JP3002293U - Belt mounting bracket for seat belt device - Google Patents

Abstract

(57) [Summary] [Structure] A bolt hole and a belt winding long hole are formed in a substrate, and a fixing bolt is inserted into the bolt hole to fix the vehicle to the vehicle and a belt is wound around the belt winding long hole. In the belt mounting bracket for a seat belt device fixed in a hung state, the belt mounting bracket for a seat belt device is formed such that the long belt-winding hole is formed in a curved shape protruding in the bolt hole direction. [Effect] Since the long diameter part for belt winding is formed in a curved shape protruding in the bolt hole direction, the tensile strength of this long diameter part for belt winding is improved. As a result, tension is applied to the belt in the strength measurement test. However, since the belt winding long-diameter portion does not curve inward in the middle and therefore the belt does not deviate, normal measurement can be easily performed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a belt mounting bracket for a vehicle seat belt device, and is used, for example, when mounting a shoulder belt end of a vehicle seat belt on a chassis and when fixing a buckle bracket to a chassis via a belt. It is something.

[0002]

[Prior art]

 As shown in FIG. 6, in a conventional belt mounting member of this type, a bolt hole 3 and a belt winding long hole 69 are formed in a base plate 2, and a fixing bolt is fixed in the bolt hole 3. The belt 12 is fixed by being inserted into and fixed to the vehicle, and the belt 12 is wound around the long hole 69 for belt winding.

[0003]

[Problems to be solved by the device]

 However, in such a conventional belt mounting bracket, since the belt winding long hole 69 is simply a long hole, when tension is applied to the belt 12 in the strength measurement test, the belt winding long diameter portion 691 is The belt 12 was curved inward in the middle, and the belt 12 was unevenly distributed in this curved portion, and as a result, there was a disadvantage that normal measurement was difficult.

Further, since the belt-winding long hole 69 is merely a long hole, when the belt 12 is fitted into the long hole 69 with both end edges bent inward, the belt 12 is elastically deformed. As a result of trying to return to the original state, there was a disadvantage that it was difficult to insert.

Further, since the belt winding long hole 69 is merely a long hole, when the belt winding long hole 69 is wound around the belt winding long hole 69 with both end edges bent inward, both ends of the belt 12 are As a result, the thickness becomes thicker, and as a result, there is a disadvantage that the sewing work for fixing the belt 12 to the fitting is troublesome.

Further, in the conventional belt mounting metal fitting of this type, in order to prevent the wound belt 12 from being damaged, at least the belt winding long hole 69 at least in the belt winding long hole 69 is made of vinyl chloride or vinyl chloride. Since it was coated with polyethylene, there were inconveniences that it took time to manufacture the mounting bracket and the manufacturing cost had to be high.

An object of this invention is to eliminate these disadvantages.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, in a belt mounting metal fitting for a seat belt device according to the present invention, a bolt hole and a belt winding long hole are formed in a substrate, and a fixing bolt is fitted into the bolt hole to insert into a vehicle. A belt mounting bracket for a seat belt device, which is fixed in a state where a belt is wound around the belt winding long hole, in which the belt winding long hole is formed in a curved shape protruding in the bolt hole direction. Is.

[0009] Incidentally, a convex strip having an arc-shaped cross section may be provided at an edge corner portion of the substrate of the belt winding long diameter portion in the belt winding long hole.

Further, the convex strip having an arcuate cross section may be provided by beveling.

[0011]

[Action]

 Since the belt mounting bracket for the seat belt device according to the present invention is configured as described above, that is, the belt winding long hole is formed in a curved shape protruding in the bolt hole direction, the belt winding long diameter is formed. As a result of the portion being formed in a curved shape protruding in the bolt hole direction, the tensile strength of the belt winding long diameter portion is improved.

Further, the belt mounting bracket for a seat belt device according to the present invention is configured as described above, that is, the belt winding elongated hole is formed in a curved shape protruding in the bolt hole direction. It is possible to secure a space having a substantially V-shaped cross section in the belt winding long hole (see FIG. 2).

Further, the belt mounting bracket for the seat belt device according to the present invention is configured as described above, that is, the belt winding elongated hole is formed in a bent shape protruding in the bolt hole direction. It is possible to secure arcuate recesses at both ends of the belt winding elongated hole.

Further, in the belt mounting metal fitting for a seat belt device according to the present invention, a convex strip having a circular arc shape in cross section is provided at an edge corner portion of the base plate of the belt winding long diameter portion in the belt winding long hole. For example, the wound belt can smoothly contact the long diameter portion for winding the belt.

If the convex strip having an arcuate cross section is provided by beveling, the convex strip can be easily provided.

[0016]

【Example】

 In FIG. 1, S is a vehicle body, D is a driver's seat, and 1 is a seat belt device. Reference numeral 11 is a shoulder belt reactor 11 fixed to the vehicle body S, and 12 is a shoulder belt connected to the reactor 11. Further, 13 is a waist belt fixed to the vehicle body S via a mounting bracket A. The waist belt 13 is integrally connected to the shoulder belt 12, and a tongue fitting 14 is installed on the way. On the other hand, 15 is a buckle, which is connected to a connecting belt 151 and fixed to the vehicle body 1 via a mounting bracket A. The means for fixing the mounting bracket A to the vehicle body S will be described later.

Next, the mounting bracket A will be described in detail with reference to FIGS.

In the figure, reference numeral 2 is a base plate of the mounting bracket A, which is bent and formed in a V-shaped cross section (see FIG. 3). The substrate 2 is divided into a fixed plate portion 21 and a wrapping plate portion 22 with a fold line portion (see FIG. 3) as a boundary. 3 is a bolt hole (see FIG. 3), which is formed in the fixing plate portion 21. A fixing bolt 5 is inserted into the bolt hole 3. The board 2 is fixed to the vehicle 1 by the fixing bolt 5 and the nut 51.

Next, 6 is a long hole for winding the belt, which is formed in the winding plate portion 22 of the substrate 2. The belt winding long hole 6 has a shape that is curved and projected in the direction of the bolt hole 3 (see FIG. 2). Reference numeral 61 denotes a belt winding long-diameter portion, which projects in a curved shape. The belts 13 and 151 have their ends sewn and fixed to the main body while being wound around the belt winding long diameter portion 61 (see FIG. 3).

Reference numerals 7 and 7 are circular arc portions, which are formed at both corners of the belt winding elongated hole 6. Therefore, it is possible to accommodate the bent portions of both end edges of the belts 13 and 151 wound around the end arc portions 7 and 7 (see the sectional view of the belt in FIG. 2).

Further, in FIG. 4, 611 and 611 are convex ridges having an arcuate cross section, which are formed by chamfering the front side edge corners of the belt winding long diameter portion 61 in the belt winding long hole 6. Has been done. Therefore, the belts 13 and 151 are less likely to be worn at the belt winding long-diameter portion 61 of the belt winding long hole 6.

Further, in FIG. 2, FIG. 3 and FIG. 5, reference numerals 31, 31, ... Are curved ridges and extend radially at the peripheral edge of the bolt hole 3. These curved ridges 31 can be formed by pressing the substrate 2. Therefore, the peripheral portion of the bolt hole 3 in the substrate 2 acts as a spring washer. The number of the curved ridges 31 is not limited, and the curved ridges 31 may be provided in a radial pattern like a chrysanthemum.

In this embodiment, the waist belt 12 and the buckle connecting belt 151 are given as examples of the belt, but the present invention is not limited to these, and all belts related to the seat belt device can be used. It includes.

[0024]

In order to achieve the above object, in the belt mounting metal fitting for a seat belt device according to the present invention, a bolt hole and a belt winding long hole are formed in a substrate, and a fixing bolt is provided in the bolt hole. In a belt mounting bracket for a seat belt device, which is fixed by inserting it into the vehicle and fixing the belt around the long hole for belt winding, the curved long hole for belt winding protruding in the bolt hole direction. Since the belt winding long hole is formed in a curved shape protruding in the bolt hole direction, the belt winding long diameter portion is formed in a curved shape protruding in the bolt hole direction. The tensile strength of the long diameter part for winding the belt is improved.

Therefore, when this belt mounting bracket is used, in the strength measurement test, even if tension is applied to the belt, the long diameter portion for belt winding does not curve inward in the middle, and therefore, the belt is unilaterally bent. Since it does not lean, it is easy to make normal measurements.

Further, since the belt mounting bracket for the seat belt device according to the present invention is configured as described above, that is, the belt winding elongated hole is formed in a curved shape protruding in the bolt hole direction. It is possible to secure a space with a substantially V-shaped cross section in the belt winding long hole.

Therefore, if this belt mounting bracket is used, when the belt is fitted into the long belt hole for belt winding with both end edges bent inward, the belt is returned to the source state by the elastic force. Even if the cross-sectional shape is V-shaped when trying to return, it can be easily inserted into the elongated hole.

Further, the belt mounting bracket for the seat belt device according to the present invention is configured as described above, that is, the belt winding elongated hole is formed in a curved shape protruding in the bolt hole direction. It is possible to secure arcuate recesses at both ends of the belt winding elongated hole.

Therefore, by using this belt mounting bracket, even when both ends of the belt become thick when the belt is wound around the long hole for belt wrapping with both end edges bent inward, As a result of this portion being accommodated in the arcuate portions on both sides, the sewing work for fixing the belt to the fitting can be easily performed.

Further, a convex strip having a curved cross section is provided at an edge corner portion of the base plate of a long diameter portion for belt winding in the long hole for belt winding in the belt mounting bracket for a seat belt device according to the present invention. Thus, the wound belt can smoothly contact the belt winding long diameter portion.

Therefore, by using this belt mounting bracket, it is possible to manufacture the mounting bracket that is less likely to damage the belt than the conventional one, at a lower cost and with improved work efficiency. In particular, if the ridges having an arcuate cross section are provided by beveling, the manufacturing cost and work efficiency will be further improved.

[Brief description of drawings]

FIG. 1 is a view showing a use state of a belt mounting bracket for a seat belt device according to the present invention.

FIG. 2 is an enlarged view of a II portion in FIG.

3 is a sectional view taken along line III-III in FIG.

FIG. 4 is an enlarged view of an IV portion in FIG.

5 is an enlarged sectional view taken along line VV in FIG.

FIG. 6 is a diagram of a conventional example corresponding to FIG.

[Explanation of symbols]

 A ... Belt mounting bracket 1 ... Seat belt device 12 ... Belt 151 ... Belt 2 ... Substrate 3 ... Bolt hole 5 ... Fixing bolt 6 ... Belt winding long hole 611 ... Convex strip

Claims (3)

[Scope of utility model registration request] 1. A bolt hole and a belt winding long hole are formed in a substrate, and a fixing bolt is inserted into the bolt hole to fix to a vehicle and a belt is wound around the belt winding long hole. A belt mounting bracket for a seat belt device, characterized in that, in the fixed belt mounting bracket for a seat belt device, the long belt-winding hole is formed in a curved shape protruding in the bolt hole direction. 2. The seat belt device according to claim 1, wherein a convex strip having an arc-shaped cross section is provided at an edge corner portion of the substrate of the belt winding long diameter portion of the belt winding long hole. Belt mounting bracket for. 3. The belt mounting bracket for a seat belt device according to claim 2, wherein the convex strip having an arcuate cross section is provided by beveling.