CN2776748Y

CN2776748Y - Double plate type seat angle regulator

Info

Publication number: CN2776748Y
Application number: CN 200520068209
Authority: CN
Inventors: 邹耀忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-09
Filing date: 2005-01-09
Publication date: 2006-05-03
Anticipated expiration: 2015-01-09

Abstract

The utility model relates to a double-sheet type chair angle regulator which is capable of regulating the angle of a chair backrest and is used for vehicles, and the double-sheet type chair angle regulator is arranged in an automobile chair. The utility model comprises a fixing toothed plate, a movable toothed plate, an anti-backlash block, a built-in bearing bracket, clamping springs, a cover plate and an anti-dust cover. Because of replacing the original double-connection gear with external teeth which are convexly arranged on the movable toothed plate, the utility model not only lowers the manufacturing difficulty and the manufacturing cost, but also conveniently assembles; in addition, the utility model uses the anti-backlash block and is provided with the clamping springs, the built-in bearing bracket and the cover plate, and thus, when the fixing toothed plate is engaged with the movable toothed plate, the fixing toothed plate and the movable toothed plate have no gaps so as to enable the locking of the chair to be more reliable and enable the performance of the chair to be more stable; secondly, a lining is arranged in a shaft hole of the movable toothed plate, the wearing capacity between the toothed plates is enhanced, and thus, the utility model has the advantage of long service life. Thirdly, the utility model also has the advantages of reasonable structure and design, good flexibility of action and labour saving for regulation.

Description

The double-disk seat angle adjustor

Technical field

The utility model relates to a kind of vehicle double-disk seat angle adjustor that is formed at automotive seat inside, adjustable seat backrest angle, belongs to the seat accessory.

Background technology

Usually, all have seat on the vehicle, can comfortablely take to ensure chaufeur or passenger.In addition, between the cushion connecting panel of seat and backrest connecting panel, recliner is installed, this recliner can realize backrest is regulated at any angle by drive disk assembly, so that according to chaufeur or passenger's the bodily form or physique and the angle of inclination of the relative cushion of flexible backrest.At present, the recliner that is applied on the automobile seat more common on the market is the disc type recliner, mainly comprises a discoid reaction plate and a discoid Advance plate, and reaction plate is installed on the cushion connecting panel, Advance plate is installed on the backrest connecting panel, and is being connected rotationally with reaction plate.It also comprises a lockable mechanism this disc type recliner, is used to keep the obliquity and attitude of backrest with respect to cushion.Lockable mechanism comprises that one is positioned at tooth bar circle and several ratchets on the Advance plate, all has a plurality of teeth on each ratchet wherein.Ratchet can radially move between a lock position and a unlocked position.When ratchet is in lock position, the teeth on the ratchet will with the tooth bar circle interlocking on the Advance plate, thereby can locking backrest with respect to the incident angle of cushion.This structure can fully be avoided slip teeth, collapse tooth, guarantee the locking reliability, satisfy the requirement of arbitrarily angled adjusting and quick adjustment, but there is following defective in it: parts are many, complex structure, assembling is loaded down with trivial details, volume is big, productive costs is high, endplay is big, degree of balance is poor, unstable properties.China's utility model patent Granted publication number is CN2647648Y, a kind of " angle regulator for automobile chair " disclosed, it comprises fixed gear plate, doubly-linked gear, ball bearing of main shaft, eccentric wheel, movable fluted disc, closed ring, be arranged with in one side direction of described fixed gear plate and be formed with the cavity volume of the big gear wheel that is used for ccontaining doubly-linked gear, and on the inwall of this cavity volume, constitute and be used for nibbling the gear ring of joining mutually with big gear wheel; Described movable fluted disc is formed with also being arranged with in a side direction of fixed gear plate for the ccontaining cavity volume in it of the miniature gears of doubly-linked gear, and constitutes equally on the inwall of this cavity volume and be used for nibbling the gear ring of joining mutually with miniature gears; Described ball bearing of main shaft places in the through hole of doubly-linked gear center; Described eccentric wheel behind the ball bearing of main shaft that passed through movable gear ring, doubly-linked gear center successively its with an end of eccentric boss and the axis hole scarf at fixed gear plate center; Described closed ring is encapsulated in the outer perimeter of fixed gear plate and movable fluted disc.Parts are few, simple in structure, volume is little although this patent has, regulate the labour-saving advantage.But the applicant has still found following defective: at first, owing to adopted the doubly-linked gear, increase manufacture difficulty on the one hand, improved manufacturing cost, be difficult to assembling on the other hand, this mainly shows: should guarantee during assembling that nibbling between the gear ring in the big gear wheel of doubly-linked gear and the fixed gear plate cavity volume join, nibbling between the interior gear ring of the miniature gears that guarantees the doubly-linked gear again and movable fluted disc cavity volume joined.Secondly, adopted the ball bearing of main shaft of forming by ball bearing ring and plurality of balls between eccentric wheel and the doubly-linked gear, improved productive costs, increased the assembling difficulty, and can't eliminate the endplay between eccentric wheel and the doubly-linked gear fully.

Summary of the invention

The purpose of this utility model is that simpler, reasonable, the no endplay of a kind of structure, more reliable, the easy-to-assemble double-disk seat angle adjustor of locking will be provided.

The purpose of this utility model is achieved like this, a kind of double-disk seat angle adjustor, it comprises fixed tooth plate 8, swing tooth plate 6, the crack piece 7 that disappears, built-in support 5, jump ring 4, cover plate 1, dust boot 3, be concaved with cavity 16 in the middle tool axle sleeve hole 14 of described fixed tooth plate 8, the side direction, on the outer circle wall of this cavity 16, constitute internal tooth 10, convex with axle bed 15 towards a side of cavity 16 at axle sleeve hole 14; The middle tool axis hole 21 of described swing tooth plate 6, outside one of the cavity 16 of fixed tooth plate 8 side direction, convex with external tooth 18, opposite side is concaved with cavity 31, convex with axle bed 19 at axis hole 21 towards a side of cavity 31, external tooth 18 places in the cavity 16, and nibble with internal tooth 10 and to join, be equipped with axle bed 15 in the axis hole 21; The described crack piece 7 that disappears has a pair of, places respectively in the ring-shaped chamber by 15,19 enclosures one-tenth of axle bed, and be shaped on pin groove 11 on the crack piece 7 that disappears; Described built-in support 5 places in the cavity 31, a pair of jump ring pin of tool jack 24, location runners 22 on it; Described jump ring 4 places in the cavity 31, and a pair of jump ring pin 25 on it was joined with pin groove 11 hooks that offset on the crack piece 7 after passing through jump ring pin jack 24; Middle tool rotating shaft cover 2, one side of described cover plate 1 is shaped on semicircular ring 27 and positioning pin 28, the centre of rotating shaft cover 2 offers axis hole 30, semicircular ring 28 places in the ring-shaped chamber that become by 15,19 enclosures of axle bed, and and one offset that structure is a SIMULATION OF ECCENTRIC ANNULAR between the crack piece 7, positioning pin 28 and location runners 22 scarf mutually, cover plate 1 by rotating shaft cover 2 in that to pass through axle sleeve hole 14 backs fixing by banking stop 12; Described dust boot 3 is fixedly arranged on the swing tooth plate 6, and with cavity 31 cap seals.

The diameter of external tooth 18 described in the utility model is less than the diameter of internal tooth 10.

Axis hole 30 in the middle of the rotating shaft cover 2 described in the utility model is the star axis hole.

The utility model is equipped with lining 20 in the axis hole 21 of described swing tooth plate 6.

The utility model also is shaped on a pair of presser feet 29 in a side of described cover plate 1, and it is corresponding that a pair of presser feet 29 and offsets crack piece 7.

The utility model also has additional a pair of presser feet 23 on described built-in support 5, it is corresponding that a pair of presser feet 23 and offsets crack piece 7.

The crack piece 7 that disappears described in the utility model be shaped as waist shape, and one big, the other end is little, in big first side direction, be arranged with and be formed with pin groove 11.

The centre of dust boot 3 described in the utility model offers through hole, is shaped on cover plate seat 9 in the through hole, with cooperating of cover plate seat 9 dust boot 3 is pressed solidly the side at the band cavity 31 of swing tooth plate 6 by cover plate 1.

The utility model has not only reduced manufacture difficulty and productive costs, and has made things convenient for assembling owing to replaced original doubly-linked gear with the external tooth that is convexly set on the swing tooth plate 6; In addition, owing to adopted one to offset crack piece 7, and behind the jump ring 4 of packing into, built-in support 5 and the cover plate 1, make fixed tooth plate 8 and swing tooth plate 6 very close to each other when engagement, more reliability, performance are more stable thereby make the seat locking; Secondly, in axis hole 21, be provided with lining 20, increased the resistance to abrasion between the tooth plate, prolonged the service life of recliner; Moreover the utility model also has reasonable in design, good, the adjusting labour-saving advantage of dexterity of action.

Accompanying drawing and drawing explanation

Accompanying drawing is a structure diagram of the present utility model.

The specific embodiment

Please refer to accompanying drawing, fixed tooth plate 8 of the present utility model adopts metallic material to strike out sheet, offer in axle sleeve hole 14, the side direction in the middle of it and be concaved with cavity 16, on the outer circle wall of this cavity 16, constitute internal tooth 10, convex with axle bed 15 at axle sleeve hole 14 towards a side of cavity 16, while is fixing for the ease of fixed tooth plate 8 and cushion connecting panel, and also dashing on fixed tooth plate 8 has some positioning boss 13, has illustrated two among the figure.Swing tooth plate 6 of the present utility model also adopts metallic material to strike out sheet, offer axis hole 21 in the middle of it, outside one of the cavity 16 of fixed tooth plate 8 side direction, convexing with external tooth 18, opposite side is concaved with cavity 31, convex with axle bed 19 at axis hole 21 towards a side of cavity 31, axis hole 21 is built-in with anti-wearing liner 20, external tooth 18 places in the cavity 16 of fixed tooth plate 8, and nibble with internal tooth 10 and to join, axle bed 15 is positioned at axis hole 21, and be formed with the circular clearance between the two, while is fixing for the ease of swing tooth plate 6 and backrest connecting panel, also dashing on swing tooth plate 6 has some positioning boss 17, has illustrated two among the figure.The crack piece 7 that disappears of the present utility model is waist shape, and one big, the other end is little, in big first side direction, be arranged with and be formed with the pin groove 11 that jump ring pin 25 hooks for jump ring 4 are joined, the feeler 7 that disappears has a pair of, place respectively in the ring-shaped chamber by 15,19 enclosures one-tenth of axle bed, when mounted, of offseting feeler 7 band pin grooves 11 establishes in opposite directions, and the inner arc surface of the feeler 7 that respectively disappears and the exterior arc surface of axle bed 15 are coincide, and the inner arc surface of the exterior arc surface of the feeler 7 that disappears and lining 20 coincide.Built-in support 5 of the present utility model places in the cavity 31, a pair of jump ring pin of tool jack 24, presser feet 23, location runners 22 on it, and presser feet 23 is pressed in one and offsets on the last plane of crack piece 7.Jump ring 4 of the present utility model ringwise, the two ends of its opening are bent into jump ring pin 25, jump ring 4 places in the cavity 31, a pair of jump ring pin 25 on it is joined with pin groove 11 hooks that offset on the crack piece 7 in a pair of jump ring pin jack 24 backs of passing through on the built-in support 5, its objective is that offseting feeler 7 by jump ring 4 applies an open laterally power, and the feeler 7 that disappears applies a power to swing tooth plate 6, fixed tooth plate 8, makes that fixed tooth plate 8 and swing tooth plate 6 are very close to each other when meshing.Dust boot 3 of the present utility model generally can adopt forming as rubber or plastic production of better softness, offers through hole in the middle of it, and being shaped on flange in the through hole is cover plate seat 9.Cover plate 1 of the present utility model generally can adopt plastic injection-moulded forming, tool rotating shaft cover 2 in the middle of it, one side is shaped on semicircular ring 27, a pair of positioning pin 28 and a pair of presser feet 29, the centre of rotating shaft cover 2 offers star axis hole 30, and on excircle, be shaped on position-limited trough 26, semicircular ring 28 places by axle bed 15, in the ring-shaped chamber of 19 enclosure one-tenth, and and one just offset between the crack piece 7 that structure is a complete SIMULATION OF ECCENTRIC ANNULAR, a pair of location runners 22 scarves on a pair of positioning pin 28 and the built-in support 5, its objective is that when rotating shaft cover 2 drove cover plate 1 rotation, the positioning pin 28 on it promoted built-in support 5 by location runners 22 and rotates together.Cover plate 1 is fixing by the banking stop 12 of fixed tooth plate 8 other sides after passing through axle sleeve hole 14 from a side of swing tooth plate 6 by the cover 2 of the rotating shaft in the middle of it, specifically be to realize the fixing of cover plate 1 by the position-limited trough 26 that banking stop 12 embeds on the rotating shaft cover 2, simultaneously cover plate 1 is pressed on again on the cover plate seat 12 and dust boot 3 is fixed on side outside the tool cavity 31 of fixed tooth plate 6, thereby with jump ring 4, built-in support 5 and offset crack piece 7 together cap seal in cavity 31, play dustproof effect.In addition, a pair of presser feet 29 on the cover plate 1 is pressed on one and offsets on the last plane of crack piece 7 and play the role of positioning.The utility model is when adopting electrodynamic type to regulate, and axis hole 30 pivot joints that can directly 2 centers be overlapped in output shaft and the rotating shaft of electrical motor get final product, and when the needs manual regulation, can inserting one rotating shaft in axis hole 30, and the installation handwheel gets final product in rotating shaft.

Recliner of the present utility model is on being installed to automotive seat the time, as long as with positioning boss on the swing tooth plate 6 17 and the solid welding of backrest connecting panel, and the positioning boss 13 on the fixed tooth plate 8 get final product with the welding of backrest connecting panel, so installs very convenient.

Because the situation of automotive seat is different because of car, so cushion connecting panel and backrest connecting panel are also different because of seat, and three-chip type seat angle adjustor of the present utility model all can be suitable for it, thereby has the commonality than the chamber.

Only the electrodynamic type seat angle adjustor is described by its course of action below: act on rotating shaft in normal no external force and overlapped at 2 o'clock, because jump ring 4 offsets the outside tension force that crack piece 7 applies, and the feeler 7 that disappears applies a power to swing tooth plate 6, fixed tooth plate 8, make that fixed tooth plate 8 and swing tooth plate 6 are very close to each other when meshing, internal tooth 10 is tightr with external tooth 18 ingears, thereby automobile passenger in motion leans against can not produce on the backrest at all and rocks, and feels very comfortable.When needs are adjusted backrest angle, at first open electrical motor, output shaft by electrical motor directly drives 2 rotations of rotating shaft cover, rotating shaft cover 2 drives cover plate 1 rotation again, cover plate 1 promote again to disappear crack piece 7, built-in support 5 rotates together, make eccentric motion and the crack piece 7 that disappears promotes swing tooth plate 6, the angle of swing tooth plate 6 is changed, thereby reach the angle of adjustment seat chair back.

Claims

1, a kind of double-disk seat angle adjustor, it is characterized in that it comprises fixed tooth plate (8), swing tooth plate (6), the crack piece (7) that disappears, built-in support (5), jump ring (4), cover plate (1), dust boot (3), be concaved with cavity (16) in the middle tool axle sleeve hole (14) of described fixed tooth plate (8), the side direction, on the outer circle wall of this cavity (16), constitute internal tooth (10), convex with axle bed (15) towards a side of cavity (16) at axle sleeve hole (14); The middle tool axis hole (21) of described swing tooth plate (6), outside one of the cavity (16) of fixed tooth plate (8) side direction, convex with external tooth (18), opposite side is concaved with cavity (31), convex with axle bed (19) at axis hole (21) towards a side of cavity (31), external tooth (18) places in the cavity (16), and nibble with internal tooth (10) and to join, be equipped with axle bed (15) in the axis hole (21); The described crack piece (7) that disappears has a pair of, places respectively in the ring-shaped chamber by axle bed (15), (19) institute enclosure one-tenth, and be shaped on pin groove (11) on the crack piece (7) that disappears; Described built-in support (5) places in the cavity (31), a pair of jump ring pin of tool jack (24), location runners (22) on it; Described jump ring (4) places in the cavity (31), and a pair of jump ring pin (25) on it was joined with pin groove (a 11) hook that offsets on the crack piece (7) after passing through jump ring pin jack (24); The middle tool rotating shaft cover (2) of described cover plate (1), a side are shaped on semicircular ring (27) and positioning pin (28), the centre of rotating shaft cover (2) offers axis hole (30), semicircular ring (28) places in the ring-shaped chamber that become by axle bed (15), (19) institute enclosure, and and one offset that structure is a SIMULATION OF ECCENTRIC ANNULAR between the crack piece (7), positioning pin (28) and location runners (22) scarf mutually, cover plate (1) by rotating shaft cover (2) in that to pass through axle sleeve hole (14) back fixing by banking stop (12); Described dust boot (3) is fixedly arranged on the swing tooth plate (6), and with cavity (31) cap seal.

2, double-disk seat angle adjustor according to claim 1 is characterized in that the diameter of the diameter of described external tooth (18) less than internal tooth (10).

3, double-disk seat angle adjustor according to claim 1 is characterized in that the axis hole (30) in the middle of the described rotating shaft cover (2) is the star axis hole.

4, double-disk seat angle adjustor according to claim 1 is characterized in that being equipped with lining (20) in the axis hole (21) of described swing tooth plate (6).

5, double-disk seat angle adjustor according to claim 1 is characterized in that also being shaped on a pair of presser feet (29) in a side of described cover plate (1), and it is corresponding that a pair of presser feet (29) and offsets crack piece (7).

6, double-disk seat angle adjustor according to claim 1 is characterized in that also having additional a pair of presser feet (23) on described built-in support (5), and it is corresponding that a pair of presser feet (23) and offsets crack piece (7).

7, double-disk seat angle adjustor according to claim 1, what it is characterized in that the described crack piece (7) that disappears is shaped as waist shape, and one big, the other end is little, in big first side direction, be arranged with and be formed with pin groove (11).

8, double-disk seat angle adjustor according to claim 1, the centre that it is characterized in that described dust boot (3) offers through hole, be shaped on cover plate seat (9) in the through hole, with cooperating of cover plate seat (9) dust boot (3) pressed solidly a side by cover plate (1) at the band cavity (31) of swing tooth plate (6).