JP2022041295A - Buckle device - Google Patents

Abstract

To reduce the number of components.SOLUTION: In a buckle device 10, a boot 34 and an anchor plate 22 are sandwiched between a base part 36A and an engagement claw 36C of a clip 36 to attach the boot 34 to the anchor plate 22. Before the boot 34 is attached to the anchor plate 22, a separation plate 36D of the clip 36 is integrated with the boot 34 and the separation plate 36D is torn from the boot 34 to attach the boot 34 to the anchor plate 22 with the clip 36. Thus, the number of components can be reduced.SELECTED DRAWING: Figure 2

Description

The present invention relates to a buckle device in which a buckle body is covered with a covering member.

In the buckle device described in Patent Document 1 below, the boot body is covered with the boot, and the fixing plate is fixed to the vehicle body side, and the clip is locked to the clip insertion hole of the boot and the clip locking hole of the fixing plate. The boots are attached to the fixing plate.

Here, in such a buckle device, it is preferable that the number of parts can be reduced.

Japanese Unexamined Patent Publication No. 2016-137884

It is an object of the present invention to obtain a buckle device capable of reducing the number of parts in consideration of the above facts.

The buckle device according to the first aspect of the present invention includes a buckle body to which a tongue provided on a webbing mounted on an occupant is engaged, a fixing member fixed to the vehicle body side, and a covering member covering the buckle body. It is provided with a locking portion that is separated from the covering member from a state of being integrally provided on the covering member, is locked to the fixing member, and the covering member is attached to the fixing member.

The buckle device according to the second aspect of the present invention is provided at the boundary portion of the locking portion with the covering member in the buckle device according to the first aspect of the present invention, and separates the locking portion from the covering member. It is equipped with an auxiliary part to assist.

The buckle device according to the third aspect of the present invention includes a buckle body to which a tongue provided on a webbing mounted on an occupant is engaged, a fixing member fixed to the vehicle body side, and a covering member covering the buckle body. It is provided integrally with the covering member, and includes a locking portion that is locked to the fixing member and the covering member is attached to the fixing member.

In the buckle device of the third aspect of the present invention, the buckle device of the fourth aspect of the present invention is integrally provided with the covering member, the locking portion is integrally provided, and the locking portion is integrally provided with the covering member. Equipped with a contact department to contact.

The buckle device according to the fifth aspect of the present invention is provided in the covering member in the buckle device according to the fourth aspect of the present invention, and the connecting portion is inserted to suppress the protrusion of the connecting portion from the covering member. Provided an insertion groove.

In the buckle device of the first aspect of the present invention, the tongue provided on the webbing mounted on the occupant is engaged with the buckle body. Further, the fixing member is fixed to the vehicle body side, and the buckle body is covered with the covering member. Further, the locking portion is locked to the fixing member, and the covering member is attached to the fixing member.

Here, the locking portion is separated from the covering member from the state of being integrally provided on the covering member. Therefore, the number of parts can be reduced.

In the buckle device of the second aspect of the present invention, an auxiliary portion is provided at the boundary portion of the locking portion with the covering member to assist the separation of the locking portion from the covering member. Therefore, the locking portion can be easily separated from the covering member.

In the buckle device of the third aspect of the present invention, the tongue provided on the webbing mounted on the occupant is engaged with the buckle body. Further, the fixing member is fixed to the vehicle body side, and the buckle body is covered with the covering member. Further, the locking portion is locked to the fixing member, and the covering member is attached to the fixing member.

Here, the locking portion is integrally provided with the covering member. Therefore, the number of parts can be reduced.

In the buckle device of the fourth aspect of the present invention, a connecting portion is integrally provided with the covering member, a locking portion is integrally provided with the connecting portion, and the connecting portion communicates the locking portion with the covering member. Therefore, the degree of freedom in the position of the locking portion with respect to the covering member can be increased.

In the buckle device of the fifth aspect of the present invention, the connecting portion is inserted into the insertion groove of the covering member, and the protrusion of the connecting portion from the covering member is suppressed. Therefore, it is possible to suppress the protrusion of the connecting portion from the covering member.

It is a rear view which shows the buckle apparatus which concerns on 1st Embodiment of this invention, seen from the rear. It is sectional drawing seen from the rear which shows the buckle apparatus which concerns on 1st Embodiment of this invention. It is a side view seen from the right which shows the inside of the buckle apparatus which concerns on 1st Embodiment of this invention. (A) and (B) are cross-sectional views seen from the rear showing the main part of the buckle device according to the first embodiment of the present invention, and (A) shows before attaching the boot to the anchor plate. (B) shows after the boot is attached to the anchor plate. (A) and (B) are views showing the main part of the buckle device according to the second embodiment of the present invention, (A) is a perspective view seen from the front side, and (B) is a lower side. It is a cross-sectional view (5B-5B line position cross-sectional view of (A)) seen from. (A) is a cross-sectional view seen from the rear side showing a modified example of the buckle device according to the first embodiment of the present invention, and (B) is a modified example of the buckle device according to the second embodiment of the present invention. It is a cross-sectional view (5B-5B line position cross-sectional view of FIG. 5A) seen from the lower side which shows.

[First Embodiment]
FIG. 1 shows a rear view of the buckle device 10 according to the first embodiment of the present invention as viewed from the rear, and FIG. 2 shows a cross-sectional view of the buckle device 10 as viewed from the rear. ing. Further, FIG. 3 shows the inside of the buckle device 10 in a side view as viewed from the right. In the drawing, the front of the buckle device 10 is indicated by an arrow FR, the right side (front side) of the buckle device 10 is indicated by an arrow RH, and the upper portion of the buckle device 10 is indicated by an arrow UP.

The buckle device 10 according to the present embodiment constitutes a seatbelt device 12 of a vehicle (automobile), and the seatbelt device 12 is applied to a seat (not shown) in the vehicle interior. The buckle device 10 is installed inside and below the vehicle width direction at the rear of the seat, and the front, right and upper sides of the buckle device 10 are directed to the front or rear of the vehicle, inward and upward in the vehicle width direction, respectively. ing.

As shown in FIGS. 1 to 3, a substantially rectangular parallelepiped buckle main body 14 is provided on the upper portion of the buckle device 10. The tongue 16 of the seatbelt device 12 is engaged with the buckle body 14 from above, and the tongue 16 is disengaged from the buckle body 14. The long strip-shaped webbing 18 of the seatbelt device 12 is movably penetrated through the tongue 16, and the tongue 16 is engaged with the buckle body 14, so that the webbing 18 is attached to the occupant seated on the seat. , The engagement of the tongue 16 with the buckle body 14 is released, and the attachment of the webbing 18 to the occupant is released.

A metal connecting plate 14A is provided in the buckle main body 14, and the connecting plate 14A is exposed on the lower side of the buckle main body 14.

A switch (not shown) as a detection unit is provided in the buckle main body 14, and the switch detects the engagement of the tongue 16 with the buckle main body 14. The base end of the wire harness 20 is electrically connected to the switch, and the wire harness 20 extends downward from the buckle body 14, and the tip end side is electrically connected to the vehicle control device (not shown). It is connected. The wire harness 20 is provided with a plurality of wiring cords 20A, and the plurality of wiring cords 20A are housed in a long cylindrical wiring tube 20B except for the tip end portion and the base end portion. The wire harness 20 is spirally curved except for the tip end portion and the base end portion, and the wire harness 20 has flexibility.

A metal anchor plate 22 as a fixing member is provided at the lower part of the buckle device 10. A circular fastening hole 24 is formed through the lower portion of the anchor plate 22, a fastening member (not shown) is penetrated through the fastening hole 24, and the lower portion of the anchor plate 22 is the seat of the lower seat (seat cushion). It is fastened and fixed to the cushion frame 26 (vehicle body side) by a fastening member.

A substantially long rectangular connecting hole 28 is formed through the upper portion of the anchor plate 22, and the connecting hole 28 is extended in the front-rear direction. A substantially rectangular locking hole 30 as a locked portion is formed through the upper portion of the anchor plate 22, and the locking hole 30 is arranged below the connecting hole 28.

A band-shaped connecting webbing 32 as a connecting member is provided between the buckle main body 14 and the anchor plate 22. One side of the connecting webbing 32 is penetrated through the connecting plate 14A of the buckle body 14 and folded back, and the other side of the connecting webbing 32 is inserted into the connecting hole 28 of the anchor plate 22 and folded back. One side, the middle and the other side of the connecting webbing 32 are sewn in a laminated state, and the buckle body 14 and the anchor plate 22 are connected by the connecting webbing 32.

A substantially rectangular tubular boot 34 (cover) as a covering member is provided in the range from the buckle body 14 to the anchor plate 22, and the boot 34 is made of soft resin and has flexibility. ing. The upper portion of the boot 34 is expanded in the left-right direction and the front-rear direction, and the upper portion of the boot 34 is fitted with the lower portion of the buckle main body 14 inside to cover the lower portion of the buckle main body 14. In the boot 34, the connecting webbing 32, the base end side portion of the wire harness 20, and the upper portion of the anchor plate 22 are housed under the buckle body 14, and the anchor plate 22 is housed under the boot 34. The lower part is projected and the wire harness 20 is extended. When the buckle body 14, the connecting webbing 32, the wire harness 20 and the anchor plate 22 are inserted into the boot 34, the anchor plate 22, the wire harness 20, the connecting webbing 32 and the buckle body 14 are inserted into the boot 34 from above. Then, the anchor plate 22 and the wire harness 20 are discharged to the lower side of the boot 34.

A clip 36 having a substantially rectangular columnar shape as a locking portion is integrally formed at the lower end of the left wall of the boot 34 (see FIGS. 1 and 4 (A)), and the clip 36 projects to the left from the boot 34. Has been done. A rectangular plate-shaped base 36A is coaxially provided at the left end of the clip 36, and a rectangular columnar insertion portion 36B is coaxially provided on the right side of the base 36A. It protrudes in the vertical direction and the front-back direction with respect to 36B. A trapezoidal columnar locking claw 36C is coaxially provided on the right side of the insertion portion 36B, and the locking claw 36C is expanded in the vertical direction toward the left side and protrudes in the vertical direction with respect to the insertion portion 36B. Has been done. A rectangular plate-shaped separation plate 36D is coaxially provided on the right side of the locking claw 36C, and the separation plate 36D constitutes the left wall of the boot 34. On the right surface of the left wall of the boot 34, a separation groove 36E having a triangular cross section as an auxiliary portion is formed on the entire circumference of the separation plate 36D, and the separation groove 36E is opened to the right side. A plurality of separation grooves 36E may be formed at intervals in the circumferential direction of the separation plate 36D.

Here, the clip 36 is pressed to the right side, and the separation plate 36D is broken (separated) from the left wall of the boot 34 with the separation groove 36E as the starting point, so that the locking claw 36C is elastically contracted in the vertical direction. , Passed through the locking hole 30 of the anchor plate 22 (see FIGS. 2 and 4 (B)). Therefore, the insertion portion 36B is penetrated through the left wall of the boot 34 and the locking hole 30, and the locking claw 36C is elastically restored in the vertical direction, so that the boot is between the base portion 36A and the locking claw 36C. The boot 34 is attached to the anchor plate 22 by sandwiching the left wall of the 34 and the anchor plate 22.

Next, the operation of this embodiment will be described.

In the buckle device 10 having the above configuration, the insertion portion 36B of the clip 36 is penetrated through the left wall of the boot 34 and the locking hole 30 of the anchor plate 22, and is between the base portion 36A of the clip 36 and the locking claw 36C. The boot 34 is attached to the anchor plate 22 by a clip 36 by sandwiching the left wall of the boot 34 and the anchor plate 22. Therefore, the tilting of the boot 34 with respect to the anchor plate 22 in the left-right direction and the front-back direction is restricted, and the boot 34 makes the connecting webbing 32 and the buckle body 14 self-supporting.

Here, before the boot 34 is attached to the anchor plate 22, the separation plate 36D of the clip 36 is integrated with the left wall of the boot 34, and the separation plate 36D is broken from the left wall of the boot 34. , The boot 34 is attached to the anchor plate 22 by the clip 36. Therefore, unlike the case where the clip 36 is provided separately from the boot 34, the number of parts can be reduced and the man-hours for attaching the boot 34 to the anchor plate 22 can be reduced.

Further, the boot 34 (including the clip 36) is made of soft resin. Therefore, the separation plate 36D of the clip 36 can be broken from the left wall of the boot 34 with a low load, and the locking claw 36C of the clip 36 penetrates the left wall of the boot 34 and the locking hole 30 of the anchor plate 22 with a low load. Can be made to. Therefore, unlike the case where the clip 36 is made of a hard resin different from the boot 34, it is not necessary to pass the locking claw 36C of the clip 36 through the locking hole 30 of the anchor plate 22 by a jig. The work of attaching the boot 34 to the anchor plate 22 by the clip 36 can be simplified.

Moreover, a separation groove 36E is formed around the separation plate 36D of the clip 36, and the separation groove 36E assists the separation plate 36D from breaking from the left wall of the boot 34. Therefore, the clip 36 (separation plate 36D) can be easily broken from the left wall of the boot 34, and the boot 34 can be easily attached to the anchor plate 22 by the clip 36.

In the present embodiment, the separation plate 36D of the clip 36 integrated with the left wall of the boot 34 is separated from the left wall of the boot 34, and the insertion portion 36B of the clip 36 is engaged with the left wall of the boot 34 and the anchor plate 22. The boot 34 is attached to the anchor plate 22 by the clip 36 by being penetrated through the stop hole 30 and sandwiching the left wall of the boot 34 and the anchor plate 22 between the base 36A of the clip 36 and the locking claw 36C. .. However, as shown in FIG. 6A, the clip 36 may not be provided with the separation plate 36D and the base 36A, and the insertion portion 36B of the clip 36 may be integrated on the right side of the left wall of the boot 34. In this case, the insertion portion 36B is penetrated through the locking hole 30 of the anchor plate 22, and the anchor plate 22 is sandwiched between the left wall of the boot 34 and the locking claw 36C of the clip 36, so that the clip 36 causes the insertion portion 36B to penetrate the locking hole 30. The boots 34 are attached to the anchor plate 22. Thereby, the same actions and effects as those of the above embodiment can be obtained except for the actions and effects of the separation plate 36D (including the separation groove 36E).

[Second Embodiment]
FIG. 5A shows a perspective view of the main part of the buckle device 50 according to the second embodiment of the present invention as viewed from the front side.

The buckle device 50 according to the present embodiment has substantially the same configuration as the first embodiment, but differs in the following points.

As shown in FIG. 5A, in the buckle device 50 according to the present embodiment, a substantially long rectangular slit 52 as an opening portion is formed through the lower portion of the front wall of the boot 34, and the slit 52 is formed through the slit 52. , Stretched in the vertical direction and opened to the lower side. Further, a rectangular insertion hole 54 (see FIG. 5B) is formed through the lower portion of the left wall of the boot 34.

On the right side of the slit 52, a band 56 having a substantially long rectangular plate shape as a connecting portion is integrally formed on the front wall of the boot 34, and the wall thickness of the band 56 is compared with the wall thickness of the boot 34. It has been made smaller. The band 56 extends to the front side, the outer surface of the band 56 is integrated with the front surface (outer peripheral surface) of the boot 34, and the inner surface of the band 56 is integrated with the right surface (peripheral surface) of the slit 52. It is integrated.

A clip 36 is integrally formed on the inner surface of the tip of the band 56. The clip 36 is not provided with the separation plate 36D and the base 36A, and the insertion portion 36B of the clip 36 is integrated with the inner surface of the band 56.

As shown in FIG. 5B, the base end of the band 56 is bent to the left side, and the vicinity of the base end of the band 56 is bent to the rear side, and the band 56 is bent to the front side of the slit 52 and the boot 34. It covers the left side from the front. Further, when the clip 36 is pressed to the right side, the locking claw 36C of the clip 36 is elastically contracted in the vertical direction and passes through the insertion hole 54 on the left wall of the boot 34 and the locking hole 30 of the anchor plate 22. ing. Therefore, the insertion portion 36B of the clip 36 is penetrated through the insertion hole 54 and the locking hole 30, and the locking claw 36C is elastically restored in the vertical direction between the band 56 and the locking claw 36C. The left wall of the boot 34 and the anchor plate 22 are sandwiched, and the boot 34 is attached to the anchor plate 22.

Here, also in this embodiment, the same actions and effects as those in the first embodiment can be obtained except for the actions and effects of the separation plate 36D (including the separation groove 36E).

Further, a slit 52 is formed through the lower portion of the boot 34. Therefore, even if the left-right dimension of the lower portion of the boot 34 is reduced due to the installation conditions of the buckle device 50 on the vehicle, the buckle body 14, the connecting webbing 32, the wire harness 20, and the anchor plate 22 are contained in the boot 34. When inserted, the lower portion of the boot 34 can be easily expanded in the left-right direction by the slit 52. Therefore, the anchor plate 22, the wire harness 20 and the connecting webbing 32 can be easily inserted into the lower part of the boot 34 from the upper side, and the anchor plate 22 and the wire harness 20 can be easily discharged to the lower side of the boot 34.

Also, the band 56 connects the clip 36 to the boots 34. Therefore, the degree of freedom in the position of the clip 36 with respect to the boot 34 can be increased.

Further, by attaching the boot 34 to the anchor plate 22 by the clip 36, the band 56 covers the front side of the slit 52 and limits the expansion of the lower portion (slit 52) of the boot 34 in the left-right direction. Therefore, it is possible to suppress the tilting of the boot 34 by the slit 52, and it is possible to suppress the deterioration of the self-supporting performance of the connecting webbing 32 and the buckle body 14 by the boot 34.

In the present embodiment, as shown in FIG. 6B, a substantially long rectangular insertion groove 58 is formed on the outer peripheral surface (front surface to the left surface) of the lower portion of the boot 34, and the insertion groove 58 is the boot 34. The insertion hole 54 of the boot 34 may be opened to the left side while being communicated with the slit 52 of the boot 34. In this case, the outer periphery of the band 56 is fitted to the outer periphery of the insertion groove 58, and the outer surface of the band 56 is flush with the outer peripheral surface of the boot 34. As a result, it is possible to prevent the formation of a step between the band 56 and the outer peripheral surface of the boot 34.

Further, in the present embodiment, the boot 34 is provided with a slit 52. However, the boot 34 may not be provided with the slit 52.

Further, in the present embodiment, the band 56 is provided on the front wall of the boot 34, and the band 56 extends to the front side. However, the band 56 may be provided in addition to the front wall of the boot 34, and the band 56 may extend to other than the front side.

10 ... buckle device, 14 ... buckle body, 16 ... tongue, 18 ... webbing, 22 ... anchor plate (fixing member), 26 ... seat cushion frame (body side), 34 ... Boot (covering member), 36 ... Clip (locking part), 36E ... Separation groove (auxiliary part), 50 ... Buckle device, 56 ... Band (communication part), 58.・ ・ Insert groove

Claims (5)

The buckle body to which the tongue provided on the webbing attached to the occupant is engaged,
The fixing member fixed to the vehicle body side and
The covering member that covers the buckle body and
A locking portion that is separated from the covering member from a state of being integrally provided on the covering member, is locked to the fixing member, and the covering member is attached to the fixing member.
A buckle device equipped with. The buckle device according to claim 1, further comprising an auxiliary portion provided at a boundary portion of the locking portion with the covering member and assisting the separation of the locking portion from the covering member. The buckle body to which the tongue provided on the webbing attached to the occupant is engaged,
The fixing member fixed to the vehicle body side and
The covering member that covers the buckle body and
A locking portion that is integrally provided on the covering member, is locked to the fixing member, and the covering member is attached to the fixing member.
A buckle device equipped with. The buckle device according to claim 3, wherein the buckle device is provided integrally with the covering member, and the locking portion is integrally provided, and includes a connecting portion for connecting the locking portion to the covering member. The buckle device according to claim 4, further comprising an insertion groove provided in the covering member, into which the connecting portion is inserted and the protrusion of the connecting portion from the covering member is suppressed.

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