JP2009146765A - Card connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a card connector in which components are downsized and made common, which can be changed easily into a standard type and reverse type, in which the height of a stand can be changed easily and which is superior in productivity. <P>SOLUTION: The card connector 1 has a contact 7, and the contact 7 has a base frame 3. Side frames 5a, 5b are installed at the side of the base frame 3. Thus, the card connector 1 is composed of the base frame 3, the side frame 5a, and the side frame 5b as a separate component. The base frame 3 has a left side part 43a and a right side part 43b which can be connected to any of the side frame 5a and the side frame 5b. When the side frames 5a, 5b are respectively connected to the left side part 43a and the right side part 43b, the card connector becomes a standard type, and when the side frames 5a, 5b are respectively connected to the right side part 43b, and the left side part 43a, it become a reverse type. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a card connector mounted on a substrate.

  An expansion card such as a PC card is widely used for adding or enhancing a communication function to an information device such as a computer, drawing function, or adding a storage area.

  Here, when the PC card is connected to the information device, a card connector for connecting the substrate such as a mother board of the information device and the PC card is required.

  There are various types of card connectors, but many have a terminal called a contact for electrically connecting a board and a PC card and a base frame for holding the contact.

  Furthermore, what has a side frame used as a guide at the time of connecting a PC card with a contact is common.

  For example, in FIG. 1 of Patent Document 1, a terminal-attached rear section 20 (base frame) that holds terminals 16 (contacts) and a longitudinal direction that serves as a guide when inserting a card extending forward from both ends of the rear section 20 The side wall sections 22 and 24 (side frames) are integrally formed with a housing 12 [frame], and the lower surface of the longitudinal side wall sections 22 and 24 (side frames) defines a mounting height with respect to the substrate. A card connector 10 having mounting posts 22a and 24a (stands) is disclosed.

JP 2004-235159 A

  However, there are two types of card connectors: the standard type connected to the front side of the board and the reverse type connected to the back side of the board. Both types have the same card surface when inserting the card. The base frame portion has the same configuration in the vertical and horizontal directions, and the stand portion needs to be provided on the lower side of the side frame in the standard type and on the upper side of the side frame in the reverse type. The side frame is integrally formed and can be used for only one of them.

  For this reason, two types of frames, standard type and reverse type, must be produced and prepared separately according to the application, and there is a problem that the productivity of the card connector is poor.

  The card connector has a different mounting height on the substrate depending on the application.

  However, in the frame structure of Patent Document 1, since the base frame and the side frame are integrally formed, it is necessary to separately produce and prepare frames with different stand heights. There was a problem.

  Furthermore, in the frame in which the base frame and the side frame are integrally formed, the parts become large and the shape becomes complicated, so the molding time during molding becomes long, resulting in poor productivity, and warping and twisting. There is a problem that defects such as these are likely to occur.

  The present invention has been made in view of such problems, and its purpose is to reduce the size of the parts and to make them common, and to easily change the standard type and the reverse type, and to easily change the stand height. Therefore, the object is to provide a card connector with excellent productivity.

  In order to achieve the above-described object, the present invention provides a card connector that is mounted on a board and electrically connects the board and the card, and has a card insertion space that opens to the front. A base frame having a key for defining an insertion direction of the card on an inner wall portion of the space; a plurality of contacts held by the base frame and protruding at one end into the insertion space; and forward from both left and right sides of the base frame And a pair of left and right side frames that connect and guide the card to the contacts in the insertion space, and a lower surface of the side frame is provided with a mounting stand for a substrate. Has first engaging portions on both left and right sides thereof, and the pair of left and right side frames are arranged on the left and right sides of the base frame. A pair of left and right side frames is attached to the base frame by having a second engaging portion on an inner side facing the side portion, and engaging the first engaging portion with the second engaging portion. It is connected to both sides of the card connector.

  The first engaging portion and the second engaging portion may be configured to be engageable by reversing the left and right sides of the pair of side frames and reversing the left and right sides of the base frame. .

  The first engagement portion is an engagement protrusion that protrudes forward or rearward from a central portion in the height direction of each of the left and right sides of the left and right sides of the base frame, and the second engagement portion is It is good to comprise by the recessed part into which the both sides of a base frame fit, and the engagement hole provided so that the said engaging protrusion may be inserted and engaged in the bottom part of this recessed part.

  The engagement protrusion may be configured to protrude forward from the left and right side front ends of the left and right side portions.

  The engaging protrusion may be configured to protrude rearward from the rear end of each of the left and right side surfaces of the left and right side portions.

  The first engagement portion is a dovetail extending in the front-rear direction provided at the center in the height direction of each of the left and right side surfaces of the left and right sides of the base frame, and the second engagement portion opens rearward. The base frame may have a recess into which both side portions are fitted, and a dovetail groove with which the dovetail provided at the bottom of the recess engages.

  The card connector further includes a locator that is inserted into the contact protruding from the rear surface of the base frame and aligns the contact, and the left and right end portions of the locator are connected to the rear end portions of the left and right side frames. You may comprise.

  In the present invention, the base frame and the pair of side frames are separate parts.

  Therefore, compared with the case where the base frame and the side frame are integrally formed, the parts are reduced in size, so that the molding time is shortened, and defects such as warping and twisting are unlikely to occur, resulting in good productivity.

  Further, according to the present invention, the left and right sides of the pair of side frames can be interchanged with the left and right sides of the base frame.

  Therefore, it can be used for both the standard type and the reverse type, and can share parts.

  Further, when manufacturing connectors with different standoff heights, it is only necessary to prepare side frames with different standoff heights, and other parts can be shared, so that productivity is good.

  According to the present invention, it is possible to provide a connector for a card that can be miniaturized and made common, can be easily changed to a standard type and a reverse type, can easily change a stand height, and has excellent productivity. it can.

  DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail based on the drawings.

  First, a schematic configuration of the card connector 1 according to the present embodiment will be described with reference to FIGS. 1 and 2. As shown in FIG. 1, for convenience of explanation, the directions indicated by the arrows will be described as front and rear, left and right, and up and down directions.

  Here, as the card connector 1, a card connector that is mounted on a board 71 described later and electrically connects the card 11 that is a PC card and the board 71 is illustrated.

  Although details will be described later, the card connector 1 shown in FIGS. 1 and 2 is assembled as a standard type mounted on the surface of the substrate.

  As shown in FIGS. 1 and 2, the card connector 1 is generally U-shaped in plan view, and includes a base frame 3, a pair of left and right side frames 5 a and 5 b, a plurality of contacts 7, and a locator 9. .

  As shown in FIGS. 1 and 2, the card connector 1 has an L-shaped rod-shaped contact 7 composed of a horizontal portion and a vertical portion, which electrically connects the card 11 and the substrate 71.

  The contact 7 is held through the base frame 3. The front portion of the base frame 3 opens as a card insertion space 47, and one end 7 a of the contact 7 projects into the card insertion space 47.

  Side frames 5a and 5b that hold the inserted card 11 and that serve as guides for connecting the card 11 to the contact 7 are detachably provided on the left and right sides of the base frame 3. The side frames 5 a and 5 b extend in parallel from the left and right sides of the base frame 3 to the front.

  Further, a locator 9 is further provided so as to connect between the rear ends of the side frames 5a and 5b, and a vertical portion of the contact 7 protruding from the rear surface of the base frame 3 is provided through the locator 9. The contacts 7 are aligned.

  As described above, the card connector 1 is not integrated with the base frame 3 and the side frames 5a and 5b, but is a separate part that can be attached and detached.

  Therefore, as compared with the case where the base frame 3 and the side frames 5a and 5b are integrally molded, there are few problems of an increase in size and complexity of parts, productivity is good, and defects are hardly generated.

  The card 11 to be inserted has a rectangular plate shape as shown in FIG. 1, and a connector portion (one that is electrically connected to the contact 7 of the card connector 1) is provided at one end portion 13c. Notch portions 15a and 15b having different shapes are provided on both side portions on the end portion 13c side.

  Further, grounding electrodes 14 a and 14 b are provided on both left and right sides of the card 11.

  Next, the structure of each component of the card connector 1 will be described in detail with reference to FIGS.

  First, the structure of the base frame 3 will be described with reference to FIGS. 3 and 4.

  As shown in FIGS. 3 and 4, the base frame 3 has a main body 41 having a box shape with one front surface opened as a card insertion space 47.

  The main body 41 has a left side portion 43a and a right side portion 43b that are connected to concave portions 35a and 35b (described later) of the side frames 5a and 5b.

  A contact hole 49 penetrating the rear surface 45 and penetrating and holding the horizontal portion of the contact 7 is provided at the bottom of the card insertion space 47 of the main body 41.

  Engagement protrusions 51a and 51b projecting forward from the central portion in the height (up and down) direction are provided at the left and right side front end portions of the left side portion 43a and the right side portion 43b. The engagement protrusions 51a and 51b are inserted and engaged in engagement holes 37a and 37b (described later) when the left and right side portions 43a and 43b are engaged with the side frames 5a and 5b.

  Furthermore, keys 53 a and 53 b are provided on the left and right inner surfaces of the card insertion space 47 to limit the direction in which the card 11 is inserted when the card 11 is inserted.

  Here, the shapes and positions of the keys 53 a and 53 b correspond to the shapes and positions of the notches 15 a and 15 b of the card 11.

  Therefore, although details will be described later, the card 11 cannot be inserted in a state of being turned over from the state of FIG.

  That is, the keys 53a and 53b define the direction in which the base frame 3 inserts the card 11.

  Next, the structure of the side frames 5a and 5b will be described with reference to FIGS.

  As shown in FIGS. 3 and 5, the side frames 5a and 5b have prismatic main bodies 21a and 21b.

  Concave portions 35a and 35b having shapes corresponding to the shapes of the left side portion 43a and the right side portion 43b of the base frame 3 are provided on the side portions near the rear end portions 28a and 28b of the main bodies 21a and 21b.

  Engagement holes 37a and 37b into which the engagement protrusions 51a and 51b of the base frame 3 are inserted and engaged are provided on the front end side of the recesses 35a and 35b.

  Note that the engagement holes 37a and 37b and the engagement protrusions 51a and 51b are also used as rotation fulcrums when connecting the base frame 3 and the side frames 5a and 5b, as will be described later.

  In addition, guide grooves 33a and 33b formed in the longitudinal direction are provided on the inner side surfaces of the main bodies 21a and 21b from the recesses 35a and 35b toward the front end portions 26a and 26b of the main bodies 21a and 21b.

  The guide grooves 33a and 33b are portions that serve as guides for inserting and connecting the card 11 into the contact 7 in the card insertion space 47 of the base frame 3, and after the card 11 is inserted, the card 11 It is also a part that holds

  Also, front stands 23 a and 23 b and back stands 25 a and 25 b as stands for attaching the card connector 1 to the board 71 are provided on the lower surfaces 22 a and 22 b of the main bodies 21 a and 21 b.

  The front stands 23a and 23b are provided in the vicinity of the front end portions 26a and 26b, and the back stands 25a and 25b are provided in the vicinity of the rear end portions 28a and 28b.

  The heights (vertical) dimensions of the front stands 23a, 23b and the back stands 25a, 25b define the mounting height of the card connector 1 on the board 71 and vary depending on the application.

  As shown in FIG. 3, the main bodies 21a and 21b are provided with ground lug holes 27a and 27b penetrating from the upper surfaces 24a and 24b to the lower surfaces of the front stands 23a and 23b.

  Ground lugs 17a and 17b are mounted in the ground lug holes 27a and 27b.

  When the ground lugs 17a and 17b are inserted into the ground lug holes 27a and 27b, the bifurcated locking pieces at the lower ends of the ground lugs protrude downward from the lower surfaces of the front stands 23a and 23b, and the intermediate contact pieces in the guide grooves 33a and 33b. Protrusively. When the card 11 is inserted into the guide grooves 33a and 33b, the contact pieces come into contact with the grounding electrodes 14a and 14b on the side surface of the card 11. When the front stand 23a, 23b is attached to the board 71, which will be described later, the bifurcated locking piece is locked and fixed to the through hole of the board 71 and the card 11 is grounded to the board 71.

  On the other hand, boss pins 19a and 19b for attaching the back stands 25a and 25b to a substrate 71 to be described later are provided on the lower surfaces of the back stands 25a and 25b.

  Further, recesses 29a and 29b for connecting the back stands 25a and 25b and the locator 9 are provided on the lower surfaces of the back stands 25a and 25b.

  Fixed shafts 31a and 31b into which holes 61a and 61b of a locator 9 described later are press-fitted are provided on the bottom surfaces of the recesses 29a and 29b.

  The side frame 5a and the side frame 5b are symmetrical to each other, and are connected to the base frame 3 so that the guide grooves 33a and 33b face each other.

  Next, the structure of the locator 9 will be described with reference to FIG.

  As shown in FIG. 6, the locator 9 has a long plate-like main body 55, and an alignment hole 57 as a through hole through which the contact 7 passes is provided on the surface of the main body 55.

  At both ends of the main body 55, convex portions 59a and 59b to be inserted into the concave portions 29a and 29b of the back stands 25a and 25b are provided.

  The convex portions 59a and 59b have shapes corresponding to the shapes of the concave portions 29a and 29b.

  The protrusions 59a and 59b are provided with holes 61a and 61b into which the fixed shafts 31a and 31b of the back stands 25a and 25b are press-fitted.

  The holes 61a and 61b have shapes corresponding to the shapes of the fixed shafts 31a and 31b.

  Next, a method for manufacturing the card connector 1 by combining the base frame 3, the side frames 5a and 5b, the contact 7 and the locator 9 will be described with reference to FIGS.

  First, a method for manufacturing the card connector 1 as a standard type will be described.

  First, as shown in FIG. 7, the contact 7 is moved in the direction of D in FIG. 7, and one end 7 a of the contact 7 is contacted from the rear surface 45 side (see FIG. 4) of the base frame 3. It is inserted into 49 and held through.

  At this time, the other end portion 7 b of the contact 7 is inserted so as to face the lower surface 41 b side of the base frame 3.

  Next, the side frame 5 a is connected to the base frame 3.

  Specifically, first, as shown in FIG. 8, the engagement protrusion 51a of the left side portion 43a is inserted into the engagement hole 37a of the recess 35a obliquely from the rear and engaged with the front edge portion of the engagement hole 37a. At this time, the upper surface 24 a of the side frame 5 a is oriented in the same direction as the upper surface 41 a of the base frame 3.

  Next, in a state where the engagement protrusion 51a is inserted and engaged in the engagement hole 37a, the base frame 3 is attached to the bottom surface of the recess 35a with the insertion engagement portion as a fulcrum, as shown in FIG. 9 is rotated in the direction of B1 in FIG. 9, and the left side portion 43a is press-fitted into the concave portion 35a of the side frame 5a.

  Note that the side frame 5a may be rotated and fitted in the direction of B2 in FIGS. 8 and 9 with the engaging portion between the engaging protrusion 51a and the engaging hole 37a as a fulcrum.

  In this way, the side frame 5a is connected to the base frame 3 as shown in FIG.

  Next, the side frame 5b is connected to the base frame 3 in the same manner as the side frame 5a.

  That is, although illustration is omitted, first, the engagement protrusion 51b of the right side portion 43b is inserted and engaged in the engagement hole 37b of the recess 35b from an oblique direction. At this time, the upper surface 24b of the side frame 5b is set in the same direction as the upper surface 41a of the base frame 3.

  Next, with the engagement protrusion 51b inserted and engaged in the engagement hole 37b, the base frame 3 is rotated with the insertion engagement portion as a fulcrum, and the right side portion 43b is press-fitted into the recess 35b of the side frame 5b. And fit.

  In this way, the side frame 5b is connected to the base frame 3.

  In a state where the side frames 5a and 5b are connected to the base frame 3, the engagement protrusions 51a and 51b engage with the outer surfaces of the side frames 5a and 5b via the engagement holes 37a and 37b, and the side frames 5a and 5b. Restricts left and right movement of Further, the left and right side portions 43a and 43b are fitted into the recesses 35a and 35b to restrict the vertical and front-back movements of the side frames 5a and 5b.

  When the side frames 5a and 5b are connected to the base frame 3, the locator 9 is next connected to the side frames 5a and 5b.

  Specifically, as shown in FIG. 11, the locator 9 is disposed below the end portion 7b of the contact 7 and moved in the direction of A3 in the figure, and the convex portions 59a and 59b are arranged on the side frames 5a and 5b. Inserted into the recesses 29a and 29b, the fixed shafts 31a and 31b (see FIG. 5) of the side frames 5a and 5b are press-fitted and fixed in the holes 61a and 61b of the locator 9. Thus, by connecting the locator 9 to the side frames 5a and 5b, the connection of the side frames 5a and 5b to the base frame 3 can be further strengthened.

  At this time, the vertical portion of the contact 7 is inserted into the alignment hole 57 of the locator 9.

  The attachment of the ground lugs 17a, 17b to the side frames 5a, 5b is performed during any of the above-described steps as necessary.

  In this way, the standard card connector 1 is completed.

  When the card connector 1 is mounted and connected to the board 71, the boss pins 19a and 19b protruding from the lower surfaces of the back stands 25a and 25b are inserted and locked in holes (not shown) provided in the board 71.

  Further, the two-pronged locking pieces of the ground lugs 17a and 17b protruding from the lower surfaces of the front stands 23a and 23b are inserted and locked in through holes (not shown) provided in the substrate 71.

  Further, the end 7b of the contact 7 is inserted into a through hole (not shown) provided in the substrate 71 and soldered. In addition, you may solder further the bifurcated latching piece of the earth lugs 17a and 17b inserted and latched in the through hole.

  In this way, the standard card connector 1 is mounted and connected to the upper surface 71a of the substrate 71 as shown in FIG.

  In FIG. 12A, the base frame 3 is not in contact with the substrate 71.

  Here, as shown in FIG. 12A, the base frame 3 has the upper surface 41 a in the same direction as the upper surface 71 a of the substrate 71.

  Further, the lower surface 41 b is in the same direction as the lower surface 71 b of the substrate 71.

  Next, a procedure for inserting the card 11 into the card connector 1 manufactured as described above will be described with reference to FIG.

  First, as shown in FIG. 1, the card 11 is set so that the upper surface 13 a is in the same direction as the upper surface 41 a of the base frame 3.

  Next, the card 11 is moved in the direction of A2 in FIG. 1, and the end portions 13c of the card 11 are inserted into the card of the base frame 3 using the guide grooves 33a and 33b (see FIG. 5) of the side frames 5a and 5b as guides. Insert into the space 47.

  At the same time, the end 7a of the contact 7 is inserted into and contacted with a connector portion (not shown) of the end 13c, and the contact 7 and the card 11 are electrically connected.

  At this time, since the grounding electrodes 14a and 14b on the side surface of the card 11 come into contact with the contact pieces of the ground lugs 17a and 17b, if the forked engagement pieces of the ground lugs 17a and 17b are connected to the through holes of the substrate 71, The card 11 is connected to the ground circuit of the substrate 71 through the through hole.

  Here, keys 53 a and 53 b are provided on the left and right inner wall surfaces of the card insertion space 47, and the shapes and positions of the keys 53 a and 53 b correspond to the shapes and positions of the notches 15 a and 15 b of the card 11. .

  Therefore, if the card 11 is not oriented so that the notches 15a and 15b and the keys 53a and 53b are engaged, that is, the upper surface 13a of the card 11 is not oriented in the same direction as the upper surface 41a of the base frame 3, the card insertion space 47 Cannot be inserted inside.

  Therefore, the card connector 1 can prevent the card 11 from being inserted in the reverse direction.

  When the end portion 13c of the card 11 reaches a position where it abuts against the bottom surface of the card insertion space 47, the insertion is terminated.

  Next, a method for manufacturing the reverse card connector 1 by combining the base frame 3, the side frames 5a and 5b, the contact 7 and the locator 9 will be briefly described.

  First, one end 7a of the contact 7 is inserted into the contact hole 49 from the rear surface 45 side (see FIG. 4) of the base frame 3 and is held through.

  At this time, the other end portion 7 b of the contact 7 faces the upper surface 41 a side of the base frame 3.

  Next, the side frames 5 a and 5 b are connected to the base frame 3.

  Specifically, the engagement protrusion 51b of the right side portion 43b of the base frame 3 is inserted into and engaged with the engagement hole 37a of the concave portion 35a of the side frame 5a, and the base frame 3 is mounted using the insertion and engagement portion as a fulcrum. Rotate to press fit and fit the right side 43b into the recess 35a. At this time, the upper surface 24 a of the side frame 5 a is oriented in the same direction as the lower surface 41 b of the base frame 3.

  Next, the side frame 5b is similarly connected to the base frame 3.

  Specifically, the left side 43a of the base frame 3 is press-fitted and fitted into the recess 35b of the side frame 5b. At this time, the upper surface 24b of the side frame 5b is set in the same direction as the lower surface 41b of the base frame 3.

  In other words, in the case of the reverse type, the left and right side frames 5a and 5b are switched to the left and right sides of the base frame 3 so as to be reversed in the right and left direction, and are connected upside down.

  Next, the locator 9 is connected to the side frames 5a and 5b in the same manner as in the standard type.

  The attachment of the ground lugs 17a, 17b to the side frames 5a, 5b is performed during any of the above-described steps as necessary.

  In this way, the side frame 5b is connected to the base frame 3, and the reverse card connector 1 as shown in FIG. 13 is completed.

  Such a reverse type card connector is mounted and connected to the substrate 71 as shown in FIG.

  At this time, the bifurcated locking pieces of the ground lugs 17a and 17b protruding from the lower surfaces of the front stands 23a and 23b and the boss pins 19a and 19b of the back stands 25a and 25b are inserted into through holes and holes (not shown) provided in the substrate 71. Stop. The end 7b of the contact 7 is inserted into a through hole (not shown) provided in the substrate 71 and soldered.

  In this manner, the reverse card connector 1 is attached to the lower surface 71b of the substrate 71 as shown in FIG.

  Here, as shown in FIG. 12B, the base frame 3 has the upper surface 41 a in the same direction as the upper surface 71 a of the substrate 71, as in the standard type.

  Further, the lower surface 41 b is in the same direction as the lower surface 71 b of the substrate 71.

  Therefore, when inserting the card 11, the upper surface 13a can be inserted in the same direction as the upper surface 71a of the substrate 71, as in the standard type.

  As described above, according to the first embodiment, the card connector 1 can connect the side frame 5a and the side frame 5b to either the left side 43a or the right side 43b of the base frame 3.

  That is, the card connector 1 can be used as a standard type or a reverse type by switching the side frames 5a, 5b to the left and right sides 43b and turning the side frames 5a, 5b upside down and connecting them to the left side 43a, the right side 43b. .

  Therefore, the base frame 3, side frames 5a, 5b, contacts 7, and locator 9 constituting the card connector 1 can be made common, and there is no need to separately manufacture parts corresponding to the standard type and the reverse type.

  Further, the base frame 3, the side frame 5a, and the side frame 5b are not integrated, but are separate components.

  Therefore, compared with the case where they are integrated, there are few problems of enlargement of parts and complication of shape, productivity is good, and defects are hardly generated.

  The base frame 3 and the side frames 5a and 5b are connected by inserting and engaging the engaging projections 51a and 51b of the base frame 3 into the engaging holes 37a and 37b of the side frames 5a and 5b, and rotating the base frame 3. It can be done with an extremely simple operation. In addition, the engagement protrusions 51a and 51b engage with the side edges of the engagement holes 37a and 37b, and the left side portion 43a and the right side portion 43b are press-fitted and fitted into the recesses 35a and 35b, so that they are securely and firmly connected. be able to.

  Next, the structure of the card connector 1a according to the second embodiment will be described with reference to FIG.

  In the card connector 1a according to the second embodiment, the engagement protrusions 79a and 79b provided on the left and right side surfaces of the left and right side portions 43a and 43b of the base frame 77 in the first embodiment are not front end portions. , Provided at the rear end.

  In the second embodiment, elements having the same functions as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

  As shown in FIG. 14, the card connector 1 a is provided with engagement protrusions 79 a and 79 b on the left side 43 a and the right side 43 b of the base frame 77.

  The engaging protrusions 79a and 79b are provided so as to protrude rearward from the center in the height (vertical) direction of the rear end of each of the left and right side surfaces 43a and 43b.

  Thus, the engagement protrusions 79a and 79b may be provided not at the front end but at the rear end.

  Further, the engagement hole 81b provided in the recess 35b of the side frame 75b is also provided on the rear end side of the recess 35b corresponding to the position of the engagement protrusion 79b.

  Further, although not shown, the same applies to the side frame 75a.

  According to the second embodiment, the base frame 77 and the side frames 75a and 75b have engaging projections 79a and 79b extending from the oblique directions to the engaging holes 81a (not shown) and 81b, as in the first embodiment. By inserting and engaging, and rotating the base frame 77, the left and right side portions 43b and 43a can be press-fitted and connected to recesses 35a and 35b (not shown). In addition, the left and right side frames 75b and 75a can be reversed to the left and right sides 43b and 43a of the base frame 77, and can be connected upside down.

  Accordingly, the same effects as those of the first embodiment are obtained.

  Next, the structure of the card connector 1b according to the third embodiment will be described with reference to FIG.

  In the card connector 1b according to the third embodiment, the heights of the front stands 87a and 87b and the back stands 89a and 89b are higher than those of the front stands 23a and 23b and the back stands 25a and 25b in the first embodiment. Is.

  Note that in the third embodiment, elements that perform the same functions as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 15, in the card connector 1b, the height of the front stand 87a of the side frame 85a, the back stand 89a, the front stand 87b of the side frame 85b, and the back stand 89b is higher than that of the first embodiment. This is a so-called stand-off frame.

  Here, in the card connector 1b, the base frame 3, the side frame 85a, and the side frame 75b are separate components.

  Therefore, the same base frame 3 as that of the first embodiment can be used, and even if a frame with a different standoff height is required, a part of the parts used for manufacturing is used in the card according to the first embodiment. Can be diverted from the connector 1 components.

  That is, when manufacturing the card connector 1b having different mounting heights with respect to the board, only the side frames 85a and 85b having different stand heights are prepared, and other components can be used.

  Thus, according to the third embodiment, the card connector 1b includes the base frame 3, the side frame 85a, the side frame 85b, the contact 7, and the locator 9.

  Accordingly, the same effects as those of the first embodiment are obtained.

  Next, the structure of the card connector 1c according to the fourth embodiment will be described with reference to FIG.

  In the card connector 1c according to the fourth embodiment, in the first embodiment, the engagement protrusions 111a and 111b of the base frame 91 are shaped like dovetails and the side frames 93a and 93b (not shown) are engaged. The joint holes 103a and 103b (not shown) have a dovetail shape.

  Note that in the fourth embodiment, elements that perform the same functions as in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 16, the base frame 91 has a main body 109. On the left and right side surfaces of the left side 110a and the right side 110b of the main body 109, a dovetail shape extending in the front-rear direction at the center in the height (up and down) direction. Engaging protrusions 111a and 111b having a shape are provided.

  Holes 113a and 113b are provided on the rear surface side of the left and right side portions from the upper surface 41a to the lower surface 41b.

  On the other hand, an engagement hole 103a having a dovetail shape is provided at the bottom of the recess 35a of the side frame 93a.

  The shape of the engagement hole 103a has a shape corresponding to the shape of the engagement protrusion 111a.

  Similarly, although not shown, the recess 35b of the side frame 93b is provided with an engagement hole 103b having a dovetail shape.

  The shape of the engagement hole 103b has a shape corresponding to the shape of the engagement protrusion 111b.

  The recesses 35a, 35b and the engagement holes 103a, 103b are provided open to the rear end portions 28a, 28b of the back stands 25a, 25b of the main bodies 101a, 101b, and the ends of the recesses 35a, 35b are provided. Near the portion, holes 105a and 105b (not shown) penetrating vertically through the recesses 35a and 35b are provided on the rear end portions 28a and 28b of the main bodies 101a and 101b.

  Furthermore, the locator 99 has a rod-shaped main body 115, and a fixed shaft 121a having a shape corresponding to the holes 113a and 105a is provided at one end of the main body 115.

  A fixed shaft 121b corresponding to the shape of the holes 113b and 105b is provided at the other end of the main body 115.

  Next, a method for manufacturing the card connector 1c by combining the base frame 91, the side frames 93a and 93b, the contact 7 (not shown), and the locator 99 will be described.

  First, a method for manufacturing the card connector 1c as a standard type will be described with reference to FIG.

  First, as in the first embodiment, one end portion 7a of the contact 7 (not shown) is inserted into the contact hole 49 of the base frame 91 and held through.

  At this time, the other end 7 b of the contact 7 is inserted so as to face the lower surface 41 b side of the base frame 91.

  Next, the base frame 91 is connected to the side frame 93a.

  Specifically, the left side 110a and the engagement protrusion 111a of the base frame 91 are inserted into the recess 35a and the engagement hole 103a of the side frame 93a, respectively, and are press-fitted and fitted.

  At this time, the left side portion 110a and the engagement protrusion 111a are moved in the direction E from the rear end portion 28a side of the back stand 89a of the side frame 93a, and are slid into the recess 35a and the engagement hole 103a.

  At the time of insertion, the center of the hole 113a and the hole 105a are made to coincide.

  Next, the base frame 91 is connected to the side frame 93b as in the case of connecting the side frame 93a.

  Specifically, although not shown, the right side portion 110b and the engagement protrusion 111b of the base frame 91 are inserted into the recess 35b and the engagement hole 103b of the side frame 93b, respectively, and are press-fitted and fitted.

  At this time, the right side portion 110b and the engagement protrusion 111b are inserted by sliding into the recess portion 35b and the engagement hole 103b from the rear end portion 28b side of the back stand 89b of the side frame 93b.

  When inserting, the centers of the hole 113b and the hole 105b are made to coincide.

  Next, the fixed shafts 121a and 121b of the locator 99 are moved from the lower surface 41b side of the base frame 91 in the direction of E2 in FIG. 16, and the holes 105a and 105b and 113a and 113b are press-fitted.

  At this time, the vertical portion of the contact 7 (not shown) passes through the alignment hole 57 and is aligned.

  In this way, the standard card connector 1c is completed.

  Here, since the base frame 91 has dovetail-like engagement protrusions 111a and 111b inserted into the dovetail engagement holes 103a and 103b, the presence of the engagement protrusion and the engagement holes causes the base frame 91 to The movement of the side frames 93a and 93b in the vertical and horizontal directions is restricted.

  On the other hand, since the fixed shaft 121a of the locator 99 is inserted into the holes 113a and 105a and the fixed shaft 121b is inserted into the holes 113b and 105b, the presence of the fixed shafts 121a and 121b causes the base frame 91 to exist. The movement of the side frames 93a and 93b in the front-rear direction is restricted.

  In this way, the card connector 1c connects and fixes the base frame 91 and the side frames 93a and 93b by the dovetail, dovetail groove and fixed shaft.

  Next, a method for manufacturing the card connector 1c as a reverse type will be briefly described.

  First, one rear end portion 28a of the contact 7 (not shown) is inserted into the contact hole 49 and held through. In that case, it inserts so that the edge part 7b may face the upper surface 41a side of the base frame 91. FIG.

  Next, unlike the standard type, the left and right sides 110a and 93b of the side frame 93b and the engaging projection 111a are connected to the concave portion 35b of the side frame 93b. The right side portion 110b and the engagement protrusion 111b of the base frame 91 are inserted into the joint hole 103b, respectively, and the concave portion 35a and the engagement hole 103a of the side frame 93a.

  Next, the fixed shafts 121 a and 121 b of the locator 99 are press-fitted into the holes 113 a and 113 b from the upper surface 41 a side of the base frame 91.

  At this time, the vertical portion of the contact 7 (not shown) passes through the alignment hole 57 and is aligned.

  Thus, the reverse type card connector 1c is completed.

  Thus, according to the fourth embodiment, the card connector 1c includes the base frame 91, the side frames 93a and 93b, the contacts 7, and the locator 99.

  Accordingly, the same effects as those of the first embodiment are obtained.

  In the above-described embodiment, the case where the present invention is applied to the card connector 1 for connecting the card 11 that is a PC card and the board 71 has been described. However, the present invention is not limited to this. It can also be used for a card connector for connecting a card other than a PC card.

FIG. 1A is a perspective view showing a standard type card connector 1 and a card 11, and FIG. 1B is a view taken in the direction of the arrow A1 of the card 11 in FIG. It is a figure which shows the state which reversed the connector 1 for cards of Fig.1 (a). FIG. 2 is an exploded perspective view of the card connector 1 in FIG. 4 (a) is a perspective view showing the base frame 3, and FIG. 4 (b) is a view in the direction of arrow C in FIG. 4 (a). FIG. 5A is a side view showing the side frame 5a, and FIG. 5B is a side view showing the side frame 5b. It is a perspective view which shows the locator 9. FIG. It is a figure which shows the procedure which manufactures the connector 1 for cards. It is a figure which shows the procedure which manufactures the connector 1 for cards. It is a figure which shows the procedure which manufactures the connector 1 for cards. It is a figure which shows the procedure which manufactures the connector 1 for cards. It is a figure which shows the procedure which manufactures the connector 1 for cards. 12A is a view showing a state in which the standard type card connector 1 is connected to the substrate 71, and FIG. 12B is a view showing a state in which the reverse type card connector 1 is connected to the substrate 71. It is. 1 is a perspective view showing a reverse type card connector 1. FIG. It is a disassembled perspective view which shows the connector 1a for cards, Comprising: The side frame 75a, the locator 9, and the earth lug 17b are abbreviate | omitting description. It is a perspective view which shows the connector 1b for cards. It is a disassembled perspective view which shows the connector 1c for cards, Comprising: The side frame 93b, the contact 7, and the earth lug 17a are abbreviate | omitting description.

Explanation of symbols

1 …… Card connector 1a …… Card connector 1b …… Card connector 1c …… Card connector 3 …… Base frame 5a …… Side frame 7 …… Contact 9… ……… Locator 11 ……… Card 15a …… Notch 17a …… Earth lug 19a …… Bospin 21a …… Body 23a …… Front stand 25a …… Back stand 27a …… Earth lug hole 29a …… Recess 31a …… Fixed Shaft 33a …… Guide groove 35a …… Recess 37a …… Engagement hole 41 ……… Main body 43a …… Left side 47 ……… Card insertion space 49 ……… Contact hole 51a …… Engagement protrusion 57 ……… Alignment Hole 59a …… Convex part 61a …… Hole part 71 ……… Substrate

Claims (7)

A card connector mounted on a board and electrically connecting the board and the card,
A base frame having a card insertion space that opens to the front, and a key that defines an insertion direction of the card on an inner wall portion of the card insertion space;
A plurality of contacts held by the base frame, one end protruding into the insertion space;
A pair of left and right side frames that extend forward from the left and right sides of the base frame and guide and connect the card to the contacts in the insertion space;
In the card connector in which a mounting stand for the substrate is provided on the lower surface of the side frame,
The base frame has first engaging portions on both left and right side portions, and the pair of left and right side frames has second engaging portions on the inner side facing the left and right side portions of the base frame. A card connector comprising the pair of left and right side frames coupled to both side portions of the base frame by engaging the first engagement portion with the second engagement portion.   The first engagement portion and the second engagement portion are configured to be engageable by reversing the left and right sides of the pair of side frames and reversing the left and right sides of the base frame. The card connector according to claim 1, wherein:   The first engagement portion is an engagement protrusion that protrudes forward or rearward from a central portion in the height direction of each of the left and right sides of the left and right sides of the base frame, and the second engagement portion is 3. A card connector according to claim 2, comprising a recess into which both side portions of the base frame are fitted, and an engagement hole provided so that the engagement protrusion is inserted into and engaged with the bottom of the recess. .   The card connector according to claim 3, wherein the engagement protrusion protrudes forward from a front end of each of the left and right side surfaces.   4. The card connector according to claim 3, wherein the engaging protrusion protrudes rearward from a rear end of each of the left and right side surfaces. The first engagement portion is a dovetail extending in the front-rear direction provided at the center in the height direction of the left and right side surfaces of the left and right sides of the base frame,
The second engagement portion is a recess that opens rearward and into which both side portions of the base frame are fitted, and a dovetail groove that engages with the dovetail provided at the bottom of the recess. Item 3. A card connector according to Item 2. The card connector further includes a locator that is inserted into the contact protruding from the rear surface of the base frame and aligns the contact;
2. The card connector according to claim 1, wherein both left and right end portions of the locator are connected to rear end portions of the left and right side frames.

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