JP2017062953A - Connector attaching structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decrease a connector attaching space in an engine room.SOLUTION: A connector attaching structure 1 is equipped with a pedestal portion 82 provided on a case wall 81 of an apparatus case 80; and a bipolar connector 10 and a triple-pole connector 50 attached and aligned on the pedestal portion 82. The bipolar connector 10 is equipped with a housing 20 storing a terminal fitting 40 inside, and a shield shell 30 assembled to the housing 20 and attached to the pedestal portion 82. In the same way, the triple-pole connector 50 is equipped with a housing 60 and a shield shell 70. The shield shells 30 and 70 respectively have attaching pieces 35, 75, and the pedestal portion 82 has fixing columns 85A, 85B, 85C, and 85D to which the attaching pieces 35 and 75 are fixed. One of the two attaching pieces 35 provided in the bipolar connector 10, and one of the two attaching pieces 75 of the triple-pole connector 50 are fixed to one fixing column 85B.SELECTED DRAWING: Figure 3

Description

  The technology disclosed in this specification relates to a connector mounting structure.

  Conventionally, as a connector that is attached to a device case that accommodates a device such as a motor mounted on an electric vehicle or a hybrid vehicle, a shield plate that is fixed to the device case, a housing that is held by the shield plate, and a housing that is held by the housing A connector including a shielded electric wire with a terminal is known (see Patent Document 1). The shield plate has attachment holes arranged at both ends, and the connector is fixed to the device case by screwing bolts inserted through the attachment holes into the screw holes of the device case.

JP 2010-55924 A

In said structure, the space for arrange | positioning an attachment hole at the both ends of a shield board is needed, respectively.
In recent years, with the increase in the number of electrical components accompanying higher performance of vehicles and the increase in living space, it is required to reduce the mounting space for connectors in the engine room.

  The connector mounting structure disclosed by the present specification is a connector mounting structure including a connector mounting portion provided on the case wall of a case including a case wall, and a plurality of connectors attached to the connector mounting portion, Each of the plurality of connectors includes a housing in which a terminal fitting is accommodated, and an attachment member that is assembled to the housing and attached to the connector attachment portion, and the attachment member has a fixing portion, and the connector The mounting portion has a fixed portion to which the fixing portion is fixed, and one of the plurality of connectors provided in one connector and the other connector adjacent to the one connector has another The fixed part is fixed to one fixed part.

  According to said structure, the space | interval for arrange | positioning a fixing | fixed part can be reduced by the part which the fixing | fixed part which each of two adjacent connectors have shares the one to-be-fixed part, and the attachment space of a connector is reduced. Can be small.

  In the above connector mounting structure, the case is a member that houses therein a first device connected to a power source, and the one connector is a connector that connects the power source to the first device, The other connector is a connector for connecting a second device arranged outside the case to the first device, the one fixing portion provided in the one connector, and the other connector. The other fixed portion may be arranged so as to overlap the fixed portion in order of the other fixed portion and the one fixed portion.

  According to the above configuration, when another connector is attached to or detached from the connector attachment portion, one connector connected to the power supply is always removed from the connector attachment portion, that is, the power is off. Become. That is, it is possible to make one connector play a role as an interlock mechanism when handling other connectors.

  According to the technology disclosed in this specification, when a plurality of connectors are arranged side by side and attached to the device case, the space for attaching the connectors can be reduced.

The perspective view which shows the connector attachment structure of embodiment Exploded perspective view of the connector mounting structure of the embodiment The perspective view which shows a mode that the connector has been arrange | positioned at the base part of the apparatus case of embodiment. The top view which shows a mode that the connector has been arrange | positioned at the base part of the apparatus case of embodiment The perspective view of the 2 pole connector of embodiment The perspective view of the 3 pole connector of embodiment The perspective view of the base part arrange | positioned at the apparatus connector of embodiment The perspective view of the shell cover of embodiment The schematic block diagram of the apparatus connected by the connector of embodiment

  A first embodiment will be described with reference to FIGS. The connector mounting structure 1 of the present embodiment is a structure provided in a vehicle such as a hybrid vehicle or an electric vehicle. As shown in FIG. 1, a pedestal portion 82 ( Corresponding to a connector attaching portion), two connectors 10 and 50 attached to the pedestal portion 82, and a shell cover 90 that collectively covers the two connectors 10 and 50.

  As shown in FIG. 9, an inverter 87 (corresponding to the first device) is accommodated in the device case 80, and the inverter 87 is a battery 88 (corresponding to a power source) disposed outside the device case 80. ) And a three-phase motor 89 (corresponding to the second device). One of the two connectors 10 and 50 is a two-pole connector 10 (corresponding to one connector) for connecting the inverter 87 and the battery 88, and the other is an inverter 87 and a three-phase motor 89 (second device). Is a three-pole connector 50 (corresponding to other connectors).

[2-pole connector 10]
As shown in FIG. 5, the two-pole connector 10 includes two terminal fittings 40, a housing 20, and a shield shell 30 (corresponding to an attachment member).

  Each of the two terminal fittings 40 is made of metal, and as shown in FIG. 5, one end portion is a flat tab portion 41, and an electric wire (not shown) is crimped to the other end portion. ing.

  The housing 20 is made of synthetic resin. As shown in FIGS. 4 and 5, the housing 20 includes a housing main body 21, a fitting portion 25 that is continuous from the housing main body 21, and an electric wire receiving portion 26 that is also continuous from the housing main body 21. Have. The housing body 21 is a portion that accommodates the tab portion 41 therein, the fitting portion 25 is a portion that is assembled to the pedestal portion 82, and the electric wire accommodating portion 26 connects the other end portion of the terminal fitting 40 and the electric wire. It is a part to house.

  As shown in FIG. 5, the housing main body 21 is a bottomed cylindrical portion having one end opened, and has a bottom wall portion 22 having a trapezoidal outer shape as a whole, and a bottom wall portion from the periphery of the bottom wall portion 22. And a cylindrical side wall portion 23 extending perpendicularly to 22. As shown in FIG. 4, the side wall portion 23 has a substantially rectangular tube shape having two parallel walls 23A1, 23A2 arranged in parallel to each other and two connection walls 23B connecting the two parallel walls 23A1, 23A2. It has become. Of the two parallel walls 23A1 and 23A2, the width of one parallel wall 23A1 (the length in the direction perpendicular to the axial direction of the cylinder) is shorter than the width of the other parallel wall 23A2. The opening of the housing main body 21 is a work opening 24 for an operator to perform the work of attaching the two-pole connector 10 to the device case 80.

  As shown in FIG. 5, the fitting portion 25 is a rectangular tube-shaped portion with rounded corners extending from the bottom wall portion 22 in the direction opposite to the side wall portion 23. The outer shape of the fitting portion 25 is slightly smaller than that of the housing body 21.

  The electric wire accommodating portion 26 is a cylindrical portion that extends outward from one parallel wall 23A1 of the side wall portion 23 in a direction perpendicular to the parallel wall 23A1. Although not shown in detail, the electric wire housing part 26 has two cavities penetrating in the axial direction of the cylinder. The other end portion of each terminal fitting 40 and the electric wire are arranged inside the electric wire housing portion 26, and the tab portion 41 passes through the parallel wall 23 </ b> A <b> 1 and faces the inside of the housing body 21.

  The shield shell 30 is a member that is formed by punching and bending a metal plate, drawing, or the like, and is attached to the housing 20. As shown in FIG. 5, the shield shell 30 includes a shell main body portion 31 that accommodates the electric wire accommodating portion 26 and an attachment plate portion 32 that is continuous from the shell main body portion 31.

  The shell main body portion 31 has a cylindrical shape with both ends opened, and covers the outer periphery of the electric wire housing portion 26 over the entire circumference.

  The mounting plate portion 32 includes a first flat plate portion 33, a second flat plate portion 34, and two mounting pieces 35.

  As shown in FIG. 5, the first flat plate portion 33 extends from one opening edge of the shell main body portion 31 (opening edge facing the parallel wall 23 </ b> A <b> 1 when attached to the electric wire housing portion 26) to the shell main body portion 31. It is a flat plate-like portion extending perpendicularly to the outside. The first flat plate portion 33 is disposed in parallel with the parallel wall 23A1 in a state where the shield shell 30 is mounted on the housing 20.

  As shown in FIG. 5, the second flat plate portion 34 is a flat plate-like portion that extends perpendicularly to the first flat plate portion 33 from the edge of the first flat plate portion 33. The second flat plate portion 34 extends toward the housing body 21 in a state where the shield shell 30 is mounted on the housing 20, and is disposed perpendicular to the axial direction of the housing body 21.

  As shown in FIG. 5, the two attachment pieces 35 (corresponding to one fixed portion) are plate-like portions extending from the second flat plate portion 34 toward the opposite side to the first flat plate portion 33, respectively. is there. As shown in FIG. 4, the two attachment pieces 35 are disposed with the parallel wall 23 </ b> A <b> 1 of the housing body 21 interposed therebetween. Each attachment piece 35 has a bolt insertion hole 36. The bolt insertion hole 36 is a through-hole penetrating from one surface of the attachment piece 35 to the other surface.

  As shown in FIG. 5, a shield member 37 is attached to the shell main body 31 to collectively cover a plurality of electric wires drawn from the electric wire accommodating portion 26.

  As shown in FIG. 2, a service cover C <b> 1 is attached to the housing body 21. The service cover C <b> 1 is a member that is press-fitted into the housing body 21 from the work opening 24 and closes the work opening 24.

[3-pole connector 50]
As shown in FIG. 6, the three-pole connector 50 includes three terminal fittings 40, a housing 60, and a shield shell 70 (corresponding to an attachment member). Since each of the three terminal fittings 40 has the same configuration as that of the terminal fitting 40 provided in the three-pole connector 50, the same reference numerals are given and description thereof is omitted.

  The housing 60 is made of synthetic resin. As shown in FIGS. 4 and 6, the housing 60 includes a housing main body 61, a fitting portion 65 that is continuous from the housing main body 61, and an electric wire receiving portion 66 that is also continuous from the housing main body 61. Have. The housing main body 61 is a portion that accommodates the tab portion 41 therein, the fitting portion 65 is a portion that is assembled to the pedestal portion 82, and the electric wire accommodating portion 66 connects the other end portion of the terminal fitting 40 and the electric wire. It is a part to house.

  As shown in FIG. 6, the housing body 61 is a bottomed cylindrical portion having one end opened, and has a bottom wall portion 62 having a rectangular outer shape with rounded corners, and a peripheral edge of the bottom wall portion 62. And a cylindrical side wall 63 extending perpendicularly to the bottom wall 62. As shown in FIG. 4, the side wall 63 has a substantially rectangular tube shape having two long walls 63A1 and 63A2 arranged in parallel to each other and two short walls 63B connecting the two long walls 63A1 and 63A2. Yes. The opening of the housing body 61 is a work opening 64 for the operator to perform the work of attaching the three-pole connector 50 to the device case 80.

  As shown in FIG. 6, the fitting portion 65 is a cylindrical portion that extends from the bottom wall portion 62 in the direction opposite to the side wall portion 63. The outer shape of the fitting portion 65 is slightly smaller than that of the housing body 61.

  As shown in FIG. 4, the electric wire housing portion 66 is a cylindrical portion extending outward from one long wall 63A1 of the two long walls 63A1 and 63A2 of the side wall portion 63 in a direction perpendicular to the long wall 63A1. It is. Although not shown in detail, the electric wire housing portion 66 has three cavities penetrating in the axial direction of the cylinder. The other end portion of each terminal fitting 40 and the electric wire are arranged inside the electric wire housing portion 66, and the tab portion 41 passes through the long wall 63 </ b> A <b> 1 and faces the inside of the housing main body 61.

  The shield shell 70 is a member that is formed by stamping, bending, drawing, or the like of a metal plate and is attached to the housing 60. As shown in FIG. 6, the shield shell 70 includes a shell main body portion 71 that accommodates the electric wire housing portion 66 therein, and a mounting plate portion 72 that is continuous from the shell main body portion 71.

  The shell main body 71 has a cylindrical shape whose both ends are open, and covers the outer periphery of the wire housing portion 66 over the entire circumference.

  The mounting plate portion 72 includes a first flat plate portion 73, a second flat plate portion 74, and two mounting pieces 75.

  As shown in FIG. 6, the first flat plate portion 73 is connected to the shell main body 71 from one opening edge of the shell main body portion 71 (opening edge facing the long wall 63 </ b> A <b> 1 when attached to the electric wire housing portion 66). It is a flat plate-like portion extending vertically outward. The first flat plate portion 73 is disposed in parallel with the outer wall surface of the long wall 63A1 when the shield shell 70 is mounted on the housing 60.

  As shown in FIG. 6, the second flat plate portion 74 is a flat plate-like portion that extends perpendicularly to the first flat plate portion 73 from the edge of the first flat plate portion 73. The second flat plate portion 74 extends toward the housing body 61 in a state where the shield shell 70 is mounted on the housing 60, and is disposed perpendicular to the axial direction of the housing body 61.

  As shown in FIG. 6, the two attachment pieces 75 (corresponding to other fixing portions) are plate-like portions extending from the second flat plate portion 74 toward the side opposite to the first flat plate portion 73, respectively. is there. As shown in FIG. 4, the two attachment pieces 75 are disposed with the long wall 63 </ b> A <b> 1 of the housing body 61 interposed therebetween. Each attachment piece 75 has a bolt insertion hole 76. The bolt insertion hole 76 is a through-hole penetrating from one surface of the attachment piece 75 to the other surface.

  The shell main body 71 is fitted with a shield conductor (not shown) that collectively covers a plurality of electric wires drawn out from the electric wire accommodating portion 66, and is caulked by a caulking ring 77.

  A service cover C2 is attached to the housing body 61 as shown in FIG. The service cover C <b> 2 is a member that is press-fitted into the housing main body 61 from the work opening 64 and closes the work opening 64.

[Equipment case 80]
The device case 80 is a metal box having an electromagnetic shielding function, and has a case wall 81 that separates an internal space for housing the device from an external space. As shown in FIG. 7, the case wall 81 is provided with a pedestal portion 82 for mounting the two connectors 10 and 50, and the pedestal portion 82 extends from the surface facing the outside of the device case 80 to the inside. There are two mounting holes 83 and 84 that penetrate to the facing surface, and four fixing columns 85A, 85B, 85C, and 85D.

  One of the two mounting holes 83, 84 is a first mounting hole 83 for the two-pole connector 10, and can tightly store the electric wire housing portion 26 inside. The other is a second mounting hole 84 for the three-pole connector 50, in which the electric wire housing portion 66 can be tightly housed. The two mounting holes 83 and 84 are arranged side by side.

  Each of the four fixed columns 85A, 85B, 85C, 85D has a cylindrical shape standing from the pedestal portion 82, and has bolt holes 86A, 86B, 86C, 86D for screwing bolts 94, respectively. doing. Of the four fixed columns 85A, 85B, 85C, and 85D, three fixed columns 85A, 85B, and 85C are arranged in a row on one side (lower right side in FIG. 7) with respect to the row of the two mounting holes 83 and 84. The remaining one fixed column 85D is arranged on the other side (the upper left side in FIG. 7).

[Shell cover 90]
The shell cover 90 is a member formed by processing a thin metal plate material with a press or the like. As shown in FIG. 8, the main plate 91 attached to the pedestal portion 82 and the main plate 91 from the outer peripheral edge to the main plate 91. And a side plate 92 extending vertically.

  The main plate 91 is formed in a substantially rectangular shape that is long in one direction as a whole, and can completely cover the working openings 24 and 64 of the two connectors 10 and 50 when attached to the pedestal portion 82. It is said to be a big size. In the side plate 92, the wire housing portions 26 and 66 of the two connectors 10 and 50 among the four sides of the main plate 91 are arranged in a state where the shell cover 90 is attached to the pedestal portion 82 together with the two connectors 10 and 50. They are arranged in a row on three sides excluding one side (one side on the lower left in FIG. 1).

  The main plate 91 has four bolt insertion holes 93A, 93B, 93C, 93D. The four bolt insertion holes 93 </ b> A, 93 </ b> B, 93 </ b> C, and 93 </ b> D are arranged at positions that align with the four fixing columns 85 </ b> A, 85 </ b> B, 85 </ b> C, and 85 </ b> D in a state where the shell cover 90 is attached to the pedestal portion 82.

[Assembly of the two connectors 10 and 50 and the shell cover 90 to the device case 80]
First, the three-pole connector 50 is attached to the pedestal portion 82. The fitting portion 65 is fitted into the second mounting hole 84. At this time, one of the two mounting pieces 75 overlaps the middle fixing column 85B among the three fixing columns 85A, 85B, 85C arranged in one row, and the fixing column 85B sandwiches the second mounting hole 84. The other mounting piece 75 overlaps with the fixed column 85A disposed on the opposite side. Next, after the terminal fitting 40 is connected to a terminal block (not shown) inside the device case 80 by a relay terminal (not shown), the service cover is press-fitted into the housing body 61 from the work opening 64. The opening 64 is closed.

  Next, the two-pole connector 10 is attached to the pedestal portion 82. First, the fitting portion 25 is fitted into the first mounting hole 83. At this time, one of the two attachment pieces 35 of the two-pole connector 10 overlaps with the attachment piece 35 of the three-pole connector 50 superimposed on the fixed pillar 85B, and the fixed pillar 85B is sandwiched between the first attachment holes 83. The other mounting piece 35 overlaps the fixed column 85C disposed on the opposite side. Since the fixed column 85C is higher than the fixed columns 85A and 85B by the thickness of the mounting piece 75, the two-pole connector 10 can be mounted without being inclined with respect to the pedestal portion 82. Then, after the terminal fitting 40 is connected to a terminal block (not shown) inside the device case 80 by a relay terminal (not shown), the service cover is press-fitted into the housing body 21 from the work opening 24. The opening 24 for use is closed.

  Next, the shell cover 90 is attached to the pedestal portion 82. The shell cover 90 is covered with the two connectors 10 and 50. Then, one of the plurality of bolts 94 is inserted into the bolt insertion holes 93A and 76 and tightened into the bolt hole 86A. Similarly, the other one of the plurality of bolts 94 is inserted into the bolt insertion holes 93B, 76, 36 and tightened into the bolt hole 86B, and the other one is inserted into the bolt insertion holes 93C, 36. Then, the bolt hole 86C is tightened, and the remaining one is inserted into the bolt insertion hole 93D and tightened into the bolt hole 86D. As a result, the two connectors 10 and 50 together with the shell cover 90 are fixed to the pedestal portion 82.

[Function and effect]
As described above, according to the present embodiment, the connector mounting structure 1 includes the pedestal portion 82 provided on the case wall 81 of the device case 80, and the two-pole connector 10 and the three-pole connector that are mounted side by side on the pedestal portion 82. 50. The two-pole connector 10 includes a housing 20 that houses the terminal fitting 40 therein, and a shield shell 30 that is assembled to the housing 20 and attached to the pedestal portion 82. Similarly, the three-pole connector 50 is also shielded from the housing 60. A shell 70. Each shield shell 30, 70 has mounting pieces 35, 75, and the pedestal portion 82 has fixed columns 85 A, 85 B, 85 C, 85 D to which the mounting pieces 35, 75 are fixed. One of the two attachment pieces 35 provided in the two-pole connector 10 and one of the two attachment pieces 75 included in the three-pole connector 50 are fixed to one fixed column 85B.

  According to such a configuration, the mounting pieces 35 and 75 are disposed so that the mounting piece 35 of the two-pole connector 10 and the mounting piece 75 of the three-pole connector share one fixed column 85B. The space for mounting the connectors 10 and 50 can be reduced.

  The device case 80 is a member that accommodates an inverter 87 connected to the battery 88, the two-pole connector 10 is a connector that connects the battery 88 to the inverter 87, and the three-pole connector 89 is a device case. A connector for connecting a three-phase motor 89 disposed outside the inverter 80 to the inverter 87. The mounting piece 35 provided in the two-pole connector 10 and the mounting piece 75 provided in the three-pole connector 50 are attached to the fixing pole 85B, the mounting piece 75 of the three-pole connector 50, and the mounting piece of the two-pole connector 10. They are arranged in the order of 35.

  That is, when the connectors 10 and 50 are attached to the pedestal portion 82, the three-pole connector 50 is attached first, and when the connectors 10 and 50 are removed from the pedestal portion 82, the two-pole connector 10 is attached. Will be removed first. In other words, when the three-pole connector 50 is attached to or detached from the pedestal portion 82, the two-pole connector 10 connected to the battery 88 is always removed from the pedestal portion 82, that is, the power is turned off. . According to such a configuration, the two-pole connector 10 can be made to play a role as an interlock mechanism when the three-pole connector 50 is handled.

<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) According to the above embodiment, the two connectors 10 and 50 and the shell cover 90 share the fixing pillars 85A, 85B, 85C, and 85D, but a fixed portion for fixing the connector; The fixed part for fixing the shell cover may be arranged separately.

(2) In the above-described embodiment, the two connectors 10 and 50 are attached to the pedestal portion 82. However, three or more connectors are attached to the connector attachment portion, and each of a plurality of adjacent connector sets is fixed. Departments may be shared.

1 ... Connector mounting structure 10 ... 2-pole connector (one connector)
20 ... Housing 30 ... Shield shell (mounting member)
35 ... Mounting piece (one fixed part)
40 ... Terminal fitting 50 ... 3-pole connector (other connectors)
60 ... Housing 70 ... Shield shell (mounting member)
75 ... Mounting piece (other fixed part)
80 ... Case 81 ... Case wall 82 ... Pedestal part (connector mounting part)
85A, 85B, 85C, 85D ... Fixed column (fixed part)
87 ... Battery (Power)
88 ... Inverter (first device)
89 ... Three-phase motor (second device)

Claims (2)

A connector mounting portion provided on the case wall of the case including the case wall;
A connector mounting structure comprising a plurality of connectors attached to the connector mounting portion,
Each of the plurality of connectors includes a housing in which a terminal fitting is accommodated, and an attachment member attached to the housing and attached to the connector attachment portion.
The mounting member has a fixing portion; the connector mounting portion has a fixed portion to which the fixing portion is fixed;
One fixing portion provided in one connector of the plurality of connectors and another fixing portion included in another connector adjacent to the one connector are fixed to the one fixed portion. Connector mounting structure. The case is a member that houses therein a first device connected to a power source,
The one connector is a connector that connects the power source to the first device, and the other connector is a connector that connects a second device arranged outside the case to the first device. ,
The one fixing portion provided in the one connector and the other fixing portion provided in the other connector are in order of the other fixing portion and the one fixing portion with respect to the fixed portion. The connector mounting structure according to claim 1, wherein the connector mounting structure is overlapped.

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