CN103070564A - Seat and its angle regulator - Google Patents
Seat and its angle regulator Download PDFInfo
- Publication number
- CN103070564A CN103070564A CN2012105461611A CN201210546161A CN103070564A CN 103070564 A CN103070564 A CN 103070564A CN 2012105461611 A CN2012105461611 A CN 2012105461611A CN 201210546161 A CN201210546161 A CN 201210546161A CN 103070564 A CN103070564 A CN 103070564A
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- camshaft
- fixed part
- seat
- seat angle
- moving spring
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Abstract
The invention discloses a seat angle regulator. The seat angle regulator comprises return springs arranged between a camshaft and a fixed part to generate elastic deformation during the rotation of the camshaft relative to the fixed part in order to control the locking or unlocking of the seat angle regulator; the middle of the fixed part has an inside concave counter bore, the return springs are arranged in the inside concave counter hole, and there is at least one group of the return springs; and each group has two return springs symmetrically arranged relative to the revolving axis of the camshaft in an axial projection plane. The completely-symmetric fixing mode of the two return springs of each group provides same-direction torques, and simultaneously side forces generated by the two return springs are equal in size and are opposite in direction, so the side forces offset, thereby a case that the return springs only provide the torques for the angle regulator without generating additional frictional force is guaranteed. The invention also provides a seat having the seat regular on the basis of the above scheme.
Description
Technical field
The present invention relates to a kind of seat configuration technical field, be specifically related to a kind of seat and recliner thereof.
Background technology
Seat belongs to articles for use indispensable in the life, and it provides people to take and replaces the weight of both legs support human body, and people's shank is loosened.Difference according to place to use and use function, seat has multiple different structure, with regard to the seat that is installed in vehicle interior, its primary structure is to be connected with a chair back at a chair base rear end, when the occupant was sitting on the seat support, its back can lean in the chair back, and was provided with recliner between the chair back and the seat support, provide the chair back can carry out with respect to seat support the adjustment at angle of inclination, with the custom that cooperates different occupants or demand and provide better comfort level.
The locking spring of using on traditional seat angle adjustor mostly adopts a spring, and one end and cam (or turning cylinder of fixing with cam) connect, and an end connects with coulisse.The effect of this locking spring is to provide moment of torsion between cam and coulisse, and driving cam guarantees that to the motion of locking direction recliner can normal locking.Yet, use the structure of a spring except moment of torsion is provided, must between the inside and outside stay hook of spring, produce an additional side force, under the effect of this side force, camshaft can be offset, and makes camshaft extruding coulisse central bore, produces friction between camshaft and coulisse central bore, for example, publication number is the Chinese patent literature of CN101243922A.Because the existence of this friction, during release, lever operated power is larger, and operation is hard; During locking, the moment of torsion that acts between camshaft and the coulisse reduces, and may cause the insecure problem of recliner locking.
In the prior art, also have by adopting two (such as the flat 8-253063 of Japanese documentation TOHKEMY) or three (such as Chinese patent literature ZL 200310100093.7) relative uniform locking springs of coulisse of design to come the method for driving cam, with the side force that produces between the stiff end inside and outside the elimination spring, thereby reduce or eliminate frictional force between camshaft and the coulisse centre bore, like this, the locking spring can provide a pure torsion for cam, and do not produce additional frictional force, can increase to greatest extent locking power, and reduce lever operated power.But, above-mentioned prior art often is subjected to the restriction of recliner project organization, can only be used for the relatively less recliner design of slide block quantity, to three with the recliner of top shoe particularly the high strength recliner be difficult to adopt this method, or cause recliner project organization relative complex, can't effectively control cost.
In view of this, demand urgently being optimized design for existing seat angle adjustor, on the controlled basis of designs simplification, cost, can effectively eliminate additional friction force.
Summary of the invention
For defects, the technical problem that the present invention solves is, a kind of seat angle adjustor of designs simplification design is provided, with its locking of effective elimination or the release issuable additional friction force of back-moving spring.On this basis, the present invention also provides a kind of seat with this recliner.
Seat angle adjustor provided by the invention comprises being arranged on back-moving spring between camshaft and the fixed part, so that described camshaft produces strain when rotating with respect to described fixed part, controls locking or the release of described recliner; The middle part of described fixed part has the indent counterbore, and described back-moving spring is built in the described indent counterbore, and is set at least one group; In the axis projection face, every group has with respect to symmetrically arranged two back-moving springs of the axis of rotation of described camshaft.
Preferably, described camshaft is plugged in the described fixed part.
Preferably, described back-moving spring is scroll spring, and its medial extremity and described camshaft connect, and its outboard end and described fixed part connect.
Preferably, described camshaft set gradually the arc section that is rotatably assorted with described fixed part and with the suitable non-arc section of the medial extremity of described back-moving spring; Described back-moving spring is set on the described non-arc section, and the shape of its inner ring and described non-arc section are suitable.
Preferably, the cross sectional shape of described non-arc section is polygon.
Preferably, with the outboard end of described back-moving spring accordingly, offer spring outboard end plug-in mounting mouth on the hole wall of the indent counterbore of described fixed part.
Preferably, in the axis projection face, described plug-in mounting mouth is dovetail shaped.
Preferably, described fixed part is the coulisse of described recliner.
Seat provided by the invention comprises hinged seat support and the chair back, and is arranged on recliner between the two, and described recliner is specially foregoing seat angle adjustor.
Compared with prior art, the back-moving spring of seat angle adjustor of the present invention is set at least one group, and in the axis projection face, every group has two symmetrically arranged two back-moving springs of the axis of rotation with respect to camshaft; Thus, the fixed form full symmetric of every group of two back-moving springs, provide the direction of moment of torsion identical, but, side force equal and opposite in direction, opposite direction that both produce are cancelled each other, thereby guarantee that back-moving spring only provides a pure torsion for this recliner, and do not produce additional frictional force, and then guarantee that releasing force is less in the enough situations of recliner locking power.Simultaneously, the back-moving spring of this programme is built in the indent counterbore at fixed part middle part, thus simple in structure, be easy to realize, for the control cost of goods manufactured provides reliable guarantee; In addition, this programme can be realized on the basis of existing recliner, has effectively utilized the inner space of member, does not consist of impact for the product design size, meets the development trend of product miniaturization.
Seat angle adjustor provided by the invention is applicable to the seat of any type of chair back angle adjustable, is specially adapted to automotive seat.
Description of drawings
Fig. 1 is that publication number is the disclosed recliner schematic diagram of Chinese patent literature of CN101243922A;
Fig. 2 is the assembly relation front view of the described seat angle adjustor of the specific embodiment;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation of the described back-moving spring of the specific embodiment;
Fig. 5 is the front view of camshaft described in the specific embodiment;
Fig. 6 is that the B of Fig. 5 is to view;
Fig. 7 is the C-C profile of Fig. 5;
Fig. 8 is the structural representation of the described coulisse of the specific embodiment;
Fig. 9 is the D-D cutaway view of Fig. 8.
Among Fig. 2-Fig. 9:
Back-moving spring 1, outboard end 11, medial extremity 12, camshaft 2, non-arc section 21, arc section 22, coulisse 3, plug-in mounting mouth 31, indent counterbore 32, centre bore 33.
The specific embodiment
Core of the present invention provides a kind of for seat angle adjustor, by structure optimization so that the back-moving spring of this seat angle adjustor only for this recliner provides a pure torsion, and does not produce additional frictional force.Specify present embodiment below in conjunction with Figure of description.
Be without loss of generality, this paper is elaborated with the disclosed seat angle adjustor main body of the Chinese patent literature of publication number CN101243922A.It should be explicitly made clear at this point, core design of the present invention is equally applicable to other forms of seat angle adjustor, as long as the basic conception of application this programme is all in the scope that the application asks for protection.
The main body of the described seat angle adjustor of this programme consists of same as the prior art, this recliner after the angular adjustment of seat, each wedge have symmetrical two sections corresponding from locking face with slide block from locking face, formation two point locking.When the ratchet ratchet is relative with the slide block ratchet, come driving cam to rotate by power and the external force of back-moving spring, thereby locking or the release of control slide block and ratchet realize the adjusting of angle of back-rest; Two sections uniform ratchet ratchets and two sections uniform ratchet planing surfaces are arranged on the ratchet, when the ratchet planing surface is relative with the slide block ratchet, can realize that the fast folding of the chair back is safeguarded.Specifically can be referring to Fig. 1.
Wherein, wedge is contained in the chute of coulisse, to guarantee the radial displacement track of wedge.Back-moving spring is arranged between camshaft and the coulisse, and coulisse is fixed part, so that described camshaft produces strain when rotating with respect to coulisse, and locking or the release of control recliner.On this basis, this programme is made further improvement, sees also Fig. 2 and Fig. 3, and wherein, Fig. 2 is the assembly relation front view of the described seat angle adjustor of present embodiment, and Fig. 3 is the A-A cutaway view of Fig. 2.Show the assembly relation axis projection schematic diagram of back-moving spring described in the present embodiment and coulisse.
As shown in the figure, have indent counterbore 32 at the middle part of coulisse 3, back-moving spring 1 is built in the indent counterbore 32 of coulisse 3, and two back-moving springs 1 are set to one group; In the axis projection face, two back-moving springs 1 of this group are symmetrical arranged with respect to the axis of rotation of camshaft 2.So arrange, the fixed form full symmetric of two back-moving springs 1, provide the direction of moment of torsion identical, and side force equal and opposite in direction, opposite direction that both produce, can cancel each other, thereby guarantee back-moving spring 1 only for this recliner provides a pure torsion, and do not produce additional frictional force, and then guarantee that releasing force is less in the enough situations of recliner locking power.Simultaneously, the back-moving spring 1 of this programme is built in the indent counterbore 32 at fixed part middle part, thus simple in structure, be easy to realize; In addition, this programme can be realized on the basis of existing recliner, has effectively utilized the inner space of coulisse 3, does not consist of impact for the product design size.
Be to be understood that, the concrete number of back-moving spring is not limited to arrange one group shown in the figure, based on the different product configuration requirement, can be set to many groups, as long as two back-moving springs 1 all are symmetrical arranged with respect to the axis of rotation of camshaft 2 in the axis projection face in every group, the side force of both generations of all can cancelling each other.Certainly, by contrast, the scheme that one group of back-moving spring is set more simply is easy to processing.
As previously mentioned, be arranged between camshaft and the fixed part for back-moving spring, in order to produce strain when described camshaft rotates with respect to fixed part, the locking of control recliner or the recliner of release, this programme core design thought all can be suitable for; That is to say, in other forms of existing recliner, the member that cooperates with back-moving spring is not coulisse.Obviously, based on the variation of the agent structure of such recliner, corresponding refined structure is applicable equally.For example, in this programme, camshaft 2 is plugged in the centre bore 33 of coulisse 3, so that external part links to each other with drive unit.
For further saving the mounted inside space, back-moving spring 1 is scroll spring, and its medial extremity 12 connects with camshaft 2, and its outboard end 11 connects with coulisse 3; Please in the lump referring to Fig. 2 to Fig. 4, wherein, Fig. 4 is the structural representation of back-moving spring described in this programme.In the course of work, owing in the process of scroll spring compressive deformation and release elastic deformation energy, substantially can in a working face, finish, therefore take up room controlled.
In addition, please in the lump referring to Fig. 5 to Fig. 7, wherein, Fig. 5 is the front view of camshaft described in the present embodiment, and Fig. 6 is that the B of Fig. 5 is to view; Fig. 7 is the C-C profile of Fig. 5.
Camshaft 2 in this programme can have arc section 22 that the centre bore 33 with coulisse 3 is rotatably assorted and with the suitable non-arc section 21 of the medial extremity 12 of back-moving spring 1; Based on different with respect to the axial location of camshaft 2 of coulisse 3 and back-moving spring 1, arc section 22 and non-arc section 21 are successively set on the camshaft 2.After assembling was finished, back-moving spring 1 was set on the non-arc section 21, and the non-arc section 21 of the shape of its inner ring and camshaft 2 is suitable, so that produce corresponding deformation with the rotation of camshaft 2.
What specify is, the cross sectional shape of the non-arc section 21 shown in the figure is square, and manufacturability is relatively better; In fact, its cross sectional shape also can be triangle or other polygons, also can be for other noncircular cross sections of the circumferential confined planes of processing on the cylinder, as long as satisfy servo-actuated demand all in the scope that the application asks for protection.
In addition, this programme has further been optimized the outboard end matching relationship of back-moving spring 1.Please in the lump referring to Fig. 8 and Fig. 9, wherein, Fig. 8 is the structural representation of the described coulisse of present embodiment, and Fig. 9 is the D-D cutaway view of Fig. 8.
As shown in the figure, with the outboard end 11 of back-moving spring 1 accordingly, offer spring outboard end plug-in mounting mouth 31 on the hole wall of the indent counterbore 32 of coulisse 3, certainly, the setting of plug-in mounting mouth 31 and each back-moving spring 1 corresponding setting.As shown in the figure, in the axis projection face, plug-in mounting mouth 31 is dovetail shaped, and the outboard end of back-moving spring 1 11 offsets with the inclined-plane of plug-in mounting mouth 31, can effectively avoid improper and deviate from, and improves to cooperate reliability.Need to prove,, only need this plug-in mounting mouth 31 to arrange one and cooperate the inclined-plane to get final product the Chang Gongneng needs with respect under the definite operating position of the installation side of seat for recliner; But, being subjected to the restriction of seat applications occasion, there is the possibility that is arranged on the seat opposite side in recliner, in order to improve the usability of this recliner, plug-in mounting mouth 31 in this programme is dovetail shaped, during practical application, then may use another inclined-plane of diagram and cooperate with back-moving spring 1.
It can certainly be such design.The fixed form of back-moving spring 1 medial extremity 12 and camshaft 2 is except this example, can also be to cooperate to realize fixing with hole or the groove of cam or camshaft by hook in the spring, as long as two back-moving spring inner rings or interior hook are symmetrical with cam or camshaft, fix up and down and all can.In like manner, the fixed form of the outboard end of back-moving spring 1 11 and coulisse 3 also comprises the fixed form of groove, hole and the axle of other form except the mode that this example is described, as long as the outer hook of back-moving spring (or circle) and coulisse be symmetry, fix and all can up and down.
Except aforementioned seat angle adjustor, present embodiment also provides a kind of seat of this recliner of application.Same as the prior art is that this seat comprises hinged seat support and the chair back, owing to those skilled in the art can realize fully based on prior art, therefore this paper repeats no more.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle 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 (9)
1. seat angle adjustor comprises being arranged on back-moving spring between camshaft and the fixed part, so that described camshaft produces strain when rotating with respect to described fixed part, controls locking or the release of described recliner; It is characterized in that, the middle part of described fixed part has the indent counterbore, and described back-moving spring is built in the described indent counterbore, and is set at least one group; In the axis projection face, every group has with respect to symmetrically arranged two back-moving springs of the axis of rotation of described camshaft.
2. seat angle adjustor according to claim 1 is characterized in that, described camshaft is plugged in the described fixed part.
3. seat angle adjustor according to claim 2 is characterized in that, described back-moving spring is scroll spring, and its medial extremity and described camshaft connect, and its outboard end and described fixed part connect.
4. seat angle adjustor according to claim 3 is characterized in that, described camshaft set gradually the arc section that is rotatably assorted with described fixed part and with the suitable non-arc section of the medial extremity of described back-moving spring; Described back-moving spring is set on the described non-arc section, and the shape of its inner ring and described non-arc section are suitable.
5. seat angle adjustor according to claim 4 is characterized in that, the cross sectional shape of described non-arc section is polygon.
6. each described seat angle adjustor in 5 according to claim 3 is characterized in that, with the outboard end of described back-moving spring accordingly, offer spring outboard end plug-in mounting mouth on the hole wall of the indent counterbore of described fixed part.
7. seat angle adjustor according to claim 6 is characterized in that, in the axis projection face, described plug-in mounting mouth is dovetail shaped.
8. seat angle adjustor according to claim 1 is characterized in that, described fixed part is the coulisse of described recliner.
9. seat comprises hinged seat support and the chair back, and is arranged on recliner between the two, it is characterized in that, described recliner is specially each described seat angle adjustor in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105461611A CN103070564A (en) | 2012-12-14 | 2012-12-14 | Seat and its angle regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105461611A CN103070564A (en) | 2012-12-14 | 2012-12-14 | Seat and its angle regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103070564A true CN103070564A (en) | 2013-05-01 |
Family
ID=48147423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105461611A Pending CN103070564A (en) | 2012-12-14 | 2012-12-14 | Seat and its angle regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103070564A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585436A (en) * | 2016-12-22 | 2017-04-26 | 湖北中航精机科技有限公司 | Seat angle modulation device and seat with the seat angle adjustment device |
| IT201800005223A1 (en) * | 2018-05-09 | 2019-11-09 | Discontinuous reclining device for a vehicle seat |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243922A (en) * | 2007-02-16 | 2008-08-20 | 湖北中航精机科技股份有限公司 | Device for regulating chair angle |
| CN202243072U (en) * | 2011-08-24 | 2012-05-30 | 湖北中航精机科技股份有限公司 | Chair angle adjustment device and chair comprising same |
| CN202541361U (en) * | 2012-04-24 | 2012-11-21 | 上海延锋江森座椅有限公司 | Automobile seat angle regulator with improved structure |
| CN203000049U (en) * | 2012-12-14 | 2013-06-19 | 湖北中航精机科技股份有限公司 | Seat and angle adjuster thereof |
-
2012
- 2012-12-14 CN CN2012105461611A patent/CN103070564A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101243922A (en) * | 2007-02-16 | 2008-08-20 | 湖北中航精机科技股份有限公司 | Device for regulating chair angle |
| CN202243072U (en) * | 2011-08-24 | 2012-05-30 | 湖北中航精机科技股份有限公司 | Chair angle adjustment device and chair comprising same |
| CN202541361U (en) * | 2012-04-24 | 2012-11-21 | 上海延锋江森座椅有限公司 | Automobile seat angle regulator with improved structure |
| CN203000049U (en) * | 2012-12-14 | 2013-06-19 | 湖北中航精机科技股份有限公司 | Seat and angle adjuster thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585436A (en) * | 2016-12-22 | 2017-04-26 | 湖北中航精机科技有限公司 | Seat angle modulation device and seat with the seat angle adjustment device |
| IT201800005223A1 (en) * | 2018-05-09 | 2019-11-09 | Discontinuous reclining device for a vehicle seat | |
| WO2019215523A1 (en) * | 2018-05-09 | 2019-11-14 | Martur Italy S.R.L. | Discontinuous recliner for a vehicle seat |
| CN110709277A (en) * | 2018-05-09 | 2020-01-17 | 马图尔意大利有限公司 | Intermittent recliner for vehicle seat |
| US11059398B2 (en) | 2018-05-09 | 2021-07-13 | Martur Italy S.R.L. | Discontinuous recliner for a vehicle seat |
| JP7416628B2 (en) | 2018-05-09 | 2024-01-17 | マルトゥール・イタリー・ソチエタ・ア・レスポンサビリタ・リミタータ | Discontinuous recliner for vehicle seats |
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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: 20130617 |
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Effective date of registration: 20130617 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: 441003 Hubei city of Xiangfan province high tech Zone, Road No. 8 Applicant before: Zhonghang Precisive Machinary Science and Technology Co., Ltd., Hubei |
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Application publication date: 20130501 |