JP2013122841A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector capable of efficiently performing fixation and electrical connection to a power-supply device.SOLUTION: A connector 1 is composed of a positive-electrode terminal member 2, a negative-electrode terminal member 3, and an insulating member 4. The connector 1 is configured to be fixed to a case 71. The negative-electrode terminal member 3 fixes the connector 1 to the case 71 and has a connection fixing portion 323 for achieving electrical connection between the negative-electrode terminal member 3 and the case 71. The positive-electrode terminal member 2 includes a positive-side wire connection portion 21 and has a positive-electrode bus bar 22. The positive-electrode bus bar 22 includes a positive-electrode body portion 221 in which the positive-side wire connection portion 21 is protruded. The negative-electrode terminal member 3 includes a negative-side wire connection portion 31 and has a negative-electrode bus bar 32. The negative-electrode bus bar 32 includes a negative-electrode body portion 321 in which the negative-side wire connection portion 31 is protruded.

Description

  The present invention relates to a connector attached to a power supply device such as a DC-DC converter.

For example, a power supply device such as a DC-DC converter mounted on a vehicle such as an electric vehicle or a hybrid vehicle can step down and output a direct current voltage supplied from a high voltage battery so as to provide power to various auxiliary devices. It is configured.
Here, the power supply device is provided with a connector for connecting and fixing one end of a wire connected to a power supply destination (Patent Document 1). However, the connector usually has only a positive terminal member, and the negative side of the power supply device is grounded to the vehicle body or the like via the case.

Japanese Patent Laid-Open No. 6-150989

  However, from the viewpoint of reliable electrical connection, it may be desired that the negative electrode side of the power supply device is also grounded by drawing a grounding wire through the connector. In such a case, the connector includes a positive terminal member and a negative terminal member. When the connector is disposed in the power supply device, the connector is fixed to the case, and the negative terminal member is electrically connected to the case. Need to connect to. As a result, the number of parts of fixing members such as bolts and nuts may increase, and the efficiency of fixing work may be reduced.

  The present invention has been made in view of such a background, and an object of the present invention is to provide a connector that can be efficiently fixed and electrically connected to a power supply device.

One aspect of the present invention includes a positive electrode terminal member, a negative electrode terminal member, and an insulating member that integrally holds the positive electrode terminal member and the negative electrode terminal member and insulates the positive electrode terminal member and the negative electrode terminal member. Connector,
The connector is configured to be fixed to a case made of a conductor in the power supply device,
The negative electrode terminal member is a connector characterized by having a connection fixing portion for fixing the connector to the case and electrically connecting the negative electrode terminal member and the case (Claim 1). .

The connector includes the connection fixing portion on the negative terminal member. Thereby, the connector can be fixed to the case, and the negative electrode terminal member and the case can be electrically connected. As a result, the fixing and electrical connection of the connector to the power supply device can be realized simultaneously.
In addition, the number of parts for electrically connecting the connector to the power supply apparatus and the electrical connection can be reduced. As a result, the manufacturing cost can be reduced and the efficiency of the work of fixing the connector to the power supply device and electrical connection can be improved.

  As described above, according to the above aspect, it is possible to provide a connector that can be efficiently fixed and electrically connected to the power supply device.

Explanatory drawing by the perspective of a connector in Example 1. FIG. FIG. 2 is a cross-sectional view taken along line AA in FIG. 1. Explanatory drawing by the perspective of the positive electrode terminal member and negative electrode terminal member in Example 1. FIG. Explanatory drawing by the perspective seen from the front side of the insulating member in the state which removed the positive electrode terminal member and the negative electrode terminal member in Example 1 virtually. Explanatory drawing by the perspective seen from the back side of the insulating member in the state which removed the positive electrode terminal member and the negative electrode terminal member in Example 1 virtually. Explanatory drawing of the attachment state with respect to the vehicle body of the power supply device using the circuit diagram of the power supply device in Example 1. FIG. Explanatory drawing by the perspective of the connector attachment part of a case in Example 1. FIG. Explanatory drawing which shows the attachment state of the positive side wire and negative side wire to a connector in Example 1. FIG. Explanatory drawing which shows the attachment state of the connector to the power supply device in Example 1. FIG. The explanatory view by the perspective of a connector in Example 2. FIG. Explanatory drawing by the perspective of the positive electrode terminal member in Example 2, and a negative electrode terminal member.

An example of the power supply device is a DC-DC converter.
The positive electrode terminal member includes a positive-side wire connecting portion for connecting one end of the positive-side wire, and has a plate-like positive electrode bus bar in which at least a part thereof is held by the insulating member. The bus bar includes a positive electrode main body portion from which the positive wire connection portion is protruded, and the negative electrode terminal member includes a negative wire connection portion for connecting one end of the negative wire, and at least the insulating member includes the negative wire connection portion. It may have a plate-like negative electrode bus bar with a part held, and the negative electrode bus bar may include a negative electrode main body part from which the negative wire connecting part protrudes.

  In this case, one end of the positive side wire can be connected to the positive side wire connection part, and one end of the negative side wire can be connected to the negative side wire connection part. As a result, electrical connection between the power supply device and the external device can be more reliably performed via the connector.

  Further, the negative electrode bus bar has an extending portion in which the connection fixing portion is disposed, and the extending portion is arranged from the negative electrode main body portion to the arrangement direction of the negative electrode main body portion and the positive electrode main body portion and the negative side. It is preferably formed so as to be pulled out in a lateral direction orthogonal to the protruding direction of the wire connection portion and bend and extend toward the positive electrode main body portion. In this case, the fixing of the connector to the case and the electrical connection between the negative terminal member and the case are performed in the vicinity of the central portion of the connector in the alignment direction of the negative electrode main body portion and the positive electrode main body portion. be able to. As a result, the connector can be stably fixed to the power supply device.

  In addition, it is preferable that a pair of the extending portions are formed so as to be pulled out from the negative electrode main body portion in both the lateral directions and bend and extend toward the positive electrode main body portion. In this case, in the connector, the fixing of the connector to the case and the electrical connection between the negative terminal member and the case can be more effectively realized. As a result, the connector can be more securely fixed and electrically connected to the power supply device.

  Further, the positive electrode bus bar of the positive electrode terminal member has a device side connection portion connected to the output portion of the power supply device, and the device side connection portion is an end adjacent to the negative electrode main body portion in the positive electrode main body portion. It is preferable to bend from the edge part to the opposite side of the positive wire connecting part (Claim 5). In this case, the expansion of the connector in the arrangement direction or the lateral direction due to the provision of the device-side connection portion can be suppressed. As a result, the connector can be effectively reduced in size.

Example 1
The connector according to the embodiment will be described with reference to FIGS.
As shown in FIG. 1, the connector 1 of this example includes a positive electrode terminal member 2, a negative electrode terminal member 3, and an insulating member 4 that integrally holds the positive electrode terminal member 2 and the negative electrode terminal member 3 and insulates the two. Become.
Moreover, the connector 1 is arrange | positioned at the output part 70 of the power supply device 7, as shown in FIG.

The connector 1 is configured to be fixed to a case 71 made of a conductor in the power supply device 7.
Further, as shown in FIG. 1, the negative electrode terminal member 3 has a connection fixing portion 323 for fixing the connector 1 to the case 71 and for electrically connecting the negative electrode terminal member 3 and the case 71. The connection fixing portion 323 is configured by a substantially circular through hole.

Further, as shown in FIG. 3, the positive electrode terminal member 2 includes a positive side wire connecting portion 21 for connecting one end of the positive side wire 81 (see FIG. 8), and is insulated as shown in FIGS. The member 4 has a plate-like positive electrode bus bar 22 in which at least a part thereof is held.
Further, the positive electrode bus bar 22 includes a positive electrode main body portion 221 from which the positive wire connecting portion 21 is projected. Hereinafter, this protruding direction is appropriately referred to as “front”, and the opposite side is appropriately referred to as “rear”.

Further, as shown in FIG. 2, the positive-side wire connection portion 21 is configured by assembling a bolt-like member having a head portion 211 and a shaft portion 212 to the positive electrode main body portion 221.
Specifically, the shaft portion 212 is fitted into the engagement hole 223 provided in the positive electrode main body portion 221, and the head portion 211 is engaged with the rear surface of the positive electrode main body portion 221. As a result, the shaft portion 212 functions as the positive wire connecting portion 21.

  Further, the positive electrode bus bar 22 of the positive electrode terminal member 2 has a device-side connection portion 222 connected to the output portion 70 (see FIG. 7) of the power supply device 7. As shown in FIGS. 2 and 3, the device-side connecting portion 222 is bent from the edge portion 220 adjacent to the negative electrode main body portion 321 in the positive electrode main body portion 221 to the opposite side (rear side) to the positive-side wire connecting portion 21. Is formed.

Moreover, the negative electrode terminal member 3 includes a negative wire connecting portion 31 for connecting one end of a negative wire 82 (see FIG. 8) as shown in FIG. 3, and is insulated as shown in FIGS. The member 4 has a plate-like negative electrode bus bar 32 in which at least a part thereof is held.
Further, the negative electrode bus bar 32 includes a negative electrode main body portion 321 from which the negative side wire connection portion 31 protrudes.

Moreover, the negative side wire connection part 31 is comprised by assembling | attaching the bolt-shaped member provided with the head 311 and the axial part 312 to the negative electrode main-body part 321 as shown in FIG.
Specifically, the shaft portion 312 is fitted into the engagement hole 325 provided in the negative electrode main body portion 321, and the head portion 311 is engaged with the rear surface of the negative electrode main body portion 321. Thereby, the shaft portion 312 functions as the negative wire connecting portion 31.

Moreover, the negative electrode bus bar 32 has the extension part 322 in which the connection fixing | fixed part 323 was arrange | positioned as shown in FIGS. The extending portion 322 is arranged from the negative electrode main body portion 321 in the direction in which the negative electrode main body portion 321 and the positive electrode main body portion 221 are arranged (hereinafter, this direction is appropriately referred to as “height direction”) and the negative wire connecting portion 31 protrudes. It is drawn out in the lateral direction orthogonal to the direction (front) and is formed to bend and extend toward the positive electrode main body 221 (in FIG. 2, the extended portion 322 is indicated by a two-dot chain line).
Further, as shown in FIG. 3, the extending portion 322 is formed with a positioning portion 324 capable of positioning the negative electrode terminal member 3 with respect to the insulating member 4 on the distal end side of the extending portion 322.

  As shown in FIGS. 1 and 4, the insulating member 4 includes a base portion 41 having a substantially rectangular shape and an insulating wall portion 42 erected in front of the main surface 415 of the base portion 41. 4 and 5 show the shape of the insulating member 4 in a state where the positive electrode terminal member 2 and the negative electrode terminal member 3 are virtually removed from the connector 1. Conversely, FIG. 3 shows the shape and arrangement of the positive electrode terminal member 2 and the negative electrode terminal member 3 in a state where the insulating member 4 is virtually removed from the connector 1.

The insulating wall portion 42 is erected from the base portion 41 between the pair of outer wall portions 421 erected from the vicinity of both ends in the height direction of the base portion 41, and the positive side wire connection portion 21 and the negative side wire connection portion 31. The central wall portion 422 is formed by one end portion of the pair of outer wall portions 421 and a connecting wall portion 423 that connects one end portion of the central wall portion 422. Thereby, between the outer side wall part 421, the center wall part 422, and the connection wall part 423, the positive side recessed part 424 and the negative side recessed part 425 in which the positive side wire connection part 21 and the negative side wire connection part 31 are respectively arranged are provided. They are formed independently of each other.
In addition, as shown in FIG. 2, the insulating wall portion 42 protrudes slightly forward from the base portion 41 than the positive side wire connecting portion 21 and the negative side wire connecting portion 31.

In addition, as shown in FIGS. 1 and 4, the base 41 has an open hole 411 through which the positive side wire connecting part 21 and the negative side wire connecting part 31 protrude between the outer wall part 421 and the central wall part 422. A pair is formed.
In addition, an opening portion 412 that exposes the connection fixing portion 323 of the negative electrode bus bar 32 to both sides in the thickness direction is formed at one end portion of the base portion 41 in the horizontal direction.

An annular metal plate 50 that constitutes the fixing portion 5 is inserted into the other end portion of the base portion 41 in the horizontal direction.
In addition, the base portion 41 is formed with a fixing portion opening hole 413 so as to hold the annular metal plate 50 at the outer peripheral portion thereof and to expose the inner portion thereof on both sides in the thickness direction of the base portion 41.

  As shown in FIGS. 2 and 5, on the rear surface of the base portion 41, the head portion 211 of the positive side wire connection portion 21 and the head portion 311 of the negative side wire connection portion 31 are placed on one side in the thickness direction of the base portion 41 ( A pair of base opening holes 417 that are exposed to the outside from the rear) are formed.

Further, between the pair of base opening holes 417 on the rear surface of the base 41, a connection opening 418 for projecting the device side connection 222 of the positive electrode terminal member 2 to the outside is formed.
The base 41 is formed with a pair of positioning protrusions 43 for the case 71.

Next, the manufacturing method of the connector 1 of this example is demonstrated using FIG.1, FIG.4, FIG.5.
As shown in FIG. 1, the connector 1 of this example is manufactured by so-called insert molding the positive electrode terminal member 2 and the negative electrode terminal member 3 with respect to the insulating member 4.

Specifically, the positive electrode terminal member 2 and the negative electrode terminal member 3 are fixed to a mold (not shown) of the insulating member 4 shown in FIGS. At this time, the mold is provided with a protrusion that can be inserted into the positioning portion 324 of the extending portion 322 of the negative electrode terminal member 3. The negative electrode terminal member 3 can be positioned with respect to the molded insulating member 4 by molding the insulating member 4 in a state where the protruding portion and the positioning portion 324 are fitted.
In addition, the positive electrode terminal member 2 is fixed to the mold in a state where the device side connection portion 222 of the positive electrode terminal member 2 protrudes from a portion for forming the connection portion opening portion 418 in the mold. At this time, the positive electrode terminal member 2 can be positioned with respect to the molded insulating member 4 by fixing the device-side connecting portion 222 to a part of the mold.
In addition, an annular metal plate 50 is disposed at a portion for forming the fixing portion opening hole 413 in the mold.

Next, for example, a liquid resin such as phenol is filled in the mold in which the positive electrode terminal member 2 and the negative electrode terminal member 3 are positioned.
After the resin is solidified, as shown in FIG. 1, a part of the positive electrode bus bar 22 of the positive electrode terminal member 2 and the negative electrode bus bar 32 of the negative electrode terminal member 3 are held by the insulating member 4.
Further, in the fixing portion opening hole 413, the annular metal plate 50 is in a state where the outer peripheral portion thereof is held by the insulating member 4 and the inner portion thereof is exposed to both sides in the thickness direction of the base portion 41.

Next, a metal nut 612 is screwed into both the positive-side wire connecting portion 21 and the negative-side wire connecting portion 31 from the leading end side in the protruding direction, and the nut 612 is connected to the positive electrode main body portion 221 and the negative electrode main body portion 321 ( (See FIG. 1).
Thus, the connector 1 shown in FIG. 1 can be obtained.

Next, means for attaching the connector 1 of the present example to the power supply device 7 will be described with reference to FIGS.
As shown in FIG. 6, the power supply device 7 includes a control circuit 72, a transformer 73 whose primary coil side is connected to a pair of output terminals in the control circuit 72, and a rectifier circuit 74 connected to the secondary coil side of the transformer 73. A smoothing circuit 75 disposed between the rectifier circuit 74 and the pair of terminals 791 and 792.

The rectifier circuit 74 includes a diode 76 having anodes connected to the two terminals of the secondary coil of the transformer 73, respectively.
The smoothing circuit 75 is connected between the choke coil 77 having one end connected to the cathode of the diode 76 in the rectifier circuit 74, the diode 76 and the choke coil 77, and the choke coil 77 and the terminals 791 and 792. And a plurality of smoothing capacitors 78. The pair of terminals 791 and 792 correspond to the positive terminal member 2 and the negative terminal member 3 in the connector 1, respectively.

And the connector 1 of this example is arrange | positioned at the output part 70 of the power supply device 7, as shown in FIG.
The connector 1 is attached to the outside of the case 71 so as to be arranged on the output side of the power supply device 7 and on the low voltage side. Specifically, as shown in FIG. 7, a connector mounting portion 710 is formed on the surface of the case 71 in the output portion 70 of the power supply device 7.

The connector mounting portion 710 is formed with an opening 711 through which the device-side connection portion 222 in the connector 1 can be inserted into the case 71. Further, the connector mounting portion 710 is formed with a positioning hole 712 into which the positioning projection 43 of the connector 1 can be inserted.
The connector mounting portion 710 is formed with a female fixing portion 713 corresponding to the connection fixing portion 323 and the fixing portion 5 of the connector 1.

  In attaching the connector 1 to the power supply device 7, first, the device-side connecting portion 222 of the connector 1 is inserted into the case 71 from the opening 711 of the connector attaching portion 710. Further, the pair of positioning projections 43 of the connector 1 are respectively inserted into the pair of positioning holes 712 of the connector mounting portion 710. Thereby, the connector 1 can be positioned with respect to the case 71.

  Next, the output terminal portion on the high potential side of the power supply device 7 (portion having the same potential as the terminal 791 in FIG. 6) and the device side connection portion 222 of the connector 1 are used inside the case 71 using metal bolts. Fix it. Thereby, the positive terminal member 2 of the connector 1 is electrically connected to the power supply device 7.

  Moreover, the connection fixing | fixed part 323 and the fixing | fixed part 5 in the connector 1 and the internal thread part 713 of the connector attaching part 710 are fixed using the metal volt | bolts 63, for example (refer FIG. 8). At this time, the connection fixing portion 323 and the fixing portion 5 of the negative electrode bus bar 32 in the connector 1 are exposed to the outside from both sides in the thickness direction of the base portion 41 of the insulating member 4. Therefore, after fixing, the connection fixing portion 323 and the fixing portion 5, the case 71, and the bolt 63 are in a so-called metal touch state. As a result, the connector 1 can be fixed to the case 71 in a state where the metals are in surface contact. Therefore, the fastening force between the case 71 and the connector 1 can be increased. And the negative electrode terminal member 3 of the connector 1 will be in the state electrically connected with respect to the power supply device 7. FIG. That is, the connector 1 can be fixed to the power supply device 7 by fastening and fixing the connection fixing portion 323 to the case 71, and the negative terminal member 3 of the connector 1 can be electrically connected to the case 71. .

  Next, as shown in FIG. 8, one end of the positive-side wire 81 is connected to the positive-side wire connection portion 21 in the connector 1. Specifically, a ring-shaped terminal portion 810 is formed at one end of the positive wire 81. The terminal portion 810 is fitted from the front end side in the protruding direction of the positive wire connecting portion 21 and is brought into contact with the nut 612 (see FIG. 1). Further, from the top, another metal nut 613 is screwed to the positive wire connecting portion 21 to fix the positive wire 81 to the positive electrode main body 221 (see FIG. 1). As a result, the positive wire 81 and the positive electrode terminal member 2 are electrically connected. As shown in FIG. 6, the other end of the positive wire 81 is electrically connected to the positive terminal 831 of the battery 83.

  Further, as shown in FIG. 8, one end of the negative side wire 82 is connected to the negative side wire connecting portion 31 in the connector 1. Specifically, a ring-shaped terminal portion 820 is also formed at one end of the negative wire 82. The terminal portion 820 is fitted from the distal end side in the protruding direction of the negative side wire connecting portion 31 and is brought into contact with the nut 612 (see FIG. 1). From there, further, another metal nut 613 is screwed into the negative wire connection portion 31 to fix the negative wire 82 to the negative electrode main body 321 (see FIG. 1). As a result, the negative side wire 82 and the negative electrode terminal member 3 are electrically connected. As shown in FIG. 6, the other end of the negative wire 82 is connected to the negative terminal 832 of the battery 83, and the negative wire 82 drawn from the negative terminal 832 of the battery 83 is grounded to the vehicle body 8. Is done.

  As shown in FIGS. 6 and 9, the case 71 is formed with a flange portion 714 for fixing the case 71 to the vehicle body 8. One end of another negative wire 821 is electrically connected to the flange portion 714, and the other end of the negative wire 821 is grounded to the vehicle body 8. Accordingly, the power supply device 7 and the negative electrode terminal 832 of the battery 83 can be connected not only via the negative wire 82 but also via the negative wire 821.

  Thus, as shown in FIG. 9, the connector 1 can be attached to the output unit 70 of the power supply device 7. Further, the power supply device 7 is fixed to the vehicle body 8 at the flange portion 714. In the figure, the illustration of the positive side wire 81 and the negative side wire 82 is omitted.

Next, the effect of the connector 1 of this example is demonstrated using FIGS. 1-3, FIG.
The connector 1 has the connection fixing | fixed part 323 in the negative electrode terminal member 3, as shown in FIGS. Thereby, the connector 1 can be fixed to the case 71 and the negative electrode terminal member 3 and the case 71 can be electrically connected. As a result, fixing and electrical connection of the connector 1 to the power supply device 7 can be realized simultaneously.
In addition, the number of components for electrically connecting the connector 1 to the power supply device 7 can be reduced. As a result, the manufacturing cost can be reduced, and the efficiency of the work of fixing the connector 1 to the power supply device 7 and electrical connection can be improved.

In addition, as shown in FIGS. 1 to 3, the positive electrode terminal member 2 includes the positive wire connecting portion 21 for connecting one end of the positive wire 81, and at least a part thereof is held by the insulating member 4. It has a plate-like positive electrode bus bar 22, and the positive electrode bus bar 22 includes a positive electrode main body portion 221 from which the positive-side wire connection portion 21 protrudes.
The negative electrode terminal member 3 includes a negative-side wire connection portion 31 for connecting one end of the negative-side wire 82 and has a plate-like negative electrode bus bar 32 held at least partially by the insulating member 4. The negative electrode bus bar 32 includes a negative electrode main body portion 321 from which the negative wire connecting portion 31 protrudes.

  Thus, as shown in FIG. 8, one end of the positive side wire 81 can be connected to the positive side wire connection portion 21, and one end of the negative side wire 82 is connected to the negative side wire connection portion 31. Can do. As a result, the electrical connection between the power supply device 7 and the external device can be more reliably performed via the connector 1.

  As shown in FIGS. 1 to 3, the negative electrode bus bar 32 has an extending portion 322 in which a connection fixing portion 323 is disposed, and the extending portion 322 is pulled out in the lateral direction and the positive electrode main body portion 221 side. It is formed to bend and extend.

  As a result, as shown in FIGS. 1 and 8, the connector 1 can be fixed to the case 71 and the electrical connection between the negative electrode terminal member 3 and the case 71 can be performed near the center of the connector 1 in the height direction. . As a result, the connector 1 can be stably fixed to the power supply device 7.

  Moreover, as shown in FIGS. 1-3, the positive electrode bus bar 22 of the positive electrode terminal member 2 has the apparatus side connection part 222 connected with the output part 70 of the power supply device 7, and the apparatus side connection part 222 is a positive electrode main body. The portion 221 is formed by bending backward from an edge portion 220 adjacent to the negative electrode main body portion 321. Thereby, the expansion of the connector 1 in the arrangement direction (height direction) or the lateral direction of the positive electrode main body portion 221 and the negative electrode main body portion 321 due to the provision of the device-side connection portion 222 can be suppressed. As a result, the connector 1 can be effectively reduced in size.

  Further, as shown in FIG. 8, the insulating member 4 protrudes slightly larger forward than the positive side wire connecting part 21 and the negative side wire connecting part 31, and the central wall part 422 is defined between the outer side wall parts 421 and 421. An insulating wall 42 is formed. Thereby, the creeping distance between the positive electrode terminal member 2 and the negative electrode terminal member 3 in the insulating member 4 can be earned. Therefore, the insulation of the insulating member 4 in the connector 1 can be kept high.

  As described above, according to this example, it is possible to provide a connector that can be efficiently fixed and electrically connected to a power supply device.

(Example 2)
In this example, as shown in FIGS. 10 and 11, a pair of extending portions 322 are formed in the negative electrode main body 321.
As shown in FIGS. 10 and 11, a pair of extending portions 322 in the present example are formed so as to be pulled out in both lateral directions and bend and extend toward the positive electrode main body portion 221 side. A connection fixing portion 323 is formed in each of the two extending portions 322.

In the present example, the positioning portion 324 is formed in one of the extended portions 322 of the pair of extended portions 322.
In addition, the insulating member 4 in this example forms a pair of open portions 412 in the lateral direction and at both ends of the base portion 41.
Others are the same as in the first embodiment.

In the case of this example, the negative electrode terminal member 3 forms connection fixing portions 323 at two places in the horizontal direction. In the two connection fixing portions 323, the connector 1 can be fixed to the case 71 and the negative terminal member 3 and the case 71 can be electrically connected. As a result, the connector 1 can be fixed and electrically connected to the power supply device 7 more reliably.
In addition, the same effects as those of the first embodiment are obtained.

  The “front”, “back”, “height direction”, and “lateral direction” described above are for convenience and do not limit the orientation of the connector 1.

DESCRIPTION OF SYMBOLS 1 Connector 2 Positive electrode terminal member 21 Positive side wire connection part 22 Positive electrode bus bar 221 Positive electrode main body part 3 Negative electrode terminal member 31 Negative side wire connection part 32 Negative electrode bus bar 321 Negative electrode main body part 323 Connection fixing part 4 Insulating member 5 Fixing part 71 Case

Claims (5)

A positive electrode terminal member, a negative electrode terminal member, and an insulating member that integrally holds the positive electrode terminal member and the negative electrode terminal member and insulates both, and is a connector disposed at an output portion of a power supply device,
The connector is configured to be fixed to a case made of a conductor in the power supply device,
The said negative electrode terminal member has a connection fixing part for aiming at the electrical connection with the said negative electrode terminal member and the said case while fixing the said connector to the said case.   2. The connector according to claim 1, wherein the positive electrode terminal member includes a positive wire connecting portion for connecting one end of the positive wire, and at least a part of which is held by the insulating member. The positive electrode bus bar includes a positive electrode main body portion from which the positive wire connection portion protrudes, and the negative electrode terminal member includes a negative wire connection portion for connecting one end of the negative wire. A connector having a plate-like negative electrode bus bar, at least a part of which is held by the insulating member, and the negative electrode bus bar having a negative electrode main body portion projecting from the negative wire connecting portion; .   3. The connector according to claim 2, wherein the negative electrode bus bar has an extending portion in which the connection fixing portion is disposed, and the extending portion extends from the negative electrode main body portion to the negative electrode main body portion and the positive electrode main body portion. The connector is characterized in that it is drawn out in a lateral direction perpendicular to the direction in which the negative wire connection portions project and the direction in which the negative wire connection portion protrudes, and is bent to extend toward the positive electrode main body.   4. The connector according to claim 3, wherein the extended portion is formed in a pair so as to be pulled out from the negative electrode main body portion in both the lateral directions and bend and extend toward the positive electrode main body portion. Connector.   5. The connector according to claim 2, wherein the positive electrode bus bar of the positive electrode terminal member has a device-side connection portion connected to an output portion of the power supply device, and the device-side connection portion is The connector is characterized in that it is formed by bending from the edge portion adjacent to the negative electrode main body portion in the positive electrode main body portion to the opposite side of the positive wire connecting portion.

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