JPH0418565B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a vehicle seat fixing device used to removably attach a vehicle seat to a vehicle body.

(Prior Art) An example of this type of vehicle seat fixing device is the one disclosed in Japanese Utility Model Application No. 59-85731. There are devices similar to those disclosed in this publication as shown in FIGS. 9 to 11.

The vehicle seat fixing device shown in FIG.
It is composed of a locking hook 2 attached to a rear seat cushion 1 and a lock part 5 fitted into a fitting hole 4 of a floor panel 3. As shown in FIGS. 10 and 11, this lock component 5 includes a cylindrical body 6 having an oval planar shape and a bottom, a flange 7 protruding from the upper end of this cylindrical body 6, It includes locking protrusions 8, 8 provided on the outer peripheral surface of the cylindrical main body 6, and locking claws 9, 9 provided on the inner peripheral surface of the cylindrical main body 6. The locking pawls 9 are opposed to each other, and a first inclined guide surface 10 is provided at the top of each locking pawl 9, and a second sloped guide surface 11 is provided at the bottom of each locking pawl 9. It is being

In the seat fixing device having such a configuration, by fitting the cylindrical main body 6 into the fitting hole 4, the side edge of the fitting hole 4 of the floor panel 3 is placed between the flange 7 and the locking protrusion 8. The lock part 5 is fixed to the floor panel 3 by being held between the two. In addition, the locking hook 2
By press-fitting the locking hook 2 between the locking claws 9, 9 in the cylindrical body 6, the lower end of the locking hook 2 is guided by the first inclined guide surfaces 10, 10, and the space between the locking claws 9, 9 is expanded. While doing so, it is moved below the locking claws 9, 9.
When the lower end of the locking hook 2 is displaced below the locking claws 9, 9, fixing of the rear seat cushion 1 to the floor panel 3 by the locking hook 2 and the lock component 5 is completed.

Furthermore, by pulling the locking hook 2 upward with a force greater than a predetermined value, the lower end of the locking hook 2 is guided by the second inclined guide surfaces 11, 11, and the space between the locking claws 9, 9 is expanded. while being moved upwards,
The locking hook 2 is removed from the lock part 5.

(Problems to be Solved by the Invention) Although the locking hook 2 is attached to and removed from the lock component 5 in this manner, the locking claws 9, 9 lack durability because their strength is not very high. . As a result, the locking claws 9, 9 may break when the locking hook 2 is attached to and removed from the lock component 5.

Furthermore, since the force required to attach and detach the locking hook 2 to and from the lock part 5 is large, there is a problem in that it is difficult to attach and detach the rear seat cushion 1 to and from the floor panel 3.

SUMMARY OF THE INVENTION An object of this invention is to provide a vehicle seat fixing device that is durable and allows a rear seat cushion to be easily attached to and detached from a floor panel.

(Means for Solving the Problem) In order to achieve this object, the present invention includes a mounting hole formed in a floor panel of a vehicle body, and a plurality of locking claws provided in a case for holding a locking member attached to the mounting hole. The case is fixed to the floor panel by being locked to the seat, and a locking part of a locking protrusion provided integrally with the seat is inserted into an engagement hole of the case,
A locking member is held in the case so as to be movable forward and backward in a direction intersecting the engagement hole, and
A vehicle seat fixing device in which the lock member is provided with a lock portion that engages and disengages from the locking portion as the lock member moves forward and backward, the pair of case members having the cases hinged to each other. The engagement hole is formed corresponding to the pair of case members, and the lock member is held between the pair of case members so as to be movable forward and backward in a direction intersecting the engagement hole. In addition, the vehicle seat fixing device is provided with a locking pawl that engages with a mounting hole of the floor panel and fixes the pair of case members to each other on the upper one of the pair of case members. It is characterized by:

(Function) According to such a configuration, the lock portion provided on the lock member engages and disengages from the locking portion of the locking protrusion as the locking member advances and retreats, and the locking portion of the locking protrusion engages with and disengages from the locking portion of the locking protrusion. Fixing/unfixing is performed.

(Example) Hereinafter, an example of the present invention will be described based on FIGS. 1 to 8.

1 to 6 show a first embodiment of this invention. In FIG. 1, 12 is a floor panel of a vehicle, and 13 is a rear seat cushion of a rear seat of the vehicle. This rear seat cushion 1
As shown in FIGS. 1 and 2, a plate-shaped locking protrusion 14 is integrally fixed to the front end of the bottom surface of 3. As shown in FIGS. This locking protrusion 14 is formed with locking grooves 15, 15 as locking portions as shown in FIGS. 1 to 3, 5, and 6.

Furthermore, a fixed component mounting hole 16 is formed in a portion of the floor panel 12 that corresponds to the locking protrusion 14 . A fixing component 17 for fixing the locking protrusion is attached to the fixing component attachment hole 16 by means described later.

As shown in FIGS. 3 and 4, this fixed part 17 is composed of a case 18 for holding a lock member and a lock member 19 held by this case 18. The case 18 is composed of a pair of case members 21 and 22 that open and close around a thin hinge part 20. Note that 21a and 22a are mating surfaces of the case members 21 and 22.

This case member 21 has a lock member installation groove 23 that opens on the mating surface 21a, and claw insertion holes 24, 2.
4 is formed, and a locking pawl 25 is integrally formed. The locking member arranging groove 23 is formed into a substantially T-shape including a wide groove portion 23a and a narrow groove portion 23b. This wide groove portion 23a is located on the thin hinge portion 20 side, and the narrow groove portion 23b is located on the side of the case member 2.
The free end portion opposite to the thin hinge portion 20 of No. 1 is open to the end surface. Moreover, positioning protrusions 23c, 23c for positioning and providing a click feeling are protrudingly provided on the opposing side surfaces of the narrow groove portion 23b.

The pawl insertion holes 24, 24 are located on both sides of the open end of the narrow groove portion 23b, and the locking pawl 25 is located on the thin hinge portion 20 side of the lower surface of the case member 21.
Further, a slit 26 is formed in the case member 21 as an engagement hole, which opens in a portion of the narrow groove portion 23b on the wide groove portion 23a side. This slit 26 extends in the width direction of the narrow groove portion 23b.

Case member 2 located above case member 21
There are locking claws 2 on both sides of the free end of the mating surface 22a of 2.
7 and 27 are integrally provided, and a slit 28 serving as an engagement hole is provided on the thin hinge portion 20 side of the case member 22.
is drilled. The locking claws 27, 27 are provided corresponding to the claw insertion holes 24, 24, and when the case members 21, 22 are put together, the claw insertion holes 2
4 and 24. Furthermore, the slits 26 and 28 are arranged to face each other when the case members 21 and 22 are put together.

The lock member 19 has a wide part 19a and a narrow part 19b.
It is formed into an approximately T-shape. This narrow part 1
A guide hole 29 consisting of a wide guide hole 29a and a narrow guide hole 29b is formed in the wide portion 19a side of the 9b, and a finger insertion hole 30 is formed in the free end of the narrow portion 19b. There is. The width of the locking protrusion 14 is smaller than the width of the wide guide hole 29a, and the width of the locking protrusion 14 is smaller than the width of the wide guide hole 29a.
It is formed larger than the width of 9b. Further, a portion of the wide portion 19a along the narrow guide hole portion 29b becomes a lock portion 19c that engages and disengages from the locking groove 15 of the lock member 19. Further, positioning protrusions 31, 31 are provided on both sides of the intermediate portion of the narrow portion 19b for positioning and providing a feeling of cracking.

The wide portion 19a of the lock member 19 is loosely inserted into the wide groove 23a of the case member 21, and the narrow portion 19b of the lock member 19 is loosely inserted into the narrow groove 23b of the case member 21. Moreover, the third
By aligning the case members 21 and 22 as shown in the figure, the lock member 19 can be attached to the case members 21 and 22.
It is slidably held in between. This allows the locking member 19 to move forward and backward in a direction intersecting the slits 26 and 28 serving as engagement holes. In addition, case member 2
1 and 22 are aligned and the locking claws 27 are made to protrude downward from the case member 21 as shown in FIG. , locking claw 25,2
The claw portions 25a and 27a of No. 7 engage with the lower part of the floor panel 12 as shown in FIG.

Next, the operation and other setting conditions of the seat fixing device having such a configuration will be explained.

According to such a configuration, by inserting a finger into the finger insertion hole 30 and pulling out the locking member 19 toward the front as shown in FIG. The hole 29a corresponds to the slits 26 and 28. This positioning protrusion 31 is the positioning protrusion 23c.
You can feel a click when you overcome the problem. After this, attach the rear seat cushion 13 to the floor panel 1.
At the same time, the locking protrusion 14 of the rear seat cushion 13 is inserted into the slit 26, the wide guide hole 29a, and the slit 28 as shown in FIG. In this position, the locking protrusion 14
The locking groove 15 is the slit 26, the wide guide hole 2
9a and slit 28.

When the lock member 19 is pressed and displaced into the lock member arrangement groove 23 at this position, the narrow guide hole 29b of the lock member 19 moves toward the lock member 19, and the positioning protrusion 31 moves the positioning protrusion 23c as described above. The locking portion 19c of the locking member 19 engages with the locking groove 15 of the locking projection 14 as shown in FIG. 5. When the positioning protrusion 31 climbs over the positioning protrusion 23c, a click feeling is also obtained as described above. In this state, the locking protrusion 1
4 is prevented from being removed upwardly, the rear seat cushion 13 is fixed to the floor panel 12.

When removing the locking protrusion 14, insert your finger into the finger insertion hole 30 and pull out the locking member 19 toward you as shown in FIG. It would be better if it corresponds to In this position, the locking projection 14 can be easily extracted from the slits 26, 28 of the fixing part 17.

Note that, as described above, at the position where the positioning protrusion 31 has climbed over the positioning protrusion 23c, the lock member 1
Since the movement of the lock member 9 is prevented, the lock member 19 will not move due to vibrations of the vehicle body or the like.

FIG. 7 shows a second embodiment of this invention. In this embodiment, the guide hole 29 of the above-mentioned embodiment is replaced with a triangular guide hole 32. The bottom 32a side of the guide hole 32 is designed to allow the lock member 19 to be inserted therethrough. Moreover,
A portion of the narrow portion 19b corresponding to the intermediate portion of the guide hole 32 becomes a lock portion. In this embodiment, the operation of the lock member 19 may be the same as in the first embodiment. This embodiment also provides the same effects as the first embodiment.

FIG. 8 shows a third embodiment of this invention. In this embodiment, instead of the locking member arranging groove 23 of the first embodiment, a locking member arranging groove 33 whose central portion bulges left and right is provided in the case member 21, and this locking member arranging groove 33 is inserted into the slit 26. In addition, a lock member 36 consisting of a lock wire 34 and knobs 35, 35 attached to both ends of the lock wire 34 is replaced with the plate-shaped lock member 19 of the first embodiment.

In this embodiment, the middle portion of the lock wire 34 serves as the lock portion. Then, with the locking protrusion 14 inserted into the slits 26 and 28, the knobs 35 and 3 are turned.
5 in the direction away from each other in the figure, and move the middle part of the lock wire 34 to the center side of the slit 26, the middle part of the lock wire 34 engages with the locking grooves 15, 15, and the locking protrusion 14 is prevented from coming off. Also, by operating the knobs 35, 35 in the opposite manner to the above, the lock wire 34
can be removed from the locking grooves 15, 15. In this way, in this embodiment as well, the lock wire 34
An intermediate portion serving as a locking portion moves in the direction in which the slits 26 and 28 intersect and engages and disengages from the locking grooves 15 and 15.

(Effects of the Invention) As explained above, the present invention has a mounting hole formed in the floor panel of a vehicle body, and a plurality of locking claws provided on a case for holding a locking member are locked in the mounting hole. , the case is fixed to the floor panel, a locking portion of a locking protrusion provided integrally with the seat is inserted into the engagement hole of the case, and the locking member is movable forward and backward in a direction intersecting the engagement hole. In the vehicle seat fixing device, the lock member is provided with a lock portion that is held in the case and that engages and disengages from the locking portion as the lock member moves forward and backward, The case is composed of a pair of case members hinged to each other, the engagement hole is formed corresponding to the pair of case members, and the lock member intersects with the engagement hole between the pair of case members. The upper one of the pair of case members has a locking claw that engages with the mounting hole of the floor panel and fixes the pair of case members to each other. Since the present invention is a seat fixing device for a vehicle equipped with a seat cushion, durability can be improved, and the rear seat cushion can be easily attached to and detached from the floor panel. Moreover, according to the above-mentioned configuration, it is possible to eliminate parts such as screws for fixing a pair of case members to each other, and even when an upward force is applied to the lock member from the seat, the lock member cannot be fixed to the upper case member. It can be pressed directly with .

In addition, since a locking member is provided between the pair of hinged case members to hold the case,
Even if the lock member is formed from a material that is easily bent, such as wire, the lock member can be used as the case member 2.
It can be easily arranged and held between 1 and 22.

[Brief explanation of drawings]

1 to 6 show a first embodiment of the vehicle seat fixing device according to this invention, FIG. 1 is a schematic explanatory diagram showing the relationship between the seat fixing device and the rear seat cushion, and FIG. The figure is a partial perspective view of the rear seat cushion shown in Figure 1, viewed from the bottom side.
3 is a perspective view of the seat fixing device shown in FIG. 1, FIG. 4 is a perspective view showing the relationship between the case and the lock member shown in FIG. 3, and FIG. 5 is a perspective view of the seat fixing device shown in FIG. FIG. 6 is a perspective view showing the relationship between the locking projection and the locking member; FIG. 6 is a sectional view showing the locking projection shown in FIGS. 1 and 3 inserted into the engagement hole (slit) of the fixing component; Fig. 7 is a perspective view of a locking member showing a second embodiment of this invention, Fig. 8 is a perspective view of a fixing part showing a third embodiment of this invention, and Fig. 9 is a conventional rear seat cushion and seat fixing device. 10 is an enlarged perspective view of the seat fixing device shown in FIG. 9, and FIG. 11 is an assembly of each part of the seat fixing device shown in FIGS. 9 and 10. It is a sectional view showing a state. 12... Floor panel (vehicle body), 13... Rear seat cushion, 14... Locking protrusion, 15...
Locking groove (locking part), 17... Fixed part, 18...
Case, 19...Lock member, 19c...Lock portion, 23...Lock member arrangement groove, 26...Slit (engaging hole), 28...Slit (engaging hole), 29
...Guide hole, 29a...Wide guide hole portion, 29
b...Narrow guide hole portion, 32...Guide hole, 33
... Lock member arrangement groove, 34 ... Lock wire (lock member), 36 ... Lock member.

Claims (1)

[Scope of Claims] 1. A mounting hole is formed in a floor panel of a vehicle body, and a plurality of locking claws provided on a case for holding a locking member are locked in the mounting hole, so that the case can be attached to the floor panel. A locking portion of a locking protrusion that is fixed and integrally provided on the seat is inserted into the engagement hole of the case, and the lock member is held in the case so as to be movable forward and backward in a direction intersecting the engagement hole. In the vehicle seat fixing device, the lock member is provided with a lock portion that engages and disengages from the locking portion as the lock member moves forward and backward, the pair of cases being hinged to each other. The engagement hole is formed corresponding to the pair of case members, and the lock member is held between the pair of case members so as to be movable forward and backward in a direction intersecting the engagement hole. Further, an upper one of the pair of case members is provided with a locking claw that engages with a mounting hole of the floor panel and fixes the pair of case members to each other. Vehicle seat fixing device.