WO2022070279A1 - Socket - Google Patents

Abstract

The present invention comprises: a base having a top surface on which an electric component is to be placed; a pressing part which is disposed above the base and which has a pressing surface that is capable of pressing the electric component; and a pressing mechanism which supports the pressing part such that the pressing part is vertically movable to come close to or move away from the base, while restricting the horizontal movement of the pressing part, and which moves the pressing part vertically downward while retaining the pressing surface in a position parallel to the electric component, to thereby press the electric component toward the base side by the pressing part.

Description

socket

The present invention relates to a socket for inspecting electronic components.

Various inspection devices are used to inspect electronic components in the manufacturing process of electronic components such as integrated circuits (ICs). Some of these inspection devices use sockets to apply a predetermined pressure to each of a plurality of types of electronic components to be inspected having different thicknesses.

For example, Patent Document 1 describes an inspection using a burn-in socket that adjusts the height of a member for applying pressure to an electronic component as an inspected object by rotating a handle arm connected to an eccentric cam. The device is disclosed.

In the inspection device of Patent Document 1, a cover is hinged to a support unit that is a base for accommodating electronic components in the accommodating portion, and the accommodating portion is opened and closed. The cover has a pusher that pressurizes the inspection component toward the support unit side by rotating the handle arm, and a heat dissipation member for providing a cooling effect when inspecting the electronic component under high temperature conditions.

The pusher is elastically provided up and down in the center of the cover body via a screw into which a spring is inserted. The eccentric cam portion is attached to the cover body so as to slide and rotate at the center of the pair of opposite sides on the upper surface of the pusher, and the handle arm extends from a part of the outer circumference of the eccentric cam. The eccentric cam rotates with respect to the cover body by rotating the handle arm, presses the upper surface of the pusher that slides under the eccentric cam, and presses the electronic component toward the support unit side with the pusher. This makes it possible to inspect the electronic components by connecting the terminals of the electronic components to the terminals on the inspection device side.

Special Table 2018-503818A Gazette

By the way, in the conventional inspection device, the pressure is movably supported downward with respect to the upper cover body via a spring inserted into the screw and urged upward. In this pusher configuration, when pressed downward by the sliding of the rotating eccentric cam, the urging force of the spring in the vertical direction and the horizontal force by the sliding of the eccentric cam are applied to the mechanical part of the screw and the spring. It will take. Therefore, depending on the component tolerances of the components, it may be difficult to move the electronic components vertically and downward.
It is desired that the socket presses the electric component evenly over the entire surface so as to reliably press the electric component such as an electronic component vertically.

Therefore, the present invention provides a socket for vertically applying pressure to an electric component such as an electronic component and a socket for inspection.

The socket of the present invention has a base on which an electric component is placed on the upper surface and a base on which an electric component is placed.
A pressing portion arranged above the base and having a pressing surface capable of pressing the electric component, and a pressing portion.
The pressing portion is supported so as to move up and down so as to approach or separate from the base while restricting the movement in the horizontal direction, and the pressing portion is moved downward while the pressing surface is parallel to the electric component. A pressing mechanism unit that moves vertically and presses the electric component toward the base side by the pressing unit, and a pressing mechanism unit.
Have.

The inspection socket of the present invention is an inspection socket used for inspecting the electrical characteristics of electrical parts, and includes a socket having the above configuration.

According to the present invention, pressure can be suitably applied to electronic components.

It is an overall perspective view of the socket which concerns on Embodiment 1 of this invention. It is a right side view of the socket which concerns on Embodiment 1 of this invention. It is a perspective view which removed the bail with the socket which concerns on Embodiment 1 of this invention. It is an exploded perspective view of the main part of the socket which concerns on Embodiment 1 of this invention. It is a perspective view of a base. It is a perspective view provided for the explanation of a pressing mechanism part. It is an exploded perspective view of a pressing part. It is a figure which provides the explanation of the operation of the socket which concerns on Embodiment 1 of this invention. It is a figure which provides the explanation of the operation of the socket which concerns on Embodiment 1 of this invention. It is an overall perspective view of the socket which concerns on Embodiment 2 of this invention. It is a top view of the socket which concerns on Embodiment 2 of this invention. It is an upper perspective view which removed the lid member in the socket which concerns on Embodiment 2 of this invention. It is a lower perspective view which removed the lid member in the socket which concerns on Embodiment 2 of this invention. It is a right side view of the socket which concerns on Embodiment 2 of this invention. 11 is a cross-sectional view taken along the line AA of FIG. 11 is a cross-sectional view taken along the line BB of FIG. 11 is a cross-sectional view taken along the line CC of FIG. FIG. 11 is a sectional view taken along line DD of FIG. 11 is a cross-sectional view taken along the line EE of FIG. It is a figure which shows the operation of a pressing part. It is an overall perspective view of the socket which concerns on Embodiment 3 of this invention. It is an upper perspective view which shows the state which the bail and the lid member were removed in the socket which concerns on Embodiment 3 of this invention. It is a right side view of the socket which concerns on Embodiment 3 of this invention. FIG. 2 is a right side view for explaining the pressing mechanism portion in which the bail is removed in the socket shown in FIG. 23. FIG. 6 is a right side view for explaining the pressing mechanism portion in which the link plate is removed in the socket shown in FIG. 24. FIG. 5 is a right side view for explaining a pressing mechanism portion in which the second cross plate is removed in the socket shown in FIG. 25. It is a figure which is used for the explanation of the pressing mechanism part which removed the 1st link plate in the socket shown in FIG. 26, and is the figure which is provided for the explanation of the operation of the socket which concerns on Embodiment 3 of the invention. It is a figure which provides the explanation of the operation of the socket which concerns on Embodiment 3 of this invention. It is an overall perspective view of the socket which concerns on Embodiment 4 of this invention. It is a right side view of the socket which concerns on Embodiment 4 of this invention. It is an upper exploded perspective view which shows the main part structure of the socket which concerns on Embodiment 4 of this invention. It is a downward disassembled perspective view which shows the main part structure of the socket which concerns on Embodiment 4 of this invention. It is a figure which shows the state which the lid member was removed from the movable frame part in the socket which concerns on Embodiment 4 of this invention. It is an overall perspective view of the socket which concerns on Embodiment 5 of this invention. It is a right side view of the socket which concerns on Embodiment 5 of this invention. FIG. 35 is a cross-sectional view taken along the line FF of FIG. 35. FIG. 35 is a cross-sectional view taken along the line GG of FIG. 35. FIG. 35 is a sectional view taken along line WH of FIG. 35. It is a cross-sectional view taken along the line JJ of FIG. 35. It is a figure which provides to explain the relationship between the tip side cam part and the cam groove part. It is a perspective view which looked at the tip side cam part from the engagement cam part side.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(Embodiment 1)
The socket 10 shown in FIGS. 1 to 4 is an IC socket as an "electric component socket", and is applied when inspecting the performance of an electric component such as an IC package to be accommodated. For example, the socket 10 is arranged on a wiring board (not shown) and is used as an inspection socket in an electric component as an inspected object, for example, a test device for a continuity test such as a burn-in test for an IC package.

From the upper surface side, the socket 10 includes a socket body 20 for accommodating an electric component, for example, an IC package, a lid member 30 for pressing the IC package in the socket body 20, a bail 40, and a pressing mechanism portion 50. ..

In the present embodiment, the socket 10 is an opening / closing body in which a lid member 30 is openably / closably attached to a socket main body 20 arranged on a wiring board. In the socket 10, the IC package is placed on the socket body 20 and the lid member 30 is closed. Next, the IC package is pressed by the lid member 30 via the pressing mechanism portion 50 by rotating the bail 40, and the IC package is moved downward to be connected to the terminal on the socket body 20 side. The socket 10 shown in FIG. 1 shows a state in which an IC package (not shown) is pressed.

In a state where the lid member 30 is closed with respect to the upper surface of the socket body 20, the direction in which the lid member 30 approaches or separates from the socket body 20 via the pressing mechanism portion 50 by the rotation operation of the bail 40 (“contact / separation direction””. Also called).

In the following description, one edge side of the lid member 30 and the bail 40 rotatably connected to the socket body 20 is the base end side, and the other edge side on the opposite side is the tip end side. , Both edge sides separated from each other in the direction orthogonal to the base end side and the tip end side will be described as both side portions.

The socket main body 20 has a frame-shaped base 22 arranged on a wiring board, a base end side connecting piece portion 23, and a tip end side connecting piece portion 24.
FIG. 5 is a perspective view of the base.
Inside the base 22, a contact pin unit in which a large number of contact pins are arranged is arranged. The base 22 surrounds and supports the contact pin. An electrical component accommodating portion 21 is provided on the upper side of the contact pin unit. When the electric component arranged in the accommodating portion 21 is pushed down from above, the terminal on the lower surface of the electric component comes into contact with a large number of contact pins.

The base end side connecting piece portion 23 and the tip end side connecting piece portion 24 are connected to the lid member 30 and the pressing mechanism portion 50, respectively.
The base end side connecting piece portion 23 supports the lid member 30 so as to be openable and closable, and together with the tip end side connecting piece portion 24, supports the lid member 30 so as to be vertically movable. The base end side connecting piece portion 23 functions as a part of the pressing mechanism portion 50 together with the tip end side connecting piece portion 24.

The base end side connecting piece portion 23 is provided so as to project upward from the base end side side portion (one edge portion, also referred to as “base end side portion”) 22a of the base end side. The base end side connecting piece portion 23 is provided with an elongated hole 25 extending in the vertical direction facing each other, and the first shaft portion 41 is inserted through the elongated hole 25.

The base end side connecting piece portion 23 is arranged on both sides of the base end side portion 22a, and supports the first shaft portion 41 via the elongated hole 25 so as to be positioned along the extending direction of the base end side portion 22a. are doing.

The first shaft portion 41 is inserted through the base end portion 32a of the lid member 30 at the central portion. The lid member 30 can move in the vertical direction with respect to the base 22 via the elongated hole 25 and the first shaft portion 41, but the movement is restricted to the horizontal movement.

Further, the base end side connecting piece portion 23 is formed with a through hole 26 extending along the base end side portion 22a of the base 22 at the lower portion. A third shaft portion 43 parallel to the first shaft portion 41 is inserted through the through hole 26.

The base end side connecting piece portion 23 rotatably supports the link plate 51 (51-1) and the bail 40 around the third shaft portion 43.

The bail 40 was erected between a pair of horizontal arms 402 extending from the link plates 51-1 on both sides of the base end side portion 22a toward the tip end side portion 22b and the tip portions of the pair of horizontal arm 402s. It has a grip shaft portion 404 and is formed in a U-shape in a horizontal view.

In the bail 40, the base end portion 401 of the horizontal arm 402 is formed in an L-shape in a side view, and the bail protrusion 54 projecting from the link plate 51 is joined to the L-shaped corner portion. The bail 40 rotates the link plate 51 toward the base end portion side of the base 22 by rotating around the third shaft portion 43.

The tip side connecting piece portion 24 is provided so as to project upward from both side portions of the tip side portion (the other edge portion) 22b of the base 22. The tip-side connecting piece portion 24 is provided with an elongated hole 25 extending in the vertical direction at the upper portion thereof. The second shaft portion 42 is inserted into the elongated hole 25 in the extending direction of the tip side portion 22b, that is, in the lateral direction.

The second shaft portion 42 is aligned in parallel with the first shaft portion 41 in the front-rear direction (tip direction and base end direction), and the latch 60 is inserted at the central portion. The latch 60 engages with the lid member 30 to hold the lid member 30 in a closed state with respect to the socket body 20.

The second shaft portion 42 can move in the vertical direction with respect to the base 22 together with the lid member 30 via the latch 60, but the movement to the horizontal movement is restricted.

A guide strip portion 242 is provided between the tip side connecting piece portions 24 so that the latch 60 covers from above and guides the movement of the latch 60. The guide strip 242 is formed so that the upper end portion 242a side is round, and guides the swing of the latch that comes into contact with the upper end portion 242a. The latch 60 is configured to be movable in the vertical direction with respect to the base 22 via the second shaft portion 42.

Further, a through hole 26 that opens laterally is provided in the lower portion of the tip side connecting piece portion 24, and the through hole 26 has a fourth shaft portion that extends along the tip side portion 22b of the base 22. 44 is inserted to rotatably support the fourth shaft portion 44.

The tip side connecting piece portion 24 rotatably supports the link plate 51 (51-2) around the fourth shaft portion 44.

In this way, in the base end side connecting piece portion 23 and the tip end side connecting piece portion 24, the first shaft portion 41 and the third shaft portion 43 are arranged along both sides and can move along the vertical direction. Is supported by.

The lid member 30 moves in the contacting / separating direction with respect to the base 22 via the first shaft portion 41 to the fourth shaft portion 44, and the first shaft is on the base end side portion 22a side of the base 22. It is in a state of being pivotally supported with respect to the base 22 via the portion 41 so as to be openable and closable. In the present embodiment, the base end side connecting piece portion 23 also has a function as a hinge portion for rotating the lid member 30 with respect to the base 22 together with the first shaft portion 41.

Both ends of the first shaft portion 41 and the third shaft portion 43 extending from the base end side connecting piece portion 23 to both sides are connected to the link plate 51. Further, both ends of the second shaft portion 42 and the fourth shaft portion 44 extending from the tip side connecting piece portion 24 to both sides are connected to the link plate 51.
FIG. 6 is a perspective view for explaining the pressing mechanism portion.
As shown in FIGS. 1 to 6, the pressing mechanism portion 50 includes a base end side connecting piece portion 23, a tip end side connecting piece portion 24, first to sixth shaft portions 41 to 46, and a plurality of link plates 51. And a connecting arm portion 59.

The base end side connecting piece portion 23 and the tip end side connecting piece portion 24 support the lid member 30 so as to be vertically movable via the first shaft portion 41 and the second shaft portion 42, and the third shaft portion 43 and the fourth shaft portion 43. The link plate 51 is rotatably supported around the shaft portion 44.

The plurality of link plates 51 are formed to have substantially the same shape, and in the socket 10, the base end side connecting piece portion 23 of the base end side portion 22a of the base 22 and the tip end side connecting piece portion 24 of the tip end side portion 22b , Is arranged outward in the direction orthogonal to the rotation direction of the lid member 30.

In the link plate 51 which is arranged on the same straight line in the rotation direction of the lid member 30 on the sides of the base end side connecting piece portion 23 and the tip end side connecting piece portion 24, the connecting arm portion 59 is rotatably erected and linked. The plates 51 are connected so that the movements of the plates 51 are synchronized with each other.

The link plate 51 has a fifth shaft portion 45 in a slit between two opposing plate-shaped portions at a position diagonal to each position of the third shaft portion 43 and the fourth shaft portion 44, which are the respective rotation axes. And the sixth shaft portion 46 is provided. Both ends of the connecting arm portion 59 are rotatably attached to the fifth shaft portion 45 and the sixth shaft portion 46.

Between the positions of the third shaft portion 43 and the fourth shaft portion 44 on the link plate 51 and the positions of the fifth shaft portion 45 and the sixth shaft portion 46, the third shaft portion 43 and the fourth shaft portion 44 are located. An arc-shaped escape hole 53 is provided around the position.

The first shaft portion 41 is arranged so as to penetrate through the escape hole 53 of the link plate 51-1 on the base end side so as to be relatively movable. A second shaft portion 42 is arranged so as to penetrate through the escape hole 53 of the link plate 51-2 on the tip end side so as to be relatively movable.

The lengths between both end portions of the arc-shaped relief hole 53 and the positions of the third shaft portion 43 and the fourth shaft portion 44 are different from each other.

That is, at the other end of the escape hole 53, rather than the length to the center of the base end side hole portion 532 and the third shaft portion 43 (or the fourth shaft portion 44), which is one end of the escape hole 53. The length to the center of a certain tip side hole portion 534 and the third shaft portion 43 (or the fourth shaft portion 44) is longer. By adjusting this length in correspondence with the lengths of the elongated holes 25 of the base end side connecting piece portion 23 and the tip end side connecting piece portion 24, it is possible to change the separation position of the lid member 30 with respect to the base 22.

Of the link plates 51, the bail 40 is fixed to the link plate 51-1 connected on the base end side connecting piece side. The base end 401 of the bail 40 is fixed so as to rotate with the link plate 51-1.
The link plate 51 is provided with, for example, a bail protrusion 54 projecting laterally, and the base end portion 401 of the bail 40 is fitted to the bail protrusion 54 and the third shaft portion 43 and joined to the link plate 51. To.

FIG. 7 is an exploded perspective view of the pressing portion.
The lid member 30 has a lid main body 32 and a pressing portion 34. The lid member 30 is formed in a plate shape, and when it is located on the base 22, it is arranged parallel to the base 22.
The lid body 32 is formed in a rectangular frame shape attached to the upper part of the pressing portion 34. As shown in FIGS. 1 to 4, in the lid main body 32, the first shaft portion 41 is inserted through the base end portion 32a of the lid main body 32.

On the other hand, the tip portion 32b of the lid main body 32 is provided with an engaged portion 322 to which the claw portion 62, which is the engaging portion of the latch 60, is engaged.

The engaged portion 322 of the lid main body 32 engages with the claw portion 62 of the latch 60, and the upward movement of the claw portion 62 is restricted. The lower surface of the engaged portion 322 is inclined from the tip end to the base end. With this configuration, even when the engaged portion 322 is not engaged with the claw portion 62 and the engaged portion 322 is on the claw portion 62 of the latch 60, when the engaged portion 322 is pressed downward, the engaged portion 322 is pressed downward. The engaged portion 322 slides on the upper portion of the claw portion 62. Next, the claw portion 62 rotates about the fourth shaft portion 44 and is pushed out toward the tip portion. The engaged portion pushes away the claw portion 62 and moves downward. Next, when the engaged portion 322 reaches the engaged position, the claw portion 62 is released from the pressed state toward the tip portion side by the engaged portion 322, returns to the original position, and engages with the engaged portion 322. do.

The pressing portion 34 has a pressing surface 341 arranged above the internal opening (position of the contact pin unit) of the base 22 so as to cover the accommodated electrical components. The pressing portion 34 is formed in the shape of a rectangular plate, and a convex heat radiating portion 344 is formed so as to project upward at the center of the upper surface and engage with the opening inside the lid main body 32. In the present embodiment, in the pressing portion 34, the rectangular plate-shaped portion having the pressing surface 341 on the lower surface may be referred to as the pressing main body portion 345. The heat radiating unit 344 dissipates heat from the IC package when measuring the performance characteristics of the IC package as an electric component, so that suitable performance characteristics can be measured. That is, the pressing portion 34 presses the IC package downward and dissipates heat to the outside through the portion in contact with the IC package to cool the IC package.

The latch 60 is rotatably attached by the second shaft portion 42. Further, the latch 60 is provided so as to be able to move up and down together with the lid member 30 as the second shaft portion 42 moves up and down. Further, when the latch 60 moves upward with respect to the base 22, the engaging recess 64 at the lower part of the latch 60 moves to a position where it engages with the upper end portion 242a of the guide strip portion 242. In this state, the latch 60 rotates about the second shaft portion 42 and can be engaged with and disengaged from the engaged portion 322.

8 and 9 are views for explaining the operation of the socket according to the first embodiment of the present invention, and FIG. 8 shows that the bail is rotated to release the downward pressing state, that is, by the pressing portion. Indicates a state in which the pressure on the electric component is released. FIG. 9 is a side view schematically showing the positional relationship between the base 22 corresponding to the socket shown in FIG. 8 and the pressing portion 34.

First, when the bail 40 is rotated from the state shown in FIGS. 1 and 2, the link plate 51 to which the bail 40 is connected rotates around the third shaft portion 43 (here, clockwise rotation in the figure). At this time, the rotational force of the link plate 51-1 on the proximal end side is transmitted to the link plate 51-2 on the distal end side via the connecting arm portion 59, and the link plate 51-2 is the same as the link plate 51-1. Rotate to. As a result, the link plates 51-1 and 51-2 rotate about the second shaft portion and the third shaft portion at the same time.

By this rotation, the third shaft portion 43 and the fourth shaft portion 44 inserted through the escape hole 53 are guided by the inserted escape hole 53, respectively, and move from the base end side hole portion 532 to the tip end side hole portion 534. .. The first shaft portion 41 and the second shaft portion 42 are guided by the slot 25 and move vertically upward from the position below the slot 25. As a result, the lid main body 32 connected to the first shaft portion 41 at the base end portion 32a and the latch engaged with the tip end portion 32b of the lid main body 32 and connected to the third shaft portion are vertically vertically upward. Moving.

The socket 10 of the present embodiment includes a base 22 on which an IC package (electrical component) is placed on the upper surface, and a pressing portion 34 which is arranged above the base 22 and has a pressing surface capable of pressing the IC package. , The pressing portion 34 is vertically moved downward so as to approach or separate from the base 22 while restricting the movement in the horizontal direction, and the pressing portion 34 is vertically vertical with the pressing surface parallel to the electric component. It has a pressing mechanism unit 50 that is moved to and presses the electric component toward the base 22 side by the pressing unit 34.

The pressing mechanism portion 50 includes a plurality of shaft portions 41 and 42 provided parallel to each other and extending on both sides of the pressing portion 34 on the tip end side and the base end side of the pressing portion 34, and the pressing portion 34. It has a plurality of link plates (cam portions) 51-1 and 51-2 that are rotatably provided on both sides. Further, the pressing mechanism portion 50 is arranged by connecting a plurality of link plates 51-1 and 51-2 to a plurality of shaft portions (first shaft portion 41 and second shaft portion 42), and the plurality of link plates 51. By the rotation of -1 and 51-2, the plurality of shaft portions 41 and 42 are simultaneously moved up and down so as to change the height position with respect to the base 22 in a state parallel to each other, and the pressing surface 341 is moved vertically. It has a connecting mechanism.

The pair of link plates 51-1 are provided on both sides of the base end side of the pressing portion 34, have escape holes (guide holes) 53 into which the first shaft portion 41 is inserted, and pass through the escape holes 53 by rotation. The first shaft portion 41 is guided in the vertical direction to displace the height position of the first shaft portion 41. The pair of link plates 51-2 are provided on both sides on the tip end side of the pressing portion 34, have a clearance hole 53 into which the second shaft portion 42 is inserted, and have a second shaft portion via the clearance hole 53 by rotation. The 42 is guided in the vertical direction to displace the height position of the second shaft portion 42. The connecting mechanism portion in the pressing mechanism portion 50 has a connecting arm 59 that connects the link plates 51-1 and 51-2 at the tip portions in a synchronous manner.

In the socket 10, the lid member 30 that opens and closes with respect to the base 22 is arranged above the base 22, and the pressing portion 34 can be moved perpendicularly to the base 22 simply by rotating the bail 40. .. That is, the horizontal arm 402 of the bail 40 is rotated from the vertical state to the horizontal state to bring it into the state shown in FIG. 1, that is, the bail 40 is rotated when the electric component housed in the base 22 is pressed downward. Only by this operation, the pressing portion 34 can be moved vertically and the electric component can be pressed downward with an even force over the entire surface.

As a result, when inspecting the performance of the IC package as an electric component, and when connecting the terminal of the IC package to the terminal of the inspection device, it is possible to connect reliably and stably.

(Embodiment 2)
FIG. 10 is an overall perspective view of the socket according to the second embodiment of the present invention, and FIG. 11 is a plan view of the socket according to the second embodiment of the present invention. Further, FIG. 12 is an upward perspective view in which the lid member is removed from the socket according to the second embodiment of the present invention, and FIG. 13 is a downward perspective view in which the lid member is removed from the socket according to the second embodiment of the present invention. It is a figure. 14 is a right side view of the socket according to the second embodiment of the present invention, and FIGS. 15 to 19 are a sectional view taken along line AA, a sectional view taken along line BB, and a sectional view taken along line C of FIG. 11, respectively. -C line cross-sectional view, DD line cross-sectional view, EE line cross-sectional view. Further, FIG. 20 is a diagram showing the operation of the pressing portion.

The socket 10A shown in FIGS. 10 to 20 is an IC socket as an "electric component socket", and has the same effect as the socket 10 of the first embodiment, although the configuration of the pressing mechanism portion is mainly different. It has.

The socket 10A is an opening / closing body including a socket main body 20A for accommodating an electric component, for example, an IC package, and a lid member 30A which can be opened and closed and attached to the socket main body 20A on the upper surface. In the present embodiment, the lid member 30A has a lid main body 32A, a pressing portion 34A, a bail 40A, and a pressing mechanism portion 50A.

The socket 10A accommodates the IC package in the socket body 20A arranged on the wiring board, covers the socket body 20A with the lid member 30A, and closes the socket 10A. In this state, by rotating the bail 40A, the pressing portion 34A completely abuts on the IC package via the pressing mechanism portion 50A, and the IC package is vertically pressed downward to move. As a result, the IC package is moved downward and connected to the terminal on the socket body 20A side. The socket 10A shown in FIG. 10 shows a state in which the IC package is housed but not pressed downward. That is, in the socket 10A shown in FIG. 1, the IC package to be accommodated is pressed downward by rotating the bail 40A toward the tip end side.

I will explain in detail. In the socket 10A, one edge side of the lid member 30A rotatably connected to the socket body 20A is set as the base end side, and the opposite side thereof is engaged with the socket body 20A via the latch 60A. The mating edge side is the tip side. Further, the direction horizontally orthogonal to the base end portion and the tip end side will be referred to as a side (side portion side).

The socket body 20A has a frame-shaped base 22A arranged on a wiring board, a base end side connecting piece portion 23A, and a tip end side connecting portion 24A.

The base 22A is integrally molded with the base end side connecting piece portion 23A and the tip end side connecting portion 24A. Inside the base 22A, a contact pin unit in which a large number of contact pins are arranged is arranged. The base 22 surrounds and supports the contact pin. An electrical component accommodating portion 21 is provided on the upper side of the contact pin unit. When the electric component arranged in the accommodating portion 21 is pushed down from above, the terminal on the lower surface of the electric component comes into contact with a large number of contact pins.

The base end side connecting piece portion 23A supports the lid member 30A so as to be openable and closable. The base end side connecting piece portion 23A is projected upward at both side portions of the base end side portion (one edge portion) 22a of the base end 22A. A rotation shaft portion 47 is erected in the through hole of the base end side connecting piece portion 23A so as to be located along the extending direction of the base end side portion 22a. The base end side portion 22a of the lid main body 32A of the lid member 30A is inserted into the rotating shaft portion 47, and the base end side connecting piece portion 23A rotatably supports the lid main body 32A via the rotating shaft portion 47. are doing. The rotation shaft portion 47 is inserted through the base end portion (specifically, the base end portion 32a of the lid main body 32A) at the central portion, and the lid member 30A rotates with respect to the socket main body 20. The movement of the shaft portion 47 in the extending direction is restricted.

The tip side connecting portion 24A has an engaging hole 244 with which the claw portion 62A of the latch 60A to which the latch 60A provided on the tip side of the lid member 30A engages is engaged. The engaging hole 244 is an engaging hole, but the present invention is not limited to this, and any configuration may be used as long as the lid member 30A that opens and closes with respect to the socket body 20A is held in a closed state with respect to the socket body 20A.

The lid body 32A of the lid member 30A is attached so as to cover the base 22A, and the both side cover portions 321A extending from the base end side to the tip side so as to cover both side portions of the base 22A. Have.

The base end side of both side cover portions 321A is connected by erection of the rotary shaft portion 47, and the base end side of both side cover portions 321A is connected by erection of the tip side shaft portion 48.

The cover portions 321A on both sides are provided with a cam contact portion 35 on which the outer peripheral surface of the cam portion 58 slides. When the cam portion 58 slides, the cam contact portion 35 presses the outer peripheral surface of the cam portion 58 to change the position of the cam portion 58. In the present embodiment, the cam contact portion 35 is provided so as to project laterally from each of the both side cover portions 321A and project to the upper portion of the cam portion 58.

The lid main body 32A is formed in a frame shape by the cover portions 321A on both sides, the rotating shaft portion 47, and the tip side shaft portion 48, and is arranged so as to cover the outer periphery of the pressing portion 34A.

A latch 60A is rotatably supported on a tip side shaft portion 48 erected laterally on the tip portions of both side cover portions 321A.

The latch 60A is arranged at the tip of both side cover portions 321A, respectively. The latch 60 is provided so as to project toward the base 22A, and is provided with a claw portion 62A that engages with the engagement hole 244 of the tip side connecting portion 24A of the base 22A.

The latch 60A is connected via the grip shaft portion 49. The latch 60A has the claw portion 62A and the tip side by operating the grip shaft portion 49 to rotate the latch 60A around the tip side shaft portion 48 in a state where the lid member 30A is closed with respect to the base 22A. The engagement state of the connecting portion 24A with the engaging hole 244 can be released.

The pressing portion 34A has a pressing main body portion 345 arranged so as to cover the electric components to be accommodated above the internal opening (position of the contact pin unit) of the base 22A, and a heat dissipation portion 344A of the pressing main body portion 345. It has a pressing frame portion 346 arranged so as to surround it.

The pressing main body portion 345 is formed in the shape of a rectangular plate, and is formed by projecting a heat radiating portion 344A at the center of the upper surface of the plate-shaped portion whose lower surface is the pressing surface 341. The pressing main body portion 345 is made of, for example, a material having thermal conductivity such as aluminum, iron, copper, etc., and dissipating heat from the IC package pressed by the pressing surface 341.

The pressing frame portion 346 is formed in a rectangular frame shape, and is arranged so as to surround the heat radiating portion 344A and cover the pressing main body portion 345 from above. The pressing frame portion 346 is connected to the pressing mechanism portion 50A, and the pressing portion 34A can be moved up and down by the operation of the pressing mechanism portion 50A.

The pressing frame portion 346 has a concave notch in the center of the lower surface, and the pressing surface 341 is arranged in this notch. The pressing frame portion 346 is a portion arranged above the plate-shaped portion of the pressing main body portion 345 including the notched portion, and the pressing main body portion 345 is arranged so as to be able to be pressed downward.

The pressing frame portion 346 is laterally spaced apart from the recessed portions 36a and 36b formed on the upper surfaces of the base end side portion 22a and the tip end side portion 22b of the base 22 and directly below the recessed portions 36a and 36b. It has through holes 37a and 37b that are arranged so as to extend.
The first shaft portion 41A and the second shaft portion 42A arranged along the lateral direction are placed on the recessed portions 36a and 36b. Through holes 37a and 37b, a third shaft portion 43A and a fourth shaft portion 44A parallel to the first shaft portion 41A and the second shaft portion 42A are inserted.

The through hole 37a is circular, and the first shaft portion 41A to be inserted functions as a shaft of the through hole 37a. On the other hand, the through hole 37b is a through hole 37b having a long cross-sectional long hole in the tip direction (front-back direction). The fourth shaft portion 44A inserted into the through hole 37b is formed so that the center position can be slidably formed on the tip end side and the base end portion side.

The pressing mechanism portion 50A includes a cam contact portion 35, a first shaft portion 41A to a fourth shaft portion 44A, a first cross plate 55, a second cross plate 56, a central shaft portion 57, and a cam portion 58.
The pressing mechanism portion 50A rotatably attaches the cross portion between the first cross plate 55 and the second cross plate 56 to the central shaft portion 57 so as to extend in the front-rear direction on the side of the pressing portion 34A. At the same time, the cam portion 58 is eccentric and fixed.

The base end side connecting piece portion of the first cross plate 55 is connected orthogonally to the first shaft portion 41A, and the distal end portion of the first cross plate 55 is connected orthogonally to the fourth shaft portion 44A. ing.
Further, the base end side connecting piece portion of the second cross plate 56 is connected orthogonally to the third shaft portion 43A, and the end portion on the tip end side of the second cross plate 56 is orthogonal to the second shaft portion 42A. You are connected.

The first shaft portion 41A and the second shaft portion 42A are rotatably attached to the lid member 30A side, that is, the cover portions 321A on both sides.

The cam portion 58 is rotatably provided around a central shaft portion 57 through which a portion where the first and second cross plates 55 and 56 cross and overlap each other is inserted.
The cam portion 58 is provided integrally with the eccentric cam main body 581 and the cam main body 581 so that the position of the central shaft portion 57 and the length of the outer peripheral surface are different, and is joined to the end portion of the bail 40A. It has an operation unit 582.

The cam body 581 is arranged adjacent to the cam contact portion 35 and slides on the cam contact portion 35. As shown in FIG. 16, the position of the central shaft portion 57 of the cam main body 581 and the length D2 to the second outer peripheral portion are longer than the length D1 to the first outer peripheral portion, and the length is longer than the length D2. D3 is longer. By rotating the bail 40A, the length from the cam contact portion 35 to the central shaft portion 57 is adjusted, and the degree of pressing by the pressing portion 34A on the IC package is changed.

A pair of horizontal arms 402 of the bail 40A are joined to the joining operation portion 582 so as to project in a direction orthogonal to the central shaft portion 57.

The bail 40A has a pair of horizontal arms 402A extending from the cam portion 58 in a direction orthogonal to the central shaft portion 57, and a grip shaft portion 404A erected between the tips of the pair of horizontal arms 402A in a plan view. It is formed in a U shape.

By rotating the bail 40A, the horizontal arm 402A can be positioned vertically from the position on the base end side shown in FIGS. 10 to 19. Further, the bail 40A may be rotatable up to the position on the tip side.

First, store the IC package in the socket. In the socket 10 shown in FIGS. 10 to 19, when the IC package is not housed inside, the latch 60A is disengaged from the engagement hole 244 of the tip side connecting portion 24A (see FIGS. 12, 13, and 19). .. For example, the grip shaft portion 49 is operated to rotate the tip side shaft portion 48 around the claw portion 62A of the latch 60A, and the claw portion 62A of the latch 60A is disengaged from the engagement hole 244 of the tip side connecting portion 24A to separate the lid member 30A. The rotation shaft portion 47 is rotated around the rotation shaft portion 47. With the lid member 30A open, an electrical component to be inspected, for example, an IC package is mounted in the socket body 20A, and the lid member 30A is closed with respect to the socket body 20A (FIGS. 10 to 19). State shown in).

Then, rotate the bail 40. In FIGS. 10 to 19, the pressing portion 34A is arranged at a position close to the lid main body 32A in the lid member 30A, and the pressing portion 34A does not press the IC package. When the bail 40 is rotated, the cam portion 58 rotates about the central shaft portion 57.

The cam portion 58 slides on the cam contact portion 35 of the lid main body 32A fixed to the socket main body 20A. The cam portion 58 is an eccentric cam and comes into contact with the outer peripheral surface having a short distance from the rotating shaft portion 47 and having a long distance from the outer peripheral surface.

At that time, the cam portion 58 receives stress from the cam contact portion 35, and the cam portion 58 itself tends to move downward.

Since the rotation axis of the cam portion 58 is inserted into the cross portion between the first cross plate 55 and the second cross plate 56, a force that moves downward from the cam portion 58 to the cross portion itself is applied.

The base end side connecting piece portion of the first cross plate 55 is rotatably attached to the side cover portion 321A of the lid main body 32A while being arranged in the recessed portion 36a of the pressing portion 34A via the first shaft portion 41A. ing.

Further, the end portion on the tip end side of the first cross plate 55 is connected to the pressing portion 34A side by being inserted into the through hole 37b which is a long hole via the fourth shaft portion 44A.

The end portion on the tip end side of the second cross plate 56 is rotatably attached to the side cover portion 321A of the lid main body 32A while being arranged in the recessed portion 36b of the pressing portion 34A via the second shaft portion 42A. There is. Further, the base end side connecting piece portion of the second cross plate 56 is inserted into the through hole 37a of the pressing frame portion 346 via the third shaft portion 43A.

In the socket 10A of the present embodiment, the pressing mechanism portion 50A is provided on each of the tip end side and the base end side of the pressing portion 34A in parallel with each other and extending to both sides of the pressing portion 34A. (1st shaft portion 41A, 2nd shaft portion 42A). Further, the pressing mechanism portion 50A has a plurality of cam portions 58 rotatably provided on both sides of the pressing portion 34A. Further, the pressing mechanism portion 50A includes a first cross plate 55 and a second cross plate 56 as a connecting mechanism portion arranged by connecting the plurality of cam portions 58 and the plurality of shaft portions 41A and 42A. By rotating the plurality of cam portions 58, the connecting mechanism portion moves the plurality of shaft portions 41A and 42A up and down so as to change the height position with respect to the base 22A at the same time in a state parallel to each other, thereby pressing the pressing surface 341. Move vertically.

The pressing portion 34A is provided on the lid member (cover portion) 30A arranged to face the base 22A, and the lid member 30A is separated from the base 22A with the IC package mounted on the base 22A. It has a lid body (cover body) 32A that can be fixed. The lid body 32A has a cam contact portion (flange) 35 on which a plurality of cam portions 58 slide. The connecting mechanism portion includes a support mechanism (mainly the first cross plate 55 and the second cross plate 56) that movably supports the pressing portion 34A vertically with respect to the lid main body 32A. The plurality of cam portions 58 are provided in the support mechanism and slide on the cam contact portion 35 to move the support mechanism up and down with respect to the cam contact portion 35.

As a result, when the cam portion 58 tries to move downward, the base end side connecting piece portion of the first cross plate 55, the cross portion of the first cross plate 55 and the second cross plate 56, and the tip of the second cross plate 56 The angle formed with the end on the side becomes smaller. As a result, with respect to the base end side connecting piece portion of the first cross plate 55 and the tip end side end portion of the second cross plate 56, the tip end side end portion of the first cross plate 55 and the base of the second cross plate 56. The position of the end-side connecting piece moves downward in parallel. That is, the pressing portion 34A can move the pressing surface 341 horizontally and vertically.

As described above, in the socket 10A, the lid member 30A that opens and closes with respect to the base 22 can use the pressing portion 34A as the base simply by installing the IC package in the accommodating portion with the base 22A and rotating the bail 40. It can be moved perpendicular to 22A.

By simply rotating the horizontal arm 402A of the bail 40A from the horizontal state toward the base end side to the vertical state or the horizontal state toward the tip side, the pressing portion 34A can be moved vertically to the entire surface. The electrical components can be pressed downward with even force. As a result, when inspecting the performance of the IC package as an electric component, and when connecting the terminal of the IC package to the terminal of the inspection device, the connection can be reliably and stably.

(Embodiment 3)
21 is an overall perspective view of the socket according to the third embodiment of the present invention, and FIG. 22 is an upper perspective view showing a state in which the bail and the lid member are removed from the socket according to the third embodiment of the present invention. Is. 23 is a right side view of the socket according to the third embodiment of the present invention, and FIG. 24 is a right side view for explaining the unbailed pressing mechanism portion in the socket shown in FIG. 23. Further, FIG. 25 is a right side view for explaining the pressing mechanism portion in which the link plate is removed in the socket shown in FIG. 24, and FIG. 26 is a pressing mechanism portion in which the second cross plate is removed in the socket shown in FIG. 25. It is a right side view to be used for the explanation of. FIG. 27 is a diagram for explaining the pressing mechanism portion from which the first link plate is removed in the socket shown in FIG. 26.

The socket 10B shown in FIGS. 21 to 27 is an IC socket as an "electric component socket", and has the same effect as the socket 10 of the first embodiment, although the configuration of the pressing mechanism portion is mainly different. It has. The socket 10B is arranged on a wiring board (not shown) as in the first and second embodiments, and is used as a test device for a continuity test such as a burn-in test for an electric component such as an IC package as an inspected object. Be done.

From the upper surface side, the socket 10B is attached to the socket body 20B for accommodating electrical parts, the socket body 20B so as to be openable and closable, and the lid member 30B for pressing the IC package in the socket body 20B, the bail 40B, and the pressing mechanism portion. 50B and.

In the socket 10B, the lid member 30B is opened with respect to the socket body 20B arranged on the wiring board, the IC package is placed on the upper surface of the socket body 20B, and the lid member 30B is closed. Next, the IC package is pressed by the lid member 30B via the pressing mechanism portion 50B by rotating the bail 40B, and the IC package is moved downward to be connected to the terminal on the socket body 20B side. The socket 10B shows a state in which an IC package (not shown) is pressed.

When the lid member 30B is closed with respect to the accommodating portion 21 of the socket main body 20B, the lid member 30B approaches or separates from the socket main body 20B via the pressing mechanism portion 50B by the rotation operation of the bail 40B (contact / detachment direction). ). In the present embodiment, the lid member 30B moves in the direction perpendicular to the upper surface of the base 22B.

In the following description, one edge side of the lid member 30B and the bail 40B rotatably connected to the socket body 20B is the base end side, and the opposite edge side is the tip end side. The edge side separated from the end side and the tip side in the direction orthogonal to the end side will be described as the side side.

The socket body 20B has a frame-shaped base 22 arranged on a wiring board, a base end side connecting piece portion 23B, and a tip end side connecting piece portion 24B.

Inside the base 22, a contact pin unit in which a large number of contact pins are arranged is arranged. The base 22 surrounds and supports the contact pin. An electrical component accommodating portion 21 is provided on the upper side of the contact pin unit. When the electric component arranged in the accommodating portion 21 is pushed down from above, the terminal on the lower surface of the electric component comes into contact with a large number of contact pins.

The base end side connecting piece portion 23B and the tip end side connecting piece portion 24B are connected to the lid member 30B and the pressing mechanism portion 50B, respectively, via the first shaft portion 41B and the second shaft portion 42B.

The base end side connecting piece portion 23B supports the lid member 30B so as to be openable and closable, and together with the tip end side connecting piece portion 24B, supports the lid member 30B so as to be vertically movable. The base end side connecting piece portion 23B functions as a part of the pressing mechanism portion 50B together with the tip end side connecting piece portion 24B.

The base end side connecting piece portion 23B is provided so as to project upward from the base end side portion (one edge portion) 22a of the base end 22. The base end side connecting piece portion 23B is provided with an elongated hole 25B extending in the vertical direction facing each other, and the first shaft portion 41B is inserted through the elongated hole 25B.

The base end side connecting piece portion 23B is arranged on both sides of the base end side portion 22a, and supports the first shaft portion 41B via the elongated hole 25B so as to be located along the extending direction of the base end side portion 22a. are doing.

The first shaft portion 41B is inserted through the base end portion 32a of the lid member 30B at the central portion. The lid member 30B can move vertically with respect to the base 22B via the elongated hole 25B and the first shaft portion 41B, but is restricted from moving horizontally.

Further, the base end side connecting piece portion 23B is formed with a through hole 26B extending along the base end side portion 22a of the base end 22B at the lower portion. A third shaft portion 43B parallel to the first shaft portion 41B is inserted through the through hole 26B.

The base end side connecting piece portion 23B rotatably supports the link plate 511 and the bail 40B, which are configured in substantially the same manner as the link plate 51, centering on the third shaft portion 43B.

The bail 40B is a grip shaft erected between a pair of horizontal arms 402B extending from the link plates 511 on both sides of the base end side portion 22a toward the tip end side portion 22b and the tip portions of the pair of horizontal arms 402B. It has a portion 404B and is formed in a U-shape in a plan view.

In the bail 40B, the base end portion 401B of the horizontal arm 402B is formed in an L-shape in a side view, and the bail protrusion 54B is joined at the corner portion of the L-shape. The bail protrusion 54B projects from the link plate 511.

The bail 40B rotates the link plate 51 toward the base end portion side of the base 22B by rotating around the third shaft portion 43B.
The tip-side connecting piece portion 24B is provided so as to project upward from both side portions of the tip end side portion (the other edge portion) 22b of the base. The tip side connecting piece portion 24B is provided with an elongated hole 25B extending in the vertical direction at the upper portion thereof.

The second shaft portion 42B is inserted into the elongated hole 25B in the extending direction of the tip side portion 22b, that is, in the lateral direction.
The second shaft portion 42B is aligned parallel to the first shaft portion 41B in the front-rear direction, and a latch 60B that engages with the lid member 30B at the central portion is inserted.

The second shaft portion 42B can move in the vertical direction with respect to the base 22B together with the lid member 30B via the latch 60B, but the movement to the horizontal movement is restricted.
A guide strip portion 242B is provided between the tip end side connecting piece portions 24B so that the latch 60B covers from above and guides the movement of the latch 60B. The guide strip portion 242B is formed so that the upper end portion 242a side is round, and guides the swing of the latch 60B that comes into contact with the upper end portion 242a. The latch 60B is configured to be movable in the vertical direction with respect to the base 22B via the second shaft portion 42B.

Further, a through hole 26B that opens laterally is provided in the lower portion of the tip side connecting piece portion 24B, and the fourth shaft portion extending along the tip side portion 22b of the base 22B is provided in the through hole 26B. 44B is inserted to rotatably support the fourth shaft portion 44B.
In this way, in the base end side connecting piece portion 23B and the tip end side connecting piece portion 24B, the first shaft portion 41B and the third shaft portion 43B are arranged along both sides and can move in the vertical direction. Is supported by.

With the vertical movement of the first shaft portion 41B and the second shaft portion 42B, the lid member 30B moves in the contacting / separating direction with respect to the base 22B, and is on the base end side portion 22a side of the base 22B. It is in a state of being pivotally supported with respect to the base 22B via the 1-axis portion 41B. In the present embodiment, the base end side connecting piece portion 23B also has a function as a hinge portion for rotating the lid member 30B with respect to the base 22B together with the first shaft portion 41B.

Both ends of the first shaft portion 41B and the third shaft portion 43B extend from the base end side connecting piece portion 23B to both sides. Further, both ends of the second shaft portion 42B and the fourth shaft portion 44B extend from the tip end side connecting piece portion 24B to both sides. Both ends of the first shaft portion 41B and the third shaft portion 43B, and both ends of the second shaft portion 42B and the fourth shaft portion 44B are connected to the first cross plate 55B and the second cross plate 56B, respectively. Has been done.

The pressing mechanism portion 50B includes first to fourth shaft portions 41B to 44B, a first cross plate 55B, and a second cross plate 56B.
The first cross plate 55B and the second cross plate 56B extend in the front-rear direction on both sides of the socket 10B, are arranged so as to overlap each other in a cross shape, and are rotatably connected by a central shaft portion 57B overlapping with each other. ing.

The first shaft portion 41B is inserted into the escape hole 53B of the link plate 511 through the through hole 552a of the first cross plate 55B and the elongated hole 562a of the second cross plate 56B.
The third shaft portion 43B is inserted into the shaft hole portion of the link plate 511 by inserting the elongated hole 552b of the first cross plate 55B and the through hole 562b of the second cross plate 56B.
The second shaft portion 42B is fixed by inserting the elongated hole 554a of the first cross plate 55B and the through hole 564a of the second cross plate 56B so as not to come off.
The fourth shaft portion 44B inserts the through hole 554b of the first cross plate 55B and the elongated hole 564b of the second cross plate 56B.

The first shaft portion 41B and the second shaft portion 42B for moving the lid member 30B are connected to the base end side via the first cross plate 55B, the second cross plate 56B, the third shaft portion 43B, and the fourth shaft portion 44B. It is connected to the one-sided portion 23B and the tip-side connecting piece portion 24B.

The first cross plate 55B is connected to the proximal end side connecting piece portion 23B and the distal end side connecting piece portion 24B via the first shaft portion 41B and the fourth shaft portion 44B. The first cross plate 55B is rotatable with respect to the base 22B within the length of the elongated hole 25B of the base end side connecting piece portion 23B through which the first shaft portion 41B is inserted centering on the fourth shaft portion 44B. It has become.

The second cross plate 56B is connected to the proximal end side connecting piece portion 23B and the distal end side connecting piece portion 24B via the third shaft portion 43B and the second shaft portion 42B. The second cross plate 56B is rotatable with respect to the base 22B within the length of the elongated hole 25B of the tip side connecting piece portion 24B through which the second shaft portion 42B is inserted centering on the third shaft portion 43B. It has become.

The link plate 511 has a rectangular plate shape, and connects both ends of the first shaft portion 41B and the third shaft portion 43B extending from the base end side connecting piece portion 23B to both sides.
The link plate 511 is formed in a rectangular plate shape, and is arranged in the base end side connecting piece portion 23B of the base end side portion 22a of the base 22 in the socket 10B.

The link plate 511 is connected to the third shaft portion 43B and rotates with the third shaft portion 43B as a rotation axis. Further, the link plate 511 has a function of displacing the first shaft portion 41B in the vertical direction by rotating the link plate 511.

The link plate 511 is provided with an arc-shaped relief hole 53B centered on the position of the third shaft portion 43B, and the first shaft portion 41B is arranged through the relief hole 53B so as to be relatively movable.

The lengths between both end portions of the escape hole 53B and the position of the third shaft portion 43B, which is the rotation axis of the link plate 511, are different from each other.

That is, at the other end of the escape hole 53B, rather than the length to the center of the base end side hole portion 532 and the third shaft portion 43B (or the fourth shaft portion 44B), which is one end of the escape hole 53B. The length to the center of a certain tip side hole portion 534 and the third shaft portion 43B is longer. By adjusting this difference with the length of the elongated hole 25 of the base end side connecting piece portion 23 and the tip end side connecting piece portion 24B, it is possible to change the separation position of the lid member 30 with respect to the base 22. ..

The link plate 511 has a bail protrusion 54B protruding laterally. The bail 40B is joined to the link plate 511 by fitting the base end portion 401B of the bail 40B to the bail protrusion 54B and the third shaft portion 43B.

In the state shown in FIGS. 23 and 24, the link plate 511 rotates about the third shaft portion 43B, so that the first shaft portion 41B in the relief hole 53B slides on the relief hole 53B to form a third. It moves to the tip side hole portion 534 away from the shaft portion 43B. Along with this, the first shaft portion 41B is guided upward by the elongated hole 25B of the base end side connecting piece portion 23B and the elongated hole of the second cross plate 56B. At this time, in the first cross plate 55B, the base end side connecting piece portion 23B rotates upward around the central shaft portion 57B due to the upward movement of the first shaft portion 41B. Further, in the second cross plate 56B, the joint portion of the base end side connecting piece portion 23B with the third shaft portion 43B will move upward, and the position of the third shaft portion 43B of the end portion on the distal end side will move downward. However, the fourth shaft portion 44B does not displace in the proximal end side connecting piece portion 23B. Therefore, the position of the second shaft portion 42B rises vertically.

As a result, the first shaft portion 41B and the second shaft portion 42 move perpendicularly to the socket body 20B (base 22B) in a direction away from each other.

The lid member 30B has a lid main body 32B and a pressing portion 34B. The lid member 30B is formed in a plate shape, and when it is located on the base 22B, it is arranged above the base 22B and parallel to the base 22B.

The lid body 32B is formed in a rectangular frame shape attached to the upper part of the pressing portion 34B. In the lid main body 32B, the first shaft portion 41B is inserted through the base end portion 32a side of the lid main body 32B.

On the other hand, the tip portion 32b of the lid main body 32B is provided with an engaged portion 322B to which the claw portion 62B, which is the engaging portion of the latch 60B, is engaged.

The engaged portion 322B of the lid main body 32B engages with the claw portion 62B of the latch 60B, and the upward movement with respect to the claw portion 62B is restricted. The lower surface of the engaged portion 322B is inclined from the tip end to the base end. With this configuration, even when the engaged portion 322B is not engaged with the claw portion 62B and the engaged portion 322B is on the claw portion 62B of the latch 60B, when the engaged portion 322B is pressed downward, the engaged portion 322B is pressed downward. The engaged portion 322B slides on the upper portion of the claw portion 62B. Next, the claw portion 62B rotates about the fourth shaft portion 44B and is pushed out toward the tip portion. The engaged portion pushes away the claw portion 62B and moves downward. Next, when the engaged portion 322B reaches the engaged position, the claw portion 62B is released from the pressed state toward the tip end side by the engaged portion 322B, returns to the original position, and engages with the engaged portion 322B. do.

Since the pressing portion 34B is formed in the same manner as the pressing portion 34, detailed description thereof will be omitted. The pressing portion 34B has a pressing surface 341 arranged above the internal opening (position of the contact pin unit) of the base 22B so as to cover the accommodated electrical component. The pressing portion 34 includes a convex heat radiating portion 344B that protrudes upward and has a heat radiating function at the center of the upper surface of the plate-shaped main body (pressing main body portion) formed in the shape of a rectangular plate. The heat radiating portion 344 is engaged with the opening inside the lid main body 32B.

The latch 60B is rotatably attached by the second shaft portion 42B. Further, the latch 60B is provided so as to be able to move up and down together with the lid member 30B as the second shaft portion 42B moves up and down. Further, when the latch 60B moves upward with respect to the base 22B, the latch 60B moves to a position where the engaging recess 64B at the lower portion of the latch 60B engages with the upper end portion 242a of the guide strip portion 242. In this state, the latch 60B rotates about the second shaft portion 42B and can be engaged with and disengaged from the engaged portion 322B.

First, when the bail 40B is rotated toward the base end side from the states shown in FIGS. 21 to 27, the link plate 511 to which the bail 40B is connected rotates about the third shaft portion 43B (here, in the figure). Rotate clockwise).

At this time, the escape hole 53B of the link plate 511 on the base end side guides the first shaft portion 41B, and the first shaft is along the long hole 25B of the base end side connecting piece portion 23B and the long hole of the second cross plate 56B. The portion 41B moves upward.

Further, the base end side of the first cross plate 55B is displaced so that the second cross plate 56B also operates, and the first shaft portion 41B and the second shaft portion 42B are the elongated holes 25 of the base end side connecting piece portion 23B. Move vertically upward from the lower position. The lid main body 32 connected to the first shaft portion 41B at the base end portion 32a and the latch engaged with the tip end portion 32b of the lid main body 32 and connected to the third shaft portion move vertically upward.

In the socket 10B, the pressing mechanism portion 50B has a plurality of shaft portions 41B and 42B provided parallel to each other and extending to both sides of the pressing portion 34B on the distal end side and the proximal end side of the pressing portion 34B, respectively. .. Further, the pressing mechanism portion 50B has a plurality of link plates 511 rotatably provided on both sides of the pressing portion 34B. Further, the pressing mechanism portion 50B has a connecting mechanism portion arranged by connecting the plurality of link plates 511 and the plurality of shaft portions 41B and 42B. By rotating the plurality of cam portions 58, the connecting mechanism portion moves the plurality of shaft portions 41B and 42B in parallel to each other and at the same time so as to change the height position with respect to the base 22B to move the pressing surface. It has a connecting mechanism that moves vertically.

Further, the socket 10B has a link plate (cam portion) 511 as a plurality of cam portions. The link plate 511 has an escape hole (guide hole) 53B into which the first shaft portion 41B of the plurality of shaft portions is inserted. The rotation guides the first shaft portion 41B in the vertical direction through the relief hole 53B to displace the height position of the first shaft portion 41B. The link plate 511 functions as a plurality of proximal guide cam portions of the socket. The connecting mechanism portion is connected to a first cross plate (first bar) 55B that rotates due to the displacement of the first shaft portion 41B, and to the second shaft portion 42B and the first cross plate 55B of the plurality of shaft portions. It has a second cross plate (second bar) 56B that moves the second shaft portion 42B in the vertical direction with the same displacement as the first shaft portion 41B by moving the first cross plate 55B.

As described above, in the socket 10B, the lid member 30B that opens and closes with respect to the base 22B is arranged above the base 22B, and the pressing portion 34B moves perpendicularly to the base 22B only by rotating the bail 40B. Can be made to.

That is, the horizontal arm 402B of the bail 40B is rotated from the vertical state to the horizontal state to bring it into the state shown in the figure, that is, the pressing portion 34B moves vertically only by rotating the bail 40B. As a result, the pressing portion 34B can press the electric component housed in the base 22B downward with an even force over the entire surface. As a result, when inspecting the performance of the IC package as an electric component, and when connecting the terminal of the IC package to the terminal of the inspection device, the connection can be reliably and stably.

(Embodiment 4)
29 is an overall perspective view of the socket according to the fourth embodiment of the present invention, FIG. 30 is a right side view of the socket according to the fourth embodiment of the present invention, and FIG. 31 is an embodiment of the present invention. FIG. 32 is an upward exploded perspective view showing a main component configuration of the socket according to the fourth embodiment, FIG. 32 is a downward exploded perspective view showing the main component configuration of the socket, and FIG. 33 is the fourth embodiment of the present invention. It is a figure which shows the state which the lid member was removed from the movable frame part in the said socket.

The socket 10C is an IC socket as an "electric component socket", and has the same effect as the socket 10 of the first embodiment, although the configuration of the pressing mechanism portion is mainly different. The socket 10C is arranged on a wiring board (not shown) as in the first to third embodiments, and is used as a test device for a continuity test such as a burn-in test for an electric component such as an IC package as an inspected object. Be done.

The socket 10C is an opening / closing body including a socket main body 20C for accommodating electrical parts and a lid member 30C which can be opened and closed and attached to the socket main body 20C from the upper surface side. In the socket 10C, the lid member 30C has a lid main body 32C and a pressing portion 34C, and the socket main body 20C has a bail 40C and a pressing mechanism portion 50C. In addition, the socket 10C has a frame-shaped movable frame portion (frame-shaped body) 52 arranged so as to surround the IC package.
A pressing portion 34C is attached to the movable frame portion 52 so as to be openable and closable so as to cover the inside of the movable frame portion 52.

The socket 10C accommodates the IC package in the socket body 20C provided with the movable frame portion 52, covers the lid member 30C attached to the socket body 20C via the movable frame portion 52, and closes the socket 10C. In this state, by rotating the bail 40C, the pressing portion 34C is fully in contact with the IC package via the pressing mechanism portion 50C, and the IC package is vertically pressed downward to move. As a result, the IC package is moved downward and connected to the terminal on the socket body 20C side.

The socket 10C shown in FIGS. 29 to 33 shows a state in which the socket 10C is not pressed downward. That is, in the socket 10C, the pressing portion 34C moves downward by rotating the bail 40C toward the tip end side. As a result, if the IC package is placed below the pressing portion 34C, the IC package is pressed downward.

I will explain in detail. In the socket 10C, the lid member 30C is rotatably connected to the socket body 20C on one edge side as the base end side, and on the opposite side, the lid member 30C is engaged with the socket body 20C via the latch 60C. The mating edge side is the tip side. Further, the direction horizontally orthogonal to the base end portion and the tip end side will be referred to as a side (side portion side).

The socket body 20C has a frame-shaped base 22C arranged on a wiring board, a pressing mechanism portion 50C, and a bail 40C.

The base 22C has a rectangular frame shape, and the base end side connecting portion 23C, the central connecting portion 27, and the tip side connecting portion 24C stand on each of the pair of side edges extending in the front-rear direction with predetermined spaces. It is set up. Inside the base 22C, a contact pin unit in which a large number of contact pins are arranged is arranged. In addition, in FIGS. 31 and 32, only the bottom plate of the contact pin unit is shown. The base 22 surrounds and supports the contact pin. An electrical component accommodating portion 21 is provided on the upper side of the contact pin unit. When the electric component arranged in the accommodating portion 21 is pushed down from above, the terminal on the lower surface of the electric component comes into contact with a large number of contact pins.

The movable frame portion (frame-shaped body) 52 is arranged on the base 22C and is a frame-shaped body corresponding to the shape of the base 22C, and the lid member 30C is placed on the upper surface.
The movable frame portion 52 is provided so as to be vertically movable on the base 22C with respect to the base 22C via the base end side connecting portion 23C and the tip end side connecting portion 24C.

The movable frame portion 52 is arranged at a position corresponding to the rectangular frame-shaped internal opening of the base 22C in a state where horizontal movement is restricted by a guide member 228 such as an inner rib.

The outer peripheral surfaces of the side portions 520a and 520b of the movable frame portion 52 are provided with recesses 524 having a shape that engages with the central connecting portion 27. By engaging the recess 524 with the central connecting portion 27, the horizontal movement of the movable frame portion 52 is restricted, and the movable frame portion 52 is moved up and down by the central connecting portion 27 in the vertical direction, that is, with respect to the base 22C. The structure is such that it is guided only in the vertical direction of.

The upper surfaces of the side portions 520a and 520b of the movable frame portion 52 are provided on the central connecting portion 27, and the cam portion 58C pivotally supported by the shaft portion extending parallel to the upper surfaces of the side portions 520a and 520b of both sides abuts. ..
The base end side connecting portion 23C, the central connecting portion 27, and the tip end side connecting portion 24C are integrally formed with the base 22C. The base end side connecting portion 23C, the central connecting portion 27, and the tip end side connecting portion 24C together with the movable frame portion 52, the urging member 521, and the cam portion 58C form a pressing mechanism portion 50C.

The base end side connecting portion 23C and the tip end side connecting portion 24C have an elongated hole 25C extending in the vertical direction at the same height position at a predetermined distance from the upper surface of the base 22C.

In the elongated hole 25C, the base end side shaft portion 41C, through which each of the base end side side portion (base end side portion) and the tip end side side portion (tip end side portion) of the movable frame portion 52 is inserted from the side, The tip side shaft portion 42C is inserted. The proximal end side shaft portion 41C and the distal end side shaft portion 42C can move in the elongated hole 25C in the extending direction of the elongated hole.

The base end side connecting portion 23C and the tip end side connecting portion 24C movably support the movable frame portion 52 from the base 22C in the contacting / separating direction.
An engaged portion 526 with which the claw portion 62C of the latch 60C of the lid member 30C is engaged is provided on the side portion on the tip end side of the movable frame portion 52.
An urging member 521 is provided between the movable frame portion 52 and the base 22C. The urging member 521 urges the movable frame portion 52 upward, that is, in a direction away from the base 22.

Therefore, when no load is applied, the movable frame portion 52 is urged by the urging member 521 by the elongated holes 25C of the base end side connecting portion 23C and the tip end side connecting portion 24C, and is separated from the base 22C. It is in a state of being regulated by (see FIG. 30).

The central connecting portion 27 is rotatably attached with the cam portion 58 rotated around the rotating shaft portion 47C.

When the cam portion 58 rotates, the surface in contact with the movable frame portion 52 is displaced, and the degree of pressing of the movable frame portion 52 by the cam portion 58 changes depending on the rotation angle.
Specifically, due to the rotation of the cam portion 58, the movable frame portion 52 is displaced in the contact / separation direction perpendicularly to the base 22C.

The cam portion 58 is connected to the bail 40C. The bail 40C is attached to the rotating shaft portion 47C parallel to the handle shaft portion 404C via the cam portion 58C connected to the base end portion of the pair of horizontal arms 402C extending orthogonally from both ends of the handle shaft portion 404C. It is fixed. The bail 40C is provided so as to be rotatable in the front-rear direction with respect to the socket body 20 around the rotation shaft portion 47C.

The horizontal arm 402C of the bail 40C is formed with a stopper hole 424 in which both ends of the base end side connecting portion 23C or the tip end side connecting portion 24C are engaged. As a result, when the bail 40C is rotated and the handle shaft portion 404C of the bail 40C is positioned horizontally with respect to the socket body 20C toward the tip end side and the base end portion side respectively, the bail 40C is moved. Can be positioned.

The lid member 30C is formed in a plate shape and is arranged on the movable frame portion 52. The lid member 30C has a proximal end portion through which the proximal end side shaft portion 41C is inserted, and a distal end portion to which the latch 60C is rotatably attached. Further, relief portions (concave portions) for preventing interference with the cam portion 58C are provided on both side portions of the lid member 30C.

The lid member 30C is arranged on the movable frame portion 52, and is rotatably attached to the movable frame portion 52 centering on the base end side shaft portion 41C. In the socket 10C, the lid member 30C is attached to the movable frame portion 52 in a state of being urged in the opening direction by the urging member 303. The urging member 303 is, for example, a coil spring, and the coil portion is externally inserted into the base end side shaft portion 41C, and both ends thereof are engaged with the movable frame portion 52 and the base end portion 32a of the lid member 30C in an open state. I'm letting you. As a result, the operation of opening the lid member 30C can be easily performed.

The lid member 30C has a plate-shaped lid main body 32C having an opening in the center, and a pressing portion 34C attached to the lower part of the lid main body 32C with a convex heat radiating portion inserted in the opening.

The lid main body 32C is arranged so as to surround the heat radiating portion 344C and cover the pressing main body portion 345 from above.

The latch 60C is arranged in a notch formed at the tip portion, and a latch shaft 48C for laterally inserting the inside of the notch is inserted in the latch 60C. The latch 60C rotates about the latch shaft 48C. The latch 60C projects toward the base 22C and is provided with a claw portion 62C to engage with the engaged portion.

The claw portion 62C engages with the engagement hole of the tip side connecting portion 24C of the base 22C. The latch 60C has a claw portion 62C and an engaged portion by operating the knob portion 65 to rotate the latch 60C around the latch shaft 48C in a state where the lid member 30C is closed with respect to the base 22C. Can be disengaged.

The pressing portion 34C is integrally provided on the pressing main body portion 345 and the pressing main body portion 345 arranged so as to cover the electric components to be accommodated above the internal opening (position of the contact pin unit) of the base 22C. It also has a heat dissipation unit 344C. The pressing main body portion 345 is formed in the shape of a rectangular plate, and is formed by projecting a heat radiating portion 344C at the center of the upper surface of the plate-shaped portion whose lower surface is the pressing surface 341. The pressing main body portion 345 is made of, for example, a material having thermal conductivity such as aluminum, iron, copper, etc., and dissipating heat from the IC package pressed by the pressing surface 341.

The lid member 30C is placed on the movable frame portion 52, fixed to the movable frame portion 52 by engaging the latch 60C and the engaged portion, and the pressing portion 34C and the movable frame portion 52 are integrally integrated. do. In this state, the pressing portion 34C can press the IC package installed in the base 22C, that is, in the movable frame portion 52.

The IC package is housed in the socket 10C, the lid member 30C is closed with respect to the movable frame portion 52 of the base 22C, and the latch 60C is engaged with the engaged portion, whereby the lid member is placed on the movable frame portion 52. Fix 30C.

Then, rotate the bail 40C. In the socket 10C shown in FIGS. 29 to 33, the bail 40C is rotated from the tip end side to the base end portion side. As a result, the cam portion 58C rotates (for example, rotates in the direction of the arrow in FIG. 33), and the length in the vertical direction from the contact surface between the cam portion 58C and the movable frame portion 52 to the rotation shaft portion 47C is changed. Then, the movable frame portion 52 is moved to the base 22C side against the urging force of the urging member 521.

As a result, the pressing portion 34C moves vertically to the base 22C side together with the movable frame portion 52, and the IC package is pressed downward on the entire surface of the pressing surface. At this time, the bail 40C is positioned horizontally toward the base end portion side, and both ends of the base end side shaft portion 41C are internally fitted in the stopper holes to maintain the pressed state against the IC package.

Further, by rotating the bail 40C from the base end side to the tip end side, the cam portion 58C is rotated, and the contact surface between the cam portion 58C and the movable frame portion 52 and the rotation shaft portion 47C in the vertical direction. Increase the length and separate them from each other. As a result, the pressing state of the pressing portion 34C on the IC package is released.

The pressing portion 34C is attached to a movable frame portion (frame-shaped body) 52 arranged so as to surround the IC package so as to be openable and closable so as to cover the IC package, and the base end side shaft portion 41C and the tip end side shaft portion 42C are attached. , Is provided in the movable frame portion 52. The movable frame portion 52 is provided so as to be vertically movable in the vertical direction with respect to the base 22C via the base end side shaft portion 41C and the tip end side shaft portion 42C. The cam portion 58C is slidably provided on the base 22C on the movable frame portion 52, and the movable frame portion 52 is pressed toward the base 22C by sliding, so that the movable frame portion 52 is attached to the base 22C. On the other hand, it is moved vertically.

As described above, in the socket 10C, the lid member 30C that opens and closes with respect to the base 22 can use the pressing portion 34C as the base simply by installing the IC package in the accommodating portion with the base 22C and rotating the bail 40. It can be moved perpendicular to 22C.

That is, simply by rotating the horizontal arm 402C of the bail 40C so as to change from the horizontal state toward the tip end side to the horizontal state toward the base end portion side, the pressing portion 34C moves vertically and is evenly formed over the entire surface. The electrical component can be pressed downward with a force. As a result, when inspecting the performance of the IC package as an electric component, and when connecting the terminal of the IC package to the terminal of the inspection device, the connection can be reliably and stably.

(Embodiment 5)
34 is an overall perspective view of the socket according to the fifth embodiment of the present invention, FIG. 35 is a right side view of the socket according to the fifth embodiment of the present invention, and FIGS. 36 to 39 are respectively. 35 is a cross-sectional view taken along the line FF, a cross-sectional view taken along the line GG, a cross-sectional view taken along the line WH, and a cross-sectional view taken along the line JJ. Further, FIG. 40 is a view for explaining the relationship between the tip side cam portion and the cam groove portion, and FIG. 41 is a perspective view of the front end side cam portion as viewed from the engaging cam portion side.

The socket 10D is an IC socket as an "electric component socket", and has the same effect as the socket 10 of the first embodiment, although the configuration of the pressing mechanism portion is mainly different.

The socket 10D is mounted on the wiring board 2 and has a socket body 20D capable of accommodating an electric component, for example, an IC package from the upper surface side. In the socket 10D, a lid member 30D having a pressing portion 34D is attached to the socket body 20D so as to be openable and closable. The socket body 10D further includes a bail 40D and a pressing mechanism portion 50D.

The lid member 30D approaches or separates from the base 22D while being restricted from moving in the horizontal direction by the pressing mechanism portion 50D by the rotation operation of the bail 40D in a state where the lid member 30D is closed with respect to the accommodating portion 21D of the socket body 20D. Move to do.

In the socket 10D, the IC package is housed in the socket body 20D and the lid member 30D is closed. Then, by rotating the bail 40D, the lid member 30D presses the IC package via the pressing mechanism portion 50D, moves the IC package downward, and connects the IC package to the terminal on the socket body 20D side. The socket 10D shown in FIGS. 34 to 39 shows a state in which an IC package (not shown) is pressed, that is, the lid member 30D is located at a pressing position for pressing the IC package below.

In the following, one edge side of the lid member 30D rotatably connected to the socket body 20D via the base end side shaft portion 41D is set as the base end portion side, and the opposite edge portion side is the tip portion. The side will be described, and the edge side separated from the base end side and the tip end side in a direction orthogonal to the base end side will be described as the side portion side.

The lid member 30D has a lid main body 32D and a pressing portion 34D. The lid member 30D is formed in a plate shape, and when it is located in the base 22D, it is arranged in parallel with the base 22D and the contact pin unit 28.

The lid body 32D is formed in a rectangular frame shape attached to the upper part (convex portion 344D) of the pressing portion 34D. In the lid main body 32D, the base end portion 32a of the lid main body 32D is rotatable with respect to the lid member connecting portion (portion on the base end side) 38 via the rotation shaft portion 33. On the other hand, the tip portion 32b of the lid main body 32D is provided with an engaged portion 322D to which the claw portion 62D, which is the engaging portion of the latch (portion on the tip side) 60D, is engaged.

The engaged portion 322D engages with the claw portion 62D of the latch 60D, and the upward movement of the engaged portion 322D is restricted with respect to the claw portion 62D. The lower surface of the engaged portion 322D is inclined from the tip end to the base end. With this configuration, even when the engaged portion 322D is not engaged with the claw portion 62D and the engaged portion 322D moves downward from above the claw portion 62 of the latch 60D, the engaged portion 322D is moved downward. When pressed, the engaged portion 322D slides on the upper portion of the claw portion 62D. Next, the claw portion 62D rotates about the tip end side shaft portion 42D and is pushed out to the tip end portion side. The engaged portion 322D pushes away the claw portion 62D and moves downward, and when the engaged portion 62 reaches the engaged position, the claw portion 62 is released from the pressed state toward the tip portion side by the engaged portion 322D and returns to the original position. It returns and engages with the engaged portion 322D.

The pressing portion 34D has a pressing surface 341 arranged above the internal opening (position of the contact pin unit) of the base 22D so as to cover the accommodated electrical components. The pressing portion 34D is formed in the shape of a rectangular plate, and a convex portion 344D is formed so as to project upward in the central portion of the upper surface and engage with the opening inside the lid main body 32.

The socket body 20D has a frame-shaped base 22D arranged on the wiring board 2, a latch 60D, and a contact pin unit 28 (mainly see FIGS. 36 and 37).

The contact pin unit 28 is arranged inside the base 22D. The contact pin unit 28 has a large number of contact pins arranged through a plurality of plates spaced apart from each other. An electrical component accommodating portion 21 is formed on the upper surface of the following plate located at the uppermost position in the contact pin unit 28. When the electric component arranged in the accommodating portion 21 is pushed down from above, the terminal on the lower surface of the electric component comes into contact with a large number of contact pins.

The base 22D is formed in a rectangular frame shape surrounding the contact pin unit 28. The base 22D supports a lid member 30D that is openably and closably attached to the base 22D and is movably attached up and down via the pressing mechanism portion 50D.

The base end side connecting portion 23D and the tip end side connection are connected to both sides of the base end side portion 22a and the tip end side portion 22b of the base 22D so as to stand up from both side portions of the base end side portion 22a and the tip end side portion 22b. A portion 24D is provided.

The base end side connecting portion 23D and the tip end side connecting portion 24D each have a pair of wall portions facing each other in the lateral direction. The proximal end side shaft portion 41D and the distal end side shaft portion 42D are erected between the pair of wall portions along the proximal end side connecting portion 23D and the distal end side connecting portion 24D at predetermined intervals from the upper surface of the base 22D, respectively. Has been done.

The proximal end side connecting portion 23D and the distal end side connecting portion 24D are projected on the proximal end side connecting portion 23D and the distal end side connecting portion 24D and between a pair of walls, and the proximal end side shaft portion 41D and the distal end side shaft are provided. A connecting convex portion 235 and 245 are formed to insert and support the portion 42D.

The base end side shaft portion 41D is inserted through the lid member connecting portion 38 to which the lid member 30D is openably and closably attached and the base end side cam portion 702 which is a part of the pressing mechanism portion 50D.

The lid member connecting portion 38 has a pair of facing walls having an elongated hole through which the proximal end side shaft portion 41D is inserted, and is configured to be movable up and down with the proximal end side shaft portion 41D inserted through the elongated hole as a guide. ing.

Further, in the lid member connecting portion 38, the rotating shaft portion 33 is erected between the pair of wall portions, and the rotating shaft portion 33 inserts the base end portion 32a of the lid member 30D. An urging member 306 (for example, a torsion spring externally attached to the rotating shaft portion 33) may be arranged in the lid member connecting portion 38 to urge the lid member 30D in the opening direction.

In the present embodiment, the lid member 30D is rotatably attached to the lid member connecting portion 38 via the rotating shaft portion 33, and is urged in the opening direction by the urging member 306. As a result, if the engagement with the latch 60 is released, the lid member 30D can be easily opened and the IC package can be easily taken out and set.

The pressing mechanism portion 50D has a base end side cam portion 702, a tip end side cam portion 704, a connecting arm portion 70D, and cam shafts 703 and 705. The pressing mechanism portion 50D also includes a proximal end side connecting portion 23D, a distal end side connecting portion 24D, a proximal end side shaft portion 41D, and a distal end side shaft portion 42D.

The tip side shaft portion 42D inserts and supports the latch 60D that engages with the tip portion of the lid member 30D, the bail 40D, and the tip side cam portion 704 that is a part of the pressing mechanism portion 50D. The tip side shaft portion 42D rotatably supports the latch 60D and rotatably supports the base end portion 401D of the bail 40D.

When the latch 60D is engaged with the lid member 30D and moves upward, the lid member 30D also moves upward, and when the latch 60D moves downward, the lid member 30D also moves downward.
The latch 60D moves up and down in a state of being engaged with the lid member 30D by the rotation of the tip side cam portion 704.

The lid member 30D can move up and down via the lid member connecting portion 38 and the latch 60D only for the base end side shaft portion 41D and the tip end side shaft portion 42D erected on the base 22D (FIGS. 35 to 38). In the state shown in, it can be moved upward).

The base end side cam portion (another cam portion) 702 is rotatably fixed to the base end side connecting portion 23D via the base end side shaft portion 41D. The base end side cam portion 702 corresponds to another cam portion. As shown in FIGS. 37 and 38, the proximal end side cam portion 702 is projected axially from the proximal end side cam main body 702a to which the proximal end side shaft portion 41D is joined and the proximal end side cam main body 702a. It has an engaging cam portion 702b. The engaging cam portion 702b is rotatably arranged in a concave cam groove portion (another cam receiving portion) 382 formed on both side portions of the lid member connecting portion 38.

The engagement cam portion 702b is provided so as to extend from the position of the proximal end side shaft portion 41D in a direction orthogonal to the extending direction of the proximal end side shaft portion 41D. The engaging cam portion 702b has a cam surface on the outer periphery thereof. When the base end side cam portion 702 rotates about the base end side shaft portion 41D, the cam surface of the engagement cam portion 702b is the inner peripheral surface of the cam groove portion 382 and the cam surface of the engagement cam portion 702b (engagement cam portion). The outer peripheral surface of 702b) slides.

When the pressing portion 34D of the lid member 30D located below abuts on the lower end surface 382a of the inner peripheral surface of the cam groove portion 382, the engaging cam portion 702b presses the lower end surface 382a to press the pressing portion 34D. Is pressed downward. In this way, the pressing portion 34D can press an electric component such as an IC package to be inspected against the contact pin unit 28.

On the other hand, as shown in FIGS. 40 and 41, the tip side cam portion (cam portion) 704 projects axially from the tip side cam body 704a to which the tip side shaft portion 42D is joined and the tip side cam body 704a. It has an engaging cam portion 704b and the like.

The engaging cam portion 704b is rotatably arranged in the concave cam groove portion (cam receiving portion) 602 formed on both side portions of the latch 60D. The distal end side cam portion 704 is connected to the proximal end side cam portion 702 via the connecting arm portion 70D, and operates in conjunction with the operation of the proximal end side cam portion 702. That is, when the distal end side cam portion 702 rotates, the proximal end side cam portion 702 rotates in conjunction with the rotation.

The engaging cam portion 704b has a cam surface extending in a direction orthogonal to the distal end side shaft portion 42D from the position of the distal end side shaft portion 42D. When the distal end side cam portion 704 rotates about the distal end side shaft portion 42D, the cam surface of the engaging cam portion 704b slides on the inner peripheral surface of the concave cam groove portion 602.

The engaging cam portion 704b rotates around the tip side shaft portion 42D in one direction (opposite in the direction of the arrow in FIG. 38) and slides on the cam groove portion 602 to provide a pressing portion 34D that moves downward by its own weight. The included lid member 30D is moved while holding the pressing surface 341 in a state parallel to the IC package.

Further, as shown in FIGS. 34 to 38, the engaging cam portion 704b is in a state of pressing the lower end surface 602a when it comes into contact with the lower end surface 602a of the cam groove portion 602 in the lid member 30D located below. .. As a result, the engaging cam portion 704b presses the lid member 30D, which includes the pressing portion 34D and functions as the pressing portion, against the IC package.

Further, the engaging cam portion 704b rotates in the direction opposite to the one-way rotation following the lower part of the lid member 30D (in the direction of the arrow shown in FIG. 38), and slides on the inner peripheral surface of the cam groove portion 602. By this sliding, the lid member 30D (including the pressing portion 34D) is moved upward with respect to the tip end side shaft portion 42D and the proximal end side shaft portion 41D as the support portion in a state where the pressing surface 314 is parallel to the IC package. ..

The cam surface of the engaging cam portion 704b slides on the inner peripheral surface of the cam groove portion 602. The inner peripheral surface of the cam groove portion 602 has a slope portion 6020 as an operating surface for moving the latch 60D upward in a part thereof.
The slope portion 6020 is provided at a position that hinders smooth rotational movement when the engaging cam portion 704b rotates at a predetermined angle (for example, 90 °) (rotation indicated by an arrow in FIG. 38). There is. That is, when the engaging cam portion 704b rotates about the tip side shaft portion 42D, and the cam surface of the engaging cam portion 704b slides on the inclined surface 6020 of the cam groove portion 602 on the inner peripheral surface of the cam groove portion 602. , Press the inclined surface 6020 upward. As a result, the tip-side cam portion 704 rotates (see the arrow in FIG. 38) to push up and move the latch 60D upward.

In conjunction with the operation of the tip side cam portion 704, the base end side cam portion 702 also operates to move the lid member connecting portion 38 upward, and the lid member 30D is the base 22D, and eventually the contact pin unit 28. With respect to the latch 60D, it can move vertically upward (see the arrow in FIG. 38). As a result, the lid member 30D (pressing portion 34D) is held at an upper position away from the base 22D.

Further, the tip end side cam portion 704 is connected to the base end portion 401D of the bail 40D via the bail protrusion 54D, and the tip side cam portion 704 is rotated by rotating the bail 40D. As shown in FIG. 40, the distal end side cam portion 704 has a fitting portion 704c to which the base end portion 401D of the bail 40D is engaged and attached to the bail protrusion 54D. The base end portion 401D of the bail 40D via the bail protrusion 54D and the fitting portion 704c is integrally rotatably and integrally attached to the tip end side shaft portion 42D via the tip side cam portion 704 so that the tip end side shaft portion 42D can be stopped. It is in a state of being.

The bail 40D is configured in substantially the same manner as the bail 40, and has a function similar to pressing by rotating. The bail 40D is rotatably attached around the tip side shaft portion 42D to which the tip end side portion (latch 60D) of the lid member 30D is engaged. The bail 40D has a pair of horizontal arms 402D, and is connected to the tip end side shaft portion 42D via the tip end side cam portion 704 at the base end portion 401D of the pair of horizontal arms 402D. A grip shaft portion 404D is erected between the tips of the pair of horizontal arms 402D.

In the bail 40D, if the grip shaft portion 404D is arranged on the base end side and the horizontal arm 402D is in the horizontal state, the lid member 30D, that is, the pressing portion 34D is positioned downward, and the IC package hits the contact pin unit 28. It is in a state of being in contact. By rotating the bail 40D from this state, the lid member 30D moves upward via the pressing mechanism portion 50D. The lid member 30D (pressing portion 34D) is held at an upper position away from the base 22D, for example, with the pressure on the electrical component side such as an IC package as an inspected object released. When the engagement state between the claw portion 62D of the latch 60 and the engaged portion 322D of the tip portion 32b of the lid main body 32D is released, the lid main body 32D is urged by the urging force of the urging member 306, and the rotating shaft portion 38 Rotates in the direction of opening around. As a result, the electric component can be accommodated in the socket 10D and can be separated from the inside.

The socket 10D has a base 22D on which an IC package (electric component) is placed on the upper surface, a pressing portion 34D arranged above the base 22D and having a pressing surface capable of pressing the IC package, and a pressing portion 34D. While restricting the movement in the horizontal direction, the pressing portion 34D is vertically moved downward while the pressing surface 341 is parallel to the IC package and is supported vertically so as to approach or separate from the base 22D. It has a pressing mechanism portion 50D that presses an electric component toward the base 22D by the pressing portion 34D.

The pressing mechanism portion 50D is provided on each of the tip end side and the proximal end side of the pressing portion 34D in parallel with each other and extending to both sides of the pressing portion 34D. It has a side shaft portion 42D) and a plurality of rotatably provided cam portions (base end side cam portion 702, tip end side cam portion 704) on both sides of the pressing portion 34D. Further, the pressing mechanism portion 50D is arranged by connecting the plurality of cam portions 702 and 704 and the plurality of shaft portions 41D and 42D, and by rotating the plurality of cam portions 702 and 704, the plurality of shaft portions 41D and 42D are formed. On the other hand, the lid member 30D, that is, the pressing portion 34D is simultaneously moved up and down so as to change the height position with respect to the base 22D in a state parallel to each other, and has a connecting mechanism portion for vertically moving the pressing surface 341D. ..

In the socket 10D, a plurality of tip side cam portions (plural cam portions) 704 are provided on both sides of the tip portion 30b of the lid member 30D in the base 22D. Further, a plurality of cam groove portions (plurality of cam receiving portions) 602 on which the distal end side cam portion 704 slides are provided on both sides of the latch 60D (tip portion) of the lid member 30D.

Further, in the base 22D, on both sides of the lid member connecting portion 38 (base end portion) of the lid member 30D, a base end side cam portion 702, which is a cam portion different from the plurality of tip side cam portions 702, is provided. Each is rotatably provided in synchronization with a plurality of front end side cam portions 704. Further, on both sides of the lid member connecting portion (base end portion) 38 of the lid member 30D, a plurality of other cam groove portions 382 on which a plurality of base end side cam portions 702 can each slide are provided. A plurality of tip side cam portions 704 on both sides of the latch (tip portion) 60D abut on the lower end surface 382a of the plurality of cam groove portions 382. At the same time, the plurality of base end side cam portions 702 abut on the lower end surface 382a of the cam groove portion 382 of the lid member connecting portion (base end portion) 38, and the lid member 30D attaches the pressing surface 314 to the IC package. It is pressed in parallel with the package.
Therefore, the socket 10D can be pressed vertically by appropriately applying pressure to an electric component such as an electronic component such as an IC package.

The embodiment of the present invention has been described above. The above description is an example of a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. That is, the description of the configuration of the device and the shape of each part is an example, and it is clear that various changes and additions to these examples are possible within the scope of the present invention.

The opening / closing mechanism according to the present invention has an effect that the opening operation of one opening / closing body and the maintenance of the closed state of the other opening / closing body can be alternately performed by a simple operation, and there are a plurality of pulling points. It is useful for fittings such as windows having an opening / closing body.

2 Wiring board 10, 10A, 10B, 10D Socket 20, 20A, 20B, 20C, 20D Socket body 21 Housing unit 22, 22A, 22B, 22C, 22D Base 22a Base end edge (one edge)
22b Tip edge (the other edge)
23, 23A, 23B Base end side connection piece 23C, 23D Base end side connection part 24, 24B Tip side connection piece part 24A, 24C, 24D Tip side connection part 25, 25B, 25C Long hole 26, 26B, 37a, 37b Through hole 27 Central connecting part 28 Contact pin unit 30, 30A, 30B, 30C, 30D Lid member 32, 32A, 32B, 32C, 32D Lid body 32a Base end 32b Tip 33 Rotating shaft 34, 34A, 34B, 34C , 34D Pressing part 35 Cam contact part 36a, 36b Recessed part 38 Closure member connecting part 40, 40A, 40B, 40C, 40D Vail 41, 41A, 41B 1st shaft part 41C Base end side shaft part (1st shaft part)
41D Base end side shaft part (support part)
42, 42A, 42B 2nd shaft part 42C, 48 Tip side shaft part (2nd shaft part)
42D Tip side shaft part (support part)
43, 43A, 43B 3rd shaft part 44, 44A, 44B 4th shaft part 45 5th shaft part 46 6th shaft part 47, 47C Rotating shaft part 48C Latch shaft 49, 404, 404A, 404B, 404D Grip shaft part 50 , 50A, 50B, 50C, 50D Pressing mechanism part 51, 51-1, 51-2, 511 Link plate 52 Movable frame part 53, 53B Escape hole 54, 54B Vail protrusion 55, 55B 1st cross plate 56, 56B 2nd Cross plate 57, 57B Central shaft part 58, 58C Cam part 59, 70D Connecting arm part 60, 60A, 60B, 60C, 60D Latch 62, 62A, 62B, 62C, 62D Claw part 64, 64B Engagement recess 65 Knob part 235 245 Connecting convex part 242, 242B Guide strip part 242a Upper end part 244 Engagement hole 306 Bouncer 321A Side cover part 322, 322B, 322D, 526 Engagement part 341 Pressing surface 344, 344A, 344C Heat dissipation part 345 Pressing body Part 346 Pressing frame part 382 Cam groove part (another cam receiving part)
401, 401B Base end 402, 402A, 402B, 402C, 402D Horizontal arm 424 Stopper hole 520a, 520b Both sides sides 521, 303 Bouncer 524 Recess 532 Base end hole 534 Tip side hole 581 Cam body 582 Joining Operation part 602 Cam groove part (cam receiving part)
6020 Inclined surface 702 Base end side cam part (another cam part)
702a Base end side cam body 702b Engagement cam part 704 Tip side cam part (cam part)
704a Tip side cam body 704b Engagement cam part 704c Fitting part

Claims (11)

1. A base on which electrical components are placed on the top surface, and
   A pressing portion arranged above the base and having a pressing surface capable of pressing the electric component, and a pressing portion.
   The pressing portion is supported so as to move up and down so as to approach or separate from the base while restricting the movement in the horizontal direction, and the pressing portion is moved downward while the pressing surface is parallel to the electric component. A pressing mechanism unit that moves vertically and presses the electric component toward the base side by the pressing unit, and a pressing mechanism unit.
   Socket with.
2. The pressing mechanism portion
   A support portion that supports the pressing portion so as to be able to move up and down, and a support portion.
   A plurality of cam portions rotatably provided on the base side on both sides of the pressing portion, and
   A plurality of cam receiving portions provided on the pressing portion side and capable of sliding the plurality of cam portions, respectively.
   Have,
   The cam portion rotates in one direction and slides on the cam receiving portion to move the pressing portion that moves downward by its own weight while holding the pressing surface in a state parallel to the electric component. ,
   The socket according to claim 1.
3. When the cam portion abuts on the lower end surface of the cam receiving portion on the pressing portion side located below, the cam portion presses the lower end surface and presses the pressing portion against the electric component.
   The socket according to claim 2.
4. The plurality of cam portions are provided on both sides of the tip portion of the pressing portion in the base.
   The plurality of cam receiving portions are provided on both sides of the tip end portion of the pressing portion.
   In the base, on both sides of the base end portion of the pressing portion, cam portions different from the plurality of cam portions are rotatably provided in synchronization with the plurality of cam portions.
   A plurality of different cam receiving portions are provided on both sides of the base end portion of the pressing portion so that the plurality of different cam portions can each slide.
   When the plurality of cam portions on both sides of the tip portion abut on the lower end surfaces of the plurality of cam receiving portions, the plurality of the other cam portions simultaneously provide the other cam portions of the base end portion. The pressing portion is pressed against the electric component and the pressing surface is pressed against the electric component in a state of being in parallel with the lower end surface of the cam portion.
   The socket according to claim 3.
5. The cam portion rotates in the direction opposite to the one direction and slides on the cam receiving portion, so that the pressing portion is moved upward with respect to the support portion while the pressing surface is parallel to the electric component. Move,
   The socket according to any one of claims 2 to 4.
6. The pressing mechanism portion
   A plurality of shaft portions provided parallel to each other and extending to both sides of the pressing portion on each of the tip end side and the base end side of the pressing portion.
   A plurality of rotatably provided cam portions on both sides of the pressing portion, and
   The plurality of cam portions and the plurality of shaft portions are connected and arranged, and the rotation of the plurality of cam portions causes the plurality of shaft portions to be simultaneously parallel to each other in a height position with respect to the base. A connecting mechanism that moves the pressing surface vertically by moving it up and down so as to change,
   Have,
   The socket according to claim 1.
7. The plurality of cam portions are
   It has guide holes provided on both sides of the base end side of the pressing portion and into which the first shaft portion of the plurality of shaft portions is inserted, and the first shaft portion is inserted through the guide holes by rotation. A plurality of proximal end side guide cam portions that guide in the vertical direction and displace the height position of the first shaft portion, and
   It has guide holes provided on both sides on the tip side of the pressing portion and into which the second shaft portion of the plurality of shaft portions is inserted, and the second shaft portion is vertically inserted through the guide holes by rotation. It includes a plurality of tip side guide cam portions that guide in a direction and displace the height position of the second shaft portion.
   The connecting mechanism portion has a connecting arm that connects the cam portion at the tip portion and the cam portion at the base end portion in a synchronous manner.
   The socket according to claim 6.
8. The pressing portion is provided on a cover portion arranged so as to face the base.
   The cover portion has a cover body that can be fixed apart from the base in a state where the electric component is placed on the base.
   The cover body has a flange on which the plurality of cam portions slide.
   The connecting mechanism portion has a support mechanism that supports the pressing portion vertically with respect to the cover body so as to be movable in the vertical direction.
   The plurality of cam portions are provided in the support mechanism, and by sliding on the flange portion, the support mechanism is moved up and down with respect to the flange portion.
   The socket according to claim 6.
9. The plurality of cam portions have a guide hole into which the first shaft portion of the plurality of shaft portions is inserted, and the first shaft portion is vertically guided through the guide hole by rotation. It has a plurality of proximal end side guide cam portions that displace the height position of the first shaft portion, and has a plurality of proximal end side guide cam portions.
   The connecting mechanism portion
   The first bar that rotates due to the displacement of the first shaft portion and
   The second shaft portion of the plurality of shaft portions is connected to the first bar, and the movement of the first bar causes the second shaft portion to move in the vertical direction with the same displacement as the first shaft portion. Has a second bar,
   The socket according to claim 6.
10. The pressing portion is attached to a frame-shaped body arranged so as to surround the electric component so as to be openable and closable so as to cover the electric component.
    The shaft portion is provided on the frame-shaped body, and the shaft portion is provided on the frame-shaped body.
    The frame-shaped body is provided so as to be vertically movable in the vertical direction with respect to the base via the shaft portion.
    The plurality of cam portions are slidably provided on the base on the frame-shaped body, and the frame-shaped body is pressed toward the base by sliding, and the frame-shaped body is pressed against the base. Move vertically to the table,
    The socket according to claim 6.
11. An inspection socket used to inspect the electrical characteristics of electrical components.
    The socket according to any one of claims 1 to 10.
    Inspection socket.

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