Hidden battery assembly of electric bicycle

Abstract

The utility model relates to a hidden battery assembly of an electric bicycle, belongs to the technical field of electric bicycle equipment, and aims to solve the problem that the appearance aesthetic feeling and the waterproof performance of a battery are influenced due to the fact that a gap is reserved on a tube body of a lower tube of the conventional battery assembly of the electric bicycle. The electric bicycle battery comprises a battery element and a lower tube, the lower tube is of a hollow structure with two open ends, and the two ends of the lower tube are fixedly connected to an electric bicycle frame; the tube body of the lower tube is provided with a containing cavity with one side end face being an opening; a battery mounting groove is formed in the accommodating cavity and is used for mounting a battery; and a cover plate covers the opening of the accommodating cavity, so that the accommodating cavity forms a closed battery accommodating cavity. The opening is formed in the pipe body of the lower pipe, the battery pack is placed in the containing cavity, and the cover plate is arranged at the opening, so that no gap is formed in the end faces of the two sides of the lower pipe, the appearance attractiveness of the whole vehicle is improved, the good waterproof performance is achieved, and the service life of the battery pack is prolonged.

Description

Technical Field

[0001] The utility model relates to a hidden battery assembly of an electric bicycle, belonging to the technical field of electric bicycle equipment. Background Art

[0002] An electric bicycle is a vehicle that uses a battery as an auxiliary energy source and is based on an ordinary bicycle and is equipped with a motor, controller, battery, handlebar, brake handle and other operating components and a display instrument system.

[0003] In the prior art, in order to increase the size and reduce the weight of electric bicycles to improve their endurance, the integration of electric bicycle components has been greatly improved compared to before. Installing battery energy sources into the vehicle body to save vehicle body space has become a more common technical means. The battery pack of existing electric bicycles is assembled on the bicycle downtube and rear clothes hanger. The battery pack installed on the downtube is divided into two types: top-opening type and bottom-opening type according to the way the battery pack is taken out. That is, taking the battery out from the upper opening of the downtube is called top-opening type, and taking the battery out from the lower opening of the downtube is called bottom-opening type. The battery pack is taken out for charging and discharging of the bicycle.

[0004] Regardless of whether the battery pack is accessed from the top or bottom, a gap remains between at least one of the openings on either side of the lower tube and the vehicle body, which compromises the aesthetics and water resistance of the tube. Therefore, a battery assembly for an electric bicycle is needed to address the issues with existing electric bicycle battery assemblies, which suffer from gaps in the lower tube, impacting both the aesthetics and water resistance of the battery. Utility Model Content

[0005] The purpose of the present utility model is to provide a hidden battery assembly for an electric bicycle to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hidden battery assembly for an electric bicycle, comprising a battery element and a downtube, wherein the downtube is open at both ends and has a hollow structure inside, and is fixedly connected to the electric bicycle frame at both ends; the downtube has a container cavity with an open end face on one side; a battery mounting groove is provided in the container cavity for mounting a battery; a cover plate is provided on the open portion of the container cavity, thereby forming the container cavity into a sealed battery placement cavity.

[0007] Specifically, an open container cavity is provided on the end surface of the lower tube located on one side of the bottom.

[0008] Specifically, the battery installation slot includes a discharge base and a lock base; the discharge base and the lock base are installed relative to each other in the container cavity, and a battery installation cavity is formed therebetween.

[0009] Specifically, the cross-sectional shapes of the discharge base and the lock base are adapted to the cross-sectional shape of the lower tube; the discharge base is provided with a discharge plug electrically connected to the battery; the lock base is provided with a battery lock to restrict the battery from moving in a direction away from the battery mounting slot.

[0010] Specifically, the key opening on the lock body of the battery lock faces the opening of the storage cavity, and a lock buckle is provided at one end. A lock buckle groove is provided on the battery at a position corresponding to the lock buckle, and the battery lock locks the battery by the lock buckle being pressed into the lock buckle groove.

[0011] Specifically, a charging assembly is provided at a position of the lower tube body corresponding to the lock base. One end of the charging assembly is provided with an external charging port, and the other end is connected to the electric bicycle controller, and the charging port is provided with a decorative cover.

[0012] Specifically, one end of the cover is provided with several limiting protrusions, and a limiting groove is opened on the lower tube at a position corresponding to the limiting protrusion; the cover is installed in the limiting groove through the limiting protrusion, and the other end away from the limiting protrusion is covered with the opening of the container cavity through a snap fastener.

[0013] Specifically, the fastener includes a mounting plate and a fastener; the mounting plate is fixedly mounted on the side of the cover plate facing the storage cavity, and a sliding groove is provided on the plate body; the fastener is slidably mounted in the sliding groove, and one end thereof extends outward in a horizontal direction to form a fastener end; the cover plate covers the opening of the storage cavity, and slides along the sliding groove through the fastener, driving the fastener end to stop at the inner wall of the lower tube and be connected to the lower tube fastener.

[0014] Specifically, one side block of the buckle protrudes outward to form an operating part for operating the buckle to slide along the slide groove, and two slots are provided on the other side block at intervals; a card block is provided on the mounting plate between the two slots; when the buckle slides along the slide groove, the card block abuts against the slot to form a buckle locking position and a buckle releasing position, and the block of the buckle located at the operating part is provided with an identification representing the locking and releasing states.

[0015] Specifically, the end surface of the lower tube located on one side of the bottom is a planar structure.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This application features an opening on the bottom end of the downtube to form a storage cavity. The cavity contains a battery mounting slot for accommodating the batteries. A cover is also provided on the open end of the downtube, forming a sealed battery storage cavity. This ensures that neither side of the downtube has gaps, improving the overall vehicle's aesthetics, ensuring excellent waterproofing, and extending the battery life.

[0018] 2. Building on the above, the battery mounting slot of the present application includes a discharge base and a lock base, which are arranged relative to each other within the container, forming a battery placement cavity between them. Furthermore, a battery lock is provided on the lock base, which effectively secures the battery pack and prevents damage due to shaking during use. The battery lock also enhances the battery's theft resistance. The provision of the battery mounting slot of the present application enhances the stability of battery installation and also makes the battery assembly compact and highly integrated.

[0019] 3. Building on the above, the end surface of the lower tube at the bottom is designed as a flat structure, and the cover is secured to the opening of the storage chamber via snaps. This allows for quick opening of the cover when removing and placing the battery, making operation convenient. The flat design of the lower tube's bottom panel ensures that no gap is visible when viewing the vehicle from either side or from above. The seam between the cover and the tube is only visible from the difficult-to-observe angle at the bottom of the lower tube, improving the vehicle's aesthetics while also enhancing battery protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of the battery assembly of the hidden electric bicycle of this embodiment (1);

[0021] Figure 2 This is a schematic structural diagram of the battery assembly of the hidden electric bicycle of this embodiment (2);

[0022] Figure 3 A schematic structural diagram of a battery element and a battery mounting slot of a battery assembly of a concealed electric bicycle according to this embodiment (1);

[0023] Figure 4 A schematic structural diagram of the battery element and battery mounting slot of the battery assembly of the hidden electric bicycle of this embodiment (2);

[0024] Figure 5 This is a front view of the structure of the fastener of the battery assembly of the hidden electric bicycle of this embodiment;

[0025] Figure 6 This is a rear view of the structure of the fastener of the battery assembly of the concealed electric bicycle of this embodiment. DETAILED DESCRIPTION

[0026] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is described in detail below with reference to the following embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention and does not strictly limit the scope of protection of the present invention.

[0027] See also Figures 1-6This embodiment discloses a hidden battery assembly for an electric bicycle, including a battery element 1 and a downtube 2. The downtube is open at both ends and has a hollow structure inside. The downtube 2 is fixedly connected to the electric bicycle frame at both ends. The downtube body has a container cavity with an open end face on one side. A battery mounting slot is provided in the container cavity for mounting a battery. A cover plate 3 is covered on the open end of the container cavity, forming the container cavity into a sealed battery placement cavity.

[0028] In this embodiment, an open container cavity is provided on the end surface of the lower tube located at one side of the bottom, and the end surface of the lower tube located at one side of the bottom is a planar structure.

[0029] The battery mounting slot of this embodiment includes a discharge base 4 and a lock base 5. The discharge base and the lock base are mounted relative to each other within the storage cavity, forming a battery mounting cavity between them. The cross-sectional shapes of the discharge base 4 and the lock base 5 are adapted to the cross-sectional shape of the lower tube. The discharge base is provided with a discharge plug electrically connected to the battery. The lock base is provided with a battery lock 6 to restrict the battery from moving away from the battery mounting slot. The key opening on the lock body of the battery lock of this embodiment faces the opening of the storage cavity, and a lock catch is provided at one end. A lock catch groove is provided on the battery at a position corresponding to the lock catch, and the battery lock locks the battery by abutting against the lock catch groove. Furthermore, a charging assembly is provided on the lower tube of this embodiment at a position corresponding to the lock base. One end of the charging assembly is provided with an externally exposed charging port, and the other end is connected to the electric bicycle controller. The charging port is provided with a decorative cover 8.

[0030] One end of the cover plate 3 of this embodiment is provided with two limiting protrusions, and a limiting groove is provided on the lower tube at a position corresponding to the limiting protrusions; the cover plate is installed in the limiting groove through the limiting protrusions, and the other end away from the limiting protrusions is covered with the opening of the container cavity through the snap fastener 9.

[0031] The snap fastener 9 of this embodiment includes a mounting plate 10 and a snap fastener 11; the mounting plate is fixedly mounted on the side of the cover plate facing the container cavity, and a slide groove is provided on the plate body; the snap fastener is slidably mounted in the slide groove, and one end thereof extends outward in a horizontal direction to form a snap fastener end; the cover plate covers the opening of the container cavity, and slides along the slide groove through the snap fastener, driving the snap fastener end to stop at the inner wall of the lower tube, and is snap-connected with the lower tube.

[0032] Furthermore, one side block of the buckle protrudes outward to form an operating part 110 for operating the buckle to slide along the slide groove, and two slots 111 are provided on the other side block at intervals; a card block 112 is provided on the mounting plate between the two slots; when the buckle slides along the slide groove, the card block abuts against the slot to form a buckle locking position and a buckle releasing position, and the block of the buckle located at the operating part is provided with English word labels representing the locking and releasing states, and the English words are OPEN and LOCK.

[0033] Working Principle: To use the hidden battery pack of this embodiment of an electric bicycle, first secure the charging assembly, discharge base, and lock base within the downtube, leaving a battery mounting slot suitable for the battery pack's dimensions between the discharge base and the lock base. Connect one end of the discharge plug on the discharge base to the electric bicycle's wiring harness. Next, place the battery pack directly into the battery mounting slot. To do so, electrically connect the battery pack and the discharge plug, then lock the battery lock on the lock base to secure the battery pack. This completely sinks the battery pack into the downtube, leaving no gaps.

[0034] Finally, snap the cover over the opening on the bottom side of the downtube and quickly connect it to the tube body using the snap fasteners. This completes the battery pack installation. Users can charge the battery directly through the exposed charging port without removing the battery pack. To access the battery pack, simply remove the cover, unlock the battery with the key, and remove it directly from the downtube for easy access.

[0035] The above describes the implementation methods of the present invention in detail in conjunction with the embodiments, but the present invention is not limited to the above implementation methods. For ordinary technicians in this technical field, after knowing the contents recorded in the present invention, they can make several equivalent changes and substitutions without departing from the principles of the present invention. These equivalent changes and substitutions should also be regarded as belonging to the scope of protection of the present invention.

Claims

1. A battery assembly for a concealed electric bicycle, comprising a battery element and a down tube, characterized in that: The lower tube is open at both ends and has a hollow structure inside. The lower tube is fixedly connected to the electric bicycle frame at both ends. The tube body of the lower tube has a storage cavity with an open end face on one side. A battery mounting groove is provided in the storage cavity for installing a battery. The open end of the storage cavity is covered with a cover plate, forming the storage cavity into a closed battery placement cavity.

2. A hidden battery assembly for an electric bicycle according to claim 1, characterized in that: An open container cavity is provided on the end surface of the lower tube located on one side of the bottom.

3. The battery assembly of a hidden electric bicycle according to claim 1, characterized in that: The battery installation slot includes a discharge base and a lock base; the discharge base and the lock base are relatively installed in the container cavity, and a battery installation cavity is formed between the two.

4. A hidden battery assembly for an electric bicycle according to claim 3, characterized in that: The cross-sectional shapes of the discharge base and the lock base are adapted to the cross-sectional shape of the lower tube; the discharge base is provided with a discharge plug, which is electrically connected to the battery; the lock base is provided with a battery lock to limit the movement of the battery in a direction away from the battery installation slot.

5. A hidden battery assembly for an electric bicycle according to claim 4, characterized in that: The key opening on the lock body of the battery lock faces the opening of the storage cavity, and a lock buckle is provided at one end. A lock buckle groove is provided on the battery at a position corresponding to the lock buckle, and the battery lock is locked in the lock buckle groove by the lock buckle.

6. The battery assembly of a concealed electric bicycle according to claim 3, characterized in that: A charging assembly is provided at a position of the lower tube body corresponding to the lock base. One end of the charging assembly is provided with an external charging port, and the other end is connected to the electric bicycle controller, and the charging port is provided with a decorative cover.

7. The battery assembly of a concealed electric bicycle according to claim 1, characterized in that: One end of the cover plate is provided with a plurality of limiting protrusions, and a limiting groove is provided on the lower tube at a position corresponding to the limiting protrusion; the cover plate is installed in the limiting groove through the limiting protrusion, and the other end away from the limiting protrusion is covered with the opening of the container cavity through a snap fastener.

8. The battery assembly of a concealed electric bicycle according to claim 7, characterized in that: The fastener includes a mounting plate and a fastener; the mounting plate is fixedly mounted on the side of the cover plate facing the container cavity, and a slide groove is provided on the plate body; the fastener is slidably mounted in the slide groove, and one end thereof extends outward in a horizontal direction to form a fastener end; the cover plate covers the opening of the container cavity, and slides along the slide groove through the fastener, driving the fastener end to stop at the inner wall of the lower tube and be connected to the lower tube buckle.

9. A hidden battery assembly for an electric bicycle according to claim 8, characterized in that: One side block of the buckle protrudes outward to form an operating part for operating the buckle to slide along the slide groove, and two slots are provided at intervals on the other side block; a clamping block is provided on the mounting plate between the two slots; when the buckle slides along the slide groove, the clamping block abuts against the slot to form a buckle locking position and a buckle releasing position, and the block of the buckle located at the operating part is provided with an identification representing the locking and releasing states.

10. The battery assembly of a concealed electric bicycle according to claim 2, characterized in that: The end surface of the lower tube located on one side of the bottom is a planar structure.

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