JP2017152095A - Protection structure of connector connection portion - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a protection structure of a connector connection portion that can protect, with a singular protection member, a range from a part spread out like a fan of a male connector-side electric wire bundle to a part spread-out like a fan of a female connector-side electric wire bundle, and allows work for fastening male and female connectors by covering the connectors with the protection member to be performed easily in a short time, leading to cost reduction.SOLUTION: In a connector connection portion C, in which a male connector 1 and a female connector 2 are connected to each other, which has a fan-shaped portion 5, an electric wire terminal portion of a male connector-side electric wire bundle 3 and a fan-shaped portion 6, an electric wire terminal potion of a female connector-side electric wire bundle 4, a middle part 7c of a braided tube 7, which is enlarged in diameter so as to have a cross section area in which can be stored the connectors when compressed in a shaft direction, is enlarged in diameter, covers, in a diameter enlarged state, a range from the fan-shapes portion 5, the electric wire terminal portion of the male connector-side electric wire bundle 3 to the fan-shaped portion 6, the electric wire terminal portion of the female connector-side electric wire bundle 4, and an end part 7b of the tube is fastened in the vicinity of the fan-shaped portion 6, the electric wire terminal portion of the female connector-side electric wire bundle 4, by a tape rewinding fastening portion 8.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a protective structure for a connector connecting portion.

  Conventionally, when connecting a large number of wires to a connector, tape the wires to the vicinity of the connector to form a bundle of wires, and if necessary, cover the bundle of wires with a corrugated tube. By winding the tape and spreading the end into a fan shape, inserting the terminal provided with the end of the electric wire into the terminal receiving hole of the connector, and winding the tape around the fan-shaped extended portion of the electric wire and the outer peripheral surface of the connector near the electric wire The electric wire is protected (for example, refer to Patent Document 1).

  In FIG. 2 of Patent Document 2, a male connector and a female connector are connected, and a cylindrical male electric wire protector fixed with an adhesive tape to an electric wire connected to the male connector, and connected to the female connector. A cylindrical female-side wire protector fixed to the electric wire with an adhesive tape is stacked on the outer periphery of the male connector to protect the male connector and the female connector. The wire protector has a cup shape made of rubber or elastomer so that water can be stopped.

  FIG. 3 shows a protection structure for a connector connecting portion according to a conventional example. The male connector 11 and the female connector 12 are connected to each other, and the electric wire fan 13 of the electric wire bundle 13 connected to the male connector 11 is connected to the male connector 11a. The cable 11 has a wire protector 14 formed by winding an adhesive tape made of vinyl chloride over the outer peripheral surface of the connector 11 near the wire, and from the fan-shaped portion 15 a of the wire bundle 15 connected to the female connector 12 to the female connector 12. It has the electric wire protection part 16 which winds the cotton adhesive tape over the outer peripheral surface near an electric wire.

JP 2013-187004 A JP 2010-165523 A

  According to the protective structure of the connector connecting portion disclosed in Patent Document 2, the connector connecting portion is hermetically sealed using two types of wire protectors that are molded bodies made of rubber or elastomer. The cost is high, and it takes time to fix the wire protectors to the wires and to fit the wire protectors together. Moreover, when water stop is unnecessary, there existed a problem that said electric wire protector became an over specification.

  Further, according to the connector connecting portion protection structure shown in FIG. 3, when the connectors 11 and 12 are connected to each other, the wire protecting portion 14 formed by winding the cotton adhesive tape on the male connector 11 side is connected to the male connector 11 and the female connector 11. There is a problem that the connector 11 and the connector 12 may not be well connected due to being caught in the mating surface with the connector 12.

  The present invention has been made in order to solve the above-described problems. The range from the fan-shaped spread portion of the electric wire connected to the male connector to the fan-shaped spread portion of the electric wire connected to the female connector is simply An object of the present invention is to provide a connector connecting portion protection structure that can be protected by a single protective member and can be carried out in a short time and easily by fixing the protective member over the male and female connectors, thereby reducing the cost. It is said.

  In order to achieve the above object, the connector connector protective structure according to the present invention is configured so that the male connector and the female connector are connected to each other, the fan-shaped portion that is the wire terminal portion of the male connector-side wire bundle, and the female connector-side wire bundle. In the connector connection part that has a fan-shaped part that is an electric wire terminal part, the middle part excluding the ends on both sides of the braided tube that expands to have a cross-sectional area that can accommodate the connector when compressed in the axial direction is compressed in the cylindrical axis direction In a state where the diameter has been expanded by covering the range from the fan-shaped portion that is the wire end portion of the male connector-side wire bundle to the fan-shaped portion that is the wire end portion of the female connector-side wire bundle, one side of the braided tube or The said edge part of both sides is the structure currently fixed with the tape winding fixing | fixed part or the band in the vicinity of the fan-shaped part which is the electric wire terminal part of the electric wire of the both sides of a connector connection part.

  With this configuration, the connector connecting portion protection structure according to the present invention uses a braided tube that expands in diameter so as to have a cross-sectional area that can accommodate the connector when compressed in the axial direction. One end side of the braided tube is expanded to cover the male connector or the female connector, and further, the end of the braided tube is covered with the electric wire beyond the fan-shaped portion, and the braided tube is not expanded at least. One end is fixed by a tape winding fixing part or a band.

  According to the present invention, the range from the fan-shaped spread portion of the electric wire connected to the male connector to the fan-shaped spread portion of the electric wire connected to the female connector can be protected by the single protective member, It is possible to provide a protective structure for a connector connection portion that can be carried out in a short time and easily by fixing the cover on the male and female connectors, leading to cost reduction.

It is a front view which notches and shows a part about the protection structure of the connector connection part which concerns on embodiment of this invention. It is a front view which shows the protection structure of the connector connection part which concerns on embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS The braided tube used for the protection structure of the connector connection part which concerns on embodiment of this invention is shown, (a) A figure is an expanded partial view which shows the braided state when the compressive force of an axial direction is not added to a braided tube. FIG. 4B is an enlarged partial view showing a braided state when an axial compressive force is applied to the braided tube. It is a front view which shows the protection structure of the conventional connector connection part.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a protection structure for a connector connecting portion according to an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2, the connector connecting portion C is provided at the end portion of the electric wire 4 with the male terminal provided at the end portion of the male connector side electric wire bundle 3 being accommodated in the terminal accommodating hole of the male connector 1. The female terminals thus received are accommodated in the terminal accommodating holes of the female connector 2, the male connector 1 and the female connector 2 are connected to each other, and the male terminal and the female terminal are connected inside the connector. The male connector side electric wire bundle 3 has a fan-shaped portion 5 which is an electric wire terminal portion. The female connector side electric wire bundle 4 has a fan-shaped portion 6 that is an electric wire terminal portion.

  The connector connecting portion C having the above configuration is covered with the braided tube 7. When the braided tube 7 is compressed in the axial direction, a tube whose diameter is increased so as to have a cross-sectional area that can accommodate the connector of the male connector 1 and the female connector 2 is applied. The braided tube 7 has a fan-shaped portion 5 which is a wire end portion of the male connector-side wire bundle 3 in a state where the middle portion 7c excluding the end portions 7a and 7b on both sides is expanded in diameter by being compressed in the cylinder axis direction. To the fan-shaped portion 6 that is the wire terminal portion of the female connector-side wire bundle 4. The ends 7a and 7b on both sides of the braided tube 7 are covered with the male connector side electric wire bundle 3 and the female connector side electric wire bundle 4 in a state where the diameter is not expanded.

  The braided tube 7 has one end portion 7 b fixed by a tape winding fixing portion 8 at a position in the vicinity of the fan-shaped portion 6 that is a wire terminal portion of the female connector-side wire bundle 4. When the end portion 7 b is tightened by the tape winding fixing portion 8, the end portion 7 b extends in the cylinder axis direction and is reduced in diameter, and is in close contact with the female connector side electric wire bundle 4. Thereby, the end portion 7 b is firmly fixed to the female connector side electric wire bundle 4 by the tape winding fixing portion 8. In addition, you may provide the tape winding fixing | fixed part 8 with respect to the edge parts 7a and 7b of the both sides of the braided tube 7. FIG. Further, it may be tightened with a band instead of the tape winding fixing portion 8.

  As shown in FIG. 3A, the braided tube 7 is composed of, for example, four resin yarns having elasticity, insulating properties, and linearity arranged in parallel in a right-handed spiral and a left-handed spiral having a large twist angle, and a right-handed spiral. And a left-hand spiral and a braided cylinder that is knitted in a grid. As the resin yarn, for example, a nylon monofilament or polyester monofilament or multifilament with a wire diameter of 0.1 to 0.5 mm is knitted in a lattice shape. When compressive force is applied to the braided tube 7, the braided state changes from the state shown in FIG. 3A to the state shown in FIG. 3B as shown in FIG. 3B. The diameter is increased, and when the diameter is increased, a diameter that allows the connector to be inserted into the tube is used. In order to increase the diameter expansion when compressed in the axial direction, the number of resin yarns arranged in parallel is increased, or a gap is provided between the resin yarns. The braided tube 7 is manufactured by the braiding machine and the method for manufacturing the braided wire disclosed in Japanese Patent Application Laid-Open No. 2016-17256. A commercial product may be used for the braided tube 7. For example, NFL tubes of model numbers such as NFL-12, NFL-19, NFL-25, and NFL-30 from Denka Electron Co., Ltd. are used as braided tubes that do not loosen yarn at the ends when they are cut beautifully with scissors. be able to.

  The protective structure of the connector connecting portion of the above configuration is to insert the fan-shaped portion of the electric wire into the braided tube and complete the connection between the male connector and the female connector before connecting the fan-shaped portion of one electric wire and the connector. The braided tube may be covered with the connector connecting portion so as to expand the diameter, and at least one end of the braided tube may be fixed with a tape winding fixing portion or a band.

  The protective structure of the connector connecting portion having the above-described structure has a single range from the fan-shaped portion 5 that is the wire end portion connected to the male connector 1 to the fan-shaped portion 6 that is the wire end portion connected to the female connector 2. It can be protected by the braided tube 7 which is a protective member. The braided tube 7 is covered with the male and female connectors 1 and 2 and the end portion 7b of the braided tube 7 is fixed to the female connector side electric wire bundle 4. This can be done in a short time and easily, leading to cost reduction.

  According to the present invention, the range from the fan-shaped spread portion of the electric wire connected to the male connector to the fan-shaped spread portion of the electric wire connected to the female connector can be protected by the single protective member, This is advantageous in that it can be carried out in a short time and easily to fix the cover on the male and female connectors, leading to cost reduction, and is useful for the overall connector connection protection structure.

DESCRIPTION OF SYMBOLS 1 Male connector 2 Female connector 3 Male connector side electric wire bundle 4 Female connector side electric wire bundle 5,6 Fan-shaped part 7 Braided tube 7a, 7b End part 7c Middle part 8 Tape winding fixing part C Connector connection part

Claims (1)

  In the connector connecting portion in which the male connector and the female connector are connected to each other, and have a fan-shaped portion that is a wire end portion of the male connector-side wire bundle and a fan-shaped portion that is a wire end portion of the female connector-side wire bundle, The wire end of the male connector side wire bundle with the diameter expanded by compressing the middle part except the ends on both sides of the braided tube that expands to have a cross-sectional area that can accommodate the connector when compressed. The end of one side or both sides of the braided tube is covered with the end of the electric wire on both sides of the connector connecting portion. A protective structure for a connector connecting portion, which is fixed by a tape winding fixing portion or a band at a position near the fan-shaped portion.

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