CN201685726U - Double-boss type angle adjuster pushed by inner spline shaft - Google Patents
Double-boss type angle adjuster pushed by inner spline shaft Download PDFInfo
- Publication number
- CN201685726U CN201685726U CN2010201600946U CN201020160094U CN201685726U CN 201685726 U CN201685726 U CN 201685726U CN 2010201600946 U CN2010201600946 U CN 2010201600946U CN 201020160094 U CN201020160094 U CN 201020160094U CN 201685726 U CN201685726 U CN 201685726U
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- China
- Prior art keywords
- ring
- splined shaft
- wedge shape
- female splined
- connecting panel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model provides a double-boss type angle adjuster pushed by an inner spline shaft, which comprises a connecting plate (1), a sealing cover (2), an inner serrated plate (3), an inner spline shaft (4), bosses (41), a push ring (5), rabbets (51), a tension spring (6), a rivet (7), wedged anchors (8), a seat cover plate (9), an outer serrated plate (10), a shaft sleeve (11) and a seat connecting plate (12). The angle adjuster adopts the technical scheme that double bosses consisting of two fan-shaped bosses forming an 180-degree included central angle are arranged on the inner spline shaft, and an eccentric wheel consisting of the push ring (5) and the wedged anchors (8) is pushed by the double bosses, the technical scheme overcomes the shortages that an inner spline shaft of a single boss in the prior art can generate radial branched force toward the axial center when being stressed, and easily cause fatigue, the double-boss type angle adjuster leads the inner spline shaft to achieve the purposes of symmetric and balanced stress and avoidance of fatigue and breakage by pushing of the double bosses.
Description
Technical field
The utility model relates to a kind of angle regulator for automobile chair, specifically is meant to adopt the few tooth planetary gear speed-reduction mode of parallel-axis type, is used to adjust the recliner of the desk-top female splined shaft promotion of a kind of biconvex of the angle of motor vehicle seat back and cushion.
Background technology
Angle regulator for automobile chair, press parallel-axis type " tooth is poor " epicyclic reduction gear principle, drive external tooth wheel plate engagement internal tooth wheel plate by Angle Modulation Motor and make trochoid motion acquisition big retarding ratio, realize the angular adjustment of back of seat and cushion by the change at internal tooth wheel plate and external gear plate holder angle.
The female splined shaft of prior art angle regulator for automobile chair is provided with a boss, is provided with two eccentric wedges in the both sides of boss and constitutes eccentric wheel, and eccentric wheel is converted to the epicyclic type rotation of driving external gear around inner gear with the rotation of female splined shaft; Because female splined shaft has only a boss stressed in transmission, discontinuity equalization during rotation, can produce the radial component that points to the axle center, for a long time it, mechanical fatigue fracture takes place in the root of female splined shaft boss easily, and then produces fault; Therefore, there is unbalance stress in the female splined shaft of prior art, is easy to take place the problems and shortcomings of fracture by fatigue.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the utility model takes to be provided with two double polarizing keys of fan-shaped boss 41 formations of 180 ° of central angles of folder mutually on female splined shaft 4, promoting ring 5 by double polarizing keys rotates with the eccentric wheel that wedge shape arch 8 constitutes, by the slip of eccentric wheel in axle sleeve 11, drive the technical scheme of the external gear of outer tooth plate 10 around the internal tooth crop rotation planetary reduction gear motion of internal gear 3, a kind of biconvex recliner that desk-top female splined shaft promotes is provided, be intended to promotion, make female splined shaft 4 reach stressed symmetrical equilibrium by double polarizing keys, avoid taking place the purpose of fracture by fatigue.
The purpose of this utility model is achieved in that the recliner that the desk-top female splined shaft of a kind of biconvex promotes, comprise by connecting panel, seal cover cap, internal gear, female splined shaft, promotion ring, tension spring, rivet, wedge shape arch, flap plate, outer tooth plate, axle sleeve, seat connecting panel, wherein: described is the standard specification parts of prior art recliner by connecting panel, seal cover cap, internal gear, rivet, flap plate, outer tooth plate, seat connecting panel, and structrual description is omitted;
Described female splined shaft is that partial metallurgy is made, and the center is provided with internal splined hole, and outer post jamb middle part is provided with the columnar shaft of overhanging shirt rim step; The bottom, shirt rim of female splined shaft is provided with two to lower convexity, presss from both sides the fan-shaped boss of 180 ° of central angles mutually, is called double polarizing keys;
Described promotion ring is that partial metallurgy is made, and the circumference of a side is provided with the annular cover of chimb; Promote the upper surface of ring, be provided with two recessed fan-shaped tenon mouths of 180 ° of central angles of folder mutually, be called the double tenon mouth, wherein a tenon mouth is positioned at the centerline that promotes the ring chimb; The boss bearing fit of the size of tenon mouth and described female splined shaft; Promote the ring external diameter of ring and the cancave cambered surface radius bearing fit of described wedge shape arch; The external diameter bearing fit in the ring internal diameter of promotion ring and the inner gear center mast hole of internal gear;
Described tension spring is Ω shape circle silk wire spring, and two ends of tension spring are converted into elbow bend downwards;
Described wedge shape arch is made the half slit bamboo or chopped wood butt crescent slide block that an end broad one end is narrower for partial metallurgy; The outside of wedge shape arch is a convex globoidal, and the inboard is a cancave cambered surface, and two sides are parallel plane up and down; The convex globoidal radius of wedge shape arch and the internal diameter bearing fit of described axle sleeve, the cancave cambered surface radius of wedge shape arch and the external diameter bearing fit of described promotion ring; Wedge shape arch broad one end end face is provided with the draw-in groove that cooperates described tension spring;
Described axle sleeve is annular steel bushing; The centre hole interference fit of the external gear of axle sleeve external diameter and outer tooth plate, the convex globoidal bearing fit of internal diameter and described wedge shape arch;
Each parts mutual alignment and annexation
Promote to be inserted on the hoop female splined shaft below, in the tenon mouth of the corresponding engaging-in promotion ring of the boss of female splined shaft; The wide end of two wedge shape arches is relative, cancave cambered surface is towards the axle center that promotes ring, be coated on the outside anchor ring that promotes ring, two ends of tension spring stretch tight respectively and be combined into eccentric wheel in the draw-in grooves of two wedge shape arches, the eccentric throw in eccentric wheel and female splined shaft axle center is the tooth depth that is slightly larger than outer tooth plate gear, combined eccentricity wheel is slided pack in the axle sleeve in the centre hole of the external gear that is interference fitted in outer tooth plate;
Concentric from top to bottom is followed successively by, by connecting panel, seal cover cap, and the combined eccentricity wheel that female splined shaft, promotion ring, tension spring, wedge shape arch constitute, axle sleeve, outer tooth plate, internal gear; The flap plate is positioned at by the connecting panel right side, and sliding pressure is leaning on the connecting panel shirt rim; The seat connecting panel is positioned at the internal gear right side, slides holder under the internal gear shirt rim; Flap plate, outer tooth plate, seat connecting panel are one by closing-up; Is one by connecting panel, internal gear by closing-up; The above-mentioned axle center that has constituted with female splined shaft is the center of circle, is pivoted arm with the limit, outer by connecting panel, seat connecting panel, by the rotation female splined shaft, can adjust the recliner by angle between connecting panel and the seat connecting panel.
Principle of work
During application, be connected with the backrest of automotive seat by connecting panel, the seat connecting panel is connected with the cushion of automotive seat.Angle Modulation Motor drives the female splined shaft rotation, female splined shaft drives the eccentric wheel that is made of promotion ring, wedge shape arch, tension spring and rotates, eccentric wheel slides in axle sleeve, drive of the internal tooth crop rotation epicyclic type rotation of the external gear of outer tooth plate around internal gear, change by the angle between connecting panel and the seat connecting panel, realize the angular adjustment at the motor vehicle seat back elevation angle; Because the double polarizing keys that female splined shaft is made of the fan-shaped boss of 180 ° of central angles of two mutual angles promotes the ring rotation, during rotation, have only the tangential force acting, make the stressed symmetrical equilibrium of female splined shaft, thereby eliminated the hidden danger of boss root generation fracture by fatigue accident; Avoided the female splined shaft of single boss of prior art when stressed, can produce the radial component that points to the axle center and be easy to tired drawback.
Above-mentioned, the utility model takes to be provided with two double polarizing keys of the fan-shaped boss formation of 180 ° of central angles of folder mutually on female splined shaft, promoting ring by double polarizing keys rotates with the eccentric wheel that the wedge shape arch constitutes, by the slip of eccentric wheel in axle sleeve, drive the technical scheme of the external gear of outer tooth plate around the internal tooth crop rotation planetary reduction gear motion of internal gear, the female splined shaft that has overcome single boss of prior art can produce the radial component that points to the axle center and be easy to tired drawback when stressed, the recliner that the desk-top female splined shaft of a kind of biconvex that is provided promotes, by the promotion of double polarizing keys, make female splined shaft reach stressed symmetrical equilibrium, avoid taking place the purpose of fracture by fatigue.
Description of drawings
Fig. 1 is each parts exploded isometric scheme drawing of the recliner of the desk-top female splined shaft promotion of a kind of biconvex of the present utility model;
Fig. 2 is the recliner that the desk-top female splined shaft of a kind of biconvex of the present utility model promotes, by the eccentric axle survey scheme drawing of parts female splined shaft, promotion ring, wedge shape arch, tension spring combination;
Fig. 3 is the parts exploded isometric scheme drawing of Fig. 2;
Fig. 4 is the birds-eye view of Fig. 2, cooperates the formation of axle sleeve display eccentric among the figure;
Fig. 5 is the schematic top plan view that the parts of the recliner of the desk-top female splined shaft promotion of a kind of biconvex of the present utility model promote ring;
Fig. 6 is the elevational schematic view of the parts female splined shaft of the recliner that promotes of the desk-top female splined shaft of a kind of biconvex of the present utility model;
Fig. 7 is the cross-sectional schematic of the recliner of the desk-top female splined shaft promotion of a kind of biconvex of the present utility model;
Fig. 8 is that the axle of the surface structure of the recliner that promotes of the desk-top female splined shaft of a kind of biconvex of the present utility model is surveyed scheme drawing;
Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
Among the figure: by connecting panel 1, seal cover cap 2, internal gear 3, female splined shaft 4, boss 41, promotion ring 5, tenon mouth 51, tension spring 6, rivet 7, wedge shape arch 8, flap plate 9, outer tooth plate 10, axle sleeve 11, seat connecting panel 12.
The specific embodiment
Consult Fig. 1～Fig. 8, the recliner that the desk-top female splined shaft of a kind of biconvex of the present utility model promotes, comprise by connecting panel 1, seal cover cap 2, internal gear 3, female splined shaft 4, promote ring 5, tension spring 6, rivet 7, wedge shape arch 8, flap plate 9, outer tooth plate 10, axle sleeve 11, seat connecting panel 12, wherein: described is the standard specification parts of prior art recliner by connecting panel 1, seal cover cap 2, internal gear 3, rivet 7, flap plate 9, outer tooth plate 10, seat connecting panel 12, and structrual description is omitted;
Described female splined shaft 4 is made for partial metallurgy, and the center is provided with internal splined hole, and outer post jamb middle part is provided with the columnar shaft of overhanging shirt rim step; The bottom, shirt rim of female splined shaft is provided with two to lower convexity, presss from both sides the fan-shaped boss 41 of 180 ° of central angles mutually, is called double polarizing keys;
Described promotion ring 5 is made for partial metallurgy, and the circumference of a side is provided with the annular cover of chimb; Promote the upper surface of ring, be provided with two recessed fan-shaped tenon mouths 51 of 180 ° of central angles of folder mutually, be called the double tenon mouth, wherein a tenon mouth 51 is positioned at the centerline that promotes the ring chimb; Boss 41 bearing fits of the size of tenon mouth 51 and described female splined shaft 4; Promote the ring external diameter of ring and the cancave cambered surface radius bearing fit of described wedge shape arch 8; The external diameter bearing fit in the ring internal diameter of promotion ring and the inner gear center mast hole of internal gear 3;
Described tension spring 6 is Ω shape circle silk wire spring, and two ends of tension spring are converted into elbow bend downwards;
Described wedge shape arch 8 is made the half slit bamboo or chopped wood butt crescent slide block that an end broad one end is narrower for partial metallurgy; The outside of wedge shape arch is a convex globoidal, and the inboard is a cancave cambered surface, and two sides are parallel plane up and down; The convex globoidal radius of wedge shape arch and the internal diameter bearing fit of described axle sleeve 11, the cancave cambered surface radius of wedge shape arch and the external diameter bearing fit of described promotion ring 5; Wedge shape arch broad one end end face is provided with the draw-in groove that cooperates described tension spring 6;
Described axle sleeve 11 is annular steel bushing; The centre hole interference fit of the external gear of axle sleeve external diameter and outer tooth plate 10, the convex globoidal bearing fit of internal diameter and described wedge shape arch 8;
Each parts mutual alignment and annexation
Concentric from top to bottom is followed successively by, by connecting panel 1, seal cover cap 2, and the combined eccentricity wheel that female splined shaft 4, promotion ring 5, tension spring 6, wedge shape arch 8 constitute, axle sleeve 11, outer tooth plate 10, internal gear 3; Flap plate 9 is positioned at by connecting panel 1 right side, and sliding pressure is leaning on connecting panel 1 shirt rim; Seat connecting panel 12 is positioned at internal gear 3 right sides, slides holder under internal gear 3 shirt rims; Flap plate 9, outer tooth plate 10, seat connecting panel 12 are one by rivet 7 riveteds; Is one by connecting panel 1, internal gear 3 by rivet 7 riveteds; The above-mentioned axle center that has constituted with female splined shaft 4 is the center of circle, is pivoted arm with the limit, outer by connecting panel 1, seat connecting panel 12, by rotation female splined shaft 4, can adjust the recliner by angle between connecting panel 1 and the seat connecting panel 12.
Principle of work
During application, be connected with the backrest of automotive seat by connecting panel 1, seat connecting panel 12 is connected with the cushion of automotive seat.Angle Modulation Motor drives female splined shaft 4 rotations, female splined shaft 4 drives the eccentric wheel that is made of promotion ring 5, wedge shape arch 8, tension spring 6 and rotates, eccentric wheel slides in axle sleeve 11, drive of the internal tooth crop rotation epicyclic type rotation of the external gear of outer tooth plate 10 around internal gear 3, change by the angle between connecting panel 1 and the seat connecting panel 12, realize the angular adjustment at the motor vehicle seat back elevation angle; Because the double polarizing keys that female splined shaft 4 is made of the fan-shaped boss 41 of 180 ° of central angles of two mutual angles promotes ring 5 rotations, during rotation, have only the tangential force acting, make female splined shaft 4 stressed symmetrical equilibriums, thereby eliminated the hidden danger of boss root generation fracture by fatigue accident; Avoided the female splined shaft of single boss of prior art when stressed, can produce the radial component that points to the axle center and be easy to tired drawback.
Claims (1)
1. the recliner that promotes of the desk-top female splined shaft of a biconvex, comprise by connecting panel (1), seal cover cap (2), internal gear (3), female splined shaft (4), promote ring (5), tension spring (6), rivet (7), wedge shape arch (8), flap plate (9), outer tooth plate (10), axle sleeve (11), seat connecting panel (12), it is characterized in that: described female splined shaft (4) is made for partial metallurgy, the center is provided with internal splined hole, and outer post jamb middle part is provided with the columnar shaft of overhanging shirt rim step; The bottom, shirt rim of female splined shaft is provided with two to lower convexity, presss from both sides the fan-shaped boss (41) of 180 ° of central angles mutually, is called double polarizing keys;
Described promotion ring (5) is made for partial metallurgy, and the circumference of a side is provided with the annular cover of chimb; Promote the upper surface of ring, be provided with two recessed fan-shaped tenon mouths (51) of 180 ° of central angles of folder mutually, be called the double tenon mouth, wherein a tenon mouth (51) is positioned at the centerline that promotes the ring chimb; Boss (41) bearing fit of the size of tenon mouth (51) and described female splined shaft (4); Promote the ring external diameter of ring and the cancave cambered surface radius bearing fit of described wedge shape arch (8); The external diameter bearing fit in the ring internal diameter of promotion ring and the inner gear center mast hole of internal gear (3);
Described tension spring (6) is Ω shape circle silk wire spring, and two ends of tension spring are converted into elbow bend downwards;
Described wedge shape arch (8) is made the half slit bamboo or chopped wood butt crescent slide block that an end broad one end is narrower for partial metallurgy; The outside of wedge shape arch is a convex globoidal, and the inboard is a cancave cambered surface, and two sides are parallel plane up and down; The convex globoidal radius of wedge shape arch and the internal diameter bearing fit of described axle sleeve (11), the cancave cambered surface radius of wedge shape arch and the external diameter bearing fit of described promotion ring (5); Wedge shape arch broad one end end face is provided with the draw-in groove that cooperates described tension spring (6);
Described axle sleeve (11) is annular steel bushing; The centre hole interference fit of the external gear of axle sleeve external diameter and outer tooth plate (10), the convex globoidal bearing fit of internal diameter and described wedge shape arch (8);
Each parts mutual alignment and annexation be, promote ring (5) upwards be inserted in female splined shaft (4) below, in the tenon mouth (51) of the corresponding engaging-in promotion ring of boss (41) (5) of female splined shaft (4); The wide end of two wedge shape arches (8) is relative, cancave cambered surface is towards the axle center that promotes ring (5), be coated on the outside anchor ring that promotes ring (5), two ends of tension spring (6) stretch tight respectively and be combined into eccentric wheel in the draw-in grooves of two wedge shape arches (8), the eccentric throw in eccentric wheel and female splined shaft (4) axle center is for being slightly larger than the tooth depth of outer tooth plate (10) gear, and the slip of combined eccentricity wheel is packed in the axle sleeve (11) in the centre hole of the external gear that is interference fitted in outer tooth plate (10);
Concentric from top to bottom is followed successively by, by connecting panel (1), seal cover cap (2), and the combined eccentricity wheel that female splined shaft (4), promotion ring (5), tension spring (6), wedge shape arch (8) constitute, axle sleeve (11), outer tooth plate (10), internal gear (3); Flap plate (9) is positioned at by connecting panel (1) right side, and sliding pressure is leaning on connecting panel (1) shirt rim; Seat connecting panel (12) is positioned at internal gear (3) right side, slides holder under internal gear (3) shirt rim; Flap plate (9), outer tooth plate (10), seat connecting panel (12) are one by rivet (7) riveted; Is one by connecting panel (1), internal gear (3) by rivet (7) riveted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201600946U CN201685726U (en) | 2010-03-16 | 2010-03-16 | Double-boss type angle adjuster pushed by inner spline shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201600946U CN201685726U (en) | 2010-03-16 | 2010-03-16 | Double-boss type angle adjuster pushed by inner spline shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201685726U true CN201685726U (en) | 2010-12-29 |
Family
ID=43374015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201600946U Expired - Lifetime CN201685726U (en) | 2010-03-16 | 2010-03-16 | Double-boss type angle adjuster pushed by inner spline shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201685726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817318A (en) * | 2010-03-16 | 2010-09-01 | 宁波双林汽车部件股份有限公司 | Double lug boss type internal spline shaft pushed angle adjustor |
| CN110920478A (en) * | 2019-12-23 | 2020-03-27 | 延锋安道拓(常熟)座椅机械部件有限公司 | Angle modulation ware clearance elimination mechanism |
-
2010
- 2010-03-16 CN CN2010201600946U patent/CN201685726U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817318A (en) * | 2010-03-16 | 2010-09-01 | 宁波双林汽车部件股份有限公司 | Double lug boss type internal spline shaft pushed angle adjustor |
| CN110920478A (en) * | 2019-12-23 | 2020-03-27 | 延锋安道拓(常熟)座椅机械部件有限公司 | Angle modulation ware clearance elimination mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101229 Effective date of abandoning: 20111123 |