Clamp tool

Abstract

To provide a clamp tool capable of being easily fitted and locked into both a rectangular mounting hole and an elongated mounting hole, and suppressing movement after locking.SOLUTION: A clamp tool comprises a clamp base part and a mounting part. The mounting part has a support part and an engagement part. The support part has an inner peripheral surface facing part 70 and a cantilever support part. The inner surface facing part 70 has one uneven distribution part 92 and one arrangement part 96. A location of the one arrangement part 96 closest to the one uneven distribution part 92 is closer to one end side of the one uneven distribution part 92 than the center of the one uneven distribution part 92. A distance from a one-side end midpoint 114 to a one-side farthest point 116 is equal to or less than a distance between the one-side end midpoint 114 and a one-side one end 110 and a one-side other end 112.SELECTED DRAWING: Figure 3

Description

Technical Field

[0001] The present invention relates to a clamp tool.

Background Art

[0002] Patent Document 1 discloses a clamp tool. This clamp tool has a terminal body and a clamp portion integrally provided below it. The terminal body consists of an upper circular wall, a lower circular wall, and a pair of support columns that connect and integrate the upper circular wall and the lower circular wall. A portion surrounded by these upper and lower circular walls and the pair of support columns is formed as a single insertion hole. The clamp portion is composed of a skirt portion continuously formed below the lower circular wall, a support portion protruding downward from this, and a pair of engaging portions cantilever-supported by the support portion. The skirt portion has an outer peripheral side that is slightly curved downward and is formed in a circular shape that is larger in diameter than the upper and lower circular walls in plan view. The support portion has a substantially U-shaped front view shape that hangs down from the central portion of the skirt portion. The engaging portions stand upright in a cantilever manner from the front side and the rear side of the horizontal lying portion at the lower end thereof. Further, the lower end portion of the support portion is formed to taper. The upper end of the engaging portion is formed in a stepped shape in side view. Most of the engaging portion is cantilever-supported in the state described below. That state is a state where it protrudes forward from the front edge of the support portion and backward from the rear edge. That is, each engaging portion is elastically deformably supported in a state where it can swing back and forth with the connection portion to the support portion as a fulcrum. The clamp tool shown in Patent Document 1 can be fitted into and locked in a mounting hole formed in a fixing member.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, in the invention disclosed in Patent Document 1, depending on the shape of the mounting hole into which it is fitted and locked, there is a problem that the clamp according to the invention is likely to move within the mounting hole after the locking. Examples of the shape of the mounting hole in which movement is likely to occur after the locking include a rectangular shape and a long hole shape (a shape composed of a pair of straight sides extending along each other and a pair of arc-shaped sides that are respectively connected to the ends of the pair of sides and face each other). If the shape of the support portion is made to correspond to the shape of each of these holes in order to solve the above problem, a plurality of types of clamps having different shapes of the support portion will be required.

[0005] An object of the present invention is to provide a clamp that can be easily fitted and locked into both a rectangular mounting hole and a long hole-shaped mounting hole, and that can suppress movement after the locking.

Means for Solving the Problems

[0006] The present invention will be described with reference to the drawings. The reference numerals in the drawings are used in this section to assist in understanding the content of the invention. Using the reference numerals in the drawings in this section is not intended to limit the content of the invention to the illustrated scope.

[0007] To achieve the above-described object, according to an aspect of the present invention, the clamp 10 includes a clamp base 30 and a mounting portion 32. The mounting portion 32 is provided on the clamp base 30. The mounting portion 32 mounts the clamp base 30 to members 300 and 302 having mounting holes 310 and 312. The mounting portion 32 has a support portion 40 and engaging portions 42 and 42. The support portion 40 is inserted into the mounting holes 310 and 312. The engaging portions 42 and 42 are elastically deformably cantilever-supported on the support portion 40 so as to branch from the support portion 40. The engaging portions 42 and 42 engage with the edges of the mounting holes 310 and 312 when the support portion 40 is inserted into the mounting holes 310 and 312. The support portion 40 has an inner peripheral surface facing portion 70 and a cantilever support portion 72. The inner peripheral surface facing portion 70 is disposed at a position facing the inner peripheral surface of the mounting holes 310 and 312 when the engaging portions 42 and 42 engage with the edges of the mounting holes 310 and 312. The cantilever support portion 72 is disposed on the side opposite to the clamp base 30 as viewed from the position of the inner peripheral surface facing portion 70. The cantilever support portion 72 cantilever-supports the engaging portions 42 and 42. The cantilever support portion arrangement direction is the direction in which the cantilever support portion 72 is disposed as viewed from the position of the clamp base 30. The inner peripheral surface facing portion 70 has a one-sided uneven portion 92 and a one-sided arrangement portion 96. The one-sided uneven portion 92 is disposed at a position different from the center of the mounting holes 310 and 312 when the engaging portions 42 and 42 engage with the edges of the mounting holes 310 and 312. The one-sided uneven portion 92 extends in a predetermined direction orthogonal to the cantilever support portion arrangement direction. The one-sided arrangement portion 96 is disposed in a direction different from the above-described predetermined direction as viewed from the position of the one-sided uneven portion 92. The location of the one-sided arrangement portion 96 closest to the one-sided uneven portion 92 is on the one-end side of the one-sided uneven portion 92 rather than the center of the one-sided uneven portion 92. The distance from the one-sided end midpoint 114, which is the midpoint between the one-sided one end 110, which is the end on the one-sided arrangement portion 96 side of one end of the one-sided uneven portion 92, and the one-sided other end 112, which is the end on the one-sided arrangement portion 96 side of the other end of the one-sided uneven portion 92, to the farthest location 116 of the one-sided arrangement portion 96 is equal to or less than the distance between the one-sided end midpoint 114 and the one-sided one end 110 and the one-sided other end 112.

[0008] Among the engaging portions 42, 42 of the mounting portion 32 of the clamp 10 according to the present invention, the engaging portions 42, 42 engage with the edges of the mounting holes 310, 312. Thereby, the clamp base 30 and thus the clamp 10 according to the present invention can be attached to the mounting holes 310, 312 of the members 300, 302. On the other hand, the location of the placement portion 96 closest to the one-sided uneven portion 92 is on the one end side of the one-sided uneven portion 92 rather than the center of the one-sided uneven portion 92. The distance from the one-side end midpoint 114 to the farthest location 116 in the one placement portion 96 is equal to or less than the distances between the one-side end midpoint 114 and the one-side one end 110 and the one-side other end 112. Thereby, the possibility that the placement portion 96 contacts the section between the location in contact with one end of the one-sided uneven portion 92 and the location in contact with the other end in the mounting holes 310, 312 is suppressed. Since the possibility is suppressed, the situation where the movement of the support portion 40 entering the mounting holes 310, 312 is obstructed by the edges of the mounting holes 310, 312 is likely to be avoided. Since the situation is likely to be avoided, it becomes easy to fit and lock the clamp 10 according to the present invention into both the rectangular mounting hole 310 and the long hole-shaped mounting hole 312. The one-sided uneven portion 92 extends in a predetermined direction orthogonal to the cantilever support portion arrangement direction. The one placement portion 96 is arranged in a direction different from the above-described predetermined direction as viewed from the one-sided uneven portion 92. Thereby, in addition to the movement of the support portion 40 in the above-described predetermined direction, the movement of the support portion 40 in a direction different from the above-described predetermined direction is suppressed. Since the movement of the support portion 40 is suppressed in this way, the clamp 10 according to the present invention can suppress movement after being attached to the mounting holes 310, 312.

[0009] Further, it is desirable that the above-described one placement portion 96 has a one-plane forming portion 190 and a one-curved surface forming portion 192. The one-plane forming portion 190 forms a plane. The one-curved surface forming portion 192 is arranged at a position closer to the one-side one end 110 than the one-plane forming portion 190. The one-curved surface forming portion 192 forms a curved surface. The plane formed by the one-plane forming portion 190 is arranged on the outer peripheral side of the one placement portion 96 as viewed from the one-side end midpoint 114 when the inner peripheral surface facing portion 70 faces the inner peripheral surface of the mounting hole 312. The curved surface formed by the one-curved surface forming portion 192 approaches the one-sided uneven portion 92 as it moves away from the one-plane forming portion 190.

[0010] The curved surface formed by the one curved surface forming portion 192 faces the inner peripheral surface of the mounting hole 312. As the curved surface moves away from the one flat surface forming portion 190, it approaches the one uneven portion 92. When the inner peripheral surface facing portion 70 is disposed at a position facing the inner peripheral surface of the mounting hole 312, the curved surface is disposed closer to the one end 110 on one side than the one flat surface forming portion 190. Thereby, when the section described below has a shape such as an arc shape, the movement of the support portion 40 entering into the mounting hole 312 is less likely to be obstructed by the edge of the mounting hole 312. The section is a section facing the one arrangement portion 96 between the location in contact with the one end 110 on one side and the location in contact with the other end 112 on one side of the mounting holes 310 and 312. Since the possibility is reduced, the clamp tool 10 according to the present invention can be fitted into and locked to the mounting hole 312 having a shape such as an arc shape in the section.

[0011] Alternatively, it is desirable that the one arrangement portion 96 described above further has the one barrel portion 170 and the one reinforcing portion 172. The one flat surface forming portion 190 and the one curved surface forming portion 192 are fixed to the one barrel portion 170. The one reinforcing portion 172 is integrally disposed on the one barrel portion 170 in the cantilever support portion arrangement direction as viewed from the position of the one barrel portion 170. The one reinforcing portion 172 extends in the cantilever support portion arrangement direction.

[0012] The one reinforcing portion 172 is integrally disposed on the one barrel portion 170 in the cantilever support portion arrangement direction as viewed from the position of the one barrel portion 170. The one reinforcing portion 172 extends in the cantilever support portion arrangement direction. Thereby, the mechanical strength of the one opposing base portion 150 can be improved.

[0013] Further, it is desirable that the notch portion 130 in the inner peripheral surface facing portion 70 is formed by the portion sandwiched between the one arrangement portion 96 and the one uneven portion 92 described above.

[0014] At the location where the cutout portion 130 is formed, contact of the support portion 40 with the section of the mounting holes 310 and 312 that faces the cutout portion 130 is avoided. Since the contact of the support portion 40 is avoided, it is easier to avoid a situation where the movement of the support portion 40 entering into the mounting holes 310 and 312 is obstructed by the edges of the mounting holes 310 and 312. Since it is easier to avoid that situation, the possibility of fitting and locking the clamp tool 10 according to the present invention into the mounting holes described below is improved. The shape of the section of the mounting holes 310 and 312 that faces the cutout portion 130 is different from both a rectangular mounting hole and a long-hole-shaped mounting hole.

[0015] Also, it is desirable that the above-described inner peripheral surface facing portion 70 further has the other uneven portion 94 and the other arrangement portion 98. The other uneven portion 94 is arranged on the side opposite to the one uneven portion 92 when viewed from the center position of the mounting holes 310 and 312 when the engaging portions 42 and 42 engage with the edges of the mounting holes 310 and 312. The other uneven portion 94 extends in a predetermined direction. The other arrangement portion 98 is arranged in a direction different from the predetermined direction and the direction in which the one uneven portion 92 is arranged when viewed from the position of the other uneven portion 94. The location of the other arrangement portion 98 closest to the other uneven portion 94 is on the one end side of the other uneven portion 94 rather than the center of the other uneven portion 94. The distance from the other-side end midpoint 124 to the location 126 farthest from the other arrangement portion 98 among the other arrangement portion 98 is equal to or less than the distances between the other-side end midpoint 124 and the other-side one end 120 and the other-side other end 122. The other-side one end 120 is the end on the other arrangement portion 98 side among the one ends of the other uneven portion 94. The other-side other end 122 is the end on the other arrangement portion 98 side among the other ends of the other uneven portion 94. The other-side end midpoint 124 is the midpoint between the other-side one end 120 and the other-side other end 122.

[0016] Of the other - side arrangement portion 98, the location closest to the other - side concentration portion 94 is on the one - end side of the other - side concentration portion 94 rather than at the center of the other - side concentration portion 94. The distance from the other - side end mid - point 124 to the farthest location 126 in the other - side arrangement portion 98 is less than or equal to the distances between the other - side end mid - point 124 and the other - side one - end 120 and the other - side other - end 122. Thereby, the possibility that the other - side arrangement portion 98 contacts the section between the location in contact with one end of the other - side concentration portion 94 and the location in contact with the other end among the mounting holes 310, 312 is suppressed. Since the possibility is suppressed, the situation where the movement of the support portion 40 entering into the mounting holes 310, 312 is obstructed by the edge of the mounting holes 310, 312 is likely to be avoided. Since this situation is likely to be avoided, it becomes even easier to fit and lock the clamp tool 10 according to the present invention into both the rectangular mounting hole 310 and the long - hole - shaped mounting hole 312. The other - side concentration portion 94 extends in a predetermined direction orthogonal to the cantilever - support - portion arrangement direction. The other - side arrangement portion 98 is arranged in a direction different from the above - described predetermined direction as viewed from the other - side concentration portion 94. Thereby, in addition to the movement of the support portion 40 in the above - described predetermined direction, the movement of the support portion 40 in a direction different from the above - described predetermined direction is suppressed. Since the movement of the support portion 40 is suppressed in this way, the movement of the clamp tool 10 according to the present invention after being mounted in the mounting holes 310, 312 is further suppressed.

Advantages of the Invention

[0017] According to the present invention, there is provided a clamp tool that can be easily fitted and locked into both a rectangular mounting hole and a long - hole - shaped mounting hole, and can suppress the movement after the locking.

Brief Description of the Drawings

[0018]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Mode for Carrying Out the Invention

[0019] Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same parts are denoted by the same reference numerals. Their names and functions are the same. Therefore, detailed descriptions thereof will not be repeated.

[0020] [Configuration of Clamping Tool] FIG. 1 is an overall view of the clamping tool 10 according to the present embodiment. Based on FIG. 1, the main configuration of the clamping tool 10 according to the present embodiment will be described.

[0021] The clamp tool 10 according to this embodiment includes a clamp base 30, a mounting portion 32, a one - end cantilever portion 34, and a the other - end cantilever portion 36. The clamp base 30 serves as a base for fixing the mounting portion 32, the one - end cantilever portion 34, and the other - end cantilever portion 36. The mounting portion 32 is provided on the clamp base 30 so as to protrude therefrom. The mounting portion 32 mounts the clamp base 30 to a member 300 having a predetermined mounting hole 310. In the case of this embodiment, the shape of the member 300 is plate - like. In the case of this embodiment, the mounting hole 310 satisfies a predetermined requirement. The specific content of the requirement will be described later. The one - end cantilever portion 34 is provided on the clamp base 30 so as to protrude from one end thereof. The other - end cantilever portion 36 is provided on the clamp base 30 so as to protrude from the other end thereof. In the case of this embodiment, the one - end cantilever portion 34 and the other - end cantilever portion 36 protrude in directions opposite to each other. In the case of this embodiment, the one - end cantilever portion 34 and the other - end cantilever portion 36 protrude in a direction orthogonal to the direction in which the mounting portion 32 protrudes. A cable or other object is fixed to the one - end cantilever portion 34 and the other - end cantilever portion 36 by a well - known binding material (not shown).

[0022] Figure 2 is a view of the vicinity of the mounting portion 32 according to this embodiment. Based on Figure 2, the configuration of the mounting portion 32 according to this embodiment will be described.

[0023] The attachment portion 32 according to the present embodiment includes a support portion 40, a pair of engagement portions 42, 42, and a pressing portion 44. The support portion 40 and the engagement portions 42 are inserted into the attachment hole 310. The engagement portion 42 branches off from the support portion 40 toward the root side among the tip side and the root side of the support portion 40. The engagement portion 42 engages with the edge of the attachment hole 310 when the support portion 40 is inserted into the attachment hole 310. The pressing portion 44 protrudes from around the root of the support portion 40 in the clamp base portion 30. The pressing portion 44 surrounds the root of the support portion 40. The pressing portion 44 expands as it moves away from the clamp base portion 30. The pressing portion 44 is pressed against the member 300 as the attachment portion 32 enters the attachment hole 310 of the member 300. Accordingly, the pressing portion 44 elastically deforms. The elastic force generated by the elastic deformation is applied to the support portion 40. The direction of the elastic force is the direction in which the support portion 40 is pulled out from the member 300. When the elastic force is applied to the support portion 40, the pressing portion 44 and the pair of engagement portions 42, 42 sandwich the edge and the periphery of the attachment hole 310, whereby the clamp base portion 30 is attached to the member 300.

[0024] In the case of the present embodiment, the support portion 40 has an inner peripheral surface facing portion 70 and a cantilever support portion 72. The inner peripheral surface facing portion 70 is disposed at the position described below. The position is a position facing the inner peripheral surface of the attachment hole 310 when the engagement portion 42 engages with the edge of the attachment hole 310. The cantilever support portion 72 is disposed on the side opposite to the clamp base portion 30 when viewed from the position of the inner peripheral surface facing portion 70. The cantilever support portion 72 cantilever-supports the engagement portions 42, 42. In the case of the present embodiment, the direction in which the cantilever support portion 72 is disposed when viewed from the position of the clamp base portion 30 is referred to as the "cantilever support portion arrangement direction".

[0025] FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2. However, only the cross-section of the inner peripheral surface facing portion 70 is shown in FIG. 3. Based on FIG. 3, the configuration of the inner peripheral surface facing portion 70 according to the present embodiment will be described.

[0026] In the case of the present embodiment, the inner peripheral surface facing portion 70 has an inner peripheral surface facing base portion 90, one-sided uneven portion 92, the other-sided uneven portion 94, one-sided arrangement portion 96, and the other-sided arrangement portion 98.

[0027] In the case of this embodiment, the center of the inner circumferential surface facing base portion 90 is disposed at the center of the inner circumferential surface facing portion 70. The inner circumferential surface facing base portion 90 serves as a base for fixing the one-sided offset portion 92, the other-sided offset portion 94, the one-sided arrangement portion 96, and the other-sided arrangement portion 98. The inner circumferential surface facing base portion 90 has an end-facing side surface 104 and the other end-facing side surface 106. The end-facing side surface 104 extends in the cantilever support portion arrangement direction and the direction orthogonal thereto. The other end-facing side surface 106 is disposed at a position that is the back surface when the end-facing side surface 104 is the front surface. The other end-facing side surface 106 extends in the cantilever support portion arrangement direction and the direction orthogonal thereto along the end-facing side surface 104. In this embodiment, among the directions in which the end-facing side surface 104 and the other end-facing side surface 106 extend, the one orthogonal to the cantilever support portion arrangement direction is referred to as the "one mounting hole axial direction".

[0028] In the case of this embodiment, the one-sided offset portion 92 is integrally continuous with one end 100 of the inner circumferential surface facing base portion 90. By being continuous with one end 100 of the inner circumferential surface facing base portion 90, the one-sided offset portion 92 is disposed at a position different from the center of the inner circumferential surface facing portion 70. In the case of this embodiment, the one-sided offset portion 92 extends in the cantilever support portion arrangement direction and the predetermined direction described below. The "predetermined direction" in the case of this embodiment is the direction orthogonal to the cantilever support portion arrangement direction and the one mounting hole axial direction.

[0029] In the case of this embodiment, the other-sided offset portion 94 is integrally continuous with the other end 102 of the inner circumferential surface facing base portion 90. By being continuous with the other end 102 of the inner circumferential surface facing base portion 90, the other-sided offset portion 94 is disposed on the side opposite to the one-sided offset portion 92 when viewed from the center position of the inner circumferential surface facing portion 70. The other-sided offset portion 94 extends in the predetermined direction described above. As a result, the other-sided offset portion 94 extends along the one-sided offset portion 92.

[0030] In the present embodiment, one arrangement portion 96 is arranged on the other side of the one-sided uneven portion 92 when viewed from the position of the inner circumferential surface facing base portion 90. As a result, the one arrangement portion 96 is arranged in a direction different from the predetermined direction described above when viewed from the position of the one-sided uneven portion 92. As shown in FIG. 3, in the present embodiment, the one arrangement portion 96 is integrally connected to the one-sided uneven portion 92 at a position closer to one end side of the one-sided uneven portion 92 than the center of the one-sided uneven portion 92. The one arrangement portion 96 protrudes from the one-sided uneven portion 92. Due to these, the portion of the one arrangement portion 96 closest to the one-sided uneven portion 92 is on the one end side of the one-sided uneven portion 92 rather than the center of the one-sided uneven portion 92. Further, the end on the one arrangement portion 96 side of one end of the one-sided uneven portion 92 is defined as one-sided one end 110. The end on the one arrangement portion 96 side of the other end of the one-sided uneven portion 92 is defined as one-sided other end 112. The midpoint between the one-sided one end 110 and the one-sided other end 112 is defined as one-sided end midpoint 114. The portion of the one arrangement portion 96 farthest from the one-sided end midpoint 114 is defined as one-sided farthest portion 116. In this case, the distance from the one-sided end midpoint 114 to the one-sided farthest portion 116 is equal to or less than the distances between the one-sided end midpoint 114 and the one-sided one end 110 and the one-sided other end 112. In FIG. 3, the relationship of these distances is shown by a circle indicated by a two-dot chain line passing through the one-sided one end 110 and the one-sided other end 112 with the one-sided end midpoint 114 as the center, and an arrow indicated by a two-dot chain line from the one-sided end midpoint 114 to the one-sided farthest portion 116.

[0031] In the present embodiment, the other arrangement portion 98 is arranged on the opposite side of the other uneven portion 94 when viewed from the position of the inner peripheral surface facing base portion 90. As a result, the other arrangement portion 98 is arranged in a direction different from the predetermined direction described above when viewed from the position of the other uneven portion 94. As shown in FIG. 3, in the present embodiment, the other arrangement portion 98 is integrally connected to the other uneven portion 94 at a position closer to one end side of the other uneven portion 94 than the center of the other uneven portion 94. The other arrangement portion 98 protrudes from the other uneven portion 94. Due to these, the portion of the other arrangement portion 98 closest to the other uneven portion 94 is on the one end side of the other uneven portion 94 rather than the center of the other uneven portion 94. Further, the end on the other arrangement portion 98 side of one end of the other uneven portion 94 is defined as the other side one end 120. The end on the other arrangement portion 98 side of the other end of the other uneven portion 94 is defined as the other side other end 122. The midpoint between the other side one end 120 and the other side other end 122 is defined as the other side end midpoint 124. The portion of the other arrangement portion 98 farthest from the other side end midpoint 124 is defined as the other side farthest portion 126. In this case, the distance from the other side end midpoint 124 to the other side farthest portion 126 is equal to or less than the distances between the other side end midpoint 124 and the other side one end 120 and the other side other end 122. In FIG. 3, the relationship of those distances is shown by a two-dot chain line circle centered on the other side end midpoint 124 and passing through the other side one end 120 and the other side other end 122, as well as an arrow shown by a two-dot chain line from the other side end midpoint 124 to the other side farthest portion 126.

[0032] In the case of the present embodiment, the one notch portion 130 in the inner peripheral surface facing portion 70 is formed by the portion sandwiched between the one arrangement portion 96 and the one end side of the one uneven portion 92. The other notch portion 132 in the inner peripheral surface facing portion 70 is formed by the portion sandwiched between the other arrangement portion 98 and the one end side of the other uneven portion 94. In the case of the present embodiment, the one notch portion 130 and the other notch portion 132 are collectively referred to as the "notch portion".

[0033] FIG. 4 is a view of the vicinity of the one arrangement portion 96 according to the present embodiment. Based on FIGS. 3 and 4, the configuration of the one arrangement portion 96 according to the present embodiment will be described.

[0034] In the case of this embodiment, one placement portion 96 has one opposing base portion 150 and one opposing tip portion 152.

[0035] In the case of this embodiment, one opposing base portion 150 protrudes from one uneven portion 92. One opposing tip portion 152 protrudes from one opposing base portion 150.

[0036] In the case of this embodiment, one opposing base portion 150 has one cylindrical portion 170 and one reinforcing portion 172. One opposing tip portion 152 is fixed to one cylindrical portion 170. One reinforcing portion 172 is arranged on the side of the cantilever support portion arrangement direction as viewed from the position of one cylindrical portion 170. In the case of this embodiment, one reinforcing portion 172 is integrated with one cylindrical portion 170. One reinforcing portion 172 extends in the cantilever support portion arrangement direction.

[0037] In the case of this embodiment, one opposing tip portion 152 has one flat surface forming portion 190 and one curved surface forming portion 192. One flat surface forming portion 190 forms a flat surface. In the case of this embodiment, the flat surface extends in the cantilever support portion arrangement direction. One curved surface forming portion 192 is arranged on the side of the predetermined direction (that is, the direction in which one uneven portion 92 and the other uneven portion 94 extend) as viewed from one flat surface forming portion 190. One curved surface forming portion 192 is arranged at a position closer to one end of one uneven portion 92 (and thus one end 110 on one side) than one flat surface forming portion 190. One curved surface forming portion 192 forms a curved surface. The curved surface formed by one curved surface forming portion 192 approaches one uneven portion 92 as it moves away from one flat surface forming portion 190.

[0038] FIG. 5 is a view of the vicinity of the other placement portion 98 according to this embodiment. Based on FIGS. 3 and 5, the configuration of the other placement portion 98 according to this embodiment will be described.

[0039] In the case of this embodiment, the other placement portion 98 has the other opposing base portion 210 and the other opposing tip portion 212.

[0040] In the case of this embodiment, the other opposing base portion 210 protrudes from the other uneven portion 94. The other opposing tip portion 212 protrudes from the other opposing base portion 210.

[0041] In the case of the present embodiment, the other opposing base portion 210 has the other cylindrical portion 230 and the other reinforcing portion 232. The other opposing tip portion 212 is fixed to the other cylindrical portion 230. The other reinforcing portion 232 is disposed on the side in the direction of the cantilever support portion arrangement from the position of the other cylindrical portion 230. In the case of the present embodiment, the other reinforcing portion 232 is integrated with the other cylindrical portion 230. The other reinforcing portion 232 extends in the direction of the cantilever support portion arrangement.

[0042] In the case of the present embodiment, the other opposing tip portion 212 has the other flat surface forming portion 250 and the other curved surface forming portion 252. The other flat surface forming portion 250 forms a flat surface. In the case of the present embodiment, the flat surface extends in the direction of the cantilever support portion arrangement. The other curved surface forming portion 252 is disposed on the side in the above-described predetermined direction (that is, the direction in which the one uneven portion 92 and the other uneven portion 94 extend) when viewed from the other flat surface forming portion 250. The other curved surface forming portion 252 is disposed at a position closer to one end of the other uneven portion 94 (and thus the other side one end 120) than the other flat surface forming portion 250. The other curved surface forming portion 252 forms a curved surface. The curved surface formed by the other curved surface forming portion 252 approaches the other uneven portion 94 as it moves away from the other flat surface forming portion 250.

[0043] [Method for manufacturing the clamp tool] The clamp tool 10 according to the present embodiment is manufactured by injection molding. That is, the clamp tool 10 according to the present embodiment is manufactured by injecting synthetic resin into a mold (not shown) for forming the same. Since the specific procedure for the injection molding is well-known, the detailed description thereof will not be repeated here.

[0044] [Method for using the clamp tool] (When the mounting hole 310 is a rectangular hole) FIG. 6 is a diagram showing the positional relationship between the mounting hole 310 and the inner peripheral surface facing portion 70 of the mounting portion 32 when the mounting portion 32 according to the present embodiment penetrates the mounting hole 310 when the mounting hole 310 is a rectangular hole. Based on FIG. 6, the method of using the clamp tool 10 according to the present embodiment when the mounting hole 310 is a rectangular hole will be described.

[0045] As described above, the mounting hole 310 shown in FIG. 6 is a rectangular hole. In this case, the "rectangular hole" refers to a hole that satisfies the requirements described below. Among those requirements, the first requirement is that the inner peripheral surface of the mounting hole 310 has a first one opposing portion 330, a second one opposing portion 332, a first other opposing portion 334, and a second other opposing portion 336. Among those requirements, the second requirement is that the first one opposing portion 330 and the second one opposing portion 332 face each other. Among those requirements, the third requirement is that the first other opposing portion 334 and the second other opposing portion 336 face each other. Among those requirements, the fourth requirement is that the first other opposing portion 334 is continuous with both one end of the first one opposing portion 330 and one end of the second one opposing portion 332. Among those requirements, the fifth requirement is that the second other opposing portion 336 is continuous with both the other end of the first one opposing portion 330 and the other end of the second one opposing portion 332. Among those requirements, the sixth requirement is that the first one opposing portion 330 and the second one opposing portion 332 extend straight so as to be along each other. Among those requirements, the seventh requirement is that the portion of the first other opposing portion 334 excluding both ends and the portion of the second other opposing portion 336 excluding both ends extend straight so as to be along each other. Therefore, their both ends do not have to extend straight so as to be along each other. For example, their both ends may draw an arc as shown in FIG. 6. When the clamp 10 according to the present embodiment is attached to the member 300, the support portion 40 of the clamp 10 according to the present embodiment penetrates the mounting hole 310 that satisfies these requirements. In the mounting hole 310 shown in FIG. 6, the distance between the centers of the first other opposing portion 334 and the second other opposing portion 336 is wider than the distance between the first one opposing portion 330 and the second one opposing portion 332.

[0046] A user of the clamp 10 according to this embodiment (hereinafter simply referred to as "user") passes a mounting hole 310 through the support portion 40 of the clamp 10. When the support portion 40 of the clamp 10 passes through the mounting hole 310, the engaging portion 42 receives a force from the edge of the mounting hole 310 and bends due to elastic deformation. The engaging portion 42 that has passed through the mounting hole 310 returns to its original shape. Along with this, since the engaging portion 42 engages with the edge of the mounting hole 310, the support portion 40 of the clamp 10 cannot come out of the mounting hole 310.

[0047] Since the pair of engaging portions 42, 42 engages with the edge of the mounting hole 310, the center of the inner peripheral surface facing portion 70 will be arranged near the center of the mounting hole 310. As described above, in the case of this embodiment, one uneven portion 92 is arranged at a position different from the center of the inner peripheral surface facing portion 70. Thereby, the one uneven portion 92 will be arranged at a position different from the center of the mounting hole 310 when the pair of engaging portions 42, 42 engages with the edge of the mounting hole 310. Similarly, the other uneven portion 94 will be arranged on the side opposite to the one uneven portion 92 when viewed from the position of the center of the mounting hole 310 when the pair of engaging portions 42, 42 engages with the edge of the mounting hole 310.

[0048] When the support portion 40 of the clamp 10 cannot come out of the mounting hole 310, an arbitrary object is bound to the one - end cantilever portion 34 and the other - end cantilever portion 36 by a well - known binding material or the like. As a result, an arbitrary object is fixed to the member 300 via the clamp 10 according to this embodiment.

[0049] (When the mounting hole 310 is an elongated hole) FIG. 7 is a diagram showing the positional relationship between the mounting hole 312 and the inner peripheral surface facing portion 70 of the mounting portion 32 when the mounting portion 32 according to this embodiment penetrates the mounting hole 312 which is an elongated hole. Based on FIG. 7, the usage method of the clamp 10 according to this embodiment when the mounting hole 312 provided in the member 302 is an elongated hole will be described.

[0050] As described above, the mounting hole 312 shown in FIG. 7 is an elongated hole. In this case, the "elongated hole" refers to a hole that satisfies the requirements described below. Among these requirements, the first requirement is that the inner peripheral surface of the mounting hole 312 has a first one opposing portion 350, a second one opposing portion 352, a first other opposing portion 354, and a second other opposing portion 356. Among these requirements, the second requirement is that the first one opposing portion 350 and the second one opposing portion 352 face each other. Among these requirements, the third requirement is that the first other opposing portion 354 and the second other opposing portion 356 face each other. Among these requirements, the fourth requirement is that the first other opposing portion 354 is continuous with both one end of the first one opposing portion 350 and one end of the second one opposing portion 352. Among these requirements, the fifth requirement is that the second other opposing portion 356 is continuous with both the other end of the first one opposing portion 350 and the other end of the second one opposing portion 352. Among these requirements, the sixth requirement is that the first one opposing portion 350 and the second one opposing portion 352 extend straight so as to be along each other. Among these requirements, the seventh requirement is that the first other opposing portion 354 and the second other opposing portion 356 are bent so as to draw a semi-circular curve. When the clamp 10 according to the present embodiment is attached to the member 302, the support portion 40 of the clamp 10 according to the present embodiment passes through the mounting hole 312 that satisfies these requirements. In the mounting hole 312 shown in FIG. 7, the distance between the centers of the first other opposing portion 354 and the second other opposing portion 356 is wider than the distance between the first one opposing portion 350 and the second one opposing portion 352.

[0051] The user passes the mounting hole 312 through the support portion 40 of the clamp 10. When the support portion 40 of the clamp 10 passes through the mounting hole 312, the engaging portion 42 receives a force from the edge of the mounting hole 312 and bends due to elastic deformation. The engaging portion 42 that has passed through the mounting hole 312 returns to its original shape. Accordingly, since the engaging portion 42 engages with the edge of the mounting hole 312, the support portion 40 of the clamp 10 cannot come out of the mounting hole 312.

[0052] Since the pair of engaging portions 42, 42 engages with the edge of the mounting hole 312, the center of the inner peripheral surface facing portion 70 will be disposed near the center of the mounting hole 312. As described above, in the case of the present embodiment, one uneven portion 92 is disposed at a position different from the center of the inner peripheral surface facing portion 70. Thereby, the one uneven portion 92 will be disposed at a position different from the center of the mounting hole 312 when the pair of engaging portions 42, 42 engages with the edge of the mounting hole 312. Similarly, the other uneven portion 94 will be disposed on the side opposite to the one uneven portion 92 when viewed from the position of the center of the mounting hole 312 when the pair of engaging portions 42, 42 engages with the edge of the mounting hole 312.

[0053] When the support portion 40 of the clamp tool 10 cannot come out of the mounting hole 312, an arbitrary object is bound to the one - end cantilever portion 34 and the other - end cantilever portion 36 by a well - known binding material or the like. As a result, an arbitrary object is fixed to the member 302 via the clamp tool 10 according to the present embodiment.

[0054] [Effect of the clamp tool according to the present embodiment] In the present embodiment, the engaging portions 42 branched from the support portion 40 engage with the edges of the mounting holes 310, 312. Thereby, the clamp tool 10 according to the present embodiment can be fitted into the mounting holes 310, 312 of the members 300, 302 and the clamp tool 10 according to the present embodiment can be attached.

[0055] In the case of this embodiment, the location closest to the one-sided concentration portion 92 in the one-sided arrangement portion 96 is on the one end side of the one-sided concentration portion 92 rather than at the center of the one-sided concentration portion 92. The distance from the one-sided end midpoint 114 to the one-sided farthest location 116 is equal to or less than the distances between the one-sided end midpoint 114 and the one-sided one end 110 and the one-sided other end 112. Thereby, the possibility that the one-sided arrangement portion 96 contacts the section between the location in contact with one end of the one-sided concentration portion 92 and the location in contact with the other end in the mounting holes 310 and 312 is suppressed. Since that possibility is suppressed, it becomes easier to avoid the situation where the movement of the support portion 40 entering the mounting holes 310 and 312 is obstructed by the edges of the mounting holes 310 and 312. Since it becomes easier to avoid that situation, it becomes easy to fit and lock the clamp tool 10 according to the present invention into both the rectangular mounting hole 310 and the long-hole-shaped mounting hole 312. Further, the location closest to the other-sided concentration portion 94 in the other-sided arrangement portion 98 is on the one end side of the other-sided concentration portion 94 rather than at the center of the other-sided concentration portion 94. The distance from the other-sided end midpoint 124 to the other-sided farthest location 126 is equal to or less than the distances between the other-sided end midpoint 124 and the other-sided one end 120 and the other-sided other end 122. Thereby, the possibility that the other-sided arrangement portion 98 contacts the section between the location in contact with one end of the other-sided concentration portion 94 and the location in contact with the other end in the mounting holes 310 and 312 is suppressed. Since that possibility is suppressed, it becomes even easier to avoid the situation where the movement of the support portion 40 entering the mounting holes 310 and 312 is obstructed by the edges of the mounting holes 310 and 312. Since it becomes even easier to avoid that situation, it becomes even easier to fit and lock the clamp tool 10 according to the present invention into both the rectangular mounting hole 310 and the long-hole-shaped mounting hole 312.

[0056] In the case of this embodiment, the one-sided concentration portion 92 extends in a predetermined direction orthogonal to the cantilever support portion arrangement direction. The one-sided arrangement portion 96 is arranged in a direction different from the predetermined direction described above as viewed from the one-sided concentration portion 92. Thereby, in addition to the movement of the support portion 40 in the predetermined direction described above, the movement of the support portion 40 in a direction different from the predetermined direction described above is suppressed. Since the movement of the support portion 40 is suppressed in this way, the clamp tool 10 according to the present invention can suppress movement after being attached to the mounting holes 310 and 312.

[0057] In the case of this embodiment, the other uneven portion 94 extends in a predetermined direction orthogonal to the cantilever support portion arrangement direction. The other arrangement portion 98 is arranged in a direction different from the predetermined direction described above when viewed from the other uneven portion 94. Thereby, in addition to the movement of the support portion 40 in the predetermined direction described above, the movement of the support portion 40 in a direction different from the predetermined direction described above is suppressed. Since the movement of the support portion 40 is suppressed in this way, the clamp tool 10 according to the present invention is further suppressed from moving after being attached to the attachment holes 310 and 312.

[0058] In the case of this embodiment, the curved surface formed by the one curved surface forming portion 192 faces the inner peripheral surface of the attachment hole 312. The curved surface approaches the one uneven portion 92 as it moves away from the one flat surface forming portion 190. The curved surface is arranged on the one end side of the one uneven portion 92 as viewed from the center of the one uneven portion 92 rather than the one flat surface forming portion 190 when the inner peripheral surface facing portion 70 is arranged at a position facing the inner peripheral surface of the attachment hole 312. Thereby, even if the first other facing portion 354 in the attachment hole 312 is bent so as to draw a semicircular curve, the possibility that the movement of the support portion 40 entering the attachment hole 312 is hindered by the edge of the attachment hole 312 is reduced.

[0059] Similarly, in the case of this embodiment, the curved surface formed by the other curved surface forming portion 252 faces the inner peripheral surface of the attachment hole 312. The curved surface approaches the other facing base portion 210 as it moves away from the other flat surface forming portion 250. The curved surface is arranged on the one end side of the one uneven portion 92 as viewed from the center of the one uneven portion 92 rather than the one flat surface forming portion 190 when the inner peripheral surface facing portion 70 is arranged at a position facing the inner peripheral surface of the attachment hole 312. Thereby, even if the second other facing portion 356 in the attachment hole 312 is bent so as to draw a semicircular curve, the possibility that the movement of the support portion 40 entering the attachment hole 312 is hindered by the edge of the attachment hole 312 is reduced.

[0060] Further, in the present embodiment, one cutout portion 130 in the inner peripheral surface facing portion 70 is formed at a location sandwiched between one placement portion 96 and one end side of one uneven portion 92. The other cutout portion 132 in the inner peripheral surface facing portion 70 is formed at a location sandwiched between the other placement portion 98 and one end side of the other uneven portion 94. As a result, contact of the support portion 40 with the section of the mounting holes 310 and 312 that faces those cutout portions is avoided. Since contact of the support portion 40 with those boundaries is avoided, the situation where the movement of the support portion 40 entering the mounting hole 312 is obstructed by the edge of the mounting hole 312 due to that contact is less likely to occur. Since that situation is less likely to occur, the possibility of fitting and locking the clamp tool 10 according to the present invention into a mounting hole (for example, an elliptical mounting hole) different from a rectangular mounting hole and a long hole-shaped mounting hole in shape near that boundary is improved.

[0061] Further, in the present embodiment, one reinforcing portion 172 is integrally arranged on the one cylindrical portion 170 on the side of the cantilever support portion arrangement direction as viewed from the position of the one cylindrical portion 170. The one reinforcing portion 172 extends in the cantilever support portion arrangement direction. Thereby, while suppressing a decrease in the volume of the space formed by the one cutout portion 130 and the other cutout portion 132, the mechanical strength of the one opposing base portion 150 can be improved.

[0062] [Description of Modification Example] The embodiments disclosed this time are illustrative in all respects. The scope of the present invention is not limited based on the above-described embodiments. Of course, various design changes may be made without departing from the gist of the present invention.

[0063] Further, the clamp tool according to the present invention may be provided with an arbitrary object fixing portion for fixing an object instead of the one-end cantilever portion 34 and the other-end cantilever portion 36. That portion may be integrated with the clamp base, or may be a part of the clamp base. Needless to say, the one-end cantilever portion 34 and the other-end cantilever portion 36 are also a kind of specific form of the object fixing portion. Therefore, the clamp tool according to the present invention may be provided with only one of the one-end cantilever portion 34 and the other-end cantilever portion 36.

[0064] Moreover, the form of the portion sandwiched between the one placement portion 96 and the one uneven portion 92 is not limited to the one notch portion 130. Similarly, the form of the portion sandwiched between the other placement portion 98 and the other uneven portion 94 is not limited to the other notch portion 132. The one notch portion 130 and the other notch portion 132 may both be formed, or only one of the one notch portion 130 and the other notch portion 132 may be formed, or neither the one notch portion 130 nor the other notch portion 132 may be formed.

Explanation of Signs

[0065] 10…Clamping tool 30…Clamping base 32…Mounting portion 34…One-end cantilever portion 36…Other-end cantilever portion 40…Support pillar portion 42…Engaging portion 44…Pressing portion 46…Retention claw 70…Inner peripheral surface facing portion 72…Cantilever support portion 92…One uneven portion 94…Other uneven portion 96…One placement portion 98…Other placement portion 100…One end 102…Other end 104…One-end facing side 106…Other-end facing side 110…One-side one end 112…One-side other end 114…One-side end midpoint 116…One-side farthest point 120…Other-side one end 122…Other-side other end 124…Other-side end midpoint 126…Other-side farthest point 130…One notch portion 132…Other notch portion 150…One opposing base 152…One opposing tip 170…One body portion 172…One reinforcing portion 190…One planar forming portion 192... One-sided curved surface forming part 210... The other opposing base part 212... The other opposing tip part 230... The other body part 232... The other reinforcing part 250... The other flat surface forming part 252... The other-sided curved surface forming part 300, 302... Members 310, 312... Mounting holes 330, 350... The first one-sided opposing part 332, 352... The second one-sided opposing part 334, 354... The first other-sided opposing part 336, 356... The second other-sided opposing part

Claims

1. a clamp base, and an attachment portion provided on the clamp base for attaching the clamp base to a member having an attachment hole, wherein the attachment portion has a support portion inserted into the attachment hole, and an engagement portion that is cantilever-supported elastically deformably from the support portion such that when the support portion is inserted into the attachment hole, the engagement portion engages with an edge of the attachment portion, wherein the support portion has an inner peripheral surface facing portion disposed at a position facing the inner peripheral surface of the attachment hole when the engagement portion engages with the edge of the attachment hole, and a cantilever support portion disposed on the side opposite to the clamp base as viewed from the position of the inner peripheral surface facing portion for cantilever-supporting the engagement portion, the cantilever support portion arrangement direction being the direction in which the cantilever support portion is disposed as viewed from the position of the clamp base, wherein the inner peripheral surface facing portion has a one-sided uneven portion disposed at a position different from the center of the attachment hole when the engagement portion engages with the edge of the attachment hole and extending in a predetermined direction orthogonal to the cantilever support portion arrangement direction, and a one-sided arrangement portion disposed in a direction different from the predetermined direction as viewed from the position of the one-sided uneven portion, wherein the location of the one-sided arrangement portion closest to the one-sided uneven portion is on the one-end side of the one-sided uneven portion rather than at the center of the one-sided uneven portion, and the distance from the one-sided end midpoint, which is the midpoint between the one-sided one end, which is the end on the one-sided arrangement portion side of one end of the one-sided uneven portion, and the one-sided other end, which is the end on the one-sided arrangement portion side of the other end of the one-sided uneven portion, to the location of the one-sided arrangement portion farthest from the one-sided end midpoint is equal to or less than the distance between the one-sided end midpoint and the one-sided one end and the one-sided other end,

2. wherein the one-sided arrangement portion has a one-sided plane forming portion forming a plane, and a one-sided curved surface forming portion disposed at a position closer to the one-sided one end than the one-sided plane forming portion and forming a curved surface, wherein the plane formed by the one-sided plane forming portion is disposed on the outer peripheral side of the one-sided arrangement portion as viewed from the one-sided end midpoint when the inner peripheral surface facing portion is disposed at a position facing the inner peripheral surface of the attachment hole, and the curved surface formed by the one-sided curved surface forming portion approaches the one-sided uneven portion as it moves away from the one-sided plane forming portion,

3. wherein the one-sided arrangement portion has a one-sided body portion to which the one-sided plane forming portion and the one-sided curved surface forming portion are fixed, The clamp according to claim 2, further comprising one reinforcing portion integrally disposed on the one body portion and extending in the cantilever support portion arrangement direction in the cantilever support portion arrangement direction viewed from the position of the one body portion.

4. The clamp according to claim 1, wherein a notch is formed in the inner peripheral surface facing portion at a location sandwiched between the one arrangement portion and the one uneven portion.

5. The inner peripheral surface facing portion is When the engaging portion engages with the edge of the mounting hole, a second uneven portion disposed on the side opposite to the one uneven portion when viewed from the center of the mounting hole and extending in the predetermined direction, It has a second arrangement portion disposed in a direction different from the predetermined direction and the direction in which the one uneven portion is disposed when viewed from the position of the second uneven portion, The location of the second arrangement portion closest to the second uneven portion is on the one end side of the second uneven portion rather than the center of the second uneven portion, The distance from the second side end midpoint, which is the midpoint between the second side one end, which is the end on the second arrangement portion side of one end of the second uneven portion, and the second side other end, which is the end on the second arrangement portion side of the other end of the second uneven portion, to the farthest location of the second arrangement portion is less than or equal to the distance between the second side end midpoint and the second side one end and the second side other end. The clamp according to claim 1.

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