JP2012211648A - Bolt clip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bolt clip capable of transmitting the operational feeling indicating the mounting completion to a worker.SOLUTION: In the bolt clip 10 which is attached to a bolt having a screw groove in its outer circumferential surface to fix a component, a base member 20 has a center hole through which the bolt is inserted. A cap member 50 is mounted on the base member 20 in a relatively rotatable manner. A center hole is formed in a base part 22 of the base member 20. A supporting part 28 rotatably supports the cap member 50. A first elastic claw body is formed around the center hole and engaged with the screw groove of the bolt. A second elastic claw body includes an elastic body part and a projection part projected from the body part. A hollow cap columnar part 52 of the cap member 50 covers a part of the outer circumference of the base member 20. A plurality of projecting parts 60 of the cap member 50 are provided in the circumferential direction. The projection part is projected in a space formed between the two projecting parts 60.

Description

  The present invention relates to a bolt clip attached to a bolt.

  A stud bolt is attached to a plate-like member such as a vehicle body of the vehicle in a state of protruding from the plate-like member. In order to fix a predetermined part to the vehicle body, a bolt clip is attached to the stud bolt.

  Patent document 1 is used in order to fix an automobile part to a vehicle body panel, and discloses a push nut that is locked to a stud bolt. This push nut has a hollow body part and a plurality of locking claws formed inside the hollow body part. When the stud bolt is inserted into the hollow body, the locking claw is locked in the spiral groove of the stud bolt.

JP-A-9-273528

  Since the technology described in Patent Document 1 has a configuration in which the locking claw is locked in the spiral groove, it is difficult for the operator to grasp how far the push nut is inserted into the stud bolt. If the push nut is not seated on the vehicle body panel that supports the stud bolt, there is a possibility that the push nut and the parts fixed by the push nut will be loose.

  This invention is made | formed in view of such a subject, The objective is to provide the bolt clip aiming at transmitting the operation feeling which shows completion of attachment to an operator.

  In order to solve the above-described problem, a bolt clip according to an aspect of the present invention is a bolt clip that is attached to a bolt having a thread groove on an outer peripheral surface thereof and fixes a component, and has a base having a central hole into which the bolt is inserted. A member and a cap member attached to the base member so as to be relatively rotatable. The base member includes a base portion in which a central hole is formed, a support portion that rotatably supports the cap member, a first elastic claw body that is formed around the central hole and engages with a screw groove of a bolt, and elasticity. And a second elastic claw body having a protruding portion protruding from the main body portion. The cap member has a hollow cap columnar portion that covers a part of the outer periphery of the base member, and a plurality of convex portions that are provided in the circumferential direction. The projecting portion of the second elastic claw projects into a gap formed between the two convex portions.

  According to this aspect, when the attachment to the bolt is completed, it is possible to transmit an operational feeling to the worker so that the worker can securely attach it. As a result, it is possible to suppress the looseness of the bolt clip due to poor attachment.

  ADVANTAGE OF THE INVENTION According to this invention, the bolt clip which aims at transmitting the operation feeling which shows completion of attachment to an operator can be provided.

It is a perspective view of the bolt clip concerning a 1st embodiment. It is a figure which shows the perspective view of the base member which concerns on 1st Embodiment. Fig.3 (a)-FIG.3 (c) are the figures which showed the figure which looked at the base member which concerns on 1st Embodiment from 3 directions. FIGS. 4A and 4B are perspective views of the back side of the cap member according to the first embodiment. Fig.5 (a)-FIG.5 (c) are the figures which showed the figure which looked at the cap member which concerns on 1st Embodiment from 3 directions. FIG. 6A and FIG. 6B are diagrams illustrating the operation of the second elastic claw body and the convex portion. FIG. 7A and FIG. 7B are views showing a bolt clip according to the second embodiment. It is a figure which shows the perspective view of the base member which concerns on 3rd Embodiment. It is a figure which shows the upper side figure of the base member which concerns on 3rd Embodiment. FIG. 10A and FIG. 10B are side views of the base member according to the third embodiment. It is the perspective view seen from the lower part of the cap member concerning a 3rd embodiment.

  FIG. 1 is a perspective view of a bolt clip 10 according to the first embodiment. The bolt clip 10 is inserted into a stud bolt attached to the vehicle body panel, for example, and fixes a predetermined part. The vehicle body panel functions as a bolt fixing member for fixing the stud bolt. For example, the stud bolt protrudes from the rear part of the vehicle body panel, and a mudguard cover is fixed to the bolt clip 10 attached to the stud bolt. The stud bolt has a thread groove on the outer peripheral surface. The outer shape of the bolt clip 10 is formed in, for example, a hexagonal column shape, and a mudguard cover is fitted and fixed to this outer shape.

  The bolt clip 10 has a center hole into which the stud bolt is inserted, and includes a base member 20 attached to the stud bolt and a cap member 50 attached to the base member 20 so as to be relatively rotatable. The central hole refers to a hole formed in the center of the base member 20 and the cap member 50. The stud bolt is inserted first from the base member 20. In the embodiment, it is described that the base member 20 is below the cap member 50 and the cap member 50 is above the base member 20, but the usage mode of the bolt clip 10 is naturally limited to this vertical direction. It is not something that can be done. Each member will be specifically described with reference to the following drawings.

  FIG. 2 is a perspective view of the base member 20 according to the first embodiment. FIG. 3 shows a view of the base member 20 according to the first embodiment viewed from three directions. FIG. 3A shows a top view, FIG. 3B shows a side view, and FIG. 3C shows a bottom view. It should be noted that the same or equivalent components and members shown in the drawings are denoted by the same reference numerals, and redundant description will be omitted as appropriate.

  The base member 20 includes a base portion 22, a base cylindrical portion 26, a support portion 28, a guide portion 32, a first elastic claw body 38, and a second elastic claw body 34. The base 22 has a disk-shaped disk part 30 in which a base center hole 44 is formed at the center, and a flange part 24 formed on the outer periphery of the disk part 30. The flange portion 24 is formed in an umbrella shape so that the flange portion 24 hangs downward from the disc portion 30, and is thinner than the disc portion 30 and has elasticity.

  Three support portions 28 are formed so as to stand from the disk portion 30 and support the cap member 50 in a rotatable manner. As shown in FIG. 1, the support portion 28 is formed in a claw shape, and is supported by hooking the supported portion 62 of the cap member 50 with the plurality of support portions 28.

  The base cylindrical portion 26 is formed in a cylindrical shape, is erected from the upper surface of the disk portion 30, and surrounds the base center hole 44. Three guide portions 32 projecting toward the center of the base center hole 44 and extending in the axial direction are formed on the inner peripheral surface of the base cylindrical portion 26. The three guide parts 32 are arrange | positioned at equal intervals in the circumferential direction. The guide portion 32 is in close proximity to the inserted stud bolt and guides the stud bolt so that it does not deviate from the central axis. Thereby, the guide part 32 can control the movement of a stud bolt and can suppress backlash.

  The first elastic claws 38 are formed at three locations on the inner side of the base cylindrical portion 26, and stand upright from the disc portion 30 in a central direction. The three first elastic claws 38 are arranged at equal intervals in the circumferential direction. The tip of the first elastic claw 38 is caught by the thread of the stud bolt and engages with the thread groove of the stud bolt. The tips of the three first elastic claws 38 are formed so as to be inclined in accordance with the helical inclination of the thread groove. Thereby, the 1st elastic nail | claw body 38 can be reliably engaged with the thread groove of a stud bolt. In addition, by inclining the first elastic claw body 38 and extending it in the radial direction, a predetermined elastic force can be obtained and firmly engaged with the stud bolt. When the stud bolt is pushed into the base center hole 44, the first elastic claw body 38 is bent due to elasticity and can be easily inserted.

  Three fan-shaped holes 36 are formed in the disk portion 30 on the outer side of the base cylindrical portion 26 in the circumferential direction. One end of the second elastic claw body 34 is fixed to the disk portion 30 and extends from there to a space formed by the fan-shaped hole 36. The second elastic claw body 34 is formed on the outer side of the base cylindrical portion 26, and has a main body portion 34a having elasticity and a protruding portion 34b protruding upward from the main body portion 34a. As shown in FIG. 3B, only the protruding portion 34 b of the second elastic claw body 34 protrudes upward from the upper surface of the disk portion 30. The flange part 24 hangs down from the disk part 30, so that a space for the second elastic claw body 34 to bend is formed below the second elastic claw body 34 even when the flange part 24 contacts a plane.

  FIG. 4 is a perspective view of the back side of the cap member 50 according to the first embodiment. FIG. 4A is a view from above, and FIG. 4B is a view from below. Moreover, FIG. 5 shows the figure which looked at the cap member 50 which concerns on 1st Embodiment from 3 directions. 5A shows a top view, FIG. 5B shows a side view, and FIG. 5C shows a bottom view.

  The cap member 50 includes a cap columnar part 52, an upper lid part 54, an intermediate plate part 58, a convex part 60, and a supported part 62. The hollow cap columnar part 52 covers the outer periphery of the base cylindrical part 26. The outer periphery of the cap columnar portion 52 is formed in a hexagonal shape. The inner peripheral surface of the cap columnar part 52 is formed in a cylindrical shape according to the outer shape of the base cylindrical part 26. An upper lid portion 54 is formed at the upper end of the cap columnar portion 52, and a cap center hole 56 is formed at the center of the upper lid portion 54.

  The middle plate portion 58 is provided at the lower end of the cap columnar portion 52 and is formed in an annular shape. A plurality of convex portions 60 are provided below the cap columnar portion 52 via an intermediate plate portion 58 like an impeller. The convex portions 60 are formed in a plate shape, are erected downward from the lower end surface of the middle plate portion 58, and are arranged in, for example, 18 pieces at equal intervals in the circumferential direction. As shown in FIG. 4B, the convex portion 60 has a first surface 60a inclined with respect to the central axis, and a second surface 60b parallel to the central axis. The arrangement of the first surface 60a and the second surface 60b is unified, and the adjacent convex portions 60 are arranged so that the first surface 60a and the second surface 60b face each other.

  An annular supported portion 62 is formed on the outer periphery of the convex portion 60. The supported portion 62 protrudes outward in the radial direction from the convex portion 60 and is connected to all the convex portions 60 to improve the strength of the convex portion 60. As shown in FIG. 1, the supported portion 62 is rotatably supported by the support portion 28 so that the cap member 50 is not detached from the base member 20.

  FIG. 6 is a diagram for explaining the operation of the second elastic claw body 34 and the convex portion 60. FIG. 6A shows a state before attachment to the stud bolt, and FIG. 6B shows a state after attachment to the stud bolt.

  As shown in FIG. 6A, the protruding portion 34 b protrudes into a gap 70 formed between the two convex portions 60. As a result, the first surface 35 of the projecting portion 34b can be caught by the first surface 60a of the projecting portion 60, and when the cap member 50 is rotated, rotational torque is transmitted from the projecting portion 60 to the projecting portion 34b. can do.

  Here, the first surface 35 of the projecting portion 34 b is inclined with respect to the central axis of the bolt clip 10 in the same manner as the first surface 60 a of the convex portion 60. With respect to the rotation direction 72 of the cap member 50, the first surface 35 of the projecting portion 34b and the first surface 60a of the projecting portion 60 are provided so that the inclination of the projecting portion 34b is an acute angle. In addition to the rotational torque from 60, it receives a downward load. When the downward load exceeds a predetermined value, the second elastic claw body 34 is greatly bent as shown in FIG. 6B, the protruding portion 34 b exceeds the convex portion 60, and the cap member 50 and the base member 20. Rotates relative to each other. During the relative rotation, the protrusion 34b rotates over and over the convex portion 60, and the cap member 50 is idled.

An operation of attaching the bolt clip 10 to the stud bolt will be described.
1. A stud bolt is inserted into the central hole of the bolt clip 10 aiming.
2. The stud clip is pushed into the center hole until the bolt clip 10 is temporarily attached. At this time, the first elastic claw body 38 bends and receives the stud bolt.
3. When the temporary attachment is completed, the operator rotates the cap member 50 in a predetermined direction. The predetermined direction means that the tip end of the first elastic claw 38 is engaged with the thread groove of the stud bolt, and the cap member 50 is moved closer to the vehicle body panel by rotating along the spiral thread groove. Direction. When the cap member 50 is rotated in a predetermined direction, the convex portion 60 pushes the protruding portion 34b and the base member 20 is rotated together with the cap member 50, and the cap member 50 and the base member 20 are driven by the threaded groove of the stud bolt. Move towards.
4). When the flange portion 24 of the base member 20 comes into contact with the vehicle body panel and receives a predetermined frictional force, the downward load applied to the protruding portion 34b exceeds a predetermined value, the second elastic claw body 34 bends and the protruding portion 34b The cap member 50 is disengaged from the gap between the convex portions 60 and is in an idling state in which the cap member 50 rotates relative to the base member 20.

  This idling state provides a signal to the operator that the attachment to the stud bolt is complete. This gives the operator an operational feeling indicating the completion of attachment, and allows the bolt clip 10 to be securely attached to the stud bolt. Further, when idling, the projecting portion 34b collides with the convex portion 60 many times to make a sound, and it is possible to notify the operator of the completion of the attachment by sound.

  The second elastic claw body 34 is provided on the radially outer side of the base cylindrical portion 26. Thereby, the rotational torque transmitted to the 2nd elastic nail | claw body 34 from the cap member 50 can be enlarged, and the interlocking of the base member 20 with respect to rotation of the cap member 50 can be made easy.

  The second surface 37 of the projecting portion 34b and the second surface 60b of the convex portion 60 are both formed parallel to the central axis and are formed parallel to each other. When the cap member 50 is rotated in the direction opposite to the predetermined rotation direction 72, the second surface 60b of the convex portion 60 abuts on the second surface 37 of the protrusion 34b to transmit the force. Since the second surface 37 of 34b and the second surface 60b of the convex portion 60 are both parallel to the central axis, no force in the vertical direction acts. Thereby, the bolt clip 10 can be removed.

  FIG. 7 is a view showing a bolt clip 100 according to the second embodiment. 7A shows a top view of the base member 120, and FIG. 7B shows a cross-sectional view of the bolt clip 100. The base member 120 shown in FIG. 7B is a cross section taken along line AA shown in FIG.

  The bolt clip 100 of the second embodiment is different in position of the support portion 128 from the bolt clip 10 of the first embodiment, and the support portion 128 is more than the second elastic claw body 34 as shown in FIG. Arranged radially inside. As shown in FIG. 7B, the support portion 128 is formed in a claw shape, and the tip of the claw portion projects outward in the radial direction.

  A part of the base cylindrical portion 126 is formed with an inward protruding wall portion 131 that is recessed from the cylindrical shape and protrudes inward. The inward protruding wall portions 131 are alternately arranged with the first elastic claws 38 in the circumferential direction. The support portion 128 is disposed in the recessed space formed by the inward protruding wall portion 131. In the disk portion 30 below the support portion 128, a hole 129 for forming the support portion 128 is formed.

  As shown in FIG. 7B, the cap member 50 has a supported portion 162 that protrudes inward in the radial direction on the inner peripheral surface of the cap columnar portion 52. The support part 128 contacts the supported part 162 and supports the supported part 162 rotatably.

  FIG. 8 is a perspective view of the base member 220 according to the third embodiment. FIG. 9 shows a top view of the base member 220 according to the third embodiment. FIG. 10A and FIG. 10B are side views of the base member 220 according to the third embodiment. 10A is a view seen from the arrow 210 shown in FIG. 9, and FIG. 10B is a view seen from the arrow 212 shown in FIG.

  In 3rd Embodiment, the position of the 2nd elastic nail | claw body 234 differs compared with the bolt clip 10 of 1st Embodiment. Specifically, the second elastic claw body 234 is provided on the base cylindrical portion 226 so as to extend in the circumferential direction. Thereby, the outer diameter of the base 22 can be reduced, and the bolt clip can be downsized.

  A hole 236 is formed in the base cylindrical portion 226 in the circumferential direction. A second elastic claw body 234 is provided in the space formed in the hole 236. The 2nd elastic nail | claw body 234 has the main-body part 234a which has elasticity, and the protrusion part 234b which protrudes radially outward from the main-body part 234a. As shown in FIG. 9, only the protruding portion 234 b of the second elastic claw body 234 protrudes outside the base cylindrical portion 226. Further, the protruding portions 234b are provided so as to protrude from three locations in the circumferential direction at equal intervals.

  FIG. 11 is a perspective view of the cap member 250 according to the third embodiment as viewed from below. The convex portion 260 is provided so as to protrude radially inward from the inner peripheral surface of the cap columnar portion 52. Thereby, the axial length of the cap member 50 can be reduced. In the gap formed between the two convex portions 260, the protruding portion 234b protrudes. Accordingly, the first surface 235 of the protrusion 234b can be caught by the first surface 260a of the convex portion 260, and when the cap member 250 is rotated, the rotational torque is transmitted from the convex portion 260 to the protrusion 234b. can do.

  Here, the first surface 235 of the projecting portion 234b and the first surface 260a of the convex portion 260 are inclined with respect to a surface parallel to the central axis of the bolt clip and passing through the central axis, and when the cap member 250 rotates, the projecting portion 234b. Receives a load inward in the radial direction in addition to the rotational torque from the convex portion 260. When the base 22 comes into contact with the vehicle body panel and the base 22 receives a frictional force of a predetermined value or more from the vehicle body panel, the cap member 250 is configured to rotate relative to the base member 220 even if the cap member 250 is rotated. As a result, the completion of the attachment can be transmitted to the operator with an operational feeling and sound, and the bolt clip can be securely attached to the stud bolt.

  Since the first surface 235 of the projecting portion 234b and the first surface 260a of the convex portion 260 are formed so as to be parallel to the central axis of the bolt clip 10 and pass through the central axis, the second elastic claw body 234 is convex. It is comprised so that it may not act in the direction which remove | deviates from the clearance gap between the parts 260. FIG. As a result, the bolt clip can be removed by rotating the cap member 250 in the reverse direction.

  The present invention is not limited to the above-described embodiments, and various modifications such as design changes can be added to the embodiments based on the knowledge of those skilled in the art. Embodiments described may also be included within the scope of the present invention.

  In the embodiment, the cap member 50 has the cap center hole 56. However, the cap center hole 56 is not formed, and the upper lid portion 54 may be closed. Thus, the stud bolt can be completely covered with the bolt clip 10.

  10 bolt clip, 20 base member, 22 base part, 24 flange part, 26 base cylindrical part, 28 support part, 30 disk part, 32 guide part, 34 second elastic claw body, 34a main body part, 34b protrusion part, 35 first 1 surface, 36 fan-shaped hole, 37 2nd surface, 38 1st elastic claw body, 40 guide groove, 42 space, 44 base central hole, 46 inward protruding wall portion, 50 cap member, 52 cap columnar portion, 54 upper lid portion , 56 Cap central hole, 58 Middle plate portion, 60 Convex portion, 60a First surface, 60b Second surface, 62 Supported portion.

Claims (5)

A bolt clip that is attached to a bolt having a thread groove on the outer peripheral surface and fixes a component,
A base member having a central hole into which a bolt is inserted;
A cap member attached to the base member so as to be relatively rotatable,
The base member is
A base where the central hole is formed;
A support portion for rotatably supporting the cap member;
A first elastic claw formed around the central hole and engaged with a screw groove of a bolt;
A main body portion having elasticity, and a second elastic claw body having a protruding portion protruding from the main body portion,
The cap member is
A hollow cap columnar portion covering a part of the outer periphery of the base member;
A plurality of convex portions provided in the circumferential direction,
The protruding portion protrudes into a gap formed between the two protruding portions.   When the cap member is rotated around a bolt to bring the cap member closer to a fixing member for fixing the bolt, the convex portion pushes the protruding portion in the rotation direction so as to be integrated with the cap member and the base. When the member rotates and moves toward the fixed member, and the base portion abuts on the fixed member and receives a predetermined frictional force, the second elastic claw body is bent and the projecting portion becomes the convex portion. The bolt clip according to claim 1, wherein the cap member moves out of the gap and rotates relative to the base member. The base member is erected from the base and has a base cylindrical portion surrounding the central hole,
3. The bolt clip according to claim 1, wherein the second elastic claw body is provided on a radially outer side of the base cylindrical portion on the base portion. The base member is erected from the base and has a base cylindrical portion surrounding the central hole,
The bolt clip according to claim 1 or 2, wherein the second elastic claw body is provided so as to extend in a circumferential direction on the base cylindrical portion.   The bolt clip according to claim 4, wherein the convex portion is provided so as to protrude radially inward from an inner peripheral surface of the cap columnar portion.

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