Lithium battery electric bicycle charger plug with dustproof function

Abstract

The utility model discloses a lithium battery electric bicycle charger plug with a dustproof function, which comprises a mounting box and a socket arranged at the right end of the mounting box. The shaft center is arranged in the mounting box, the outer end of the shaft center is sleeved with a clockwork spring, a ratchet wheel is mounted at the upper end of the clockwork spring, a pawl is arranged on the right side of the upper end of the ratchet wheel, a charging wire is wound on the upper side of the ratchet wheel, the lower end of the charging wire is connected with a charging head, and a mounting shaft is mounted at the upper end of the charging head; a torsion spring is wound on the outer side of the mounting shaft, a protective cover is connected to the upper end of the mounting shaft, and a square ring is mounted at the upper end of the protective cover; and the plug is mounted at the front end of the charging head. According to the lithium battery electric bicycle charger plug with the dustproof function, automatic take-up is facilitated, a charging wire is protected, isolation protection of the plug is facilitated, dust and water are prevented, and secondary lock catch is prevented from being shaken off.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium-ion electric bicycle charger plugs, in particular to a lithium-ion electric bicycle charger plug with a dustproof function. Background Art

[0002] Electric bicycles are inexpensive and easy to use, making them the means of transportation chosen by most office workers. However, after the battery of an electric bicycle is consumed, it needs to be charged by connecting the vehicle to a power source via a charger.

[0003] The announcement number CN 104477300 A provides an electric bicycle with a built-in charger, comprising a frame and a front wheel and a rear wheel respectively arranged at the front and rear of the frame, wherein the frame is provided with guard plates at the left and right sides of the rear wheel, wherein a charger housing is provided above one of the guard plates, wherein a charger is installed in the charger housing, and the charger is connected to the battery of the electric bicycle via a wire. The electric bicycle with a built-in charger of the present invention has a simple structure and a novel concept, wherein the charger is installed on the electric bicycle and has an independent space, and is convenient for disassembly and maintenance.

[0004] The above-mentioned prior art solutions have the following defects: the lithium-ion electric bicycle charger plug is not convenient for automatic wire reeling, the exposed charging wire is easily dirty, it is not convenient to isolate and protect the plug, it is easy to collect dust, and it is easy to shake off. Therefore, the utility model provides a lithium-ion electric bicycle charger plug with a dustproof function to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a lithium-ion electric bicycle charger plug with a dustproof function, so as to solve the problems in the above-mentioned background technology that the lithium-ion electric bicycle charger plug is not convenient for automatic wire reeling, the exposed charging wire is easy to get dirty, it is not convenient to isolate and protect the plug, it is easy to get dusty, and it is easy to fall off.

[0006] To achieve the above object, the utility model provides the following technical solution: a lithium electric bicycle charger plug with dustproof function, comprising an installation box and a socket, wherein the socket is arranged at the right end of the installation box;

[0007] Also includes:

[0008] An axis, which is arranged inside the installation box, a spring is sleeved on the outer end of the axis, a ratchet is installed on the upper end of the spring, a pawl is arranged on the right side of the upper end of the ratchet, a charging line is wound around the upper side of the ratchet, a charging head is connected to the lower end of the charging line, a mounting shaft is installed on the upper end of the charging head, a torsion spring is wound around the outer side of the mounting shaft, a protective cover is connected to the upper end of the mounting shaft, and a square ring is installed on the upper end of the protective cover;

[0009] A plug is installed at the front end of the charging head, a protrusion is installed inside the plug, a round wire spring is connected to the lower end of the protrusion, and a ring sleeve is installed on the outside of the charging head.

[0010] Preferably, the ratchet forms a rotating structure at the upper end of the clockwork spring, and the upper side of the right end of the ratchet is connected to the pawl in a snap-fitting manner.

[0011] Preferably, the cross section of the plug is an "H"-shaped structure, and a protrusion is fixed to the upper end of the rear plate of the plug.

[0012] Preferably, the plug forms a sliding structure at the front end of the charging head, and the compressed sliding shape of the plug can be reset by rebounding of a round wire spring.

[0013] Preferably, the square ring is in a "circular" structure, and the protrusions are connected inside the square ring by snap-fitting.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the lithium-ion electric bicycle charger plug with dustproof function is convenient for automatic wire reeling, protects the charging wire, is convenient for isolating and protecting the plug, is dustproof and waterproof, and the secondary lock buckle prevents vibration and detachment;

[0015] 1. An axis, a spring and a ratchet are provided. The ratchet is moved to disengage from the ratchet, so that the ratchet is driven by the spring to quickly rotate in the opposite direction to the initial state, and the winding is restored and summarized. This structure facilitates automatic winding and protects the charging cable;

[0016] 2. A charging head and a protective cover are provided. A protective cover is provided on the upper end of the charger shell. When the plug is not used for a long time, the protective cover can be turned down to isolate and protect the plug from dust and water;

[0017] 3. A protective cover and a ring sleeve are provided. When the device needs to be transported over long distances, in order to prevent the structure from vibrating and loosening, the ring sleeve can be flipped upward to the upper end of the protective cover to compact the protective cover and prevent the lock from detaching. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the charging head and the protective cover of the utility model;

[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 4 It is a schematic diagram of the connection structure between the protective cover and the ring sleeve of the utility model.

[0022] In the figure: 1. Installation box; 2. Socket; 3. Axis; 4. Clockwork spring; 5. Ratchet; 6. Pawl; 7. Charging cable; 8. Charging head; 9. Installation shaft; 10. Torsion spring; 11. Protective cover; 12. Square ring; 13. Plug; 14. Round wire spring; 15. Bump; 16. Ring sleeve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a lithium electric bicycle charger plug with dustproof function, including an installation box 1, a socket 2, an axis 3, a spring 4, a ratchet 5, a pawl 6, a charging line 7, a charging head 8, an installation shaft 9, a torsion spring 10, a protective cover 11, a square ring 12, a plug 13, a round wire spring 14, a bump 15 and a ring sleeve 16.

[0025] The shaft 3 is arranged inside the installation box 1, the outer end of the shaft 3 is sleeved with a spring 4, and the upper end of the spring 4 is installed with a ratchet 5, and the upper right side of the ratchet 5 is provided with a pawl 6, the upper side of the ratchet 5 is wound with a charging line 7, and the lower end of the charging line 7 is connected to a charging head 8, and the upper end of the charging head 8 is installed with a mounting shaft 9, the outer side of the mounting shaft 9 is wound with a torsion spring 10, and the upper end of the mounting shaft 9 is connected to a protective cover 11, and the upper end of the protective cover 11 is installed with a square ring 12;

[0026] The plug 13 is installed at the front end of the charging head 8 . A protrusion 15 is installed inside the plug 13 , and a round wire spring 14 is connected to the lower end of the protrusion 15 . A ring sleeve 16 is installed on the outer side of the charging head 8 .

[0027] like Figure 1As shown, the ratchet 5 forms a rotating structure at the upper end of the clockwork spring 4, and the upper side of the right end of the ratchet 5 is connected to the pawl 6 in a snap-fitting manner. When using the charger, first plug the socket 2 into the power end, and then hold the charging head 8 to pull out the charging line 7, then the charging line 7 is wound around the axis 3, driving the ratchet 5 to rotate, and at the same time the clockwork spring 4 is tightened, and after the required length is stretched, the device is self-locking, and the plug 13 is inserted into the electric bicycle. When charging is completed, remove the plug 13, and move the pawl 6 to disengage the ratchet 5, so that the ratchet 5 is driven by the clockwork spring 4 to quickly rotate in the opposite direction to the initial state, and the winding is restored and summarized. This structure is convenient for automatic winding and protection of the charging line.

[0028] like Figure 2 , Figure 3 and Figure 4 As shown, the cross-section of the plug 13 is an "H"-shaped structure, and a protrusion 15 is fixed to the upper end of the rear plate of the plug 13. The plug 13 forms a sliding structure at the front end of the charging head 8, and the compressed sliding state of the plug 13 can be rebounded and reset by the round wire spring 14. The square ring 12 is a "return"-shaped structure, and the protrusion 15 is connected to the inside of the square ring 12 by a snap-fitting manner. A protective cover 11 is provided at the upper end of the charger shell. When the plug is not used for a long time, the protective cover 11 can be turned down to isolate and protect the plug 13 from dust and water. When the protective cover 11 is turned to the bottom, when the square ring 12 contacts the protrusion 15, the plug 13 is squeezed toward the inside of the charging head 8 until the protrusion 15 is snapped into the inside of the square ring 12 and locked. When the device needs to be transported over long distances, in order to prevent the structure from vibrating and loosening, the ring sleeve 16 can also be flipped upward to the upper end of the protective cover 11 to compact the protective cover 11 to prevent the lock from detaching.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lithium-ion electric bicycle charger plug with dustproof function, comprising a mounting box (1) and a socket (2), wherein the socket (2) is arranged at the right end of the mounting box (1); It is characterized in that Also includes: An axis (3) is arranged inside the installation box (1), the outer end of the axis (3) is sleeved with a spring spring (4), the upper end of the spring spring (4) is equipped with a ratchet (5), and the upper right side of the ratchet (5) is equipped with a pawl (6), the upper side of the ratchet (5) is wound with a charging cable (7), the lower end of the charging cable (7) is connected to a charging head (8), and the upper end of the charging head (8) is equipped with an installation shaft (9), the outer side of the installation shaft (9) is wound with a torsion spring (10), the upper end of the installation shaft (9) is connected to a protective cover (11), and the upper end of the protective cover (11) is equipped with a square ring (12); A plug (13) is installed at the front end of a charging head (8), a protrusion (15) is installed inside the plug (13), a round wire spring (14) is connected to the lower end of the protrusion (15), and a ring sleeve (16) is installed on the outer side of the charging head (8).

2. The lithium-ion electric bicycle charger plug with dustproof function according to claim 1 is characterized by: The ratchet wheel (5) forms a rotating structure at the upper end of the spring (4), and the upper side of the right end of the ratchet wheel (5) is connected to the pawl (6) in a snap-fitting manner.

3. The dustproof lithium-ion electric bicycle charger plug according to claim 1 is characterized in that: The cross section of the plug (13) is in an "H"-shaped structure, and a protrusion (15) is fixed to the upper end of the rear plate of the plug (13).

4. The lithium-ion electric bicycle charger plug with dustproof function according to claim 1 is characterized by: The plug (13) forms a sliding structure at the front end of the charging head (8), and the compressed sliding state of the plug (13) can be rebounded and reset by a round wire spring (14).

5. The dustproof lithium-ion electric bicycle charger plug according to claim 1 is characterized in that: The square ring (12) has a "circular" structure, and the protrusion (15) is connected inside the square ring (12) in a snap-fit ​​manner.

Images