Electric bicycle charger with stable structure

Abstract

The utility model relates to the technical field of chargers, in particular to an electric bicycle charger with a stable structure, which comprises a shell. A tray is arranged at the bottom in the shell; a top cover is arranged at the top of the shell; the tray and the shell are integrally formed in an injection molding mode. The tray is provided with an accommodating groove; a circuit board is arranged in the accommodating groove; a lower glue pouring cavity is formed between the bottom of the circuit board and the accommodating groove; an upper glue pouring cavity is formed between the top of the circuit board and the accommodating groove; the tray is provided with a glue filling port; and the lower glue filling cavity and the upper glue filling cavity are respectively communicated with the glue filling port. The containing groove is divided into the upper glue pouring cavity and the lower glue pouring cavity through the circuit board, waterproof glue can be poured into the top and the bottom of the circuit board, and therefore the waterproof performance and the shockproof performance of the circuit board can be effectively guaranteed; in addition, the tray and the shell are integrally formed through injection molding, so that the tray and the shell can be connected more stably and reliably, and production and assembly are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, and particularly relates to an electric bicycle charger with stable structure. Background Art

[0002] At present, electric bicycle chargers are widely used in the charging process of electric bicycles to ensure that the battery can be charged safely and effectively. In the existing charger design, the circuit board is usually placed in a tray and fixed by potting to enhance its stability and waterproof performance. However, in the prior art, the connection method between the tray and the charger housing mostly adopts snap connection or screw locking. The snap connection or screw locking method makes the assembly process cumbersome and time-consuming, increasing the production cost; in addition, due to the limitation of the connection method, the connection between the tray and the housing is not firm enough, and it is easy to be loosened or even detached under the influence of external forces; in addition, during the potting process between the tray and the circuit board, generally only the top of the circuit board is potted, and all surfaces of the circuit board cannot be completely covered, resulting in poor waterproof performance. Content of the Utility Model

[0003] The purpose of the utility model is to provide an electric bicycle charger with stable structure for the above deficiencies in the prior art.

[0004] The purpose of the utility model is realized through the following technical solutions: an electric bicycle charger with stable structure, including a housing; a tray is arranged at the bottom inside the housing; a top cover is arranged at the top of the housing; the tray and the housing are integrally injection molded;

[0005] The tray is provided with a receiving groove; a circuit board is arranged in the receiving groove; a lower potting cavity is formed between the bottom of the circuit board and the receiving groove; an upper potting cavity is formed between the top of the circuit board and the receiving groove; the tray is provided with a potting port; the lower potting cavity and the upper potting cavity are respectively communicated with the potting port.

[0006] The utility model is further arranged such that first baffles are arranged on both the left and right sides inside the housing; second baffles are arranged at the front and back inside the housing; the two first baffles and the two second baffles enclose to form the tray.

[0007] The utility model is further arranged such that the first baffle and the second baffle both extend towards the inner wall of the housing to be provided with extension plates; the potting port is formed between two adjacent extension plates.

[0008] The utility model is further arranged such that a reinforcing strip is arranged between the first baffle and the inner wall of the housing; the reinforcing strip is arranged along the height direction of the housing.

[0009] The present utility model is further configured such that a waterproof limit groove is provided at the top of the reinforcing strip; a waterproof limit plate that is snap-fitted with the waterproof limit groove is provided at the bottom of the top cover.

[0010] The present utility model is further configured such that a clamping groove is provided on the waterproof limit plate; a clamping buckle that is snap-fitted with the clamping groove is provided on the inner wall of the housing.

[0011] The present utility model is further configured such that the tray is provided with a first fixing post; a second fixing post that cooperates with the first fixing post is provided at the bottom of the top cover; a relief hole for making way for the first fixing post is provided on the circuit board.

[0012] The present utility model is further configured such that both the first baffle and the second baffle are provided with lower positioning blocks; one of the first baffles is provided with an upper positioning block; the bottom of the circuit board abuts against the top of the lower positioning block; the top of the circuit board abuts against the bottom of the upper positioning block.

[0013] The present utility model is further configured such that an inclined surface is provided at the top of the upper positioning block.

[0014] The present utility model is further configured such that a sealing groove is formed between the housing and the top cover; a sealing ring is provided in the sealing groove.

[0015] The beneficial effects of the present utility model: The present utility model divides the accommodation groove into an upper potting cavity and a lower potting cavity through the circuit board, and waterproof glue can be potted on both the top and the bottom of the circuit board, so as to effectively ensure the waterproof performance and shockproof performance of the circuit board; in addition, by integrally injection-molding the tray and the housing, the connection between the tray and the housing can be made more stable and reliable, and it is also convenient for production and assembly. Description of the Drawings

[0016] The utility model is further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation to the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to the following drawings without creative efforts.

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a cross-sectional view of the present utility model;

[0019] Figure 3 is an exploded structural diagram of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the top cover of the present utility model;

[0021] Figure 5 is a schematic structural diagram of the housing of the present utility model;

[0022] Wherein: 1. A housing; 11. A buckle; 2. A tray; 21. A first baffle; 22. A second baffle; 23. An extension plate; 24. A receiving groove; 25. A first fixing post; 3. A top cover; 31. A second fixing post; 4. A circuit board; 41. A relief hole; 51. A lower potting cavity; 52. An upper potting cavity; 53. A potting port; 6. A reinforcing strip; 61. A waterproof limit groove; 7. A waterproof limit plate; 71. A clamping groove; 81. A lower positioning block; 82. An upper positioning block; 83. An inclined surface; 9. A sealing groove. Specific embodiments

[0023] The present utility model will be further described in conjunction with the following embodiments.

[0024] As Figures 1 to 5 can be seen, a stable-structured electric bicycle charger described in this embodiment includes a housing 1; a tray 2 is provided at the bottom inside the housing 1; a top cover 3 is provided at the top of the housing 1; the tray 2 and the housing 1 are integrally injection-molded.

[0025] The tray 2 is provided with a receiving groove 24; a circuit board 4 is provided in the receiving groove 24; a lower potting cavity 51 is formed between the bottom of the circuit board 4 and the receiving groove 24; an upper potting cavity 52 is formed between the top of the circuit board 4 and the receiving groove 24; the tray 2 is provided with a potting port 53; the lower potting cavity 51 and the upper potting cavity 52 are respectively communicated with the potting port 53.

[0026] Specifically, when the stable-structured electric bicycle charger described in this embodiment is in use, the circuit board 4 is placed in the receiving groove 24, and the circuit board 4 divides the receiving groove 24 to form the upper potting cavity 52 and the lower potting cavity 51. When potting the circuit board 4 and the tray 2 through the potting port 53, waterproof glue can be potted on both the top and the bottom of the circuit board 4, so as to effectively ensure the waterproof performance and shockproof performance of the circuit board 4; in addition, since the lower potting cavity 51 and the upper potting cavity 52 are respectively communicated with the potting port 53, when potting, the glue can fully flow into the lower potting cavity 51 and the upper potting cavity 52; secondly, in this embodiment, by integrally injection-molding the tray 2 and the housing 1, compared with the traditional clamping or screwing structure, the connection between the tray 2 and the housing 1 can be made more stable and reliable, and it is convenient for production and assembly.

[0027] In the stable-structured electric bicycle charger described in this embodiment, first baffles 21 are provided on both the left and right sides inside the housing 1; second baffles 22 are provided in the front and back inside the housing 1; the tray 2 is enclosed between the two first baffles 21 and the two second baffles 22. The above setting facilitates the integral formation of the housing 1 and the tray 2.

[0028] A structurally stable electric bicycle charger according to this embodiment, the first baffle 21 and the second baffle 22 are both provided with extension plates 23 extending towards the inner wall of the housing 1; a glue filling port 53 is formed between two adjacent extension plates 23. Specifically, through the above settings, when filling glue, the glue can be directly filled in the glue filling port 53, so that when filling glue, the glue can fully flow into the lower glue filling cavity 51 and the upper glue filling cavity 52; in addition, by providing the glue filling port 53, after the tray 2 and the housing 1 are integrally injection molded, it is convenient to perform demolding treatment in the glue filling port 53.

[0029] A structurally stable electric bicycle charger according to this embodiment, a reinforcing strip 6 is provided between the first baffle 21 and the inner wall of the housing 1; the reinforcing strip 6 is arranged along the height direction of the housing 1. Through the above settings, the strength of the tray 2 and the housing 1 can be enhanced.

[0030] A structurally stable electric bicycle charger according to this embodiment, a waterproof limit groove 61 is provided at the top of the reinforcing strip 6; a waterproof limit plate 7 is provided at the bottom of the top cover 3 and is clamped with the waterproof limit groove 61.

[0031] Specifically, through the above settings, after the top cover 3 and the housing 1 are assembled, the waterproof limit plate 7 is clamped in the waterproof limit groove 61, so as to effectively prevent external water from entering the interior of the housing 1.

[0032] A structurally stable electric bicycle charger according to this embodiment, the waterproof limit plate 7 is provided with a card slot 71; a buckle 11 is provided on the inner wall of the housing 1 and is clamped with the card slot 71. Through the above settings, it is convenient to disassemble and assemble the housing 1 and the top cover 3.

[0033] A structurally stable electric bicycle charger according to this embodiment, the tray 2 is provided with a first fixing column 25; a second fixing column 31 is provided at the bottom of the top cover 3 and is matched with the first fixing column 25; the circuit board 4 is provided with a relief hole 41 for making way for the first fixing column 25.

[0034] After the top cover 3 and the housing 1 are clamped, the first fixing column 25 and the second fixing column 31 are aligned. At this time, screws can be passed through from the top of the housing 1, and then the first fixing column 25 and the second fixing column 31 are fixed.

[0035] A structurally stable electric bicycle charger according to this embodiment, the first baffle 21 and the second baffle 22 are both provided with lower positioning blocks 81; one of the first baffles 21 is provided with an upper positioning block 82; the bottom of the circuit board 4 abuts against the top of the lower positioning block 81; the top of the circuit board 4 abuts against the bottom of the upper positioning block 82.

[0036] Specifically, through the above settings in this embodiment, the circuit board 4 is fixed between the upper positioning block 82 and the lower positioning block 81, so that there is a gap between the bottom of the circuit board 4 and the accommodating groove 24, thereby forming the lower potting cavity 51.

[0037] For a stable-structured electric bicycle charger described in this embodiment, the top of the upper positioning block 82 is provided with an inclined surface 83. Through the above settings, it is convenient to push the circuit board 4 between the upper positioning block 82 and the lower positioning block 81.

[0038] For a stable-structured electric bicycle charger described in this embodiment, a sealing groove 9 is formed between the housing 1 and the top cover 3; a sealing ring is provided in the sealing groove 9. The sealing ring is not drawn in the figure. Through the above settings, the sealing performance between the housing 1 and the top cover 3 can be enhanced.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. An electric bicycle charger with a stable structure, characterized by: It comprises a shell (1); a tray (2) is provided at the bottom of the shell (1); a top cover (3) is provided at the top of the shell (1); the tray (2) and the shell (1) are integrally injection-molded; The tray (2) is provided with a receiving groove (24); a circuit board (4) is provided in the receiving groove (24); a lower glue filling cavity (51) is formed between the bottom of the circuit board (4) and the receiving groove (24); an upper glue filling cavity (52) is formed between the top of the circuit board (4) and the receiving groove (24); the tray (2) is provided with a glue filling port (53); the lower glue filling cavity (51) and the upper glue filling cavity (52) are respectively connected to the glue filling port (53).

2. The electric bicycle charger with a stable structure according to claim 1, characterized in that: First baffles (21) are provided on both left and right sides of the shell (1); second baffles (22) are provided on both front and rear sides of the shell (1); and the tray (2) is enclosed between the two first baffles (21) and the two second baffles (22).

3. The electric bicycle charger with a stable structure according to claim 2, characterized in that: The first baffle plate (21) and the second baffle plate (22) are both provided with extension plates (23) extending towards the inner wall of the shell (1); and the glue injection port (53) is formed between two adjacent extension plates (23).

4. The electric bicycle charger with a stable structure according to claim 2, characterized in that: A reinforcement strip (6) is provided between the first baffle plate (21) and the inner wall of the shell (1); the reinforcement strip (6) is arranged along the height direction of the shell (1).

5. The electric bicycle charger with a stable structure according to claim 4, characterized in that: The top of the reinforcing strip (6) is provided with a waterproof limiting groove (61); the bottom of the top cover (3) is provided with a waterproof limiting plate (7) which is clamped with the waterproof limiting groove (61).

6. The electric bicycle charger with a stable structure according to claim 5, characterized in that: The waterproof limiting plate (7) is provided with a clamping groove (71); and the inner wall of the housing (1) is provided with a clamping buckle (11) clamped with the clamping groove (71).

7. The electric bicycle charger with a stable structure according to claim 1, characterized in that: The tray (2) is provided with a first fixing column (25); the bottom of the top cover (3) is provided with a second fixing column (31) matched with the first fixing column (25); and the circuit board (4) is provided with a clearance hole (41) for making way for the first fixing column (25).

8. The electric bicycle charger with a stable structure according to claim 2, characterized in that: The first baffle plate (21) and the second baffle plate (22) are both provided with a lower positioning block (81); one of the first baffle plates (21) is provided with an upper positioning block (82); the bottom of the circuit board (4) abuts against the top of the lower positioning block (81); and the top of the circuit board (4) abuts against the bottom of the upper positioning block (82).

9. The electric bicycle charger with a stable structure according to claim 8, characterized in that: The top of the upper positioning block (82) is provided with an inclined surface (83).

10. The electric bicycle charger with a stable structure according to claim 1, characterized in that: A sealing groove (9) is formed between the housing (1) and the top cover (3); a sealing ring is provided in the sealing groove (9).

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