US20140050549A1 - Clip - Google Patents
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- Publication number
- US20140050549A1 US20140050549A1 US14/059,096 US201314059096A US2014050549A1 US 20140050549 A1 US20140050549 A1 US 20140050549A1 US 201314059096 A US201314059096 A US 201314059096A US 2014050549 A1 US2014050549 A1 US 2014050549A1
- Authority
- US
- United States
- Prior art keywords
- pin
- clip
- grommet
- mounting hole
- engagement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 241001155433 Centrarchus macropterus Species 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 11
- 230000004308 accommodation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 235000021189 garnishes Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
- F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
- F16B5/0628—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship allowing for adjustment parallel or perpendicular to the plane of the sheets or plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/06—Releasable fastening devices with snap-action
- F16B21/08—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part
- F16B21/086—Releasable fastening devices with snap-action in which the stud, pin, or spigot has a resilient part the shank of the stud, pin or spigot having elevations, ribs, fins or prongs intended for deformation or tilting predominantly in a direction perpendicular to the direction of insertion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/44—Clasp, clip, support-clamp, or required component thereof
- Y10T24/44017—Clasp, clip, support-clamp, or required component thereof with specific mounting means for attaching to rigid or semirigid supporting structure or structure-to-be-secured
- Y10T24/44026—Clasp, clip, support-clamp, or required component thereof with specific mounting means for attaching to rigid or semirigid supporting structure or structure-to-be-secured for cooperating with aperture in supporting structure or structure-to-be-secured
Abstract
A clip is provided which can flexibly deal with a change in thickness of a member in which a mounting hole is formed so as to be stably fixed in the mounting hole without any looseness.
This clip 10 includes a grommet 20 and a pin 40. The pin 40 has a head portion 41, a shaft portion 43 which projects from one side of the head portion 41, first locking pieces 50 which are provided flexibly on an outer circumference of the shaft portion 43 so as to be brought into engagement with a circumferential edge of the mounting hole 3 and first engagement portions 50 which are brought into engagement with the grommet 20 so as to prevent the dislodgement of the pin 40.
Description
- This Application is a Divisional Application of U.S. patent application Ser. No. 12/736, 266, filed on Sep. 24, 2010, now U.S. Patent tbd.
- The present invention relates to a clip which includes a grommet and a pin and which is inserted to be fixed in a mounting hole.
- For example, a mounting-subject member such as a trim board cover is detachably mounted on a mount-base member such as a body panel of a vehicle. To detachably mount one member on the other member, a clip including a grommet and a pin is used.
- Conventionally, as such clip,
Patent Document 1 discloses a clip (an expansion type rivet for fastening overlapping plates) including a grommet (a female member) and a pin (a male member). The grommet has a collar, elastic leg pieces which extends from the collar while being divided via a cutout portion and which is adapted to flex and projections which project radially inwards from lower ends of the elastic leg pieces. The pin has a head portion, a shaft portion which extends from the head portion, an expansion portion which is formed at an axially intermediate position along the length of the shaft portion so as to expand the elastic leg pieces radially outwards and recess portions formed vertically in the expansion portion for accommodating and catching therein the lower ends of the elastic leg pieces. - Then, the pin is inserted into the grommet and the projections at the lower ends of the elastic leg pieces are brought into engagement with the recess portions at a proximal end portion side of the shaft portion, whereby the pin is held in the grommet so as not to be dislodged therefrom. With the pin kept in that state, when the clip is inserted into mounting holes of both members and the pin is pushed further into the grommet, the projections are pushed to be expanded from inside by the expansion portion so as to open the elastic leg pieces, whereby both the elastic leg pieces are brought into engagement with a circumferential edge on a back side of the mounting hole in one member, while the collar is brought into abutment with the other member, both the members being thereby coupled together via the clip.
- Patent Document 1: JP-UM-H04-034507-A
- In the clip shown in
Patent Document 1, an angle at which each elastic leg piece is opened when the pin is pushed into the grommet is set in accordance with a thickness of a member such as a body panel. - As a result, for example, in the case of the member being thinner than a certain dimension or a relatively soft member such as a trim board becoming thin due to permanent setting in fatigue, a gap is produced between outer circumferences of upper end portions of the elastic leg pieces (portions to be brought into engagement with the mounting hole) and the mounting hole. This prevents the elastic leg pieces from being brought into firm engagement with the circumferential edge of the back side of the mounting hole, leading to a risk of the clip being loosened.
- On the other hand, in the case of the member being thicker than the certain dimension, the elastic leg pieces strongly strike the mounting hole. This applies an excessive load to the elastic leg pieces, whereby the elastic force of the elastic leg pieces are gradually reduced, and there is caused a possibility that the fixing force with which the elastic leg pieces are fixed to the mounting hole is reduced, which is not preferable.
- In this way, the clip described in
Patent Document 1 cannot flexibly deal with the change in the thickness of the member in which the mounting hole is formed, causing a problem that it is difficult to fix the clip in the mounting hole without any looseness. - Consequently, an object of the invention is to provide a clip which can flexibly deal with a change in thickness of a member in which a mounting hole is formed so that the clip can be stably fixed in a mounting hole without any looseness.
- To attaining the object, according to a first invention, there is provided a clip including a grommet and a pin which is inserted into the grommet and adapted to be inserted to be fixed in a mounting hole, wherein the pin has a head portion, a shaft portion which projects from one side of the head portion, a locking piece which is provided flexibly on an outer circumference of the shaft portion so as to be locked on a circumferential edge of the mounting hole, and an engagement portion which is brought into engagement with the grommet so as to prevent a dislodgement, wherein the grommet has a flange portion having an insertion hole into which the shaft portion of the pin is inserted, a cylindrical portion which projects from a circumferential edge of the insertion hole in the flange portion, an opening portion which is formed in a circumferential wall of the cylindrical portion so as to allow the locking piece of the pin to project therefrom and a holding portion which is brought into engagement with the engagement portion of the pin so as to hold the pin in such a state that the pin can be pushed in further, while preventing the dislodgement, and wherein an urging unit is provided to urge the pin in an opposite direction to a direction in which the pin is pushed in relative to the grommet.
- According to the above invention, by pushing the pin into the grommet and bringing the engagement portion into engagement with the holding portion, the pin can be held in the grommet while being prevented from being dislodged therefrom with the locking piece allowed to project from the opening portion and the pin biased to the opposite side to the direction in which the pin is pushed in. By inserting the cylindrical portion of the grommet and the shaft portion of the pin into the mounting hole in that state, the locking piece is brought into engagement with the circumferential edge of the mounting hole, thereby making it possible to fix the clip in the mounting hole.
- As this occurs, since the pin is biased in the opposite direction to the direction in which it is pushed in by the urging unit, the locking piece is allowed to be pressed towards the back side of the mounting hole. As a result, even in the event that the member in which the mounting hole is formed is thick or becomes thinned due to permanent setting in fatigue, the clip can deal with such a change in thickness as required and can be fixed in the mounting hole without any looseness by the locking piece which is pressed against the circumferential edge of the back side of the mounting hole by the urging unit.
- According to a second invention, there is provided a clip of the first invention, wherein the urging unit is a coil spring which is interposed between the pin and the grommet.
- According to the above invention, since the urging unit is the coil spring, a strong urging force can be stably applied to the pin.
- According a third invention, there is provided a clip of the first or second invention, wherein the urging unit is formed integrally with the pin.
- According to the above invention, since the urging unit is formed integrally with the pin, the number of components can be reduced, and the clip can be made compact. In addition, the pin and the grommet can be assembled into the clip by simply pushing the pin into the grommet, thereby making it possible to enhance the assembling properties of the clip.
- According to a fourth invention, there is provided a clip of the first or second invention, wherein the urging unit is formed integrally with the grommet.
- According to the above invention, since the urging unit is formed integrally with the grommet, the number of components can be reduced and the clip can be made compact, thereby making it possible to enhance the assembling properties of the clip.
- According to a fifth invention, there is provided a clip of any of the first to fourth inventions, wherein a cutout groove is formed in an inner circumference of the insertion hole in the flange portion so as to allow the locking piece of the pin to pass therethrough while flexing inwards, wherein, when the locking piece is inserted into the insertion hole, a distal end portion of the locking piece is brought into engagement with a back side of the cutout groove, and wherein the distal end portion of the locking piece constitutes the engagement portion and the cutout groove constitutes the holding portion.
- According to the above invention, when the pin is pushed into the grommet, the distal end portion of the locking piece is brought into engagement with a circumferential edge of the cutout groove, whereby the pin is held in the grommet so as to be prevented from being dislodged therefrom. In addition, since the distal end portion of the locking piece functions as the engagement portion and the holding portion is made up of the cutout groove formed in the flange portion of the grommet, the pin can be held in the grommet so as not to be dislodged therefrom only by pushing the pin slightly into the grommet. As a result, an overall length of the clip with the clip fixed in the mounting hole can be made short, and a push-in amount of the pin into the grommet can be ensured long, thereby making it possible to deal with a change in thickness of the member in which the mounting hole is formed over a wider range.
- According to a sixth invention, there is provided a clip of any of the first to fourth inventions, wherein a through hole is formed in a bottom portion of the cylindrical portion and an engagement claw is formed at a distal end of the shaft portion of the pin so as to be inserted through the through hole for engagement with a circumferential edge on the projected side of the through hole, and wherein the through hole constitutes the holding portion and the engagement claw constitutes the engagement portion.
- According to the above invention, when the pin is pushed into the grommet, the engagement claw at the distal end of the shaft portion of the pin is brought into engagement with the circumferential edge on the projected side of the through hole, whereby the pin is held in the grommet so as to be prevented from being dislodged therefrom. In addition, since the shaft portion of the pin is inserted in the through hole in the bottom portion of the cylindrical portion, a push-in amount of the pin into the grommet can be ensured. Additionally, in the case of the coil spring being used as the urging unit, since the shaft portion of the pin can be inserted into the coil spring, the inclination and offset in position of the coil spring can be suppressed.
- According to the clip of the invention, by pushing the pin into the grommet so that the engagement portion is brought into engagement with the holding portion, the locking piece is caused to project from the opening portion, and the pin is held in the grommet so as not to be dislodged therefrom with the pin biased towards the opposite side to the direction in which the pin is pushed in. Then, by inserting the clip into the mounting hole in that state, the locking piece is brought into engagement with the circumferential edge of the back side of the mounting hole, whereby the clip can be fixed in the mounting hole.
- As this occurs, since the pin is biased in the opposite direction to the direction in which the pin is pushed in by the urging unit, the locking piece is pressed towards the back side of the mounting hole. As a result, in the case of the member being thick in which the mounting hole is formed or even in the event that the mounting hole formed member becomes thinned due to permanent setting in fatigue, such a change in thickness of the member is dealt with as required, whereby the clip can be fixed in the mounting hole without any looseness by the locking piece which is pressed against the circumferential edge of the back side of the mounting hole.
- Hereinafter, an embodiment of a clip of the invention will be described by reference to
FIGS. 1 to 8 . - As shown in
FIG. 1 , thisclip 10 is fixed in amounting hole 3 formed in a mount-base member 1 such as a body panel without any looseness and includes agrommet 20, apin 40 which is inserted into thisgrommet 20 and acoil spring 70 which is interposed between thispin 40 and thegrommet 20 to urge thepin 40 in an opposite direction to a direction in which thepin 40 is pushed into thegrommet 20. In this embodiment, thecoil spring 70 constitutes the urging unit of the invention. - The
clip 10 of this embodiment is used to detachably mount a mounting-subject member 5 such as a garnish, a trim board or a cover on the mount-base member 1 such as a body panel. However, the application of theclip 10 is not limited to that function. Theclip 10 may be used to connect panel members together or may be fixed in a mounting hole in one member. - The
mounting hole 3 formed in the mount-base member 1 has a circular shape, and a circular throughhole 7 is formed in the mounting-subject member 5 so as to be aligned with themounting hole 3. Althoughplural mounting holes 3 and plural throughholes 7 are formed in the mount-base member 1 and the mounting-subject member 5, respectively, in reality, only one for each is shown herein for the sake of convenience. - Referring to
FIGS. 1 , 3 and 5 to 8, thegrommet 20 will be described. Thisgrommet 20 has a substantially circular disk-like flange portion 21 which is brought into engagement with circumferential edge of a front side of thethrough hole 7. Anaccommodation recess portion 23 is formed to be recessed a certain depth from a front surface of theflange portion 21 so that ahead portion 41 of thepin 40 fits therein. Acircular insertion hole 25 is formed to extend from a center of a bottom portion of the accommodation recessportion 23 so that a shaft portion 43 (which will be described later) of thepin 40 is inserted therein. A pair ofcutout grooves insertion hole 25 so as to extend through theflange portion 21. -
First engagement portions 51 offirst locking pieces 50 andsecond engagement portions 56 ofsecond locking pieces 55, which will be described later, are brought into engagement with circumferential edges of back sides of thecutout grooves 27 depending upon a push-in depth of thepin 40 into thegrommet 20. As shown inFIG. 5 , when thefirst engagement portions 51 are brought into engagement with the circumferential edges of the back sides of thecutout grooves 27, thepin 40 is held in thegrommet 20 so as to be prevented from being dislodged therefrom in such a state that thepin 40 can be pushed in further. Namely, thecutout grooves 27 constitute the holding portion of the invention. - A
cylindrical portion 29, which is adapted to be inserted into themounting hole 3, is provided on a rear surface side of the flange portion so as to project therefrom. As shown inFIGS. 1 , 3, 5, thiscylindrical portion 29 has a cylindricalcircumferential wall 31 which extends from a circumferential edge on a back side of theinsertion hole 25 in theflange portion 21 and abottom portion 32 which is connected to an opening portion at a distal end of thecircumferential wall 31. Thecylindrical portion 29 is formed into a substantially bottomed cylindrical shape. As shown inFIG. 5 , one end of thecoil spring 70 is supported on an inner end face of thebottom portion 32. In addition, ataper surface 32 a is formed on an outer circumference of thebottom portion 32 which gradually reduces in diameter towards a distal end thereof, so as to enhance the guiding properties of theclip 10 when it is inserted into the mountinghole 3. - In addition, a pair of elongated hole-shaped
opening portions cutout grooves first locking pieces 50 of thepin 40 are allowed to appear therefrom or disappear thereinto. As shown inFIGS. 6 , 7, a distal end side circumferential edge of the elongated hole-shapedopening portion 34 is formed so as to be positioned around a proximal end portion of thefirst locking piece 50 when theclip 10 is fixed in the mountinghole 3. Because of this, when thepin 40 is pushed in further from the state in which theclip 10 is fixed in the mountinghole 3, thefirst locking pieces 50 are pressed against by the distal end side circumferential edges of the openingportions 34, so as to be pulled inside from the openingportions 34, as shown inFIG. 8 . - Next, the
pin 40, which is adapted to be inserted into thegrommet 20, will be described by reference toFIGS. 1 , 2, 4A to 4C and 5 to 8. Thispin 40 has thehead portion 41 which has a substantially circular disk-like shape and which is accommodated and disposed in theaccommodation recess portion 23 of thegrommet 20 and theshaft portion 43 which is provided so as to project from one side of thehead portion 41 and which has a substantially circular cylindrical shape. - As shown in
FIGS. 4A to 4C , theshaft portion 43 includes abase portion 44 which projects from a back surface side of thehead portion 41 and of which bothside portions intermediate portion 45 which extends vertically from a distal end of thebase portion 44 and of which bothside portions distal end portion 46 which connects to theintermediate portion 45. In addition, as shown inFIGS. 4A and 4C ,recess grooves side portions 44 a of thebase portion 44 and theside portions 45 a of theintermediate portion 45 at right angles. - The other end of the
coil spring 70 is supported on a distal end face of the circular disk-shapeddistal end portion 46. In addition, thedistal end portion 46 is formed into a size which enables thedistal end portion 46 to fit in an inner circumference of thecylindrical portion 29 of thegrommet 20, so that the inclination of theshaft portion 43 is suppressed when theshaft portion 43 of thepin 40 slides within thecylindrical portion 29 of thegrommet 20. - In addition, the pair of
first locking pieces distal end portion 46 which coincide with both the facingside portions 45 a of theintermediate portion 45 so as to extend obliquely outwards to be formed into an anchor shape. The step-likefirst engagement portions first locking pieces 50, respectively.Insertion portions first engagement portions insertion portions shaft portion 43. As described above, thefirst engagement portions 51 of thefirst locking pieces 50 constitute portions to be brought into engagement with the circumferential edges of the back sides of thecutout grooves 27 and which are brought into engagement with the circumferential edge of the back side of the mountinghole 3. Note that theinsertion portions 52 constitute portions which are inserted into inner circumference of thecutout grooves 27 or an inner circumference of the mountinghole 3 when thefirst engagement portions 51 are brought into engagement with thecutout grooves 27 or the mountinghole 3. - Further, the pair of
second locking pieces head portion 41 from distal end sides of both the facingside portions 44 a of thebase portion 44. The step-likesecond engagement portions second locking pieces 55, respectively. As shown inFIG. 8 , thesecond engagement portions cutout grooves 27 so as to hold the state in which thefirst locking pieces 51 are pulled inside. - Between the
grommet 20 and thepin 40 configured as above, thecoil spring 70, which constitutes the urging unit, is interposed. Thecoil spring 70 will be described in association with an assembling procedure of thepin 40 to thegrommet 20. Firstly, thecoil spring 70 is inserted into thecylindrical portion 29 of thegrommet 20 and the one end thereof is supported on the inner end face of thebottom portion 32. In this state, thefirst locking pieces cutout grooves shaft portion 43 is inserted into thecylindrical portion 29 through theinsertion hole 25, the other end of thecoil spring 70 being supported on the distal end face of thedistal end portion 46 of theshaft portion 43. Then, thepin 40 is pushed into thegrommet 20 against the urging force of thecoil spring 70. - Then, the
first locking pieces cutout grooves 27 to thereby flex inwards. When thefirst engagement portions cutout grooves 27 to appear from the back sides thereof, thefirst locking pieces first engagement portions cutout grooves pin 40 is held in thegrommet 20 so as not to be dislodged therefrom in such a state that thefirst locking pieces 50 project from the openingportions 34. - As this occurs, the
coil spring 70 is interposed between thegrommet 20 and thepin 40 in a compressed state with the one end supported on the inner end face of thebottom portion 32 of thecylindrical portion 29 and the other end supported on the distal end face of thedistal end portion 46 of theshaft portion 43, and thepin 40 is assembled to thegrommet 20 in such a state that thepin 40 is biased in an opposite direction (refer to an arrow inFIG. 5 ) to the direction in which thepin 40 is pushed into thegrommet 20. In this embodiment, in particular, since thecoil spring 70 is adopted as the urging unit, the strong urging force can be stably applied to the pin. - Next, a method for using the above-described
clip 10 will be described. - Namely, the through
hole 7 is aligned with the mountinghole 3, the mounting-subject member 5 is disposed on the mount-base member 1, and thepin 40 is assembled to thegrommet 20 with thecoil spring 70 interposed therebetween to complete the building up of theclip 10. Theclip 10 is inserted from the side of the mounting-subject member 5 (refer toFIG. 1 ). Then, the pair offirst locking pieces corresponding opening portions 34 through the throughholes 7 are pressed against by the inner circumference of the mountinghole 3 to thereby flex inwards. Then, when thefirst engagement portions 51 pass through the correspondingcutout grooves 27 and thefirst engagement portions hole 3, thefirst locking pieces first engagement portions hole 3. Together with this, theflange portion 21 of thegrommet 20 is brought into engagement with the circumferential edge of the front side of the throughhole 7, whereby the mounting-subject member 5 is sandwiched to the mount-base member 1 by both thefirst engagement portions flange portion 21. Thus, as shown inFIG. 6 , the mounting-subject member 5 can be mounted on the mount-base member 1. - As this occurs, since the
pin 40 is biased by thecoil spring 70, which is the urging unit, in the opposite direction to the direction in which thepin 40 is pushed into thegrommet 20, thefirst locking pieces 50 are pressed towards the back side of the mountinghole 3 as shown by an arrow inFIG. 6 . As a result, even in the event that the thickness of the mount-base member 1 changes due to a dimension error, theclip 10 can flexibly deal with the change so that the clip can be stably fixed in the mountinghole 3 without any looseness. - In addition, in the case of the mount-
base member 1 being a flexible trim board or the like, the trim board may become thinner than a certain thickness due to permanent setting in fatigue. Even in such a case, thefirst engagement portions 51 of thefirst locking pieces 50 are brought into strong engagement with the circumferential edge of the back side of the mountinghole 3 by the urging force of thecoil spring 70, so that theclip 10 can be fixed in the mountinghole 3 without any looseness. - In addition, as shown in
FIG. 7 , even in the event that the thickness of the mount-base member 1 is thick, thefirst engagement portions 51 of thefirst locking pieces 50 of thepin 40 which are now pushed upwards by the urging force of thecoil spring 70 are brought into strong engagement with the circumferential edge of the back side of the mountinghole 3. In this case, also, theclip 10 can be fixed in the mountinghole 3 without any looseness. In addition, as this occurs, thecoil spring 70 is press contracted by the change in thickness, and the whole of thepin 40 is pushed in further so as to shift the positions of thefirst engagement portions 51. Thus, theclip 10 can be stably fixed without applying an excessive load onto thefirst locking pieces 50, unlike to a conventional fashion. - In addition, when removing the mounting-
subject member 5 from the mount-base member 1 for the reason of maintenance, thepin 40 only has to be pushed further into thegrommet 20 against the urging force of thecoil spring 70 from the state in which theclip 10 is fixed in the mountinghole 3 as shown inFIG. 6 . Then, as shown inFIG. 8 , thesecond locking pieces cutout grooves grommet 20. Together with this, thefirst locking pieces portions 34 and are then caused to flex inwards so as to be pulled inside from the openingportions first engagement portions 51 are disengaged from the circumferential edge of the back side of the mountinghole 3. Further, when thepin 40 is pushed in and thesecond engagement portions 56 of thesecond locking pieces 55 pass through thecutout grooves 27 to appear from the circumferential edges of the back sides of thecutout grooves 27, thesecond locking pieces second engagement portions cutout grooves first locking pieces portions 34. In this state, by lifting theclip 10 together with the mounting-subject member 5, theclip 10 can be pulled out of the mountinghole 3, whereby the mounting-subject member 5 can be removed from the mount-base member 1. - In this embodiment, since the
cutout grooves flange portion 21 of thegrommet 20 function as the holding portion which holds thepin 40 in thegrommet 20 so as to be prevented from being dislodged therefrom in such a state that thepin 40 is still allowed to be pushed in further, thepin 40 can be held in thegrommet 20 so as not to be dislodged therefrom only by pushing thepin 40 slightly into thegrommet 20. Thus, the push-in amount of thepin 40 into thegrommet 20 can be ensured long, thereby making it possible to deal with the change in thickness of the member in which the mountinghole 3 is formed over a wider range. -
FIGS. 9 , 10 show another embodiment of a clip according to the invention. Note that like reference numerals will be given to substantially like portions to those of the above embodiment, and the description thereof will be omitted. - Compared with the
clip 10 of the previous embodiment, aclip 10 a of this embodiment differs therefrom with respect to a dislodgement prevention mechanism for agrommet 20 and apin 40. - Namely, as shown in
FIGS. 9 , 10, a throughhole 32 b (corresponding to the holding portion of the invention) is formed in abottom portion 32 of thegrommet 20. On the other hand, ashaft portion 43 of thepin 40 has a circularcylindrical guide shaft 57 which projects from a distal end face of adistal end portion 46 and a projectingshaft 59 which projects from a distal end of theguide shaft 57 and whose diameter is made smaller than that of theguide shaft 57. Half-cutflexible engagement claws 63, 63 (corresponding to the engagement portion of the invention) are provided on an outer circumference of the distal end of the projectingshaft 59 so as to project therefrom via aslit 61. An outer circumference of each of theengagement claws engagement projections engagement claws shaft 59 and lie closer to a proximal side of the projectingshaft 59 than theengagement claws 63 so as to project therefrom. - When the
pin 40 is pushed into thegrommet 20 with acoil spring 70 fitted on an outer circumference of theguide shaft portion 57, the outer circumferences of the half-cut engagement claws hole 32 b and are caused to flex inwards. When theengagement claws 63 pass through the throughhole 32 b to appear from a projecting side (an outer surface side) of the throughhole 32 b, theengagement claws hole 32 b, whereby thepin 40 is held in thegrommet 20 so as not to be dislodged therefrom withfirst locking pieces 50 projecting from openingportions 34. - As with the previous embodiment, when the
clip 10 a in which thepin 40 is assembled to thegrommet 20 is inserted into the mountinghole 3,first engagement portions 51 are brought into engagement with a circumferential edge on a back side of the mountinghole 3, whereby theclip 10 is fixed in the mounting hole 3 (refer toFIG. 9 ). - In this embodiment, since the projecting
shaft 59 of theshaft portion 43 of thepin 40 is movably inserted into the throughhole 32 b, a push-in amount of thegrommet 20 into thegrommet 20 can be ensured. Since theguide shaft 57 of theshaft portion 43 of thepin 40 is inserted in thecoil spring 70, the inclination and positional offset of thecoil spring 70 can be suppressed. - In addition, when removing the
clip 10 a from the mountinghole 3, as shown inFIG. 10 , by pushing in thepin 40 further from the state in which theclip 10 a is fixed in the mountinghole 3 as shown inFIG. 9 , the pair ofengagement projections hole 32 b, whereby theclip 10 can be pulled out of the mountinghole 3 with thefirst locking pieces 50 kept pulled inside from the openingportions 34. -
FIGS. 11A to 13 show a further embodiment of a clip of the invention. Note that like reference numerals will be given to substantially like portions to those of the above embodiment, and the description thereof will be omitted. - Compared with the
clips clip 10 b of this embodiment differs therefrom with respect to an urging force application mechanism by an urging unit. - Namely, in the
clip 10 b of this embodiment, thecoil spring 70 is not used as the urging unit, but a configuration is adopted in which aresin spring 70 a which is formed integrally with apin 40 is used. As shown inFIGS. 11A to 11C , theresin spring 70 a includes a pair ofsupport pieces distal end portion 46 of ashaft portion 43 of thepin 40 so as to gradually move obliquely outwards away from each other andspring pieces support pieces - On the other hand, as shown in
FIG. 12 , an elongated hole-shaped throughhole 32 c is formed in abottom portion 32 of thegrommet 20, and a circumferential edge of the throughhole 32 c constitutes aspring abutment portion 36 which is inclined obliquely upwards. - The construction in which the
pin 40 is held in thegrommet 20 so as to be dislodged therefrom is similar to that of theclip 10 shown inFIGS. 1 to 7 . Namely, when thepin 40 is inserted into thegrommet 20, thespring pieces resin spring 70 a are inserted into the throughhole 32 c, andfirst engagement portions 51 offirst locking pieces 50 are brought into engagement with circumferential edges on back sides ofcutout grooves 27, whereby thepin 40 is held in the grommet so as not to be dislodged therefrom. As this occurs, thespring pieces spring abutment portion 36 provided on thegrommet 20 so as to flex. Thus, thepin 40 is biased in an opposite direction to a direction in which thepin 40 is pushed into thegrommet 20 by the restoring force of thespring pieces - As shown in
FIG. 12 , by inserting theclip 10 b in which thepin 40 is assembled to thegrommet 20 is inserted into a mountinghole 3, thefirst engagement portions 51 are brought into engagement with a circumferential edge on a back side of the mountinghole 3, whereby theclip 10 is fixed in the mountinghole 3. As this occurs, by thefirst locking pieces 50 being brought into engagement with the mountinghole 3, thepin 40 is pushed in further, and thespring pieces spring abutment portion 36 on thegrommet 20 to thereby flex. The elastic restoring force of thespring pieces first locking pieces 50 are strongly pressed against the back side of the mountinghole 3, whereby theclip 10 a can be fixed in the mountinghole 3 without any looseness. - When removing the
clip 10 from the mountinghole 3, by pushing in thepin 40 further from the state above against the urging force of theresin spring 70 a, as shown inFIG. 13 ,second engagement portions 56 are brought into engagement with circumferential edges of back sides ofcutout grooves 27, and thefirst locking pieces 50 are held pulled inside from openingportions 34, whereby theclip 10 can be pulled out of the mountinghole 3. -
FIG. 1 is an exploded perspective view showing an embodiment of a clip of the invention. -
FIG. 2 is a perspective view of a pin of the clip. -
FIG. 3 is a perspective view of a grommet of the clip. -
FIGS. 4A to 4C show a pin of the clip, in whichFIG. 4A is a front view,FIG. 4B is a side view andFIG. 4C is a bottom view of the pin. -
FIG. 5 is an explanatory drawing showing a state in which the pin is assembled to the grommet. -
FIG. 6 is an explanatory drawing showing a state in which the clip of the invention is fixed in a mounting hole. -
FIG. 7 is an explanatory drawing showing a state in which the clip is fixed in a mounting hole in a mount-base member whose thickness is thick. -
FIG. 8 is an explanatory drawing showing a state in which the clip is removed from the mounting hole. -
FIG. 9 is an explanatory drawing showing another embodiment of a clip of the invention, which shows a state in which the clip is fixed in a mounting hole. -
FIG. 10 is an explanatory drawing showing a state in which the clip is removed from the mounting hole. -
FIGS. 11A to 11C show a further embodiment of a clip of the invention, in whichFIG. 11A is a front view of a pin of the clip,FIG. 11B is a side view of the pin, andFIG. 11C is a bottom view of the pin. -
FIG. 12 is an explanatory drawing showing a state in which the clip is fixed in a mounting hole. -
FIG. 13 is an explanatory drawing showing a state in which the clip is removed from the mounting hole. - 3 mounting hole; 10, 10 a, 10 b clip; 20 grommet; 21 flange portion; 25 insertion hole; 27 cutout groove (holding portion); 29 cylindrical portion; 31 circumferential wall; 32 bottom portion; 32 b through hole (holding portion); 34 opening portion; 40 pink; 41 head portion; 43 shaft portion; 50 first locking piece (locking piece); 51 first engagement portion (engagement portion); 63 engagement claw (engagement portion); 70 coil spring; 70 a resin spring (urging unit).
Claims (9)
1. A clip, comgr i s i n g:. a grommet;
a pin configured to be inserted into the gromet to a first direction arid temporarily assembled with the grommet while allowing the pin to be further pushed; end
en urging unit configured to urge the cm Ip a second direction opposite to one first direction when the pin is inserted into the gromet,
wherein the pin comprises:
a need portion;
a shaft portion which projects from cue side of the head portion; and
a first locking piece, which is provided flezibly on an cuter circumference of the shaft portion.- adapted to be locked on a circumferential edge of the mounting hole voieo the pin and one grommet are inserted into a counting hole or a mounting member,.
wherein the grommet comprises:
a flange portion having au insertion here into which the shaft portion of the gin is .inserted;
a cylindrical portion which projects from a circumferential edge of the insertion cole in the flange portion; and
an opening portion which is formed in a circumferential wall of the cylindrical parties so as to allow the first locking piece o.f. the pie to project therefrom,
wherein tac firet; locking piece aa configured to be pulled inside from the opening portion when the pin is further pushed from a state in which the pin is temporarilly assembled with, the grommet, and
wherein, when the first locking piece is pulled inside from the opening portion, the clip can be thereby withdrawn front the mounting hole of the mounting member.
2. The clip of claim 1 ,
wherein the grommet.;;further comprises a holding portion, wherein the pin further comprises a second locking piece
provided flexibly on the outer circumference of the shaft
portion
wherein the first locking piece is aoaragered to be engaged with, the holding portion so that the pin is temporarily assembled with the grommet while allowing the pin ta be further pushed, arte
wherein aha secant; lacking piece is configured to be engaged with the holding parties, ao that; tae pin ia held in a state .in which the fires looting piece is polled inside f.t;e;a aha opening partian of the grommet.
3, The clip of claim 2 , wherein the second Ioc.ki.og piece is located between tee first locking piece and the one side of the head per t ion .
4. The clip of claim 1 ,
waereio the urging unit coopri ses a coil spring.
5. The clip of client 4,
wherein trie coil spring is interposed between the pin and the grooraea .
6. Tbe clip of claim 1 ,
wherein toe urging unit is formed integrally with ate pin as s pan tine of the pin,
7. The clip of client 6 f
wherein a ahrcugia hole is formed in a heaters port.icon of the cylindrical portion,- sno.
wherein the resin spring is inserted into the through hole when the pin is inserted info the gronraet.
8. The crip of claim 1 ., wherein the urging unit is ferried integrally with the gromnnet as a portion of a he pin.
9. The clip of claim 1 ,
wherein a cutout groove is formed in an inner circumference or she.insertion hole in the flange portion so at to alien the flier locking piece of the pin to pass therethrough while flexing inwards, and
wherein, when the first locking piece is inserted into the.insertion hole, a distal end portion of the first locking piece is brought into engagement with, a back: side of the cutout groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/059,096 US20140050549A1 (en) | 2008-03-25 | 2013-10-21 | Clip |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008-078365 | 2008-03-25 | ||
JP2008078365 | 2008-03-25 | ||
US73626610A | 2010-09-24 | 2010-09-24 | |
US14/059,096 US20140050549A1 (en) | 2008-03-25 | 2013-10-21 | Clip |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US73626610A Division | 2008-03-25 | 2010-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20140050549A1 true US20140050549A1 (en) | 2014-02-20 |
Family
ID=41113160
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/736,266 Expired - Fee Related US8591160B2 (en) | 2008-03-25 | 2008-10-14 | Clip |
US14/059,096 Abandoned US20140050549A1 (en) | 2008-03-25 | 2013-10-21 | Clip |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/736,266 Expired - Fee Related US8591160B2 (en) | 2008-03-25 | 2008-10-14 | Clip |
Country Status (4)
Country | Link |
---|---|
US (2) | US8591160B2 (en) |
JP (1) | JP5027919B2 (en) |
CN (1) | CN101981329B (en) |
WO (1) | WO2009118936A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
WO2009118936A1 (en) | 2009-10-01 |
US8591160B2 (en) | 2013-11-26 |
JPWO2009118936A1 (en) | 2011-07-21 |
US20110014005A1 (en) | 2011-01-20 |
CN101981329A (en) | 2011-02-23 |
JP5027919B2 (en) | 2012-09-19 |
CN101981329B (en) | 2014-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |