JP2013214376A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector capable of certainly obtaining a guarding effect to a terminal member, by a simple structure.SOLUTION: A connector 1 includes a base plate 6, and a plurality of first terminal members 7. On a plate body 11 of the base plate 6, a plurality of through-hole portions 12 formed so as to be disposed in a generally matrix shape is provided. The through-hole portions 12 are terminal holding holes 12A in which the first terminal members 7 are inserted to be held, or vacant holes 12B in which the first terminal members 7 are not inserted. Each through-hole portion 12 is provided with a coated conductor 13 so as to coat an inner peripheral surface thereof. On the plate body 11, a wiring portion is provided, which connects the coated conductors 13 provided on the inner peripheral surfaces of the through-hole portions 12 which are the vacant holes 12B to predetermined electric connecting portions. Setting of the terminal holding holes 12A or the vacant holes 12B to the plurality of the through-hole portions 12 is carried out so as to make the through hole portions 12 adjacent to the through-hole portions 12 which are the terminal holding holes 12A become the vacant holes 12B.

Description

  In the present invention, a plurality of pin-shaped first connection terminals are connected to one side, and a plurality of second connection terminals are connected to the other side, between the first connection terminal and the second connection terminal. It is related with the connector which relays.

  As a prior art of this invention, the connector of patent document 1 is mentioned, for example. In the connector described in Patent Document 1, a plurality of substantially rod-shaped terminal members each having a cylinder main body (2) and a contact (3) are disposed on a holding body (11) (paragraph [0011] ]-[0013], [0020], FIG. 1-3, etc.). In the connector described in Patent Document 1, the configuration of the terminal member is devised to reduce the arrangement pitch of the terminal member.

JP 2008-98090 A

  However, in the connector described in Patent Document 1, guarding between terminal members disposed in the connector is not considered, and current leakage between adjacent terminal members or mutual interference through an electromagnetic field or the like is not considered. Problems may arise. In addition, when providing the structure for guarding in the baseplate which is a holding body (11) holding a terminal member, it is necessary to implement | achieve it, without complicating the structure of a baseplate.

  Further, with respect to the configuration of the terminal member described in Patent Document 1, simplification of the configuration, such as reduction in the number of parts, is desired.

  Accordingly, a first problem to be solved by the present invention is to provide a connector that can reliably obtain a guarding effect on a terminal member with a simple configuration.

  A second problem to be solved by the present invention is to provide a connector having a more simplified terminal member.

  In order to solve the above problems, in the first aspect of the present invention, a plurality of pin-shaped first connection terminals are connected to one side, and a plurality of second connection terminals are connected to the other side, 1 is a connector that relays between one connection terminal and the second connection terminal, and has a base plate and an elongated shape, and is arranged in a substantially matrix shape on the base plate, and is inserted into one end of the base plate. A first connection portion that is externally fitted to the pin-shaped first connection terminal and connected to the first connection terminal is provided, and is connected to the second connection terminal at the other side end portion. A plurality of terminal members provided with a second connection portion, wherein the base plate is disposed on the plate body so as to be arranged in a substantially matrix shape, and a plate body having a substantially plate shape formed of an insulating material. Formed and the terminal member is inserted A plurality of through-hole portions which are terminal holding holes to be held or holes into which the terminal members are not inserted, a covered conductor provided so as to cover an inner peripheral surface of each through-hole portion, and the plate body A plurality of wiring portions for connecting the coated conductors provided on the inner peripheral surface of the through-hole portions, which are provided as the holes, to predetermined electrical connection portions provided on the base plate, The terminal holding hole or the hole is set to the through hole portion so that the through hole portion adjacent to the through hole portion serving as the terminal holding hole becomes the hole.

  Further, in the second aspect of the present invention, in the connector according to the first aspect, the plate body of the base plate is constituted by a plurality of stacked substrates, and the through-hole portion and the covered conductor are Each wiring board is constituted by a through pattern provided on each substrate, and the wiring portion is constituted by a wiring pattern provided on at least one of the plurality of substrates.

  According to a third aspect of the present invention, in the connector according to the first or second aspect, the terminal member is formed of a conductive material and has an elongated cylindrical shape, and has an end on one side thereof. A cylindrical portion provided with the first connection portion that is externally fitted to the pin-shaped first connection terminal to be inserted and connected to the first connection terminal; A plunger having one side thereof inserted in an axially slidable state from the other side of the cylindrical portion into the cylindrical portion, and the second connecting portion provided at the other side end, A compression spring that is inserted into and held in the cylindrical portion and biases one end of the plunger toward the other side.

  According to the connector according to the first aspect of the present invention, among the plurality of through-hole portions provided in the base plate in a substantially matrix shape, the through-hole portion adjacent to the through-hole portion into which the terminal member is inserted is a hole. Is set. A covered conductor is provided on the inner peripheral surface of the hole, and a wiring portion for connecting the covered conductor provided in the hole to a predetermined electrical connection portion is provided. For this reason, the coated conductor provided on the inner peripheral surface of the hole can be used as guarding for each terminal member, and thereby, leakage of current between adjacent terminal members, or mutual interference via an electromagnetic field or the like. Etc. can be effectively suppressed.

  Moreover, since it is the structure which utilizes the hole by which the terminal member of the through-hole part provided in the baseplate is not inserted for guarding, complication of the structure of the baseplate etc. accompanying guarding provision can also be suppressed. As a result, it is possible to provide a connector that can reliably obtain a guarding effect on the terminal member with a simple configuration.

  According to the connector according to the second aspect of the present invention, the plate body of the base plate is configured by a plurality of stacked substrates, and the through-hole portion and the coated conductor provided on the inner peripheral surface thereof are provided on each substrate. The wiring portion that is configured by the through hole and that connects the coated conductor provided in the through hole portion that is a hole to a predetermined electrical connection portion is formed by a wiring pattern provided on at least one of the plurality of substrates. Composed. Therefore, the base plate according to the present invention can be manufactured at low cost by using the manufacturing technique of the wiring board.

  According to the connector according to the third aspect of the present invention, since the terminal member is constituted by substantially three parts, the cylindrical part, the plunger, and the compression spring, the number of parts of the terminal member can be reduced and the structure can be simplified. I can plan.

It is a side view which shows the connector which concerns on one Embodiment of this invention, and the 1st and 2nd connection object connected to the connector. It is a top view which shows the structure of the part provided with the 1st terminal member for relay connection when it sees from the side where the 2nd connection object of the connector of FIG. 1 is connected. It is a top view which shows the structure of the part provided with the 2nd terminal member for guarding connection when it sees from the side where the 2nd connection object of the connector of FIG. 1 is connected. It is sectional drawing which shows the structure of the part in which the through-hole part of the connector of FIG. 1 was provided. It is sectional drawing which shows the structure of the terminal member with which the connector of FIG. 1 is equipped.

  A connector according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the connector 1 has a first connection object 2 connected to one side thereof, a second connection object 3 connected to the other side, and the first connection object 2 and the second connection object 2. It relays with the connection object 3 of.

  The connector 1 can be used for various purposes. As a specific example of the use of the connector 1, for example, between each electrode portion to which each probe of an inspection jig in a substrate inspection apparatus for inspecting electrical characteristics of a wiring pattern provided on the substrate is connected and the connection switching unit It is used for the electrical connection part provided in. More specifically, for example, the first connection target 2 in FIG. 1 is a connection switching unit, and the second connection target 3 is connected to each electrode portion of the inspection jig via the conductive member 4. It is a connector. The connection switching unit is for switching the electrical connection relationship between the probe of the inspection jig and the inspection unit including the power supply unit, voltage detection unit, and current detection unit for inspection of the inspection apparatus body. .

  In the present embodiment, the connection switching unit that is the first connection object 2 includes a plurality of substrate units 21 each having a plurality of switching elements, and is projected in a pin shape at one end of each substrate unit 21. A plurality of first connection terminals 22 are provided at a predetermined pitch. In addition, pin-shaped second connection terminals 31 (see FIG. 5) are provided in a plurality of terminal receiving holes (not shown) provided in the connector that is the second connection object 3.

  As shown in FIGS. 1 to 4, the connector 1 includes a base plate 6, a plurality of first terminal members 7 for relay connection, and a plurality of second terminal members 8 for guarding connection. .

  As shown in FIGS. 2 to 4, the base plate 6 includes a plate body 11, a through-hole portion 12, a covered conductor 13, a wiring portion 14, and an electrical connection portion 15 for guarding connection. The plate main body 11 has a substantially plate shape formed of an insulating material (for example, resin). In the present embodiment, a plurality of (for example, three) bonded in a laminated state by a bonding means such as an adhesive. It is comprised by the board | substrate 111 of this.

  The through-hole portion 12 is formed in the plate body 11 so as to be arranged in a substantially matrix shape, and the terminal holding hole 12A in which the first terminal member 7 is inserted and held, or the first terminal member 7 is not inserted. Used as holes 12B. The terminal holding hole 12A or the hole 12B is set to the through hole part 12 so that the through hole part 12 adjacent to the through hole part 12 to be the terminal holding hole 12A becomes the hole 12B. For example, in the present embodiment, of the eight through-hole portions 12 surrounding the through-hole portion 12 that is the terminal holding hole 12A, the four adjacent holes on both the upper and lower sides and the left and right sides of the through-hole portion 12 that is the terminal holding hole 12A. Two through-hole portions 12 are set as the holes 12B.

  The covered conductor 13 is formed so as to cover the inner peripheral surface of each through-hole portion 12 formed in the plate main body 11, and is constituted by a plated layer formed of a conductive metal such as copper, for example.

  The wiring portion 14 is provided in the plate main body 11 and connects the covered conductor 13 provided on the inner peripheral surface of the through-hole portion 12 which is the air hole 12 </ b> B to an electrical connection portion 15 described later provided in the plate main body 11. . In the present embodiment, the covered conductors 13 of the air holes 12B are provided in an oblique lattice shape so that the wiring portion 14 surrounds the terminal holding holes 12A.

  The electrical connection portion 15 is provided in the plate main body 11 and is used for inserting and connecting the second terminal member 8 for guarding connection. In the present embodiment, the through hole portion 12 in the plate main body 11 is provided. At least one (in this embodiment, a plurality) is provided outside the region arranged in a matrix. More specifically, the electrical connection portion 15 includes a through-hole portion provided in the plate body 11 and a covered conductor provided on the inner peripheral surface of the through-hole portion, and the inserted second terminal While holding the member 8, it is electrically connected to the second terminal member 8.

  More specifically, in the present embodiment, the through-hole portion 12 and the covered conductor 13 are configured by through holes 112 provided in each of the stacked substrates 111. Similarly, the electrical connection portion 15 is also configured by through holes 112 provided in each substrate 111. Note that the through-holes 112 provided in each substrate 111 are formed between the plurality of stacked substrates 111 by contacting the openings of the through-holes 112 of the adjacent substrates 111 when the substrates 111 are stacked. It is designed to conduct. Moreover, the wiring part 14 is comprised by the wiring pattern provided in at least any one board | substrate 111 of the several laminated | stacked board | substrate.

  As shown in FIG. 5, the first terminal member 7 includes a cylindrical portion 71, a plunger 72, and a compression spring 73. The cylinder portion 71 is formed of a conductive material such as a conductive metal and has an elongated cylindrical shape. A first connection portion 711 is provided at one end of the cylinder portion 71. When the pin-shaped first connection terminal 22 of the first connection object 2 is inserted into the first connection part 711, the first connection part 711 is externally fitted to the first connection terminal 22 and is electrically connected. Connected. In addition, one or a plurality (in this embodiment, a plurality) of conductive sliding contact pieces 712 that are in sliding contact with the side surface of the inserted first connection terminal 22 are provided on the inner peripheral surface of the first connection portion 711. ing.

  A partition wall-shaped stopper 713 for preventing a compression spring 73, which will be described later, is provided inside the cylinder 71. In addition, the cylindrical portion 71 is provided with a roll caulking portion 714 that is partially reduced in diameter and engages with an engaging portion 723 provided on one side of a plunger 72 described later to prevent the plunger 72 from coming off. Yes. Further, when the first terminal member 7 is inserted (press-fitted) into the through-hole portion 12 of the plate body 11, the inner peripheral surface of the through-hole portion 12 is pressed radially outward on the cylindrical portion 71. A press-fitting ring 715 having a partially enlarged diameter for preventing the first terminal member 7 from coming off is provided.

  The plunger 72 is formed of a conductive material such as a conductive metal and has a shape of a long and narrow bar. One portion of the plunger 72 extends axially from the other side of the cylindrical portion 71 into the cylindrical portion 71 (arrow A2 in FIG. 5). It is inserted in a slidable state in the direction indicated by. A second connection portion 721 to which the pin-shaped second connection terminal 31 of the second connection object 3 is electrically connected is provided at the other end portion of the plunger 72, and the tip of the second connection portion 721 is provided. Is provided with a recess 722 into which the tip of the second connection terminal 31 is fitted when the second connection terminal 31 is connected. As a modification, the recess 722 may be provided at the tip of the second connection terminal 31 instead of being provided at the tip of the second connection portion 721. In addition, an engaging portion 723 that engages with the roll caulking portion 714 of the cylindrical portion 71 is provided on one side portion of the plunger 72 that is inserted into the cylindrical portion 71 to prevent the plunger 72 from coming off.

  Between the stopper portion 713 in the cylindrical portion 71 and one end portion of the plunger 72, it is inserted and held in an axially compressed state, and the one end portion of the plunger 72 is held on the other side (the plunger 72 is Urging in the direction of pushing the tube portion 71 outward.

  For this reason, when the second connection terminal 31 is connected to the second connection portion 721 of the plunger 72, the plunger 72 is pushed into the cylindrical portion 71 against the urging force of the compression spring 73 due to the load at the time of connection. . At this time, since the second connection portion 712 is pressed against the second connection terminal 31 by the urging force of the compression spring 73, a stable connection state between the second connection portion 721 and the second connection terminal 31 is obtained. It is like that.

  The 1st connection terminal 7 comprised in this way is inserted in the through-hole part 12 set to 12 A of terminal holding holes among the several through-hole parts 12 provided in the plate main body 11 in the way mentioned above ( Press fit) and fixed.

  The second terminal member 8 may have various configurations, but may have a configuration similar to that of the first connection terminal 7, for example. The second terminal member 8 is also inserted (press-fitted) into an electrical connection portion 15 having a hole structure provided in the plate body 11 to be fixed and electrically connected.

  The connection between the connector 1 configured in this way and the first connection object 2 is performed by connecting each first connection terminal 22 of the first connection object 2 to the first terminal member 7 corresponding to the connector 1. This is done by inserting it into the connecting portion 711. Further, the connection between the connector 1 and the second connection object 3 is performed by inserting the second connection portion 721 of each first terminal member 7 of the connector 1 into the corresponding terminal accommodating hole of the second connection object 3. This is done by fitting the tip of the second connection terminal 31 in the terminal accommodation hole into the recess 722 of the second connection portion 721. As a result, the first connection terminal 22 of the first connection target 2 and the second connection terminal 31 of the second connection target 3 are electrically connected via the first terminal member 7 of the connector 1. The

  The second terminal member 8 of the connector 1 is connected to a connector for guarding connection or the like, and the second connection terminal 8 is connected to a ground potential or the like via the connector or the like. Thus, the covered conductor 13 provided in the hole 12B provided with the base plate 6 is connected to the ground potential or the like via the wiring portion 14, the electrical connection portion 15, the second terminal member 8, the connector, and the like. .

  Thus, according to the connector 1 according to the present embodiment, the inside of the air holes 12B provided around the first terminal members 7 arranged in a matrix on the connector 1 (for example, both the upper and lower sides and the left and right sides). The covered conductor 13 can function as a guarding electrode, and current leakage between the adjacent first terminal members 7 or mutual interference through an electromagnetic field or the like can be effectively suppressed.

  Further, since the hole 12B in which the first terminal member 7 of the through hole portion 12 provided in the base plate 6 is not inserted is used for guarding, the structure of the base plate 6 and the like accompanying the provision of guarding is also complicated. Can be suppressed. As a result, the connector 1 can be provided in which the guarding effect on the first terminal member 7 can be reliably obtained with a simple configuration.

  The plate body 11 of the base plate 6 is composed of a plurality of stacked substrates 111, the through-hole portion 12 and the covered conductor 13 are composed of through-holes 112 provided in each substrate 111, and the wiring portion 14 is Since it is configured by a wiring pattern provided on at least one of the plurality of substrates 111, the base plate 6 according to the present embodiment can be manufactured at low cost by using the manufacturing technology of the wiring substrate.

  In addition, since the first terminal member 7 is configured by substantially three components, the cylindrical portion 71, the plunger 72, and the compression spring 73, the number of components of the first terminal member 7 can be reduced and the configuration can be simplified. .

  DESCRIPTION OF SYMBOLS 1 Connector, 2 1st connection object, 21 Board | substrate unit, 22 1st connection terminal, 3 2nd connection object, 31 2nd connection terminal, 4 Conductor, 6 Base plate, 7 1st terminal member, 8 1st 2 terminal members, 11 plate body, 111 substrate, 112 through hole, 12 through hole portion, 12A terminal holding hole, 12B hole, 13 coated conductor, 14 wiring portion, 15 electrical connection portion, 71 tube portion, 711 first Connection part, 712 Sliding contact piece, 713 Stopping part, 714 Roll caulking part, 715 Press-fit ring, 72 Plunger, 721 Second connection part, 722 Depression part, 723 Engagement part, 73 Compression spring.

Claims (3)

A plurality of pin-shaped first connection terminals are connected to one side, and a plurality of second connection terminals are connected to the other side, and relays between the first connection terminal and the second connection terminal. A connector,
A base plate;
It has an elongated shape and is arranged in a substantially matrix shape on the base plate, and is fitted to the pin-shaped first connection terminal to be inserted into one end of the base plate and connected to the first connection terminal. A plurality of terminal members provided with a second connection part connected to the second connection terminal at the other side end,
With
The base plate is
A plate body having a substantially plate shape formed of an insulating material;
A plurality of through-hole portions that are formed in the plate main body so as to be arranged in a substantially matrix shape and are held as the terminal member is inserted or held; or a hole into which the terminal member is not inserted;
A coated conductor provided so as to cover the inner peripheral surface of each through-hole portion;
A wiring portion that is provided in the plate main body and that connects the covered conductor provided on the inner peripheral surface of the through-hole portion that is the hole, to a predetermined electrical connection portion provided in the base plate;
With
The terminal holding holes or the holes are set for the plurality of through hole portions of the base plate so that the through hole portion adjacent to the through hole portion serving as the terminal holding hole becomes the hole. A connector characterized by that. The connector according to claim 1,
The plate body of the base plate is composed of a plurality of stacked substrates,
The through-hole portion and the covered conductor are constituted by through-holes provided in the respective substrates,
The said wiring part is comprised with the wiring pattern provided in at least any one board | substrate of these board | substrates. The connector according to claim 1 or 2,
The terminal member is
It is formed of a conductive material, has an elongated cylindrical shape, and is connected to the first connection terminal by being externally fitted to the pin-shaped first connection terminal to be inserted at one end thereof. A cylindrical portion provided with a first connecting portion;
It is formed of a conductive material and has an elongated and substantially rod-like shape, one side of which is inserted in the axially slidable state from the other side of the cylindrical part into the cylindrical part, and the second connection at the other side end A plunger provided with a section;
A compression spring that is inserted and held in the cylindrical portion and biases one end of the plunger toward the other side;
A connector comprising:

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