2～3.Locking tooth plate 4 comprises external tooth 41, projection 42.Locking tooth plate 4 outer ends are distributed with the external tooth 41 that is meshed with the internal tooth 31 of inner gear 3, and described locking tooth plate 4 the inners are provided with the curve of special shape, see Figure 10, and described curve matches with the bidirectional cam curve of cam 5 peripheries and constitutes bidirectional-movement and two point support.Described locking tooth plate 4 has three, along inner gear 3 inner wall even distribution settings.Be provided with projection 42 on the side of locking tooth plate 4, also be provided with groove 331 on the inner ring of inner gear 3, projection 42 can slide in groove 331.External tooth 41 and internal tooth 31 engagements.The bidirectional cam curve is set on the periphery of cam 5, described bidirectional cam curve comprises the first propelling curve 51 successively, returns the curve 52 and the second propelling curve 53, see that the bidirectional cam curve 51,53 of described cam 5 peripheries of Fig. 1, Figure 11 is divided into the bidirectional cam curve of three uniform settings along cam 5 centers, described three bidirectional cam curves all respectively with a locking tooth plate 4 corresponding matching one by one.Rotate counterclockwise cam, first advances curve 51, second to advance curve 53 to promote corresponding locking tooth plate 4 separately is meshed with inner gear 3, clockwise rotates cam, returns curve 52 corresponding locking tooth plate 4 is thrown off mutually with inner gear 3.The integral body of cam 5 can be set to triangle, on three angles of cam 5 the bidirectional cam curve is set respectively.
The center of gyration of inner gear 3 and permanent seat 1 is coaxial with the center of containing cavity 32.The edge of permanent seat 1 and inner gear 3 is fixing with anchor ear 9.In some application scenario, also can on permanent seat 1, be provided with six to 12 boss, by pressure shaping, utilize the plastic deformation of material own to make the suitable gap of acquisition between permanent seat 1 and the inner gear 3, see Fig. 2～3, Fig. 6,13.
Also comprise a center shaft 2, center shaft 2 passes inner gear 3, cam 5 and permanent seat 1.Center shaft 2 is captiveed joint with cam 5, and center shaft 2 is free-running fit with inner gear 3, permanent seat 1, and center shaft 2 can freely rotate with respect to permanent seat 1 and inner gear 3.Go back socket one locking spring 6 on the center shaft 2, locking spring 6 is positioned at inner gear 3 simultaneously, is volute spring, sees Figure 12.Captiveing joint with the cam pin 54 on the cam 5 in the inner of this locking spring 6, captives joint with permanent seat 1 in the outer end of locking spring 6.
During initial condition, inside and outside tooth 31,41 is meshed, projection 42 in groove 331, simultaneously, bidirectional cam curve on the cam 5 and the 4 corresponding curve fittings of locking tooth plate.When center shaft 2 rotates, drive cam 5 and rotate, because the effect of bidirectional cam curve, the relative position of locking tooth plate and inner gear 3 changes, and projection 42 leaves groove 331, and inside and outside tooth 31,41 breaks away from.
As shown in Figure 3, respectively be provided with a control apparatus at the motor vehicle seat back two ends.The center shaft 2 of control apparatus comprises left side axle 21 (first center shafts), right axle 22 (second center shafts), connects by gangbar 8 between two center shafts.Axle 21 1 ends in a left side are provided with criss-cross spline 211 or polygon spline 211, and gangbar 8 be a hollow axis pole, and a left side spools 21 and gangbar 8 are connected by key.The other end of gangbar 8 welds with right axle 22.Gangbar 8 is opened two access holes at the right-hand member place, weld mutually with the right axle 22 of the seat other end to be connected, and sees Fig. 7～8.The other end of right axle 22 vertically connects release lever 7.Being provided with and changing mutually of above-mentioned left side axle 21 and right axle 22.
331, three grooves 331 of groove that three openings are set on the step 33 of stepped containing cavity 32 inwalls of inner gear 3 are evenly arranged.The inboard of three locking tooth plates 4 respectively is provided with a projection 42, and when locking tooth plate 4 was meshed with inner gear 3, this projection 42 was positioned at this groove 331.When projection 42 was not in groove 331, the external tooth of locking tooth plate 4 41 was separated with the internal tooth 31 of inner gear 3, and at this moment, the passenger can turn down back of seat arbitrarily and not by locking, as shown in Figure 1.After the passenger loosed one's grip, cam 5 can be replied rotation, thereby projection 42 is returned in the groove 331 under the effect of locking spring 6, and locking tooth plate 4 is meshed again with inner gear 3, thereby reaches locking.When needs are regulated the maximum angle that seat can turn down, can change the width of groove 331, the width of groove 331 is wide more, and the angle that seat can turn down is more little.Thereby the universalization degree of part is improved, reduce manufacturing cost.
Above-mentioned design example only is used for the utility model is described, and does not constitute the restriction to the claim scope, and other substantial equivalence means that it may occur to persons skilled in the art that are all in the utility model claim scope.
Claims (10)
1. motor vehicle seat back control apparatus, comprise the inner gear (3) of captiveing joint with seat, locking tooth plate (4), cam (5) coaxial with inner gear (3), that also can rotate relative to inner gear (3), described locking tooth plate (4) is locked between inner gear (3) and the cam (5), it is characterized in that: described inner gear (3) is established containing cavity (32), and containing cavity (32) is provided with internal tooth (31), with external tooth (41) engagement on locking tooth plate (4) one ends; Locking tooth plate (4) other end periphery is established curve, with the bidirectional cam curve fitting on described cam (5) periphery; Also comprise return mechanism, this return mechanism is an elastic element, and described elastic element one end connects cam (5), and the other end and seat are fixed.
2. motor vehicle seat back control apparatus according to claim 1, it is characterized in that: described containing cavity (32) is for stepped, comprise inside and outside circle, internal tooth (31) is located on the outer ring, inner ring upper edge inner ring is provided with groove (331), be provided with projection (42) on locking tooth plate (4) one sides, this projection (42) is in described groove (331).
3. motor vehicle seat back control apparatus according to claim 2, it is characterized in that: also comprise permanent seat (1), described locking tooth plate (4) is positioned between inner gear (3) and the permanent seat (1), and inner gear (3) is fixing by anchor ear (9) with the edge of permanent seat (1).
4. motor vehicle seat back control apparatus according to claim 3, it is characterized in that: also comprise center shaft (2), wear inner gear (3), cam (5) and permanent seat (1) on the center shaft (2) successively, described cam (5) is captiveed joint with center shaft (2), inner gear (3) and permanent seat (1) respectively with center shaft (2) free-running fit.
5. motor vehicle seat back control apparatus according to claim 4 is characterized in that: described elastic element is locking spring (6), is set on the center shaft (2); Cam (5) one sides are provided with cam pin (54), and locking spring (6) one ends are connected with cam pin (54), and the other end is connected with permanent seat (1).
6. motor vehicle seat back control apparatus according to claim 5 is characterized in that: described bidirectional cam curve comprises successively first advances curve (51), return curve (52) and second advances curve (53).
7. motor vehicle seat back control apparatus according to claim 6, it is characterized in that: described locking tooth plate (4), groove (331) respectively have three, be uniformly distributed in the described inner gear (3), described cam (5) is provided with three bidirectional cam curves, respectively corresponding each locking tooth plate (4).
8. motor vehicle seat back control apparatus according to claim 7 is characterized in that: described control apparatus has two, passes through gangbar (8) captive joint between the center shaft (2) of two control apparatuss.
9. motor vehicle seat back control apparatus according to claim 8, it is characterized in that: described center shaft (2) comprises first, second center shaft, one end of first center shaft is established spline (211), matches the other end of gangbar (8) and the welding of second center shaft with gangbar (8) one ends.
10. motor vehicle seat back control apparatus according to claim 9 is characterized in that: an end of described center shaft (2) is provided with release lever (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202252451U CN201729081U (en) | 2010-06-12 | 2010-06-12 | Automobile seat backrest angle adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202252451U CN201729081U (en) | 2010-06-12 | 2010-06-12 | Automobile seat backrest angle adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201729081U true CN201729081U (en) | 2011-02-02 |
Family
ID=43520239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202252451U Expired - Fee Related CN201729081U (en) | 2010-06-12 | 2010-06-12 | Automobile seat backrest angle adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201729081U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951043A (en) * | 2011-08-24 | 2013-03-06 | 湖北中航精机科技股份有限公司 | Seat angle adjusting device and seat with same |
| CN103393302A (en) * | 2013-08-02 | 2013-11-20 | 上海延锋江森座椅有限公司 | Unidirectional-adjustment resettable angle-modulation device |
| CN103568888A (en) * | 2013-10-25 | 2014-02-12 | 安徽工贸职业技术学院 | Automobile seat back adjusting device |
-
2010
- 2010-06-12 CN CN2010202252451U patent/CN201729081U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951043A (en) * | 2011-08-24 | 2013-03-06 | 湖北中航精机科技股份有限公司 | Seat angle adjusting device and seat with same |
| US9199557B2 (en) | 2011-08-24 | 2015-12-01 | Hubei Aviation Precision Machinery Technology Co., Ltd. | Seat angle adjustment device and seat having the same |
| CN103393302A (en) * | 2013-08-02 | 2013-11-20 | 上海延锋江森座椅有限公司 | Unidirectional-adjustment resettable angle-modulation device |
| CN103393302B (en) * | 2013-08-02 | 2016-01-13 | 上海延锋江森座椅有限公司 | Unidirectional adjustment can reset recliner |
| CN103568888A (en) * | 2013-10-25 | 2014-02-12 | 安徽工贸职业技术学院 | Automobile seat back adjusting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20150612 |
|
| EXPY | Termination of patent right or utility model |