KR100817000B1 - Folding type recliner for vehicle - Google Patents

Abstract

A folding-type recliner for a vehicle is provided to disperse loads to a stopper of restricting a reclining operation and a folding operation, so that a life span is extended. A lever(30) rotates about a core assembly shaft by unlocking the first recliner to recline a seat bag through a rotary operation. A base plate(40) is installed at one side of the lever and fixed to a lower plate. The base plate includes flange-type locking parts formed at first and second sides. The base plate includes a flange between the locking parts. An arm is fixed to a seat bag, and coupled to a core assembly shaft of the first and second recliners. A fixture plate(60) is fixed to the arm. The fixture plate rotates between the locking parts in the reclining of the seat bag. The fixture plate includes a flange locked with the locking part to restrict seat bag reclining. The first link(70) has a central portion hinged to the first side of the fixture plate. The first link has the first end locked with the flange of the base plate in the folding of the seat bag while rotating. The second link(80) is hinged to the second end of the first link, and rotates in a rotation direction when the first link rotates. The third link(90) has a first end hinged to the end of the second link and the second end coupled to a core assembly shaft of the second recliner. The third link rotates by the movement of the second link to unlock the second recliner.

Description

Folding Type Recliner for Vehicle

1 is an overall exploded perspective view of a recliner for a folding vehicle according to the present invention.

2 is a partially exploded perspective view of a recliner for a folding vehicle according to the present invention.

Figure 3 is a view showing a stopped state of the base plate and the fixed plate of the present invention.

Figure 4 is a side view showing a neutral state of the recliner for a folding vehicle according to the present invention.

5 is a side view showing the rear reclining state of the seatback;

Fig. 6A is a side view showing the front reclining state immediately before folding the seat back.

Fig. 6B is a side view showing the folding state of the seat back.

<Explanation of symbols for main parts of the drawings>

1: seatback 2: lower seat

10: first recliner 11: core assembly

20: second recliner 21: core assembly

11a, 21a: shaft 30: lever

40: base plate 41: locking portion

41a: front locking portion 41b: rear locking portion

42: flange 50: arm

51: arc-shaped hole 60: fixed plate

61: flange 70: first link

71: hinge axis 80: second link

81: hinge axis 90: third link

100: spring 111: pin stopper

110: side bracket 120: return spring

The present invention relates to a folding vehicle recliner, and more particularly, to a folding vehicle recliner for reclining and folding a seatback of a vehicle seat.

A folding vehicle recliner is a device mounted on a seat of a vehicle to reclin the seatback of the seat forward or backward or to fold the seatback forward.

In conventional folding vehicle recliners, it is common to separately install a lever for reclining the seat back and a lever for folding the seat back.

In such a case, when folding the seatback, the seatback must be reclined first, and then the seatback must be folded. In addition, since the lever must be used separately, there is a problem in that the number of parts increases and the space occupied by the lever takes a lot.

In order to solve this problem, there has been disclosed a folding vehicle recliner that operates the cam by one lever operation so that the reclining and folding of the seatback can be performed at the same time, but the operation mechanism for driving the cam is very complicated and requires a lot of parts. There was a problem.

In addition, the stopper that stops the operation by limiting the reclining and folding is mostly operated by the contact between the plate-shaped plate, the contact between these plates is small contact area causes damage of these plates in the long-term use, shortening the life of the recliner There was a problem letting.

The present invention was developed to solve the above problems, and an object thereof is to provide a recliner for a folding vehicle that can perform the reclining operation and the folding operation of the seat back continuously and smoothly with one lever operation.

Another object of the present invention is to provide a recliner for a folding vehicle that can extend the life by distributing the load to a stopper that limits the reclining operation and folding operation.

In order to achieve the above object, the foldable vehicle recliner of the present invention is provided with a reclining seat back of a vehicle seat and a second recliner having a core assembly and a second recliner having a core assembly. A recliner for a folding vehicle, comprising: a lever for unlocking a first recliner for reclining a seatback by a pivoting operation to rotate about a core assembly axis; A base plate installed at one side of the lever and fixed to a lower seat, and formed with flanges at one side and other predetermined portions, respectively, and having flanges formed between the latches; Arms fixed to the seatback and respectively engaged with the axes of the core assemblies of the first and second recliners; A fixing plate fixed to the arm and having a flange pivoting between the catches during seatback reclining and hooking the catching portion at the bottom to limit seatback reclining; A first link hinged at an intermediate portion on one side of the fixing plate and rotated by a flange of the base plate when one end thereof is folded back; A second link hinged to the other end of the first link and moved in a rotational direction when the first link is rotated; One end is hinged to the end of the second link and the other end is coupled to the core assembly axis of the second recliner that folds the seat back to pivot by movement of the second link to unlock the second recliner. Third link; Characterized in that consists of.

In addition, the present invention is fixed to the hinge shaft of the fixing plate and the first link to prevent the third link is rotated by the weight of the first link and the second link, the first link and the second link The hinge shaft and the link is characterized in that the spring is further provided on the fixing plate.

In addition, the present invention is characterized in that more than half of the side surface of the engaging portion of the flange of the base plate is in surface contact with the flange side of the fixing plate.

In addition, the present invention is the front locking portion that the front of the flange of the fixing plate when the reclining forward of the seat back and the rear locking portion that the rear of the flange of the fixing plate when reclining back of the seat back of the flange of the fixing plate It is characterized in that the front and rear respectively installed on the left and right.

In addition, the present invention is further provided with a side bracket that is fixed to the seat back and is provided with a pin stopper on one side, the arm is coupled to the pin stopper is moved when the seat back folding and further provided with an arc-shaped hole to limit the seat back folding It features.

In addition, the first recliner of the present invention is further provided with a return spring for returning the lever to its original position.

Accordingly, the configuration of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce.

1 is an overall exploded perspective view of a folding vehicle recliner according to the present invention, Figure 2 is a partial exploded perspective view of the recliner for a folding vehicle according to the present invention, Figure 3 shows a neutral state of the recliner for a folding vehicle according to the present invention 4 is a side view showing a rear reclining state of the seatback, FIG. 5A is a side view showing a front reclining state immediately before folding the seatback, and FIG. 5B is a side view showing a folding state of the seatback.

As shown, the folding vehicle recliner of the present invention includes a lever 30 for reclining the seatback 1 by a rotation operation; A base plate (40) having flanges (41) formed at flanges on one side and other predetermined portions thereof, and flanges (42) formed between the latch portions (41); An arm 50 coupled to the shafts 11a and 21a of the core assemblies 11 and 21 of the first and second recliners, respectively; A fixed plate 60 fixed to the arm 50 and having a flange 61 formed thereon; A first link 70 in which an intermediate portion is hinged to one side of the fixing plate 60; A second link (80) hinged to the other end of the first link (70); A third link 90 having one end hinged to an end of the second link and pivoted by the second link 80 to unlock the second recliner 20; Is made of.

The first recliner 10 reclins the seatback 1 of the vehicle seat and is provided with a core assembly 11. The core assembly 11 serves to lock or unlock by operating the lever 30 to fix or rotate the seatback 1 to be reclined. The core assembly 11 is known, and may be a vehicle recliner or similar recliner disclosed in Patent No. 10-0503968 (Invention: Vehicle Recliner) filed by the applicant. Do.

The second recliner 20 is provided with a second recliner 20 that folds the seat back 1 and is provided with a core assembly 21. The core assembly 21 serves to fix or fold the seatback 1 by locking or unlocking by rotating the third link 90. The core assembly 21 has the same structure as the core assembly 11 of the first recliner 10.

The lever 30 is pivoted about the axis of the core assembly 11 of the first recliner 10 by a pivoting operation, and serves to lock or unlock and lock the seatback 1 to be reclined or reclined. . The lever 30 is to be penetrated with the base plate 40 installed on one side. The lever 30 is preferably such that the lever 30 is returned to its original position after the rotation operation by the return spring 120 provided in the first recliner 10.

The base plate 40 is installed on one side of the lever 30 and is fixed to the lower seat 2, and the engaging portions 41 made of flanges are formed at predetermined portions on one side and the other side, respectively. The catching part 41 serves to limit the total recline to the front of the seat back 1 and the total recline to the rear when the seatback 1 is reclining. In addition, the base plate 40 is formed with a flange 42 located between the engaging portion 41.

The arm 50 is fixed to the seatback 1 and engaged with the shafts 11a and 21a of the core assemblies 11 and 21 of the first and second recliners, respectively. The fixing plate 60 is fixedly coupled to the arm 50.

The fixing plate 60 is fixed to the arm 50, and rotates between the engaging portions 41 together with the arm 50 fixed to the seatback 1 when reclining the seatback 1. A flange 61 is formed at the lower end of the fixing plate 60 to catch the engaging portion 41 of the base plate 40 to limit seatback reclining. The front and rear of the flange 61 are respectively caught by the engaging portion 41 of the base plate 40 to limit the seatback reclining, respectively, wherein the flange 61 is the seatback (1) fully forward It is preferable that the front catching portion 41a for restricting the reclining and the rear catching portion 41b for restricting the reclining of the seatback 1 completely back and forth are respectively installed from the left and the right and the left and the right when viewed from the side (Fig. 3 (a) )Reference). In this case, when the flange 61 of the fixing plate 60 is caught by the engaging portion 41 of the base plate 40 to limit the movement of the seat back 1 during seatback reclining, the flange 61 may be The load applied to the locking portion 41 is to be dispersed without concentrating in one direction. In addition, when the flange 61 is caught by the locking portion 41, it is preferable that at least half of the side surfaces of the locking portion 41 are in surface contact with the flange 61 (see FIG. 3 (b)). . Accordingly, as the contact area between the flange 61 and the catching portion 41 becomes wider, the load acting on the flange 61 and the catching portion 41 is distributed, thereby extending the life of these parts. Will be.

The first link 70 is hinged and fixed to one side of the fixing plate 60, the flange 42 of the base plate 40 when one end of the first link 70 folding the seat back (1) ) Is rotated, and the other end is hinged with the second link (80).

The first link 70 is rotated when one end is caught by the flange 42 of the base plate 40 when the seat back (1) is folded and the second link (80) in the rotation direction of the first link (70). ) To move).

One end of the second link 80 is hinged to the other end of the first link 70, and is rotated in the rotation direction of the first link 70 when the first link 70 rotates. . The other end of the second link 80 is hinged to the third link 90.

One end of the third link 90 is hinged to the other end of the second link 80, and the other end of the third link 90 folds the second recliner (1). It is coupled to the core assembly 21 shaft 21a of 20. Accordingly, when the second link 80 is moved in the rotational direction of the first link 70, the third link 90 is rotated in a direction opposite to the rotational direction of the first link 70. . The third link 90 is rotated in the opposite rotation direction of the first link by the rotation of the second link 80 to move the core assembly 21 shaft 21a of the second recliner 20. Rotation is performed to lock or unlock the second recliner.

The fixed plate 60 and the first link 70 are hinged to prevent the third link 90 from being rotated by the weight of the first link 70 and the second link 80. The hinge shaft 71 is fixed to the coupled hinge shaft 71, and the hinge shaft 81 on which the first link 70 and the second link 80 are hinged is coupled to the spring 100, respectively, which is supported on the fixing plate 60. It is preferred to be provided.

In addition, the present invention is preferably fixed to the seat back (1) is further provided with a side bracket 110 is provided with a pin stopper 111 on one side. At this time, the arm 50 is preferably coupled to the pin stopper 111 is moved when folding the seat back (1) and further provided with an arc-shaped long hole 51 to limit the seat back (1) folding.

The folding vehicle recliner of the present invention having the configuration as described above is to reclining and folding the seat back 1 in the following process.

Figure 4 is a side view showing a recliner for a folding vehicle in a neutral state.

Referring to the seatback rear reclining, when the lever 30 is operated in the state of FIG. 4, the first recliner 10 is unlocked, and when the seatback 1 is pushed backwards and continues, the seatback 1 is moved to the seatback 1. The flange 61 of the fixing plate 60 fixed to the fixed arm 50 is caught by the rear catching portion 41b of the base plate, and the seatback 1 is stopped as shown in FIG. 5. .

Referring to the seatback front folding, when the lever 30 is operated in the state of FIG. 4, the first recliner 10 is unlocked, and the seatback 1 is pulled forward. FIG. 6A is a side view showing a state immediately before the seatback 1 is folded with the seatback 1 slightly reclined forward. As shown in the drawing, the seatback 1 is slightly reclined forward, and the first link 70 is caught by the flange 42 of the base plate 40. . In this state, when the seatback 1 is further reclined forward, the first link 70 is caught by the flange 42 of the base plate 40 to be rotated, and the first link 70 is rotated by the first link 70. The second link 80 hinged to the first link 70 is pulled downward, and the third link 90 hinged to the second link 80 is rotated, and the third link 90 is rotated. The second recliner 20 is thereby unlocked so that the seatback is folded forward. At this time, the seatback 1 is caught by the flange 61 of the fixing plate 60 to the front locking portion 41a provided in the front of the base plate 40 to stop the reclining forward. In addition, the seatback 1 has a left end with the pin stopper 111 provided on the side bracket 110 fixed to the seatback 1 moving along an arc-shaped hole 51 formed in the arm 50. Since the movement is restricted in the folding of the seat back is also stopped (see Figure 6b).

As described above, the present invention allows the reclining and folding of the seatback to be continuously operated by one lever operation, thereby reducing the number of parts, reducing the manufacturing cost, and using flanged hooks, links, and flanges. The reclining operation and the folding operation of the seatback can be distinguished from each other, and the load and the life of the recliner can be extended by distributing the load by contacting the engaging portion and the flange with a large area for limiting operation.

Claims (6)

A foldable vehicle recliner comprising a first recliner for reclining a seat back of a vehicle seat and a second recliner for folding a seat back and a second recliner for providing a core assembly. A lever for unlocking the first recliner for reclining the seatback by a pivoting operation to rotate about the core assembly axis; A base plate installed at one side of the lever and fixed to a lower seat, and formed with flanges at one side and other predetermined portions, respectively, and having flanges formed between the latches; Arms fixed to the seatback and respectively engaged with the axes of the core assemblies of the first and second recliners; A fixing plate fixed to the arm and having a flange pivoting between the catches during seatback reclining and hooking the catching portion at the bottom to limit seatback reclining; A first link hinged at an intermediate portion on one side of the fixing plate and rotated by a flange of the base plate when one end thereof is folded back; A second link hinged to the other end of the first link and moved in a rotational direction when the first link is rotated; One end is hinged to the end of the second link and the other end is coupled to the core assembly shaft of the second recliner that folds the seat back to pivot by movement of the second link to unlock the second recliner. Third link; Recliner for folding vehicle, characterized in that consisting of. The method of claim 1, A hinge shaft in which the fixing plate and the first link are hinged to a hinge shaft hinged to prevent rotation by the weight of the first link and the second link, and the first link and the second link are hinged. And recliner for a folding vehicle, characterized in that the spring is further provided on the fixed plate. The method of claim 2, And at least half of a side surface of the locking portion of the base plate is in surface contact with the flange side of the fixed plate. The method of claim 3, wherein The front locking portion that catches the front of the flange of the fixing plate when reclining to the front of the seatback and the rear locking portion which catches the rear of the flange of the fixing plate when reclining to the rear of the seatback are respectively installed in front and rear of the flange of the fixing plate. A folding vehicle recliner, characterized in that. The method according to any one of claims 1 to 4, The side bracket is fixed to the seat back and is provided with a pin stopper on one side, And the arm is coupled to the pin stopper and moved during seatback folding and further comprises an arc-shaped hole to limit seatback folding. The method according to any one of claims 1 to 4, And the first recliner further includes a return spring for returning the lever to its original position.

Images