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 a barrel body, an upper cover is arranged on one side of the barrel body, a lower cover is arranged at the position, corresponding to the upper cover, of the other side of the barrel body, aluminum plates are symmetrically arranged at the two ends in the barrel body, and two sets of threaded holes are symmetrically formed in the two sides of each aluminum plate; a group of through holes are formed in the positions, corresponding to the threaded holes in the outer side of the aluminum plate, of the two sides of the upper cover, dustproof plugs are arranged at the tops of the through holes, one side of the upper cover penetrates through the lower cover and the barrel body to be connected with the barrel body and the lower cover, and the lower cover is connected with the barrel body to reduce vibration of the barrel body. Discharge interfaces are arranged at the top and the bottom of the battery box for multiple choices of users, and aluminum plates are fixed on the upper side and the lower side of the battery box, so that a good conductive effect is provided, meanwhile, heat can be directionally dissipated in time, and the battery is prevented from being fired and exploded due to impact of the battery box.

Description

Technical Field

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

[0002] With the upgrading of transportation tools, electric bicycles have gradually become one of the main transportation tools for urban travel. At present, existing electric bicycles are equipped with battery boxes that are easy to replace. During the replacement of the battery box, due to the different installation positions of the batteries in different electric bicycles, the replacement process often causes bumps. In addition, during use, the air cannot circulate for long-term use of the battery heat dissipation, which easily generates water vapor and causes equipment short circuit, affecting user use. Summary of the invention

[0003] The utility model aims to provide an electric bicycle battery box, which is used to solve the problems that during the replacement of the battery box, due to the different installation positions of different electric bicycle batteries, the replacement process often causes bumps, and during use, the air for cooling the battery cannot circulate for a long time, which easily generates water vapor and causes a short circuit in the equipment, affecting the user's use.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] Provided is an electric bicycle battery box, comprising a barrel body, characterized in that an upper cover is provided on one side of the barrel body, a lower cover is provided on the other side of the barrel body at a position corresponding to the upper cover, aluminum plates are symmetrically provided at both ends of the barrel body, two groups of threaded holes are symmetrically opened on both sides of the aluminum plate, a group of through holes are opened on both sides of the upper cover at positions corresponding to a group of threaded holes on the outer side of the aluminum plate, dust plugs are provided on the tops of the through holes, one side of the upper cover passes through the lower cover and the barrel body to connect the barrel body and the lower cover, and the lower cover is connected to the barrel body to reduce vibration of the barrel body.

[0006] As a preferred solution for an electric bicycle battery box, a charging seat and a first discharge seat are respectively provided on one side of the upper cover, the first discharge seat is located at the rear side of the charging seat, the charging seat can be adapted to the new national standard, a second discharge seat is provided at the bottom of the barrel body, the second discharge seat is snap-connected with the lower cover, a plurality of positioning holes are provided around the second discharge seat at the bottom of the barrel body, and the charging seat is used in conjunction with the first discharge seat and the second discharge seat to enable the battery box to store and discharge electricity.

[0007] As a preferred solution for an electric bicycle battery box, the interior of the upper cover is hollow, and reinforcing ribs are provided inside the upper cover. A cover plate is provided on the reinforcing ribs, and a product logo can be printed on the cover plate. A convex strip is provided on one side of the upper cover, and the convex strip is sequentially engaged with the barrel body and the lower cover to fix the barrel body and the lower cover.

[0008] As a preferred solution for an electric bicycle battery box, the lower cover is provided with a plurality of bosses, and the lower cover is provided with a plurality of drainage holes at intervals along the length direction. The plurality of bosses correspond to the plurality of positioning holes and cooperate with each other one by one, and the corresponding position of the lower cover and the second discharge seat is inwardly concave.

[0009] As a preferred solution for an electric bicycle battery box, the barrel body is made of plastic.

[0010] Beneficial effects of the utility model:

[0011] The lower cover is connected to the battery box barrel, which not only reduces the battery vibration caused by daily use and prevents poor contact of the discharge interface, but also can promptly discharge the heat generated during battery use through the drainage holes opened on the lower cover, avoiding the generation of water vapor that causes poor contact of the discharge interface and affects the driving experience.

[0012] The top and bottom of the battery box are equipped with discharge ports, which can provide users with multiple options and are suitable for different models. Aluminum plates are fixed on both the upper and lower sides of the battery box, which not only provide good conductivity, but also can dissipate heat in a timely and targeted manner, and prevent the battery box from catching fire and exploding due to impact.

[0013] The battery box cover is hollow in design and connected to the cover through reinforcing ribs, which reduces weight and facilitates replacement of the cover. The product logo can be printed on the cover. 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 1 It is a schematic diagram of the three-dimensional structure described in the embodiment of the utility model.

[0016] Figure 2 yes Figure 1 Schematic diagram of the overall explosion.

[0017] Figure 3 It is a partial structural schematic diagram of the upper cover and the drainage hole described in another embodiment of the utility model.

[0018] Figure 4 It is a partial structural schematic diagram of the lower cover and the aluminum plate described in another embodiment of the utility model.

[0019] In the figure:

[0020] 1. Barrel body; 2. Upper cover; 21. Charging seat; 22. First discharge seat; 23. Second discharge seat; 3. Cover plate; 4. Lower cover; 41. Boss; 42. Drain hole; 5. Aluminum plate. 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 1-4As shown, the utility model provides an electric bicycle battery box, characterized in that the electric bicycle battery box comprises: a barrel body 1, a group of through holes are symmetrically opened on both sides of the top of the barrel body 1, and there are four through holes in total and they are respectively located at the four corners of the barrel body 1, an upper cover 2 is fixed in each of the through holes by a screw, a dust plug is arranged on the outer side of the screw in the through hole, a cover plate 3 is clamped on the top of the upper cover 2, a lower cover 4 is threadedly connected to the bottom of the barrel body 1 by four screws, an aluminum plate 5 is fixed to each of the two ends of the barrel body 1 by four screws, two groups of threaded holes are symmetrically opened on both sides of the upper and lower aluminum plates 5, and the threaded holes are divided into two groups, inner and outer, with a total of eight, and the inner threaded holes of the aluminum plate 5 are connected to the inner threaded holes of the aluminum plate 5. Corresponding to the position of the through holes of the upper cover 2, four through holes are symmetrically opened on the bottom of the barrel body 1 and correspond to the positions of the threaded holes on the inner side of the aluminum plate 5; specifically, a convex strip is arranged on the right side of the upper cover 2, and the barrel body 1 and the lower cover 4 are sequentially clamped on the convex strip along its length direction, and the convex strip facilitates the positioning and installation of the barrel body 1 and the lower cover 4, and the batteries installed in the barrel body 1 are conducted and heat dissipated through the aluminum plate 5, and the aluminum plate 5 is fixed to the barrel body 1 through the threaded holes on the outer side of the aluminum plate 5, and the upper cover 2 is fixed through the threaded holes on the inner side of the aluminum plate 5 and the through holes of the upper cover 2, and the lower cover 4 is connected to the barrel body 1 to reduce the vibration of the barrel body 1 and thereby avoid poor contact of the battery box.

[0026] Furthermore, in the present embodiment, a charging seat 21 and a first discharge seat 22 are respectively installed on the left side of the upper cover 2, and the charging seat 21 can be adapted to the new national standard. The first discharge seat 22 is located at the rear side of the charging seat 21, and a switch is arranged at the front end of the right side of the upper cover 2. A second discharge seat 23 is installed on the middle aluminum plate 5 at the bottom of the barrel body 1, and four positioning holes are symmetrically opened around the second discharge seat 23 at the bottom of the barrel body 1, and the positioning holes on both sides of the second discharge seat 23 are symmetrical to each other; specifically, the switch arranged on the right side of the upper cover 2 prevents the battery box from having an excessive current during use, and automatically trips to protect the battery, and the second discharge seat 23 is installed in cooperation with the lower cover 4 to avoid direct collision between the barrel body 1 and the electric bicycle when replacing the battery box, and bumps during the driving of the electric bicycle cause the barrel body 1 to collide with the electric bicycle continuously, resulting in poor contact of the discharge interface of the battery box, so as to protect the battery in the barrel body 1, and at the same time, the coordinated use of the first discharge seat 22 and the second discharge seat 23 provides users with multiple choices and is adapted to different models.

[0027] Furthermore, in the present embodiment, four bosses 41 are provided at positions corresponding to the positioning holes at the bottom of the barrel body 1 on the top of the lower cover 4, the bosses 41 on the front and rear sides are symmetrical with each other, and the bosses 41 on the left and right sides are symmetrical with each other, and the lower cover 4 is provided with six drainage holes 42 at intervals along its length direction; specifically, the four bosses 41 and the four positioning holes are cooperated and fixed with each other, so that the barrel body 1 and the lower cover 4 are locked, and the middle of the bottom of the lower cover 4 is concave inwardly and cooperates with the second discharge seat 23 to avoid the upward volatilization of heat during use, and at the same time, the heat emitted from the battery box during use is discharged from the drainage hole 42 to the outside through the six drainage holes 42, so as to avoid the poor contact between the second discharge seat 23 and the electric bicycle and affect the driving experience.

[0028] Furthermore, in the present embodiment, the interior of the upper cover 2 is hollow, and the interior of the upper cover 2 is reinforced by connecting reinforcing ribs. A cover plate 3 is snapped onto the top of the upper cover 2, and a product logo can be printed on the top of the cover plate 3. Specifically, a corresponding product logo is printed on the cover plate 3 according to customer usage requirements, and the cover plate 3 is snapped onto the upper cover 2 when in use.

[0029] Working principle: when it is needed, the barrel body 1 and the lower cover 4 are snapped onto the convex strip on the right side of the upper cover 2 in sequence, the corresponding product logo is printed on the cover plate 3 according to the use requirements, and it is snapped onto the top of the upper cover 2, and after the battery in the barrel body 1 is fully charged through the charging seat 21, the lower cover 4 is placed downward into the electric bicycle, and the first discharge seat 22 or the second discharge seat 23 is selected according to different electric bicycles. The direct contact between the lower cover 4 and the electric bicycle reduces the contact of the barrel body 1 with the electric bicycle, so as to achieve the effect of reducing the vibration of the battery box, and at the same time, the heat generated during use is discharged in time through the six drainage holes 42 opened on the aluminum plate 5 and the lower cover 4, so as to avoid the water vapor generated by the non-flowing hot air and the contact with the surface of the barrel body 1 affecting the connection between the second discharge seat 23 and the electric bicycle, so as to prevent the poor contact from affecting the driving experience.

[0030] 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, comprising a barrel (1), characterized in that: An upper cover (2) is arranged on one side of the barrel body (1), and a lower cover (4) is arranged on the other side of the barrel body (1) at a position corresponding to the upper cover (2). Aluminum plates (5) are symmetrically arranged at both ends of the barrel body (1), and two groups of threaded holes are symmetrically opened on both sides of the aluminum plate (5). A group of through holes are opened on both sides of the upper cover (2) at positions corresponding to a group of threaded holes on the outer side of the aluminum plate (5), and dust plugs are arranged on the tops of the through holes. One side of the upper cover (2) penetrates the lower cover (4) and the barrel body (1) to connect the barrel body (1) and the lower cover (4), and the lower cover (4) is connected to the barrel body (1) to reduce vibration of the barrel body (1).

2. The electric bicycle battery box according to claim 1, characterized in that: A charging seat (21) and a first discharge seat (22) are respectively arranged on one side of the upper cover (2), the first discharge seat (22) is located at the rear side of the charging seat (21), and the charging seat (21) can be adapted to the new national standard. A second discharge seat (23) is arranged at the bottom of the barrel body (1), and the second discharge seat (23) is snap-connected with the lower cover (4). A plurality of positioning holes are arranged around the second discharge seat (23) at the bottom of the barrel body (1), and the charging seat (21) cooperates with the first discharge seat (22) and the second discharge seat (23) to enable the battery box to store and discharge electricity.

3. The electric bicycle battery box according to claim 1, characterized in that: The interior of the upper cover (2) is hollow, and a reinforcing rib is provided inside the upper cover (2). A cover plate (3) is provided on the reinforcing rib, and a product logo can be printed on the cover plate (3). A convex strip is provided on one side of the upper cover (2), and the convex strip is sequentially engaged with the barrel body (1) and the lower cover (4) to fix the barrel body (1) and the lower cover (4).

4. The electric bicycle battery box according to claim 2, characterized in that: The lower cover (4) is provided with a plurality of bosses (41), and the lower cover (4) is provided with a plurality of drainage holes (42) at intervals along the length direction. The plurality of bosses (41) and the plurality of positioning holes are matched with each other in a one-to-one correspondence, and the corresponding positions of the lower cover (4) and the second discharge seat (23) are inwardly concave.

5. The electric bicycle battery box according to claim 1, characterized in that: The barrel body (1) is made of plastic.

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