KR200291426Y1 - Recliner for vehicle - Google Patents

Abstract

The present invention relates to a vehicle recliner, and is connected and fixed to the lower fixing piece (2) connected to the seat fixing base (1) for fixing the seat which is the main skeleton forming the seat, cam 60 and the first, second First and second support members 23 and 24, which can accommodate and support the lock gears 40 and 50, are formed symmetrically about an axis, respectively, and an upper operation member having an operation pin guide groove 22 formed therein. 20; A lower operating member 30 fixed to the upper fixing piece 4 formed to secure the back seat while facing the upper operating member; An actuating cam 60 interposed between the upper actuating member 20 and the lower actuating member 30 by a fixed shaft 70; External tooth 41, 51, first support member contact surfaces 42, 52, second support member contact surfaces 43, 53, first cam contact surfaces 44, 54, and second cam contact surface 45. And 55, the first and second rock gears 40 and 50 are inserted and fixed between the lower actuating member 30 and the actuating cam 60, and are configured to rotate the actuating cam 60. As a result, the first and second lock gears 40 and 50 lock or unlock the lower operation member 30.

The first support member 23 of the upper operating member 20 has a support surface 23-1 having a rounded outer surface and a first rotating protrusion 23-2 protruding downward from the center thereof. The second support member 24 has a tapered support surface 24-1, and a central second rotary protrusion 24-2 protruding downward from the center thereof, wherein the first rotary protrusion 23- 2) is formed longer than the second rotary protrusion 24-2, the lock gear first contact surface 64 and the lock gear second contact surface 65 of the cam 60 and the first of the lock gears 40 and 50; When the two cam contact surfaces 44 and 45 are interviewed, the lock gears 40 and 50 are engaged with the internal teeth 33 of the lower operation member 30.

Therefore, the present invention has the two lock gears are symmetrically sandwiched between the cam and the lower operating member, and the two lock gears are fitted to the circular inner gear, respectively, so that play can be suppressed and mismatching is prevented. Not only that, but the structure is simplified, the total number of parts is reduced, the assembly time can be shortened, as well as the manufacturing cost will be reduced.

Description

Recliner for vehicle

The present invention relates to a recliner formed in the interior of an automobile seat, and in particular, two lock gears are symmetrically sandwiched between a cam and a lower operating member, and the two lock gears are engaged with a circular internal tooth respectively. In addition, the present invention relates to a vehicle recliner that can suppress the occurrence of play and prevent mismatching.

In general, a car is provided with a seat for a driver or a rider to sit comfortably, and inside the seat, a seat fixing base operated by a lever is operated forward and backward to pull or push the seat forward or backward to adjust the width of the seat. It is possible to sit in the adjusted state, and the recliner is configured at the rear of the seat fixing base so that the backrest can be rotated left and right, and the seat is used to adjust the angle according to the driver's or rider's body shape or constitution. It is intended to be used.

Here, the recliner is installed only in one direction with the operating lever in most cases, so in the event of a collision, the recliner side is stopped while the seat is moved forward, and only the opposite side is pushed forward to generate rotational force about the recliner side. When the body is pushed forward, the sheet has a problem that the repulsion and rotational force is generated.

The recliner provided in view of the above problems is provided with a seat fixing base 1 fixed to both sides of a sheet (not shown) shown in FIG. 4, and a lower fixing piece behind the seat fixing base 1. (2) is fixed, and the lower fixing piece (2) is fixed to the upper fixing piece (4) capable of adjusting the rotation of the back seat sheet. In addition, the main side (6) of one side is provided with an operating lever (10) for adjusting the locking means (5), the cable (8) on the sub-side (7) to be interlocked with the main side (6) The cable 8 is configured to operate the link 9 to interlock with the main side 6 on the sub side 7.

However, since the recliner is interlocked by the tension of the cable 8 connecting the main side 6 and the sub side 7, there is a hassle that needs to be precisely adjusted when assembling the cable 8, and in the event of a collision When the cable 8 is impacted, the fixing force of the recliner of the sub side 7 is released, so that only the recliner of the main side 6 is operated, so that the rotational force of the sub side 8 about the main side 7 is reduced. There was a problem that occurred.

The recliner shown in FIG. 5 is conceived in view of the problems of the recliner shown in FIG. 4, and the lower fixing piece 2 is fixed to the seat fixing base 1, and the lower fixing piece 2 has a backrest. The upper fixing piece 4 which can control the rotation of the sheet is condensed. In addition, the recliner on one side of the cam 13 is operated by the operation lever 10 to operate the lower gear 12 so that the rotation of the backrest seat can be adjusted, and the other recliner is connected to the connecting shaft 14. It is connected so that the recliner can be operated by the link 15. In addition, the seat fixing base 1 has a nut hole 16 formed adjacent to the lower fixing piece 2 to fix the seat belt 17.

Here, the recliner has a problem that the production cost is raised while the structure is too complicated and difficult to assemble, and also the nut hole for fixing the seat belt is formed forward by the structure of the lower fixing piece, for safety in case of collision There was a problem that the installed seat belt does not play a sufficient role.

Thus, a technique conceived to solve the problem as described above is a recliner shown in Figs. 6 and 7, the recliner is blanking (blanking) to operate the lock gear 500 inside the upper operating member (300). Rock gear guide groove 320 formed by the processing method; An internal tooth 340 formed to be engaged with the lock gear 500 at the lower end of the lock gear guide groove 320 by the processing method; A lock gear operating groove 420 formed into the lower support member 400 by the blanking processing method; An internal tooth 450 formed at a lower end of the lock gear operating groove 420 by the processing method; A reinforcing piece 440 protruding from the lower support member 400 to be inserted into the lock gear guide groove 320 of the upper operating member 300; A lock gear 500 which is operated up and down by the operation cam 600 in the lock gear operation groove 420 of the lower support member 400; A cam hole 540 having an upper surface 560 and a lower surface 580 formed inside the lock gear 500; An upper surface 560 contacting the upper end 620 of the operation cam 600 on the cam hole 540 of the operation cam 600; A lower surface 580 which is in contact with the lower end 640 of the operation cam 600 under the cam hole 540 of the operation cam 600; An operation cam 600 operated up and down in the cam hole 540 of the lock gear 500; The upper and lower portions 620 and 640 are formed on the upper and lower portions of the operation cam 600.

Here, the upper operating member and the lower supporting member are firmly fixed by being locked by the lock gear, and both sides of the lock gear are guided by the lock gear guide groove of the upper operating member and the lower support member even when impact force is generated during front and rear collisions. Since it is operated in the working groove to reduce the left and right twisting phenomenon than the conventional one can prevent the breakage of the lock gear a little, the lock gear 50 and the operation cam 60 is fixed in the lower support member 40 By being actuated by the shaft 70, play occurs in the lock gear and the actuating cam, which leads to problems leading to noise and vibration.

In addition, since the inner tooth 45 of the lower support member 40 and the inner tooth 34 of the upper operating member 30 are half-fitted to one outer tooth 52, the assembling work becomes difficult. , May be an inconsistent value, and this causes a disadvantage of noise and vibration.

The present invention is designed to solve the above problems, the two lock gears are symmetrically sandwiched between the cam and the lower operating member is fixed, by engaging each of the two lock gears in a circular internal tooth. It is an object of the present invention to provide a vehicle recliner that can suppress the occurrence of play and prevent mismatching.

1 is an exploded perspective view of the recliner according to the present invention,

2 is a perspective view of a lower operating member as a component of a recliner according to the present invention;

3 is a perspective view of an upper operating member that is a component of a recliner according to the present invention;

Figure 4 is a cross-sectional view of the recliner coupled state according to the present invention,

5 is a plan view showing a locked state of the recliner according to the present invention,

Figure 6 is a plan view showing a state in which the recliner according to the present invention is released,

7 is a conventional technology, a perspective view showing a state in which a cable is connected to both side links,

8 is a conventional technology, a perspective view showing a state in which the connecting shaft is connected to both side links,

9 is a prior art, an exploded perspective view of the recliner corresponding to FIG.

10 is a perspective view illustrating a state in which the recliner of FIG. 9 is assembled to the lower fixing piece according to the related art.

* Description of the symbols for the main parts of the drawings *

10 --- working lever, 11 --- tensioning spring,

20 --- lower operating member, 21, 31, 61 --- shaft,

22,34 --- operating pin guide groove, 30 --- upper operating member,

32 --- spring retaining pin, 33 --- inner tooth,

35,36 --- Revolving projection, 37 --- Inner accommodation,

40 --- first gear, 41 --- outer gear,

50 --- 2nd gear, 51 --- external gear

60 --- cam, 70 --- fixed shaft,

80 --- spring.

The present invention for achieving the above object is characterized by.

Hereinafter, with reference to the accompanying drawings of the present invention will be described in detail.

1 is an exploded perspective view of the recliner according to the present invention, Figure 2 is a perspective view of a lower operating member that is a component of the recliner according to the present invention, Figure 3 is an upper operating member that is a component of the recliner according to the present invention 4 is a perspective view of the recliner coupled state according to the present invention. As shown, the recliner of the present invention includes an upper actuating member 20 connected to and fixed with a lower fixing piece 2 connected to a sheet fixing base 1 for fixing a sheet which is a main frame forming a sheet; A lower operating member 30 fixed to the upper fixing piece 4 formed to secure the back seat while facing the upper operating member; An actuating cam 60 interposed between the upper actuating member 20 and the lower actuating member 30 by a fixed shaft 70; The first and second rock gears 40 and 50 are inserted and fixed between the lower actuating member 30 and the actuating cam 60, and the first and second rock gears are formed by the rotation of the actuating cam 60. 40, 50 is to lock or unlock the lower operating member (30).

Here, the upper operation member 20 and the lower support member 30 are fixed to the fixed shaft 70 to control the rotation of the backrest seat, and the cam 60 and the first inside the upper operation member 20. The first and second support members 23 and 24, which can accommodate and support the two lock gears 40 and 50, are formed symmetrically with respect to the axis, respectively, and the operation pin guide grooves 22 are formed on the inner side to operate the first and second support members 23 and 24. The lever actuation pin 62 of the cam 60 is inserted, and this actuation pin 62 rotates the link (not shown) back and forth.

In addition, the first support member 23 has a support surface 23-1 having a rounded outer surface, and a first rotating protrusion 23-2 protruding downward from a central portion thereof, and a second support member ( 24 is a tapered support surface 24-1, and a circular second rotating protrusion 24-2 protruding downward is formed at the center thereof. Here, the first rotating protrusion 23-2 is formed longer than the second rotating protrusion 24-2.

On the other hand, the lower actuating member 30 is to adjust the rotation angle of the backrest seat, and to lock or unlock the seat via the first and second lock gears 40 and 50, the lower actuating member 30 The shaft hole 31, the spring fixing pin 32, the inner tooth 33, the operation pin guide groove 34, the first and second rotary projection receiving grooves (35, 36), the inner receiving portion 37 is formed The fixed shaft 70 is fitted into the shaft hole 31, and the fixed piece 82 of the spring 80 is fitted into the fixed shaft 70 so that the fixed shaft 70 always generates rotational force in one direction. Done.

In addition, the inner tooth 33 is formed integrally by a precision blanking process to form an inner receiving portion 37 which is a stepped space as the tooth is formed. An operation cam 60 and two first and second lock gears 40 and 50 are accommodated in the inner accommodating part, and the first and second rotation protrusion accommodation grooves 35 and 36 are formed in the rotation protrusion 23-. 2, 24-2 are fitted, respectively, the upper operating member 20 is assembled to the lower operating member 30, the depth of the first rotary projection receiving groove 35 is the second rotary projection accommodation groove (36) It is formed deeper, whereby the rotary projection (23-2) can be rotated only in the first rotary projection receiving groove 35, it is no longer rotated.

The first and second lock gears 40 and 50 fix the upper operating member 20 to the lower operating member 30 to prevent the sheet from moving. The first and second rock gears 40 50 are external teeth 41 and 51 meshed with internal teeth 33 of the lower operating member, first support member contact surfaces 42 and 52, second support member contact surfaces 43 and 53, and First cam contact surfaces 44 and 54 and second cam contact surfaces 45 and 55 are formed.

The actuating cam 60 is provided with a shaft hole 61, a lever actuating pin 62 fixed to the pinhole 63, a lock gear first contact surface 64, and a lock gear second contact surface 65. By the operation of the lever 10 is rotated through the fixed shaft 70, at this time, the first and second rigidly fixed by the operation cam 60 and the first and second support members 23 and 24 As the lock gears 40 and 50 are loosened, the engagement between the inner tooth 33 of the lower operating member and the outer teeth 41 and 51 of the lock size is released. The gear is firmly fixed between the actuating cam 60 and the first and second supporting members 23 and 24, and the engagement between the inner tooth 33 of the lower actuating member and the outer tooth 41 and 51 of the lock gear is fixed. Formed and locked.

The fixed shaft 70 is fitted into the shaft hole 31 of the lower operating member 30, and the operating lever 10 is fixed to one side thereof so as to be rotatable, and the insertion groove 72 is provided on the other side of the fixed shaft 70. Is formed and the fixing piece 82 of the spring 80 is inserted and fixed, the locking piece 81 of the spring 80 is caught across the spring fixing pin 32 of the lower operating member 30, the lower operating member 30 Is to ensure that the elastic force is always forward.

Meanwhile, the first and second rock gears 40 and 50 are rotated while descending the guide surface of the actuating cam 60 with arbitrary shafts to engage with the internal gear 33 of the lower actuating member, thereby locking or It is formed to be unlocked.

When the recliner of the present invention configured as described above adjusts the front and rear angles of the back seat, that is, when the operating lever 10 is lifted upward, the operating lever 10 is centered on the fixed shaft 70. The lever actuating pin 62, which is rotated and fixed to the actuating lever 10, rotates clockwise around the fixed shaft. At this time, the first cam contact surface 44 of the first and second lock gears 40 and 50 is rotated. 54, the outer gears 41 and 51 of the first and second lock gears 40 and 50, while the lock gear first contact surface 64 and the lock gear second contact surface 65 of the cam 60 are in contact with each other. The engagement with the inner tooth 33 of the lower operation member 30 is released and the binding force is released.

In addition, when the actuating cam 60 is rotated by the actuating lever 10, one link (not shown) and the other link are rotated simultaneously by the link actuating pin 63 of the actuating cam 60. The link on the other side rotates the link actuating pin 62 and the actuating cam 60 to the front, and also locks the first and second lock gears 40 and 50 fixed by the actuation of the actuating cam 60. It will fall, and also release the binding force with the lower operating member (30).

Meanwhile, when the operating lever 10 is raised, the tension spring 11 fixed to the spring fixing pin 25 of the upper operating member 20 is elongated, so that the force to return the operating lever 10 to its original state is always maintained. do.

The isotropic seat is moved forward and backward in the state where the mutual binding force between the upper actuating member 20 fixed to the seat fixing base and the lower actuating member 30 fixed to the backrest seat is released to adjust the proper forward and backward angles. Then, when the actuating lever 10 is released, the actuating lever 10 is lowered by the return force of the tension spring 11 which has been extended, and at the same time, the lever actuating pin 62 of the actuating cam 60 is In the reverse order of rotation, the fixed cam 70 is rotated to rotate the actuating cam 60. At this time, the actuating cam 60 and the first and second supporting members 23 and 24 are rotated. 2 As the lock gears 40 and 50 are pushed outwardly, the outer gears 41 and 51 of the lock gears 40 and 50 are engaged with the inner teeth 33 of the lower support member 30. The back seat is firmly fixed without shaking.

According to the present invention described in detail as described above, two lock gears are symmetrically sandwiched between the cam and the lower operating member and fixed, and the two lock gears are engaged with a circular inner tooth, respectively, thereby generating play. It can suppress and have an effect which can prevent mismatch. In addition, as the structure is simplified, the total number of parts is reduced, thereby shortening the assembly time and reducing the manufacturing cost.

Claims (3)

In the vehicle recliner, the connection is fixed to the lower fixing piece connected to the seat fixing base for fixing the seat, which is the main frame forming the seat, and accommodates the cam 60 and the first and second lock gears 40 and 50. First and second support members 23 and 24 that can be supported are symmetrically formed about an axis, respectively, and an upper operation member 20 having an operation pin guide groove 22 formed therein; A lower operating member 30 fixed to the upper fixing piece 4 formed to secure the back seat while facing the upper operating member; An actuating cam 60 interposed between the upper actuating member 20 and the lower actuating member 30 by a fixed shaft 70; External tooth 41, 51, first support member contact surfaces 42, 52, second support member contact surfaces 43, 53, first cam contact surfaces 44, 54, and second cam contact surface 45. And 55, the first and second rock gears 40 and 50 are inserted and fixed between the lower actuating member 30 and the actuating cam 60, and are configured to rotate the actuating cam 60. And the first and second lock gears (40, 50) lock or unlock the lower operating member (30). According to claim 1, wherein the first support member 23 of the upper operation member 20 has a support surface (23-1) rounded the outer surface, and the first rotating projection (23-) protruding downward in the center thereof 2) is formed, the second support member 24 is a tapered support surface (24-1), and a circular second rotary protrusion (24-2) protruding downward in the center thereof is formed, The first revolving projection (23-2) is longer than the second revolving projection (24-2) characterized in that the vehicle recliner. The lock gear first contact surface 64 and the lock gear second contact surface 65 are formed in the cam 60, and the lock gear first and second contact surfaces 64 and 65 and the lock gear 40 and the lock gear 40, respectively. When the first and second cam contact surfaces 44 and 45 of 50 are interviewed, respectively, the lock gear 40 and 50 engage with the internal gear 33 of the lower operation member 30. Liner.