JPH08169266A - Vehicular seat hinge - Google Patents

Abstract

PURPOSE: To provide a vehicular seat hinge capable of being easily mounted on a body, compared with conventional type, increasing strength and allowing the application of a compact structure. CONSTITUTION: Regarding a vehicular seat hinge 4 formed out of a mounting section 12 having a right male bracket 8 secured to the back of a right seat back, a female bracket 9 having a mounting section 19 secured to a rear floor panel 2, and a support pin 10 rotatably jointing the support sections 14 and 20 of both brackets 8 and 9, the mounting sections 12 and 19 of the brackets 8 and 9 are respectively arranged at the same side. Also, a projected bead 23 is provided on the support section 20 of the bracket 9 in such a state as projected toward the mounting section 19 thereof, and constitution is so made that the turning motion of the bracket 8 can be restricted with the bead 23 of the bracket 9 at the time of mounting the hinge 4 on a body.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle seat hinge that supports a seat back of an automobile so that the seat back can be raised and lowered.

[0002]

2. Description of the Related Art Conventionally, a seat hinge of an automobile is composed of a mail bracket for mounting a seat back, a hemale bracket for mounting on a floor panel, and a pivot pin for rotatably connecting both brackets. It has a structure that supports it so that it can be tilted up and down. Examples of this type of seat hinge include those shown in FIGS. 4 and 5. In the seat hinge 51 shown in FIG. 4, in a state where the mail bracket 52 and the himebra bracket 53 are connected by the pivot pin 54, an attachment piece portion 55 to a seat back (not shown) and an attachment piece portion 57 to a floor panel 56 are shown.
And are arranged to project in the same direction. Then
When assembling the seat hinge 51 at the factory, first attach the mounting piece portion 57 of the Himeal bracket 53 to the floor panel 56.
The procedure is normally performed by tightening the bolts and then attaching a seat back (not shown) to the attachment piece 55 of the mail bracket 52.

Further, in the seat hinge 61 shown in FIG. 5,
In a state where the mail bracket 62 and the himebra bracket 63 are connected by the pivot pin 64, the attachment piece portion 67 of the rear seat 65 to the seat back 66 and the attachment piece portion 68 to the floor panel should protrude in opposite directions. It is arranged. In the figure, reference numeral 69 is a back side.

[0004]

However, in the conventional seat hinge 51 shown in FIG. 4, the mail bracket 52 can be freely rotated when the himeme bracket 53 is mounted, so that the mail bracket 52 concerned. Bolt 5
It is necessary to prevent it from falling to the side of tightening 8
The operator had to hold the impact driver 59 with his right hand R, and the Himera bracket 53 with his left hand L, and also hold down the mail bracket 52 at the same time.

On the other hand, the conventional seat hinge 61 shown in FIG.
In this case, since the attachment piece portion 67 of the mail bracket 62 and the attachment piece portion 68 of the himeme bracket 63 are arranged in the opposite directions, the above-mentioned inconvenience does not occur, but the hinge attachment position is secured by the side body or the like. It is difficult to do so, and there is the inconvenience that the types of vehicles that can use this type of hinge are limited due to the vehicle body structure. In addition, the seat hinge 61 of this type has a large overall shape, which causes an increase in size and may impair the appearance and the like.

The present invention has been made in view of such an actual situation, and an object thereof is to make it easier to mount it on a vehicle body as compared with the prior art, and to improve strength and make it compact. Another object is to provide a vehicle seat hinge.

[0007]

In order to solve the above-mentioned problems of the prior art, in the present invention, a mounting bracket is fixed to the back of the seat back, and a mounting bracket is fixed to the floor panel. In a vehicle seat hinge, which includes a tie-up bracket and a pivot pin that rotatably connects the support pieces of both brackets, the attachment pieces of the mail bracket and the hemie bracket are arranged on the same side. Then, the supporting piece portion of the himeme bracket is provided with a convex portion projecting toward the mounting piece portion side, and the protrusion of the himeme bracket restricts the rotation of the male bracket during the work of attaching to the vehicle body. Is configured as follows.

[0008]

In the vehicle seat hinge according to the present invention, the attachment pieces of the mail bracket and the himeme bracket are arranged on the same side, and the support piece of the himeme bracket projects toward the attachment piece side. Since the convex portion is provided and the convex portion of the himebra bracket restricts the rotation of the male bracket during the mounting work to the vehicle body, the mounting piece portion of the male bracket is the mounting piece of the himeme bracket. It does not fall to the position where it closes the floor mounting hole of the section, and the worker can carry out the mounting work by holding only the supporting piece section of the Himera bracket with one hand.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below based on the illustrated embodiments.

1 to 3 show an embodiment of a vehicle seat hinge according to the present invention. In the figure, reference numeral 1 denotes a rear seat disposed in a rear portion of a passenger compartment of an automobile. The rear seat 1 includes a seat cushion 3 mounted on an upper surface of a rear floor panel 2 and a seat hinge at a rear end portion of the seat cushion 3. It has a pair of left and right split-type seat backs 5 and 6 which are pivotably supported via 4 respectively. Thus, the seat backs 5 and 6 are configured to be able to independently and independently rotate in the front-rear direction of the vehicle body.

As shown in FIG. 1 and FIG. 2, the seat hinge 4 includes the left and right mail brackets 7 and 8, the himebra bracket 9, and the three brackets 7, 8 and 9.
And a pivot pin 10 for rotatably connecting the.
The mail brackets 7 and 8 are provided with attachment piece portions 11 and 12 fixed to the back surfaces of the left and right seat backs 5 and 6, and support piece portions 13 and 14 connected to the himeme bracket 9, respectively. Parts 11, 12 and support piece parts 13, 1
4 has an L-shaped cross section. Bolt holes 15 and 16 into which bolts (not shown) are inserted are formed in the mounting pieces 11 and 12, respectively, and the supporting pieces 13 and 1 are formed.
Pin holes 17 and 18 into which the pivot pin 10 is inserted are formed in the pin 4, respectively.

[0012] Further, the Hemme bracket 9 comprises a mounting piece 19 fixed to the rear floor panel 2 and a supporting piece 20 connected to the mail brackets 7 and 8.
A cross section L is formed by the mounting piece portion 19 and the supporting piece portion 20.
It is formed in a letter shape. A bolt hole 21 for inserting a bolt (not shown) is formed in the mounting piece portion 19, and a pin hole 22 for inserting the pivot pin 10 is formed in the supporting piece portion 20.

Moreover, a bead portion 23 is provided on one side surface of the support piece portion 20 of the himeme bracket 9 so as to project toward the mounting piece portion 19 side. The bead portion 23 is formed to have a protruding length (or depth) on which the support piece portion 14 of the right-side mail bracket 8 can be placed, and when the seat hinge 4 is attached to the vehicle body, the support piece portion is formed. By engaging 14 with the bead portion 23, the rotation of the right-side mail bracket 8 is restricted.

Further, the bead portion 23 has a front shape formed in a similar shape corresponding to the outer shape of the support piece portion 20, and its size is a predetermined height which does not hinder the forward leaning of the right seatback 6. It is formed in a mountain shape at the position. That is, the mounting piece 12 of the right-side mail bracket 8 and the mounting piece 19 of the himeme bracket 9 are arranged on the same side, and the bending directions of both mounting pieces 12 and 19 are the same. It is arranged to project.

In the seat hinge 4 of this embodiment, with the support piece portions 14 and 20 of the right-side mail bracket 8 and the homme bracket 9 being connected by the pivot pin 10,
When attaching the mounting pieces 12 and 19 of the both brackets 8 and 9 to the right seat back 6 and the rear floor panel 2, respectively, as shown in FIG. Since the portion 14 is engaged and the downward rotation is blocked,
Even if the right side mail bracket 8 is not being pressed, the mounting piece 12 does not fall to the position where it blocks the bolt hole 21 of the mounting piece 19 of the himeme bracket 9,
The operator holds his left hand L on the supporting piece 20 of the Himera bracket 9.
Just by holding
9 can be fastened and fixed to the rear floor panel 2 by a bolt (not shown).

Further, in the seat hinge 4 of this embodiment, the hemear bracket 9 for supporting the mel brackets 7 and 8 is used.
Since the rigidity of the supporting piece portion 20 is enhanced by the existence of the bead portion 23, the strength of the hinge itself can be improved. Moreover, since the mounting pieces 12 and 19 of the right-side mail bracket 8 and the himebra bracket 9 are arranged in the same direction, the overall shape is not bulky as compared with the case where they are arranged in the opposite directions. I'm done.

The embodiment of the present invention has been described above.
The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention.

For example, in the above-described embodiment, the bead portion 23 is formed in a mountain shape similar to the outer shape of the support piece portion 20 of the Himmer bracket 9, but the support piece portion of the right side mail bracket 8 is attached at the time of mounting work. Other shapes may be used as long as they are capable of securely pressing the right seatback 6 and do not hinder the right seatback 6 from tilting forward.

[0019]

As described above, in the vehicle seat hinge according to the present invention, the mounting bracket is fixed to the back surface of the seat back, and the mounting bracket is fixed to the floor panel. A support pin for rotatably connecting the support pieces of the two brackets, and the mounting pieces of the mail bracket and the himeme bracket are arranged on the same side, and the support piece of the himeme bracket is attached to the support piece. Since the protrusion is provided so as to project toward the mounting piece side and the rotation of the mail bracket is restricted by the protrusion of the himeme bracket during the work of mounting on the vehicle body, as in the conventional case. Even if you do not hold down the mail bracket, the mounting piece of the mail bracket will fall to a position that closes the floor mounting hole of the mounting piece of the Hemmer bracket. It not, the operator can easily perform the mounting operation with only female bracket with one hand, it is possible to efficiently improve the mounting operation. Further, in the vehicle seat hinge of the present invention, since the convex portion of the support piece portion enhances the rigidity of the Himeh bracket, the strength of the hinge itself can be increased without adding a reinforcing member. Furthermore, according to the vehicle seat hinge of the present invention,
Since the mounting pieces of the mail bracket and the himeme bracket are arranged in the same direction, the overall shape does not become bulky, and the size can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing a vehicle seat hinge according to an embodiment of the present invention viewed from the front of a vehicle body.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a perspective view showing a state in which the seat hinge is attached to a rear seat rear position of a rear seat.

FIG. 4 is a perspective view showing a mounting operation state of a conventional seat hinge as viewed from the front of the vehicle body.

FIG. 5 is a perspective view showing a state in which another conventional seat hinge is attached to a rear seat back position of a rear seat.

[Explanation of symbols]

 1 Rear Seat 2 Rear Floor Panel 4 Seat Hinge 6 Right Seat Back 8 Right Mail Bracket 9 Hemmer Bracket 10 Pivoting Pin 12 Mounting Piece 14 Supporting Piece 16 Bolt Hole 18 Pin Hole 19 Mounting Piece 20 Supporting Piece 21 Bolt Hole 22 Pin hole 23 Bead part

Claims (1)

[Claims] 1. A mail bracket whose mounting piece is fixed to the back surface of a seat back, a Hemmer bracket whose mounting piece is fixed to a floor panel, and a supporting piece of both brackets are rotatably connected. In a vehicle seat hinge composed of a pivot pin, the mounting pieces of the male bracket and the himeme bracket are arranged on the same side, and the supporting piece of the himeme bracket projects toward the side of the mounting piece. A seat hinge for a vehicle, wherein a convex portion is provided, and a rotation of the male bracket is restricted by the convex portion of the himeme bracket when the work is attached to a vehicle body.