JPH0759632A - Seat structure for vehicles - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the cushion body from interfering with the interior of the vehicle by setting the center of rotation of the cushion body at a low position. [Structure] A seat cushion 2 in which a cushion main body 5 is arranged above a cushion frame 4, and a seat back 3 attached to a rear end portion of the seat cushion 2. The cushion main body 5 of the seat cushion 2 is connected to a front end portion. In a vehicle seat structure that is rotatably mounted forward on the cushion frame 4, the center of rotation of a hinge mechanism 6 that supports the cushion body 5 on the cushion frame 4 is below the upper end of the cushion frame 4. In addition, it is arranged behind the front end of the cushion body 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat structure in which a cushion container is pivoted forward to provide a storage container in a lower space of the cushion body. The present invention relates to a vehicle seat structure that prevents contact with a door armrest and prevents the cushion body from falling backward when the cushion body is opened.

[0002]

2. Description of the Related Art In vehicles such as automobiles, since the indoor space is limited, the storage of luggage is naturally limited. Therefore, for example, some automobiles use the space under the seat.

FIG. 13 shows a seat structure in which a storage space is provided in the lower space of the seat. In this seat structure, rails 101 facing each other in the front-rear direction are provided in the lower space of the seat cushion 100. An under tray 102 that can slide along the above is provided. According to this conventional technique, not only the under tray 102 cannot be easily removed, but also it is impossible to remove it from the rear seat.

Therefore, there is known a conventional technique (Japanese Utility Model Laid-Open No. 2-61746) in which the cushion body of the passenger seat of the automobile is pivoted so as to stand up to utilize the space below the cushion body. Has been. In this prior art, as shown in FIGS. 14 and 15, the front end of the cushion body 103 is rotatably attached to the front end of a frame 105 via a hinge 104, and a box-shaped body 106 is arranged inside the frame 105. It is a thing.

In this prior art, the inside of the box-shaped body 106 is used as a container, and the cushion body 103 is hinged to the hinge 1.
The upper surface of the box-like body 106 is opened by raising it about the rotation center O of 04.

[0006]

However, according to the above-mentioned conventional technique, since the rotation center O of the hinge 104 is located above the frame 105, the rotation radius of the cushion main body 103 becomes large and the cushion body 103 comes into contact with a door armrest or the like. The upper space may be narrowed.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a vehicle seat structure in which a center of rotation is provided at a low position to prevent interference with interior components of a vehicle.

[0008]

In order to solve the above problems, the present invention comprises a seat cushion in which a cushion main body is arranged above a cushion frame, and a seat back attached to the rear end of the seat cushion. In a vehicle seat structure in which the cushion main body of the seat cushion is mounted on the cushion frame so as to be rotatable forward around a front end, the rotation center of a hinge mechanism that supports the cushion main body on the cushion frame is set to the cushion frame. Is located below the upper end of the cushion and behind the front end of the cushion body.

[0009]

When the storage container is used, when the band of the cushion body is pulled, the latch body is pulled and the engagement with the striker is released. Then, pull the band further to raise the cushion body. In this way, the cushion body pivots about the hinge and is pulled forward. Since the center of rotation of the hinge mechanism is located below the cushion body, the radius of rotation of the cushion body is reduced, there is no risk of contact with the door armrest, etc., and the upper space can be expanded.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. 1 to 4, reference numeral 1 denotes a seat applied to a passenger seat of an automobile. This sheet 1
Is composed of a seat cushion 2 and a seat back 3 provided at a rear end portion of the seat cushion 2 via a reclining mechanism (not shown). The seat cushion 2 includes a cushion frame 4 and a cushion main body 5, and the cushion main body 5 includes the cushion frame 4.
It is provided rotatably forward with a lower portion of the front end portion as a center of rotation via a single hinge mechanism 6 which will be described later and is provided between and.

As shown in FIGS. 5 and 6, the cushion frame 4 has a pair of side frames 7, 7 formed in a quadrilateral shape, and the side frames 7, 7 between front end upper parts and between rear end upper parts. It is composed of a front pipe 8 and a rear pipe 9 which are hung on the upper part of the upper frame. A seat belt buckle 10 is attached to a side frame 7 on one side of the cushion frame 4.

A bracket 11 is welded to the lower portion of the cushion frame 4, and the bracket 11 is attached to a slide rail 12. This slide rail 1
2 is a bolt 13 and a nut 14 on the bracket 11
The upper rail 15 fixed via the floor rail 1 and the upper rail 15 slidably supported and the floor 1
The front and rear brackets 1 are attached to the brackets 17 and the like provided in 6.
And a lower rail 19 fixed via 8 This bracket 18 is integrally formed with a bracket 18a provided at the front part of the lower rail 19, a bracket 18b provided at the rear part of the lower rail 19, and a bracket 18b at the rear indoor side of the lower rail 19, and at the center of the floor 16. The bracket 18c is fixed to a tunnel (not shown). The upper rail 15 and the lower rail 19 of the slide rail 12 are configured by rail portions 15a and 19a having a U-shaped cross section facing each other, and the upper side flange portion 15b of the upper rail 15 is connected to the upper side flange portion 15b of the lower rail 19. It is formed in a U-shaped cross section so as to be located on the lower side, and the lower side flange portion 15c of the lower rail 19 is located on the upper side of the lower side flange portion 15c of the upper rail 15 and has an inverted U cross section.
It is shaped like a letter.

A cover 20 is provided on the outer side surface of the cushion frame 4, and a lever 21 of the reclining device is provided on the outer side of the cover 20. A band 22 for raising the cushion body 5 is provided at the rear end portion of the cushion body 5, and the band 22 is for releasing the latch mechanism 23 provided on the cushion body 5. In the latch mechanism 23, as shown in FIG. 7, the latch main body 25 is biased by a spring (not shown) built in the latch case 24, and the striker 26 engaging with the latch main body 25 has a striker 26. 4 is attached to the rear pipe 9. The latch mechanism 23 pulls the band 22 to actuate the latch main body 25 against the spring and release the engagement between the latch main body 25 and the striker 26.

Reference numeral 27 denotes a storage container made of synthetic resin, which is detachably arranged in the lower space of the cushion main body 5. The storage container 27 is constructed as shown in FIGS. 8 to 10. There is. The storage container 27 is formed with outwardly curved flange portions 28 on both sides of the upper end and front and rear portions, and the flange portions 28b on both sides of the flange portion 28 are connected to the side frames 7 of the cushion frame 4. , 7 and the front flange portion 28a of the flange portion 28 is engaged with the front pipe 8 to be attached. Both ends of a wire-made handle 29 are rotatably attached to the upper ends of both sides of the storage container 27.
It is locked to a retaining portion 30 integrally formed on the upper surface of the front end portion of 7. This retaining portion 30 forms a slit 31 for retaining the handle 29 at the turning position of the handle 29.
A part of the storage container 27 is cut and raised in a double door.

As shown in FIGS. 11 and 12, the hinge mechanism 6 in which the cushion body 5 is connected to the cushion frame 4 is provided on the hinge bracket board 6a welded to the front frame 8 and the cushion panel 32 of the cushion body 5. It is composed of welded hinge mail 6b. The hinge bracket board 6a is arranged downward in the front frame 8, and the hinge mail 6b is formed in a downwardly curved arc shape. It is arranged below the upper end and behind the front end of the cushion body 5. The hinge mechanism 6 is a large one and is provided by displacing it from the lateral center of the seat 1 to the left or right. 33 is a door armrest, 34
Is a shift lever knob, and 35 is a slide lever.

According to the vehicle seat structure having the above structure, when the storage container 27 is used, the cushion body 5 is used.
When the band 22 is pulled, the latch body 25 is pulled and the engagement with the striker 26 is released. And band 22
Is further pulled to raise the cushion body 5. In this way, the cushion body 5 is pivoted about the rotation center O of the hinge mechanism 6 and is raised forward. At this time, since the center of rotation O of the hinge mechanism 6 is arranged below the upper end of the cushion frame 4 and behind the front end of the cushion body 5, as shown in FIG. It rotates downward from the rear end and the radius of gyration becomes smaller. Therefore, the protruding width toward the upper side is reduced, and there is no fear of interference with indoor parts such as the door armrest 33.

When the cushion main body 5 is raised, the upper surface of the storage container 27 is opened, so that luggage that has been purchased can be stored in the storage container 27. The storage container 27 can be carried around by removing the handle 29 from the fastening portion 30 and pulling it up to remove it from the upper end frame portions 7a of the side frames 7, 7. Since the rotation center O of the hinge mechanism 6 is below the fixed portion of the hinge bracket board 6a, the center of gravity of the cushion body 5 acts as shown by the arrow in FIG.

The storage container 27 is attached to the upper end frame portion 7a of the side frames 7, 7 via the flange portion 28b,
When the cushion body 5 is tilted backward, the latch body 25 engages with the striker 26 and the cushion body 5 is locked.

The effects of the above embodiment are as follows. The cushion body 5 of the seat cushion 2 is attached to the cushion frame 4 so as to be rotatable forward around the front end,
Since the storage container 27 is detachably attached to the lower space of the cushion main body 5, the cushion main body 5 can be raised to store luggage or the like in the storage container 27. Since the storage container 27 can be carried away from the cushion frame 4, it can be used as a substitute for a shopping basket or a container. Further, when applied to the passenger seat, the band 22 can be pulled from the driver's seat or the rear seat to raise the cushion body 5, so that the luggage can be taken out easily. Further, the rotation center O of the hinge mechanism 6
Is disposed below the upper end of the cushion frame 4 and behind the front end of the cushion body 5, so that the cushion body 5 rotates downward from the rear end of the cushion body 5 and the radius of gyration becomes smaller. , There is no risk of contact with vehicle interior accessories such as door armrests. Also, the center of rotation O of the hinge mechanism 6 is the hinge bracket board 6a.
Since it is located below the fixed portion, the center of gravity of the cushion body 5 acts on the front side, so that there is no fear of spontaneous lowering due to the weight of the cushion body 5. When the cushion body 5 is raised forward, it is rotated to the front side of the shift lever knob 34, so that it does not hinder driving. Note that the present invention is not limited to the above-described embodiment, and for example, the vehicle seat structure is not limited to an automobile and may be a vehicle such as a motor boat, and is not limited to a passenger seat and can be applied to a driver seat. . It can also be applied to a rear seat such as a one-box car.

[0020]

As described above, according to the vehicle seat structure of the present invention, the following effects can be obtained. The seat cushion according to claim 1, comprising a seat cushion in which a cushion main body is arranged on an upper portion of a cushion frame, and a seat back attached to a rear end portion of the seat cushion. The cushion main body of the seat cushion is forwardly centered on a front end portion. In a vehicle seat structure rotatably mounted on the cushion frame, the center of rotation of a hinge mechanism that supports the cushion body on the cushion frame is below the upper end of the cushion frame and behind the front end of the cushion body. Since it is arranged, the cushion main body rotates downward from the rear end portion of the cushion main body, and the radius of gyration becomes small, so there is no risk of contact with the vehicle interior equipment such as the door armrest. Further, since the center of gravity of the cushion body acts on the front side, there is no fear of spontaneous fall due to the weight of the cushion body. Claim 2
The seat cushion has a cushion main body arranged above the cushion frame, and a seat back attached to the rear end of the seat cushion, and the cushion main body of the seat cushion is rotated forward around the front end. Movably attached to the cushion frame,
In a vehicle seat structure in which a storage container is attached to a lower space of the cushion body, a center of rotation of a hinge mechanism that supports the cushion body on the cushion frame is lower than an upper end of the cushion frame and a front end of the cushion body. Since the cushion body is arranged further rearward, the cushion body rotates downward from the rear end portion of the cushion body, and the radius of gyration becomes smaller, so there is no risk of coming into contact with vehicle interior accessories such as door armrests. Therefore, it is easy to take out the storage container. In claim 3, since the cushion main body and the cushion frame are connected through one hinge mechanism, the number of parts can be reduced.
In the fourth aspect, since the hinge mechanism is provided by being displaced to the left or right from the lateral center of the seat, it is possible to prevent interference with the slide lever.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a vehicle seat structure according to the present invention.

FIG. 2 is a perspective view showing a state in which a cushion main body of the passenger seat of FIG. 1 is raised.

FIG. 3 is a perspective view showing a state where the storage container of FIG. 2 is pulled out.

FIG. 4 is a right side view showing the seat cushion of FIG.

FIG. 5 is a perspective view showing a cushion frame of a vehicle seat structure according to the present invention.

FIG. 6 is a front view showing the slide rail of FIG.

FIG. 7 is a perspective view showing a latch mechanism.

FIG. 8 is a perspective view showing a storage container.

FIG. 9 is a right side view showing the storage container.

FIG. 10 is a partial cross-sectional perspective view showing a storage container and a cushion frame.

FIG. 11 is a perspective view showing a hinge mechanism.

FIG. 12 is a conceptual diagram showing a state where the cushion main body of the passenger seat of FIG. 1 is raised.

FIG. 13 is a perspective view showing a conventional automobile seat structure.

FIG. 14 is a perspective view showing a conventional automobile seat structure.

FIG. 15 is a side view of FIG.

[Explanation of symbols]

 1 Seat 2 Seat Cushion 3 Seat Back 4 Cushion Frame 5 Cushion Main Body 6 Hinge Mechanism 7 Side Frame 8 Front Pipe 9 Rear Pipe 10 Seat Belt Buckle 11 Bracket 12 Slide Rail 15 Upper Rail 16 Floor 19 Lower Rail 22 Band 23 Latch Mechanism 26 Striker 27 Storage container 28 Flange portion 29 Handle 30 Fastening portion 31 Slit 32 Cushion 33 Door armrest 34 Shift lever knob 35 Slide lever

Claims (4)

[Claims] 1. A seat cushion having a cushion main body arranged on an upper portion of a cushion frame, and a seat back attached to a rear end portion of the seat cushion. The cushion main body of the seat cushion is forwardly centered on a front end portion. In a vehicle seat structure rotatably mounted on the cushion frame, the center of rotation of a hinge mechanism that supports the cushion body on the cushion frame is below the upper end of the cushion frame and behind the front end of the cushion body. A vehicle seat structure characterized by being arranged. 2. A seat cushion having a cushion main body arranged on an upper portion of a cushion frame, and a seat back attached to a rear end portion of the seat cushion. The cushion main body of the seat cushion is forwardly centered on a front end portion. In a vehicle seat structure in which the cushion frame is rotatably mounted toward the cushion frame, and a storage container is attached to the lower space of the cushion body, the rotation center of the hinge mechanism that supports the cushion body on the cushion frame is A vehicle seat structure, which is arranged below an upper end of a cushion frame and behind a front end of a cushion body. 3. The vehicle seat structure according to claim 1, wherein the cushion body and the cushion frame are connected via a single hinge mechanism. 4. The vehicle seat structure according to claim 3, wherein the hinge mechanism is provided by displacing it from the lateral center of the seat to the left or right.