CN103129421B - Seat angle adjustor and there is the seat of this recliner - Google Patents
Seat angle adjustor and there is the seat of this recliner Download PDFInfo
- Publication number
- CN103129421B CN103129421B CN201110378954.2A CN201110378954A CN103129421B CN 103129421 B CN103129421 B CN 103129421B CN 201110378954 A CN201110378954 A CN 201110378954A CN 103129421 B CN103129421 B CN 103129421B
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- fixed parts
- seat
- angle adjustor
- limiting section
- link
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention discloses a kind of seat angle adjustor, and comprise and be built in movable part in sheath and fixed parts, movable part has internally toothed annulus for being fixedly connected with the chair back, and fixed parts has external toothing for being fixedly connected with seat support; And the sheath of movable part side has the first limiting section radially stretched out, the inner edge of the first limiting section is positioned at the inner side of the outer rim of movable part; The sheath of fixed parts side has the second limiting section radially stretched out, and the inner edge of the second limiting section is positioned at the inner side of the outer rim of fixed parts; Second limiting section of sheath has interior concane gap, and the fixed parts of indent indentation, there is provided with link, and link concane gap in the second limiting section axially stretches out, and is connected for seat support.The present invention effectively reduces volume on the basis possessing same bearer ability, thus can effectively reduce its manufacturing cost.On this basis, the present invention also provides a kind of seat with this recliner.
Description
Technical field
The present invention relates to the seat that a kind of angle of back-rest is adjustable, be specifically related to a kind of seat angle adjustor and there is the seat of this recliner.
Background technology
Existing seat angle adjustor roughly can be divided into two large classes: a class is the leaf spring type regulating mechanism adopting ratchet and pawl arrangement principle; Another kind of is the gear type regulating mechanism adopting Planetary Gear Transmission principle.Wherein, because gear type regulating mechanism can realize the step-less adjustment of Chair back angle, the operability of regulating mechanism is better, therefore field of application is wider.
At present, the connecting structure of seat gear type recliner mainly contains two kinds: one is Open architecture, open referring to is in naked state between the movable part be fixedly connected with the chair back and the fixed parts be fixedly connected with seat support, under using state, foreign matter can enter the sensitive structure district of fixed parts and movable part, as tooth mesh regional; Another kind is enclosed construction, the movable part be fixedly connected with the chair back and the fixed parts cover that is fixedly connected with seat support are fitted together by sheath class formation by closed referring to, the two is enclosed in one independently in space, thus has effectively evaded the problem that foreign materials away seat angle adjustor normally uses.
Specifically refer to Fig. 1 and Fig. 2, the external structure of the closed seat angle adjustor of existing a kind of typical case shown in figure; Wherein, Fig. 1 and Fig. 2 shows this seat angle adjustor external structure from two angles respectively.
As shown in the figure, the movable part 10 be fixedly connected with the chair back and the fixed parts 20 that is fixedly connected with seat support are bundled together by sheath 50 by this seat angle adjustor, meanwhile, fixed parts 20 is provided with boss 30, boss 30 is assemblied in the mounting hole 40 of seat support coupling component; Then CO is used
2gas shielded welding, will the two weld together.During actual product design, when regulating mechanism requirement of strength is very high, then need the size increasing boss 30 with satisfied carrying needs; Therefore fixed parts 20 and whole radial structure size are also by corresponding increase, and this just causes the oad of whole regulating mechanism to increase, obviously, the scope making it apply on the one hand is subject to a definite limitation, its manufacturing cost also corresponding raising in addition.
In addition, CO is adopted between the boss 30 in the program on fixed parts 20 and movable part 10
2the bind mode of gas shielded welding; when the position of weld on fixed parts 20 and end instr (such as: tooth) close together; welding process will cause the end instr on fixed parts 20 or other structures to produce distortion, thus causes the transmission performance of regulating mechanism to decline.
In view of this, urgently develop a kind of closed draw bail of seat angle adjustor, on the basis of same bearer ability, effectively can control recliner volume, thus reduce its manufacturing cost, improve the comformability of this seat angle adjustor.
Summary of the invention
For above-mentioned defect, the technical matters that the present invention solves is, a kind of seat angle adjustor is provided, by the optimal design of closed draw bail, this recliner can be made on the basis possessing same bearer ability to effectively reduce volume, thus can effectively reduce its manufacturing cost, improve the comformability of this seat angle adjustor.
Seat angle adjustor provided by the invention, comprise and be built in movable part in sheath and fixed parts, wherein, described movable part has internally toothed annulus for being fixedly connected with the chair back, and described fixed parts has external toothing for being fixedly connected with seat support; And the described sheath of movable part side has the first limiting section radially stretched out, the inner edge of described first limiting section is positioned at the inner side of the outer rim of described movable part; The described sheath of fixed parts side has the second limiting section radially stretched out, and the inner edge of described second limiting section is positioned at the inner side of the outer rim of described fixed parts; Second limiting section of described sheath has interior concane gap, and the described fixed parts of described indent indentation, there is provided with link, and described link concane gap in described second limiting section axially stretches out, and is connected for seat support.
Preferably, described link is corresponding with described interior concane gap to be arranged, and both all at least arrange two, and circumferentially uniform setting.
Preferably, in axis projection face, described link overlaps with the outer radial periphery edge of described fixed parts.
Preferably, the geomery at the radial internal and external circumferential edge of described link is identical, and both sides of the edge be arranged in parallel.
Preferably, the inside of described sheath has step surface, and medial surface and this step surface of described fixed parts offset; And along the axis of fixed parts, the bottom surface of described interior concane gap is positioned at the middle part of described fixed parts outer surface
Preferably, described link adopts plate stamping to make.
Preferably, between the both sides end face of described link and the sidewall of described interior concane gap, there is gap.
Preferably, between described link and fixed parts, adopt laser welding, and from the welding of radially outer edge place.
Preferably, in axis projection face, the equal arc transition in junction between the radial internal and external circumferential edge of described link and both sides end face.
Seat provided by the invention, the seat angle adjustor comprising hinged seat support and the chair back and be placed between seat support and the chair back, described seat angle adjustor adopts foregoing recliner.
After seat angle adjustor provided by the invention and seat are assembled, its movable part is fixedly connected with the chair back, and fixed parts is fixedly connected with seat support, and particularly, the circumference realized between the two by link that fixed parts is arranged and seat support attaching parts plug-in mounting is fixed.Sheath second limiting section of the fixed parts side of seat angle adjustor of the present invention has interior concane gap, link is arranged on the described fixed parts of indent indentation, there, and this link concane gap in the second limiting section axially stretches out, realize being connected with reliable between seat support.Compared with prior art, first, integrally shape technique compared to this connection structure and fixed parts, the link that the present invention is used for coordinating with seat support connector is set to the independent component of independence and fixed parts, effectively can reduce manufacture difficulty, and then reduce its processing and manufacturing cost; Meanwhile, based on identical recliner body and different seat support connected piece structures, meet different apolegamy requirements by the axial dimension adjusting link, there is good comformability; Secondly, sheath second limiting section is provided with interior concane gap, and link is arranged on the fixed parts of this indent indentation, there, thus effectively can utilize the radial outer periphery space of fixed parts, setting like this, on the basis of same radial size, the sectional dimension of link can be increased to greatest extent to obtain preferably load-carrying capacity; By effectively controlling its volume, its manufacturing cost can be reduced further, and greatly improving the comformability of this seat angle adjustor.
In preferred version of the present invention, described link overlaps in axis projection face with the outer radial periphery edge of fixed parts, to utilize the radial outer periphery space of fixed parts to greatest extent, provides reliable guarantee for controlling its oad further.
In another preferred version that this is bright, the geomery at the radial internal and external circumferential edge of link is identical, and both sides of the edge be arranged in parallel, and the concrete plate stamping that adopts is made; Setting like this, can make full use of base material and realize scrape free blanking, reduce manufacturing cost further.
In another preferred version of the present invention, between link and fixed parts, adopt laser welding, and from the welding of radially outer edge place.On the one hand fast based on Laser Welding Speed, be out of shape little feature, the impact of welding deformation can be effectively reduced, to make regulating mechanism, there is good transmission performance.In addition, from the welding of radially outer edge place in welding process, that is, position of weld between link and fixed parts is positioned at the outer surface of fixed parts, obviously, distant between the sensitive structure (external tooth) on welding region and fixed parts, welds and effectively reduces the impact of sensitive structure, therefore the volume of fixed parts can be reduced further, and then reduce the volume of whole recliner.
Seat angle adjustor provided by the invention is applicable to batch manufacturing, has anufacturability good, the feature that manufacturing cost is lower.Be applicable to the various seat needing adjusting back angle, be specially adapted to automotive seat.
Accompanying drawing explanation
Fig. 1 and Fig. 2 shows the external structure of publication number for seat angle adjustor disclosed in CN201468560U patent document from two different visual angles respectively;
Fig. 3 is the assembling exploded view of seat angle adjustor described in detailed description of the invention;
Fig. 4 is the structure diagram of the middle gear of seat angle adjustor described in detailed description of the invention transmission device;
Fig. 5 is the front view of seat angle adjustor described in detailed description of the invention;
Fig. 6 is the A-A section-drawing of Fig. 5;
Fig. 7 is the B-B section-drawing of Fig. 5;
The outside drawing of seat described in Fig. 8 detailed description of the invention.
In figure:
Sheath 1, first limiting section 11, second limiting section 12, interior concane gap 13, inwall 14, step surface 15, bottom surface 16, movable part 2, internally toothed annulus 21, fixed parts 3, satellite gear 31, outer surface 32, lateral surface 33, medial surface 34, link 4, outside cambered surface 41, inner side cambered surface 42, end face 43, drive element 5, seat angle adjustor 100.
Detailed description of the invention
Core of the present invention is to be optimized design for the closed connecting structure of seat angle adjustor, namely the weld between link and recliner fixed parts and carried out Curve guide impeller with seat connection mode, thus make this seat angle adjustor effectively reduce volume on the basis possessing same bearer ability, reduce its manufacturing cost, and then improve the comformability of this seat angle adjustor.Present embodiment is illustrated below in conjunction with Figure of description.
The noun of locality such as described inner side, outside, is with the axial line of seat angle adjustor for benchmark defines, that is herein; be inner side close to this axial line side; be outside away from this axial line side, should be appreciated that the use of the aforementioned noun of locality should not limit to the scope of patent application claims protection.
Refer to Fig. 3, the assembling exploded view that this figure is seat angle adjustor described in present embodiment.This seat angle adjustor same as the prior art comprises gear drive, parts and drive element three main function components are eliminated in gap.
Gear drive adopts few teeth difference single gear internal messing planetary transmission, specifically please also refer to the transmission principle structure diagram shown in Fig. 4.Wherein, the internally toothed annulus 21 of movable part 2 is meshed with the satellite gear 31 of fixed parts 3, and fixed parts 3 and movable part 2 are all placed in sheath 1, and jacket inner wall 14 coordinates with fixed parts 2 outer surface 32 small―gap suture.When operating torsional interaction in drive element 5, driving internally toothed annulus 21 to rotate by satellite gear, thus fixed parts 3 is rotated relative to movable part 2, realizing the object of adjusting back angle; And utilize gap to eliminate the gap existed between parts (not shown) elimination engaging tooth, to improve the traveling comfort of seat.
It should be noted that, the gear drive of seat angle adjustor described in present embodiment, gap eliminate the inventive point place that the main function components such as parts and drive element is not the application, those of ordinary skill in the art can realize completely based on prior art, therefore is not described in detail for aforementioned main function components herein.
Seat angle adjustor provided by the invention is closed, and its closed connecting structure is for the backrest of the movable part 2 and fixed parts 3 and connecting chair that connect seat angle adjustor or seat frame.In order to describe the closed connecting structure of this seat angle adjustor in detail, please also refer to Fig. 5, this figure is the front view of seat angle adjustor of the present invention, that is, seat angle adjustor shown in Fig. 3 assembled after D direction view.
As shown in the figure, sheath 1 cover is contained in the outside of movable part 2 and fixed parts 3, and both are placed in the space of opposing seal; Link 4 is fixedly connected with the lateral surface 33 of fixed parts 3.
The sheath 1 of movable part 1 side has inside, radially-protruding first limiting section 11, and the inner edge of this first limiting section 11 is positioned at the inner side of the outer rim of movable part 2; As shown in FIG., the first limiting section 11 is specially the ring-type limiting section that sheath 1 radially stretches out, and for ring-type limiting section, as long as namely the external diameter that its internal diameter is less than movable part can play spacing effect.In fact, the first limiting section 11 is not limited to the ring-type shown in figure, as long as meet the matching requirements that movable part is connected with the chair back.
The sheath 1 of fixed parts 3 side has the second limiting section 12 radially stretched out, and the inner edge of this second limiting section 12 is positioned at the inner side of the outer rim of fixed parts 3, to play spacing effect.As shown in the figure, second limiting section 12 of sheath 1 has four interior concane gaps 13, and correspondingly with four interior concane gaps 13 be provided with four links 4, each link 4 is arranged on the fixed parts 3 at corresponding interior concane gap 13 place, and this link 4 concane gap 13 in the second limiting section 12 axially stretches out, and is connected for seat support.Because link 4 is set to the independent component of independence and fixed parts 3, effectively can reduce manufacture difficulty, and then reduce its processing and manufacturing cost; Meanwhile, based on identical recliner body and different seat support connected piece structures, meet different apolegamy requirements by the axial dimension adjusting link 4, there is good comformability.Further, this connection structure effectively can utilize the radial outer periphery space of fixed parts 3, thus on the basis of same radial size, can increase the sectional dimension of link 4 to greatest extent to obtain preferably load-carrying capacity.
It should be noted that, the interior concane gap 13 matched described in this programme and the quantity of link 4 are not limited to the well-distributed shown in figure four, in fact, arrange as long as link 4 is corresponding with interior concane gap 13, its concrete magnitude setting can set according to actual needs, such as, one or except other of four a plurality of; Preferably, both all at least arrange two, and circumferentially uniform setting, to guarantee producing balanced forces.
In order to effectively utilize the radial outer periphery space of fixed parts further, can be improved further above-mentioned implementation, please also refer to Fig. 6 and Fig. 7, wherein, Fig. 6 is the A-A section-drawing of Fig. 5; Fig. 7 is the B-B section-drawing of Fig. 5.
In axis projection face, link 4 overlaps with the outer radial periphery edge of fixed parts 3.That is, the outside cambered surface 41 of link 4 is basic identical with outer surface 32 radius of fixed parts 3 and align, thus utilizes its radial outer periphery space to greatest extent.Enter one as shown in the figure, the geomery at the radial internal and external circumferential edge of link 4 is identical, and that is, the inner side cambered surface 42 of link 4 is identical with the radius size of outside cambered surface 41, left and right is straight flange; And both sides of the edge be arranged in parallel.Setting like this, link 4 adopts plate stamping technique to make, and can make full use of base material and realize scrape free blanking, reduce manufacturing cost further.
Should be appreciated that the difference according to the specific requirement of seat angle adjustor and its application assembly space, this link 4 also can be designed as block grade for other versions, as long as the basic conception of application the application is all in the scope that it is claimed.Certainly, such scheme plate stamping is adopted to be made for optimal case.
Preferably, preferably adopt laser welding process to realize failure-free between the two between link 4 and the outer surface 33 of fixed parts and be fixedly connected with relation, and from the welding of radially outer edge place, that is, adopt laser welding technology (in Fig. 6 direction shown in arrow) from external arc 32.Fast based on Laser Welding Speed, be out of shape little feature, the impact of welding deformation can be effectively reduced.Obviously, because the position of weld between link 4 and fixed parts 3 is positioned at the outer surface 32 of fixed parts 3, distant between sensitive structure (external tooth) on welding region and fixed parts 3, weld very little on the impact of sensitive structure, therefore the volume of fixed parts can be reduced, reduce the volume of whole recliner, increase field of application, reduce costs.
In addition, as shown in Figure 5, between the both sides end face 43 of link 4 and the sidewall of interior concane gap 13, there is gap.And, in axis projection face, the equal arc transition in junction between the radial internal and external circumferential edge of link 4 and both sides end face.Setting like this, effectively can improve the assembly process process of this seat angle adjustor.
For improving the assembly process process of this programme further, the control position relation that bending technique realizes between the second limiting section 12 and fixed parts 3 can be adopted.Particularly, after part machines, the second limiting section 12 stretches out along the axis of sheath 1, and movable part 2 and fixed parts 3 are inserted after in sheath 1 successively, then the second limiting section 12 axially stretched out is carried out bending, offset with the lateral surface 33 of fixed parts 3.
In this programme, sheath 1 inside has step surface 15, and medial surface 34 and this step surface 15 of fixed parts 3 offset; In addition, along the axis of fixed parts 3, the bottom surface 16 of interior concane gap 13 is positioned at the middle part of fixed parts outer surface 32.Like this; after sheath 1 carries out bending, closing in; the space formed between fixed parts 3 and sheath first limiting component 11 is in the state of opposing seal; thus guarantee that movable part 2 is in sealed environment with the tooth mesh regional of fixed parts 3; avoid foreign matter to enter tooth mesh regional through interior concane gap 13 place, improve the functional reliability of regulating mechanism.
Refer to Fig. 8, this figure is the outside drawing of seat of the present invention.The seat angle adjustor 100 that this seat comprises hinged seat support and the chair back and is placed between seat support and the chair back, wherein, seat angle adjustor 100 adopts foregoing recliner, and seat support is identical with prior art with annexation with the basic structure of the chair back, does not repeat them here.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. seat angle adjustor, comprise and be built in movable part in sheath and fixed parts, wherein, described movable part has internally toothed annulus for being fixedly connected with the chair back, and described fixed parts has external toothing for being fixedly connected with seat support; And the described sheath of movable part side has the first limiting section radially stretched out, the inner edge of described first limiting section is positioned at the inner side of the outer rim of described movable part; The described sheath of fixed parts side has the second limiting section radially stretched out, and the inner edge of described second limiting section is positioned at the inner side of the outer rim of described fixed parts; It is characterized in that, the second limiting section of described sheath has interior concane gap, and the described fixed parts of described indent indentation, there is provided with link, and described link concane gap in described second limiting section axially stretches out, and is connected for seat support;
Described link is the independent component independent of described fixed parts.
2. seat angle adjustor according to claim 1, is characterized in that, described link is corresponding with described interior concane gap to be arranged, and both all at least arrange two, and circumferentially uniform setting.
3. seat angle adjustor according to claim 1 and 2, is characterized in that, in axis projection face, described link overlaps with the outer radial periphery edge of described fixed parts.
4. seat angle adjustor according to claim 3, is characterized in that, the geomery at the radial internal and external circumferential edge of described link is identical, and both sides of the edge be arranged in parallel.
5. seat angle adjustor according to claim 4, is characterized in that, the inside of described sheath has step surface, and medial surface and this step surface of described fixed parts offset; And along the axis of fixed parts, the bottom surface of described interior concane gap is positioned at the middle part of described fixed parts outer surface.
6. seat angle adjustor according to claim 5, is characterized in that, described link adopts plate stamping to make.
7. seat angle adjustor according to claim 6, is characterized in that, has gap between the both sides end face of described link and the sidewall of described interior concane gap.
8. seat angle adjustor according to claim 1, is characterized in that, adopts laser welding between described link and fixed parts, and from the welding of radially outer edge place.
9. seat angle adjustor according to claim 1, is characterized in that, in axis projection face, and the equal arc transition in junction between the radial internal and external circumferential edge of described link and both sides end face.
10. seat, the seat angle adjustor comprising hinged seat support and the chair back and be placed between seat support and the chair back, it is characterized in that, described seat angle adjustor adopts recliner as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110378954.2A CN103129421B (en) | 2011-11-24 | 2011-11-24 | Seat angle adjustor and there is the seat of this recliner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110378954.2A CN103129421B (en) | 2011-11-24 | 2011-11-24 | Seat angle adjustor and there is the seat of this recliner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103129421A CN103129421A (en) | 2013-06-05 |
| CN103129421B true CN103129421B (en) | 2015-08-05 |
Family
ID=48490091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110378954.2A Active CN103129421B (en) | 2011-11-24 | 2011-11-24 | Seat angle adjustor and there is the seat of this recliner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103129421B (en) |
Citations (7)
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|---|---|---|---|---|
| CN101186188A (en) * | 2007-12-14 | 2008-05-28 | 邹耀忠 | Disc type gapless chair angle modulation device |
| CN101193770A (en) * | 2005-06-13 | 2008-06-04 | 英提尔汽车公司 | Disc recliner with memory |
| CN201136449Y (en) * | 2007-12-14 | 2008-10-22 | 邹耀忠 | Angle modulation device of disc type gapless seat |
| JP2009118940A (en) * | 2007-11-13 | 2009-06-04 | Toyota Boshoku Corp | Rotation stop device of vehicular seat |
| CN101585328A (en) * | 2008-05-22 | 2009-11-25 | 丰田纺织株式会社 | Connection devices |
| CN101941389A (en) * | 2009-07-04 | 2011-01-12 | 湖北中航精机科技股份有限公司 | Seat angle adjuster and seat with angle adjuster |
| CN202375556U (en) * | 2011-11-24 | 2012-08-15 | 湖北中航精机科技股份有限公司 | Chair angle regulator and chair provided with chair angle regulator |
-
2011
- 2011-11-24 CN CN201110378954.2A patent/CN103129421B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101193770A (en) * | 2005-06-13 | 2008-06-04 | 英提尔汽车公司 | Disc recliner with memory |
| JP2009118940A (en) * | 2007-11-13 | 2009-06-04 | Toyota Boshoku Corp | Rotation stop device of vehicular seat |
| CN101186188A (en) * | 2007-12-14 | 2008-05-28 | 邹耀忠 | Disc type gapless chair angle modulation device |
| CN201136449Y (en) * | 2007-12-14 | 2008-10-22 | 邹耀忠 | Angle modulation device of disc type gapless seat |
| CN101585328A (en) * | 2008-05-22 | 2009-11-25 | 丰田纺织株式会社 | Connection devices |
| CN101941389A (en) * | 2009-07-04 | 2011-01-12 | 湖北中航精机科技股份有限公司 | Seat angle adjuster and seat with angle adjuster |
| CN202375556U (en) * | 2011-11-24 | 2012-08-15 | 湖北中航精机科技股份有限公司 | Chair angle regulator and chair provided with chair angle regulator |
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| Publication number | Publication date |
|---|---|
| CN103129421A (en) | 2013-06-05 |
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Owner name: HUBEI AVIATION PRECISION MACHINERY TECHNOLOGY CO., Free format text: FORMER OWNER: ZHONGHANG PRECISIVE MACHINARY SCIENCE AND TECHNOLOGY CO., LTD., HUBEI Effective date: 20130619 |
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Effective date of registration: 20130619 Address after: 441003 Hubei city of Xiangfan province high tech Zone, Road No. 8 Applicant after: Hubei Aviation Precision Machinery Technology Co., Ltd. Address before: Xiangfan City, Hubei Province, 441003 Road No. 8 Applicant before: Zhonghang Precisive Machinary Science and Technology Co., Ltd., Hubei |
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