KR101725412B1 - Recliner for seat - Google Patents

Recliner for seat Download PDF

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Publication number
KR101725412B1
KR101725412B1 KR1020150185792A KR20150185792A KR101725412B1 KR 101725412 B1 KR101725412 B1 KR 101725412B1 KR 1020150185792 A KR1020150185792 A KR 1020150185792A KR 20150185792 A KR20150185792 A KR 20150185792A KR 101725412 B1 KR101725412 B1 KR 101725412B1
Authority
KR
South Korea
Prior art keywords
shaft
flange
sealing bush
hole
sealing
Prior art date
Application number
KR1020150185792A
Other languages
Korean (ko)
Inventor
장재용
문화영
Original Assignee
현대다이모스(주)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대다이모스(주) filed Critical 현대다이모스(주)
Priority to KR1020150185792A priority Critical patent/KR101725412B1/en
Application granted granted Critical
Publication of KR101725412B1 publication Critical patent/KR101725412B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22Seats 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
    • B60N2/235Seats 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 by gear-pawl type mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22Seats 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
    • B60N2/2213Gear wheel driven mechanism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22Seats 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
    • B60N2/225Seats 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 by cycloidal or planetary mechanisms

Abstract

Provided is a recliner for a seat, which comprises: a lower plate in which a first sealing bush is coupled to a first shaft through hole; a cam in which a second sealing bush is coupled to a second shaft through hole, and a lower end of the second sealing bush is in contact with an upper end of the first sealing bush; a plurality of lock gears arranged between guide units of the lower plate to be slid by the cam; and an upper plate rotationally assembled in the lower plate, wherein inner teeth engaged with the lock gears are formed, a third shaft through hole is formed in a central portion, a third sealing bush is formed in the third shaft through hole, and a lower end of the third sealing bush is in contact with an upper end of the second sealing bush.

Description

RECLINER FOR SEAT < RTI ID = 0.0 >

The present invention relates to a seat recliner for minimizing the number of components and clearance by applying an insert injection to prevent internal inflow of a coating liquid and preventing the inflow of a coating liquid in a double manner.

The present invention is a device equipped with a hinge for connecting a cushion to a bag and a function for adjusting the backrest back and forth by being mounted on an automobile seat. The device has convenient control function for adjusting the optimum driving posture, maintenance function after adjustment, To a recliner for an automobile seat, which is an important function product of a vehicle seat that requires strength that can be applied to a vehicle seat.

In recent years, there have been a lot of products that are coated with recliner, which is a seat core component, due to increased corrosion resistance of automotive parts and concerns about appearance exposure. However, there has been a phenomenon in which the operation part is not smoothly operated due to the injection of the coating liquid. Particularly, in the case of the connecting rod inserting part, that is, the inside part,

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

KR 10-2015-0130306E

The present invention has been proposed in order to solve such a problem, and it is an object of the present invention to provide a seat recliner which minimizes the number of components and clearance by applying insert injection to prevent internal inflow of a coating liquid, .

In order to attain the above object, a recliner of a seat according to the present invention is characterized in that a first shaft through hole is formed at the center, a plurality of guide portions are protruded and formed on an inner side surface, and a first sealing bush Lowered lower plate; A second shaft through hole is formed on the lower plate so as to be rotatable and is coupled to the shaft at the center. A second shaft bushing is coupled to the second shaft through hole, and a lower end of the second shaft bushing is connected to the upper ; A plurality of lock gears disposed between the guide portions of the lower plate and slid by the cam; And an inner tooth that is rotatably mounted on the lower plate and is engaged with the lock gear, a third shaft through hole is formed at the center, a third shaft bushing is coupled to the third shaft through hole, And an upper plate in contact with an upper end of the two-sealing bush.

A first flange protruding upward can be formed on the outer circumference of the upper surface of the first sealing bush, and the upper end of the first flange can contact the lower surface of the second sealing bush.

A second lower flange protruding downward may be formed on the inner circumference of the lower end surface of the second sealing bush and a lower end of the second lower flange may contact the upper surface of the first sealing bush.

A second lower flange protruding downward is formed on the inner circumference of the lower end surface of the second sealing bush and a lower end of the second lower flange contacts the upper surface of the first sealing bush while the second lower flange and the first flange are spaced apart from each other.

A second upper flange protruding upward can be formed on the inner circumference of the upper surface of the second sealing bush and an upper end of the second upper flange can be brought into contact with the lower surface of the third sealing bush.

A third flange protruding downward may be formed on the outer circumference of the lower end surface of the third sealing bush and a lower end of the third flange may be in contact with the upper surface of the second sealing bush.

A third flange protruding downward is formed on the outer periphery of the lower end surface of the third sealing bush, a lower end of the third flange contacts the upper surface of the second sealing bush, and the third flange and the second upper flange are spaced apart from each other.

The recliner of the present invention includes a ring-shaped sealing cover which surrounds an outer end of an upper plate; And a retainer which encloses the sealing cover and the upper plate together and is fastened to the lower plate.

A plurality of support ribs projecting outwardly are formed apart from the outer end of the lower plate, and a plurality of fitting pieces sandwiched between the support ribs may be formed at the outer end of the retainer.

The outer end of the sealing cover may be formed with an outwardly projecting extension spaced apart and the extension may be positioned between the point of interposition of the lower end of the retainer and the upper end of the support rib.

According to the recliner of the seat of the present invention, insert injection is applied to prevent the internal inflow of the coating liquid, thereby minimizing the number of components and clearance, and preventing the inflow of the coating liquid into two.

It has the effect of increasing the merchantability through the addition of one component and the application of coating liquid inflow prevention structure and improves the productivity problem by improving the stability of the operating part in the case of coating the existing recliner.

1 is an exploded perspective view of a recliner of a seat according to an embodiment of the present invention;
2 is a view showing an assembled state of a recliner of a seat according to an embodiment of the present invention;
3 is a cross-sectional view taken along line AA in Fig.

FIG. 1 is an exploded perspective view of a recliner of a seat according to an embodiment of the present invention, FIG. 2 is a view showing an assembled state of a recliner of a seat according to an embodiment of the present invention, Sectional view taken along the AA line.

The present invention comprises a cam (200), a lower plate (100), an upper plate (600), and a sealing cover (700). In the case of the inner part of the recliner, each component is injection-molded after camming, and the inside of the shaft insertion part is formed once more to prevent the injection of the coating liquid in the first place, and after the lower / upper plate processing, insert injection is performed It is a double barrier structure that prevents the inflow of coating liquid once again by molding twice. The outside of the recliner is a structure that prevents the inflow of the coating liquid between the retainer and the lower plate by applying the outer sealing cover.

The recliner of the seat according to the present invention has a first shaft through hole 120 formed at the center thereof and a plurality of guide portions 160 protruding from the inner side surface thereof and the first shaft through hole 120 is provided with a first seal A lower plate 100 to which a bushing 140 is coupled; A second shaft through hole 220 is formed on the lower plate 100 so as to be rotatable and is coupled to the shaft at a center thereof, a second sealing bush 240 is coupled to the second shaft through hole 220, The two-sealing bush 240 includes a cam 200 whose lower end is in contact with the upper end of the first sealing bush 140; A plurality of lock gears 300 disposed between the guide portions 160 of the lower plate 100 and slid by the cams 200; A third shaft through hole 620 is formed in the center and a third shaft through hole 620 is formed in the third shaft through hole 620. The third shaft through hole 620 is rotatably mounted on the lower plate 100, And an upper plate 600 to which the lower end of the third sealing bush 640 contacts the upper end of the second sealing bush 240.

In the recliner according to the present invention, the inner side where the shaft is inserted is formed by inserting the cam 200 and the lower / upper plates 100 and 600, respectively, and molding the inner edge once more to block the inflow of the coating liquid. It is a structure that prevents the inflow of coating liquid from the injection part of the cam insert first and prevents the inflow of the coating liquid from the injection part of the second lower / upper plate insert, thereby preventing the penetration of the coating liquid into the operation part.

To this end, the lower plate 100 has a first shaft through hole 120 formed at the center thereof, a plurality of guide portions 160 protruding from the inner side thereof, and a first sealing bush (not shown) 140 are coupled. Through the first sealing bush (140), the flow of the coating liquid to the first shaft through-hole (120) side is blocked.

On the other hand, the cam 200 is formed on the lower plate 100 so as to be rotatable and has a second shaft through-hole 220 which is fastened to the shaft at the center. The driving force of the shaft is transmitted to the cam 200 and presses the lock gear 300 outward together with the rotation of the control plate 400 when the cam 200 rotates. When the shaft driving force is released, the lock gear 300 is turned on by the operation of the control plate 400 by the restoring force of the spring 500.

The second sealing bush 240 is engaged with the second shaft through-hole 220 of the cam and the lower end of the second sealing bush 240 is brought into contact with the upper end of the first sealing bush 140. Through the second sealing bush 240, to the second shaft through-hole 220 side. The second sealing bush 240 is brought into contact with the first sealing bush 140 to block the flow of the coating liquid.

The upper plate 600 is rotatably assembled to the lower plate 100 and has an inner tooth engaging with the lock gear 300. A third shaft through hole 620 is formed at the center and a third shaft through hole 620 are coupled to the third sealing bush 640 and the lower end of the third sealing bush 640 is in contact with the upper end of the second sealing bush 240. Through the third sealing bush 640, to the third shaft through-hole 620 side. The third sealing bushing 640 is brought into contact with the second sealing bushing 240 to block the inflow of the coating liquid.

3, the first sealing bushing 140 and the second sealing bushing 240 have a first shaft through hole 120 and a second shaft through hole 220 (see FIG. 2) To prevent the penetration of the coating liquid. A second lower flange 242 protruded downward is formed on the inner circumference of the lower end surface of the second sealing bush 240 and a lower end of the second lower flange 242 can contact the upper surface of the first sealing bush 140. Thereby preventing the coating liquid from penetrating primarily between the first shaft through-hole 120 and the second shaft through-hole 220.

A first flange 142 protruded upward can be formed on the outer circumference of the upper surface of the first sealing bush 140 and the upper end of the first flange 142 can be in contact with the lower surface of the second sealing bush 240. And the second lower flange 242 and the first flange 142 may be spaced apart from each other. Through this, the second shaft penetration hole 120 and the second shaft penetration hole 220 prevent the second penetration of the coating liquid.

Similarly, the second sealing bushing 240 and the third sealing bushing 640 prevent the coating liquid from penetrating into the space between the second shaft through-hole 220 and the third shaft through-hole 620. A second upper end flange 244 protrudes upward and an upper end of the second upper end flange 244 may abut the lower surface of the third sealing bush 640. Thereby preventing the coating liquid from primarily penetrating between the second shaft through-hole 220 and the third shaft through-hole 620.

A third flange 642 protruding downward is formed on the outer circumference of the lower end surface of the third sealing bush 640. A lower end of the third flange 642 abuts on the upper surface of the second sealing bush 240, 642 and second top flange 244 may be spaced apart from one another. Through which the second shaft penetration hole 220 and the third shaft penetration hole 620 are prevented from penetrating through the second shaft penetration hole 220 and the third shaft penetration hole 620.

Through this structure, a point between the first shaft through hole 120 and the second shaft through hole 220 and a point between the second shaft through hole 220 and the third shaft through hole 620 are doubly sealed It is possible to reliably prevent penetration of the coating liquid into the internal structure.

1 to 3, the recliner of the present invention includes a ring-shaped sealing cover 700 surrounding an outer end of the upper plate 600; And a retainer 800 which encloses the sealing cover 700 and the upper plate 600 together and is fastened to the lower plate 100.

A plurality of support ribs 180 protruding outward are spaced apart from the outer end of the lower plate 100. A plurality of retaining ribs 180 are formed at the outer end of the retainer 800, 820 may be extended.

A plurality of extension portions 720 are spaced apart from each other, and the extension portion 720 is formed to be spaced apart from the extension portion 720 And may be positioned between the point of the both side fitting pieces 820 in the lower end of the retainer 800 and the upper end of the supporting rib 180. [

This structure allows the coating liquid flowing between the retainer 800 and the lower plate 100 to be cut off from the original and to prevent the coating liquid from flowing to the point where the point between the engaging pieces 820 of the retainer 800 and the support rib 180 is weak And the extended portion 720 of the sealing cover 700 is fitted to this portion, thereby preventing penetration of the coating liquid into the fragile portion. Thus, even if a manufacturing tolerance is somewhat generated, a situation in which a coating liquid is introduced is prevented.

In other words, the outer side of the recliner of the present invention has a structure for preventing the inflow of the coating liquid between the retainer and the lower plate by applying the outer sealing cover. Through the overall structure, the recliner of the present invention has both the inside and the outside A complete sealing structure is provided which is shut off.

According to the recliner of the seat of the present invention, insert injection is applied to prevent the internal inflow of the coating liquid, thereby minimizing the number of components and clearance, and preventing the inflow of the coating liquid into two.

It has the effect of increasing the merchantability through the addition of one component and the application of coating liquid inflow prevention structure and improves the productivity problem by improving the stability of the operating part in the case of coating the existing recliner.

While the invention has been shown and described with respect to the specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

100: Lower plate 200: Cam
300: Lock gear 600: Upper plate
700: sealing cover 800: retainer

Claims (10)

A lower plate having a first shaft through-hole formed at the center thereof, a plurality of guide portions protrudingly formed on an inner side thereof, and a first sealing bush coupled to the first shaft through-hole;
A second shaft through hole is formed on the lower plate so as to be rotatable and is coupled to the shaft at the center. A second shaft bushing is coupled to the second shaft through hole, and a lower end of the second shaft bushing is connected to the upper ;
A plurality of lock gears disposed between the guide portions of the lower plate and slid by the cam; And
A third shaft through hole is formed at the center, a third shaft bushing is coupled to the third shaft through hole, and a lower end of the third sealing bush is coupled to the second shaft bush, An upper plate in contact with an upper end of the sealing bush;
A first flange protruding upward is formed on an outer circumference of an upper end surface of the first sealing bush, and an upper end of the first flange is in contact with a lower surface of the second sealing bush;
A second lower flange protruding downward is formed on an inner circumference of a lower end surface of the second sealing bush and a lower end of the second lower flange is in contact with an upper surface of the first sealing bush and the second lower flange and the first flange are spaced apart from each other Recliner of seat.
delete delete delete The method according to claim 1,
A second upper flange protruding upward is formed on the inner circumference of the upper surface of the second sealing bush and an upper end of the second upper flange is brought into contact with the lower surface of the third sealing bush.
The method according to claim 1,
Wherein a third flange protruding downward is formed on the outer periphery of the lower end surface of the third sealing bush and a lower end of the third flange is in contact with the upper surface of the second sealing bush.
The method of claim 5,
Wherein a third flange protruding downward is formed on the outer periphery of the lower end surface of the third sealing bush, a lower end of the third flange is in contact with an upper surface of the second sealing bush, and a third flange and the second upper flange are spaced apart from each other. Of recliner.
The method according to claim 1,
A ring-shaped sealing cover surrounding the outer end of the upper plate; And
And a retainer that encloses the sealing cover and the upper plate together and is fastened to the lower plate.
The method of claim 8,
Wherein a plurality of support ribs protruding outwardly are formed spaced apart from each other at an outer end of the lower plate, and a plurality of fitting pieces sandwiched between the support ribs are formed at the outer end of the retainer.
The method of claim 9,
Wherein the outer end of the sealing cover is formed with an extended portion protruding outwardly and the extending portion is located between the point of interposition of the fitting of the lower end of the retainer and the upper end of the supporting rib.
KR1020150185792A 2015-12-24 2015-12-24 Recliner for seat KR101725412B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150185792A KR101725412B1 (en) 2015-12-24 2015-12-24 Recliner for seat

Publications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018219689A1 (en) 2017-12-26 2019-06-27 Hyundai Dymos Incorporated Seat recliner for vehicle and method of making same
KR20190078377A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190078371A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190078552A (en) 2019-05-28 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190078376A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190126489A (en) 2018-05-02 2019-11-12 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190126488A (en) 2018-05-02 2019-11-12 현대트랜시스 주식회사 Seat recliner for vehicle
US10850647B2 (en) 2018-05-02 2020-12-01 Hyundai Transys Incorporated Seat recliner for vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003120226A (en) * 2001-10-16 2003-04-23 Hitachi Unisia Automotive Ltd Valve timing control device for internal combustion engine
KR20070061758A (en) * 2004-10-14 2007-06-14 카이퍼 게엠베하 운트 코. 카게 Fitting for a vehicle seat
KR20080101861A (en) * 2006-04-04 2008-11-21 카이퍼 게엠베하 운트 코. 카게 Fitting for a vehicle seat
KR20150130306A (en) 2013-03-18 2015-11-23 마그나 시팅 인크. Disc recliner with tapered pin cam surface

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003120226A (en) * 2001-10-16 2003-04-23 Hitachi Unisia Automotive Ltd Valve timing control device for internal combustion engine
KR20070061758A (en) * 2004-10-14 2007-06-14 카이퍼 게엠베하 운트 코. 카게 Fitting for a vehicle seat
KR20080101861A (en) * 2006-04-04 2008-11-21 카이퍼 게엠베하 운트 코. 카게 Fitting for a vehicle seat
KR20150130306A (en) 2013-03-18 2015-11-23 마그나 시팅 인크. Disc recliner with tapered pin cam surface

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10532670B2 (en) 2017-12-26 2020-01-14 Hyundai Dymos Incorporated Seat recliner for vehicle
US10688891B2 (en) 2017-12-26 2020-06-23 Hyundai Dymos Incorporated Seat recliner for vehicle and method of manufacturing the same
KR20190078371A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190078367A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle and method for producing the same
DE102018219689A1 (en) 2017-12-26 2019-06-27 Hyundai Dymos Incorporated Seat recliner for vehicle and method of making same
KR20190078376A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190078377A (en) 2017-12-26 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle
US10493874B2 (en) 2017-12-26 2019-12-03 Hyundai Dymos Incorporated Seat recliner for vehicle
KR20190126489A (en) 2018-05-02 2019-11-12 현대트랜시스 주식회사 Seat recliner for vehicle
KR20190126488A (en) 2018-05-02 2019-11-12 현대트랜시스 주식회사 Seat recliner for vehicle
US10850647B2 (en) 2018-05-02 2020-12-01 Hyundai Transys Incorporated Seat recliner for vehicle
US10913378B2 (en) 2018-05-02 2021-02-09 Hyundai Transys Incorporated Seat recliner for vehicle
US11014474B2 (en) 2018-05-02 2021-05-25 Hyundai Transys Incorporated Seat recliner for vehicle
DE102019205856B4 (en) 2018-05-02 2022-01-27 Hyundai Transys Inc. SEAT RECLINING DEVICE FOR A VEHICLE
KR20190078552A (en) 2019-05-28 2019-07-04 현대트랜시스 주식회사 Seat recliner for vehicle

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