JP6346800B2 - Conductive elastic member and connector - Google Patents

Description

  The present invention relates to a conductive elastic member and a connector using the same.

  2. Description of the Related Art Conventionally, as a connector for electrically connecting terminals of two electric devices, a technique for electrically connecting two terminals via a conductive elastic member (for example, conductive rubber) is known. Patent Document 1 discloses a connector that uses a conductive elastic member having conductivity and elasticity for connection between terminals of a motor and an inverter mounted on an electric vehicle or the like.

  The connector of Patent Document 1 includes a housing for holding a motor-side terminal, a housing for holding an inverter-side terminal, and a columnar conductive elastic member. The motor-side housing includes a motor-side terminal. The conductive elastic member is placed on top of the container. The terminal on the motor side and the terminal on the inverter side are connected in a state where the conductive elastic member is pressed from above and below and compressed and deformed when the two housings are fitted. The conductive elastic member compresses and deforms, thereby absorbing tolerance variations such as the position and inclination of both terminals at the time of fitting, and ensuring the connection with both terminals.

JP 2012-94263 A

  By the way, in order to absorb the tolerance variation such as the position and inclination of the terminal by the conductive elastic member, the thickness of the conductive elastic member, that is, the thickness in the pressing direction (hereinafter referred to as the axial direction) by both terminals is varied. Needs to be set to a predetermined thickness that can be absorbed. However, when the thickness of the conductive elastic member in the axial direction is increased, the following problems may occur.

  FIG. 6 shows a state in which both end surfaces in the axial direction (Y) of the conductive elastic member 62 accommodated in the housing 61 are pressed against the conductors 63 and 64 such as terminals. The conductors 63 and 64 are formed by bending a contact surface that contacts the conductive elastic member 62 into an L shape. The conductive elastic member 62 is placed on the conductor 63 and the upper end surface is pressed against the conductor 64. The conductive elastic member 62 pressed by the conductor 64 in this way is compressed and deformed in the axial direction.

  By the way, this type of conductive elastic member 62 may be pressed from a direction different from the axial direction due to various causes such as a variation in tolerance in the inclination of the conductor 64.

  For example, as shown in FIG. 7, the conductive elastic member 62 pressed against the conductor 64 from a direction different from the axial direction is curved in a direction (lateral direction in the figure) intersecting the axial direction Y inside the housing 61 (hereinafter, the figure). , Also called buckling.) When the conductive elastic member 62 buckles in this way, for example, a gap 65 is generated between the conductor 64 and the conductive elastic member 62, and there is a concern that the energization reliability may be impaired.

This invention is made | formed in view of such a problem, and makes it a subject to suppress a buckling of a conductive elastic member and to make a conductor and a conductive elastic member contact uniformly.

To solve the above problem, the conductive elastic member of the present invention, a columnar member having conductivity and the elasticity, and a protruding portion formed to protrude on the side surface of the columnar member possess columnar member and it made held coaxially in the cylindrical housing portion sandwiched between the two conductors of both end faces of the.

  According to this, for example, when both end surfaces in the axial direction of the conductive elastic member accommodated in the housing are pressed by the conductor, the protruding portion is interposed in the gap between the columnar member of the conductive elastic member and the inner wall of the housing. Therefore, the bending (buckling) of the conductive elastic member can be suppressed. Thereby, the conductive elastic member can absorb tolerance variations such as the inclination of the conductor, and the conductor can be uniformly contacted.

  In this case, it is preferable that the overhang portion is provided on the entire circumference of the side surface of the columnar member. Thereby, a columnar member can suppress curvature in all directions.

  Moreover, the groove | channel shall be formed in the direction around the axis | shaft of the side surface of one end surface side from an overhang | projection part. According to this, when the conductive elastic member is pressed against the conductor from the direction in which one end surface is inclined with respect to the axial direction, the columnar member is easily bent starting from the groove. More uniform contact can be achieved.

  The groove may be formed adjacent to the overhanging portion. According to this, the depth of the groove bottom substantially corresponds to the depth based on the apex of the protruding portion. Therefore, since the depth of the groove is larger than that provided at a position away from the projecting portion, the effect of the groove can be enhanced.

  In addition, the columnar member may be formed such that a member on one end face side of the overhanging portion is made of a material having a hardness lower than that of the overhanging portion. According to this, the conductive elastic member can be flexible at one end face side while maintaining the posture at the overhanging portion having a relatively high hardness, and can absorb tolerance variations such as the inclination of the conductor.

  Moreover, a groove | channel can also be provided in an overhang | projection part instead of providing in a columnar member. In this case, the overhanging portion may be formed in a direction around the axis of the columnar member at a position connected to the columnar member or away from the connection portion.

  Further, these grooves can be formed in a semicircular cross section. According to this, since the columnar member is easily bent in the three-dimensional direction via the groove, the conductor can be contacted more uniformly.

  The connector of the present invention includes a first housing that holds one conductor, a second housing that holds the other conductor, and a conductive elastic member that is housed in one of these housings. When one housing and the second housing are fitted, one conductor and the other conductor are respectively brought into contact with the conductive elastic member so as to be connectable via the conductive elastic member. Further, any one of the conductive elastic members described above is used.

  According to the present invention, the conductor and the conductive elastic member can be brought into uniform contact.

It is sectional drawing of the connector to which the electroconductive elastic member of this invention is applied. It is an external appearance perspective view of the electroconductive elastic member of this invention. It is a principal part enlarged view explaining operation | movement of the electroconductive elastic member of this invention. It is an external appearance perspective view of the other Example of a conductive elastic member. It is an external appearance perspective view of the other Example of a conductive elastic member. It is a principal part enlarged view explaining operation | movement of the conventional electroconductive elastic member. It is a principal part enlarged view explaining operation | movement of the conventional electroconductive elastic member.

  Hereinafter, an embodiment of a connector to which the present invention is applied will be described with reference to the drawings. The connector of this embodiment is applied to a connection device for electrically connecting a terminal of a motor mounted on an electric vehicle, a hybrid car, or the like to a terminal of an inverter that outputs electric power, a control signal, or the like to the motor. However, the connector of the present invention is not limited to this, and can be applied to various connection devices that connect terminals of various electric devices.

  As shown in FIG. 1, the connector 11 of this embodiment includes a first connector 14 fixed to an upper wall 13 of a housing 12 that houses a motor, and a first terminal 15 (one side) held by the first connector 14. The second connector 18 fixed to the lower wall 17 of the housing 16 housing the inverter, the second terminal 19 (the other conductor) held by the second connector 18, and the first connector 14. And a conductive elastic member 20 having conductivity stored therein. The conductive elastic member 20 is pressed against the first terminal 15 and the second terminal 19 when the first connector 14 and the second connector 18 are fitted, and is compressed and deformed, and then the first terminal 15 and the second terminal. 19 is electrically connected. In the following description, the motor side is described as the lower side, the inverter side as the upper side, and the axial direction of the conductive elastic member 20 as the vertical direction. However, these arrangement relationships are not limited to the vertical direction, and may be arranged in the horizontal direction.

  The first connector 14 includes an insulating resin first housing 21, an L-shaped first terminal 15 supported in the first housing 21, and a conductive elastic member 20 accommodated in the first housing 21. Is provided. The first housing 21 includes a rectangular tubular portion 22 extending in the axial direction, a flange portion 23 protruding in the circumferential direction from the outer peripheral surface of the tubular portion 22, and an upper surface of the flange portion 23 so as to surround the flange portion 23. And an annular waterproof packing 24 mounted in the circumferential groove. Note that a plurality of (for example, three) first terminals 15 and conductive elastic members 20 are held by the first connector 14, and the same number of second terminals 19 are held by the second connector 18. However, in this embodiment, in order to simplify the description, an example will be described in which each one is held.

  Although the first housing 21 is not shown in the drawing, a bolt insertion hole is formed in a bracket extending in the left and right directions, the cylindrical portion 22 is inserted into the opening 25 of the upper wall 13 of the housing 12, and the flange portion 23. The lower surface of the bolt is in contact with the upper wall 13, and the bolt inserted through the bolt insertion hole is fastened and fixed to the upper wall 13. A waterproof structure (not shown) is formed in a gap between the inner peripheral surface of the opening 25 and the outer peripheral surface of the cylindrical portion 22.

  One end side of the first terminal 15 is accommodated in the accommodating portion 26 formed in the cylindrical portion 22 of the first connector 14. The accommodating portion 26 is a rectangular parallelepiped space formed at the back (lower side) of the opening 27 at the upper end of the cylindrical portion 22. The first terminal 15 is supported in a state in which the contact portion 28 bent in an L shape is in contact with the bottom portion 29 facing the back of the housing portion 26. The linear base end portion 30 that is orthogonal to the contact portion 28 hangs down through the through hole of the bottom portion 29 and is drawn out from the cylindrical portion 22. The contact portion 28 is not limited to a bent shape.

  The conductive elastic member 20 uses a material having elasticity as a base material, and the base material includes conductive powder, wire (for example, metal wire), metal foil, or the like. For example, in the case of a conductive elastic member having a wire, it can be manufactured by insert molding for wrapping the wire with a base material, secondary processing of the molded product, or the like. The conductive elastic member 20 has an elastic conductive rubber structure having elasticity due to the base material and conductivity due to powder, wire, and the like. As the base material, thermoplastic or thermosetting synthetic rubber or synthetic resin is used. Specifically, thermoplastic or thermosetting elastomers can be used, but any material having elasticity can be used. There is no particular limitation. Below, the electroconductive elastic member 20 obtained by insert-molding a some wire to thermoplastic synthetic rubber is demonstrated to an example.

  As shown in FIG. 2, the conductive elastic member 20 is formed in a columnar shape, and each wire extends from one end surface in the axial direction of the conductive elastic member 20 to the other end surface, and is exposed from both end surfaces. Then, contact areas L composed of an infinite number of electrical contacts P are formed on both end faces. The contact region L is formed in a substantially square shape with the axes of both end faces as the center. The conductive elastic member 20 is accommodated in the accommodating portion 26 so that the contact portion 28 of the first terminal 15 comes into contact with the lower end surface and is placed on the contact portion 28. The outer shape of the conductive elastic member 20 will be described later.

  Returning to FIG. 1, the second connector 18 includes a second housing 31 made of insulating resin, and an L-shaped second terminal 19 supported in the second housing 31. The second housing 31 includes a rectangular tubular portion 32 that extends in the axial direction, and a flange portion 33 that protrudes in the circumferential direction from the outer peripheral surface of the tubular portion 32. The cylindrical portion 32 is configured such that the cylindrical portion 22 of the first connector 14 can be fitted into a rectangular parallelepiped space formed at the back (upper side) of the opening 34 at the lower end.

  In the second housing 31, bolt insertion holes are formed in brackets extending left and right, the cylindrical portion 32 is inserted into the opening 35 of the lower wall 17 of the housing 16, and the upper surface of the flange portion 33 is in contact with the lower wall 17. The bolt inserted into the bolt insertion hole is fastened and fixed to the lower wall 17 so as to come into contact. A waterproof structure (not shown) is formed in a gap between the inner peripheral surface of the opening 35 and the outer peripheral surface of the cylindrical portion 32.

  The second terminal 19 extends along the bottom portion 37 in a state where the contact portion 36 bent in an L shape is in contact with a bottom portion 37 facing the back of a rectangular parallelepiped space formed in the cylindrical portion 32. So as to extend in a substantially horizontal direction. A proximal end portion 38 that is orthogonal to the contact portion 36 is drawn from the tubular portion 32 through a through hole in the bottom portion 37. As will be described later, the second terminal 19 is provided at a position where it can come into contact with the conductive elastic member 20 when the first connector 14 and the second connector 18 are fitted together. The contact portion 36 is not limited to a bent shape.

  When the first connector 14 and the second connector 18 are in a proper fitting state (hereinafter simply referred to as a fitting state), the cylindrical portion 22 of the first connector 14 is connected to the cylindrical portion 32 of the second connector 18. The tubular portion 32 is placed on the flange portion 23 of the first connector 14 via the waterproof packing 24 while being inserted. A space between the first connector 14 and the second connector 18 is sealed with a waterproof packing 24.

  FIG. 3 shows an internal structure of the first connector 14 that is a main part of the connector 11. In FIG. 3, the bottom portion 37 of the cylindrical portion 32 that comes into contact with the contact portion 36 of the second terminal 19 is omitted in order to avoid complication of the drawing. When the connector 11 is in the fitted state, the second terminal 19 moves to a position where the conductive elastic member 20 can be pressed. As a result, in the conductive elastic member 20, the contact region L on the upper end surface is pressed downward by the second terminal 19, while the contact region L on the lower end surface is pressed upward by the first terminal 15. And the second terminal 19 is elastically deformed so as to be sandwiched between them.

  In the present embodiment, in the fitting state of the connector 11, a part of the load of the housing 16 that accommodates the inverter acts on the conductive elastic member 20 via the second terminal 19. That is, the second terminal 19 presses the conductive elastic member 20 in such a manner that the second terminal 19 receives a load from the bottom portion 37 of the cylindrical portion 32 that contacts the contact portion 36 and is pressed. For this reason, the conductive elastic member 20 pressed by the second terminal 19 is elastically deformed in a predetermined direction pressed by the second terminal 19 around the compression direction, and the first terminal 15 and the second terminal 19 Tolerance variations such as position and tilt are absorbed by the conductive elastic member 20. As a result, the conductive elastic member 20 comes into contact with the contact portion 28 of the first terminal 15 and the contact portion 36 of the second terminal 19 and both end surfaces uniformly, so that the conductive elastic member 20 and the first terminal 15 are in contact with each other. In addition, the reliability of conduction with the second terminal 19 can be improved.

  Further, for example, even when the connector 11 vibrates during fitting, the contact state between the conductive elastic member 20 and each of the terminals 15 and 19 is stable because the compressed conductive elastic member 20 absorbs vibration. Retained.

  Next, the shape structure of the conductive elastic member 20 which is a characteristic configuration of the present embodiment will be described separately in examples.

  As shown in FIG. 2, the conductive elastic member 20 according to the present embodiment includes a columnar member 40 having a longitudinal axis and a projecting portion 41 projecting in a radial direction (horizontal direction) from the side surface of the columnar member 40. And have. In the conductive elastic member 20 of this embodiment, the columnar member 40 and the overhanging portion 41 are integrally formed of a thermoplastic synthetic rubber, and the plurality of wires described above are formed in the columnar member 40 along the substantially longitudinal direction. Embedded.

  The columnar member 40 has a planar shape in which the lower end surface 42 with which the first terminal 15 (one conductor) is in contact and the upper end surface 43 with which the second terminal 19 (the other conductor) is in contact are substantially parallel to each other. Formed. The lower end surface 42 and the upper end surface 43 are each formed with a contact region L composed of a large number of contacts P, and electrical conductivity is ensured between the lower end surface 42 and the upper end surface 43. Hereinafter, the upper end surface 43 side of the projecting portion 41 of the columnar member 40 will be described as the columnar member 40a, and the lower end surface 43 side of the projecting portion 41 will be appropriately described as the columnar member 40b.

  The overhanging portion 41 is provided at a position away from the upper end surface 43 in the axial direction (in this embodiment, a position away from both the upper end surface 43 and the lower end surface 42), and extends from the side surface of the columnar member 40 to the axis of the columnar member 40. It is formed all around. The overhanging portion 41 is formed in a substantially square shape when viewed in plan from the axial direction, and each piece and the edge 44 of the four corners are each formed by rounding in a semicircular shape in the axial direction.

  In the columnar member 40, a groove 45 is formed on the entire circumference around the axis of the side surface of the columnar member 40a. The groove 45 is formed in a semicircular cross section adjacent to the overhanging portion 41.

  As shown in FIG. 3, when the conductive elastic member 20 of this embodiment is accommodated in the first housing 21 of the connector 11, the lower end surface 42 abuts on the contact portion 28 of the first terminal 15. In the mounted state, the projecting portion 41 extending from the opposite side surface of the inner wall 46 of the columnar member 40 toward the inner wall 46 is brought into contact with the inner wall 46. In the overhanging portion 41, the edge portion 44 of each piece around the axis is in contact with the inner wall 46 substantially uniformly.

  Next, the operation of the conductive elastic member 20 thus formed will be described. FIG. 3 shows a state in which the conductive elastic member 20 is pressed by the second terminal 19 from the direction Y ′ inclined with respect to the axial direction Y. As shown in the figure, the conductive elastic member 20 has an edge 44 of the overhanging portion 41 in contact with the inner wall 46 of the first housing 21 around the axis. As a result, the columnar member 40b in contact with the first terminal 15 is prevented from being bent (buckled) when pressed by the second terminal 19, and the original posture with the axis Y as the center is maintained. For this reason, the conductive elastic member 20 is pressed against the second terminal 19 with a predetermined contact pressure.

  On the other hand, in the columnar member 40, when the upper end surface 43 is pressed by the second terminal 19, the columnar member 40a is compressed in the axial direction so as to match the direction and angle of the contact portion 36 of the second terminal 19, and Bend in a predetermined direction and angle. That is, the columnar member 40 changes from a posture centering on the axis Y to a posture centering on the axis Y ′, starting from the groove 45 of the columnar member 40a. Therefore, the conductive elastic member 20 can uniformly contact the contact portion 36 with a predetermined region of the upper end surface 43 including the contact region L.

  As described above, in the conductive elastic member 20 of the present embodiment, the protruding portion 41 and the groove 45 are provided, so that the columnar member 40 is not curved and is adjusted to the direction and angle of the contact portion 36 of the second terminal 19. Since the columnar member 40a can be bent, the second terminal 19 can be uniformly brought into contact with the upper end surface 43 of the columnar member 40a, and the energization reliability can be improved.

  In the present embodiment, the overhanging portion 41 of the conductive elastic member 20 is formed so as to be able to contact the inner wall 46 of the first housing 21 in an unloaded state, but the overhanging portion 41 is between the inner wall 46. You may form in the magnitude | size which the space | gap produces. Even if it forms in this way, the curvature of the electroconductive elastic member 20 can be suppressed because the overhang | projection part 41 is contact | abutted with the inner wall 46. FIG. Moreover, although the overhang | projection part 41 is formed in the perimeter around the axis | shaft of the columnar member 40, you may divide | segment and provide in several places.

  Further, in the present embodiment, the overhanging portion 41 is formed in a quadrangular shape in plan view, but the shape of the overhanging portion 41 is not limited to this, and depending on the shape of the inner wall 46 of the first housing 21, etc. It can be set appropriately. Further, the columnar member 40 is preferably formed in a columnar shape so that the bending direction is not restricted, but is not limited thereto.

  In this embodiment, since the groove 45 is formed continuously with the upper surface of the overhanging portion 41, the depth of the groove bottom is substantially equivalent to the depth based on the apex of the overhanging portion 41. To do. For this reason, although the groove | channel 45 can also be formed in the position away from the upper surface of the overhang | projection part 41, if it forms continuously like a present Example, the columnar member 40a can be made easier to bend.

  In this embodiment, the groove 45 is formed on the entire circumference around the axis, and the cross section of the groove 45 is formed in a semicircular shape. Therefore, the columnar member 40a is bent in the three-dimensional direction via the groove 45. It becomes easy and the range which can track the contact angle etc. of the 2nd terminal 19 can be expanded. Moreover, although it is preferable to provide the groove | channel 45 in the perimeter around the axis | shaft of the columnar member 40, it is also possible to provide it in a part of circumferential direction.

  Moreover, although the example which provides the groove | channel 45 in the columnar member 40a was demonstrated in the present Example, the groove | channel 45 can also be formed in the columnar member 40b in addition to the columnar member 40a. According to this, since the columnar member 40b is easily bent, the conductive elastic member 20 can further stabilize the uniform contact between the lower end surface 42 and the first terminal 15.

  Below, the Example of the other electroconductive elastic member for implementing this invention is described. However, each of these embodiments basically produces the same effects as the first embodiment. Accordingly, only the characteristic configuration of each embodiment will be described below, and the description of the configuration and operation effects common to the first embodiment will be omitted.

  FIG. 4 shows the appearance of the conductive elastic member 50 of this embodiment. The difference between the conductive elastic member 50 of the present embodiment and the conductive elastic member 20 of the first embodiment is that the protruding portion 51 is formed in the axial direction, not in the radial direction of the columnar member 40. Since the other configuration is the same as that of the first embodiment, the same reference numerals are given and description thereof is omitted. In this embodiment, the lower end face 42 side of the groove 45 is a columnar member 40b.

  The overhang portions 51a and 51b are respectively provided from the groove 45 to the lower end surface 42 of the columnar member 40b, and are formed in a rectangular shape along the axial direction. The two overhang portions 51a and 51b are provided in opposite directions with the columnar member 40b interposed therebetween.

  According to this, since the projecting portions 51a and 51b are brought into contact with the inner wall 46 of the first housing 21, respectively, the posture of the columnar member 40b can be held in the axial direction, so that the columnar member 40b is curved. This can be prevented more reliably. However, the conductive elastic member 50 according to the present embodiment secures a predetermined gap because the insertion load during insertion into the first housing 21 increases when the gap between the projecting portions 51a and 51b and the inner wall 46 is set small. It is preferable to do.

  In the present embodiment, the example in which the overhang portions 51 are provided in two directions has been described. However, the present invention is not limited to this, and more protrusions 51 can be provided at equal intervals around the axis. In addition, the length of the overhanging portion 51 in the axial direction can be shorter than that of the present embodiment, or can be formed by being divided in the axial direction.

  FIG. 5 shows the appearance of the conductive elastic member 55 of the present embodiment. The conductive elastic member 55 of the present embodiment is different from the conductive elastic member 20 of the first embodiment in that the groove 56 is provided in the protruding portion 41 instead of the columnar member 40a. Since the other configuration is the same as that of the first embodiment, the same reference numerals are given and description thereof is omitted.

  The groove 56 is provided on the entire circumference around the axis along the connecting portion with the columnar member 40 on the upper surface side of the projecting portion 41. Thus, even if the groove 59 is provided in the projecting portion 41, the columnar member 40 a bends with the groove 56 as a starting point, so that the second terminal 19 can be brought into uniform contact with the upper end surface 43 of the columnar member 40.

  In the present embodiment, the example in which the groove 56 is provided on the upper surface side of the projecting portion 41 has been described. However, the groove 56 may be provided on both the upper surface side and the lower surface side. Further, the groove 56 is not limited to being provided along the connecting portion with the columnar member 40, and may be provided in the direction around the axis of the columnar member 40 at a position away from the connecting portion.

  The conductive elastic member of the present embodiment is different from the above embodiments in that the material forming the columnar member 40a is lower in hardness than the material forming the overhang portions 41 and 51 and the columnar member 40b. is there.

  The conductive elastic member of the present embodiment is formed by, for example, well-known two-color molding using two types of materials. According to this, elasticity is exerted on the columnar member 40a formed of a material having a relatively low hardness while maintaining the posture of the columnar member 40b on the placement surface side by the overhang portions 41 and 51 formed of a material having a relatively high hardness. Therefore, it is possible to effectively absorb tolerance variations such as the inclination of the second terminal 19. Therefore, uniform contact with the second terminal 19 is possible while preventing the columnar member 40 from being bent.

  In the present embodiment, the example in which the material for forming the columnar member 40a is different from the material for forming the overhang portions 41 and 51 and the columnar member 40b is not limited to this, but at least the columnar member The material for forming 40a only needs to have a lower hardness than the material for forming the overhang portions 41 and 51. That is, it can be formed of two types of material, which is a relatively hard material for forming the columnar member 40 and a material having a relatively low hardness for forming the overhang portions 41 and 51. In this case, for example, the overhang portions 41 and 51 formed in advance can be manufactured by insert molding in the columnar member 40.

11 Connector 15 1st terminal (one conductor)
19 Second terminal (the other conductor)
20, 50, 55 Conductive elastic member 21 First housing 31 Second housing 40a, 40b Columnar member 41, 51 Overhang portion 42 Lower end surface 43 Upper end surface

Claims (10)

A columnar member having conductivity and the elastic, possess a protruding portion formed to protrude on the side surface of the columnar member, housed in the tubular across the end faces of the columnar member between the two conductors A conductive elastic member that is coaxially held in the part ,
The columnar member is a conductive elastic member in which a groove is formed around the axis of the side surface on one of the end surfaces from the projecting portion . 2. The conductive elastic member according to claim 1, wherein the columnar member is held by the housing portion with a protruding edge of the overhanging portion and an inner wall of the housing portion coming into contact with each other . The conductive elastic member according to claim 1, wherein the columnar member is held with a gap between a protruding edge of the projecting portion and an inner wall of the housing portion . The overhang, the conductive elastic member according to claim 1 Ru Tei provided on the entire circumference around the axis of the side surface of the columnar member. 2. The conductive elastic member according to claim 1, wherein a plurality of the projecting portions are provided so as to extend in the axial direction of the side surface of the columnar member and be symmetrically separated around the axis. The conductive elastic member according to claim 4 , wherein the groove is formed on a side surface of the columnar member at a position in contact with the projecting portion. The columnar member, members of the projecting portion one end face side than the conductive elastic member according to any one of claims 1 to 6 is formed by low hardness material than the protruding portion. The overhang, the conductive elastic member according to claim 1 in which the groove in Ri axial periphery of the columnar member at a position distant from along or該Gaishu the outer periphery of the columnar member is formed. The groove, the conductive elastic member according to claim 1 or 6 is a cross-sectional semicircle. A first housing that holds one conductor, a second housing that holds the other conductor, and a conductive elastic member that is housed in a cylindrical housing formed in one of these housings,
When the first housing and the second housing are fitted together, the one conductor and the other conductor are connected to each other via the conductive elastic member by contacting the end surface of the conductive elastic member. Formed possible,
The connector according to any one of claims 1 to 9 , wherein the conductive elastic member is a conductive elastic member.

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