TWI686019B - Card edge connector - Google Patents

Abstract

A card edge connector includes an elongated insulating shell and a plurality of conductive terminals. The insulating casing extends in a longitudinal direction, and has a terminal mounting wall and a limiting wall that are spaced apart from each other and extend in the longitudinal direction, and connect the terminal mounting wall and the limiting wall at both ends in the longitudinal direction, respectively The two end walls, and the terminal mounting wall, the limiting wall and the two end walls together form a top insertion surface and a bottom installation surface on opposite sides in a height direction and jointly define a card edge insertion The slot, the opening of the card edge slot is formed on the top insertion surface, wherein the height of at least part of the limiting wall in the height direction is lower than the terminal mounting wall. The conductive terminals are arranged on the terminal mounting wall in a row along the length direction.

Description

Card edge connector

The invention relates to an electrical connector, in particular to a card edge connector.

There is a type of card edge connector that can insert the card edge into the card slot of the card edge connector with different insertion angles. For example, Taiwan Patent Application No. TW099218311 (Chinese Patent Correspondence Application No. CN201120162938.5) discloses an electrical connector, which includes an insulating seat body with a connection slot for inserting a power supply card, and the insulating seat body is arranged in a horizontally placed circuit When on the board, the opening of the connection slot faces forward, and conductive terminals are provided on the upper and lower sides of the connection slot. The connection slot is extended obliquely downward from the front side to the rear side of the insulating housing, and can be obliquely inserted into the electronic card, and then rotated to a horizontal position to be fixed. However, when manufacturing the insulating seat body, it is more difficult to form the shape of the connecting groove with a mold, which will increase the cost of mold design and manufacturing. Moreover, when the electronic card is inserted into the connection slot and rotated in the connection slot, it will contact with the entire wall surface of the connection slot, resulting in greater frictional resistance.

Furthermore, for example, Taiwan Patent Application No. TW102220485 (Chinese Patent Correspondence Application No. CN201320624144.5) discloses a card edge connector, which includes an insulating body and a metal part provided on the insulating body, the insulating body has a card slot, and the metal part Together with the insulating body, the card insertion position is limited to a first direction and a second direction, so that the electronic card inserted into the card slot can be rotated between the first direction and the second direction, and can be optionally fixed at a position therebetween on. Although only a small part of the electronic card is in contact with the metal part when it is inserted into the card slot, the friction resistance can be greatly reduced, but because the metal part needs to be assembled with the insulating body, the assembly procedure is increased.

In addition, most of the existing card edge connectors are provided with conductive terminals on both sides of the card slot, and the wall height of the insulating housing on both sides of the card slot is equal, which makes the overall volume of the card edge connector occupy a larger space , There are still some unsatisfactory applications that need improvement.

Therefore, one of the objects of the present invention is to provide a card edge connector that can solve at least one of the aforementioned problems.

Therefore, in some embodiments, the card edge connector of the present invention includes an elongated insulating housing and a plurality of conductive terminals. The insulating casing extends in a longitudinal direction, and has a terminal mounting wall and a limiting wall that are spaced apart from each other and extend in the longitudinal direction, and connect the terminal mounting wall and the limiting wall at both ends in the longitudinal direction, respectively The two end walls, and the terminal mounting wall, the limiting wall and the two end walls together form a top insertion surface and a bottom installation surface on opposite sides in a height direction and jointly define a card edge insertion The slot, the opening of the card edge slot is formed on the top insertion surface, wherein the height of at least part of the limiting wall in the height direction is lower than the terminal mounting wall. The conductive terminals are arranged on the terminal mounting wall in a row along the length direction.

In some embodiments, the terminal mounting wall has two first ends respectively connected to the two end walls, the limit wall has two second ends respectively connected to the two end walls, and the card edge slot There are two guiding and limiting groove portions located at both ends of the longitudinal direction respectively, and each guiding and limiting groove portion is jointly defined by a corresponding end wall, a first end portion and a second end portion, so as to be suitable for an electronic model When the set of cards is inserted into the card edge slot, the guide limiting grooves are used to limit the card of the electronic module to a first position inclined to the terminal mounting wall relative to the height direction compared to the An angle between a second position where the inclination angle of the first position with respect to the height direction is small is inserted into the card edge slot.

In some embodiments, the terminal mounting wall further has a terminal setting portion between the two first ends and provided with the conductive terminals, and the limiting wall also has a terminal between the two second ends And the height in the height direction is lower than a low wall portion of the two second end portions, the low wall portion is opposite to the terminal setting portion and constitutes a region where the height of the limit wall is lower than the terminal mounting wall , So that the limiting wall forms a notch recessed by the top insertion surface in the height direction.

In some embodiments, the low wall portion has an inner wall surface facing the terminal mounting wall, and the limiting wall is away from the terminal mounting wall at the inner wall surface compared to the two second end portions Inwardly retracted, the limiting wall further has a plurality of limiting projections spaced apart from each other protruding from the inner wall surface toward the terminal mounting wall, the contours of the limiting projections on the side facing the terminal mounting wall and the two The second end is located at the same height position as the limit projections, and the limit projections are slightly retracted from the two second ends toward the direction away from the terminal mounting wall, each limit position The bump has a beveled edge surface extending obliquely from the inner wall surface toward the top insertion surface and gradually approaching the terminal mounting wall, and a top edge surface extending from the beveled edge surface toward the top insertion surface.

In some embodiments, the insulating housing further has a bottom wall connected to the terminal mounting wall and the limiting wall and located on the opposite side of the opening of the card edge slot, and the bottom wall has a plurality of Opening at the position of the limit bump.

In some embodiments, the terminal installation portion has a straight surface of the mounting wall close to the bottom mounting surface and extending in the height direction, and a direction from the straight surface of the mounting wall toward the top insertion surface and gradually away from the limit wall An oblique surface of the mounting wall extending obliquely, the contour of the terminal setting portion facing the limiting wall side cooperates with the two first end portions and slightly away from the limiting wall direction at the two first end portions Shrink in.

In some implementations, the first end faces the second end sides to form a first straight surface extending in the height direction and from the top side of the first straight surface toward the top insertion surface and gradually A first inclined surface extending obliquely away from the limit wall, the second end portions facing the first end sides form a second inclined surface extending in the same direction as the first inclined surface and the second inclined surface A second straight surface extending from the top side toward the top insertion surface in the height direction, the second inclined surface is closer to the bottom mounting surface than the first inclined surface and is at a different height in the height direction to shift the position to Together, the card guide and the limit of the electronic module are in the first position, and the second straight surface is closer to the top insertion surface than the first straight surface and is at a different height in the height direction to make the position phase Staggered to jointly guide and limit the card of the electronic module in the second position.

In some embodiments, the second end portions facing the first end sides also form a portion that extends diagonally from the top side of the second straight surface toward the top insertion surface in a direction gradually away from the terminal mounting wall Guide surface.

In some embodiments, at least one board fixing member disposed at the middle of the limiting wall and outside the card edge slot is suitable for soldering and fixing a circuit board.

In some embodiments, each conductive terminal has a base portion exposing the bottom mounting surface, a contact portion extending into the card edge slot, and an elastic arm portion connecting the base portion and the contact portion, the elastic arm The portion is composed of an inner elastic arm and an outer elastic arm which together form a closed loop, and the inner elastic arm and the outer elastic arm each form a corresponding extension from the base towards the limiting wall and at the end towards the top A bottom reversal section bent in the reverse direction, a first oblique section extending obliquely from the end of the bottom reversal section toward the top insertion surface and gradually away from the limit wall, the first oblique section A top anti-bending section extending toward the end of the limit section toward the limit wall, and extending obliquely from the end of the top anti-bending section toward the bottom mounting surface and gradually approaching the limit wall and connecting the end A second oblique section of the contact portion.

In some embodiments, the distance between the inner elastic arm and the outer elastic arm in different sections is different, and the widths of the inner elastic arm and the outer elastic arm in different sections are also different.

The present invention has at least the following effect: By making the height of at least a part of the limiting wall lower than the terminal mounting wall to form a concession space for the power supply submodule, the insertion position of the main body of the electronic module can be reduced. Moreover, the conductive terminal is only provided on the terminal mounting wall but not on the limiting wall, which also reduces the overall volume of the card edge connector.

Referring to FIGS. 1 to 4, an embodiment of the card edge connector of the present invention is suitable for being mounted on a circuit board 4. The card edge connector 100 includes an elongated insulating housing 1, a plurality of conductive terminals 2, and many A board fixing member 3 for fixing the insulating housing 1 to the circuit board 4.

The insulating case 1 extends in a longitudinal direction D1, and has a terminal mounting wall 11 and a limit wall 12 that are spaced apart from each other and extend in the longitudinal direction D1, and connect the terminal mounting walls at both ends of the longitudinal direction D1, respectively 11 and the two end walls 13 of the limiting wall 12, and the terminal mounting wall 11, the limiting wall 12 and the two end walls 13 together form a top insertion surface on opposite sides in a height direction D2 14 and a bottom mounting surface 15 together define a card edge slot 16, the opening of the card edge slot 16 is formed in the top insertion surface 14. The height of at least part of the limiting wall 12 in the height direction D2 is lower than the terminal mounting wall 11. In the present embodiment, the terminal mounting wall 11 has two first ends 111 respectively connected to the two end walls 13, and a terminal between the two first ends 111 and provided with the conductive terminals 2 Terminal setting section 112. The limiting wall 12 has two second ends 121 connected to the two end walls 13 respectively, and a height between the two second ends 121 in the height direction D2 is lower than the two second ends 121的一短壁部122。 122 of a low wall. The low wall portion 122 is opposite to the terminal setting portion 112 and constitutes a region where the height of the limiting wall 12 is lower than the terminal mounting wall 11, and the limiting wall 12 is formed by the top insertion surface 14 at the height A notch 123 recessed in the direction D2. In this embodiment, the height of the low wall portion 122 is about two-thirds of the height of the terminal mounting wall 11 and can be changed according to actual needs. The low wall portion 122 has an inner wall surface 122 a facing the terminal mounting wall 11, and the limiting wall 12 is away from the terminal mounting wall 11 at the inner wall surface 122 a compared to the two second end portions 121 Inward. The limit wall 12 further has a plurality of limit protrusions 124 spaced apart from each other and protruding from the inner wall surface 122 a toward the terminal mounting wall 11. The insulating housing 1 further has a bottom wall 17 connecting the terminal mounting wall 11 and the limiting wall 12 and located on the opposite side of the opening of the card edge slot 16, and the bottom wall 17 has a plurality of corresponding to the limits The position of the positioning bump 124 and the opening 171 of the second end 121 are used to easily form the limiting bump 124 and the second end 121 when molding the insulating housing 1. The card edge slot 16 has two guiding and limiting groove portions 161 respectively located at two ends of the longitudinal direction D1. Each guiding and limiting groove portion 161 is composed of a corresponding end wall 13, a first end 111 and a second end Department 121 is jointly defined.

5 to 7, specifically, the first end 111 of the terminal mounting wall 11 facing the second end 121 of the limit wall 12 forms a first straight surface 111 a extending in the height direction D2 and is formed by the A first inclined surface 111b of which the top side of the first straight surface 111a extends diagonally toward the top insertion surface 14 and gradually away from the limiting wall 12. The terminal setting portion 112 has a mounting wall straight surface 112a close to the bottom mounting surface 15 and extending in the height direction D2, and the mounting wall straight surface 112a is inclined toward the top insertion surface 14 and gradually away from the limiting wall 12 A mounting wall inclined surface 112b, the contour of the terminal setting portion 112 facing the limiting wall 12 is matched with the two first end portions 111 and away from the limiting position compared to the two first end portions 111 The direction of the wall 12 is slightly retracted by a distance G1. The second end 121 of the limiting wall 12 faces the first end 111 to form a second inclined surface 121a extending in the same direction as the first inclined surface 111b, from the top side of the second inclined surface 121a toward the top insertion surface 14 A second straight surface 121b extending in the height direction D2, and a guide surface 121c extending obliquely from the top side of the second straight surface 121b toward the direction gradually away from the terminal mounting wall 11 to the top insertion surface 14. Each of the two end walls 13 is also formed with a guiding inclined surface 131 similar to the guiding surface 121c. The contours of the limiting protrusions 124 on the side facing the terminal mounting wall 11 cooperate with the portions of the two second ends 121 at the same height, and the contours of the limiting protrusions 124 are lower than those of the second ends The portion 121 is slightly retracted by a distance G2 in a direction away from the terminal mounting wall 11. Each limiting protrusion 124 has a slanted edge surface 124a extending obliquely from the inner wall surface 122a toward the top insertion surface 14 and gradually approaching the terminal mounting wall 11 and plugged from the slanted edge surface 124a toward the top A top edge surface 124b of the surface 14 extends. In this embodiment, the top edge surface 124b is an upright surface extending in the height direction, but in a variant embodiment, it may also be a curved surface in the form of a rounded corner.

Referring to FIGS. 8 and 9, the second inclined surface 121 a of the guide limiting groove portion 161 is closer to the bottom mounting surface 15 than the first inclined surface 111 b and is at a different height in the height direction D2 to shift the position, It is suitable for guiding and limiting the card 51 of an electronic module 5 (see FIG. 20) in a first position inclined to the terminal mounting wall 11 with respect to the height direction D2. For convenience of explanation, the main body 52 of the electronic module 5 is omitted in FIGS. 8 to 13. Referring to FIGS. 10 and 11, the second straight surface 121 b of the guide limiting groove portion 161 is closer to the top insertion surface 14 than the first straight surface 111 a and is at a different height in the height direction D2 so that the position is relative to It is staggered to be suitable for jointly guiding and limiting the card 51 of the electronic module 5 at a second position with a smaller inclination angle with respect to the height direction D2 than the first position. In this embodiment, the first position allows the card 51 to have an inclination angle of 27 degrees with respect to the height direction D2 (ie, the direction perpendicular to the bottom mounting surface 15), and the second position allows the card 51 with respect to the height direction D2 The tilt angle is 0 degrees, even if the card 51 is set upright. Referring to FIGS. 12 and 13, the user can choose to insert the card 51 of the electronic module 5 into the card edge slot 16 at any angle between the first position and the second position to make the card 51 relative to the height direction D2 A tilt angle between 0 and 27 degrees. In other words, the guide limiting groove 161 defined by the corresponding end wall 13, the first end 111 and the second end 121 can limit the tilt of the card 51 of the electronic module 5 relative to the height direction D2 The card edge slot 16 is inserted at an angle between a first position toward the terminal mounting wall 11 and a second position having a smaller inclination angle with respect to the height direction D2 than the first position. The guide surface 121c of the second end 121 and the guide slope 131 of the end wall 13 can guide the card 51 into the card edge slot 16 at the initial stage of inserting the card 51 into the card edge slot 16. As shown in FIGS. 9 and 11, the terminal setting portion 112 is retracted from the two first end portions 111 and the limiting protrusion 124 is retracted from the two second end portions 121, so that the card 51 is inserted into the first The process of the position or the second position does not contact the terminal setting portion 112 and the limiting protrusion 124, but can reduce the contact area between the card 51 and the insulating case 1 to reduce the friction resistance.

Referring to FIGS. 14 to 17, in this embodiment, each conductive terminal 2 has a base portion 21 that exposes the bottom mounting surface 15, a contact portion 22 that extends into the card edge slot 16, and connects the base portion 21 and the An elastic arm portion 23 of the contact portion 22, a holding portion 24, and a supporting block 25 connecting the base portion 21 and the holding portion 24. In addition to the support block 25, the conductive terminal 2 is stamped and formed from a metal plate, and has a flat plate shape with a uniform thickness. The supporting block 25 is made of an insulating material and directly connects the base portion 21 and the holding portion 24 together after forming by insert molding. The elastic arm portion 23 is composed of an inner elastic arm 231 and an outer elastic arm 232 that together form a closed loop, and the inner elastic arm 231 and the outer elastic arm 232 each form a corresponding one from the base portion 21 toward the limit wall 12 Bottom reversal sections 231a, 232a extending and bent at the end toward the top insertion surface 14 reversely, from the end of the bottom reversal sections 231a, 232a toward the top insertion surface 14 and gradually away from the limit wall A first oblique section 231b, 232b extending obliquely in the direction of 12, a top anti-bending section 231c, 232c extending from the end of the first oblique section 231b, 232b in a reverse bending direction toward the limit wall 12, and A second oblique section 231d, 232d extending from the ends of the top reversing sections 231c, 232c toward the bottom mounting surface 15 and gradually approaching the limiting wall 12 and connected to the contact portion 22 at the end. The inner elastic arm 231 and the outer elastic arm 232 have different contours, and the spacing between different sections is inconsistent, for example, the first spacing S1 between the top and back folding sections 231c, 232c is larger than that in the first oblique section A second distance S2 between 231b and 232b, and the second distance S2 is greater than a third distance S3 between the second diagonal sections 231d and 232d. The widths of the same elastic arms are also different. In some sections, the width W1 of the inner elastic arm 231 is greater than the width W2 of the outer elastic arm 232. For example, the width W1 of the inner elastic arm 231 is greater than the external width of the top reflex sections 231c and 232c. The width W2 of the spring arm 232. In some sections, the width W1 of the inner elastic arm 231 is greater than the width W2 of the outer elastic arm 232 and in some sections, the distance between the outer elastic arm 232 and the inner elastic arm 231 is increased to control the deflection of the conductive terminal 2 Behavior, can prevent excessive deflection of the conductive terminal 2 and avoid permanent deformation of the conductive terminal 2, and has the effect of resistance to vibration and shock, and can be stable with the card 51 (see FIG. 22) inserted into the card edge slot 16 Excellent effect of contact. In addition, the positioning protrusion 124 is located opposite to the conductive terminal 2, which can limit the card edge of the card 51, prevent warpage, and maintain stable mechanical and electrical connection between the card edge of the card 51 and the plurality of conductive terminals 2.

16 and 17, the support block 25 has a main body portion 251, a concave portion 252 and a convex portion 253, the concave portion 252 and the convex portion 253 are located on opposite sides, and the concave portion 252 is closer to the convex portion 253 than the main body portion 251 The concave portion 253 protrudes in a direction away from the concave portion 252 compared to the body portion 251, so that when the conductive terminals 2 are side by side, the concave portions 252 and the convex portions 253 of the two adjacent conductive terminals 2 are complementary structures and make the adjacent The supporting blocks 25 are reliably held together. Referring to FIG. 14, FIG. 18 and FIG. 19, the terminal setting portion 112 of the insulating housing 1 is formed with a plurality of terminal grooves 112 c for accommodating the conductive terminals 2 respectively, and a housing for accommodating the supporting block 25 is formed corresponding to each terminal groove 112 c The groove 112d is adjacent to the adjacent containing groove 112d. When assembling the conductive terminal 2 into the insulating housing 1, the conductive terminal 2 is inserted into the terminal groove 112 c by the bottom mounting surface 15, and the holding portion 24 of the conductive terminal 2 has an interference bump 241 to meet the wall surface of the receiving groove 112 d Interference is formed to fix the conductive terminal 2. In a variant implementation, the structure of the supporting block 25 and the accommodating groove 112d can also be omitted, so that the holding portion 24 and the base portion 21 are integrally connected.

Referring again to FIGS. 1 and 3, at the middle of the two end walls 13 and the limiting wall 12 of the insulating housing 1, each of the card edge slots 16 is provided with a card slot 18 to accommodate the plate fixing member 3. The board fixing member 3 is used for welding to the circuit board 4 to fix the insulating case 1 to the circuit board 4, wherein the board fixing member 3 provided on the limiting wall 12 is used to strengthen the fixing of the insulating case 1 to When the card 51 of the group 5 (see FIG. 20) is inserted into the card edge slot 16 at an angle, the effect of the card edge on the upward tilting force of the limiting wall 12 is reduced, and the combination of the insulating housing 1 and the circuit board 4 is increased Stability. Of course, there may be a plurality of plate fixing members 3 provided on the limiting wall 12, which is not limited to this embodiment.

20 to 22, the card 51 of the electronic module 5 is assembled with the card edge connector 100 in an oblique insertion manner and the card edge of the card 51 is limited to the first position relative to the height by the guide limiting groove portion 161 The direction D2 is an embodiment in which the included angle is inclined at 27 degrees. The notch 123 in the limiting wall 12 may form a space for the main body 52 of the electronic sub-module 5 to pass through, thereby reducing the insertion position of the main body 52 of the electronic module 5. 23 to 25, the card 51 of the electronic module 5 is assembled with the card edge connector 100 in an upright manner and the card edge of the card 51 is limited to the second position relative to the height direction by the guide limiting groove portion 161 D2 is an implementation with an angle of 0 degrees. Referring to FIGS. 26 to 28, the card 51 of the electronic module 5 is assembled with the card edge connector 100 at an inclination angle between the first position and the second position. In the figure, the card of the electronic module 5 The specific inclination angle of 51 with respect to the height direction D2 is 13.5 degrees. When the electronic module 5 is set by the guiding and limiting of the guide limiting groove 161, the angle between the first position and the second position is selected to insert the card edge of the electronic module 5 on the card edge The slot 16 allows the electronic module 5 to be placed in a preferred use position relative to the circuit board 4 according to the use requirements.

In summary, by setting the height of at least a part of the limiting wall 12 lower than the terminal mounting wall 11 to form a concession space for the power supply submodule 5, the insertion position of the main body 52 of the electronic module 5 can be reduced. Moreover, the conductive terminal 2 is only provided on the terminal mounting wall 11 and not on the limiting wall 12, which also reduces the overall volume of the card edge connector 100. In addition, the elastic arm portion 23 of the flat-shaped conductive terminal 2 is a double-arm structure with closed loops and different contours of the two arms to control the flexing behavior of the conductive terminal 2 and prevent excessive deflection of the conductive terminal 2 To avoid permanent deformation of the conductive terminal 2, and has the effect of resistance to vibration and shock, and can produce an excellent effect of stable contact with the card 51 inserted into the card edge slot 16.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the patent specification are still classified as This invention covers the patent.

100‧‧‧Card edge connector 1‧‧‧Insulating housing 11‧‧‧ Terminal mounting wall 111‧‧‧ First end 111a‧‧‧ First straight surface 111b‧‧‧First inclined surface 112‧‧‧ Terminal Installation part 112a‧‧‧Installation wall straight surface 112b‧‧‧Installation wall inclined surface 112c‧‧‧Terminal groove 112d‧‧‧Accommodation groove 12‧‧‧Retaining wall 121‧‧‧Second end 121a‧‧‧Second Inclined surface 121b‧‧‧Second straight surface 121c‧‧‧Guidance surface 122‧‧‧Low wall part 122a‧‧‧Inner wall surface 123‧‧‧Notch 124‧‧‧Bump 124a‧‧‧Beveled edge surface 124b‧ ‧‧Top edge surface 13‧‧‧End wall 131‧‧‧Guide slope 14‧‧‧Top insertion surface 15‧‧‧Bottom mounting surface 16‧‧‧Card edge slot 161‧‧‧Guide limit groove Part 17 ‧ ‧ ‧ bottom wall 171 ‧ ‧ ‧ hole 18 18 ‧ ‧ card slot 2 ‧ ‧ ‧ conductive terminal 21 ‧ ‧ ‧ base 22 ‧ ‧ ‧ contact part 23 ‧ ‧ ‧ elastic arm 231 ‧ ‧ ‧ inner elastic arm 231a‧‧‧Bottom reverse section 231b‧‧‧First oblique section 231c‧‧‧Top reverse section 231d‧‧‧Second oblique section 232‧‧‧Outer arm 232a‧‧‧Bottom reverse section 232b ‧‧‧ First oblique section 232c ‧‧‧ Top reverse section 232d ‧‧‧ Second oblique section 24 ‧ ‧ ‧ Holding part 241 ‧ ‧ ‧ Interference projection 25 ‧ ‧ ‧ Support block 251 ‧ ‧ ‧ Main body 252‧‧‧Concave part 253‧‧‧Convex part 3‧‧‧Board fixing part 4‧‧‧Circuit board 5‧‧‧Electronic module 51‧‧‧Card 52‧‧‧‧Main body D1‧‧‧Length direction D2‧‧ ‧ Height direction S1‧‧‧ First pitch S2‧‧‧Second pitch S3‧‧‧ Third pitch W1‧‧‧Width W2‧‧‧Width

Other features and functions of the present invention will be clearly presented in the embodiments referring to the drawings, in which: FIG. 1 is a perspective view of an embodiment of the card edge connector of the present invention mounted on a circuit board; FIG. 2 is a diagram 1 is a view from another perspective; FIG. 3 is an exploded perspective view of one of the embodiments; FIG. 4 is an exploded perspective view of the one of the embodiments; FIG. 5 is a top view of the embodiment; FIG. The cross-sectional view taken along the VI-VI line; FIG. 7 is the cross-sectional view taken along the line VII-VII in FIG. 5; FIG. 8 is a diagram illustrating that the card edge of an electronic module is inserted into the card edge slot of this embodiment and is located A cross-sectional view of the relationship with the position of the guide wire position at the first position; FIG. 9 is a diagram illustrating that the card edge of the electronic module is inserted into the card edge slot of the embodiment and is at the first position when the card edge and the limiting protrusion 10 is a cross-sectional view illustrating the relationship between the card edge of the electronic module and the position of the guide wire position slot when the card edge of the electronic module is inserted into the card edge slot of the embodiment and is in the second position; 11 is a cross-sectional view illustrating the relationship between the card edge and the limiting protrusion and the terminal setting portion when the card edge of the electronic module is inserted into the card edge slot of the embodiment and is at the second position; FIG. 12 is an illustration of the electronic When the card edge of the module is inserted into the card edge slot of this embodiment and is between the first position and the second position, a cross-sectional view of the relationship with the guide wire position groove portion; FIG. 13 is a card illustrating the electronic module When the edge is inserted into the card edge slot of the embodiment and is located between the first position and the second position, a cross-sectional view of the relationship between the card edge, the limiting protrusion and the terminal setting portion; FIG. 14 is along XIV- in FIG. 5 XIV line cross-sectional view taken; FIG. 15 is a side view illustrating one of the conductive terminals of the embodiment; FIG. 16 is a perspective exploded view illustrating the arrangement of a plurality of conductive terminals of the embodiment; FIG. 17 is another perspective of FIG. 16 FIG. 18 is a partial perspective cross-sectional view illustrating the assembly relationship between the conductive terminal and the insulating housing of this embodiment; FIG. 19 is a partial perspective sub-anatomical view similar to FIG. 18; FIG. 20 is a partial stereoscopic sectional view illustrating that this embodiment is available for an electronic module Fig. 21 and Fig. 22 are cross-sectional views illustrating the relationship between the electronic module installed at the first position and the insulating housing and conductive terminals of the embodiment; Fig. 23 is a diagram illustrating the embodiment A perspective view of an electronic module installed upright in a second position; FIGS. 24 and 25 are cross-sectional views illustrating the relationship between the electronic module installed in the second position and the insulating housing and conductive terminals of the embodiment; FIG. 26 This is a perspective view illustrating that an electronic module can be installed obliquely between a first position and a second position in this embodiment; and FIGS. 27 and 28 illustrate that the electronic module is installed between a first position and a second position Is a cross-sectional view of the relationship between the insulating case and the conductive terminal of this embodiment.

1‧‧‧Insulating shell

11‧‧‧Terminal mounting wall

111‧‧‧ First end

112‧‧‧Terminal setting section

12‧‧‧ Limit wall

121‧‧‧Second end

122‧‧‧ Low wall

123‧‧‧Notch

124‧‧‧Limit bump

13‧‧‧End wall

16‧‧‧Card edge slot

161‧‧‧Guide limit groove

18‧‧‧Card slot

2‧‧‧Conductive terminal

21‧‧‧Base

22‧‧‧Contact Department

23‧‧‧Elastic arm

24‧‧‧Retaining Department

25‧‧‧support block

3‧‧‧Board fixing

Claims (11)

A card edge connector includes: an elongated insulating housing extending in a longitudinal direction, and having a terminal mounting wall and a limiting wall that are spaced apart from each other and extending in the longitudinal direction, and respectively in the longitudinal direction The two ends are connected to the two end walls of the terminal mounting wall and the limiting wall, and the terminal mounting wall, the limiting wall and the two end walls together form a top insertion surface on opposite sides in a height direction And a bottom mounting surface and jointly define a card edge slot, the opening of the card edge slot is formed in the top insertion surface, wherein at least part of the height of the limiting wall in the height direction is lower than the terminal mounting wall; And a plurality of conductive terminals are arranged in a row along the longitudinal direction on the terminal mounting wall, and the limiting wall is not provided with a conductive terminal. The card edge connector according to claim 1, wherein the terminal mounting wall has two first ends respectively connected to the two end walls, and the limit wall has two second ends respectively connected to the two end walls , The card edge slot has two guide limiting groove portions respectively located at two ends in the longitudinal direction, and each guide limiting groove portion is jointly defined by a corresponding end wall, a first end portion and a second end portion to When the card of an electronic module is inserted into the card edge slot, the guide limiting grooves are used to limit the card of the electronic module to lean against the height direction against the first wall of the terminal mounting wall The angle between the position and a second position whose inclination angle with respect to the height direction is smaller than the first position is inserted into the card edge slot. The card edge connector according to claim 2, wherein the terminal mounting wall further has a terminal device between the two first ends and provided with the conductive terminals The positioning wall further has a low wall portion between the two second end portions and having a height in the height direction lower than the two second end portions, the low wall portion being opposite to the terminal setting portion In order to form an area where the height of the limiting wall is lower than that of the terminal mounting wall, the limiting wall forms a notch recessed by the top insertion surface in the height direction. The card edge connector according to claim 3, wherein the low wall portion has an inner wall surface facing the terminal mounting wall, and the limiting wall is separated from the two second end portions at the inner wall surface The terminal mounting wall is retracted in a direction, and the limiting wall further has a plurality of limiting projections spaced apart from each other protruding from the inner wall surface toward the terminal mounting wall, and the limiting projections face the terminal mounting wall The profile of the side is matched with the portions of the two second ends at the same height position, and the limiting protrusions are slightly retracted from the two second ends toward the direction away from the terminal mounting wall, each limiting protrusion The block has an oblique edge surface extending obliquely from the inner wall surface toward the top insertion surface and gradually approaching the terminal mounting wall, and a top edge surface extending from the oblique edge surface toward the top insertion surface. The card edge connector according to claim 4, wherein the insulating housing further has a bottom wall connecting the terminal mounting wall and the limiting wall and located on an opposite side of the opening of the card edge slot, and the bottom wall has A plurality of openings respectively corresponding to the positions of the limiting bumps. The card edge connector according to claim 4, wherein the terminal setting portion has a straight wall surface close to the bottom mounting surface and extending in the height direction, and gradually faces away from the straight wall surface toward the top insertion surface A mounting wall slope extending obliquely in the direction of the limit wall, the contour of the terminal setting portion facing the limit wall side is matched with the two first ends and compared to the two first ends Slightly retracted in the direction away from the limit wall. The card edge connector according to claim 6, wherein the first end faces the second end sides to form a first straight surface extending in the height direction and from the top side of the first straight surface toward the A first inclined surface that extends obliquely from the top wall and gradually away from the limiting wall, the second end portions facing the first end sides form a second inclined surface that extends in the same direction as the first inclined surface And a second straight surface extending from the top side of the second inclined surface toward the top insertion surface in the height direction, the second inclined surface is closer to the bottom mounting surface than the first inclined surface and is different in the height direction The height shifts the position to jointly guide and limit the card of the electronic module at the first position, the second straight surface is closer to the top insertion surface than the first straight surface in the height direction The positions are staggered at different heights to jointly guide and limit the card of the electronic module in the second position. The card edge connector according to claim 7, wherein the second end portions facing the first end sides are also formed to extend diagonally from the top side of the second straight surface toward the direction gradually away from the terminal mounting wall to the A guiding surface of the top mating surface. The card edge connector according to any one of claims 1 to 8, further comprising at least one board fixing member disposed at the middle of the limiting wall and located outside the card edge slot, suitable for welding and fixing a Circuit board. The card edge connector according to any one of claims 1 to 8, wherein each conductive terminal has a base portion exposing the bottom mounting surface, a contact portion extending into the card edge slot, and connecting the base portion with An elastic arm portion of the contact portion, the elastic arm portion is composed of an inner elastic arm and an outer elastic arm which together form a closed loop, and the inner elastic arm and the outer elastic arm each form a corresponding one from the base toward the A bottom reversal section extending from the limit wall and bent at the end toward the top insertion surface, and extending obliquely from the end of the bottom reverse section toward the top insertion surface and gradually away from the limit wall A first oblique section, a top reverse section extending from the end of the first oblique section toward the limit wall, and a top reverse section toward the bottom mounting surface and gradually approaching the limit The direction of the bit wall extends obliquely and connects to a second oblique section of the contact portion at the end. The card edge connector according to claim 10, wherein the distance between the inner elastic arm and the outer elastic arm in different sections is inconsistent, and the widths of the inner elastic arm and the outer elastic arm in different sections are also inconsistent .

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