JP2017107705A - connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector for which a manufacturing process can be simplified by reducing the number of components used.SOLUTION: A connector 1 for an inverter includes inverter terminals 10, a housing 20, and a protective member 40. Each of the inverter terminals 10 includes an apparatus terminal 11, a connection terminal 14, and a braided wire 17 having flexibility and conductivity for connecting the apparatus terminal 11 with the connection terminal 14. The housing 20 has a plurality of terminal housing chambers 25 for housing the connection terminal 14 in the inside thereof, and holds the inverter terminal 10 with the braided wire 17 and the apparatus terminal 11 derived from the terminal housing chamber 25. The protective member 40 includes a first retainer part 44 and a second retainer part 53 for restricting removal of the connection terminal 14 attached to the housing 20 from the terminal housing chamber 25, and braided wire housing parts 61A, 61B, 61C stretching from the first retainer 44 and the second retainer 53 for housing the braided wires 17 in the inside thereof.SELECTED DRAWING: Figure 6

Description

  The technology disclosed by this specification is related with a connector.

  A device such as an inverter mounted on an electric vehicle or a hybrid vehicle is accommodated in a device case, and a connector for connection with another device is assembled in the device case. As such a connector, there is a connector including a connection terminal connected to a counterpart terminal and a device terminal connected to a device. The connection terminal and the device terminal are connected by a connecting portion made of a highly flexible material such as a braided wire (see Patent Document 1).

JP 2011-34935 A

  In the connector having the above-described configuration, an insulating tape such as a fluorine tape is wound around the connecting portion for protection. For this reason, there was a problem that the number of parts increased. In addition, there is a problem that it takes time to wind the tape around the connecting portion.

  The connector disclosed in this specification includes a plurality of terminal fittings, a terminal having flexibility and conductivity, and a flexible conductive member that connects the plurality of terminal fittings, and the plurality of terminal fittings. A terminal housing chamber that houses one of the terminal fittings therein, a housing that holds the terminal in a state where the flexible wire member is led out from the terminal housing chamber, and the housing is assembled to the housing. And a protective member having a retainer portion that restricts the removal of one terminal fitting from the terminal accommodating chamber and a protective portion that is connected to the retainer portion and accommodates the flexible conductive member therein.

  According to said structure, the protection member serves as the member which controls the detachment | leave from the terminal storage chamber of a terminal metal fitting, and the member which accommodates and protects a flexible conductive member inside. Thereby, the number of parts can be reduced. In addition, the manufacturing process can be simplified as compared with the case of winding a conventional tape.

  In the above configuration, the housing is a member that holds the plurality of terminals, and the protection member individually stores the flexible conductive members provided in each of the plurality of terminals. You may have.

  According to said structure, when a connector is provided with a some terminal, it becomes easy to protect a some flexible conductive member in the state insulated from each other.

  According to the technology disclosed in the present specification, it is possible to provide a connector that can reduce the number of components and simplify the manufacturing process.

Front view of the connector of the embodiment Plan view of the connector of the embodiment Side view of connector of embodiment AA line sectional view of FIG. BB sectional view of FIG. The front view which shows the state which assembled | attached the 1st protection member to the housing

  An embodiment will be described with reference to FIGS. The connector of the present embodiment is an inverter connector 1 (hereinafter sometimes abbreviated as “connector 1”) attached to an inverter case 70 that houses an inverter therein. The inverter case 70 is placed on and coupled to a motor case (not shown) that houses a motor therein, and at that time, the motor connector assembled to the motor case is fitted to the inverter connector 1. It has become so.

  The inverter connector 1 is a three-pole connector, and as shown in FIG. 1, three inverter terminals 10 (corresponding to terminals), a housing 20 that holds these inverter terminals 10, and a housing 20 The bracket 30 is fixed to the inverter case 70, and the protective member 40 is attached to the housing 20 to prevent the inverter terminal 10 from being detached from the housing 20 and protect the inverter terminal 10.

  As shown in FIG. 4, the inverter terminal 10 includes a device terminal 11 (corresponding to a terminal fitting) connected to an output terminal (not shown) of the inverter and a connection terminal connected to a motor terminal included in the motor connector. 14 (corresponding to a terminal fitting) is connected through a braided wire 17 (corresponding to a flexible conductive member).

  The device terminal 11 is a member formed by punching and bending a metal plate, and includes a device connection portion 12 connected to the output terminal of the inverter and a barrel portion 13 connected to the device connection portion 12. ing. The connection terminal 14 is a member formed by punching and bending a metal plate, and includes a terminal connection portion 15 connected to a male terminal provided in the motor connector, and a barrel portion continuous from the terminal connection portion 15. 16.

  The braided wire 17 is a cylindrical member formed by braiding a plurality of thin metal wires made of copper or copper alloy into a mesh shape, and has conductivity and flexibility. One end portion of both ends of the braided wire 17 is fixed to the barrel portion 13 of the device terminal 11, and the other end portion is fixed to the barrel portion 16 of the connection terminal 14. The barrel portion 13 of the device terminal 11 includes a bottom plate 13A and a pair of barrel pieces 13B that rise from the bottom plate 13A and face each other. The terminal of the braided wire 17 is fixed to the barrel portion 13 by placing the end of the braided wire 17 on the bottom plate 13A and crimping the pair of barrel pieces 13B to the braided wire 17. The same applies to the barrel portion 16 of the connection terminal 14.

  The housing 20 is made of synthetic resin, and has a housing body 21 and a flange portion 27 as shown in FIGS. 1 and 3. The housing main body 21 is a long cylindrical portion that can be fitted to the motor connector on the other side, has an oval outer shape, and has two end faces (fitting surface 22 and Device surface 23) and an outer peripheral surface 24 connecting the outer peripheral edges of these two surfaces.

  As shown in FIGS. 3 and 4, three terminal accommodating chambers 25 penetrating from the device surface 23 to the fitting surface 22 are arranged inside the housing main body 21. As shown in FIG. 4, each terminal accommodating chamber 25 has openings 25E1 and 25E2 on the device surface 23 and the fitting surface 22, and is defined by an inner peripheral wall 25I that connects between the opening edges of both the openings 25E1 and 25E2. Space. Each terminal accommodating chamber 25 accommodates the connection terminal 14 of each inverter terminal 10. The braided wire 17 and the equipment terminal 11 are led out of the housing body 21 through the opening 25E1 on the equipment surface 23 side.

  As shown in FIG. 4, a lance 26 is disposed inside each terminal accommodating chamber 25. The lance 26 is a portion extending obliquely from the inner peripheral wall 25I of the terminal accommodating chamber 25 toward the fitting surface 22, and approaches the inner peripheral wall 25I with a base end connected to the inner peripheral wall 25I as a fulcrum. Alternatively, it can be elastically bent in the direction of separation. By connecting the connection terminal 14 to the lance 26, the connection terminal 14 is primarily locked.

  As shown in FIG. 4, the inner peripheral wall 25 </ b> I of each terminal accommodating chamber 25 has an enlarged diameter portion 25 </ b> L that extends from the device surface 23 and extends outward from the other portions. The rubber plug R is fitted. The rubber stopper R is an annular member made of rubber, and a braided wire 17 is inserted through the rubber stopper R.

  As shown in FIGS. 1 and 3, the flange portion 27 is a bowl-shaped portion that protrudes outward from the outer peripheral surface of the housing main body 21, and is disposed close to the device surface 23.

  As shown in FIGS. 5 and 6, the housing 20 has four fitting receiving portions 28 for assembling the protection member 40. Each fitting receiving portion 28 is a concave portion recessed inward with respect to the outer peripheral surface 24 of the housing 20.

  The bracket 30 is a metal plate-like member, and has a housing insertion hole 31 and two screw insertion holes 32. As shown in FIG. 3, the housing insertion hole 31 is a hole having an oval hole edge penetrating from one plate surface of the bracket 30 to the other plate surface, and the housing main body 21 can be inserted therein. Has been. As shown in FIG. 2, the two screw insertion holes 32 are holes that penetrate from one plate surface of the bracket 30 to the other plate surface, and insert screws for screwing the bracket 30 to the inverter case 70. It is possible.

  The protection member 40 is made of a synthetic resin, and includes a first protection member 41 and a second protection member 51 that are assembled together as shown in FIG. The first protective member 41 has a main wall portion 42, two side wall portions 43, three pairs of insulating walls 45A, 45B, 45C, six lock receiving portions 46, and two fitting protrusions 47. doing.

  The main wall portion 42 has a plate shape that is long in one direction as a whole, and has two long sides 42L1 and 42L2 and two short sides. The lengths of the two long sides 42L1 and 42L2 are different from each other. The shorter one is the first long side 42L1, and the longer one is the second long side 42L2.

  A part of the main wall portion 42 is a first retainer portion 44 (corresponding to a retainer portion) that covers a part of the housing body 21 (a portion closer to the device surface 23 than the flange portion 27). The first retainer portion 44 is disposed adjacent to the first long side 42L1. As shown in FIG. 4, the first retainer portion 44 bulges outward with respect to the remaining portion of the main wall portion 42, and includes a surrounding wall portion 44S and a retaining wall portion 44L. The surrounding wall portion 44S is a portion that extends along the outer peripheral surface 24 of the housing body 21, and the retaining wall portion 44L is a portion that continues from the surrounding wall portion 44S and covers the peripheral portion of the device surface 23. The retaining wall portion 44L extends to a position slightly inside the hole edge of the opening 25E1 of each terminal accommodating chamber 25.

  Each of the two side wall portions 43 is a plate-like portion that rises perpendicularly to the main wall portion 42 from each of the two short sides of the main wall portion 42. The two side wall portions 43 are arranged to face each other. The two side wall parts 43 have a vertical part 43V and an inclined part 43T. The vertical portion 43V is a half adjacent to the first long side 42L1 and extends perpendicular to the first long side 42L1. The inclined portion 43T is the remaining half near the second long side 42L2, and is inclined outward (in a direction away from the other side wall portion 43) as it approaches the second long side 42L2.

As shown in FIG. 6, the three pairs of insulating walls 45 </ b> A, 45 </ b> B, 45 </ b> C are wall portions that continue from the inner side surface (the surface facing the inverter terminal 10) of the main wall portion 42.
A pair (first insulating wall 45A) of the three pairs of insulating walls 45A, 45B, and 45C is disposed adjacent to one of the two side wall portions 43 as shown in FIG. Each of the pair of first insulating walls 45A is a wall portion rising from the main wall portion 42 and extends from the first retainer portion 44 toward the second long side 42L2. The pair of first insulating walls 45A are arranged with a space therebetween.

  The other pair (third insulating wall 45 </ b> C) is disposed adjacent to the other side wall portion 43 of the two side wall portions 43. Each of the pair of third insulating walls 45C is a wall portion that rises from the main wall portion 42, like the first insulating wall 45A, and extends from the first retainer portion 44 toward the second long side 42L2. The pair of third insulating walls 45C are arranged with a space therebetween.

  The remaining pair (second insulating wall 45B) is disposed between the first insulating wall 45A and the second insulating wall 45B. Each of the pair of second insulating walls 45B is a wall portion that rises from the main wall portion 42, like the two pairs of insulating walls 45A and 45C, and extends from the first retainer portion 44 toward the second long side 42L2. It extends. The pair of second insulating walls 45B are arranged with a space therebetween.

  The pair of second insulating walls 45B extends perpendicular to the second long side 42L2. The pair of first insulating walls 45A and the pair of third insulating walls 45C are curved so as to move away from the second insulating wall 45B as they approach the second long side 42L2.

  The six lock receiving portions 46 are portions for assembling with the second protection member 51. Two of the six lock receiving portions 46 are arranged along one side wall portion 43, the other two are arranged along the other side wall portion 43, and the other two are second insulating walls. 45B is disposed between them.

  The two fitting protrusions 47 are parts for assembling with the housing main body 21. As shown in FIG. 5, each fitting projection 47 is a protruding piece continuous from the surrounding wall portion 44 </ b> S, and is aligned with each fitting receiving portion 28 when the first protection member 41 is assembled to the housing body 21. It is arranged at the position to

  The second protective member 51 includes a cover wall portion 52, six lock pieces (not shown), and two fitting protrusions 54. The cover wall portion 52 is a wall portion having substantially the same shape as the main wall portion 42 of the first protection member 41, and has a second retainer portion 53 (corresponding to a retainer portion). The 2nd retainer part 53 is the same shape as the 1st retainer part 44, and as shown in FIG. 4, it has the surrounding wall part 53S and the retaining wall part 53L. Although not shown in detail, each of the six lock pieces is a projecting piece that engages with the six lock receiving portions 46. As shown in FIG. 5, the two fitting protrusions 54 are protruding pieces that are continuous from the surrounding wall portion 53 </ b> S. When the second protective member 51 is assembled to the housing main body 21, It is arranged at a matching position.

  A part of the main wall part 42, a pair of first insulating walls 45A, and a part of the cover wall part 52 constitute a first braided wire accommodation part 61A (corresponding to a conductive member accommodation part). Similarly, a part of the main wall part 42, a pair of second insulating walls 45B, and a part of the cover wall part 52 constitute a second braided wire accommodation part 61B (corresponding to a conductive member accommodation part). A part of the main wall part 42, a pair of third insulating walls 45C, and a part of the cover wall part 52 constitute a third braided wire accommodation part 61C (corresponding to a conductive member accommodation part). . The braided wire 17 of each inverter terminal 10 can be accommodated inside each of the three braided wire accommodating portions 61A, 61B, 61C.

  When the protective member 40 is assembled to the housing 20, first, the first protective member 41 is assembled so as to be along the housing body 21 and the inverter terminal 10. At this time, as shown in FIG. 3, the braided wire 17 of the inverter terminal 10 disposed at one end of the three inverter terminals 10 is surrounded by a pair of first insulating walls 45 </ b> A and a part of the main wall portion 42. Is housed inside the open space. Similarly, the braided wire 17 of the inverter terminal 10 disposed at the other end is accommodated in a space surrounded by the pair of third insulating walls 45C and a part of the main wall portion 42, and the inverter terminal 10 in the middle The braided wire 17 is accommodated in a space surrounded by the pair of second insulating walls 45B and a part of the main wall portion. Further, the end portion of the housing main body 21 is fitted into the first retainer portion 44, and each of the two fitting protrusions 47 is fitted into each of the two fitting receiving portions 28.

  Next, the second protective member 51 is assembled. Each of the six lock pieces engages with each of the six lock receiving portions 46 of the first protection member 41, whereby the second protection member 51 is assembled to the first protection member 41. At this time, the end portion of the housing main body 21 is fitted into the second retainer portion 53, and each of the two fitting projections is fitted into each of the two fitting receiving portions 28.

  The first protective member 41 and the second protective member 51 constitute a substantially cylindrical protective member 40 in a state where they are assembled together, and a part of the housing body 21 and the braided wire 17 are accommodated therein. ing. Specifically, as shown in FIG. 4, a part of the housing body 21 (closer to the device surface 23 than the flange portion 27) is inside the space surrounded by the first retainer portion 44 and the second retainer portion 53. Part) is housed. The retaining wall portions 44L and 53L project to a position slightly inward from the opening edge on the device surface 23 side of each terminal accommodating chamber 25 and come into contact with the rubber plug R. The barrel portion 16 of the connection terminal 14 contacts the rubber plug R. As a result, the detachment of the connection terminal 14 from the terminal accommodating chamber 25 is restricted.

  The braided wire 17 provided in the inverter terminal 10 disposed at one end of the three inverter terminals 10 is accommodated in the first braided wire accommodating portion 61A. Similarly, the braided wire 17 of the middle inverter terminal 10 is accommodated in the second braided wire accommodating portion 61B, and the braided wire 17 of the inverter terminal 10 at the other end is accommodated in the third braided wire accommodating portion 61C. Is housed. Thus, the braided wires 17 are protected while being insulated from each other.

  As shown in FIG. 3, among the three inverter terminals 10, the braided wire 17 of the inverter terminal 10 disposed at one end is curved along the curved shape of the first insulating portion 45 </ b> A. Further, the braided wire 17 of the inverter terminal 10 disposed at the other end is curved along the curved shape of the third insulating wall 45C. As a result, the three inverter terminals 10 are arranged at a pitch greater in the device terminals 11 than in the connection terminals 14.

  As described above, according to the present embodiment, the connector 1 includes the inverter terminal 10, the housing 20, and the protection member 40. Each inverter terminal 10 includes a device terminal 11 and a connection terminal 14, and a braided wire 17 having flexibility and conductivity and connecting the device terminal 11 and the connection terminal 14. The housing 20 has a plurality of terminal accommodating chambers 25 for accommodating the connection terminals 14 therein, and holds the inverter terminal 10 in a state where the braided wire 17 and the equipment terminal 11 are led out from the terminal accommodating chamber 25. The protective member 40 is assembled from the first retainer portion 44 and the second retainer portion 53 that are assembled to the housing 20 and restricts the connection terminal 14 from being detached from the terminal accommodating chamber 25, and the first retainer portion 44 and the second retainer portion 53. The braided wire accommodating portions 61A, 61B, and 61C that accommodate the braided wire 17 therein are provided.

  According to said structure, the protection member 40 serves as the member which controls the detachment | leave from the terminal storage chamber 25 of the connecting terminal 14, and the member which accommodates the braided wire 17 and protects it inside. Thereby, the number of parts can be reduced. In addition, the manufacturing process can be simplified as compared with the case of winding a conventional tape.

  The housing 20 is a member that holds the plurality of inverter terminals 10, and the protection member 40 includes a plurality of braided wire housing portions 61 </ b> A and 61 </ b> B that individually house the braided wires 17 provided in the plurality of inverter terminals 10. 61C.

  According to said structure, when the connector 1 is provided with the some inverter terminal 10, it becomes easy to protect the some braided wire 17 in the state insulated from each other.

<Other embodiments>
The technology disclosed in the present specification is not limited to the embodiments described with reference to the above description and drawings, and includes, for example, the following various aspects.
(1) In the above embodiment, the flexible conductive member is the braided wire 17, but the flexible conductive member may be a member having flexibility and conductivity, for example, a stranded wire, a coil spring, or the like. It does not matter.

(2) In the above embodiment, the inverter connector 1 is a three-pole connector including the three inverter terminals 10, but the connector may be two or less poles, or four or more poles.

(3) In the said embodiment, although the connector was the connector 1 for inverters assembled | attached to the inverter case 70, you may be a connector of other uses.

1. Inverter connector (connector)
10 ... Inverter terminal (terminal)
11 ... Equipment terminal (terminal fitting)
14 ... Connection terminal (terminal fitting)
17 ... Braided wire (flexible conductive member)
DESCRIPTION OF SYMBOLS 20 ... Housing 25 ... Terminal accommodating chamber 40 ... Protection member 44 ... 1st retainer part (retainer part)
53 ... 2nd retainer part (retainer part)
61A ... 1st braided wire accommodation part (conductive member accommodation part)
61B ... 2nd braided wire accommodation part (conductive member accommodation part)
61C ... Third braided wire housing part (conductive member housing part)

Claims (2)

A terminal having a plurality of terminal fittings, a flexible conductive member having flexibility and conductivity, and connecting the plurality of terminal fittings;
A housing for holding one terminal fitting among the plurality of terminal fittings, and holding the terminal in a state in which the flexible wire member is led out from the terminal receiving chamber;
A retainer portion that is assembled to the housing and restricts removal of the one terminal fitting from the terminal housing chamber; and a conductive member housing portion that is connected to the retainer portion and houses the flexible conductive member therein. A connector comprising a protective member. The housing is a member for holding a plurality of the terminals;
The connector according to claim 1, wherein the protection member includes a plurality of the conductive member housing portions that individually house the flexible conductive members provided in the plurality of terminals.

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