JP2006049039A - Multi-terminal connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector with a large number of terminals having a high degree of freedom in the mounting position of a connection pin on a connector side and an electric circuit on a circuit board side and the routing of a circuit portion.
In a multi-terminal connector having a connector and a circuit board, wherein a contact of the connector is connected to a circuit pattern of the circuit board, a circuit pattern is formed in a housing of the connector, and the circuit of the connector The pattern is formed in a three-dimensional shape on at least two continuous surfaces of the housing upper surface, the housing side surface, and the housing lower surface, and the circuit pattern of the contact is connected to the circuit pattern of the circuit board. It is a multi-terminal connector.
[Selection] Figure 1

Description

  The present invention relates to a multi-terminal connector in which a circuit pattern is directly formed on a connector housing in a connector having a large number of terminals.

FIG. 9 is an exploded perspective view showing a conventional PC card adapter 23 (Patent Document 1).
The PC card adapter 23 is configured by electrically and mechanically connecting the connector 10 on the shell 11.
The connector 10 is formed in a U shape with a base portion 21 and side portions 22 on both sides thereof, and a plurality of connection pins 12 are press-fitted and fixed to the base portion 21.
The shell 11 is obtained by bonding PCB boards 14 to the upper and lower surfaces of the base 15, and a storage space 16 for storing a PC card is formed between the upper and lower PCB boards 14. . The two PCB boards 14 are provided with an electric circuit and a plurality of slits 18 are formed therethrough. One end of each of the many contacts 17 is connected to the electric circuit, and the other end passes through the slit 18. Projecting into the storage space 16. Connection pins 19 are provided on both sides of the shell 11 to connect to the electrical circuit of the PCB board 14 and to connect between the electrical circuits of the upper and lower PCB boards 14.

In such a configuration, the insertion pin 13 formed on the side portion 22 of the connector 10 is fitted into the insertion slot 20 on the upper surface of the shell 11, and one end portion of the connection pin 12 of the connector 10 is soldered to the electric circuit of the PCB board 14. And connect.
Utility model registration No. 3094263

Problems to be solved in the conventional PC card adapter 23 as shown in FIG. 9 are as follows.
(1) Since the connection pins 12 that are press-fitted and fixed to the base portion 21 of the connector 10 are connected to the electric circuit of the PCB board 14 that is separate from the connector 10, the shape of the connection pins 12 on the connector 10 side and the PCB board 14 Both of the electrical circuits on the side are subject to restrictions, and in particular, many restrictions are imposed on the mounting positions of components on the PCB board 14 side and the routing of circuit parts.
(2) A PCB board 14 is used as a part of the housing constituting the shell 11, and the connection pins 12 of the connector 10 are soldered and fixed to the electrical circuit of the PCB board 14, and the relay terminal is further connected to the shell 11. As a result, the number of parts increases, the number of work processes increases, and the assembly takes time.
(3) In order to connect the connector 10 to the shell 11, only the connection pins 12 provided on the connector 10 are interposed. Therefore, the connector 10 has a large number of different connection pins 12 such as the upper surface, the side surface, and the lower surface depending on the purpose of use. If it is, it is extremely difficult to lay out the position of the connection point of the shell body 11 with the electric circuit of the PCB board 14, or the housing of the connector 10 needs to be enlarged in some cases.

  It is an object of the present invention to provide a multi-terminal connector with a high degree of freedom in the mounting position of components and the routing of circuit parts, without both the connector-side connection pins and the circuit board-side electric circuit being restricted. To do.

The present invention provides a multi-terminal connector having a connector and a circuit board, wherein a plurality of contacts provided on the connector are connected to the circuit pattern on the circuit board via a circuit pattern formed on the housing of the connector. It is a terminal connector.
The circuit pattern of the connector is formed in a three-dimensional shape on at least two continuous surfaces of the housing upper surface, housing side surface, and housing lower surface.
Further, the plurality of contacts of the connector are formed of, for example, a conductive metal plate, and these contacts are connected to one end of a circuit pattern formed on the connector housing, and the other end of the circuit pattern of the connector is connected to the connector. A multi-terminal connector connected to the circuit pattern of the circuit board.

  According to the first aspect of the present invention, the plurality of contacts provided on the connector are connected to the circuit pattern on the circuit board via the circuit pattern formed on the housing of the connector. It is connected to the circuit pattern formed in the first and second embodiments, and is not restricted by the shape of the contact and the circuit pattern. In particular, the attachment position of the contact and the degree of freedom of the circuit pattern routing are high and easy.

  According to the second aspect of the present invention, the circuit pattern of the connector is formed in a three-dimensional shape on at least two continuous surfaces of the housing upper surface, the housing side surface, and the housing lower surface of the connector. The position and layout are extremely simple, and the connector housing can be miniaturized.

  According to the third aspect of the present invention, the plurality of contacts formed of the conductive metal plate are connected to one end of the circuit pattern formed on the connector housing, and the other end of the circuit pattern of the connector is connected to the circuit board. Since it is connected to the circuit pattern, the connection between the contact of the conductive metal plate and the circuit pattern of the connector housing and the connection of the circuit pattern of the connector and the circuit pattern of the circuit board are not only connected by solder, but also conductive adhesive, etc. Can also be connected to the parts with low heat resistance. In addition, the contact structure can be simplified, and the mold cost can be reduced. Furthermore, when the contacts are embedded and fixed in the housing as in the past, if the thickness of the housing is reduced to reduce the pitch, the strength of the resin such as cracking when the terminal is inserted or housing molding There are problems such as poor resin surroundings, and there is a limit to narrowing the pitch, but by connecting with the circuit pattern of the connector, the distance between the contacts is made as short as possible (narrow pitch) be able to.

  According to the fourth aspect of the present invention, the plurality of contacts of the connector are formed by extending one end of the circuit pattern formed on the connector housing, and the other end of the circuit pattern of the connector is formed on the circuit board. Because it is connected to the circuit pattern, the pitch of the contacts in the connector can be reduced to a fraction of the conventional one, and it is extremely effective for multi-terminal connectors that are more compact, such as PC card adapters. .

  According to the fifth aspect of the present invention, the plurality of contacts of the connector are formed by extending one end of the circuit pattern in the connector housing to the elastic portion formed in the connector housing. The contact force of the connector can be obtained without using it.

  According to a sixth aspect of the present invention, the connector and the circuit board are separate, and the connector includes a first contact and a second contact formed of a conductive metal plate, and the first contact is provided. The one end side is inserted and fixed to the insertion port of the connector, the second contact is connected to one end portion of the circuit pattern of the connector, and the other end portion of the first contact and the second contact are connected to each other. Since the other end of the circuit pattern of the connected connector is connected to each circuit pattern of the circuit board, the number of parts is reduced, the work process is simplified, and assembly can be performed in a short time.

  According to a seventh aspect of the present invention, the connector and the circuit board are formed separately, and the connector includes a first contact and a second contact, and the first contact is a circuit formed on the connector. One end of the pattern is extended, and the second contact is formed of a conductive metal plate, the second contact is connected to one end of the circuit pattern of the connector, and the first contact is Since the other end portion of the formed circuit pattern and the other end portion of the circuit pattern to which the second contact is connected are connected to the respective circuit patterns on the circuit board, it is possible to obtain substantially the same operational effects as described above. In particular, it is preferable that the first contact can be formed as a circuit pattern when the connection terminal of the first insertion body uses a bent conductive metal plate.

  According to the eighth aspect of the present invention, the connector and the circuit board are integrally formed, and the connector has the first contact and the second contact, and the first contact is press-fitted and fixed to the insertion port of the connector. The second contact is formed by connecting the connector circuit pattern and the circuit board circuit pattern in a continuous pattern by soldering to one end of the connector circuit pattern. The process of connecting the circuit pattern of the connector and the circuit pattern of the circuit board can be omitted, and the manufacturing process becomes more efficient. In particular, since the connector and the circuit board are integrated, the other end can increase the mechanical strength of the connector and save space.

  According to the ninth aspect of the present invention, the connector and the circuit board are formed as a single body, and the connector has the first contact and the second contact, and the first contact is formed on the connector by a pattern, The contact 2 is soldered to one end of the circuit pattern of the connector, and the circuit pattern of the connector and the circuit pattern of the circuit board are formed to be a continuous pattern. All the circuit patterns of the contacts and the circuit board can be constituted by circuit patterns, and the assembly process can be omitted as much as possible. Similarly to the above, the connector and the circuit board are integrated, so that the other end can increase the mechanical strength of the connector and save space.

A connector-side circuit pattern 41 having a three-dimensional shape is formed on the housing constituting the connector 30 such as an upper surface and a side surface, a side surface and a lower surface, and an upper surface, a side surface, and a lower surface. The circuit pattern 41 is configured using a conductive coating agent or an adhesive metal paste. One end of the first contact 37 provided on the connector 30 may be connected to the circuit pattern 46 of the circuit board 31 as usual, and the other second contact 38 provided on the connector 30 If one end is connected to the circuit pattern 41, the other end of the circuit pattern 41 can be connected to the circuit pattern 46 on the circuit board 31, so that the circuit of the circuit pattern 46 on the circuit board 31 can be easily routed.
Further, the first contact 37 may be based on a circuit pattern 41 formed on the connector 30. Furthermore, the connector 30 and the circuit board 31 are not separated and can also be comprised with the same thing.

A first embodiment of a multi-terminal connector according to the present invention will be described with reference to FIGS.
In the first embodiment, the connector 30 and the circuit board 31 are separated from each other, and a circuit pattern 41 and a circuit pattern 46 are formed on the connector 30 and the circuit board 31, respectively. And a second contact 38 connected to the circuit pattern 41 of the connector 30.

More specifically, as shown in FIG. 2 and FIG. 3, the insulating connector housing 32 constituting the connector 30 is a first insertion having a narrow width, a large thickness, and a long length as viewed from the front side. The first insertion port 35 for inserting the body 33 and the second insertion port 36 for inserting the second insertion body 34 having a large width, a small thickness, and a short length share the central space. Is formed. A plurality of insertion holes 39 are formed in the back side housing side surface 44 of the connector housing 32, and a plurality of slits 40 are formed in the housing upper surface 43.
The first insert 33 and the second insert 34 may be, for example, a plurality of types of IC cards having different widths, thicknesses, and lengths, or plugs.
Further, circuit patterns 41 are formed on the housing upper surface 43 of the connector housing 32 so as to be continuous with the slits 40 of the housing upper surface 43. For the circuit pattern 41, a conductive coating agent or an adhesive metal paste is used.

The circuit pattern 41 has lands 42 facing the respective slits 40, and a connection terminal portion 38 b of a second contact 38 formed by bending a conductive metal plate is soldered on the land 42. The movable contact piece 38 a that is connected and fixed at the reverse side and protrudes to the inside of the connector housing 32 through the slit 40. The other end of the circuit pattern 41 is formed in a three-dimensional shape from the housing upper surface 43 to the housing lower surface 45 through the housing side surface 44 on the back side.
A first contact 37 formed by bending a conductive metal plate is press-fitted into the insertion port 39, and the movable contact piece 37a protrudes to the inside of the connector housing 32. The connection terminal portion 37b is bent in a crank shape. Is faced to the land 42 of the circuit pattern 46 formed on the upper surface of the circuit board 31 and connected and fixed with solder, conductive adhesive or the like. The other circuit pattern 46 of the circuit board 31 is connected and fixed to the circuit pattern 41 extending to the housing lower surface 45 of the connector housing 32 with solder, a conductive adhesive or the like.

The connector 30 configured as described above is placed on the circuit board 31, the circuit pattern 41 and the circuit pattern 46 are matched, and the connection terminal portion 37b is placed on the land 42 of the circuit pattern 46, and solder, conductive bonding A multi-terminal connector is formed by connecting and fixing with an agent or the like.
When the first insertion body 33 is inserted into the first insertion port 35 of the multi-terminal connector, the connection terminal 47 of the first insertion body 33 is connected to the movable contact piece 37 a of the first contact 37.
Further, when the first insertion body 33 is extracted and the second insertion body 34 is inserted into the second insertion port 36, the connection terminal 47 of the second insertion body 34 becomes the movable contact piece 38 a of the second contact 38. Connected to.
Note that the first contact 37, the second contact 38, and the like are shown in two rows on the drawing. However, for convenience of drawing, the number of rows in the illustrated example is 8 rows or 10 rows or more. Of course, it is not limited.

By configuring as described above, the following operational effects are obtained.
(1) Since the second contact 38 of the connector 30 is connected to the circuit pattern 41 formed on the connector housing 32 of the connector 30, the second contact 38 is restricted by the shape of the second contact 38 and the circuit pattern 41. In particular, the attachment position of the second contact 38 and the degree of freedom in routing the circuit pattern 41 are high and easy.
(2) The circuit pattern 41 is formed on the connector housing 32 constituting the connector 30, and the second contact 38 is soldered and fixed to the circuit pattern 41, and the circuit pattern 41 is connected to the circuit pattern 46 of the circuit board 31. Since the number of parts is reduced, the work process is simplified and assembly can be performed in a short time.
(3) Since the circuit pattern 41 is formed on the connector housing 32 of the connector 30 on different surfaces such as the housing upper surface 43, the housing side surface 44, the housing lower surface 45, and combinations thereof depending on the purpose of use, The layout becomes extremely simple, and the connector housing 32 can be miniaturized.

A second embodiment of the multi-terminal connector according to the present invention will be described with reference to FIGS.
In the second embodiment, the connector 30 and the circuit board 31 are separated from each other, and the circuit pattern 41 and the circuit pattern 46 are formed on the connector 30 and the circuit board 31, respectively. And a second contact 38 connected to the circuit pattern 41.

More specifically, in the first embodiment, the first contact 37 is formed by bending a conductive metal plate.
On the other hand, in the second embodiment, a part of the bottom plate at the back of the space of the connector housing 32 is partially bulged, and the first contact 37 is formed in this portion using a conductive coating agent or an adhesive metal paste. To do. The end of the first contact 37 on the side of the insertion port 39 is a circuit pattern 41 continuous from the housing side surface 44 to the housing lower surface 45.
Along with the formation of the first contact 37 using a conductive coating agent or a metal paste that can be bonded, the first insert 33 has a connection terminal 47 formed by bending a conductive metal plate. It is desirable that

  In the example shown in FIG. 6A, the first contact 37 has a portion of the bottom plate at the back of the space of the connector housing 32 that swells flat, and a conductive coating agent or a metal that can be bonded to this portion. Although formed using paste, by forming a gap 49 below the bulging portion, an elastic portion 48 is formed, and a tapered portion 50 is formed on the top surface of the tip, and a conductive coating agent or the like is formed thereon. The first contact 37 can be formed using an adhesive metal paste. With such a configuration, the first insert 33 is not formed by bending the conductive metal plate in the connection terminal 47 as shown in FIG. 7A, but as shown in FIG. The connecting terminal 47 can be formed using a conductive coating agent or an adhesive metal paste.

  The connection between the connector 30 configured as described above and the circuit board 31 is not different from the first embodiment. Further, in the second embodiment, substantially the same operational effects as in the first embodiment can be obtained, and the connection terminal 47 of the first insert 33 is formed by bending a conductive metal plate. The first contact 37 can be preferably formed as a circuit pattern.

A third embodiment of the multi-terminal connector according to the present invention will be described with reference to FIG.
In the third embodiment, the connector 30 and the circuit board 31 are integrated, and the circuit pattern 41 and the circuit pattern 46 are formed on the connector 30 and the circuit board 31, respectively. The connector 30 is formed by the circuit pattern 41. The first contact 37 and the second contact 38 connected to the circuit pattern 41 are provided.
In the third embodiment, since the circuit pattern 41 on the housing side surface 44 of the connector 30 and the circuit pattern 46 on the circuit board 31 are continuous, it goes without saying that the connector housing 32 does not have the housing lower surface 45 but the housing lower surface 45. The circuit pattern 41 is not formed.

The third embodiment has a configuration in which the connector 30 shown in the second embodiment is integrated with the circuit board 31, but is not limited to this example, and the connector 30 shown in the first embodiment is integrated with the circuit board 31. It can also be set as the structure.
In FIG. 8, the first contact 37 is formed with an elastic portion 48 in the bottom plate portion at the back of the space of the connector housing 32 to form the first contact 37, as in FIG. 6A. be able to.

  In addition to the first and second embodiments, the function and effect of the third embodiment can omit the step of connecting the circuit pattern 41 of the connector 30 and the circuit pattern 46 of the circuit board 31, and the manufacturing process becomes more efficient. .

It is a disassembled perspective view which shows Example 1 of the multi-terminal connector by this invention. It is a front view of the connector 30 in FIG. It is a longitudinal cross-sectional view of the multi-terminal connector in FIG. (A) is a partially cutaway side view of the first insert 33 inserted into the multi-terminal connector of the first embodiment, and (b) is a second view inserted into the multi-terminal connector of the first embodiment. 4 is a side view of the insert 34. FIG. It is a disassembled perspective view which shows Example 2 of the multi-terminal connector by this invention. (A) is a longitudinal cross-sectional view of the multi-terminal connector in FIG. 5, (b) is a longitudinal cross-sectional view which shows a different example. (A) is a partially cutaway side view of the first insert 33 inserted into the multi-terminal connector of the second embodiment, and (b) is a second view inserted into the multi-terminal connector of the second embodiment. 4 is a side view of the insert 34. FIG. It is a longitudinal cross-sectional view which shows Example 3 of the multi-terminal connector by this invention. It is a disassembled perspective view which shows the conventional multi-terminal connector.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Connector, 11 ... Shell, 12 ... Connection pin, 13 ... Insertion pin, 14 ... PCB board, 15 ... Base, 16 ... Storage space, 17 ... Contact, 18 ... Slit, 19 ... Connection pin, 20 ... Insertion slot, 21 ... base, 22 ... side, 23 ... PC card adapter, 30 ... connector, 31 ... circuit board, 32 ... connector housing, 33 ... first insert, 34 ... second insert, 35 ... first 1 insertion slot, 36 ... second insertion slot, 37 ... first contact, 38 ... second contact, 39 ... insertion slot, 40 ... slit, 41 ... circuit pattern, 42 ... land, 43 ... upper surface of housing, 44 ... Housing side surface, 45 ... Housing lower surface, 46 ... Circuit pattern, 47 ... Connection terminal, 48 ... Elastic part, 49 ... Air gap, 50 ... Tapered part.

Claims (9)

  A multi-terminal connector comprising a connector and a circuit board, wherein a plurality of contacts provided on the connector are connected to a circuit pattern on the circuit board via a circuit pattern formed on a housing of the connector. Multi-terminal connector.   The multi-terminal connector according to claim 1, wherein the circuit pattern of the connector is formed in a three-dimensional shape on at least two continuous surfaces of the housing upper surface, housing side surface, and housing lower surface of the connector.   In a multi-terminal connector comprising a connector and a circuit board, a plurality of contacts of the connector are formed of a conductive metal plate, and these contacts are connected to one end of a circuit pattern formed on the connector housing. A multi-terminal connector, wherein the other end of the circuit pattern of the connector is connected to the circuit pattern of the circuit board.   In a multi-terminal connector comprising a connector and a circuit board, a plurality of contacts of the connector are formed by extending one end of a circuit pattern formed on the connector housing, and the other end of the circuit pattern of the connector is formed. A multi-terminal connector connected to a circuit pattern of the circuit board.   5. The multi-terminal connector according to claim 4, wherein the plurality of contacts of the connector are formed by extending one end of a circuit pattern in the connector housing to an elastic portion formed in the connector housing.   The connector and the circuit board are separately provided, and the connector includes a first contact and a second contact formed by a conductive metal plate, and the first contact has one end side of the connector insertion port. The second contact is connected to one end of the circuit pattern of the connector, the other end of the first contact, and the other end of the circuit pattern of the connector to which the second contact is connected The multi-terminal connector according to claim 1, wherein each is connected to each circuit pattern of the circuit board.   The connector and the circuit board are separate bodies, and the connector includes a first contact and a second contact, and the first contact is formed by extending one end of a circuit pattern formed on the connector. The second contact is formed of a conductive metal plate, the second contact is connected to one end of the circuit pattern of the connector, and the other end of the circuit pattern forming the first contact; The multi-terminal connector according to claim 1 or 2, wherein the other end portion of the circuit pattern to which the second contact is connected is connected to each circuit pattern of the circuit board.   The connector and the circuit board are integrally formed, and the connector includes a first contact and a second contact formed of a conductive metal plate, and the first contact has one end side of the connector insertion port. The second contact is connected to one end of the circuit pattern of the connector, the other end of the first contact is connected to the circuit pattern of the circuit board, and the second contact is connected 3. The multi-terminal connector according to claim 1, wherein the other end portion of the circuit pattern of the connector is formed so as to be a pattern continuous with the circuit pattern of the circuit board.   The connector and the circuit board are integrated, and the connector includes a first contact and a second contact, and the first contact is formed by extending one end of a circuit pattern formed on the connector. The second contact is formed of a conductive metal plate, the second contact is connected to one end of the circuit pattern of the connector, and the other end of the circuit pattern forming the first contact; 3. The multi-terminal connector according to claim 1, wherein the other end portion of the circuit pattern to which the second contact is connected is formed to be a pattern continuous with each circuit pattern of the circuit board.

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