JP5038856B2 - Angle type coaxial connector - Google Patents

Description

  The present invention relates to an angle type coaxial connector in which a fitting direction with a mating connector and a connecting direction to a substrate are orthogonal to each other.

  As a conventional technique, a board mounting plug will be described with reference to a publication distributed before the present application (see, for example, Patent Document 1).

  FIG. 10 is a cross-sectional view of the board mounting plug 51.

  The board mounting plug 51 includes a metal tube 52 bent in an L shape, an insulator 53 accommodated in the metal tube 52, and a core wire 54 held by the insulator 53. .

  The metal pipe body 52 is provided with an attachment part (screw part or the like) 52b on the outer periphery of the connection part 52a at one end, a hexagonal collar part 52c formed integrally in the middle, and a ground terminal 52d at the other end. 52e is provided.

  The core wire 54 is provided with a core wire connecting portion 54a at one end and a core wire terminal 54b and a holding fitting 54c at the other end.

  The attachment portion 52 b of the metal tube 52 is inserted into the attachment hole 61 a of the chassis 61, and the collar portion 52 c and the nut 66 sandwich the chassis 61 and the washer 67.

  The ground terminal 52d and the barb 52e of the metal tube 52 and the core terminal 54b and the holding bracket 54c of the core wire 54 are inserted into the insertion hole 62a of the substrate 62, and the barb 52e and the holding bracket 54c are locked to the substrate 62. Is done.

  When the tip of the mating core wire (not shown) is inserted into the connecting portion 52a of the metal tube 52, the mating core wire is connected to a terminal (not shown) of the substrate 62 via the core wire 54.

Japanese Utility Model Publication No. 6-33378

  A method of attaching the substrate mounting plug 51 of the prior art to the substrate 62 is as follows.

  First, the attachment part 52b of the metal pipe body 52 bent in an L shape is inserted into the attachment hole 61a of the chassis 61 and fixed.

  Next, when the ground terminal 52d and the barb 52e of the metal tube 52 and the core terminal 54b and the holding bracket 54c of the core wire 54 are inserted into the insertion hole 62a of the board 62, the barb 52e and the holding bar 54c are connected to the board 62. It is locked to.

  Therefore, in the conventional technique, assembly is complicated, the number of processes is large, and then automatic mounting is impossible, and the assembly cost is high. In addition, it is impossible to cope with the case where the core wire 54 of the board mounting plug 51 does not align with the pad or signal line of the board 62 in position.

  Therefore, the present invention improves the drawbacks of the prior art, simplifies the assembly, reduces the number of processes, enables automatic mounting, and further reduces the assembly cost. In addition, the panel side unit And an angle-type coaxial connector that can absorb a shift in the connection position of the board-side unit.

  The present invention employs the following means in order to solve the above problems. In addition, the code | symbol of the member and site | part of an Example is written in a parenthesis next to a structure.

1. A fitting connection portion 5a connected to the mating connector at one end, a panel mounting portion 6 attached to the panel surface 11 at the middle portion, and a substrate 31 disposed at the other end in a direction perpendicular to the panel surface 11 In the angle type coaxial connector 1 having the board connection portion 25b to be mounted and connected,
The panel side unit 2 including the fitting connection portion 5a and the panel mounting portion 6 and the substrate side unit 22 including the substrate connection portion 25b are divided into two, the panel side unit 2 and the substrate side unit 22. An angle-type coaxial connector in which panel-side inter-unit connection portions 2a and board-side inter-unit connection portions 22a that can be connected to each other are provided on the divided surfaces.

2. The panel-side unit connection portion 2a includes a panel-side outer conductor 5 and a panel-side central conductor 3 disposed at the center of the panel-side outer conductor 5 via a first insulator 4.
The board-side inter-unit connection section 22a includes a board-side outer conductor 23 that opens in the coaxial direction and receives and contacts the panel-side outer conductor 5, and a second insulator in the opening 23a of the board-side outer conductor 23. A substrate-side central conductor 25 that is disposed via 24 and contacts the panel-side central conductor 3;
2. The angle-type coaxial connector according to claim 1, wherein the board-side outer conductor has an upper surface constituting a suction surface 23c of an automatic mounting machine and a lower surface constituting a board mounting connection surface 23d.

3. The board-side outer conductor 23 is sized to have a play in a direction orthogonal to the coaxial direction when the opening 23a is fitted to the panel-side outer conductor 5, and is formed in the opening 23a. A first contact spring piece 23b that protrudes and elastically contacts the peripheral surface of the panel-side outer conductor 5 from a direction orthogonal to the coaxial direction;
3. The angle-type coaxial connector according to 2, wherein the substrate-side center conductor 25 has a second contact spring piece 25a that protrudes into the opening 23a and elastically contacts the end surface of the panel-side center conductor 3 from the coaxial direction. .

4). The panel side central conductor 3 protrudes outward in the coaxial direction from one end of the panel side outer conductor 5;
The board-side outer conductor 23 is sized to have a play in a direction orthogonal to the coaxial direction when the opening 23a is fitted to the panel-side outer conductor 5, and is formed in the opening 23a. A first contact spring piece 23b that protrudes and elastically contacts the peripheral surface of the panel-side outer conductor 5 from a direction orthogonal to the coaxial direction;
The said board | substrate side center conductor 25 has the 3rd contact spring piece 25a which protrudes in the said opening 23a, and contacts elastically from the direction orthogonal to the said coaxial direction to the front-end | tip outer periphery of the said panel side center conductor 5. Angle type coaxial connector.

  As is apparent from the description of the specification, the present invention has the following effects.

  1. The panel-side unit connection section and board-side unit connection section that can be connected to each other are provided on the dividing surface of the panel-side unit and board-side unit, respectively, so assembly is simple, the number of processes is small, and assembly cost is low. It is.

  2. The board-side external conductor has an upper surface that constitutes the suction surface of the automatic mounting machine and a lower surface that constitutes the board mounting connection surface, so that automatic mounting is possible and convenient.

  3. The board-side outer conductor has a first contact spring piece that elastically contacts the peripheral surface of the panel-side outer conductor from a direction orthogonal to the coaxial direction, and the board-side center conductor is coaxial with the end face of the panel-side center conductor. Since it has the 2nd contact spring piece which contacts elastically from a direction, an angle type coaxial connector can perform floating of 3 axis directions.

  4). The board-side outer conductor has a first contact spring piece that elastically contacts the peripheral surface of the panel-side outer conductor from the direction orthogonal to the coaxial direction, and the board-side center conductor is on the outer periphery of the front end of the panel-side center conductor. Since it has the 3rd contact spring piece which contacts elastically from the direction which intersects perpendicularly with the coaxial direction, the angle type coaxial connector can perform floating of 3 axis directions.

  An angle type coaxial connector (hereinafter also referred to as “connector”) according to an embodiment of the present invention and two modifications thereof will be described.

  A first embodiment of the present invention will be described with reference to FIGS.

  FIG. 1A is a perspective view of a connector 1 (see FIGS. 3 to 5, etc.) of the first embodiment as viewed from the front side in a state where the panel side unit (interface side assembly) 2 is attached to the panel 11. (B) is the perspective view seen from the back side of the state before the panel side unit 2 is attached to the panel 11. FIG.

  The panel-side unit 2 includes a central conductor 3, an insulator 4 that surrounds and holds the central conductor 3, an external conductor 5 that surrounds the insulator 4, and a panel mounting portion 6 that is fixed around an intermediate portion of the external conductor 5. And is formed into a cylindrical shape.

  The panel attachment part 6 has a flange 6a, a screw 6b, and a nut 6c.

  One end of the panel side unit 2 becomes the inter-unit connection portion 2a, and one end of the external conductor 5 becomes the fitting connection portion 5a.

  A mounting hole 11a is formed in the center of the panel 11 as shown in FIG.

  A portion surrounded by a broken-line ellipse shown in FIG. 1A is an opening of the external interface.

  The method of attaching the panel side unit 2 to the panel 11 is as follows. When the panel side unit 2 is inserted into the mounting hole 11a of the panel 11 and the nut 6c is screwed into the screw 6b, the panel 11 is sandwiched between the flange 6a and the nut 6c. Therefore, the panel side unit 2 is fixed to the panel 11.

  2A is a perspective view of a state in which the board side unit (board side assembly) 22 of the connector 1 according to the first embodiment is attached to the board 31, and FIG. It is a perspective view of the state before being attached to.

  The board-side unit 22 is configured in a rectangular tube shape from an outer conductor 23, an insulator 24 held by the outer conductor 23, and a center conductor 25 (partially shown).

  The center conductor 25 (partially shown) has a contact spring piece 25a, an intermediate part (not shown), and a board connection terminal 25b. An intermediate portion of the center conductor is embedded and held in the insulator 24.

  One end of the board side unit 22 becomes the inter-unit connection portion 22a, and one end of the center conductor becomes the contact spring piece 25a.

  The outer conductor 23 is formed in a substantially rectangular parallelepiped shape, and has an opening 23a on the front surface, contact spring pieces 23b on both side surfaces, an adsorption surface 23c on the upper surface, and a board mounting connection surface 23d on the lower surface. The outer conductor 23 is formed in such a size as to have play in a direction orthogonal to the coaxial direction when the opening 23 a is fitted to the outer conductor 5.

  The substrate 31 is provided with signal lines 31a and substrate-side unit mounting pads 31b.

  A method of attaching the substrate side unit 22 to the substrate 31 is as follows. The suction surface 23c of the outer conductor 23 is sucked and held by the suction nozzle of the automatic mounting machine, and the outer conductor 23 is held at a predetermined position on the substrate 31 (in this example, the substrate mounting connection surface 23d of the outer conductor 23 is the substrate side unit of the substrate 31). The board connection terminal 25b of the central conductor is mounted on the mounting pad 31b at a position where the board connection terminal 25b of the central conductor comes on the signal line 31a of the board 31, and then mounted on the board 31 by reflow soldering.

  The connection method of the panel side unit 2 and the board | substrate side unit 22 is demonstrated with reference to FIG. 3 and FIG. 3A, 3B, and 3C are a perspective view, a horizontal cross-sectional view, and a vertical cross-sectional view, respectively, before the panel side unit 2 and the board side unit 22 are connected. 4A, 4B, and 4C are a perspective view, a horizontal cross-sectional view, and a vertical cross-sectional view, respectively, after the panel side unit 2 and the substrate side unit 22 are connected.

  Panel-side unit connection portions 2 a and board-side unit connection portions 22 a that can be connected to each other are provided on the divided surfaces of the panel-side unit 2 and the board-side unit 22.

  Before the panel side unit 2 and the board side unit 22 are connected, the panel side unit 2 is attached to the panel 11 in advance, and the board side unit 22 is mounted on the board 31. The connection state is maintained by fixing the substrate 31 close to the panel 11 in the direction of the arrow in FIG. At this time, due to the elastic force of both contact spring pieces 23b of the outer conductor 23, the left and right directions in FIG. 3B (X-axis direction in FIG. 6B) and the up and down directions (up and down directions) of the panel side unit 2 and the substrate side unit 22 A positional shift in the Y-axis direction in FIG. 6C can be absorbed. Further, the displacement L in the left-right direction (Z-axis direction) in FIG. 4C of the panel side unit 2 and the board side unit 22 can be absorbed by the elastic force of the contact spring piece 25a of the center conductor.

  FIG. 5 is an overall view of the connection state of the panel side unit 2 attached to the panel 11 and the board side unit 22 mounted on the board 31, wherein (A) is a front view and (B) is a cross section. Each figure is shown.

  6A to 6C are cross-sectional views taken along line AA in the arrow direction in FIG. (A) shows a state where the center of the panel side unit 2 is in the center of the substrate side unit 22, that is, a state where there is no displacement. (B) shows a state in which the contact spring piece 23b on the right side is compressed and the contact spring piece 23b on the left side is expanded in a state where the center of the panel side unit 2 is shifted to the right of the X axis from the center of the board side unit 22. Show. (C) shows a state in which the contact spring pieces 23b on both the left and right sides are opened upward in a tapered shape in a state where the center of the panel side unit 2 is shifted upward from the center of the substrate side unit 22 in the Y axis.

  7A to 7C are diagrams showing the operation of the contact spring piece 25a of the center conductor. FIG. 3A is a cross-sectional view of the entire connection state of the panel side unit 2 attached to the panel 11 and the board side unit 22 mounted on the board 31.

  (B) is an enlarged view in a circle B in (A) in the case of XY axis floating. Even if the axis deviation of the panel side unit 2 occurs, the contact spring piece 25a of the center conductor is elastically deformed from the position of the broken line to the position of the solid line and comes into contact with the one end 3a of the center conductor 3 of the panel side unit 2. Conductivity can be ensured.

  (C) is an enlarged view in a circle B in (A) in the case of Z-axis floating. By appropriately setting the contactable displacement amount of the contact spring piece 25a, it is possible to absorb the displacement of the panel side unit 2 in the Z-axis direction.

[Modification 1]
A first modification of the first embodiment of the present invention will be described with reference to FIG. (A) is a front view of the flange 41, and (B) is a cross-sectional view of a connection state between the panel side unit 2 attached to the panel 11 and the board side unit 22 mounted on the board 31.

  In the description of the first modification, the description of the same points as in the first embodiment will be omitted, and different points will be described.

  In the first modification, the structure for attaching the panel side unit 2 to the panel 11 is modified.

  A flange 41 is fixed to the panel 11 with four screws 42. The panel side unit 2 is attached to the flange 41. Fixing means other than the screw 42 may be employed.

  The opening portion of the external interface is circular in the first embodiment, but may be of any type. The opening portion of the external interface is sufficient if the connection portion with the board side unit 22 is the same. The thickness of the substrate 31 is not limited.

[Modification 2]
A second modification of the first embodiment of the present invention will be described with reference to FIG.

  In the description of the modification 2, the description of the same points as in the first embodiment will be omitted, and the differences will be described.

  FIG. 9 is a cross-sectional view of the connection state between the panel side unit 2 attached to the panel 11 and the board side unit 22 mounted on the board 31.

  In the second modification, the contact spring piece 25a of the center conductor is in contact with the outer periphery of the tip 3a of the center conductor 3 in the panel side unit 2.

BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view of the panel side unit (interface side assembly) and panel of the connector of Example 1 of this invention, and (A) is the perspective view seen from the front side of the state in which the panel side unit is attached to the panel , (B) shows a perspective view seen from the back side of the state before the panel side unit is attached to the panel, respectively. It is a perspective view of the board side unit (board side assembly) and board of the connector, (A) is a perspective view in the state where the board side unit is attached to the board, (B) is the board side unit The perspective view of the state before is attached to the board | substrate is each shown. FIG. 2B is a perspective view before connection of the panel side unit and the board side unit, (A) is a perspective view, (B) is a horizontal sectional view, and (C) is a vertical sectional view. It is the various figures after the connection of the panel side unit and the board side unit, (A) is a perspective view, (B) is a horizontal sectional view, and (C) is a vertical sectional view. It is the whole state of the connection state of the same board side unit mounted in the same board side unit and the same board side mounted in the same panel, (A) is a front view, (B) is a sectional view, respectively. Show. It is sectional drawing by line AA seen in the arrow direction in FIG.5 (B), (A) is a state without position shift, (B) is the state which approached the X-axis right side, (C) is a state. The state which approached the Y-axis upper direction is shown, respectively. It is various figures which show the effect | action of the contact spring piece of a center conductor, (A) is the whole cross section of the connection state of the same board side unit mounted in the same board side unit attached to the same panel and the same board side FIGS. 4B and 4B are enlarged views in the circle B in FIG. 5A in the case of XY axis floating, and FIG. 4C is an enlarged view in the circle B in the case of Z axis floating. It is a figure of the modification 1 of the Example 1, (A) is a front view of a flange, (B) is the same board | substrate side mounted in the same board side unit and the same panel side unit attached to the same panel. Sectional views of the connected state of the units are shown respectively. It is sectional drawing of the connection state of the same board side unit mounted in the same panel side unit attached to the same panel of the modification 2 of the Example 1 and the same board | substrate. It is sectional drawing of the plug for board | substrate mounting which is a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Angle type coaxial connector, connector 2 Panel side unit, interface side assembly 2a Inter-unit connection part 3 Center conductor 3a Tip 4 Insulator, 1st insulator 5 External conductor 5a Mating connection part 6 Panel mounting part 6a Flange 6b Screw 6c Nut DESCRIPTION OF SYMBOLS 11 Panel 11a Mounting hole 22 Board | substrate side unit, board | substrate side assembly 22a Inter-unit connection part 23 External conductor 23a Opening 23b Contact spring piece, 1st contact spring piece 23c Adsorption surface 23d Board mounting connection surface 24 Insulator, 2nd insulator 25 Center conductor 25a Contact spring piece, second contact spring piece, third contact spring piece 25b Board connection terminal 31 Board 31a Signal line 31b Board side unit mounting pad 41 Flange 42 Screw

Claims (2)

A mating connection part that connects to the mating connector at one end, a panel mounting part that is attached to the panel surface at the middle part, and a board connection that is mounted and connected to a board that is disposed at the other end in a direction perpendicular to the panel surface In the angle type coaxial connector having a portion,
It is divided into two, a panel side unit including the fitting connection portion and the panel mounting portion, and a substrate side unit including the substrate connection portion,
Panel-side unit connection portions that can be connected to each other on the dividing surfaces of the panel-side unit and the substrate-side unit, and board-side unit connection portions are provided,
The panel side unit connecting portion is
Panel side outer conductor,
A panel-side central conductor disposed via a first insulator at the center of the panel-side outer conductor;
The board side unit connecting portion is
A board-side outer conductor that opens in the coaxial direction and receives and contacts the panel-side outer conductor;
A board-side central conductor disposed in the opening of the board-side outer conductor via a second insulator and in contact with the panel-side central conductor;
The board-side outer conductor has an upper surface constituting an adsorption surface of an automatic mounting machine, and a lower surface constituting a board mounting connection surface ,
The board-side outer conductor is formed to have a size having play in a direction orthogonal to the coaxial direction when the opening is fitted with the panel-side outer conductor, and protrudes into the opening. A first pair of pairs that elastically contact the peripheral surface of the side outer conductor from a direction orthogonal to the coaxial direction and from a direction opposite to each other, and form a floating in the biaxial direction orthogonal to the coaxial direction of the panel side outer conductor. While having a contact spring piece (23b) ,
The board-side center conductor protrudes into the opening and elastically contacts the end face of the panel-side center conductor from the coaxial direction, and the panel-side outer conductor floats in the coaxial direction. By having (25a)
The angle-type coaxial connector characterized in that the board-side inter-unit connection portion floats in the triaxial direction of the panel-side inter-unit connection portion . A mating connection part that connects to the mating connector at one end, a panel mounting part that is attached to the panel surface at the middle part, and a board connection that is mounted and connected to a board that is disposed at the other end in a direction perpendicular to the panel surface In the angle type coaxial connector having a portion,
It is divided into two, a panel side unit including the fitting connection portion and the panel mounting portion, and a substrate side unit including the substrate connection portion,
Panel-side unit connection portions that can be connected to each other on the dividing surfaces of the panel-side unit and the substrate-side unit, and board-side unit connection portions are provided,
The panel side unit connecting portion is
Panel side outer conductor,
A panel-side central conductor disposed via a first insulator at the center of the panel-side outer conductor;
The board side unit connecting portion is
A board-side outer conductor that opens in the coaxial direction and receives and contacts the panel-side outer conductor;
A board-side central conductor disposed in the opening of the board-side outer conductor via a second insulator and in contact with the panel-side central conductor;
The board-side outer conductor has an upper surface constituting an adsorption surface of an automatic mounting machine, and a lower surface constituting a board mounting connection surface,
The panel side center conductor protrudes outward in the coaxial direction from one end of the panel side outer conductor,
The board-side outer conductor is formed to have a size having play in a direction orthogonal to the coaxial direction when the opening is fitted with the panel-side outer conductor, and protrudes into the opening. A first pair of pairs that elastically contact the peripheral surface of the side outer conductor from a direction orthogonal to the coaxial direction and from a direction opposite to each other, and form a floating in the biaxial direction orthogonal to the coaxial direction of the panel side outer conductor . while have a contact spring piece (23b),
The board-side center conductor protrudes into the opening and elastically contacts the outer periphery of the front end of the panel-side center conductor from a direction orthogonal to the coaxial direction, and the panel-side outer conductor floats in the coaxial direction . By having three contact spring pieces (25a) ,
The angle-type coaxial connector characterized in that the board-side inter-unit connection portion floats in the triaxial direction of the panel-side inter-unit connection portion .

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