Battery box and electrically assisted bicycle

Abstract

The utility model relates to electric power-assisted bicycle technical field especially, a kind of battery box and electric power-assisted bicycle.The battery box of the utility model, including box cover and battery compartment, box cover includes: slider, first magnetic part, slider has first accommodating space, and first accommodating space is used to accommodate the at least part of first magnetic part;Battery compartment includes locking piece, second magnetic part, locking piece has second accommodating space, and second accommodating space is used to accommodate the at least part of second magnetic part;Wherein, the shape of slider and locking piece is matched, the magnetism of first magnetic part and second magnetic part is attracted, so that slider and locking piece are abutted.The battery box and electric power-assisted bicycle of the utility model, when box cover is close to battery compartment, automatically locks, easy to operate, greatly improve the comfort of user use.

Description

Technical Field

[0001] This utility model relates to the field of electric-assisted bicycle technology, and in particular to a battery box and an electric-assisted bicycle. Background Technology

[0002] Electric-assisted bicycles are bicycles that use batteries as an auxiliary power source. The batteries are typically housed in a battery box mounted on the frame. Currently, most battery boxes use a snap-fit ​​installation method between the cover and the battery compartment. On one hand, this snap-fit ​​method wears down after repeated disassembly and reassembly, leading to loosening and damage of the cover, resulting in a shorter battery box lifespan. On the other hand, closing the cover requires aligning one end of the cover's long axis with the limiting groove in the battery compartment, flipping it over, and finally pushing the latch down, which is cumbersome and inconvenient for users. Utility Model Content

[0003] This utility model addresses the shortcomings of existing technologies by providing a battery box and an electric-assist bicycle. When the box cover approaches the battery compartment, it automatically locks, making operation simple and greatly improving user comfort.

[0004] Therefore, the primary objective of this utility model is to provide a battery box.

[0005] The second objective of this invention is to provide an electric-assisted bicycle.

[0006] To achieve the first objective of this utility model, the technical solution of this utility model provides a battery box, including a cover and a battery compartment. The cover includes a sliding member and a first magnetic member. The sliding member has a first receiving space for accommodating at least a portion of the first magnetic member. The battery compartment includes a locking member and a second magnetic member. The locking member has a second receiving space for accommodating at least a portion of the second magnetic member. The sliding member and the locking member are shaped to match each other, and the first magnetic member and the second magnetic member are magnetically attracted to each other, causing the sliding member and the locking member to abut against each other.

[0007] In one technical solution of this utility model, the box cover further includes: a guide member and a third magnetic member. The guide member has a third receiving space for accommodating at least a portion of the third magnetic member. The magnetic properties of the third magnetic member and the first magnetic member are repelled, so that the sliding member can slide along the guide member in a direction away from the locking member.

[0008] In one technical solution of this utility model, the magnetic force generated by the second magnetic component is greater than the magnetic force generated by the third magnetic component.

[0009] In one technical solution of this utility model, the sliding body protrudes towards the side near the box cover to form an operating protrusion; the box cover is provided with an operating window for the operating protrusion to extend out.

[0010] In one technical solution of this utility model, the side of the operation window away from the battery compartment has a smooth transition.

[0011] In one technical solution of this utility model, the cover further includes: a fixing part and a fourth magnetic element. The fixing part is located at the end away from the sliding element and has a fourth accommodating space for accommodating at least a portion of the fourth magnetic element. The battery compartment includes a fifth magnetic element, and the fifth magnetic element and the fourth magnetic element are attracted to each other by magnetism.

[0012] In one technical solution of this utility model, the battery compartment also includes a locking block, which matches the shape of the fixing part to form a latch.

[0013] In one technical solution of this utility model, the card block is connected to the body of the battery compartment through an elastic element.

[0014] In one technical solution of this utility model, the side of the card block near the box cover is a guide slope.

[0015] To achieve the second objective of this utility model, the technical solution of this utility model provides an electric-assisted bicycle, which includes: a battery box and a battery according to any of the above technical solutions, with the battery placed in the battery box; wherein the battery includes a fall arrestor, and the fall arrestor and the locking member are shaped to form a lock.

[0016] The technical solution provided by this utility model can achieve at least one of the following effects: (1) The battery box is locked by a magnetic component driving the sliding component. The box cover locks itself when it is close to the battery compartment. The operation is simple and foolproof, improving the user's comfort. (2) The battery box adopts a sliding contact locking method, which improves the service life of the battery box, makes the structure more stable, and reduces the risk of the box cover falling off. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the accompanying drawings are only some embodiments of this utility model. For those skilled in the art, other embodiments and their accompanying drawings can be obtained from the embodiments shown in these drawings without creative effort.

[0018] Figure 1 This is one of the structural schematic diagrams of the battery box of this utility model; Figure 2 This is the second structural schematic diagram of the battery box of this utility model; Figure 3This is a cross-sectional view of the second schematic diagram of the battery box structure of this utility model; Figure 4 This is an enlarged view of section A in the second sectional view of the battery box structure of this utility model; Figure 5 This is a front view of the box lid of this utility model; Figure 6 This is a rear view of the box lid of this utility model; Figure 7 This is one of the structural schematic diagrams of the box lid of this utility model; Figure 8 This is the second structural schematic diagram of the box lid of this utility model; Figure 9 This is the third structural schematic diagram of the box lid of this utility model; Figure 10 This is one of the structural schematic diagrams of the battery compartment of this utility model; Figure 11 This is a cross-sectional view of one of the schematic diagrams of the battery compartment structure of this utility model; Figure 12 This is one of the structural schematic diagrams of the battery of this utility model; Figure 13 This is the second structural schematic diagram of the battery of this utility model; Explanation of reference numerals in the attached figures: 100. Cover; 110. Sliding element; 110a. First receiving space; 111. Operating protrusion; 120. First magnetic element; 130. Guide element; 130a. Third receiving space; 140. Third magnetic element; 150. Fixing part; 150a. Fourth receiving space; 160. Fourth magnetic element; 170. Operating window; 200. Battery compartment; 210. Locking element; 210a. Second receiving space; 220. Second magnetic element; 230. Fifth magnetic element; 240. Locking block; 250. Elastic element; 300. Battery; 310. Anti-fall lock; 311. Spring. Detailed Implementation

[0019] The technical solutions of various embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] Furthermore, it should be understood in the description of this utility model that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0022] In this invention, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "implementation," "example," "aspect," or "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0023] In e-bikes, the battery is housed in a battery box mounted on the frame, or the battery box is integrated into the frame. Most battery boxes on the market use a snap-on fastener system for the cover and battery compartment, which is prone to failure. This is especially problematic for customers who like to pry open the cover for tactile feedback, resulting in a shorter lifespan. Furthermore, securing the cover is cumbersome. When the battery box is integrated into the frame, if the snap-on mechanism fails, the entire frame needs to be replaced, leading to high maintenance costs.

[0024] The following reference Figures 1 to 13 The technical solutions of some embodiments of this utility model are described below.

[0025] An embodiment of this utility model provides a battery box, see reference. Figures 1 to 4As shown, the device includes a cover 100 and a battery compartment 200. The cover 100 includes a slider 110 and a first magnetic element 120. The slider 110 has a first receiving space 110a for receiving at least a portion of the first magnetic element 120. The battery compartment 200 includes a locking element 210 and a second magnetic element 220. The locking element 210 has a second receiving space 210a for receiving at least a portion of the second magnetic element 220. The slider 110 and the locking element 210 are shaped to match each other, and the first magnetic element 120 and the second magnetic element 220 are magnetically attracted to each other, causing the slider 110 to abut against the locking element 210.

[0026] The battery box employs a magnetically driven sliding member 110 that slides to engage with the locking member 210, eliminating the need for a snap-fit ​​structure that relies on plastic deformation and fundamentally eliminating sources of fatigue damage. Traditional methods require precise alignment, flipping, and pressing, demanding user attention. This solution, leveraging the spatial guiding characteristics of the first magnetic member 120 and the second magnetic member 220, allows the user to simply place the cover 100 close to the battery compartment 200; the magnetic field automatically pulls the sliding member 110 into the locking position of the locking member 210. Single-handed operation is effortless, especially suitable for cycling gloves or damp environments. This addresses the need for user attention, reduces the rate of misoperation, effectively improves user comfort and convenience, and prevents mistaken identification. The sliding member 110 and the locking member 210 have internal storage spaces for the first magnetic member 120 and the second magnetic member 220, effectively preventing them from loosening due to vibration during vehicle bumps and avoiding the cover 100 falling off. The sliding member 110 and the locking member 210 adopt a surface contact abutment movement, which is convenient to adapt to battery modules of different capacities and reserves space for product line iteration.

[0027] In some embodiments of this application, reference is made to Figures 5 to 8 As shown, the cover 100 also includes a guide 130 and a third magnetic element 140. The guide 130 has a third receiving space 130a for receiving at least a portion of the third magnetic element 140. The third magnetic element 140 is magnetically repelled by the first magnetic element 120 so that the slider 110 can slide along the guide 130 in a direction away from the locking element 210.

[0028] The guide 130 not only restricts the freedom of movement of the slider 110, but also strictly limits its displacement direction to linear sliding to avoid jamming caused by tilting. The positioning effect of the third receiving space 130a on the third magnetic component 140 ensures that the repulsive force always acts on the axis of the slider, reducing the risk of failure due to misalignment. The magnetic poles of the third magnetic component 140 and the first magnetic component 120 repel each other. When the cover 100 is alone, the repulsive force drives the slider 110 to move along the guide 130 to the initial position, so that when the user brings the cover 100 close to the battery compartment 200, the slider 110 slides from the initial position to the locking position of the locking component 210, realizing the automatic reset of the cover 100 in the independent state, so that the cover 100 is always in the "ready to connect" state.

[0029] In some embodiments of this application, the magnetic force generated by the second magnetic element 220 is greater than the magnetic force generated by the third magnetic element 140.

[0030] For example, the volume of the second magnetic element 220 is larger than that of the third magnetic element 140.

[0031] For example, when the cover 100 and the battery compartment 200 are closed, the distance between the second magnetic element 220 and the first magnetic element 120 is less than the distance between the third magnetic element and the first magnetic element 120.

[0032] For example, the second magnetic element 220 and the third magnetic element 140 are made of different materials.

[0033] When the lid 100 is in an independent state, the magnetic poles of the third magnetic element 140 and the first magnetic element 120 repel each other, driving the sliding element 110 to the initial position. When the lid 100 is close to the battery compartment 200, the attraction of the second magnetic element 220 to the first magnetic element 120 is greater than the repulsion of the third magnetic element to the first magnetic element 120, driving the sliding element 110 to slide along the guide 130 toward the locking element 210 until the sliding element 110 abuts against the locking element 210, completing the closure of the lid 100 and the battery compartment 200.

[0034] In some embodiments of this application, reference is made to Figures 7 to 8 As shown, the body of the slider 110 protrudes towards the side near the cover 100 to form an operating protrusion 111; the cover 100 is provided with an operating window 170, which allows the operating protrusion 111 to extend out.

[0035] The user is naturally guided through the operation window 170 to apply force to the operation bump 111 to drive the slider 110 to slide along the guide 130 away from the locking position.

[0036] In some embodiments of this application, reference is made to Figure 5 and 7As shown, the side of the operation window 170 away from the battery compartment 200 has a smooth transition.

[0037] For example, the end of the protrusion 111 near the operation window 170 has a smooth transition.

[0038] The right-angled edges of traditional rectangular openings can easily scratch gloves or skin, and fabrics such as cycling clothes and backpack straps can easily be caught by sharp protrusions. The smooth surface of the operating window 170 eliminates such risks and makes it easy for users' fingers to reach the operating window 170 and touch the protrusion 111 through the smooth surface, creating a natural force path.

[0039] In some embodiments of this application, reference is made to Figures 5 to 9 As shown, the cover 100 also includes: a fixing part 150 and a fourth magnetic element 160. The fixing part 150 is located at one end away from the sliding member 110. The fixing part 150 has a fourth receiving space 150a for receiving at least a portion of the fourth magnetic element 160. The battery compartment 200 includes a fifth magnetic element 230, which is magnetically attracted to the fourth magnetic element 160.

[0040] The lid 100 is locked by multi-dimensional magnetic cooperation. The sliding member 110 and the locking member 210 constitute the first locking mechanism, and the fourth magnetic member 160 and the fifth magnetic member 230 constitute the second locking mechanism, which can keep the lid closed and further reduce the risk of the lid 100 falling off.

[0041] In some embodiments of this application, reference is made to Figures 10 to 11 As shown, the battery compartment 200 also includes a locking block 240, which is matched with the shape of the fixing part 150 to form a latch.

[0042] With a double safety mechanism of magnetic and mechanical force, the fixing part 150 and the locking block 240 further prevent the lid 100 from falling off. The "click" sound when the locking block 240 is inserted provides auditory feedback.

[0043] In some embodiments of this application, reference is made to Figure 11 As shown, the card block 240 is connected to the body of the battery compartment 200 via the elastic element 250.

[0044] For example, the locking block 240 is sleeved on the elastic member 250, and the locking block 240 and the elastic member 250 are in the limiting groove, which restricts the locking block 240 from extending or retracting along the axial direction of the battery compartment 200.

[0045] The elastic element 250 provides preload to the locking block 240, further reducing the risk of the cover 100 falling off when the vehicle is bumpy. Furthermore, when the locking block 240 engages with the fixing part 150, it reduces the deformation of the locking block 240, increasing its service life.

[0046] In some embodiments of this application, reference is made to Figure 11 As shown, the side of the card block 240 near the cover 100 is a guide slope.

[0047] The guide ramp of the 240 block forms a wedge-shaped entrance, gradually guiding the lid 100 to snap into place; the foolproof design ensures that if the user does not align it completely, the ramp will generate a radial force to push the lid 100 to adjust to the optimal position, rather than forcibly squeezing it and causing the mechanism to jam.

[0048] An embodiment of this utility model provides an electric-assisted bicycle, referring to... Figure 1 , Figure 4 , Figure 12 and Figure 13 As shown, the electric-assisted bicycle includes: a battery box and a battery 300 according to any of the above embodiments, wherein the battery 300 is placed in the battery box; wherein the battery 300 includes a fall arrestor 310, and the fall arrestor 310 and the locking member 210 are shaped to form a lock.

[0049] For example, the fall arrestor 310 is connected to the body of the battery 300 via a spring 311. When the battery is placed in the battery compartment, the fall arrestor 310 is pressed to abut against the locking member 210.

[0050] Reference Figure 4 As shown, the anti-fall lock 310 and the sliding member 110 share a locking position, which simplifies the battery box structure and makes full and reasonable use of space.

[0051] The electric-assisted bicycle of this utility model includes the battery box of any embodiment of this utility model, and thus has all the beneficial effects of the seat post battery box of any embodiment of this utility model, which will not be repeated here.

[0052] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and not restrictive in all respects. The scope of this invention is defined by the appended claims, not by the foregoing description, and is therefore intended to encompass all variations falling within the meaning and scope of equivalents of the claims. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0053] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A battery case, comprising a cover (100) and a battery compartment (200), characterized in that, The lid (100) includes: a slider (110) and a first magnetic element (120), the slider (110) having a first receiving space (110a) for receiving at least a portion of the first magnetic element (120); The battery compartment (200) includes a locking member (210) and a second magnetic member (220). The locking member (210) has a second receiving space (210a) for receiving at least a portion of the second magnetic member (220). The sliding member (110) and the locking member (210) are shaped to match each other, and the first magnetic member (120) and the second magnetic member (220) are attracted by magnetism, so that the sliding member (110) and the locking member (210) abut against each other.

2. The battery box according to claim 1, characterized in that, The cover (100) further includes: a guide (130) and a third magnetic element (140), the guide (130) having a third receiving space (130a) for receiving at least a portion of the third magnetic element (140), the third magnetic element (140) being magnetically repelled by the first magnetic element (120) so that the slider (110) slides along the guide (130) in a direction away from the locking element (210).

3. The battery pack of claim 2, wherein, The magnetic force generated by the second magnetic element (220) is greater than the magnetic force generated by the third magnetic element (140).

4. The battery pack of claim 1, wherein, The body of the slider (110) protrudes towards the side close to the box cover (100) to form an operating protrusion (111). The cover (100) is provided with an operation window (170) for the operation protrusion (111) to extend out.

5. The battery pack of claim 4, wherein, The side of the operation window (170) away from the battery compartment (200) has a smooth transition.

6. The battery pack of claim 1, wherein, The box cover (100) further includes: a fixing part (150) and a fourth magnetic element (160). The fixing part (150) is located at one end away from the sliding element (110). The fixing part (150) has a fourth receiving space (150a) for receiving at least a portion of the fourth magnetic element (160). The battery compartment (200) includes a fifth magnetic element (230), which is magnetically attracted to the fourth magnetic element (160).

7. The battery pack of claim 6, wherein, The battery compartment (200) also includes a latch (240), which is shaped to fit the fixing part (150) to form a lock.

8. The battery pack of claim 7, wherein, The card block (240) is connected to the body of the battery compartment (200) via an elastic element (250).

9. The battery pack of claim 7, wherein, The side of the card block (240) near the cover (100) is a guide slope.

10. An electrically assisted bicycle, characterised in that The electric-assisted bicycle includes: The battery case and battery (300) as described in any one of claims 1-9, wherein the battery (300) is placed in the battery case; The battery (300) comprises a fall-preventing lock (310) which cooperates with the shape of the locking member (210) to form a lock.

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