Battery charger

Abstract

The utility model relates to a battery charger. The battery charger comprises a lower cover (10), a middle frame (20) and a charging circuit, and further comprises a flip cover (30) which is arranged above the middle frame (20) and can be buckled to a battery bin (21) in a turnover mode, the rotating shaft side of the flip cover (30) is arranged on the edge of the upper portion of the middle frame (20) in a pivoted mode, and the flip cover (30) is provided with a pushing engine (31) which is exposed to the upper surface of the flip cover (30) and can be pushed to move horizontally in the direction from the upper surface of the flip cover (30) to the edge of the upper portion of the middle frame (20). The pushing engine (31) is provided with a first buckling position (32) facing the upper edge of the middle frame (20) in the translation direction, and the upper edge of the middle frame (20) is provided with a second buckling position (22) matched with the first buckling position (32) in an aligned mode. According to the battery charger of the utility model, a battery heat preservation structure with a flip cover and a push engine is designed; the battery is very convenient to load and charge and take out after being fully charged, and meanwhile, the battery can be covered by the flip cover to preserve heat when being charged in low-temperature weather.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery charger. Background Art

[0002] A battery is a device that contains an electrolyte solution and metal electrodes to generate an electric current in a cup, a tank or other container or part of a composite container that can convert chemical energy into electrical energy.

[0003] Ordinary batteries are disposable, while rechargeable batteries can be recharged and used repeatedly. The advantages of rechargeable batteries are that they are economical, environmentally friendly, and have sufficient power, making them suitable for high-power, long-term electrical appliances. Rechargeable batteries are made of different materials and processes, and the common ones include lead-acid batteries, nickel-cadmium batteries, nickel-iron batteries, nickel-metal hydride batteries, and lithium-ion batteries.

[0004] A battery charger is an electronic device used to charge rechargeable batteries. Common chargers for removable rechargeable batteries generally consist of a housing that contains a charging circuit and a battery compartment on the housing that contains the battery to be charged. According to the type of battery to be charged, it can be divided into nickel-cadmium battery chargers, nickel-metal hydride battery chargers, nickel-zinc battery chargers, lead-acid battery chargers, lithium battery chargers, lithium iron phosphate chargers, etc.

[0005] The principle of existing rechargeable battery charging technology involves electrochemical reactions. The chemical substances between the positive and negative electrodes of the rechargeable battery change under the action of an external power source. The external power source provides energy to reverse the electrochemical reaction between the positive and negative electrodes, thereby realizing battery charging. Therefore, when a rechargeable battery is charged with a charger, it is usually required to be charged normally within a certain temperature range. Too high or too low a temperature is not conducive to charging the rechargeable battery.

[0006] Therefore, rechargeable batteries need to be charged in a special charger and be easy to take out. In addition, in order to be able to charge normally in low temperature weather, they must have a heat preservation device. Summary of the invention

[0007] Therefore, the purpose of the utility model is to provide a charger having a structure that is beneficial to keeping the rechargeable battery warm during charging.

[0008] To achieve the above-mentioned purpose, the utility model provides a battery charger, including a lower cover, a middle frame and a charging circuit, wherein the lower cover is assembled under the middle frame to cooperate with the middle frame to enclose the charging circuit installed therebetween, the upper surface of the middle frame is provided with a downward depression to form a battery compartment for accommodating batteries to be charged, and the utility model is characterized in that it also includes a flip cover arranged above the middle frame and can be flipped and buckled onto the battery compartment, the rotating shaft side of the flip cover is pivotally arranged on the upper edge of the middle frame, the flip cover is provided with a push engine exposed to the upper surface of the flip cover and can be pushed and translated along the upper surface of the flip cover toward the upper edge of the middle frame, the push engine is provided with a first buckle position facing the upper edge of the middle frame along the translation direction, and the upper edge of the middle frame is provided with a second buckle position aligned with the first buckle position; when the flip cover is buckled onto the battery compartment, the first buckle position can be aligned and buckled with the second buckle position by pushing the push engine toward the upper edge of the middle frame.

[0009] The flip cover includes a plastic cover as the top of the flip cover and a metal plate assembled under the plastic cover as the bottom of the flip cover. When the flip cover is buckled onto the battery compartment, the metal plate covers the top of the battery compartment.

[0010] The pusher is arranged between the plastic cover and the metal plate, and comprises a protrusion exposed on the upper surface of the plastic cover for pushing.

[0011] Wherein, the push engine also includes a slider for translation along the lower surface of the plastic cover.

[0012] Wherein, a sliding groove for the sliding block to translate is provided on the lower surface of the plastic cover.

[0013] Wherein, a spring piece is also provided on the lower surface of the plastic cover in the translation direction of the slider to serve as a stop structure for the pusher.

[0014] The metal plate is provided with a notch to allow the first buckle position of the pusher to be exposed from the metal plate.

[0015] Wherein, the metal plate is an aluminum plate.

[0016] Wherein, a shaft seat is provided on the side edge of the plastic cover.

[0017] Wherein, an axle tube is provided at the upper edge of the middle frame, and the axle side of the flip cover is pivotally arranged at the upper edge of the middle frame by means of a rotating shaft installed between the axle seat and the axle tube.

[0018] In summary, the battery charger of the utility model is designed with a battery heat preservation structure adopting a flip cover and a push engine; the battery is convenient to load and charge, and to take out when fully charged. At the same time, when charging in low temperature weather, the flip cover can be used to cover the battery to keep it warm. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following detailed description of the specific implementation of the utility model in conjunction with the accompanying drawings will make the technical solution and other beneficial effects of the utility model obvious.

[0020] Figures 1 to 3 It is a three-dimensional schematic diagram of a preferred embodiment of the battery charger of the utility model, wherein the flip cover is in different opening and closing states;

[0021] Figure 4 This is an exploded schematic diagram of a preferred embodiment of the battery charger of the utility model;

[0022] Figure 5 It is a cross-sectional schematic diagram of a preferred embodiment of the battery charger of the utility model;

[0023] Figure 6 A three-dimensional schematic diagram of a flip cover of a preferred embodiment of the battery charger of the utility model;

[0024] Figure 7 This is an exploded schematic diagram of a flip cover of a preferred embodiment of the battery charger of the utility model. DETAILED DESCRIPTION

[0025] See also Figures 1 to 7 , Figures 1 to 3 This is a three-dimensional schematic diagram of a preferred embodiment of the battery charger of the utility model, wherein the flip cover is in different opening and closing states. Figure 4 The exploded schematic diagram of the preferred embodiment is as follows: Figure 5 This is a cross-sectional schematic diagram of a preferred embodiment. Figure 6 and Figure 7 The following are a three-dimensional schematic diagram and an exploded schematic diagram of the flip cover of a preferred embodiment.

[0026] The battery charger of the utility model mainly includes a lower cover 10, a middle frame 20 and a charging circuit. The lower cover 10 is assembled below the middle frame 20 to cooperate with the middle frame 20 to enclose the charging circuit installed between the two. The upper surface of the middle frame 20 is provided with a downward depression to form a battery compartment 21 for accommodating the battery to be charged, and also includes a flip cover 30 arranged above the middle frame 20 and can be flipped and buckled onto the battery compartment 21. In addition to the general charging function, the charging circuit can also be designed with a heating function using current, resistance, etc. Various status indicator lights can be set on the surface of the middle frame 20, and the battery compartment 21 can be configured with corresponding contacts and battery slots according to the type of battery to be charged; the utility model focuses on the charger insulation structure designed and manufactured by using a flip cover and a push engine. The design of the charging circuit and other parts can refer to the existing technology and will not be repeated here.

[0027] In this preferred embodiment, the hinge side of the flip cover 30 is pivotally disposed on the upper edge of the middle frame 20, and the flip cover 30 is provided with a pusher 31 exposed on the upper surface of the flip cover 30 and can be pushed and moved along the upper surface of the flip cover 30 toward the upper edge of the middle frame 20, see Figure 5 The pusher 31 is provided with a first buckle position 32 facing the upper edge of the middle frame 20 along the translation direction, and the upper edge of the middle frame 20 is provided with a second buckle position 22 that matches the first buckle position 32; when the flip cover 30 is buckled onto the battery compartment 21, the pusher 31 is pushed toward the upper edge of the middle frame 20 to align and buckle the first buckle position 32 with the second buckle position 22.

[0028] See also Figures 4 to 7 In this preferred embodiment, the flip cover 30 includes a plastic cover 34 as the top of the flip cover 30 and a metal plate 35 assembled below the plastic cover 34 as the bottom of the flip cover 30. The metal plate 35 can be fixed to the plastic cover 34 by screws 43. The material of the plastic cover 34 is conducive to heat preservation. When the flip cover 30 is buckled onto the battery compartment 21, the metal plate 35 covers the top of the battery compartment 21. The metal plate 35 can be an aluminum plate. The aluminum plate has faster and more uniform heat conduction, which can prevent the battery compartment 21 from being locally overheated when the flip cover 30 is buckled onto the battery compartment 21, thereby affecting charging.

[0029] In this preferred embodiment, the pusher 31 is disposed between the plastic cover 34 and the metal plate 35. The pusher 31 includes a protrusion 33 exposed on the upper surface of the plastic cover 34 for pushing, and also includes a slider 36 for translation along the lower surface of the plastic cover 34. The lower surface of the plastic cover 34 is provided with a slide groove 37 for the slider 36 to translate, and the slider 36 is embedded in the slide groove 37. The lower surface of the plastic cover 34 is also provided with a spring 38 in the translation direction of the slider 36 to serve as a stop structure for the pusher 31. In this preferred embodiment, the spring 38 is also embedded in the slide groove 37 and is disposed transversely in the translation direction of the slider 36. In this preferred embodiment, the metal plate 35 is provided with a notch 39 to allow the first buckle position 32 of the pusher 31 to be exposed from below the metal plate 35, and at the same time, a notch is provided at the corresponding position of the middle frame 20 to allow the first buckle position 32 of the pusher 31 to extend into the middle frame 20, so that the first buckle position 32 can be aligned with the second buckle position 22 at the upper edge of the middle frame 20.

[0030] The specific method of pivoting the hinge side of the flip cover 30 to the upper edge of the middle frame 20 can be selected according to needs. In this preferred embodiment, the side edge of the plastic cover 34 is provided with an axle seat 40, and correspondingly, the upper edge of the middle frame 20 is provided with an axle tube 41. By installing a rotating shaft 42 between the axle seat 40 and the axle tube 41, the hinge side of the flip cover 30 can be pivoted to the upper edge of the middle frame 20.

[0031] In this preferred embodiment, the charger insulation structure adopts a design of a flip cover 30 and a pusher 31. After the battery is loaded into the charger, if charging is required in low temperature weather, the flip cover 30 is buckled, and the pusher 31 is buckled with the middle frame 20. The pusher 31 is equipped with a spring 38. If you want to open the flip cover 30, you can push the protrusion 33 by hand to move the pusher 31 to open it.

[0032] In summary, the battery charger of the utility model is designed with a battery heat preservation structure adopting a flip cover and a push engine; the battery is convenient to load and charge, and to take out when fully charged. At the same time, when charging in low temperature weather, the flip cover can be used to cover the battery to keep it warm.

[0033] As described above, for ordinary technicians in this field, various other corresponding changes and modifications can be made according to the technical scheme and technical concept of the utility model, and all these changes and modifications should fall within the protection scope of the claims attached to the utility model.

Claims

1. A battery charger, comprising a lower cover (10), a middle frame (20) and a charging circuit, wherein the lower cover (10) is mounted below the middle frame (20) to cooperate with the middle frame (20) to enclose the charging circuit installed therebetween, and the upper surface of the middle frame (20) is provided with a downward depression to form a battery compartment (21) for accommodating a battery to be charged, characterized in that: It also includes a flip cover (30) disposed above the middle frame (20) and capable of being flipped and buckled onto the battery compartment (21); the rotating shaft side of the flip cover (30) is pivotally disposed on the upper edge of the middle frame (20); the flip cover (30) is provided with a pusher (31) exposed on the upper surface of the flip cover (30) and capable of being pushed and translated along the upper surface of the flip cover (30) toward the upper edge of the middle frame (20); the pusher (31) is provided with a first buckle position (32) facing the upper edge of the middle frame (20) along the translation direction; the upper edge of the middle frame (20) is provided with a second buckle position (22) aligned with the first buckle position (32); when the flip cover (30) is buckled onto the battery compartment (21), the first buckle position (32) can be aligned and buckled with the second buckle position (22) by pushing the pusher (31) toward the upper edge of the middle frame (20).

2. The battery charger according to claim 1, wherein: The flip cover (30) comprises a plastic cover (34) as the top of the flip cover (30) and a metal plate (35) mounted below the plastic cover (34) as the bottom of the flip cover (30); when the flip cover (30) is buckled onto the battery compartment (21), the metal plate (35) covers the top of the battery compartment (21).

3. The battery charger according to claim 2, wherein: The pusher (31) is disposed between the plastic cover (34) and the metal plate (35), and the pusher (31) comprises a protrusion (33) exposed on the upper surface of the plastic cover (34) for pushing.

4. The battery charger according to claim 3, wherein: The push engine (31) further comprises a sliding block (36) for translating along the lower surface of the plastic cover (34).

5. The battery charger according to claim 4, wherein: The lower surface of the plastic cover (34) is provided with a sliding groove (37) for the sliding block (36) to move horizontally.

6. The battery charger according to claim 5, wherein: The lower surface of the plastic cover (34) is also provided with a spring sheet (38) in the translation direction of the slider (36) to serve as a stop structure for the pusher (31).

7. The battery charger according to claim 2, wherein: The metal plate (35) is provided with a notch (39) to allow the first buckle position (32) of the pusher (31) to be exposed from the metal plate (35).

8. The battery charger according to claim 2, wherein: The metal plate (35) is an aluminum plate.

9. The battery charger according to claim 2, wherein: A shaft seat (40) is provided on the side edge of the plastic cover (34).

10. The battery charger according to claim 9, wherein: An axle tube (41) is provided at the upper edge of the middle frame (20), and the rotating shaft side of the flip cover (30) is pivotally arranged at the upper edge of the middle frame (20) by means of a rotating shaft (42) installed between the axle seat (40) and the axle tube (41).

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