Source: https://patents.google.com/patent/JP2013026078A/en
Timestamp: 2020-08-15 12:13:38
Document Index: 419858333

Matched Legal Cases: ['art 12', 'art 31', 'art 32', 'art 21', 'art 21', 'art 32', 'art 31', 'art 24', 'art 12', 'art 24', 'art 12', 'art 32', 'art 21', 'art 21', 'art 12', 'art 31', 'art 12', 'art 32', 'art 21', 'art 21', 'art 32', 'art 13', 'art)\n33']

JP2013026078A - Connector - Google Patents
JP2013026078A
JP2013026078A JP2011161083A JP2011161083A JP2013026078A JP 2013026078 A JP2013026078 A JP 2013026078A JP 2011161083 A JP2011161083 A JP 2011161083A JP 2011161083 A JP2011161083 A JP 2011161083A JP 2013026078 A JP2013026078 A JP 2013026078A
JP2011161083A
JP5836682B2 (en
2011-07-22 Application filed by Yazaki Corp, 矢崎総業株式会社 filed Critical Yazaki Corp
2013-02-04 Publication of JP2013026078A publication Critical patent/JP2013026078A/en
2015-12-24 Publication of JP5836682B2 publication Critical patent/JP5836682B2/en
To provide a connector capable of facilitating connection work of connection terminals and improving connection reliability.
A connector having a mounting portion having a terminal block and a connection terminal to which a cable is connected, and the connection terminal being fastened and fixed to the terminal block while being attached to the mounting portion. A connector 10 including a main body 13, a cable shield shell 33 covering an introduction portion of the cable 38 in the connector main body 13, and a terminal block 22 of the connection terminal 35 so as to accommodate the cable shield shell 33 therein. And a connection shield shell 14 that covers the fastening portion.
The present invention relates to a connector for connecting and wiring a cable to a mounting portion of an electronic device or the like.
A wide variety of electronic devices are mounted on automobiles as moving bodies. For example, hybrid cars and electric vehicles are equipped with electronic devices such as a three-phase AC motor and an inverter that converts DC power from a battery into AC power for supply to the motor. In order to connect the motor and the inverter, for example, a connector connected to the motor via an electric wire is used (for example, see Patent Document 1). In this connector, a connection terminal on the power supply side is fastened with a bolt to a bus bar serving as a terminal block provided inside the case. The shielded wire is peeled off at the end and connected to the connecting terminal to the core wire, and the braid is engaged with the shell member provided on the holding cylinder via the shell member to be grounded. .
Moreover, in the connector structure which bolts the terminal fittings of a connector and a connector attachment part through a hole, the connector structure provided with the detection member which detects that each hole was covered by the cover and connector attachment part which cover a hole is disclosed. (See Patent Document 2). FIG. 7 shows an exploded perspective view of a conventional connector to which this connector structure is applied. As shown in FIG. 7, the conventional connector 81 is attached to a mounting portion 83 provided on a panel 82 of a device or the like. The attachment portion 83 has a terminal block (not shown) to which wiring in the device is connected. The connector 81 includes a connector main body 88 including a connection portion 85 having a connection terminal 84 and a cable introduction portion 87 into which the cable 86 is introduced, and the conductor of the cable 86 is electrically connected to the connection terminal 84. The connection terminal 84 is disposed in the accommodation space S formed in the connection portion 85.
The connector body 88 is covered with a metal shield shell 89, and a shield layer (not shown) of the cable 86 is electrically connected to the shield shell 89. The connector 81 includes a metal service cover 91 that is attached so as to close the upper portion of the connection portion 85 of the connector main body 88.
In the connector 81, the terminal block and the connection terminal 84 are connected by fastening with the fastening bolts 93 in a state where the connector main body 88 is attached to the attachment portion 83. Thereafter, the service cover 91 is arranged so as to close the upper portion of the connection portion 85 of the connector main body 88, and the service cover 91 and the connector main body 88 are fixed to the attachment portion 83 of the panel 82 with the fixing bolt 94.
Japanese Patent Laid-Open No. 11-126661 JP 2011-100551 A
By the way, in this connector 81, the shield shell 89 that enhances the electromagnetic shielding effect for each cable 86 is not covered by the service cover 91. Therefore, the shield for each cable 86 is electromagnetically shielded only by the shield shell 89. Yes. In addition, the connection location between the terminal block and the connection terminal 84 is disposed in the back of the accommodation space S of the connection portion 85, and is along the same direction as the fastening direction of the terminal block and the connection terminal 84 by the fastening bolt 93. A cable introduction portion 87 extends above the connector main body 88.
Therefore, in order to increase the electromagnetic shielding effect by the cable shield shell 89, the cable shield shell 89 must be made thicker and larger, and it is difficult to make the cable shield shell 33 thinner and smaller. is there.
Further, since the tool interferes with the wall surface of the connection portion 85 and the cable introduction portion 87, it is difficult to connect the terminal block and the connection terminal 84 with the fastening bolt 93. Further, when such a shield shell 89 is used, the outer wall portion of the attachment portion 83 as an insertion port into which the connector main body 88 is inserted is blocked by the shield shell 89. As a result, there is a possibility that the insertion of the connector main body 88 into the attachment portion 83 is incomplete.
Further, since it is difficult to visually check the fastening portion, it is difficult to visually check whether or not the connection terminal 84 is fastened to the regular position of the terminal block. For this reason, the terminal block and the connection terminal 84 are forcibly fastened with the fastening bolts 93 while the insertion of the connector main body 88 into the mounting portion 83 is incomplete, and the terminal block is deformed or the connection terminal 84 is poorly connected. Connection reliability may be reduced.
The present invention has been made in view of the above-described circumstances, and an object of the present invention is a connector that can enhance the electromagnetic shielding effect on a shielded electric wire, and the shape can be reduced in thickness and size. To provide a connector.
In order to achieve the above-described object, the connector according to the present invention is characterized by the following (1) to (3).
(1) a mounting portion having a terminal block;
A connector main body having a connection terminal to which a cable is connected, and being attached to the attachment portion, the connection terminal being fastened and fixed to the terminal block;
A cable shield shell covering the cable introduction portion in the connector body;
A connection portion shield shell that covers a fastening portion of the connection terminal with the terminal block so as to accommodate the cable shield shell therein;
(2) In the connector configured as described in (1) above,
The connector main body is inclined in a direction in which an introduction portion of the cable is separated from a fastening direction of the connection terminal to the terminal block.
(3) In the connector configured as described in (1) or (2) above,
The connector main body is molded in a state where the introduction portion of the cable is embedded in part.
In the connector having the configuration (1), each cable is covered with the cable shield shell and also with the connection portion shield shell in the connector main body covered with the connection portion shield shell. As a result, if the shield shield shell can provide a sufficient electromagnetic shielding effect for each cable, even if the electromagnetic shielding effect by the cable shield shell is reduced, there is little effect on the electromagnetic shielding effect for each cable. The shell can be reduced in thickness and size.
In the connector having the configuration (2), the cable introduction portion is inclined in a direction away from the fastening direction of the connection terminal to the terminal block, and therefore when the connector body is fitted into the attachment portion from above. The mounting portion as an insertion port into which the connector body is inserted is not blocked by the cable introduction portion and the cable shield shell. As a result of sufficiently recognizing the mounting portion as the insertion port, it is easy to fit the connector main body into the mounting portion, and it is possible to prevent incomplete insertion into the mounting portion of the connector main body. Thereby, connection workability | operativity can be improved significantly, the connection failure etc. in the connection location of a terminal block and a connection terminal can be eliminated, and connection reliability can be improved.
In the connector having the configuration (3), since the cable connected to the connection terminal is embedded in the connector body by, for example, insert molding, the work of attaching the connection terminal to the connector body when the connector body is attached to the terminal block There is no need to do. For this reason, the mounting work load of the connector main body to the terminal block can be reduced. In addition, by burying the cable connected to the connection terminal in the connector, it is easy to maintain the cable introduction portion in an inclined state.
ADVANTAGE OF THE INVENTION According to this invention, while being able to improve the electromagnetic shielding effect with respect to a shielded electric wire, the connector which can achieve thickness reduction and size reduction of the shape can be provided.
It is a perspective view of the connector concerning an embodiment. It is a disassembled perspective view of the connector which concerns on embodiment. It is a disassembled perspective view which shows a connector main body. It is a disassembled perspective view which shows a connection part shield shell. It is a perspective view which shows an integrated shield shell. It is XI-XI sectional drawing in FIG. 5 which shows an integrated shield shell. It is a disassembled perspective view of the conventional connector.
1 is a perspective view of a connector according to the embodiment, FIG. 2 is an exploded perspective view of the connector according to the embodiment, FIG. 3 is an exploded perspective view showing a connector body, and FIG. 4 is an exploded view showing a connection portion shield shell. It is a perspective view.
As shown in FIGS. 1 and 2, the connector 10 according to this embodiment is attached to a panel 11 of various devices such as an inverter.
The connector 10 includes an attachment portion 12 provided on the panel 11, a connector main body 13 attached to the attachment portion 12, and a connection portion shield shell 14 attached to the panel 11 so as to cover the attachment portion 12 and the connector main body 13. It has.
The attachment portion 12 is attached to the panel 11 so as to cover an attachment hole (not shown) formed in the panel 11, and includes a plurality of terminal blocks 22 having fastening bolt portions 21. These terminal blocks 22 are provided with connecting portions (not shown) on the inside of the device, and wiring on the device side is connected to these connecting portions.
The mounting portion 12 has an outer wall portion 24 so as to surround the terminal block 22, and a plurality of stay portions 26 having insertion holes 25 are formed around the outer wall portion 24. Bolts 27 are inserted into the insertion holes 25 of these stay portions 26 and screwed into the screw holes 20 formed in the panel 11. Thereby, the attachment part 12 is fastened and fixed to the panel 11.
As shown in FIG. 3, the connector body 13 includes a terminal plate portion 31, a cable introduction portion (introduction portion) 32 formed on one side of the terminal plate portion 31, and a cable shield attached to the cable introduction portion 32. And a shell 33.
The terminal plate part 31 is provided with a plurality of connection terminals 35 having connection holes 34. A plurality of cables 38 are embedded in the cable introduction part 32. The plurality of cables 38 are embedded in the cable introduction portion 32 by inserting the plurality of cables 38 when the connector body 13 is molded. These cables 38 are made of insulated cables in which the periphery of the conductor is covered with a jacket, and the conductor of each cable 38 is connected to the connection terminal 35. The cable introduction portion 32 is inclined obliquely upward with respect to the terminal plate portion 31 so as to be disengaged from above the terminal plate portion 31.
The connector main body 13 is attached to the attachment portion 12 by fitting the terminal plate portion 31 into the outer wall portion 24 of the attachment portion 12 from above. When the terminal plate portion 31 is fitted into the outer wall portion 24 of the mounting portion 12, the cable introduction portion 32 and the cable shield shell 33 that are positioned away from above the terminal plate portion 31 are positioned outside the outer wall portion 24 of the mounting portion 12. Will do. For this reason, when the terminal plate portion 31 is fitted into the outer wall portion 24 of the attachment portion 12 from above, the outer wall portion 24 of the attachment portion 12 as an insertion port into which the connector main body 13 is inserted is connected to the cable introduction portion 32 and the cable shield shell. 33 is not obstructed. As a result of sufficiently recognizing the outer wall portion 24 of the mounting portion 12 as an insertion port, it is easy to fit the terminal plate portion 31 into the outer wall portion 24 and the insertion of the connector main body 13 into the outer wall portion 24 is incomplete. Can be prevented in advance.
The cable shield shell 33 is formed of a metal material, and includes a shell main body 41 formed in an annular shape and fixed pieces 43 having hole portions 42 formed on both sides of the shell main body 41. The cable shield shell 33 is mounted so that the shell body 41 covers the periphery of the cable introduction portion 32. The shell body 41 is connected to a shield layer such as a braid or metal foil provided on each cable 38 and covering the conductor via an insulating layer. The entire outer periphery of the cable shield shell 33 including the shell main body 41 and the fixing piece 43 is covered with a connection portion shield shell 14 formed of a metal material, which will be described later. Therefore, in the connector main body 13 covered with the connection portion shield shell 14, each cable 38 is covered with the cable shield shell 33 and also with the connection portion shield shell 14. As a result, the electromagnetic shielding effect for each cable 38 can be enhanced. Furthermore, if a sufficient electromagnetic shielding effect for each cable 38 can be expected by the connection portion shield shell 14, the electromagnetic shielding effect for each cable 38 is less affected even if the electromagnetic shielding effect by the cable shield shell 33 is reduced. Therefore, the cable shield shell 33 can be reduced in thickness and size.
As described above, the connector main body 13 to which the cable shield shell 33 is attached is attached by fitting the terminal plate portion 31 into the outer wall portion 24 of the attachment portion 12 from above. In this way, when the terminal plate portion 31 is fitted into the outer wall portion 24 of the attachment portion 12, the fastening bolt portion 21 of the attachment portion 12 is inserted into the connection hole 34 of the connection terminal 35 of the terminal plate portion 31. In this state, as shown in FIG. 2, the fastening nut 40 is fastened to the fastening bolt portion 21, whereby the terminal block 22 and the connection terminal 35 of the mounting portion 12 are connected, and the device side connected to the terminal block 22. And the conductor of the cable 38 are electrically connected.
As described above, in the connector 10 according to this embodiment, when the terminal plate portion 31 is fitted into the outer wall portion 24 of the attachment portion 12 from above, the outer wall portion 24 of the attachment portion 12 as an insertion port is sufficiently visible. As a result, it is easy to fit the terminal plate portion 31 into the outer wall portion 24, and it is possible to prevent incomplete insertion of the connector main body 13 into the outer wall portion 24. As a result, the fastening nut 40 is also prevented from being fastened to the fastening bolt part 21 while the fastening bolt part 21 is not completely inserted into the connection hole 34.
Here, the connector main body 13 is inclined obliquely upward so that the cable introducing portion 32 is detached from the terminal plate portion 31 from above the terminal plate portion 31. Thereby, the cable introduction part 32 is inclined in a direction away from the fastening direction of the connection terminal 35 to the terminal block 22, and the upper side of the fastening portion of the connection terminal 35 with the terminal block 22 is opened. The
Therefore, when the connection work of the connection terminal 35 to the terminal block 22 by the fastening nut 40 is performed, it can be easily performed while visually confirming the fastening portion whose upper part is opened.
In addition, when the connector main body 13 is attached to the attachment portion 12 in this way, the fixing piece 43 of the cable shield shell 33 of the connector main body 13 is arranged on the surface of the panel 11, and the hole portion 42 of the fixing piece 43 is replaced with the panel 11. Are communicated with the screw holes 20 formed in the.
The connection portion shield shell 14 is made of a metal material and includes a service cover 51 as shown in FIG. A screw insertion hole 52 and an engagement hole 53 are formed in the connection portion shield shell 14. The service cover 51 has a screw hole 55 communicating with the screw insertion hole 52. Further, the service cover 51 is formed with an engagement protrusion 56 that can be engaged with the engagement hole 53.
The service cover 51 is attached to the connection portion shield shell 14 from the inner surface side, and the engagement protrusion 56 is inserted into the engagement hole 53 by being fitted from the inner surface side of the connection portion shield shell 14. Rarely, it is arranged at a predetermined position with respect to the connection portion shield shell 14. Further, when the service cover 51 is fitted from the inner surface side of the connecting portion shield shell 14 in this way, the screw insertion hole 52 and the screw hole 55 are communicated, and in this state, the screw 57 is inserted into the screw insertion hole 52 and the screw When screwed into the hole 55, the service cover 51 is attached to the connection portion shield shell 14.
The connection portion shield shell 14 has a fastening piece 59 having a bolt insertion hole 58 formed on the outer peripheral side thereof.
When the connection portion shield shell 14 is put on the attachment portion 12 and the connector main body 13, the bolt insertion hole 58 is communicated with the screw hole 20 formed in the panel 11. Note that, in the portion where the fixing piece 43 of the cable shield shell 33 is disposed, the bolt insertion hole 58 communicates with the hole portion 42 of the fixing piece 43 communicated with the screw hole 20 of the panel 11. Further, when the connecting portion shield shell 14 is put on the mounting portion 12 and the connector main body 13, the connecting portion shield shell 14 has the service shield 51 sandwiched between the connector main body 13 and the cable shield shell 33 inside. The fastening portion of the connection terminal 35 with the terminal block 22 is covered so as to be accommodated in the housing. Therefore, in the connector main body 13 covered with the connection portion shield shell 14, each cable 38 is covered with the cable shield shell 33 and also with the connection portion shield shell 14. As a result, the electromagnetic shielding effect for each cable 38 can be enhanced. Furthermore, if a sufficient electromagnetic shielding effect for each cable 38 can be expected by the connection portion shield shell 14, the electromagnetic shielding effect for each cable 38 is less affected even if the electromagnetic shielding effect by the cable shield shell 33 is reduced. Therefore, the cable shield shell 33 can be reduced in thickness and size.
Then, with the connection portion shield shell 14 placed on the attachment portion 12 and the connector body 13 in this way, the fastening bolts 60 are inserted into the respective bolt insertion holes 58 and screwed into the screw holes 20 of the panel 11. The shield shell 14 is fastened and fixed to the panel 11, and the connection portion shield shell 14 is electrically connected to the panel 11. In the portion where the fixed piece 43 of the cable shield shell 33 is disposed, the fixed piece 43 is sandwiched between the panel 11 and the connection portion shield shell 14, and the cable shield shell 33 is electrically connected to the connection portion shield shell 14 and the panel 11. The
Thereby, in the connector 10, the connector main body 13 is covered with the metal connecting portion shield shell 14 and the cable shield shell 33 that are conducted to the panel 11, so that the terminal block 22 and the connection terminal 35 in the connector main body 13 are connected. The connection location, the end of the cable 38 and its periphery are shielded.
As described above, in the connector according to the embodiment, in the connector main body 13 covered with the connection portion shield shell 14, each cable 38 is covered with the cable shield shell 33 and also with the connection portion shield shell 14. As a result, if a sufficient electromagnetic shielding effect for each cable 38 can be expected by the connecting portion shield shell 14, the electromagnetic shielding effect for each cable 38 is less affected even if the electromagnetic shielding effect by the cable shield shell 33 is reduced. Therefore, the cable shield shell 33 can be reduced in thickness and size.
Moreover, in the connector which concerns on the said embodiment, when fitting the terminal board part 31 in the outer wall part 24 of the attachment part 12 from upper side, the outer wall part 24 of the attachment part 12 as an insertion port which inserts the connector main body 13 is a cable. It is not obstructed by the introduction part 32 and the cable shield shell 33. As a result of sufficiently recognizing the outer wall portion 24 of the mounting portion 12 as an insertion port, it is easy to fit the terminal plate portion 31 into the outer wall portion 24 and the insertion of the connector main body 13 into the outer wall portion 24 is incomplete. Can be prevented in advance. Therefore, the fastening nut 40 is also prevented from being fastened to the fastening bolt part 21 while the insertion of the fastening bolt part 21 into the connection hole 34 is incomplete, so that the connector 10 is damaged due to a crack or the like. This can be prevented.
Moreover, in the connector which concerns on the said embodiment, since the upper side in the connector main body 13 to which the attaching part 12 is attached is open | released, the visibility and confirmability in the fastening location of the connection terminal 35 to the terminal block 22 are improved significantly. be able to. Therefore, when the connection terminal 35 of the terminal plate part 31 is fastened and connected to the terminal block 22 of the attachment part 12 by the fastening nut 40, this connection work place can be easily performed while visually observing. Thereby, connection workability | operativity can be improved significantly, the connection failure etc. in the connection location of the terminal block 22 and the connection terminal 35 can be eliminated, and connection reliability can be improved.
Here, FIGS. 5 and 6 show an integrated shield shell in which the connection shield shell 14 and the cable shield shell 33 in the connector according to the present embodiment are integrated. As shown in FIG. 5, the integral shield shell 71 includes a cable insertion portion 72 through which the cable 38 is passed, and a window portion 73 formed to connect the terminal block 22 and the connection terminal 35.
In the integrated shield shell 71, the cable 38 and the cable introduction portion 32 are passed through the cable insertion portion 72, the cable 38 is connected to the connector main body 13, and the shield layer of the cable 38 is electrically connected to the integrated shield shell 71. After that, the connector main body 13 is arranged on the attachment portion 12 and the integral shield shell 71 is put on, and the terminal block 22 and the connection terminal 35 are fastened by the fastening nut 40 from the window portion 73, and then the shield cover ( (Not shown) is attached to close the window 73.
When such an integrated shield shell 71 is used, the outer wall portion 24 of the attachment portion 12 as an insertion port into which the connector main body 13 is inserted is blocked by the cable introduction portion 32 and the cable shield shell 33. As a result, there is a possibility that the insertion of the connector main body 13 into the outer wall portion 24 is incomplete. In addition, since the integrated shield shell 71 is previously attached to the connector main body 13, the attaching work to the mounting portion 12 and the fastening work by the fastening nut 40 between the terminal block 22 and the connection terminal 35 become complicated.
In addition, the cable insertion portion 72 is also inclined according to the cable introduction portion 32 of the connector main body 13. Therefore, as shown in FIG. 6, the introduction direction B of the cable 38 is oblique with respect to the fastening direction A between the terminal block 22 and the fastening nut 40, and therefore, in order to press the integrated shield shell 71, C It is necessary to press from the two directions of the direction and the D direction, resulting in an increase in cost due to a complicated manufacturing process.
On the other hand, according to the present embodiment, when the terminal plate portion 31 is fitted into the outer wall portion 24 of the attachment portion 12 from above, the outer wall portion 24 of the attachment portion 12 as an insertion port into which the connector main body 13 is inserted is provided. The cable introduction part 32 and the cable shield shell 33 are not obstructed. As a result of sufficiently recognizing the outer wall portion 24 of the mounting portion 12 as an insertion port, it is easy to fit the terminal plate portion 31 into the outer wall portion 24 and the insertion of the connector main body 13 into the outer wall portion 24 is incomplete. Can be prevented in advance. Therefore, it is also possible to prevent the fastening nut 40 from being fastened to the fastening bolt part 21 while the insertion of the fastening bolt part 21 into the connection hole 34 is incomplete. Moreover, according to this embodiment, since the connection part shield shell 14 which covers the fastening location with the terminal block 22 of the connection terminal 35 and the cable shield shell 33 which covers the cable introduction part 32 in the connector main body 13 are provided. Even when the cable shield shell 33 is attached, the connection terminal can be connected even when the cable shield shell 33 is used as compared with the case where the integrated shield shell 71 in which the cable insertion portion 72 covering the cable introduction portion 32 and the portion covering the fastening portion of the connection terminal 35 are integrated is used. The fastening operation can be facilitated with the 35 fastening locations exposed. In addition, the manufacturing process can be simplified by simplifying the shape, and the size and cost can be reduced.
DESCRIPTION OF SYMBOLS 10 Connector 11 Attachment part 13 Connector main body 14 Connection part Shield shell 22 Terminal block 32 Cable introduction part (introduction part)
33 Cable shield shell 35 Connection terminal 38 Cable
A mounting portion having a terminal block;
The connector according to claim 1, wherein the connector main body is inclined in a direction in which an introduction portion of the cable is separated from a fastening direction of the connection terminal to the terminal block.
The connector according to claim 1, wherein the connector main body is molded in a state where an introduction portion of the cable is embedded in a part thereof.
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US14/146,044 US9722361B2 (en) 2011-07-22 2014-01-02 Connector with shield shell for cable
JP2013026078A true JP2013026078A (en) 2013-02-04
JP5836682B2 JP5836682B2 (en) 2015-12-24
JP2011161083A Active JP5836682B2 (en) 2011-07-22 2011-07-22 connector
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CN108352651B (en) * 2015-11-11 2019-11-12 住友电装株式会社 Sealing cover
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2015-09-04 A911 Transfer of reconsideration by examiner before appeal (zenchi)
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