JPS6340689B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an improvement in a vehicle seat fixing device used for fixing a vehicle seat to a vehicle floor.

Prior Art As a conventional vehicle seat fixing device, those having the structures shown in Figs. (See Publication No. 57-83029).

That is, the fixing device is composed of two members, a fixing device main body 1 and a housing 2, and both members 1 and 2 are integrally molded from a suitable resin.
A handle portion 3 is provided on one end side of the fixing device main body 1, and the handle portion 3 is provided with a finger engagement hole 3a. Further, an intermediate portion 4 is connected to the handle portion 3 via a first hinge portion 5, and the intermediate portion 4 has a raised molding on one side along both side edges, that is, on the left side in Fig. 1B. It has a pair of protrusions 6, 6, and an opening 7 provided between the protrusions 6, 6. Further, a substrate section 9 is connected to the intermediate section 4 via a second hinge section 8 . At the end of the substrate portion 9, substantially U-shaped guides 10 and 1 are provided opposite to each other.
0 is provided protrudingly, and a protrusion 1 is provided near the guides 10 and 10 on the back side in FIG. 1A.
1 and 11 are provided. In addition, the substrate portion 9 has a first
In FIG. A protruding hook piece 13 extends in the same direction, that is, to the left in FIG.

On the other hand, as shown in FIG. 2, the housing 2 includes a side wall 15 having a semi-elliptical cross section, a bottom 16 formed at the lower end of the side wall 15, and a flange 17 formed at the upper end. . A plurality of reinforcing ribs 1 are provided in the vertical direction on the inner peripheral surface of the side wall 15.
8 is provided, and an engaging portion 19 for engagement with the vehicle body floor, which will be described later, is provided on the outer peripheral surface. Further, the bottom portion 16 is provided with a projecting piece 20 that engages with a through hole 9a formed in the vicinity of the second hinge portion 8 of the base plate portion 9 of the fixing device main body 1.
A through hole 21 for removing the mold is provided at the joint between the side wall 15 and the side wall 15 . Furthermore, engaging rods 22, 22 are provided oppositely to the flange 17 with a width that allows insertion while making contact with the inner surface 10a of the guide 10, and at the tips of the engaging rods 22, 22, Return pawls 23, 23 are formed.

In both members according to the above configuration, the fixing device main body 1 has arrows a and b where the handle part 3 and the base plate part 9 are close to each other around the respective hinge parts 5 and 8, as shown in FIG. 1C. the handle part 3 is loosely inserted between the guides 10, 10 as shown in FIG.
In addition, the protrusion 6 is brought into contact with the plate 14. Next, the engaging rod 22 of the housing 2 is inserted between the inner surface 10a of the guide 10 and the side surface 3b of the handle part 3, and the through hole 9a of the fixing device main body 1 is positioned inside the protruding piece 20, so that both members Sub-assembly 1 and 2.

On the other hand, as shown in the figure, an assembly hole 25 is provided in the vehicle body floor 24, and an assembly hole 25 is provided in the vehicle body floor 24.
At 6, a wire 28, which is a locked member, is fixed to the seat cushion frame 27 and is formed into a substantially U-shape when viewed from the left in FIG.

However, the fixing device main body 1 and the housing 2 that are sub-assembled as described above have a gap between the protrusion 11 of the fixing device main body 1 and the guide 10 supporting folded portion 9b of the base plate 9, and the engagement of the housing 2. The mating portion 19 is fitted into the opening edge of the assembly hole 25 and fixed to the assembly hole 25 (FIG. 4).

When attaching the seat, the wire 28 is engaged with the hook piece 13, as shown in FIG. When removing the sheet, the fingers of one hand are engaged with the finger engaging holes 3a as shown in FIG. As a result, the protrusion 6 rotates in the same direction about the second hinge part 8, presses the plate 14, and pushes the plate 14 outward from the hole 12. Therefore, the hook piece 13, which is integrally formed with the plate 14, is displaced together with the plate 14, leaving the wire 28 behind, and the wire 28 is in a disengaged state. The operator then pulls the handle 3 with one hand and lifts the seat 26 upwards, that is, in the direction of arrow d, with the other hand, the wire 28 is pulled up and the seat 26 is moved to the vehicle floor.
It can be removed from 4.

However, with the above-mentioned devices and these conventional devices, it is necessary to operate the fixing device with one hand while lifting the sheet with the other hand, which makes it difficult to remove the sheet. There is a disadvantage that the burden on the person is heavy and the work cannot be carried out quickly.

In addition, in the conventional device described above, when the wire 28 and the hook piece 13 are separated, the operator is unable to determine whether the wire 28 and the hook piece 13 have been separated, and therefore the handle is unnecessarily removed even after the wire 28 and the hook piece 13 have been separated. If the portion 3 is repeatedly pulled, there is a risk that the handle portion 3 may be torn off from the first hinge portion 5 as a result.

OBJECTS OF THE INVENTION The present invention has been made in view of the current situation of conventional vehicle seat fixing devices, and it is possible to disassemble a wire as a locked body and a hook piece that locks the wire, and then to fix the wire. Unnecessary pulling operations are avoided by preventing re-engagement so that the sheet can be lifted with both hands, and by giving the operator the necessary sense of moderation when disengaging. It is an object of the present invention to provide a vehicle seat fixing device that can prevent damage to the device caused by this.

Structure of the Invention In order to achieve the above object, the present invention includes the following:
A substantially U-shaped locked body is fixed to a seat cushion frame of a vehicle seat, and a hook piece movable from an engagement position to a disengagement position is provided on the vehicle body floor, and a handle is linked to the hook piece. Equipped with a
A seat fixing device is fixedly installed, and when the seat is fixed, the hook piece is brought into the engagement position and engaged with the locked object, and when the seat is removed, the hook piece is moved to the release position by operating the handle part. In the structure in which the hook piece and the locked body are disengaged when the sheet is removed, the re-engagement prevents re-engagement between the hook piece and the locked body and supports the handle portion in the disengaged position. A blocking means is provided.

Embodiment An embodiment of the present invention will be described below with reference to the drawings. Note that the same parts and members as those of the above-mentioned device are given the same reference numerals and redundant explanations will be omitted.

5 and 6 show a first embodiment of the present invention, in which the handle portion 3 has a long side opening edge 7 of the opening 7.
Protrusions 29, 29 serving as re-engagement prevention means are provided at positions a and 7a close to the first hinge portion 5. As shown in FIG. 6, the raised portions 29, 29 have a stopper portion 30 that is perpendicular to the elongated opening edge portions 7a, 7a formed on the first hinge portion 5 side, and a handle portion. The tapered portion 31 is formed in the direction of the distal end of the portion 3.

In this embodiment with the above configuration, the sheet 2
6, as shown in FIGS. 6A and 7A, the tapered part 31 of the raised part 29 is in contact with the circumferential surface of the wire 28, and the lower end of the wire 28 is attached to the hook piece 13. to be locked. Thereby, the seat 26 is firmly fixed to the vehicle body floor 24.

Then, in the area where the sheet 26 is removed, the operator
As shown in Figure B and Figure 7B, the handle part 3 is
pull in the direction. With this, as mentioned above,
The protrusion 6 presses the plate 14, the hook piece 13 is displaced together with the plate 14, and the wire 28 is separated from the hook piece 13. When the handle portion 3 is pulled, the tapered surface 3 of the raised portion 29
1 is in sliding contact with the circumferential surface of the wire 28, and the feeling of resistance during this sliding contact is transmitted to the operator via the handle portion 3.
Then, when the raised portion 29 climbs over the wire 28,
The sense of resistance disappears, and when the operator senses this and releases his/her hand from the handle 3, the stopper portion 30 of the raised portion 29 comes into contact with the circumferential surface of the wire 28, and the handle 3 moves in the opposite direction of arrow c. be prevented from moving to. Therefore, the protrusion 6 stops while pressing the plate 14, and the hook piece 13 integrally provided on the plate 14 is pressed against the plate 14.
is prevented from re-engaging with wire 28. Therefore, the operator does not have to keep pulling the handle 3 and can lift the sheet 26 with both hands.

Also, due to the disappearance of the aforementioned resistance, the hook piece 1
Since it is possible to determine that the handle part 3 is in a dissociated state, it is possible to prevent a situation in which unnecessary tensile force is applied to the handle part 3, and the handle part 3 is torn off from the first hinge part 5. This allows you to prevent problems that could otherwise occur.

8 and 9 show a second embodiment of the present invention, in which a coil spring 32 is used as the re-engagement prevention means. That is, inside the fixing device main body 1, a coil spring 32 is held between claws 33, which presses the wire 28 upward when the wire 28 is engaged with the hook piece 13.

In this embodiment, when the wire 28 and the hook piece 13 are engaged, the coil spring 3
Due to the biasing force of 2, the wire 28 is attached to the hook piece 1.
It is in pressure contact with 3. When the wire 28 is detached from the hook piece 13, the wire 28 is sprung upward by the coil spring 32. Therefore, even if the operator releases his hand from the handle 3 in this state, the hook piece 13 will not engage with the wire 28 again, and the operator can remove the sheet 26 with both hands. can be done. Also, when the wire 28 and the hook piece 13 are separated, the wire 28
At the same time, the sheet is flipped up, which allows the operator to determine whether the wire 28 and the hook piece 13 have come apart, and without repeating unnecessary pulling operations on the handle 3. It is also possible to prevent the occurrence of problems such as the first hinge portion 5 being sheared off.

FIG. 10 shows a third embodiment of the present invention,
A leaf spring 34 is used as the re-engagement prevention means. That is, the leaf spring 34 is supported by claws 35, 35 in order to press the wire 28 upward in a state in which the wire 28 is engaged with the hook piece 13.

In this embodiment, as in the second embodiment, when removing the sheet, re-engagement between the wire 28 and the hook piece 13 is prevented, allowing the sheet removal operation to be performed with both hands, and preventing the sheet from bouncing up. Therefore, it is possible to determine whether the wire 28 and the hook piece 13 have come apart, and it is possible to prevent the handle portion 3 from being sheared due to an unnecessary pulling operation of the handle portion 3.

Effects of the Invention As explained above, the present invention prevents re-engagement between the hook piece and the locked object when removing the automobile seat, and supports the handle part linked to the hook piece in the disengaged position. Since the re-engagement preventing means is provided, even if the user releases the handle portion during the sheet removal operation, the hook piece and the locked body will not engage again. Therefore, it becomes possible to carry out the work of lifting the seat with both hands, and it is possible to reduce the work burden when removing the seat. In addition, by operating the re-engagement prevention means, the operator can determine from the outside whether the hook piece and the locked object are disengaged, thereby preventing the occurrence of a situation in which the disengagement operation is continued unnecessarily. It is also possible to prevent damage to the seat fixing device due to this and improve durability.

[Brief explanation of the drawing]

Fig. 1A is a front view showing the fixing device main body of a conventional seat fixing device, Fig. 1B is a sectional view taken along line E in Fig. 1, Fig. 1C is a side view of the fixing device main body, and Fig. 1C is a side view of the fixing device main body.
Figure A is a plan view showing the housing of a conventional seat fixing device, Figure 2 B is a front view of the same, Figure 2 C is a sectional view taken along line E in Figure 2, and Figure 3 is an assembly of the conventional seat fixing device. 4A is a sectional explanatory diagram showing the structure of the conventional seat fixing device when the seat is fixed; FIG. 4B is a sectional explanatory diagram showing the state of the same device when the seat is removed; Fig. 5 is a plan view of the fixing device main body according to the first embodiment of the present invention, Fig. 6 A and B are enlarged explanatory views of part A in Fig. 5, and Fig. 7 A is the state when the seat is fixed in the first embodiment. 7B is a cross-sectional explanatory view showing the state of the first embodiment when the seat is removed, FIG. 8 is a cross-sectional explanatory view showing the second embodiment of the present invention, and FIG. 8 is a sectional view of a main part corresponding to the line taken along the line in FIG. 8, and FIG. 10 is a sectional view of a main part of a third embodiment of the present invention. 1...Fixing device main body, 2...Housing, 3...
...Handle part, 4...Middle part, 5...First hinge part, 6...Protrusion, 7...Opening, 8...Second hinge part, 9...Base part, 10...Guide, 11...
Projection, 13...Hook piece, 14...Plate, 1
5...Side wall, 19...Engaging portion, 20...Protrusion piece, 2
4... Vehicle floor, 25... Assembly hole, 26... Seat, 27... Seat cushion frame, 28
... wire, 29 ... raised part, 30 ... stopper part, 31 ... taper part, 32 ... coil spring, 34 ... leaf spring.

Claims (1)

[Claims] 1. A substantially U-shaped locking body is fixed to the seat cushion frame of a vehicle seat, and a hook piece movable from an engagement position to a disengagement position is connected to the hook piece on the vehicle body floor. A seat fixing device is fixedly installed, and the hook piece is brought into an engagement position and engaged with the locked object when the seat is fixed, and the handle is operated when the seat is removed. In the structure in which the hook piece is moved to a disengaged position and the locked object is released, the hook piece is prevented from re-engaging with the locked object when the sheet is removed, and the handle portion is released. A vehicle seat fixing device, characterized in that it is provided with a re-engagement prevention means that supports the vehicle in position.