JP2017180492A - Floating nut - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce an installation space for a floating nut at a unit fixing part when the floating nut is attached to the unit fixing part such as a panel and the like by single operation.SOLUTION: This floating nut N comprises a fixing base 1 and a nut 2. The fixing base 1 has a clip 12 and a pair of nut holders 13. The nut 2 has a nut main body 21 and a pair of arms 22. The nut 2 is assembled between a base plate 11 and each of the nut holders 13 and it is movably held in vertical direction, lateral direction and forward or rearward direction within a prescribed range.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a floating nut used for attaching various devices such as communication devices and measuring devices to device mounting portions such as panels and frames.

A general floating nut of this type is disclosed in Patent Document 1.
The floating nut of this document 1 is composed of two parts, a retainer member and a nut member.
The retainer member is composed of a thin box-shaped main body portion that accommodates the base plate portion of the nut member so as to be movable in the front-rear and left-right directions, and an arm portion formed by folding back on a pair of side surfaces of the main body portion. A cylindrical portion insertion hole is formed in which the cylindrical portion of the nut member is movably inserted in the front-rear and left-right directions, and the lower surface opening of the main body portion is closed by a folded back plate portion flush with the pair of arm portions. A bolt insertion hole is formed in the center of the part.
The nut member has a cylindrical portion projecting from the center of the substantially square substrate portion, and a female screw portion into which a bolt is screwed on the center line of the cylindrical portion.
In use of this floating nut, the back plate part and arm part of the retainer member main body part are abutted against the back surface of the support plate member of the fixation object, and are inserted into the bolt insertion holes of the fixation object and the support plate member. The bolt is screwed into the female thread portion of the tube portion through the bolt insertion hole of the back plate portion. At this time, the object to be fixed is moved and adjusted from front to back and left and right so that it is in the position as designed, and the fixing position of the object to be fixed is adjusted by moving the nut member of the floating nut within the main body portion of the retainer member. Then, the fixing bolt is fastened to the nut member with a predetermined strength.

Japanese Utility Model Publication No. 3-59510

However, in the above conventional floating nut, when the retainer member is abutted against the support plate member, the state cannot be maintained unless the retainer member is pressed with a fingertip. There is a problem that is not.
Further, the nut member is formed by projecting a cylindrical portion in the center of the plate-like substrate portion, and the whole is enlarged by the area of the substrate portion, and the main body portion of the retainer member that holds this is also enlarged as a whole. Therefore, when combined with the arm portions on both sides thereof, there is a problem that the installation space for the support plate member of the floating nut becomes large and the effective dimension on the device side cannot be increased.

  The present invention solves such a conventional problem, and in this type of floating nut, various devices can be easily attached by simply installing to a device mounting portion such as a panel or a frame with one touch. It is another object of the present invention to reduce an installation space in a device mounting portion such as a panel or a frame so that an effective dimension on the device side can be increased.

In order to achieve the above object, the floating nut of the present invention comprises:
A base plate that is formed in a flat plate shape and has a bolt insertion portion, and is formed in a substantially L-shaped cross section from one side of the base plate to the back side of the base plate, and extends from one side of the base plate to a predetermined distance in a substantially right angle direction. The rear side protruding portion and a rear side rising portion that gradually extends from the rear side protruding portion toward the other side portion of the base plate in the vicinity of the base plate. The rear side rising portion faces the bolt insertion portion of the base plate. And a clip having a bolt insertion portion, and the other side portions of both sides of the bolt insertion portion of the base plate, with a predetermined gap therebetween, and a substantially L-shaped cross section toward the front side of the base plate. A front-side protrusion extending from the other side of the base plate to a predetermined distance in a substantially right angle direction, and the front Made from the front side rising part from the protruding portion extends in one side direction of the base plate, a mounting base having a pair of nuts holder with restriction hole of a predetermined size on the front side rising part,
A nut body having a screw hole that can be loosely fitted between the nut holders of the mounting base; and a bolt insertion portion that is provided on a rear surface of the nut body and communicates with the screw hole of the nut body, A pair of arms that extend to both sides of the nut body and that can be loosely fitted between the base plate of the mounting base and the nut holders, and protrude forward by a predetermined length toward the tips of the arms; A nut having a pair of protrusions that can be loosely inserted into the restriction holes of the nut holders of the base;
With
The nut is incorporated between the base plate of the mounting base and the nut holder, the nut body is loosely fitted between the nut holders, and the protrusions are loosely inserted into the restricting holes. The mounting base is engaged with the nut body and the nut holders, the protrusions are engaged with the restricting hole edges, and the arms are engaged with the nut holders and the base plate. Within a predetermined range regulated by the combination, it is held movably in the vertical direction, the horizontal direction, and the front-back direction.
This is the gist.

The floating nut is embodied as follows.
(1) The clip of the mounting base is formed on the back side of the base plate from the central part of one side of the base plate and has a substantially L-shaped cross section, and extends from the one side of the base plate in a substantially right angle direction. A rear surface rising portion and a rear surface side rising portion having a bolt insertion portion extending obliquely close to the base plate in a direction toward the other side portion of the base plate from the rear side partial protrusion and facing the bolt insertion portion of the base plate It consists of a pair of press parts which have a convex part on the surface on the side facing the base plate, extending from both sides of the part.
In this case, it is preferable that the convex portions of the pair of presser portions are formed in a substantially arc shape in cross section.
(2) Each arm of the nut is gradually narrowed toward the tip.
(3) The tip of each protrusion of the nut is formed in a substantially single cutting edge shape.

  According to the floating nut of the present invention, since the mounting base is provided with a clip, it can be easily installed with one touch on a device mounting portion such as a panel or a frame to easily attach various devices. Because each nut configuration can reduce the overall size, the installation space in equipment mounting parts such as panels and frames can be reduced, and the effective dimensions on the equipment side can be increased. Play.

The figure which shows the structure of the floating nut by one embodiment of this invention ((a) is a front view (b) is a bottom view (c) is a side view (d) is a rear view) The figure which shows especially the structure of a mounting base of the floating nut ((a) is a front view (b) is a bottom view (c) is a side view (d) is a rear view) The figure which shows especially the structure of a nut of the same floating nut ((a) is a top view (b) is a side view (c) is a rear view) The figure which shows the example of installation of the equipment using the same floating nut In this floating nut, the nut is installed between the base plate of the mounting base and each nut holder, the nut body is loosely fitted between each nut holder, and each protrusion is loosely inserted into each restriction hole, and installed. The base is regulated by engagement between the nut body and each nut holder, engagement between each protrusion and each regulation hole edge of the front side rising portion, and each arm and each nut holder and base plate. The figure which shows the state hold | maintained so that it can move to the up-down direction, the left-right direction, and the front-back direction within the range of (a) is a top view (b) is a rear view.

Next, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 shows a floating nut.
As shown in FIG. 1, the floating nut N includes a mounting base 1 and a nut 2.

  As shown in FIG. 2, the mounting base 1 includes a base plate 11, a clip 12, and a pair of nut holders 13, and the whole is integrally formed of stainless steel having a spring property.

The base plate 11 is formed in a flat plate shape and has a bolt insertion part 110.
In this case, the base plate 11 is formed of a vertically long, substantially rectangular flat plate, and the bolt insertion part 110 is formed near the one side at the center in the vertical direction, in this case, near the left side.

The clip 12 is formed in a substantially L-shaped cross section from one side of the base plate 11 to the back side of the base plate 11, and extends from the one side of the base plate 11 to a predetermined distance in a substantially right angle direction, and a back surface. The rear side rising portion 122 extends gradually from the side protruding portion 121 toward the other side portion of the base plate 11 in the vicinity of the base plate 11, and the rear surface side rising portion 122 faces the bolt insertion portion 110 of the base plate 11. Have
In this case, the clip 12 is formed in a substantially L-shaped cross section from the center of one side of the base plate 11, in this case, from the center of the left side to the back side of the base plate 11, and in a substantially perpendicular direction from the center of the left side of the base plate 11. Extending from the rear side protruding portion 121 and the rear side protruding portion 121 toward the other side portion of the base plate 11, in this case, in the right side portion direction, gradually approaching the base plate 11 and obliquely extending, and facing the bolt insertion portion 110 of the base plate 11. A rear side rising portion 122 having a bolt insertion portion 120 and a pair of both sides of the rear side rising portion 122, in this case, extending from both upper and lower side portions to both upper and lower sides and having a convex portion 124 on the surface facing the base plate 11. Of the presser part 123.
In this case, the rear-side protruding portion 121 is set in consideration of a predetermined distance from the entire left side edge of the base plate 11 toward the back surface of the base plate 11 (in consideration of the thickness of the panel or frame to which various devices are attached). And a width of about one third of the entire length of the right edge of the base plate 11 at the center of the edge of the extension 111 in the vertical direction. The partial protrusion 121P protrudes to the remaining distance of a predetermined distance in the back surface direction of the base plate 11, and the upper and lower sides of the partial protrusion 121P are notched. The back-side rising portion 122 is formed in a substantially rectangular shape continuously to the partial protrusion 121P of the back-side protrusion 121 toward the right side of the base plate 11, and extends slightly beyond the right side of the base plate 11. A bolt insertion portion 120 is drilled at a predetermined position near the left side in the center in the vertical direction facing the bolt insertion portion 110 of the base plate 11 of the back side rising portion 11. The pair of presser portions 123 are respectively opposite to the upper and lower sides of the back surface of the base plate 11 in parallel with the rear surface side rising portion 122 on the right end side through the connecting portion 122P at both the upper and lower side portions of the back side rising portion 122. The convex part 124 is formed in a substantially rectangular shape of a circle, and the convex part 124 has a substantially arc-shaped cross section at a predetermined position on the left side of the surface facing the base plate 11 (a predetermined position on the diameter line of the bolt insertion part 120 of the rear side rising part 122). Is formed into a gentle convex shape.

The pair of nut holders 13 is formed in a substantially L-shaped cross section toward the front side of the base plate 11 with a predetermined interval between the other end portions on both sides of the bolt insertion portion 110 of the base plate 11. The front side rising portion 131 includes a front side protruding portion 131 extending from the other end portion of the base plate 11 to a predetermined distance in a substantially right angle direction, and a front side rising portion 132 extending from the back side protruding portion 131 toward one side portion of the base plate 11. 132 has a regulation hole 130 of a predetermined size.
In this case, each front side protruding portion 131 is a nut body of a nut 2 described later between the other side portions corresponding to the upper and lower sides of the bolt insertion portion 110 of the base plate 11, in this case, the upper and lower ends of the right side portion. The thickness of each arm 22 is such that a pair of arms 22 of the nut 2 described later can be loosely fitted toward the front side of the base plate 11 with a predetermined interval in consideration of the outer diameter of the nut body 21 so that the nut 21 can be loosely fitted. Is formed in a substantially rectangular shape with a predetermined protrusion length in consideration of the above. Each front-side rising portion 132 is formed in a ring shape with a substantially rectangular outer shape continuously to each front-side protruding portion 131, and the inner side thereof can loosely insert each protrusion 23 of a pair of arms 22 of the nut 2 described later. In addition, a horizontally long restriction hole 130 having a predetermined size in consideration of the cross-sectional size of each protrusion 23 is formed.

  As shown in FIG. 3, the nut 2 includes a nut body 21 having a screw hole 20, a pair of arms 22, and a pair of protrusions 23, and the whole is integrally formed of stainless steel having spring properties.

The nut body 21 is formed so as to be loosely fitted between the nut holders 13 of the mounting base 1.
In this case, the nut body 21 is formed in a cylindrical shape having a predetermined outer diameter smaller than the dimension between the nut holders 13 so as to be freely fitted between the nut holders 13, and a threaded portion (female screw) is formed on the inner peripheral surface thereof. It is formed.
The pair of arms 22 is provided on the rear surface of the nut main body 21, has a bolt insertion part 220 communicating with the screw hole 20 of the nut main body 21, extends on both the upper and lower sides of the nut main body 21, and the base plate 11 of the mounting base 1. It is formed so as to be loosely fitted between the nut holder 13.
In this case, the pair of arms 22 is made of a single plate, has a bolt insertion portion 220 that communicates with the screw hole 20 of the nut main body 21, a central portion 221 that slightly protrudes in the outer peripheral direction of the nut main body 21, The arm 221 extends in the vertical direction from the top and bottom of the portion 221 and is gradually narrowed toward the tip, and is tapered as a whole. The central portion 221 has a circular arc shape in which the right side portion extends in the vertical direction, and a linear shape in which the left side portion extends in the vertical direction. Each arm part 222 is formed in an elongated and substantially trapezoidal shape extending in the vertical direction continuously from the top and bottom of the central part 221. The pair of arms 22 are disposed between the base plate 11 of the mounting base 1 and the nut holders 13. When the bolt insertion part 220 of the central part 221 and the bolt insertion part 110 of the base plate 11 are combined, The end portion of the arm portion 222 is disposed at the center of the restriction hole 130 of each front side rising portion 132 of the mounting base 1, and the protrusions 23 are disposed at the center of the restriction holes 130. The length in the vertical direction is set, and as a whole, the size fits between the base plate 11 of the mounting base 1 and each nut holder 13.
The pair of protrusions 23 project forward from the front ends of the arms 22 by a predetermined length substantially at a right angle, and are formed so as to be freely inserted into the restriction holes 130 of the nut holders 132 of the mounting base 11.
In this case, each protrusion 23 continues to the end of each arm 22 and protrudes to a predetermined length that is slightly perpendicular to the front and slightly larger than the dimension between the base plate 11 and the front-side rising portion 132. In this case, the tip is formed in an oblique shape toward the front side protruding portion 131 of the mounting base 1.

As shown in FIG. 1, the floating nut N is thus loosely fitted between the base plate 11 of the mounting base 1 and the nut holders 13 and the nut body 21 between the nut holders 13. In addition, each protrusion 23 is loosely inserted into and incorporated into each restriction hole 130, and the mounting base 1 is engaged with the nut main body 21 and each nut holder 13, and each protrusion 23 and the restriction hole in each front side rising portion 132. It is held movably in the vertical direction, the horizontal direction, and the front-rear direction within a predetermined range regulated by the engagement with the edge 130 and the engagement between the arms 22, the nut holders 13, and the base plate 11.
Each protrusion 23 of the nut 2 has a substantially single cutting edge shape at the tip, so that when the nut 2 is incorporated into the mounting base 1, each protrusion 23 of the nut 2 is attached to the mounting base 1. By pressing against each front side rising portion 132 of each nut holder 13 from above, each front side rising portion 132 is pushed and spread by the oblique edge on the tip side of each protrusion 23 of the nut 2, and each convex portion When the tips of the protrusions 23 enter the nut holders 13, the nut holders 13 return to their original shapes by elastic recovery, and the protrusions 23 are loosely inserted into the restriction holes 130 of the nut holders 13. The nut 2 can be easily assembled into the mounting base 1 by the shape of the tip side of each protrusion 23 of the nut 2.

In FIG. 4, the example of attachment of various apparatuses using this floating nut N is shown.
In FIG. 4, M is a device such as a communication device (this device M has a box-shaped main body and has a flange-shaped operation panel projecting in the outer peripheral direction on the front surface of the main body. Bolt insertion holes on the left and right sides of the operation panel. M0 is provided.), S is a storage space for the device M, and P is a panel (device mounting portion) disposed on both sides of the front surface of the storage space S. In this mounting example of the device M, the device M is stored. The case where it arrange | positions to the space S, the front operation panel is pressed on the panel P of both sides, and it attaches with the volt | bolt B is illustrated.
In mounting the device M, first, bolt insertion holes P0 are opened as mounting holes at the ends of the panels P on both sides. In this case, a bolt insertion hole P is formed in the end portion of each panel P by cutting it into a substantially C shape from the edge portion of the panel P. These bolt insertion holes P0 may be round holes. Further, in order to install the floating nuts N on the panels P on both sides, two holes P1 are drilled together so that the convex portions 124 of the clips 12 of the floating nuts N can be engaged with each other above and below the bolt insertion holes P0. And the floating nut N is installed in the edge part of each panel P. FIG. In this case, since the clip 12 is a spring in the floating nut N, if the end of the panel P is inserted between the base plate 11 and the clip 12, the floating nut N (mounting base 1) is held at the insertion position. If the convex portions 124 of the clip 12 are aligned with the upper and lower holes P1 of the bolt insertion hole P0 at the end of the panel P, the floating nut N can be positioned without shaking at a predetermined position at the end of the panel P. Can do. Therefore, the floating nut N is attached to the end of the panel P so that the end of the panel P is inserted between the base plate 11 and the clip 12, and the bolt insertion portions 110 and 120 of the base plate 11 and the clip 12 are connected to the panel. While aligning with the bolt insertion hole P0 of P, each projecting portion 124 of the clip 12 is engaged with each hole P1 at the end of the panel P, and the floating nut N is installed at the end of the panel P. As a result, the floating nut N has the base plate 11 and the clip 12 elastically sandwiching the end portion of the panel P, and each convex portion 124 of the clip 12 is elastically engaged with each hole P1 of the end portion of the panel P. In addition, the panel P is held without rattling.
And the apparatus M is attached to the panel P using these floating nuts N.
First, the main body of the device M is put in the storage space S, and the bolt insertion holes M0 on both sides of the operation panel are set on both sides while the both sides of the operation panel on the front surface of the device M are brought into contact with the respective panels P (front surfaces). Are aligned with the bolt insertion holes 120 of the floating nut N together with the bolt insertion holes P0 of the panel P.
Then, bolts B are inserted from the bolt insertion holes M0 on both sides of the operation panel, the bolt insertion portions 120 of the clips 12 of the floating nuts N on both sides, the bolt insertion holes P0 of the panels P on both sides, and the floating nuts N on both sides. Are sequentially inserted into the bolt insertion portions 110 of the base plates 11 and screwed into the nut main bodies 21 of the nuts 2 incorporated between the base plates 11 of the floating nuts N on both sides and the nut holders 13, respectively. Tighten up.
At this time, as shown in FIG. 5, the nut 2 has a degree of freedom in position within the mounting base 1, that is, between the base plate 11 of the mounting base 1 and each nut holder 13, the nut body 21 and each nut. A predetermined regulation regulated by engagement with the holder 13, engagement between each protrusion 23 and the edge of the restriction hole 130 of each front side rising portion 132, and engagement between each arm 22, each nut holder 13, and the base plate 11. Since it is held within the range so as to be movable in the vertical direction, the horizontal direction, and the front-rear direction, the pitch of the bolt insertion holes M0 on the device M side to be attached to each panel P with respect to each bolt insertion hole P0 of the panels P on both sides. Even if they are misaligned, the position of each nut 2 can be adjusted correspondingly. By adjusting the position of each nut 2 as appropriate, each bolt B is inserted into each bolt on both sides of the operation panel. From the hole M0, the bolt insertion portion 120 of the clip 12 of each floating nut N, the bolt insertion hole P0 of each panel P, and the bolt insertion portion 110 of the base plate 11 are passed through and securely screwed into the nut body 21 and tightened. it can. Therefore, the mounting workability of the device M can be improved.
Thereby, the apparatus M is fixed by the two bolts B in a state where the main body is disposed in the storage space S and the front operation panel is in contact with the panels P on both sides.

As described above, in this floating nut N, the clip 12 is provided on the mounting base 1, and in particular, the clip 12 is formed in a substantially L-shaped cross section from the center of one side of the base plate 11 to the back side of the base plate 11. The base plate 11 has a rear-side protrusion 121 extending from the center of one side of the base plate 11 in a substantially right-angle direction, and gradually extends from the rear-side protrusion 121 toward the other side of the base plate 11 in close proximity to the base plate 11. A pair of rear side rising parts 122 having bolt insertion parts 120 facing the insertion part 110 and a pair of convex parts 124 extending from both sides of the rear side rising part 122 and having a convex part 124 on the surface facing the mounting base 1. Since the presser part 123 is included, the end of the panel P is inserted between the base plate 11 and the clip 12. Then, the mounting base 1 can be held at the insertion position, and the mounting base 1 can be attached to the panel P by aligning the projections 124 of the clip 12 with the upper and lower holes P1 of the bolt insertion holes P0 at the end of the panel P. It is possible to position without rattling at the end of the. Therefore, in this floating nut N, the end portion of the panel P is sandwiched between the base plate 11 and the clip 12, and each convex portion 124 of the clip 12 is aligned with each hole P1 at the end portion of the panel P. It can be easily and reliably attached to the predetermined installation position of the end portion with one touch.
In this floating nut N, the nut 2 is engaged between the nut body 21 and each nut holder 13 between the base plate 11 of the mounting base 1 and each nut holder 13, each protrusion 23 and each front side rising portion 132. Are held movably in the vertical direction, the horizontal direction, and the front-back direction within a predetermined range regulated by the engagement with the edge of the restriction hole 130 and the engagement of the arms 22 with the nut holders 13 and the base plate 11. Therefore, even when the pitch of the bolt insertion holes M0 on the side of the device M attached to the panel P is deviated from the bolt insertion holes P0 of the panel P, the position of the nut 2 is adjusted as appropriate to pass through the device M. The bolt B is inserted into the bolt insertion portion 120 of the clip 12 of the floating nut N, the bolt insertion hole P0 of the panel P, and the bolt insertion of the base plate 11. The parts 110 are inserted, can be tightened so securely screwed to the nut body 21.
Therefore, according to this floating nut N, it is possible to easily install the device to the attachment destination such as a panel with one touch and easily attach the device.
Further, in this floating nut N, each structure of the mounting base 1 and the nut 2, particularly the ring shape of the nut holder 13 of the mounting base 1, the shape of the arm 22 of the nut 2, and the clip 12 of the mounting base 1 The entire structure can be downsized by sandwiching the end, and the floating nut N can be installed at the end of the panel close to the end edge. The space can be saved by reducing the size.
Therefore, according to this floating nut N, the effective dimension on the device side can be increased, and the device can be made larger.

  In this embodiment, the clip 12 of the mounting base 1 is formed in a substantially L-shaped cross section from the central part of one side part of the base plate 11 to the back side of the base plate 11, and is substantially perpendicular to the one side part of the base plate 11. A rear-side protruding portion 121 extending in the direction from the rear-side protruding portion 121 toward the other side portion of the base plate 11 and gradually extending closer to the base plate 11 and facing the bolt insertion portion 110 of the base plate 11. The back side rising portion 122 and the back side rising portion 122 have a pair of presser portions 123 that extend from both sides of the back side rising portion 122 and have convex portions 124 on the surface facing the mounting base 1. Since it itself has springiness, it is formed in a substantially L-shaped cross section from one side of the base plate to the back side of the base plate. The rear side projecting portion extends from the one side portion of the base plate to a predetermined distance in a substantially right angle direction, and the rear side rising portion gradually extends from the rear side projecting portion toward the other side portion of the base plate in the vicinity of the base plate. In this way, the same effects as described above can be obtained.

N Floating Nut 1 Mounting Base 11 Base Plate 110 Bolt Insertion Part 111 Extension Part 12 Clip 120 Bolt Insertion Part 121 Rear Side Projection Part 121P Partial Projection Part 122 Rear Side Rise Part 122P Connection Part 123 Press Part 124 Projection Part 13 Nut Holder 130 Restriction Hole 131 Front side protruding part 132 Front side rising part 2 Nut 20 Screw hole 21 Nut body 22 Arm 220 Bolt insertion part 221 Central part 222 Arm part 23 Protrusion M Equipment M0 Bolt insertion hole S Storage space for equipment M P Panel (Equipment installation) Part)
P0 Bolt insertion hole P1 hole B Bolt

Claims (5)

A base plate that is formed in a flat plate shape and has a bolt insertion portion, and is formed in a substantially L-shaped cross section from one side of the base plate to the back side of the base plate, and extends from one side of the base plate to a predetermined distance in a substantially right angle direction. The rear side protruding portion and a rear side rising portion that gradually extends from the rear side protruding portion toward the other side portion of the base plate in the vicinity of the base plate. The rear side rising portion faces the bolt insertion portion of the base plate. And a clip having a bolt insertion portion, and the other side portions of both sides of the bolt insertion portion of the base plate, with a predetermined gap therebetween, and a substantially L-shaped cross section toward the front side of the base plate. A front-side protrusion extending from the other side of the base plate to a predetermined distance in a substantially right angle direction, and the front Made from the front side rising part from the protruding portion extends in one side direction of the base plate, a mounting base having a pair of nuts holder with restriction hole of a predetermined size on the front side rising part,
A nut body having a screw hole that can be loosely fitted between the nut holders of the mounting base; and a bolt insertion portion that is provided on a rear surface of the nut body and communicates with the screw hole of the nut body, A pair of arms that extend to both sides of the nut body and that can be loosely fitted between the base plate of the mounting base and the nut holders, and protrude forward by a predetermined length toward the tips of the arms; A nut having a pair of protrusions that can be loosely inserted into the restriction holes of the nut holders of the base;
With
The nut is incorporated between the base plate of the mounting base and the nut holder, the nut body is loosely fitted between the nut holders, and the protrusions are loosely inserted into the restricting holes. The mounting base is engaged with the nut body and the nut holders, the protrusions are engaged with the restricting hole edges, and the arms are engaged with the nut holders and the base plate. Within a predetermined range regulated by the combination, it is held movably in the vertical direction, the horizontal direction, and the front-back direction.
Floating nut characterized by that.   The clip of the mounting base is formed on the back side of the base plate from the central part of one side of the base plate and has a substantially L-shaped cross section, and extends from the one side of the base plate in a substantially right angle direction. A rear rising portion having a bolt insertion portion extending obliquely close to the base plate in a direction toward the other side portion of the base plate from the partial protrusion and facing the bolt insertion portion of the base plate, and both sides of the rear side rising portion 2. The floating nut according to claim 1, comprising a pair of pressing portions extending from the portion to both sides and having a convex portion on a surface facing the base plate.   The floating nut according to claim 2, wherein the convex portions of the pair of presser portions are formed in a substantially arc shape in cross section.   The floating nut according to any one of claims 1 to 3, wherein each arm of the nut is formed to have a gradually narrower width toward the tip.   The floating nut according to any one of claims 1 to 4, wherein each protrusion of the nut has a tip formed in a substantially single cutting edge shape.

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