JP2021156383A - Anchor part and clamp - Google Patents

Abstract

To provide an anchor part which can be easily inserted even when a direction of an elliptical anchor hole and a direction of the anchor part differ and improves insertion operability, and a clamp.SOLUTION: An anchor part includes an insertion shaft part 26 which is stood in a pedestal part 25 and is inserted into an anchor hole 11 and a pair of engaging arm parts 27 having elasticity. A base part virtual shape α composed of the engaging arm part 27 and the insertion shaft part 26 on a base part side engaging the anchor hole 11 in a fitting state corresponds to the elliptical shape of the anchor hole 11. An end part virtual shape β composed of the engaging arm part 27 and the insertion shaft part 26 at an end part inserted into the anchor hole 11 is shorter than a length L1 in a short axial direction X of the elliptical anchor hole 11. A virtual shape composed of the engaging arm part 27 and the insertion shaft part 26 between the end part and the base end part is a virtual tapered shape γ which gradually changes from the end part virtual shape β to the base part virtual shape α.SELECTED DRAWING: Figure 1

Description

The present invention relates to an anchor portion and a clamp inserted into an oval anchor hole provided at a mounting location and provided in a mounting member for mounting a mounted member such as a wire harness, for example.

Generally, there is known an anchor portion of a clamp that is inserted into an anchor hole provided at a mounting location such as a body panel of a vehicle to mount a mounted member such as a wire harness.
The above-mentioned anchor portion is inserted from the pedestal portion that abuts on one side surface of the body panel as a mounting location, the insertion shaft portion that is erected on the pedestal portion and inserted into the anchor hole, and the tip end side of the insertion shaft portion. A pair of locking arm portions gradually separated from the insertion shaft portion toward the base end side of the shaft portion are provided.

The pair of locking arm portions have elasticity, and when the insertion shaft portion and the locking arm portion are inserted into the anchor hole, the pedestal portion abuts on one side surface of a mounting portion such as a body panel. In addition, a pair of locking arm portions are pressed against the other side surface by elastic force, so that the hole edge of the anchor hole is sandwiched from both sides of one side surface and the other side surface, and the anchor portion is securely held by the hole edge of the anchor hole. It is fixedly supported by.

For example, Patent Document 1 discloses a clamp having an anchor portion having the following structure.
That is, the anchor portion disclosed in Patent Document 1 is outside the oval and cylindrical insertion shaft portion corresponding to the shape of the oval anchor hole and the side surface portion of the insertion shaft portion in the long axis direction. It is made by integrally forming a locking piece formed so as to protrude toward the direction with a synthetic resin, and it is said that it can be stably attached to the anchor hole.

However, since the shape of the anchor hole is oval and the anchor portion is also formed in an oval shape corresponding to this, the shape of the anchor portion is oval with respect to the oval direction of the anchor hole. Unless the orientations are aligned, the anchor portion cannot be inserted into the anchor hole, and when inserting the anchor portion, it is necessary to match the orientation of the anchor portion with the orientation of the anchor hole.

Japanese Unexamined Patent Publication No. 2006-153049

Therefore, the present invention provides an anchor portion and a clamp that can easily insert the anchor portion even if the orientation of the oval anchor hole and the orientation of the anchor portion are different, and can improve the insertion operability. The purpose is to provide.

The present invention is an anchor portion provided in a mounting member that is inserted into an oval anchor hole provided at a mounting location and mounts the mounted member, and is erected on a pedestal portion and the pedestal portion and has the anchor hole. It is composed of a pair of locking arm portions that are gradually separated from the insertion shaft portion and have elasticity from the tip end side to the proximal end side of the insertion shaft portion to be inserted into the insertion shaft portion. The virtual shape of the base portion formed by the locking arm portion and the insertion shaft portion on the base portion side for locking to the anchor hole is a shape corresponding to the oval shape of the anchor hole, and is inserted into the anchor hole. The virtual shape of the tip portion formed by the locking arm portion and the insertion shaft portion at the tip portion is a substantially circular shape having a diameter shorter than the length of the anchor hole in the minor axis direction, and is from the tip portion. The virtual shape formed by the locking arm portion and the insertion shaft portion between the base end portions is a virtual taper shape that gradually changes from the tip portion virtual shape to the base portion virtual shape.
The above-mentioned mounting location may be set on the body panel of the vehicle, and the above-mentioned mounting member may be set on the wire harness.

According to the present invention, the virtual shape of the tip of the anchor is a substantially circular shape having an outer diameter shorter than the length of the anchor hole in the minor axis direction, and the virtual shape of the tip gradually changes from the virtual shape of the tip to the virtual shape of the base. It has a virtual taper shape. Therefore, even if the direction of the oval anchor hole and the direction of the anchor part are different, by pushing the anchor part, the anchor part is displaced so as to gradually align the directions along the virtual taper shape. Anchors can be inserted into the anchor holes so that they are oriented in the same direction.
Therefore, it is possible to improve the insertion operability of the anchor portion.

As an aspect of the present invention, the pair of locking arm portions may be arranged in the insertion shaft portion in the longitudinal direction of the elliptical anchor hole.
According to the present invention, the hole edge of the anchor hole is elastically sandwiched between the pedestal portion and the locking arm portion by the elastic force of the locking arm portion with respect to a long span in the long axis direction of the anchor hole. It is possible to improve the support stability of the.

As an aspect of the present invention, the virtual shape of the base portion and the virtual shape of the tip portion are upper surfaces and lower surfaces, and a virtual shape composed of the locking arm portion and the insertion shaft portion between the tip portion and the base end portion. A spiral rib may be formed along the outer peripheral surface of the frustum-shaped virtual three-dimensional shape formed by the above.
According to the present invention, the spiral rib guides the locking arm portion and the insertion shaft portion to the oval anchor hole, whereby both of them (that is, the insertion shaft portion and the locking arm portion) are guided. ), But it becomes easier to insert.

As an aspect of the present invention, the mounting member may be a clamp composed of a mounting portion for mounting the mounted member and the anchor portion.
The above-mentioned mounting portion may be composed of a band for mounting the wire harness and a buckle for fixing the band.
INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a clamp that exerts the effect of the above invention.

According to the present invention, even if the orientation of the oval anchor hole and the orientation of the anchor portion are different, the anchor portion can be easily inserted, and the insertion operability of the anchor portion can be improved. be.

The external perspective view of the band clamp provided with the anchor part of this invention. An enlarged perspective view of a main part of FIG. Front view of a band clamp with an anchor. Right side view of a band clamp with an anchor. FIG. 5 is a cross-sectional view showing a state in which the anchor portion is attached to the anchor hole along the line AA of FIG. Bottom view of a band clamp with an anchor. Front view of a clamp with an anchor.

An embodiment of the present invention will be described in detail below with reference to the drawings.
The drawing shows an anchor portion 30 and a band clamp 20 as an example of a clamp provided with the anchor portion 30. Specifically, FIG. 1 is an external perspective view of the band clamp 20 provided with the anchor portion 30 of the present invention, FIG. 2 is an enlarged perspective view of a main part of FIG. 1, and FIG. 3 is a front view of the band clamp 20 provided with the anchor portion 30. FIG. 4 is a right side view of the band clamp 20 provided with the anchor portion 30. Further, FIG. 5 is a cross-sectional view showing a state in which the anchor portion 30 is attached to the anchor hole 11 along the line AA of FIG. 4, and FIG. 6 is a bottom view of the band clamp 20 provided with the anchor portion 30. In the figure, the arrow X indicates the minor axis direction of the anchor hole 11, and the arrow Y indicates the major axis direction of the anchor hole 11.

As shown in FIG. 1, the band clamp 20 of this embodiment attaches the wire harness 12, which is a member to be attached, to the oval anchor hole 11 provided in the body panel 10 of the vehicle as the attachment location. It is a thing.
The end of the wire harness 12 is connected to a battery or in-vehicle electronic devices.

As shown in FIGS. 1, 3, 4, and 5, the band clamp 20 includes a mounting portion 23 having a band-shaped band 21 wound around the outer circumference of the wire harness 12 and a buckle 22 for fixing the band 21. ing.
As shown in the figure, the buckle 22 has an upper wall 22a, a lower wall 22b, and a pair of left and right side walls 22c and 22d, and a band insertion surrounded by the respective walls 22a, 22b, 22c and 22d. The holes 22e (see FIGS. 3 and 5) are formed through the buckle 22 from the front side to the back side.

On the other hand, as shown in FIG. 4, the base end portion 21a of the band 21 is fixed to the upper surface portion of the inner wall of the band insertion hole 22e. The band 21 leads the free end side from the base end portion 21a to the back side of the band insertion hole 22e, winds the band 21 around the outer circumference of the wire harness 12, and then wraps the band 21 from the front side of the band insertion hole 22e to the base end. It is introduced to the lower side of the portion 21a, and the tip portion 21b of the band 21 is led out again to the back side of the band insertion hole 22e.

A serrated and plurality of engaging portions (not shown) are continuously formed in the longitudinal direction of the band 21 on the side of the band 21 that becomes the outer circumference when the end of the wire harness 12 is wound. Further, a band locking portion (not shown) that engages with the engaging portion is formed on the lower wall 22b of the buckle 22 so as to face the band insertion hole 22e.

Then, when the tip portion 21b of the band 21 is pulled in the direction of the arrow a in FIG. 4 and the wire harness 12 is tightened and fixed by the band 21, the band is locked on the buckle 22 side with respect to the serrated engaging portion on the band 21 side. The portions are engaged to hold the tightened state of the wire harness 12.

As shown in FIGS. 3 and 4, the band 21 is located on one side (upper side of FIGS. 3 and 4) of the lower wall 22b of the buckle 22.
As shown in FIGS. 3 and 4, on the other side (lower side of FIGS. 3 and 4) of the lower wall 22b of the buckle 22, a pair of left and right pedestals 25 are provided via a distance piece portion 24 (so-called spacer). It is provided. The pedestal portion 25 constitutes a part of the anchor portion 30.

The anchor portion 30 is inserted into the oval anchor hole 11 provided in the body panel 10 shown in FIG. 1 to fix the attachment portion 23 to which the wire harness 12 is attached to the body panel 10.
As shown in FIG. 3, the anchor portion 30 includes a pedestal portion 25, an insertion shaft portion 26 that is erected toward the other end side of the pedestal portion 25 and inserted into the anchor hole 11, and the insertion shaft portion. It is composed of a pair of locking arm portions 27, 27 gradually separated from the insertion shaft portion 26 from the tip 26a side (lower end side in FIG. 3) to the base end 26b side (upper end side in FIG. 3) of 26. ing.

As shown in FIGS. 3 and 5, the pair of left and right pedestal portions 25 extend from the central portion of the distance piece portion 24 to the other side and outward in the inclined direction, and the other side surface of each pair of left and right pedestal portions 25. The opening angle of is set to 145 degrees, and the opening angle of one surface of each pair of left and right pedestal portions 25 is set to 113 degrees.
That is, the pair of left and right pedestal portions 25 are set to have a larger wall thickness on the root side than the wall thickness on the tip 25a side, thereby ensuring the rigidity of the pedestal portion 25. The opening angle is not limited to the above numerical value.

When the length of the anchor hole 11 shown in FIG. 1 in the minor axis direction X is L1 and the length in the major axis direction Y is L2, the separation distance between the tips 25a and 25a of the pair of left and right pedestals 25 is determined. The anchor hole 11 is formed so as to be sufficiently longer than the length L2 in the major axis direction Y.

Further, the width W of the pair of left and right pedestals 25 (width W in the direction corresponding to the minor axis direction X of the anchor hole 11, see FIG. 6) is equal to or anchored to the length L1 of the minor axis direction X of the anchor hole 11. The hole 11 is formed to be larger than the length L1 in the minor axis direction X.

As a result, in the state where the anchor portion 30 is attached to the anchor hole 11, as shown in FIG. 5, the tip 25a of the pedestal portion 25 is one side of the peripheral portion of the hole edge in the major axis direction Y in the elliptical anchor hole 11. It is configured to come into contact with the surface.

As shown in FIG. 5, the insertion shaft portion 26 is erected on the pedestal portion 25, and the insertion shaft portion 26 extends from the central portion of the pedestal portion 25 toward the other side. Further, as shown in FIG. 4, the insertion shaft portion 26 has a dimension on the base end 26b side that is larger than a dimension on the tip end 26a side at least in a direction corresponding to the minor axis direction X of the anchor hole 11. Is formed in.

The pair of locking arm portions 27, 27 have an elastic force peculiar to the resin forming the anchor portion 30. Further, in this embodiment, the respective locking arm portions 27, 27 are arranged in the insertion shaft portion 26 in the major axis direction Y of the elliptical anchor hole 11.

As shown in FIGS. 3 and 5, the tip 27a of the locking arm portion 27 is integrated with the tip 26a side of the insertion shaft portion 26, and the locking arm portion 27 extends from the tip 27a to the free end 27b. , It is configured to gradually separate from the insertion shaft portion 26.

As a result, in the state where the anchor portion 30 is attached to the anchor hole 11, as shown in FIG. 5, the free ends 27b of the pair of left and right locking arm portions 27 are the hole edges in the major axis direction Y in the elliptical anchor hole 11. It is configured to be in pressure contact with the other surface of the.
Further, the hole edge of the anchor hole 11 is elastically sandwiched between the pedestal portion 25 and the locking arm portion 27 by the elastic force of the locking arm portion 27 with respect to the long span of the anchor hole 11 in the long axis direction Y. , It is configured to ensure the support stability of the anchor portion 30. Further, the left and right locking arm portions 27 are formed in an arc shape that bulges outward as shown in FIGS. 1 and 6.

FIG. 2 is an enlarged perspective view of a main part of FIG. 1, and as shown in FIG. 2, in a mounted state of the anchor portion 30, on the base side (upper side of FIG. 2) that engages with the anchor hole 11 of FIG. The base virtual shape α composed of the free ends 27b of the pair of left and right locking arm portions 27 and the base end 26b side of the insertion shaft portion 26 is formed in an oval shape corresponding to the oval shape of the anchor hole 11. ..

As shown in FIG. 2, in the tip portion (lower part of FIG. 2) to be inserted into the anchor hole 11, the tip portion virtual composed of the tip 27a of the pair of left and right locking arm portions 27 and the tip 26a side of the insertion shaft portion 26. The shape β is formed in a substantially circular shape having an outer diameter shorter than the length L1 of the elliptical anchor hole 11 shown in FIG. 1 in the minor axis direction X.

As shown in FIG. 2, between the tip end portion and the base end portion of the anchor portion 30, the virtual shape composed of the locking arm portion 27 and the insertion shaft portion 26 is from the tip portion virtual shape β to the base portion virtual shape α. It is formed in a virtual taper shape γ that gradually changes.
That is, the virtual taper shape γ is formed so as to gradually change from a substantially circular shape on the other side (tip side) to an oval shape on one side (base end side).

Here, the outer surface shapes of the front surface and the back surface of the insertion shaft portion 26 corresponding to the minor axis direction X of the anchor hole 11 gradually change from an arc shape to a planar shape from the tip end 26a to the base end 26b.
Similarly, the outer surface shapes of the left side surface and the right side surface of the insertion shaft portion 26 corresponding to the long axis direction Y of the anchor hole 11 gradually change from an arc shape to a planar shape from the tip end 26a to the base end 26b. ..

As described above, it has a virtual tapered shape γ that gradually changes from a substantially circular tip virtual shape β to an oval base virtual shape α. As a result, even if the orientation of the oval anchor hole 11 and the orientation of the anchor portion 30 are different, by pushing the anchor portion 30, the anchor portion 30 follows the virtual taper shape γ. The anchor portion 30 is configured to be inserted into the anchor hole 11 so that the orientations are gradually aligned with each other and the orientations match each other.

When the attachment of the anchor portion 30 to the anchor hole 11 is completed, both sides of the body panel 10 on the periphery of the anchor hole 11 are a pair of left and right pedestals 25 and a pair of left and right locking arm portions 27 on both sides. The wire harness 12 which is sandwiched and fixed from the anchor and held by the attachment portion 23 can be routed and supported at a predetermined position.

As shown in FIGS. 1 to 6, in particular, FIG. 2, the base virtual shape α is used as the upper surface and the tip virtual shape β is used as the lower surface, and the anchor portion 30 is locked between the tip portion and the base end portion. A frustum-shaped virtual three-dimensional shape Z formed by a virtual shape composed of an arm portion 27 and an insertion shaft portion 26 is formed.

Then, as shown in FIG. 2, spiral ribs 31 and 32 are formed along the outer peripheral surface of the frustum-shaped virtual three-dimensional shape Z.
Specifically, ribs 31 are formed on the outer peripheral surface on the front side and the outer peripheral surface on the back side of the insertion shaft portion 26 that forms a part of the virtual three-dimensional shape Z, and a pair of left and right engagements that form the other part of the virtual three-dimensional shape Z. Ribs 32 are formed on the outer peripheral surfaces of the stop arm portions 27.

The ribs 31 and 32 are formed continuously in a spiral shape from the tip end portion to the base end portion of the virtual three-dimensional shape Z, although the locking arm portion 27 is interrupted at a portion separated from the insertion shaft portion 26. That is, the spiral formed by the ribs 31 and 32 is formed in an intermittently continuous spiral shape.
Further, as shown in FIG. 5, the cross-sectional shape of each of the ribs 31 and 32 orthogonal to the spiral direction is formed in a semicircular shape.

In this way, by providing the spiral ribs 31 and 32 along the outer peripheral surface of the virtual three-dimensional shape Z, the locking arm portion 27 and the insertion shaft portion 26 are provided with respect to the oval anchor hole 11. Guided by the ribs 31 and 32, both of them (that is, the insertion shaft portion 26 and the locking arm portion 27) are configured to be more easily inserted into the anchor hole 11.

Specifically, when the anchor portion 30 is attached to the anchor hole 11, when the tip portion of the anchor portion 30 is inserted into the anchor hole 11, the position between the upper and lower ribs 31 and 31 or the upper and lower positions between the upper and lower ribs 32 and 32. Even if the inner end portion of the anchor hole 11 is located in the anchor hole 11, by pushing the anchor portion 30, the anchor portion 30 is displaced so as to be aligned along the ribs 31 and 32.

As described above, the anchor portion 30 of the embodiment is inserted into the oval anchor hole 11 provided at the mounting portion (see the body panel 10), and the mounting member (see the wire harness 12) is mounted by the mounting member (band clamp). 20), the pedestal portion 25, the insertion shaft portion 26 erected on the pedestal portion 25 and inserted into the anchor hole 11, and the insertion shaft portion 26 inserted from the tip end side toward the base end side. It is composed of a pair of locking arm portions 27 that are gradually separated from the shaft portion 26 and have elasticity, and the locking arm portion 27 and the insertion shaft portion 26 are formed on the base side that locks to the anchor hole 11 in the mounted state. The constituent base virtual shape α has a shape corresponding to the oval shape of the anchor hole 11, and the tip virtual shape β composed of the locking arm portion 27 and the insertion shaft portion 26 at the tip portion to be inserted into the anchor hole 11. Is a substantially circular shape having a diameter shorter than the length L1 of the oval anchor hole 11 in the minor axis direction X, and is composed of a locking arm portion 27 and an insertion shaft portion 26 between the tip end portion and the base end portion. The virtual shape to be formed is a virtual tapered shape γ that gradually changes from the virtual shape β at the tip to the virtual shape α at the base (see FIGS. 1 to 3).

According to this configuration, the tip virtual shape β of the anchor portion 30 has a substantially circular shape with an outer diameter shorter than the length L1 of the minor axis direction X of the anchor hole 11, and the tip virtual shape β is used as the base virtual shape. It is a virtual tapered shape γ that gradually changes to the shape α. Therefore, even if the orientation of the oval anchor hole 11 and the orientation of the anchor portion 30 are different, by pushing the anchor portion 30, the anchor portion 30 is gradually aligned along the virtual taper shape γ. The anchor portion 30 can be inserted into the anchor hole 11 so that the orientations of the anchor portions 30 are aligned with each other.
Therefore, the insertion operability of the anchor portion 30 can be improved.

Further, in the embodiment, the pair of locking arm portions 27 are arranged in the insertion shaft portion 26 in the major axis direction Y of the elliptical anchor hole 11 (see FIG. 3).
According to this configuration, the elastic force of the locking arm portion 27 causes a hole edge of the anchor hole 11 between the pedestal portion 25 and the locking arm portion 27 with respect to a long span of the anchor hole 11 in the long axis direction Y. Since it is elastically sandwiched, the support stability of the anchor portion 30 can be improved.

Further, in the embodiment, the base virtual shape α and the tip virtual shape β are formed as upper and lower surfaces, and are formed by a virtual shape composed of a locking arm portion 27 and an insertion shaft portion 26 between the tip portion and the base end portion. Spiral ribs 31 and 32 are formed along the outer peripheral surface of the frustum-shaped virtual three-dimensional shape Z (see FIGS. 2 and 3).

According to this configuration, the spiral ribs 31 and 32 guide the locking arm portion 27 and the insertion shaft portion 26 to the oval anchor hole 11, so that both of them (that is, the insertion) are inserted. The shaft portion 26 and the locking arm portion 27) are more easily inserted.

Further, in the embodiment, the mounting member (see band clamp 20) is composed of a mounting portion 23 for mounting the mounted member (see wire harness 12) and an anchor portion 30 (see FIG. 4).
In this embodiment, the attachment portion 23 is composed of a band 21 for attaching the wire harness 12 and a buckle 22 for fixing the band 21.
Thereby, it is possible to provide a clamp (band clamp 20) that exerts the effect of each claim.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The mounting location of the present invention corresponds to the body panel 10 of the embodiment.
Similarly below
The anchor hole corresponds to the anchor hole 11 and
The mounted member corresponds to the wire harness 12 and
The mounting member and clamp correspond to the band clamp 20 and
The pedestal part corresponds to the pedestal part 25,
The insertion shaft portion corresponds to the insertion shaft portion 26, and
The locking arm portion corresponds to the locking arm portion 27.
The anchor portion corresponds to the anchor portion 30 and
The spiral ribs correspond to the ribs 31 and 32,
The base virtual shape corresponds to the base virtual shape α,
The tip virtual shape corresponds to the tip virtual shape β,
The virtual taper shape corresponds to the virtual taper shape γ,
The virtual three-dimensional shape corresponds to the virtual three-dimensional shape Z,
The present invention is not limited to the configuration of the above-described embodiment, and many embodiments can be obtained.

For example, a mounting member having a structure in which a corrugate is interposed between the wire harness 12 and the band 21 may be adopted. Here, the corrugate is made of a flexible material such as a synthetic resin that can be bent and expanded and contracted, and has a tubular shape in which an annular uneven portion is continuous in the axial direction thereof.

Further, as shown in FIG. 7, the clamp 20a may be a clamp 20a in which the mounting portion 23 is composed of a flat plate-shaped mounting plate 23a. As shown in FIG. 7, the mounting plate 23a is configured to be fixed along the wire harness 12 with an adhesive tape (not shown). In the above-mentioned band clamp 20, the anchor portion 30 is provided with ribs 31 and 32. However, as shown in the clamp 20a shown in FIG. 7, the anchor portion 30a is mounted on the pedestal portion 25, the insertion shaft portion 26, and the locking arm portion. It is composed of 27 and does not have to be provided with ribs 31 and 32.
In FIG. 7, the same reference numerals are given to the same configurations as those in the band clamp 20 described above.

The band clamp 20 inserted into the anchor hole 11 when the anchor portion 30a without the ribs 31 and 32 is not oriented with respect to the anchor hole 11 as compared with the anchor portion 30 having the ribs 31 and 32. Although the degree of alignment of the two is low, even the anchor portion 30a can achieve the same effect as the band clamp 20 described above.

Further, the mounting portion 23 may be changed to a protector. This protector is a protective member having a protector main body having a groove-shaped portion for accommodating a wire harness and a lid portion for closing an opening of the protector main body.

10 ... Body panel 11 ... Anchor hole 12 ... Wire harness 20 ... Band clamp 23 ... Mounting part 25 ... Pedestal part 26 ... Insertion shaft part 27 ... Locking arm part 30 ... Anchor part 31, 32 ... Rib α ... Base virtual shape β … Tip virtual shape γ… Virtual taper shape Z… Virtual three-dimensional shape

Claims (4)

An anchor portion provided in a mounting member that is inserted into an oval anchor hole provided at a mounting location and mounts the mounted member.
With the pedestal
An insertion shaft portion that is erected on the pedestal portion and inserted into the anchor hole,
It is composed of a pair of locking arm portions that are gradually separated from the insertion shaft portion and have elasticity from the tip end side to the base end side of the insertion shaft portion.
The virtual shape of the base portion composed of the locking arm portion and the insertion shaft portion on the base portion side that locks to the anchor hole in the mounted state is a shape corresponding to the oval shape of the anchor hole.
At the tip portion to be inserted into the anchor hole, the virtual shape of the tip portion composed of the locking arm portion and the insertion shaft portion is a substantially circular shape having a diameter shorter than the length of the anchor hole in the minor axis direction. can be,
Anchor portion that is a virtual taper shape in which the virtual shape formed by the locking arm portion and the insertion shaft portion between the tip end portion and the base end portion gradually changes from the tip portion virtual shape to the base portion virtual shape. .. The anchor portion according to claim 1, wherein the pair of the locking arm portions are arranged in the insertion shaft portion in the direction of the major axis of the elliptical anchor hole. The base virtual shape and the tip virtual shape are defined as upper and lower surfaces.
A spiral rib is formed between the tip end portion and the base end portion along the outer peripheral surface of the frustum-shaped virtual three-dimensional shape formed by the virtual shape formed by the locking arm portion and the insertion shaft portion. The anchor portion according to claim 2, which is formed. The mounting member includes a mounting portion for mounting the mounted member and a mounting portion.
A clamp composed of the anchor portion according to any one of claims 1 to 3.

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