Battery box of electric bicycle

Abstract

The utility model discloses a battery box, and particularly relates to a battery box of an electric bicycle. Comprising an aluminum barrel, a front cover is arranged on one side of the aluminum barrel, a rear cover is arranged on the other side of the aluminum barrel, a plurality of bosses are arranged on the rear cover at intervals around the center of the rear cover, waterproof grooves are formed in the front cover and the rear cover, and the aluminum barrel is sealed through waterproof wires clamped in the waterproof grooves. And the plurality of bosses are consistent in height and protrude outwards on the rear cover, so that the abrasion of the rear cover is reduced. The front cover and the rear cover of the battery box are made of an integrated aluminum alloy material, so that the overall strength of a product is improved, the short-circuit battery box is prevented from being on fire, the box body is provided with a plurality of positioning grooves to prevent the battery box from shaking in the use process, and the joints of the front cover and the rear cover of the battery box and the box body are provided with waterproof grooves to prevent water from permeating into the battery box in rainy days or wading. And even the discharge seat is also provided with a waterproof groove, and a waterproof wire is installed in the waterproof groove, so that the battery box is further sealed and prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the field of battery boxes, in particular to a battery box for an electric bicycle. Background Art

[0002] Electric bicycles are a type of transportation that uses electricity as its main power source. They are widely seen in the streets and alleys because of their convenience, speed and environmental protection. The main parts of an electric bicycle are the frame, front fork, rims, handlebars and saddles. Traditionally, these parts are made of steel, but some high-end electric bicycles are beginning to use aluminum alloy materials.

[0003] During the use of electric bicycles, the circuit plug points should be checked frequently to prevent sparks and heat caused by loose contact, and to avoid circuit short circuits and series current accidents. In rainy days or when wading, water will seep into the battery box along the gap between the battery and the battery box. In severe cases, water may enter the charging seat. If the gap between the box cover and the battery box is small, rainwater will enter the battery box due to the capillary action between the box cover and the battery box and evaporate in the battery box, causing the humidity in the battery box to increase, resulting in an electrochemical reaction at the connection between the charging seat and the discharge seat, accelerating the oxidation of the charging port and the discharge port, and causing premature damage to the battery. Utility Model Content

[0004] The utility model aims to provide an electric bicycle battery box, which solves the problem that the circuit plug-in points of the electric bicycle need to be checked frequently during use to prevent the contact points from sparking and heating due to loose contact, and to avoid the occurrence of line short circuit and series current accidents. In addition, when it rains or when wading, water will penetrate into the battery box along the gap between the battery and the battery box. In severe cases, water may enter the interior of the charging seat. If the gap between the box cover and the battery box is small, rainwater enters the battery box due to the capillary action between the box cover and the battery box and evaporates in the battery box, causing the humidity in the battery box to increase, resulting in an electrochemical reaction at the connection between the charging seat and the discharge seat, accelerating the oxidation of the charging port and the discharge port, and causing the battery to be damaged prematurely.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Provided is an electric bicycle battery box, comprising an aluminum barrel, wherein a front cover is arranged on one side of the aluminum barrel, a rear cover is arranged on the other side of the aluminum barrel, a plurality of bosses are arranged on the rear cover at intervals around the center of the rear cover, a waterproof groove is provided on the front cover and the rear cover, the aluminum barrel is sealed by a waterproof line clamped in the waterproof groove, and the plurality of bosses have the same height and all protrude outward on the rear cover.

[0007] As a preferred solution for an electric bicycle battery box, the front cover also includes a handle, a positioning groove is provided on the side of the front cover close to the handle, a charging seat is provided on the other side of the front cover, a front cover waterproof groove is provided on the side of the front cover close to the aluminum barrel, the front cover and the handle are cast as one piece, a plurality of square grooves are provided on the handle, the positioning groove is connected to the electric bicycle, and the waterproof line clamped in the waterproof groove of the front cover seals one end of the aluminum barrel.

[0008] As a preferred solution for an electric bicycle battery box, the rear cover includes a discharge seat, a rear cover waterproof groove is provided on the rear cover close to the aluminum barrel, an annular discharge seat waterproof groove is provided on the discharge seat, the waterproof wire clamped in the rear cover waterproof groove seals the other end of the aluminum barrel, and the waterproof wire clamped in the discharge seat waterproof groove seals the discharge seat.

[0009] As a preferred solution for an electric bicycle battery box, the aluminum barrel has symmetrically provided two sides with inwardly recessed semi-I-shaped slide grooves, the top of the aluminum barrel also has an inwardly recessed semi-I-shaped slide groove, and the bottom of the aluminum barrel has a guide groove.

[0010] As a preferred solution for an electric bicycle battery box, the back cover adopts a fool-proof design, positioning holes are provided between the plurality of bosses on the back cover, and both sides of the back cover are inclined surfaces inclined inwardly, the inclined surface on the side close to the handle is larger, and the inclined surface on the side away from the handle is smaller.

[0011] Beneficial effects of the utility model:

[0012] 1. The front and rear covers of the battery box are made of one-piece aluminum alloy, which increases the overall strength of the product and prevents short-circuit battery box fire. The box body has multiple positioning grooves to prevent the battery box from shaking during use.

[0013] 2. There are waterproof grooves at the connection between the front and rear covers of the battery box and the box body to prevent water from seeping into the battery box along the gap between the battery and the battery box when it rains or wades. There is even a waterproof groove on the discharge seat. By installing waterproof wire in the waterproof groove, the battery box is further sealed to avoid damage to the battery box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0015] Figure 1It is a schematic diagram of the overall structure of an electric bicycle battery box according to one embodiment of the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the front cover structure of the electric bicycle battery box according to one embodiment of the present invention.

[0017] Figure 3 The utility model is a schematic diagram of the rear cover structure of the electric bicycle battery box according to one embodiment of the present invention.

[0018] Figure 4 The utility model is a schematic diagram of the structure of the rear cover and boss portion of the electric bicycle battery box according to one embodiment of the present invention.

[0019] In the figure:

[0020] 1. Aluminum barrel; 2. Front cover; 21. Handle; 22. Positioning slot; 23. Charging seat; 24. Front cover waterproof slot; 3. Back cover; 31. Discharging seat; 32. Back cover waterproof slot; 33. Discharging seat waterproof slot; 4. Boss. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0022] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0023] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1 and Figure 3 As shown, the utility model provides a technical solution: an electric bicycle battery box, including an aluminum barrel 1, the left side of the aluminum barrel 1 is threadedly connected to the front cover 2 through threaded holes on four corners, and the right side of the aluminum barrel 1 is threadedly connected to the rear cover 3 through threaded holes on four corners, and a boss 4 is protruded outward at four corners of the rear end surface of the rear cover 3, and the four bosses 4 protrude outward at the same height to prevent the battery box from being unstable when it needs to be placed, the threaded holes on both sides of the aluminum barrel 1 correspond to each other one by one, and there is no need to find the screw hole positions again, which is convenient for the front cover 2 and the rear cover 3 to be quickly installed, and waterproof grooves are provided at the connection between the front cover 2 and the rear cover 3 and the aluminum barrel 1, and waterproof lines are installed in the waterproof grooves to prevent water from penetrating into the battery box from the gap between the front cover 2 and the rear cover 3 and the aluminum barrel 1, and the front cover 2 and the rear cover 3 are both made of aluminum alloy, which improves the product While ensuring strength, the heat generated by the battery box during use can be dissipated. Both sides of the aluminum barrel 1 are symmetrically provided with inwardly concave semi-I-shaped slide grooves. The top of the aluminum barrel 1 is also provided with two groups of inwardly concave semi-I-shaped slide grooves. The semi-I-shaped slide grooves reduce the weight of the aluminum barrel 1 and can also discharge the heat generated by the battery. A guide groove is provided at the bottom of the aluminum barrel 1 to facilitate quick insertion of the battery box. When it is needed, the front cover 2 and the rear cover 3 are tightened in sequence by screws, and the battery box can be placed in the electric bicycle. When the battery box needs to be taken out, the battery box is placed on the ground, and the four bosses 4 protruding outward on the rear cover 3 are in direct contact with the ground to prevent the rear cover 3 from being directly in contact with the ground and causing wear of the discharge seat 31, thereby affecting the service life of the battery box.

[0026] like Figure 2As shown, the front cover 2 also includes a handle 21, which is located above the front cover 2, and a positioning groove 22 is symmetrically provided below the handle 21 on the left side of the front cover 2 along its arc surface, a charging seat 23 is installed in the middle of the front end surface of the front cover 2, and an annular front cover waterproof groove 24 is provided at the position where the right end surface of the front cover 2 contacts the aluminum barrel 1, and a waterproof line is installed in the front cover waterproof groove 24, and the left side of the aluminum barrel 1 is sealed by the waterproof line installed in the front cover waterproof groove 24 to prevent water from seeping into the battery box along the gap between the front cover 2 and the aluminum barrel 1 during rainy days or wading, and even into the charging seat 23, so as to prevent water from entering the battery box due to the capillary action between the front cover 2 and the aluminum barrel 1 and volatilizing in the battery box, causing the humidity in the battery box to increase, causing an electrochemical reaction at the connection of the charging seat 23, accelerating the oxidation of the charging seat 23, and causing the battery to be damaged. The battery is damaged prematurely, the handle 21 is cast as one piece with the front cover 2, and twenty-one square grooves are spaced apart on the left end face of the handle 21, which increases the rigidity of the product while reducing the overall weight. Four through holes are opened on the front cover 2 corresponding to the threaded holes on the left side of the aluminum barrel 1; when installation is required, the waterproof wire card is connected to the waterproof groove 24 of the front cover, the positions of the aluminum barrel 1 and the front cover 2 are aligned, and a screw is screwed into each of the four through holes to fix the aluminum barrel 1 and the front cover 2 together to achieve the airtight connection between the aluminum barrel 1 and the front cover 2. At the same time, after the rear cover 3 is installed, it is engaged with the positioning boss on the lock seat of the electric bicycle through the positioning groove 22 to prevent the battery box from deviating from its position during installation. After the battery box is installed, it plays a positioning role to prevent the battery box from shaking left and right in the electric bicycle, resulting in poor line contact and affecting the driving experience.

[0027] like Figure 3 and Figure 4As shown, a discharge seat 31 is installed in the middle of the right end face of the rear cover 3, and an annular rear cover waterproof groove 32 is provided at the position where the left end face of the rear cover 3 contacts the aluminum barrel 1. A waterproof line is installed in the rear cover waterproof groove 32, and the left side of the aluminum barrel 1 is sealed by the waterproof line installed in the rear cover waterproof groove 32 to prevent water from penetrating into the aluminum barrel 1 along the gap between the rear cover 3 and the aluminum barrel 1. An annular discharge seat waterproof groove 33 is provided on the outer side of the right end face of the discharge seat 31, and a waterproof line is clamped in the discharge seat waterproof groove 33. When the discharge plug is inserted into the discharge seat 31, the discharge seat 31 is sealed by the waterproof line clamped in the discharge seat waterproof groove 33, and then the aluminum barrel 1 is further sealed, so as to prevent water from penetrating into the battery box along the gap between the rear cover 3 and the aluminum barrel 1 in rainy days or wading, and even entering the inside of the discharge seat 31, so as to avoid water from being caused by the rear cover 3. The capillary action between the aluminum barrel 1 and the aluminum barrel 1 enters the battery box and volatilizes in the battery box, causing the humidity in the battery box to increase, resulting in an electrochemical reaction at the connection of the discharge seat 31, accelerating the oxidation of the discharge seat 31, and causing premature damage to the battery. The upper and lower sides of the back cover 3 are inclined inwards, the upper side close to the handle 21 is large, and the lower side away from the handle 21 is small. The inclined surface design on both sides facilitates the battery box to be easily and quickly placed in the electric bicycle; when installation is required, the waterproof wire clip is connected to the waterproof groove 32 of the back cover, the positions of the aluminum barrel 1 and the back cover 3 are aligned, and a screw is screwed into each of the four through holes to fix the aluminum barrel 1 and the back cover 3 together, so as to achieve the sealing of the connection part between the aluminum barrel 1 and the back cover 3, and at the same time, the waterproof wire clip is connected to the waterproof groove 33 of the discharge seat to achieve the sealing of the discharge seat 31 and further sealing of the aluminum barrel 1.

[0028] Working principle: When it is needed to use and when it is needed to install, connect the waterproof wire card to the waterproof groove 24 of the front cover, align the position of the aluminum barrel 1 and the front cover 2, screw a screw in each of the four through holes to fix the aluminum barrel 1 and the front cover 2 together, and realize the airtightness of the connection part between the aluminum barrel 1 and the front cover 2. At the same time, connect the waterproof wire card to the waterproof groove 32 of the rear cover, align the position of the aluminum barrel 1 and the rear cover 3, screw a screw in each of the four through holes to fix the aluminum barrel 1 and the rear cover 3 together, and realize the airtightness of the connection part between the aluminum barrel 1 and the rear cover 3. At the same time, connect the waterproof wire card to the waterproof groove 33 of the discharge seat, and realize the discharge seat 3. 1 is sealed to further seal the aluminum barrel 1. After tightening the front cover 2 and the rear cover 3 in sequence with screws, the battery box can be put into the electric bicycle by observing the position of the handle 21. The positioning groove 22 is engaged with the positioning boss on the lock seat of the electric bicycle to prevent the battery box from deviating from the position during installation. The battery box is installed to prevent the battery box from shaking left and right. When the battery box needs to be taken out, the battery box is placed on the ground, and the four bosses 4 protruding outward on the rear cover 3 are in direct contact with the ground to prevent the rear cover 3 from directly contacting the ground and causing wear of the discharge seat 31, thereby affecting the service life of the battery box.

[0029] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. An electric bicycle battery box, characterized in that: The invention comprises an aluminum barrel (1), wherein a front cover (2) is arranged on one side of the aluminum barrel (1), and a rear cover (3) is arranged on the other side of the aluminum barrel (1). A plurality of bosses (4) are arranged on the rear cover (3) at intervals around the center of the rear cover (3). A waterproof groove is provided on both the front cover (2) and the rear cover (3), and the aluminum barrel (1) is sealed by a waterproof line clamped in the waterproof groove. The plurality of bosses (4) have the same height and protrude outward on the rear cover (3).

2. The electric bicycle battery box according to claim 1, characterized in that: The front cover (2) further comprises a handle (21); a positioning groove (22) is provided on one side of the front cover (2) close to the handle (21); a charging seat (23) is provided on the other side of the front cover (2); a front cover waterproof groove (24) is provided on one side of the front cover (2) close to the aluminum barrel (1); the front cover (2) and the handle (21) are integrally cast; a plurality of square grooves are provided on the handle (21); the positioning groove (22) is connected to the electric bicycle; and a waterproof line clamped in the front cover waterproof groove (24) seals one end of the aluminum barrel (1).

3. The electric bicycle battery box according to claim 1, characterized in that: The rear cover (3) comprises a discharge seat (31), a rear cover waterproof groove (32) is provided on the rear cover (3) at a side close to the aluminum barrel (1), an annular discharge seat waterproof groove (33) is provided on the discharge seat (31), a waterproof line clamped in the rear cover waterproof groove (32) seals the other end of the aluminum barrel (1), and a waterproof line clamped in the discharge seat waterproof groove (33) seals the discharge seat (31).

4. The electric bicycle battery box according to claim 1, characterized in that: The aluminum barrel (1) has symmetrically provided two sides with inwardly recessed sliding grooves in the shape of a semi-I character, and the top of the aluminum barrel (1) also has a inwardly recessed sliding groove in the shape of a semi-I character, and the bottom of the aluminum barrel (1) has a guide groove.

5. The electric bicycle battery box according to claim 2, characterized in that: The back cover (3) adopts a fool-proof design. Positioning holes are provided between the plurality of bosses (4) on the back cover (3). Both sides of the back cover (3) are inclined surfaces inclined inwardly, with the inclined surface on the side close to the handle (21) being larger and the inclined surface on the side away from the handle (21) being smaller.

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