JP2015198021A - Board to board connector - Google Patents

Abstract

Provided is a board-to-board connector in which a connection board can be easily inserted into and removed from a socket, and a plug and a socket can be reliably connected.
A socket includes a slider having a board insertion portion, a socket housing in which the slider is movably held, and a plurality of contacts disposed inside the board insertion portion. And cam plates 24, 24 rotatably supported on the side end surface of the socket housing 21, and an operation shaft 28 held by the slider 21, and the operation groove 27 includes a rotation shaft of the cam plate 24. Are formed in different shapes at both ends, and the contacts 23, 23... Do not contact the inner surface 20a of the substrate insertion portion when the slider 21 is at the substrate insertion position P1, and the slider 21 An operation portion 65 is provided that is pressed against the inner side surface 20a of the board insertion portion when in the connection position P2.
[Selection] Figure 2

Description

  The present invention relates to a board-to-board connector used for connecting a mounting board held in an electronic device, a medical device, or the like to a multipolar cable or its interface.

  2. Description of the Related Art Conventionally, a board-to-board connector has been used to connect a mounting board such as a mother board incorporated in an electronic device or medical device to a multipolar cable or the like.

  This board-to-board connector includes a plug with a built-in connection board connected to a multipolar cable, etc., and a socket into which the connection board is inserted. The plug and socket are connected, and the connection board is in the socket. By being inserted, each signal pad formed on the surface of the connection substrate comes into contact with each contact disposed in the socket, and the multipolar cable and the mounting substrate on which the socket is mounted are electrically connected. It has a structure (see, for example, Patent Document 1).

  The socket includes a housing made of an insulating resin having a board insertion portion into which a connection board is inserted, and a large number of contacts arranged in parallel in the board insertion / removal direction on mutually opposite inner side surfaces of the board insertion portion. By inserting the connection board into the part, the contact part of each contact comes into elastic contact with each signal pad formed on the surface of the connection board.

Special table 2003-535451 gazette

  However, in the conventional technology as described above, when the socket is provided with a large number of contacts and the arrangement thereof is increased in density, the force required for inserting / removing the connection board increases accordingly, and the connection between the plug (connection board) and the socket is increased. There is a risk of hindrance, which has been a cause of hindering miniaturization of connectors and high density of contact arrangement.

  On the other hand, in the interface connection of electronic devices and medical devices, there is an error in the connection direction of the plug and socket, the connection board is inserted in the socket in the wrong direction, or the plug and socket are not securely connected. Then, since it may cause a serious accident, a countermeasure for preventing such poor connection and erroneous insertion is required.

  Therefore, in view of such a conventional problem, the present invention is suitable for reducing the size of the socket and increasing the density of the contact arrangement, easily inserting and removing the connection board from the socket, and securely connecting the plug and the socket. The present invention has been made for the purpose of providing a board-to-board connector that can be used.

  The feature of the invention according to claim 1 for solving the conventional problems as described above and achieving an intended purpose is characterized by comprising a socket into which a connection board is inserted, the mounting board on which the socket is mounted, and the mounting board. In the board-to-board connector for connecting the connection board, the socket includes a slider having a board insertion portion through which the connection board is inserted, and a desired board insertion position and board connection position in the board insertion / extraction direction. A socket housing movably held between the plurality of contacts, a plurality of contacts supported by the socket housing so as to be disposed inside the board insertion portion of the slider, and a pivotally supported side end surface of the socket housing And an operation shaft held by the slider, and an end portion of the operation shaft is formed on a side portion of the socket housing. And projecting from the end face on the socket housing side through the guide groove, and the projecting end is inserted into an operation groove formed in the cam plate, and the operation groove has a different distance from the rotation axis of the cam plate. The contact is formed so as to pass through the position, and the slider moves in conjunction with the rotational movement of the cam plate, and each contact has an inner side surface portion of the substrate insertion portion when the slider is at the substrate insertion position. An operation portion that is pressed against an inner side surface of the substrate insertion portion when the slider is at the substrate connection position, and the connection substrate is connected to the substrate insertion portion in a state where the slider is at the substrate insertion position. Is inserted, and the cam plate is rotated from that state to move the slider to the substrate connection position, so that the operation portion is moved to the inside of the substrate insertion portion. Pressed contact portion of each contact in is in the board-to-board connector which is to be press signal pad formed on the connection substrate.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, the slider includes a plurality of the substrate insertion portions arranged in parallel.

  According to a third aspect of the present invention, in addition to the configuration of the first or second aspect, the connection board is held by a plug coupled to the socket, and the connection is achieved by connecting the plug and the socket. The substrate is inserted into the substrate insertion portion of the slider.

  According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the plug includes a plug housing that holds the connection board, and the plug housing includes a locking protrusion that protrudes from a side end surface thereof. The cam plate is provided with a locking collar portion that engages with the locking protrusion as the slider is moved to the side where the slider is moved to the substrate connection position.

  According to a fifth aspect of the present invention, in addition to the configuration of the fourth aspect, the locking protrusion is arranged so as to be shifted to either one of the plug housing side end faces in the substrate thickness direction.

  As described above, the board-to-board connector according to the present invention includes the socket into which the connection board is inserted, and the board-to-board connector for connecting the mounting board on which the socket is mounted and the connection board, The socket includes a slider having a board insertion portion through which the connection board is inserted, a socket housing in which the slider is held movably between a desired board insertion position and a board connection position in the board insertion / extraction direction, and the slider A plurality of contacts supported by the socket housing so as to be disposed inside the board insertion portion, a cam plate rotatably supported on a side end surface of the socket housing, and an operation held by the slider And an end of the operating shaft is inserted into a socket housing through a guide groove formed in a side of the socket housing. And the projecting end is inserted into an operation groove formed in the cam plate, and the operation groove passes through different positions from the rotation axis of the cam plate. The slider is moved in conjunction with the rotational movement of the cam plate, and the contacts do not contact the inner side surface of the substrate insertion portion when the slider is at the substrate insertion position. An operation unit that is pressed against an inner side surface of the substrate insertion portion when the slider is at the substrate connection position, and the connection substrate is inserted into the substrate insertion portion while the slider is at the substrate insertion position; By rotating the cam plate from the state and moving the slider to the substrate connection position, the operation portion is pressed against the inner surface of the substrate insertion portion, and the contact By connecting the point portions to the signal pads formed on the connection board, the connection board can be inserted / removed without resistance by a zero-inforce (no insertion / extraction force) structure. Touch.

  In the present invention, the plurality of board insertion portions are provided in parallel arrangement on the slider, so that the plurality of connection boards can be connected by a non-insertion / extraction force structure.

  Furthermore, in the present invention, the connection board is held by a plug coupled to the socket, and the connection board is inserted into the board insertion portion of the slider by connecting the plug and the socket. Thus, the socket and the connection substrate can be reliably and easily connected.

  Furthermore, in the present invention, the plug includes a plug housing for holding the connection substrate, the plug housing includes a locking protrusion protruding from a side end surface thereof, and the cam plate includes a slider at the substrate connection position. With the rotation to the side to move the locking projection, the locking hooks that engage with the locking projections are provided, so that the connection board can be firmly connected to the socket and poor contact can be prevented.

  Further, in the present invention, the locking protrusion can be prevented from being inserted erroneously by being shifted to one side of the plug housing side end surface in the substrate thickness direction.

(A) is a front view which shows the use aspect of the board-to-board connector which concerns on this invention, (b) is the left view. It is an exploded perspective view same as the above. (A) The front view which shows the plug in FIG. 1, (b) is the bottom view, (c) is the longitudinal cross-sectional view. It is an exploded sectional view same as the above. It is a front view which shows the connection board | substrate in FIG. (A) The front view which shows the socket in FIG. 1, (b) is the top view, (c) is the side view, (d) is the longitudinal cross-sectional view. It is an exploded sectional view same as the above. 7A is a plan view showing the slider in FIG. 7, FIG. 7B is a bottom view thereof, FIG. 7C is a sectional view taken along the line aa, and FIG. 8B is a sectional view taken along the line bb. (A) (b) is a perspective view which shows the outer case in FIG. 7, (c) is the longitudinal cross-sectional view. (A) is a top view which shows the internal housing in FIG. 7, (b) is the front view, (c) is the side view, (d) is a longitudinal cross-sectional view. It is an expansion perspective view which shows the contact in FIG. It is an enlarged side view which shows the cam plate in FIG. (A) of the board-to-board connector is a diagram showing a state when the board is inserted, and (b) is a diagram showing a state when the board is connected. It is a longitudinal cross-sectional view which shows the operation state of a socket, Comprising: (a) is a board | substrate insertion operation | movement, (b) is a state at the time of board | substrate connection. It is a perspective view which shows the other usage condition of the board | substrate connector based on this invention. It is a longitudinal cross-sectional view same as the above.

  Next, an embodiment of the board-to-board connector according to the present invention will be described based on the embodiment shown in FIGS. In the figure, symbol A is a mounting board such as PCB built in an electronic device or medical device, symbol B is a connecting substrate such as PWB connected to a multipolar cable, and symbol 1 is a connecting substrate B to the mounting substrate A. , B are board-to-board connectors.

  The board-to-board connector 1 includes a socket 2 into which connection boards B and B are inserted, and the connection board B and B such as PWB and the mounting board A such as PCB are electrically connected via the socket 2. It has become.

  The board-to-board connector 1 includes a plug 3 connected to the socket 2. The connection boards B and B are held by the plug 3, and the connection boards B and B are connected by connecting the plug 3 and the socket 2. It is inserted into the socket 2.

  In this embodiment, the connecting direction of the plug 3 and the socket 2 (vertical direction in FIG. 1 (a)) is the connector height direction, the horizontal direction in FIG. 1 (a) is the connector width direction, and FIG. The left-right direction in 1 (b) will be described as the connector thickness direction.

  As shown in FIGS. 3 and 4, the plug 3 includes a plug housing 4 that holds the connection boards B and B. The plug housing 4 is an insulating resin-made inner housing 5 and a metal that covers the outside of the inner housing 5. And an outer case 6 made of metal.

  And this plug 3 has both the connection board | substrates B and B penetrated to the internal housing 5 from the upper surface side, and the external case 6 is assembled | attached to the outer side, and the connector height direction both ends of the connection board | substrates B and B are exposed, respectively. It is integrated with.

  As shown in FIG. 5, each of the connection boards B and B is a rectangular printed board having a certain thickness, and a large number of signal pads 7, 7... Are formed in a parallel arrangement.

  On both side edges of the connection boards B and B, holding convex portions 8 and 8 projecting outward in the width direction are integrally formed.

  The inner housing 5 is integrally formed in a rectangular parallelepiped shape with an insulating synthetic resin, and is provided with substrate holding portions 9 and 9 that are open in the upper surface and penetrated in the connector height direction in parallel in the connector thickness direction. The connection boards B and B are inserted into the internal housing 5 from the upper surface side of the portions 9 and 9, and the connection boards B and B are held in the internal housing 5 at a desired position.

  The board holding portions 9 and 9 are formed in the shape of an elongated rectangular hole into which the connection boards B and B are fitted, and the holding convex parts 8 and 8 of the connection boards B and B are held on both sides in the connector width direction. Thus, an engaging recess 10 is formed to be engaged.

  Each of the substrate holding portions 9 and 9 is formed with rectangular recess-shaped mounting recesses 11, 11... Facing in the connector height direction on both inner side surfaces facing each other in the connector thickness direction. The connection boards B and B can be inserted even when electronic components are mounted on the B and B.

  The outer case 6 is formed in a rectangular tube shape that is formed of a pair of case members 6a and 6b that can be divided in half in the connector thickness direction, and the inner housing 5 is sandwiched between the case members 6a and 6b. Yes.

  One case member 6b is provided with locking protrusions 12 protruding from both end faces in the connector width direction, and the locking protrusions 12 are arranged so as to be shifted to either one of the plug housing 4 side end faces in the board thickness direction. Yes.

  As shown in FIGS. 6 and 7, the socket 2 includes a slider 21 having board insertion portions 20 and 20 through which the connection boards B and B are inserted, and a desired board insertion position P1 and board in the board insertion direction. A socket housing 22 that is movably held between the connection position P2 and a plurality of contacts 23, 23,... Supported by the socket housing 22 so as to be disposed inside the board insertion portions 20, 20 of the slider 21. And a pair of cam plates 24, 24 rotatably supported on both side end surfaces of the socket housing 22, and an operation shaft 28 held by the slider 21, the end of the operation shaft 28 being the socket housing 22 protrudes from the end surface on the socket housing side through guide grooves 25 and 26 formed on the side portion of 22, and the protruding end portion is formed on the cam plate 24. It is inserted into the operation groove 27.

  As shown in FIG. 8, the slider 21 is integrally formed in a rectangular parallelepiped shape with an insulating resin, and has a flat plate-shaped top plate portion 30 and a protrusion in the connector width direction protruding toward the lower surface side of the center of the top plate portion 30. It comprises a strip-shaped bearing convex portion 31 and side plate portions 32 and 32 having a shape that rises vertically downward from both edges in the connector thickness direction of the top plate portion 30, and the top plate portion 30, the bearing convex portion 31, and both side plate portions Substrate insertion portions 20 and 20 through which the connection substrates B and B are inserted are formed between the bearing convex portion 31 and the side plate portions 32 and 32, respectively.

  The top plate portion 30 is formed with slit hole-shaped insertion holes 33 in accordance with the positions of the substrate insertion portions 20, 20, and the connection substrates B, B are inserted into the substrate insertion portions 20, 20 through the insertion holes 33. It has become so.

  Further, the top plate portion 30 is integrally provided with stopper portions 34 and 34 projecting outward from both edges in the connector width direction, and the stopper portions 34 and 34 are held against the upper edge of the socket housing 22. As a result, the downward movement of the socket housing 22 from a desired position is restricted.

  The bearing convex portion 31 includes a shaft insertion hole 35 penetrating in the connector width direction, and the operation shaft 28 is inserted into the shaft insertion hole 35, and both ends of the operation shaft 28 are connected to both end surfaces of the slider 21 in the connector width direction. It is in a state of being more protruded and is held immovable in the connector height direction and the connector thickness direction.

  The board insertion portions 20 and 20 have a width between the inner side surfaces 20a and 20a facing each other in the connector thickness direction, that is, a distance between the bearing convex portion 31 and the side plate portions 32 and 32 is larger than the thickness of the connection boards B and B. When the connection boards B and B are formed, a space in which the contacts 23, 23... Can be arranged between the connection boards B and B and the inner side surfaces of the board insertion portions 20 and 20 is secured. ing.

  The socket housing 22 includes a synthetic resin inner housing 40, a metal outer case 41 in which the inner housing 40 is accommodated, and synthetic resin contact holding members 42, 42 holding the contacts 23, 23. The inner housing 40 and the contact holding members 42 and 42 are assembled to the outer case 41 from the upper surface side.

  As shown in FIG. 9, the outer case 41 is formed in a bottomed cylindrical shape whose upper surface is opened by a metal material, and on both side end surfaces in the connector width direction, a long slit-like guide groove 25 directed vertically. Is formed.

  In addition, a rectangular window 43 is formed at the bottom of the outer case 41, and bearings 44 and 44 that rotatably support a rotation shaft 54 described later on the inner bottom of the connector in the connector width direction with the window 43 interposed therebetween. Is formed.

  In addition, a shield connection contact member 45 made of a conductive metal material is fixed to both sides of the upper surface of the outer case 41 in the connector width direction so that the outer case 6 of the plug 3 and the outer case 41 of the socket 2 are electrically connected. Is supposed to connect to

  The shield connection contact member 45 includes a flat plate-like fixing portion 46 fixed to the upper surface portion of the outer case 41 and leaf spring-like contact piece portions 47, 47 raised upward from the side edges of the fixing portion 46. When the plug 3 and the socket 2 are connected, the contact portion formed integrally with the upper ends of the contact piece portions 47 and 47 is elastic to the contact portion 48 formed on the inner side surface portion of the outer case 6 of the plug 3. To come into contact.

  As shown in FIG. 10, the inner housing 40 is integrally formed of an insulating resin, and includes a flat plate-like base portion 50, side wall portions 51 and 51 that are raised from both ends of the base portion 50 in the connector width direction, and a base portion 50. Square-tube-shaped contact accommodating projections 52, 52 projecting from the top surface.

  The base portion 50 is provided with a concave holding member fitting portion 53 opened on the lower surface communicating with the inner space of the contact accommodating convex portions 52, 52, and the contact holding members 42, 42 are fitted into the holding member fitting portion 53. It is supposed to be.

  In addition, a bearing groove 55 is formed in the lower surface portion of the base 50 so that the rotation shaft 54 constituting the rotation shaft of the cam plates 24 and 24 is rotatably fitted.

  The contact receiving projections 52, 52 are formed in a rectangular tube shape having both ends opened in the connector height direction, and the board insertion portions 20, 20 of the slider 21 are fitted on the outside of the contact receiving projections 52, 52, The slider 21 is guided by the contact accommodating projections 52, 52 so as to move between a desired board insertion position P1 and a board connection position P2 in the connector height direction.

  In the contact accommodating projections 52, 52, a large number of slit-like contact accommodating grooves 56, 56... That are long in the connector height direction are formed in parallel in the connector width direction on both side walls in the connector thickness direction. The contacts 23, 23... Holding the contacts 23, 23... Are fitted into the holding member fitting portions 53, so that the contacts 23, 23. .. Are accommodated so as not to interfere with the contact accommodating convex portion 52, and the contacts 23, 23... Are arranged inside the board insertion portions 20, 20.

  In the side walls 51, 51, a longitudinally elongated guide groove 26 having an upper end opened at the center is formed, and the end of the operation shaft 28 is a socket through the guide groove 26 and the guide groove 25 of the outer case 41. It protrudes to the side end of the housing 22.

  As shown in FIG. 11, the contacts 23, 23... Are integrally formed by pressing an electrically conductive metal material having elasticity, and fixed pieces 60 embedded in the contact holding members 42, 42. A mounting terminal portion 61 integrally connected to one end of the fixed piece portion 60 and an elastic contact piece portion 62 supported integrally to the other end of the fixed piece portion 60 are provided.

  The fixed piece portion 60 is embedded in the contact holding members 42 and 42 by insert molding. The contacts 23, 23... Have a mounting terminal portion 61 protruding from the lower surface of the contact holding members 42 and 42, and an elastic contact piece portion 62. It protrudes from the upper surface of the contact holding members 42, 42, and is held by the contact holding members 42, 42 in a state of being supported in a cantilever spring shape.

  The elastic contact piece 62 includes a flat needle-like elastic support piece 63 that is integrally continuous with the fixed piece 60, and a contact portion 64 that swells in an arc shape or a mountain shape from the upper end surface of the elastic support piece 63. It can be elastically deformed in the connector thickness direction with the fixed piece 60 as a viewpoint.

  Further, the elastic support piece 63 is formed with an operation portion 65 having a shape swelled in an arc shape on a side opposite to the bulging direction of the contact portion 64 at a desired position.

  As shown in FIG. 12, the cam plates 24 and 24 are formed in a trapezoidal shape in which each corner portion is formed in an arc shape by a metal plate material.

  The cam plates 24, 24 include a fixing portion 70 to which an end portion of the rotation shaft 54 is fixed below the inner side surface portion, and are rotatably supported on the side end surface of the socket housing 22 via the rotation shaft 54. Yes.

  Further, the cam plates 24 and 24 are formed with a long hole-shaped operation groove 27 at the center thereof, the end of the operation shaft 28 is inserted into the operation groove 27, and the operation groove 27 is formed in the operation shaft 28. The slider 21 is rotated between a position where the slider 21 is moved to the board insertion position P1 and the position where the slider 21 is moved to the board connection position P2.

  The operation groove 27 is formed so that the distances D1 and D2 from the rotation axis (the central axis of the rotation shaft 54) pass through different positions so as to form a cam mechanism, and interlocked with the rotation operation of the cam plate 24. Then, the operating shaft moves, and the slider 21 is moved.

  Here, the distance D1 between one end of the long hole and the rotation shaft 54 is formed to be shorter than the distance D2 between the other end of the long hole and the rotation shaft.

  Therefore, when the cam plates 24 and 24 are rotated, the operation shaft 28 inserted into the operation groove 27 is also displaced while being guided by the operation groove 27 and the guide grooves 25 and 26, and accordingly, the slider 21 is also moved to a desired substrate insertion position. It moves between P1 and the board connection position P2.

  In addition, the cam plates 24 and 24 are integrally provided with a hook-shaped locking hook 71 on the upper edge portion, and the cam plates 24 and 24 are rotated to the side where the slider 21 is moved to the substrate connection position P2. Accordingly, the locking protrusion 12 formed on the plug 3 is fitted into the engaging recess 71a, and the locking protrusion 12 and the locking collar 71 are engaged with each other.

  Reference numeral 72 in the drawing denotes a handle member used when the cam plates 24 and 24 are rotated.

  In order to connect the board-to-board connector 1 configured as described above, as shown in FIG. 13A, the plug 3 and the socket 2 are connected, and the connection boards B and B exposed from the lower surface of the plug 3 are connected. The end is inserted into the board insertion portions 20 and 20 of the slider 21.

  At this time, the cam plates 24, 24 are on the side where the slider 21 is at the substrate insertion position P1, and as shown in FIG. 14A, the inner surfaces 20a, 20a of the substrate insertion portions 20, 20 and the respective contacts 23. , 23... Are not in contact with the operation section 65, so that no force is applied to the contacts 23, 23. Can be inserted.

  When the plug 3 and the socket 2 are connected, if the connecting direction of the plug 3 and the socket 2 is incorrect, the locking projection 12 is arranged to be shifted to one side in the connector thickness direction of the plug housing 4. Therefore, the locking projection 12 and the cam plates 24 and 24 interfere with each other so that the plug 3 and the socket 2 cannot be connected, and erroneous insertion of the connection boards B and B is prevented.

  Next, as shown in FIG. 13 (b), when the cam plates 24, 24 are rotated clockwise in the figure, on the side where the slider 21 is moved to the board connection position P2, the operation grooves 27 are interlocked therewith. The operation shaft 28 is guided and pushed down, whereby the slider 21 is also pushed down to a desired substrate connection position P2.

  When the slider 21 is pushed down to the board connection position P2, as shown in FIGS. 13 (b) and 14 (b), the inner side surfaces 20a, 20a of the board insertion portions 20, 20 are connected to the contacts 23, 23,. The elastic contact piece 62 of the contacts 23, 23... Is pressed toward the connection board B side, and the contact 64 of the contacts 23, 23. The signal pads 7, 7 ... are brought into pressure contact with a constant contact pressure.

  Further, as the cam plates 24 and 24 rotate, the locking collar 71 also moves, the locking collar 71 engages with the locking projection 12 of the plug 3, and the plug 3 and the socket 2 are mutually connected. The signal pads 7, 7... Of the connection boards B, B and the contacts 23, 23.

  On the other hand, when the connection between the socket 2 and the plug 3 is released, the cam plates 24, 24 are rotated to the side where the slider 21 moves to the board insertion position P1 (counterclockwise in the figure). The locking collar 71 is detached from the projection 12 and guided by the operation groove 27 to push up the operation shaft 28, thereby pushing up the slider 21 to a desired substrate insertion position P1.

  When the slider 21 is pushed up to the board insertion position P1, the inner side surfaces of the board insertion parts 20, 20 are detached from the operation parts 65 of the respective contacts 23, 23 ..., and elastic contact between the contacts 23, 23 ... is achieved. The piece 62 is elastically restored to remove the pressing force toward the connection boards B and B, and the connection boards B and B and the plug 3 can be easily detached by the non-insertion / removal force.

  In this board-to-board connector 1, when connecting each of the connection boards B, B to a multipolar cable, etc., as shown in FIGS. 15 and 16, the outer case 6 and the connection board B, You may make it provide the cover 80 which covers the exposed part of the non-insertion side of B.

  In the above-described embodiment, the connection boards B and B are held by the plug 3. However, the connection boards B and B may be inserted into the socket 2 alone.

  Further, in the above-described embodiment, the structure in which the connection boards B and B are connected to the socket 2 in a two-row arrangement has been described. However, the connection board B may be connected to the socket 2 in a one-row arrangement. A structure in which connection boards of more than one row are connected in parallel may be used.

A mounting board B connection board 1 board-to-board connector 2 socket 3 plug 4 plug housing 5 inner housing 6 outer case 7 signal pad 8 holding convex part 9 board holding part 10 engaging concave part 11 mounting concave part 12 locking protrusion 20 Substrate insertion portion 21 Slider 22 Socket housing 23 Contact 24 Cam plate 25, 26 Guide groove 27 Operation groove 28 Operation shaft 30 Top plate portion 31 Bearing convex portion 32 Side plate portion 33 Insertion hole 34 Stopper portion 35 Shaft insertion hole 40 Internal housing 41 Outer case 42 Contact holding member 43 Window portion 44 Bearing portion 45 Shield connection contact member 46 Fixed portion 47 Contact piece portion 48 Contact portion 50 Base portion 51 Side wall portion 52 Contact accommodating convex portion 53 Holding member fitting portion 54 Rotating shaft 55 Bearing Groove 56 contact receiving groove 60 solid Fixed piece portion 61 Mounting terminal portion 62 Elastic contact piece portion 63 Elastic support piece 64 Contact portion 65 Operation portion 70 Fixing portion 71 Locking collar portion 72 Handle member

Claims (5)

In a board-to-board connector that includes a socket into which a connection board is inserted, and connects the mounting board on which the socket is mounted and the connection board.
The socket is
A slider having a board insertion portion through which the connection board is inserted;
A socket housing in which the slider is held movably between a desired board insertion position and a board connection position in the board insertion / extraction direction;
A plurality of contacts supported by the socket housing to be disposed inside the board insertion portion of the slider;
A cam plate rotatably supported on a side end surface of the socket housing;
An operating shaft held by the slider,
The end of the operating shaft protrudes from the socket housing side end surface through a guide groove formed on the side of the socket housing, and the protruding end is inserted into an operation groove formed on the cam plate.
The operation groove is formed so that the distance from the rotation axis of the cam plate passes through different positions, and the slider moves in conjunction with the rotation operation of the cam plate,
Each of the contacts does not contact the inner side surface of the substrate insertion portion when the slider is at the substrate insertion position, and is pressed against the inner side surface of the substrate insertion portion when the slider is at the substrate connection position. It has an operation part,
When the slider is in the substrate insertion position, the connection substrate is inserted into the substrate insertion portion, and the cam plate is rotated from the state to move the slider to the substrate connection position, whereby the operation portion is moved to the substrate. A board-to-board connector characterized in that the contact part of each contact is pressed against the signal pad formed on the connection board by being pressed against the inner surface of the insertion part.   The board-to-board connector according to claim 1, wherein the slider includes a plurality of board insertion portions arranged in parallel.   The connection board is held by a plug coupled to the socket, and the connection board is inserted into a board insertion portion of the slider by connecting the plug and the socket. The board-to-board connector as described. The plug includes a plug housing that holds the connection board, and includes a locking projection protruding from the side end surface of the plug housing.
4. The board-to-board connector according to claim 3, wherein the cam plate includes a locking hook portion that engages with the locking protrusion as the slider is moved to the side where the slider is moved to the board connection position. .   5. The board-to-board connector according to claim 4, wherein the locking protrusion is arranged so as to be shifted to any one of the plug housing side end faces in the board thickness direction.

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