JP4971247B2 - Stud bolt fixing clip - Google Patents

Description

  The present invention relates to a stud bolt fixing clip that can be fixed to a stud bolt standing on a body panel or the like of an automobile.

Conventionally, various stud bolt fixing clips that can be fixed to stud bolts erected on a body panel or the like of an automobile have been proposed.
For example, the inner cylinder part in which a plurality of locking claws are formed inside the first clip is positioned so that it can be inserted into the attachment hole of the attachment member, and the outer cylinder part of the second clip is inserted into the attachment hole. Position to receive the inner cylinder. Then, the positioned inner cylinder part of the first clip is pushed in so as to be inserted into the mounting hole, and the second clip is pushed so that the outer cylinder part accommodates the inner cylinder part of the first clip. As a result, the second clip is attached to the locking shoulder of the neck portion of the inner tube portion of the first clip in a state where the attachment member is sandwiched between the first clip flange of the first clip and the first clip flange of the second clip. There is a fastener for a stud bolt in which the locking portion is locked (see, for example, Patent Document 1).

JP 2007-292146 A (paragraphs (0013) to (0023), FIGS. 1 to 11)

  In the fixing device described in Patent Document 1, when attaching to an attachment hole formed in a wide sheet-like attachment member such as an undercover attached to a vehicle body panel or the like, either the first clip or the second clip is used. Must be positioned with a jig or the like from the invisible side of the wide sheet-shaped mounting member, and the other side must be pushed through the mounting hole. There is a problem of becoming.

  Accordingly, the present invention has been made to solve the above-described problems, and provides a stud bolt fixing clip that can be easily assembled in a mounting hole formed in a wide sheet-shaped mounting member. For the purpose.

  In order to achieve the above object, the stud bolt fixing clip according to claim 1 has one end assembled in a mounting hole formed in the mounting member and a stud bolt fixed to the mounted member inserted in the other end. In the stud bolt fixing clip, comprising: a bolt insertion port; and a locking means provided on the inner side of the bolt insertion port and engaging with a screw portion of the stud bolt inserted into the bolt insertion port. A cylindrical portion that is formed on the side and is inserted into the mounting hole from the side facing the mounted member, and extends in the direction perpendicular to the axis from the outer peripheral surface of the cylindrical portion and assembled to the mounting hole. An extending portion facing one surface of the mounting member; a flange portion extending radially outward within a predetermined angular range around the axis from an outer peripheral surface spaced a predetermined distance axially outward from the extending portion; and the flange A distance from one end edge in the circumferential direction toward the outer side in the axial direction along the outer peripheral surface of the cylindrical portion, and the distance from the tip portion to the outer end surface in the axial direction of the flange portion. An entrance guide portion formed to be larger than the thickness, and the attachment member is notched radially outward from the outer peripheral portion of the attachment hole and can be inserted into the entry guide portion. The cylindrical portion is inserted into the mounting hole, the flange portion is brought into contact with one surface of the mounting member, and the entry guide portion is fitted into the notch groove portion, and then the entry guide portion is inserted. The flange portion sinks into the other surface side of the mounting member by rotating it around the axis in the direction toward the distal end of the mounting member, and the mounting member is sandwiched between the flange portion and the extending portion in the mounting hole. It is characterized by being assembled .

  The stud bolt fixing clip according to claim 2 is the stud bolt fixing clip according to claim 1, wherein the flange extends from the outer peripheral surface on the same circumference as the base end portion of the extension portion of the cylindrical portion. A thin plate-like shape extending obliquely in the part-side direction and an elastic pressing piece that is elastically deformable in the other-end side direction are provided.

A stud bolt fixing clip according to claim 3 is the stud bolt fixing clip according to claim 1 or 2, wherein the stud bolt fixing clip has a predetermined width from a base end portion of the extending portion to a radially outer edge portion. A cut-out notched portion and a thin plate-like elastic rib that extends from the back end surface of the notched portion so as to form the same plane as the upper end surface of the extended portion and is elastically deformable in the direction of the other end. A positioning protrusion protruding from the tip of the surface facing the flange portion of the elastic rib portion,
With
When assembled in the mounting hole, the positioning protrusion is located in the notch groove.

  Furthermore, the stud bolt fixing clip according to claim 4 is the stud bolt fixing clip according to any one of claims 1 to 3, wherein the stud bolt fixing clip is formed at a center position of an axially outer end surface portion of the cylindrical portion. A tool hole engageable with the tip of the tool, and the engagement between the stud bolt and the locking means is released by inserting the tip of the tool into the tool hole and rotating in a predetermined direction. Features.

  In the stud bolt fixing clip according to claim 1, the cylindrical portion is inserted into the mounting hole, the flange portion is brought into contact with one surface of the mounting member, and the approach guide portion is fitted into the notch groove portion, By rotating about the axis in the direction of the distal end of the approach guide portion, the attachment member can be assembled to the attachment hole while being sandwiched by the flange portion and the extension portion. For this reason, it is possible to easily and quickly assemble from one side to an attachment hole formed in a wide sheet-like attachment member such as an undercover attached to a vehicle body panel, etc., and to improve the efficiency of the attachment work. It becomes possible.

  In the stud bolt fixing clip according to claim 2, the mounting member sandwiched between the flange portion and the extending portion can be pressed against the flange portion side by the elastic pressing piece to prevent rattling and the like, and bolt insertion It is possible to mount the mouth so that it is substantially perpendicular to the mounting member.

  Further, in the stud bolt fixing clip according to claim 3, since the positioning projection is located in the notch groove portion when assembled in the mounting hole, rotation around the shaft center due to vibration during traveling or the like is prevented. Can be prevented from coming off from the stud bolt.

  Further, in the stud bolt fixing clip according to claim 4, the engagement between the stud bolt and the locking means can be released by inserting the tip of the tool into the tool hole and rotating it in a predetermined direction. It can be easily removed from the mounted member such as the vehicle body panel.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a stud bolt fixing clip according to the present invention will be described in detail with reference to the drawings based on an embodiment that is embodied. First, the structure of the stud bolt fixing clip 1 according to the present embodiment will be described with reference to FIGS. In FIG. 1, the stud bolt fixing clip 1 is formed of a resin such as polyacetal (POM).

  FIG. 1 is a perspective view of the stud bolt fixing clip 1 as viewed from above. FIG. 2 is a front view of the stud bolt fixing clip 1. FIG. 3 is a right side view of the stud bolt fixing clip 1. FIG. 4 is a plan view of the stud bolt fixing clip 1. FIG. 5 is a bottom view of the stud bolt fixing clip 1. 6 is a cross-sectional view taken along arrow X1-X1 in FIG.

  As shown in FIGS. 1 to 6, the stud bolt fixing clip 1 has a mortar-like predetermined depth (for example, a depth of about 1.5 mm) at the upper end of a substantially cylindrical clip body 2. A concave recess 3 is formed, and a ring-shaped guide flange 4 in a plan view extending obliquely upward from the outer periphery thereof is formed, and the upper end as a whole has a predetermined depth (for example, about It is a depth of 3.0 mm.) It is formed to be recessed in a mortar shape.

  Further, a bolt insertion port 5 into which a stud bolt is inserted is formed at the center of the recess 3. The bolt insertion port 5 is an outer diameter of a screw (for example, a screw) of a stud bolt having a different screw pitch to be inserted (for example, an M6 stud bolt having a screw pitch of 1 mm and a tree stud bolt having a screw pitch of about 1.6 mm). Is formed in a circular shape in plan view with a diameter (for example, a diameter of about 6 mm) substantially equal to the outer diameter of 6 mm.

  A pair of support ribs 6, 6 facing each other are formed vertically below the bolt insertion opening 5 with a thickness smaller than the diameter of the bolt insertion opening 5. Moreover, the distance which the inner surface of each support rib 6 and 6 opposes is formed in the distance substantially equal to the outer diameter of the screw | thread of the stud bolt inserted. Thereby, it has a function which prevents the inclination of the stud bolt inserted from the bolt insertion port 5.

  Further, in order to mold a pair of substantially plate-like first locking members 7 and second locking members 8 provided opposite to each other on the left and right sides of the support ribs 6, each window portion 9, 9 are formed. Accordingly, the pair of side wall portions 10 and 11 having a predetermined width are formed so as to be orthogonal to the support ribs 6 and 6.

  In addition, a substantially disc-shaped partition wall portion 12 having the same outer diameter as that of the clip body 2 is formed at the central portion of the clip body 2 in the axial direction, and the window portions 9 and 9 are partitioned vertically. Further, a through hole 33 into which the tip end portion of the stud bolt is inserted is formed at the center position of the partition wall portion 12 as described later. Further, a cylindrical rib 34 formed in a cylindrical shape having an outer diameter larger than the diameter of the stud bolt inserted into the bolt insertion port 5 is provided at a peripheral portion of the through hole 33 at a predetermined height (for example, a height of about 1 .5mm.) Standing up.

  In addition, the upper end surface extends from the side wall portions 10 and 11 in the substantially vertical outer direction above the partition wall portion 12 of each side wall portion 10 and 11, that is, on the inner side surface on the bolt insertion port 5 side, Projecting ribs 13 and 14 having a substantially right-angled triangular shape in a side view in which a lower end surface is inclined from the side wall portions 10 and 11 toward the bolt insertion port 5 are provided to project over substantially the entire width of the side wall portions 10 and 11. .

  In addition, the lower side of each protruding rib 13, 14 is inclined by a predetermined distance (for example, about 2.5 mm) from the inner surface of each side wall 10, 11 toward the bolt insertion port 5. The projecting ribs 15 and 16 having a substantially parallelogram in side view are formed over substantially the entire width of the side walls 10 and 11.

  Further, from the upper end surface of each protruding rib 13, 14, each elastic connecting piece 17, 18 that is elastically deformable in the inner direction in an inverted U shape when viewed from the side, has the same width as each protruding rib 13, 14 in the inner direction. It extends and is connected to the respective upper ends of the plate-like first locking member 7 and the plate-like second locking member 8. Thus, the first locking member 7 and the second locking member 8 are opposed to each other at a distance narrower than the thread valley diameter of the stud bolt inserted into the bolt insertion port 5 by the elastic connecting pieces 17 and 18. (See FIG. 6).

  The first locking member 7 is formed in a substantially plate shape having substantially the same width as the side wall portion 10, and two stud bolts (for example, screw screws) having different screw pitches inserted into the bolt insertion port 5 are formed on the inner surface. A thread groove of a stud bolt having a smaller screw pitch (for example, an M6 stud bolt having a screw pitch of 1 mm) of a M6 stud bolt having a pitch of 1 mm and a tree stud bolt having a screw pitch of about 1.6 mm. A first locking claw portion 20 made of a plurality of parallel ribs having a substantially triangular shape in side view is formed. Further, the plurality of parallel ribs having a substantially triangular shape in a side view of the first locking claw portion 20 are formed over substantially the entire width of the first locking member 7. The width of the elastic connecting piece 17 and the width of the first locking member 7 are formed to have substantially the same width.

  Further, an upper inclined surface 21A facing the lower inclined surface 13A of the protruding rib 13 projecting from the side wall portion 10 is formed at the upper end portion of the back surface portion (left side surface portion in FIG. 2) of the first locking member 7. An upper projecting rib 21 having a substantially parallelogram shape in side view is provided between the projecting rib 13 and the guide rib 15. Further, the upper protruding rib 21 is formed over the entire width of the first locking member 7.

  Further, an upper inclined surface 22A facing the lower inclined surface 15A of the guide rib 15 projecting from the side wall portion 10 and a rear surface of the first locking member 7 are provided at the lower end of the back surface portion of the first locking member 7. An abutment rib 22 having a substantially right-angled triangular shape in a side view, which is configured from a lower end surface extending in a substantially vertical outer direction from the lower end edge of the portion, is provided. Further, the contact rib 22 is formed over the entire width of the first locking member 7.

  The second locking member 8 is formed in a substantially plate shape having substantially the same width as the side wall portion 11, and two stud bolts (for example, screw screws) having different screw pitches inserted into the bolt insertion port 5 are formed on the inner surface. A screw of a stud bolt having a larger screw pitch (for example, a tree stud bolt having a screw pitch of 1.6 mm) of a M6 stud bolt having a pitch of 1 mm and a tree stud bolt having a screw pitch of about 1.6 mm. A second locking claw portion 23 formed of a plurality of parallel ribs having a substantially trapezoidal shape in side view and meshing with the groove is formed. Further, the plurality of parallel ribs having a substantially trapezoidal shape in a side view of the second locking claw portion 23 are formed over substantially the entire width of the second locking member 8. The width of the elastic connecting piece 18 and the width of the second locking member 8 are formed to have substantially the same width.

  Further, an upper inclined surface 25A facing the lower inclined surface 14A of the protruding rib 14 projecting from the side wall portion 11 is formed at the upper end portion of the back surface portion (the right side surface portion in FIG. 2) of the second locking member 8. An upper projecting rib 25 having a substantially parallelogram shape in side view is provided between the projecting rib 14 and the guide rib 16 so as to be inclined and projectable. The upper protruding rib 25 is formed over the entire width of the second locking member 8.

  Further, an upper inclined surface 26A facing the lower inclined surface 16A of the guide rib 16 projecting from the side wall portion 11 and a rear surface of the second locking member 8 are provided at the lower end of the back surface of the second locking member 8. An abutment rib 26 having a substantially right-angled triangular shape in side view, which is formed from a lower end surface extending in a substantially vertical outer direction from the lower end edge of the portion, is provided. Further, the contact rib 26 is formed over the entire width of the second locking member 8.

  Further, a predetermined thickness (for example, a thickness of about 1 mm) parallel to the axial center from the lower end surface of the guide flange portion 4 to the partition wall portion 12 is formed on the outer peripheral surfaces of the support ribs 6 and 6 and the side wall portions 10 and 11. Each of the four reinforcing ribs 28 is erected along the radial direction so as to have a width that reaches the outer peripheral portion of the guide flange portion 4 at an interval of about 90 degrees of the central angle. Further, the lower end portion of each reinforcing rib 28 is formed so as to be inclined obliquely toward the outer peripheral surface of the partition wall portion 12.

  Further, each support rib 6, 6 is formed such that the width of the lower part from each reinforcing rib 28, 28 is slightly narrower than the part where each reinforcing rib 28, 28 is erected, and each window portion 9 is the same as the outer peripheral surface of the cylindrical portion 30 inserted into the reference mounting hole 52 (see FIG. 7) and the escape mounting hole 53 (see FIG. 8) on the lower side (in the downward direction in FIG. 2). It is formed to have an outer diameter. That is, a cylindrical portion 30 having an outer diameter that is slightly thinner is formed continuously from the side wall portions 10 and 11.

  Further, at the central position in the width direction of the inner side surface of each side wall 10, 11, a predetermined thickness (for example, parallel to the axial center) extends from the lower end surface of the partition wall portion 12 to the bottom surface of each window portion 9 over the entire height. The thickness of each of the reinforcing ribs 29, 29 is about 1 mm, and is erected at a predetermined height (for example, about 2 mm in height) in the radial direction. Accordingly, when a force is applied by the reinforcing ribs 28 and 29 in the direction in which the stud bolt inserted from the bolt insertion port 5 is removed or inserted, the support ribs 6 and 6 and the side wall portions 10 and 11 are deformed. Can be prevented.

  Further, on the inner side of the base end portion on the side opposite to the axial direction with respect to the bolt insertion opening 5 of each side wall portion 10, 11, the width dimension of about half of each window portion 9 from the base end portion of each reinforcing rib 29, 29. The extending portions 32A to 32D each having a substantially elongated flat plate shape extending in a predetermined length parallel to the side surface portions of the support ribs 6 and 6 are provided in both right and left outer directions. Moreover, as for each extension part 32A-32D, the side edge part by the side walls 10 and 11 side is extended predetermined height (for example, about 0.5 mm in height) in the bolt insertion port 5 side direction. The cross section is formed in a substantially horizontal L shape.

  Further, the lower outer peripheral portion facing the lower end surface of each of the extending portions 32 </ b> A to 32 </ b> D of the cylindrical portion 30, i.e., the outer peripheral portion on the axially outer side, has a substantially fan shape in plan view centered on the axial center of the cylindrical portion 30. A pair of flat flange portions 35, 35 are extended outward in the radial direction so as to face each other with respect to the shaft center. Moreover, the lower end surface of each extension part 32A-32D and the upper end surface of each flange part 35 and 35 are the maximum thickness dimensions of the attachment member 51 (refer FIG. 7) which are resin plates, metal plates, etc., such as an undercover. Are separated by a distance approximately equal to (for example, a distance of about 2 mm).

  When the flange portions 35 and 35 are attached to the attachment member 51 as will be described later, the flange portions 35 and 35 abut against the lower end surface of the attachment member 51 to perform a retaining function (see FIG. 11). Further, each extending portion 32A to 32D extends a predetermined length outside the outer peripheral portion of each flange portion 35, 35, and when attached to the attachment member 51 as described later, each flange portion The mounting member 51 is clamped in cooperation with 35 and 35 (see FIG. 11).

  Moreover, one circumferential direction edge part (in FIG. 5, each edge part of clockwise direction) of each flange part 35 is planar view with respect to the side edge part inside each extension part 32A, 32D. It is formed so as to be almost parallel. Further, the other circumferential end edge portion of each flange portion 35 (each end edge portion in the counterclockwise direction in FIG. 5) is inclined outward in the axial direction along the outer peripheral surface of the cylindrical portion 30. Each entry formed so that the distance from the front end portion thereof to the lower end surface of each flange portion 35, that is, the axially outer end surface of each flange portion 35 is larger than the maximum thickness of the mounting member 51. A guide part 36 is formed.

  Moreover, the side edge part by the side of the cylindrical part 30 of each approach guide part 36 is formed so that it may become substantially parallel in planar view with respect to the side edge part inside each extension part 32B and 32C. Thereby, the circumferential edge of one flange 35 and the side edge on the cylindrical portion 30 side of the entry guide 36 of the other flange 35 are connected to a reference mounting hole 52 or a relief mounting hole 53 described later. Are formed so as to be separated by a distance substantially equal to the width dimension of each of the cutout groove portions 54 and 55 (see FIGS. 7 and 8) formed in the outer peripheral portion of the outer peripheral portion.

  Further, the lower end surface portion of each entry guide portion 36, that is, the axially outer end surface portion, extends in the axial direction in a substantially right triangle shape when viewed from the side, and forms substantially the same plane as the axial end surface of the cylindrical portion 30. Yes. Further, the width dimension of each entry guide portion 36 in the direction perpendicular to the diameter direction of the cylindrical portion 30 is such that each notch groove portion 54 formed in the outer peripheral portion of a reference attachment hole 52 or an escape attachment hole 53 described later, 55 (see FIG. 7 and FIG. 8). Therefore, as will be described later, the cylindrical portion 30 is inserted into the reference mounting hole 52 or the escape mounting hole 53 so that each flange portion 35 is brought into contact with the upper end surface of the mounting member 51, and each entry guide portion 36 is cut into each cutting guide 36. It can be inserted into the notch grooves 54 and 55.

  Further, a pair of cutout portions 38, 38 that are notched to the outer peripheral surface of the cylindrical portion 30 with a predetermined width between the extended portions 32 </ b> A, 32 </ b> C of the cylindrical portion 30 and between the extended portions 32 </ b> B, 32 </ b> D. Is formed. In addition, in each of the cutout portions 38, 38, elastic rib portions 39, 39 that are thin and have a substantially rectangular shape in plan view and can be elastically deformed in the direction of the bolt insertion port 5, are extended from the outer peripheral surface of the cylindrical portion 30. The flange portions 35 and 35 are extended to substantially the outer peripheral portion so as to form the same plane as the upper end surfaces of 32A to 32D. Further, positioning protrusions 40, 40 each having a substantially triangular shape in a side view are provided upright at the tip of the lower end surface of each elastic rib 39, 39 on the flange 35, 35 side.

  In addition, on the outer peripheral surface of the base end portion on the opposite side in the axial direction with respect to the bolt insertion port 5 of each side wall portion 10, 11, each elasticity that is elastically deformable in the direction of the bolt insertion port 5 in a thin plate shape wide in plan view The pressing pieces 41, 41 are extended over substantially the entire width of the side wall portions 10, 11 in the obliquely lower outer direction, that is, in the peripheral edge direction of each flange portion 35. Further, the side edge portions on the entry guide portions 36, 36 side of the elastic pressing pieces 41, 41 are extended in the bolt insertion port 5 side direction, that is, the upper side direction to form the guide portions 41A, 41A. Yes.

  Further, at the center position of the axial end surface portion of the cylindrical portion 30, a hexagonal cross section tool hole 43 into which the tip of the hexagon wrench is inserted, and two pairs of the tool hole 43 facing each other and orthogonal to each other in plan view. Four recesses 44 that are recessed outward from the side wall are formed so that the tip of the minus driver can be inserted. Further, a through hole 45 having a circular cross section is formed on the bottom surface of the tool hole 43.

Next, a method for attaching the stud bolt fixing clip 1 configured as described above to the attachment member 51 which is a resin plate such as an undercover or a metal plate will be described with reference to FIGS.
First, the reference mounting hole 52 and the relief mounting hole 53 for locking the stud bolt fixing clip 1 of the mounting member 51 such as a resin plate such as an undercover or a metal plate will be described with reference to FIGS. To do. FIG. 7 is a plan view showing a reference mounting hole 52 in which the stud bolt fixing clip 1 of the mounting member 51 is locked. FIG. 8 is a plan view showing a relief mounting hole 53 in which the stud bolt fixing clip 1 of the mounting member 51 is locked.

  Here, a plurality of stud bolts are fixed to a mounted member 61 (see FIG. 13) such as a vehicle body panel at a predetermined interval and layout. Therefore, in order to attach the sheet-like attachment member 51 such as the under cover with the plurality of stud bolt fixing clips 1, it is necessary to absorb the attachment error of the stud bolt fixed to the attachment member 61.

  Therefore, as shown in FIGS. 7 and 8, the mounting member 51 having a thickness T1 (in this embodiment, T1 is about 0.8 to 2 mm) includes a cylindrical portion of the stud bolt fixing clip 1. One reference mounting hole 52 having an inner diameter substantially equal to the outer diameter of 30, larger than the outer diameter of the cylindrical portion 30 of the stud bolt fixing clip 1, and larger than the outer diameter of the flange portions 35, 35. A plurality of relief mounting holes 53 formed to have a small inner diameter are formed therethrough.

  Therefore, the stud bolt fixing clip 1 attached to the escape mounting hole 53 absorbs the mounting error of the stud bolt fixed to the attached member 61 by the gap between the escape mounting hole 53 and the cylindrical portion 30. Is possible.

  Further, as shown in FIG. 7, a pair of substantially rectangular cutout groove portions 54 in a plan view are cut out on the outer peripheral portion of the reference mounting hole 52 radially outward at positions facing the central axis. Is formed. The distance between the rear end surfaces of the notch grooves 54 and 54 is formed to be equal to or greater than the diameter of the outer peripheral surface of each flange 35. Further, the width dimension of each notch groove portion 54 is formed to be approximately the same as the width dimension perpendicular to the circumferential direction of the approach guide portion 36 formed at the end edge portion of each flange portion 35. As a result, the cylindrical portion 30 is fitted into the reference mounting hole 52 as described later, and each entry guide portion 36 is fitted into each notch groove portion 54 from the upper end surface side (the upper end surface side in FIG. 9). Can be included.

  Further, as shown in FIG. 8, a pair of substantially rectangular notch grooves 55 in a plan view are cut out radially outward at the outer peripheral portion of the escape mounting hole 53 at positions facing the central axis. Is formed. The distance between the rear end surfaces of the notch grooves 55 and 55 is formed to be equal to or greater than the diameter of the outer peripheral surface of each flange 35. In addition, the width dimension of each notch groove portion 55 is formed to be approximately the same as the width dimension perpendicular to the circumferential direction of the approach guide portion 36 formed at the end edge portion of each flange portion 35. As a result, the cylindrical portion 30 can be inserted into the escape mounting hole 53, and each entry guide portion 36 can be fitted into each notch groove portion 55 from the upper end surface side (the upper end surface side in FIG. 9). .

Next, a method for attaching the stud bolt fixing clip 1 to the attachment member 51 will be described with reference to FIGS. Since the method for attaching the stud bolt fixing clip 1 to the reference mounting hole 52 and the escape mounting hole 53 is the same, a method for mounting the stud bolt fixing clip 1 to the reference mounting hole 52 will be described below. .
9 to 11 are explanatory views for explaining the order in which the stud bolt fixing clip 1 is attached to the reference attachment hole 52 of the attachment member 51. 12 is a bottom view showing a state of being attached to the reference attachment hole 52 of FIG.

  First, as shown in FIGS. 9 and 10, each entry guide portion 36 is opposed to each notch groove portion 54 in a state where the cylindrical portion 30 is opposed to the reference mounting hole 52 of the mounting member 51. Then, the cylindrical portion 30 is fitted into the reference mounting hole 52 in the direction of the arrow X2, and each entry guide portion 36 is inserted into each notch groove portion 54, so that the bottom surface of each flange portion 35 is the top surface of the mounting member 51. Abut. As a result, as shown in FIG. 10, the distal end portion of each entry guide portion 36 protrudes below the lower surface of the attachment member 51.

Subsequently, as shown in FIGS. 10 and 11, while holding the guide flange portion 4 and the reinforcing ribs 28 and pressing the stud bolt fixing clip 1 toward the mounting member 51, the clockwise direction (arrow X3 direction). A predetermined angle (for example, an angle of about 140 to 150 degrees) is rotated, and each entry guide portion 36 and each flange portion 35 are caused to sink into the lower surface side of the mounting member 51 from each notch groove portion 54.
Then, as shown in FIGS. 11 and 12, the positioning protrusions 40 projecting from the lower surface side of the elastic rib portions 39 are positioned in the notch groove portions 54.

  Thereby, the attachment member 51 is clamped by each flange part 35, each elastic press piece 41, and each extension part 32A-32D, and the fixing clip 1 for stud bolts can be fixed to the attachment hole 52 for a reference | standard. Further, each positioning protrusion 40 enters each notch groove portion 54, so that a sense of moderation of rotation completion can be obtained, and the stud bolt fixing clip 1 functions as a rotation loosening prevention. In addition, since each elastic pressing piece 41 that is elastically deformed always presses the upper surface of the mounting member 51, it is possible to prevent rotational loosening due to vibration of the stud bolt fixing clip 1 or the like.

  Next, the stud bolt fixing clips 1 attached to the reference attachment holes 52 and the relief attachment holes 53 of the attachment member 51 as described above are covered with metal plates (body) constituting the vehicle body of the automobile. Attachment to a plurality of stud bolts erected on the attachment member 61 will be described with reference to FIGS. 13 and 14. In addition, since the attachment method to two stud bolts of different screw pitches is the same, a method of attaching the stud bolt fixing clip 1 to the stud bolt 63 having a smaller screw pitch will be described with reference to FIGS. .

  FIG. 13 is a partial cross-sectional view showing a state before the stud bolt fixing clip 1 attached to the attachment member 51 is attached to a stud bolt 63 having a smaller screw pitch of two stud bolts having different screw pitches. . FIG. 14 is a partial cross-sectional view showing a state in which the stud bolt fixing clip 1 attached to the attachment member 51 is attached to a stud bolt 63 having a smaller screw pitch of two stud bolts having different screw pitches.

  First, the operator attaches the recessed portion 32 and the guide flange portion 4 to the stud bolt 63 fixed to the predetermined position of the attached member 61 with respect to the stud bolt fixing clip 1 attached to the reference attachment hole 52. It is made to oppose and it positions in the position received in the bolt insertion port 5. Further, each stud bolt fixing clip 1 attached to each escape attaching hole 53 is opposed to the other stud bolt 63 fixed to the attached member 61 with the recessed portion 32 and the guide flange portion 4 facing each other. .

  13 and 14, the mounting member 51 is pushed up in the direction of the arrow X4, and the thread groove of the stud bolt 63 is inserted into the bolt insertion port 5 of the stud bolt fixing clip 1 mounted in the reference mounting hole 52. Insert the tip 63A that is not cut. Then, the mounting member 51 is further pushed up in the direction of the arrow X4 to bring the upper end portion of the guide flange portion 4 into contact with the lower end surface of the mounted member 61.

  Further, by further pushing up the attachment member 51 in the direction of the arrow X4, the stud bolt fixing clip 1 attached to each escape attachment hole 53 has the tip portion 63A of each of the other stud bolts 63, the recess 32 and the guide. Since the flange portion 4 is slid to be inserted into the bolt insertion port 5, the upper end portion of each guide flange portion 4 is moved to the lower end surface of the attached member 61 while being moved through the escape mounting holes 53. It is made to contact.

  Accordingly, each stud bolt 63 is inserted into the clip body 2 while spreading the first locking member 7 and the second locking member 8 of each stud bolt fixing clip 1, and the thread groove of the stud bolt 63 is inserted. The tip portion 63 </ b> A that is not cut is inserted into the through hole 33. Further, since the first locking member 7 is spread outward by the stud bolt 63, the upper inclined surface 22 </ b> A of the contact rib 22 formed at the lower end portion of the first locking member 7 is the side wall portion 10. The guide rib 15 moves outward while in contact with the lower inclined surface 15A. Further, the upper protruding rib 21 of the first locking member 7 moves outward between the protruding rib 13 and the guide rib 15 of the side wall 10 while facing the lower inclined surface 13A of the protruding rib 13.

  Further, since the second locking member 8 is spread outward by the stud bolt 63, the upper inclined surface 26 </ b> A of the contact rib 26 formed at the lower end portion of the second locking member 8 is the side wall portion 11. The guide rib 16 moves outward while in contact with the lower inclined surface 16A. The upper protruding rib 25 of the second locking member 8 moves outward between the protruding rib 14 and the guide rib 16 of the side wall portion 11 while facing the lower inclined surface 14A of the protruding rib 14.

  The ribs of the substantially triangular shape in a side view facing the thread groove of the stud bolt 63 of the first locking claw portion 20 of the first locking member 7 are screwed into the thread groove of the stud bolt 63 by the elastic restoring force of the elastic connecting piece 17. Engage with. Further, the substantially trapezoidal ribs in the side view of the second locking claw 23 of the second locking member 8 on the bolt insertion port 5 side are engaged with the thread grooves of the stud bolt 63 by the elastic restoring force of the elastic connecting piece 18. To do. As a result, the mounting member 51 is locked to the stud bolts 63 erected on the mounted member 61 via the stud bolt fixing clips 1 attached to the reference mounting holes 52 and the relief mounting holes 53. Is done.

  Further, as shown in FIG. 14, when the mounting member 51 moves in the lower direction (arrow X5 direction), the first locking member 7 and the second locking member that engage with the thread groove of the stud bolt 63. 8 is lifted upward. Therefore, the upper inclined surface 22A of the contact rib 22 formed at the lower end portion of the first locking member 7 moves inward along the lower inclined surface 15A of the guide rib 15 of the side wall portion 10, and the first 1 The locking claw portion 20 is strongly pushed into the thread groove and meshes with the thread groove of the stud bolt 63.

  Further, the upper inclined surface 26A of the contact rib 26 formed at the lower end portion of the second locking member 8 moves inward along the lower inclined surface 16A of the guide rib 16 of the side wall portion 11, and the second The locking claw 23 is strongly pushed into the thread groove. Therefore, the first locking claw portion 20 of the first locking member 7 and the second locking claw portion 23 of the second locking member 8 are securely engaged with the thread groove of the stud bolt 63, and each stud bolt The fixing clip 1 can be locked to each stud bolt 63 with a high locking force.

  In addition, after attaching the attachment member 51 to the attachment member 61 as described above, a tip part such as a hexagon wrench is further inserted into the tool hole 43 having a hexagonal cross section formed on the lower end surface of each cylindrical part 30. Alternatively, the tip of a minus driver or the like is inserted into a pair of opposing recesses 44, and the hexagon wrench or minus driver is rotated clockwise. Thereby, the attachment to the stud bolt 63 by the 1st latching claw part 20 of the 1st latching member 7 and the 2nd latching claw part 23 of the 2nd latching member 8 can be tightened more.

  On the other hand, after attaching the attachment member 51 to the attachment member 61 as described above, a tip part such as a hexagon wrench is inserted into the tool hole 43 having a hexagonal cross section formed on the lower end surface of each cylindrical part 30, or A tip of a minus driver or the like is inserted into a pair of recesses 44 facing each other, and the hexagon wrench or minus driver is rotated counterclockwise. Thereby, the attachment to the stud bolt 63 by the first locking claw portion 20 of the first locking member 7 and the second locking claw portion 23 of the second locking member 8 of each stud bolt fixing clip 1 is released. Thus, the mounting member 51 can be removed from the mounted member 61.

  Therefore, as described above, in the stud bolt fixing clip 1 according to the present embodiment, the cylindrical portion 30 is inserted into the reference mounting hole 52 or the escape mounting hole 53, and each flange portion 35 is placed on the upper surface of the mounting member 51. At the same time, after each entry guide portion 36 is fitted into each notch groove portion 54, 55, the guide flange portion 4 and each reinforcing rib 28 are held, and the tip end side direction of each entry guide portion 36 (see FIG. 10 is a clockwise direction in plan view.) By rotating around the axis, each flange portion 35 sinks into the lower surface side of the mounting member 51. Thereby, it can assemble | attach to this reference | standard attachment hole 52 or the escape attachment hole 53 in the state which clamped this attachment member 51 by each flange part 35, the elastic press piece 41, and each extension part 32A-32D. Therefore, each stud bolt fixing clip is provided in the reference mounting hole 52 and each relief mounting hole 53 formed in the wide sheet-shaped mounting member 51 such as an undercover mounted on the mounted member 61 such as a vehicle body panel. 1 can be assembled easily and quickly from the upper surface side, and the efficiency of the mounting work can be improved.

  Further, the mounting member 51 sandwiched between the flange portions 35 and the extending portions 32A to 32D can be pressed toward the flange portions 35 by the elastic pressing pieces 41 to prevent rattling and the like, and the bolt insertion port 5 can be attached so as to be substantially perpendicular to the attachment member 51. Moreover, by forming the guide part 41 extended in the upper direction, ie, the bolt insertion port 5 side direction, in the side edge part by the side of each approach guide part 36 of each elastic press piece 41, each elastic press piece 41 of It is possible to prevent catching on the notch grooves 54 and 55.

  In addition, when the stud bolt fixing clip 1 is assembled in the reference mounting hole 52 or the escape mounting hole 53, the positioning protrusions 40 are positioned in the notch grooves 54 and 55. It is possible to prevent rotation around the shaft center due to moderate vibration or the like, and to prevent the stud bolt 63 from coming off.

  Further, the tip of a hexagon wrench or a flat-blade screwdriver is inserted into the tool hole 43 having a hexagonal cross section formed on the lower end surface of the cylindrical portion 30 or a pair of opposing recesses 44 and rotated counterclockwise. Thus, the engagement of the first locking claw portion 20 of the first locking member 7 of each stud bolt fixing clip 1 and the stud bolt 63 by the second locking claw portion 23 of the second locking member 8 can be released. Therefore, the attachment member 51 can be easily detached from the attachment member 61 such as a vehicle body panel.

  In addition, this invention is not limited to the said Example, Of course, various improvement and deformation | transformation are possible within the range which does not deviate from the summary of this invention.

It is the perspective view seen from the upper direction of the fixing clip for stud bolts. It is a front view of the fixing clip for stud bolts. It is a right view of the fixing clip for stud bolts. It is a top view of the fixing clip for stud bolts. It is a bottom view of the fixing clip for stud bolts. It is X1-X1 arrow sectional drawing of FIG. It is a top view which shows the attachment hole for a reference | standard with which the fixing clip for stud bolts of an attachment member is latched. It is a top view which shows the attachment hole for relief in which the fixing clip for stud bolts of an attachment member is latched. It is explanatory drawing explaining the order which attaches the fixing clip for stud bolts to the reference attachment hole of an attachment member. It is explanatory drawing explaining the order which attaches the fixing clip for stud bolts to the reference attachment hole of an attachment member. It is explanatory drawing explaining the order which attaches the fixing clip for stud bolts to the reference attachment hole of an attachment member. It is a bottom view which shows the state attached to the reference attachment hole of FIG. It is a fragmentary sectional view which shows the state before attaching the fixing clip for stud bolts attached to the attachment member to the stud bolt with the smaller screw pitch of the two stud bolts with different screw pitches. It is a fragmentary sectional view which shows the state which attached the fixing clip for stud bolts attached to the attachment member to the stud bolt with the smaller screw pitch of the two stud bolts of different screw pitches.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fixing clip for stud bolts 2 Clip main body 3 Recessed part 4 Guide flange part 5 Bolt insertion port 6 Support rib 7 First locking member 8 Second locking member 10, 11 Side wall part 13, 14 Protruding rib 15, 16 Guide rib 17 , 18 Elastic connecting piece 20 First locking claw portion 21, 25 Upper protruding rib 22, 26 Contact rib 23 Second locking claw portion 28, 29 Reinforcing rib 30 Cylindrical portion 32A to 32D Extension portion 35 Flange portion 36 Entry Guide part 38 Notch part 39 Elastic rib part 40 Positioning protrusion 41 Elastic pressing piece 43 Tool hole 44 Recess 51 Mounting member 52 Reference mounting hole 53 Relief mounting hole 54, 55 Notch groove part 61 Mounted member 63 Stud bolt

Claims (4)

One end side is assembled to a mounting hole formed in the mounting member, and a bolt insertion port into which a stud bolt fixed to the mounting member is inserted on the other end side, and the bolt provided inside the bolt insertion port In the fixing bolt for stud bolts provided with the locking means engaged with the screw part of the stud bolt inserted in the insertion port,
A cylindrical portion that is formed on the one end side and is inserted into the mounting hole from a side facing the mounted member;
An extending portion facing the one surface of the mounting member in a state of being extended from the outer peripheral surface of the cylindrical portion in a direction perpendicular to the axis and assembled to the mounting hole;
A flange portion extending radially outward in a predetermined angular range around the axis from an outer peripheral surface spaced a predetermined distance outward in the axial direction from the extending portion;
The distance from the one edge in the circumferential direction of the flange portion toward the axially outer side along the outer peripheral surface of the cylindrical portion is the distance from the tip portion to the axially outer end surface of the flange portion. An approach guide portion formed to be larger than the thickness of the member;
With
The mounting member includes a notch groove portion that is notched radially outward from the outer peripheral portion of the mounting hole and can fit the entry guide portion.
The cylindrical portion is inserted into the mounting hole, the flange portion is brought into contact with one surface of the mounting member, and the entry guide portion is fitted into the notch groove portion, and then the distal end side of the entry guide portion The flange portion is embedded in the mounting hole in a state in which the flange portion and the extension portion sandwich the mounting member by rotating around the axis in the direction. A fixing clip for stud bolts.   An elastic pressing piece that is a thin plate extending obliquely in the flange portion side direction from the outer peripheral surface on the same circumference as the base end portion of the extension portion of the cylindrical portion and elastically deformable in the other end side direction. The stud bolt fixing clip according to claim 1, further comprising: A notch portion cut out at a predetermined width from the base end portion of the extension portion to the radially outer edge portion;
A thin plate-like elastic rib portion that extends from the rear end surface of the cutout portion so as to form the same plane as the upper end surface of the extension portion and is elastically deformable in the other end side direction;
A positioning protrusion projecting from the tip of the surface of the elastic rib portion facing the flange portion;
With
3. The stud bolt fixing clip according to claim 1, wherein, when assembled in the mounting hole, the positioning protrusion is positioned in the notch groove portion. 4. A tool hole formed at the center position of the axially outer end surface portion of the cylindrical portion and engageable with the tip of the tool;
The engagement between the stud bolt and the locking means is released by inserting a tip end of the tool into the tool hole and rotating the tool hole in a predetermined direction. Stud bolt fixing clip as described.

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