Universal lithium electronic charger

By designing a hydrophobic groove, hydrophobic plate, and semi-circular threaded block nut structure on the lithium-ion charger, the problems of waterproofing and disassembly of the lithium-ion charger are solved, enabling rapid drainage and manual disassembly, thus improving safety and maintenance efficiency.

CN223858885UActive Publication Date: 2026-01-30SHENZHEN RONGSIWEI ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202520344667.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-01
Publication Date
2026-01-30
Estimated Expiration
2035-03-01

AI Technical Summary

Technical Problem

Traditional lithium-ion chargers lack waterproofing, which can easily lead to short circuits and fire hazards. Furthermore, the repair and disassembly process is cumbersome and requires tools.

Method used

The design incorporates a drainage channel and drainage plate structure for rapid drainage. A combination of semi-circular threaded blocks and nuts enables manual assembly and disassembly. Sealing grooves and sealing rings ensure waterproofing. Support sleeves and support columns secure the circuit board.

Benefits of technology

It achieves waterproof performance for lithium-ion chargers, quickly drains accumulated water, simplifies the disassembly and assembly process, reduces maintenance time, and improves safety and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a universal lithium electronic charger, which is applied to the technical field of electric vehicle chargers, and is characterized in that water can flow out of a drainage groove in time when the universal lithium electronic charger meets water, and rainwater can be drained in time along an inclined hole in general due to the design of the inclined hole. A small amount of accumulated water entering the interior can flow to the edge through the drainage plate at the bottom and flow out from the drainage hole of the lower shell. The disassembly steps are simple, disassembly and assembly can be achieved by hands, the semicircular threaded block nut design is adopted, after the upper shell and the lower shell are clamped, the internal circuit board and the exhaust fan are clamped and fixed at the same time, and then overall assembly is achieved by screwing the shell nuts.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of charger, especially relates to a general lithium electronic charger. BACKGROUND

[0002] The lithium electronic charger is a kind of equipment specially used for charging lithium ion battery and lithium polymer battery.For the shortcomings of traditional lithium electronic charger, there are:

[0003] 1, waterproof safety problem: ordinary general lithium electronic charger does not have waterproof function design, and short circuit etc. occur after raining, and there is hidden danger of causing fire.

[0004] 2, maintenance dismounting step is complicated: the shell, exhaust fan and circuit board etc. of traditional general lithium electronic charger basically adopt screw assembly, screwdriver etc. are used when maintaining circuit, and a lot of time is wasted in dismounting. UTILITY MODEL CONTENTS

[0005] The utility model is directed to a kind of general lithium electronic charger, and its advantages are: there is waterproof, drainage function, and the structure is improved dismounting method, and it can be disassembled quickly by hand.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a kind of general lithium electronic charger, including upper shell and lower shell, the surface of the upper shell and lower shell is all set up water drain groove one, the two sides of the upper shell are all set up with water drain groove two that is communicated with water drain groove one, the left and right sides of the upper shell and lower shell are respectively set up with exhaust port and air inlet, the two sides of the upper shell and lower shell are all symmetrically welded with the semicircular threaded block that can be used in cooperation, the four corners of the inside top of the upper shell are all welded with support sleeve, the four corners of the inside bottom of the lower shell are all welded with support column that is used in cooperation with support sleeve, the bottom of the inside of the lower shell is welded with water drain plate, the surface of the semicircular threaded block is rotatably connected with nut, the bottom of the two sides of the lower shell is all set up with water drain hole that is used in cooperation with water drain plate, the inside of the upper shell is welded with limit plate, the inside of the lower shell is welded with support plate, limit slot is set up on the surface of the support plate.

[0007] The above technical scheme is used: shell can prevent water accumulation, a small amount of water can be quickly discharged after entering inside, and it can be quickly disassembled by hand.

[0008] The utility model is further provided with that, the top of the lower shell is set up with sealing groove, the inside of the sealing groove is equipped with sealing ring, the inside of the sealing groove is clamped with the sealing plate welded with the upper shell.

[0009] The above technical scheme is used: the sealing and waterproof between the upper shell and the lower shell of charger can be realized.

[0010] The utility model further sets up, two support the plate between and be located in the spacing groove and have the exhaust fan of inserting, the top of exhaust fan and spacing board contact.

[0011] Adopt above technical scheme: realize the convenient fixed joint of exhaust fan.

[0012] The utility model further sets up, the bottom of support column and the surface of support sleeve all are fixedly coupled with washer, the inside of lower casing is provided with circuit board, four corners of circuit board are inserted with four support columns respectively.

[0013] Adopt above technical scheme: realize the fixed of circuit board and the buffer protection of washer to it.

[0014] The utility model further sets up, the inside of support sleeve is equipped with the clamping groove of support column joint, the both sides of upper casing surface all are provided with wire hole.

[0015] Adopt above technical scheme: through the setting of clamping groove 22, realize the joint of support column and support sleeve, through the setting of wire hole, wire can pass through wire hole.

[0016] Summarized above, the utility model has following beneficial effect:

[0017] 1, when meeting water, water can flow from the drainage groove, and the inclined hole design, rainwater generally under the condition along the inclined hole in time and export, for the small amount of water in the interior also can pass through the hydrophobic plate of bottom and flow to the edge, from the drain hole of lower casing.

[0018] 2, the dismounting step is simple, can dismantle by hand, adopts semicircular screw block nut design, for the joint of upper and lower casing, the circuit board and exhaust fan in the interior are also fixed simultaneously, then realize the whole assembly through the tightening of shell nut. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model, and

[0020] Figure 2 It is the upper casing plan view of the utility model, and

[0021] Figure 3 It is the upper casing bottom view of the utility model, and

[0022] Figure 4 It is the lower casing plan view of the utility model, and

[0023] Figure 5 It is the whole left view of the utility model, and

[0024] Figure 6 It is the whole right view of the utility model, and

[0025] Figure 7 is the overall sectional view of the utility model;

[0026] Figure 8 is the front view of the exhaust fan of the utility model;

[0027] Figure 9 is the utility model Figure 7 A local enlarged schematic view at the place.

[0028] Reference signs: 1, upper shell; 2, sealing plate; 3, support sleeve; 4, hydrophobic groove one; 5, semicircular threaded block; 6, limiting column; 7, limiting plate; 8, exhaust fan; 9, support plate; 10, sealing groove; 11, hydrophobic plate; 12, lower shell; 13, nut; 14, wire hole; 15, support pad; 16, hydrophobic hole; 17, exhaust port; 18, support column; 19, sealing ring; 20, washer; 21, air inlet; 22, clamping groove; 23, hydrophobic groove two; 24, limiting groove; 25, circuit board. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in connection with the drawings.

[0030] Example 1:

[0031] Reference Figures 1-9 A general type lithium electronic charger, including upper shell 1 and lower shell 12, the surface of upper shell 1 and lower shell 12 is all set up hydrophobic groove one 4, the both sides of upper shell 1 are all set up with the hydrophobic groove two 23 that communicates with hydrophobic groove one 4, the left and right sides of upper shell 1 and lower shell 12 are set up with exhaust port 17 and air inlet 21 respectively, the both sides of upper shell 1 and lower shell 12 are all symmetrically welded with the semicircular threaded block 5 that can cooperate and use, the four corners of the inside top of upper shell 1 are all welded with support sleeve 3, the four corners of the inside bottom of lower shell 12 are all welded with support column 18 and support sleeve 3 cooperation uses, the bottom of the inside of lower shell 12 is welded with hydrophobic plate 11, the surface of semicircular threaded block 5 is rotationally connected with nut 13, the bottom of the both sides of lower shell 12 is all set up with hydrophobic hole 16 and hydrophobic plate 11 cooperation uses, the inside of upper shell 1 is welded with limiting plate 7, the inside of lower shell 12 is welded with support plate 9, the surface of support plate is set up with limiting groove 24, can realize the water accumulation prevention of shell, after a small amount of water is entered inside, can be quickly discharged, and is quickly disassembled and assembled by bare hands.

[0032] Further, the top of lower shell 12 is provided with a sealing groove 10, the inside of the sealing groove 10 is provided with a sealing ring 19, and the inside of the sealing groove 10 is connected with a sealing plate 2 welded with the upper shell 1, so as to realize the sealing and waterproof between the upper shell 1 and the lower shell 12 of the charger.

[0033] Further, the two support plates 9 are inserted with the exhaust fan 8 between them and in the limiting groove 24, the top of the exhaust fan 8 is in contact with the limiting plate 7, so as to conveniently fix and connect the exhaust fan 8.

[0034] Further, the bottom of the support column 18 and the surface of the support sleeve are fixedly sleeved with the gasket 20, the bottom of the support column 18 and the surface of the support sleeve are fixedly sleeved with the gasket 20, the inside of the lower shell 12 is provided with the circuit board 25, the four corners of the circuit board 25 are respectively inserted with the four support columns 18, so as to fix the circuit board 25 and buffer and protect it by the gasket 20.

[0035] Further, the inside of the support sleeve 3 is provided with the clamping groove 22 clamped with the support column 18, the surface of the upper shell 1 is provided with the wire hole 14 on both sides, through the clamping groove 22, the support column 18 and the support sleeve 3 are clamped, through the wire hole 14, the wire can pass through the wire hole.

[0036] The use process is briefly described as follows: when used, the charger is placed flat or slightly inclined, water can flow out from the drain groove 4 and the drain groove 23 in time, the inclined opening 17 is designed, water generally cannot enter the inside of the charger along the opening, and the accumulated water in the inside can also flow to the edge through the drain plate 11 at the bottom and flow out from the drain hole 16 of the lower shell. When the line or the internal element is aged, the nut is loosened when disassembled, the upper and lower shells are separated, the support column 18 and the support sleeve 22 are separated, the limiting plate 7 and the exhaust fan 8 are separated, at this time, the exhaust fan 8 and the circuit board 25 can be taken down for maintenance, and when assembled, the above steps are assembled and the shell nut 13 is tightened to realize the overall assembly.

[0037] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make non-creative contribution modifications to the embodiment according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A universal lithium electronic charger comprising an upper housing (1) and a lower housing (12), characterized in that: The surface of the upper shell (1) and the lower shell (12) is provided with a hydrophobic groove (4), the two sides of the upper shell (1) are provided with a hydrophobic groove (23) in communication with the hydrophobic groove (4), the left and right sides of the upper shell (1) and the lower shell (12) are provided with an air outlet (17) and an air inlet (21) respectively, the two sides of the upper shell (1) and the lower shell (12) are symmetrically welded with a semicircular threaded block (5) which can be used in cooperation, the four corners of the inner top of the upper shell (1) are welded with a support sleeve (3), the four corners of the inner bottom of the lower shell (12) are welded with a support column (18) which is used in cooperation with the support sleeve (3), the inner bottom of the lower shell (12) is welded with a hydrophobic plate (11), the surface of the semicircular threaded block (5) is rotatably connected with a nut (13), the bottom of the two sides of the lower shell (12) is provided with a hydrophobic hole (16) which is used in cooperation with the hydrophobic plate (11), the inside of the upper shell (1) is welded with a limiting plate (7), the inside of the lower shell (12) is welded with a support plate (9), the surface of the support plate is provided with a limiting groove (24).

2. A universal lithium electronic charger as defined in claim 1, wherein: The top of the lower shell (12) is provided with a sealing groove (10), the inside of the sealing groove (10) is provided with a sealing ring (19), the inside of the sealing groove (10) is connected with a sealing plate (2) which is welded with the upper shell (1).

3. A universal lithium charger as defined in claim 1, wherein: The two support plates (9) are inserted with an exhaust fan (8) between them and in the limiting groove (24), the top of the exhaust fan (8) is in contact with the limiting plate (7).

4. A universal lithium charger as defined in claim 1, wherein: The bottom of the support column (18) and the surface of the support sleeve are fixedly sleeved with a gasket (20), the inside of the lower shell (12) is provided with a circuit board (25), the four corners of the circuit board (25) are respectively inserted with four support columns (18).

5. A universal lithium charger as defined in claim 1, wherein: The inside of the support sleeve (3) is provided with a clamping groove (22) which is connected with the support column (18), the surface of the upper shell (1) is provided with a wire hole (14) on both sides.