JP2941604B2 - Memory card - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a memory card for dispersing external stress applied to a system interface connector electrically connected to an electronic device having a CPU when a LAN or a modem function is realized in a card shape. It relates to a pack structure.

[0002]

2. Description of the Related Art A conventional memory card pack structure will be described. FIG. 5 is an external perspective view of a conventional memory card and system interface connector. The memory card 10 is a frame 1 made of a mold resin.
The upper surface and the lower surface of the frame 1 are almost entirely covered with the sheet metal 2. Almost the center of the sheet metal 2 is raised so as not to interfere with an electronic device (not shown) built in the memory card 10. Memory card 1
The electronic component 9, the substrate 8, and the like are built in the inside 0. The memory card 10 has a LAN or modem function and the like. Such a memory card 10 has a connector at one end electrically connected to an electronic device (not shown) having a CPU and a system interface connector 3 at the other end electrically connected to an external electronic device (not shown).
Are provided. The frame 1 is cut out by the width of the connector 3, and the left and right of the connector 3 are fixed by the frame 1. The upper and lower sides of the connector 3 are fixed by the sheet metal 2. The memory card 10 is electrically connected to an external electronic device via the cable connector 4.

FIG. 6 is a sectional view in which the cable connector 4 and the connector 3 are connected. The cable connector 4 is electrically connected to the connector 3. The internal lead 7 of the connector 3 is connected to a pattern of a substrate 8 built in the memory card 10. Usually, the lead 7 and the pattern are connected by solder. Electronic components 9 are mounted on the substrate 8.

When the connector 3 and the cable connector 4 are connected, the memory card 10 is built in an electronic device (not shown), and the cable connector 4 is exposed outside from the electronic device (not shown). There was something.

However, since the cable connector 4 is exposed from an electronic device (not shown), external stress may be suddenly applied to the cable connector 4. Connector 3
The left and right are held by a frame 1, and the top and bottom are held by a sheet metal 2. The connector 3 has a problem that it is strong against external stress in the left and right direction held by the frame 3 but weak against external stress in the up and down direction held by the sheet metal 2. When stress is applied to the cable connector 4 in the direction of the arrow in FIG.
The external stress is transmitted to the connection between the lead and the lead 7, and eventually the connection is peeled off and the memory card 10 is damaged.

[0006]

As described above, when an external stress is applied to the connector, the connection between the internal lead of the connector and the substrate is peeled off, and there is a problem that the strength is weak. SUMMARY OF THE INVENTION It is an object of the present invention to provide a memory card which eliminates such disadvantages and has a high strength in which the connection between the internal lead of the connector and the substrate does not peel off even when external stress is applied to the connector.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, there is provided a frame made of a synthetic resin and having an opening in a first side wall for inserting a connector, and a metal covering substantially the entire upper and lower surfaces. And a reinforcing clip having a pair of plates contacting the upper surface and the lower surface, respectively, and a second side wall having an opening at a position corresponding to the connector. Each has a pair of claws, which are engaged with the upper and lower portions of the first side wall when the reinforcing clip is attached to the memory card. The pawl is bent inward of the reinforcing clip. Each of the pair of plates is bent inward of the reinforcing clip, and an interval near a tip of the pair of plates is shorter than a height of the first side wall. The first side wall corresponding to the second side wall has a depression corresponding to a thickness of a pair of plates at an upper portion and a lower portion,
When the reinforcing clip is attached to the memory card, an outer surface of the pair of plates and an outer surface of the metal plate are flush with each other.

With such a configuration, even when external stress is applied to the cable connector, it is possible to prevent damage to the connection between the internal leads in the memory card and the board.

[0009]

An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic perspective view in which a reinforcing clip according to the present embodiment is attached to a moly card.

The memory card 10 includes a frame 1 and a sheet metal 2. One end of the memory card 10 is a CPU
(Not shown) connected to an electronic device having Inside the memory card 10, electronic components and a wiring board, which will be described later, are incorporated. The frame 1 is formed of a mold resin, and forms substantially the entire side surface of the memory card 10. A board, electronic components, and the like are mounted in the center of the frame 1. One end of the frame 1 is provided with a connector that is connected to a connector pin in an electronic device body (not shown). The memory card 10 has functions such as a LAN and a modem. The other end is provided with a system interface connector 3 for inputting / outputting a signal from an external electronic device. The other end of the frame 1 has a cutout for the width of the connector 3. That is,
The connector 3 is fixedly held on the left and right by the frame 1. The upper surface and the lower surface of the frame 1 are almost entirely covered by the sheet metal 2. The substantially central portion of the sheet metal 2 is raised by the height of the electronic components and the like provided inside the memory card 10. The upper and lower fixed holding of the connector 3 is fixed and held by the sheet metal 2. Conventionally, the cable connector 4 of the memory card 10 is electrically connected in this state. However, the strength of the connector 3 in the vertical direction is weak. Therefore, reinforcing clips 5 are provided on the upper and lower portions of the connector 3.
Is provided.

FIG. 2 is a schematic perspective view in which the reinforcing clip according to the present embodiment is attached to a memory card. FIG. 3 is a schematic sectional view of the reinforcing clip and the memory card according to the present embodiment.

When attached to the memory card 10, the reinforcing clip 5 has an upper plate 5a and a lower wall 5b facing the sheet metal 2 covered on the lower surface of the upper surface of the memory card 10, and the side wall facing the side wall of the memory card 10. 5c. The side wall 5c has an opening 5d at a portion corresponding to the system interface connector 3 attached to the memory card 10. The height of the side wall 5c is substantially equal to the height of the side wall of the memory card 10. Each of the upper plate 5a and the lower plate 5b has a pair of claws 6, and the claws 6
Is bent inward. The distance from the tip of the claw 6 provided on the upper plate 5a to the tip of the claw 6 provided on the lower plate 5b is equal to the distance from the upper metal plate 2 provided on the memory card 10 to the lower metal plate 2. Nearly equal or less. The upper plate 5a and the lower plate 5b are once bent inward of the reinforcing clip 5, and the tips of the upper plate 5a and the lower plate 5b spread outward of the reinforcing clip 5. The distance when the upper plate 5a and the lower plate 5b are closest to each other is smaller than the distance between the upper and lower sheet metals 2 of the memory card 10.
In addition, since the top ends of the upper plate 5a and the lower plate 5b are spread outward, attachment to the memory card 10 can be easily performed. The upper plate 5a and the lower plate 5b have a leaf spring shape, and when the upper plate 5a and the lower plate 5b are spread outward, the respective plates 5a and 5b generate a force to return to the inside. When the reinforcing clips 5 are attached to the memory card 10, the tips of the claws 6 are
At the joint formed between the sheet metal 2 and the upper side wall of the frame 1. Since the periphery of the sheet metal 2 is joined slightly below the uppermost part of the side wall of the frame 1, a step is formed between the sheet metal 2 and the side wall of the frame 1. When the reinforcing clip 5 is attached to the memory card 10, the pair of claws 6 provided on each of the upper plate 5a and the lower plate 5b are engaged with the above-mentioned step formed on the outer periphery of the memory card 10, and the upper plate 5a Reinforcement clip 5 by the force of lower plate 5b
Has a structure that cannot be easily removed from the memory card 10.

FIG. 4 is a perspective view of a reinforcing clip according to a second embodiment. Some cable connectors 4 have a pair of claws 12 for fitting the memory card 10 beside the connector portion. Although not shown, the memory card 10 is provided with a fitting portion that fits into the claw 12. A pair of openings 11 through which a pair of claws 12 are inserted is inserted into the reinforcing clip 5.
Is provided. The opening 11 is a memory card 1 not shown.
It is provided at a position corresponding to a fitting portion that fits with the zero claw 12.

The reinforcing clip 10 may be made of metal or resin. The reinforcing clip 5 is more preferably made of metal because the metal is stronger in strength.

The pair of claws 6 provided on the reinforcing clip 5 need not be provided, but may be omitted if the strength with which the memory card 10 is sandwiched between the upper plate 5a and the lower plate 5b is very strong.

Upper plate 5a and lower plate 5b of reinforcing clip 5
May be provided at right angles to the side wall 5c to lock the reinforcing clip 5 to the memory card 10 with only the claw 6. With the above configuration, the reinforcing clip 5 can be locked to the memory card 10. Further, even if the cable connector 4 connected to the system interface connector 3 is subjected to an external stress, the connector 3 of the memory card 10 and the internal leads 7 of the connector 3 are provided by the reinforcing clips 5.
And the connection portion of the substrate 8 can be prevented from being damaged.

[0017]

According to this embodiment, the reinforcing clip is attached to the system interface connector of the memory card, the upper and lower plates of the reinforcing clip are bent inward, and the memory card is further mounted on the upper and lower plates. Are provided with claws to be locked. As a result, even when external stress is applied to the cable connector, it is possible to prevent damage to the connection between the internal leads inside the memory card and the board.

[Brief description of the drawings]

FIG. 1 is an external perspective view in which a reinforcing clip according to an embodiment is attached to a memory card.

FIG. 2 is a perspective view showing a state in which a reinforcing clip according to the embodiment is attached to a memory card.

FIG. 3 is a sectional view of a reinforcing clip and a memory card according to the embodiment.

FIG. 4 is a perspective view of a reinforcing clip according to a second embodiment.

FIG. 5 is an external perspective view of a conventional memory card and a system interface connector.

FIG. 6 is a cross-sectional view in which a conventional memory card and a cable connector are connected.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Frame 2 ... Sheet metal 3 ... System interface connector 4 ... Cable connector 5 ... Reinforcement clip 5a ... Upper plate 5b ... Lower plate 5c ... Side wall 5d ... Opening 6 ... Locking piece 7 ... Internal lead 8 ... Board 9 ... Electronic components DESCRIPTION OF SYMBOLS 10 ... Memory card 11 ... Opening 12 ... Locking claw

Claims (5)

(57) [Claims] 1. A memory card comprising: a frame made of synthetic resin and having a first side wall having an opening through which a connector is inserted; and a metal plate covering substantially the entire upper surface and lower surface, provided on the upper surface and the lower surface. A memory card, comprising: a reinforcing clip having a pair of plates respectively abutting on a surface of the metal plate and a second side wall having an opening at a position corresponding to the connector. 2. The method according to claim 1, wherein each of the pair of plates has a pair of claws, and the claws are engaged with upper and lower portions of the first side wall when the reinforcing clip is attached to the memory card. The memory card according to claim 1, wherein 3. The memory card according to claim 2, wherein the claw is bent inward of the reinforcing clip. 4. The pair of plates are each bent inward of the reinforcing clip, and a distance between tips of the pair of plates is shorter than a height of the first side wall. Memory card. 5. The memory device according to claim 1, wherein said first side wall corresponding to said second side wall has depressions corresponding to a thickness of said pair of plates at an upper portion and a lower portion, and said reinforcing clip is attached to said memory card. 2. The memory card according to claim 1, wherein an outer surface of the pair of plates and an outer surface of the metal plate are coplanar.