JP3146948B2 - Vehicle seat device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to a vehicle seat assembly, Ru especially on the front seat about the suitable seat equipment <br/>.

[0002]

2. Description of the Related Art Conventionally, in a front seat for a vehicle, as shown in FIGS. 3 to 5, a pair of left and right slide rail bodies 60 and 62 extending in the front-rear direction of the vehicle body, and a cushion (a seat cushion body 64 and a seat back). (Body assembly 66) and a body (seat assembly) that is pre-assembled and integrally formed is fixed to the floor of the vehicle body. Each of the slide rail bodies 60 and 62 is composed of rail bodies 68 and 70 fixed directly to the floor and slide bodies 72 and 74 fixed to the seat cushion body 64. The slide bodies 72 and 74 are the rail body. 68,7
It is designed to be slide-locked to 0. In FIG. 3, reference numeral 76 denotes an operation frame fixed to the rail main body 70, reference numeral 78 denotes a reclining operation lever, 8
0 indicates a seat slide operation lever.

[0003] At the front and rear ends of each rail body 68, 70, mounting pieces 68a, 68b, 70a, 70b are formed, respectively. On the other hand, each of the slide bodies 72, 74 protrudes horizontally with opposing positions. Mounting pieces 72a, 7
2b, 74a and 74b are formed. The seat cushion body 64 includes these mounting pieces 72a, 72b, 74a,
It is fixed to the slide bodies 72 and 74 by bolts 82 via 74b. Further, the seat back body 66 is attached to the rear ends of the slide bodies 72 and 74 so as to be tiltable. A seat belt buckle 84 is attached to the rear end of one of the rail bodies 68, and a harness 86 for a seat belt wearing alarm switch extending from the seat belt buckle 84 is attached. Are connected to each other via connectors 86a and 88a. Reference numeral 85 indicates a connection fitting. Under the above configuration, the seat assembly assembled in advance is stopped at the four front and rear portions of the slide rail members 60 and 62 and the harnesses 86 and 88 are connected.
Two front portions of the slide rail bodies 60 and 62 are attached to a cross member 90 extending in the vehicle width direction of the floor.

[0004]

The work of fixing the slide rails 60 and 62 at the four positions and connecting the harness is performed on the lower surface of the cushion. In the mounting method in the assembly, the working area is the seat cushion body 6.
4 and the seat back body 66, the visual inconvenience and the cramped working posture were very troublesome. When the cushion is loaded with the cushion positioned rearward, the front 2 with respect to the cross member 90
The fixing work is relatively easy because the positions of the parts can be visually checked, but the two rear parts are concealed by cushions as they are, so after the two front parts are fixed, the slide lock is released and the cushion is moved forward. It is shifted and visible to some extent, and the two rear parts are fixed. The same applies to the case where the cushion is carried in a state where the cushion is positioned forward. However, the rigidity required to secure the dimensional accuracy of the seat assembly can be obtained only by fixing four places. However, the conventional technique of releasing the slide lock in an unstable (no rigidity) state where two places are fixed. In the method, the engagement dimension of the lock structure is shifted, that is, the "locking property" secured during the manufacturing process is impaired, and the seat slide is not smoothly locked after the four places are fixed. there were. Further, even if it is assumed that the above-mentioned trouble caused by releasing the slide lock does not occur, the cramped work due to the existence of the cushion as an obstacle still remains, and the work of wiring the harness is almost a groping work.

According to the present invention, the work of fixing to the vehicle body floor and the work of connecting the harness can be performed easily and quickly while visually observing in an easy posture, so that the efficiency of the mounting work can be improved and the slide rail body can be improved. also to provide a vehicle seat equipment do not impair, and an object of the lock takes property.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a so-called retrofitting of a seat cushion body as a main body covering a work area to visualize the entire work area and to provide a slide rail body. This is based on the idea that mounting of the seat cushion body is facilitated so that disadvantages due to the retrofitting method do not occur. Based on this idea, according to the first aspect of the invention, the vehicle is fixed to the floor of the vehicle body.
And a pair of slide rails
The cross member that connects the
Seat assembly from the seat back body attached to the chassis
The body is integrated and can be disengaged from the slide rail body
Vehicle seat device having a mounted seat cushion body
In location, the slide rail body engagement member having a retaining portion of the large diameter at the distal end to the rear inward projecting to face, engaging body the seat cushion body to be engaged with the engaging member at the rear And a fixing portion fixed to the cross member at the front portion.

[0007]

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. The vehicle seat device 2 includes a seat assembly 4 that is integrally assembled, and a seat cushion body 6 that is formed to be detachable from the seat assembly 4 and retrofitted.
It is composed of The seat assembly 4 includes a pair of slide rails 8 and 10 fixed to the vehicle body floor, a sheet cross member 12 connecting these slide rails 8 and 10, and a rear of each slide rail 8 and 10. And a seat back body 14 attached to the end so as to be adjustable in the forward and backward directions.

Each of the slide rail bodies 8 and 10 is composed of rail bodies 16 and 18 which are directly fixed to the vehicle body floor, and slide bodies 20 and 22 which are engaged with the rail bodies 16 and 18 irremovably upward. The sheet cross member 12 is fixed between the slide bodies 20 and 22. See
The tocross member 12 is attached to the slide rails 8 and 10 in the front-rear and width directions, and the seat cushion 6
Is provided from the viewpoint of ensuring the structural rigidity of the seat assembly 4 due to being attached later. Each rail body 1
Mounting pieces 16a, 18a for fixing to a cross member 24 crossing the vehicle body floor in the vehicle width direction are provided at the front ends of the vehicle bodies 6, 18, respectively.
Are formed, and are fixed with bolts (not shown). On the other hand, mounting pieces 16b, 18b are formed at the rear ends of the rail bodies 16, 18, respectively, and extend inward at substantially right angles. These attachment pieces 16b and 18b are conventionally used from the viewpoint of further improving work efficiency in accordance with the idea of the present invention that "the work area can be viewed in an easy posture to facilitate the attachment work". Unlike this, it is positioned so as to be completely exposed in the space covered by the seat cushion body 6. These mounting pieces 16b and 18b are also fixed to the vehicle body floor with bolts (not shown).

A seat belt buckle 25 is attached to the outside of the rear end of the slide body 20, and a harness 26 for a seat belt wearing alarm switch extends from the seat belt buckle 25. The harness 26 is provided in the space between the slide rail bodies 8 and 10 in the harness 28 on the vehicle body side.
And are connected to each other via the connectors 26a and 28a.

Inside the rear ends of the slide bodies 20 and 22,
Engaging members 30 and 32 having a large diameter retaining portion at the front end are provided so as to face each other, and correspondingly, the engaging members 30 and 32 are provided on the lower surface of the rear end portion of the seat cushion body 6. A pair of engaging members 34, 34 are provided. The seat cushion body 6 is provided with a cushion frame 36,
The engaging members 34 are fixed to both sides of the cushion frame 36 in the width direction. The engaging body 34 has a concave portion 34a into which the small diameter portions of the engaging members 30 and 32 are inserted, and the rear of the seat cushion body 6, that is, the engaging body 34 is
After engaging with 0, 32, the seat cushion body 6 is positioned so that it cannot be removed except for the forward movement. On the other hand, a fixing part 38 having a bolt insertion hole 38a is provided on the lower surface of the front part of the seat cushion body 6, and a corresponding mounting piece 40 for fixing the fixing part 38 is provided on the seat cross member 12. Are formed. Reference numeral 40a indicates a bolt insertion hole. The fixing portion 38 may be formed independently, or may be provided continuously with the cushion frame 36. In FIG. 1, reference numeral 42 denotes an operation frame fixed to the rail body 18, reference numeral 44 denotes a reclining operation lever,
Indicates a seat slide operation lever.

Next, a method of assembling the vehicle seat device 2 will be described. First, the seat assembly 4 is carried into the vehicle body, and four positions (16a, 16b,
18a, 18b) are fixed at predetermined positions on the vehicle body floor.
In this case, since there is no seat cushion body 6, all four fixed positions can be clearly seen, and since there are almost no obstacles in the work area, it is possible to work in a normal comfortable posture. it can. Therefore, the fixing sequence can be arbitrarily and easily performed, and the seat slide can be fixed without unlocking it. Since four places can be installed at the same time without releasing the lock, the lockability of the slide rail body will not be impaired.
In addition, automation by a robot is also possible.

After fixing the slide rail bodies 8 and 10,
Connect the harnesses 26 and 28. Also in this case, the operation is extremely easy because the operation is performed while visually observing in a space where there is almost no obstacle. After connecting the harnesses 26 and 28, the seat cushion body 6 is mounted. In this case, after the engaging member 34 at the rear portion of the seat cushion body 6 is engaged with the engaging members 30 and 32, the seat cushion body 6 is rotated downward to align the fixing portion 38 with the mounting piece 40 of the seat cross member 12, and Fix with bolts 48. Thereby, the assembly and installation of the vehicle seat device 2 are completed. The mounting of the seat cushion body 6 to the slide rail bodies 8 and 10 can be substantially performed only by the bolting operation at one front portion (fixed portion 38) since the rear portion has a mounting function by engagement of a so-called one-touch operation. Therefore, there is no disadvantage due to the retrofitting method.
Further, the configuration for facilitating the attachment of the seat cushion body 6 to the slide rail bodies 8 and 10 is advantageous from the viewpoint of the assembly efficiency of the entire seat apparatus as compared with the conventional four-point fixing system.

[0014]

According to the present invention, after the slide rail body,
Engaging members opposing each other are protruded inward of each other, and each engaging member is
Of the seat cushion
After the engaging body at the rear of the body engages with the engaging member,
Fixing the fixed part at the front of the
The seat cushion body on the slide rail body.
It can be easily retrofitted, and then the slide rail
In addition to the front part of the seat cushion body,
It can be securely fixed without any displacement in front, back, left, right, up and down.
Further, since the slide rail body can be fixed without unlocking the seat slide, the work quality can be improved without impairing the lockability of the slide rail body. In addition, since a cross member that connects the slide rail bodies is provided, the rigidity of the seat assembly having no seat cushion body can be prevented from being reduced, and the seat cushion body can be easily mounted by engagement. The benefits of visualizing the entire work area can be fully utilized without the disadvantage of retrofitting the body.

[Brief description of the drawings]

FIG. 1 shows a vehicle seat device according to an embodiment of the present invention;
It is a perspective view showing the state before attaching a seat cushion object.

FIG. 2 is a schematic sectional view taken along line II-II of FIG.

FIG. 3 is a perspective view of a conventional example in an attached state.

FIG. 4 is a perspective view of a slide rail body in a conventional example.

FIG. 5 is a plan view of a slide rail body in a conventional example.

[Description of References] 4 Seat assembly 6 Seat cushion body 8, 10 Slide rail body 12 Seat cross member 14 Seat back body 25 Seat belt buckle 26, 28 Harness 30, 32 Engagement member 34 Engagement body 38 Fixed part

Claims (1)

(57) [Claims] 1. A seat assembly comprising a pair of slide rail bodies fixed to a floor of a vehicle body, a cross member connecting the pair of slide rail bodies, and a seat back body attached to the slide rail bodies. In the vehicle seat device having a seat cushion body detachably mounted on the slide rail body, the slide rail body is opposed to an engagement member having a large-diameter retaining portion at a front end inside a rear portion. The seat cushion body is provided with an engaging body engaged with the engaging member at a rear portion and a fixing portion fixed to the cross member at a front portion. Sheet equipment.