Outer shell of battery car charger
By designing an adjustable-length and automatically retractable battery charger casing, the problems of non-adjustable power cord length and inconvenient storage are solved, improving ease of use and the neatness of the power cord.
Patent Information
- Application Number
- CN202422480168.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-10-14
AI Technical Summary
Existing electric vehicle chargers have limited functionality, and the power cord length is not adjustable, which can easily lead to loose plugs and broken power cords. They are also inconvenient to store and leave the chargers messy after use.
A charger housing consisting of an upper shell and a lower shell was designed, with an internal winding and rewinding mechanism. The adjustable length of the power cord and automatic rewinding are achieved through a limiting hole, a limiting ring, and a turntable structure.
It allows for flexible adjustment of the power cord length, preventing loose plugs and broken power cords, thus improving ease of use and the neatness of the power cord.
Smart Images

Figure CN223694095U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of power supply equipment especially relates to a shell of battery car charger. BACKGROUND
[0002] The battery car charger is designed for the electric vehicle, is used for converting alternating current into direct current, and is further used for charging the battery of the electric vehicle. It plays a role of connecting the power supply and the battery of the electric vehicle, and ensures that the battery can safely and effectively receive and store electric energy. The battery car charger is one of the important accessories of the battery car, and its performance and quality directly affect the charging efficiency, safety and battery life of the battery car. The charger shell is usually made of insulating materials such as plastic to ensure the safety of the user.
[0003] The existing battery car charger shell has a single function. In use, the power output line and the power input line are both dragged and hung outside the shell. When in use, the length of the line cannot be adjusted according to actual needs. When the length is not enough, the power line will be lifted up to the shell. On the one hand, it is easy to cause the charging head to loosen under the gravity of the shell. On the other hand, it will also cause the connection of the power line to break due to long-term pulling, affecting the service life. Moreover, it is not convenient to store after use. After use, the line can only be manually wound up. The battery car charger is usually placed in the vehicle body. Due to the lack of fixation, the power line will become messy during the bumping process. Therefore, it is very inconvenient to use. SUMMARY
[0004] The utility model aims at solving the shortcomings in the prior art and provides a shell of battery car charger.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A shell of battery car charger, comprising a shell, the shell is composed of an upper shell and a lower shell which are clamped and spliced, first limiting holes are formed at both ends of the shell, second limiting holes are formed in the upper shell, limiting rings are fixedly connected to the upper shell near both ends, two limiting plates are fixedly connected in the lower shell, and semicircular grooves are formed in the two limiting plates;
[0007] It also comprises two winding mechanisms which are symmetrically arranged, the two winding mechanisms each comprise a first rotating disc, a sliding groove is formed around the outer circle of the two first rotating discs, a first column is fixedly connected to one side of the two first rotating discs close to each other, a first limiting disc is fixedly connected to one end of the two first columns close to each other, a wire terminal is penetrated through the two first limiting discs, a first sliding groove is formed around the outer circle of the two first limiting discs, and a first limiting ring is connected to the side wall of the two first columns.
[0008] The winding mechanism comprises a second rotating disc, a second sliding groove is formed around the outer ring of the second rotating disc, a second column is fixedly connected to the bottom of the second rotating disc, a second limiting disc is fixedly connected to the bottom of the second column, a second limiting ring is connected to the sidewall of the second column, and two traction lines are wound on the second column.
[0009] Preferably, the two winding mechanisms are located inside the shell, the two first rotating discs are used in cooperation with the two first limiting holes respectively, the two first limiting discs are located on the two limiting plates respectively, and the two first sliding grooves are used in cooperation with the two semicircular grooves respectively.
[0010] Preferably, a plurality of heat dissipation holes are formed in the upper shell and the lower shell, and a threading groove is formed at each end of the upper shell.
[0011] Preferably, the second limiting hole is located at the top of the upper shell, the second rotating disc penetrates through the second limiting hole, and the second sliding groove is used in cooperation with the second limiting hole.
[0012] Preferably, the winding directions of the two traction lines are consistent, the portions of the two traction lines wound on the second limiting disc are located above and below the second limiting ring respectively, the ends of the two traction lines away from the second limiting disc penetrate through the two limiting rings and are wound on the two first columns respectively, the portions of the two traction lines located on the two first columns are located on the sides away from each other of the two first limiting rings respectively, and the portions of the two first columns located between the first limiting disc and the first limiting ring are used for winding the power input line and the power output line.
[0013] Preferably, the two limiting rings are located inside the shell and above the two winding mechanisms respectively.
[0014] Preferably, the ends of the two connecting terminals away from each other are used for connecting the power input line and the power output line respectively, and the ends of the two connecting terminals close to each other are used for electrically connecting with the wires installed inside the shell.
[0015] The utility model has the following beneficial effects:
[0016] 1、The charger shell in the utility model can adjust the length of the power line according to actual needs during use, and the shell can be placed on the vehicle body by adjusting to the appropriate length, avoiding the situation that the power line is pulled due to insufficient length, thereby reducing the plug loosening and the power line breakage caused by long-term pulling.
[0017] 2、The charger shell in the utility model can store the power line after use, avoiding messy wires, and the two ends can be wound at the same time through the rotating disc, which is very convenient to use. DRAWINGS
[0018] Figure 1 The utility model provides a whole structure schematic diagram of the shell body of the battery car charger;
[0019] Figure 2 The utility model provides a shell structure schematic diagram of the shell body of the battery car charger;
[0020] Figure 3 The utility model provides a upper shell of the shell body of the battery car charger;
[0021] Figure 4 The utility model provides a lower shell structure schematic diagram of the shell body of the battery car charger;
[0022] Figure 5 The utility model provides a internal structure section view of the shell body of the battery car charger;
[0023] Figure 6 The utility model provides a shell body of the battery car charger of Figure 5 The structure enlarged view of A place in the middle;
[0024] Figure 7 The utility model provides a winding mechanism structure schematic diagram of the shell body of the battery car charger;
[0025] Figure 8 The utility model provides a winding mechanism structure schematic diagram of the shell body of the battery car charger.
[0026] In the drawing: 1, shell; 101, first limit hole; 2, upper shell; 201, second limit hole; 202, threading groove; 3, lower shell; 301, limit plate; 302, semicircular groove; 4, winding mechanism; 401, first rotating disc; 401a, sliding slot; 402, first column; 403, first limit disc; 403a, first sliding slot; 404, first limit ring; 5, winding mechanism; 501, second rotating disc; 501a, second sliding slot; 502, second column; 503, second limit disc; 504, second limit ring; 6, traction line; 7, limit ring; 8, terminal; 9, heat dissipation hole. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0028] Refer to Figures 1-8The utility model provides an electric battery car charger's outer casing, including casing 1, its characterized in be, casing 1 is by the snap together of upper casing 2 and lower casing 3 and is composed, and the maintenance is facilitated, both ends of casing 1 are equipped with first limit hole 101, and the second limit hole 201 of upper casing 2 is equipped with, and the second limit hole 201 is located at the top of upper casing 2, and the both ends of upper casing 2 are fixedly connected with the limit ring 7, and the upper casing 2 and lower casing 3 are all equipped with a plurality of heat dissipation holes 9, can be used for heat dissipation, and both ends of upper casing 2 are equipped with threading groove 202, for passing through power input line and power output line, and two limit plates 301 are fixedly connected in lower casing 3, and the both sides of two limit plates 301 are equipped with semicircular groove 302,
[0029] Still include two symmetrical winding mechanism 4 that set up, two winding mechanism 4 all include first turntable 401, and the outer ring of two first turntable 401 all surrounds and is equipped with sliding slot 401a, and two first turntable 401 are respectively connected with two first limit hole 101 through sliding slot 401a, and the side of two first turntable 401 close to each other is fixedly connected with first cylinder 402, and the end of two first cylinder 402 close to each other is fixedly connected with first limit disc 403, and two first limit disc 403 are all equipped with terminal 8, and the end of two terminal 8 away from each other is used for connecting power input line and power output line respectively, and the end of two terminal 8 close to each other is used for with the line electrical connection installed in the inside of casing 1 respectively, and the outer ring of two first limit disc 403 all surrounds and is equipped with first sliding slot 403a, and two first limit disc 403 are respectively used with two semicircular groove 302 through first sliding slot 403a, and the edge of two semicircular groove 302 is located in two first sliding slot 403a respectively, realize the support of first limit disc 403 and do not hinder its rotation, and the side wall of two first cylinder 402 all surrounds and is connected with first limit ring 404, and two first cylinder 402 are all wound with traction line 6, and the part of two traction line 6 on two first cylinder 402 is located on the side of two first limit ring 404 away from each other respectively, and the part of two first cylinder 402 between first limit disc 403 and first limit ring 404 is used for winding power input line and power output line respectively,
[0030] Further include a winding mechanism 5, winding mechanism 5 includes the second rotating disc 501, the second rotating disc 501 runs through the second limiting hole 201, the outer ring of the second rotating disc 501 is provided with the second sliding slot 501a, and the second sliding slot 501a is used with the second limiting hole 201, the second limiting hole 201 supports the second rotating disc 501, and simultaneously enables the second rotating disc 501 to rotate in the ring thereof through the sliding slot 501a, the bottom of the second rotating disc 501 is fixedly connected with the second column body 502, the bottom of the second column body 502 is fixedly connected with the second limiting disc 503, the side wall of the second column body 502 is connected with the second limiting ring 504, two traction lines 6 are wound on the second column body 502, the two traction lines 6 are located above and below the second limiting ring 504 respectively, the winding directions of the two traction lines 6 are consistent, and the ends of the two traction lines 6 away from the second limiting disc 503 pass through two limiting rings 7 and are wound on the two first column bodies 402 respectively, and the synchronous rotation of the two winding mechanisms 4 and the winding mechanism 5 is realized through the traction line 6, the two limiting rings 7 are located above the two winding mechanisms 4 respectively, and the traction and fixation of the traction line 6 are realized.
[0031] In use, the second rotating disc 501 is rotated to expose the part of the second limiting hole 202, and the two traction lines 6 are retracted or extended, since the ends of the two traction lines 6 are wound on the two winding mechanisms 4 respectively, when the second rotating disc 501 is rotated, the two winding mechanisms 4 are synchronously rotated through the two traction lines 6, so that the synchronous retraction and extension of the power input line and the power output line wound on the winding mechanism 4 is realized, the second limiting ring 504 is used for separating the two traction lines 6, so that the two traction lines 6 can not affect each other in the winding process, and similarly, the first limiting ring 404 in the winding mechanism 4 separates the second column body 502 into two sections, one section close to the outside of the shell 1 is used for winding the traction line 6, and the other section close to the inside of the shell 1 is used for winding the power input line or the power output line, the wiring terminal 8 on the first limiting disc 403 is used for connecting the internal circuit and the power line of the shell 1, when the power line is retracted or extended, the wiring terminal 8 penetrates the first limiting disc 403, so that the power line can be fixed, and the wiring terminal 8 can synchronously rotate around the axis of the first limiting disc 403, so that the winding of the power line is not affected.
[0032] The above merely describes a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. An outer housing of a battery car charger comprising a housing (1), characterized in that, The shell (1) is composed of the upper shell (2) and the lower shell (3) which are clamped and spliced, first limiting holes (101) are arranged at both ends of the shell (1), second limiting holes (201) are arranged on the upper shell (2), limiting rings (7) are fixedly connected to the upper shell (2) near both ends, two limiting plates (301) are fixedly connected in the lower shell (3), semicircular grooves (302) are arranged on the two limiting plates (301); It also comprises two wire winding mechanisms (4) which are symmetrically arranged, the two wire winding mechanisms (4) each comprise a first rotating disc (401), a sliding groove (401a) is arranged around the outer circle of the first rotating disc (401), a first column (402) is fixedly connected to the side of the first rotating disc (401) near the other, a first limiting disc (403) is fixedly connected to the end of the first column (402) near the other, a wire terminal (8) is arranged on the first limiting disc (403), a first sliding groove (403a) is arranged around the outer circle of the first limiting disc (403), and a first limiting ring (404) is connected to the side wall of the first column (402); It also comprises a winding mechanism (5), the winding mechanism (5) comprises a second rotating disc (501), a second sliding groove (501a) is arranged around the outer circle of the second rotating disc (501), a second column (502) is fixedly connected to the bottom of the second rotating disc (501), a second limiting disc (503) is fixedly connected to the bottom of the second column (502), a second limiting ring (504) is connected to the side wall of the second column (502), and two traction lines (6) are wound on the second column (502).
2. The housing of claim 1, wherein, The two wire winding mechanisms (4) are located in the shell (1), the two first rotating discs (401) are used in cooperation with the two first limiting holes (101) respectively, the two first limiting discs (403) are located on the two limiting plates (301) respectively, and the two first sliding grooves (403a) are used in cooperation with the two semicircular grooves (302) respectively.
3. The housing of claim 1, wherein, A plurality of heat dissipation holes (9) are arranged on the upper shell (2) and the lower shell (3), and a threading groove (202) is arranged at both ends of the upper shell (2).
4. The housing of claim 1, wherein, The second limiting hole (201) is located at the top of the upper shell (2), the second rotating disc (501) penetrates the second limiting hole (201), and the second sliding groove (501a) is used in cooperation with the second limiting hole (201).
5. The housing of claim 1, wherein, The winding directions of the two traction lines (6) are consistent, the portions of the two traction lines (6) wound on the second limiting disc (503) are located above and below the second limiting ring (504) respectively, the ends of the two traction lines (6) away from the second limiting disc (503) pass through the two limiting rings (7) and are wound on the two first columns (402) respectively, and the portions of the two traction lines (6) on the two first columns (402) are located on the sides of the two first limiting rings (404) away from each other, and the portions of the two first columns (402) between the first limiting disc (403) and the first limiting ring (404) are used for winding the power input line and the power output line.
6. The housing of claim 1, wherein, The two limiting rings (7) are located in the shell (1), and the two limiting rings (7) are located above the two winding mechanisms (4) respectively.
7. The housing of claim 1, wherein, The ends of the two wire terminals (8) away from each other are used for connecting the power input line and the power output line respectively, and the ends of the two wire terminals (8) close to each other are used for electrically connecting with the lines installed in the shell (1).