JP2020054032A - Band clamp and mounting method of band clamp - Google Patents

Abstract

To provide a band clamp etc. that do not cause trouble to a worker's workability as much as possible.SOLUTION: A band clamp A comprises: a band 1 being wrapped around an electric wire W; a band locking part 2 to which the base end of the band 1 is fixed, which has a band through hole 2a that the band 1 passes through, and which locks the band 1 that passes through the band through hole 2a; and a clip part 3 which is fixed to the band locking part 2, and which is locked to a vehicle body. The band locking part 2 has two guard protrusions 4 that protrude from both outside positions on the outlet side of the band through hole 2a. Each guard protrusion 4 is formed so as to have a round surface 4a from the apical surface over to the outer peripheral surface.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a band clamp for bundling and fixing an electric wire to a member to be mounted, and a method for mounting the band clamp.

  Conventional band clamps include those shown in FIGS. 7 and 8 (see Patent Document 1). The band clamp 50 includes a band 51 wound around an electric wire (wire bundle) W, a band locking portion 52 to which a base end of the band 51 is fixed, and a vehicle body locking clip portion fixed to the band locking portion 52. 53. The band locking portion 52 has a band through hole 52a through which the band 51 penetrates, and a locking portion 52b which locks the band 51 penetrated through the band through hole 52a.

  The mounting operation of the band clamp 50 will be described. As shown in FIG. 8, first, the band 51 is wound around the outer periphery of the electric wire W, and the tip side of the band 51 is passed through the band through hole 52a. Then, the band 51 that has passed through the band through hole 52a is locked by the band locking portion 52. Next, the process is completed by cutting the surplus portion of the band 51 protruding from the exit side of the band through hole 52a. By locking the clip 53 to a vehicle body (not shown), the electric wire W can be fixed to the vehicle body (not shown).

JP-A-11-113143

  However, in the band clamp 50 of the conventional example, the cut portion of the band 51 is exposed while protruding outside from the band through-hole 52 a of the band locking portion 52. The angle of the cut surface 51a (shown in FIG. 8) of the band 51 is a sharp angle (for example, 90 degrees), and may impair the workability of the worker.

  Then, this invention is made in order to solve the above-mentioned subject, and an object of this invention is to provide the band clamp which does not generate | occur | produce to the operability of an operator as much as possible.

  The band clamp according to the present invention has a band to be wound around an electric wire, and a band locking part having a base end of the band fixed and having a band through hole through which the band passes, and locking the band through the band through hole. And a clip part fixed to the band locking part and locked to a member to be mounted, the band locking part having two protections protruding from both outer positions on the exit side of the band through hole. A projection is provided, and each of the protection projections is formed on a round surface from the distal end surface to the outer peripheral surface.

  According to the band clamp mounting method of the present invention, a band wound around an electric wire, a base end of the band is fixed, and the band has a band through hole that penetrates the band, and the band that penetrates the band through hole is locked. A band locking portion, and a clip portion fixed to the band locking portion and locked to a member to be mounted, wherein the band locking portion protrudes from both outer positions on the exit side of the band through hole. A method of mounting a band clamp formed on a round surface from a front end surface to an outer peripheral surface, wherein each of the protection protrusions is provided with two protection protrusions, wherein a front end of the band wound around the electric wire is connected to the band through hole. Then, the band that has been penetrated is locked by the band locking portion, and then the band protruding from the exit side of the band through hole is formed in the range formed on the round surface of each of the protection protrusions. Inside Cut with any protruding position, when located in said respective protection protrusions on the extension of the cutting line of the band, characterized in that also cut together the respective protection projections.

  ADVANTAGE OF THE INVENTION According to this invention, even if it cut | disconnects a band, since the sharp angle | corner of a cut surface does not become the state which protruded outside, it can prevent that the operator's workability | operativity will interfere as much as possible.

FIG. 2 is a perspective view of a band clamp according to the embodiment of the present invention. FIG. 2 shows one embodiment of the present invention, and is a side view of a band clamp. FIG. 2 is an enlarged plan view illustrating an embodiment of the present invention and illustrating shapes of two protective protrusions. BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view which showed one Embodiment of this invention and wound and wound the band of the band clamp around the outer periphery of the electric wire. FIG. 2A is a plan view showing a state in which the band is cut at the same protruding position as the tips of the two protective protrusions, and FIG. 2B is a plan view showing the band at the same protruding position as the tips of the two protective protrusions. It is a perspective view of the cut band clamp. FIG. 3A is a plan view of the embodiment of the present invention, in which FIG. 4A is a protruding position between a range formed on a radius surface of two protection protrusions, and a band and two protection protrusions are cut, and FIG. It is a perspective view of the band clamp which cut | disconnected the band and the two protection projections in the projection position between the range formed in the round surface of two protection projections. It is a perspective view of a band clamp showing a conventional example. It is sectional drawing which shows the prior art example and demonstrates the cutting position of the band of a band clamp.

  An embodiment of the present invention will be described below with reference to FIGS.

  As shown in FIGS. 1 and 2, the band clamp A includes a band 1 wound around an electric wire (wire bundle) W, a band locking portion 2 to which a base end of the band 1 is fixed, and a band fixing portion 2. And a clip portion 3 which is locked to a vehicle body as a mounted member. The band clamp A is a component made of a synthetic resin material having flexibility.

  The band 1 is long and has a length that allows the wire (wire bundle) W having the largest diameter to be used to be wound. On one surface of the band 1, locking grooves 1a are formed continuously at equal intervals in the length direction.

  The band locking portion 2 has a band through hole 2a through which the band 1 penetrates, and a locking portion 2b which locks the band 1 penetrated through the through hole 2a.

  As shown in detail in FIG. 3, the band locking portion 2 is provided with two (a pair of left and right) protection protrusions 4 projecting from both outer positions on the outlet side of the band through hole 2a. Each protection projection 4 is formed as a round surface 4a, in other words, a circular arc surface that bulges outward from the distal end surface to the outer peripheral surface (the opposite surface when the surface on the band through hole 2a side is the inner peripheral surface). ing. The band 1 is passed between the inner peripheral surfaces of the two protection protrusions 4, and the gap between both end surfaces of the band 1 and each of the protection protrusions 4 is formed to such a size that the operator's finger or the like cannot enter at all. Have been.

  The clip part 3 has a panel holding part 3a and a pair of elastic locking arms 3b protruding from the panel holding part 3a. The pair of elastic locking arms 3b are provided so as to be elastically deformable in a direction in which a distance between them is reduced. A pair of elastic locking arms 3b are provided with locking claws 3c. The clip portion 3 is attached to a mounting hole (not shown) of a vehicle body (not shown) by utilizing elastic deformation of the pair of elastic locking arms 3b.

  Next, an operation of attaching the band clamp A to the electric wire (wire bundle) W will be described. First, as shown in FIG. 4, the band 1 is wound around the outer periphery of the electric wire W, the distal end side of the band 1 is passed through the band through hole 2 a, and the outer periphery of the electric wire W is fastened with the band 1. The locking groove 1a corresponding to the locking portion 2b of the band locking portion 2 is locked in the band 1 that has passed through the band through hole 2a. Therefore, the band 1 holds the tightened position.

  Next, a surplus portion of the band 1 protruding from the exit side of the band through hole 2a is cut. The cutting position of the band 1 protruding from the band through hole 2a is set to be a protruding position within the range E formed on the round surface 4a of each protection protrusion 4. When each of the protection projections 4 is located on an extension of the cutting line of the band 1, the protection projections 4 are also cut together.

  Specifically, when the cutting position is the protruding position of C1 in FIG. 3, only the band 1 is cut, and at an arbitrary protruding position between C1 (excluding C1) and C2 in FIG. Will be disconnected.

  A cut surface in the case where the band 1 is cut at the position of C1 in FIG. As shown in FIGS. 5A and 5B, the angle of the cut surface 1b of the band 1 is a sharp angle (90 degrees) e1, and the sharp angles e1 are arranged at both outer positions. Since the protective projections 4 are protected by the two protective projections 4 and the outer peripheral surface of each protective projection 4 is the round surface 4a, the sharp angle e1 does not protrude to the outside. Therefore, it does not hinder the work of the worker.

  A cut surface when the band 1 is cut at an arbitrary projecting position between C1 (excluding C1) and C2 in FIG. 3, that is, a position where each protective protrusion 4 is located on an extension of a cutting line of the band 1, will be described. . In this case, the two protection projections 4 are also cut at the same time. Then, as shown in FIGS. 6A and 6B, the angle of the cut surface 1b of the band 1 is a sharp angle (an angle having an angle of 90 degrees or less) e1, and the sharp angle e1 is , Are protected by two protective projections 4 arranged at both outer positions. Further, a corner b is formed on each protective projection 4 by the cut surface 4b. However, the corner b is an obtuse angle since the outer peripheral surface of the protective projection 4 is the round surface 4a, and in this case also, the sharp angle e1 does not protrude to the outside. Therefore, it does not hinder the work of the worker.

  As described above, the band clamp A includes the band 1 wound around the electric wire W, the band 1 having the base end thereof fixed, and the band through-hole 2a through which the band 1 passes, and the band 1 penetrating through the band through-hole 2a. And a clip portion 3 fixed to the band locking portion 2 and locked to the vehicle body. The band locking portion 2 has both outer sides on the exit side of the band through hole 2a. Two protection protrusions 4 protruding from the position are provided, and each protection protrusion 4 is formed on a round surface 4a from the front end surface to the outer peripheral surface.

  Therefore, the band 1 protruding from the outlet side of the band through-hole 2a is cut at an arbitrary protruding position within the range formed on the round surface 4a of each protection projection 4, and each protection line is extended along the cutting line of the band 1. When the protective projections 4 are located on the projections 4, the corners of the end faces of the cut portions of the band 1 are protected by the two protective projections 4 arranged at both outer positions by cutting the protective projections 4 together. Since the outer peripheral surface of each protective projection 4 is the round surface 4a, the sharp angle e1 does not protrude to the outside. As described above, it is possible to prevent the workability of the worker from being affected as much as possible.

  As described in the above embodiment, the band 1 is usually cut parallel to the exit surface of the band through hole 2a (in the direction perpendicular to the direction in which the protection projection 4 projects) within the range E. However, when the band 1 is cut obliquely within the range E, there is a possibility that one corner e1 is a sharp angle (an angle smaller than 90 degrees) and the other angle e1 is an obtuse angle. In that case, one corner e1 is protected by the protection projection 4.

A band clamp 1 band 2 band locking portion 2a band through hole 3 clip portion 4 protection protrusion 4a radius surface

Claims (2)

A band wrapped around the wire,
A base end of the band is fixed, has a band through hole through which the band penetrates, and a band locking portion that locks the band through the band through hole,
A clip portion fixed to the band locking portion and locked to the attached member,
The band locking portion is provided with two protection protrusions protruding from both outer positions on the outlet side of the band through-hole, and each protection protrusion is formed on a round surface from a distal end surface to an outer peripheral surface. A band clamp characterized in that: A band to be wound around an electric wire, a base end of the band being fixed, a band through hole through which the band passes, and a band locking portion for locking the band passing through the band through hole; And a clip portion that is fixed to the portion and that is locked to the member to be mounted. The band locking portion is provided with two protection protrusions protruding from both outer positions on the outlet side of the band through-hole. The projection is a mounting method of the band clamp formed on the round surface from the distal end surface to the outer peripheral surface,
The end of the band wound around the electric wire is passed through the band through-hole, the penetrated band is locked by the band locking portion, and then the band protruding from the outlet side of the band through-hole is removed. Cutting at an arbitrary protruding position within a range formed on the round surface of each of the protective protrusions, and when the protective protrusions are located on an extension of a cutting line of the band, the protective protrusions are also included. A method of mounting a band clamp, characterized by cutting.

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