CN211295470U

CN211295470U - Waterproof construction of charger

Info

Publication number: CN211295470U
Application number: CN201921724122.XU
Authority: CN
Inventors: 黄志良; 鲁忠渝; 王修; 洪瑞德
Original assignee: Huizhou Jinhu Industrial Development Co ltd; Ten Pao Electronics Huizhou Co Ltd
Current assignee: Huizhou Jinhu Industrial Development Co ltd; Ten Pao Electronics Huizhou Co Ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-18
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a waterproof structure of a charger, which comprises an upper shell and a lower shell, wherein a first drainage groove is formed between a first water retaining sheet and a second water retaining sheet, a drainage port of the first drainage groove is formed between the two ends of the first water retaining sheet and a circuitous part respectively, and a third water retaining sheet and the second water retaining sheet are arranged in a staggered way from top to bottom when the upper shell and the lower shell are assembled and buckled; form the second water drainage tank between fourth water blocking piece and the fifth water blocking piece, form between first drainage portion and the second drainage portion the outlet of second water drainage tank, the setting of a plurality of sixth water blocking piece dispersions is one row, another row parallel with a plurality of sixth water blocking piece is set to the setting of a plurality of seventh water blocking piece dispersions, and dislocation arrangement about a plurality of seventh water blocking piece and a plurality of sixth water blocking piece, and a plurality of seventh water blocking piece are located between fourth water blocking piece and the fifth water blocking piece, and dislocation arrangement about a plurality of seventh water blocking piece and the fifth water blocking piece. The utility model discloses a waterproof construction can reach waterproofly and can obtain ventilation cooling's effect again.

Description

Waterproof construction of charger

Technical Field

The utility model relates to a charger technical field especially relates to a waterproof construction of charger.

Background

In the prior art, the main function of the charger is to charge the energy storage device of the automobile and the electric vehicle, the design of the shell of the charger appearing in the market at present basically does not consider the waterproof function, in addition, in order to facilitate the ventilation and the heat dissipation of the circuit board of the charger in work, a grid hole plate used for ventilation is generally required to be arranged on the shell, in order to avoid rainwater from directly entering the shell through the grid hole, another grid hole plate is arranged behind the grid hole plate in a staggered manner. But still be difficult to avoid the rainwater to pass this two-layer grid hole board when external rainwater is great and get into in the casing, in case on rainwater or domestic water splash the charging circuit in the casing, it is very likely to lead to electronic components to damage, input or output short circuit etc. trouble to take place, buries hidden danger for causing further abominable accident, consequently, the waterproof construction of current charger can not reach simultaneously can waterproof and ventilation cooling's effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof construction of charger, it can reach waterproofly and can obtain ventilation, radiating effect again.

In order to achieve the above object, the technical solution of the present invention provides a waterproof structure of a charger, including an upper housing and a lower housing, wherein one end of the lower housing is provided with a first water-retaining sheet and a second water-retaining sheet which are parallel to each other, the first water-retaining sheet is closer to the outer side of the lower housing than the second water-retaining sheet, the height of the first water-retaining sheet is higher than that of the second water-retaining sheet, two ends of the second water-retaining sheet extend to the outer side of the lower housing to form a circuitous portion, a first drainage groove is formed between the first water-retaining sheet and the second water-retaining sheet, a drainage opening of the first drainage groove is formed between two ends of the first water-retaining sheet and the circuitous portion, a third water-retaining sheet is provided at one end of the upper housing, and when the upper housing is fastened to the lower housing, the third water retaining sheet and the second water retaining sheet are arranged in a vertically staggered manner;

the other end corresponding to the lower shell is provided with a fourth water retaining sheet and a fifth water retaining sheet which are parallel, the fourth water retaining sheet is closer to the outer side of the lower shell than the fifth water retaining sheet, the height of the fourth water retaining sheet is higher than that of the fifth water retaining sheet, a second drainage groove is formed between the fourth water retaining sheet and the fifth water retaining sheet, two ends of the fourth water retaining sheet respectively extend towards the outer side of the lower shell to form a first drainage part, two ends of the fifth water retaining sheet respectively extend towards the outer side of the lower shell to form a second drainage part, a drainage outlet of the second drainage groove is formed between the first drainage part and the second drainage part, the other end corresponding to the upper shell is provided with a plurality of sixth water retaining sheets and a plurality of seventh water retaining sheets, the plurality of sixth water retaining sheets are arranged in a row in a dispersing way, and the plurality of seventh water retaining sheets are arranged in another row in a dispersing way in parallel with the plurality of sixth water retaining sheets, the plurality of seventh water retaining pieces and the plurality of sixth water retaining pieces are arranged in a left-right staggered mode, the plurality of sixth water retaining pieces are closer to the outer side of the upper shell than the plurality of seventh water retaining pieces, the height of the plurality of sixth water retaining pieces is lower than that of the plurality of seventh water retaining pieces, the plurality of sixth water retaining pieces correspond to the fourth water retaining pieces when the upper shell and the lower shell are assembled and buckled, the plurality of seventh water retaining pieces are located between the fourth water retaining pieces and the fifth water retaining pieces, and the plurality of seventh water retaining pieces and the fifth water retaining pieces are arranged in a vertical staggered mode.

Furthermore, an eighth water retaining sheet is arranged at one end of the upper shell, a downward-inclined drainage plate is arranged on the third water retaining sheet, and an air inlet of the charger is formed between the drainage plate and the eighth water retaining sheet.

Further, be provided with a plurality of on the casing down and be used for sealing the silica gel cover of the power socket of charger, the extension is formed with connecting portion on the silica gel cover, the one end of casing is provided with the constant head tank down, be provided with the location on the first manger plate and detain, the silica gel cover place in the constant head tank and with the location is detained and is blocked and fix through this connecting portion.

Further, be provided with two on the lower casing and be used for covering the power socket's of charger silica gel cover, extend between the silica gel cover and form same connecting portion.

Furthermore, the plurality of sixth water baffles are arc-shaped sixth water baffles, and the plurality of seventh water baffles are arc-shaped seventh water baffles.

Further, the bottoms of the first water drainage groove and the second water drainage groove are inclined surfaces inclined downwards.

Further, the outer surface of the lower shell is provided with a plurality of mounting grooves, the bottom of each mounting groove is provided with a plurality of mounting holes, and the upper shell and the lower shell are assembled by screwing screws into the mounting holes.

Further, a first sealing strip is arranged in the mounting groove, and a positioning column corresponding to the mounting hole is arranged on the first sealing strip.

Further, the outer surface of the positioning column is provided with a flange, the inner surface of the mounting hole is provided with a groove, and the first sealing strip is arranged in the groove through the flange for sealing.

Further, two second sealing strips are arranged at the joint of the lower shell and the upper shell.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model discloses a waterproof construction of charger, simple structure is compact, through dislocation arrangement about a plurality of manger plate pieces of rational design with control dislocation arrangement for outside water all is difficult to get into the inside of charger from the ventiduct, and reaches can reach waterproof, drainage can obtain ventilation, radiating purpose again, safe and reliable more during the use.

Drawings

Fig. 1 is a schematic structural diagram of a waterproof structure of a charger according to the present invention;

fig. 2 is a schematic structural view of a first viewing angle at which the silicone sleeve is pulled out from the waterproof structure of the charger;

fig. 3 is a schematic structural view of a second viewing angle at which the silicone sleeve is pulled out from the waterproof structure of the charger;

fig. 4 is a schematic structural view of a third viewing angle at which the silicone sleeve is pulled out from the waterproof structure of the charger;

fig. 5 is a sectional view of a waterproof structure of a charger according to the present invention;

fig. 6 is a cross-sectional view of one end of a waterproof structure of a charger according to the present invention;

fig. 7 is a cross-sectional view of the other end of the waterproof structure of the charger of the present invention;

fig. 8 is a partially enlarged view of a waterproof structure of a charger according to the present invention;

fig. 9 is a schematic structural diagram of a lower housing of a waterproof structure of a charger according to the present invention;

fig. 10 is a top view of a lower housing of a waterproof structure of a charger according to the present invention;

fig. 11 is a schematic structural view of the lower casing of the waterproof structure of the charger with the silicone sleeve removed;

fig. 12 is a schematic structural view of a silica gel cover of a waterproof structure of a charger according to the present invention;

fig. 13 is a schematic structural view of a first water blocking sheet of a waterproof structure of a charger according to the present invention;

fig. 14 is a schematic structural view of an upper case of a waterproof structure of a charger according to the present invention;

fig. 15 is a top view of an upper housing of a waterproof structure of a charger according to the present invention;

fig. 16 is a schematic structural view of a first sealing strip of a waterproof structure of a charger according to the present invention;

description of reference numerals: 1-upper shell, 2-lower shell, 3-eighth water baffle, 4-water discharge board, 5-third water baffle, 6-silica gel sleeve, 7-first water baffle, 8-positioning buckle, 9-positioning groove, 10-first water discharge groove, 11-second water baffle, 12-seventh water baffle, 13-sixth water baffle, 14-fourth water baffle, 15-second water discharge groove, 16-fifth water baffle, 17-first sealing strip, 18-positioning column, 19-flange, 20-screw, 21-mounting hole, 22-mounting groove, 23-power socket, 24-circuitous part, 25-water discharge opening of first water discharge groove, 26-fan, 27-second water discharge part, 28-first water discharge part, 29-water discharge opening of second water discharge groove, 30-a connecting part.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, but the technical solution does not limit the scope of the present invention.

In the present invention, for the sake of clearer description, the following explanation is made: the terms "bottom", "outer surface", "inner surface", "outer side", "inner side", and the like herein indicate an orientation or positional relationship based on the drawings, and are only for the convenience of clearly describing the present invention, and do not indicate or imply that the structures or components referred to must have a specific orientation, be constructed in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," "sixth," "seventh," and "eighth" are used merely for purposes of clarity or simplicity of description, and are not to be construed as indicating or implying a relative importance or quantity.

Referring to fig. 1 to 16, the present embodiment provides a waterproof structure of a charger, which includes an upper housing 1 and a lower housing 2, wherein one end of the lower housing 2 is provided with a first water retaining sheet 7 and a second water retaining sheet 11 which are parallel, the first water retaining sheet 7 is closer to the outer side of the lower housing 2 than the second water retaining sheet 11, and the height of the first water baffle 7 is higher than that of the second water baffle 11, two ends of the second water baffle 11 respectively extend to the outer side of the lower shell 2 to form a circuitous part 24, a first drainage groove 10 is formed between the first water baffle 7 and the second water baffle 11, a drainage outlet 25 of the first drainage groove is formed between two ends of the first water baffle 7 and the circuitous part 24, one end of the upper shell 1 is provided with a third water baffle 5, the lower end of the third water baffle 5 is positioned between the first water baffle 7 and the second water baffle 11 when the upper shell 1 is assembled and buckled with the lower shell 2, and the third water baffle 5 and the second water baffle 11 are arranged in a vertically staggered manner.

Referring to fig. 5, 7, 9-11 and 14-15, the lower housing 2 is provided at the other end thereof with a fourth water guard 14 and a fifth water guard 16 which are parallel to each other, the fourth water guard 14 is closer to the outer side of the lower housing 2 than the fifth water guard 16, the height of the fourth water guard 14 is higher than the height of the fifth water guard 16, a second drainage channel 15 is formed between the fourth water guard 14 and the fifth water guard 16, both ends of the fourth water guard 14 extend to the outer side of the lower housing 2 to form a first drainage portion 28, both ends of the fifth water guard 16 extend to the outer side of the lower housing 2 to form a second drainage portion 27, a drainage outlet 29 of the second drainage channel is formed between the first drainage portion 28 and the second drainage portion 27, the upper housing 2 is provided at the other end thereof with a plurality of sixth water guards 13 and a plurality of seventh water guards 12, the plurality of sixth water guards 13 are dispersedly arranged in a row, the other row that sets into with a plurality of sixth water bars 13 that a plurality of seventh water bars 12 dispersion is parallel, and a plurality of seventh water bars 12 and a plurality of sixth water bars 13 are left and right misplace the arrangement, a plurality of sixth water bars 13 are more close to the outside of casing 2 than a plurality of seventh water bars 12, a plurality of sixth water bars 13 highly be less than a plurality of seventh water bars 12 highly, a plurality of sixth water bars 13 are corresponding with fourth water bars 14 when going up casing 1 and casing 2 equipment lock down, a plurality of seventh water bars 12 are located between fourth water bars 14 and fifth water bars 16, and a plurality of seventh water bars 12 and fifth water bars 16 misplace the arrangement from top to bottom. Preferably, the plurality of sixth water baffles 13 are arc-shaped sixth water baffles 13, the plurality of seventh water baffles 12 are arc-shaped seventh water baffles 12, and the bottoms of the first water drainage groove 10 and the second water drainage groove 15 are inclined planes inclined downwards, and the inclination angle is 5 degrees. Specifically, a fan 26 is arranged in the charger, under the action of the fan 26, after air flow outside the charger can enter through a water outlet 25 of a first water drainage groove, the air flow is divided and turned into the charger from a gap formed by dislocation of a first water retaining sheet 7, a second water retaining sheet 11 and a third water retaining sheet 5, in addition, an eighth water retaining sheet 3 is arranged at one end of the upper shell 1, a downward-inclined water drainage plate 4 is arranged on the third water retaining sheet 3, and an air inlet of the charger is further formed between the water drainage plate 4 and the eighth water retaining sheet 3; after the air flow passes through the interior of the whole charger, the air flow passes through gaps arranged in a staggered mode between every two of the sixth water retaining pieces 13, the seventh water retaining pieces 12, the fourth water retaining pieces 14 and the fifth water retaining pieces 16, and finally the air flow flows out of the exterior of the charger from a water outlet 29 of the second water drainage groove, so that the purposes of water prevention, water drainage, ventilation and heat dissipation are achieved.

In this embodiment, referring to fig. 5-6 and fig. 9-13, the lower housing 2 is provided with a plurality of silica gel covers 6 for covering the power sockets 23 of the charger, a connecting portion 30 is formed on the silica gel cover 6 in an extending manner, one end of the lower housing 2 is provided with a positioning slot 9, the first water-blocking sheet 7 is provided with a positioning buckle 8, and the silica gel cover 6 is placed in the positioning slot 9 through the connecting portion 30 and is clamped and fixed by the positioning buckle 8. Preferably, two silicone sleeves 6 for covering the power socket 23 of the charger are arranged on the lower shell 2, and the same connecting part 30 is formed by extending between the silicone sleeves 6.

Specifically, referring to fig. 4, 8 and 16, the outer surface of the lower case 2 is provided with a plurality of mounting grooves 22, the bottom of the mounting grooves 22 is provided with a plurality of mounting holes 21, and the upper case 1 and the lower case 2 are assembled by screwing screws 20 into the mounting holes 21. A first sealing strip 17 is arranged in the mounting groove 22, a positioning column 18 corresponding to the mounting hole 21 is arranged on the first sealing strip 17, a flange 19 is arranged on the outer surface of the positioning column 18, a groove is formed in the inner surface of the mounting hole 21, the first sealing strip 17 is arranged in the groove through the flange 19 for sealing, and two second sealing strips are arranged at the joint of the lower shell 2 and the upper shell 1. The mounting hole 21 can be effectively sealed by the flange 19 of the positioning post 18 to prevent external water from penetrating into the charger.

To sum up, the application the technical scheme of the utility model, following beneficial effect has: the utility model discloses a waterproof construction of charger, simple structure is compact, through dislocation arrangement about a plurality of manger plate pieces of rational design with control dislocation arrangement for outside water all is difficult to get into the inside of charger from the ventiduct, thereby reaches can reach waterproof, drainage can obtain ventilation, radiating purpose again, safe and reliable more during the use.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a waterproof construction of charger, includes casing and lower casing, its characterized in that: a first water retaining sheet and a second water retaining sheet which are parallel to each other are arranged at one end of the lower shell, the first water retaining sheet is closer to the outer side of the lower shell than the second water retaining sheet, the height of the first water retaining sheet is higher than that of the second water retaining sheet, two ends of the second water retaining sheet extend towards the outer side of the lower shell to form a circuitous part respectively, a first drainage groove is formed between the first water retaining sheet and the second water retaining sheet, a drainage port of the first drainage groove is formed between two ends of the first water retaining sheet and the circuitous part respectively, a third water retaining sheet is arranged at one end of the upper shell, and the lower end of the third water retaining sheet is positioned between the first water retaining sheet and the second water retaining sheet when the upper shell and the lower shell are assembled and buckled, and the third water retaining sheet and the second water retaining sheet are arranged in a vertically staggered manner;

2. The waterproof structure of a charger according to claim 1, characterized in that: one end of the upper shell is provided with an eighth water retaining sheet, the third water retaining sheet is provided with a drainage plate inclining downwards, and an air inlet of the charger is formed between the drainage plate and the eighth water retaining sheet.

3. The waterproof structure of a charger according to claim 1 or 2, characterized in that: be provided with a plurality of on the casing down and be used for covering the silica gel cover of the power socket of charger, the silica gel is sheathe in and is extended and be formed with connecting portion, the one end of casing is provided with the constant head tank down, be provided with the location on the first manger plate and detain, the silica gel cover place in the constant head tank and with the location is detained and is blocked and fix through this connecting portion.

4. The waterproof structure of a charger according to claim 3, characterized in that: the lower shell is provided with two silica gel sleeves used for sealing a power socket of the charger, and the silica gel sleeves extend to form the same connecting part.

5. The waterproof structure of a charger according to claim 1 or 2, characterized in that: the plurality of sixth water retaining pieces are arc-shaped sixth water retaining pieces, and the plurality of seventh water retaining pieces are arc-shaped seventh water retaining pieces.

6. The waterproof structure of a charger according to claim 5, characterized in that: the bottom of the first water drainage groove and the bottom of the second water drainage groove are inclined planes which incline downwards.

7. The waterproof structure of a charger according to claim 1, characterized in that: the outer surface of the lower shell is provided with a plurality of mounting grooves, the bottom of each mounting groove is provided with a plurality of mounting holes, and the upper shell and the lower shell are screwed into the mounting holes through screws to be assembled.

8. The waterproof structure of a charger according to claim 7, characterized in that: a first sealing strip is arranged in the mounting groove, and a positioning column corresponding to the mounting hole is arranged on the first sealing strip.

9. The waterproof structure of a charger according to claim 8, characterized in that: the outer surface of the positioning column is provided with a flange, the inner surface of the mounting hole is provided with a groove, and the first sealing strip is arranged in the groove through the flange to be sealed.

10. The waterproof structure of a charger according to claim 1, characterized in that: and two second sealing strips are arranged at the joint of the lower shell and the upper shell.