JP2009004179A - Wire holder - Google Patents

Abstract

The present invention provides an electric wire holder having improved workability when holding an electric wire.
Each arcuate portion 31 can be individually assembled with a main body 26 by fitting a claw portion 33 into a fitting recess 34. Thereby, the three electric wires 14 led out from the housing 11 can be held in the electric wire accommodating portion 38 while being individually positioned. Thereby, the work efficiency at the time of hold | maintaining the electric wire 14 in the electric wire holder 10 can be improved.
[Selection] Figure 10

Description

  The present invention relates to an electric wire holder.

Conventionally, the thing of patent document 1 is known as an electric wire holder. In this document, this also functions as a rubber plug holder that prevents the rubber plug fitted in the housing from coming off. This electric wire holder is formed by connecting the ends of a pair of halves with hinges. The halves are joined together in a state where the electric wire is sandwiched between the pair of halves, and the electric wire holder is attached to the housing in this state, whereby the electric wire is held.
JP 2005-129356 A

  In the housing described above, cavities for accommodating the terminal fittings arranged at the ends of the three electric wires are formed side by side in the left-right direction (horizontal direction). For this reason, since the wires led out from the cavity are also led side by side in the left-right direction, each wire can be easily clamped between the halves with the wires arranged in the left-right direction so that the wires can be easily held by the wire holder. Can hold.

  However, according to the above configuration, since the cavities are formed side by side in the left-right direction (horizontal direction), it is difficult to reduce the width dimension of the housing in the left-right direction. Therefore, in order to reduce the size of the housing, for example, it is considered to form three cavities for accommodating the respective terminal fittings arranged at the ends of the three electric wires so as to be positioned approximately at the apex of the equilateral triangle. It is done.

  However, according to the above-described configuration, the electric wire led out from the cavity formed in the housing is arranged approximately at the position of the apex of the triangle as viewed from the lead-out direction of the electric wire. It is difficult to hold the three electric wires in such a positional relationship with the electric wire holder while aligning the respective positions.

  This invention is completed based on the above situations, Comprising: It aims at providing the electric wire holder which improved the workability | operativity at the time of hold | maintaining an electric wire.

  According to the present invention, the three wire outlets for leading out the three wires are attached to a connector housing formed so as to be positioned at each vertex of a substantially equilateral triangle when viewed from the lead-out direction of the wires. An electric wire holder for holding an electric wire, comprising: a main body arranged in the vicinity of the electric wire; and three electric wire holding portions that can be individually attached to the main body, and between the main body and the electric wire holding portion The said electric wire is hold | maintained in the electric wire accommodating part formed in this.

  According to the present invention, each of the three electric wires led out from the connector housing can be held while being individually positioned in the electric wire housing portion. Thereby, the work efficiency at the time of hold | maintaining an electric wire to an electric wire holder can be improved.

The following configuration is preferable as an embodiment of the present invention.
The electric wire clamping portion may be integrally formed by being connected to the main body by a hinge. According to said structure, since the electric wire holder is formed integrally, the assembly | attachment operation | work of an electric wire is easy compared with the case where a main body and an electric wire clamping part are separate bodies.

  Each electric wire accommodating portion may be provided at the position of each apex of a substantially equilateral triangle corresponding to the positional relationship between the electric wire outlets formed in the connector housing. According to said structure, since it is not necessary to bend the electric wire led out from the electric wire outlet port largely, positioning of an electric wire is easy.

  The main body is provided with a first concave portion in a region facing the electric wire holding portion in a state where the electric wire holding portion is attached, and a second concave portion is provided in a region facing the main body in the state attached to the main body in the electric wire holding portion. May be provided. Moreover, the 1st recessed part may be provided in the area | region which faces an electric wire clamping part in the state in which the electric wire clamping part was attached to the main body. Moreover, the 2nd recessed part may be provided in the area | region facing a main body in the state attached to the main body at the electric wire clamping part.

  According to said structure, it can position easily with respect to an electric wire holder by making an electric wire contact | abut to a 1st recessed part or a 2nd recessed part.

  ADVANTAGE OF THE INVENTION According to this invention, workability | operativity at the time of hold | maintaining an electric wire to an electric wire holder can be improved.

  An embodiment of the present invention will be described with reference to FIGS. The electric wire holder 10 according to the present invention is used by being attached to a connector housing (hereinafter referred to as a housing) 11. As shown in FIG. 1, a synthetic resin housing 11 is formed with three cavities 13 for receiving terminal fittings 12 extending in the left-right direction in FIG. In each cavity 13, the terminal fitting 12 that is crimped to the end of the electric wire 14 is inserted from the left in FIG. 1. The electric wire 14 is formed by surrounding the outer periphery of the core wire 15 with an insulating coating 16. An elastically deformable lance 17 projects from the inner wall of the cavity 13, and the terminal fitting 12 is held in a state of being prevented from coming off by engaging the lance 17 with the bottom wall of the terminal fitting 12.

  The left end edge of each of the three cavities 13 is an electric wire outlet 19 through which the electric wire 14 is led out from the housing 11. As shown in FIG. 2, the three electric wire outlets 19 are provided at the positions of the apexes of a substantially square on the left end surface of the housing 11.

  A cylindrical waterproof rubber plug 18 is externally fitted in a liquid-tight manner on the outer periphery of the cylindrical electric wire 14. The outer peripheral surface of the waterproof rubber plug 18 is in liquid tight contact with the inner peripheral surface of the wire outlet port 19. The waterproof rubber plug 18 seals between the electric wire 14 and the inner surface of the electric wire outlet 19.

  In the left end portion of the housing 11 in FIG. 1, a wire holder accommodating portion 20 for attaching the wire holder 10 is recessed. As shown in FIG. 2, the electric wire holder accommodating portion 20 has a substantially equilateral triangular shape with rounded corners, and can accommodate the electric wire holder 10. The electric wire holder 10 has a function of holding the electric wire 14 and also has a function as a rubber plug holder for restricting the waterproof rubber plug 18 from detaching to the left of the housing 11.

  As shown in FIGS. 3 and 4, the electric wire holder 10 is a plate-like member made of synthetic resin, and has a substantially equilateral triangular shape with rounded corners when viewed from the direction penetrating the paper surface of FIG. 3. An engagement protrusion 22 that can be engaged with an engagement hole 21 (see FIG. 5) provided in the housing 11 is provided in the vicinity of the position corresponding to the apex of the triangle in the outer edge portion of the wire holder 10. . The engaging protrusions 22 are formed on elastically deformable pieces 23 that can be elastically deformed. The elastic bending piece 23 is formed extending leftward from the right end edge of the electric wire holder 10 in FIG. The elastic bending piece 23 can be elastically bent in the vertical direction in FIG. 5, for example. In the elastic bending piece 23 shown in FIG. 5, an engaging protrusion 22 is provided on the lower surface of the elastic bending piece 23 so as to protrude downward. The right side surface of the engaging protrusion 22 is a gently tapered surface 24 and the left side surface is an upright receiving surface 25. When a force in the direction of separating from the housing 11 (left side in FIG. 5) is applied to the electric wire holder 10, the receiving surface 25 comes into contact with the inner wall of the engagement hole 21 from the left side, whereby the electric wire holder 10 Is kept in a retaining state.

  As shown in FIGS. 6 and 7, the electric wire holder 10 includes one main body 26 and three electric wire holding portions 27 that can be individually attached to the main body 26. As shown in FIG. 3, the main body 26 includes a base portion 28 located inside a region where the axes of the three electric wires 14 are connected, and three arm portions 29 provided so as to extend from the base portion 28 toward the electric wires 14. With.

  As shown in FIGS. 6 and 7, each arm portion 29 extends radially from the base portion 28 and has a semicircular arc shape as a whole. An electric wire holding portion 27 is connected to an end portion of each arm portion 29 via a hinge 35. Thereby, the main body 26 and the electric wire clamping part 27 are integrally formed. Further, the electric wire holding portion 27 is rotatable with respect to the main body 26 with the hinge 35 as a fulcrum. The elastic bending piece 23 and the engagement protrusion 22 described above are provided on the arm portion 29.

  As shown in FIG. 8, the wire holding portion 27 has a frame 30 that forms a part of a substantially triangular shape when the wire holding portion 27 is attached to the main body 26, and the electric wire holding portion 27 is attached to the main body 26. An arc-shaped portion 31 that protrudes from the frame 30 to the inside of the electric wire holder 10 and has a substantially arc shape is provided.

  As shown in FIG. 3, the tip of each arcuate portion 31 and the main body 26 are in areas where the tip of each arcuate portion 31 and the main body 26 come into contact with each other in a state where the electric wire clamping portion 27 is assembled to the main body 26. The mating surfaces 32A and 32B are formed. Each arcuate portion 31 is provided with a claw portion 33 protruding from the mating surface 32B. On the other hand, the main body 26 is formed with a fitting recess 34 in the mating surface 32A. In a state where the electric wire holding portion 27 is assembled to the main body 26, the claw portion 33 is fitted in the fitting concave portion 34, and the arc-shaped portion 31 is restricted from being displaced in the opening direction with the hinge 35 as a fulcrum. With the above configuration, each arcuate portion 31 can be individually assembled with the main body 26 by fitting the claw portion 33 into the fitting recess 34.

  As shown in FIG. 3, in a state where the claw portion 33 of the arc-shaped portion 31 is fitted in the fitting concave portion 34 of the main body 26, the first concave portion 36 is formed on the surface of the arm portion 29 facing the arc-shaped portion 31. Is formed. The arc-shaped portion 31 has a second recess 37 formed on the surface facing the arm portion 29. In a state where the electric wire holding portion 27 and the main body 26 are assembled, the electric wire housing portion 38 having a substantially circular cross section is formed by the first concave portion 36 of the arm portion 29 and the second concave portion 37 of the arc-shaped portion 31. . The inner diameter of the electric wire housing portion 38 is set to be substantially the same as or slightly larger than the outer diameter of the electric wire 14.

  As shown in FIG. 9, the base portion 28, the arm portion 29, the frame 30, and the arc-shaped portion 31 are formed with a lightening portion 39. Thereby, the sink of the electric wire holder 10 is prevented.

  Next, the operation and effect of this embodiment will be described. As described above, the electric wire outlet 19 of the housing 11 is arranged so as to be positioned at each vertex of a substantially equilateral triangle when viewed from the electric wire 14 outlet direction (see FIG. 2). For this reason, the three electric wires 14 are led out from the housing 11 in such an arrangement that a substantially equilateral triangle is formed when the axes of the electric wires 14 are connected.

  First, as shown in FIGS. 6 and 7, the engagement between the claw portion 33 of the arcuate portion 31 and the fitting recess 34 of the main body 26 is released. Next, the base portion 28 of the electric wire holder 10 is inserted inside the region where the axes of the three electric wires 14 are connected. Thereafter, one of the electric wires 14 is positioned in contact with the first recess 36 of one arm portion 29. In this state, with the hinge 35 as a fulcrum, the wire holding portion 27 connected to the arm portion 29 in contact with the wire 14 is rotated to the base portion 28 side. Then, the mating surface 32B of the arcuate portion 31 and the mating surface 32A of the main body 26 are brought into contact with each other. At this time, the claw portion 33 of the arc-shaped portion 31 is fitted into the fitting recess 34 of the main body 26, and the arc-shaped portion 31 is restricted from being opened and displaced with the hinge 35 as a fulcrum.

  In the above case, one electric wire 14 may be positioned in contact with the second concave portion 37 of one arcuate portion 31. In this case, with the electric wire 14 in contact with the second concave portion 37 of the arc-shaped portion 31, the electric wire clamping portion 27 is rotated to the base portion 28 side with the hinge 35 as a fulcrum, and the claw portion 33 of the arc-shaped portion 31. Is fitted into the fitting recess 34 of the main body 26.

  As described above, in a state where the claw portion 33 of the arc-shaped portion 31 and the fitting concave portion 34 of the main body 26 are fitted, it is formed between the first concave portion 36 of the arm portion 29 and the second concave portion 37 of the arc-shaped portion 31. The electric wire 14 is held in the electric wire accommodating portion 38 thus formed. Thereby, the one electric wire 14 is positioned individually by the one electric wire accommodating part 38 (refer FIG. 10).

  Next, as shown by a one-dot chain line in FIG. 10, the second electric wire 14 is positioned by the electric wire accommodating portion 38 in the same manner as described above. Further, similarly, the third electric wire 14 is also positioned by the electric wire accommodating portion 38 (see FIG. 3).

  In a state where the three electric wires 14 are held by the electric wire holder 10, the electric wire holder 10 is displaced to the housing 11 side and is accommodated in the electric wire holder accommodating portion 20 of the housing 11. At this time, the engagement protrusion 22 of the electric wire holder 10 comes into contact with the outer wall of the housing 11, and the elastic bending piece 23 is elastically bent inward in the thickness direction. When the electric wire holder 10 is further pushed into the housing 11, the elastic bending piece 23 is restored and deformed, and the engagement protrusion 22 is fitted into the engagement hole 21 of the housing 11. Thereby, the electric wire holder 10 is hold | maintained in the housing 11 in the retaining state. In this manner, the three electric wires 14 led out from the housing 11 are held by the electric wire holder 10.

  As described above, according to the present embodiment, the three electric wires 14 led out from the housing 11 can be held in the electric wire accommodating portion 38 while being individually positioned. Thereby, the work efficiency at the time of holding the electric wire 14 in the electric wire holder 10 can be improved.

  Moreover, since the electric wire clamping part 27 is integrally formed by being connected by the main body 26 and the hinge 35, the assembling work of the electric wire 14 can be performed as compared with the case where the main body 26 and the electric wire clamping part 27 are separate bodies. Easy.

  In addition, each electric wire accommodating portion 38 is provided at the position of each vertex of a substantially equilateral triangle corresponding to the positional relationship between the electric wire outlets 19 formed in the housing 11. Thereby, since it is not necessary to bend the electric wire 14 led out from the electric wire outlet 19 largely, positioning of the electric wire 14 is easy.

  The arm portion 29 is provided with a first recess 36 in a region facing the wire holding portion 27 in a state where the electric wire holding portion 27 is attached, and the arm 29 is attached to the main body 26 in the state where the electric wire holding portion 27 is attached. A second recess 37 is provided in a region facing the portion 29. Thereby, the electric wire 14 can be easily positioned with respect to the electric wire holder 10 by contacting the first concave portion 36 or the second concave portion 37.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the present embodiment, the first recess 36 is formed in the main body 26 (arm portion 29), and the second recess 37 is formed in the wire holding portion 27 (arc-shaped portion 31). However, the first recess 36 may be formed only in the main body 26, and the second recess 37 may be formed only in the wire holding portion 27.
(2) In the present embodiment, the main body 26 and the electric wire holding part 27 are connected by the hinge 35.
(3) In this embodiment, although the electric wire accommodating part 38 was distribute | arranged so that it might be located in the vertex of a substantially equilateral triangle, it is not restricted to this, For example, you may arrange | position in a line and clamp the main body 26 and electric wire. As long as the part 27 can be attached individually, it may be provided in any arrangement.

Sectional drawing which shows the state which attached the electric wire holder which concerns on this embodiment to the housing Front view of the housing viewed from the lead-out side of the wire Front view showing the wire holder with the wire held Side view of wire holder The principal part expanded sectional view which shows the fitting structure of an electric wire holder and a housing The front view which shows the electric wire holder of the state which removed the fitting of a nail | claw part and a fitting recessed part The rear view which shows the electric wire holder of the state which removed the fitting of a nail | claw part and a fitting recessed part The rear view which shows the electric wire holder of the state which made the nail | claw part and the fitting recessed part fit. Overall perspective view of the wire holder Front view showing the process of holding the wire in the wire holder

Explanation of symbols

10 ... Electric wire holder 11 ... Housing (connector housing)
DESCRIPTION OF SYMBOLS 14 ... Electric wire 19 ... Electric wire outlet 26 ... Main body 27 ... Electric wire clamping part 35 ... Hinge 36 ... 1st recessed part 37 ... 2nd recessed part
38 ... Electric wire housing part

Claims (6)

Three electric wire outlets for extracting three electric wires are attached to a connector housing formed so as to be positioned at each vertex of a substantially equilateral triangle when viewed from the electric wire outlet direction to hold the electric wires. An electric wire holder,
A main body disposed in the vicinity of the electric wire; and three electric wire holding portions that can be individually attached to the main body, and the electric wire is contained in the electric wire housing portion formed between the main body and the electric wire holding portion. Wire holder to hold the. The electric wire holder according to claim 1, wherein the electric wire clamping portion is integrally formed by being connected to the main body by a hinge. 3. The electric wire according to claim 1, wherein each electric wire housing portion is provided at a position of each vertex of a substantially equilateral triangle corresponding to a positional relationship between the electric wire outlets formed in the connector housing. holder. The main body is provided with a first recess in a region facing the electric wire holding portion in a state where the electric wire holding portion is attached, and is opposed to the main body in a state where the electric wire holding portion is attached to the main body. The electric wire holder as described in any one of Claim 1 thru | or 3 by which the 2nd recessed part is provided in the area | region. The electric wire holder according to any one of claims 1 to 3, wherein the main body is provided with a first recess in a region facing the electric wire holding portion in a state where the electric wire holding portion is attached. The electric wire holder as described in any one of Claim 1 thru | or 3 with which the 2nd recessed part is provided in the area | region facing the said main body in the state attached to the said main body in the said electric wire clamping part.

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