CN108621878A - Continuous recliner with self-locking device and its self-locking method - Google Patents
Continuous recliner with self-locking device and its self-locking method Download PDFInfo
- Publication number
- CN108621878A CN108621878A CN201810628002.3A CN201810628002A CN108621878A CN 108621878 A CN108621878 A CN 108621878A CN 201810628002 A CN201810628002 A CN 201810628002A CN 108621878 A CN108621878 A CN 108621878A
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- wedge block
- friction spring
- self
- tooth plate
- outer tooth
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003381 stabilizer Substances 0.000 claims abstract description 26
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention relates to a kind of continuous recliner and its self-locking method with self-locking device.The friction spring that the present invention is arranged is mounted in the space that outer tooth plate, axle sleeve, wedge block one, wedge block two, actuator are defined；Friction spring is assembled by precompressed, is held tightly on outer tooth plate cylindrical inner wall；Friction spring stabilizer blade one/bis- is located in the space that one/biend of wedge block is defined with actuator end face one/bis-.When persistently to backrest apply torque when, generated radial component can be such that clearance eliminating mechanism integrally rotates clockwise, and wedge block end face is contacted with friction spring stabilizer blade, and drive its rotation；In the process, there are change trend, friction springs to hold tightly on outer tooth plate cylindrical inner wall for the outer diameter of friction spring, and generated frictional resistance has blocked the rotation of wedge block or even entire clearance eliminating mechanism, to realize the self-locking inside recliner, the creep of backrest angle is avoided.
Description
Technical field
The present invention relates to a kind of continuous recliner and its self-locking method with self-locking device, which is primarily adapted for use in logical
Handwheel is crossed to adjust the adjustment for realizing the continuous angle of backrest in automotive seat, it belongs to a safety component in automotive seat.
Background technology
The continuous recliner of automotive seat is that one kind is mounted on automotive seat, realizes motor vehicle seat back angle continuously continuously
The disconnected component adjusted.
The continuous recliner of motor vehicle seat back released in the market mainly has motor driving to drive two ways with handwheel.
Motor-driven backrest ensures recliner connecting rod since recliner motor itself can provide larger blocked force
And the gap eliminator inside recliner core members will not rotate, therefore backrest will not be sent out when by fatigue load
The male character types in Chinese operas, usu. referring tov the bearded character degree creep.
The backrest of handwheel driving, handwheel are directly connected with recliner connecting rod, and human body is constantly right in vehicle travel process
Backrest is to after-applied certain fatigue load, and due to itself not having self-locking function inside recliner, external nothing effectively blocks,
Accumulate over a long period backrest angle can gradual creep rotate backward, change the original seating posture of driver and passenger to influence relax
Adaptive.For assistant driver seat in the case where infrequently sitting people, vehicle jolts backrest in its own gravity, seat back angle
Also can gradually creep backward cause car owner to complain until backrest falls down to rear extreme position.
In view of the above-mentioned problems, currently on the market prior art mainly have increase outside recliner a self-locking device reality
Existing backrest self-locking, also one is increase by a spring leaf inside recliner to realize that the hardness of clutch blocks.
Chinese Patent Application No. CN201710690970.2 discloses a kind of " the continuous recliner of automotive seat ", it includes inclined
Heart wheel, spring and two wedge blocks, the mechanism is using upper layer and lower layer, double-cam structure, should when driving one of wedge block
Friction is generated between wedge block and eccentric wheel, and eccentric wheel is made to rotate, it is sluggish to reduce driving, it improves and is integrally tied in adjustment process
The flexibility of structure simultaneously eliminates gap.The continuous recliner is suitable for using motor-driven automatic seat backrest, such as directly uses
Handwheel drive, still exist above-mentioned backrest angle can gradual creep the shortcomings that.
The also continuous recliner of some other automotive seat, wherein spring used is all to play tensioner to eliminate recliner gap
Effect, they cannot equally solve the problems, such as that seat back angle can gradually creep backward.
Invention content
The technical problem to be solved by the present invention is to overcome the above-mentioned deficiency in the presence of the prior art, and provide a kind of knot
Structure design more reasonably continuous recliner and its self-locking method with self-locking device, it can preferably eliminate gap and reduce and drive
Commutation adjusts sluggishness, and can simply and effectively solve the problems, such as backrest angle creep in automotive seat.
Technical solution is used by the present invention solves above-mentioned technical problem：The continuous recliner with self-locking device includes
Internal gear, outer tooth plate, axle sleeve, Bao Quan, actuator, friction spring and a clearance eliminating mechanism.
The clearance eliminating mechanism includes eccentric wheel, spring and two wedge blocks, it is mounted in the axle sleeve and uses
Upper layer and lower layer, double cam eliminate gap, and when driving one of wedge block, friction is generated between the wedge block and eccentric wheel,
Eccentric wheel is set to rotate.
Friction spring is it is characterized in that be equipped with two stabilizer blades, and using helical spring structure, the number of turns is more than 1 but is less than 4.It pacifies
In the space that the outer tooth plate, axle sleeve, wedge block one, wedge block two, actuator are defined, the friction spring is logical
Precompressed assembly is crossed, is held tightly on outer tooth plate cylindrical inner wall；
The friction spring stabilizer blade one is located in the space that wedge block end face is defined with actuator end face one, friction spring
Stabilizer blade two is located in the space that wedge block biend is defined with actuator end face two.
Further, in the axial direction, actuator avoids friction bullet to recliner of the present invention by axial compression
Spring axial float, friction spring are contacted with end face of shaft bush with actuator end face three respectively.
Further, axle sleeve cooperation of the present invention leans on increment tubular on outer tooth plate cylindrical inner wall and positioned at outer tooth plate
At inner wall, and the friction spring is then held tightly at the non-increment cylindrical inner wall of outer tooth plate.
Further, interior more than outer tooth plate cylindrical inner wall under the outer diameter free state of friction spring of the present invention
Diameter.
The self-locking method of continuous recliner of the present invention, it is characterised in that：Backrest is applied when persistently clockwise
Torque when, generated radial component can be such that clearance eliminating mechanism integrally rotates clockwise, wedge block biend with rub
It wipes spring stabilizer two to contact, and its edge is driven to rotate clockwise；In the process, the outer diameter of friction spring is there are change trend,
Friction spring is held tightly on outer tooth plate cylindrical inner wall, and generated frictional resistance has blocked wedge block one, wedge block two or even whole
The rotation of a clearance eliminating mechanism avoids the creep of seat back angle to realize the self-locking inside recliner；Together
Reason, when applying torque counterclockwise to backrest, recliner can equally realize self-locking.
Compared with prior art, the present invention haing the following advantages and effect：
1, backrest angle creep is solved the problems, such as by increasing by a friction spring inside recliner, which is mounted on
In external tooth intralamellar part tubular construction, has the characteristics that positive adjusting force compared with small, reverse blocking power is big.It is carried when applying fatigue to backrest
When lotus, the frictional force that friction spring is provided balances radial component caused by continuous recliner, and core members gap is avoided to disappear
Except mechanism rotates, angle rotation will not occur to ensure backrest backward.
2, using the agent structure of former CN201710690970.2 patent applications, between being eliminated using upper layer and lower layer, double cam
Gap structure, thus improves the bearing strength of recliner and compensation is eliminated in the gap in the case of parts depreciation；Cam is that activity is convex
Wheel, is made of two wedge blocks, plays the role of the gap elimination under normal operation；Since two wedge blocks are covered shape by eccentric wheel
At enclosure space, recliner can be guaranteed by the whole posture of two wedge blocks under load condition；Simultaneously as two wedge blocks
Special cambered surface contacts between eccentric wheel, and when driving wedge block, friction is generated between wedge block and eccentric wheel, can be provided centainly
Power drive eccentric wheel rotates, sluggish to effectively reduce driving, improves integrally-built flexibility and gap in adjustment process
Eradicating efficacy.
In short, structure of the invention design is more reasonable, simply and effectively solves the problems, such as motor vehicle seat back angle creep, make
Human body driving is more comfortable, using also more safe and reliable.
Description of the drawings
Fig. 1 is that the overall structure of the present invention illustrates expanded view.
Fig. 2 is the structural schematic diagram of intermediate gap eliminating machine of the present invention.
Fig. 3 is the structural representation sectional view after Fig. 1 combinations.
Fig. 4 is the schematic cross-sectional view of Fig. 3.
Fig. 5 is the structural schematic diagram of actuator in the present invention.
Fig. 6 is the motion principle of friction spring and the position simplified schematic diagram with wedge block in the present invention.
In figure：1 internal gear, 2 outer tooth plates, 3 axle sleeves, 4 wedge blocks one, 5 wedge blocks two, 6 eccentric wheels, 7 springs, 8 gaskets, 9
Packet circle, 10 friction springs, 11 actuators, 12 washers, 13 Spring Cards, the outer tooth plate cylindrical inner walls of 2a, the outer tooth plates of 2b lean on increment tubular
Inner wall, the non-increment cylindrical inner wall of the outer tooth plates of 2c, 3a end face of shaft bush, 4a wedge block end faces, 5a wedge block biends, 10a frictions
Spring stabilizer one, 10b friction springs stabilizer blade two, 11a actuators end face one, 11b actuators end face two, 11c actuators end face three.
Specific implementation mode
Referring to Fig. 1-Fig. 6, the present embodiment includes mainly internal gear 1, outer tooth plate 2, axle sleeve 3, wedge block 1, wedge block two
5, eccentric wheel 6, spring 7, gasket 8, packet circle 9, friction spring 10, actuator 11, washer 12 and Spring Card 13；Wherein：Wedge block
One 4, wedge block 25, eccentric wheel 6, spring 7 form clearance eliminating mechanism I, and wedge block 1 and the abutting end of wedge block 25 are more than
Their other end.In use, internal gear 1 is connected firmly with backrest, outer tooth plate 2 is connected firmly with Chain cushion, and is driven by handwheel
Turn arm carries out the adjusting of motor vehicle seat back angle.
In the present embodiment, outer tooth plate 2 uses cylindrical structure, the i.e. outer ring of outer tooth plate 2 to be directly designed to tooth form, inner circle drawing
At cylindrical structure；Packet circle 9 is connected firmly with internal gear 1, and clearance eliminating mechanism I is installed in above-mentioned axle sleeve 3, which uses upper and lower two
Layer, double cam eliminate gap, when driving one of wedge block, friction are generated between the wedge block and eccentric wheel 6, makes bias
6 rotation of wheel.This structure is identical as CN201710690970.2 patent applications or equivalent, is not repeated to describe herein.
In the present embodiment, friction spring 10 is mounted on outer tooth plate 2, axle sleeve 3, wedge block 1, wedge block 25, actuator
In 11 spaces defined.It is specific as follows：
Recliner in the radial direction, friction spring 10 is assembled by precompressed, hold tightly on outer tooth plate cylindrical inner wall 2a.
On recliner axial direction, actuator 11 avoids 10 axial float of friction spring by axial compression.Rub bullet
Spring 10 is contacted with end face of shaft bush 3a, and friction spring 10 is contacted with actuator end face 11c.
In the present embodiment, equidirectional two stabilizer blade is connected on friction spring 10, one 10a of friction spring stabilizer blade is located at wedge shape
In the space that block end face 4a and one 11a of actuator end face is defined；Two 10b of friction spring stabilizer blade is located at wedge block biend 5a
In the space defined with two 11b of actuator end face.
Friction spring 10 uses helical spring structure, the number of turns to be more than 1 and be less than 4；The outer diameter of friction spring 10 is more than outer tooth plate cylinder
The internal diameter of shape inner wall 2a.
The motion principle of the present invention is as follows：
When rotating clockwise motor vehicle seat back handwheel adjusting angle of backrest, actuator 11 rotates clockwise, actuator end face one
11a pushes the one 10a rotations of friction spring stabilizer blade, and one 10a of friction spring stabilizer blade contacts promotion with wedge block 1 therewith, and it is revolved
Turn, to realize the adjusting of recliner angle.
In pushing one 10a rotation processes of friction spring stabilizer blade, the outer diameter of friction spring 10 becomes smaller, and holds tightly in outer tooth plate
The power of wall 2a also becomes smaller simultaneously, therefore rotation process power drive torque is smaller.
Similarly, it is similarly set up when adjusting handle counterclockwise.
The self-locking method and principle of the present invention is as follows：
When persistently applying clockwise torque to motor vehicle seat back, generated radial component can make clearance eliminating mechanism whole
Body rotates clockwise, and wedge block biend 5a is contacted with two 10b of friction spring stabilizer blade, and drives friction spring stabilizer blade two
The edges 10b rotate clockwise.
During this, the outer diameter of friction spring 10 there are change trend, securely hold tightly in outer tooth plate tubular by friction spring 10
On inner wall 2a, generated frictional resistance has blocked turning for wedge block 1, wedge block 25 or even entire clearance eliminating mechanism I
It is dynamic, to realize the self-locking inside recliner, avoid the creep of motor vehicle seat back angle.
Similarly, when applying torque counterclockwise to motor vehicle seat back, recliner can equally realize self-locking.
The installation method of friction spring 10 is as follows：
Axle sleeve（3）It is a tight fit on outer tooth plate cylindrical inner wall 2a and positioned at outer tooth plate at increment cylindrical inner wall 2b, and the bullet that rubs
Spring 10 is then held tightly at the non-increment cylindrical inner wall 2c of outer tooth plate.Specifically, since the outer diameter of friction spring 10 is more than outer tooth plate cylinder
The internal diameter of shape inner wall 2a, therefore must first tighten friction spring 10, it is then installed in outer tooth plate cylindrical inner wall 2a, rubs at this time again
Spring 10 is contacted with end face of shaft bush 3a, and is contacted with three 11c of actuator end face.
After installation/in use, referring to Fig. 6, the both ends of spring 7 be located at the big end of wedge block 1 and wedge block 25 i.e. they
Abutting end, play tensioner, but can be loosened after continuing on；So designing a friction spring 10 to prevent backrest angle
Creep, i.e.,：One 10a of friction spring stabilizer blade and two 10b of friction spring stabilizer blade is located at the small of wedge block 1 and wedge block 25
At end i.e. wedge block end face 4a and at wedge block biend 5a, and there is a gap with the small end of wedge block 1 and wedge block 25
h.When persistently applying torque to motor vehicle seat back, one 10a of friction spring stabilizer blade can be contacted with wedge block end face 4a, or
Two 10b of friction spring stabilizer blade can be contacted with wedge block biend 5a, thus pass through one 10a of friction spring stabilizer blade, friction spring
Two 10b of stabilizer blade has blocked the rotation of wedge block 1, wedge block 25, effectively prevents the creep of motor vehicle seat back angle.
By foregoing description, those skilled in the art can implement, without detailed description connection with it is existing
Technology is identical or equivalent.
Described in this specification above content is only to structure of the invention example explanation；Moreover, this hair
The title that bright parts are taken can also be different, what all structure, feature and principles according to described in inventional idea of the present invention were done etc.
Effect or simple change, are included in the scope of protection of the invention patent.
Claims (5)
1. a kind of continuous recliner with self-locking device, including internal gear, outer tooth plate, axle sleeve, Bao Quan, actuator and a gap disappear
Except mechanism；The clearance eliminating mechanism includes eccentric wheel, spring and two wedge blocks, it is mounted in the axle sleeve and using upper
Two layers lower, double cam eliminates gap, when driving one of wedge block, friction is generated between the wedge block and eccentric wheel, is made
Eccentric wheel rotates, it is characterised in that：
It is provided with a friction spring（10）, it uses helical spring structure, the number of turns to be more than 1 and be less than 4, and the friction spring（10）
Mounted on the outer tooth plate（2）, axle sleeve（3）, wedge block one（4）, wedge block two（5）, actuator（11）The space defined
Interior, described friction spring（10）It is assembled, is held tightly in outer tooth plate cylindrical inner wall by precompressed（2a）On；
The friction spring（10）On be connected with equidirectional two stabilizer blade, friction spring stabilizer blade one（10a）Positioned at wedge block one end
Face（4a）With actuator end face one（11a）In the space defined, friction spring stabilizer blade two（10b）Positioned at wedge block biend
（5a）With actuator end face two（11b）In the space defined.
2. the continuous recliner according to claim 1 with self-locking device, it is characterised in that：The recliner is in axial direction
On direction, actuator（11）By axial compression, friction spring is avoided（10）Axial float, friction spring（10）Respectively with axle sleeve
End face（3a）With actuator end face three（11c）Contact.
3. the continuous recliner according to claim 1 or 2 with self-locking device, it is characterised in that：The axle sleeve（3）Match
It closes in outer tooth plate cylindrical inner wall（2a）Above and positioned at outer tooth plate lean on increment cylindrical inner wall（2b）Place, and the friction spring（10）
Then hold tightly in the non-increment cylindrical inner wall of outer tooth plate（2c）Place.
4. the continuous recliner according to claim 1 or 2 with self-locking device, it is characterised in that：The friction spring
（10）Outer diameter be more than outer tooth plate cylindrical inner wall（2a）Internal diameter.
5. a kind of self-locking method of continuous recliner as described in claim 1-4 any one, it is characterised in that：When persistently right
When backrest applies clockwise torque, generated radial component can make clearance eliminating mechanism（I) whole to occur clockwise
Rotation, wedge block biend（5a）With friction spring stabilizer blade two（10b）Contact, and its edge is driven to rotate clockwise；In this process
In, friction spring（10）Outer diameter there are change trend, friction springs（10）It holds tightly in outer tooth plate cylindrical inner wall（2a）On, it is produced
Raw frictional resistance has blocked wedge block one（4）, wedge block two（5）Or even entire clearance eliminating mechanism（I) rotation, to real
Show the self-locking inside recliner, avoids the creep of seat back angle；Similarly, apply torque counterclockwise to backrest
When, recliner can equally realize self-locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810628002.3A CN108621878A (en) | 2018-06-19 | 2018-06-19 | Continuous recliner with self-locking device and its self-locking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810628002.3A CN108621878A (en) | 2018-06-19 | 2018-06-19 | Continuous recliner with self-locking device and its self-locking method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108621878A true CN108621878A (en) | 2018-10-09 |
Family
ID=63691830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810628002.3A Pending CN108621878A (en) | 2018-06-19 | 2018-06-19 | Continuous recliner with self-locking device and its self-locking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108621878A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060989A (en) * | 2020-09-16 | 2020-12-11 | 飞适动力汽车座椅零件（上海）有限公司 | High-strength manual angle adjuster |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080136242A1 (en) * | 2005-06-22 | 2008-06-12 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
| CN101797900A (en) * | 2010-03-20 | 2010-08-11 | 宁波双林汽车部件股份有限公司 | Built-in inversion-stopping self-locking device of angle adjuster |
| KR20120102849A (en) * | 2011-03-09 | 2012-09-19 | 주식회사 오스템 | Dial recliner |
| CN107364370A (en) * | 2017-08-14 | 2017-11-21 | 浙江龙生汽车部件科技有限公司 | A kind of continuous recliner of automotive seat |
| CN208439118U (en) * | 2018-06-19 | 2019-01-29 | 浙江龙生汽车部件科技有限公司 | The continuous angle adjustor of automotive seat with self-locking device |
-
2018
- 2018-06-19 CN CN201810628002.3A patent/CN108621878A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080136242A1 (en) * | 2005-06-22 | 2008-06-12 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
| CN101797900A (en) * | 2010-03-20 | 2010-08-11 | 宁波双林汽车部件股份有限公司 | Built-in inversion-stopping self-locking device of angle adjuster |
| KR20120102849A (en) * | 2011-03-09 | 2012-09-19 | 주식회사 오스템 | Dial recliner |
| CN107364370A (en) * | 2017-08-14 | 2017-11-21 | 浙江龙生汽车部件科技有限公司 | A kind of continuous recliner of automotive seat |
| CN208439118U (en) * | 2018-06-19 | 2019-01-29 | 浙江龙生汽车部件科技有限公司 | The continuous angle adjustor of automotive seat with self-locking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060989A (en) * | 2020-09-16 | 2020-12-11 | 飞适动力汽车座椅零件（上海）有限公司 | High-strength manual angle adjuster |
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