CN208498306U - A kind of automobile-used noncontinuity backrest angle adjustor - Google Patents

Abstract

The utility model provides a kind of automobile-used noncontinuity backrest angle adjustor, it is fixed including close ring and fixed disk by laser welding, three return springs are circumferentially uniformly mounted on fixed disk far from the one side of close ring, three return springs are fixed with cam at center by its arm of angle, with teeth piece is arranged between two neighboring return spring, cam is withstood tooth block by return spring, cam is far from being provided with cylinder on the one side of fixed disk, cam is connected with mask by cylindrical gap, fixed block is movably arranged in the sliding groove of mask, the edge of mask axis hole, which equidistantly distributes, is provided with convex closure, mask is arranged in far from the side of fixed disk in convex closure, the axis hole of fixed disk includes that circular hole and annular nib form spline axis hole, annular nib is equidistantly positioned along the edge of circular hole.The utility model light weight, gap is small, can effectively reduce thickness, promotes bearing strength when tooth socket stress.

Description

A kind of automobile-used noncontinuity backrest angle adjustor

Technical field

The utility model relates generally to angle adjustor field more particularly to a kind of automobile-used noncontinuity backrest angle adjustor.

Background technique

Angle adjustor is that one kind is installed on automotive seat, realizes the device that seat back angle is adjusted.Angularly adjust Continuity can be divided into noncontinuity and adjust angle adjustor and continous way adjusting angle adjustor.Traditional noncontinuity angle adjustor volume is big, indulges Bigger than normal to gap, weld strength is relatively low, causes passenger's subjective assessment poor, therefore current angle adjustor quality cannot meet currently The higher and higher quality organoleptic requirements of passenger.

Chinese utility model patent, application number CN201120561462.2, patent name: suicide seat backrest tune are disclosed Angle device, the applying date: 20111229, the utility model provide it is a kind of it is reasonable in design, intensity is high, long service life, safety Reliable suicide seat backrest angle adjustor, the suicide seat backrest angle adjustor are structurally characterized in that: by lower arm, upper arm, handle, Main shaft, latch plate, slide, adjustable plate, tooth plate, resets spiral spring, lower arm reset spiral spring, fixing seat, fixator, capping group at chuck At the chuck is provided with sliding slot, and chuck, fixator and lower arm are fixed, and latch plate is fixed with slide, and latch board is in sliding slot In；For collar bush in handle, lower arm, adjustable plate and chuck, the adjustable plate is provided with regulating tank, and regulating tank is inserted in slide；It is multiple Position spiral spring covers outside main shaft and one end is fixed on adjustable plate, and the other end for resetting spiral spring is fixed on chuck；Upper arm, tooth plate and Fixing seat is welded and fixed, and tooth plate is caught in latch plate；Lower arm reset spiral spring is inserted in fixing seat and one end is fixed in fixing seat, under Arm, which resets the spiral spring other end, to be fixed on the holder, and the capping rivets in fixed fixing seat.But this angle adjustor volume is big, indulges Bigger than normal to gap, weld strength is relatively low.

Utility model content

The utility model provides a kind of automobile-used noncontinuity backrest angle adjustor and provides in view of the above drawbacks of the prior art A kind of automobile-used noncontinuity backrest angle adjustor, including close ring 1, fixed disk 2, tooth block 3, return spring 4, cam 5,6 He of mask Movable disk 7, the close ring 1 are fixed with fixed disk 2 by laser welding, and three return springs 4 are circumferentially equal Even to be mounted on one side of the fixed disk 2 far from close ring 1,4 round edge of return spring stretches out the arm of angle 8, three returns Spring 4 is fixed with cam 5 at center by its arm of angle 8, is arranged with teeth piece 3 between the two neighboring return spring 4, described convex Wheel 5 is withstood tooth block 3 by return spring 4, and the insertion of tooth block 3 is arranged in fixed disk 2, and the cam 5 is far from fixed disk 2 One side on be provided with cylinder 9, the cam 5 is connected with mask 6 by 9 gap of cylinder, and the tooth block 3 is far from fixed disk 2 One side on be provided with fixed block 10, the fixed block 10 is movably arranged in the sliding groove 12 of mask 6, and the tooth block 3 is remote Engagement is equipped with movable disk 7 on one side from fixed disk 2；

The edge of 6 axis hole of mask, which equidistantly distributes, is provided with convex closure 11, and the setting of convex closure 11 is in mask 6 far from solid On the side of price fixing 2, the axis hole of the fixed disk 2 includes that circular hole 13 and annular nib 14 form spline axis hole, the convex annular Side 14 is equidistantly positioned along the edge of circular hole 13.

Preferably, there are three the settings of convex closure 11, three convex closures 11 are separately positioned on the groove surface of 6 axis hole of mask formation It is interior.

Preferably, setting fluted 15 in fixed disk 2, the shape of the groove 15 is corresponding with tooth block 3, the groove 15 Position correspond to fixed disk 2 setting.

Preferably, teeth 17 are provided on the lateral surface of tooth block 3 to engage with movable disk 7, the tooth block 3 is nibbled with movable disk 7 Conjunction face both sides extension No.1 prolongs the male character types in Chinese operas, usu. referring tov the bearded character 18 and No. two are prolonged the male character types in Chinese operas, usu. referring tov the bearded character 19.

Preferably, the teeth 17 of 7 inside corresponding teeth block 3 of movable disk are provided with tooth socket 16.

Preferably, tooth block 3 is provided with No.1 salient angle 20 and No. two salient angles 21 on 5 one side of cam, and the No.1 is convex Depressed area is formed between angle 20 and No. two salient angles 21.

Preferably, fixed disk 2 is provided with semi-cylindrical hill 22, the semi-cylindrical hill 22 on the side of movable disk 7 It is corresponding with return spring 4.

The utility model has the beneficial effects that

(1) gap is small: the design of tooth block two corners, an angle and cam contact make tooth block generate certain angle displacement, Neng Gougeng The engagement of good and movable disk, substantially reduces the sensitive gap of angle adjustor；

(2) fixed disk material selection high-strength material S500MC greatly improves bearing strength when tooth socket stress；

(3) the big angle R 1.5 of movable disk root portion is designed, and improves the tooth top power output intensity of movable disk；

(4) by the design of double angles R of 2,3 optimization designs and tooth block, enable the longitudinal strength of angle adjustor forward backward 2000Nm or more can all be reached at an arbitrary position；

(5) centre of gyration of angle adjustor designs between close ring and movable disk, and using laser welding mode closure Ring and fixed disk link together, and the outer diameter of angle adjustor can be reduced by 7%, thickness reduces by 6%；

(6) 3 boss design of mask effectively reduces the thickness of mask, and thickness, which is thinned, reaches 33%；

(7) the spline axis hole matching design of fixed disk and axis increases built-in unlock stroke catch point function, saves outside Catch point bracket；

(8) pass through 5,6 and 7 light-weight design, angle adjustor loss of weight reaches 16%, while intensity is also able to satisfy client and needs It asks.

Detailed description of the invention

Fig. 1 is the detonation configuration figure of the utility model；

Fig. 2 is the main view of the utility model；

Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2；

Fig. 4 is the enlarged diagram of the midpoint Fig. 3 B；

Fig. 5 is the enlarged diagram of fixed disk；

Fig. 6 is the enlarged diagram of mask；

Fig. 7 is the enlarged diagram of movable disk；

Fig. 8 is the enlarged diagram of tooth block；

Fig. 9 is the specific implementation schematic diagram of the spline axis hole of the utility model；

In figure,

1, close ring；2, fixed disk；3, tooth block；4, return spring；5, cam；6, mask；7, movable disk；8, the arm of angle；9, Cylinder；10, fixed block；11, convex closure；12, sliding groove；13, circular hole；14, annular nib；15, groove；16, tooth socket；17, teeth； 18, No.1 prolongs the male character types in Chinese operas, usu. referring tov the bearded character；19, No. two are prolonged the male character types in Chinese operas, usu. referring tov the bearded character；20, No.1 salient angle；21, No. two salient angles；22, semi-cylindrical hill.

Specific embodiment

As shown in Figs. 1-3 it is found that the utility model includes: close ring 1, fixed disk 2, tooth block 3, return spring 4, cam 5, mask 6 and movable disk 7, the close ring 1 are fixed with fixed disk 2 by laser welding, and three return springs 4 are along circle Circumferential direction is uniformly mounted on one side of the fixed disk 2 far from close ring 1,4 round edge of the return spring stretching arm of angle 8, and three The return spring 4 is fixed with cam 5 at center by its arm of angle 8, is arranged with teeth piece between the two neighboring return spring 4 3, the cam 5 is withstood tooth block 3 by return spring 4, and the insertion of tooth block 3 is arranged in fixed disk 2, and the cam 5 is remote Cylinder 9 is provided on one side from fixed disk 2, the cam 5 is connected with mask 6 by 9 gap of cylinder, and the tooth block 3 is remote Fixed block 10 is provided on one side from fixed disk 2, the fixed block 10 is movably arranged in the sliding groove 12 of mask 6, institute It states engagement on one side of the tooth block 3 far from fixed disk 2 and movable disk 7 is installed；

The edge of 6 axis hole of mask, which equidistantly distributes, is provided with convex closure 11, and the setting of convex closure 11 is in mask 6 far from solid On the side of price fixing 2, the axis hole of the fixed disk 2 includes that circular hole 13 and annular nib 14 form spline axis hole, the convex annular Side 14 is equidistantly positioned along the edge of circular hole 13.

The centre of gyration of angle adjustor designs between close ring 1 and movable disk 7, and using laser welding mode close ring It links together with fixed disk, the outer diameter of angle adjustor can be reduced by 7%, thickness reduces by 6%.

The spline axis hole matching design of fixed disk 2 and axis increases built-in unlock stroke catch point function, saves external gear Point bracket.

Preferred in this embodiment, there are three the settings of convex closure 11, and three convex closures 11 are separately positioned on 6 axis hole shape of mask At groove surface in.

3 convex closures of mask design, and effectively reduce the thickness of mask, and thickness, which is thinned, reaches 33%.

By above-mentioned light-weight design, angle adjustor loss of weight reaches 16%.

Preferred in this embodiment, setting fluted 15 in fixed disk 2, the shape of the groove 15 is corresponding with tooth block 3, The position of the groove 15 corresponds to the setting of fixed disk 2.

2 material selection high-strength material S500MC of fixed disk, greatly improves bearing strength when tooth socket stress.

It is preferred in this embodiment, teeth 17 are provided on the lateral surface of tooth block 3 and are engaged with movable disk 7, the tooth block 3 and 7 field of conjugate action both sides of movable disk extension No.1 prolongs the male character types in Chinese operas, usu. referring tov the bearded character 18 and No. two are prolonged the male character types in Chinese operas, usu. referring tov the bearded character 19.

Preferred in this embodiment, the teeth 17 of 7 inside corresponding teeth block 3 of movable disk are provided with tooth socket 16.

The big angle R 1.5 in 7 tooth socket of movable disk, 16 root is designed, and the tooth top power output intensity of movable disk 7 is improved.

By the design of double angles R of the optimization designs of upper two preferred embodiments and tooth block, enable angle adjustor to Longitudinal strength after forward direction can all reach 2000Nm or more at an arbitrary position.

Preferred in this embodiment, tooth block 3 is provided with No.1 salient angle 20 and No. two salient angles 21 on 5 one side of cam, Depressed area is formed between the No.1 salient angle 20 and No. two salient angles 21.

The design of 3 two corners of tooth block, an angle and the contact of cam 5 make tooth block 3 generate certain angle displacement, can be preferably and living Moving plate engagement, substantially reduces the sensitive gap of angle adjustor.

Preferred in this embodiment, fixed disk 2 is provided with semi-cylindrical hill 22 on the side of movable disk 7, and described half Circular protrusions 22 are corresponding with return spring 4.

In order to guarantee in use, this semi-cylindrical hill 22 and return spring 4 match effect, furthermore economical to save It saves, while maximumlly strengthening the effect of fixed disk 2 and return spring 4.

The principles and effects of present patent application are only illustrated in above-described embodiment, not for limitation this patent Shen Please.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to present patent application Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of present patent application All equivalent modifications or change completed under mind and technical idea, the claim that should be asked by this patent are covered.

Claims (7)

1. a kind of automobile-used noncontinuity backrest angle adjustor, which is characterized in that including close ring (1), fixed disk (2), tooth block (3), Return spring (4), cam (5), mask (6) and movable disk (7), the close ring (1) and fixed disk (2) are solid by laser welding Fixed, three return springs (4) are circumferentially uniformly mounted on the one side of fixed disk (2) separate close ring (1), Return spring (4) round edge stretches out the arm of angle (8), and three return springs (4) are fixed with by its arm of angle (8) at center convex It takes turns (5), is arranged with teeth piece (3) between the two neighboring return spring (4), the cam (5) passes through return spring (4) for tooth Block (3) is withstood, and tooth block (3) insertion is arranged in fixed disk (2), and the cam (5) is far from the one side of fixed disk (2) It is provided with cylinder (9), the cam (5) is connected with mask (6) by cylinder (9) gap, and the tooth block (3) is far from fixed disk (2) it being provided on one side fixed block (10), the fixed block (10) is movably arranged in the sliding groove (12) of mask (6), The tooth block (3) is equipped with movable disk (7) far from engagement on the one side of fixed disk (2)；

The edge of mask (6) axis hole, which equidistantly distributes, to be provided with convex closure (11), and convex closure (11) setting is remote in mask (6) On side from fixed disk (2), the axis hole of the fixed disk (2) includes that circular hole (13) and annular nib (14) form splined shaft Hole, the annular nib (14) are equidistantly positioned along the edge of circular hole (13).

2. a kind of automobile-used noncontinuity backrest angle adjustor according to claim 1, it is characterised in that: the convex closure (11) sets There are three setting, three convex closures (11) are separately positioned in the groove surface of mask (6) axis hole formation.

3. a kind of automobile-used noncontinuity backrest angle adjustor according to claim 2, it is characterised in that: the fixed disk (2) Interior setting fluted (15), the shape of the groove (15) is corresponding with tooth block (3), and the position of the groove (15) is corresponding to be fixed Disk (2) setting.

4. a kind of automobile-used noncontinuity backrest angle adjustor according to claim 3, it is characterised in that: the tooth block (3) It is provided with teeth (17) on lateral surface to engage with movable disk (7), the tooth block (3) and movable disk (7) field of conjugate action both sides extend one Number prolong the male character types in Chinese operas, usu. referring tov the bearded character (18) and No. two are prolonged the male character types in Chinese operas, usu. referring tov the bearded character (19).

5. a kind of automobile-used noncontinuity backrest angle adjustor according to claim 4, it is characterised in that: the movable disk (7) The teeth (17) of inside corresponding teeth block (3) are provided with tooth socket (16).

6. a kind of automobile-used noncontinuity backrest angle adjustor according to claim 5, it is characterised in that: the tooth block (3) is leaned on No.1 salient angle (20) and No. two salient angles (21), the No.1 salient angle (20) and No. two salient angles are provided on nearly cam (5) one side (21) depressed area is formed between.

7. a kind of automobile-used noncontinuity backrest angle adjustor according to claim 6, it is characterised in that: the fixed disk (2) It is provided with semi-cylindrical hill (22) on the side of movable disk (7), the semi-cylindrical hill (22) and return spring (4) are opposite It answers.