JP2015227710A - Connection member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection member that facilitates connection work and can reduce a manufacturing cost.SOLUTION: A connection member (10) comprises a first insertion part (20) and a second insertion part (30), which are separated from each other. The first insertion part includes a first fastener portion (22) and a second fastener portion (23), which extend in different directions from each other. The second insertion part includes a third fastener portion (32) and a fourth fastener portion (33), which extend in different directions from each other. The first fastener portion and the second fastener portion have at least one dimension different from each other among dimensions (L1) (L2) in an insertion direction of an inserting portion (41) (51) and outer dimensions (R1) (R2) of locking portions (42) (52). The third fastener portion and the fourth fastener portion have at least one dimension different from each other among dimensions (L3) (L4) in an insertion direction of an inserting portion (61) (71) and outer dimensions (R3) (R4) of locking portions (62) (72).

Description

  The present invention relates to a connecting member that connects two members.

  Conventionally, a connecting member that connects the separated first member and second member is known. Patent Document 1 discloses a connecting member having a first insertion portion and a second insertion portion that are separated from each other, and a connection portion that connects the first and second insertion portions, and the first and second insertion portions. Are provided with one fastener portion having the same shape and the same size, each having an insertion portion protruding from the base end portion and an elastically deformable locking portion located at the distal end of the insertion portion. The first and second insertion portions are respectively inserted into locking holes formed in the first and second members and locked by the base end portion and the locking portion, and connect the first and second members. Can do.

JP 2013-122063 A

  In the conventional connecting member, the first and second members can be connected only by inserting the fastener portion into the locking hole, so that the mounting operation is easy. However, the fastener portions of the first and second insertion portions are There is a problem of lack of versatility because it is the same shape and the same size. In order to connect various members, it is necessary to manufacture a connecting member having a fastener portion that matches the diameter of the locking hole of each member and the depth of the locking hole, which increases manufacturing costs.

  In a connecting member in which a connecting hole is formed at both ends of the connecting part instead of the fastener part, the connecting hole and the locking hole of the member are fastened using bolts and nuts, so that they correspond to various members. Can do. However, such a connecting member requires additional parts such as bolts and nuts, which increases the number of parts and the number of assembly steps, resulting in an increase in manufacturing cost.

  In view of the above circumstances, an object of the present invention is to provide a connecting member that can be easily attached and can reduce manufacturing costs.

  In order to achieve the above object, the present invention is directed to a first insertion portion and a second insertion portion that are separated from each other, and a connection portion that connects the first and second insertion portions, The first insertion portion is inserted into a first locking hole formed in one member, the second insertion portion is inserted into a second locking hole formed in the second member, and the first member and the first It is a connection member which connects two members.

  The present invention provides the connection member, wherein the first insertion portion includes a first fastener portion and a second fastener portion that protrude from the connection portion and extend in different directions in a linearly extending insertion direction. The two insertion portions include a third fastener portion and a fourth fastener portion that protrude from the connecting portion and extend in different directions in a linearly extending direction, and include the first fastener portion, the second fastener portion, The third fastener portion and the fourth fastener portion each have an insertion portion that extends in the insertion direction from a base end portion that is continuous with the connection portion, and a locking portion that is positioned at the distal end of the insertion portion and can be elastically deformed. The first fastener portion and the second fastener portion are different from each other in at least one of a dimension in the insertion direction of the insertion part and an outer diameter dimension of the locking part, and the third fastener part. The Na portion and the fourth fastener portion, of the dimension and outer diameter of the locking portion in the insertion direction of the insertion portion, and at least one of the dimensions are different from each other.

  In one preferred embodiment of the present invention, the first fastener portion and the second fastener portion have different dimensions in the insertion direction of the insertion portion, and the third fastener portion and the fourth fastener portion. Are different in dimension in the insertion direction of the insertion portion.

  In one preferred embodiment of the present invention, the insertion portions of the first and third fastener portions in the insertion direction are equal in size, and the insertion portions of the second and fourth fastener portions in the insertion direction are the same. Are equal.

  In one preferred embodiment of the present invention, the connecting member is made of a synthetic resin.

  In one preferred embodiment of the present invention, the connecting portion is formed in a U shape.

  In one preferred embodiment of the present invention, the connecting part is formed in a straight line.

  In one preferred embodiment of the present invention, the connecting portion is formed in a coil shape.

  In the connecting member according to the present invention, the first insertion portion includes a first fastener portion and a second fastener portion extending in different directions in the insertion direction, and the second insertion portion is in the insertion direction and in different directions. The first fastener part, the second fastener part, the third fastener part, and the fourth fastener part from the base end part that is connected to the connecting part to the insertion direction. And an elastically deformable locking portion located at the distal end of the insertion portion, respectively, so that the first and the second members can be inserted into the locking holes by simply inserting the fastener portions. 1 and the 2nd member can be connected and attachment work is easy. The first fastener portion and the second fastener portion may be different from each other in at least one of a dimension in the insertion direction of the insertion part and an outer diameter dimension of the locking part, and the third fastener part. And the fourth fastener part are different from each other in at least one of the dimension in the insertion direction of the insertion part and the outer diameter dimension of the locking part, so the combination of the first to fourth fastener parts Thus, it is possible to correspond to various members having different hole diameters and different depths of the locking holes, thereby enhancing versatility and reducing manufacturing costs.

The perspective view which shows the connection member which is 1st Embodiment of this invention. The side view of the connection member shown in FIG. The enlarged view of the III site | part of FIG. The perspective view which shows the use condition of a connection member. The enlarged view of the V site | part of FIG. The perspective view which shows the use condition of a connection member. The figure similar to FIG. 5 which shows the other use condition of a connection member. The figure similar to FIG. 3 which shows the modification of a 1st-4th fastener part. (A) The perspective view which shows the 1st modification of a connection member. (B) The perspective view which shows the 2nd modification of a connection member. The side view which shows the connection member which is 2nd Embodiment of this invention. The side view which shows the connection member which is 3rd Embodiment of this invention.

  Below, the embodiment of the connecting member concerning the present invention is described in detail. The present invention is not limited to this embodiment.

<First Embodiment>
1 and 2 are a perspective view and a side view of a connecting member 10 according to the first embodiment of the present invention. The connecting member 10 in the illustrated example has an X direction, a Y direction, and a Z direction orthogonal to each other, and is separated from each other, a first end portion 11 and a second end portion 12, and a first end portion 11 and a second end portion 12. And a connecting portion 13 that connects the two. The first end portion 11 is formed with a first insertion portion 20 that engages with one of the two separated members 91 and 92 (see FIG. 4), and the second end portion 12 has the other end. A second insertion portion 30 is formed to be engaged with the member 92. The first and second end portions 11 and 12 and the connecting portion 13 are made of synthetic resin and are integrally formed.

  The first insertion portion 20 includes a proximal end portion 21, a first fastener portion 22, and a second fastener portion 23. The base end portion 21 is a connection portion with the connecting portion 13 and is formed in a flat plate shape that is continuous with the connecting portion 13 and extends in the X direction and the Y direction. In the present embodiment, the base end portion 21 is formed in a circular flat plate shape, but may be another shape such as a polygonal shape or an elliptical shape. The first fastener portion 22 protrudes from one surface 21 a of the base end portion 21, and the second fastener portion 23 protrudes from the other surface 21 b of the base end portion 21.

  The first fastener portion 22 is a columnar first insertion portion 41 that protrudes from one surface 21 a of the base end portion 21 so as to extend in the Z direction (insertion direction), and a first that is located at the distal end of the first insertion portion 41. And a locking portion 42. In the present embodiment, the first insertion portion 41 is formed in a columnar shape, but may be formed in a prismatic shape having a polygonal cross section. A groove 43 is formed at the distal end portion of the first insertion portion 41 so as to pass through the central axis P of the first insertion portion 41, and the distal end portion is divided into a plurality of portions. Each of the separated tip portions is formed with a first locking piece 44 that protrudes outward in the radial direction of the first insertion portion 41 (that is, the direction perpendicular to the Z direction). A first locking portion 42 that is elastically deformable is formed by the assembly of 44. In the present embodiment, the groove 43 extends in the X direction and separates the tip portion of the first insertion portion 41 into two in the Y direction, and the tip portion is configured to be elastically deformable. It suffices if the locking portion 42 can be elastically deformed. Each first locking piece 44 is formed in a tapered shape so as to become thinner toward the tip.

  The second fastener portion 23 has a second insertion portion 51 that protrudes from the other surface 21b of the base end portion 21 so as to extend in the Z direction (insertion direction), and a second locking member that is positioned at the distal end of the second insertion portion 51. Part 52. In the present embodiment, the second insertion portion 51 includes a pair of insertion pieces 51a and 51b separated in the Y direction, and the distal end portion of each insertion piece 51a and 51b has a radial direction of the second insertion portion 51 (i.e., A second locking piece 54 protruding outward (in a direction perpendicular to the Z direction) is formed, and an aggregate of the second locking pieces 54 forms a second locking portion 52 that can be elastically deformed. Each second locking piece 54 is formed in a tapered shape so as to become thinner toward the tip. In addition, the 2nd insertion part 51 may be formed in the column shape similarly to the 1st insertion part 41, and may be formed in the prism shape where a cross section forms a polygon. Further, like the first insertion portion 41, a columnar shape having a groove formed at the tip portion may be used.

  Referring to FIG. 3, the dimension of the first insertion portion 41 in the Z direction (that is, the distance from one surface 21 a of the base end portion 21 to the first locking portion 42) L <b> 1 and the Z direction of the second insertion portion 51. (Ie, the distance from the other surface 21b of the base end portion 21 to the second locking portion 52) L2, and the dimension L1 of the first insertion portion 41 is the dimension of the second insertion portion 51. Greater than L2. Further, the outer diameter dimension of the first locking part 42 (that is, the maximum outer diameter dimension in the XY plane of the first locking part 42 in a state where the first locking part 42 is not elastically deformed) R1 is the second engagement. The outer diameter size of the stop portion 52 (that is, the maximum outer diameter size in the XY plane of the second locking portion 52 in a state where the second locking portion 52 is not elastically deformed) R2 is substantially equal.

  The second insertion portion 30 includes a proximal end portion 31, a third fastener portion 32, and a fourth fastener portion 33. The base end portion 31 is a connection portion with the connecting portion 13 and is formed in a flat plate shape that extends in the X direction and the Y direction in connection with the connecting portion 13. In the present embodiment, the base end portion 31 is formed in a circular flat plate shape, but may be another shape such as a polygonal shape or an elliptical shape. The third fastener portion 32 protrudes from one surface 31 a of the base end portion 31, and the fourth fastener portion 33 protrudes from the other surface 31 b of the base end portion 31.

  The third fastener portion 32 is a columnar third insertion portion 61 that protrudes from one surface 31 a of the base end portion 31 so as to extend in the Z direction (insertion direction), and a third portion that is located at the distal end of the third insertion portion 61. And a locking portion 62. In the present embodiment, the third insertion portion 61 is formed in a columnar shape, but may be formed in a prismatic shape having a polygonal cross section. A groove 63 is formed at the distal end portion of the third insertion portion 61 so as to pass through the central axis P of the third insertion portion 61, and the distal end portion is divided into a plurality of portions. Each of the separated tip portions is formed with a third locking piece 64 protruding outward in the radial direction of the third insertion portion 61 (that is, the direction orthogonal to the Z direction). A third locking portion 62 that is elastically deformable is formed by the assembly of 64. In the present embodiment, the groove 63 extends in the X direction and divides the tip portion of the third insertion portion 61 into two in the Y direction, and the tip portion is configured to be elastically deformable. It suffices if the locking portion 62 can be elastically deformed. Each third locking piece 64 is formed in a tapered shape so as to become thinner toward the tip.

  The 4th fastener part 33 protrudes from the other surface 31b of the base end part 31 so that it may extend in a Z direction (insertion direction), and the 4th latching located in the front-end | tip of the 4th insertion part 71 Part 72. In the present embodiment, the fourth insertion portion 71 includes a pair of insertion pieces 71a and 71b separated in the Y direction, and the distal end portion of each insertion piece 71a and 71b has a radial direction of the fourth insertion portion 71 (i.e., A fourth locking piece 74 protruding outward (in a direction perpendicular to the Z direction) is formed, and an assembly of the fourth locking pieces 74 forms a fourth locking portion 72 that can be elastically deformed. Each fourth locking piece 74 is formed in a tapered shape so as to become thinner toward the tip. In addition, the 4th insertion part 71 may be formed in the column shape similarly to the 3rd insertion part 61, and may be formed in the prism shape where a cross section forms a polygon. Further, similarly to the third insertion portion 61, a columnar shape in which a groove is formed at the tip portion may be used.

  Referring to FIG. 3, the dimension of the third insertion portion 61 in the Z direction (that is, the distance from one surface 31 a of the base end portion 31 to the third locking portion 62) L3 and the Z direction of the fourth insertion portion 71. (Ie, the distance from the other surface 31b of the base end portion 31 to the fourth locking portion 72) L4 is different from each other, and the size L3 of the third insertion portion 61 is the size of the fourth insertion portion 71. Larger than L4. Further, the outer diameter dimension of the third locking part 62 (that is, the maximum outer diameter dimension in the XY plane of the third locking part 62 in a state where the third locking part 62 is not elastically deformed) R3 is the fourth ratio. The outer diameter dimension of the stop portion 72 (that is, the maximum outer diameter dimension of the fourth locking portion 72 in the XY plane in a state where the fourth locking portion 72 is not elastically deformed) R4.

  In the present embodiment, the dimension L1 of the first insertion part 41 in the Z direction and the dimension L3 of the third insertion part 61 in the Z direction are substantially the same, the dimension L2 of the second insertion part 51 in the Z direction, The dimension L4 in the Z direction of the four insertion portions 71 is substantially the same. Further, the outer diameters R1, R2, R3, R4 of the first to fourth locking portions 42, 52, 62, 72 are substantially equal. In the present embodiment, the central axis P of the first to fourth fastener portions 22, 23, 32, 33 extends in the Z direction and is located on the same straight line as shown by phantom lines in FIGS. Yes.

  The connecting portion 13 is formed in an elongated shape from the first end portion 11 toward the second end portion 12, and has a first surface 13a and a second surface 13b opposite to the first surface 13a. In the present embodiment, the connecting portion 13 is formed in a U shape so that the first surface 13a forms the inner surface and the second surface 13b forms the outer surface. The first surface 13a is formed flush with one surface 21a of the base end portion 21 of the first insertion portion 20 and the other surface 31b of the base end portion 31 of the second insertion portion 30, and the second surface 13b is The first insertion portion 20 is formed flush with the other surface 21 b of the proximal end portion 21 and the first surface 31 a of the proximal end portion 31 of the second insertion portion 30.

  FIG. 4 is a perspective view showing a usage state of the connecting member 10, and FIG. 5 is an enlarged view of a V portion in FIG. 4. The first insertion portion 20 and the second insertion portion 30 of the connecting member 10 are respectively inserted into a first locking hole 93 formed in the first member 91 and a second locking hole 94 formed in the second member 92. The first member 91 and the second member 92 are connected by being inserted.

  The first member 91 has a thickness dimension d1 at the connecting portion 91a where the first locking hole 93 is formed, and the second member 92 is at the connecting portion 92a where the second locking hole 94 is formed. It has a thickness dimension d2, the dimensions d1 and d2 are substantially equal, and the first locking hole 93 and the second locking hole 94 are formed to have substantially the same diameter. In the connecting member 10, the dimensions L1 and L3 of the first and third insertion portions 41 and 61 are slightly larger than the thickness dimensions d1 and d2 of the first and second members 91 and 92, and the second and fourth insertions are made. The dimensions L2 and L4 of the portions 51 and 71 are smaller than the thickness dimensions d1 and d2. The outer diameters R1, R2, R3, R4 of the first to fourth locking portions 42, 52, 62, 72 are larger than the hole diameters of the first and second locking holes 93, 94, and The outer diameter dimension of the 4 insertion parts 41, 51, 61, 71 is smaller than the hole diameters of the first and second locking holes 93, 94. In the connecting member 10 having such a configuration, one of the first and third fastener portions 22 and 32 is inserted into the first locking hole 93, and the first and third fasteners are inserted into the second locking hole 94. The other of the parts 22 and 32 is inserted, whereby the first member 91 and the second member 92 are connected.

  Referring to FIG. 6, the connecting member 10 is formed of synthetic resin, and the connecting portion 13 is lower in rigidity than those formed of metal or the like and easily deforms. Therefore, the first and second members 91 and 92 are In the connected state, the movable range of the other member can be widened with respect to one member. Moreover, since the connection part 13 in this embodiment is U-shaped, as shown in FIG.5 and FIG.6, the 1st and 2nd member 91 which consists of a housing | casing and the cover body which closes the opening of this housing | casing is shown. , 92, the amount of deformation of the connecting portion 13 is smaller than that in which the connecting portion 13 is formed in a straight line in a state where the opening of the housing is closed, and it is difficult to deteriorate. it can.

  FIG. 7 is a view similar to FIG. 5 showing another use state of the connecting member. The first member 95 in FIG. 7 has a thickness dimension d3 at a connecting portion 95a where a first locking hole (not shown) is formed, and the second member 96 has a second locking hole (not shown). ) Is formed, and has a thickness dimension d4, the dimensions d3 and d4 are substantially equal and smaller than the dimensions d1 and d2, and the first locking hole of the first member 95 is formed. And the second locking hole of the second member 96 are formed to have substantially the same diameter. In the connecting member 10, the dimensions L2, L4 of the second and fourth insertion portions 51, 71 are slightly larger than the thickness dimensions d3, d4 of the first and second members 95, 96. Further, the outer diameters R1, R2, R3, R4 of the first to fourth locking portions 42, 52, 62, 72 are larger than the diameters of the first and second locking holes, and the first to fourth insertion portions. The outer diameter of 41, 51, 61, 71 is smaller than the diameters of the first and second locking holes of the first and second members 95, 96. In the connecting member 10 having such a configuration, one of the second and fourth fastener portions 23 and 33 is inserted into the first locking hole, and the second and fourth fastener portions 23 are inserted into the second locking hole. , 33 are inserted, whereby the first member 95 and the second member 96 are connected.

  In the first embodiment, the outer diameter dimensions R1 to R4 of the respective locking portions are formed to be substantially equal, the dimensions L1 and L3 of the first and third insertion portions, and the dimensions L2 and L2 of the second and fourth insertion portions. L4 and L4 are equally formed, but at least the dimensions L1 and L2 in the insertion direction (Z direction) of each insertion portion 41 and 51 or each locking in the first fastener portion 22 and the second fastener portion 23. The outer diameter dimensions R1 and R2 of the parts 42 and 52 are different from each other, and at least the dimension L3 in the insertion direction (Z direction) of the insertion parts 61 and 71 in the third fastener part 32 and the fourth fastener part 33. It is only necessary that the outer diameters R3 and R4 of L4 or the locking portions 62 and 72 are different from each other. For example, in the modification shown in FIG. 8, the correlation between the dimensions of the insertion portion is L2 <L4 <L1 <L3, and the correlation between the outer diameters of the respective locking portions is R3 <R2 <R4 <. R1. As described above, the dimensions L1, L2, L3, and L4 of the insertion portions may be different from each other, and the outer diameter dimensions R1, R2, R3, and R4 of the locking portions may be different from each other. In addition, the outer diameter dimension of each insertion part 41,51,61,71 can be suitably changed according to the hole diameter of the locking hole formed in the 1st and 2nd member, and is larger than the hole diameter of a locking hole. Slightly smaller is preferred. Thus, the hole diameters of the first member and the second member for connecting the dimensions L1 to L4 of each insertion portion and the outer diameters R1 to R4 of the respective locking portions and the locking holes are formed. It can function as a connecting member for a plurality of types of members by appropriately changing in accordance with the thickness dimension of the part to be connected.

<First Modification>
Next, a connection member in another modification of the first embodiment will be described. Fig.9 (a) is a perspective view which shows the connection member 100 in a 1st modification. In the connecting member 100 in the first modification, grooves 46 and 66 that pass through the central axis P and extend in the Y direction are formed at the tip portions of the first and third insertion portions 41 and 61, and the first and third locking portions Each of the portions 42 and 62 is separated into two in the X direction. The 2nd and 4th penetration parts 51 and 71 consist of a pair of penetration piece 51a, 51b, 71a, 71b isolate | separated to the X direction, respectively. A second locking piece 54 protruding outward in the radial direction of the second insertion portion 51 is formed at the distal end portion of the second insertion pieces 51a, 51b, and the fourth insertion piece 71a, 71b has a fourth engagement portion 54 at the distal end portion. A fourth locking piece 74 protruding outward in the radial direction of the insertion portion 71 is formed.

<Second Modification>
FIG. 9B is a perspective view showing the connecting member 101 in the second modified example. In the connecting member 101 in the second modified example, cross-shaped grooves 47 and 67 passing through the central axis P and extending in the X direction and the Y direction are formed at the tip portions of the first and third insertion portions 41 and 61, The 1st and 3rd latching | locking parts 42 and 62 are isolate | separated into four, respectively. The 2nd and 4th insertion parts 51 and 71 consist of four insertion pieces 51a, 51b, 51c, 51d, 71a, 71b, 71c, and 71d separated in the X direction and the Y direction, respectively. The second insertion pieces 51a, 51b, 51c, 51d are respectively formed with second locking pieces 54 protruding outward in the radial direction of the second insertion part 51 at the tip portions thereof, and the fourth insertion pieces 71a, 71b, 71c. , 71d are formed with fourth locking pieces 74 that protrude outward in the radial direction of the fourth insertion portion 71, respectively. In the connection member 101 having such a configuration, each locking portion is easily elastically deformed, and therefore it is easy to attach and detach the locking holes 93 and 94.

Second Embodiment
FIG. 10 is a side view showing the connecting member 102 in the second embodiment. In the connecting member 102 in the second embodiment, the connecting portion 81 is formed in a straight line, and more specifically, extends long in the Y direction. The connecting portion 81 has a first surface 81a and a second surface 81b opposite to the first surface 81a, and the first surface 81a includes one surface 21a of the proximal end portion 21 in the first insertion portion 20 and The second insertion portion 30 is formed flush with one surface 31 a of the proximal end portion 31, and the second surface 81 b is the other surface 21 b of the proximal end portion 21 of the first insertion portion 20 and the second insertion portion 30. It is formed flush with the other surface 31 b of the base end portion 31. The central axes P1 of the first and second fastener portions 22, 23 extend in the Z direction so as to be positioned on the same straight line, and the central axes P2 of the third and fourth fastener portions 32, 33 are the central axes P1. It extends in parallel. The connecting member 102 having such a configuration is easy to be integrally formed, and when the load due to bending deformation in the connecting portion 81 is smaller than that of the connecting portion 13 of the first embodiment, for example, the first member 91 and the second member 92 are used. This is particularly effective when connected in parallel in the Y direction.

<Third Embodiment>
FIG. 11 is a side view showing the connecting member 103 in the third embodiment. In the connecting member 103 according to the third embodiment, the connecting portion 82 is formed in a coil shape. In addition, although the connection part 82 shown in FIG. 11 is formed in U shape, a linear form may be sufficient. In the connecting member 103, the connecting portion 82 is easily deformed, and durability against bending deformation can be improved.

  In the modified example described above and in the second and third embodiments, the same reference numerals as those in the first embodiment indicate the same configuration, and the details thereof are omitted. In the embodiment and the modification described above, the connecting member is made of synthetic resin, but the material is not limited to synthetic resin, and any known material can be selected and used as long as each locking portion can be elastically deformed. it can. In the second and third embodiments, the insertion portions 20 and 30 can be appropriately used the insertion portions shown in the first and second modifications.

10, 100, 101, 102, 103 Connecting member 11 First end portion 12 Second end portion 13, 81, 82 Connecting portion 20 First insertion portion 22 First fastener portion 23 Second fastener portion 30 Second insertion portion 32 First 3 fastener part 33 4th fastener part 41 1st insertion part 42 1st locking part 51 2nd insertion part 52 2nd locking part 61 3rd insertion part 62 3rd locking part 71 4th insertion part 72 4th engagement Stop

Claims (7)

The first insertion portion includes a first insertion portion and a second insertion portion that are separated from each other, and a connection portion that connects the first and second insertion portions, and the first insertion portion is formed in a first locking hole formed in the first member. In the connecting member for connecting the first member and the second member by inserting the second insertion portion into the second locking hole formed in the second member,
The first insertion portion includes a first fastener portion and a second fastener portion that protrude from the connection portion and extend in different directions in a linearly extending insertion direction.
The second insertion portion includes a third fastener portion and a fourth fastener portion that protrude from the connection portion and extend in different directions in a linearly extending insertion direction,
The first fastener portion, the second fastener portion, the third fastener portion, and the fourth fastener portion are positioned at a distal end of the insertion portion, an insertion portion that extends in the insertion direction from a base end portion that is continuous with the connection portion. Each having an elastically deformable locking portion,
The first fastener part and the second fastener part are different from each other in at least one of a dimension in the insertion direction of the insertion part and an outer diameter dimension of the locking part,
The connecting member, wherein the third fastener part and the fourth fastener part are different from each other in at least one of a dimension in the insertion direction of the insertion part and an outer diameter dimension of the locking part. .   The first fastener part and the second fastener part have different dimensions in the insertion direction of the insertion part, and the third fastener part and the fourth fastener part have dimensions in the insertion direction of the insertion part. The connecting member according to claim 1, which are different from each other.   The connection according to claim 1 or 2, wherein dimensions of the insertion portions of the first and third fastener portions are equal in the insertion direction, and dimensions of the insertion portions of the second and fourth fastener portions are equal in the insertion direction. Element.   The connection member according to claim 1, wherein the connection member is formed of a synthetic resin.   The connecting member according to claim 1, wherein the connecting portion is formed in a U shape.   The said connection part is a connection member in any one of Claims 1-4 formed in linear form.   The connecting member according to claim 1, wherein the connecting portion is formed in a coil shape.