CN201136449Y

CN201136449Y - Angle modulation device of disc type gapless seat

Info

Publication number: CN201136449Y
Application number: CNU2007201313808U
Authority: CN
Inventors: 邹耀忠
Original assignee: 邹耀忠
Current assignee: JIANGSU ZHONGMING XIANGHE SEIKO CO., LTD.
Priority date: 2007-12-14
Filing date: 2007-12-14
Publication date: 2008-10-22
Anticipated expiration: 2017-12-14

Abstract

The utility model provides a disc type zero clearance seat angle adjuster, which belongs to the car parts. The angle adjuster comprises a movable dental plate, a fixed dental plate, a pair of clearance removing blocks, a built-in bracket, a snap spring, a dust guard, a cover board and a closed ring, wherein, the middle part of the movable dental plate is provided with a first shaft hole, one side of the movable dental plate is provided with a first concave cavity and the other side is provided with a first connecting lug boss; one side of the first shaft hole is provided with a shaft bushing base convexly; the middle part of the fixed dental plate is provided with a second shaft hole, one side of the fixed dental plate is provided with a second concave cavity and a second connecting lug boss and the other side is provided with an outer tooth; one side of the second shaft hole is provided with a shaft base convexly; the pair of clearance removing blocks have a kidney shape, the upper part of the pair of clearance removing blocks is provided with a foot groove; the built-in bracket is provided with a snap spring foot limit block; the opening end of the snap spring forms a snap spring foot; the dust guard is covered out of the second concave cavity; the cover board is provided with a rotating shaft sleeve at the middle part and a semi-circular ring at one side, the semi-circular ring is fixed by a retainer ring; the closed ring is wrapped and sealed on the outer periphery of the fixed dental plate and the movable dental plate. The disc type zero clearance seat angle adjuster has the advantages of low production cost, easy assembly, firm locking, strong commonality and reliable connection with the seat.

Description

Disc type gapless chair angle modulation device

Technical field

The utility model relates to a kind of disc type gapless chair angle modulation device, is used to regulate the chair back with respect to the angle between the chair, belongs to technical field of automobile parts.

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 as according to chaufeur or passenger's build the angle of inclination of the relative cushion of flexible backrest.At present, the recliner that is applied on the automobile seat comparatively common on the market is the disc type recliner, it mainly comprises a discoid reaction plate and a discoid Advance plate, 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 it has the following disadvantages: 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 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.

At above-mentioned existing problems, China utility model patent Granted publication CN2776748Y, a kind of " double-disk seat angle adjustor " disclosed again, its achievement part is: endplay simple in structure, easy to assembly, no and locking are firm, but also expose following point in actual use: 1, because fixed tooth plate and swing tooth plate are designed to the ear-lobe shape of strip, therefore, for suitable with its shape, shape to cushion connecting panel and backrest connecting panel has special requirement, thereby causes the narrow application range of recliner, commonality relatively poor; 2, when mounted, only depend on a pair of positioning boss that is located at fixed tooth plate and swing tooth plate one side to realize, make the connection between recliner and the seat unreliable.

Summary of the invention

Task of the present utility model be to provide a kind of endplay simple in structure, no, firm, the easy assembling of locking, applied widely, commonality good and can guarantee and seat between connect the failure-free disc type gapless chair angle modulation device.

Task of the present utility model is achieved like this, a kind of disc type gapless chair angle modulation device, it comprises a swing tooth plate, one fixed tooth plate, one offsets the crack piece, one built-in support, one jump ring, one dust boot, one cover plate and a closed ring, described swing tooth plate is a disc, has first axis hole in the middle of it, one side side is concaved with first cavity, the opposite side side convexes with and is used for being connected boss with first of cushion connecting panel connection, on the inner periphery wall body of first cavity, constitute internally toothed annulus, convex with sleeve block towards a side of first cavity at first axis hole; Described fixed tooth plate is a disc, be concaved with second cavity in the middle part of having second axis hole, a side side in the middle of it, one side side periphery be formed be used for the backrest connecting panel connect second be connected boss, the opposite side side outwards convexes with and is used for nibbling the external tooth of joining with internally toothed annulus, convexes with axle bed at second axis hole towards a side of second cavity; Described one offset the crack piece be shaped as waist shape, and one big, the other end is little, is concaved with the pin groove in big first side side; Described built-in is placed in second cavity, ringwise, is shaped on a jump ring pin limiting stopper on it; Described jump ring places in second cavity, and ringwise, its open end is formed with a pair of jump ring pin of joining with pin groove hook of being used for; Described dust boot places on the side side of fixed tooth plate, and with the second cavity cap seal; The middle part of described cover plate has extended a rotating shaft cover, a side is shaped on semicircular ring, centre at the rotating shaft cover is formed with the third axle hole, cover plate is enclosed within by rotating shaft and fixes with back-up ring after passing dust boot, jump ring, built-in support and first axis hole successively, and makes semicircular ring and offset the eccentric annulus that is combined into a closure in the cavity volume of crack piece between axle bed, sleeve block; Described closed ring is encapsulated in the outer perimeter of fixed tooth plate and swing tooth plate.

The utility model is installed with a lining in described axle bed.

The internal diameter of lining described in the utility model is greater than the external diameter of sleeve block.

The utility model also is shaped on a pair of built-in support presser feet that is used to limit built-in support longitudinal travel respectively and a pair ofly is used to limit the crack piece presser feet that disappears of crack piece longitudinal travel of disappearing in a side of described cover plate.

The described built-in support of the utility model is provided with a pair of being used for and cooperates and the passive jump ring feet of mat with jump ring.

The utility model also is provided with on described built-in support and a pair ofly is used for cooperating with the outward flange of axle bed and mat plays the positioning pin of radial location effect.

The utility model is provided with position-limited trough between on the excircle wall body of described swing tooth plate, correspondingly, fixed tooth plate be provided with between on the side side of first cavity and be used for the positive stop lug boss that matches with position-limited trough.

The centre of dust boot described in the utility model offers through hole, is shaped on the cover plate seat in the through hole, and dust boot is pressed solidly outside second cavity of fixed tooth plate by cover plate by the cover plate seat, and with the second cavity cap seal.

The utility model is formed with circlip groove on the outer wall body of described rotating shaft cover, back-up ring is embedded in circlip groove.

First, second connection boss described in the utility model has a plurality of, establishes between being respectively to be distributed on swing tooth plate, the fixed tooth plate in shape ground week.

The utility model is because after adopting said structure, one of advantage that has, the external tooth that is convexly set on the fixed tooth plate owing to usefulness have replaced original doubly-linked tooth, have not only reduced manufacture difficulty and productive costs, and have made things convenient for assembling; Two, owing to adopted one to offset the crack piece, and behind the jump ring of packing into, built-in support and the cover plate, make swing tooth plate and fixed tooth plate very close to each other when meshing, thereby make the seat locking firm, stable work in work; Three, in second axis hole, be provided with lining, increased the resistance to abrasion between the tooth plate, prolonged the service life of recliner; Four, fixed tooth plate and swing tooth plate are designed to disc, strengthened the commonality of recliner, it can be connected with any seat of any vehicle; Five, be distributed in around swing tooth plate and the fixed tooth plate outside first, second between adopting and be connected boss, can guarantee the reliability of recliner and seat connection.

Accompanying drawing and drawing explanation:

Fig. 1 is that the axle of an embodiment of the present utility model is surveyed scheme drawing.

Fig. 2 is that the axle of the other direction of Fig. 1 is surveyed scheme drawing.

Among the figure: 1. cover plate, 11. rotating shaft covers, 111. third axle holes, 112. circlip grooves, 12. semicircular ring, 13. built-in support presser feets, the 14. crack piece presser feet that disappears; 2. dust boot, 21. cover plate seats; 3. jump ring, 31. jump ring pin; 4. built-in support, 41. jump ring feets, 42. positioning pins, 43. jump ring pin limiting stoppers; 5. lining; 6. fixed tooth plate, 61. second axis holes, 62. axle beds, 63. second cavitys, 64. second connect boss, 65. positive stop lug boss; 7. crack piece, 71. pin grooves disappear; 8. swing tooth plate, 81. first axis holes, 82. sleeve blocks, 83. first connect boss, 84. internally toothed annuluss, 85. first cavitys, 86. position-limited troughs; 9. closed ring; 10. back-up ring.

The specific embodiment

For the inspector and the public who makes Patent Office can further understand technical spirit of the present utility model and beneficial effect, the applicant is described in detail as follows with the concrete but embodiment of nonuniqueness.

See also Fig. 1 and in conjunction with Fig. 2, swing tooth plate 8 of the present utility model adopts metallic material to strike out disc, offering through hole in the middle of it is first axis hole 81, be provided with position-limited trough 86 between on the excircle wall body, one side side sets to the concave and is formed with first cavity 85, the opposite side side outwards is convexly equipped with and is formed with and is used for first being connected boss 83 with the backrest connecting panel connects, on the inner periphery wall body of first cavity 85, constitute internally toothed annulus 84, convex with sleeve block 82 at first axis hole 81 towards a side of first cavity 85, first connects boss 83 has a plurality of, concrete quantity is unrestricted, illustrated six among the figure, be distributed in around the outside of swing tooth plate 8 between equably.Fixed tooth plate 6 of the present utility model also adopts metallic material punching press disc, offering through hole in the middle of it is second axis hole 61, middle part, one side side is concaved with second cavity 63, one side side periphery is formed with and is used for being connected boss 64 with second of cushion connecting panel connection, the opposite side side outwards convexes with respectively and is used for the positive stop lug boss 65 nibbling the external tooth 66 of joining and be used for matching with position-limited trough 86 with internally toothed annulus 84, convex with axle bed 62 at second axis hole 61 towards a side of second cavity 63, in axle bed 62, be installed with an anti-wearing liner 5, external tooth 66 places in first cavity 85 of swing tooth plate 8, and nibble mutually with internally toothed annulus 84 and to join, sleeve block 82 place in the lining 5 and and axle bed 62 between be formed with annular chamber.The crack piece 7 that disappears of the present utility model is waist shape, and one big, the other end is little, set to the concave in big first side side and be formed with the pin groove 71 of joining for jump ring pin 31 hooks of jump ring 3, the crack piece 7 that disappears has a pair of, place respectively in the annular chamber between sleeve block 82 and the axle bed 62, when mounted, one one of offseting crack piece 7 band pin grooves 71 establishes in opposite directions, and the inner arc surface of the crack piece 7 that respectively disappears and the exterior arc surface of sleeve block 82 are coincide, and arc surface match within the lining 5 in the exterior arc surface of the crack piece 7 that disappears and the axle bed 62.Built-in support 4 of the present utility model places in second cavity 63, has one on it and is used for preventing that jump ring pin 31 breaks away from the jump ring pin limiting stopper 43 and a pair of being used for of coming from pin groove 71 and cooperates with jump ring 3 and passive jump ring feet 41 of jump ring 3 mats and a pair of being used for are cooperated and the positioning pin 42 of mat radial location effect with the outward flange of axle bed 62.Jump ring 3 of the present utility model ringwise, the two ends of its opening are bent into jump ring pin 31, jump ring 3 places in second cavity 63, a pair of jump ring pin 31 on it is joined with pin groove 71 hooks that offset on the crack piece 7 behind the through hole that passed through built-in support 4 centres, its objective is that offseting crack piece 7 by jump ring 3 applies an open laterally power, and the crack piece 7 that disappears applies a power to fixed tooth plate 6, swing tooth plate 8, makes that swing tooth plate 8 and fixed tooth plate 6 are very close to each other when meshing.Dust boot 2 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 21.Cover plate 1 of the present utility model generally can adopt plastic injection-moulded forming, its middle part has extended rotating shaft cover 11, one side is shaped on semicircular ring 12 respectively, a pair of built-in support presser feet 13 and one offsets crack piece presser feet 14, offering through hole in the centre of rotating shaft cover 11 is third axle hole 111, the shape in third axle hole 111 is unrestricted, it can be star, also can be quincunx etc., on the outer wall body of rotating shaft cover 11, be formed with the circlip groove 112 that is used to install back-up ring 10, when mounted, cover plate 1 is passing dust boot 2 by rotating shaft cover 11 successively from a side of fixed tooth plate 6, jump ring 3, first axis hole, 81 backs in the middle of built-in support 4 and the swing tooth plate 8 are fixing with back-up ring 10, specifically be by realizing the fixing of cover plate 1 in the circlip groove 112 on the back-up ring 10 embedding rotating shaft covers 11, dust boot 2 presses solidly side outside second cavity 63 of swing tooth plate 6 by the cover plate seat 21 on it by cover plate 1 again simultaneously, thereby with jump ring 3, built-in support 4 and one offsets crack piece 7 cap seal and mat plays dustproof effect together, and make the semicircular ring 12 on the cover plate 1 place axle bed 62, in the cavity volume between the sleeve block 82, and with one offset the eccentric annulus that crack piece 7 is combined into a closure, and a pair of built-in support presser feet 13 on the cover plate 1 is pressed on the outside of built-in support 4, built-in support 4 is played axial limiting, on the cover plate 1 one offsets crack piece presser feet 14 and is pressed on one respectively and offsets on the crack piece 7, offsets crack piece 7 and plays axial limiting.Simultaneously, the utility model is spacing by cooperatively interacting of the position-limited trough 86 on positive stop lug boss on the fixed tooth plate 6 65 and the swing tooth plate 7, can guarantee that recliner leans forward or spacing safe, reliable during hypsokinesis being in, and other connecting panel such as cushion connecting panel and backrest connecting panel on all do not need to increase again inhibiting device.Closed ring 9 of the present utility model is a ring-type, be encapsulated in the outer perimeter of fixed tooth plate 6 and swing tooth plate 8, its effect is to guarantee that fixed tooth plate 8 and swing tooth plate 6 can not come off at work, guarantees that simultaneously recliner in use axially can play, radially can not beat.Need to prove: built-in support 4 of the present utility model when mounted, need to guarantee that jump ring pin limiting stopper 43 on it is positioned at a centre that offsets the pin groove 71 of crack piece 7, like this, can stop that by jump ring pin limiting stopper 43 a pair of jump ring pin 31 of jump ring 3 spins off from pin groove 71.

Recliner of the present utility model is on being installed to automotive seat the time, as long as first of swing tooth plate 8 outsides are connected boss 83 and the welding of backrest connecting panel, and the second connection boss 64 in fixed tooth plate 6 outsides gets final product with the welding of cushion connecting panel, therefore 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 disc type gapless chair angle modulation device of the present utility model all can be suitable for it, thereby has stronger commonality.

Angle regulator for automobile chair of the present utility model both can adopt electrodynamic type to regulate, and also can adopt manual regulation.When adopting electrodynamic type to regulate, the third axle hole 111 of can be directly 11 centers being overlapped in the output shaft of electrical motor and rotating shaft is connected and gets final product, and when the needs manual regulation, can be equipped with rotating shaft in third axle hole 111 interpolations, and the installation handwheel gets final product in rotating shaft.

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 11 o'clock, because jump ring 3 offsets the outside tension force that crack piece 7 applies, and the crack piece 7 that disappears applies a power to fixed tooth plate 6, swing tooth plate 8, make that swing tooth plate 8 and fixed tooth plate 6 are very close to each other when meshing, internally toothed annulus 84 is tightr with external tooth 66 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 11 rotations of rotating shaft cover, rotating shaft cover 11 drives cover plate 1 rotation again, cover plate 1 rotates by the semicircular ring on it 12 promote again to disappear crack piece 7, because what semicircular ring 12 and offseted crack piece 7 formations is an eccentric annulus, therefore the internally toothed annulus 84 that can promote on the swing tooth plate 8 is made eccentric rotary on the external tooth 66 of fixed tooth plate 6, the angle of swing tooth plate 8 is changed, thereby reach the angle of adjustment seat chair back.

Claims

1, a kind of disc type gapless chair angle modulation device, it is characterized in that it comprises a swing tooth plate (8), one fixed tooth plate (6), one offsets crack piece (7), one built-in support (4), one jump ring (3), one dust boot (2), one cover plate (1) and a closed ring (9), described swing tooth plate (8) is a disc, has first axis hole (81) in the middle of it, one side side is concaved with first cavity (85), the opposite side side convexes with and is used for being connected boss (83) with first of cushion connecting panel connection, on the inner periphery wall body of first cavity (85), constitute internally toothed annulus (84), convex with sleeve block (82) towards a side of first cavity (85) at first axis hole (81); Described fixed tooth plate (6) is a disc, be concaved with second cavity (63) in the middle part of having second axis hole (61), a side side in the middle of it, one side side periphery is formed with and is used for second being connected boss (64), opposite side side and outwards convexing with and be used for and internally toothed annulus (84) is nibbled the external tooth (66) of joining with the backrest connecting panel connects, convexes with axle bed (62) at second axis hole (61) towards a side of second cavity (63); Described one offset crack piece (7) be shaped as waist shape, and one big, the other end is little, is concaved with pin groove (71) in big first side side; Described built-in support (4) places in second cavity (63), ringwise, is shaped on a jump ring pin limiting stopper (43) on it; Described jump ring (3) places in second cavity (63), and ringwise, its open end is formed with a pair of jump ring pin (31) of joining with pin groove (71) hook of being used for; Described dust boot (2) places on the side side of fixed tooth plate (6), and with second cavity (63) cap seal; The middle part of described cover plate (1) has extended a rotating shaft cover (11), a side is shaped on semicircular ring (12), be formed with third axle hole (111) in the centre of rotating shaft cover (11), cover plate (1) is fixing with back-up ring (10) after passing dust boot (2), jump ring (3), built-in support (4) and first axis hole (81) successively by rotating shaft cover (11), and makes semicircular ring (12) and offset the eccentric annulus that is combined into a closure in the cavity volume of crack piece (7) between axle bed (62), sleeve block (82); Described closed ring (9) is encapsulated in the outer perimeter of fixed tooth plate (6) and swing tooth plate (8).

2, disc type gapless chair angle modulation device according to claim 1 is characterized in that being installed with a lining (5) in described axle bed (62).

3, disc type gapless chair angle modulation device according to claim 2 is characterized in that the external diameter of the internal diameter of described lining (5) greater than sleeve block (82).

4, disc type gapless chair angle modulation device according to claim 1 is characterized in that also being shaped on a pair of built-in support presser feet (13) and a pair of crack piece presser feet (14) that disappears that is used for limiting crack piece (7) longitudinal travel that disappears that is used to limit built-in support (4) longitudinal travel respectively in a side of described cover plate (1).

5, disc type gapless chair angle modulation device according to claim 1 is characterized in that described built-in support (4) is provided with a pair of being used for and cooperates and the passive jump ring feet of mat (41) with jump ring (3).

6, disc type gapless chair angle modulation device according to claim 1 is characterized in that also being provided with on described built-in support (4) and a pair ofly is used for cooperating with the outward flange of axle bed (62) and mat plays the positioning pin (42) of radial location effect.

7, disc type gapless chair angle modulation device according to claim 1, it is characterized in that between on the excircle wall body of described swing tooth plate (8), being provided with position-limited trough (86), correspondingly, fixed tooth plate (6) be provided with between on the side side of first cavity (85) and be used for the positive stop lug boss (65) that matches with position-limited trough (86).

8, disc type gapless chair angle modulation device according to claim 1, the centre that it is characterized in that described dust boot (2) offers through hole, be shaped on cover plate seat (21) in the through hole, dust boot (2) is pressed solidly outside second cavity (63) of fixed tooth plate (6) by cover plate (1) by cover plate seat (21), and with second cavity (63) cap seal.

9, disc type gapless chair angle modulation device according to claim 1 is characterized in that being formed with circlip groove (112) on the outer wall body of described rotating shaft cover (11), and back-up ring (10) is embedded in circlip groove (112).

10, disc type gapless chair angle modulation device according to claim 1, it is a plurality of to it is characterized in that described first, second connection boss (83,64) has, and establishes between being respectively to be distributed in shape ground week on swing tooth plate (8), the fixed tooth plate (6).