JPS60244631A - Seat device in automobile - Google Patents

Abstract

PURPOSE:To facilitate the spring-up of a seat cushion without deteriorating the confortability of seating, by standing up seat cushion after the seat cushion is moved forward of a vehicle body to ensure the length of the seat cushion. CONSTITUTION:A lock pin 17 on a braket 16 is engaged in a guide groove 15 formed in a guide plate 14 attached to the lower surface of a seat cushion 2, and is further engaged with the pawl section 22 of a lock lever 20 to establish a first lock member 18. A second lock member 25 composed of a base plate 25b formed therein with an engaging groove 25a for a striker, a hook lever 25c adapted to be engaged with the striker and a spring 25d urging the hook lever 25c, is attached to the one lateral surface of a seat back.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a seat device used as a rear seat in a hatchback type vehicle, one box type vehicle, or the like, in which a compartment is formed behind the rear seat.

(Prior Art) Conventionally, as shown in Japanese Utility Model Publication No. 58-49873, seat devices for automobiles of this type have conventionally included a seat cushion whose front portion is attached to the floor surface of the vehicle body so as to be able to stand up freely, and a lower end portion. is provided with a seat consisting of a seat back that is attached to the floor surface of the vehicle body so that it can be folded forward, and is provided with a locking member that holds the seat cushion and seat back of the seat in positions where the seat can be seated. By unlocking the link member, the seat cushion is lifted up, the seat back is folded forward into the space where the seat cushion was, and the seat is automatically folded to expand the luggage compartment behind the seat. is known.

However, according to the above-mentioned conventional system, the seat cushion is only attached so that it can be raised freely around its front part, so when the seat cushion is raised up,
The rear end and the lower end of the seat back interfere with each other, making it difficult to flip up the seat back. In order to avoid this, it is necessary to reduce the depth of the seat cushion, but this has the trade-off problem that the shallower the depth of the seat cushion, the less comfortable it is to sit on.

(Problems to be Solved by the Invention) The present invention has been made in view of the above points, and its purpose is to improve the mounting structure of the seat cushion to the vehicle body, and to fix the seat cushion to the vehicle body. The object is to ensure a sufficient depth of the seat cushion by performing a standing operation after moving forward, and to easily perform a flip-up operation of the seat cushion without impairing sitting comfort.

(Means for Solving the Problems) In order to achieve the above object, the solution of the present invention is to provide a seat that is mounted so as to be freely erectable on the floor surface of the vehicle body via a rotational movement member provided at the front part. A seat consisting of a cushion and a seat back whose lower end portion is attached to the vehicle body so as to be foldable forward;
A pick member and a guide member for sliding the seat cushion toward the front of the vehicle body when the tenth hook member is released, and the seat cushion is moved to the front of the vehicle when the tenth hook member is released, and then the seat cushion is raised. This is what I did.

(Function) Due to this, in the present invention, under normal conditions, the sheet is
．． It is held in a position where it can be seated by the second locking members to serve as a passenger seat. On the other hand, when folding the seat in order to expand the luggage compartment behind the seat, etc., release the 10th hook member and slide the seat cushion forward using the guide member to a position where it does not interfere with the seat back.
Jump forward so that you are standing up, and the 20th
The locking member is released and the seat back is folded forward to the position where the seat cushion was located.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

1 and 2 show a first embodiment of the present invention.
In the figure, reference numeral 1 denotes a foldable seat that constitutes the rear seat of a hatchback or one-box type automobile.
It consists of Further, a luggage compartment R for storing luggage is formed behind the seat 1.

The seat cushion 2 is attached to the vehicle floor 5 so as to be able to stand upright via a rotation member 4 provided at the front thereof. -That is, this rotational movement member 4 is
Brackets 6 fixed to both left and right sides of the vehicle floor surface 5.
6 (only one shown), a bracket 7.7 (only one shown) fixed to the front end of the lower surface of the seat cushion 2, and both brackets 6.7 are connected via a support pin 8.9. - A stopper portion 11 is provided at the lower end of the bracket 7 to abut against the hinge 10 and restrict rearward movement relative to the hinge 10.
is formed, and when the seat cushion 2 moves forward, until the stopper parts 11 of the brackets 1 to 7 come into contact with the hinge 10, the hinge 10 is linked and the seat cushion 2 is slid forward, and the stopper After the portion 11 contacts the hinge 10, the seat cushion 2 and the hinge 1
By integrating the seat cushion 2 with the seat cushion 2, the seat cushion 2 rotates forward about the support bin 8, thereby raising the seat cushion 2 into an upright position. Then, the bracket 1 is attached to the center of the hinge 10 and the bottom of the seat cushion 2.
A spring 13 is suspended between the seat cushion 2 and the seat cushion 2, and the tension spring force of the spring 13 urges the seat cushion 2 forward.

In addition, guide plates 14 projecting downward from the seat cushion 2 are provided on both left and right sides of the rear end of the lower surface of the seat cushion 2.
．． 14 (only one of which is shown) is shown, and each guide plate 14 has a guide groove 15 formed by cutting the guide plate 14 horizontally forward from its rear end. On the other hand, a bracket 16 is fixed to the floor surface 5 that substantially corresponds to each guide plate 14, and a lock bin 17 that engages with the guide groove 15 is attached to the bracket 16.
is attached, and as shown by the arrow in the figure, when the seat cushion 2 is lifted up, the seat cushion 2 can be slid forward when the lock pin 17 is engaged with the guide groove 15, The lock bin 17 is the guide groove 1
The seat cushion 2 can be lifted up from the time when it escapes from the lock pin 17 and the guide groove 15 is no longer engaged. Therefore, each of the guide plates 14 constitutes a guide member that guides the seat cushion 2 toward the front of the vehicle body when the first lock member 18 (described later) is released.

Further, an abbreviated lock lever 20 is swingably supported on the outer surface of one of the guide plates 14 with the support bin 19 as an axis, and the lock lever 20 is operated to extend in the F direction from the seat cushion 2. 21, and a hook-shaped claw portion 22 that can be engaged with the lock bin 17,
With each lock pin 17 fitted into the inner part of the guide groove 15 of each guide plate 14, that is, with the seat cushion 2 in a position where the seat can be seated, rotate the lock lever 20 in the clockwise direction as shown in the figure. A tenth hook member 18 is configured to be held by operating the hook portion 22 of the tenth hook member 18 to engage with the lock pin 17.

On the other hand, brackets 23, 23 (only one is shown) are attached to both left and right sides of the lower end of the seat back 3, and each bracket 23 is rotatably connected to a rotating bin 24 protruding from the vehicle body. Therefore, the seat back 3 is attached to the vehicle body so that it can be folded forward. Furthermore, a twentieth hook member 25 is provided on one of the left and right sides of the seat back 3 to hold the seat back 3 in a seatable position. The 20th hook member 25 includes a base plate 25b having an engagement groove 25a into which a striker (not shown) provided on the vehicle body enters from the rear end, a hook lever 25C that can be engaged with the striker, and the hook. Lever 25G
When the seat back 3 is in a seatable position and the striker is engaged with the engagement 1m 25a of the base plate 25b, the striker is hooked to the spring 25d. By engaging the lever 25c, the seat back 3 is held in a position where the user can sit.

Thus, the seat 1 is configured such that when the tenth hook member 18 is released, the seat cushion 2 is moved toward the front of the vehicle and then erected.

Note that 26 and 27 are stoppers that restrict the rotation range of the lock lever 20, and 28 is a spring that biases the lock lever 20 in the engagement direction, that is, in the clockwise direction in the figure.

Next, to explain the operation of the above embodiment, the luggage compartment R
When folding the seat in order to increase the size of the seat, first, as shown in FIG.
After disengaging the lock pin 17 from the lock pin 17 and unlocking the tenth lock member 18, in this state, the lock lever is
20 and pull the seat cushion 2 toward the front of the vehicle.
As shown in FIG. 3, the seat cushion 2 slides forward as the lock pin 17 moves along the guide groove 15 of the guide plate 14. As shown in FIG.

Then, when the lock pin 17 is pulled out from the guide groove 15 and the two are disengaged, the seat cushion 2
Jumping operation becomes possible. At this time, the stopper portion 11 at the tip of the bracket 7 comes into contact with the hinge 10 to restrict rearward rotation of the seat cushion 2 about the support pin 9. When the lock lever 20 is further pulled forward, the seat cushion 2 rotates forward together with the hinge 10 about the support bin 8 until it stands up against the floor surface 5.
It is held in the upright position. After that, hook lever 25
After releasing the 20th hook member 25 by pressing down on the seat cushion 2, the rate back 3 is folded forward on the floor surface 5 where the seat cushion 2 was located, with the rotation bin 24 as an axis, and the back surface is placed on the floor surface 5 where the seat cushion 2 was located. ° It is maintained in a state where it is aligned with the floor surface 5 of room R.

On the other hand, when setting the sheet, the reverse operation to the above-mentioned folding operation may be performed. That is, first, the seat back 3 held on the floor surface 5 is rotated to a position where the user can sit at the rear of the vehicle body, and is locked in that position by the 20th lock part 25. Thereafter, the seat cushion 2 held in the forward upright position is rotated rearward, and the lock pin 17 is engaged with the guide groove 15 of the guide plate 14.
Thereafter, when the seat cushion 2 is pushed toward the rear of the vehicle body, the claw portion 22 of the lock lever 20 engages with the lock pin 17 by the biasing force of the spring 28, and the seat cushion 2 is automatically locked and held in a seatable position.

Therefore, according to the above embodiment, when the seat is folded, the seat cushion 2 is first slid forward and then raised to the front of the vehicle body, so that even if the depth of the seat cushion 2 is increased, When the seat cushion 2 is raised, the seat back 3 does not get in the way and the two do not interfere with each other, so that the operability of raising the seat can be improved without sacrificing the sitting comfort of the seat.

Fig. 4 shows a second embodiment of the present invention, in which the 10th hook member is an electromagnetic type (the same parts as in Figs. 1 to 3 are given the same reference numerals). (The explanation will be omitted.)

That is, a spring 29 that biases the hinge 10 in the forward rotation direction is wound around the support pin 8 of the bracket 6 constituting the rotation movement member 4. A bracket 30 is attached to the rear end of the lower surface of the seat cushion 2, and a lock bin 17' is protruded from the bracket 30. On the other hand, a guide plate 14' having a guide groove 15' that engages with the lock bin 17' and slides the seat cushion 2 in the longitudinal direction of the vehicle body is attached to the floor surface 5. Contrary to the first embodiment, it is open to the front of the vehicle body. On the outer surface of the guide plate 14', an inverted-shaped engagement piece 31 is swingably supported around a support bin 32, and one end of the retaining piece 31 is attached to the guide A claw portion 22' that engages with the lock pin 17' fitted in the east end of the groove 15' is formed, and a drive shaft 34 of a solenoid 33 is connected to the other end. 31 to lock and release the seat cushion 2 to a position where the seat cushion 2 can be seated, and when locking, rotate the engaging piece 31 counterclockwise to lock the claw 22' into the lock bin 1.
7', while when unlocking, the engaging piece 31
The tenth claw member 18 is rotated clockwise to disengage the claw portion 22' from the lock pin 17'.
' is constructed.

Therefore, also in the second embodiment, when the seat cushion 2 is raised up, the seat cushion 2 is moved forward once and then operated to stand up.
There is no interference between the solenoid 33 and the seat back 3, and the same effects as in the first embodiment can be achieved.
As a result of this operation, the tenth claw member 18' is unlocked, and at the same time as the lock is released, the seat cushion 2 is slid toward the front of the vehicle body by the biasing force of the spring 29. Therefore, the flip-up operation of the seat cushion 2 is performed in a series of operations. This has the advantage of further improving seat flip-up operability.

In the above embodiment, as the tenth locking member, the lock bin 17.
17' is lock-engaged with the guide plate 14.14' to hold the seat cushion 2 in the seating position.As shown in FIG. The inner upper and lower walls of the guide groove 15'' are made to protrude inwardly, and an O-tsukbin 1 is inserted into the inner part of the guide groove 15''.
By forming a catch part 35 for inserting the seat cushion 2, attaching an operating band 36 to the upper surface of the rear end of the seed cushion 2, and inserting a lock pin 17" into the catch part 35, the seat cushion 2 can be moved to a seatable position. While pressing down on the seat cushion 2, hold the operation band 36 and
A tenth hook member 18'' may be used, which unlocks the seat cushion 2 by pulling the lock bin 17'' toward the front of the vehicle and disengaging the lock bin 17'' from the catch portion 35h).

(Effects of the Invention) As described above, according to the automobile seat device of the present invention, the operation of raising the silt cushion when folding the seat is performed by moving the seat cushion once toward the front of the vehicle body and then raising it up. Therefore, while ensuring sufficient depth of the seat cushion to provide good seating comfort, it also prevents contact with the seat pack when raising the seat traction.
Therefore, it is possible to improve both the comfort of the seat and the operability of flipping up the seat.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the present invention.
The figure is a side view showing the overall configuration, Figures 2 and 3 are explanatory diagrams of the operation when raising the seat cushion, Figure 4 is a side view of the main parts of the second embodiment, and Figure 5 is another diagram. FIG. 3 is a side view of main parts according to the embodiment. 1... Seat, 2... Seat cushion, 3...
Seat back, 4... Rotation operating member, 5... Vehicle floor surface, 14... Guide plate) ~, 14'... Guide plate, 15... Guide groove, 15'... Guide groove , 17 river lock bin, 17'... lock bin, 1
7″...Lock bin, 18...10th hook member, 1
8'...10th hook member, 18''...10th hook member, 20...Lock lever 122...Claw portion, 25...
...20th hook member, 31...engaging piece, 33... solenoid, 35... key 1z joint part.

Claims (1)

[Claims] (1) Consists of a seat cushion that is attached to the vehicle floor so that it can stand up freely via a rotating member provided at the front, and a seat back whose lower end is attached to the vehicle body so that it can be folded forward. The seat 1- is provided with a tenth hook member that holds the seat cushion in a seatable position, a twentieth hook member that holds the seat back in a seatable position, and a tenth hook member that holds the seat back in a seatable position. A guide 14 member is provided for sliding the seat cushion toward the front of the vehicle body when the tenth claw member is released, and the seat is operated to stand up after the seat cushion is moved toward the front of the vehicle body when the tenth claw member is released. An automobile seat device comprising: