CN102658785A - Seat back angle adjusting device - Google Patents
Seat back angle adjusting device Download PDFInfo
- Publication number
- CN102658785A CN102658785A CN2012101404573A CN201210140457A CN102658785A CN 102658785 A CN102658785 A CN 102658785A CN 2012101404573 A CN2012101404573 A CN 2012101404573A CN 201210140457 A CN201210140457 A CN 201210140457A CN 102658785 A CN102658785 A CN 102658785A
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- lock
- locking
- lock plate
- angle regulator
- seat angle
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a seat back angle adjusting device which is convenient to process and mount. The seat back angle adjusting device comprises a rotary shaft; an angle adjusting disc and a locking disc are sleeved on the rotary shaft in a vacating way; teeth meshed with one another are arranged on the opposite end surfaces of the angle adjusting disc and the locking disc respectively; and the seat back angle adjusting device also comprises an operation mechanism enabling the angle adjusting disc and the locking disc to be separated and meshed. When the device is in locking, the teeth on the end surface of the angle adjusting disc and the teeth on the end surface of the locking disc are meshed to realize accurate locking; the stability of a locked seat is guaranteed, and the problem of synchronous fit is avoided; and thus, the requirements on processing and mounting precision of parts are greatly reduced, and the parts are convenient to process and mount; the tooth numbers on the angle adjusting disc and the locking disc can be set at will; and if the angle adjusting disc has the same tooth number as that of the locking disc, full-teeth meshing can be realized, and torsional strength of the device can be greatly improved. The device disclosed by the invention is suitable for being popularized and used in the fields of seat accessories.
Description
Technical field
The present invention relates to the seat part field, especially a kind of back of seat angle regulator.
Background technology
Seat in use in order to adapt to the demand of different people, need suitably be adjusted the backrest of seat and the angle between the seat support usually, and especially automotive seat generally speaking, adopt the back of seat angle regulator to realize above-mentioned purpose.
At application number is 201110045366.7; Publication number is to disclose a kind of back of seat angle regulator in the patent document of 102144857A; Concrete; This back of seat angle regulator; Comprise ratchet, locking cam, slide block and coulisse, said coulisse has the chute that supplies said slide block to slide, and the outer end of said slide block has the slide block ratchet; The inner ring of said ratchet has the ratchet ratchet with said slide block ratchet engagement; Comprise that also driving said slide block slides so that the release cam that said slide block ratchet and said ratchet ratchet break away from along said chute, the inner of said slide block have at least along circumferential distribution and towards said locking cam first from locking face and second from locking face, said locking cam have at least respectively with said first from locking face and said second from locking face form synchronous self-locking and release the 3rd from locking face and four selfs locking face.This back of seat angle regulator is when normal locking; Be through first from locking face and second from locking face together support slide block, form two point and end lock, when needs are regulated the back of seat angle; Slide block separates with ratchet when rotating the release cam; After angular adjustment is accomplished, make the reversing of release cam again, make slide block and ratchet engaged.
Though above-mentioned back of seat angle regulator can be realized the function of back of seat angular adjustment; But, in the use of reality, still have following problem: at first; The a plurality of slide blocks of this device employing radially ingear mode carry out locking; This just requires all slide blocks synchronously necessary when release or locking, and this processing to each parts, setting accuracy have very high requirement, in case the working accuracy of each parts and setting accuracy can not reach the regulation requirement; Just can't realize accurate locking, thereby influence the stability of seat when locking.
Secondly, this back of seat angle regulator is when normal locking, and the external force that seat receives can be delivered to through the ratchet of ratchet on the ratchet of slide block; Because the torsional strength of each ratchet is all confirmed, so the ratchet quantity of the ratchet quantity of slide block and ratchet is approaching more, the promptly intermeshing number of teeth is many more; Then the torsional strength of whole device is good more, and still, the disclosed back of seat angle regulator of above-mentioned patent document adopts is ingear locking structure radially; This structures shape the ratchet quantity of slide block can not be identical with the ratchet quantity of ratchet, and the ratchet quantity of slide block will be less than the ratchet quantity of ratchet far away, the promptly intermeshing number of teeth is less; Therefore; The torsional strength of this device is relatively low, when external force is excessive, is easy to the ratchet of slide block or the ratchet of ratchet are damaged; And then the angle that can't regulate back of seat again, back of seat can't bear external impacts more even.
In addition, the complex structure of this device, processing, installation difficulty is bigger, causes very big influence for the production in enormous quantities of product.
Summary of the invention
Technical matters to be solved by this invention provides a kind of back of seat angle regulator of processing, installing be convenient to.
The technical solution adopted for the present invention to solve the technical problems is: this back of seat angle regulator; Comprise rotating shaft; Be set with angular adjustment dish, lock plate in the said rotating shaft; Be respectively arranged with intermeshing tooth on said angular adjustment dish and the lock plate opposing end faces, also comprise making that the angular adjustment dish separates with lock plate, the ingear steering unit.
Further be, said steering unit comprises separates the inhibiting device that lock collar and restriction lock plate rotate, and separates lock collar and is sleeved in the rotating shaft and with rotating shaft and captives joint; Said lock plate is provided with at least one through hole that extends along its thickness direction; Be connected with on the inwall of through hole to the circumferential extension of lock plate and simultaneously to separating the slide block that lock collar is extended, separate lock collar and be provided with the boss towards lock plate, the position of said boss is corresponding with the position of through hole; Boss is provided with the chute suitable with slide block; When separating the lock collar rotation, slide block slides along chute, and said boss is provided with the self-locking inclined-plane; When separating lock collar when resetting, the side edge of self-locking inclined-plane and through hole is touched and slide relative.
Further be to be provided with positive stop in the said chute.
Further be; Said inhibiting device comprises that sky is enclosed within the reaction plate in the rotating shaft; Said angular adjustment dish, lock plate, separate lock collar, reaction plate successively along the rotating shaft setting, the edge of reaction plate is provided with convexity, is provided with and protruding suitable breach in the edge of lock plate.
Further be that the quantity of said through hole is three.
Further be that said through hole is uniformly distributed with arrangement along the circumferential direction of lock plate.
Further be, also comprise being used to make and separate the retracing spring that lock collar resets that one end of retracing spring is connected to be separated on the lock collar, the other end is connected on the reaction plate.
Further be that said retracing spring is an O shape spring.
Further be, also comprise sheath, the cylindrical free-running fit of said sheath and angular adjustment dish, and sheath and reaction plate are fixed together.
The invention has the beneficial effects as follows:, when locking, only need the tooth of angular adjustment dish end face and the tooth engagement of lock plate end face can be realized accurate locking through on angular adjustment dish and lock plate opposing end faces, intermeshing tooth being set respectively; Guarantee the stability of seat when locking, do not have the problem of synchronous cooperation, this just makes processing, the setting accuracy of each parts require to reduce greatly; Be convenient to processing, install, and this device is simple in structure, amount of parts is less; Processing, installation difficulty is less, helps the production in enormous quantities of product, in addition; This back of seat angle regulator is when normal locking, and the external force that seat receives can pass to lock plate through the angular adjustment dish, because this device employing end face ingear locking structure carries out locking; The number of teeth on angular adjustment dish and the lock plate can be provided with arbitrarily; When the angular adjustment dish is identical with the number of teeth on the lock plate, can realize the full-depth tooth engagement, can improve the torsional strength of this device greatly.
Description of drawings
Fig. 1 is the exploded view of back of seat angle regulator of the present invention;
Fig. 2 is the exploded view at another visual angle of back of seat angle regulator of the present invention;
Description of symbols among the figure: rotating shaft 1, angular adjustment dish 2, lock plate 3, separate lock collar 4, reaction plate 5, tooth 6, through hole 7, slide block 8, boss 9, chute 10, self-locking inclined-plane 11, breach 12, protruding 13, retracing spring 14, sheath 15, positive stop 16.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1, shown in 2; This back of seat angle regulator; Comprise rotating shaft 1; Be set with angular adjustment dish 2, lock plate 3 in the said rotating shaft 1, be respectively arranged with intermeshing tooth 6 on said angular adjustment dish 2 and lock plate 3 opposing end faces, also comprise making that angular adjustment dish 2 separates with lock plate 3, the ingear steering unit.Through on angular adjustment dish 2 and lock plate 3 opposing end faces, intermeshing tooth 6 being set respectively, when locking, only need the tooth 6 of angular adjustment dish 2 end faces and tooth 6 engagements of lock plate 3 end faces can be realized accurate locking; Guarantee the stability of seat when locking, do not have the problem of synchronous cooperation, this just makes processing, the setting accuracy of each parts require to reduce greatly; Be convenient to processing, install, and this device is simple in structure, amount of parts is less; Processing, installation difficulty is less, helps the production in enormous quantities of product, in addition; This back of seat angle regulator is when normal locking, and the external force that seat receives can pass to lock plate 3 through angular adjustment dish 2, because this device employing end face ingear locking structure carries out locking; The number of teeth on angular adjustment dish 2 and the lock plate 3 can be provided with arbitrarily; When angular adjustment dish 2 is identical with the number of teeth on the lock plate 3, can realize the full-depth tooth engagement, can improve the torsional strength of this device greatly.
Said steering unit can adopt numerous embodiments, can adopt the mode of pull bar, and pull bar promptly is set on lock plate; Also can adopt the mode of screw mandrel, screw mandrel promptly is set on lock plate, through turning the purpose that screw mandrel realizes that lock plate moves along rotating shaft; As preferred mode be: said steering unit comprises the inhibiting device of separating lock collar 4 and 3 rotations of restriction lock plate; Separate lock collar 4 and be sleeved in the rotating shaft 1 and with rotating shaft 1 and captive joint, said lock plate 3 is provided with at least one along through hole 7 that its thickness direction extends, and is connected with on the inwall of through hole 7 to lock plate 3 circumferentially to extend and simultaneously to separating the slide block 8 that lock collar 4 is extended; Separate lock collar 4 and be provided with boss 9 towards lock plate 3; The position of said boss 9 is corresponding with the position of through hole 7, and boss 9 is provided with the chute 10 suitable with slide block 8, when separating lock collar 4 when rotating; Slide block 8 slides along chute 10; Said boss 9 is provided with self-locking inclined-plane 11, and when separating lock collar 4 when resetting, self-locking inclined-plane 11 touches and slide relative with the side edge of through hole 7.The locking lock process of separating of this device is following: when needs are regulated the back of seat angle, only need rotating shaft 1, and then drive and separate lock collar 4 and rotate, separate lock collar 4 in rotation process; Slide block 8 slides along chute 10, owing to can not rotating and separate lock collar 4, lock plate 3 is fixed in the rotating shaft 1, therefore, when slide block 8 slides along chute 10; Can make lock plate 3 gradually to separate lock collar 4 near, simultaneously, lock plate 3 can separate with angular adjustment dish 2 gradually, when lock plate 3 with after angular adjustment dish 2 separates; Can carry out angular adjustment by free rotational angle adjustment disk 2 this moment, after angular adjustment finishes, makes and separate lock collar 4 reversing and reset, in separating the process that lock collar 4 reversings reset; Self-locking inclined-plane 11 touches and slide relative with the side edge of through hole 7, because lock plate 3 can not rotate and separate lock collar 4 and be fixed in the rotating shaft 1, is separating lock collar 4 reversings when resetting; Self-locking inclined-plane 11 can push up lock plate 3 to angular adjustment dish 2 gradually, and lock plate 3 and angular adjustment dish 2 are intermeshed, thus the angle of locking back of seat; Separate lock collar 4 and can realize release and locking owing to only adopt one, do not have the problem of synchronous cooperation, therefore; This device can be realized accurate locking easily, guarantee the stability of seat when locking, and this device is simple in structure; Amount of parts is less, and processing, installation difficulty is less, helps the production in enormous quantities of product.
When release, angle that lock collar 4 rotates is excessive causes lock plate 3 and separate lock collar 4 lockings and can't separate in order to prevent to separate, and therefore, in chute 10, is provided with positive stop 16.
In the above-described embodiment, described inhibiting device can have numerous embodiments, for example; Can in rotating shaft 1, chute be set, slide rail be set, also can on lock plate 3, spacing hole be set at the inner end surface of lock plate 3; Insert position-limited lever in spacing hole, as preferred mode be: said inhibiting device comprises that sky is enclosed within reaction plate 5 in the rotating shaft 1, said angular adjustment dish 2, lock plate 3, separates lock collar 4, reaction plate 5 successively along the rotating shaft setting; Being provided with of the edge of reaction plate 5 is protruding 13, is provided with the breach 12 suitable with protruding 13 in the edge of lock plate 3, and this inhibiting device is simple in structure; Easy for installation; Can rotate by actv. restriction lock plate 3, transmit very big moment of torsion, torsional strength is better.
Further be, the quantity of said through hole 7 can be decided according to actual conditions, generally, can separate accurately and mesh with angular adjustment dish 2 in order to make lock plate 3, guarantees the stability of seat when locking, and the quantity of said through hole 7 is set to three.To separate lock collar 4 and lock plate 3 stressed evenly in order to make, and said through hole 7 is uniformly distributed with arrangement along the circumferential direction of lock plate 3.
In addition, after angular adjustment finishes, make and separate lock collar 4 reversing when resetting; Can adopt artificial mode rotating shaft 1 to realize, also can adopt following mode, promptly be provided with one and be used to make and separate the retracing spring 14 that lock collar 4 resets; One end of retracing spring 14 is connected to be separated on the lock collar 4; The other end is connected on the reaction plate 5, can realize automatically separating resetting of lock collar 4 through retracing spring 14, makes the angular adjustment of seat convenient.
Said retracing spring 14 can be the spring of existing different shape, and for the structure that makes the back of seat angle regulator is compact more, retracing spring 14 is preferably O shape spring.
Claims (9)
1. back of seat angle regulator; Comprise rotating shaft (1); Be set with angular adjustment dish (2), lock plate (3) in the said rotating shaft (1); It is characterized in that: be respectively arranged with intermeshing tooth (6) on said angular adjustment dish (2) and lock plate (3) opposing end faces, also comprise making that angular adjustment dish (2) separates with lock plate (3), the ingear steering unit.
2. back of seat angle regulator as claimed in claim 1; It is characterized in that: said steering unit comprises the inhibiting device of separating lock collar (4) and restriction lock plate (3) rotation; Separate lock collar (4) and be sleeved on that rotating shaft (1) is gone up and captive joint with rotating shaft (1), said lock plate (3) is provided with at least one along through hole (7) that its thickness direction extends, and is connected with on the inwall of through hole (7) to lock plate (3) circumferentially to extend and simultaneously to the slide block (8) of separating lock collar (4) extension; Separate lock collar (4) and be provided with boss (9) towards lock plate (3); The position of said boss (9) is corresponding with the position of through hole (7), and boss (9) is provided with and the suitable chute (10) of slide block (8), when separating lock collar (4) rotation; Slide block (8) slides along chute (10); Said boss (9) is provided with self-locking inclined-plane (11), and when separating lock collar (4) when resetting, touch and slide relative with the side edge of through hole (7) self-locking inclined-plane (11).
3. back of seat angle regulator as claimed in claim 2 is characterized in that: be provided with positive stop (16) in the said chute (10).
4. back of seat angle regulator as claimed in claim 3; It is characterized in that: said inhibiting device comprises that sky is enclosed within the reaction plate (5) in the rotating shaft (1); Said angular adjustment dish (2), lock plate (3), separate lock collar (4), reaction plate (5) and be provided with along rotating shaft (1) successively; The edge of reaction plate (5) is provided with convexity (13), is provided with and protruding (13) suitable breach (12) in the edge of lock plate (3).
5. back of seat angle regulator as claimed in claim 4 is characterized in that: the quantity of said through hole (7) is three.
6. back of seat angle regulator as claimed in claim 5 is characterized in that: said through hole (7) is uniformly distributed with arrangement along the circumferential direction of lock plate (3).
7. according to the described back of seat angle regulator of any claim in the claim 1 to 6; It is characterized in that: also comprise being used to make and separate the retracing spring (14) that lock collar (4) resets; One end of retracing spring (14) is connected to be separated on the lock collar (4), and the other end is connected on the reaction plate (5).
8. back of seat angle regulator as claimed in claim 7 is characterized in that: said retracing spring (14) is an O shape spring.
9. back of seat angle regulator as claimed in claim 8 is characterized in that: also comprise sheath (15), and the cylindrical free-running fit of said sheath (15) and angular adjustment dish (2), and sheath (15) is fixed together with reaction plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210140457.3A CN102658785B (en) | 2012-05-08 | 2012-05-08 | Regulator for chair back angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210140457.3A CN102658785B (en) | 2012-05-08 | 2012-05-08 | Regulator for chair back angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102658785A true CN102658785A (en) | 2012-09-12 |
| CN102658785B CN102658785B (en) | 2016-03-02 |
Family
ID=46768426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210140457.3A Active CN102658785B (en) | 2012-05-08 | 2012-05-08 | Regulator for chair back angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102658785B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183838A (en) * | 2021-04-21 | 2021-07-30 | 芜湖博悦特汽车零部件有限公司 | Angle adjuster for automobile seat |
| CN114224080A (en) * | 2021-12-11 | 2022-03-25 | 南京旅游职业学院 | Multifunctional desk and chair capable of providing lunch break |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736986A (en) * | 1986-10-08 | 1988-04-12 | Ikeda Bussan Co., Ltd. | Seat recliner assembly |
| CN201139262Y (en) * | 2007-12-05 | 2008-10-29 | 长春旭阳汽车技术开发有限公司 | Unlocking disc of angle modulation device |
| CN102248902A (en) * | 2011-05-30 | 2011-11-23 | 苏州忠明祥和精工有限公司 | Angle regulator of car seat |
| US20110304188A1 (en) * | 2010-06-15 | 2011-12-15 | Toyota Boshoku Kabushiki Kaisha | Angle adjustment apparatus for vehicle seat |
| CN202552989U (en) * | 2012-05-08 | 2012-11-28 | 成都高科复合型材有限责任公司 | Angle adjusting device for backrest of chair |
-
2012
- 2012-05-08 CN CN201210140457.3A patent/CN102658785B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736986A (en) * | 1986-10-08 | 1988-04-12 | Ikeda Bussan Co., Ltd. | Seat recliner assembly |
| CN201139262Y (en) * | 2007-12-05 | 2008-10-29 | 长春旭阳汽车技术开发有限公司 | Unlocking disc of angle modulation device |
| US20110304188A1 (en) * | 2010-06-15 | 2011-12-15 | Toyota Boshoku Kabushiki Kaisha | Angle adjustment apparatus for vehicle seat |
| CN102248902A (en) * | 2011-05-30 | 2011-11-23 | 苏州忠明祥和精工有限公司 | Angle regulator of car seat |
| CN202552989U (en) * | 2012-05-08 | 2012-11-28 | 成都高科复合型材有限责任公司 | Angle adjusting device for backrest of chair |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183838A (en) * | 2021-04-21 | 2021-07-30 | 芜湖博悦特汽车零部件有限公司 | Angle adjuster for automobile seat |
| CN113183838B (en) * | 2021-04-21 | 2024-05-10 | 芜湖博悦特汽车零部件有限公司 | Angle adjuster for automobile seat |
| CN114224080A (en) * | 2021-12-11 | 2022-03-25 | 南京旅游职业学院 | Multifunctional desk and chair capable of providing lunch break |
| CN114224080B (en) * | 2021-12-11 | 2023-08-04 | 南京旅游职业学院 | Multifunctional desk and chair capable of providing noon break |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102658785B (en) | 2016-03-02 |
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