JP2013119883A - Fastener - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fastener small in number of components, easily manufactured, and capable of movably fixing a mounted member.SOLUTION: The fastener includes: a T-shaped collar (10) having a hollow cylindrical part (12), a flange (11), and a through hole (14); and a blind rivet. The blind rivet having a hollow sleeve (22), a flange (21), and the through-hole (26), includes: a rivet body (20) having a diameter-expanded buckling part (24) formed in a part of the sleeve; and a mandrel (30) fractured at a fracture part (34) and having a shaft part (32) left in the through-hole of the rivet body and a head (31) having an outer diameter larger than the inner diameter of the through-hole of the rivet body. The T-shaped collar is fixed between the diameter-expanded buckling part of the rivet body and the flange of the rivet. A plurality of mounted members are supported around the cylindrical part of the T-shaped collar to move between the flange of the T-shaped collar and the flange of the rivet body.

Description

  The present invention relates to a fastener and a fastening method thereof. In particular, the present invention relates to a fastener that can be slidably or rotatably fastened to a mounted member having a mounting hole by a fastener having large diameter portions at both ends, and a fastening method thereof.

When a plurality of plate-like attached members are attached to be movable with respect to each other, they are generally fixed by a fastener passing through an attachment hole of the attached member. There is a method of fixing a fastener so as not to come off by passing a shaft portion of a fastener having a flange and a shaft portion through mounting holes of a plurality of attached members and attaching a fixing pin to an end portion of the shaft portion.
FIG. 1 is a cross-sectional view showing a state in which two attached members are attached by a conventional fastener. This fastening method is employed in pedestrian traffic lights. In the conventional fastening method, a mounting pin 50 having a shaft portion 52 and a flange 51 having a large diameter formed at one end portion of the shaft portion 52 is used. A fixing pin hole 53 for passing the fixing pin in the radial direction is formed in a portion near the other end of the shaft portion 52. A mounting hole 43 is formed in the mounted member 41. A mounting hole 44 is formed in the mounted member 42. The mounted members 41 and 42 are overlapped so that the mounting holes 43 and 44 are aligned, a washer 55 is mounted on the mounting pin 50, and the shaft 52 of the mounting pin 50 is inserted into the mounting holes 43 and 44. The outer diameter of the washer 55 needs to be larger than the inner diameter of the mounting hole 44 of the mounted member 42. The other washer 54 is attached from the other end side of the shaft portion 52. The outer diameter of the washer 54 needs to be larger than the inner diameter of the mounting hole 43 of the mounted member 41. Next, the fixing pin 56 is passed through the fixing pin hole 53 and the end of the fixing pin 56 is caulked to fix the fixing pin 56 so that it does not fall off. In this state, the mounting pin 50 does not come off, and the mounted members 41 and 42 are loosely fixed so that they can slide or rotate with respect to each other.

However, this fixing method uses a mounting pin 50, two washers 54 and 55, and a fixing pin 56. That is, four parts were necessary as a fastener. Also, the fastening operation is performed by attaching the washer 55 to the mounting pin 50, inserting the mounting pin 50 into the mounting holes 42, 44 from one side of the mounted members 41, 42, and from the other end side of the shaft portion 52. The other washer 54 is attached, the fixing pin 56 is passed through the fixing pin hole 53, and the end portion is caulked. Fixing with the fixing pin 56 was likely to cause variations in fixing strength depending on the work.
Further, it is necessary to work from both sides of the mounted members 41 and 42.

  There is also a method of fixing the member to be attached using a bolt and a nut. In order to attach the two mounted members so that they can move relative to each other, the bolts and nuts cannot be tightened tightly, and there is a risk of loosening. Therefore, it is necessary to use a fixing pin to prevent the nuts from loosening. is there. In this case as well, there are problems that the number of parts is large and workability for fixing the fixing pins is poor.

In Patent Document 1, a blind rivet having a flange at one end and a hollow shank extending from the flange and having an inner peripheral surface formed therein is partially expanded into a plate-like member having a hole through which the shank passes. A blind nut attached by inflating is disclosed.
The blind nut of Patent Document 1 can rotate the blind nut relative to the plate-like member between the flange and the expanded portion of the shank, and has a spacer having a height greater than the thickness of the plate-like member, An auxiliary member that extends from one end of the shaft and can rotate the blind nut is fixed. Therefore, it is possible to adjust the interval by rotating the blind nut with both members attached after the members are attached.
However, the blind nut of Patent Document 1 requires a large number of parts such as a bolt, a blind nut, a plate-like member, a spacer, and an auxiliary member.

Patent Document 2 discloses a female end component (corresponding to a rivet body) having a metal insert and a plastic case, and a male end component (corresponding to a mandrel) disposed inside the female end component and having a head and a shank. A blind rivet fastener assembly is disclosed. In Patent Document 2, the diameter of the shank is expanded by a mandrel, the male end component and the female end component are brought into close contact, the mandrel is broken, and the flat panel is fixed.
In patent document 2, a female end part component contains a metal insert inside a plastic case, and there exists a problem that a structure is complicated.

Patent Document 3 discloses a rotary joint assembly including a first plate member having a cylindrical protrusion and a second plate member having an opening sized to receive the protrusion of the first plate member. . In Patent Document 3, a flange of a rivet body is formed by deforming a part of a rivet body by a rivet stem that passes through a protrusion opening, and two plate members are rotatably held between the rivet head and the flange.
In Patent Document 3, it is necessary to form a cylindrical protrusion on the first plate member to be coupled, and to form an opening large enough to receive the projection of the first plate member on the second plate member. There has been a problem that complicated processing has to be performed on the member to be processed.

Therefore, there has been a demand for a fastener that has a small number of parts, can be easily manufactured, and can fix the attached member in a movable manner.
In addition, a fastener with good fastening workability that can be fastened easily with a short fastening time has been demanded.
Further, there has been a demand for a fastener with less variation in fastening strength due to fastening work.

Japanese Utility Model Publication No. 58-22509 JP 62-6208 A JP 2001-32820 A

Accordingly, an object of the present invention is to provide a fastener that has a small number of parts, can be easily manufactured, and fixes a member to be attached in a movable manner.
Another object of the present invention is to provide a fastener having a short fastening work time and good fastening workability.
Moreover, the objective of this invention is providing the fastener with little variation in the fastening strength by fastening operation | work.

In order to achieve this object, the first aspect of the present invention uses a blind rivet including a rivet body having a flange and a sleeve by inserting a T-shaped collar having a flange and a cylindrical portion into a mounting hole of a mounted member. The both ends of the T-shaped collar are fixed between the flange and the buckled portion formed by expanding a part of the sleeve, and the mounted member is interposed between the flange of the T-shaped collar and the flange of the rivet body. Is supported movably.
The second aspect of the present invention uses a blind nut having a flange and a sleeve instead of a blind rivet, and inserts a T-shaped collar having a flange and a cylindrical portion into the mounting hole of the mounted member, Both ends of the T-shaped collar are fixed between buckling portions formed by expanding a part of the sleeve of the blind nut, and a member to be attached is interposed between the flange of the T-shaped collar and the flange of the blind nut. Support in a movable manner.

A first aspect of the present invention is a fastener for movably fastening a plurality of attached members having attachment holes,
A T-shaped collar having a hollow cylindrical portion, a flange formed at one end of the cylindrical portion, and a through-hole penetrating from an end on the cylindrical portion side to an end on the flange side;
A blind rivet, wherein the blind rivet comprises:
A rivet body having a hollow sleeve, a flange formed at one end of the sleeve, and a through-hole penetrating from the sleeve side end to the flange side end;
A mandrel having an elongated shaft portion partially disposed in the through hole of the sleeve, and a head portion having an outer diameter larger than an inner diameter of the through hole of the rivet body, disposed at a sleeve side end portion of the rivet body; Including,
Insert the T-shaped collar into the mounting hole of the mounted member from the cylindrical portion side,
The blind rivet is inserted into the through hole of the T-shaped collar from the cylindrical portion side of the T-shaped collar with the head of the mandrel at the head, and the flange of the rivet body is the T-shaped Arranged at the end of the collar on the cylindrical side,
When the flange of the rivet body is supported and the shaft portion of the mandrel is pulled out from the flange side of the rivet body, a part of the sleeve is pushed by the head to expand the diameter, and the rivet The T-shaped collar is fixed between the buckled portion of the body whose diameter is increased and the flange of the rivet body, and the shaft portion of the mandrel is broken and pulled out at the break portion,
The plurality of attached members are supported movably between the flange of the T-shaped collar and the flange of the rivet body around the cylindrical portion of the T-shaped collar. It is a fastener.

  As a result, the T-shaped collar is a simple operation of fastening the blind rivet from one side of the mounted member using three parts of the T-shaped collar, the rivet body, and the mandrel. The member to be attached can be securely fixed between the flange of the T-shaped collar and the flange of the rivet body so as to be movable.

Further, the present invention is a fastener for fastening a plurality of attached members having attachment holes so as to be movable,
A T-shaped collar having a hollow cylindrical portion, a flange formed at one end of the cylindrical portion, and a through-hole penetrating from an end on the cylindrical portion side to an end on the flange side;
A blind rivet, wherein the blind rivet comprises:
A hollow sleeve, a flange formed at one end of the sleeve, and a through-hole penetrating from the sleeve side end to the flange side end, and the diameter of the sleeve is expanded by a fastening operation of the blind rivet A rivet body formed with a buckled part,
Breaking at the breaking portion by the fastening operation, the shaft portion remaining in the through hole of the rivet body, and the sleeve side end portion of the rivet body, having an outer diameter larger than the inner diameter of the through hole of the rivet body. A mandrel having a head,
The flange of the rivet body is disposed at an end portion of the T-shaped collar on the cylindrical portion side, and the T-shape is interposed between the buckled portion of the rivet body whose diameter is increased and the flange of the rivet body. The color is fixed,
The plurality of attached members are supported movably between the flange of the T-shaped collar and the flange of the rivet body around the cylindrical portion of the T-shaped collar. It is a fastener.

A second aspect of the present invention is a fastener for fastening a plurality of attached members having attachment holes so as to be movable,
A T-shaped collar having a hollow cylindrical portion, a flange formed at one end of the cylindrical portion, and a through-hole penetrating from an end on the cylindrical portion side to an end on the flange side;
A hollow sleeve, a flange formed at one end of the sleeve, and a through-hole penetrating from the sleeve side end to the flange side end, and the diameter of the sleeve is increased by fastening operation of the blind nut And a blind nut formed with a buckled portion,
The flange of the blind nut is disposed at an end portion of the T-shaped collar on the cylindrical portion side, and the T-shape is interposed between the buckled portion of the blind nut whose diameter is increased and the flange of the blind nut. The color is fixed,
The plurality of attached members are supported movably between the flange of the T-shaped collar and the flange of the rivet body around the cylindrical portion of the T-shaped collar. It is a fastener.

  This makes it easy to use two parts, a T-collar and a blind nut, and fasten the blind nut from one side of the mounted member. It can be securely fixed in a movable manner between the nut flange.

The length of the cylindrical portion of the T-shaped collar is preferably longer than the total thickness of the plurality of attached members.
The outer diameter of the flange of the T-shaped collar and the outer diameter of the flange of the rivet body are preferably larger than the inner diameter of the mounting hole of any of the mounted members.

  It is preferable that a concave portion having an inner diameter larger than that of the through hole is provided on the flange side of the T-shaped collar, and the buckling portion is formed in the concave portion.

According to the present invention, it is possible to obtain a fastener that has a small number of parts, can be easily manufactured, and can fix a member to be attached to be movable.
Moreover, a fastener with good fastening workability can be obtained.
Further, it is possible to obtain a fastener with less variation in fastening strength due to fastening work.

It is sectional drawing which shows the state which attached the to-be-attached member with the conventional fastener. It is sectional drawing of the T-shaped collar of the fastener of the 1st Embodiment of this invention. It is the front view which made a part of rivet body of a blind rivet of a fastener of a 1st embodiment of the present invention a section. It is the front view which made the cross section the part which shows the state before inserting the T-shaped collar of the fastener by the 1st Embodiment of this invention in the mounting hole of a to-be-attached member, and inserting a blind rivet into a T-shaped collar. . It is the front view which made the cross section the part which shows the state after fastening a to-be-attached member with the fastener of FIG. It is the front view which made the cross section the part which shows the state after fastening the to-be-attached member by the modification of 1st Embodiment. It is sectional drawing which shows the state before inserting the T-shaped collar of the fastener by 2nd Embodiment in the mounting hole of a to-be-attached member, and inserting a blind nut in a T-shaped collar. It is sectional drawing which shows the state after fastening a to-be-attached member with the fastener of FIG. It is a perspective view which shows the whole example of the fastening tool used in the 2nd Embodiment of this invention.

Hereinafter, a fastener according to a first embodiment of the present invention will be described with reference to the drawings. A fastener according to an embodiment of the present invention includes a T-shaped collar 10 and a blind rivet having a rivet body 20 and a mandrel 30.
FIG. 2 is a sectional view of the T-shaped collar 10 which is a component part of the fastener according to the first embodiment of the present invention. The T-shaped collar 10 is axisymmetric about the central axis, and has a large-diameter flange 11 and a cylindrical cylindrical portion 12 extending from the flange 11. The outer diameter of the flange 11 is larger than the inner diameters of the mounting holes 43 and 44 of the mounted members 41 and 42. The outer diameter of the cylindrical portion 12 is smaller than the inner diameter of the mounting holes 43 and 44 of the mounted members 41 and 42 and can be inserted into the mounting holes 43 and 44.

  A dish-like recess 13 centered on the central axis is formed inside a part of the cylindrical portion 12 from the flange 11 side end, and a mandrel head to be described later can be received in the recess 13. The bottom surface of the concave portion 13 is slightly tapered, and a through hole 14 is formed along the central axis on the inner side of the cylindrical portion 12 following the bottom portion of the tapered concave portion 13, and a sleeve of the rivet body is provided here. I can accept it. The depth of the recess 13 is slightly longer than the thickness of the flange 11, and the length of the through hole 14 following the recess 13 is slightly shorter than the length of the cylindrical portion 12.

  FIG. 3 is a front view of a section of the rivet body 20 with respect to the blind rivet that is a component part of the fastener according to the first embodiment of the present invention. The blind rivet includes a rivet body 20 and a mandrel 30. The mandrel 30 is inserted into the through hole 26 of the rivet body 20 from the sleeve side end of the rivet body 20, and the head 31 of the mandrel 30 is disposed adjacent to the sleeve side end of the rivet body 20.

The rivet body 20 for blind rivets will be described. The rivet body 20 is axisymmetric with respect to the central axis, and includes a large-diameter flange 21 and a cylindrical sleeve 22 extending from the flange 21. The flange 21 has a large diameter, and the outer diameter of the flange 21 is larger than the inner diameters of the mounting holes 43 and 44 of the mounted members 41 and 42. The sleeve 22 includes an intermediate portion 23, a buckling portion 24, and a tip portion 25 from the flange 21 side. A through hole 26 penetrating from the flange 21 to the distal end portion 25 is formed.
The outer diameter of the sleeve 22 including the intermediate portion 23, the buckling portion 24, and the distal end portion 25 is slightly smaller than the inner diameter of the through hole 14 of the T-shaped collar 10, and the sleeve 22 is inserted into the through hole 14 of the T-shaped collar 10. I can do it.

The intermediate part 23 is cylindrical. The buckling portion 24 following the intermediate portion 23 has a cylindrical shape, and has a slightly larger outer diameter and inner diameter than the intermediate portion 23. The thickness of the buckling portion 24 is the same as that of the intermediate portion 23. Both end portions of the buckling portion 24 are inclined and are easily deformed when buckling. When the rivet body 20 is fastened, the buckling portion 24 is buckled by the head of the mandrel and is expanded in diameter, and is engaged with the bottom surface of the concave portion 13 of the T-shaped collar 10.
Following the buckling portion 24, the end portion of the rivet body 20 is a tip portion 25. The distal end portion 25 has a cylindrical shape and has substantially the same outer diameter and inner diameter as the intermediate portion 23. The tip 25 does not buckle when the rivet body 20 is fastened.

The rivet body 20 is formed with a through hole 26 that penetrates the flange 21 and the sleeve 22. The inner diameter of the through hole 26 is slightly larger than the outer diameter of the mandrel shaft described later, and the mandrel shaft can be inserted.
The length of the through hole 26 in the inner portion of the intermediate portion 23 is substantially equal to the length of the through hole 14 excluding the concave portion 13 of the T-shaped collar 10, and when the buckling portion 24 is buckled, the buckling portion 24 Is adapted to engage with the bottom surface of the recess 13 of the T-shaped collar 10. When the rivet body 20 is combined with the T-shaped collar 10, the intermediate portion 23 is positioned inside the through hole 14 of the T-shaped collar 10.

  The rivet body 20 is made of, for example, aluminum or an aluminum alloy. Alternatively, the rivet body 20 can be made of steel or the like.

  Next, the blind rivet mandrel 30 will be described. The mandrel 30 includes a head portion 31 at one end and an elongated shaft portion 32 extending from the head portion 31. The outer diameter of the head 31 is larger than the inner diameter of the through hole 26 of the rivet body 20. The outer diameter of the head 31 is smaller than the inner diameter of the mounting holes 43 and 44 of the mounted members 41 and 42 and can pass through the mounting holes 43 and 44. The shaft portion 32 is cylindrical, has an outer diameter smaller than the inner diameter of the through hole 26 of the rivet body 20, and can be inserted into the through hole 26. The length of the shaft portion 32 is longer than the length of the through hole 26 of the rivet body 20, and when the shaft portion 32 of the rivet body 20 is inserted into the through hole 26 of the rivet body 20, the tip of the shaft portion 32 is Project from the flange end.

The shaft portion 32 of the mandrel 30 includes a cylindrical portion 33, a breakable portion 34, a grip portion 35, and a tip portion 36 from the head 31 side. Adjacent to the head 31 is a columnar column 33.
Adjacent to the cylindrical part 33, there is a breakable part 34 having an outer diameter smaller than that of the cylindrical part 33. The breakable portion 34 is in a portion accommodated in the through hole 26 of the rivet body 20 in a state where the blind rivet is assembled. The breakable portion 34 is a portion that breaks when a certain pulling force is exceeded when the shaft portion 32 of the mandrel 30 is pulled out with a fastening tool.

  Adjacent to the breakable portion 34 is a grip portion 35 having a diameter larger than that of the breakable portion 34. The grip portion 35 is formed with a multistage locking groove so as not to slip when gripped by the gripping member of the fastening tool. The tip portion 36 of the shaft portion 32 is tapered, and the tip portion is tapered so that it can be easily inserted into the fastening tool. The material of the mandrel 30 is steel or the like.

  With reference to FIGS. 4-5, the operation | movement which fastens the to-be-attached members 41 and 42 with the blind rivet which consists of the T-shaped collar 10 of FIG. 2, and the rivet body 20 and the mandrel 30 of FIG. FIG. 4 is a front view, partly in section, showing a state before the T-shaped collar 10 of the fastener is inserted into the mounting holes 43 and 44 of the mounted members 41 and 42 and the blind rivet is inserted into the T-shaped collar 10. FIG. The left side of FIG. 4 is the blind side, and the work of attaching the blind rivet is performed from the right side. In FIG. 4, the inner diameter of the mounting hole 44 of the mounted member 42 is the same as the inner diameter of the mounting hole 43 of the mounted member 41. The inner diameters of the mounting hole 44 and the mounting hole 43 may be different or may be long holes.

  First, the mounted members 41 and 42 are overlapped so that the mounting holes 43 of the mounted member 41 and the mounting holes 44 of the mounted member 42 are aligned. The T-shaped collar 10 is inserted into the mounting holes 43 and 44 of the mounted members 41 and 42 from the left side of FIG. The flange 11 of the T-shaped collar 10 abuts around the mounting hole 44 of the mounted member 42.

  The blind rivet of FIG. 3 is a combination of a mandrel 30 inserted into a through hole 26 of a rivet body 20 from an end on the sleeve 22 side with a shaft portion 32 at the head. The grip portion 35 of the mandrel 30 is gripped by the grip member of the mounting tool. As shown in FIG. 4, this blind rivet is inserted into the through-hole 14 of the T-shaped collar 10 from the right side of FIG. 4 with the head 31 of the mandrel 30 at the head, and the flange 21 of the rivet body 20 The mold collar 10 is brought into contact with the end of the sleeve 12.

  The outer diameter of the flange 21 of the rivet body 20 is larger than the inner diameters of the mounting holes 43 and 44 of the mounted members 41 and 42. With the flange 21 in contact with the end of the sleeve 12 of the T-shaped collar 10, the mounted members 41, 42 have a gap between the flange 11 of the T-shaped collar 10 and the flange 21 of the rivet body 20. You can move within the range.

FIG. 5 is a front view, partly in section, showing a state where the fastening of the blind rivet has been completed. To fasten the blind rivet, hold the flange 21 of the rivet body 20 with the nose piece (not shown) of the mounting tool and hold the grip portion 35 of the mandrel 30 with the gripping member (not shown) of the mounting tool. And pull it out. The head 31 of the mandrel 30 buckles the buckling portion 24 of the rivet body 20. The buckling portion 24 expands in the concave portion 13 of the T-shaped collar 10 and comes into contact with the bottom surface of the concave portion 13. Further, when the mandrel 30 is pulled out, the mandrel 30 is broken at the breakable part 34, and the side of the head 31 from the breakable part 34 remains in the fastened part, and the fastening is completed. The T-shaped collar 10 is firmly fixed between the buckling portion 24 of the rivet body 20 and the flange 21.
In this way, the blind rivet can be fastened from one side of the attached members 41 and 42.

  The length of the cylindrical portion 12 of the T-shaped collar 10 is longer than the total thickness of the attached member 41 and the attached member 42. Since the flange 21 of the rivet body 20 comes into contact with the cylindrical portion 12 of the T-shaped collar 10 and stops, the mounted members 41 and 42 are interposed between the flange 11 of the T-shaped collar 10 and the flange 21 of the rivet body 20. Is sandwiched. There are gaps between the flange 11 of the T-shaped collar 10 and the mounted member 42 and between the flange 21 of the rivet body 20 and the mounted member 41. There is a gap between the inner periphery of the mounting hole 43 of the mounted member 41 and the outer periphery of the cylindrical portion 12 of the T-shaped collar 10, and the inner periphery of the mounting hole 44 of the mounted member 42 and the cylindrical portion of the T-shaped collar 10. There is a gap between the 12 outer perimeters. Therefore, the mounted members 41 and 42 can slide or rotate within the gap.

FIG. 6 shows a modification of the first embodiment. In FIG. 6, the same reference numbers as those in FIG. 5 are shown with dashes for the T-shaped collar and the blind rivet. In the first embodiment, the concave portion 13 is formed in the T-shaped collar 10 so that the buckling portion 24 enters the concave portion 13. In the modification of the first embodiment, the concave portion is not formed in the T-shaped collar 10 ', and the buckled buckled portion 24' is in contact with the flange side end surface of the T-shaped collar 10 '. In this case, the length of the sleeve 22 ′ of the rivet body 20 ′ is longer than the length of the sleeve 22 of the rivet body 20 shown in FIG.
The T-shaped collar 10 ′ is firmly fixed between the buckling portion 24 ′ of the rivet body 20 ′ and the flange 21 ′.

  In the first embodiment, the blind rivet having the large-diameter flange 21 and buckling and fastening the buckling portion 24 of the rivet body 20 has been described. The blind rivet that can be used in the present invention is not limited to the blind rivet described in the first embodiment. Any general blind rivet that can be fastened from one side of the mounted member can be used in the present invention.

  According to the first embodiment, the mounted members 41 and 42 are attached to the T-shaped member by a simple operation of fastening the blind rivet using the T-shaped collar 10, the rivet body 20 and the mandrel 30. It can be securely fixed between the flange 11 of the collar 10 and the flange 21 of the rivet body 20 so as to be movable.

Next, a fastener according to a second embodiment of the present invention will be described with reference to FIGS. In the second embodiment, the same T-shaped collar 10 of FIG. 2 as in the first embodiment is used, and a blind nut 60 is used in place of the blind rivet of the first embodiment.
FIG. 7 shows a state before the T-shaped collar 10 of the fastener according to the second embodiment is inserted into the mounting holes 43 and 44 of the mounted members 41 and 42 and the blind nut 60 is inserted into the T-shaped collar 10. It is sectional drawing.

  A blind nut 60 used in the second embodiment will be described. The blind nut 60 is axisymmetric about the central axis and includes a large-diameter flange 61 and a cylindrical sleeve 62 extending from the flange 61. The flange 61 has a large diameter, and the outer diameter of the flange 61 is larger than the inner diameters of the mounting holes 42 and 44 of the mounted members 41 and 43. The sleeve 62 has an intermediate portion 63 and a tip portion 65 from the flange 61 side. A through hole 66 penetrating from the flange 61 to the distal end portion 65 is formed.

The intermediate part 63 has a cylindrical shape. When the blind nut 60 is combined with the T-shaped collar 10, the intermediate portion 63 is located inside the through hole 14 of the T-shaped collar 10.
The distal end side of the intermediate portion 63 is a buckling portion 64 that buckles and expands when the blind nut 60 is fastened, and the buckling portion 64 is engaged with the bottom surface of the recess 13 of the T-shaped collar 10. It has become. In FIG. 7, the thickness of the buckling portion is the same as that of the intermediate portion 63, but a thin buckling portion may be formed on the distal end side of the intermediate portion 63 so that the buckling portion can be easily buckled. it can.

  Following the intermediate portion 63, the end portion of the blind nut 60 is a tip portion 65. The tip portion 65 is cylindrical and has the same outer diameter as the intermediate portion 63, but has an inner diameter smaller than that of the intermediate portion 63 and thicker than that of the intermediate portion 63. A female screw 67 is formed on the inner periphery of the tip portion 65 so that the male screw of the fastening tool can be engaged. The tip 65 does not buckle when the blind nut 60 is fastened.

The outer diameter of the sleeve 62 of the blind nut 60 is slightly smaller than the inner diameter of the through hole 14 of the T-shaped collar 10 and can be inserted into the through hole 14 of the T-shaped collar 10.
The blind nut 60 is formed with a through hole 66 that penetrates the flange 61 and the sleeve 62. The length of the through hole 66 inside the intermediate portion 63 is almost equal to the length of the through hole 14 excluding the concave portion 13 of the T-shaped collar 10, and when the buckled portion is buckled, the buckled portion 64 is It is adapted to engage with the bottom surface of the recess 13 of the T-shaped collar 10. When the blind nut 60 is combined with the T-shaped collar 10, the intermediate portion 63 is located inside the through hole 14 of the T-shaped collar 10.

  The blind nut 60 is made of, for example, aluminum or an aluminum alloy. Alternatively, the blind nut 60 can be made of steel or the like.

FIG. 9 is a perspective view showing an entire example of a fastening tool 70 used in the second embodiment of the present invention. The fastening tool 70 uses compressed air as a drive source. Adjacent to the main body 71, a nose piece 72 for supporting a component to be fastened and a screw mandrel 73 having a male screw at the tip end portion are provided. By rotating a rotating body (not shown), the screw mandrel 73 at the tip is rotated in the forward / reverse direction so that it can be engaged with or released from the internal thread. Further, the screw mandrel 73 can be pulled in strongly without rotating.
In 2nd Embodiment, if it is a tool which can fasten a fastener by the operation | work from the one side of a to-be-attached member other than the fastening tool 70 shown in FIG. 9, it can be used.

FIG. 8 is a cross-sectional view showing a state where the fastening of the blind nut 60 is completed. In order to fasten the blind nut 60, the screw mandrel 73 of the fastening tool 70 shown in FIG. 9 is inserted into the through hole 66 of the blind nut 60, and the screw mandrel 73 is rotated in the forward direction, so that the internal thread 67 on the inner periphery of the tip 65 is obtained. Engage with. Next, the screw mandrel 73 is pulled out without rotating while holding the flange 61 of the blind nut 60 with the nose piece 72 of the fastening tool 70. At this time, the buckling portion 64 adjacent to the distal end portion 65 of the intermediate portion 63 of the blind nut 60 buckles. The portion of the sleeve 22 that protrudes from the through hole 14 of the T-shaped flange 10 toward the concave portion 13 is a buckled portion 64 whose outer periphery is not constrained by the through hole 14. Since the buckling portion 64 is thinner than the tip portion 65, it buckles. The buckling portion 64 contacts the bottom surface of the recess 13 of the T-shaped collar 10. Further, the male screw of the screw mandrel 73 is reversely rotated to release the engagement with the female screw 67 of the tip 65 of the blind nut 60, and the fastening is completed. The T-shaped collar 10 is firmly fixed between the buckling portion 64 of the blind nut 60 and the flange 61.
In this way, the blind nut 60 can be fastened from one side of the attached members 41 and 42.

  Since the flange 61 of the blind nut 60 comes into contact with the cylindrical portion 12 of the T-shaped collar 10 and stops, the mounted members 41 and 42 are interposed between the flange 11 of the T-shaped collar 10 and the flange 61 of the blind nut 60. Is sandwiched. There are gaps between the flange 11 of the T-shaped collar 10 and the mounted member 42 and between the flange 61 of the blind nut 60 and the mounted member 41. There is a gap between the inner periphery of the mounting hole 43 of the mounted member 41 and the outer periphery of the cylindrical portion 12 of the T-shaped collar 10, and the inner periphery of the mounting hole 44 of the mounted member 42 and the cylindrical portion of the T-shaped collar 10. There is a gap between the 12 outer perimeters. Therefore, the mounted members 41 and 42 can slide or rotate within the gap.

  Also in the second embodiment, similarly to the modification of the first embodiment shown in FIG. 6, a T-shaped collar 10 ′ having no recess is used, and the flange-side end surface of the T-shaped collar 10 ′ is used. The buckling portion 64 of the blind nut 60 can also be brought into contact.

  According to the second embodiment, the two members of the T-shaped collar 10 and the blind nut 60 are used, and the mounted members 41 and 42 are attached to the T-shaped collar 10 by a simple operation of fastening the blind nut 60. Between the flange 11 and the flange 61 of the blind nut 60, it can be securely fixed so as to be movable.

10 T color
11 Flange
12 Cylindrical part
13 recess
14 Through hole
20 Rivet body
21 Flange
22 sleeve
23 Middle part
24 Buckling
25 Tip
26 Through hole
30 Mandrels
31 head
32 Shaft
33 Cylinder
34 Breakable part
35 Grip part
36 Tip
41 Mounted member
42 Mounted member
43 Mounting hole
44 Mounting hole
50 Mounting pin
51 Flange
52 Shaft
53 Fixing pin hole
54 Washer
55 Washer
56 Fixing pin
60 Blind nut
61 Flange
62 sleeve
63 Middle part
64 Buckling
65 Tip
66 Through hole
67 Female thread
70 Fastening tool
71 Body
72 Nosepiece
73 Screw mandrel

Claims (6)

A fastener for fastening a plurality of attached members having attachment holes to be movable,
A T-shaped collar having a hollow cylindrical portion, a flange formed at one end of the cylindrical portion, and a through-hole penetrating from an end on the cylindrical portion side to an end on the flange side;
A blind rivet, wherein the blind rivet comprises:
A rivet body having a hollow sleeve, a flange formed at one end of the sleeve, and a through-hole penetrating from the sleeve side end to the flange side end;
A mandrel having an elongated shaft portion partially disposed in the through hole of the sleeve, and a head portion having an outer diameter larger than an inner diameter of the through hole of the rivet body, disposed at a sleeve side end portion of the rivet body; Including,
Insert the T-shaped collar into the mounting hole of the mounted member from the cylindrical portion side,
The blind rivet is inserted into the through hole of the T-shaped collar from the cylindrical portion side of the T-shaped collar with the head of the mandrel at the head, and the flange of the rivet body is the T-shaped Arranged at the end of the collar on the cylindrical side,
When the flange of the rivet body is supported and the shaft portion of the mandrel is pulled out from the flange side of the rivet body, a part of the sleeve is pushed by the head to expand the diameter, and the rivet The T-shaped collar is fixed between the buckled portion of the body whose diameter is increased and the flange of the rivet body, and the shaft portion of the mandrel is broken and pulled out at the break portion,
The plurality of attached members are supported movably between the flange of the T-shaped collar and the flange of the rivet body around the cylindrical portion of the T-shaped collar. Fasteners. A fastener for fastening a plurality of attached members having attachment holes to be movable,
A T-shaped collar having a hollow cylindrical portion, a flange formed at one end of the cylindrical portion, and a through-hole penetrating from an end on the cylindrical portion side to an end on the flange side;
A blind rivet, wherein the blind rivet comprises:
A hollow sleeve, a flange formed at one end of the sleeve, and a through-hole penetrating from the sleeve side end to the flange side end, and the diameter of the sleeve is expanded by a fastening operation of the blind rivet A rivet body formed with a buckled part,
Breaking at the breaking portion by the fastening operation, the shaft portion remaining in the through hole of the rivet body, and the sleeve side end portion of the rivet body, having an outer diameter larger than the inner diameter of the through hole of the rivet body. A mandrel having a head,
The flange of the rivet body is disposed at an end portion of the T-shaped collar on the cylindrical portion side, and the T-shape is interposed between the buckled portion of the rivet body whose diameter is increased and the flange of the rivet body. The color is fixed,
The plurality of attached members are supported movably between the flange of the T-shaped collar and the flange of the rivet body around the cylindrical portion of the T-shaped collar. Fasteners. A fastener for fastening a plurality of attached members having attachment holes to be movable,
A T-shaped collar having a hollow cylindrical portion, a flange formed at one end of the cylindrical portion, and a through-hole penetrating from an end on the cylindrical portion side to an end on the flange side;
A hollow sleeve, a flange formed at one end of the sleeve, and a through-hole penetrating from the sleeve side end to the flange side end, and the diameter of the sleeve is increased by fastening operation of the blind nut And a blind nut formed with a buckled portion,
The flange of the blind nut is disposed at an end portion of the T-shaped collar on the cylindrical portion side, and the T-shape is interposed between the buckled portion of the blind nut whose diameter is increased and the flange of the blind nut. The color is fixed,
The plurality of attached members are supported movably between the flange of the T-shaped collar and the flange of the rivet body around the cylindrical portion of the T-shaped collar. Fasteners. The fastener according to any one of claims 1 to 3,
The length of the cylindrical portion of the T-shaped collar is a fastener that is longer than the total thickness of the plurality of attached members. The fastener according to any one of claims 1 to 3,
The outer diameter of the flange of the T-shaped collar and the outer diameter of the flange of the rivet body are larger than the inner diameter of the mounting hole of any of the mounted members. The fastener according to any one of claims 1 to 3,
A fastener having a concave portion having an inner diameter larger than that of the through hole on the flange side of the T-shaped collar, and the buckling portion being formed in the concave portion.

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