JP6023397B2 - Conductive connection method between connection terminal and connection member - Google Patents

Description

  The present invention relates to a conductive connection method between a connection terminal and a connection member in a connector provided with a plurality of connection terminals.

2. Description of the Related Art Conventionally, there has been known a connector including a PCB assembly having a structure in which contact terminals are provided at both ends of a conductive path provided on an insulating substrate, and a cover plate is covered on a surface on the conductive path side of the insulating substrate via a spacer. (For example, refer to Patent Document 1).
In addition, a technique for configuring a connector by fixing a plurality of rod-shaped male terminals to the case of the apparatus is also disclosed (see, for example, Patent Documents 2 and 3).

JP 2006-108115 A JP 2005-322532 A JP 2009-99411 A

  By the way, if the form of the connecting member to be connected to the contact terminal is changed, the connector of Patent Document 1 must be a contact portion that matches the form of the connecting member. For that purpose, the spacer attached to the insulating substrate is used. And it is necessary to replace the cover plate with one applied to the form of the connecting member. Further, since a connector housing for housing and protecting a plurality of contact portions protruding to the outside is required, an increase in size is caused.

  In Patent Documents 2 and 3, since the male terminal is provided on the device case itself, if the shape of the device case is changed, the connector portion must be changed in accordance with the case, resulting in an increase in cost. I will.

  The present invention has been made in view of the above-described circumstances, and an object thereof is a conductive connection method between a connection terminal and a connection member in a connector that can be connected to various connection members without incurring an increase in cost. It is to provide.

In order to achieve the above-described object, the conductive connection method between the connection terminal and the connection member according to the present invention is characterized by any of the following (1) to (3).
(1) a housing that can be fitted to the mounting portion formed in the case of a plurality of devices, the terminal portion of the distal end side from the one surface of said housing out collision, the rear end side from the other surface of the housing a conductive connecting method of connecting portions connecting electrically connected to the connection terminal that is assembled to the housing so as to leave collision, the connecting member to the connecting portion of the connection terminal of the connector provided with,
In connecting the connection portion of the connection terminal to the connection member, a solder connection method of soldering the connection portion to the connection member, a fusion heating connection method of melting and heating the connection portion to connect to the connection member, and , engaging contact how to perform the engagement between said connecting member engaging pieces bent provided in the connecting portion is a selectable,
In the connection member, an attachment portion capable of conducting connection with the connection portion of the connection terminal is formed,
The connection portion of the connection terminal and the attachment portion of the connection member are conductively connected by any one of the solder connection method, the fusion heating connection method, or the engagement connection method.
about.
(2) The conductive connection method according to (1), wherein when the connection member is a flexible printed board, any one of the solder connection method, the fusion heating connection method, or the engagement connection method is used as the connection method. about.
(3) The conductive connection method according to (1), wherein when the connection member is a spring terminal, any one of the solder connection method, the fusion heating connection method, or the engagement connection method is used as the connection method. .

In the conductive connection method between the connection terminal and the connection member configured as described in (1) above, the connection member having a plurality of mounting holes corresponding to each connection terminal with respect to the connection portion in which one end of the connection terminal protrudes from the housing Alternatively, since any of the plurality of connection members having attachment holes through which the connection terminals can be inserted is connectable, it is not necessary to change the structure of the connection portion every time the shape of the connection member is different. Further, since the housing that can be attached to the case of the apparatus is separate from the case of the apparatus, it is not necessary to raise the mold and mold the housing every time the case shape is different. As a result, various demands can be met while eliminating the cost increase associated with the change in structure and shape. Further, there is no connector housing that covers the entire connector, and therefore the entire size can be reduced.
In the conductive connection method between the connection terminal and the connection member having the configuration (2), the flexible printed circuit board as the connection member can be easily conductively connected to the end of the connection terminal by soldering , welding, or engagement connection. .
In the conductive connection method between the connection terminal and the connection member having the configuration (3), the spring terminal as the connection member can be easily conductively connected to the end of the connection terminal by welding or soldering . Further, by bending the end portion of the connection terminal, the connection member can be easily engaged with the end portion of the connection terminal to conduct conduction.

  According to the present invention, it is possible to provide a conductive connection method between a connection terminal and a connection member in a connector that can be connected to various connection members without causing an increase in cost.

  The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading through the modes for carrying out the invention described below with reference to the accompanying drawings.

It is a top view of the connector which concerns on embodiment of this invention. It is sectional drawing of the connector which concerns on embodiment of this invention. It is a side view of the connection terminal which comprises a connector. It is sectional drawing of the connector of the state which connected FPC. It is a figure which shows the connector of the state which connected FPC, Comprising: (a) is a side view, (b) is a back view. It is a perspective view of FPC connected to a connector. It is sectional drawing of the connector of the state which connected the spring terminal. It is a figure which shows the connector of the state which connected the spring terminal, Comprising: (a) is a side view, (b) is a back view. It is a figure which shows the spring terminal connected to a connector, Comprising: (a) is a perspective view, (b) is a side view. It is sectional drawing of the connector of the state which connected the spring terminal. It is a figure which shows the connector of the state which connected the spring terminal, Comprising: (a) is a side view, (b) is a back view. It is a perspective view of the spring terminal connected to a connector. It is a figure which shows the connecting terminal of the other structure which comprises a connector, Comprising: (a) is a side view before bending an engaging piece, (b) is a side view after bending an engaging piece. It is sectional drawing of the connector of the state which connected FPC to the connector. It is sectional drawing of the connector of the state which connected the spring terminal to the connector.

  Hereinafter, an example of an embodiment according to the present invention will be described with reference to the drawings.

  FIG. 1 is a plan view of a connector according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the connector according to an embodiment of the present invention.

  As shown in FIGS. 1 and 2, the connector 11 includes a housing 12 that is made of resin and has a rectangular shape in plan view. The housing 12 is formed with a concave portion 13 having a circular shape in a plan view at a central portion on the upper surface side, and a plurality (six in this example) of connection terminals 14 are erected on the bottom portion 13 a of the concave portion 13. ing.

  The connector 11 is attached to the case of the apparatus by fitting the housing 12 into an attachment portion formed in the case of various apparatuses.

  As shown in FIG. 3, these connection terminals 14 are formed in a rod shape, and the front end side is a terminal portion 14a, and the rear end side is a connection end 14b. The terminal portion 14 a on the front end side protrudes upward from the upper surface side of the housing 12, and the connection end 14 b on the rear end side protrudes downward from the lower surface side of the housing 12.

  Further, the connection terminal 14 has a fixing portion 14 c formed in the vicinity of the rear end thereof, and the fixing portion 14 c is fixed to the housing 12 integrally. The fixing portion 14 c has a plurality of protrusions on the surface, and these protrusions bite into the resin of the housing 12, and the fixing portion 14 c is fixed to the housing 12, whereby the connection terminal 14 is fixed to the housing 12.

  The housing 12 is formed by injection molding of resin, and the connection terminals 14 are fixed to the housing 12 by insert molding.

  The connector 11 is a male connector, and a female receptacle (not shown) can be conductively connected to the terminal portion 14 a of the connection terminal 14. The connector 11 has a connection portion 11a on the lower surface side from which the connection end 14b of the connection terminal 14 is projected, and various connection members can be connected to the connection portion 11a. Moreover, as a method of connecting a connection member to the connection portion 11a of the connector 11, various connection methods can be applied.

  Next, the case where a connection member is attached to the connection part 11a of the connector 11 will be described for each connection method.

(1) Solder connection A connection method by soldering to the connection end 14b of the connection portion 11a will be described by taking as an example a case of connecting a connection member made of FPC (Flexible Printed Circuits).

  In FIGS. 4 and 5, the FPC 21 is connected as a connection member to the connection end 14 b of the connection portion 11 a of the connector 11.

  As shown in FIG. 6, the FPC 21 is composed of a long flexible printed circuit board, and one end side is a fixing portion 22 and the other end side is a terminal portion 23.

  A plurality of through holes (mounting holes) 22a are formed in the fixing portion 22 at positions corresponding to the connection terminals 14 of the connector 11, and the connection ends 14b of the connection terminals 14 are inserted into the through holes 22a. It has become so. The terminal portion 23 is provided with a plurality of terminals 23a. A conductive path (not shown) is formed in the FPC 21, and each through hole 22a of the fixing portion 22 is electrically connected to the terminal 23a of the terminal portion 23 through the conductive path.

  In order to connect the FPC 21 to the connection end 14b of the connection portion 11a of the connector 11, the fixing portion 22 of the FPC 21 is connected to the connector while the connection end 14b of the connection terminal 14 is inserted into the through hole 22a of the fixing portion 22 of the FPC 21. 11 and soldered to the connecting portion 11a.

  If it does in this way, the fixing | fixed part 22 of FPC21 can be easily connected to the connection end 14b of the connection part 11a of the connector 11. FIG.

(2) Welding connection A connection method by welding to the connection end 14b of the connecting portion 11a will be described by taking as an example a case of connecting a connecting member made of a spring terminal.

  7 and 8 are obtained by connecting a spring terminal 31 as a connection member to the connection end 14 b of the connection portion 11 a of the connector 11.

  As shown in FIG. 9, the spring terminal 31 is formed by bending spring steel, and has a fixed piece portion 32 and an action piece portion 33.

  The fixed piece 32 is formed with an attachment hole 32a through which the connection end 14b of the connection portion 11a of the connector 11 can be inserted. Further, the action piece portion 33 is formed with a protruding portion 33a protruding outward.

  And in order to connect the some spring terminal 31 to the connection end 14b of each connection part 11a of the connector 11, the connection end 14b of each connection terminal 14 to the attachment hole 32a of the fixing piece part 32 of each spring terminal 31. The fixing piece 32 of the spring terminal 31 is disposed on the connecting portion 11a of the connector 11 and the connecting end 14b of the connecting terminal 14 is heated and melted. Thereby, the spring terminal 31 is welded and connected to the connection end 14 b of the connection terminal 14.

  In this way, according to the connector 11 to which the spring terminal 31 is connected, by pressing a contact pin (not shown) against each spring terminal 31 of the connector 11, the protruding portion 33 a of the action piece portion 33 of the spring terminal 31. Can be brought into contact with the contact pin to conduct well.

  In addition, as a terminal connected to the connection end 14b of the connection terminal 14, not only the said spring terminal 31 but the thing of various shapes and structures is applicable.

  In FIGS. 10 and 11, a spring terminal 41 having a shape and structure different from that of the spring terminal 31 is connected to the connection end 14 b of the connection portion 11 a of the connector 11 as a connection member.

  As shown in FIG. 12, the spring terminal 41 is formed by bending spring steel. A fixed piece portion 42 is formed on one end side, and a connection end portion 43 is formed on the other end side.

  The fixing piece 42 is formed with an attachment hole 42a through which the connection end 14b of the connection portion 11a of the connector 11 can be inserted. The connection end 43 has a pair of sandwiching pieces 43a. When a connection pin (not shown) is inserted between the sandwiching pieces 43a, the connection pins are sandwiched by the sandwiching pieces 43a and are electrically connected to each other. It has come to be.

  And in order to connect the some spring terminal 41 to each connection end 14b of the connection part 11a of the connector 11, the connection end 14b of each connection terminal 14 to the attachment hole 42a of the fixing piece part 42 of each spring terminal 41. The fixed piece portion 42 of the spring terminal 41 is disposed on the connection portion 11a of the connector 11, and the connection end 14b of the connection terminal 14 is heated and melted. Thereby, the spring terminal 41 is welded and connected to the connection end 14 b of the connection terminal 14.

(3) Engagement connection A connection method for engaging and connecting the connection end 14b of the connection portion 11a will be described.

  When engaging and connecting, the connection terminal 14 shown in FIG. 13 is used. As shown in FIG. 13A, the connection terminal 14 has a connection end 14b divided into a plurality of engagement pieces 14d in the circumferential direction. Therefore, in this connection terminal 14, each engagement piece 14d of the connection end 14b can be bent as shown in FIG. 13 (b). Then, by bending the engagement pieces 14d of these connection ends 14b and spreading them outward, the connection members can be engaged and conductively connected by the engagement pieces 14d.

  In FIG. 14, the FPC 21 is engaged and connected. As shown in FIG. 14, in order to connect the FPC 21 to the connection end 14b of the connection portion 11a of the connector 11, the connection end 14b of the connection terminal 14 is inserted into the through hole 22a of the fixing portion 22 of the FPC 21, and then the connection end The engaging piece 14d of 14b is bent and spread outward.

  If it does in this way, the fixing | fixed part 22 of FPC21 will be engaged by the extended engagement piece 14d of the connection end 14b of the connection part 11a of the connector 11, and will be conductively connected.

  In FIG. 15, the spring terminal 31 is engaged and connected. As shown in FIG. 15, in order to connect the spring terminal 31 to the connection end 14 b of the connection portion 11 a of the connector 11, the connection end 14 b of the connection terminal 14 is inserted into the mounting hole 32 a of the fixed piece portion 32 of the spring terminal 31. Thereafter, the engagement piece 14d of the connection end 14b is bent and spread outward.

  If it does in this way, the fixed piece part 32 of the spring terminal 31 will be engaged by the extended engagement piece 14d of the connection end 14b of the connection part 11a of the connector 11, and will be conductively connected.

  Further, when the spring terminal 41 is engaged and connected, similarly to the spring terminal 31, the connection end 14b of the connection terminal 14 is inserted into the mounting hole 42a of the fixed piece portion 42 of the spring terminal 41, and then the connection end 14b The engaging piece 14d is bent and spread outward.

  If it does in this way, the fixed piece part 42 of the spring terminal 41 will be engaged by the extended engagement piece 14d of the connection end 14b of the connection part 11a of the connector 11, and will be conduct-connected.

  In this way, by changing to the connection terminal 14 having the engagement piece 14d, the connector 11 can be easily engaged and connected without changing the shape of the housing 12. Note that the connector 11 including the connection terminal 14 having the engagement piece 14d can also be connected by soldering and welding.

  In the above embodiment, the FPC 21 can be connected to the connection portion 11a of the connector 11 by welding connection, not limited to soldering connection and engagement connection, and the spring terminals 31 and 41 are connected by welding connection and engagement. Not only the joint connection but also the connection part 11a of the connector 11 can be connected by soldering connection.

  Further, as a connecting member to be collectively connected to the connecting end 14b of the connecting portion 11a of the connector 11, not only the FPC 21, but also an FFC (Flexible Flat Cable) covered with a plurality of conducting wires arranged in a flat manner. It is also possible to use it.

  As described above, in the conductive connection method between the connection terminal and the connection member in the connector according to the above-described embodiment, each connection end 14b of the connection terminal 14 is connected to the connection portion 11a protruding from the housing 12. Either the FPC 21 having a plurality of attachment holes 22a corresponding to the terminals 14 or the plurality of spring terminals 31, 41 having attachment holes 32a, 42a into which the connection ends 14b of the connection terminals 14 can be inserted can be connected. . That is, it is not necessary to change the structure of the connecting portion 11a of the connector 11 every time the shape of the connecting member connected to the connector 11 is different. Further, since the housing 12 that can be attached to the case of the apparatus is separate from the case of the apparatus, there is no need to raise the mold and mold the housing 12 every time the case shape is different. As a result, various demands can be met while eliminating the cost increase associated with the change in structure and shape. Further, there is no connector housing or the like that covers the entire connector 11, so that the entire size can be reduced.

  Further, the FPC 21 and the spring terminals 31 and 41 can be easily conductively connected to the connection end 14b of the connection terminal 14 by soldering or welding. Further, by bending the engagement piece 14d of the connection end 14b of the connection terminal 14, the FPC 21 and the spring terminals 31 and 41 can be easily engaged with the end of the connection terminal 14 and can be electrically connected.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimension, numerical value, form, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

11 Connector 11a Connection part 12 Housing 14 Connection terminal 14b Connection end (one end)
21 FPC (connection member)
22a Through hole (mounting hole)
32a, 42a Mounting holes 31, 41 Spring terminals (connection members)

Claims (3)

A housing which can be fitted to the mounting portion formed in the case of a plurality of devices, the terminal portion of the distal end side from the one surface of said housing out collision, the rear end side from the other surface of the housing connecting portion there a conductive connection method for electrically conducting connecting the connection member to the connecting portion of the connection terminals of a connector and a connection terminal that is assembled to the housing so as to leave collision,
In connecting the connection portion of the connection terminal to the connection member, a solder connection method of soldering the connection portion to the connection member, a fusion heating connection method of melting and heating the connection portion to connect to the connection member, and , engaging contact how to perform the engagement between said connecting member engaging pieces bent provided in the connecting portion is a selectable,
In the connection member, an attachment portion capable of conducting connection with the connection portion of the connection terminal is formed,
The connection portion of the connection terminal and the attachment portion of the connection member are conductively connected by any one of the solder connection method, the fusion heating connection method, or the engagement connection method.
A conductive connection method between the connection terminal and the connection member.   The conductive connection method according to claim 1, wherein when the connection member is a flexible printed board, any one of the solder connection method, the fusion heating connection method, and the engagement connection method is used as the connection method. A conductive connection method between the connection terminal and the connection member.   The conductive connection method according to claim 1, wherein when the connection member is a spring terminal, the solder connection method, the fusion heating connection method, or the engagement connection method is used as the connection method. Conductive connection method between connecting terminal and connecting member.

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