JPS6148311A - Reclining apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [0AOI] Technical Field] The present invention relates to a reclining device that connects a seat back to a seat cushion so that the rotation angle can be adjusted. The present invention relates to a reclining device that is provided with a front-rear sliding mechanism that causes the seat cushion to fall forward and moves the entire seat forward in conjunction with this.

[Prior art]

Conventionally, in two-door type automobiles, etc., 311! When getting out of the vehicle, a walk-in mechanism is adopted that tilts the front seatback forward and moves the front seat to the frontmost position in the cabin, making it easy to get in and out of the rear seat.・And, such a walk-in mechanism has a configuration in which the IIQ is configured to operate the locking mechanism of the front and rear slide mechanism in conjunction with a reclining device that supports the seat pack so that it can move one by one with respect to the seat cushion. However, there are some problems in this case.

In other words, this type of reclining device is required not only to have a simple structure, excellent moldability and assembly, and low cost.
The seat back can be tilted freely and adjusted at an appropriate angle, the operation is easy, and the locked state can be reliably maintained against the load of the seated person. In response to these demands, a constantly engaged reclining device has been proposed in recent years that employs a locking mechanism that skillfully utilizes a planetary gear mechanism, etc. However, with such a configuration, When tilting the seat back forward toward the front of the seat, it is necessary to rotate an adjustment dial, etc. Therefore, the forward tilting operation of the seat back, which is linked to the fore/aft slide mechanism mentioned above, can be quickly and appropriately performed with one touch. It was impossible to say that it could be done. This is because in conventional reclining devices, even if the sub-plate holding member is rotated to unlock the seat back and tilt it forward, the lock is simply released and the seat bank is This is because no acting force is applied to the seat back, and therefore, the above-mentioned troublesome operation is required to tilt the seat back forward.

[Summary of the invention]

The present invention was made in view of these circumstances, and
A sub-plate holding member is rotatably supported on the base side of a base and an arm that are attached to a seat cushion and a seat back and coaxially supported so as to be rotatable with respect to each other, and this sub-plate holding member is rotatably supported. a sub-plate that is integrated with the base by being locked with the arm and is interposed with a locking mechanism that connects the arm with the arm so that the relative rotation angle thereof can be adjusted; The sub-plate is separated from the base side by the rotational movement of the sub-plate holding member, thereby releasing the locked state, and the rotational movement of the arm that tilts forward to the front of the seat unlocks the front-back sliding mechanism of the seat. With a simple configuration that includes a slide lock release member that allows the seat back to fall forward and seat +
It is now possible to easily and appropriately unlock the rear slide mechanism 1'J, eliminating the need for the conventional troublesome operations.Moreover, it is superior in terms of operability as it can be performed with a single touch, and the overall configuration has been improved. The purpose of the present invention is to provide a reclining device that can provide advantages such as simplifying the system and improving the operational reliability of each part.

[Embodiments of the invention]

Hereinafter, the present invention will be explained in detail using embodiments shown in the drawings.

FIGS. 1 and 2 show an embodiment of a reclining device equipped with a front and rear slide structure according to the present invention. To briefly explain the outline, this reclining device 10 includes a base 11 and an arm 12 that are respectively attached to a seat cushion and a seat back (both not shown) that constitute a seat. These base 11 and arm 12
Circular holes 11a and 12a are formed with different diameters on the same axis (on the seat support shaft), and both are rotatably combined with each other. Further, the base 11
, between arm 12.

A sub-plate 13 is provided which is integrated with or separated from the base 11 side by a sub-plate holding member to be described later, and this sub-plate 13 has a circular hole 13a formed coaxially with the circular holes 11a and 12a. There is.

Internally toothed portions i4 and 15 having different numbers of teeth are formed in the edges of the circular holes 13a and 12a of the sub-plate 13 and the arm 12, respectively, and these are provided with a locking mechanism using a planetary gear mechanism. 6, that is, the mouth/link mechanism 16 is connected at 16 such that the rotation angle can be freely adjusted.
A plurality of planetary gears 1 having eighteenth and second southern portions 17a, 17b meshing with the internal teeth 14.15 described above, respectively.
7, and the two members 13.12 so as to mesh with the teeth of one of the planetary gears 17 (17b in this case).
(Furthermore, 11) is arranged coaxially with the seat reclining style 1! A control gear 18 as a sun gear rotates in accordance with the i operation. This control gear 18 is rotated by manual rotation of an operating knob 20 provided via a connecting plate 20a to an outer end 19a of an operating shaft 19 disposed passing through these members. .

In the figure, 21 is a stabilizer, and 22 is a cover that is disposed on the outer end side of the arm 12 and is attached to the base 11 side with screws 23a and 23b. Further, in this embodiment, as a planetary gear group, a stepped planetary gear group 1 integrally includes a first tooth portion 17a and a second tooth portion 17b.
tl*'t16・ According to such a configuration, the control gear 18 When rotated in a desired direction with the knob 20, each planetary gear 17 rotates, and the internal toothed portion 14 of the sub-plate 13, which is normally integrated with the base 11, becomes the fixed side, and the second The arm 12 having the internal toothed portion 15 that meshes with the toothed portion 17b is rotated, making it possible to freely and steplessly tilt the seat back in a desired direction.

Here, the relative rotation angle of the seat back with respect to the seat cushion is determined by the first and second teeth 17a and 17b of the planetary gear 17, the control gear 18, and the subplate 1.
This is determined by the difference in the number of teeth between the internal teeth 14 and 15 of the arm 12, and may be determined as appropriate.

Furthermore, when the control gear 18 is stopped, the arm 12 is moved between its internal toothed portion 15 and the second and first toothed portions 1 of the planetary gear 17.
7b and 17a, it is meshed with and connected to the internal teeth part 14 of the sub-plate 13 which is integrated with the base 11 side on the fixed part side, and as a result, it is locked in that position.

Now, according to the present invention, in the reclining device 10 having the above-described configuration, the sub-plate holding member 30 is rotatably supported on the arm 12 which is rotatably supported on the same axis as the base 11. ing. This sub-plate holding member 30 is the first and second holding member 30
a, 30b, and its second holding member 30b
This base 11 is locked by locking with the locking claw 31a.
The sub-plate 13 is integrated with the base 11, and the second holding member 30b is rotated in the release direction by the forward tilting operation force transmitted to the first holding member 30a by the wire 32 or the like. By separating the sub-plate 13 from the side and releasing the locked state of the arm 12, the seat back and forth slide mechanism 34 is brought into the unlocked state by the rotating operation of the removal member 33 which falls forward forward of the seat. It has characteristics.

Here, the walk-in mechanism that performs the above-mentioned operation includes a wire 35a that transmits the forward tilted state of the seat back obtained by the slide lock release member 33, and this wire 35a, although detailed explanation thereof will be omitted. The lock lever 35b constitutes a locking mechanism that is moved to unlock the longitudinal slide mechanism 34. In short, it is sufficient that the mechanism for sliding the seat cushion in the longitudinal direction of the seat is unlocked when the seat back is tilted forward, and the entire structure can be moved forward.

In the figure, 36 is a retaining portion formed on the outer periphery of the sub-plate 13 to which the locking pawl 31a of the sub-plate holding member 30 is locked, and 37 is a retaining portion where the sub-plate holding member 30 is always attached in the locking direction. It is a spring that acts as a force. Further, 38 is a stopper that is fixed to the upper part of the arm 12 and limits the rotating range of the seat back with steps 39a and 39b formed on the base 11 side, and 40 is a stopper that is erected on the arm 12 to release the slide lock. an engagement pin that engages with one end of the member 33;
Further, at the other end of this slide lock release member 33 is a pin 41 to which the wire 35a of the walk-in mechanism is locked.
is formed.

In the above-mentioned embodiment, the case where the sub-plate holding member 30 is formed by the first and second holding members 30a and 30b has been described, but these may be formed integrally, and the pin 41 may be provided in the 7-m 12.

According to such a configuration, by manually rotating the sub-plate holding member 30, the locked state of the sub-plate 13 is released and the sub-plate 1 is released.
3 is separated from the base 11 side to be in a free state. Then,
The arm 12 connected to the sub-plate 13 via the locking mechanism 16 is in an unlocked state, and the seat is tilted forward. This forward tilting movement of the arm 12 is performed by the slide lock release member 33 using the engagement pin 40.
is rotated counterclockwise in the figure, thereby operating the lock lever 35b using the wire 35a.

Furthermore, when the seat pack is raised, the arm 12 and the sub-plate 13 rotate in the opposite direction to that described above, and when they reach the position corresponding to the locking claw 31a of the 1m sub-plate holding member 30, they return to the original angle of inclination. The device will be in a locked state. Here, if the above-mentioned walk-in mechanism includes a memory mechanism, the seat cushion will similarly move to the rear of the seat and return to its original state.

Note that the present invention is not limited to the structure of the embodiment described above, and the shape and structure of each part may be modified and changed as necessary. For example, the internal teeth of the sub-plate 13 and the arm 12 14.15 are formed with the same tip circle and different numbers of teeth, and each internal tooth portion 14.1
5 may be meshed with a planetary gear 17 having first and second toothed portions 17a, 17b, and the first and second toothed portions 1 meshed with the internal toothed portion 14.15 of the planetary gear 17.
A planetary gear consisting of a simple spur gear in which 7a and 17b are formed with the same number of teeth may be used. In addition, the number of teeth of each tooth portion, the size of the tip circle, the number of planetary gears, etc. mentioned above are selected as necessary, and are subject to restrictions.
It will also be clear that it is preferable to mesh the H gear 18 with either the first or second tooth portion of the M star gear 17.

Furthermore, in the reclining device configured as described above,
By installing the left and right connecting shafts at the center of rotation,
It can be easily used as a bilateral reclining device. Further, the reclining device according to the present invention includes:
The present invention is not limited to a manual type, but may be a power type using a motor, for example, and can be applied to a vehicle seat other than the above-described embodiment to exhibit its effects.

〔Effect of the invention〕

As explained above, according to the reclining device according to the present invention, the sub-plate holding member is attached to the base side of the base and the arm that are attached to the seat cushion and the seat pack and are rotatably supported with respect to each other on the same axis. is pivotally supported for rotational operation, and is integrated with the base by being locked by this sub-plate holding member, and the relative rotation angle between these and the arm can be adjusted. A sub-plate is provided with a connecting locking mechanism, and when the sub-plate is separated from the base side by rotation of the sub-plate holding member, the locked state is released and the seat falls forward. A slide lock release member is provided that unlocks the seat back and forth slide mechanism by the rotation of the arm, so the sub-plate holding member can be easily rotated despite its simple and inexpensive configuration. It is now possible to easily and appropriately obtain the seat pack's forward tilted state and the unlocked state of the seat longitudinal slide mechanism by operation.
It is superior in terms of operability as it eliminates the need for the troublesome operations of conventional methods, and can be performed with a single touch.It is also reasonably superior in terms of practicality, as the overall structure is cylindrical and the operational reliability of each part can be improved. It has a positive effect.

In addition, in the present invention, the locking mechanism of the reclining device is constructed by skillfully utilizing a planetary gear mechanism, and by further combining this with a motor etc., it is simple, has a small number of parts, is small, lightweight, and compact. Despite its configuration, the seat back can be adjusted steplessly in the desired direction with a simple operation, and the seat back can be easily and reliably adjusted at that adjustment position without wobbling. It has the advantage that it can be locked, thereby improving the operational performance of the front and rear slide mechanism.

[Brief explanation of the drawing]

FIG. 1 is a schematic exploded perspective view showing one embodiment of a reclining device according to the present invention, and FIG. 2 is a schematic side view showing only the main parts thereof in an enlarged manner. In the figure, 10. Reclining device, 1111. Base, 12.-Arm, 13. Sub plate, 1
4.15---Internal gear part, 16---Lock mechanism, 17・
・・Planetary gear, 18... system (, 1″i′・ 19°°
°Operation 1 axis/20°°°Operation 1' block, 30...Sub plate holding member, 31a* working/locking claw, 32...Wire for forward tilt operation force transmission, 33...Slide lock release Members, 34... Front and rear sliding mechanism, 40... also retaining pin, 41... pin.

Claims (1)

[Claims] A base and an arm that are respectively attached to a seat cushion and a seat back and are rotatably supported by each other on the same axis, a sub-plate holding member rotatably supported on the base side, and this sub-plate holding member. a sub-plate that is integrated with the base by being locked by a member and is interposed with a locking mechanism that connects the arm with the arm so that the relative rotation angle thereof can be adjusted; The sub-plate is separated from the base side by the rotation of the sub-plate holding member, thereby releasing the locked state, and the rotation of the arm that tilts forward forward of the seat unlocks the seat's longitudinal sliding mechanism. A reclining device comprising: a slide lock release member.