TWI326946B - Mini flash disk having series socket with resistance to being inserted and pulled out - Google Patents

Description

丄W6946 t IX. Description of the invention: [Technical field of the invention] The present invention relates to a device capable of achieving fascination and expansion, in particular to a flash drive having a pluggable serial connection slot . [Prior Art] Press 'The current electronic products are all oriented towards light and thin development' Φ The flash drive for storing data is no exception. In addition to requiring more than ever before, the flash drive has a cascadable feature that allows it to flexibly combine other pen drives to expand the memory or simultaneously read the information on the pen drive. When most of the flash drives are connected in series, it is customary to plug a USB flash drive into the USB slot of another flash drive so that the USB contact finger in the USB connector of the connected USB flash drive can be used. The adapters in the USB slot of the connected flash drive are in direct contact and are electrically interconnected. The related flash drive combination structure can be found in the national number 553442 "USB memory structure that can be expanded and separated" and the national invention patent number 279687 "flash memory with integrated male and female connectors and Its method of transmitting data". In the past, the USB connector and the USB slot of the expandable flash drive were both molded components and then soldered to opposite sides of a carrier board provided with a memory module package, and the length of the entire flash drive became longer. If the USB connector and the USB slot are directly integrated on both sides of the memory package, the flash drive can be miniaturized. However, it is known that with the mini used for the mini, the USB is quickly plugged into the plug-in to improve the integration. However, the individual circuit module recalls the body 5 1326946, - the adapter of the module package is not pluggable. In the repeated use of the plugging and unplugging, the transfer finger is continuously rubbed so that the surface of the transfer finger is worn, and even the insertion gap is caused to cause an electrical break. Therefore, the transmission signals of the two serial mini-discs are still unstable. SUMMARY OF THE INVENTION The main object of the present invention is to provide a mini flash drive with a plug-in-proof slot, which has both a mini shape and a serial-connectable expansion function, and can provide a friction-reducing scratch to be inserted and removed when connected in series. Φ contact. The object of the present invention and solving the technical problems thereof are achieved by the following techniques. A plug-in series slot according to the present invention includes a memory module package, a plurality of elastic sheets, and an insulating fixture. The memory module package comprises a colloid and at least one memory chip encapsulated in the seal body. The two ends of the memory module package are respectively provided with a plurality of USB connections φ and a plurality of transfer fingers. The elastic conductive sheets are disposed on the memory package package. Each of the elastic conductive sheets has a fixed end, a spring portion and a contact end. The insulating fixing member is coupled to the memory package and disposed between the SB contact fingers and the transfer fingers to fix the fixed ends of the elastic conductive sheets, and the elastic guiding portions of the elastic guiding portions are Prominently revealed. The contact ends of the elastic conductive sheets are electrically conductive to the transfer fingers by pressing the elastic guide portions of the elastic guides. The purpose of this month and the solution to its technical problems can also be used in the following electrical and electrical circuits. Sheet contact technology 6 1326946, measures are further implemented. In the foregoing mini-disc, a metal case may be further included, and the memory module package and the insulating fixing member are sleeved, and the metal shell has a first opening and a second opening to make the memory module The component seals are provided with the USB contact fingers and the two ends of the transfer fingers respectively forming a USB connector and a USB expansion serial connection slot. In the aforementioned mini-disc, the metal shell can be substantially the same length as the body module package. In the aforementioned mini-disc, the second opening may be larger than the opening 0 in the aforementioned mini-spindle, and the USB connector and the USB expansion slot may be substantially equal to one. In the aforementioned mini flash drive, the USB contact fingers and the finger contacts may be located on the same surface of the memory module package. In the aforementioned mini flash drive, the memory module package may include a circuit substrate for providing the surface. In the aforementioned mini flash drive, a plastic outer casing may be further sleeved on one of the metal casings to expose the USB connector. In the aforementioned mini flash drive, the plastic outer casing may have a corresponding one toward the first metal portion of the metal casing and a second fastening portion adjacent to the USB expansion serial groove. In the aforementioned mini flash drive, the insulating fixing member may have a fitting portion to be attached to the memory module package. The system is installed in the memory of the first and the other. 7 1326946. The through hole is in the 'mini-disc in the description'. The fitting portion can be provided with a plurality of female-one through holes for the corresponding elastic conductive sheets to be ejected. Raised protrusions In the mini-disc as described, the insulating fixture can be attached to the outside of one of the mating portions to capture the side edges of the body module package. ' Formed as a lead angle in the aforementioned mini flash drive. In the aforementioned mini flash drive, a connecting strip can be connected to each other. In the aforementioned mini-disc, the fixed end can be provided with a fixing hole. [Embodiment] The USB system is an internationally-used connection number *D f. The abbreviation of Universal Serial Bus, which is called a universal string in Chinese, and the elastic conductive sheet between the edge and the bonding portion. The fixing of the elastic conductive sheets is at least the same as the total length of the USB flash drive. Within the tribute, especially the total length of the flash drive is between the #麻 焚 degree of the USB connector ~a· times to three times. "Five according to the first embodiment of the present invention, as shown in Figures 1 and 2, a plug-in series slot has a plug-in slot, and you can listen to a memory module package π 〇, plural The flexible conductive sheet ^" includes 20 and row, hereinafter referred to as USB. The PCB is the printed circuit board (Printed Circuit Board). The mini-spindle contains the stomach-insulation fixing member 130. The memory module package Piece of i J is exhausted: small 8 10 1.326946. Brick-shaped. Please refer to Figure 3, the memory module package i contains at least one gel cartridge and at least one inner seal in the seal The memory chip 1 1 2 in the glue 1n, the memory module package 丨i 〇 is respectively provided with a plurality of USB contact fingers 1 丨 3 and a plurality of fingers 1 1 4 » the transfer fingers 1 1 4 is the USB contact finger 1 1 3 expansion terminal 'used to electrically connect the USB contact 113 of another flash drive. In the shape, the transfer fingers 114 can be the same as the uSB contacts 1 1 3 'In terms of size, the transfer fingers* can be smaller than some USB contact fingers 11 3 , and can be the same or larger. In this implementation The memory module package can further include a circuit substrate 丨i 5 5 δ 己 体 丨丨 丨丨 2 系 2 is disposed on the inner surface of the circuit substrate n 5 and is connected to the USB contact fingers 11 3, the encapsulant 1丨1 forms the inner surface ' of the circuit substrate 1 15 to seal the memory chip 丨} 2 As shown in FIG. 3, the circuit substrate 115 usually has a double electrical conduction. The printed circuit board has an outer surface 丨丨6 and an inner surface 1 1 7 °. In this embodiment, the us B contact fingers 1 1 3 and the fingers 11 4 can be located in the memory module package. The other surface of the substrate 1 1 ό ' is adjacent to the opposite sides, and the memory chip 丨i 2 is disposed on the inner surface 丨丨7 of the substrate 1 15 and can be electrically connected by wire bonding or flip chip bonding. Connected to the substrate 115 and the USB contact fingers 113. The memory chip 1 2 2 is a flash memory, and the storage data is not lost due to the power off. The inner surface of the circuit substrate 115 is additionally set. There is a passive component or a controller. The sealant is formed on the inner surface of the circuit substrate 1 1 5 and is densely packed. The rotation of the memory crystal refers to the <Electrical on the surface of the surface of the surface of the surface of the surface of the switch can be closed and closed. The piece of sealant 111 can be formed by transfer molding technology. The memory module package 1 10 is a small brick block. Therefore, the memory module package 11 〇 integrates the connection of the USB connector and the USB expansion serial connection slot, and the mini flash drive 1 The length can be approximately equal to the length of the memory module package 1 1 0 to achieve miniaturization effect. As shown in the seventh embodiment, the elastic conductive sheets 120 are disposed on the memory module package 110. As shown in FIGS. 4 and 5, each of the elastic conductive sheets 120 has a fixed end 121 and a The elastic convex portion 122 and the contact end portion 123 of the elastic conductive sheet 120 are elastic metal sheets or elastic sheets coated with a metal layer. The intermediate sections of the elastic conductive sheets 120 are upwardly inclined and then downwardly inclined to form an inverted V-shaped elastic projections 1 22, so that the elastic projections 1 22 can have a downwardly biasing property. As shown in FIG. 5, by pressing the elastic protrusions 122 of the elastic conductive sheets 120, the contact ends 123 of the elastic conductive sheets 120 are electrically contacted to the transfer fingers 114» In the embodiment, the elastic conductive sheets 120 have a thickness of about 0.2 mm. The length of the fixed end 121 is about 2-10 mm; the height of the elastic projection 122 is about 0.54 mm; and the length of the contact end 123 is about 1.40 mm. The distance between the highest point of the elastic protrusion 122 and the fixed end 1 2 1 is about 1.5 5 m, and the horizontal distance between the highest point of the elastic protrusion 12 2 2 and the contact end 1 23 is about 2.00mm. Referring to Fig. 4, the fixed ends 121 of the elastic conductive sheets 120 may be connected to each other by a connecting strip 14. At least one of the elastic conductive sheets 120 may be provided with a fixing hole 丨 25 for fixing the elastic conductive sheets 120 to prevent slippage. Referring to FIGS. 6 and 7, the insulating fixture 13 is coupled to the memory module package 1 1 〇 and between the USB contact fingers 1 1 3 and the transfer fingers 114. Thereby, the fixed ends 121 of the elastic conductive sheets 12 are fixed (as shown in FIG. 10). As shown in FIGS. 7 and 8, after the elastic conductive sheets 丨2 固定 are fixed by the insulating fixing member 130, the elastic convex portions 126 of the elastic conductive sheets 120 are exposed to protrude. The USB contact finger 113 of the other mini flash drive 100 is in contact. Referring to Fig. 8, the insulating fixture 丨3 can have a bonding portion 133 for attaching to the memory module package 1 1 〇. The bonding portion 1 3 can be provided with a plurality of through holes 1 3 2, and each of the through holes 133 can be protruded from the elastic convex portion 122 corresponding to the elastic conductive sheet 120. As shown in FIG. 8 , the insulating fixing member 1300 may further have a retaining edge 13 3 3 connected to one of the outer sides of the bonding portion 1 31 to protect the memory module package. n The side edge of the 〇. Preferably, the retaining edge 133 and the abutting portion 133 are formed as a lead angle 134 to facilitate guiding the insertion of the USB connector of the other mini-disc.

Referring to FIG. 9, the mini flash drive 1 can further include a metal case 1400 for tying the memory module package 11 and the insulating fixture 130 (eg, 1, 2, and 10). As shown in the figure, the metal case 140 has a first opening 141 and a second opening 142, so that the memory module package 110 is provided with the USB contact fingers 113 and the transfer fingers. The two ends of the 114 are respectively formed as a USB connector 143 and a USB 11 U26946 * expansion serial connection slot 144 (as shown in FIG. 2). In this embodiment, the second opening 1 42 can be larger than the first opening 144 to be plugged into the USB connector 143 of the other portable device 100. Among them, the USB connector 143 is in accordance with world standard specifications and has a fixed size. The metal case 1 40 can be substantially equal to the length of the memory module package, so that the mini flash drive 100 can be miniaturized. The USB connector 143 and the USB expansion serial slot 144 can be substantially one-to-one, wherein the USB expansion serial slot 144 is used to accept another usb connector of the USB flash drive. Can have memory expansion. Referring to Figures 1 and 2, in particular, the mini-disc 100 can further include a plastic housing 15〇 that is sleeved to a portion of the metal housing 140 such that the USB connector 143 is exposed. In the present embodiment, the plastic casing 15 can be hexagonal or polygonal. The plastic rupture 150 series may have a first latching portion 15 1 facing the metal shell ι4 相互 and a second latching portion 152 adjacent to the USB expansion splicing slot 144. The second latching portion 152 of the plastic housing 150 can be a flat cutting interface. In the present embodiment, the first buckle portion i 5 is a built-in buckle groove, and the second buckle portion 15 2 has an elastic pressing portion corresponding to the buckle point. As shown in Fig. 10, the plurality of mini-disc 100s can be connected in series. The serial connection is a staggered connection of the front and back sides, achieving an infinite memory extension and being easily replaced. Please refer to Figure 10 again. When multiple mini-spindles are connected in series, the USB connector 143 of the mini-disc 100 at the rear is plugged into a mini-disc in the front.

1.326946. The USB extension of 100 is connected in the slot 44, and the USB contact finger 113 of the fan 100 at the rear can be used to move the elastic protrusions 122 of the elastic conductive sheets 120 to the front. The mini-disc 1〇〇 can pass through these elastic 1 2 0 contact points! 2 3 and the front of your portable disk 1 (10) The transfer finger 114 is electrically connected, so that the finger of the mini-disc 100 of the grinding machine 100 can be prevented from causing the finger"4 to injury or Disadvantages such as wear and tear, effectively increase the service life of the mini portable. Therefore, the transfer fingers 4 can be protected by the elastic conductive sheets 12 to achieve the electrical interconnection between the mini-disc 1GGs in order to avoid the contacts of the transfer fingers 114. The USB contact finger is directly scratched by & , and the agricultural contact is scratched, so the mini flash drive 100 can provide a reduced friction or zero grinding.

contact. In addition, since the elastic 122 of the elastic I ^ conductive sheet 120 has a specific height and the 拃L is opened, even if the tightness of the tightness between the attached portable disks is insufficient, the problem is still two. The flexible conductive sheet 1 2 0 elastic body Xiong Shaotai pen department 122 to achieve electrical contact between the two bodies, in order to avoid the problem of the electrical transmission caused by the abundance of relaxation. The second embodiment of the present invention is as shown in the 11th and 12th, and the other is a mini-spinning device having a plug-in-proof serial connection, such as a memory module package, Λ lil $ π ^ The υ, the elastic conductive sheet 1: the fixing member 130, etc., may be substantially the same as the first embodiment, the body embodiment: the one of the flash drive g 1 00 is pressed to wipe the conductive sheet to the previous transfer tray 100, It is also possible to insert the two electric Φ of the electric bulge which is indicated by the Ί 接 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无 无Referring to FIG. 1 , the 迷你 4 mini flash drive may further include a plastic outer casing 250 ′ which is sleeved on 兮 a β and disposed in a portion of the 5 hex metal shell 140 to expose the USB connector 143. Referring to Fig. 12, the plastic housing 250 can have a first snap portion 251 facing one of the metal shells 140 and a second latch portion 252 adjacent to the lake expansion splicing slot 144. The second latching portion M2 of the plastic housing can be a recessed interface. The invention does not limit the shape of the plastic outer casing,

In the embodiment, the (4) plastic outer casing 250 is substantially disk-shaped, like a small coin's to facilitate gripping and collision avoidance. The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The scope of the present invention is defined by the scope of the appended claims. Any person skilled in the art can make some modifications or modifications to the equivalent embodiments by using the technical content disclosed above, but without departing from the technical solution of the present invention, the above implementation is implemented according to the technical essence of the present invention. Any simple modifications, variations, and modifications made by the examples are still within the scope of the technical solutions of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of a mini flash drive having a pluggable serial connection slot in accordance with a first embodiment of the present invention. Fig. 2 is a perspective view showing the components of the mini flash drive in accordance with a first embodiment of the present invention. Fig. 3 is a schematic view showing the surface of the memory module package of the mini flash drive according to the first embodiment of the present invention. 14

Fig. 3 is a perspective view showing a plurality of elastic conductive sheets of the mini-spindle according to the first embodiment of the flute_g mA of the present invention. μ Fig. 5 is a schematic view showing the wearing of a single elastic conductive sheet of the mini flash drive according to the first embodiment of the present invention. Figure 6 is a perspective view of the insulating fixture of the mini flash drive in accordance with a first embodiment of the present invention. Figure 7: According to the first embodiment of the present invention, the mini flash drive

The stereoscopic schematic diagram of the memory module package and the elastic guide m component are combined. Fig. 8 is a perspective view, partly in section, taken along line 8-8 of Fig. 7 in accordance with a first embodiment of the present invention. Figure 9 is a perspective view of a metal shell of the mini flash drive in accordance with a first embodiment of the present invention.

Figure 10 is a cross-sectional view of another mini flash drive in series with another mini flash drive in accordance with a first embodiment of the present invention. Figure η: A perspective view of another mini flash drive having a pluggable serial connection slot in accordance with a second embodiment of the present invention. Fig. 12 is a perspective view showing the components of the mini flash drive in accordance with a second embodiment of the present invention. [Main component symbol description] 1〇〇mini flash drive 111 sealant 114 transfer finger 110 memory module package U2 memory chip 113 USB contact finger 15 1326946. 115 circuit substrate 116 outer surface 117 120 elastic conductive sheet 121 fixed End 122 123 Contact end 124 Connecting strip 125 130 Insulation fixture 131 Fitting 132 133 Flange 134 Leading angle 140 Metal shell 141 First opening 142 143 USB connector 144 USB expansion series slot 150 Plastic housing 151 - ^ buckle Portion 152 250 Plastic case 251 - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

16

Claims (1)

'Patent scope: A mini flash drive with a plug-in-proof slot, comprising: a memory module package' comprising a glue body and at least one memory chip encapsulated in the seal body, The two ends of the memory module package are respectively provided with a plurality of USB contact fingers and a plurality of plurality of flexible conductive sheets, which are disposed in the memory module package: an elastic conductive film has a fixed end, An elastic embossing portion and a contact end; and an insulating IU fixing member is coupled to the memory module sealing member and located between the USB contact fingers and the transfer fingers, thereby fixing the elastic conductive sheets The solid end portion of the elastic conductive sheet is protruded; wherein the contact end of the elastic conductive sheet is pressed by pressing the elastic convex portion of the elastic conductive sheet Conductive contact to the transfer fingers. For example, the floppy disk with the plug-in-free connector of the first aspect of the patent application scope includes a metal case that is sleeved to the memory module package and the insulating component, and the metal case is Having a first opening and an = opening, so that the memory module package is provided with the usb contact cores and the two ends of the adapter fingers are respectively formed as a -usb connector and a USB expansion series slot The invention has the same meaning as the memory module package described in item 2 of the patent scope, wherein the metal shell is substantially the same length as the memory module package. The detachable floppy disk with a plug-in-proof slot, wherein the second opening is larger than the first opening. The fan 4 with a plug-in-proof slot as described in claim 2 of the patent scope 'The USB connector and the USB expansion serial connection slot are - are equal in length. 6 The mini-disc with the pluggable serial connection slot according to the first aspect of the patent application, wherein the USB contact fingers and The transfer fingers are located on the same surface of the S memory module package. In the sixth aspect of the invention, the memory module package further includes a circuit substrate for providing the surface. 8 as claimed in the patent application. The utility model relates to a plug-in type slot, such as a flash drive, and a plastic outer casing, which is sleeved on a part of the metal shell to expose the USB connector. 9. Patent application number 8 The mini-disc having the plug-in-proof slot, wherein the plastic housing has a first latch portion corresponding to the metal and a first card adjacent to the USB expansion strap slot 10. A mini-disc with a restraining serial groove as described in the eighth paragraph of the patent, wherein the plastic outer casing is hexagonal or polygonal. 11. As claimed in claim 8 The mini-spindle having a plug-in and splicing slot, wherein the plastic casing is substantially disk-shaped. 12. A mini-disc with a spliced slot as described in the i. The insulating fixture has a fitting portion The utility model is attached to the memory module package. U 20946. A fan with a plug-in-proof serial groove as described in claim 12 of the patent scope, wherein the bonding portion is provided with a plurality of passes Each of the through holes can be protruded from the elastic convex portion of the corresponding elastic conductive sheet. 14 A mini flash drive having a plug-in-proof serial groove as described in the 12th patent scope of the patent application, wherein the insulating fixing member is another Having a protective edge attached to the outside of the bonding portion to protect the memory module package Guided by the cloth item, it has a plug-in-proof mini-disc, in which the #1, A", and the bonding portion form an angle of 0. 17. The mini-portable disc of the patent application slot is provided with a fixing hole as described in Item 1 or 16, wherein the elastic conductive ones have at least one fixed creep of the plug-in string.