Band attachment structure

Abstract

To provide a band mounting structure capable of reducing a burden on a worker when mounting a band.SOLUTION: A band attachment structure 10 is provided on an attachment object 1 to which a binding band is attached, and includes a cylindrical portion 11 into which a band portion of the binding band is inserted, and a band guide portion 12 which is provided continuously with an exit 111 of the inserted band portion in the cylindrical portion 11 and guides and extends the band portion from the exit 111 in a guide direction D11 different from an insertion direction D11 of the cylindrical portion 11.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a band attachment structure that is provided on an object to which a cable tie is attached. [Background technology]

[0002] Conventionally, a band mounting structure has been known for mounting a cable tie that fastens a wire harness or the like to an object such as a clamp component that fixes the wire harness or the like to a predetermined installation location (see, for example, Patent Document 1). The band mounting structure described in Patent Document 1 includes a tubular portion through which the band portion of the cable tie passes, and is configured to fasten the wire harness or the like with the cable tie with the band portion inserted into the tubular portion. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-019852 Summary of the Invention [Problem to be solved by the invention]

[0004] In the band attachment structure in which the band is passed through the cylindrical portion as described above, the band can be oriented in any direction after fastening the wire harness, etc., and depending on the orientation of the band, the band may interfere with surrounding structures, etc. For this reason, when attaching the cable tie, the worker must be careful not to orient the band in a direction that will cause interference, and this careful work is a burden for the worker.

[0005] Therefore, the present invention has been made in view of the above-mentioned problems, and has as its object to provide a band attachment structure that can reduce the burden on the worker when attaching the band. [Means for solving the problem]

[0006] In order to solve the above problem, the band mounting structure is characterized by comprising: a tubular portion provided on an object to which a cable tie is attached and through which the band portion of the cable tie is inserted; and a band guide portion provided contiguous to the outlet of the inserted band portion in the tubular portion, which guides and extends the band portion from the outlet in a guide direction different from the insertion direction in the tubular portion. [Effects of the Invention]

[0007] According to the above-described band attachment structure, the burden on the worker when attaching the band can be reduced. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a perspective view showing a band attachment structure according to an embodiment. [Figure 2] 2 is a cutaway perspective view of the band attachment structure shown in FIG. 1, showing a cross section taken along line V11-V11 in FIG. [Figure 3] 3 is a schematic diagram showing how a cable tie is attached using the band attachment structure shown in FIGS. 1 and 2. FIG. [Figure 4] 1 to 3. FIG. 4 is a cutaway perspective view similar to FIG. 2 showing a comparative example of the band attachment structure shown in FIGS. [Figure 5] 5 is a schematic diagram showing a state in which a binding band is attached to the band attachment structure of the comparative example shown in FIG. 4. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0009] An embodiment of the band attachment structure will be described below.

[0010] Fig. 1 is a perspective view showing a band attachment structure according to an embodiment, and Fig. 2 is a cutaway perspective view of the band attachment structure shown in Fig. 1, showing a cross section taken along line V11-V11 in Fig. 1. Fig. 3 is a schematic diagram showing how a cable tie is attached using the band attachment structure shown in Figs. 1 and 2. Note that Figs. 1 and 2 and Fig. 3 show attachment objects 1 including band attachment structure 10 in orientations that are reversed from left to right.

[0011] The band attachment structure 10 of this embodiment is configured such that the attachment object 1 is a clamp component that fixes the wire harness W1 to a predetermined installation location, and a cable tie B1 that tightens the wire harness W1 is attached to the attachment object 1. The attachment object 1 as a clamp component is formed in an L-shape in a side view, with the horizontal bar of the L-shape being a locking portion 1a that locks and fixes the wire harness W1 to the installation location, and the vertical bar portion being the band attachment structure 10. The band attachment structure 10 includes a tubular portion 11, a band guide portion 12, and a head restriction portion 13.

[0012] The cylindrical portion 11 is provided on the attachment object 1 to which the cable tie B1 is attached, and is a portion through which the band portion B11 of the cable tie B1 is inserted. The band guide portion 12 is provided in the cylindrical portion 11, contiguous with the outlet 111 of the inserted band portion B11, and is a portion that guides the band portion B11 from the outlet 111 to extend in a guide direction D12 that is different from the insertion direction D11 in the cylindrical portion 11. In this embodiment, the guide direction D12 is set to be perpendicular to the insertion direction D11 and toward the opposite side from the locking portion 1a. In addition, the head restriction portion 13 is an annular plane that surrounds at least a portion (in this embodiment, the entire circumference) of the periphery of the extension outlet 121 of the band portion B11 in the band guide portion 12 and intersects with the guide direction D11. When the band portion B11 that has passed through the extension opening 121 is passed through the head portion B12 of the cable tie B1, the head portion B12 is pressed against the head regulating portion 13. This pressing restricts the orientation of the head portion B12 so that the band portion B11 that has passed through the head portion B12 is directed in the guiding direction D12 by the band guiding portion 12.

[0013] The band attachment structure 10 is a member integrally molded from resin with the attachment object 1, and in the band attachment structure 10, the tubular portion 11 and the band guide portion 12 are integrated to form a one-end closed tube 10a with one end closed. The tubular portion 11 is formed so as to occupy the opening side of the one-end closed tube 10a, with the opening of this one-end closed tube serving as an insertion port 112 for the band portion B11.

[0014] The band guide portion 12 occupies the closed side of the one-side closed tube 10a, and a through-hole provided on the closed side of the peripheral wall 10a-1 of the one-side closed tube 10a serves as an extension outlet 121 for the band portion B11. The band guide portion 12 guides the band portion B11 via an inner wall surface 122 on the closed side of the one-side closed tube 10a, with the direction passing through the extension outlet 121 and heading outward as the guide direction D12. The inner wall surface 122 of the band guide portion 12 is continuous with the inner peripheral surface 113 of the tubular portion 11 and has an R-curved surface that extends from the exit 111 in the guide direction D12 while blocking the forward side in the insertion direction D11.

[0015] Furthermore, the one-side closed tube 10a is a rectangular tube having a pair of side walls 10a-2 that sandwich the band portion B11 in the front-to-back direction D13. An extension opening 121 for the band guide portion 12 is provided on the closed side of one of the pair of side walls 10a-2a.

[0016] The attachment of the cable tie B1 to the band attachment structure 10 is performed as shown in FIG. 3. First, the band attachment structure 10 is positioned so as to intersect with the wire harness W1, and the cable tie B1 is inserted through the tubular portion 11 of the band attachment structure 10 (step S11). Next, the band portion B11, which has been guided and extended from the extension opening 121 of the band guide portion 12 in the guiding direction D12, is passed through the head portion B11 (step S12). Finally, the head portion B11 is pressed against the head restriction portion 13, which is an annular flat surface surrounding the extension opening 121, and the band portion B11 is pulled in the guiding direction D12 (step S13). Through this series of operations, the cable tie B1 is attached to the band attachment structure 10 with the wire harness W1 fastened.

[0017] Fig. 4 is a cutaway perspective view similar to Fig. 2 showing a comparative example to the band attachment structure shown in Figs. 1 to 3. Fig. 5 is a schematic diagram showing a state in which a cable tie is attached to the band attachment structure of the comparative example shown in Fig. 4. Note that Figs. 4 and 5 show attachment object 2 including band attachment structure 20 in orientations that are mirrored from left to right. In Figs. 4 and 5, components equivalent to those shown in Figs. 1 to 3 are denoted by the same reference numerals as in Figs. 1 to 3, and redundant explanations of these equivalent components will be omitted below.

[0018] The band attachment structure 20 of this comparative example is also structured to attach a cable tie B1 that tightens the wire harness W1 to an attachment object 2, which is a clamping component that fixes the wire harness W1 to a predetermined installation location. The band attachment structure 20 of the comparative example is provided as a vertical rod portion of the attachment object 2, which is L-shaped in side view and has a horizontal rod portion serving as a locking portion 1a. The band attachment structure 20 of the comparative example is entirely composed of a tubular portion 21 that is a simple rectangular tube. The cable tie B1 is attached to the band attachment structure 20 of the comparative example by inserting the band portion B11 into the tubular portion 21 that is a simple rectangular tube while tightening the wire harness W1, passing through the outlet 211 and passing through the head portion B12.

[0019] In the band attachment structure 20 of this comparative example, when the band portion B11 threaded through the head portion B12 is pulled to tighten the wire harness W1, the head portion B12 moves toward the tubular portion 21 in the direction of arrow D21 and tilts toward the wire harness W1. Then, the band portion B11 that has exited the head portion B12 also tilts toward the wire harness W1 in a diagonal direction D22 in accordance with the orientation of the head portion B12. Because the band attachment structure 20 of the comparative example does not have a structure for restricting the orientation of the band portion B11 or the head portion B12, the diagonal direction D22 of the band portion B11 of the attached cable tie B1 can be determined arbitrarily. Therefore, when attaching the cable tie B11 to the band attachment structure 20 of the comparative example, the worker must carefully install the band portion B11 so as not to orient it in a direction that will interfere with surrounding structures.

[0020] In contrast to the band attachment structure 20 of the comparative example, the band attachment structure 10 of the embodiment shown in FIGS. 1 to 3 provides the following advantages. Specifically, according to this embodiment, the band portion B11 that has passed through the exit 111 of the cylindrical portion 11 is guided in the guide direction D12 by the band guide portion 12. Providing such a band guide portion 12 makes it possible to set the guide direction D12 to a direction different from the expected interference direction D14 ( FIG. 3 ) of the band portion B11 during design or other processes. When attaching the band, the worker can simply pass the band portion B11 through the cylindrical portion 11 without paying particular attention, and then pass the band portion B11, guided by the band guide portion 12, through the head portion B12 and pull it, completing the attachment of the cable tie B1. Thus, according to this embodiment, the burden on the worker when attaching the band can be reduced.

[0021] In this embodiment, the head restricting portion 13 is provided as an annular plane that surrounds the entire periphery of the extension opening 121 of the band portion B11 in the band guiding portion 12. With this configuration, in addition to the guidance by the band guiding portion 12, the restriction of the orientation of the head portion B12 by the head restricting portion 13 also directs the band portion B11 toward the guiding direction D12, thereby improving the accuracy of guiding the band portion B11.

[0022] In this embodiment, the band guide portion 12 has an R-shaped surface that continues from the outlet 111 to the guide direction D12, continuing from the inner circumferential surface 113 of the cylindrical portion 11. According to this configuration, the R-shaped surface that continues from the inner circumferential surface 113 of the cylindrical portion 11 smoothly guides the band portion B11 that has been inserted into the cylindrical portion 11, thereby improving the workability when inserting the band portion B11.

[0023] In this embodiment, the tubular portion 11 is formed to occupy the open side of the one-side closed tube 10a, and the band guide portion 12 is formed to occupy the closed side of the one-side closed tube 10a. This band guide portion 12 uses a through-hole provided on the closed side of the peripheral wall 10a-1 of the one-side closed tube 10a as an extension outlet 121 for the band portion B11, and guides the band portion B11 via an inner wall surface 122 on the closed side of the one-side closed tube 10a. According to this configuration, the tubular portion 11 and the band guide portion 12 are integrally molded to constitute the one-side closed tube 10a as a whole. This integral molding reduces manufacturing man-hours and reduces manufacturing costs compared to combining a tubular portion and a band guide portion formed as separate parts.

[0024] In this embodiment, the one-side closed tube 10a is a rectangular tube having a pair of side walls 10a-2, and an extension opening 121 for the band portion B11 is provided on the closed side of one of the side walls 10a-2a. With this configuration, the band portion B11 passes smoothly inside the one-side closed tube 10a compared to, for example, a cylindrical one-side closed tube, and therefore, the workability when inserting the band portion B11 can be improved.

[0025] The above-described embodiment merely shows a typical example of the band attachment structure, and the band attachment structure is not limited to this and can be implemented in various modifications.

[0026] For example, in the above-described embodiment, an example of a band attachment structure is given as an example of a band attachment structure, in which a clamp component formed in an L-shape in side view is used as an attachment object 1, and band attachment structure 10 is provided on this attachment object 1. However, the band attachment structure is not limited to this, and may be, for example, one formed with a clamp component formed in an I-shape in side view as an attachment object, or one formed with an attachment object other than a clamp component.

[0027] In the above-described embodiment, the band guide 12 is exemplified as an example of the band guide, which guides the band B11 in the guide direction D12 perpendicular to the insertion direction D11 in the cylindrical portion 11 and toward the opposite side from the locking portion 1a. However, the band guide is not limited to this, and any specific guide direction is acceptable as long as the band guide guides the band B11 in a guide direction different from the insertion direction in the cylindrical portion. For example, the band guide may guide the band B11 toward the locking portion of the L-shaped clamp, or in an inclined direction that diagonally intersects with the insertion direction.

[0028] In the above-described embodiment, the band attachment structure 10 provided with the head restricting portion 13 is exemplified as an example of a band attachment structure. However, the band attachment structure is not limited to this. For example, the band attachment structure may not include a head restricting portion, and the orientation of the head portion may be left to the orientation of the band portion guided by the band guide portion. However, as described above, providing the head restricting portion 13 can improve the accuracy of guiding the band portion B11. Note that in this embodiment, the head restricting portion 13 is exemplified as an annular plane that completely surrounds the periphery of the extension opening 121 of the band guide portion 12. However, the head restricting portion may be, for example, a C-shaped plane that partially surrounds the periphery of the extension opening, as long as it is a plane that at least partially surrounds the periphery of the extension opening of the band guide portion.

[0029] Furthermore, in the above-described embodiment, as an example of the band guide portion, the band guide portion 12 having an R-curved surface that is continuous with the inner circumferential surface 113 of the cylindrical portion 11 and extends from the outlet 111 in the guide direction D12 is exemplified. However, the band guide portion is not limited to this, and may be, for example, a surface that guides the band portion B11 along the guide direction of the band portion. However, as described above, the R-curved surface that is continuous with the inner circumferential surface 113 of the cylindrical portion 11 can smoothly guide the band portion B11, thereby improving the ease of insertion of the band portion B11.

[0030] Furthermore, in the above-described embodiment, as an example of a band mounting structure, a band mounting structure 10 is illustrated in which the tubular portion 11 occupies the open side of the one-side closed tube 10a and the band guide portion 12 occupies the closed side of the one-side closed tube 10a. However, the band mounting structure is not limited to this and may be, for example, a combination of a tubular portion and a band guide portion configured as separate parts. However, as described above, by integrally molding the tubular portion 11 and the band guide portion 12 to form the one-side closed tube 10a as a whole, manufacturing costs can be reduced.

[0031] Furthermore, in the above-described embodiment, as an example of a band attachment structure, a band attachment structure 10 is exemplified in which the one-side closed tube 10a, which is composed of the tubular portion 11 and the band guide portion 12, is a rectangular tube in which the band portion B11 is sandwiched between a pair of side walls 10a-2 in the front-to-back direction D13. However, the band attachment structure is not limited to this, and even when the one-side closed tube is composed of the tubular portion and the band guide portion, the one-side closed tube may have any cylindrical shape, such as a cylinder or an ellipse. However, as described above, by making the one-side closed tube 10a a rectangular tube, the band portion B11 can pass smoothly inside it, thereby improving the workability when inserting the band portion B11. [Explanation of symbols]

[0032] 1,2 Mounting object 1a Locking part 10,20 Band mounting structure 10a One-side closed cylinder 10a-1 Peripheral wall 10a-2 Pair of side walls 10a-2a One side wall 11,21 Cylindrical part 12 Band guidance section 13 Head regulation section 111 Exit 112 Insertion port 113 Inner surface 121 Extend 122 Inner wall surface B1 Cable Ties B11 Band B12 head D11 Insertion direction D12 Guidance direction D13 Front and back direction D14 Interference direction W1 Wire harness

Claims

1. a cylindrical portion provided on an object to which the cable tie is attached and through which a band portion of the cable tie is inserted; a band guide portion provided in the cylindrical portion continuously with an outlet of the inserted band portion, the band guide portion guiding and extending the band portion from the outlet in a guide direction different from the insertion direction in the cylindrical portion; A band attachment structure comprising:

2. The band mounting structure of claim 1, further comprising a head regulating portion that is a plane that intersects with the guiding direction and surrounds at least a portion of the periphery of the extension outlet of the band portion in the band guiding portion, and that when the band portion that has passed through the extension outlet is passed through a head portion of the cable tie, the head portion is pressed against the head portion to regulate the orientation of the head portion in a direction that directs the band portion that has passed through the head portion toward the guiding direction.

3. The band mounting structure according to claim 1, characterized in that the band guide portion has an R-curved surface that is continuous with the inner surface of the cylindrical portion and extends from the outlet in the guide direction while blocking the forward side in the insertion direction.

4. The cylindrical portion is formed so as to occupy the opening side of the one-side closed cylinder, with the opening of the one-side closed cylinder having one end closed as an insertion port for the band portion, The band mounting structure described in claim 1, characterized in that the band guide portion occupies the blocked side of the one-sided blocked cylinder, and a through hole provided on the blocked side of the peripheral wall of the one-sided blocked cylinder serves as an extension outlet for the band portion, and the direction passing through the extension outlet toward the outside is the guidance direction, and the band portion is guided by the inner wall surface on the blocked side of the one-sided blocked cylinder.

5. The band mounting structure described in claim 4, characterized in that the one-side closed tube is a rectangular tube having a pair of side walls that sandwich the band portion in the front and back directions, and the extension outlet is provided on the closed side of one of the pair of side walls.

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