JP2013125754A - Fixing structure of electric connection part, connector, and connection method of connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing structure of an electric connection part, a connector, and a connection method of the connector which improves connection work for connecting an electric connection part provided at a terminal of a shielded electric wire and an electric connection part provided at a shielded apparatus.SOLUTION: A fixing structure of an electric connection part connects an electric connection part 3 of a shield electric wire 22 with an electric connection part 41 of a shield housing 51a and fixes the connection part 3 thereto. The fixing structure of the electric connection part includes: an electric insulative annular member 8 provided so as to slide along an outer peripheral surface of the electric connection part 3 of the shield electric wire 22; a conductive fixing member 9 provided at an outer peripheral surface of the annular member 8 and fixed to the shield housing 51a; and a shield member 11 covering the electric wire 22 and mechanically and electrically connected with the fixing member 9. The shield member 11 deflects and deforms as the annular member 8 slides.

Description

  The present invention relates to a fixing structure of an electric connecting portion for connecting and fixing an electric connecting portion of a shielded electric wire to an electric connecting portion of a shield casing, and a fixing structure of the electric connecting portion to an electric connecting portion of a shield casing. And a connection method of the connector.

  In the non-contact power feeding system proposed by the applicant of the present application as an example (see, for example, Patent Document 1), as shown in FIG. 6, the electrical connection of the shielded electric wire 101 to the electrical connection portion 111 of the shield housing 120 is performed. The fixing structure of the electric connection part which connects and fixes the part 102 is employ | adopted.

Japanese Patent Application No. 2011-96365

  However, the above-described fixing structure of the electrical connection proposed by the applicant of the present application is such that the gap L between the inner shield 122 and the outer shield 121 is wider than the electrical connection 102, thereby Since the circuit is prevented from being short-circuited due to contact with the outer shield 121, when connecting the electrical connection portion 102 of the shielded electric wire 101 to the electrical connection portion 111 of the shield housing 120, An operation for connecting the electrical connection portions 102 and 111 to the outer shield 121 has to be performed.

  In addition, since the shield member 104 is fixed to the outer shield 121 by the fixing bracket 118, the work of aligning the shield member 104 and the fixing bracket 118 with respect to the outer shield 121 has to be performed.

  As described above, since the work of connecting and fixing the electrical connection portion 102 of the shielded electric wire 101 to the electrical connection portion 111 of the shield housing 120 becomes complicated, there is a new requirement for improving the workability. occured.

  The present invention aims to solve such problems. That is, the present invention is an electrical connection portion fixing structure capable of improving the connection work of connecting the electrical connection portion provided at the end of the shielded electric wire and the electrical connection portion provided in the shielded device, It is an object of the present invention to provide a connector and a connector connection method.

  In order to solve the above problems and achieve the object, the electrical connection portion fixing structure of the present invention described in claim 1 connects the electrical connection portion of the shielded electric wire to the electrical connection portion of the shield housing. The electrical connecting portion fixing structure is fixed to the shielded electric wire, and is provided on the outer peripheral surface of the annular member. And a conductive fixing member fixed to the shield housing, and a shield member that covers the electric wire and is mechanically and electrically connected to the fixing member, wherein the shield member is the annular member It is characterized by being bent and deformed along with the slide.

  The electrical connection portion fixing structure according to a second aspect of the present invention is the electrical connection portion fixing structure according to the first aspect, wherein the fixing member has a protective cover having electrical insulation and waterproof properties. The protective cover is bent and deformed as the annular member slides.

  The electrical connection portion fixing structure according to a third aspect of the present invention is the electrical connection portion fixing structure according to the second aspect, wherein the fixing member is provided with a locking portion for locking to the protective cover. The protective cover is configured to be detachable from the locking portion.

  A connector according to a fourth aspect of the present invention is characterized in that the connector is connected to another electric connecting portion by the fixing structure of the electric connecting portion according to any one of the first to third aspects.

  A connector connection method according to a fifth aspect of the present invention is a connector connection method using the connector according to the fourth aspect, wherein the annular member is slid to the middle side in the longitudinal direction of the electric wire. The shield member is bent and the electrical connection portion is protruded, and the electrical connection portion of the shielded electric wire is fitted into the electrical connection portion of the shield housing to mechanically and electrically connect the annular member to the shield. The shield member is restored to its initial shape by sliding toward the end of the electrical connection portion of the electric wire, and the fixing member is mechanically and electrically connected to the shield housing and fixed. It is said.

  According to the fixing structure of the electrical connection portion of the present invention described in claim 1, the shield housing and the electrical connection portion of the shielded electric wire can be insulated by the annular member, and the longitudinal direction of the electric wire The shield member is bent and deformed by sliding the annular member to the middle side of the shield, and since the electrical connection portion of the shielded electric wire protrudes, the electric connection portion of the shielded electric wire is shielded from the outside of the shield housing. Since it can connect with the electrical connection part of a housing | casing, the workability | operativity of the connection work can be improved.

  Further, since the shield member connected to the fixed member is bent and deformed as the annular member slides, the shield member can be shielded via the fixed member simply by mechanically and electrically connecting the fixed member to the shield housing. It is fixed to the housing, and the workability of the fixing work can be improved.

  As described above, the workability of the connecting operation of the shielded electric connection portion can be improved and the workability of the fixing operation of the shield member can be improved. Workability at the time of connecting to the shield housing can be improved.

  According to the fixing structure of the electrical connection part of the present invention described in claim 2, the fixing member can be electrically insulated from the outside and water can be prevented from entering from the outside.

  According to the fixing structure of the electrical connection portion of the present invention described in claim 3, since the protective cover can be attached to and detached from the fixing member, the protective cover is secured when the shield member is fixed to the shield housing via the fixing member. The fixing member and the shield housing can be fixed to each other by removing the cover, and when this fixing operation is completed, the protective cover can be attached to the fixing member. For this reason, the fall of workability | operativity of the fixing operation of a fixing member can be prevented.

  The connector according to the fourth aspect of the present invention can improve the workability of the connection work of the electrical connection portion and can improve the workability of the fixing work of the shield member. Workability at the time of connecting to the electrical connection part of the body can be improved.

  According to a fifth aspect of the present invention, there is provided the connector connecting method according to the present invention, wherein the shield member is bent by sliding the annular member toward the middle portion in the longitudinal direction of the electric wire, and the electric connecting portion is protruded. The shield is formed by mechanically and electrically connecting the electrical connection portion of the shielded electric wire to the connection portion and sliding the annular member toward the end of the electrical connection portion of the shielded electric wire. Since the member is restored to the initial shape and the fixing member is mechanically and electrically connected and fixed to the shield housing, the connector can be connected to the electrical connection portion of the shield housing by a simple operation. At the same time, the workability of the connection work is improved.

It is a schematic diagram for demonstrating the resonance-type non-contact electric power feeding system provided with the connector concerning one Embodiment of this invention. It is sectional drawing for demonstrating the structure of the connector concerning one Embodiment of this invention. FIG. 3 is a cross-sectional view of the connector shown in FIG. It is sectional drawing for demonstrating the connection operation of the connector concerning one Embodiment of this invention, and a power transmission coil part. It is sectional drawing of the connection state of the connector concerning one Embodiment of this invention, and a power transmission coil part. It is sectional drawing of the connection state of the conventional power transmission side coaxial connector and a power transmission coil part.

  Embodiments of the present invention will be described below with reference to the accompanying drawings. The embodiments of the present invention described below are merely representative embodiments of the present invention, and the present invention is not limited to the embodiments. Therefore, the present invention can be implemented with various modifications within the scope not departing from the gist of the present invention, that is, those that can be easily assumed by those skilled in the art, substantially the same, and so-called equivalent ranges.

  FIG. 1 is a schematic diagram of a resonant non-contact power feeding system 50 including a connector 1 according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the connector 1 according to one embodiment of the present invention. FIG. 3 is a cross-sectional view of the connector 1 according to an embodiment of the present invention taken along the line AA.

  As shown in FIG. 1, a connector 1 according to an embodiment of the present invention has a transmission-side transmission for supplying high-frequency power output from a high-frequency power supply 52 to a power transmission coil unit 51 in a resonance-type non-contact power supply system 50. It is provided at the terminal of the cable 4.

  The resonance type non-contact system 50 is applied to a power feeding system in an electric vehicle, for example. As shown in FIG. 1, the resonant non-contact system 50 includes a power transmission side device 50A and a power reception side device 50B.

  The power transmission side device 50A is embedded in, for example, a parking lot such as a house or a public facility. The power transmission side device 50A includes a high frequency power supply 52 that outputs high frequency power and a power transmission coil unit 51 that generates an electromagnetic field E1. The high frequency power supply 52 and the power transmission coil unit 51 are connected by a power transmission side transmission cable 4 provided with a connector 1 at a terminal.

  The high-frequency power source 52 includes a housing shield 52a constituting a housing, a high-frequency oscillation source 55 incorporated in the housing shield 52a, and an FG line of a power cable for grounding the housing shield 52a to the ground GND. 56.

  The oscillation source 55 is connected to the inner conductor 24 of the power transmission side coaxial cable 22 as an electric wire constituting the power transmission side transmission cable 4. An outer conductor 25 of the power transmission side coaxial cable 22 and a power transmission side coaxial cable shield 11 as a shield member covering the power transmission side coaxial cable 22 are connected to the housing shield 52a. The oscillation source 55 is configured to output power in the range of 1 to 3 kW, for example, in the frequency range of 10 to 16 MHz.

  The power transmission side coaxial cable 22 includes an inner conductor 24, an insulator covering the outer peripheral surface of the inner conductor 24, an outer conductor 25 provided on the outer peripheral surface of the insulator, and an outer peripheral surface of the outer conductor 25. And a sheath to be provided. The power transmission side coaxial cable 22 is extrapolated with a corrugated tube 6 as a protector having insulation and waterproofness.

  The inner conductor 24 is made of a conductive wire made of conductive metal such as copper, copper alloy, aluminum, or aluminum alloy. One end of the internal conductor 24 is connected to the oscillation source 55 of the high-frequency power source 52, and the other end is connected to the coaxial connector 3 as an electrical connection part constituting the connector 1. The insulator covering the inner conductor 24 is made of a synthetic resin such as polyethylene resin.

  The outer conductor 25 is composed of a hollow circular braided wire made of conductive metal such as copper, copper alloy, aluminum, or aluminum alloy. The external conductor 25 has one end of the external conductor 25 mechanically and electrically connected to the other end of the casing shield 52 a and the oscillation source 55 of the high frequency power supply 52, and the other end of the external conductor 25 is connected to the coaxial connector 3. ing. The sheath covering the outer conductor 25 is made of a synthetic resin such as vinyl chloride resin.

  The power transmission side coaxial cable shield 11 is composed of a hollow circular braided wire made of conductive metal such as copper, copper alloy, aluminum, or aluminum alloy. One end of the power transmission side coaxial cable shield 11 is mechanically and electrically connected to the casing shield 52a of the high frequency power source 52, and the other end is mechanically and electrically connected to the fixing member 9 constituting the connector 1 as shown in FIG. Electrically connected.

  As shown in FIG. 1, the power transmission coil unit 51 includes a primary coil 59 that generates an electromagnetic field E1 by high-frequency power output from the high-frequency power source 52, a primary resonance coil 60 that is magnetically coupled to the primary coil 59, And a shield housing 51a.

  The shield housing 51a includes an inner shield 58 that covers the primary coil 59 and the primary resonance coil 60 from the outside, and an outer shield 57 that covers the inner shield 58 from the outside.

  The inner shield 58 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened. The inner shield 58 completely covers the primary coil 59 and the primary resonance coil 60 except for the opening.

  As shown in FIG. 4, the bottom portion of the inner shield 58 closes the relay connector 41 as an electrical connection portion of the shield housing, the opening 58a for inserting the relay connector 41, and the opening 58a. In addition, a fixing plate 63 for fixing the relay connector 41 to the bottom surface portion is provided.

  The relay connector 41 is referred to as a so-called receptacle. For example, a cylindrical outer conductor to which an outer terminal fitting of a coaxial connector 3 described later is inserted and electrically connected, and an inner terminal fitting of the coaxial connector 3 are press-fitted. And a central conductor that is electrically connected to each other, and an insulator that insulates the outer conductor from the central conductor. A thread or a plurality of grooves are provided on the outer peripheral surface of the outer conductor.

  The outer shield 57 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened. As shown in FIG. 1, a flange portion 61 for suppressing radiation of the radiated electromagnetic field E <b> 2 is provided at the edge portion of the opening of the outer shield 57. The outer shield 57 completely covers the inner shield 58 except for the opening.

  As shown in FIG. 4, an opening 57 a for inserting the coaxial connector 3 as an electrical connecting portion constituting the connector 1 is provided on the bottom surface portion of the outer shield 57. The edge portion of the opening 57 a is bent toward the inner shield 58. The opening 57a is opened in a circular shape along the outer shape of the annular member 8 constituting the connector 1 described later.

  The power receiving device 50B is mounted on a vehicle such as an electric vehicle, for example. As shown in FIG. 1, the power receiving device 50B includes a power receiving coil unit 53 and a load device 54 for charging a battery such as an electric vehicle. The power receiving coil unit 52 and the load device 54 are connected by a power receiving side transmission cable 71 including a power receiving side coaxial cable 72 and a power receiving side coaxial cable shield 74.

  The power receiving side coaxial cable 72 includes an inner conductor 75, an insulator covering the outer peripheral surface of the inner conductor 75, an outer conductor 76 provided on the outer peripheral surface of the insulator, and an outer peripheral surface of the outer conductor 76. And a sheath to be provided.

  The inner conductor 75 has one end of the inner conductor 75 connected to one end of the secondary coil 66 and the other end of the inner conductor 75 connected to the load 84. The outer conductor 76 has one end of the outer conductor 76 mechanically and electrically connected to the other end of the inner shield 65 and the secondary coil 66 of the power receiving coil section 53, and the other end of the outer conductor 76 is connected to the inner side of the load device 54. The shield 82 is mechanically and electrically connected.

  The power receiving side coaxial cable shield 74 is made of a conductive metal such as copper, a copper alloy, aluminum, or an aluminum alloy, and is formed of a hollow circular braided wire. One end of the power receiving side coaxial cable shield 74 is mechanically and electrically connected to the outer shield 64 of the power receiving coil section 53, and the other end is mechanically and electrically connected to the outer shield 81 of the load device 54.

  The power receiving coil unit 53 includes a secondary resonance coil 67 that resonates with the primary resonance coil 60, a secondary coil 66 that is magnetically coupled to the secondary resonance coil 67, and a shield housing 53a.

  The shield housing 53a includes an inner shield 65 that covers the secondary resonance coil 67 and the secondary coil 66 from the outside, and an outer shield 64 that covers the inner shield 65 from the outside.

  The inner shield 65 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape having one opened. The inner shield 65 completely covers the secondary resonance coil 67 and the secondary coil 66 except for the opening.

  An opening for inserting the inner conductor 75 of the power receiving side coaxial cable 72 is provided in the bottom surface portion of the inner shield 65. One end of the outer conductor of the power receiving side coaxial cable 72 is mechanically and electrically connected to the periphery of the opening.

  The outer shield 64 is made of a good conductor metal such as iron or copper, and is formed in a bottomed cylindrical shape with one opened. A flange portion 68 for suppressing radiation of the radiated electromagnetic field E2 to the outside is provided at the edge portion of the opening of the outer shield 64. The outer shield 64 completely covers the inner shield 65 except for the opening.

  An opening for inserting the power receiving side coaxial cable 72 is provided in the bottom surface portion of the outer shield 64. One end of the power receiving side coaxial cable shield 74 is mechanically and electrically connected to the peripheral edge of the opening.

  The load device 54 includes a load 84 such as a battery, an inner shield 82 that covers the load 84 from the outside, and an outer shield 81 that covers the inner shield 82 from the outside. The other end of the inner conductor 75 of the power receiving side coaxial cable 72 is connected to the load 84.

  The inner shield 82 is made of a good conductor metal such as iron or copper. The inner shield 82 is provided with an opening through which the inner conductor 75 of the power receiving side coaxial cable 72 is inserted, and a load 84 is electrically connected thereto.

  The other end of the outer conductor 76 of the power receiving side coaxial cable 72 is mechanically and electrically connected to the peripheral edge of the opening of the inner shield 82. The inner shield 82 completely covers the load 84 except for the opening.

  The outer shield 81 is made of a good conductor metal such as iron or copper. The outer shield 81 is provided with an opening through which the power receiving side coaxial cable 72 is inserted.

  The other end of the power receiving side coaxial cable shield 74 is mechanically and electrically connected to the peripheral edge of the opening of the outer shield 81. The outer shield 81 completely covers the inner shield 82 except for the opening.

  As shown in FIGS. 1 and 2, the connector 1 includes a coaxial connector 3 as an electric connection portion of a shielded electric wire and a connector fixing device 2 as a fixing structure of the electric connection portion. The connector 1 is provided at a terminal of the power transmission side transmission cable 4 and is fixed to the power transmission coil unit 51.

  The coaxial connector 3 employs, for example, a so-called HN connector, and includes a plug 21 connected to the terminal of the power transmission side coaxial cable 22. The plug 21 includes, for example, a sleeve to be crimped to the end of the power transmission side coaxial cable 22, an inner terminal fitting electrically connected to the inner conductor 24 of the power transmission side coaxial cable 22, and an outer conductor 25 of the power transmission side coaxial cable 22. And an outer terminal fitting electrically connected to the terminal. On the outer peripheral surface of the portion where the plug 21 is screwed into the relay connector 41, a non-slip portion 21a formed in a mesh shape by a plurality of grooves intersecting each other is provided.

  The fixing device 2 is provided at a terminal of the power transmission side transmission cable 4. The fixing device 2 includes an annular member 8, a fixing member 9, a power transmission side coaxial cable shield 11, and a protective cover 14.

  The annular member 8 is provided so as to be slidable in the axial direction of the coaxial connector 3 along the outer peripheral surface of the coaxial connector 3. The annular member 8 is formed in a cylindrical shape along the outer shape of the coaxial connector 3 and is made of a synthetic resin having electrical insulation.

  As shown in FIGS. 2 and 3, the fixing member 9 is provided on the outer peripheral surface of the annular member 8, and is formed in an annular disk shape. In the inner peripheral portion of the fixing member 9, a connecting portion 9 b to which the other end of the power transmission side coaxial cable shield 11 is mechanically and electrically connected, an engaging portion 9 c that engages with the outer peripheral surface of the annular member 8, Is provided.

  A locking portion 9 a that locks in the locking groove 14 a of the protective cover 14 is provided on the outer peripheral portion of the fixing member 9. The connecting portion 9 b of the fixing member 9 and the other end of the power transmission side coaxial cable shield 11 are fixed and connected by a crimping ring 32. As shown in FIG. 5, the fixing member 9 is fixed to the outer shield 57 constituting the casing of the power transmission coil unit 51 by the bolt 31.

  The power transmission side coaxial cable shield 11 is conductive such as copper, a copper alloy, aluminum, or an aluminum alloy, and is formed of a metal hollow circular braided wire. As shown in FIG. 4, the power transmission side coaxial cable shield 11 is configured to be able to bend and deform as the annular member 8 slides.

  As shown in FIGS. 2 and 3, the protective cover 14 includes a locking groove 14 a that is locked to the locking portion 9 a of the fixing member 9, and an insertion portion 14 b through which the power transmission side transmission cable 4 is inserted. ing. As shown in FIG. 4, the protective cover 14 is configured to be able to bend and deform as the annular member 8 slides.

  Next, with reference to FIG. 4 and FIG. 5, the connection of the connector 1 and the power transmission coil part 51 concerning one Embodiment of this invention comprised as mentioned above is demonstrated.

  As shown in FIG. 4, the annular member 8 is slid toward the intermediate portion in the longitudinal direction of the power transmission side coaxial cable 22, and each of the power transmission side coaxial cable shield 11 and the protective cover 14 is bent and bent. The coaxial connector 3 is protruded from the annular member 8.

  Subsequently, the coaxial connector 3 is fitted and mechanically and electrically connected to the relay connector 41, the annular member 8 is slid to the end side of the coaxial connector 3, and the fixing member 9 is shielded from the outer side of the power transmission coil unit 51. The power transmission side coaxial cable shield 11 and the protective cover 14 are restored to their initial shapes.

  Subsequently, the locking groove 14a of the protective cover 14 is removed from the locking portion 9a of the fixing member 9, and the bolt 31 is operated from outside to fix the fixing member 9 to the outer shield 57 mechanically and electrically. Then, as shown in FIG. 5, the locking groove 14a is locked to the locking portion 9a. Thus, the connector 1 according to the embodiment of the present invention is mechanically and electrically connected to the power transmission coil unit 51 and fixed.

  As described above, the connector fixing device 2 according to the embodiment of the present invention is configured to fix the electrical connection portion that connects and fixes the coaxial connector 3 of the power transmission side coaxial cable 22 to the relay connector 41 of the inner shield 58. An electrically insulating annular member 8 slidably provided along the outer peripheral surface of the coaxial connector 3, and an electrically conductive annular member 8 provided on the outer peripheral surface of the annular member 8 and fixed to the shield housing 51a. A fixing member 9, and a power transmission side coaxial cable shield 11 that covers the power transmission side coaxial cable 22 and is mechanically and electrically connected to the fixing member 9, and the power transmission side coaxial cable shield 11 is As the annular member 8 slides, it is bent and deformed.

  According to the connector fixing device 2 according to the embodiment of the present invention configured as described above, the coaxial connector 3 and the outer shield 57 constituting the shield casing 51a can be insulated by the annular member 8, and the power transmission By sliding the annular member 8 to the intermediate portion side in the longitudinal direction of the side coaxial cable 22, the power transmission side coaxial cable shield 11 is bent in the sliding direction of the annular member 8 and the coaxial connector 3 is projected. As described above, the plug 21 and the outer shield 57 are electrically insulated by the annular member 8, and the interval L between the inner shield 58 and the outer shield 57 can be reduced. As shown in FIG. 4, as shown in FIG. An operation for connecting the coaxial connector 3 to the relay connector 41 from the outside of the outer shield 57 constituting the shield casing 51a is performed. It can, it is possible to improve the workability of the connection work.

  Further, since the transmission-side coaxial cable shield 11 connected to the fixing member 9 bends as the annular member 8 slides, the fixing member 9 is mechanically and electrically connected to the outer shield 57 constituting the shield housing 51a. Only by doing so, the power transmission side coaxial cable shield 11 is fixed to the outer shield 57 constituting the shield casing 51a via the fixing member 9, and the workability of the fixing work can be improved.

  Thus, the workability of the connection work of the coaxial connector 3 is improved and the workability of the work of fixing the power transmission side coaxial cable shield 11 is improved, so that the coaxial connector 3 is connected to the relay connector 41 and the outer shield 57 is connected. The workability at the time of fixing the coaxial cable shield 11 can be improved.

  Further, the fixing member 9 is provided with a protective cover 14 having electrical insulation and waterproofing, and the protective cover 14 is bent and deformed as the annular member 8 slides. Can be insulated and can prevent water from entering from the outside.

  Further, the fixing member 9 is provided with a locking portion 9a that is locked to the protective cover 14, and the protective cover 14 is configured to be detachable from the locking portion 9a. When the power transmission side coaxial cable shield 11 is fixed to the outer shield 57 constituting the shield casing 51a, the protective cover 14 can be removed to fix the fixing member 9 to the outer shield 57 constituting the shield casing 51a. When the fixing operation is completed, the protective cover 14 can be attached to the fixing member 9. Accordingly, it is possible to prevent the workability of the fixing work of the fixing member 9 from being lowered.

  Further, since the connector 1 is connected to the relay connector 41 by the fixing structure of the coaxial connector 3 described above, the workability of the connection work of the coaxial connector 3 can be improved and the fixing work of the power transmission side coaxial cable shield 11 can be improved. The workability at the time of connecting and fixing the connector 1 to the relay connector 41 can be improved.

  In addition, since the connector 1 concerning the said embodiment is not limited to what is used for the non-contact electric power feeding system 50 mentioned above, a well-known electrical connection part and an electric wire can be employ | adopted, and various electrical connection parts It can be used to fix each other.

  Moreover, in the connector 1 concerning the said embodiment, since the power transmission side coaxial cable shield 11 should just electrically connect the housing | casing shield 52a of the high frequency power supply 52, and the outer side shield 57 of the power transmission coil part 51, For example, a conductive member such as a conductive pipe or cylinder having conductivity may be used.

  Moreover, the corrugated tube 6 as a protector provided in the power transmission side transmission cable 4 may be, for example, a synthetic resin pipe having insulation properties such as vinyl chloride resin.

1 Connector 2 Connector Fixing Device (Electrical Connection Fixing Structure)
3 Coaxial connector (electrical connection of shielded wire)
8 Ring member 9 Fixing member 9a Locking part 11 Power transmission side coaxial cable shield (shield member)
14 Protective cover 22 Transmission side coaxial cable (electric wire)
41 Relay connector (electrical connection part of shield housing)
51a Shield case

Claims (5)

An electrical connection part fixing structure for connecting and fixing an electrical connection part of a shielded wire to an electrical connection part of a shield housing,
An electrically insulating annular member provided slidably along the outer peripheral surface of the electrical connecting portion of the shielded wire;
A conductive fixing member provided on the outer peripheral surface of the annular member and fixed to the shield housing;
A shield member that covers the electric wire and is mechanically and electrically connected to the fixing member,
The structure for fixing an electrical connection part, wherein the shield member is bent and deformed as the annular member slides. The fixing member is provided with a protective cover having electrical insulation and waterproofness,
The structure for fixing an electrical connection part according to claim 1, wherein the protective cover is bent and deformed as the annular member slides. The fixing member is provided with a locking portion for locking to the protective cover,
The structure for fixing an electrical connection part according to claim 2, wherein the protective cover is configured to be detachable from the locking part.   The connector connected with another electrical connection part by the fixing structure of the electrical connection part as described in any one of Claim 1 thru | or 3. A connector connection method using the connector according to claim 4,
The shield member is bent by sliding the annular member toward the intermediate portion side in the longitudinal direction of the electric wire and the electric connection portion is projected,
Mechanically and electrically connected by fitting the electrical connection part of the shielded wire to the electrical connection part of the shield housing;
By restoring the shield member to the initial shape by sliding the annular member to the end side of the electrical connection portion of the shielded electric wire,
A connector connecting method, wherein the fixing member is mechanically and electrically connected and fixed to the shield housing.

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