CN201821616U

CN201821616U - Electronic product with waterproof structure

Info

Publication number: CN201821616U
Application number: CN2010205408955U
Authority: CN
Inventors: 廖益平
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2010-09-17
Filing date: 2010-09-17
Publication date: 2011-05-04
Anticipated expiration: 2020-09-17

Abstract

The utility model discloses an electronic product with a waterproof structure, which comprises a main shell, a PCB (printed circuit board), a connector, an electric connecting device, a flexible circuit board and a sealing block, wherein the main shell is provided with a collecting groove, and the walls of the collecting groove are provided with a containing groove and a connecting groove communicated with the containing groove; the PCB is contained in the collecting groove and provided with a plurality of locating holes; the connector is welded on the PCB and provided with a plurality of locating columns which are contained in the locating holes that are internally provided with sealing glue; the electric connecting device is contained in the containing groove and welded on the PCB; a flexible circuit board penetrates through the connecting groove and is electrically connected with the electric connecting device; and the sealing block is arranged in the connecting groove on the main shell. In the utility model, the sealing glue is formed in the locating holes, and the sealing block is formed in the connecting groove, so that the electronic product with the waterproof structure has a waterproof function.

Description

Electronic product with waterproof construction

Technical field

The utility model relates to a kind of electronic product, relates in particular to a kind of electronic product with waterproof construction.

Background technology

The electronic product of a kind of existing tool USB (Universal Serial Bus) connector (figure does not show), the general mode of surface mounted (SMT) that adopts is welded in connector on the circuit board, when adopting the method welding, some reference columns need be set on the connector and on circuit board, correspondingly offer some location holes, connector positioned with convenient.

Yet, the electronic product of existing tool connector is when being welded in connector on the circuit board, on circuit board, offer location hole, moisture can penetrate into the electronic product inside of tool connector from location hole, thereby can be because of causing short circuit, so not only can cause signal interruption to influence the quality of transmission signals, and can produce electric leakage and electric shock accidents.

The utility model content

Main purpose of the present utility model is to provide a kind of electronic product with waterproof construction at the defective that above-mentioned prior art exists.

For achieving the above object, the utlity model has the electronic product of waterproof construction, comprise a main casing, a printed circuit board (PCB), a connector, an arrangements of electric connection, a flexible circuit board and a sealing block.The main casing external concave is provided with an accepting groove, further is arranged with on the accepting groove cell wall to be formed with a storage tank, and the storage tank cell wall offers one and is connected with storage tank and runs through the link slot of this main casing inside; Printed circuit board (PCB) is contained in the accepting groove, which is provided with some location holes; Connector is welded on the printed circuit board (PCB), which is provided with some reference columns, and each reference column is contained in respectively in the location hole, is provided with fluid sealant in the location hole; Arrangements of electric connection is contained in the storage tank and is welded on the printed circuit board (PCB); Flexible circuit board passes the link slot of main casing, and one end and arrangements of electric connection electrically connect, and the other end extend into this main casing inside; Sealing block is located in the link slot on the main part, with the space outerpace of the flexible circuit board of the groove that is tightly connected.

Be covered with a waterproof film on described printed circuit board (PCB) one end face, be close proximity to an end face of accepting groove on the main casing.

Described fluid sealant is to fill to go up UV glue in location hole, solidify to form after the UV lighting; Described sealing block is to fill to go up UV glue in link slot, solidify to form after the UV lighting.

From the above mentioned, the electronic product that the utlity model has waterproof construction is formed with fluid sealant in the location hole of printed circuit board (PCB), and in the link slot of main casing, be formed with sealing block, can prevent that moisture from entering into the inside of electronic product from location hole and link slot, thereby make electronic product waterproof with waterproof construction.

Description of drawings

Fig. 1 is the stereogram that the utlity model has the electronic product of waterproof construction.

Fig. 2 analyses figure for the part of main casing one embodiment shown in Figure 1.

Fig. 3 is that diagrammatic sketch is amplified in the part at I shown in Figure 2 place.

Fig. 4 analyses figure for the part with electronic product one embodiment of waterproof construction shown in Figure 1.

Fig. 5 is that diagrammatic sketch is amplified in the part at II shown in Figure 4 place.

Fig. 6 is not welded in the preceding stereogram of printed circuit board (PCB) for connector shown in Figure 1.

Fig. 7 is welded in behind the printed circuit board (PCB) for connector shown in Figure 6 and is provided with the stereogram of fluid sealant.

Fig. 8 is the stereogram with another angle of electronic product of waterproof construction shown in Figure 1.

Fig. 9 is that diagrammatic sketch is amplified in the part at III shown in Figure 8 place.

Each description of reference numerals is as follows among the figure:

Electronic product 100 with waterproof construction

Main casing 1 accepting groove 11

Storage tank 12 link slots 13

Connector 2 reference columns 21

Splicing ear 22 legs 23

Arrangements of electric connection 3 printed circuit board (PCB)s 4

Location hole 41 waterproof films 5

Flexible circuit board 6 fluid sealants 7

Sealing block 8

Embodiment

For describing technology contents of the present utility model, structural feature and purpose of being reached and effect in detail, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.

See also Fig. 1, Fig. 5 and Fig. 7, the electronic product 100 that the utlity model has waterproof construction comprises a main casing 1, a connector 2, an arrangements of electric connection 3, a printed circuit board (PCB) (Printed Circuit Board, PCB) 4, one waterproof film 5, a flexible circuit board 6, two fluid sealants 7 and a sealing block 8.

See also Fig. 1 to Fig. 3, main casing 1 external concave is provided with an accepting groove 11, further is arranged with on accepting groove 11 cell walls to be formed with a storage tank 12, and storage tank 12 cell walls offer one and are connected with storage tank 12 and run through the link slot 13 of this main casing 1 inside.

See also Fig. 6, printed circuit board (PCB) 4 is provided with some location holes 41.Connector 2 is to be welded on the printed circuit board (PCB) 4, connector 2 comprises some splicing ears 22, splicing ear 22 has a weld part (figure does not show), connector 2 is provided with some legs 23, on the connector 2 and be provided with location hole 41 corresponding reference columns 21 on some and the printed circuit board (PCB) 4, reference column 21 is contained in the location hole 41.

See also Fig. 1 to Fig. 9, the electronic product 100 that the utlity model has waterproof construction is when assembling, the reference column 21 of connector planted be contained on the location hole 41 on the printed circuit board (PCB) 4, the weld part of splicing ear 22 and leg 23 are welded on the printed circuit board (PCB) 4, thus connector 2 are fixed on the printed circuit board (PCB) 4; UV (Ultraviolet) glue on two location holes are filled solidify to form fluid sealant 7 after the UV lighting, enter into the inside of the electronic product 100 with waterproof construction from location hole to prevent moisture; Flexible circuit board 6 one ends are electrically connected on the arrangements of electric connection 3 and with arrangements of electric connection 3 are soldered on the printed circuit board (PCB) 3; The one side that is welded with arrangements of electric connection 3 at flexible circuit board 6 is coated marine glue, solidifies the back and forms a waterproof film 5; The link slot 13 that flexible circuit board 6 other ends are passed on the main casing 1 extend into main casing 1 inside, and the printed circuit board (PCB) 4 that will be welded with connector 2 and arrangements of electric connection 3 is installed in the accepting groove 11 of main casing 1, the rear end of arrangements of electric connection 3 is contained in the storage tank 12, and waterproof film 5 is close proximity on the rear end face of accepting groove 11 on the main casing 1, thereby prevent that moisture from entering into the inside of electronic product from the front end of electronic product 100; Fill UV glue in the last link slot 13 on main casing 1, after the UV lighting, solidify to form a sealing block 8, thereby can prevent that moisture from entering into the inside of the electronic product 100 with waterproof construction from link slot 13, with the function of realization electronic product waterproof.

In sum, the electronic product 100 that the utlity model has waterproof construction is formed with fluid sealant 7 in the location hole 41 of printed circuit board (PCB) 4, in the link slot 13 of main casing 1, be formed with sealing block 8, can prevent that moisture from entering into the inside of electronic product 100 from location hole 41 and link slot 13, thereby make electronic product 100 waterproof with waterproof construction.

Claims

1. electronic product with waterproof construction, comprise main casing, printed circuit board (PCB), connector, arrangements of electric connection and flexible circuit board, the main casing external concave is provided with an accepting groove, further be arranged with on the accepting groove cell wall and be formed with a storage tank, the storage tank cell wall offers one and is connected with storage tank and runs through the link slot of this main casing inside, printed circuit board (PCB) is contained in the accepting groove, which is provided with some location holes, connector is to be welded on the printed circuit board (PCB), which is provided with some reference columns, each reference column is contained in respectively in the location hole, arrangements of electric connection is contained in the storage tank and is welded on the printed circuit board (PCB), and flexible circuit board passes the link slot of main casing, one end and arrangements of electric connection electrically connect, and the other end extend into this main casing inside; It is characterized in that: be provided with fluid sealant in the described location hole, be provided with sealing block in the link slot on the described main part, with the space outerpace of the flexible circuit board of the groove that is tightly connected.

2. the electronic product with waterproof construction as claimed in claim 1 is characterized in that: be covered with a waterproof film on described printed circuit board (PCB) one end face, be close proximity to an end face of accepting groove on the main casing.

3. the electronic product with waterproof construction as claimed in claim 1 is characterized in that: described fluid sealant is to fill to go up UV glue in location hole, solidify to form after the UV lighting; Described sealing block is to fill to go up UV glue in link slot, solidify to form after the UV lighting.