KR101251838B1 - Recliner device of vehicle seat - Google Patents

Recliner device of vehicle seat Download PDF

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Publication number
KR101251838B1
KR101251838B1 KR1020110064815A KR20110064815A KR101251838B1 KR 101251838 B1 KR101251838 B1 KR 101251838B1 KR 1020110064815 A KR1020110064815 A KR 1020110064815A KR 20110064815 A KR20110064815 A KR 20110064815A KR 101251838 B1 KR101251838 B1 KR 101251838B1
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KR
South Korea
Prior art keywords
bracket
gear bracket
fixing
protrusion
internal gear
Prior art date
Application number
KR1020110064815A
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Korean (ko)
Other versions
KR20130003447A (en
Inventor
배재호
박시후
이수원
차재원
Original Assignee
주식회사다스
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.)
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Publication date
Application filed by 주식회사다스 filed Critical 주식회사다스
Priority to KR1020110064815A priority Critical patent/KR101251838B1/en
Publication of KR20130003447A publication Critical patent/KR20130003447A/en
Application granted granted Critical
Publication of KR101251838B1 publication Critical patent/KR101251838B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/68—Seat frames
    • B60N2/682—Joining means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The present invention relates to a recliner device for a vehicle seat, comprising: an external gear bracket having an outer gear formed at an inner rim and a protrusion formed at a center thereof; An internal gear bracket formed at an outer circumference of the internal gear engaged with the external gear; A socket block formed with a socket protrusion fitted in the protrusion; A power transmission unit that rotates the external gear bracket with respect to the internal gear bracket; A bearing fitted to the outside of the power transmission unit; A reclining unit including a cover plate covering and fixing the internal gear bracket and the socket block; And a mounting bracket provided with fixing means for fixing the cover plate and the edge of the external bracket. According to this, the fixing means for fixing the edge of the outer gear bracket and the cover plate is integrally mounted to the mounting bracket for fixing the reclining unit to the seat frame, so that the edges of the internal gear bracket and the cover plate of the conventional reclining unit are integrated. By acting as a guide bracket for wrapping and fixing, it is possible to reduce the number of parts constituting the recliner device, thereby reducing the manufacturing cost, there is an effect that can reduce the weight of the product.

Description

Recliner device for car seat {RECLINER DEVICE OF VEHICLE SEAT}

The present invention relates to a recliner device for a vehicle seat, and more particularly, a case bracket for enclosing and fixing an edge of an internal gear bracket and a cover plate of a reclining unit by integrally forming a mounting bracket on a mounting bracket through drawing processing, The present invention relates to a recliner device for a vehicle seat capable of simplifying the manufacturing process due to the reduction and reducing the weight of the product.

In general, seats, which are seat chairs installed in the front and rear of the interior of a vehicle, are equipped with various convenience devices for passenger comfort.

For example, a sliding function that can be pushed back and forth according to the passenger's body shape and adjusted, and the lifting function of moving the seat up and down depending on the situation, as well as the inclination of the seat back (Seat Back), etc. Equipped with various convenience devices to implement.

Among these various devices, a device for adjusting the backrest at various angles is commonly referred to as a recliner device.

Such a conventional recliner device is shown in FIGS. 1 and 2.

As shown, the conventional recliner device is configured to secure the reclining unit 1 to the seat frame with a mounting bracket 2, the reclining unit 1 having an external gear bracket 10, an internal gear. Bracket 20, the socket block 30, the bearing 40, the power transmission unit 80, the cover plate 50, the guide bracket 60 is large.

The external gear bracket 10 has a fitting hole 11 formed at the center thereof, and an internal gear type external gear 12 having a plurality of gear teeth formed on the inner surface thereof is continuously formed along the circumferential direction.

The internal gear bracket 20 has a circular protrusion 21 protruding toward the external gear bracket 10 at the center thereof, and an outer circumference which selectively engages with the external gear 12 at an outer circumferential surface thereof. A gear type internal gear 22 is formed continuously along the circumferential direction, and the internal gear 22 has a smaller number of gear teeth than the external gear 12.

The socket block 30 forms a spline coupling with the rotating shaft while the rotating shaft passes therethrough, and is inserted into the circular protrusion 21 of the internal gear bracket 20 by passing through the fitting hole 11 of the external gear bracket 10. The socket protrusion 31 is formed to protrude on one side. In addition, an operation protrusion 32 protrudes from one side of the socket block 30 so as to partially surround the outer circumferential surface of the circular protrusion 21 when the socket protrusion 31 is inserted into the circular protrusion 21. .

In addition, the socket block 30 is formed with a connecting plate 33 for integrally connecting the socket protrusion 31 and the operating protrusion 32, in the opposite direction of the socket protrusion 31 on one surface of the connecting plate 33. A spring protrusion 34 is formed to protrude.

The bearing 40 is inserted into the fitting hole 11 of the external gear bracket 10 and installed.

The power transmission unit 80 is installed to be in close contact with the bearing 40 while wrapping the remaining outer circumference of the circular projection 21 that is not wrapped by the operation projection 32, the operation projection 32 during rotation of the rotating shaft ) Rotates along the circular protrusion 21 in contact with the c) and serves to rotate the external gear bracket 10 with respect to the internal gear bracket 20.

The power transmission unit 80 is a pair of wedge block 81 that rotates along the circular projection 21, the cam 82 is installed to be in close contact with the bearing 40, both ends are bent, but both ends are a pair The wedge block 81 is installed to be fitted to each of the wedge block 81 is configured to provide a force to open the outside to the wedge spring (83).

The cover plate 50 seals the rear of the external gear bracket 10 to prevent separation of the socket block 30 and the power transmission unit 80.

The guide bracket 60 includes an external gear bracket 10 to surround the outer circumferences of the internal gear bracket 20 and the cover plate 50 so as to combine them integrally to form one reclining unit 1. do.

Conventional recliner device as described above, the external gear bracket 10, the internal gear bracket 20, the power transmission unit 80, the bearing 40 is coupled, the upper portion of the external gear bracket 10 After the cover plate 50 is coupled to the mounting bracket, the mounting bracket 2 for fixing the internal gear bracket 20 and the edges of the cover plate 50 with the guide bracket 60 and the integrated reclining unit 1 fixed to the seat frame. When the welding is fixed to the), the embossed 13 formed in the external gear bracket 10 is fitted into the fixing hole (2a) formed in the mounting bracket (2) is welded fixed structure.

As described above, when the cover plate 50 is welded and fixed, the cover plate 50 and the external gear bracket 10 are deformed by heat, thereby deteriorating durability.

In addition, the power transmission unit 80 is configured to be driven in a state where a certain amount of grease is buried, the grease is deteriorated by heat during welding fixing the cover plate 50 and the external gear bracket 10 power transmission unit 80 ) Was not working smoothly.

Therefore, the present invention has been made to solve the above problems, by constituting the recliner device by integrally configuring the guide bracket for fixing the reclining unit to the mounting bracket for fixing the reclining unit to the seat cushion frame. It is an object of the present invention to provide a recliner device for a vehicle seat that can reduce the number of parts and thus reduce the weight of the product.

The present invention for achieving the above object, the outer gear is formed on the inner rim, the outer gear bracket protruding formed in the center; An internal gear bracket formed at an outer circumference of the internal gear engaged with the external gear; A socket block formed with a socket protrusion fitted in the protrusion; A power transmission unit that rotates the external gear bracket with respect to the internal gear bracket; A bearing fitted to the outside of the power transmission unit; A reclining unit including a cover plate covering and fixing the internal gear bracket and the socket block; A mounting bracket having a fixing means for wrapping and fixing the edges of the cover plate and the external gear bracket, wherein the fixing means comprises: a through hole formed in the mounting bracket; An edge of the through hole protruding to one side, and a fixing ring portion into which a cover plate, an internal gear bracket and an external gear bracket are fitted; A fixing protrusion protruding from an upper edge of the fixing ring and formed by a caulking process to fix an edge of the external gear bracket; It is preferably formed at the bottom of the fixing ring portion, and includes a bent portion configured to surround the edge of the cover plate.

delete

In addition, the fixing ring portion preferably further includes a support portion on which the edge of the external gear bracket is seated.

In addition, the fixing means preferably further comprises an anti-rotation part for preventing the external gear bracket from rotating inside the fixing ring portion.

The anti-rotation part may include one or more anti-rotation protrusions protruding from the upper inner surface of the fixing ring part; It is preferable to include an anti-rotation groove corresponding to the anti-rotation protrusion and formed around the outer gear bracket.

According to the present invention, a fastening means for fixing the edge of the outer gear bracket and the cover plate is integrally mounted to a mounting bracket for fixing the reclining unit to the seat frame, so that the internal gear bracket and the cover plate of the conventional reclining unit By acting as a guide bracket to wrap around the edge, it is possible to reduce the number of parts constituting the recliner device, thereby reducing the manufacturing cost, there is an effect that can reduce the weight of the product.

In addition, when fixing the internal gear bracket to the mounting bracket, by eliminating the welding fixing step as in the prior art, it is possible to prevent the external gear bracket from being thermally deformed by the welding process and deterioration in durability.

1 is an exploded perspective view showing a recliner device of a conventional vehicle seat.
2 is a cross-sectional view showing a recliner device of a conventional vehicle seat.
Figure 3 is a plan view showing a recliner device for a vehicle seat according to an embodiment of the present invention.
Fig. 4 is a sectional view of Fig. 3; Fig.
Figure 5 is an exploded perspective view showing the power transmission unit and the socket block of the recliner device of the vehicle seat according to an embodiment of the present invention.

Specific embodiments of the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

3 is a plan view showing a recliner device for a vehicle seat according to an embodiment of the present invention, Figure 4 is a cross-sectional view of FIG.

As shown, the recliner device 100 for a vehicle seat according to an embodiment of the present invention, the mounting bracket 110 for fixing the reclining unit 200 to the seat frame for performing a function of adjusting the inclination of the seat back ) Is formed in the through hole 310, the fixing means 300 for fixing the reclining unit 200 to the through hole 310 is formed by a drawing process.

The reclining unit 200 is locked and unlocked to adjust the inclination of the seatback.

The reclining unit 200 includes an external gear bracket 210 having an internal gear type 211 having internal gears formed in a plurality of gear teeth in an circumferential direction and an outer gear bracket 211. An internal gear bracket 220 in which an internal gear 221 having a small number of gear teeth is formed, a socket block 240 forming a spline coupling with a rotating shaft, and a bearing installed in the internal gear bracket 220. 280, a power transmission unit for rotating the external gear bracket 210 with respect to the internal gear bracket 220, and a seal for covering and protecting one side of the internal gear bracket 220 and the socket block 240. It is composed of a cover plate 230.

The external gear bracket 210 has a fitting hole 212 formed in the center thereof, and an internal gear type 211 of the internal gear type is continuously formed in the circumferential direction.

In addition, the fitting hole 212 is provided with a protrusion 213 extending toward the internal gear bracket 220.

In the center of the internal gear bracket 220, a fitting hole 222 into which the protrusion 213 of the external gear bracket 210 and the power transmission unit described later are fitted is formed, and the outer gear 211 The internal gear 221 of the external gear type which is selectively engaged with () is continuously formed along the circumferential direction, and the internal gear 221 has a smaller number of gear teeth than the external gear 211. .

The socket block 240 forms a spline coupling with the rotating shaft while the rotating shaft penetrates, and passes through the fitting hole 222 of the internal gear bracket 220 to be fitted into the inner circumference of the protrusion 213 of the external gear bracket 210. A projection 241, an operation protrusion 242 installed to partially surround the outer circumferential surface of the protrusion 213, and a connecting plate 243 integrally connecting the socket protrusion 241 and the operation protrusion 242. The socket protrusion 241 is configured to include a spring protrusion 244 protruding in the opposite direction.

The bearing 280 is inserted into the fitting hole 222 of the internal gear bracket 220 and installed.

The power transmission unit is installed so as to be in close contact with the bearing 280 and a pair of wedge block 250 is installed to surround the outer peripheral surface of the protrusion 213 with the operation protrusion 242 of the socket block 240 as a whole Cam 260, and the bent both ends are configured to include a wedge spring 270 is installed so as to fit in a pair of wedge block 250, respectively.

The wedge block 250 is installed to completely surround the outer circumferential surface of the protrusion 213 of the external gear bracket 210 and rotates along the protrusion 213 by receiving power from the operating protrusion 242 when the rotating shaft is rotated. do.

The pair of wedge blocks 250 are each formed in a quarter arc shape, and have a structure that is formed to have an eccentric and wedge shape that gradually decreases in size from the middle to both sides. In addition, the wedge block 250 has a structure in which a spring groove into which the wedge spring 270 is fitted is formed at one end facing each other, and a protrusion contact part 251 in contact with the operation protrusion 242 is bent outward at the other end thereof. to be.

The cam 260 is configured to be in close contact with the bearing 280 while being padded on the outside of the wedge block 250, and is formed in a circular arc shape of a semicircle.

Meanwhile, the reclining unit 200 configured as described above is configured to be fixed to the fixing means 300 formed on the mounting bracket 110 fixed to the seat frame as shown in FIGS. 3 and 4.

That is, when the components constituting the reclining unit 200 are assembled, the cover plate 230 is seated on the fixing means 300, and the internal gear bracket 220 and the power transmission unit are mounted on the cover plate 230. And the socket block 240 is installed, and after the external gear bracket 210 is seated on the internal gear bracket 220 and the power transmission unit, the edge of the external gear bracket 210 is fixed to the fixing means ( It is fixed by the fixing protrusion 330 of 300.

The fixing means 300 is formed by extending the edge of the through hole 310 formed through the mounting bracket 110 by drawing, the fixing ring 320, the fixing protrusion 330, the bent portion ( 340).

The fixing ring 320 is formed by the edge of the through hole 310 of the mounting bracket 110 is protruded to one side of the mounting bracket 110 by the drawing process, the cover plate 230 at the end of the fixing ring 320 The bent portion 340 is formed to be supported by the edge of the).

A plurality of fixing protrusions 330 for fixing the edge of the external gear bracket 210 is protruded from the upper edge of the fixing ring 320. In addition, the support ring 350 is formed at the fixing ring 320 to which the edge of the external gear bracket 210 is seated.

In addition, the external gear bracket 210 is rotated when the reclining unit 200 is inserted into the through hole 310 and fixed by the fixing protrusion 330 and the bent portion 340. The anti-rotation unit 400 for preventing is provided.

The anti-rotation part 400 is rotated by the rotation axis when the reclining unit 200 is unlocked so that when the user adjusts the inclination of the seat back, the internal gear bracket 220 rotates, and the external gear bracket 210 rotates. To prevent it.

The anti-rotation part 400 corresponds to one or more anti-rotation protrusions 410 protruding from the upper inner surface of the fixing ring 320 and the anti-rotation protrusions 410 and formed around the external gear bracket 210. It is configured to include an anti-rotation groove 420.

The operation of the recliner device for a vehicle seat according to an embodiment of the present invention having the configuration as described above will be briefly described.

First, the through hole 310 is formed in the mounting bracket 110 for fixing the components of the reclining unit 200, and the fixing ring part 320 of the fixing means 300 is formed at the edge of the through hole 310. Form by drawing processing. Thereafter, the bent portion 340 and the support portion 350 of the fixing means 300 are formed on the lower and inner circumference of the fixing ring 320, respectively, and the anti-rotation protrusion 410 is formed on the upper end of the fixing ring 320. Form.

Then, the cover plate 230 is fitted inside the fixing ring 320 to seat the edge of the cover plate 230 at the bent portion 340, and the internal gear bracket 220 is attached to the cover plate 230. Will be installed. Then, the socket block 240 is fixed to the center of the cover plate 230, the wedge spring 270 is fixed.

Thereafter, the bearing 280 is inserted into the fitting hole 222 of the internal gear bracket 220, and the wedge block 250 and the cam 260 are installed in the socket block 240.

Then, the external gear bracket 210 on the upper portion of the internal gear bracket 220 so that the protrusion 213 of the external gear bracket 210 surrounds the outer circumferential surface of the socket protrusion 241 of the socket block 240. ) Will be assembled.

Thereafter, a plurality of fixing protrusions 330 are formed by caulking at the upper end of the fixing ring part 320 of the fixing means 300, thereby fixing the edges of the external gear bracket 220, thereby fixing the mounting bracket 110. The fixing of the reclining unit 200 to the means 300 is to be completed.

As described above, the present invention has been described with reference to the embodiments shown in the drawings, but this is merely exemplary, and those skilled in the art to which the art belongs may have various modifications and other equivalent embodiments therefrom. I understand that it is possible. Accordingly, the true scope of the present invention should be determined by the following claims.

100: recliner device
110: mounting bracket
200: reclining unit 210: external gear bracket
220: internal gear bracket 230: cover plate
240: socket block 241: socket projection
242: operation projection 243: connection plate
244: spring projection
300: fixing means 310: through hole
320: fixed ring portion 330: fixed projection portion
340: bend portion 350: support portion
400: anti-rotation part 410: anti-rotation protrusion
420: anti-rotation groove

Claims (5)

delete An external gear bracket having an inner gear formed at an inner edge thereof and having a protrusion protruding from the center thereof;
An internal gear bracket formed at an outer circumference of the internal gear engaged with the external gear;
A socket block formed with a socket protrusion fitted in the protrusion;
A power transmission unit that rotates the external gear bracket with respect to the internal gear bracket;
A bearing fitted to the outside of the power transmission unit;
A reclining unit including a cover plate covering and fixing the internal gear bracket and the socket block;
A mounting bracket provided with fixing means for wrapping and fixing edges of the cover plate and the external gear bracket;
Including,
Wherein,
A through hole formed in the mounting bracket;
An edge of the through hole protruding to one side, and a fixing ring portion into which a cover plate, an internal gear bracket and an external gear bracket are fitted;
A fixing protrusion protruding from an upper edge of the fixing ring and formed by a caulking process to fix an edge of the external gear bracket;
Recliner is formed on the lower end of the fixing ring portion, the recliner device for a vehicle seat, characterized in that it comprises a bent portion configured to surround the cover plate. The method of claim 2,
Recliner device for a vehicle seat, characterized in that the fixing ring portion is further provided with a support portion is seated on the edge of the outer gear bracket. The method of claim 2,
The fixing means further includes an anti-rotation part for preventing the external gear bracket from rotating inside the fixing ring part. 5. The method of claim 4,
The anti-rotation part,
One or more anti-rotation protrusions protruding from the upper inner surface of the fixing ring;
Recliner device for a vehicle seat, characterized in that the anti-rotation protrusion corresponding to the anti-rotation groove is formed around the outer gear bracket.
KR1020110064815A 2011-06-30 2011-06-30 Recliner device of vehicle seat KR101251838B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110064815A KR101251838B1 (en) 2011-06-30 2011-06-30 Recliner device of vehicle seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110064815A KR101251838B1 (en) 2011-06-30 2011-06-30 Recliner device of vehicle seat

Publications (2)

Publication Number Publication Date
KR20130003447A KR20130003447A (en) 2013-01-09
KR101251838B1 true KR101251838B1 (en) 2013-04-09

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Application Number Title Priority Date Filing Date
KR1020110064815A KR101251838B1 (en) 2011-06-30 2011-06-30 Recliner device of vehicle seat

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102071492B1 (en) * 2019-05-28 2020-01-30 현대트랜시스(주) Seat recliner for vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001037572A (en) * 1999-08-02 2001-02-13 Araco Corp Reclining device
KR20100113838A (en) * 2009-04-14 2010-10-22 주식회사다스 Recliner preventing back drive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001037572A (en) * 1999-08-02 2001-02-13 Araco Corp Reclining device
KR20100113838A (en) * 2009-04-14 2010-10-22 주식회사다스 Recliner preventing back drive

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KR20130003447A (en) 2013-01-09

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