JP2012182072A - Lead block and rotating connector using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lead block that can be manufactured at a lower cost and can easily correspond to variation in number of pin terminals, and a rotating connector that can lower the cost of parts and can easily correspond to variation in number of terminals.SOLUTION: A lead block 1 is constructed by press-fitting and fixing a required number of pin terminals 3 in an insulative support member 2. Exposure hole parts 6, guiding grooves 7, and positioning protrusions 8 are provided at a plurality of locations on a bottom plate part 4 of the support member 2, and mounting hole parts 9 and base end holding parts 10 are provided on a plurality of locations on a jetty part 5 of the support member 2. Each of the pin terminals 3 is press-fit in the support member 2 while being slid along the guiding grooves 7, and a comb-shaped portion 3e is firmly fit in the mounting hole parts 9 and concurrently a base end part 3c is press-fit in the base end holding parts 10. A connection end part of a flat cable 20 is disposed in a recess section 2a of the support member 2 and positioned by the positioning protrusions 8, and strip conductors 21 exposed in conductor exposure holes 23 are weld-connected with welding portions 3d of the pin terminals 3.

Description

  The present invention relates to a lead block having a pin terminal welded to a strip conductor of a flat cable, and a rotary connector in which the flat cable housed in the housing is electrically connected to an external connector via the lead block. And about.

  An annular space is defined between a movable side housing and a stationary side housing that are rotatably connected to a rotary connector that is incorporated in an automobile steering device and used as an electrical connection means for an air bag system or the like. A flat cable (flat cable) is housed in the annular space in a wound state. One end of the flat cable is welded to the pin terminal group of the upper connector (first lead block), and the upper connector is attached to a movable housing that rotates integrally with the handle (steering wheel). . The upper connector is connected to an external connector derived from an airbag system on the handle side, a horn circuit, or the like. The other end of the flat cable is welded to a pin terminal group of a lower connector (second lead block), and the lower connector is attached to a stationary housing installed in a steering column or the like. The lower connector is connected to an external connector derived from the electric device on the vehicle body side. The flat cable is a band-shaped body in which a plurality of band-shaped conductors arranged in parallel are sandwiched between a pair of insulating films via an adhesive layer and integrated, and in the rotary connector, in the annular space The inner end of the stored flat cable is fixed to the movable housing, and the outer end of the flat cable is fixed to the fixed housing.

  In the rotary connector schematically configured as described above, the upper connector and the lower connector are configured as lead blocks that are attached to the connector holding portions of the movable housing and the fixed housing. A conventional lead block has a structure in which a plurality of pin terminal groups are fixed to a support member made of an insulating resin by an insert molding technique, and a part of each pin terminal is exposed in the opening of the support member. . Moreover, the strip | belt-shaped conductor of the both ends (connection end part) of a flat cable is also exposed without being coat | covered with an insulating film. Then, the exposed part of the strip conductor is overlapped with the pin terminal of the lead block and welded by spot welding or the like, so that the connection end of the flat cable is electrically and mechanically connected to the pin terminal group of the lead block. It has come to be.

JP-A-11-97088

  As described above, conventionally, a lead block having a pin terminal welded to a flat cable is manufactured by insert molding in which a pin terminal is placed in a mold of a support member and injection molding is performed. Yes. However, when the insert molding technique is adopted, the mold shape becomes complicated, and there is a problem that the manufacturing cost of the lead block is increased. In addition, lead blocks used for rotary connectors may have different pin terminals depending on the vehicle model. However, in conventional lead blocks, the mold of the support member must be changed each time according to the number of pin terminals. Therefore, a plurality of types of lead blocks could not be manufactured efficiently and inexpensively.

  The present invention has been made in view of the actual situation of the prior art, and a first object thereof is to provide a lead block that can be manufactured at low cost and can easily cope with an increase or decrease in the number of pin terminals. . A second object of the present invention is to provide a rotary connector that can reduce the cost of components and easily cope with an increase or decrease in the number of terminals.

  In order to achieve the first object, the present invention comprises a plurality of pin terminals arranged in parallel to each other and an insulating support member to which the pin terminals are fixed, and is connected to a flat cable. In the lead block used by welding the band-shaped conductor exposed at the end to the pin terminal, there is a predetermined position between the distal end portion and the base end portion of each pin terminal as the bonded portion with the band-shaped conductor, The support member is provided with an exposure hole that exposes each joint and an insertion portion that can be press-fitted and fixed by inserting each pin terminal, and the distal end portion of each pin terminal is disposed outward of the support member. It was made to project to.

  The lead block configured in this way does not require insert molding, and can greatly reduce the cost of the support member. It is also easy to press-fit and fix the required number of pin terminals on the support member, so the lead block manufacturing cost Can be greatly reduced. In addition, since this lead block can be easily modified to a configuration in which the number of pin terminals is changed with respect to a common support member, a plurality of types of lead blocks having different numbers of pin terminals can be manufactured efficiently and inexpensively. Can do.

  In the lead block configured as described above, the insertion portion of the support member has a first insertion portion formed so as to insert a part between the tip portion and the joint portion of each pin terminal, and a base of each pin terminal. When it is the structure which consists of a 2nd insertion part formed so that an edge part may be inserted, it becomes easy to raise the attachment intensity | strength of a pin terminal with respect to a supporting member, and an attachment position precision.

  In the lead block configured as described above, the first insertion portion is an attachment hole formed in the support member, and the second insertion portion is a base holding portion formed at a position facing the attachment hole. Yes, each pin terminal is formed with a size that is press-fitted into the mounting hole portion and the base holding portion, and a penetration defining portion that defines the penetrating length of each pin terminal that penetrates the mounting hole portion is formed If the support member is provided with a guide groove that can be engaged with the pin terminal penetrating the attachment hole and extends along the pin terminal, the pin terminal is attached to the attachment hole and the base portion of the support member. When press-fitting and fixing to each of the holding portions, the pin terminal can be securely pressed while sliding along the guide groove, so that workability is improved and it is easy to prevent displacement of the pin terminal. .

  Further, in the lead block having the above-described configuration, when the cross section of the penetration defining portion has a width wider than the size of the mounting hole portion and is locked to the mounting hole portion, the press-in operation of the pin terminal is facilitated. It is preferable.

  Further, in the lead block having the above structure, a through hole is formed in a region where the strip-shaped conductor does not exist at the connection end portion of the flat cable, and a positioning projection that can be inserted into the through hole of the flat cable is provided on the support member. In this case, the connection end of the flat cable can be held in the positioning state by the positioning protrusion. Therefore, the work efficiency when connecting the flat cable to the lead block is improved and the external force is less likely to act directly on the welded area between the strip conductor and the pin terminal after connection. Will improve.

  Further, in the lead block having the above-described configuration, the support member includes a rectangular bottom plate portion provided with the exposed hole portion, and extends along three sides of the bottom plate portion so that the attachment hole portion and the base gripping portion are provided. If the connecting end of the flat cable is arranged in a recess on the bottom plate part defined inside the jetty, the jetty is flattened on the lead block. The position of the connecting end can be easily adjusted when connecting the cable, and the support member can be configured without reducing the mechanical strength even if the thickness of the bottom plate is reduced. Since the operator can hold the jetty with his / her finger and perform the assembly work, the connection end of the flat cable can be protected, so that the flat cable connection end is less likely to be peeled off during the assembly work.

  In order to achieve the second object described above, the present invention provides a movable housing and a fixed housing that are rotatably connected, and a winding state in an annular space defined between the two housings. A flat cable housed in a first lead block held in the movable housing and connected to one connection end of the flat cable and held in the fixed housing. In the rotary connector in which the other connection end of the flat cable is connected to the second lead block, the lead block having any one of the above configurations is used for the first and second lead blocks. That is, the lead block having any one of the above structures can be manufactured at low cost and can easily cope with the increase or decrease in the number of pin terminals, so that the cost of parts of the rotary connector can be reduced. Even when the number of pin terminals differs depending on the vehicle model, it is not necessary to change the die of the support member of the lead block, and multiple types of lead blocks can be manufactured efficiently and inexpensively. An easy rotating connector is obtained.

  The lead block of the present invention does not require insert molding, and since it is easy to press-fit and fix the required number of pin terminals to the support member, it can be manufactured at low cost and easily accommodates the increase or decrease in the number of pin terminals. Has a remarkable effect.

  In addition, the rotary connector of the present invention does not require changing the die of the support member of the lead block even when the number of pin terminals varies depending on the vehicle type, and can produce a plurality of types of lead blocks efficiently and inexpensively. There is a remarkable effect that the component cost can be reduced and the number of terminals can be easily increased or decreased.

It is a perspective view which shows the state which connected the connection end part of the flat cable to the lead block which concerns on the example of embodiment of this invention. It is an external view of the lead block. FIG. 3 is an exploded perspective view of the lead block. FIG. 2 is an exploded perspective view of a lead block and a flat cable shown in FIG. 1. It is a perspective view of the back surface side corresponding to FIG. It is a partial cross section top view which shows one edge part of this lead block. It is explanatory drawing which shows the state by which the pin terminal and the strip | belt-shaped conductor of a flat cable are weld-joined in the cross-sectional location which follows the VII-VII line of FIG. It is explanatory drawing which shows the state which crimps and fixes the flat cable with the positioning protrusion of this lead block. It is sectional drawing which shows a part of rotary connector in which this lead block is integrated. It is a bottom view of the rotary connector. It is a top view of the rotary connector.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 8, the lead block 1 according to the present embodiment is configured by press-fitting and fixing a plurality of (10 in the embodiment) pin terminals 3 to an insulating support member 2. Yes. The lead block 1 is connected to a connection end portion of a flat cable (flat cable) 20 and then incorporated into a rotary connector 30 shown in FIGS. The rotary connector 30 is incorporated in a steering device of an automobile and used as an electrical connection means for an air bag system or the like. In the annular space 33 defined between the movable housing 31 and the fixed housing 32, The flat cable 20 is housed in the housing.

  The structure of the lead block 1 will be described in detail. The support member 2 is a molded product made of an insulating resin. As shown in FIG. 4, the support member 2 has a rectangular bottom plate portion 4 and three sides of the bottom plate portion 4, that is, one side where the flat cable 20 extends outward in the bottom plate portion 4. The connecting end portion of the flat cable 20 is formed in the recess 2a on the bottom plate portion 4 that is defined inside the jetty portion 5 and the jetty portion 5 extending along the three sides. Dimensioned to be placed.

  Exposed holes 6 are formed at a plurality of locations (10 in the embodiment) of the bottom plate portion 4 of the support member 2, and as shown in FIG. The part (joining part 3d) is exposed on the back side of the bottom plate part 4. Further, on the surface of the bottom plate portion 4 on the side of the recess 2a, a plurality of guide grooves 7 (10 in the embodiment) that extend in parallel with each other across the exposed hole portions 6 and project into the recess 2a. A plurality of (four in the embodiment example) positioning protrusions 8 are provided. The guide groove 7 is for sliding and guiding the pin terminal 3 when press-fitted into the support member 2, and the guide groove 7 is large enough to allow the pin terminal 3 to be loosely inserted as shown in FIGS. Is formed. Further, the positioning projections 8 are provided in the vicinity of both ends in the longitudinal direction of the bottom plate portion 4 in a region where the exposure hole 6 and the guide groove 7 do not exist. The positioning projection 8 is for insertion into a later-described through-hole 24 of the flat cable 20, and as shown in FIG. 8, the positioning cable 8 is inserted into the through-hole 24 and caulked to flatten the cable. The 20 connection end portions can be positioned and fixed on the bottom plate portion 4.

  As shown in FIGS. 3 and 4, the jetty portion 5 of the support member 2 extends along the first holding portion 5 a extending along one long side of the bottom plate portion 4 and the other long side of the bottom plate portion 4. It consists of the 2nd holding | maintenance part 5b and the connection part 5c which has connected the longitudinal direction one end of both these holding | maintenance parts 5a and 5b, and the 1st holding | maintenance part 5a and the 2nd holding | maintenance part 5b oppose through the recess 2a is doing. The connecting portion 5c is formed on the bottom plate portion 4 on the side facing the one side on which the flat cable 20 extends outward. The 1st holding | maintenance part 5a and the 2nd holding | maintenance part 5b are the attachment hole part 9 (1st insertion insertion part) and the base end holding part 10 (2nd insertion insertion) as an insertion insertion part which can insert and fix each pin terminal 3. As shown in FIG. Part). That is, when the pin terminal 3 is inserted and inserted into a plurality of locations corresponding to the respective guide grooves 7 of the first holding portion 5a, portions that are adjacent on the base end portion 3c side with respect to a flange portion (wide portion) 3b described later ( A mounting hole 9 is formed for strongly fitting a wedge-shaped portion 3e) described later. Further, the second holding portion 5b is provided with base end holding portions 10 for press-fitting the base end portion 3c of the pin terminal 3 at a plurality of locations corresponding to the guide grooves 7 in the same manner. The mounting hole portion 9 and the proximal end holding portion 10 existing on one end side and the other end side of the same guide groove 7 are in a positional relationship facing each other. In addition, each pin terminal 3 is formed in the dimension press-fitted with respect to the attachment hole part 9 and the base end holding | grip part 10. FIG.

  As shown in FIGS. 2 and 3, each pin terminal 3 is fitted into each attachment hole 9 of the support member 2 and is press-fitted and fixed. The pin terminal 3 is provided with a flange portion 3b as a wide portion between the distal end portion 3a and the proximal end portion 3c. As shown in FIG. 6, the flange portion 3 b is attached to the mounting hole portion so that the flange portion 3 b abuts and engages with the peripheral edge portion of the attachment hole portion 9 when the pin terminal 3 is inserted into each attachment hole portion 9. 9 has a width wider than 9, and functions as a penetration defining portion that regulates the penetration length of the pin terminal 3 penetrating through the attachment hole portion 9. Therefore, the press-fitting operation of the pin terminal 3 is facilitated. A wedge-shaped portion 3e is formed in a portion adjacent to the base end portion 3c side from the flange portion (wide portion) 3b, and the wedge-shaped portion 3e is formed by press-fitting the wedge-shaped portion 3e into the attachment hole 9. The first holding portion 5a is strongly fitted. The wedge-shaped portion 3e is formed in a wedge shape so that its outer surface bites into the inner wall of the mounting hole portion 9, so that the pin terminal 3 fitted in the mounting hole portion 9 is difficult to come out. Yes. Of the pin terminal 3, a linear portion between the flange 3 b and the base end 3 c is disposed in the recess 2 a of the support member 2, and a part of the straight portion is exposed to the exposed hole 6 of the bottom plate 4. It is the joint part 3d arrange | positioned just above (refer FIG. 5, FIG. 6). Further, in the pin terminal 3, a portion from the flange portion 3 b to the tip portion 3 a protrudes outward from the first holding portion 5 a of the support member 2. It should be noted that when the pin terminal 3 is formed with a protrusion or the like instead of the flange 3 b and the pin terminal 3 is inserted into each mounting hole 9, the protrusion or the like is brought into contact with the peripheral edge of the mounting hole 9. You may do it.

  1 to 8 is used as a lower connector of the rotary connector 30, the lead block 11 used as an upper connector of the rotary connector 30 is basically the same. It is a configuration. That is, as shown in FIG. 9, in the lead block 11 for the upper connector, the portion from the flange portion 3b to the tip portion 3a of the L-shaped pin terminal 3 protrudes outward from the support member 2. A portion of the pin terminal 3 that is adjacent to the base end portion 3c side of the flange portion 3b is press-fitted and fixed to the support member 2 in the same manner as the lead block 1 described above. The lead block 1 is attached to the lower connector holding portion 32a of the fixed side housing 32 of the rotary connector 30, and the lead block 11 is attached to the upper connector holding portion 31a of the movable side housing 31 of the rotary connector 30. It has become.

  The flat cable 20 is a band-shaped body in which a plurality of (in the embodiment, ten) band-shaped conductors 21 arranged in parallel are sandwiched and laminated by a pair of insulating films 22 via an adhesive layer. As shown in FIG. 4, at the connection end of the flat cable 20, the insulating film 22 has a plurality of conductor exposure holes 23 for exposing a part of each strip-shaped conductor 21, and the support member 2. The through holes 24 for inserting the positioning projections 8 are formed at a plurality of locations. The through hole 24 does not overlap the strip conductor 21. A long portion connecting the connecting end portions at both ends of the flat cable 20 is accommodated in the annular space 33 of the rotary connector 30 in a wound state. One connection end (inner end) of the flat cable 20 is connected to the lead block 11 (upper connector) attached to the movable housing 31 of the rotary connector 30, and the flat cable 20 The other connection end (outer end) is connected to the lead block 1 (lower connector) attached to the stationary housing 32 of the rotary connector 30.

  The connection structure of the flat cable 20 to the lead block 1 will be described. First, one connection end (inner end) of the flat cable 20 is arranged in the recess 2 a of the support member 2, The corresponding positioning protrusion 8 of the support member 2 is inserted. As a result, the connection end of the flat cable 20 is positioned with respect to the support member 2, and each conductor exposure hole 23 is disposed immediately above each exposure hole 6 of the bottom plate part 4. Thereafter, electrodes (not shown) are inserted into the exposed hole 6 and the conductor exposed hole 23, respectively, and the joint 3d of the pin terminal 3 and the strip-shaped conductor 21 in the conductor exposed hole 23 are pressed into contact with each other by these pair of electrodes. As shown in FIG. 7, the pin terminal 3 and the strip-shaped conductor 21 are welded and joined by performing spot welding in which current is applied. The connection structure of the other connection end (outer end) of the flat cable 20 to the lead block 11 is also exactly the same as the connection structure described above.

  Next, the configuration of the rotary connector 30 will be described. The rotary connector 30 shown in FIGS. 9 to 11 includes a movable housing 31 that rotates integrally with a handle (steering wheel), a fixed housing 32 that is installed in a steering column, and the like, and a space between the housings 31 and 32. A flat cable 20 housed in a wound state in the annular space 33 formed, and a rotating body 34 rotatably disposed in the annular space 33 are provided, and both housings 31 and 32 rotate. It is connected freely. The movable housing 31 is obtained by integrating the upper rotor 35 and the lower rotor 36 by snap coupling or the like, and the lead block 11 is incorporated in an upper connector holding portion 31 a provided in a part of the upper rotor 35. The lead block 11 is connected to an external connector derived from a handle side airbag system, a horn circuit, or the like. The fixed housing 32 is formed by integrating the outer cylindrical portion 37 and the lower cover 38 by snap coupling or the like, and the lead block 1 is incorporated in a lower connector holding portion 32a provided in a part thereof. The lead block 1 is connected to an external connector derived from an electric device on the vehicle body side. One connection end (inner end) of the flat cable 20 is connected to the lead block 1 and is held by the fixed housing 32 (lower connector holding portion 32a), and the other connection end of the flat cable 20 is connected. The (outer end) is connected to the lead block 11 and held by the movable housing 31 (upper connector holding portion 31a). A steering shaft is inserted through the center hole 39 of the rotary connector 30.

  As described above, in the present embodiment, the lead block 1 attached to the stationary housing 32 of the rotary connector 30 has a plurality of pin terminals 3 arranged in parallel to each other on the insulating support member 2. The insert block need not be insert-molded, and it is also easy to press-fit and fix the required number of pin terminals 3 to the support member 2, so that the manufacturing cost of the lead block 1 can be reduced. It can be greatly reduced. For the same reason, the manufacturing cost of the lead block 11 attached to the movable housing 31 of the rotary connector 30 can be greatly reduced. Further, these lead blocks 1 and 11 can be easily modified to a configuration in which the number of pin terminals 3 is reduced with respect to the common support member 2 (for example, a total of eight less than the embodiment example). Therefore, a plurality of types of lead blocks 1 and 11 having different numbers of pin terminals 3 can be manufactured efficiently and inexpensively.

  In the present embodiment, the first holding portion 5a of the support member 2 of the lead blocks 1 and 11 has a portion between the tip portion 3a and the joint portion 3d of each pin terminal 3, that is, a flange portion (wide portion). ) Not only a mounting hole 9 (first insertion portion as an insertion portion) that can be strongly fitted to the wedge-shaped portion 3e that is a portion adjacent to the proximal end portion 3c side than 3b is provided, but also a support The base end part 3c of each pin terminal 3 can be inserted into the second holding part 5b of the member 2 and can be press-fitted, and the base end holding part 10 facing the mounting hole part 9 (second insertion part as an insertion part). Therefore, the mounting strength and mounting position accuracy of the pin terminal 3 with respect to the support member 2 can be easily increased.

  Moreover, the bottom plate portion 4 of the support member 2 is provided with a guide groove 7 that can be engaged with the pin terminal 3 at the time of press-fitting through the mounting hole portion 9 and extends along the pin terminal 3. Since the press-fitting operation can be performed while sliding the pin terminal 3 along the guide groove 7, the workability is improved and the positional deviation of the pin terminal 3 is easily prevented. The flange 3b is wider than the attachment hole 9 so that when the pin terminal 3 is inserted into each attachment hole 9, the flange 3b abuts and engages with the peripheral edge of the attachment hole 9. And functions as a penetration defining portion that regulates the penetration length of the pin terminal 3 penetrating the mounting hole 9, so that the press-fitting operation of the pin terminal 3 can be facilitated.

  In this embodiment, the support member 2 of the lead blocks 1 and 11 has a rectangular bottom plate portion 4 provided with an exposure hole 6 for exposing the joint portion 3d of the pin terminal 3, and the bottom plate. A jetty portion 5 extending along three sides of the portion 4 and provided with a mounting hole portion 9 and the like is formed. The support member 2 is dimensioned so that the connection end of the flat cable 20 is disposed in the recess 2 a defined inside the jetty 5. When the flat cable 20 is connected, the connection end can be easily aligned. In addition, by surrounding the three sides of the connecting end portion of the flat cable 20 with the jetty portion 5, the support member 2 can be configured without reducing the mechanical strength even if the thickness of the bottom plate portion 4 is reduced. In addition, since the operator can hold the jetty portion 5 with his / her finger and perform the assembly work, the connection end of the flat cable 20 can be protected, so that the connection end of the flat cable 20 is peeled off during the assembly work. It has become difficult.

  In the present embodiment, the supporting member 2 of the lead blocks 1 and 11 is provided with a plurality of positioning projections 8 that can be inserted into the through holes 24 of the flat cable 20. The 20 connection end portions can be held in a positioned state. Therefore, the work efficiency when connecting the flat cable 20 to the lead blocks 1 and 11 is good, and the external force is less likely to act directly on the welded portion between the strip conductor 21 and the pin terminal 3 (joining portion 3d) after the connection. Therefore, conduction reliability is increased.

  Further, since the rotary connector 30 according to the present embodiment uses the lead blocks 1 and 11, the component cost can be reduced. In particular, even when the number of pin terminals 3 varies depending on the vehicle model, it is not necessary to change the mold of the support member 2 of the lead blocks 1 and 11, and a plurality of types of lead blocks 1 and 11 can be manufactured efficiently and inexpensively. Thus, the rotary connector 30 that can easily cope with the increase or decrease in the number of terminals can be obtained easily and inexpensively.

  In addition, in this embodiment, although the insertion part comprised by the attachment hole part 9 (1st insertion insertion part) and the base end holding | grip part 10 (2nd insertion insertion part) was demonstrated, 1st insertion insertion The insertion part which consists of any one of a part and a 2nd insertion part may be sufficient. In this case, from the viewpoint of enhancing the mounting strength and mounting position system of the pin terminal 3 with respect to the support member 2 and facilitating the press-fitting operation, the mounting hole portion 9 (first fitting insertion portion) and the guide groove 17 are provided. More preferably.

1 Lead block (second lead block)
2 support member 2a recess 3 pin terminal 3a tip 3b flange 3c base end 3d joint 3e wedge shaped part 4 bottom plate part 5 jetty part 6 exposed hole part 7 guide groove 8 positioning projection 9 attachment hole part 10 base end restraint Holding part 11 Lead block (first lead block)
20 Flat Cable 21 Strip-shaped Conductor 22 Insulating Film 23 Conductor Exposed Hole 24 Through-hole 30 Rotating Connector 31 Movable Housing 31a Upper Connector Holding Part 32 Fixed Side Housing 32a Lower Connector Holding Part 33 Annular Space

Claims (7)

A plurality of pin terminals arranged in parallel to each other and an insulating support member to which the pin terminals are fixed, and a belt-like conductor exposed at the connection end of the flat cable is welded to the pin terminals. A lead block used,
A predetermined position between the distal end portion and the proximal end portion of each pin terminal is formed as a joint portion with the strip-shaped conductor, and an exposure hole portion that exposes each joint portion is fitted into the support member, and each pin terminal is fitted. A lead block comprising a fitting insertion portion capable of being inserted and press-fitted and configured to project a tip end portion of each pin terminal outward of the support member.   In Claim 1, The said insertion part is a 1st insertion part formed so that a part between the front-end | tip part of each said pin terminal and the said junction part may be inserted, and the base of each said pin terminal A lead block comprising a second insertion portion formed so as to be inserted into the end portion.   3. The base gripping portion according to claim 2, wherein the first fitting insertion portion is an attachment hole portion formed in the support member, and the second fitting insertion portion is formed at a position facing the attachment hole portion. And each pin terminal is formed to have a size that is press-fitted into the mounting hole portion and the base holding portion, and has a penetration that defines a penetrating length of the pin terminal that penetrates the mounting hole portion. A lead block characterized in that a defining portion is formed, and the support member is provided with a guide groove that can be engaged with the pin terminal penetrating the mounting hole and extends along the pin terminal. .   4. The lead block according to claim 3, wherein a cross section of the penetration defining portion has a width wider than the size of the mounting hole portion.   5. The through hole according to claim 1, wherein a through-hole is formed in a region where the strip-shaped conductor does not exist at the connection end of the flat cable, and the support member can be inserted into the through-hole. A lead block having a positioning protrusion.   6. The mounting hole according to claim 3, wherein the supporting member extends along a rectangular bottom plate portion provided with the exposed hole portion and three sides of the bottom plate portion. And a connecting end portion of the flat cable is disposed in a recess defined on the inner side of the jetty portion and facing the bottom plate portion. Lead block characterized by. A movable housing and a fixed housing which are rotatably connected, and a flat cable which is housed in a looped state in an annular space defined between the two housings, and is held by the movable housing. One connecting end of the flat cable is connected to the first lead block, and the other connecting end of the flat cable is connected to the second lead block held by the stationary housing. A rotating connector,
The rotary connector, wherein the first and second lead blocks are the lead blocks according to claim 1.

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