JP2009076244A - Card connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the productivity of a card connector which is provided with a slide member 40 which is housed in a housing 90 having a cam groove 70 of a hat shape and can be shifted along a card inserting/removing direction and a pin member 80 of a U-shape of which one end portion 81 is supported by the slide member 40 and is shifted in the cam groove 70 together with the movement of the slide member 40. <P>SOLUTION: The slide member 40 is provided with a supporting portion 42 of a pin member 80 so that the pin member 80 can hardly fall out from the slide member 40, and the supporting portion 42 has a step 42a and on a lower step side, there is formed a hole portion 42b into which the one end portion 81 of the pin member 80 is inserted, and a pin fall-out prevention portion 42 extruded out into a diameter of the hole portion 42b is provided on the stepped surface. It is arranged that a slight press-fitting is necessary when the one end portion 81 of the pin member 80 is inserted into the slide member 40. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a card connector for connecting a card such as a memory card to an electronic device such as a mobile phone, a digital camera, or a portable audio PDA.

  Conventionally, by pushing the card to a predetermined position and then releasing the pushing force, the card is held in the mounting position, and after pushing the card to the predetermined position again and then releasing the pushing force, the so-called push (to discharge the card) 2. Description of the Related Art A card connector having an in / push (out) type card ejection mechanism is known.

  This card connector is composed of an insulating body provided with a plurality of contacts and a metal plate press-molded product, and a cover attached to the body, with a card insertion opening opened on one side. And a box-shaped housing in which the card can be inserted and removed through the card insertion slot, and a card discharge mechanism is incorporated in one side of the housing. The card ejection mechanism is housed in one side of the housing so as to be movable along the card insertion / removal direction, is biased in the card ejection direction by a coil spring, and is pushed in the card insertion direction by the card inserted in the housing. A slide member, a card held by the slide member and inserted into the housing, an engagement member made of a leaf spring for engaging the slide member in the card insertion / removal direction, and a heart-shaped cam formed on the body A groove and a U-shaped pin member that supports one end portion on the slide member and moves the other end portion in the cam groove in accordance with the movement of the slide member. When the card is inserted into the housing, the slide member engages with the card via the engagement member, and is then pushed into a predetermined position by the card. Thereafter, the pushing force by the card is released, thereby releasing the other end of the pin member. When the portion is locked to the locking portion provided in the cam groove, it does not return to the original position, and the card is held in the mounting position. When the slide member is pushed again to a predetermined position by the card, the other end of the pin member is released from the locking portion of the cam groove and can be restored to the original position. The card is ejected by releasing the card pushing force. The

In this card discharge mechanism, a pin member retaining means is provided on the engaging member held by the slide member (see, for example, Patent Document 1).
Japanese Patent No. 3713428

  When assembling the card connector, if the pin member retaining means is an engaging member, the pin member will fall off the slide member until the engaging member is assembled to the slide member, so one end of the pin member was inserted into the slide member Thereafter, the pin member is prevented from being detached by other retaining means, and in that state, a difficult assembly operation of assembling the engaging member to the slide member is forced, resulting in a decrease in productivity and a problem.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a card connector in which the pin member is difficult to come off from the slide member during assembly, and the productivity can be improved.

  Another object of the present invention is to provide a card connector in which the engaging member can be easily held on the slide member and the engaging member can be reliably held on the slide member while improving productivity.

  In order to achieve the above-mentioned object, the invention according to claim 1 is housed in a housing having a cam groove and is slidable along the card insertion / removal direction, and one end is supported by the slide member. And a pin member that moves in the cam groove in accordance with the movement of the slide member. The slide member has a support portion for the pin member, and the support portion has a step, A hole portion into which one end portion of the pin member is inserted is formed on the side, and a pin retaining portion protruding into the diameter of the hole portion is formed on the step surface.

  In the invention according to claim 1 configured as described above, it is necessary to slightly press-fit when inserting one end of the pin member into the hole, and when the one end of the pin member is inserted into the hole, the pin is removed. Since the stop portion restricts the movement in the removal direction, it is difficult for the pin member to come off from the slide member, and the subsequent assembly work can be easily performed, and the productivity of the card connector is improved.

  According to a second aspect of the present invention, the structure according to the first aspect is configured such that the support portion receives a card inserted into the housing by an upper side surface.

  With such an additional configuration, since the load (movement resistance of the pin member) generated in the support portion of the slide member is received by the card, the durability of the support portion can be improved. Further, the required strength of the support portion can be reduced, and the support portion can be formed in a smaller size, contributing to the downsizing of the card connector.

  The invention described in claim 3 is obtained by adding a configuration in which the hole portion is a tapered hole whose diameter gradually increases toward the back side to the invention described in claim 1 or 2.

  According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the hole is provided with a pin insertion opening whose diameter is increased in the protruding direction of the pin retaining portion. Is added.

  With the additional configuration according to claim 3 and claim 4, the one end of the pin member can be inserted into the hole while being inclined in the projecting direction of the pin retaining portion. The pin retaining portion can be crushed and the retaining function can be prevented from being lowered or lost. Further, the protruding amount of the pin retaining portion can be increased to obtain higher retaining performance.

  The invention according to claim 5 is the invention according to any one of claims 1 to 4, wherein the pin member is made of a metal wire bent in a U-shape and is inserted into the hole. A second portion inserted into the cam groove, an intermediate portion connecting the one end portion and the other end portion in parallel, and the bending angle of the one end portion and the other end portion with respect to the intermediate portion is A configuration in which the intermediate portion is bent so as to have an angle larger than a right angle is added.

  With such an additional configuration, the bending angle of the one end and the other end with respect to the intermediate portion is larger than that of the pin member in which the intermediate portion is straight and the bending angle between the one end and the other end with respect to the intermediate portion is a right angle. In addition, since the curvature of the bent portion between the intermediate portion and the one end portion is increased and the pin retaining portion can be provided at a position further away from the hole portion with the same protruding amount, the one end portion of the pin member is a hole. It becomes easy to insert by the part. For this reason, it is possible to more reliably prevent the drop prevention function of the pin prevention part from being lowered or lost. Further, the protruding amount of the pin retaining portion can be increased to obtain higher retaining performance.

  According to a sixth aspect of the present invention, in the invention according to any one of the first to fifth aspects, the engagement member that engages the card inserted into the housing and the slide member in the card insertion / removal direction. The engaging member is formed on one end side of the card and a spring portion extending in the card insertion / removal direction with the thickness direction aligned with the card width direction orthogonal to the card insertion / removal direction. An engaging portion that is detachably engaged with a notch portion provided on the side portion and a held portion that is connected to the other end side of the spring portion are provided, and a notch is formed on one side edge of the held portion. A slit-like holding in which the slide member has a holding portion for the engaging member, the holding portion can insert the held portion, and the spring portion can protrude from one end side. Providing a groove, projecting from the groove bottom into this holding groove, in the notch Configuration to form a protrusion engaged in which is added.

  With such an additional configuration, it is not necessary to bend the held portion when the held portion of the engaging member is fixed to the holding portion of the slide member, and the shape of the held portion is not three-dimensional. It is possible to contribute to the miniaturization of the card connector by forming it in a smaller size. Further, the engaging member can be assembled to the slide member by a simple operation of inserting the flat plate-like held portion into the slit-like holding groove, and the productivity of the card connector can be improved. In addition, the engagement member can be reliably fixed to the slide member by a simple assembly operation.

  The invention according to claim 7 is the invention according to claim 6, wherein the held portion has a fulcrum portion, and the fulcrum portion includes a tip end portion of the held portion and an edge of the tip portion. The holding groove is provided with a sliding contact portion that connects one side edge in which the cutout portion is formed in an arcuate shape, the holding groove has a receiving portion, and the receiving portion extends deeper than the protruding portion. And a holding part formed on the upper part of the holding groove, the fulcrum part is inserted obliquely into the receiving part, and the sliding contact part is brought into contact with the groove bottom of the receiving part. In this state, by rotating the engagement member in the direction of the slide member with the fulcrum portion as a fulcrum, the notched portion of the held portion is inserted into the protrusion while the held portion is inserted into the holding groove. The structure which fits a part is added.

  With such an additional configuration, the engaging member can be assembled to the slide member by a simpler operation of rotating the engaging member in the direction of the slide member with the fulcrum portion as a fulcrum, and the productivity of the card connector can be further improved.

  According to an eighth aspect of the present invention, in the invention according to any one of the first to seventh aspects, the housing includes an insulating body provided with a plurality of contacts, and a press-formed product of a metal plate. A cover that is attached to the body, has a card insertion opening on one side, and is formed in a box shape that allows the card to be inserted and removed through the card insertion opening. A guide part, and the insertion guide part is bent from a side edge of the cover and hangs down to one side of the card insertion slot on the side close to the slide member; and A second bent piece is provided that is bent from one side edge of the card insertion slot and extends in the housing along the card insertion direction, and the card is inserted into the card by a proximal end side bent portion of the second bent piece. Insert An arcuate insertion guide surface made of metal that is guided inward is formed, and a metal linear insertion guide surface that guides the card into the housing is added by the tip of the second bent piece. It is a thing.

  Such an additional configuration can reduce the thickness (resin wall thickness) of a portion of each insertion guide surface compared to the case where each insertion guide surface is formed as a portion of the body, thereby contributing to miniaturization of the card connector. it can.

  As described above, according to the present invention, it is difficult for the pin member to come off the slide member when the card connector is assembled, and the productivity can be improved.

  In addition, the engaging member can be easily held on the slide member, while the engaging member can be easily assembled to the slide member to improve productivity.

  Hereinafter, an embodiment of a card connector according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a plan view showing a card mounted in the present embodiment. This card C is a memory card having a substantially rectangular flat plate shape, and is inserted in the direction of arrow a in this embodiment. A corner drop portion C1 for preventing erroneous insertion is provided on one side on the front side in the insertion direction of the card C, and a plurality (eight in the figure) of external connection terminals C2 are provided on one surface on the front side in the insertion direction. They are juxtaposed at a constant pitch in the orthogonal card width direction. Further, a notch C3 for engaging a slide member of the present embodiment described later is provided on the rear side of the corner dropping part C1. A step is formed on one side of the card C by the corner drop portion C1 and the cutout portion C3, but the step C4 formed by the corner drop portion C1 has a receding angle with respect to the insertion direction. Of the two steps formed by the notch C3, the step C5 on the rear side in the insertion direction is also given a receding angle with respect to the insertion direction.

  2 is an exploded perspective view showing the components of this embodiment, FIG. 3 is a plan view showing the body of this embodiment, FIG. 4 is a plan view showing the internal structure of this embodiment, and FIG. FIG. 6 is a perspective view showing the external appearance of the present embodiment. The present embodiment is a metal plate press-molded product that is electrically conductive and has a resin molded product in which a plurality (eight in the figure) of contacts 1 that electrically connect the electronic device and the card C are fixed. And a slide member 40, a coil spring 50, and an engagement member that are assembled on one side (right side in the drawing) of the body 10 and constitute a so-called push (in) / push (out) type card discharge mechanism 30. A metal plate press-molded product comprising a plate spring 60, a heart-shaped cam groove 70, a U-shaped hook pin 80 as a pin member, and a housing 90 containing the contact 1 and the card discharge mechanism 30. And the cover 100 having conductivity.

  The body 10 has a rectangular bottom plate 11 and a front side wall 12, a left and right side wall 13, and a rear side wall 14 raised from the right end, left and right side edges and rear side edge of the bottom plate 11. A card insertion slot 15 is formed by an opening between the front end portion of 12 and the left end portion of the front side wall 12. As shown in FIG. 4, the card C is inserted into the card insertion slot 15 from one end portion where the corner drop portion C1 is provided with the surface on which the external connection terminal C2 is provided facing down. Further, a notch 16 is provided at the front edge of the bottom plate 11 where the front side wall 12 is not raised, and a hole 17 is provided at a predetermined interval on the rear side of the notch 16, A laterally long rectangular contact fixing portion 18 is formed by a part of the bottom plate 11 left between the punched holes 17. Further, a cam groove 70 is provided in the rear portion of the inner surface of the bottom plate 11 on the right side of the contact fixing portion 18, and the shallow guide groove 19 for moving and guiding the slide member 60 in the front-rear direction along the card insertion / extraction direction is fixed to the contact. A cylindrical rear boss 20 that holds the rear end of the coil spring 50 is provided at the right end of the inner surface of the rear side wall 14 while avoiding the cam groove 70 from the front end to the rear end of the inner surface of the bottom plate 11 on the right side of the portion 18. Protrusively forward from the part. A plurality of engagement claws 21 for engaging the cover 100 are provided on the left and right side walls 13 so as to protrude outward in the left and right directions. A cutout portion 22 is provided on the outer surface of the substantially left half portion of the front side wall 12 to reduce the thickness of this portion by approximately the plate thickness of the cover 100.

  The cam groove 70 is provided with a starting point 71 on the front side and a locking part 73 on the rear side, and the starting point 71 and the locking part 73 are connected by a forward path 72 and a return path 74.

  The plurality of contacts 1 are fixed to the contact fixing portion 18 of the body 10 by being arranged at a constant pitch in the left-right direction (card width direction). Each contact 1 is embedded in and fixed to a contact fixing portion 18 and is fixed to a fixed portion 2 that extends in the front-rear direction along the card insertion / extraction direction. A cantilever-shaped spring portion 3 that protrudes into the body 10 above the punch hole 17 and is elastically displaceable in the vertical direction (card thickness direction), and a tip portion (free end portion) of the spring portion 3. An arc-shaped contact portion 4 having a concave bottom surface and a convex top surface, a continuous portion 5 extending forward from the fixed portion 2 and projecting into the notch 16, and downward from the continuous portion 5 A soldering portion 7 that extends further forward through the step portion 6 and protrudes into the notch 16 so that the lower surface is substantially flush with the outer surface of the bottom plate 11 is integrally formed.

  In the present embodiment, the plurality of contacts 1 are fixed to the body 10 by insert molding. However, a plurality of contact fixing grooves are arranged on the inner surface of the contact fixing portion 18 at a constant pitch in the left-right direction. A plurality of contacts 1 may be fixed to the body 10 by press-fitting the fixed portion 2 of each contact 1.

  The slide member 40 is placed in the guide groove 19 and incorporated in the right side portion of the body 10 so as to reciprocate in the front-rear direction along the card insertion / removal direction. The slide member 40 is a resin molded product, and includes a holding portion 41 that holds the leaf spring 60, a support portion 42 that supports one end portion of the hook pin 80, and a spring seat portion 63 that supports the front end portion of the coil spring 70. Form. The holding portion 41 is formed in a substantially rectangular parallelepiped shape that is long in the front-rear direction, the support portion 42 is formed so as to protrude from the rear side to the left side slightly from the front end portion of the holding portion 41, and the spring seat portion 43 is formed from the front end portion of the holding portion 41. It is formed to protrude to the right side. In addition, a flat plate-like first rib 44 that positions the lower surface on the same plane as the lower surfaces of the portions 41, 42, 43 and connects the portions 41, 42, 43 to each other at the corner on the left side of the front portion of the slide member 40, The flat second rib 45 that connects the upper and lower intermediate portions of the holding portion 41 and the support portion 42 at the corner on the left side of the rear portion of the slide member 40, and the upper surface of the slide member 40 are flush with the upper surfaces of the portions 41, 42, and 43. A flat plate-like third rib 46 that is positioned above and connects the holding portion 41 and the spring seat portion 43 to each other at the corner on the right side of the front portion of the slide member 40 is integrally formed.

  Further, the rear side surface of the spring seat portion 43 is opposed to the inner right end portion of the rear side wall 14, and a cylindrical front boss portion 47 that holds the front end portion of the coil spring 70 is provided on the rear side surface of the spring seat portion 43. 21 and projecting rearward on a coaxial line. The rear end portion of the coil spring 50 is fitted to the outside of the rear boss portion 21, the front end portion is fitted to the outside of the front boss portion 67, and the coil spring 50 is opposed to the rear side wall 14 facing the right side portion of the body 10 and the spring. The slide member 50 is always urged forward by incorporating it between the seat portions 43. Further, the front side surface of the support portion 42 faces the card insertion slot 15, and the front side surface of the support portion 42 receives the step C <b> 4 of the card C inserted into the body 10, and the card C moves the slide member 50 to the coil spring 50. A receiving portion 48 for pushing in the card insertion direction (backward) against the urging force is formed. The coil spring 50 is made of a metal wire.

  In the present embodiment, since the step C4 of the card C has a receding angle with respect to the insertion direction, the receiving portion 48 of the slide member 50 that receives the step C4 has a corner on the front side of the front end of the support portion 42 along the step C4. It is formed by a corner-dropping surface dropped diagonally.

  The leaf spring 60 is assembled to the holding portion 41 of the slide member 40 and moves integrally with the slide member 40. The slide member is a press-formed product of a metal plate, and the rear side of the spring portion 61 extending in the front-rear direction along the card insertion / removal direction with the thickness direction aligned with the left-right direction (card width direction) is held by the slide member 40. The front side (free end side) of the spring part 60 is held forward by the front end part of the holding part 41 and is bent to the protruding end part so that the left surface is convex and the right surface is concave. A character-shaped engaging portion 62 is provided, and the engaging portion 62 is engaged with the cutout portion C3 of the card C inserted into the body 10 so that the card C and the slide member 40 are engaged in the card insertion / removal direction. .

  The hook pin 80 is made of a metal wire bent in a U-shape, one end is supported by the support portion 42 of the slide member 40, and the other end is inserted into the cam groove 72 of the body 10. The body 10 is stretched between the cam grooves 72, and the other end is moved in the cam groove 72 in accordance with the movement of the slide member 40.

  As described above, the card discharge mechanism 30 is configured by assembling the slide member 40, the coil spring 50, the leaf spring 60, the cam groove 70, and the hook pin 80 on the right side in the body 10. When the card C is not inserted into the body 10, the card ejecting mechanism 30 moves the slide member 40 to the initial position which is the movement end position in the card ejecting direction shown in FIGS. The end portion is located at the starting point portion 71 of the cam groove 70.

  The cover 100 includes a rectangular top plate 101, a left and right side plate 102 that is bent from the left and right side edges of the top plate 101, and a substantially parallel to the top plate 101 by bending from two front and rear positions of the lower edge of the left and right side plate 102. The left and right side plates 102 are integrally formed with a soldering portion 103 that protrudes left and right, and a plurality of engagement holes 104 for fitting the engagement claws 21 of the body 10 are provided on the top plate 101. And a pressing portion 105 that is a leaf spring for pressing the hook pin 80 downward is provided. The cover 100 is attached to the body 10 from above in the final assembly process of the present embodiment, the top plate 101 covers the open upper surface of the body 10, and the left and right side plates 102 are superimposed on the outer surfaces of the left and right side walls 13. The cover 100 and the body 10 are integrally coupled to each other, and the housing 90 in which the card insertion slot 15 is opened to the left side of the front side surface is assembled. Further, the hook pin 80 is pressed downward by the pressing portion 105 of the cover 100 of the housing 90, one end portion of the hook pin 80 is pushed into the support portion 42 of the slide member 40, and the other end portion is pushed into the cam groove 70. The soldering portion 103 of the cover 100 protrudes left and right from the four corners of the housing 90 in a state in which this lower surface is substantially flush with the outer surface of the bottom plate 11 of the body 10.

  The present embodiment configured as described above is surface-mounted on a printed wiring board of an electronic device, and the soldering portion 7 of each contact 1 and each soldering portion 103 of the cover 100 are fixed to the substrate by soldering. Used in a connected state.

  The operation of this embodiment will be described with reference to FIGS. FIG. 7 is a plan view showing an initial insertion state when a card is inserted in the present embodiment, FIG. 8 is a plan view showing a state in which the card is pushed into a predetermined position in the present embodiment, and FIG. 9 is the present embodiment. It is a top view which shows the state in which the card | curd was mounted | worn. When the card C is inserted into the housing 90 through the card insertion slot 15 from the state shown in FIG. 4, the step C4 of the card C pushes the engaging portion 62 of the leaf spring 60 to the right from the free position, and then the slide member 40 is received. At the same time, the engaging portion 62 of the leaf spring 60 returns to the original free position and engages with the notched portion C3 of the card C. As shown in FIG. C and the slide member 40 are engaged with each other in the card insertion / removal direction via the leaf spring 60.

  When the card C is pushed into the housing 90 from the initial insertion state, the receiving portion 48 is pressed in the card insertion direction (backward) by the step C4 of the card C, and the slide member 40 resists the biasing force of the coil spring 50. The card C is pushed into the housing 90 from the initial position into the interior of the housing 90. Finally, as shown in FIG. 8, the card C is pushed into a predetermined position where the insertion side end is located immediately before the rear side wall 14. The slide member 50 is also pushed into a predetermined position which is a movement end position in the card insertion direction.

  When the pushing force of the card C is released in the pushing state to the predetermined position, the slide member 40 is pushed back from the predetermined position in the card ejection direction (forward) by the biasing force of the coil spring 50, and accordingly the card C is also given. It is pushed back from the position in the card ejection direction. By a series of operations from the initial position of the slide member 40, the other end portion of the hook pin 80 passes from the starting portion 71 of the cam groove 70 through the forward path 72 and is locked to the locking portion 73, and the slide member 40 is moved to a predetermined position. It stops a little before and does not return to the initial position. As a result, as shown in FIG. 9, the card C is held at the mounting position, and the external connection terminals C2 of the card C and the contact portions 4 of the contacts 40 are held in contact with each other and mounted in this embodiment. In this mounted state, the electronic device and the card C are electrically connected through the contacts 40, so that power can be supplied from the device side to the card C and signals can be transmitted and received between them.

  When the card C is pushed again in the mounted state and the slide member 50 is pushed into a predetermined position together with the card C, the other end portion of the hook pin 80 is engaged with the locking portion 73 of the cam groove 70 by the operation of the slide member 40. Thus, the slide member 40 can be returned to the initial position. Thereafter, by releasing the pushing force of the card C, the slide member 40 is pushed back from the predetermined position in the card ejecting direction by the biasing force of the coil spring 50 and returns to the initial position. Is discharged to the position and held at the discharge position. When the card C discharged to the initial insertion position is pulled by grasping and pulling the end protruding from the card insertion slot 15 toward the front side of the housing 90 with a finger, the engaging portion 62 of the leaf spring 60 cuts the card C. The card C and the slide member 40 are disengaged from the notch C3 and can be removed from the housing 90 through the card insertion slot 15.

  Next, the structure of the hook pin 80 of this embodiment and the support part 42 of the slide member 40 which supports this end will be described with reference to FIGS. FIG. 10 is a plan view showing the slide member of this embodiment, FIG. 11 is a cross-sectional view showing the support portion of the slide member of this embodiment, FIG. 12 is a side view showing the hook pin of this embodiment, and FIG. It is process drawing which shows the operation | work which assemble | attaches a hook pin to a slide member.

  As shown in FIGS. 10 and 11, the support portion 42 of the slide member 40 is provided with a step 42 a that is lowered by one step from the front upper surface so that the rear upper surface is positioned on the same plane as the upper surface of the second rib portion 45. A receiving portion 48 for receiving the step C4 of the card C inserted into the housing 90 is formed by the front side surface of the upper stage (the tall support portion 42 in front of the step 42a). On the lower stage side (the support part 42 at the bottom of the back side from the step 42a), one end 81 of the hook pin 80 is formed with a vertical circular hole 42b penetrating vertically from above, and this hole 42b. A pin retaining portion 42c that protrudes within the diameter of the lower hole portion 42a is formed on the step surface that rises immediately before. The pin retaining portion 42c is formed away from the lower hole portion 42b so as to provide a predetermined gap with the lower hole portion 42b. Further, the hole 42b is projected into the diameter of the lower hole 42b so that the shape of the hole 42b when viewed from directly above becomes a D shape obtained by cutting a part of a circle with a straight line. Further, the hole 42b is a tapered hole whose diameter gradually increases from the diameter of one end of the hook pin 80 toward the back side (from top to bottom), and an upper opening (minimum diameter portion) of the hole 42b. ) Is provided with a pin insertion opening 42d whose diameter is increased in the protruding direction of the pin retaining portion 48. The diameter of the pin insertion opening 42d is formed larger than the diameter of the lower opening (maximum diameter portion) of the hole 42b. The pin retaining portion 42c is formed to have a width substantially the same as the diameter of the expanded pin insertion opening 42d. Further, on the step surface, a pair of insertion guide walls 42e that rise substantially at right angles from both sides of the pin retaining portion 42c and are opposed in the radial direction of the lower hole portion 42b are formed.

  As shown in FIG. 12, the hook pin 80 is made of a metal wire bent into a U-shape, and includes one end 81 inserted into the hole 42, the other end 82 inserted into the cam groove 70, An intermediate portion 83 that connects the one end portion 81 and the other end portion 82 in parallel is provided, and the bending angles θ1 and θ2 of the one end portion 81 and the other end portion 82 with respect to the intermediate portion 82 are at angles (obtuse angles) larger than a right angle. The intermediate portion 83 is bent so that the central portion in the axial direction is raised by a predetermined dimension h from both ends.

  In order to assemble the hook pin 80 to the slide member 40, as shown in FIG. 13A, the hook 81 is positioned in a state in which the one end portion 81 is tilted rearward in the protruding direction of the pin retaining portion 42c between the pair of insertion guide walls 42e. Then, the lower end of the one end portion 81 faces the pin insertion port 42d of the hole portion 42b. In this state, the front portion of the intermediate portion 83 is pressed from above, and the insertion of the one end portion 81 into the hole portion 42b is started. 13 (B) to (C), and as shown in FIG. 13 (D), the end portion 81 is completely inserted into the hole portion 42b and supported by the support portion 40. To do.

  At this time, when the one end portion 81 passes through the pin insertion opening 42d, the linear portion of the one end portion 81 is caught by the pin retaining portion 42c, causing interference. Here, when the hook pin 80 is further pressed, as shown in FIG. 13C, the linear portion of the one end portion 81 passes through the pin retaining portion 42c, and there is no interference, and thereafter, as shown in FIG. As shown, one end 81 is fully inserted into hole 42b. Thus, when inserting the one end part 81 in the hole part 42b, press injection is needed. In addition, the lateral collapse of the one end portion 81 is restricted by the pair of insertion guide walls 42e, and the intermediate portion 83 is abutted and supported by the rear end portion of the second rib 45. The one end portion 81 can be inserted into the hole portion 42b in a stable and inserted posture while preventing the intermediate portion 83 from contacting the second rib 45 while rotating the hook pin 80 around the contact portion. The one end 81 can be inserted into the hole 42b. For this reason, the hook pin 80 can be easily assembled to the slide member 40, and the workability is good.

  The hook pin 80 assembled to the slide member 40 has a lower end portion of the pin retaining portion 42c in contact with a bent portion immediately above the linear portion of the one end portion 81. The movement in the direction of removal) is restricted, and it becomes difficult for the slide member 40 to come off the support portion 42. The intermediate portion 83 extends rearward from the one end portion 81 supported by the support portion 42 above the second rib 45, and the other end portion 83 extends from the rear end of the slide member 40 (the rear end of the holding portion 41). Furthermore, it is drooped on the rear side. The intermediate portion 83 and the other end portion 81 can swing integrally in the left-right direction around the one end portion 81 supported by the support portion 42.

  Next, the structure of the leaf spring 60 of this embodiment and the holding portion 41 of the slide member 40 that holds the leaf spring 60 will be described with reference to FIGS. 10 and 14 to 16. 14 is a cross-sectional view showing the holding portion of the slide member of this embodiment, FIG. 15A is a plan view showing the leaf spring of this embodiment, FIG. 16B is a side view, and FIG. 16 is the leaf spring of this embodiment. It is process drawing which shows the operation | work assembled | attached to a slide member.

  As shown in FIG. 15, the leaf spring 60 is a press-formed product of a metal plate, and a spring portion 61 that extends in the front-rear direction along the card insertion / removal direction with the thickness direction aligned with the left-right direction (card width direction). And a substantially U-shaped engagement portion 62 that is bent at the front end portion (free end portion) of the spring portion 61 so that the left surface is convex and the right surface is concave, and extends from the spring portion 61 to the rear side. The fixed part 63 that is provided and is continuously provided is formed integrally. The fixed portion 63 is provided with a notch portion 64 at the lower edge, and a pressing portion 65 that is bent from the upper edge and protrudes at a substantially right angle to the left side. Further, the fixed portion 63 has a fulcrum portion 66, and this fulcrum portion 66 has a circular end at the tip end portion 67 of the fixed portion 63 and the lower edge provided with the end edge of the tip end portion 67 and the notch portion 64. A sliding contact portion 68 connected in an arc shape and a notch portion 69 for lowering the upper edge of the tip portion 67 by one step are provided.

  As shown in FIGS. 10 and 14, the holding portion 41 of the slide member 40 is provided with a slit-like holding groove 41 a on the upper surface of the holding portion 41 from the front end to the rear end of the holding portion 41. The holding groove 41a is formed so that the groove depth is substantially the same as the width of the leaf spring 60, and the groove width is formed substantially the same as the thickness of the leaf spring 60 in the latter half portion where the fixed portion 63 of the leaf spring 60 is inserted. The front half portion of the leaf spring 60 into which the spring portion 61 is inserted is gradually enlarged toward the front to allow the spring portion 61 to bend and deform in the left-right direction (thickness direction). Further, a protrusion 41 b that protrudes upward from the groove bottom of this portion and fits a notch 64 provided in the fixed portion 63 is provided in the holding groove 41 a in the latter half. Further, the holding groove 41a has a receiving portion 41c, and the receiving portion 41c extends from the protruding portion 41b to the back side (rear side). A pressing portion 41e formed so as to close the groove entrance is provided on the upper portion of 41d. On the upper surface of the holding portion 41, a notch portion 41f into which the pressing portion 65 of the leaf spring 60 is fitted is provided.

  In order to assemble the leaf spring 60 to the slide member 40, as shown in FIG. 16A, the fulcrum part 66 is inserted into the receiving part 41c obliquely from above and the sliding contact part 68 of the fulcrum part 66 is received. As shown in FIGS. 16B and 16C, the pressing portion 65 is pressed from above while being in contact with the groove bottom of 41c, and the leaf spring 60 is rotated downward with the fulcrum portion 66 as a fulcrum. Furthermore, while the spring part 61 is gradually inserted into the holding groove 41a from the part near the fulcrum part 66 of the leaf spring 60, that is, the fixed part 63, the notch 64 of the fixed part 63 is inserted into the holding groove 41a. As shown in FIG. 16C, the spring portion 61 (however, excluding the front end portion forming the engaging portion 62) is completely inserted from the fixed portion 63 of the leaf spring 60, as shown in FIG. And fixing the fixed portion 63 of the leaf spring 60 to the holding portion 41. Completed. At this time, while rotating the leaf spring 60 with the fulcrum portion 66 as a fulcrum, the fixed portion 63 is press-fitted into the rear half of the holding groove 41a having substantially the same groove width as this thickness, while the notched portion of the fixed portion 63 is pressed. 64 can be fitted into the protrusion 41b in the holding groove 41a, and the spring portion 61 can be inserted into the front half of the holding groove 41a having a groove width larger than this thickness. For this reason, it is easy to assemble the leaf spring 60 to the slide member 40 and the workability is good.

  The leaf spring 60 assembled to the slide member 40 has a fixed portion 63 on the rear side of the spring portion 61 that extends in the front-rear direction along the card insertion / removal direction with the thickness direction aligned with the left-right direction (card width direction). Is fixedly held in the rear half of the holding groove 41a, the spring part 61 is inserted in the front half of the holding groove 41a so as to bend in the left-right direction so as to be deformable, and the engaging part 62 provided on the front side of the spring part 60 is held. It is supported to protrude forward from the front end of the portion 41.

  In the assembly of this embodiment, one end portion 81 of the hook pin 80 is supported by the support portion 42, the leaf spring 60 is held by the holding portion 41, and the front end portion of the coil spring 50 is fitted to the outside of the front boss portion 67. The slide member 40 held by the spring seat portion 43 is assembled in the body 10 to which the plurality of contacts 1 are fixed, and then the cover 100 is attached to the body 10 to complete. When the slide member 40 is assembled into the body 10, the rear end portion of the coil spring 50 is fitted to the outside of the rear boss portion 20, and the rear side wall 14 and the spring seat portion 43 are opposed to each other on the right side in the body 10. Further, the other end 82 of the hook pin 80 is inserted into the cam groove 70 provided on the body 10 side. However, as shown in FIGS. 2 and 3, the hook pin 80 is provided on the front side of the cam groove 70. The front end portion of the starting point portion 71 is on the front side of the cam groove 70 and is opened to the guide groove 19 on which the slide member 40 is placed, so that the fitting direction to the rear boss portion 20 of the rear end end of the coil spring 50 is established. Since the insertion direction of the other end portion 82 of the hook pin 80 into the cam groove 70 can be made coincident with each other, the slide member 40 can be easily incorporated into the body 10 and the workability is good.

  Further, since the hook pin 80, the leaf spring 60, and the coil spring 50 are held completely and independently by the support portion 42, the holding portion 41, and the spring seat portion 43 of the slide member 40, the assembly order of these slide members 40 can be freely set. Can be set to For example, by assembling the hook pin 80 and the coil spring 50 after assembling the leaf spring 60, the hook pin 80 and the coil spring 50 are each easily assembled to the slide member 40, and the workability is good as compared with the case where the hook pin 80 and the coil spring 50 are assembled before the leaf spring 60.

  By the way, as shown in FIGS. 2, 4 to 9, in this embodiment, the conductive (metal) cover 30 that forms the housing 1 with the insulating (resin) body 10 is inserted into the card C. A guide portion 106 is provided. FIG. 17 is an enlarged front view showing the insertion guide portion of the cover of this embodiment, and FIG. 18 is a bottom view showing the insertion guide portion of the cover of this embodiment in an enlarged manner.

  As shown in FIGS. 2, 4 to 9, 17, and 18, the insertion guide portion 106 is bent from the front side edge of the cover 100 and is suspended from the outer surface side of the front side wall 12 of the body 10. 107 and a second bent piece 108 which is bent from the left edge of the first bent piece 107 and extends rearward along the side end surface of the front side wall 12, that is, extends into the housing 90 along the card insertion direction. Is provided.

  By attaching the cover 100 to the body 10, the first bent piece 107 and the second bent piece 108 continuously cover the side end surfaces from the outer surface side of the front side wall 12, and the card C is inserted into the housing 90 through the card insertion slot 15. The front side wall 12 is protected from the contact impact on the right side where there is a step of the card C during insertion, and is located at the right edge of the card insertion slot 15 by the base end side bent portion of the second bent piece 108, and the card C Are inserted into the card insertion slot 15 to form a circular arc-shaped insertion guide surface 109, and the card is inserted continuously from the circular arc-shaped insertion guide surface 109 by the tip of the second bent piece 108. A metal linear insertion guide surface 110 is formed which is positioned on the right edge of the mouth 15 and guides the card C into the housing 90 in sliding contact. The first bent piece 107 is overlapped with the outer surface of the front side wall 12 by a notch 22 provided in the front side wall 12 so that the outer surface is located on the same plane as the outer surface of the front side wall 12.

  Since each of the insertion guide surfaces 109 and 110 is formed by a part of the metal cover 100, for example, the corners between the outer surface and the side end surface of the front side wall 12 are obliquely dropped to form side end portions (resin made of resin). Compared to the case where the insertion guide surfaces 109 and 110 are formed by a part of the body 10), the thickness (resin thickness) of the front side wall 12 can be reduced, which contributes to the miniaturization of the card connector. .

  In the above-described embodiment, the slide member 40 accommodated in the housing 90 having the cam groove 70 and movable along the card insertion / removal direction and the one end 81 are supported by the slide member 40 and the cam groove 70 is supported. In a card connector including a pin member 80 that moves in accordance with the movement of the slide member 40, the slide member 40 has a support portion 42 of the pin member 80, and the support portion 42 has a step 42a. The hole portion 42b into which the one end portion 81 of the pin member 80 is inserted is formed on the lower side, and the pin retaining portion 42c protruding into the diameter of the hole portion 42b is formed on the step surface. As a result, when the one end 81 of the pin member 80 is inserted into the hole 42b, a slight press-fitting is required, and when the one end 81 of the pin member 80 is inserted into the hole 42b, the pin retaining portion 42c is removed. Since the movement in the direction is restricted, the pin member 80 is less likely to fall out of the slide member 40, and the subsequent assembly work can be easily performed, so that the productivity of the card connector can be improved.

  Further, the support portion 42 is configured to receive the card C inserted into the housing 90 by the upper side surface. Thereby, since the load (movement resistance of the pin member 80) which arises in the support part 42 of the slide member 40 is received by the card | curd C, durability of the support part 42 can be improved. Moreover, the required strength of the support part 42 can be reduced, and the support part 42 can be formed in a smaller size, contributing to the miniaturization of the card connector.

  In addition, the hole portion 42b is configured as a tapered hole whose diameter gradually increases toward the back side, and the hole portion 42b is provided with a pin insertion port 42d whose diameter is increased in the protruding direction of the pin retaining portion 42c. The configuration. As a result, the one end 81 of the pin member 80 can be inserted into the hole 42b while being inclined in the protruding direction of the pin retaining portion 42c. Can be prevented from being crushed and the retaining function being lowered or lost. Further, the protruding amount of the pin retaining portion 42c can be increased to obtain higher retaining performance.

  The pin member 80 is made of a metal wire bent in a U-shape, and includes one end 81 inserted into the hole 42b, the other end 82 inserted into the cam groove 70, and the one end 81. And an intermediate portion 83 that connects the other end portion 82 in parallel, and the intermediate portion 83 is configured such that the bending angles θ1 and θ2 of the one end portion 81 and the other end portion 82 with respect to the intermediate portion 83 are larger than a right angle. 83 was bent. As a result, the bending angle θ1, θ2 of the one end 81 and the other end 82 with respect to the intermediate portion 83 is compared with a pin member in which the intermediate portion is straight and the bending angle between the one end and the other end with respect to the intermediate portion is a right angle. In addition, since the curvature of the bent portion between the intermediate portion 83 and the one end portion 81 is increased, the pin retaining portion 42c can be provided at a position farther away from the hole portion 42b with the same protruding amount. One end portion 81 of the member 80 is easily inserted by the hole 42b. For this reason, it is possible to more reliably prevent the drop prevention function of the pin prevention part 42c from decreasing or disappearing. Further, the protruding amount of the pin retaining part 42c can be increased to obtain higher retaining performance.

  Further, an engagement member 60 for engaging the card C inserted into the housing 90 with the slide member 40 in the card insertion / removal direction is provided, and the engagement member 60 has a card width in which the thickness direction is orthogonal to the card insertion / removal direction. And a spring portion 61 that extends in the card insertion / extraction direction and is formed on one end side of the spring portion 61 and is removably engaged with a notch portion C3 provided on one side portion of the card C. An engaging portion 62 and a held portion 63 connected to the other end side of the spring portion 61 are provided, a notch portion 64 is formed on one side edge of the held portion 63, and the slide member 40 is There is a holding portion 41 of the engaging member 60, and this holding portion 41 is provided with a slit-like holding groove 41a in which the held portion 63 can be inserted and the spring portion 61 can be protruded from one end side. In this holding groove 41a from the groove bottom Out, and configured to form a protrusion 41b which is fitted into the notch 64. Accordingly, when the held portion 63 of the engaging member 60 is fixed to the holding portion 41 of the slide member 40, the fixed portion 63 is not press-fitted, so that there is no need for a press-fitting allowance to the slide member 40, and the held portion 63 Since the shape of the held portion 63 is not three-dimensional, it is possible to form the slide member 40 in a smaller size and contribute to the miniaturization of the card connector. Further, the engaging member 60 can be assembled to the slide member 40 by a simple operation of inserting the flat plate-like held portion 63 into the slit-like holding groove 41a, and the productivity of the card connector can be improved. In addition, the engagement member 60 can be reliably fixed to the slide member 40 by a simple assembly operation.

  Further, the held portion 63 has a fulcrum portion 66, and this fulcrum portion 66 is formed on the one end side where the tip portion 67 of the held portion 63, the edge of the tip portion 67 and the notch portion 64 are formed. A sliding contact portion 68 that connects the edges in an arc shape is provided, and the holding groove 41a has a receiving portion 41c, and this receiving portion 41c is a part of the holding groove 41a that extends deeper than the protruding portion 41b. 41d and a holding part 41e formed on the upper part of a part 41d of the holding groove 41a are provided, the fulcrum part 66 is inserted obliquely into the receiving part 41c, and the sliding contact part 68 is inserted into the groove of the receiving part 41c. The projecting portion is inserted into the holding groove 41a while inserting the held portion 63 by rotating the engaging member 60 in the slide member direction with the fulcrum portion 66 as a fulcrum in contact with the bottom. 41b is provided with the notched portion 64 of the held portion 63. And a configuration in which engaged. As a result, the engaging member 60 can be assembled to the slide member 40 by a simpler operation of rotating the engaging member 60 in the direction of the slide member with the fulcrum portion 66 as a fulcrum, and the productivity of the card connector can be further improved.

  Further, the housing 90 includes an insulating body 10 provided with a plurality of contacts 1 and a press-molded product of a metal plate, and a cover 100 to be attached to the body 10, and a card is inserted on one side. An opening 15 is opened, and the card C is formed in a box shape that can be inserted and removed through the card insertion slot 15. The cover 100 includes an insertion guide portion 106 for the card C. A first bent piece 107 that is bent from a side edge of the cover 10 and hangs down to one side of the card insertion slot 15 on the side close to the slide member 40, and one side of the first bent piece 107 on the card insertion slot side. A second bent piece 108 is provided that is bent from the edge and extends into the housing 90 along the card insertion direction. An insertion guide surface 109 made of metal that guides the card C into the card insertion slot 15 is formed, and is made of metal that guides the card C into the housing 90 by the tip of the second bent piece 108. The linear insertion guide surface 110 is formed. Thereby, compared with the case where each insertion guide surface 109,110 is formed with the part 12 of the body 10, the thickness (resin thickness) of the part 12 can be made thin, and it contributes to size reduction of a card connector. be able to.

  As mentioned above, although this embodiment showed one Embodiment of the card connector which concerns on this invention, this invention is not limited to it, Various modifications can be implemented within the range which does not deviate from the summary.

It is a top view which shows the card | curd with which one Embodiment which concerns on the card connector of this invention is mounted | worn. It is a perspective view of the decomposition state which shows the component of one Embodiment which concerns on the card connector of this invention. It is a top view which shows the body of one Embodiment which concerns on the card connector of this invention. It is a top view which shows the internal structure of one Embodiment which concerns on the card connector of this invention. It is a top view which expands and shows the right half part of FIG. It is a perspective view which shows the external appearance of one Embodiment which concerns on the card connector of this invention. It is a top view which shows the initial stage state of insertion when a card | curd is inserted in one Embodiment which concerns on the card connector of this invention. It is a top view which shows the state by which the card | curd was pushed in to one Embodiment concerning the card connector of this invention to the predetermined position. It is a top view which shows the state by which the card | curd was mounted | worn in one Embodiment which concerns on the card connector of this invention. It is a top view which shows the slide member of one Embodiment which concerns on the card connector of this invention. It is sectional drawing which shows the support part of the slide member of one Embodiment which concerns on the card connector of this invention. It is a side view which shows the hook pin of one Embodiment which concerns on the card connector of this invention. It is process drawing which shows the operation | work which assembles | assembles the hook pin of one Embodiment which concerns on the card connector of this invention to a slide member. It is sectional drawing which shows the holding | maintenance part of the slide member of one Embodiment which concerns on the card connector of this invention. It is (A) top view and (B) side view which show the leaf | plate spring of one Embodiment which concerns on the card connector of this invention. It is process drawing which shows the operation | work which assembles | attaches the leaf | plate spring of one Embodiment which concerns on the card connector of this invention to a slide member. It is a front view which expands and shows the insertion guide part of the cover of one Embodiment which concerns on the card connector of this invention. It is a bottom view which expands and shows the insertion guide part of the cover of one Embodiment which concerns on the card connector of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Contact 10 Body 15 Card insertion port 40 Slide member 41 Holding part 41a Holding groove 41b Protrusion part 41c Receiving part 41d Part of holding groove 41e Holding part 42 Support part 42a Step 42b Hole part 42c Pin retaining part 42d Pin insertion port 48 Receiving part 60 leaf spring (engagement member)
61 Spring part 62 Engagement part 63 Hold part 64 Notch part 66 Support point part 67 Tip part of held part 68 Sliding contact part 69 Notch part 70 Cam groove 80 Hook pin (pin member)
81 One end portion 82 Other end portion 83 Intermediate portion θ1, θ2 Bending angle 90 Housing 100 Cover 106 Insertion guide portion 107 First bent piece 108 Second bent piece 109 Insertion guide surface 110 Insertion guide surface C Card C3 Notch

Claims (8)

  A slide member housed in a housing having a cam groove and movable along the card insertion / removal direction, and a pin that supports one end portion of the slide member and moves in the cam groove in accordance with the movement of the slide member In the card connector comprising a member, the slide member has a support portion for the pin member, the support portion is provided with a step, and a hole portion into which one end portion of the pin member is inserted is formed on the lower side, A card connector characterized in that a pin retaining portion that protrudes within the diameter of the hole is formed on the step surface.   The card connector, wherein the support portion receives a card inserted into the housing by an upper side surface.   The card connector according to claim 1, wherein the hole portion is a tapered hole that gradually expands the hole diameter toward the back side.   The card connector according to any one of claims 1 to 3, wherein the hole portion is provided with a pin insertion port whose diameter is increased in a protruding direction of the pin retaining portion.   The pin member is made of a metal wire bent in a U-shape, and has one end inserted into the hole, the other end inserted into the cam groove, and the one end and the other end in parallel. 5. The intermediate part according to claim 1, further comprising an intermediate part to be joined, wherein the intermediate part is bent so that a bending angle of the one end part and the other end part with respect to the intermediate part is larger than a right angle. The card connector according to any one of the above.   An engagement member that engages the card inserted in the housing and the slide member in the card insertion / removal direction is provided, and the engagement member makes the thickness direction coincide with the card width direction orthogonal to the card insertion / removal direction. A spring portion extending in the direction, an engagement portion formed on one end side of the spring portion, and detachably engaged with a notch portion provided on one side portion of the card, and the other end of the spring portion A holding part connected to the side is provided, a notch is formed at one side edge of the holding part, the slide member has a holding part of the engaging member, and the holding part is the holding part A slit-like holding groove that allows the part to be inserted and the spring part to protrude from one end side is provided, and a protrusion that protrudes from the groove bottom and fits into the notch is formed in the holding groove. Any one of Claims 1 to 5 characterized by the above-mentioned. Card connector described.   The held portion has a fulcrum portion, and the fulcrum portion connects the tip end portion of the held portion and an edge of the tip end portion and one side edge forming the cutout portion in an arc shape. The holding groove has a receiving portion, and the receiving portion is formed on a part of the holding groove extending to the back side from the protrusion and a press formed on an upper part of the holding groove. In the state where the fulcrum part is inserted obliquely into the receiving part, and the sliding contact part is in contact with the groove bottom of the receiving part, the engaging member is directed to the slide member with the fulcrum part as a fulcrum 7. The card connector according to claim 6, wherein the notch portion of the held portion is fitted into the protrusion while the held portion is inserted into the holding groove by rotating the held portion into the holding groove. .   The housing is an insulating body provided with a plurality of contacts and a press-molded product of a metal plate, and includes a cover to be attached to the body. It is formed in a box shape that can be inserted / removed through the card insertion slot, and the cover has an insertion guide portion for the card, and the insertion guide portion is bent from a side edge of the cover and close to the slide member. A first bent piece that hangs down to one side of the card insertion slot, and a first bent piece that is bent from one side edge of the first bent piece on the card insertion slot side and extends into the housing along the card insertion direction. A second bent piece is provided, and an arcuate insertion guide surface made of metal that guides the card into the card insertion slot is formed by a bent portion on the base end side of the second bent piece. Card connector according to any one of claims 1 to 7, characterized in that to form a straight insertion guide surfaces made of metal for guiding the card into the housing by the end.

Images