JP2022150392A - Striker, vehicle seat, and manufacturing method of striker - Google Patents

Abstract

To improve rigidity of a striker.SOLUTION: A striker 1 includes: a U shaped loop part 10 which may engage with a latch device; a base plate 20 having a base surface F1 to which both end parts of the loop part 10 are fixed; and a reinforcement member 30 which reinforces the loop part 10 and the base plate 20. The reinforcement member 30 has: a first plate-like part 31 which is disposed along the base surface F1 and supports the base surface F1; and a second plate-like part 32 which extends from one end of the first plate-like part 31 to the opposite side of the base surface F1 and is fixed to the loop part 10.SELECTED DRAWING: Figure 2

Description

The present invention relates to a striker, a vehicle seat provided with the striker, and a method of manufacturing the striker.

Conventionally, strikers are known that include a U-shaped loop portion that can be engaged with a latch device, a base plate that has a base surface to which both ends of the loop portion are fixed, and a reinforcing plate that reinforces the loop portion. (see Patent Document 1). In this technique, the reinforcing plate is installed in a direction orthogonal to the base surface, and has a flat plate-like portion positioned between two rod-shaped portions of the loop portion and two bent portions bent along each rod-shaped portion. have.

JP 2007-196721 A

By the way, it is desired to further improve the rigidity of the striker.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to improve the rigidity of a striker.

In order to solve the above problems, the striker according to the present invention includes a U-shaped loop portion that can be engaged with a latch device, a base plate having a base surface to which both ends of the loop portion are fixed, the loop portion and and a reinforcing member that reinforces the base plate.
The reinforcing member includes a first plate-shaped portion arranged along the base surface and supporting the base surface, and a second plate-shaped portion extending from one end of the first plate-shaped portion to the side opposite to the base surface. and a second plate-shaped portion fixed to the loop portion.

According to this configuration, the second plate-shaped portion is fixed to the loop portion, and the first plate-shaped portion along the base surface supports the base surface, so that the rigidity of the striker can be improved.

Further, the second plate-shaped portion may be arranged inside the loop portion.

According to this configuration, the loop portion can be reinforced from the inside by the second plate-shaped portion, so that the rigidity of the striker can be improved.

Further, the base plate has a first fastening hole for fastening the base plate to another member, and the first plate-shaped part fastens the first plate-shaped part to the other member together with the base plate. The second fastening hole may be a second fastening hole that overlaps the first fastening hole, and the second plate-like portion may be welded to the loop portion.

According to this configuration, since the first plate-like portion is fastened to another member together with the base plate, it is not necessary to fix the first plate-like portion to the base plate by welding or the like, and the manufacturing cost of the striker can be reduced. .

Further, the second plate-like portion may be orthogonal to the first plate-like portion.

Further, the first plate-like portion may have a wide portion having a width larger than the width of the one end.

With this configuration, the contact area between the first plate-shaped portion and the base plate can be increased, so that the rigidity of the base plate can be improved.

Further, the loop portion has a first extension portion and a second extension portion extending in a direction away from the base surface, and a connecting portion connecting the first extension portion and the second extension portion. Further, the second plate-like portion may be fixed to the first extension portion and the second extension portion.

According to this configuration, it is possible to improve the rigidity of the loop portion compared to, for example, a configuration in which the second plate-shaped portion is fixed only to the first extension portion.

Also, the shape of the first extension portion may be different from the shape of the second extension portion.

Further, the loop portion may have a flange portion extending along the base surface from an end portion of the first extending portion on the base plate side and joined to the base surface. .

With this configuration, the first extension can be firmly joined to the base surface.

A vehicle seat according to the present invention includes the striker described above and a frame to which the striker is fixed.

Further, a method for manufacturing a striker according to the present invention includes: a U-shaped loop portion that can be engaged with a latch device; a base plate having a base surface to which both ends of the loop portion are fixed; a first plate-shaped portion arranged along the base surface to support the base surface; and a first plate-shaped portion extending from one end of the first plate-shaped portion to the side opposite to the base surface and a reinforcing member having two plate-shaped portions, the second plate-shaped portion being fixed to the loop portion.
The striker manufacturing method includes the steps of: fixing the loop portion to the base plate; and fixing the reinforcing member to the loop portion.

According to this manufacturing method, a striker with high rigidity can be manufactured.

ADVANTAGE OF THE INVENTION According to this invention, the rigidity of a striker can be improved.

Further, since the second plate-shaped portion is arranged inside the loop portion, the loop portion can be reinforced from the inside by the second plate-shaped portion, so that the rigidity of the striker can be improved.

Further, since the first plate-like portion is configured to be fastened together with the base plate to another member, it is not necessary to fix the first plate-like portion to the base plate by welding or the like, so that the manufacturing cost of the striker can be reduced. .

In addition, by configuring the first plate-shaped portion to have a wide portion that is wider than the width of one end where the second plate-shaped portion extends, the contact area between the first plate-shaped portion and the base plate can be increased. Therefore, the rigidity of the base plate can be improved.

Further, the second plate-shaped portion is fixed to the first extension portion and the second extension portion of the loop portion, so that the second plate-shaped portion is fixed only to the first extension portion, for example. Compared to , the rigidity of the loop portion can be improved.

Further, by providing the first extension portion with the flange portion to be bonded to the base surface, the first extension portion can be firmly bonded to the base surface.

1 is a perspective view showing a vehicle seat provided with a striker according to a first embodiment; FIG. It is the perspective view (a) which shows a striker, and the exploded perspective view which decompose|disassembles and shows a striker. It is a perspective view showing a striker according to a second embodiment. It is a perspective view showing a striker according to a third embodiment. It is a perspective view which shows the striker based on a 1st reference example. FIG. 11 is a perspective view showing a striker according to a second reference example; FIG. 11 is a perspective view showing a striker according to a third reference example; FIG. 11 is a perspective view showing a striker according to a fourth reference example; FIG. 11 is a perspective view showing a striker according to a fifth reference example;

A first embodiment of the present invention will be described below with reference to the drawings.
As shown in FIG. 1, the striker 1 is fixed to, for example, a side frame S1 constituting a backrest of a frame S of a vehicle seat such as an automobile. As an example, a bracket S2 made of sheet metal is welded to the side frame S1, and the striker 1 is fixed to the bracket S2 with a fastening member such as a bolt.

A latch device (not shown) fixed to the vehicle body can be engaged with the striker 1 . A latch device is a mechanism provided with a latch that can be engaged with the striker 1 . By engaging and disengaging the latch with the striker 1, the side frame S1 is locked or unlocked with respect to the vehicle body.

As shown in FIGS. 2(a) and 2(b), the striker 1 includes a base plate having a U-shaped loop portion 10 engageable with a latch device and a base surface F1 to which both ends of the loop portion 10 are fixed. 20 and a reinforcing member 30 that reinforces the loop portion 10 and the base plate 20 . In the following description of the structure of the striker 1, for the sake of convenience, the vertical, horizontal, and longitudinal directions indicated by arrows in FIG. 2 are used, but it goes without saying that the striker 1 can be used in any posture. stomach.

The loop portion 10 is formed, for example, by bending a rod-like member made of metal into a U shape. The loop portion 10 includes a first extending portion 11 and a second extending portion 12 extending in a direction away from the base surface F1, and a connecting portion 13 connecting the first extending portion 11 and the second extending portion 12. have.

The first extending portion 11 and the second extending portion 12 are arranged side by side with a space therebetween in the left-right direction. A lower end portion of the first extension portion 11 and a lower end portion of the second extension portion 12 are fixed to the base surface F1 by welding or the like. The connecting portion 13 connects the upper end of the first extension portion 11 and the upper end of the second extension portion 12 . A latch of the latch device can be engaged with any one of the first extending portion 11 , the second extending portion 12 and the connecting portion 13 .

The base plate 20 is a plate-like member made of metal, for example. The base plate 20 has a plurality of first fastening holes H1 for fastening the base plate 20 to the bracket S2 (see FIG. 1). Although the number of the first fastening holes H1 is three in this embodiment, the number of the first fastening holes H1 may be plural.

Two first fastening holes H<b>1 are provided in front of the loop portion 10 and one is provided behind the loop portion 10 . The two first fastening holes H1 in front of the loop portion 10 are arranged side by side with a space therebetween. The first fastening hole H1 behind the loop portion 10 is positioned between the two front first fastening holes H1 in the left-right direction.

The reinforcing member 30 includes a first plate-shaped portion 31 arranged along the base surface F1 and a second plate-shaped portion extending upward (opposite to the base surface F1) from a rear end 311 of the first plate-shaped portion 31. 32 and .

The first plate-like portion 31 has two second fastening holes H2 for fastening the first plate-like portion 31 together with the base plate 20 to the bracket S2 (see FIG. 1). The two second fastening holes H2 are arranged so as to overlap the first fastening holes H1. The first plate-like portion 31 is fastened to the bracket S2 together with the base plate 20, thereby contacting the base surface F1 and supporting the base surface F1.

The first plate-like portion 31 has a wide portion 312 that is wider than the lateral width of the rear end 311 . In this embodiment, the portion other than the rear end 311 of the first plate-shaped portion 31 is a wide portion 312 . The width of the wide portion 312 gradually increases toward the front. The front end of the wide portion 312 has the widest lateral width. Both the left and right ends of the front end of the wide portion 312 are located outside the rear end 311 in the left-right direction.

The second plate-shaped portion 32 is orthogonal to the first plate-shaped portion 31 . The second plate-shaped portion 32 is arranged inside the loop portion 10 and joined (fixed) to the first extension portion 11 and the second extension portion 12 by welding. The portion hatched with dots in the drawing indicates the welding mark W. As shown in FIG. The weld marks W are arranged between the second plate-shaped portion 32 and the extension portions 11 and 12 and extend in the vertical direction.

The second plate-like portion 32 has two holes H3 that are vertically spaced apart from each other. Each hole H3 is arranged in the center of the second plate-shaped portion 32 in the left-right direction.

Next, a method for manufacturing the striker 1 will be described.
As shown in FIG. 2B, the operator first fixes the loop portion 10 to the base plate 20 by welding or the like (first step). Next, the operator places the first plate-like portion 31 on the base surface F1 so that the second fastening holes H2 overlap the first fastening holes H1, and the second plate-like portion 32 and the extensions The reinforcing member 30 is fixed to the loop portion 10 by joining the existing portions 11 and 12 by welding (second step). The order of the first step and the second step may be reversed. That is, the loop portion 10 may be welded to the base plate 20 after the second plate-like portion 32 is welded to the extension portions 11 and 12 . The striker 1 is manufactured by the above. When the striker 1 is attached to the frame S, fastening members are passed through the fastening holes H1 and H2 to fasten the base plate 20 together with the second plate-like portion 32 to the bracket S2.

According to the above, the following effects can be obtained in this embodiment.
Since the second plate-like portion 32 is fixed to the loop portion 10 and the first plate-like portion 31 along the base surface F1 supports the base surface F1, the rigidity of the striker 1 can be improved.

By arranging the second plate-shaped portion 32 inside the loop portion 10, the loop portion 10 can be reinforced from the inside by the second plate-shaped portion 32, so that the rigidity of the striker 1 can be improved.

Since the first plate-like portion 31 is fastened to the bracket S2 together with the base plate 20, there is no need to fix the first plate-like portion 31 to the base plate 20 by welding or the like, and the manufacturing cost of the striker 1 can be reduced.

Since the first plate-like portion 31 has the wide portion 312 wider than the width of the rear end 311, the contact area between the first plate-like portion 31 and the base plate 20 can be increased, and the rigidity of the base plate 20 can be improved. be able to. In addition, since the first plate-like portion 31 has the wide portion 312, it is possible to increase the distance between the two second fastening holes H2 arranged side by side. It can be fixed firmly.

Since the second plate-shaped portion 32 is fixed to the first extension portion 11 and the second extension portion 12, the rigidity of the loop portion 10 is reduced compared to, for example, a configuration in which the second plate-shaped portion is fixed only to the first extension portion. can be improved.

The present invention is not limited to the first embodiment, and can be used in various forms as exemplified below. In the following description, members having substantially the same structure as in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

As shown in FIG. 3, a striker 1A according to the second embodiment has a loop portion 10A and a reinforcing member 30A different from those of the first embodiment. The loop portion 10A is formed by pressing a metal plate. The loop portion 10A has a first extension portion 11A, a second extension portion 12A and a connecting portion 13A which are different from those in the first embodiment, and a flange portion 14A which is not in the first embodiment. The first extending portion 11A, the second extending portion 12A, the connecting portion 13A and the flange portion 14A are integrally formed.

The shape of the first extension portion 11A is different from the shape of the second extension portion 12A. Specifically, the first extending portion 11A has a plate shape and a trapezoidal shape in which the width of the upper end (the length in the front-rear direction) is smaller than the width of the lower end. The connecting portion 13A has a plate shape, and has a trapezoidal shape in which the width (length in the front-rear direction) of the left end of the first extending portion 11A is larger than the width of the right end of the second extending portion 12A. .

The second extension portion 12A has a cylindrical outer peripheral surface. Specifically, the second extending portion 12A is formed in a cylindrical shape by press-molding a metal plate so as to be rolled into a cylindrical shape. The cylindrical second extension 12A is engageable with a latch device. A lower end of the second extension portion 12A is fixed to the base plate 20 by welding or the like.

The flange portion 14A extends laterally outward along the base surface F1 from the lower end portion (the end portion on the side of the base plate 20) of the first extension portion 11A. The flange portion 14A is joined to the base surface F1 by welding or the like.

The reinforcing member 30A has a first plate-like portion 31A different from that of the first embodiment. Unlike the first embodiment, the first plate-like portion 31A has a constant left-right width. The second plate-shaped portion 32 is joined by welding or the like to the laterally inner surface of the plate-shaped first extension portion 11A.

As described above, according to the second embodiment, since the flange portion 14A provided at the lower end portion of the first extension portion 11A is joined to the base surface F1, the first extension portion 11A is firmly joined to the base surface F1. be able to.

As shown in FIG. 4, a striker 1B according to the third embodiment is obtained by partially changing the structure of the striker 1A according to the second embodiment. Specifically, the striker 1B has a loop portion 10B different from that of the second embodiment.

The loop portion 10B has a first extension portion 11A and a flange portion 14A that are substantially the same as those in the second embodiment, and has a second extension portion 12B and a connecting portion 13B that are different from those in the second embodiment. there is The second extending portion 12B and the connecting portion 13B are integrally formed by, for example, bending a rod-like member made of metal into an L shape. The left end of the connecting portion 13B is joined to the first extending portion 11A by welding or the like. The connecting portion 13B or the second extending portion 12B can be engaged with a latch device.

5 to 8 are diagrams showing reference examples.
As shown in FIG. 5, the striker 2 according to the first reference example includes a loop portion 10A substantially similar to that of the second embodiment, a base plate 20 substantially similar to that of the first embodiment, and each of the above-described embodiments. are provided with different reinforcing members 230 . The reinforcing member 230 is a rectangular plate member, and is arranged inside the loop portion 10A with one end in contact with the base surface F1. Both left and right ends of the reinforcing member 230 are welded to the first extension portion 11A and the second extension portion 12A. One end of the reinforcing member 230 that contacts the base surface F1 may or may not be fixed to the base surface F1 by welding.

As shown in FIG. 6, a striker 2A according to the second reference example includes a base plate 20 substantially similar to that of the first embodiment, and a latch engagement member 40 that is not provided in each of the embodiments described above. The latch engaging member 40 has a first plate-like portion 31 substantially similar to that of the first embodiment, and a second plate-like portion 42 having a slightly different structure from that of the first embodiment. The left and right ends and the rear end of the first plate-shaped portion 31 are respectively joined to the base plate 20 by welding.

The second plate-like portion 42 is a rectangular plate, and has the two holes H3 described above and a rectangular hole H4 larger than the hole H3. The hole H4 is arranged above the second plate-shaped portion 42, more specifically, above the two holes H3, and the upper, left and right sides are separated from the upper, left and right ends of the second plate-shaped portion 42 by a predetermined distance, respectively. ing. As a result, the left and right side portions and the upper portion of the hole H4 in the second plate-like portion 42 form the first extension portion 51, the second extension portion 52, and the connection portion 53 that constitute the loop portion 50. . The first extending portion 51, the second extending portion 52 or the connecting portion 53 can be engaged with a latch device.

As shown in FIG. 7, a striker 2B according to the third reference example includes a base plate 20 substantially similar to that of the first embodiment, and a latch engaging member 40A having a structure slightly different from that of the second reference example. there is The latch engaging member 40A has a structure obtained by removing the first plate-like portion 31 from the latch engaging member 40 of the second reference example. A lower end of the latch engaging member 40A is joined to the base plate 20 by welding.

As shown in FIG. 8, the striker 2C according to the fourth reference example is composed of one plate. The striker 2C has a loop portion 50, three legs 61 to 63, and an intermediate portion 64 connecting the loop portion 50 and the legs 61 to 63, which are substantially similar to those of the second reference example.

The leg portions 61 to 63 are arranged in a row with a space therebetween in the left-right direction. The left and right leg portions 61 and 62 of the three extend downward from the intermediate portion 64 and then extend forward. The middle leg 63 of the three extends downward from the intermediate portion 64 and then rearward. A fastening hole H5 for fastening the striker 2C to the bracket S2 is formed at the tip of each of the legs 61-63.

As shown in FIG. 9, a striker 2D according to the fifth reference example includes a loop portion 10 and a base plate 20 substantially similar to those of the first embodiment, and a reinforcing member 330 different from the above-described embodiments. there is The reinforcing member 330 has a first portion 331 extending from the first extension portion 11 to the second extension portion 12 and a second portion 332 having a smaller width in the horizontal direction than the first portion 331 .

The first portion 331 and the second portion 332 are arranged inside the loop portion 10 . The second portion 332 extends upward from the left portion of the upper end of the first portion 331 and is separated from the second extending portion 12 and the connecting portion 13 . The second portion 332 has an arcuate right edge so that the left and right widths of the second portion 332 become smaller toward the upper end.

The first portion 331 is fixed to the first extension portion 11, the second extension portion 12 and the base plate 20 by welding. The second portion 332 is joined to the first extension portion 11 . In this fifth reference example, the latch device can be engaged with the second extending portion 12 or the connecting portion 13 . Therefore, the range (bonding range) in which the first extending portion 11 on the side that the latch device does not engage is reinforced by the reinforcing member 330 is the same as the range in which the second extending portion 12 on the side that the latch device engages is reinforced by the reinforcing member 330 . It is larger than the range to be reinforced. This makes it possible to further suppress the bending of the striker 2D.

In each embodiment or reference example described above, the portion fixed by welding may be fixed with an adhesive or the like.

In the first to third embodiments, the first plate-like portion may be fixed to the base plate by welding or the like.

The second plate-shaped portion may be arranged outside the loop portion. Moreover, the second plate-shaped portion may be fixed to a part of the loop portion, and may be fixed to only one of the two extension portions, for example.

The striker is not only used for the backrest of a vehicle seat such as a vehicle, but may be provided on the seating portion or legs of the vehicle seat, and is used as a device for locking the opening and closing portion of a vehicle trunk or the like. can also Also, the vehicle seat may be a seat of a ship or an airplane other than a vehicle. Further, when the vehicle seat is provided with the latch device, the striker may be provided on the vehicle body.

Each element described in the embodiment and the reference example described above may be combined arbitrarily and implemented.

1 striker 10 loop part 20 base plate 30 reinforcing member 31 first plate-like part 32 second plate-like part F1 base surface

Claims (10)

a U-shaped loop portion engagable with the latching device;
a base plate having a base surface to which both ends of the loop portion are fixed;
a reinforcing member that reinforces the loop portion and the base plate,
The reinforcing member is
a first plate-shaped portion arranged along the base surface and supporting the base surface;
A striker, comprising: a second plate-shaped portion extending from one end of the first plate-shaped portion to a side opposite to the base surface, the second plate-shaped portion being fixed to the loop portion. The striker according to claim 1, wherein the second plate-shaped portion is arranged inside the loop portion. The base plate has a first fastening hole for fastening the base plate to another member,
the first plate-shaped portion has a second fastening hole for fastening the first plate-shaped portion to the other member together with the base plate, the second fastening hole overlapping the first fastening hole;
3. The striker according to claim 1, wherein the second plate-like portion is welded to the loop portion. The striker according to any one of claims 1 to 3, wherein the second plate-like portion is orthogonal to the first plate-like portion. The striker according to any one of claims 1 to 4, wherein the first plate-like portion has a wide portion having a width larger than the width of the one end. The loop part is
a first extension and a second extension extending away from the base surface;
a connecting portion that connects the first extending portion and the second extending portion;
The striker according to any one of claims 1 to 5, wherein the second plate portion is fixed to the first extension portion and the second extension portion. 7. The striker of claim 6, wherein the shape of the first extension is different than the shape of the second extension. The loop part is
8. A flange portion extending along the base surface from an end portion of the first extension portion on the base plate side and joined to the base surface. striker described in . A striker according to any one of claims 1 to 8;
and a frame to which the striker is fixed. A base plate having a U-shaped loop portion that can be engaged with a latch device, a base surface to which both ends of the loop portion are fixed, and a reinforcing member that reinforces the loop portion and the base plate, the base surface comprising: and a second plate-shaped portion extending from one end of the first plate-shaped portion to the side opposite to the base surface, the second plate-shaped portion being disposed along the loop portion A method for manufacturing a striker comprising a reinforcing member having a fixed second plate-shaped portion,
securing the loop portion to the base plate;
and fixing the reinforcing member to the loop portion.

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