TWI555281B - Flash memory device for a dual channel bus - Google Patents

Description

Dual channel universal bus flash memory device

The invention relates to a flash memory device for a two-channel universal bus, in particular to a flash memory device having a general USB specification transmission port and a micro USB specification connector.

At present, electronic products such as smart phones, tablet computers, and digital cameras have been limited to volume, and have been replaced by micro USB transmissions to replace the conventional USB transmission ports, which have the advantages of data transmission and volume reduction. . Moreover, the transmission interface specifications of electronic products are different. In response to the data transmission between various types of electronic products, there are many reading devices or memory devices having two transmission interface specifications on the market to meet the needs of consumers. .

It is worth noting that in the conventional flash memory device with USB and micro USB, the electrical connection structure between the memory and the metal connector is mainly to stack the memory and the metal connector in a little welder. A solder joint is disposed between the contact of the memory and the metal connector, and the soldering point is electrically connected to transmit data. However, the spot welding machine is a welding method of resistance welding, which has problems of high power consumption and high equipment cost in practical operation, and the welding conditions also need to be changed when the materials between the joints are different. ,only It can form a good electrical contact between the memory and the metal connector; in addition, the multiple contacts of the general flash memory are arranged side by side and the surface is positively small. When the spot welding cannot surely control the size of the solder joint, the dense arrangement The multiple contacts are prone to short circuit problems due to contact of multiple solder joints, resulting in an increase in the defect rate of the flash memory device, which needs further improvement.

The object of the present invention is to provide a dual-channel universal bus line flash memory device, which is provided with a dual-standard flash memory device with a transmission port and a connector, by setting a number of shrapnel with the same number of memory contacts on the connector. After the connector is connected to the memory, the elastic piece is pressed against the contact point of the memory by its elastic ability, so that the memory and the connector are electrically connected to transmit data, and the elastic pieces are arranged side by side. The grounding is provided at the connector, which can surely avoid problems such as short circuit between the shrapnels.

In order to achieve the above objective, the present invention provides a dual-channel universal bus line flash memory device, comprising: a substrate having a first end and a second end, the first end being provided with a stop a memory body is disposed on the substrate at one end of the substrate, and the memory body is provided with a plurality of first contacts at a first end of the substrate, and is disposed adjacent to the second end of the substrate a plurality of second contacts; a fixing member having a fixing portion for engaging with the second end of the substrate, and an interposing portion for binding the substrate to the memory, the solid portion and the fixing portion Between the interposing portions, there is a ring-shaped shoulder connection, the set-up portion is provided with a set of openings, and a space is defined between the interposing portion and the substrate; a connecting head is disposed through the grouping mouth of the fixing member, The connecting head is disposed at the end of the space, and is provided with a plurality of conductive elastic pieces, so that the plurality of elastic pieces are correspondingly pressed against the second contact of the memory by the elastic deformation capability thereof; and an outer casing having a relative and continuous shape a first end and a second end, the outer casing is sleeved on the substrate, the memory, the fixing member and the connecting head by being positioned with the fixing member, and the first end stop of the substrate and the first end of the housing The second end of the substrate and the fixing member are abutted on the second end of the casing.

Preferably, in the flash memory device of the dual-channel universal busbar of the present invention, each of the elastic pieces of the connector has an elastic segment connected to the connector, and a pressing portion that is concave toward the memory. Thereby, the elastic piece is pressed against the cusp of the pressing portion by the elastic deformation force of the elastic segment to ensure that the connector is electrically connected to the first contact of the memory through the elastic piece. purpose.

Preferably, the flash memory device of the two-channel universal busbar of the present invention is combined with the substrate and the outer casing by the fixing member to achieve the purpose of being assembled inside the casing. The second end of the substrate is provided with two limiting protrusions, and the fixing part of the fixing member is provided with two limiting recesses corresponding to the two limiting positions, and the fixing member and the substrate pass the limiting protrusion and the limiting concave concave and convex The fixing member insertion portion is provided with a slanting concave recess which is obliquely concave toward the end of the insertion portion, and the outer casing is provided with an obliquely embedded convex portion obliquely embedded toward the first end thereof corresponding to the oblique insertion groove, The outer casing and the fixing member are fitted through the oblique recess and the oblique embedded convex and concave to restrict the fixing member from being detached from the outer casing.

Preferably, in the flash memory device of the dual-channel universal busbar of the present invention, the second end of the substrate is extended to form a second abutting portion on opposite sides of the substrate, so that the second end of the substrate is overlapped with the fixing member assembly portion. The substrate abutting portion and the anchor ring shoulder abut against the peripheral edge of the second end of the outer casing to achieve a bonding structure strength of the reinforcing substrate and other members.

Preferably, in the flash memory device of the dual-channel universal busbar of the present invention, the end of the fixing member insertion portion is formed with a resisting protrusion for pressing the memory between the substrate and the fixing member to achieve Strengthen the fixed structure strength of the memory, avoiding the memory in the flash memory The internal looseness affects the electrical connection between the first contact and the shrapnel.

The preferred embodiments of the present invention, as well as the accompanying drawings, are set forth in the accompanying drawings.

〔this invention〕

10‧‧‧Substrate

101‧‧‧ first end

102‧‧‧ second end

11‧‧ ‧ blocking

12‧‧‧ Limit convex

13‧‧‧ Shoulder

20‧‧‧ memory

21‧‧‧First contact

22‧‧‧second junction

30‧‧‧Fixed parts

31‧‧‧ Solid parts

311‧‧‧

312‧‧‧ Limit recess

32‧‧‧Interposed Department

321‧‧‧Resist

R‧‧‧ Space

33‧‧‧ ring shoulder

34‧‧‧ oblique recess

40‧‧‧Connecting head

41‧‧‧Shrap

411‧‧‧Flexible section

412‧‧‧Resistance section

413‧‧‧ cusp

50‧‧‧ Shell

501‧‧‧ first end

502‧‧‧ second end

51‧‧‧Transportation

52‧‧‧ oblique embedding

1 is a schematic exploded perspective view of a flash memory device of the present invention.

Fig. 2 is a schematic view showing the three-dimensional combined structure of the flash memory device of the present invention.

Figure 3 is a perspective view showing the combined structure of the flash memory device of the present invention.

Fig. 4 is a schematic cross-sectional view showing the line taken along line 4-4 of Fig. 3 of the present invention.

Fig. 5 is a schematic cross-sectional view showing the line taken along line 3-5 of Fig. 3 of the present invention.

Referring to Figures 1 to 5, a specific embodiment of the flash memory device of the two-channel universal busbar of the present invention will be described.

As shown in FIGS. 1 and 2, the flash memory device of the dual-channel universal bus of the present invention is a flash memory device having a connection interface and a transmission interface, and includes a substrate 10, a memory 20, and a memory device. The fixing member 30, a connecting head 40 and a casing 50, wherein:

The substrate 10 has a first end 101 and a second end 102. The first end 101 is provided with a rib-shaped blocking portion 11. The second end 102 of the substrate 10 is provided with two limiting protrusions. 12, and the second end 102 is expanded on opposite sides to form a second abutting portion 13, so that the substrate 10 is formed into an elongated plate structure in which the second end 102 is wider than the first end 101.

The memory 20 is a flash memory in the form of a thin plate, and the memory 20 is One end of the substrate 10 is disposed on the substrate 10, and the memory 20 is provided with a plurality of first contacts 21 corresponding to the first end 101 of the substrate 10, and is adjacent to the substrate 10 A plurality of second contacts 22 are disposed at the end 102. In this embodiment, the first contacts 21 are provided with four and are used for electrical connection with a regular USB connector. The second contact 22 is provided. There are five and are used for electrical connection with the micro USB connector 40 described later.

The fixing member 30 is a member for fixing the substrate 10 and the memory 20 to the inside of the casing 50. The fixing member 30 has a fixing portion 31 for concave-convex bonding with the second end 102 of the substrate 10, And an interposing portion 32 for limiting the memory 20 to the substrate 10, wherein the interposing portion 31 and the interposing portion 32 are connected by a ring shoulder portion 33, wherein the solid portion 31 is provided with a The setting port 311 of the connecting head 40 and the limiting recess 312 disposed on the limiting protrusion 12 of the substrate 10 are disposed. The interposing portion 32 and the substrate 10 define a space for accommodating the connecting head 40. R, and forming a resisting protrusion 321 at the end for pressing the memory 20 between the substrate 10 and the fixing member 30, and the interposing portion 32 is provided with an obliquely concave toward the end thereof. Oblique recess 34.

The connector 40 is a micro USB connector and is disposed on the assembly port 311 of the fixing member 30. The connector is disposed at the end of the space R with a plurality of elastic pieces 41. Each of the elastic pieces 41 has an elastic section 411 connected to the connecting head 40, and a pressing section 412 which is recessed toward the memory 20 and has a sharp point 413, so that the elastic piece 41 passes through the elastic section thereof. The deformation force of the 411 deforms the cusp 413 of the pressing portion 412 against the second contact 22 of the memory 20 to achieve the effect of electrically connecting the connector 40 to the memory 20 to transmit data.

The outer casing 50 has a first end 501 and a second end 502 opposite to each other. The outer casing 50 is disposed toward the first end 501 thereof by the oblique fitting groove 34 corresponding to the fixing member 30. The obliquely embedded convex portion 52 is obliquely embedded, and is positioned and embossed with the fixing member 30, and is sleeved on the substrate 10, the memory 20, the fixing member 30 and the connecting head 40, and the substrate 10 The first end 101 of the memory block 20 and the first contact 21 of the memory 20 together with the first end 501 of the housing 50 define a transmission port 51 for inserting a regular USB connector (not shown). The substrate 10 is second. The end portion 102 and the fixing member 30 of the fixing member 30 abut against the second end 502 of the outer casing 50, thereby constituting the flash memory device of the two-channel universal bus bar of the present invention.

The above is the main components of the embodiment of the present invention and the configuration description thereof. As for the structural assembly and the function of the preferred embodiment of the present invention, please refer to Figures 4 and 5 in conjunction with Figures 1 and 3 for the following description.

As shown in the first, fourth, and fifth embodiments, the flash memory device of the present invention has the connector 40 and the elastic member 41 disposed on the fixing member 30, and the memory 20 is sandwiched between the substrate 10 and the fixing member 30. The second contact 22 of the memory 20 and the elastic piece 41 are located in the space R of the insertion portion 32 of the fixing member 30, and the elastic piece 41 is correspondingly pressed against the second contact 22 of the memory 20. The purpose of making the connector 40 and the memory 20 stably and electrically connected for data transmission is achieved.

Finally, the outer casing 50 is sleeved on the outer surface of the stacked substrate 10, the memory 20, the fixing member 30 and the connecting head 40. The substrate 10 and the fixing member 30 are opposite to the outer casing 50 by the abutting portion 13 and the annular shoulder portion 33. The two ends 502 are opposite to the limit, and the substrate 10 and the fixing member 30 are prevented from being displaced toward the first end 501 of the outer casing 50; and the substrate 10 and the fixing member 30 are inclined by the oblique fitting recess 34 which is obliquely convex toward the first end 501 of the outer casing 50. The slanting projection 52 is configured to prevent the substrate 10 and the connector 40 from being properly positioned in the housing 50 after the substrate 10 is assembled with the housing 50 and then displaced toward the second end 502 of the housing 50. The combined structure.

In summary, the present invention uses the elastic piece 41 as the connector 40 through the above structure. The electrical connection structure with the memory 20 not only has the problems of high energy consumption and high equipment cost caused by the spot welder, but also the elastic pieces 41 are easily disposed to be separated from each other and are not separated from the connector 40. Memory 20 contact material limits, especially with the effect of greatly improving product yield.

10‧‧‧Substrate

101‧‧‧ first end

102‧‧‧ second end

11‧‧ ‧ blocking

12‧‧‧ Limit convex

13‧‧‧ Shoulder

20‧‧‧ memory

21‧‧‧First contact

22‧‧‧second junction

30‧‧‧Fixed parts

31‧‧‧ Solid parts

312‧‧‧ Limit recess

32‧‧‧Interposed Department

321‧‧‧Resist

33‧‧‧ ring shoulder

34‧‧‧ oblique recess

40‧‧‧Connecting head

41‧‧‧Shrap

50‧‧‧ Shell

501‧‧‧ first end

502‧‧‧ second end

52‧‧‧ oblique embedding

Claims (6)

A flash memory device for a dual-channel universal bus, comprising: a substrate having a first end and a second end; the first end is provided with a blocking portion; and a memory body is disposed at one end of the substrate The blocking portion is disposed on the substrate, the memory body is provided with a plurality of first contacts at the first end of the substrate, and a plurality of second contacts are disposed adjacent to the second end of the substrate; a fixing member, And a clamping portion for engaging the second end of the substrate, and an insertion portion for binding the substrate to the memory, wherein the fixing portion has a ring shoulder connection with the insertion portion, The assembly portion is provided with a set of openings, and a space is defined between the insertion portion and the substrate; a connector is disposed through the assembly opening of the fixing member, and the connector is disposed at an end of the space. a plurality of conductive elastic pieces, the plurality of elastic pieces are correspondingly pressed against the second contact point of the memory by elastic deformation capability thereof; and an outer casing having opposite and penetrating one of the first end and the second end, the outer casing Nesting on the substrate, the memory, and the positioning by the bumping and fixing of the fixing member And a first end stop of the substrate, the first contact of the memory and the first end of the housing define a transfer port, and the second end of the substrate is opposite to the fixed part of the fixed part The second end of the outer casing; wherein each of the elastic pieces of the connecting head has an elastic section connected to the connecting head, and a pressing portion that is concave toward the memory body in a V shape, so that the elastic piece is deformed by the elastic section thereof The elastic force causes the cusp of the pressing portion to be pressed against the second contact of the memory. The flash memory device of the two-channel universal bus according to claim 1, wherein the second end of the substrate is expanded to form a second abutting portion on the opposite sides thereof, so that the second end of the substrate is assembled with the fixing member. The substrate abutting portion and the fixing member ring shoulder abut against the periphery of the second end of the outer casing. The flash memory device of the two-channel universal bus according to claim 1, wherein the second end of the substrate is provided with two limiting protrusions, and the fixing member is correspondingly disposed with two limiting positions. The limiting recess is formed by the fixing member and the substrate being combined by the limiting protrusion and the limiting concave concave and convex. The flash memory device of the two-channel universal bus according to claim 1, wherein the end of the fixing member is formed with a resisting protrusion for pressing the memory to the substrate and the fixing. Between pieces. The flash memory device of the two-channel universal bus bar according to claim 1, wherein the fixing member insertion portion is provided with a slanting concave concave that is obliquely concave toward the end of the insertion portion, and the outer casing corresponds to the oblique The recessed groove is provided with an obliquely embedded convex portion that is obliquely embedded toward the first end thereof, so that the outer casing and the fixing member are fitted through the oblique recessed concave portion and the obliquely embedded convex concave and convex to restrict the detachment of the fixing member from the outer casing. The flash memory device of the dual-channel universal bus according to claim 1, wherein the connector is a micro USB connector, and the first contact of the memory and the transmission system are used for inserting a USB connector.