CN101791954B - Automobile seat backrest adjuster - Google Patents
Automobile seat backrest adjuster Download PDFInfo
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- CN101791954B CN101791954B CN2010101311014A CN201010131101A CN101791954B CN 101791954 B CN101791954 B CN 101791954B CN 2010101311014 A CN2010101311014 A CN 2010101311014A CN 201010131101 A CN201010131101 A CN 201010131101A CN 101791954 B CN101791954 B CN 101791954B
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Abstract
The invention discloses an automobile seat backrest adjuster comprising an external toothed plate, a dead plate, a jacket, a cam, a locking toothed plate and a return spring. The automobile seat backrest adjuster is characterized in that the cam is directly connected with the locking toothed plate, and the locking tooth on the locking toothed plate is meshed and de-meshed with the tooth on the inner tooth ring; the cam of the invention directly drives the locking toothed plate to traverse inwards or outwards by an unlocking tentacle on the cam and a cam self-locking surface to reduce one control panel used in the similar backrest adjuster in market, so that the invention simplifies product design, is convenient to install, has more compact structure and is simple and convenient to operate. The invention makes further improvement on the aspects of the cam and the locking toothed plate, and two cam self-locking surfaces contact with two toothed plate locking surfaces under both the loading working condition and the unloading working condition so as to ensure that the locking teeth of the locking toothed plate can be completely meshed with the teeth on the inner tooth ring of the outer toothed plate, thus improving locking capability.
Description
Technical field
The present invention relates to a kind of angular adjustment and folding device that is used for automotive seat, particularly a kind of angle regulator for automobile chair that is widely used on all kinds of automotive seat.
Background technology
At present, the seat angle adjustor that is used for vehicle both at home and abroad is installed in the seat of vehicle, and through seat angle adjustor, back of seat can carry out angular adjustment with respect to seat cushion.
Recliner is as vital safety mechanisms, in collision case, thereby recliner should be able to bear and act on seat and affact the impulsive force on the recliner, and big distortion or destruction should not taken place.In recent years, the raising along with the seat safety performance requires needs angle regulator for automobile chair can bear higher load.
Referring to Fig. 1 and Fig. 2, general seat angle adjustor comprises outer tooth plate (not shown) that is installed in seat back side and the adapter plate 10 that is installed in the seat cushion side, and outer tooth plate and adapter plate 10 form each other and rotate.Be built in the locking tooth plate 20 on the adapter plate 10; Under the promotion that is built in a pair of wind spring 30 on the adapter plate 10, cam 40, control panel 50; Reach relatively rotating of restriction adapter plate 10 and outer tooth plate with the tooth engagement on the outer tooth plate internally toothed annulus, thus back of seat is fixed on certain angle.
There is following problem in this seat angle adjustor: 1, cam 40 promotes 20 motions of locking tooth plate through control panel 50, has increased the installation complexity and the cost of seat angle adjustor thus, causes competitiveness of product to descend; 2, behind the tooth engagement entering lockup state on locking tooth plate 20 and the outer tooth plate internally toothed annulus; Under the operating mode of stand under load not; Locking tooth plate 20 contacts from locking face 41,42 through two on two the load pin 21,22 on it and the cam 40; The static weight that bears of seat back side is passed to locking tooth plate 20 by outer tooth plate like this, is passed to cam 40 through two the load pin 21,22 on the locking tooth plate 20 again, and cam 40 is delivered to the seat cushion side through camshaft (not shown), adapter plate 10.But in use find, under the operating mode of stand under load, especially bear under the stronger load condition; Deflection can appear in locking tooth plate 20, its have only a load pin 21 or 22 with cam 40 on one contact transmitted load from locking face 41 or 42; And another load pin 22 or 21 and cam 40 on another break away from from locking face 42 or 41, produce the gap between the two, can not transmitted load (referring to Fig. 2); All like this load is all transmitted through a load pin 21 or 22, makes load pin 21 or 22 and the overload phenomenons occur from locking face 41 or 42, and the time one is long; Load pin 21 or 22 and occur breakage easily from the position that locking face 41 or 42 is in contact with one another forms etchback, causes locking tooth plate 20 and tooth engagement on the outer tooth plate internally toothed annulus incomplete; Reduce loading strength, caused the generation of safety misadventure easily.When under very high impact load operating mode, during like the generation vehicle collision, also very easily cause the load pin place fracture of locking tooth plate 20, serious safety misadventure appears, jeopardize the person.
Summary of the invention
To the deficiency of prior art, an object of the present invention is to provide a kind of simple installation, compact conformation, simple to operation, cost is lower, and competitiveness of product is higher, can be widely used in the angle regulator for automobile chair on all kinds of automotive seat.
A further object of the invention provides the angle regulator for automobile chair that a kind of locking is reliable, loading strength is high.
In order to realize the foregoing invention purpose, angle regulator for automobile chair of the present invention comprises:
One is installed in the outer tooth plate of seat back side, and said outer tooth plate has an internally toothed annulus,
One is installed in the adapter plate of seat cushion side;
One connects the sheath of described outer tooth plate and adapter plate;
Be disposed at cam, locking tooth plate, retracing spring between described outer tooth plate and the adapter plate, described locking tooth plate be provided with described internally toothed annulus on tooth ingear locking teeth; Said retracing spring is connected between said cam and the adapter plate, it is characterized in that, said cam directly connects with the locking tooth plate, drives locking teeth and engagement of the tooth on the described internally toothed annulus and drop out of gear on the locking tooth plate.
Said cam directly connects with the locking tooth plate: described cam is provided with the release tentacle that radially extends along cam; End at said release tentacle is provided with the release projection; The axis of said release projection and the parallel axes of said cam; Said locking tooth plate face of tooth plate outside said is provided with the release tentacle loose slot of sinking; Be provided with at the bottom land of said release tentacle loose slot and separate locked groove, said release tentacle stretches into described release tentacle loose slot and can in described release tentacle loose slot, do circumferential movement, and said release projection extend into to be separated in the locked groove and can do circumferential movement in the locked groove described separating.
Said release tentacle becomes stepped arrangement with said cam.
The present invention is provided with at least two cams from locking face in the outer rim of said cam; Also be provided with at least two at least two tooth plates that contact from locking face of outer rim with cam from locking face, when the overhead cam of cam is realized interlocking from locking face with the tooth plate on the locking tooth plate when locking face contacts in the described locking tooth plate and the contact portion of said cam outer rim.
The outer rim of said cam has two cams from locking face; Along cam outer rim circumferential arrangement; Described locking tooth plate also has two tooth plates from locking face, two both sides that are divided into the contact portion of described locking tooth plate and said cam outer rim from locking face on the locking tooth plate; Two of said cam outer rim equate with the angle of two tooth plates between locking face on the locking tooth plate from the angle between the locking face, when two cams of said cam outer rim are realized interlocking from locking face with two tooth plates on the said locking tooth plate when locking face contacts.
The outer rim of said cam has three cams from locking face; Along cam outer rim circumferential arrangement; Be divided into first, second, third cam from locking face; Second cam from locking face at the first, the 3rd cam between locking face, the second cam self-locking identity distance from the distance in the cam center of circle greater than the distance of the first, the 3rd cam self-locking identity distance from the cam center of circle; Described locking tooth plate also has three tooth plates from locking face; Be divided into first, second, third tooth plate from locking face; Wherein the first, the 3rd tooth plate is divided into the both sides of the contact portion of described locking tooth plate and said cam outer rim from locking face; Second tooth plate is positioned at from locking face on the line of centers of locking tooth plate, and second tooth plate is lower than the first, the 3rd tooth plate from locking face from locking face, under the operating mode of stand under load not; First, three tooth plate of the first, the 3rd cam of cam outer rim on locking face and said locking tooth plate contacts from locking face and realizes interlocking, and the 3rd cam is 0.01mm-1mm from locking face and the gap of second tooth plate between locking face; Under the operating mode of stand under load, the 3rd cam contacts from locking face with the 3rd tooth plate from locking face, and first cam contacts or second cam contacts from locking face with second tooth plate from locking face from locking face from locking face and first tooth plate, realizes interlocking.
Has the boss that is connected with the back of seat connecting panel on the outer tooth plate of the present invention.
Has the boss that is linked with the seat cushion connecting panel on the adapter plate of the present invention.
Principle of work of the present invention is: when locking tooth plate during with outer tooth plate engagement, the tooth plate on the locking tooth plate contacts formation interlocking with cam on the cam from locking face from locking face; When to the unlocking direction rotating cam; Tooth plate on the locking tooth plate separates from locking face with cam on the cam from locking face, and release projection the separating in the locked groove on the locking tooth plate on the release tentacle moved, and relies on the path of motion of separating the locked groove defined; Two locking tooth plates are spurred toward the circle center position; Locking teeth on the locking tooth plate and the tooth on the outer tooth plate internally toothed annulus unclamp at this moment, and outer tooth plate can freely rotate, i.e. the angle of scalable back of seat.When to locking direction rotating cam; Under action of cam, rely on the path of motion of separating the locked groove defined, promote two locking tooth plates to circle center reversing sense translation; Tooth engagement on locking teeth on the locking tooth plate and the outer tooth plate internally toothed annulus; Outer tooth plate can't rotate, and simultaneously the tooth plate on the locking tooth plate contacts the formation interlocking from locking face with cam on the cam from locking face.
Apparatus of the present invention are come power cam through the power of external torque and retracing spring; And then the inside or outside translation of locking tooth plate in the control adapter plate; Tooth on the locking tooth plate is separated with tooth on the outer tooth plate internally toothed annulus or mesh; Thereby make seat angle adjustor reach release or lockup state; By sheath above-mentioned part being fixed together forms relatively independent device, through the boss on the adapter plate be connected with connecting panel on the seat cushion with outer tooth plate on boss be connected with the back of seat connecting panel, realize the angular adjustment of the relative seat cushion of back of seat.
The present invention has following beneficial effect: 1, cam of the present invention through the release tentacle on it and cam from the inside or outside translation of locking face direct drive locking tooth plate; Reduced the control panel that is applied in the similar recliner on the market; Simplified the design of product; Install easylier, structure is compact more, and is simple to operation.Owing to reduced control panel, cost is lower, makes product more competitive.2, the present invention is provided with three tooth plates from locking face through three cams are set in the cam outer rim from locking face with on the locking tooth plate; A tooth plate locking face especially is set on the line of centers of locking tooth plate, makes that no matter the present invention is under the operating mode of stand under load not, still under the operating mode of stand under load; All there are two cams to contact with two tooth plate locking faces from locking face; The locking tooth that has guaranteed the locking tooth plate can mesh with tooth on the outer tooth plate internally toothed annulus entirely, has improved lockup capacity, has solved the easy load pin that occurs of prior art and has occurred breakage easily from the position that locking face is in contact with one another; Form etchback; Cause the tooth on locking tooth plate and the outer tooth plate internally toothed annulus to mesh incomplete technical matters, also solved under very high impact load operating mode simultaneously, during like the generation vehicle collision; Rupturing in the load pin place of locking tooth plate, causes jeopardizing the technical matters that the personal safety accident takes place.Simultaneously because no matter the present invention is under the operating mode of stand under load not, still under the operating mode of stand under load, all have two cams to contact with two tooth plate locking faces from locking face, the thickness of locking tooth plate is attenuate further, has saved material, has further lowered cost.
Description of drawings
Fig. 1 is the structural representation of existing seat angle adjustor.
Fig. 2 is for having seat angle adjustor now at the stressed scheme drawing between locking tooth plate and the cam under the stand under load operating mode.
The three-dimensional exploded view that Fig. 3 sees from a direction for seat angle adjustor embodiment 1 of the present invention.
The three-dimensional exploded view that Fig. 4 sees from another direction for seat angle adjustor embodiment 1 of the present invention.
View when Fig. 5 is in locking for seat angle adjustor embodiment 1 of the present invention.
Fig. 6 is the back view of Fig. 5.
Fig. 7 is the view of seat angle adjustor embodiment 1 of the present invention when being in released state.
Fig. 8 is the back view of Fig. 7.
Fig. 9 is seat angle adjustor embodiment 1 of the present invention when being in lockup state, concerns scheme drawing in the position between cam and the locking tooth plate under the operating mode of stand under load not.
Figure 10 is the A-A cutaway view of Fig. 9.
When Figure 11 was in lockup state for seat angle adjustor embodiment 1 of the present invention, the position between cam under the operating mode of stand under load and locking tooth plate concerned scheme drawing.
The three-dimensional exploded view that Figure 12 sees from a direction for seat angle adjustor embodiment 2 of the present invention.
The three-dimensional exploded view that Figure 13 sees from another direction for seat angle adjustor embodiment 2 of the present invention.
View when Figure 14 is in locking for seat angle adjustor embodiment 2 of the present invention.
Figure 15 is the back view of Figure 14.
Figure 16 is the view of seat angle adjustor embodiment 2 of the present invention when being in released state.
Figure 17 is the back view of Figure 16.
Figure 18 is seat angle adjustor embodiment 2 of the present invention when being in lockup state, concerns scheme drawing in the position between cam and the locking tooth plate under the operating mode of stand under load not.
Figure 19 is the A-A cutaway view of Figure 18.
Figure 20 is Figure 18 part back view.
When Figure 21 was in lockup state for seat angle adjustor embodiment 2 of the present invention, the position between cam under the operating mode of stand under load and locking tooth plate concerned scheme drawing.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
Embodiment 1
Referring to Fig. 3 and Fig. 4, the three-dimensional exploded view seen from a direction for seat angle adjustor embodiment 1 of the present invention of Fig. 3 wherein.And the three-dimensional exploded view that Fig. 4 sees from another direction for seat angle adjustor embodiment 1 of the present invention.Fig. 3 and angle regulator for automobile chair shown in Figure 4 are assembled by parts such as outer tooth plate 100, adapter plate 200, sheath 300, two locking tooth plates 400, cam 500, two retracing springs 600.Outer tooth plate 100, adapter plate 200, sheath 300 coaxial settings, sheath 300 is joined together to form relatively independent part with these parts, to prevent the axial separation of adapter plate 200 and outer tooth plate 100.Cam 500, two locking tooth plates 400, two retracing springs 600 are disposed between outer tooth plate 200 and the adapter plate 100.
The retracing spring 600 of present embodiment is a wind spring, so spring erection column 250 is designed to semicircle projection shape, so that retracing spring 600 is mounted thereto.
Two locking tooth plates 400 are placed in a pair of first chute 230 with the second radial line symmetric mode, and such two locking tooth plates 400 can inside or outside translation in a pair of first chute 230.The outer rim that each locking tooth plate 400 contacts with internally toothed annulus 121 be provided with can with the internally toothed annulus 121 ingear locking teeth 410 on the outer tooth plate 100; And locking tooth plate 400 is provided with the release tentacle loose slot 430 of sinking towards the face 420 of outer tooth plate 100; Be provided with at the bottom land of release tentacle loose slot 430 and separate locked groove 440, separate locked groove 440 and have the path of motion that makes locking tooth plate 400 lockings and release.Respectively be provided with a load pin 450,460 in the setting of the both sides of each locking tooth plate 400 and cam 500 outer rim contact positions; Load pin 450,460 is outwards cast aside; Form similar " Eight characters " shape, respectively be provided with a tooth plate from locking face 451,461 in the bottom surface and the cam 500 outer rim contacts site of load pin 450,460.
The seat angle adjustor of present embodiment is assembled according to following method: at first two locking tooth plates 400 are respectively put in a pair of first chute 230 on the adapter plate 200; With a pair of retracing spring 600 put into respectively a pair of second chute 240 and respectively with the internal core sleeve of retracing spring 600 on spring erection column 250; Again cam 500 is put into the centre of four fan-shaped bumps 220; And the release tentacle 510 on the cam 500 is stretched in the release tentacle loose slot 430; Release projection 520 extend into to be separated in the locked groove 440, and the extreme end with retracing spring 600 is inserted in the spring engaging groove 550 on the cam 500 at last.Outer tooth plate 100 is combined on the adapter plate 100 through sheath 300 gets final product; The camshaft (not shown) is passed the hole 130 at outer tooth plate 100 centers, the hole 560 at cam 500 centers, the hole 260 at adapter plate 200 centers, and the cover upper handle can be accomplished whole seat angle adjustor assembling on camshaft.
The seat angle adjustor of present embodiment is operated as follows: 4 boss 280 on the adapter plate 200 are connected with the seat cushion connecting panel, and 6 boss 110 on the outer tooth plate 100 are connected with back of seat.
Referring to Fig. 5 and Fig. 6, the view when Fig. 5 is in locking for the present embodiment seat angle adjustor, Fig. 6 is the back view of Fig. 5.Under normal conditions; Cam 500 under the return spring pressure of retracing spring (not shown) to anticlockwise direction bias voltage (referring to Fig. 6); Simultaneously; The tooth plate that two pairs of cams on the cam 500 are pressed against 400 two load pin of cooresponding locking tooth plate 460,450 respectively from locking face 530,540 on locking face 461 and 451, tooth on outer tooth plate 100 internally toothed annuluss 121 and 410 engagements of the locking teeth on the locking tooth plate 400.At this moment, back of seat is locked in certain position.
Referring to Fig. 7 and Fig. 8, Fig. 7 is the view of present embodiment seat angle adjustor when being in released state.Fig. 8 is the back view of Fig. 7.When outer torsional interaction during in cam 500; Cam 500 overcomes the spring pressure of retracing spring 600; Do cw motion (referring to Fig. 8), the release projection 520 that drives simultaneously on the release tentacle 510 on the cam 500 moves in a circle along the locked groove 440 of separating on the locking tooth plate 400, makes locking tooth plate 400 do entad motion of translation along first chute 230; Two pairs of cams on cam 500 outer rims separate with 451 from locking face 461 from the tooth plate of 400 two load pin of locking face 530,540 and cooresponding locking tooth plate 460,450; Tooth on outer tooth plate 100 internally toothed annuluss 121 separates with the locking teeth 410 on the locking tooth plate 400, reaches released state, realizes the adjusting of back of seat angle; When back of seat is adjusted to the proper angle recession except that adding moment of torsion; Cam 500 is done the conter clockwise motion under the spring pressure of retracing spring 600; Cam 500 drives locking tooth plate 400 and does outside motion of translation along first chute 230; Two pairs of cams on the cam 500 contact with 451 from locking face 461 with the tooth plate of 400 two load pin of cooresponding locking tooth plate 460,450 from locking face 530,540 again; Tooth and the locking teeth 410 on the locking tooth plate 400 on outer tooth plate 100 internally toothed annuluss 121 mesh once more, and seat angle adjustor comes back to lockup state.When 410 correspondences of the locking teeth on the locking tooth plate 400 outside during the planing surface 122 of tooth plate 100, locking teeth 410 slides on the planing surface 122 of tooth plate 100 outside, realizes the folding of back of seat.
Referring to Fig. 9 and Figure 10, Fig. 9 is seat angle adjustor embodiment 1 of the present invention when being in lockup state, concerns scheme drawing in the position between cam and the locking tooth plate under the operating mode of stand under load not.Figure 10 is the A-A cutaway view of Figure 11.Under the operating mode of stand under load, two cams of cam 500 outer rims do not contact with 451 from locking face 461 from the tooth plate of 400 two load pin of locking face 530,540 and locking tooth plate 460,450, realize interlocking.Because two cams of cam 500 outer rims contact with 451 from locking face 461 from the tooth plate of 400 two load pin of locking face 530,540 and locking tooth plate 460,450, thus the locking tooth 410 on the locking tooth plate 400 can be fully and the tooth on outer tooth plate 100 internally toothed annuluss 121 mesh fully.
Referring to Figure 11, when Figure 11 was in lockup state for the seat angle adjustor of present embodiment, the position between cam under the operating mode of stand under load and locking tooth plate concerned scheme drawing.Can find out by Figure 11; Under the operating mode of stand under load; Locking tooth plate 400 can deflect with its line of centers; Have only a cam of cam 500 outer rims to contact from locking face 461, and another cam of cam 500 outer rims does not contact from locking face 540 with the tooth plate of locking tooth plate 400 another load pin 450 from locking face 451, the problem that load is all brought through 460 transmission of a load pin in the prior art occurred from the tooth plate of 400 1 load pin 460 of locking face 530 and locking tooth plate.The seat angle adjustor of embodiment 1 also needs to improve for this reason.
Embodiment 2
Present embodiment is the improvement embodiment of embodiment 1.
Referring to Figure 12 and Figure 13, the three-dimensional exploded view that Figure 12 sees from a direction for seat angle adjustor embodiment 2 of the present invention.The three-dimensional exploded view that Figure 13 sees from another direction for seat angle adjustor embodiment 2 of the present invention.Can find out by Figure 12 and 13; The structure of present embodiment and embodiment 1 are basic identical; Difference is only to be: also be provided with a tooth plate from locking face 470 at each locking tooth plate 400 position of center line; Tooth plate from locking face 470 at tooth plate between locking face 461 and 451, tooth plate is lower than tooth plate from locking face 461 and 451 from locking face 470.Also be uniformly distributed with in cam 500 outer rims accordingly and be provided with pair of cams from locking face 570; Cam from locking face 570 at cam from locking face 530, between 540, cam from locking face 570 apart from the distance in cam 500 centers of circle greater than cam from locking face 530,540 distances apart from cam 400 centers of circle.
Referring to Figure 14 and Figure 15, the view when Figure 14 is in locking for seat angle adjustor embodiment 2 of the present invention.Figure 15 is the back view of Figure 14.Under normal conditions; Cam 500 under the return spring pressure of retracing spring 600 to anticlockwise direction bias voltage (referring to Figure 15); Simultaneously; The tooth plate that cam on the cam 500 is pressed against 400 two load pin of cooresponding locking tooth plate 460,450 respectively simultaneously from locking face 530,540 is on locking face 461 and 451; Perhaps the tooth plate that is pressed against 400 1 load pin 460 of cooresponding locking tooth plate or 450 from locking face 530 or 540 and 570 respectively simultaneously of the cam on the cam 500 from locking face 461 or 451 with tooth plate on locking face 470, the tooth on outer tooth plate 100 internally toothed annuluss 121 meshes with the locking teeth on the locking tooth plate 400 410.At this moment, back of seat is locked in certain position.
Referring to Figure 16 and Figure 17, Figure 16 is the view of seat angle adjustor embodiment 2 of the present invention when being in released state.Figure 17 is the back view of Figure 16.When outer torsional interaction during in cam 500; Cam 500 overcomes the spring pressure of retracing spring 600; Do cw motion (referring to Figure 16); The release projection 520 that drives simultaneously on the release tentacle 510 on the cam 500 moves in a circle along the locked groove 440 of separating on the locking tooth plate 400; Make locking tooth plate 400 do entad motion of translation along first chute 230, three pairs of cams on cam 500 outer rims from the tooth plate of 400 two load pin of locking face 530,540,570 and cooresponding locking tooth plate 460,450 from locking face 461 with 451 and line of centers on tooth plate separate from locking face 470, the tooth on outer tooth plate 100 internally toothed annuluss 121 separates with the locking teeth 410 on the locking tooth plate 400; Reach released state, realize the adjusting of back of seat angle; When back of seat is adjusted to the proper angle recession except that adding moment of torsion; Cam 500 is done the conter clockwise motion under the spring pressure of retracing spring 600; Cam 500 drives locking tooth plate 400 and does outside motion of translation along first chute 230; Cam on the cam 500 contacts with 451 from locking face 461 with tooth plate at 400 two load pin of cooresponding locking tooth plate 460,450 from locking face 530,540; Perhaps the cam on the cam 500 contacts from locking face 470 with tooth plate from locking face 461 or 451 with the tooth plate of 400 1 load pin 460 of cooresponding locking tooth plate or 450 with 570 from locking face 530 or 540; Tooth and the locking teeth 410 on the locking tooth plate 400 on outer tooth plate 100 internally toothed annuluss 121 mesh once more, and seat angle adjustor comes back to lockup state.When 410 correspondences of the locking teeth on the locking tooth plate 400 outside during the planing surface 122 of tooth plate 100, locking teeth 410 slides on the planing surface 122 of tooth plate 100 outside, realizes the folding of back of seat.
Referring to Figure 18, Figure 19 and Figure 20, Figure 18 is seat angle adjustor embodiment 2 of the present invention when being in lockup state, concerns scheme drawing in the position between cam and the locking tooth plate under the operating mode of stand under load not.Figure 19 is the A-A cutaway view of Figure 18.Figure 20 is Figure 18 part back view.Under the operating mode of stand under load not, two cams of cam 500 outer rims contact with 451 from locking face 461 from the tooth plate of 400 two load pin of locking face 530,540 and locking tooth plate 460,450, realize interlocking.And cam leaves gap 700 from locking face 570 and tooth plate between locking face 470, and gap 700 is 0.01mm-1mm.Because two cams of cam 500 outer rims contact with 451 from locking face 461 from the tooth plate of 400 two load pin of locking face 530,540 and locking tooth plate 460,450, thus the locking tooth 410 on the locking tooth plate 400 can be fully and the tooth on outer tooth plate 100 internally toothed annuluss 121 mesh fully.
Referring to Figure 21, when Figure 21 was in lockup state for seat angle adjustor embodiment 2 of the present invention, the position between cam under the operating mode of stand under load and locking tooth plate concerned scheme drawing.Can be found out that by Figure 21 under the operating mode of stand under load, locking tooth plate 400 can deflect with its line of centers, a cam of cam 500 outer rims contacts from locking face 461 from the tooth plate of 400 1 load pin 460 of locking face 530 and locking tooth plate.Because the line of centers of locking tooth plate 400 is provided with tooth plate locking face 470; And also be provided with cam-locked face 570 in cam 500 outer rims; Therefore, the cam-locked face 570 of cam 500 outer rims also can contact with the locking face 470 on locking tooth plate 400 line of centerss, therefore still has two cams to contact with two tooth plate locking faces from locking face; Thereby the locking tooth 410 that has guaranteed locking tooth plate 400 can mesh with tooth on the outer tooth plate internally toothed annulus entirely, has improved lockup capacity.
Can find out that by Figure 18 to Figure 21 no matter the seat angle adjustor of embodiment 2 is under the operating mode of stand under load not, still under the operating mode of stand under load; All there are two cams to contact with two tooth plate locking faces from locking face; Solved the easy load pin that occurs of prior art and occurred breakage easily, formed etchback, caused the tooth on locking tooth plate and the outer tooth plate internally toothed annulus to mesh incomplete technical matters from the position that locking face is in contact with one another; Also solved under very high impact load operating mode simultaneously; As when vehicle collision takes place, rupture in the load pin place of locking tooth plate, causes jeopardizing the technical matters that the personal safety accident takes place.And the further attenuate of the thickness of locking tooth plate, saved material, further lowered cost.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (7)
1. angle regulator for automobile chair comprises:
One is installed in the outer tooth plate of seat back side, and said outer tooth plate has an internally toothed annulus,
One is installed in the adapter plate of seat cushion side;
One connects the sheath of described outer tooth plate and adapter plate;
Be disposed at cam, locking tooth plate, retracing spring between described outer tooth plate and the adapter plate, described locking tooth plate be provided with described internally toothed annulus on tooth ingear locking teeth; Said retracing spring is connected between said cam and the adapter plate, it is characterized in that,
Said cam directly connects with the locking tooth plate, drives locking teeth and engagement of the tooth on the described internally toothed annulus and drop out of gear on the locking tooth plate;
Said cam directly connects with the locking tooth plate: described cam is provided with the release tentacle that radially extends along cam; End at said release tentacle is provided with the release projection; The axis of said release projection and the parallel axes of said cam; Said locking tooth plate face of tooth plate outside said is provided with the release tentacle loose slot of sinking; Be provided with at the bottom land of said release tentacle loose slot and separate locked groove, said release tentacle stretches into described release tentacle loose slot and can in described release tentacle loose slot, do circumferential movement, and said release projection extend into to be separated in the locked groove and can do circumferential movement in the locked groove described separating.
2. angle regulator for automobile chair as claimed in claim 1 is characterized in that, said release tentacle becomes stepped arrangement with said cam.
3. angle regulator for automobile chair as claimed in claim 1 is characterized in that, has the boss that is connected with the back of seat connecting panel on the described outer tooth plate.
4. angle regulator for automobile chair as claimed in claim 1 is characterized in that, has the boss that is linked with the seat cushion connecting panel on the described adapter plate.
5. like the described angle regulator for automobile chair of each claim of claim 1 to 4; It is characterized in that; Outer rim at said cam is provided with at least two cams from locking face; Also be provided with at least two at least two tooth plates that contact from locking face of outer rim with cam from locking face, when the overhead cam of cam is realized interlocking from locking face with the tooth plate on the locking tooth plate when locking face contacts in the described locking tooth plate and the contact portion of said cam outer rim.
6. angle regulator for automobile chair as claimed in claim 5; It is characterized in that; The outer rim of said cam has two cams from locking face; Along cam outer rim circumferential arrangement, described locking tooth plate also has two tooth plates from locking face, two both sides that are divided into the contact portion of described locking tooth plate and said cam outer rim from locking face on the locking tooth plate; Two of said cam outer rim equate with the angle of two tooth plates between locking face on the locking tooth plate from the angle between the locking face, when two cams of said cam outer rim are realized interlocking from locking face with two tooth plates on the said locking tooth plate when locking face contacts.
7. angle regulator for automobile chair as claimed in claim 5; It is characterized in that; The outer rim of said cam has three cams from locking face, along cam outer rim circumferential arrangement, is divided into first, second, third cam from locking face; Second cam from locking face at the first, the 3rd cam between locking face, the second cam self-locking identity distance from the distance in the cam center of circle greater than the distance of the first, the 3rd cam self-locking identity distance from the cam center of circle; Described locking tooth plate also has three tooth plates from locking face; Be divided into first, second, third tooth plate from locking face; Wherein the first, the 3rd tooth plate is divided into the both sides of the contact portion of described locking tooth plate and said cam outer rim from locking face; Second tooth plate is positioned at from locking face on the line of centers of locking tooth plate, and second tooth plate is lower than the first, the 3rd tooth plate from locking face from locking face, under the operating mode of stand under load not; First, three tooth plate of the first, the 3rd cam of cam outer rim on locking face and said locking tooth plate contacts from locking face and realizes interlocking, and the 3rd cam is 0.01mm-1mm from locking face and the gap of second tooth plate between locking face; Under the operating mode of stand under load, the 3rd cam contacts from locking face with the 3rd tooth plate from locking face, and first cam contacts or second cam contacts from locking face with second tooth plate from locking face from locking face from locking face and first tooth plate, realizes interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101311014A CN101791954B (en) | 2010-03-24 | 2010-03-24 | Automobile seat backrest adjuster |
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|---|---|---|---|
| CN2010101311014A CN101791954B (en) | 2010-03-24 | 2010-03-24 | Automobile seat backrest adjuster |
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| CN101791954A CN101791954A (en) | 2010-08-04 |
| CN101791954B true CN101791954B (en) | 2012-01-04 |
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| CN2010101311014A Active CN101791954B (en) | 2010-03-24 | 2010-03-24 | Automobile seat backrest adjuster |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069736B (en) * | 2010-12-08 | 2013-04-24 | 江苏力乐汽车部件股份有限公司 | Automobile seat angle adjuster of internal engagement type platformized core element |
| CN102069737B (en) * | 2010-12-08 | 2013-06-26 | 江苏力乐汽车部件股份有限公司 | Car seat angle adjuster of inner gearing disc platform core element |
| CN102126450B (en) * | 2011-01-04 | 2012-08-22 | 宁波双林汽车部件股份有限公司 | Manual car seat adjuster capable of automatically balancing stress on lock cylinder |
| CN102114793B (en) * | 2011-02-22 | 2012-10-10 | 苏州忠明祥和精工有限公司 | Universal angle controller for automobile seat |
| CN106510264B (en) * | 2016-12-22 | 2023-08-11 | 湖北中航精机科技有限公司 | Seat, seat angle adjuster and locking cam thereof |
| CN109501643A (en) * | 2019-01-22 | 2019-03-22 | 江铃汽车股份有限公司 | A kind of novel seat backrest regulating device |
| CN110296143A (en) * | 2019-07-13 | 2019-10-01 | 明阳科技（苏州）股份有限公司 | A kind of manual hinge |
| CN112550092A (en) * | 2020-12-24 | 2021-03-26 | 襄阳寒桦精机有限公司 | Angle adjuster for automobile seat |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100513576B1 (en) * | 2003-02-18 | 2005-09-13 | 주식회사 오스템 | Round type recliner for vehicles |
| KR20070102829A (en) * | 2006-04-17 | 2007-10-22 | 주식회사 오스템 | Round recliner for vehicle |
| CN101243922B (en) * | 2007-02-16 | 2011-05-11 | 湖北中航精机科技股份有限公司 | Device for regulating chair angle |
| JP5393990B2 (en) * | 2008-04-01 | 2014-01-22 | デルタ工業株式会社 | Seat reclining device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee after: Yanfeng Daotuo Ann seat Co. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai 201300 Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |
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| CP03 | Change of name, title or address |