TWM472334U - Memory card connector - Google Patents

Description

Memory card connector

The present invention relates to a memory card connector, and more particularly to a DDR3 memory card connector having a reduced overall height.

A conventional memory card connector includes an insulative housing, a plurality of conductive terminals are fixed in the insulative housing, and a pair of latching devices disposed at opposite ends of the insulative housing.

The insulative housing includes a slot and a pair of towers. The towers are disposed at opposite ends of the slot, and the lower portion of the tower has opposite guiding walls and is disposed at a groove in the middle of the guiding wall, a pivot hole is disposed on each of the guiding walls, and a limiting portion is disposed above the tower portion, and the two sides of the limiting portion are respectively There is a card slot.

The locking device includes a base body and a head portion, the base body is movably received in the recess, the head portion is disposed upward from the base body, and the base body is provided with a pivot shaft, the pivot shaft The pivoting portion is pivotally connected to the pivot hole, and a latching portion extends from a side of the head toward the slot, and the latching portion and the slot of the limiting portion In cooperation, the card slot stops the latching portion from rotating in the direction of the slot.

The missing of the memory card connector is:

1. Since the memory card connector is to be soldered to a motherboard, the conductive terminal and the motherboard are welded by a reflow furnace, and the reflow furnace includes a transfer table. And a heater disposed above the transfer table. The motherboard is placed on the transfer table, and then the memory card connector is placed in a suitable position on the motherboard, and the heater is disposed above the memory card connector. Since the card slot stops the latching portion from rotating in the direction of the slot, the overall height of the memory card connector is increased, such that the heater is located farther from the motherboard. Therefore, it is easy to cause problems such as insufficient soldering temperature, unstable heating, or uneven heating during soldering between the soldering portion and the memory card, so that the soldering effect is not good.

2. Since the overall height of the memory card connector is increased, more space is occupied due to an increase in volume during packaging and transportation, which increases transportation costs.

3. The memory card connector is a plurality of side-by-side soldered to the motherboard, and the space of the motherboard is limited, so the spacing between each of the memory card connectors is small, but due to the memory The latching portion of the card connector cooperates with the card slot of the limiting portion, the card slot blocks the locking portion from rotating in the direction of the slot, increasing its vertical direction The height or length in the longitudinal direction. This is inconvenient for the other side by side of the memory card connector to be installed, and it is easy to damage other components around.

Therefore, it is necessary to design a new memory card connector to overcome the above problems.

The purpose of this creation is to provide a memory card connector that reduces the overall height to make packaging and shipping easier.

In order to achieve the above objectives, the following technical solutions are adopted in the memory card connector of the present creation: A memory card connector for plugging a memory card, including a The edge body has a slot and two pivot sockets, the memory card is inserted into the slot, and the pivot sockets are respectively disposed at opposite ends of the insulative housing, the pivot socket a blocking portion is disposed adjacent to the slot; two fastening members are respectively pivotally connected to the two pivoting seats for holding the memory card; and a plurality of conductive terminals are correspondingly received in the insulation In the body; when the memory card is inserted into the slot, the holding portion locks the memory card, and at this time, the fastening member is in a vertical state; when the memory card is When the slot is removed, the fastening member rotates away from the slot. At this time, the fastening component is in an outer folded state; the fastening component is from the vertical state toward the slot. The direction of the rotation is that the fastening member enters the blocking portion, and at this time, the fastening member is in an inwardly folded state.

Compared with the prior art, the creative memory card connector needs to be welded in a reflow furnace because it is welded to a main board, and the reflow furnace includes a transfer table and a heating disposed above the transfer table. Device. Therefore, the motherboard is first placed on the transfer table, and then the memory card connector is placed at a suitable position on the motherboard, and the heater is disposed above the memory card connector. . Since the fastening member is rotatable from a vertical state toward the slot, the fastening member is provided for the stopper, and the overall height of the memory card connector is lowered, such that the heater The closer the position of the motherboard is, the better the temperature of the solder joint is stable and stable when the conductive terminal and the motherboard are soldered, so that the soldering effect is good.

Moreover, since the overall height of the memory card connector is lowered, less space is occupied due to volume reduction during packaging and transportation, which also reduces transportation costs.

In addition, the memory card connector is a plurality of side-by-side soldered to the motherboard In addition, although the space of the motherboard is limited, the spacing between each of the memory card connectors is small, but the buckle can be rotated from a vertical state toward the slot, the buckle The fitting is for the stopper to enter, which not only reduces the height of the memory card connector in the vertical direction, but also increases the length in the longitudinal direction thereof, thereby facilitating another side by side of the memory card connector. Installed without damaging other components around.

1‧‧‧ memory card connector

2‧‧‧ memory card

21‧‧‧ Main body

22‧‧‧Interface

23‧‧‧ card slot

3‧‧‧ motherboard

4‧‧‧Transfer station

5‧‧‧heater

11‧‧‧Insulation body

111‧‧‧ pivoting seat

1111‧‧‧ Guide wall

1112‧‧‧ Groove

1113‧‧‧ upper surface

1114‧‧‧ lower surface

1115‧‧‧ inner wall

1116‧‧‧ Guide slot

1117‧‧‧Pivot hole

1118‧‧ ‧ gap

1119‧‧‧stops

1120‧‧‧Bounce arm

1121‧‧‧narrow

1122‧‧ Wide section

1123‧‧‧First inner side wall

1124‧‧‧First outer side wall

1125‧‧‧second inner side wall

1126‧‧‧Second outer side wall

1127‧‧‧Responsible Department

1128‧‧‧ points

112‧‧‧ inner end wall

113‧‧‧ outer end wall

114‧‧‧ wall

115‧‧‧Slots

1151‧‧‧ docking surface

1152‧‧‧ inside

1153‧‧‧ Third outer side wall

12‧‧‧Fittings

121‧‧‧ base

122‧‧‧ head

1211‧‧‧ third outer sidewall

1212‧‧‧ pivot

1213‧‧‧ bumps

1214‧‧‧ slotting

1215‧‧‧ Third inner side wall

1216‧‧‧First card slot

1217‧‧‧Second card slot

1218‧‧‧Outing Department

1219‧‧‧Limited

1221‧‧‧Bevel

1222‧‧‧Cars Department

1223‧‧‧Retaining slot

1224‧‧‧Support

13‧‧‧Electrical terminals

The first figure is a combination diagram of the creative memory card connector; the second figure is an exploded view of the insulating body and the fastening component in the creative memory card connector; the third figure is the insulating body and the buckle in the creative memory card connector 4 is a front view of the third figure; the fifth figure is a perspective view of the creative memory card connector and the memory card; the sixth figure is a cross-sectional front view of the fifth figure; The figure is a cross-sectional front view of the creation memory card inserted into the memory card connector; the eighth figure is a schematic view of the creation of the memory card connector and the motherboard in the reflow furnace.

In order to better understand the purpose, structure, features and functions of the present invention, the creative memory card connector will be further described in conjunction with the drawings and specific embodiments.

Referring to the first figure, the present invention has a longitudinally-shaped insulating body 1 , a plurality of conductive terminals 13 received in the insulating body 11 , and two fastenings pivotally connected to the two ends of the insulating body 11 . Item 12.

Referring to the first and sixth figures, the insulative housing 11 is disposed on opposite sides thereof. a pair of pivoting seats 111 at the ends, each of the pivoting seats 111 is respectively provided with an inner end wall 112 and an outer end wall 113, and the distance between the inner end walls 112 is smaller than the outer end wall 113 The distance between them is close. In addition, the insulative housing 11 further includes a pair of wall portions 114, a central slot 115 and a level abutting surface 1151 formed between the wall portions 114. The slots 115 have opposite inner sides. The side surface 1152 and the bottom surface 1153 have openings formed in the level matching surface 1151.

Referring to the first to third figures, the pivoting base 111 is integrally formed at opposite ends of the insulative housing 11, and each of the pivoting seats 111 has two opposite guiding walls 1111. A groove 1112 is formed in the middle of the guiding wall 1111, and the groove 1112 communicates with the slot 115 of the insulating body 11. The guiding walls 1111 respectively have an upper surface 1113 and a lower surface 1114 and an inner wall 1115. The inner wall 1115 is recessed with a guiding groove 1116. The guiding groove 1116 extends upward through the upper surface. 1113, and is tapered from top to bottom. A pivot hole 1117 is defined in each of the guiding walls 1111 adjacent to the lower surface 1114 , and the pivot hole 1117 is located at the tail end of the guiding slot 1116 . In addition, the inner wall 1115 is adjacent to the upper surface 1113 and adjacent to the outer end wall 113 is provided with a notch 1118, and only one side of the notch 1118 is in communication with the guiding groove 1116.

A blocking portion 1119 is disposed at a position of the pivoting seat 111 near the inner end wall 112. The blocking portion 1119 includes a pair of elastic arms 1120 disposed oppositely, and the elastic arms 1120 respectively have a narrow portion 1121. And a wide portion 1122, the narrow portion 1121 is adjacent to the inner end wall 112, the wide portion 1122 is away from the inner end wall 112, and the narrow portions 1121 respectively have a first inner side wall 1123 and a first outer side wall 1124, two of the wide portions 1122 respectively have a second inner side wall 1125 and a second outer side wall 1126, and the first inner side wall 1123 and the inner side surface 1152 of the slot 115 Flush, the first outer sidewall 1124 is coplanar with the second outer sidewall 1126, and the second The gap between the first inner sidewalls 1123 is greater than the gap between the second inner sidewalls 1125, that is, the gap between the two narrow portions 1121 is greater than the gap between the two wide portions 1122.

In addition, a lower end of the elastic arm 1120 is respectively provided with a resisting portion 1127. At the same time, a card point 1128 is further disposed on the first outer sidewall 1124.

Referring to the first to third figures, the fastening component 12 has a base 121 and a head 122 disposed at the top end of the base 121. The base 121 has two opposite third outer sidewalls 1211. A pivot 1212 is disposed on the third outer sidewall 1211. The pivot 1212 is pivotally connected to the pivot hole 1117 and is rotatable. At the same time, the third outer sidewall 1211 is respectively provided with a bump 1213, and the bump 1213 cooperates with the notch 1118.

The fastening member 12 defines a longitudinal slot 1214 on the base 121, the slot 1214 has two opposite third inner sidewalls 1215, and the third inner sidewall 1215 is respectively provided with a first card. The slot 1216 and the second slot 1217 are disposed adjacent to the first slot 1216 and the card slot 1128. In addition, a side of the head portion 122 of the fastening member 12 adjacent to the slot 115 has a slope 1221. The top end of the slope 1221 is provided with a latching portion 1222, and is recessed from the slope 1221. A holding portion 1223 is respectively provided with a supporting portion 1224 beside the two sides of the holding groove 1223. An ejector portion 1218 is disposed at a lower end of the base member 121 of the fastening member 12, and a limiting portion 1219 is further disposed above the ejector portion 1218.

In operation, please refer to FIG. 5 and FIG. 8 , the memory card connector 1 is used for plugging a memory card 2 , and the memory card connector 1 is first soldered to a motherboard 3 , and then The memory card 2 is inserted into the memory card connector 1 to achieve the purpose of electrically connecting the memory card 2 and the motherboard 3. The memory card 2 includes a main body portion 21 and a plug portion 22 extending downward from the main body portion 21, and a latching slot is respectively disposed at two ends of the main body portion 21. The latching slot 23 is engaged with the latching portion 1222 of the latching member 12. In this embodiment, the soldering between the memory card connector 1 and the motherboard 3 is performed in a reflow oven, and the reflow furnace includes a transfer table 4 located above the transfer table 4. At least one heater 5, and a cover (not shown) that is disposed around the transfer table 4 and the heater 5, the cover functions to close.

First, a plurality of conductive terminals 13 are respectively inserted into the two wall portions 114 of the insulative housing 11. The conductive terminal 13 partially enters the slot 115 and partially exposes the bottom of the insulative housing 11.

Then, the fastening component 12 is mounted on the pivoting seat 111 of the insulative housing 11 from top to bottom. The pivot 1212 of the base 121 is slid into the pivot hole 1117 by the guide groove 1116, and the ejector portion 1218 and the limiting portion 1219 are located in the blocking portion 1119. Below the resisting portion 1127, the third outer sidewall 1211 of the base 121 is adjacent to the inner wall 1115 of the guiding wall 1111, and the third inner sidewall 1215 of the slot 1214 is The first outer sidewall 1124 of the spring arm 1120 is adjacent, and the slope 1221 of the head 122 faces the slot 115.

Then, the memory card connector 1 is soldered to the motherboard 3. The motherboard 3 is placed on the transfer table 4, and the conductive terminal 13 of the memory card connector 1 is placed at a suitable position on the motherboard 3, and the heater 5 is provided. Above the memory card connector 1. At this time, the engaging member 12 is rotated from the position of the vertical state toward the direction of the slot 115, so that the overall height of the memory card connector 1 is the lowest.

Finally, the memory card 2 is loaded into the insulative housing 11 of the memory card connector 1 that has been soldered to the motherboard 3. The plug portion 22 of the memory card 2 is first described by the The abutting surface 1151 of the insulative housing 11 is inserted downward into the slot 115, the plug portion 22 is in contact with the conductive terminal 13 , and the lower end thereof abuts the bottom surface 1153 of the slot 115, and the The memory card 2 will enter the gap between the two narrow portions 1121.

When the memory card 2 is inserted into the slot 115, the fastening component 12 locks the memory card 2, and at this time, the fastening component 12 is in a vertical state, and the memory card 2 Pushing the ejector portion 1218, the ejector portion 1218 abuts against the insertion portion 22 of the memory card 2, and one side of the limiting portion 1219 abuts against the memory card 2 The two ends of the memory card 2 enter the holding slot 1223, and the pivoting seat 111 is inserted into the holding slot 23 at the two ends. The notch 1118 on the upper end stops the protrusion 1213 on the base 121 from rotating in a direction away from the slot 115. At the same time, when the fastening component 12 is rotated relative to the pivoting seat 111 to a specific position, the top end of the fastening component 12 is at the highest position relative to the pivoting socket 111, and the highest position is a vertical state. The above structure is such that the memory card 2 is well stabilized in the memory card connector 1.

In addition, when the memory card 2 is taken out from the slot 115, the fastening component 12 is rotated away from the slot 115. At this time, the fastening component 12 is in an outer folded state. The bump 1213 of the fastening member 12 passes over the notch 1118, and the ejector portion 1218 pushes under the insertion portion 22 of the memory card 2, so that the limiting portion 1219 abuts against The abutting portion 1127 of the elastic arm 1120 is configured such that the abutting portion 1127 blocks the fastening member 12 from rotating excessively away from the slot 115. The above configuration is such that the memory card 2 can be taken out smoothly.

When the fastening member 12 is rotated from the position of the vertical state toward the slot 115, the head portion 122 of the fastening member 12 enters the upper region of the slot 115, at this time, The fastening member 12 is in an inner folded state, and the fastening member 12 is rotated from an outer folded state to a vertical state. During the process, the bump 1213 first stops at one of the outer end walls 113 of the pivoting seat 111 and then enters the notch 1118, and then the card point 1128 of the elastic arm 1120 Entering the second slot 1217 of the slot 1214, the second slot 1217 can be used to stop the fastener 12 from continuing to rotate toward the slot 115, and then the card Point 1128 enters the first card slot 1216 over the second card slot 1217. Finally, the fastening member 12 continues to rotate in the direction of the slot 115, such that the head 122 enters the slot 115. In the upper region, the supporting portion 1224 abuts against the abutting surface 1151 of the insulative housing 11 . At this time, the inclined surface 1221 is substantially parallel to the abutting surface 1151 .

When the fastening component 12 is rotated from the position of the inner folded state toward the vertical state, the card point 1128 first enters the first card slot 1216, and the first card slot 1216 limits the buckle. The fitting 12 rotates away from the slot 115.

In summary, the creative memory card connector has the following advantages:

1. Since the fastener of the memory card connector is rotatable from the vertical state toward the slot, the fastening member is for the stopper to enter, the memory card is connected The overall height of the device is reduced, so that the position of the heater is closer to the main board, thereby ensuring that the soldering temperature is sufficiently high and stable when soldering between the conductive terminal and the motherboard, so that the welding effect good.

2. Since the overall height of the memory card connector can be minimized, it takes up less space due to volume reduction during packaging and shipping, which also reduces transportation costs.

3. when the memory card is loaded into the slot, the notch on the pivoting seat stops the bump on the base body from rotating away from the slot, such that Fastening Securely holding the memory card in the slot, such that the memory card is not easily released from the slot, so that the electrical conduction between the memory card and the motherboard is more good.

4. When the supporting portion of the fastening component abuts against the abutting surface of the insulating body, the first card slot is disposed in the slot of the fastening component. The card point of the elastic arm is such that the fastening component cannot be rotated in a vertical direction, so that the fastening component is prevented from rotating arbitrarily on the pivoting seat, so that the memory card connector is not easily caused damage.

5. The inclined surface of the fastening component is provided with the supporting portion, and the supporting portion abuts against the docking of the insulating body when the fastening component is rotated to a certain position in an inwardly folded state. And the inclined surface is substantially parallel to the mating surface, so that the holding portion does not need to directly abut against the mating surface, thereby avoiding wear of the holding portion, and then inserting the memory card When the slot is in the slot, the latching portion of the latching portion can better hold the memory card in the memory card connector.

6. The memory card connector is a plurality of side by side soldered to the motherboard, although the space of the motherboard is limited, the spacing between each of the memory card connectors is small, but due to the fastening The piece can be rotated from a vertical state toward the slot, and the fastening member is accessed by the stopping portion, which reduces the height of the memory card connector in the vertical direction without increasing its longitudinal direction. The length in the direction facilitates the assembly of the other memory card connector side by side without damaging other components around it.

The above detailed description is only for the description of the preferred embodiments of the present invention, and is not intended to limit the scope of the patents of the present invention. Therefore, any equivalent technical changes made by the present specification and the illustrated contents are included in the scope of the patent of the present invention. Inside.

11‧‧‧Insulation body

111‧‧‧ pivoting seat

1111‧‧‧ Guide wall

1112‧‧‧ Groove

1115‧‧‧ inner wall

1116‧‧‧ Guide slot

1118‧‧ ‧ gap

1121‧‧‧narrow

1122‧‧ Wide section

1125‧‧‧second inner side wall

112‧‧‧ inner end wall

113‧‧‧ outer end wall

114‧‧‧ wall

115‧‧‧Slots

1151‧‧‧ docking surface

1152‧‧‧ inside

12‧‧‧Fittings

121‧‧‧ base

122‧‧‧ head

1212‧‧‧ pivot

1213‧‧‧ bumps

1214‧‧‧ slotting

1221‧‧‧Bevel

1222‧‧‧Cars Department

1224‧‧‧Support

13‧‧‧Electrical terminals

Claims (30)

A memory card connector for inserting a memory card, comprising: an insulative housing having a slot and two pivoting seats, wherein the memory card is inserted into the slot The two pivoting seats are respectively disposed at opposite ends of the insulative housing, the pivoting seat is disposed with a blocking portion facing upwardly from the slot; and the two fastening members are respectively pivotally connected to the two In the pivot socket, the memory card is held; a plurality of conductive terminals are correspondingly received in the insulating body; when the memory card is inserted into the slot, the latch portion is latched The memory card, at this time, the fastening component is in a vertical state; when the memory card is taken out from the slot, the fastening component rotates away from the slot. The fastening component is in an outer folded state; the fastening component is folded from the vertical state toward the slot, so that the blocking portion relatively enters the fastening component. The memory card connector of claim 1, wherein the pivoting seat has two opposite guiding walls for guiding the fastening component into the pivoting socket. The memory card connector of claim 2, wherein: the inner side wall of the guiding wall is respectively provided with a notch, and the fastening component is provided with at least one bump, when the memory card is inserted into the When the slot is inside, the notch blocks the bump to prevent the fastener from rotating from the vertical state to the outer folded state. The memory card connector of claim 3, wherein the bump is blocked from an outer end wall of the pivoting seat when the fastening member is rotated from the outer folded state to the vertical state. The memory card connector of claim 1, wherein the lower end of the fastening component is provided with a limiting portion, and the limiting portion abuts against the stopping portion. The memory card connector of claim 1 is characterized in that: the fastening member is provided with a slot, and the blocking portion is provided for entering the slot. The memory card connector of claim 6, wherein the two inner side walls of the slot are respectively provided with at least one first card slot, and the opposite outer side walls of the blocking portion are respectively provided with a card. Point, the card point stops the fastener from rotating away from the slot. The memory card connector of claim 6, wherein the two inner side walls of the slot are respectively provided with a first card slot and a second card slot, and the opposite outer sidewalls of the blocking portion are Separatingly provided with a card point, the card point cooperates with the first card slot to block the fastening component from rotating away from the slot, the card point and the second card slot Cooperating to prevent the fastener from rotating in the direction of the slot. The memory card connector of claim 1, wherein the lower end of the fastening component is provided with an ejector portion for abutting the memory card. The memory card connector of claim 1 , wherein a side of the fastening member adjacent to the slot has a slope, and a protrusion is protruded from the slope, the support portion abuts The upper surface of the insulative body. The memory card connector of claim 10, wherein the slope is parallel to an upper surface of the insulative housing when the fastening member is rotated from a vertical state to an inwardly folded state to a certain position. The memory card connector of claim 1, wherein the fastening member has a slope on a side close to the slot, and the fastening member rotates to a certain state when the fastening member is folded in a vertical state. In the position, the angle between the inclined surface and the upper surface of the insulating body is an obtuse angle. A memory card connector, comprising: An insulative housing having a slot and two pivoting seats, wherein the pivoting seats are respectively disposed at opposite ends of the insulative housing, and a position of the pivoting seat adjacent to the slot is upwardly disposed. a stop portion, the stop portion includes a pair of elastic arms disposed oppositely, and the two elastic arms have a gap therebetween, and two outer side walls of the elastic arm are respectively provided with a card point; And a plurality of conductive terminals respectively corresponding to the insulating body; wherein the fastening component is engaged with the pivoting seat to rotate to a specific position When the top end of the piece is at the highest position relative to the pivoting seat, and the fastening member is rotated from the specific position toward the slot, between the specific position and the slot, the buckle is The fitting is positioned to cooperate with the two snap points of the stopping portion. The memory card connector of claim 13 is characterized in that at least one slot is formed in the fastening component, and the slot is provided for the two elastic arms to enter. The memory card connector of claim 14, wherein the opposite inner side walls of the slot are respectively provided with at least one first card slot for cooperating with the card point, the card point limitation The fastener rotates in a direction away from the slot. The memory card connector of claim 14, wherein the two inner side walls of the slot are respectively provided with a first card slot and a second card slot, the card point and the first card slot. Cooperating to prevent the fastening component from rotating away from the slot, the card point cooperates with the second card slot to block the fastening component toward the slot The direction of rotation. The memory card connector of claim 13 is characterized in that: the lower end of the elastic arm is provided with a resisting portion, and the lower end of the engaging member is provided with a limiting portion, and the resisting portion is blocked at the Said on the limit. The memory card connector of claim 13 is characterized in that: a side of the fastening member adjacent to the slot has a slope, and a protrusion is protruded from the slope, the support portion abuts The upper surface of the insulative body. The memory card connector of claim 18, wherein the slope and the upper surface of the insulative housing are rotated when the fastening member is rotated from the highest point to the slot to a certain position. parallel. The memory card connector of claim 13, wherein the fastening member has a slope near a side of the slot, and the fastening member is oriented from the highest point to the slot. When rotated to a certain position, the angle between the inclined surface and the upper surface of the insulating body is an obtuse angle. The memory card connector of claim 13, wherein the gap between the elastic arms is wider near a width of the slot than the slot. The memory card connector of claim 21, wherein the inner side of the gap near the slot is flush with the inner side of the slot. A memory card connector, comprising: an insulative housing having a slot and two pivoting seats, wherein the pivoting seats are respectively disposed at opposite ends of the insulative housing, the pivoting seat a plurality of conductive terminals are correspondingly disposed in the insulating body, and two fastening members are respectively pivotally connected to the two pivoting seats. a supporting portion is disposed on a side of the engaging member adjacent to the slot, and when the engaging member is rotated to a specific position relative to the pivoting seat, the top end of the engaging member is at a highest position relative to the pivoting seat; Rotating by the specific position from the specific position toward the slot to the branch The support portion abuts against the upper surface of the insulative housing to position the fastening member, and the fastening member at least partially accommodates the stopping portion. The memory card connector of claim 23, wherein a side of the fastening member adjacent to the slot has a slope, and the support portion is protruded from the slope, the support portion Abutting against the upper surface of the insulative housing. The memory card connector according to claim 24, wherein the inclined surface and the upper surface of the insulating body are rotated when the fastening member is rotated from the highest point to the slot direction to a certain position. parallel. The memory card connector of claim 24, wherein the fastening member is a recessed groove recessed from the oblique surface. The memory card connector of claim 26, wherein the support portion further comprises a pair of support portions, and the support portions are respectively disposed on two sides of the holding groove. The memory card connector of claim 23, wherein the fastening member defines a slot, the slot for the access portion to enter. The memory card connector of claim 28, wherein the two inner side walls of the slot are respectively provided with at least one first card slot, and the opposite outer side walls of the blocking portion are respectively provided with a card Point, the card point stops the fastener from rotating away from the slot. The memory card connector of claim 28, wherein the two inner side walls of the slot are respectively provided with a first card slot and a second card slot, and the opposite outer sidewalls of the blocking portion are Separatingly provided with a card point, the card point cooperates with the first card slot to block the fastening component from rotating away from the slot, the card point and the second card slot Cooperating to prevent the fastener from rotating in the direction of the slot.