CN201345227Y - Card-type waterproof flash disk - Google Patents
Card-type waterproof flash disk Download PDFInfo
- Publication number
- CN201345227Y CN201345227Y CNU2009201298563U CN200920129856U CN201345227Y CN 201345227 Y CN201345227 Y CN 201345227Y CN U2009201298563 U CNU2009201298563 U CN U2009201298563U CN 200920129856 U CN200920129856 U CN 200920129856U CN 201345227 Y CN201345227 Y CN 201345227Y
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- China
- Prior art keywords
- plastic casing
- projection
- groove
- flash disk
- circuit board
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a card-type waterproof flash disk, which comprises a first plastic housing, a second plastic housing, a circuit board, a USB connector, an injection block arranged at the tail end of the USB connector, a soft wire sheath led out of the injection block, and a USB connector leading-out wire led out of the soft wire sheath. The leading-out wire is electrically connected with the circuit board; the first plastic housing and the second plastic housing are in the shape of a card, and are welded ultrasonically to each other; and the circuit board is sealed in a seal cavity formed by the first plastic housing and the second plastic housing. As the USB connector is connected with the circuit board through the leading-out wire, the housings of the flash disk can be ultrasonically welded; in addition, the card-type waterproof flash disk of the utility model has the advantages of attractive appearance, high production efficiency, good sealability, and good waterproof effect.
Description
Technical field
The utility model relates to the mobile storage field, more particularly, relates to a kind of card form waterproof flash disk.
Background technology
Flash disk has plurality of advantages such as volume is little, capacity is big, easy to carry as a kind of movable storage device, is extensive use of by people.Existing flash disk generally comprises plastic casing, circuit board and USB joint, and circuit board places in the plastic casing, and the USB joint directly is welded on the circuit board.The waterproof and dampproof poor performance of the flash disk of this structure, the bonding or sweat soldering of the general employing of the connection between the plastic casing, complex procedures, production efficiency is low.
Development along with the supersonic welding connection technology, the ultrasonic plastic welder of Plastic Welding has appearred being used for, it is when the welding plastic goods, neither need to add any cementing agent, filler or solvent, do not need to consume a large amount of thermals source yet, have simple to operate, speed of welding is fast, weld strength is high, the production efficiency advantages of higher.When ultrasound wave acts on the surface of contact of thermoplastics, the dither that meeting generation per second is several ten thousand times, this dither that reaches certain amplitude causes working of plastics surface and inherent intermolecular friction, thereby makes the contact jaw surface temperature moment rising between working of plastics, again because the poor thermal conductivity of plastics, can't in time distribute for the moment, heat concentrates on welding zone, causes the surface of contact of two plastics to melt rapidly, after adding certain pressure, make it be fused into one.After ultrasound wave fails, allow pressure keep certain hour, make its coagulation forming, so just form a firm strand, reach the purpose of welding, weld strength can be near raw-material intensity.Because the USB joint and the circuit board of existing flash disk directly weld together, connection between USB joint and the circuit board is hard connection, under dither, the USB joint can with the circuit board sealing-off, so the plastic casing of the flash disk of prior art can't adopt ultrasonic soldering.
Existing in addition flash disk mostly is little rectangular parallelepiped profile, and profile is stereotyped, lacks novelty and aesthetic feeling, allows the people with the passing of time begin to detest easily.
The utility model content
The technical problems to be solved in the utility model is, can't adopt the defective of ultrasonic soldering at the plastic casing of the above-mentioned flash disk of prior art, provides a kind of housing can be with the card form waterproof flash disk of ultrasonic soldering.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of card form waterproof flash disk, comprise first plastic casing, second plastic casing, circuit board, the USB joint, described first plastic casing and second plastic casing are card-shape, also comprise the injection moulding piece that is arranged on USB joint tail end, by the soft line cover of drawing in the injection moulding piece, and by the USB joint extension line of drawing in the soft line cover, described extension line is electrically connected with circuit board, described first plastic casing is provided with and described USB joint and the adaptive through hole of injection moulding piece, the described second plastic cement main body is provided with and described USB joint, injection moulding piece and the adaptive through hole of soft line cover, the described first plastic casing inside surface extends the first side wall and second sidewall along the vertical inside surface direction, form first groove between the described the first side wall and second sidewall, the described second plastic casing inside surface extends first projection adaptive with described first groove along the vertical inside surface direction, the described first plastic casing inside surface extends and is used for it is divided into two-part second groove, the described second plastic casing relative position extends second projection adaptive with described second groove, described first plastic casing and the second plastic casing ultrasonic soldering, described circuit board are sealed in the annular seal space of described first plastic casing and the formation of second plastic casing.
In card form waterproof flash disk described in the utility model, described second sidewall is lower than described the first side wall, and the size of described second plastic casing is less than first plastic casing, and the inboard of described the first side wall is close at the edge of described second plastic casing.
In card form waterproof flash disk described in the utility model, extend on described first plastic casing and the 3rd adaptive groove of described soft line cover, the tail end of described the 3rd groove extends four groove vertical with the 3rd groove direction, and the relative position on described second plastic casing extends and the 4th suitable projection of described the 4th groove.
In card form waterproof flash disk described in the utility model, extend the 5th projection that is used to compress described soft line cover on described first plastic casing, extend the 6th projection that is used to compress described soft line cover on the described second plastic casing body
In card form waterproof flash disk described in the utility model, the relative certain distance that staggers of described the 5th projection with the 6th projection.
In card form waterproof flash disk described in the utility model, described the 4th groove is parallel twice groove, and described the 4th projection is parallel twice projection.
In card form waterproof flash disk described in the utility model, described the 5th projection is parallel twice projection, and described the 6th projection is three parallel road projectioies.
Implement card form waterproof flash disk of the present utility model, has following beneficial effect: card form waterproof flash disk good looking appearance of the present utility model, because the USB joint connects by extension line and circuit board, make the flash disk shell can use ultra-sonic welded, card form waterproof flash disk production efficiency height of the present utility model, good airproof performance has the excellent waterproof effect.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic perspective view of the utility model card form waterproof flash disk;
Fig. 2 is the first plastic casing structural representation of the utility model card form waterproof flash disk;
Fig. 3 is the second plastic casing structural representation of the utility model card form waterproof flash disk;
Fig. 4 is the joint of the utility model card form waterproof flash disk and the synoptic diagram of circuit board.
Embodiment
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, in an embodiment of card form waterproof flash disk of the present utility model, comprise first plastic casing 110, second plastic casing 120, circuit board 300, USB joint 200, also comprise the injection moulding piece 210 that is arranged on USB joint 200 tail ends, by the soft line cover 220 of drawing in the injection moulding piece 210, and the extension line 230 that overlaps the USB joint 200 of drawing in 220 by soft line, extension line 230 is electrically connected with circuit board 300, the USB joint directly is welded on the connected mode on the circuit board relatively, this connected mode can tolerate the dither in the supersonic welding termination process, makes that housing can be by ultrasonic soldering.
In an embodiment, first plastic casing 110 and second plastic casing 120 are card-shape, first plastic casing 110 is provided with and USB joint 200 and the suitable through hole 116 of injection moulding piece 210 shapes, second plastic body is provided with USB joint, injection moulding piece 210 and soft line and overlaps the suitable through hole of 220 shapes 122, use pushes out with USB joint 200 from first plastic casing, 110 1 sides, be connected on the computer and use, not the time spent, USB joint 200 is resetted from second plastic casing, 120 1 sides.
In order to make first plastic casing 110 and second plastic casing 120 more help ultrasonic soldering and circuit board 300 to be sealed fully, extend the first side wall 111 and second sidewall 112 at first plastic casing, 110 inside surfaces along the direction of vertical inside surface, form first groove 113 between the first side wall 111 and the second side 112, second plastic casing, 120 inside surfaces extend first projection 121 adaptive with first groove 113 along the vertical inside surface direction, for circuit board 300 is sealed fully, extend second groove 114 on first plastic casing 110, correspondence position extends second projection 124 on second plastic casing 120, second groove 114 is divided into two parts with first plastic casing 110, a part is placed USB joint 200, injection moulding piece 210 soft line covers 220, another part 115 is used to place circuit board 300, after the ultrasonic soldering, groove and projection combine together, circuit board 300 be closed with first plastic casing 110 and second plastic casing, 120 formed closed cavities in, because the ultra-sonic welded good airproof performance is so there is good water resistance.
In the present embodiment, second sidewall 112 of first plastic casing 110 size that is lower than the first side wall 111, the second plastic casings 120 is close to the inboard of the first side wall 111 less than the edge of first plastic casing, 110, the second plastic casings 120.
In the present embodiment, for further waterproof, extend on first plastic casing 110 with soft line and overlap 220 the 3rd adaptive grooves 117, the tail end of the 3rd groove 117 extends four groove 118 vertical with the 3rd groove direction, relative position extends and the suitable projection 125 of the 4th groove 118 on second plastic casing 120, the 4th groove 118 and the 4th projection 125 are twice and are parallel to each other, and during ultrasonic soldering, above-mentioned the 4th groove 11 and the 4th projection 125 merge.Further, extend the 5th projection 119 that is used to compress soft line cover 220 on first plastic casing 110, extend the 6th projection 123 that is used to compress soft line cover 220 on second plastic casing 120, the 5th projection 119 and the 6th projection 123 relative certain distances that stagger, in the present embodiment, the 5th projection 119 is parallel twice projection, the 6th projection 123 is three parallel road projectioies, be interspersed relatively, the 5th projection the 119 and the 6th projection 123 overlaps 220 under action of ultrasonic waves with soft line during ultrasonic soldering, have slight fusion, can play sealing function.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (7)
1, a kind of card form waterproof flash disk, comprise first plastic casing, second plastic casing, circuit board, the USB joint, described first plastic casing and second plastic casing are card-shape, it is characterized in that, also comprise the injection moulding piece that is arranged on USB joint tail end, by the soft line cover of drawing in the injection moulding piece, and by the USB joint extension line of drawing in the soft line cover, described extension line is electrically connected with circuit board, described first plastic casing is provided with and described USB joint and the adaptive through hole of injection moulding piece, the described second plastic cement main body is provided with and described USB joint, injection moulding piece and the adaptive through hole of soft line cover, the described first plastic casing inside surface extends the first side wall and second sidewall along the vertical inside surface direction, form first groove between the described the first side wall and second sidewall, the described second plastic casing inside surface extends first projection adaptive with described first groove along the vertical inside surface direction, the described first plastic casing inside surface extends and is used for it is divided into two-part second groove, the described second plastic casing relative position extends second projection adaptive with described second groove, described first plastic casing and the second plastic casing ultrasonic soldering, described circuit board are sealed in the annular seal space of described first plastic casing and the formation of second plastic casing.
2, card form waterproof flash disk according to claim 1, it is characterized in that, described second sidewall is lower than described the first side wall, and the size of described second plastic casing is less than first plastic casing, and the inboard of described the first side wall is close at the edge of described second plastic casing.
3, card form waterproof flash disk according to claim 2, it is characterized in that, extend on described first plastic casing and the 3rd adaptive groove of described soft line cover, the tail end of described the 3rd groove extends four groove vertical with the 3rd groove direction, and the relative position on described second plastic casing extends and the 4th suitable projection of described the 4th groove.
4, card form waterproof flash disk according to claim 3, it is characterized in that, extend the 5th projection that is used to compress described soft line cover on described first plastic casing, extend the 6th projection that is used to compress described soft line cover on the described second plastic casing body.
5, card form waterproof flash disk according to claim 4 is characterized in that, the relative certain distance that staggers with the 6th projection of described the 5th projection.
6, card form waterproof flash disk according to claim 3 is characterized in that, described the 4th groove is parallel twice groove, and described the 4th projection is parallel twice projection.
7, card form waterproof flash disk according to claim 5 is characterized in that, described the 5th projection is parallel twice projection, and described the 6th projection is three parallel road projectioies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201298563U CN201345227Y (en) | 2009-02-10 | 2009-02-10 | Card-type waterproof flash disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201298563U CN201345227Y (en) | 2009-02-10 | 2009-02-10 | Card-type waterproof flash disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345227Y true CN201345227Y (en) | 2009-11-11 |
Family
ID=41276812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201298563U Expired - Fee Related CN201345227Y (en) | 2009-02-10 | 2009-02-10 | Card-type waterproof flash disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345227Y (en) |
-
2009
- 2009-02-10 CN CNU2009201298563U patent/CN201345227Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20120210 |